summaryrefslogtreecommitdiff
path: root/Build/source/texk
diff options
context:
space:
mode:
authorTaco Hoekwater <taco@elvenkind.com>2008-04-18 12:27:06 +0000
committerTaco Hoekwater <taco@elvenkind.com>2008-04-18 12:27:06 +0000
commita94278f9e2c781a67d137e0df26c35592f60cb0b (patch)
treec867f5400348fc8b5a559ee5d744e33bd9622d70 /Build/source/texk
parent5e63f0508a830d7b182b384935a1377f9031e619 (diff)
luatex 0.25.3
git-svn-id: svn://tug.org/texlive/trunk@7494 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk')
-rw-r--r--Build/source/texk/web2c/luatexdir/font/vfovf.c4
-rw-r--r--Build/source/texk/web2c/luatexdir/font/vfpacket.c10
-rw-r--r--Build/source/texk/web2c/luatexdir/font/writefont.c3
-rw-r--r--Build/source/texk/web2c/luatexdir/image/epdf.h7
-rw-r--r--Build/source/texk/web2c/luatexdir/image/image.h24
-rw-r--r--Build/source/texk/web2c/luatexdir/image/pdftoepdf.cc382
-rw-r--r--Build/source/texk/web2c/luatexdir/image/writeimg.c167
-rw-r--r--Build/source/texk/web2c/luatexdir/image/writejbig2.c3
-rw-r--r--Build/source/texk/web2c/luatexdir/lang/hyphen.c6
-rw-r--r--Build/source/texk/web2c/luatexdir/lang/texlang.c21
-rw-r--r--Build/source/texk/web2c/luatexdir/lua/lfontlib.c13
-rw-r--r--Build/source/texk/web2c/luatexdir/lua/llanglib.c3
-rw-r--r--Build/source/texk/web2c/luatexdir/lua/llualib.c12
-rw-r--r--Build/source/texk/web2c/luatexdir/lua/lmplib.c60
-rw-r--r--Build/source/texk/web2c/luatexdir/lua/lpdflib.c121
-rw-r--r--Build/source/texk/web2c/luatexdir/lua/ltexlib.c48
-rw-r--r--Build/source/texk/web2c/luatexdir/lua/luatoken.c10
-rw-r--r--Build/source/texk/web2c/luatexdir/lua/mp.w79
-rw-r--r--Build/source/texk/web2c/luatexdir/lua/psout.w23
-rw-r--r--Build/source/texk/web2c/luatexdir/luatex.web83
-rw-r--r--Build/source/texk/web2c/luatexdir/tex/linebreak.c3220
-rw-r--r--Build/source/texk/web2c/luatexdir/tex/postlinebreak.c924
-rw-r--r--Build/source/texk/web2c/luatexdir/tex/texnodes.c3066
-rw-r--r--Build/source/texk/web2c/luatexdir/tex/texpdf.c246
-rw-r--r--Build/source/texk/web2c/luatexdir/tex/textoken.c1190
25 files changed, 5039 insertions, 4686 deletions
diff --git a/Build/source/texk/web2c/luatexdir/font/vfovf.c b/Build/source/texk/web2c/luatexdir/font/vfovf.c
index 0f23cb07b94..61a0b76aaa4 100644
--- a/Build/source/texk/web2c/luatexdir/font/vfovf.c
+++ b/Build/source/texk/web2c/luatexdir/font/vfovf.c
@@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License
along with LuaTeX; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-$Id: vfovf.c 1022 2008-02-14 11:49:30Z taco $
+$Id: vfovf.c 1169 2008-04-15 14:57:56Z oneiros $
*/
#include "ptexlib.h"
@@ -167,7 +167,7 @@ pdf_check_vf_cur_val (void) {
internal_font_number f;
f = cur_val;
if (font_type(f) == virtual_font_type)
- pdf_error("font", "command cannot be used with virtual font");
+ pdf_error(maketexstring("font"), maketexstring("command cannot be used with virtual font"));
}
static void
diff --git a/Build/source/texk/web2c/luatexdir/font/vfpacket.c b/Build/source/texk/web2c/luatexdir/font/vfpacket.c
index 4d8445f2227..3ce10dd10ce 100644
--- a/Build/source/texk/web2c/luatexdir/font/vfpacket.c
+++ b/Build/source/texk/web2c/luatexdir/font/vfpacket.c
@@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License
along with pdfTeX; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-$Id: vfpacket.c 1013 2008-02-14 00:09:02Z oneiros $
+$Id: vfpacket.c 1169 2008-04-15 14:57:56Z oneiros $
*/
#include "ptexlib.h"
@@ -102,7 +102,7 @@ vf_packet_bytes (charinfo *co) {
case packet_nop_code:
break;
default:
- pdf_error("vf", "invalid DVI command");
+ pdf_error(maketexstring("vf"), maketexstring("invalid DVI command"));
}
};
return (cur_packet_byte +1);
@@ -211,7 +211,7 @@ do_vf_packet (internal_font_number vf_f, integer c) {
case packet_nop_code:
break;
default:
- pdf_error("vf", "invalid DVI command");
+ pdf_error(maketexstring("vf"), maketexstring("invalid DVI command"));
}
};
cur_h = save_cur_h;
@@ -268,7 +268,7 @@ integer *packet_local_fonts(internal_font_number f, integer *num) {
(void)do_packet_byte();
break;
default:
- pdf_error("vf", "invalid DVI command");
+ pdf_error(maketexstring("vf"), maketexstring("invalid DVI command"));
}
}
}
@@ -334,7 +334,7 @@ replace_packet_fonts(internal_font_number f, integer *old_fontid, integer *new_f
(void)do_packet_byte();
break;
default:
- pdf_error("vf", "invalid DVI command");
+ pdf_error(maketexstring("vf"), maketexstring("invalid DVI command"));
}
}
}
diff --git a/Build/source/texk/web2c/luatexdir/font/writefont.c b/Build/source/texk/web2c/luatexdir/font/writefont.c
index 05257746889..679929e32e4 100644
--- a/Build/source/texk/web2c/luatexdir/font/writefont.c
+++ b/Build/source/texk/web2c/luatexdir/font/writefont.c
@@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License
along with pdfTeX; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-$Id: writefont.c 1112 2008-03-20 14:46:32Z taco $
+$Id: writefont.c 1139 2008-04-09 14:44:20Z taco $
*/
#include "ptexlib.h"
@@ -596,6 +596,7 @@ void create_fontdictionary(fm_entry * fm, integer font_objnum,
{
fo_entry *fo = new_fo_entry();
get_char_range(fo, f); /* set fo->first_char and fo->last_char from f */
+ if (fo->last_char>255) fo->last_char=255; /* added 9-4-2008, mantis #25 */
assert(fo->last_char >= fo->first_char);
fo->fm = fm;
fo->fo_objnum = font_objnum;
diff --git a/Build/source/texk/web2c/luatexdir/image/epdf.h b/Build/source/texk/web2c/luatexdir/image/epdf.h
index 2359d53d3db..93a9e1c45eb 100644
--- a/Build/source/texk/web2c/luatexdir/image/epdf.h
+++ b/Build/source/texk/web2c/luatexdir/image/epdf.h
@@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License
along with pdfTeX; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-$Id: epdf.h 1031 2008-02-14 23:03:20Z hhenkel $
+$Id: epdf.h 1125 2008-03-25 19:36:52Z hhenkel $
*/
extern "C" {
@@ -45,6 +45,7 @@ extern "C" {
#include <web2c/luatexdir/ptexmac.h>
#include "openbsd-compat.h"
#include "image.h"
+#include "../avlstuff.h"
/* #-define pdfbufsize pdfbufmax */
@@ -78,7 +79,6 @@ extern "C" {
extern void read_pdf_info(image_dict *, integer, integer);
extern void embed_whole_font(struct fd_entry *);
extern void epdf_check_mem(void);
- extern void epdf_delete(image_dict *);
extern void epdf_free(void);
__attribute__ ((format(printf, 1, 2)))
extern void pdf_printf(const char *fmt, ...);
@@ -109,9 +109,6 @@ extern "C" {
/* write_enc.c */
extern void epdf_write_enc(char **, integer);
-/* write_enc.c */
- extern pdf_img_struct *new_pdf_img_struct(void);
-
/* utils.c */
extern char *convertStringToPDFString(char *in, int len);
extern char *stripzeros(char *a);
diff --git a/Build/source/texk/web2c/luatexdir/image/image.h b/Build/source/texk/web2c/luatexdir/image/image.h
index cf7d4f0dd88..e239e617f37 100644
--- a/Build/source/texk/web2c/luatexdir/image/image.h
+++ b/Build/source/texk/web2c/luatexdir/image/image.h
@@ -16,7 +16,7 @@ You should have received a copy of the GNU General Public License
along with pdfTeX; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-$Id: image.h 1100 2008-03-09 13:40:48Z hhenkel $
+$Id: image.h 1125 2008-03-25 19:36:52Z hhenkel $
*/
#ifndef IMAGE_H
@@ -43,14 +43,6 @@ extern integer zround(double); /* from zround.c */
/**********************************************************************/
typedef struct {
- float width;
- float height;
- float orig_x;
- float orig_y;
- void *doc;
-} pdf_img_struct;
-
-typedef struct {
png_structp png_ptr;
png_infop info_ptr;
} png_img_struct;
@@ -89,6 +81,8 @@ typedef struct {
integer index; /* /Im1, /Im2, ... */
integer x_size; /* dimensions in pixel counts as in JPG/PNG/JBIG2 file */
integer y_size;
+ integer x_orig; /* origin in sp for PDF files */
+ integer y_orig;
integer x_res; /* pixel resolution as in JPG/PNG/JBIG2 file */
integer y_res;
integer colorspace; /* number of /ColorSpace object */
@@ -105,7 +99,6 @@ typedef struct {
pdfboxspec_e page_box_spec; /* PDF page box spec.: media/crop/bleed/trim/art */
dict_state state;
union {
- pdf_img_struct *pdf;
png_img_struct *png;
jpg_img_struct *jpg;
jb2_img_struct *jb2;
@@ -116,6 +109,8 @@ typedef struct {
# define img_index(N) ((N)->index)
# define img_xsize(N) ((N)->x_size)
# define img_ysize(N) ((N)->y_size)
+# define img_xorig(N) ((N)->x_orig)
+# define img_yorig(N) ((N)->y_orig)
# define img_xres(N) ((N)->x_res)
# define img_yres(N) ((N)->y_res)
# define img_colorspace(N) ((N)->colorspace)
@@ -132,13 +127,6 @@ typedef struct {
# define img_pagebox(N) ((N)->page_box_spec)
# define img_state(N) ((N)->state)
-# define img_pdf_ptr(N) ((N)->img_struct.pdf)
-# define img_pdf_width(N) ((N)->img_struct.pdf->width)
-# define img_pdf_height(N) ((N)->img_struct.pdf->height)
-# define img_pdf_orig_x(N) ((N)->img_struct.pdf->orig_x)
-# define img_pdf_orig_y(N) ((N)->img_struct.pdf->orig_y)
-# define img_pdf_doc(N) ((N)->img_struct.pdf->doc)
-
# define img_png_ptr(N) ((N)->img_struct.png)
# define img_png_png_ptr(N) ((N)->img_struct.png->png_ptr)
# define img_png_info_ptr(N) ((N)->img_struct.png->info_ptr)
@@ -218,6 +206,6 @@ void write_epdf(image_dict *);
/* pdftoepdf.cc */
-void epdf_delete(image_dict * idict);
+void unrefPdfDocument(char *);
#endif
diff --git a/Build/source/texk/web2c/luatexdir/image/pdftoepdf.cc b/Build/source/texk/web2c/luatexdir/image/pdftoepdf.cc
index c5270eb58bd..21ded8e0b0f 100644
--- a/Build/source/texk/web2c/luatexdir/image/pdftoepdf.cc
+++ b/Build/source/texk/web2c/luatexdir/image/pdftoepdf.cc
@@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License
along with pdfTeX; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-$Id: pdftoepdf.cc 1058 2008-02-19 21:13:58Z hhenkel $
+$Id: pdftoepdf.cc 1129 2008-03-27 19:43:44Z hhenkel $
*/
#include <stdlib.h>
@@ -79,7 +79,8 @@ $Id: pdftoepdf.cc 1058 2008-02-19 21:13:58Z hhenkel $
class PdfObject {
public:
PdfObject() { // nothing
- } ~PdfObject() {
+ }
+ ~PdfObject() {
iObject.free();
}
Object *operator->() {
@@ -101,20 +102,16 @@ class PdfObject {
// appended into a linked list. Duplicates are checked and removed from the
// list of indirect objects during appending.
-enum InObjType {
- objFont,
- objFontDesc,
- objOther
-};
+enum InObjType { objFont, objFontDesc, objOther };
struct InObj {
Ref ref; // ref in original PDF
InObjType type; // object type
- InObj *next; // next entry in list of indirect objects
integer num; // new object number in output PDF
fd_entry *fd; // pointer to /FontDescriptor object structure
integer enc_objnum; // Encoding for objFont
int written; // has it been written to output PDF?
+ InObj *next; // next entry in list of indirect objects
};
struct UsedEncoding {
@@ -123,89 +120,104 @@ struct UsedEncoding {
UsedEncoding *next;
};
-static InObj *inObjList;
+static XRef *xref = NULL;
+static InObj *inObjList = NULL;
static UsedEncoding *encodingList;
static GBool isInit = gFalse;
-// --------------------------------------------------------------------
-// Maintain list of open embedded PDF files
-// --------------------------------------------------------------------
+//**********************************************************************
+// Maintain AVL tree of open embedded PDF files
+
+static avl_table *PdfDocumentTree = NULL;
struct PdfDocument {
- char *file_name;
+ char *file_path; // full file name including path
PDFDoc *doc;
XRef *xref;
InObj *inObjList;
- int occurences; // number of references to the document; the doc can be
- // deleted when this is negative
- PdfDocument *next;
+ int occurences; // number of references to the PdfDocument; it can be deleted when occurences == 0
};
-static PdfDocument *pdfDocuments = 0;
+/* AVL sort PdfDocument into PdfDocumentTree by file_path */
-static XRef *xref = 0;
+static int CompPdfDocument(const void *pa, const void *pb, void *p)
+{
+ return strcmp(((const PdfDocument *) pa)->file_path,
+ ((const PdfDocument *) pb)->file_path);
+}
-// Returns pointer to PdfDocument record for PDF file.
-// Creates a new record if it doesn't exist yet.
-// xref is made current for the document.
+// Returns pointer to PdfDocument structure for PDF file.
-static PdfDocument *find_add_document(char *file_name)
+static PdfDocument *findPdfDocument(char *file_path)
{
- PdfDocument *p = pdfDocuments;
- while (p && strcmp(p->file_name, file_name) != 0)
- p = p->next;
- if (p) {
- xref = p->xref;
- (p->occurences)++;
+ PdfDocument *pdf_doc, tmp;
+ assert(file_path != NULL);
+ if (PdfDocumentTree == NULL)
+ PdfDocumentTree = avl_create(CompPdfDocument, NULL, &avl_xallocator);
+ assert(PdfDocumentTree != NULL);
+ tmp.file_path = file_path;
+ pdf_doc = (PdfDocument *) avl_find(PdfDocumentTree, &tmp);
+ return pdf_doc;
+}
+
+// Returns pointer to PdfDocument structure for PDF file.
+// Creates a new structure if it doesn't exist yet.
+
+static PdfDocument *refPdfDocument(char *file_path)
+{
+ PdfDocument *pdf_doc = findPdfDocument(file_path);
+ if (pdf_doc == NULL) {
+ pdf_doc = new PdfDocument;
+ pdf_doc->file_path = xstrdup(file_path);
+ void **aa = avl_probe(PdfDocumentTree, pdf_doc);
+ assert(aa != NULL);
+ GString *docName = new GString(pdf_doc->file_path);
+ pdf_doc->doc = new PDFDoc(docName); // takes ownership of docName
+ if (!pdf_doc->doc->isOk() || !pdf_doc->doc->okToPrint())
+ pdftex_fail("xpdf: reading PDF image failed");
+ pdf_doc->xref = NULL;
+ pdf_doc->inObjList = NULL;
+ pdf_doc->occurences = 0; // 0 = unreferenced
#ifdef DEBUG
- fprintf(stderr, "\npdfTeX Debug: Incrementing %s (%d)\n", p->file_name,
- p->occurences);
+ fprintf(stderr, "\nluatex Debug: Creating %s (%d)\n",
+ pdf_doc->file_path, pdf_doc->occurences);
#endif
- return p;
}
- p = new PdfDocument;
- p->file_name = xstrdup(file_name);
- p->xref = xref = 0;
- p->occurences = 0;
+ pdf_doc->occurences++;
#ifdef DEBUG
- fprintf(stderr, "\npdfTeX Debug: Creating %s (%d)\n", p->file_name,
- p->occurences);
+ fprintf(stderr, "\nluatex Debug: Incrementing %s (%d)\n",
+ pdf_doc->file_path, pdf_doc->occurences);
#endif
- GString *docName = new GString(p->file_name);
- p->doc = new PDFDoc(docName); // takes ownership of docName
- if (!p->doc->isOk() || !p->doc->okToPrint()) {
- pdftex_fail("xpdf: reading PDF image failed");
- }
- p->inObjList = 0;
- p->next = pdfDocuments;
- pdfDocuments = p;
- return p;
+ return pdf_doc;
}
-// Deallocate a PdfDocument with all its resources
+static void deletePdfDocument(PdfDocument *);
-static void delete_document(PdfDocument * pdf_doc)
+// Called when an image has been written and its resources in image_tab are
+// freed and it's not referenced anymore.
+
+void unrefPdfDocument(char *file_path)
{
- PdfDocument **p = &pdfDocuments;
- while (*p && *p != pdf_doc)
- p = &((*p)->next);
- // should not happen:
- if (!*p)
- return;
- // unlink from list
- *p = pdf_doc->next;
- // free pdf_doc's resources
- InObj *r, *n;
- for (r = pdf_doc->inObjList; r != 0; r = n) {
- n = r->next;
- delete r;
+ PdfDocument *pdf_doc = findPdfDocument(file_path);
+ assert(pdf_doc != NULL);
+ assert(pdf_doc->occurences > 0); // aim for point landing
+ pdf_doc->occurences--;
+#ifdef DEBUG
+ fprintf(stderr, "\nluatex Debug: Decrementing %s (%d)\n",
+ pdf_doc->file_path, pdf_doc->occurences);
+#endif
+ if (pdf_doc->occurences == 0) {
+#ifdef DEBUG
+ fprintf(stderr, "\nluatex Debug: Deleting %s\n", pdf_doc->file_path);
+#endif
+ void *a = avl_delete(PdfDocumentTree, pdf_doc);
+ assert((PdfDocument *) a == pdf_doc);
+ deletePdfDocument(pdf_doc);
}
- xref = pdf_doc->xref;
- delete pdf_doc->doc;
- xfree(pdf_doc->file_name);
- delete pdf_doc;
}
+//**********************************************************************
+
// Replacement for
// Object *initDict(Dict *dict1){ initObj(objDict); dict = dict1; return this; }
@@ -218,8 +230,6 @@ static void initDictFromDict(PdfObject & obj, Dict * dict)
}
}
-// --------------------------------------------------------------------
-
static int addEncoding(GfxFont * gfont)
{
UsedEncoding *n;
@@ -241,7 +251,7 @@ static int addEncoding(GfxFont * gfont)
addInObj(objFontDesc, ref, fd, 0)
#define addOther(ref) \
- addInObj(objOther, ref, 0, 0)
+ addInObj(objOther, ref, NULL, 0)
static int addInObj(InObjType type, Ref ref, fd_entry * fd, integer e)
{
@@ -250,14 +260,14 @@ static int addInObj(InObjType type, Ref ref, fd_entry * fd, integer e)
pdftex_fail("PDF inclusion: invalid reference");
n->ref = ref;
n->type = type;
- n->next = 0;
+ n->next = NULL;
n->fd = fd;
n->enc_objnum = e;
n->written = 0;
- if (inObjList == 0)
+ if (inObjList == NULL)
inObjList = n;
else {
- for (p = inObjList; p != 0; p = p->next) {
+ for (p = inObjList; p != NULL; p = p->next) {
if (p->ref.num == ref.num && p->ref.gen == ref.gen) {
delete n;
return p->num;
@@ -266,7 +276,7 @@ static int addInObj(InObjType type, Ref ref, fd_entry * fd, integer e)
}
// it is important to add new objects at the end of the list,
// because new objects are being added while the list is being
- // written out.
+ // written out by writeRefs().
q->next = n;
}
if (type == objFontDesc)
@@ -276,8 +286,6 @@ static int addInObj(InObjType type, Ref ref, fd_entry * fd, integer e)
return n->num;
}
-static void copyObject(Object *);
-
static void copyName(char *s)
{
pdf_puts("/");
@@ -290,6 +298,8 @@ static void copyName(char *s)
}
}
+static void copyObject(Object *);
+
static void copyDictEntry(Object * obj, int i)
{
PdfObject obj1;
@@ -502,7 +512,7 @@ static char *convertNumToPDF(double n)
fval /= 10;
}
} else
- buf[bindex++] = 0;
+ buf[bindex++] = '\0';
}
return (char *) buf;
}
@@ -591,7 +601,7 @@ static void copyObject(Object * obj)
static void writeRefs()
{
InObj *r;
- for (r = inObjList; r != 0; r = r->next) {
+ for (r = inObjList; r != NULL; r = r->next) {
if (!r->written) {
Object obj1;
r->written = 1;
@@ -621,20 +631,20 @@ static void writeEncodings()
UsedEncoding *r, *n;
char *glyphNames[256], *s;
int i;
- for (r = encodingList; r != 0; r = r->next) {
+ for (r = encodingList; r != NULL; r = r->next) {
for (i = 0; i < 256; i++) {
if (r->font->isCIDFont()) {
pdftex_warn
("PDF inclusion: CID font included, encoding maybe wrong");
}
- if ((s = ((Gfx8BitFont *) r->font)->getCharName(i)) != 0)
+ if ((s = ((Gfx8BitFont *) r->font)->getCharName(i)) != NULL)
glyphNames[i] = s;
else
glyphNames[i] = notdef;
}
epdf_write_enc(glyphNames, r->enc_objnum);
}
- for (r = encodingList; r != 0; r = n) {
+ for (r = encodingList; r != NULL; r = n) {
n = r->next;
delete r->font;
delete r;
@@ -661,7 +671,6 @@ static PDFRectangle *get_pagebox(Page * page, integer pagebox_spec)
return page->getMediaBox(); // to make the compiler happy
}
-
// Reads various information about the PDF and sets it up for later inclusion.
// This will fail if the PDF version of the PDF is higher than
// minor_pdf_version_wanted or page_name is given and can not be found.
@@ -676,28 +685,25 @@ read_pdf_info(image_dict * idict, integer minor_pdf_version_wanted,
Page *page;
int rotate;
PDFRectangle *pagebox;
- float pdf_version_found, pdf_version_wanted;
+ float pdf_version_found, pdf_version_wanted, pdf_width, pdf_height,
+ pdf_xorig, pdf_yorig;
assert(idict != NULL);
assert(img_type(idict) == IMAGE_TYPE_PDF);
- assert(img_pdf_ptr(idict) == NULL);
- img_pdf_ptr(idict) = new_pdf_img_struct();
// initialize
- if (!isInit) {
+ if (isInit == gFalse) {
globalParams = new GlobalParams();
globalParams->setErrQuiet(gFalse);
isInit = gTrue;
}
// open PDF file
- pdf_doc = find_add_document(img_filepath(idict));
- img_pdf_doc(idict) = pdf_doc;
-
+ pdf_doc = refPdfDocument(img_filepath(idict));
// check PDF version
// this works only for PDF 1.x -- but since any versions of PDF newer
// than 1.x will not be backwards compatible to PDF 1.x, pdfTeX will
// then have to changed drastically anyway.
pdf_version_found = pdf_doc->doc->getPDFVersion();
pdf_version_wanted = 1 + (minor_pdf_version_wanted * 0.1);
- if (pdf_version_found > pdf_version_wanted) {
+ if (pdf_version_found > pdf_version_wanted + 0.01) {
char msg[] =
"PDF inclusion: found PDF version <%.1f>, but at most version <%.1f> allowed";
if (pdf_inclusion_errorlevel > 0) {
@@ -711,7 +717,7 @@ read_pdf_info(image_dict * idict, integer minor_pdf_version_wanted,
// get page by name
GString name(img_pagename(idict));
LinkDest *link = pdf_doc->doc->findDest(&name);
- if (link == 0 || !link->isOk())
+ if (link == NULL || !link->isOk())
pdftex_fail("PDF inclusion: invalid destination <%s>",
img_pagename(idict));
Ref ref = link->getPageRef();
@@ -734,53 +740,50 @@ read_pdf_info(image_dict * idict, integer minor_pdf_version_wanted,
// get the pagebox (media, crop...) to use.
pagebox = get_pagebox(page, img_pagebox(idict));
if (pagebox->x2 > pagebox->x1) {
- img_pdf_orig_x(idict) = pagebox->x1;
- img_pdf_width(idict) = pagebox->x2 - pagebox->x1;
+ pdf_xorig = pagebox->x1;
+ pdf_width = pagebox->x2 - pagebox->x1;
} else {
- img_pdf_orig_x(idict) = pagebox->x2;
- img_pdf_width(idict) = pagebox->x1 - pagebox->x2;
+ pdf_xorig = pagebox->x2;
+ pdf_width = pagebox->x1 - pagebox->x2;
}
if (pagebox->y2 > pagebox->y1) {
- img_pdf_orig_y(idict) = pagebox->y1;
- img_pdf_height(idict) = pagebox->y2 - pagebox->y1;
+ pdf_yorig = pagebox->y1;
+ pdf_height = pagebox->y2 - pagebox->y1;
} else {
- img_pdf_orig_y(idict) = pagebox->y2;
- img_pdf_height(idict) = pagebox->y1 - pagebox->y2;
+ pdf_yorig = pagebox->y2;
+ pdf_height = pagebox->y1 - pagebox->y2;
}
rotate = page->getRotate();
// handle page rotation and adjust dimens as needed
if (rotate != 0) {
- if (rotate % 90 == 0) {
- // handle only the simple case: multiple of 90s.
- // these are the only values allowed according to the
- // reference (v1.3, p. 78).
- // 180 needs no special treatment here
- register float f;
- switch (rotate) {
- case 90:
- f = img_pdf_height(idict);
- img_pdf_height(idict) = img_pdf_width(idict);
- img_pdf_width(idict) = f;
- break;
- case 270:
- f = img_pdf_height(idict);
- img_pdf_height(idict) = img_pdf_width(idict);
- img_pdf_width(idict) = f;
- break;
- }
+ // handle only the simple case: multiple of 90s.
+ // these are the only values allowed according to the
+ // reference (v1.3, p. 78).
+ // 180 needs no special treatment here
+ register float f;
+ switch (rotate % 360) {
+ case 90:
+ case 270:
+ f = pdf_height;
+ pdf_height = pdf_width;
+ pdf_width = f;
+ break;
+ default:;
}
}
pdf_doc->xref = pdf_doc->doc->getXRef();
- img_xsize(idict) = bp2int(img_pdf_width(idict));
- img_ysize(idict) = bp2int(img_pdf_height(idict));
+ img_xsize(idict) = bp2int(pdf_width);
+ img_ysize(idict) = bp2int(pdf_height);
+ img_xorig(idict) = bp2int(pdf_xorig);
+ img_yorig(idict) = bp2int(pdf_yorig);
}
-// writes the current epf_doc.
+// Writes the current epf_doc.
// Here the included PDF is copied, so most errors that can happen during PDF
// inclusion will arise here.
-void write_epdf(image_dict * idict)
+static void write_epdf1(image_dict * idict)
{
Page *page;
PdfObject contents, obj1, obj2;
@@ -792,15 +795,11 @@ void write_epdf(image_dict * idict)
int rotate;
double scale[6] = { 0, 0, 0, 0, 0, 0 };
bool writematrix = false;
- PdfDocument *pdf_doc = (PdfDocument *) img_pdf_doc(idict);
- (pdf_doc->occurences)--;
-#ifdef DEBUG
- fprintf(stderr, "\npdfTeX Debug: Decrementing %s (%d)\n",
- pdf_doc->file_name, pdf_doc->occurences);
-#endif
+ PdfDocument *pdf_doc = (PdfDocument *) findPdfDocument(img_filepath(idict));
+ assert(pdf_doc != NULL);
xref = pdf_doc->xref;
inObjList = pdf_doc->inObjList;
- encodingList = 0;
+ encodingList = NULL;
page = pdf_doc->doc->getCatalog()->getPage(img_pagenum(idict));
rotate = page->getRotate();
PDFRectangle *pagebox;
@@ -812,8 +811,8 @@ void write_epdf(image_dict * idict)
// write additional information
pdf_printf("/%s.FileName (%s)\n", pdfkeyprefix,
- convertStringToPDFString(pdf_doc->file_name,
- strlen(pdf_doc->file_name)));
+ convertStringToPDFString(pdf_doc->file_path,
+ strlen(pdf_doc->file_path)));
pdf_printf("/%s.PageNumber %i\n", pdfkeyprefix, (int) img_pagenum(idict));
pdf_doc->doc->getDocInfoNF(&info);
if (info.isRef()) {
@@ -826,42 +825,40 @@ void write_epdf(image_dict * idict)
// handle page rotation
if (rotate != 0) {
- if (rotate % 90 == 0) {
- // this handles only the simple case: multiple of 90s but these
- // are the only values allowed according to the reference
- // (v1.3, p. 78).
- // the image is rotated around its center.
- // the /Rotate key is clockwise while the matrix is
- // counterclockwise :-%
- tex_printf(", page is rotated %d degrees", rotate);
- switch (rotate) {
- case 90:
- scale[1] = -1;
- scale[2] = 1;
- scale[4] = pagebox->x1 - pagebox->y1;
- scale[5] = pagebox->y1 + pagebox->x2;
- writematrix = true;
- break;
- case 180:
- scale[0] = scale[3] = -1;
- scale[4] = pagebox->x1 + pagebox->x2;
- scale[5] = pagebox->y1 + pagebox->y2;
- writematrix = true;
- break; // width and height are exchanged
- case 270:
- scale[1] = 1;
- scale[2] = -1;
- scale[4] = pagebox->x1 + pagebox->y2;
- scale[5] = pagebox->y1 - pagebox->x1;
- writematrix = true;
- break;
- }
- if (writematrix) { // The matrix is only written if the image is rotated.
- sprintf(s, "/Matrix [%.8f %.8f %.8f %.8f %.8f %.8f]\n",
- scale[0],
- scale[1], scale[2], scale[3], scale[4], scale[5]);
- pdf_printf(stripzeros(s));
- }
+ // this handles only the simple case: multiple of 90s but these
+ // are the only values allowed according to the reference
+ // (v1.3, p. 78).
+ // the image is rotated around its center.
+ // the /Rotate key is clockwise while the matrix is
+ // counterclockwise :-%
+ tex_printf(", page is rotated %d degrees", rotate);
+ switch (rotate % 360) {
+ case 90:
+ scale[1] = -1;
+ scale[2] = 1;
+ scale[4] = pagebox->x1 - pagebox->y1;
+ scale[5] = pagebox->y1 + pagebox->x2;
+ writematrix = true;
+ break;
+ case 180:
+ scale[0] = scale[3] = -1;
+ scale[4] = pagebox->x1 + pagebox->x2;
+ scale[5] = pagebox->y1 + pagebox->y2;
+ writematrix = true;
+ break; // width and height are exchanged
+ case 270:
+ scale[1] = 1;
+ scale[2] = -1;
+ scale[4] = pagebox->x1 + pagebox->y2;
+ scale[5] = pagebox->y1 - pagebox->x1;
+ writematrix = true;
+ break;
+ default:;
+ }
+ if (writematrix) { // The matrix is only written if the image is rotated.
+ sprintf(s, "/Matrix [%.8f %.8f %.8f %.8f %.8f %.8f]\n",
+ scale[0], scale[1], scale[2], scale[3], scale[4], scale[5]);
+ pdf_printf(stripzeros(s));
}
}
@@ -883,12 +880,12 @@ void write_epdf(image_dict * idict)
# else
// FIXME: currently we don't know how to handle Page Groups so we abort gracefully :-(
pdftex_fail
- ("PDF inclusion: Page Group detected which pdfTeX can't handle. Sorry.");
+ ("PDF inclusion: Page Group detected which luatex can't handle. Sorry.");
# endif
#else
// FIXME: currently we don't know how to handle Page Groups so we at least give a warning :-(
pdftex_warn
- ("PDF inclusion: Page Group detected which pdfTeX can't handle. Ignoring it.");
+ ("PDF inclusion: Page Group detected which luatex can't handle. Ignoring it.");
#endif
}
// write the page Metadata if it's there
@@ -970,25 +967,39 @@ void write_epdf(image_dict * idict)
writeRefs();
// write out all used encodings (and delete list)
writeEncodings();
- // save object list, xref
+ // save object list
pdf_doc->inObjList = inObjList;
- pdf_doc->xref = xref;
+ assert(xref == pdf_doc->xref); // xref should be unchanged
}
-// Called when an image has been written and it's resources in image_tab are
-// freed and it's not referenced anymore.
+void write_epdf(image_dict * idict)
+{
+ assert(idict != NULL);
+ write_epdf1(idict);
+ unrefPdfDocument(img_filepath(idict));
+}
-void epdf_delete(image_dict * idict)
+//**********************************************************************
+// Deallocate a PdfDocument with all its resources
+
+static void deletePdfDocument(PdfDocument * pdf_doc)
{
- PdfDocument *pdf_doc = (PdfDocument *) img_pdf_doc(idict);
- xref = pdf_doc->xref;
- if (pdf_doc->occurences < 0) {
-#ifdef DEBUG
- fprintf(stderr, "\npdfTeX Debug: Deleting %s\n", pdf_doc->file_name);
-#endif
- delete_document(pdf_doc);
+ assert(pdf_doc != NULL);
+ // free PdfDocument's resources
+ InObj *r, *n;
+ for (r = pdf_doc->inObjList; r != NULL; r = n) {
+ n = r->next;
+ delete r;
}
- img_pdf_doc(idict) = NULL;
+ delete pdf_doc->doc;
+ xfree(pdf_doc->file_path);
+ delete pdf_doc;
+}
+
+static void destroyPdfDocument(void *pa, void *pb)
+{
+ PdfDocument *pdf_doc = (PdfDocument *) pa;
+ deletePdfDocument(pdf_doc);
}
// Called when PDF embedding system is finalized.
@@ -996,13 +1007,10 @@ void epdf_delete(image_dict * idict)
void epdf_check_mem()
{
- if (isInit) {
- PdfDocument *p, *n;
- for (p = pdfDocuments; p; p = n) {
- n = p->next;
- delete_document(p);
- }
- // see above for globalParams
+ if (PdfDocumentTree != NULL)
+ avl_destroy(PdfDocumentTree, destroyPdfDocument);
+ PdfDocumentTree = NULL;
+ if (isInit == gTrue)
delete globalParams;
- }
+ isInit = gFalse;
}
diff --git a/Build/source/texk/web2c/luatexdir/image/writeimg.c b/Build/source/texk/web2c/luatexdir/image/writeimg.c
index 66eb459bc0c..c49ef9a28d9 100644
--- a/Build/source/texk/web2c/luatexdir/image/writeimg.c
+++ b/Build/source/texk/web2c/luatexdir/image/writeimg.c
@@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License
along with pdfTeX; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-$Id: writeimg.c 1119 2008-03-22 11:27:02Z hhenkel $
+$Id: writeimg.c 1152 2008-04-13 22:29:59Z hhenkel $
*/
#include <assert.h>
@@ -168,18 +168,6 @@ static void check_type_by_extension(image_dict * idict)
/**********************************************************************/
-pdf_img_struct *new_pdf_img_struct()
-{
- pdf_img_struct *p;
- p = xtalloc(1, pdf_img_struct);
- p->width = 0;
- p->height = 0;
- p->orig_x = 0;
- p->orig_y = 0;
- p->doc = NULL;
- return p;
-}
-
void init_image(image * p)
{
assert(p != NULL);
@@ -208,6 +196,8 @@ void init_image_dict(image_dict * p)
img_index(p) = 0;
img_xsize(p) = 0;
img_ysize(p) = 0;
+ img_xorig(p) = 0;
+ img_yorig(p) = 0;
img_xres(p) = 0;
img_yres(p) = 0;
img_colorspace(p) = 0;
@@ -223,7 +213,7 @@ void init_image_dict(image_dict * p)
img_colordepth(p) = 0;
img_pagebox(p) = PDF_BOX_SPEC_MEDIA;
img_state(p) = DICT_NEW;
- img_pdf_ptr(p) = NULL; /* union */
+ img_png_ptr(p) = NULL; /* union */
}
image_dict *new_image_dict()
@@ -250,10 +240,26 @@ void free_dict_strings(image_dict * p)
}
void free_image_dict(image_dict * p)
-{
+{ /* called from limglib.c */
+ assert(img_state(p) < DICT_REFERED);
+ switch (img_type(p)) {
+ case IMAGE_TYPE_PDF:
+ unrefPdfDocument(img_filepath(p));
+ break;
+ case IMAGE_TYPE_PNG: /* assuming IMG_CLOSEINBETWEEN */
+ assert(img_png_ptr(p) == NULL);
+ break;
+ case IMAGE_TYPE_JPG: /* assuming IMG_CLOSEINBETWEEN */
+ assert(img_jpg_ptr(p) == NULL);
+ break;
+ case IMAGE_TYPE_JBIG2: /* todo: writejbig2.c cleanup */
+ break;
+ case IMAGE_TYPE_NONE:
+ break;
+ default:
+ assert(0);
+ }
free_dict_strings(p);
- if (img_type(p) == IMAGE_TYPE_PDF)
- epdf_delete(p);
assert(img_file(p) == NULL);
xfree(p);
}
@@ -405,7 +411,8 @@ void scale_img(image * img)
void out_img(image * img, scaled hpos, scaled vpos)
{
- float a[7]; /* transformation matrix (todo: indices should be reduced!) */
+ float a[6]; /* transformation matrix */
+ float xoff, yoff, tmp;
int r; /* number of digits after the decimal point */
assert(img != 0);
image_dict *idict = img_dict(img);
@@ -413,92 +420,94 @@ void out_img(image * img, scaled hpos, scaled vpos)
scaled wd = img_width(img);
scaled ht = img_height(img);
scaled dp = img_depth(img);
+ if ((img_transform(img) & 1) == 1) { /* 90 deg. or 270 deg. rotated */
+ if (ht == -dp)
+ pdftex_fail("image transform: division by zero (height == -depth)");
+ if (wd == 0)
+ pdftex_fail("image transform: division by zero (width == 0)");
+ }
+ a[1] = a[2] = 0;
if (img_type(idict) == IMAGE_TYPE_PDF) {
- a[1] = wd * 1.0e6 / img_xsize(idict);
- a[2] = 0;
- a[3] = 0;
- a[4] = (ht + dp) * 1.0e6 / img_ysize(idict);
- a[5] = hpos -
- (float) wd *bp2int(img_pdf_orig_x(idict)) / img_xsize(idict);
- a[6] = vpos -
- (float) ht *bp2int(img_pdf_orig_y(idict)) / img_ysize(idict);
+ a[0] = 1.0e6 / img_xsize(idict);
+ a[3] = 1.0e6 / img_ysize(idict);
r = 6;
} else {
- a[1] = wd * 1.0e6 / one_hundred_bp;
- a[2] = 0;
- a[3] = 0;
- a[4] = (ht + dp) * 1.0e6 / one_hundred_bp;
- a[5] = hpos;
- a[6] = vpos;
+ a[3] = a[0] = 1.0e6 / one_hundred_bp;
r = 4;
}
- if ((img_transform(img) & 1) == 1) {
- if (ht == -dp)
- pdftex_fail("image transform: division by zero (height == -depth)");
- if (wd == 0)
- pdftex_fail("image transform: division by zero (width == 0)");
+ xoff = (float) img_xorig(idict) / img_xsize(idict);
+ yoff = (float) img_yorig(idict) / img_ysize(idict);
+ if ((img_transform(img) & 7) > 3) { /* mirrored */
+ a[0] *= -1;
+ xoff *= -1;
}
- switch (img_transform(img) & 7) {
- case 0: /* unrotated */
+ switch (img_transform(img) & 3) {
+ case 0: /* no transform */
break;
case 1: /* rot. 90 deg. (counterclockwise) */
- a[2] = a[1] * (ht + dp) / wd;
- a[1] = 0;
- a[3] = -a[4] * wd / (ht + dp);
- a[4] = 0;
- a[5] += wd;
+ a[1] = a[0];
+ a[2] = -a[3];
+ a[3] = a[0] = 0;
+ tmp = yoff;
+ yoff = xoff;
+ xoff = -tmp;
break;
- case 2: /* rot. 180 deg. */
- a[1] = -a[1];
- a[4] = -a[4];
- a[5] += wd;
- a[6] += ht + dp;
+ case 2: /* rot. 180 deg. (counterclockwise) */
+ a[0] *= -1;
+ a[3] *= -1;
+ xoff *= -1;
+ yoff *= -1;
break;
- case 3: /* rot. 270 deg. */
- a[2] = -a[1] * (ht + dp) / wd;
- a[1] = 0;
- a[3] = a[4] * wd / (ht + dp);
- a[4] = 0;
- a[6] += ht + dp;
+ case 3: /* rot. 270 deg. (counterclockwise) */
+ a[1] = -a[0];
+ a[2] = a[3];
+ a[3] = a[0] = 0;
+ tmp = yoff;
+ yoff = -xoff;
+ xoff = tmp;
break;
+ default:;
+ }
+ xoff *= wd;
+ yoff *= ht + dp;
+ a[0] *= wd;
+ a[1] *= ht + dp;
+ a[2] *= wd;
+ a[3] *= ht + dp;
+ a[4] = hpos - xoff;
+ a[5] = vpos - yoff;
+ switch (img_transform(img) & 7) {
+ case 0: /* no transform */
+ case 7: /* mirrored, then rot. 270 deg. */
+ break;
+ case 1: /* rot. 90 deg. (counterclockwise) */
case 4: /* mirrored, unrotated */
- a[1] = -a[1];
- a[5] += wd;
+ a[4] += wd;
break;
+ case 2: /* rot. 180 deg. */
case 5: /* mirrored, then rot. 90 deg. */
- a[2] = -a[1] * (ht + dp) / wd;
- a[1] = 0;
- a[3] = -a[4] * wd / (ht + dp);
- a[4] = 0;
- a[5] += wd;
- a[6] += ht + dp;
+ a[4] += wd;
+ a[5] += ht + dp;
break;
+ case 3: /* rot. 270 deg. */
case 6: /* mirrored, then rot. 180 deg. */
- a[4] = -a[4];
- a[6] += ht + dp;
+ a[5] += ht + dp;
break;
- case 7: /* mirrored, then rot. 270 deg. */
- a[2] = a[1] * (ht + dp) / wd;
- a[1] = 0;
- a[3] = a[4] * wd / (ht + dp);
- a[4] = 0;
- break;
- default:
- assert(0);
+ default:;
}
pdf_end_text();
pdf_printf("q\n");
+ pdf_print_real((integer) a[0], r);
+ pdfout(' ');
pdf_print_real((integer) a[1], r);
pdfout(' ');
pdf_print_real((integer) a[2], r);
pdfout(' ');
pdf_print_real((integer) a[3], r);
pdfout(' ');
- pdf_print_real((integer) a[4], r);
+ pdf_print_bp((integer) a[4]);
pdfout(' ');
pdf_print_bp((integer) a[5]);
- pdfout(' ');
- pdf_print_bp((integer) a[6]);
pdf_printf(" cm\n/Im");
pdf_print_int(img_index(idict));
pdf_print_resname_prefix();
@@ -621,12 +630,12 @@ integer image_colordepth(integer ref)
integer epdf_orig_x(integer ref)
{
- return bp2int(img_pdf_orig_x(img_dict(img_array[ref])));
+ return img_xorig(img_dict(img_array[ref]));
}
integer epdf_orig_y(integer ref)
{
- return bp2int(img_pdf_orig_y(img_dict(img_array[ref])));
+ return img_yorig(img_dict(img_array[ref]));
}
integer image_objnum(integer ref)
@@ -659,8 +668,6 @@ void update_image_procset(integer ref)
pdf_image_procset |= img_color(img_dict(img_array[ref]));
}
-/**********************************************************************/
-
boolean check_image_b(integer procset)
{
return procset & IMAGE_COLOR_B;
diff --git a/Build/source/texk/web2c/luatexdir/image/writejbig2.c b/Build/source/texk/web2c/luatexdir/image/writejbig2.c
index d50ed88c485..2d7d4560548 100644
--- a/Build/source/texk/web2c/luatexdir/image/writejbig2.c
+++ b/Build/source/texk/web2c/luatexdir/image/writejbig2.c
@@ -75,7 +75,7 @@ object exists, reference it. Else create fresh one.
09 Dec. 2002: JBIG2 seg. page numbers > 0 are now set to 1, see PDF Ref.
-$Id: writejbig2.c 1027 2008-02-14 21:01:03Z hhenkel $
+$Id: writejbig2.c 1127 2008-03-25 21:32:54Z hhenkel $
***********************************************************************/
#include "writejbig2.h"
@@ -705,6 +705,7 @@ void read_jbig2_info(image_dict * idict)
if (pip == NULL)
pdftex_fail("read_jbig2_info(): page %d not found in JBIG2 image file",
(int) img_pagenum(idict));
+ img_totalpages(idict) = fip->numofpages;
img_xsize(idict) = pip->width;
img_ysize(idict) = pip->height;
img_xres(idict) = (int) (pip->xres * 0.0254 + 0.5);
diff --git a/Build/source/texk/web2c/luatexdir/lang/hyphen.c b/Build/source/texk/web2c/luatexdir/lang/hyphen.c
index 140cde8d768..1f75b352bca 100644
--- a/Build/source/texk/web2c/luatexdir/lang/hyphen.c
+++ b/Build/source/texk/web2c/luatexdir/lang/hyphen.c
@@ -623,7 +623,7 @@ void hnj_hyphen_load(
repl = hnj_strdup(repl + 1);
}
*/
- for (i=0,j=0,e=0; i<l; i++) {
+ for (i=0,j=0,e=0; (unsigned)i<l; i++) {
if (format[i]>='0'&&format[i]<='9') j++;
if (is_utf8_follow(format[i])) e++;
}
@@ -633,7 +633,7 @@ void hnj_hyphen_load(
char *org = ( char*) malloc(2+l-e-j);
/* remove hyphenation encoders (digits) from pat*/
org[0] = '0';
- for (i=0,j=0,e=0; i<l; i++) {
+ for (i=0,j=0,e=0; (unsigned)i<l; i++) {
unsigned char c = format[i];
if (is_utf8_follow(c)) {
pat[j+e++] = c;
@@ -779,7 +779,7 @@ void hnj_hyphen_hyphenate(
halfword here;
for (char_num=0, here=begin_point; here!=end_point; here=get_vlink(here)) {
- int ch = get_character(here);
+ int ch = get_lc_code(get_character(here));
while (state!=-1) {
/* printf("%*s%s%c",char_num-strlen(get_state_str(state)),"",get_state_str(state),(char)ch);*/
diff --git a/Build/source/texk/web2c/luatexdir/lang/texlang.c b/Build/source/texk/web2c/luatexdir/lang/texlang.c
index 12390ae2fcf..0504805a55e 100644
--- a/Build/source/texk/web2c/luatexdir/lang/texlang.c
+++ b/Build/source/texk/web2c/luatexdir/lang/texlang.c
@@ -60,7 +60,7 @@ new_language (void) {
struct tex_language *
get_language (int n) {
- if (n>=0 && n<=MAX_TEX_LANGUAGES ) {
+ if (n>=0 && n<MAX_TEX_LANGUAGES ) {
if (tex_languages[n]!=NULL) {
return tex_languages[n];
} else {
@@ -74,24 +74,28 @@ get_language (int n) {
void
set_pre_hyphen_char (integer n, integer v) {
struct tex_language *l = get_language((int)n);
- l->pre_hyphen_char = (int)v;
+ if (l!=NULL)
+ l->pre_hyphen_char = (int)v;
}
void
set_post_hyphen_char (integer n, integer v) {
struct tex_language *l = get_language((int)n);
- l->post_hyphen_char = (int)v;
+ if (l!=NULL)
+ l->post_hyphen_char = (int)v;
}
integer
get_pre_hyphen_char (integer n) {
struct tex_language *l = get_language((int)n);
+ if (l==NULL) return -1;
return (integer)l->pre_hyphen_char;
}
integer
get_post_hyphen_char (integer n) {
struct tex_language *l = get_language((int)n);
+ if (l==NULL) return -1;
return (integer)l->post_hyphen_char;
}
@@ -352,7 +356,7 @@ char *hyphenation_exception(int exceptions, char *w) {
char *exception_strings(struct tex_language *lang) {
char *value;
- int size = 0, current =0;
+ size_t size = 0, current =0;
size_t l =0;
char *ret = NULL;
lua_State *L = Luas[0];
@@ -382,7 +386,7 @@ char *exception_strings(struct tex_language *lang) {
/* the sequence from |wordstart| to |r| can contain only normal characters */
/* it could be faster to modify a halfword pointer and return an integer */
-halfword find_exception_part(int *j, int *uword, int len) {
+halfword find_exception_part(unsigned int *j, int *uword, int len) {
halfword g = null, gg = null;
register int i = *j;
i++; /* this puts uword[i] on the '{' */
@@ -401,7 +405,7 @@ halfword find_exception_part(int *j, int *uword, int len) {
return gg;
}
-int count_exception_part(int *j, int *uword, int len) {
+int count_exception_part(unsigned int *j, int *uword, int len) {
int ret=0;
register int i = *j;
i++; /* this puts uword[i] on the '{' */
@@ -420,7 +424,7 @@ static char *PAT_ERROR[] = {
NULL };
void do_exception (halfword wordstart, halfword r, char *replacement) {
- int i;
+ unsigned i;
halfword t;
unsigned len;
int clang;
@@ -812,8 +816,7 @@ void undump_one_language (int i) {
}
void undump_language_data (void) {
- int i;
- unsigned x, numlangs;
+ unsigned i, x, numlangs;
undump_int(numlangs);
for (i=0;i<numlangs;i++) {
undump_int(x);
diff --git a/Build/source/texk/web2c/luatexdir/lua/lfontlib.c b/Build/source/texk/web2c/luatexdir/lua/lfontlib.c
index 13632527082..4bb5252daa7 100644
--- a/Build/source/texk/web2c/luatexdir/lua/lfontlib.c
+++ b/Build/source/texk/web2c/luatexdir/lua/lfontlib.c
@@ -1,4 +1,4 @@
-/* $Id: lfontlib.c 1013 2008-02-14 00:09:02Z oneiros $ */
+/* $Id: lfontlib.c 1171 2008-04-16 13:56:53Z taco $ */
#include "luatex-api.h"
#include <ptexlib.h>
@@ -181,6 +181,16 @@ deffont (lua_State *L) {
return 0; /* not reached */
}
+/* this returns the expected (!) next fontid. */
+static int
+nextfontid (lua_State *L) {
+ int i = new_font();
+ lua_pushnumber(L,i);
+ delete_font(i);
+ return 1;
+}
+
+
static int
getfont (lua_State *L) {
int i;
@@ -201,6 +211,7 @@ static const struct luaL_reg fontlib [] = {
{"getfont", getfont},
{"setfont", setfont},
{"define", deffont},
+ {"nextid", nextfontid},
{"frozen", frozenfont},
{NULL, NULL} /* sentinel */
};
diff --git a/Build/source/texk/web2c/luatexdir/lua/llanglib.c b/Build/source/texk/web2c/luatexdir/lua/llanglib.c
index 63e8c45dec8..a5227afa1a0 100644
--- a/Build/source/texk/web2c/luatexdir/lua/llanglib.c
+++ b/Build/source/texk/web2c/luatexdir/lua/llanglib.c
@@ -29,6 +29,9 @@ This is llanglib.c
#define check_islang(L,b) (struct tex_language **)luaL_checkudata(L,b,LANG_METATABLE)
+extern halfword *check_isnode (lua_State *L, int ud) ;
+
+
static int
lang_new (lua_State *L) {
struct tex_language **lang;
diff --git a/Build/source/texk/web2c/luatexdir/lua/llualib.c b/Build/source/texk/web2c/luatexdir/lua/llualib.c
index 0d13500a9b7..90b1687f3b1 100644
--- a/Build/source/texk/web2c/luatexdir/lua/llualib.c
+++ b/Build/source/texk/web2c/luatexdir/lua/llualib.c
@@ -1,5 +1,5 @@
-/* $Id: llualib.c 1013 2008-02-14 00:09:02Z oneiros $ */
+/* $Id: llualib.c 1169 2008-04-15 14:57:56Z oneiros $ */
#include "luatex-api.h"
#include <ptexlib.h>
@@ -49,17 +49,17 @@ void undump_luac_registers (void) {
if (luabytecode_max>=0) {
i = (luabytecode_max+1);
if ((int)(UINT_MAX32/sizeof(bytecode)+1)<=i) {
- lua_fatal_error("Corrupt format file");
+ lua_fatal_error(maketexstring("Corrupt format file"));
}
lua_bytecode_registers = xmalloc(i*sizeof(bytecode));
luabytecode_bytes = i*sizeof(bytecode);
- for (i=0;i<=luabytecode_max;i++) {
+ for (i=0;i<=(unsigned)luabytecode_max;i++) {
lua_bytecode_registers[i].done = 0;
lua_bytecode_registers[i].size = 0;
lua_bytecode_registers[i].buf = NULL;
}
undump_int(n);
- for (i=0;i<n;i++) {
+ for (i=0;i<(unsigned)n;i++) {
undump_int(k);
undump_int(b.size);
b.buf=xmalloc(b.size);
@@ -107,7 +107,7 @@ bytecode_register_shadow_get (lua_State* L, int k){
int writer(lua_State* L, const void* b, size_t size, void* B) {
bytecode* buf = (bytecode*)B;
- if (buf->size + size > buf->alloc) {
+ if ((int)(buf->size + size) > buf->alloc) {
buf->buf = xrealloc(buf->buf,buf->alloc+size+LOAD_BUF_SIZE);
buf->alloc = buf->alloc+size+LOAD_BUF_SIZE;
}
@@ -176,7 +176,7 @@ int set_bytecode (lua_State *L) {
} else {
luabytecode_bytes += sizeof(bytecode)*(k+1-luabytecode_max);
}
- for (i=(luabytecode_max+1);i<=k;i++) {
+ for (i=(luabytecode_max+1);i<=(unsigned)k;i++) {
lua_bytecode_registers[i].buf=NULL;
lua_bytecode_registers[i].size=0;
lua_bytecode_registers[i].done=0;
diff --git a/Build/source/texk/web2c/luatexdir/lua/lmplib.c b/Build/source/texk/web2c/luatexdir/lua/lmplib.c
index a194f9a55d8..b435618e97b 100644
--- a/Build/source/texk/web2c/luatexdir/lua/lmplib.c
+++ b/Build/source/texk/web2c/luatexdir/lua/lmplib.c
@@ -430,7 +430,7 @@ void mplib_write_ascii_file (MP mp, void *ff, const char *s) {
} else if (f==mplib_data->ps_file_ptr) {
APPEND_STRING(ps_out,s);
} else {
- fprintf((FILE *)f,s);
+ fprintf((FILE *)f,"%s",s);
}
}
}
@@ -883,8 +883,7 @@ mplib_gr_tostring (lua_State *L) {
static int
mplib_gr_fields (lua_State *L) {
const char **fields;
- const char *f;
- int i = 1;
+ int i ;
struct mp_graphic_object **hh = is_gr_object(L,1);
if (*hh) {
switch ((*hh)->_type_field) {
@@ -899,9 +898,9 @@ mplib_gr_fields (lua_State *L) {
default: fields = no_fields;
}
lua_newtable(L);
- for (f = *fields; f != NULL; f++) {
- lua_pushstring(L,f);
- lua_rawseti(L,-2,i); i++;
+ for (i=0;fields[i]!=NULL;i++) {
+ lua_pushstring(L,fields[i]);
+ lua_rawseti(L,-2,(i+1));
}
} else {
lua_pushnil(L);
@@ -926,16 +925,16 @@ mplib_push_path (lua_State *L, struct mp_knot *h, int is_pen) {
lua_createtable(L,0,6);
if (!is_pen) {
if (p->left_type_field != mp_explicit) {
- mplib_push_S(left_type);
- lua_pushstring(L,knot_type_enum[p->left_type_field]);
- lua_rawset(L,-3);
- }
- if (p->right_type_field != mp_explicit) {
- mplib_push_S(right_type);
- lua_pushstring(L,knot_type_enum[p->right_type_field]);
- lua_rawset(L,-3);
- }
- }
+ mplib_push_S(left_type);
+ lua_pushstring(L,knot_type_enum[p->left_type_field]);
+ lua_rawset(L,-3);
+ }
+ if (p->right_type_field != mp_explicit) {
+ mplib_push_S(right_type);
+ lua_pushstring(L,knot_type_enum[p->right_type_field]);
+ lua_rawset(L,-3);
+ }
+ }
mplib_push_S(x_coord);
mplib_push_number(L,p->x_coord_field);
lua_rawset(L,-3);
@@ -965,6 +964,23 @@ mplib_push_path (lua_State *L, struct mp_knot *h, int is_pen) {
}
}
+/* this assumes that the top of the stack is a table
+ or nil already in the case
+ */
+static void
+mplib_push_pentype (lua_State *L, struct mp_knot *h) {
+ struct mp_knot *p; /* for scanning the path */
+ p=h;
+ if (p==NULL) {
+ /* do nothing */
+ } else if (p==p->next_field) {
+ mplib_push_S(type);
+ lua_pushstring(L,"elliptical");
+ lua_rawset(L,-3);
+ } else {
+ }
+}
+
#define set_color_objects(pq) \
object_color_model = pq->color_model_field; \
object_color_a = pq->color_field._a_val; \
@@ -1012,6 +1028,7 @@ mplib_push_color (lua_State *L, struct mp_graphic_object *p ) {
static void
mplib_push_dash (lua_State *L, struct mp_stroked_object *h ) {
mp_dash_object *d;
+ double ds;
if (h!=NULL && h->dash_p_field != NULL) {
d = h->dash_p_field;
lua_newtable(L);
@@ -1021,7 +1038,8 @@ mplib_push_dash (lua_State *L, struct mp_stroked_object *h ) {
int i = 0;
lua_newtable(L);
while (*(d->array_field+i) != -1) {
- mplib_push_number(L, *(d->array_field+1));
+ ds = *(d->array_field+1) / 65536.0;
+ lua_pushnumber(L, ds);
i++;
lua_rawseti(L,-2,i);
}
@@ -1064,6 +1082,7 @@ mplib_fill_field (lua_State *L, struct mp_fill_object *h) {
mplib_push_path(L, h->htap_p_field, MPLIB_PATH);
} else if (FIELD(pen)) {
mplib_push_path(L, h->pen_p_field, MPLIB_PEN);
+ mplib_push_pentype(L, h->pen_p_field);
} else if (FIELD(color)) {
mplib_push_color(L,(mp_graphic_object *)h);
} else if (FIELD(linejoin)) {
@@ -1085,6 +1104,7 @@ mplib_stroked_field (lua_State *L, struct mp_stroked_object *h) {
mplib_push_path(L, h->path_p_field, MPLIB_PATH);
} else if (FIELD(pen)) {
mplib_push_path(L, h->pen_p_field, MPLIB_PEN);
+ mplib_push_pentype(L, h->pen_p_field);
} else if (FIELD(color)) {
mplib_push_color(L, (mp_graphic_object *)h);
} else if (FIELD(dash)) {
@@ -1163,6 +1183,7 @@ mplib_gr_index (lua_State *L) {
struct mp_graphic_object **hh = is_gr_object(L,1);
if (*hh) {
struct mp_graphic_object *h = *hh;
+
if (mplib_is_S(type,2)) {
lua_rawgeti(L,LUA_REGISTRYINDEX,mplib_type_Ses[h->_type_field]);
} else {
@@ -1206,7 +1227,6 @@ static const struct luaL_reg mplib_gr_meta[] = {
{"__gc", mplib_gr_collect },
{"__tostring", mplib_gr_tostring },
{"__index", mplib_gr_index },
- {"fields", mplib_gr_fields },
{NULL, NULL} /* sentinel */
};
@@ -1220,7 +1240,8 @@ static const struct luaL_reg mplib_d [] = {
static const struct luaL_reg mplib_m[] = {
- {"new", mplib_new},
+ {"new", mplib_new },
+ {"fields", mplib_gr_fields },
{NULL, NULL} /* sentinel */
};
@@ -1228,6 +1249,7 @@ static const struct luaL_reg mplib_m[] = {
int
luaopen_mp (lua_State *L) {
mplib_init_Ses(L);
+
luaL_newmetatable(L,MPLIB_GR_METATABLE);
lua_pushvalue(L, -1); /* push metatable */
lua_setfield(L, -2, "__index"); /* metatable.__index = metatable */
diff --git a/Build/source/texk/web2c/luatexdir/lua/lpdflib.c b/Build/source/texk/web2c/luatexdir/lua/lpdflib.c
index 9cf847c84c8..393409b0729 100644
--- a/Build/source/texk/web2c/luatexdir/lua/lpdflib.c
+++ b/Build/source/texk/web2c/luatexdir/lua/lpdflib.c
@@ -1,23 +1,23 @@
-/* $Id: lpdflib.c 1013 2008-02-14 00:09:02Z oneiros $ */
+/* $Id: lpdflib.c 1154 2008-04-13 22:36:03Z oneiros $ */
#include "luatex-api.h"
#include <ptexlib.h>
-static int
-findcurv (lua_State *L) {
- int j;
- j = get_cur_v();
- lua_pushnumber(L, j);
- return 1;
+static int findcurv(lua_State * L)
+{
+ int j;
+ j = get_cur_v();
+ lua_pushnumber(L, j);
+ return 1;
}
-static int
-findcurh (lua_State *L) {
- int j;
- j = get_cur_h();
- lua_pushnumber(L, j);
- return 1;
+static int findcurh(lua_State * L)
+{
+ int j;
+ j = get_cur_h();
+ lua_pushnumber(L, j);
+ return 1;
}
@@ -26,7 +26,8 @@ typedef enum { set_origin, direct_page, direct_always } pdf_lit_mode;
int luapdfprint(lua_State * L)
{
int n;
- unsigned i, len;
+ unsigned i;
+ size_t len;
const char *outputstr, *st;
pdf_lit_mode literal_mode;
n = lua_gettop(L);
@@ -46,13 +47,12 @@ int luapdfprint(lua_State * L)
else if (strcmp(outputstr, "page") == 0)
literal_mode = direct_page;
else {
- lua_pushstring(L,
- "invalid argument for print literal mode");
+ lua_pushstring(L, "invalid argument for print literal mode");
lua_error(L);
}
}
} else {
- if (n != 1) {
+ if (n != 1) {
lua_pushstring(L, "invalid number of arguments");
lua_error(L);
}
@@ -71,57 +71,72 @@ int luapdfprint(lua_State * L)
default:
assert(0);
}
- st = lua_tolstring(L, n,&len);
+ st = lua_tolstring(L, n, &len);
for (i = 0; i < len; i++) {
- if (i%16 == 0)
- pdfroom(16);
- pdf_buf[pdf_ptr++] = st[i];
+ if (i % 16 == 0)
+ pdfroom(16);
+ pdf_buf[pdf_ptr++] = st[i];
}
return 0;
}
-static int
-getpdf (lua_State *L) {
- char *st;
- if (lua_isstring(L,2)) {
- st = (char *)lua_tostring(L,2);
- if (st && *st) {
- if (*st == 'h')
- return findcurh(L);
- else if (*st == 'v')
- return findcurv(L);
+#define obj_type_others 0
+
+static int l_immediateobj(lua_State * L)
+{
+ if (!lua_isstring(L, -1))
+ luaL_error(L, "pdf.immediateobj needs string value");
+ pdf_create_obj(obj_type_others, 0);
+ pdf_begin_obj(obj_ptr, 1);
+ pdf_printf("%s\n", lua_tostring(L, -1));
+ pdf_end_obj();
+ lua_pop(L, 1);
+ lua_pushinteger(L, obj_ptr);
+ return 1;
+}
+
+static int getpdf(lua_State * L)
+{
+ char *st;
+ if (lua_isstring(L, 2)) {
+ st = (char *) lua_tostring(L, 2);
+ if (st && *st) {
+ if (*st == 'h')
+ return findcurh(L);
+ else if (*st == 'v')
+ return findcurv(L);
+ }
}
- }
- lua_pushnil(L);
- return 1;
+ lua_pushnil(L);
+ return 1;
}
-static int
-setpdf (lua_State *L) {
- return (L==NULL ? 0 : 0); /* for -Wall */
+static int setpdf(lua_State * L)
+{
+ return (L == NULL ? 0 : 0); /* for -Wall */
}
static const struct luaL_reg pdflib[] = {
{"print", luapdfprint},
+ {"immediateobj", l_immediateobj},
{NULL, NULL} /* sentinel */
};
-int
-luaopen_pdf (lua_State *L) {
- luaL_register(L, "pdf", pdflib);
- /* build meta table */
- luaL_newmetatable(L,"pdf_meta");
- lua_pushstring(L, "__index");
- lua_pushcfunction(L, getpdf);
- /* do these later, NYI */
- if (0) {
+int luaopen_pdf(lua_State * L)
+{
+ luaL_register(L, "pdf", pdflib);
+ /* build meta table */
+ luaL_newmetatable(L, "pdf_meta");
+ lua_pushstring(L, "__index");
+ lua_pushcfunction(L, getpdf);
+ /* do these later, NYI */
+ if (0) {
+ lua_settable(L, -3);
+ lua_pushstring(L, "__newindex");
+ lua_pushcfunction(L, setpdf);
+ }
lua_settable(L, -3);
- lua_pushstring(L, "__newindex");
- lua_pushcfunction(L, setpdf);
- }
- lua_settable(L, -3);
- lua_setmetatable(L,-2); /* meta to itself */
- return 1;
+ lua_setmetatable(L, -2); /* meta to itself */
+ return 1;
}
-
diff --git a/Build/source/texk/web2c/luatexdir/lua/ltexlib.c b/Build/source/texk/web2c/luatexdir/lua/ltexlib.c
index f2258010136..937c802727a 100644
--- a/Build/source/texk/web2c/luatexdir/lua/ltexlib.c
+++ b/Build/source/texk/web2c/luatexdir/lua/ltexlib.c
@@ -1,4 +1,4 @@
-/* $Id: ltexlib.c 1087 2008-03-07 23:52:35Z hhenkel $ */
+/* $Id: ltexlib.c 1168 2008-04-15 13:43:34Z taco $ */
#include "luatex-api.h"
#include <ptexlib.h>
@@ -135,6 +135,8 @@ luacstring_input (void) {
last = first;
ret = last;
check_buffer_overflow (last + t->tsize);
+ /* make sure it fits in the pool as well (for show_token_list c.s) */
+ check_pool_overflow(pool_ptr + t->tsize);
while (t->tsize-->0)
buffer[last++] = *st++;
if (!t->partial) {
@@ -193,7 +195,7 @@ luacstring_close (int n) {
#define height_offset 3
#define check_index_range(j) \
- if (j<0 || j > 65535) { \
+ if (j > 65535) { \
lua_pushstring(L, "incorrect index value"); \
lua_error(L); }
@@ -449,9 +451,38 @@ int gettoks (lua_State *L) {
return 1;
}
+/* UGLY hack */
+
+#define char_given 70
+#define math_given 71
+#define omath_given 72
+
+static int get_box_id (lua_State *L, int i) {
+ const char *s;
+ integer cur_cs, cur_cmd;
+ str_number texstr;
+ size_t k = 0;
+ int j = -1;
+ if (lua_type(L,i)==LUA_TSTRING) {
+ s = (char *)lua_tolstring(L,i, &k);
+ texstr = maketexlstring(s,k);
+ cur_cs = string_lookup(texstr);
+ cur_cmd = zget_eq_type(cur_cs);
+ flush_str(texstr);
+ if (cur_cmd==char_given ||
+ cur_cmd==math_given ||
+ cur_cmd==omath_given) {
+ j = zget_equiv(cur_cs);
+ }
+ } else {
+ j = (int)lua_tonumber(L,(i));
+ }
+ return j;
+}
+
int getbox (lua_State *L) {
int k, t;
- k = (int)luaL_checkinteger(L,-1);
+ k = get_box_id(L,-1);
check_index_range(k);
t = get_tex_box_register(k);
nodelist_to_lua(L,t);
@@ -460,10 +491,7 @@ int getbox (lua_State *L) {
int setbox (lua_State *L) {
int i,j,k;
-
-
-
- k = (int)luaL_checkinteger(L,-2);
+ k = get_box_id(L,-2);
check_index_range(k);
i = get_tex_box_register(k);
if (lua_isboolean(L,-1)) {
@@ -482,11 +510,10 @@ int setbox (lua_State *L) {
return 0;
}
-
static int getboxdim (lua_State *L, int whichdim) {
int i, j;
i = lua_gettop(L);
- j = (int)lua_tonumber(L,(i));
+ j = get_box_id(L,i);
lua_settop(L,(i-2)); /* table at -1 */
if (j<0 || j > 65535) {
lua_pushstring(L, "incorrect index");
@@ -525,7 +552,7 @@ static int setboxdim (lua_State *L, int whichdim) {
} else {
j = (int)lua_tonumber(L,i);
}
- k = (int)lua_tonumber(L,(i-1));
+ k = get_box_id(L,(i-1));
lua_settop(L,(i-3)); /* table at -2 */
if (k<0 || k > 65535) {
lua_pushstring(L, "incorrect index");
@@ -704,6 +731,7 @@ getlist (lua_State *L) {
int
setlist (lua_State *L) {
+ assert(L);
return 0;
}
diff --git a/Build/source/texk/web2c/luatexdir/lua/luatoken.c b/Build/source/texk/web2c/luatexdir/lua/luatoken.c
index 23d9ca82150..bf434b286bb 100644
--- a/Build/source/texk/web2c/luatexdir/lua/luatoken.c
+++ b/Build/source/texk/web2c/luatexdir/lua/luatoken.c
@@ -1,4 +1,4 @@
-/* $Id: luatoken.c 1013 2008-02-14 00:09:02Z oneiros $ */
+/* $Id: luatoken.c 1168 2008-04-15 13:43:34Z taco $ */
#include "luatex-api.h"
#include <ptexlib.h>
@@ -222,7 +222,7 @@ get_cur_cs (lua_State *L) {
if (lua_isstring(L,-1)) {
s = (char *)lua_tolstring(L,-1,&l);
if (l>0) {
- if (last+l>buf_size)
+ if ((int)(last+l)>buf_size)
check_buffer_overflow(last+l);
for (j=0;j<l;j++) {
buffer[last+1+j]=*s++;
@@ -330,7 +330,7 @@ tokenlist_to_cstring ( int p , int inhibit_par, int *siz) {
Print_uchar(q-active_base);
}
}
- } else if ((q>=undefined_control_sequence)&&((q<=eqtb_size))||(q>eqtb_size+hash_extra)) {
+ } else if ((q>=undefined_control_sequence)&&((q<=eqtb_size)||(q>eqtb_size+hash_extra))) {
Print_esc("IMPOSSIBLE.");
} else if ((zget_cs_text(q)<0)||(zget_cs_text(q)>=str_ptr)) {
Print_esc("NONEXISTENT.");
@@ -439,8 +439,8 @@ tokenlist_to_luastring(lua_State *L, int p) {
int
tokenlist_from_lua(lua_State *L) {
char *s;
- int tok,i;
- size_t j;
+ int tok;
+ size_t i,j;
halfword p,q,r;
r = get_avail();
info(r)=0; /* ref count */
diff --git a/Build/source/texk/web2c/luatexdir/lua/mp.w b/Build/source/texk/web2c/luatexdir/lua/mp.w
index a459cc48fe1..4894a54e9aa 100644
--- a/Build/source/texk/web2c/luatexdir/lua/mp.w
+++ b/Build/source/texk/web2c/luatexdir/lua/mp.w
@@ -75,8 +75,8 @@ undergoes any modifications, so that it will be clear which version of
@d banner "This is MetaPost, Version 1.003" /* printed when \MP\ starts */
@d metapost_version "1.003"
-@d mplib_version "0.30"
-@d version_string " (Cweb version 0.30)"
+@d mplib_version "0.40"
+@d version_string " (Cweb version 0.40)"
@d true 1
@d false 0
@@ -659,6 +659,8 @@ char *mp_read_ascii_file (MP mp, void *ff, size_t *size) {
FILE *f = (FILE *)ff;
*size = 0;
(void) mp; /* for -Wunused */
+ if (f==NULL)
+ return NULL;
#if NOTTESTING
c = fgetc(f);
if (c==EOF)
@@ -700,7 +702,8 @@ void mp_read_binary_file (MP mp, void *f, void **data, size_t *size) {
size_t len = 0;
(void) mp;
#if NOTTESTING
- len = fread(*data,1,*size,(FILE *)f);
+ if (f!=NULL)
+ len = fread(*data,1,*size,(FILE *)f);
#endif
*size = len;
}
@@ -719,7 +722,8 @@ void mp_write_binary_file (MP mp, void *f, void *s, size_t size) {
void mp_close_file (MP mp, void *f) {
(void) mp;
#if NOTTESTING
- fclose((FILE *)f);
+ if (f!=NULL)
+ fclose((FILE *)f);
#endif
}
@@ -727,7 +731,10 @@ void mp_close_file (MP mp, void *f) {
int mp_eof_file (MP mp, void *f) {
(void) mp;
#if NOTTESTING
- return feof((FILE *)f);
+ if (f!=NULL)
+ return feof((FILE *)f);
+ else
+ return 1;
#else
return 0;
#endif
@@ -737,7 +744,8 @@ int mp_eof_file (MP mp, void *f) {
void mp_flush_file (MP mp, void *f) {
(void) mp;
#if NOTTESTING
- fflush((FILE *)f);
+ if (f!=NULL)
+ fflush((FILE *)f);
#endif
}
@@ -9517,27 +9525,39 @@ dash_y(hh)=dash_y(h)
@ |h| is an edge structure
@c
-mp_dash_object *mp_export_dashes (MP mp, pointer h) {
+mp_dash_object *mp_export_dashes (MP mp, pointer q, scaled *w) {
mp_dash_object *d;
- pointer p;
+ pointer p, h;
+ scaled scf; /* scale factor */
scaled *dashes = NULL;
int num_dashes = 1;
+ h = dash_p(q);
if (h==null || dash_list(h)==null_dash)
return NULL;
p = dash_list(h);
+ scf=mp_get_pen_scale(mp, pen_p(q));
+ if (scf==0) {
+ if (*w==0) scf = dash_scale(q); else return NULL;
+ } else {
+ scf=mp_make_scaled(mp, *w,scf);
+ scf=mp_take_scaled(mp, scf,dash_scale(q));
+ }
+ *w = scf;
d = mp_xmalloc(mp,1,sizeof(mp_dash_object));
start_x(null_dash)=start_x(p)+dash_y(h);
while (p != null_dash) {
dashes = mp_xrealloc(mp, dashes, num_dashes+2, sizeof(scaled));
- dashes[(num_dashes-1)] = (stop_x(p)-start_x(p));
- dashes[(num_dashes)] = (start_x(link(p))-stop_x(p));
+ dashes[(num_dashes-1)] =
+ mp_take_scaled(mp,(stop_x(p)-start_x(p)),scf);
+ dashes[(num_dashes)] =
+ mp_take_scaled(mp,(start_x(link(p))-stop_x(p)),scf);
dashes[(num_dashes+1)] = -1; /* terminus */
num_dashes+=2;
p=link(p);
}
d->array_field = dashes;
- d->offset_field = mp_dash_offset(mp, h);
- d->scale_field = dash_scale(h);
+ d->offset_field =
+ mp_take_scaled(mp,mp_dash_offset(mp, h),scf);
return d;
}
@@ -9590,8 +9610,6 @@ pointer mp_copy_objects (MP mp, pointer p, pointer q) {
}
@ @<Fix anything in graphical object |pp| that should differ from the...@>=
-if ( pre_script(p)!=null ) add_str_ref(pre_script(p));
-if ( post_script(p)!=null ) add_str_ref(post_script(p));
switch (type(p)) {
case mp_start_clip_code:
case mp_start_bounds_code:
@@ -9599,14 +9617,20 @@ case mp_start_bounds_code:
break;
case mp_fill_code:
path_p(pp)=mp_copy_path(mp, path_p(p));
+ if ( pre_script(p)!=null ) add_str_ref(pre_script(p));
+ if ( post_script(p)!=null ) add_str_ref(post_script(p));
if ( pen_p(p)!=null ) pen_p(pp)=copy_pen(pen_p(p));
break;
case mp_stroked_code:
+ if ( pre_script(p)!=null ) add_str_ref(pre_script(p));
+ if ( post_script(p)!=null ) add_str_ref(post_script(p));
path_p(pp)=mp_copy_path(mp, path_p(p));
pen_p(pp)=copy_pen(pen_p(p));
if ( dash_p(p)!=null ) add_edge_ref(dash_p(pp));
break;
case mp_text_code:
+ if ( pre_script(p)!=null ) add_str_ref(pre_script(p));
+ if ( post_script(p)!=null ) add_str_ref(post_script(p));
add_str_ref(text_p(pp));
break;
case mp_stop_clip_code:
@@ -10376,7 +10400,7 @@ integer spec_offset; /* number of pen edges between |h| and the initial offset *
@ @c @<Declare subroutines needed by |offset_prep|@>
pointer mp_offset_prep (MP mp,pointer c, pointer h) {
halfword n; /* the number of vertices in the pen polygon */
- pointer p,q,q0,r,w, ww; /* for list manipulation */
+ pointer c0,p,q,q0,r,w, ww; /* for list manipulation */
integer k_needed; /* amount to be added to |info(p)| when it is computed */
pointer w0; /* a pointer to pen offset to use just before |p| */
scaled dxin,dyin; /* the direction into knot |p| */
@@ -10385,7 +10409,7 @@ pointer mp_offset_prep (MP mp,pointer c, pointer h) {
dx0=0; dy0=0;
@<Initialize the pen size~|n|@>;
@<Initialize the incoming direction and pen offset at |c|@>;
- p=c; k_needed=0;
+ p=c; c0=c; k_needed=0;
do {
q=link(p);
@<Split the cubic between |p| and |q|, if necessary, into cubics
@@ -10456,7 +10480,7 @@ do {
p=r;
} while (p!=q);
/* Check if we removed too much */
-if(q!=q0)
+if ((q!=q0)&&(q!=c||c==c0))
q = link(q)
@ @<Remove the cubic following |p| and update the data structures...@>=
@@ -23247,7 +23271,6 @@ void mp_do_write (MP mp) ;
@ @<Record the end of file on |wr_file[n]|@>=
{ (mp->close_file)(mp,mp->wr_file[n]);
xfree(mp->wr_fname[n]);
- mp->wr_fname[n]=NULL;
if ( n==mp->write_files-1 ) mp->write_files=n;
}
@@ -25218,6 +25241,7 @@ void mp_ship_out (MP mp, pointer h) ;
struct mp_edge_object *mp_gr_export(MP mp, pointer h) {
pointer p; /* the current graphical object */
integer t; /* a temporary value */
+ scaled d_width; /* the current pen width */
mp_edge_object *hh; /* the first graphical object */
struct mp_graphic_object *hq; /* something |hp| points to */
struct mp_text_object *tt;
@@ -25244,6 +25268,7 @@ struct mp_edge_object *mp_gr_export(MP mp, pointer h) {
case mp_fill_code:
tf = (mp_fill_object *)hq;
gr_pen_p(tf) = mp_export_knot_list(mp,pen_p(p));
+ d_width = mp_get_pen_scale(mp, pen_p(p));
if ((pen_p(p)==null) || pen_is_elliptical(pen_p(p))) {
gr_path_p(tf) = mp_export_knot_list(mp,path_p(p));
} else {
@@ -25265,6 +25290,7 @@ struct mp_edge_object *mp_gr_export(MP mp, pointer h) {
case mp_stroked_code:
ts = (mp_stroked_object *)hq;
gr_pen_p(ts) = mp_export_knot_list(mp,pen_p(p));
+ d_width = mp_get_pen_scale(mp, pen_p(p));
if (pen_is_elliptical(pen_p(p))) {
gr_path_p(ts) = mp_export_knot_list(mp,path_p(p));
} else {
@@ -25286,7 +25312,7 @@ struct mp_edge_object *mp_gr_export(MP mp, pointer h) {
gr_ljoin_val(ts) = ljoin_val(p);
gr_miterlim_val(ts) = miterlim_val(p);
gr_lcap_val(ts) = lcap_val(p);
- gr_dash_p(ts) = mp_export_dashes(mp,dash_p(p));
+ gr_dash_p(ts) = mp_export_dashes(mp,p,&d_width);
break;
case mp_text_code:
tt = (mp_text_object *)hq;
@@ -25666,6 +25692,7 @@ for (k=p;k<=mp->lo_mem_max;k++ )
undump_wd(mp->mem[k]);
undump(mp->lo_mem_max+1,hi_mem_stat_min,mp->hi_mem_min);
undump(null,mp->mem_top,mp->avail); mp->mem_end=mp->mem_top;
+mp->last_pending=spec_head;
for (k=mp->hi_mem_min;k<= mp->mem_end;k++)
undump_wd(mp->mem[k]);
undump_int(mp->var_used); undump_int(mp->dyn_used)
@@ -25841,6 +25868,7 @@ if (mp->rd_fname!=NULL) {
for (k=0;k<=(int)mp->read_files-1;k++ ) {
if ( mp->rd_fname[k]!=NULL ) {
(mp->close_file)(mp,mp->rd_file[k]);
+ xfree(mp->rd_fname[k]);
}
}
}
@@ -25848,6 +25876,7 @@ if (mp->wr_fname!=NULL) {
for (k=0;k<=(int)mp->write_files-1;k++) {
if ( mp->wr_fname[k]!=NULL ) {
(mp->close_file)(mp,mp->wr_file[k]);
+ xfree(mp->wr_fname[k]);
}
}
}
@@ -25856,19 +25885,19 @@ if (mp->wr_fname!=NULL) {
for (k=0;k<(int)mp->max_read_files;k++ ) {
if ( mp->rd_fname[k]!=NULL ) {
(mp->close_file)(mp,mp->rd_file[k]);
- mp_xfree(mp->rd_fname[k]);
+ xfree(mp->rd_fname[k]);
}
}
-mp_xfree(mp->rd_file);
-mp_xfree(mp->rd_fname);
+xfree(mp->rd_file);
+xfree(mp->rd_fname);
for (k=0;k<(int)mp->max_write_files;k++) {
if ( mp->wr_fname[k]!=NULL ) {
(mp->close_file)(mp,mp->wr_file[k]);
- mp_xfree(mp->wr_fname[k]);
+ xfree(mp->wr_fname[k]);
}
}
-mp_xfree(mp->wr_file);
-mp_xfree(mp->wr_fname);
+xfree(mp->wr_file);
+xfree(mp->wr_fname);
@ We want to produce a \.{TFM} file if and only if |mp_fontmaking| is positive.
diff --git a/Build/source/texk/web2c/luatexdir/lua/psout.w b/Build/source/texk/web2c/luatexdir/lua/psout.w
index 4a3f588ef7f..90cf6923e01 100644
--- a/Build/source/texk/web2c/luatexdir/lua/psout.w
+++ b/Build/source/texk/web2c/luatexdir/lua/psout.w
@@ -4405,12 +4405,9 @@ format, it is closely modelled to the PostScript model. The array of
dashes is ended by a single negative value, because this is not
allowed in PostScript.
-@d gr_dash_scale(A) (gr_dash_p(A))->scale_field
-
@<Types...@>=
typedef struct {
scaled offset_field;
- scaled scale_field;
scaled *array_field;
} mp_dash_object ;
@@ -4707,7 +4704,6 @@ void mp_gr_fix_graphics_state (MP mp, mp_graphic_object *p) {
scaled wx,wy,ww; /* dimensions of pen bounding box */
boolean adj_wx; /* whether pixel rounding should be based on |wx| or |wy| */
integer tx,ty; /* temporaries for computing |adj_wx| */
- scaled scf; /* a scale factor for the dash pattern */
if ( gr_has_color(p) )
@<Make sure \ps\ will use the right color for object~|p|@>;
if ( (gr_type(p)==mp_fill_code)||(gr_type(p)==mp_stroked_code) ) {
@@ -4980,13 +4976,6 @@ if ( gr_type(p)==mp_fill_code || gr_dash_p(p) == NULL) {
hh=NULL;
} else {
hh=gr_dash_p(p);
- scf=mp_gr_get_pen_scale(mp, gr_pen_p((mp_fill_object *)p));
- if ( scf==0 ) {
- if ( gs_width==0 ) scf=hh->scale_field; else hh=NULL;
- } else {
- scf=mp_make_scaled(mp, gs_width,scf);
- scf=mp_take_scaled(mp, scf, (hh == NULL ? unity : gr_dash_scale(p)));
- }
}
if ( hh==NULL ) {
if ( gs_dash_p!=NULL || gs_dash_init_done == false) {
@@ -5038,9 +5027,6 @@ boolean mp_gr_same_dashes (mp_dash_object *h, mp_dash_object *hh) ;
@ This function test if |h| and |hh| represent the same dash pattern.
-The |scale_field| is ignored in this test because it is not really
-a property of the PostScript format of a dash pattern.
-
@c
boolean mp_gr_same_dashes (mp_dash_object *h, mp_dash_object *hh) {
boolean ret=false;
@@ -5496,9 +5482,12 @@ void mp_gr_ship_out (mp_edge_object *hh, int prologues, int procset) {
case mp_start_bounds_code:
case mp_stop_bounds_code:
break;
- case mp_special_code:
- mp_ps_print_nl (mp, gr_pre_script((mp_special_object *)p));
- mp_ps_print_ln (mp);
+ case mp_special_code:
+ {
+ mp_special_object *ps = (mp_special_object *)p;
+ mp_ps_print_nl (mp, gr_pre_script(ps));
+ mp_ps_print_ln (mp);
+ }
break;
} /* all cases are enumerated */
p=gr_link(p);
diff --git a/Build/source/texk/web2c/luatexdir/luatex.web b/Build/source/texk/web2c/luatexdir/luatex.web
index b1c977706ff..99fe08e72a9 100644
--- a/Build/source/texk/web2c/luatexdir/luatex.web
+++ b/Build/source/texk/web2c/luatexdir/luatex.web
@@ -243,8 +243,8 @@ known as `\eTeX'.
@d pdftex_version_string=='-2.00.0' {current \pdfTeX\ version}
@#
@d luatex_version==25 { \.{\\luatexversion} }
-@d luatex_revision=="1" { \.{\\luatexrevision} }
-@d luatex_version_string=='snapshot-0.25.1' {current \LuaTeX\ version}
+@d luatex_revision=="3" { \.{\\luatexrevision} }
+@d luatex_version_string=='snapshot-0.25.3' {current \LuaTeX\ version}
@d luatex_date_info==-extra_version_info { the compile date is negated }
@#
@d luaTeX_banner=='This is LuaTeX, Version ',luatex_version_string,extra_version_info
@@ -10908,8 +10908,8 @@ at the value |p| that is returned. (If |p=temp_token_head|, the list is empty.)
|lua_str_toks| is almost identical, but it also escapes the three
symbols that |lua| considers special while scanning a literal string
-@d unicode_incr(#)==if str_pool[#]>@"F0 then #:=#+4 else if str_pool[#]>@"E0
- then #:=#+3 else if str_pool[#]>@"C0 then #:=#+2 else incr(#)
+@d unicode_incr(#)==if str_pool[#]>=@"F0 then #:=#+4 else if str_pool[#]>=@"E0
+ then #:=#+3 else if str_pool[#]>=@"C0 then #:=#+2 else incr(#)
@p @t\4@>@<Declare \eTeX\ procedures for token lists@>@;@/
@@ -16318,15 +16318,15 @@ var w, s_out: scaled;
begin
w := char_width(f,c);
if hasfmentry(f) then begin
- if pdf_cur_Tm_a = 0 then begin
- call_func(divide_scaled_n(w, pdf_font_size(f),10000.0));
+ if pdf_cur_Tm_a = 1000 then begin
+ call_func(divide_scaled_n(w, pdf_font_size(f), 10000.0));
pdf_delta_h := pdf_delta_h + scaled_out;
end
else begin
- s := divide_scaled_n(round_xn_over_d(w, 1000, 1000 + pdf_cur_Tm_a),
- pdf_font_size(f),10000.0);
+ s := divide_scaled_n(round_xn_over_d(w, 1000, pdf_cur_Tm_a),
+ pdf_font_size(f), 10000.0);
s_out := round_xn_over_d(round_xn_over_d(pdf_font_size(f), abs(s), 10000),
- 1000 + pdf_cur_Tm_a, 1000);
+ pdf_cur_Tm_a, 1000);
if s < 0 then
s_out := -s_out;
pdf_delta_h := pdf_delta_h + s_out;
@@ -16378,12 +16378,12 @@ end;
@!pdf_output_value: integer;
@!pdf_draftmode_option: integer;
@!pdf_draftmode_value: integer;
-@!pdf_cur_Tm_a: integer; {|a| value of the current text matrix, ie the current
- horizontal scaling factor}
+@!pdf_cur_Tm_a: integer; {value |a| of the current text matrix, i.e.,
+ the current horizontal scaling factor}
+@!pdf_cur_Tm_c: integer; {value |c| of the current text matrix, i.e., slant (skew, obliqueness)}
@!pdf_last_f: internal_font_number; {last font in PDF output page}
@!pdf_last_fs: internal_font_number; {last font size in PDF output page}
-
@ Following procedures implement low-level subroutines to convert \TeX{}
internal structures to PDF page description.
@@ -16434,19 +16434,26 @@ end;
procedure pdf_set_textmatrix(v, v_out: scaled; f: internal_font_number);
{set the next starting point to |cur_h|, |cur_v|}
-var pdf_new_Tm_a: integer; {|a| value of the new text matrix}
+var pdf_new_Tm_a, pdf_new_Tm_c: integer; {values |a| and |c| of the new text matrix}
begin
pdf_out(" ");
- if f = pdf_f then
- pdf_new_Tm_a := pdf_cur_Tm_a
- else if not pdf_font_auto_expand(f) then
- pdf_new_Tm_a := 0
- else
- pdf_new_Tm_a := pdf_font_expand_ratio(f);
- if (pdf_new_Tm_a <> 0) or
- ((pdf_new_Tm_a = 0) and (pdf_cur_Tm_a <> 0)) then begin
- pdf_print_real(1000 + pdf_new_Tm_a, 3);
- pdf_print(" 0 0 1 ");
+ if f = pdf_f then begin
+ pdf_new_Tm_a := pdf_cur_Tm_a;
+ pdf_new_Tm_c := pdf_cur_Tm_c;
+ end else begin
+ if pdf_font_auto_expand(f) then
+ pdf_new_Tm_a := 1000 + pdf_font_expand_ratio(f)
+ else
+ pdf_new_Tm_a := 1000;
+ pdf_new_Tm_c := 0 * font_slant(f); {don't activate it yet, needs fixing writefont.c etc.}
+ end;
+ if (pdf_new_Tm_a <> 1000) or (pdf_cur_Tm_a <> 1000)
+ or (pdf_new_Tm_c <> 0) or (pdf_cur_Tm_c <> 0)
+ then begin
+ pdf_print_real(pdf_new_Tm_a, 3);
+ pdf_print(" 0 ");
+ pdf_print_real(pdf_new_Tm_c, 3);
+ pdf_print(" 1 ");
pdf_print_bp(cur_h - pdf_origin_h);
pdf_h := pdf_origin_h + scaled_out;
pdf_out(" ");
@@ -16454,7 +16461,8 @@ begin
pdf_v := pdf_origin_v - scaled_out;
pdf_print(" Tm");
pdf_cur_Tm_a := pdf_new_Tm_a;
- pdfassert(pdf_cur_Tm_a > -1000);
+ pdf_cur_Tm_c := pdf_new_Tm_c;
+ pdfassert(pdf_cur_Tm_a > 0);
end else begin
pdf_print_bp(cur_h - pdf_tj_start_h); {works only for unexpanded fonts}
pdf_h := pdf_tj_start_h + scaled_out;
@@ -16582,7 +16590,8 @@ begin
pdf_last_f := null_font;
pdf_last_fs := 0;
pdf_doing_string := false;
- pdf_cur_Tm_a := 0;
+ pdf_cur_Tm_a := 1000;
+ pdf_cur_Tm_c := 0;
end;
@ @p
@@ -16596,18 +16605,16 @@ begin s_out:=0;
pdf_end_string;
pdf_set_font(f);
end;
- if pdf_cur_Tm_a = 0 then begin
- s := divide_scaled_n(cur_h - (pdf_tj_start_h + pdf_delta_h), pdf_font_size(f),1000.0);
+ if pdf_cur_Tm_a = 1000 then begin
+ s := divide_scaled_n(cur_h - (pdf_tj_start_h + pdf_delta_h), pdf_font_size(f), 1000.0);
s_out := scaled_out;
end
else begin
s := divide_scaled_n(round_xn_over_d(cur_h - (pdf_tj_start_h + pdf_delta_h), 1000,
- 1000 + pdf_cur_Tm_a),
- pdf_font_size(f),
- 1000.0);
+ pdf_cur_Tm_a), pdf_font_size(f), 1000.0);
if abs(s) < @'100000 then begin
s_out := round_xn_over_d(round_xn_over_d(pdf_font_size(f), abs(s), 1000),
- 1000 + pdf_cur_Tm_a, 1000);
+ pdf_cur_Tm_a, 1000);
if s < 0 then
s_out := -s_out;
end;
@@ -27630,7 +27637,7 @@ by causing its width to be zero.
begin if (e<>0)and((w-total_shrink[normal]+q<=z)or@|
(total_shrink[sfi]<>0)or(total_shrink[fil]<>0)or
(total_shrink[fill]<>0)or(total_shrink[filll]<>0)) then
- begin flush_node(b);
+ begin list_ptr(b):=null; flush_node(b);
b:=hpack(p,z-q,exactly);
end
else begin e:=0;
@@ -34782,7 +34789,7 @@ var q:pointer;
begin
q := box(j);
get_tex_box_width := 0;
- if q <> min_halfword then
+ if q <> null then
get_tex_box_width := width(q);
end;
@@ -34791,7 +34798,7 @@ var q:pointer;
begin
q := box(j);
set_tex_box_width := 0;
- if q <> min_halfword then
+ if q <> null then
width(q) := v
else
set_tex_box_width := 1;
@@ -34802,7 +34809,7 @@ var q:pointer;
begin
q := box(j);
get_tex_box_height := 0;
- if q <> min_halfword then
+ if q <> null then
get_tex_box_height := height(q);
end;
@@ -34811,7 +34818,7 @@ var q:pointer;
begin
q := box(j);
set_tex_box_height := 0;
- if q <> min_halfword then
+ if q <> null then
height(q) := v
else
set_tex_box_height := 1;
@@ -34822,7 +34829,7 @@ var q:pointer;
begin
q := box(j);
get_tex_box_depth := 0;
- if q <> min_halfword then
+ if q <> null then
get_tex_box_depth := depth(q);
end;
@@ -34831,7 +34838,7 @@ var q:pointer;
begin
q := box(j);
set_tex_box_depth := 0;
- if q <> min_halfword then
+ if q <> null then
depth(q) := v
else
set_tex_box_depth := 1;
diff --git a/Build/source/texk/web2c/luatexdir/tex/linebreak.c b/Build/source/texk/web2c/luatexdir/tex/linebreak.c
index 910d26b9f27..768d1999af8 100644
--- a/Build/source/texk/web2c/luatexdir/tex/linebreak.c
+++ b/Build/source/texk/web2c/luatexdir/tex/linebreak.c
@@ -1,4 +1,4 @@
-/* $Id: linebreak.c 1102 2008-03-11 09:52:54Z taco $ */
+/* $Id: linebreak.c 1168 2008-04-15 13:43:34Z taco $ */
#include "luatex-api.h"
#include <ptexlib.h>
@@ -12,29 +12,31 @@
prevents this error message from appearing more than once per paragraph.
*/
-#define check_shrinkage(a) \
- if ((shrink_order((a))!=normal)&&(shrink((a))!=0)) \
+#define check_shrinkage(a) \
+ if ((shrink_order((a))!=normal)&&(shrink((a))!=0)) \
a=finite_shrink((a))
-static boolean no_shrink_error_yet; /*have we complained about infinite shrinkage?*/
-
-halfword
-finite_shrink(halfword p) { /* recovers from infinite shrinkage */
- halfword q; /*new glue specification*/
- char *hlp[] = {
- "The paragraph just ended includes some glue that has",
- "infinite shrinkability, e.g., `\\hskip 0pt minus 1fil'.",
- "Such glue doesn't belong there---it allows a paragraph",
- "of any length to fit on one line. But it's safe to proceed,",
- "since the offensive shrinkability has been made finite.",
- NULL };
- if (no_shrink_error_yet) {
- no_shrink_error_yet=false;
- tex_error("Infinite glue shrinkage found in a paragraph",hlp);
- }
- q=new_spec(p); shrink_order(q)=normal;
- delete_glue_ref(p);
- return q;
+static boolean no_shrink_error_yet; /*have we complained about infinite shrinkage? */
+
+halfword finite_shrink(halfword p)
+{ /* recovers from infinite shrinkage */
+ halfword q; /*new glue specification */
+ char *hlp[] = {
+ "The paragraph just ended includes some glue that has",
+ "infinite shrinkability, e.g., `\\hskip 0pt minus 1fil'.",
+ "Such glue doesn't belong there---it allows a paragraph",
+ "of any length to fit on one line. But it's safe to proceed,",
+ "since the offensive shrinkability has been made finite.",
+ NULL
+ };
+ if (no_shrink_error_yet) {
+ no_shrink_error_yet = false;
+ tex_error("Infinite glue shrinkage found in a paragraph", hlp);
+ }
+ q = new_spec(p);
+ shrink_order(q) = normal;
+ delete_glue_ref(p);
+ return q;
}
/* A pointer variable |cur_p| runs through the given horizontal list as we look
@@ -60,168 +62,177 @@ finite_shrink(halfword p) { /* recovers from infinite shrinkage */
stretchability and set |final_pass=true|.
*/
-static boolean second_pass; /* is this our second attempt to break this paragraph? */
-static boolean final_pass; /*is this our final attempt to break this paragraph? */
-static integer threshold; /* maximum badness on feasible lines */
+static boolean second_pass; /* is this our second attempt to break this paragraph? */
+static boolean final_pass; /*is this our final attempt to break this paragraph? */
+static integer threshold; /* maximum badness on feasible lines */
/* skipable nodes at the margins during character protrusion */
-#define cp_skipable(a) ((! is_char_node((a))) && \
- ((type((a)) == ins_node) \
- || (type((a)) == mark_node) \
- || (type((a)) == adjust_node) \
- || (type((a)) == penalty_node) \
- || ((type((a)) == whatsit_node) && \
- (subtype((a)) != pdf_refximage_node) && \
- (subtype((a)) != pdf_refxform_node)) \
- /* reference to an image or XObject form */ \
- || ((type((a)) == disc_node) && \
- (vlink_pre_break(a) == null) && \
- (vlink_post_break(a) == null) && \
- (vlink_no_break(a) == null)) \
- /* an empty |disc_node| */ \
- || ((type((a)) == math_node) && \
- (surround((a)) == 0)) \
- || ((type((a)) == kern_node) && \
- ((width((a)) == 0) || \
- (subtype((a)) == normal))) \
- || ((type((a)) == glue_node) && \
- (glue_ptr((a)) == zero_glue)) \
- || ((type((a)) == hlist_node) && \
- (width((a)) == 0) && \
- (height((a)) == 0) && \
- (depth((a)) == 0) && \
- (list_ptr((a)) == null)) \
- ))
+#define cp_skipable(a) ((! is_char_node((a))) && \
+ ((type((a)) == ins_node) \
+ || (type((a)) == mark_node) \
+ || (type((a)) == adjust_node) \
+ || (type((a)) == penalty_node) \
+ || ((type((a)) == whatsit_node) && \
+ (subtype((a)) != pdf_refximage_node) && \
+ (subtype((a)) != pdf_refxform_node)) \
+ /* reference to an image or XObject form */ \
+ || ((type((a)) == disc_node) && \
+ (vlink_pre_break(a) == null) && \
+ (vlink_post_break(a) == null) && \
+ (vlink_no_break(a) == null)) \
+ /* an empty |disc_node| */ \
+ || ((type((a)) == math_node) && \
+ (surround((a)) == 0)) \
+ || ((type((a)) == kern_node) && \
+ ((width((a)) == 0) || \
+ (subtype((a)) == normal))) \
+ || ((type((a)) == glue_node) && \
+ (glue_ptr((a)) == zero_glue)) \
+ || ((type((a)) == hlist_node) && \
+ (width((a)) == 0) && \
+ (height((a)) == 0) && \
+ (depth((a)) == 0) && \
+ (list_ptr((a)) == null)) \
+ ))
/* maximum fill level for |hlist_stack|*/
-#define max_hlist_stack 512 /* maybe good if larger than |2 *
- max_quarterword|, so that box nesting
- level would overflow first */
+#define max_hlist_stack 512 /* maybe good if larger than |2 *
+ max_quarterword|, so that box nesting
+ level would overflow first */
/* stack for |find_protchar_left()| and |find_protchar_right()| */
-static halfword hlist_stack[max_hlist_stack];
+static halfword hlist_stack[max_hlist_stack];
/* fill level for |hlist_stack| */
-static short hlist_stack_level = 0;
+static short hlist_stack_level = 0;
-void push_node(halfword p) {
- if (hlist_stack_level >= max_hlist_stack)
- pdf_error("push_node", "stack overflow");
- hlist_stack[hlist_stack_level++] = p;
+void push_node(halfword p)
+{
+ if (hlist_stack_level >= max_hlist_stack)
+ pdf_error(maketexstring("push_node"), maketexstring("stack overflow"));
+ hlist_stack[hlist_stack_level++] = p;
}
-halfword pop_node (void) {
- if (hlist_stack_level <= 0) /* would point to some bug */
- pdf_error("pop_node", "stack underflow (internal error)");
- return hlist_stack[--hlist_stack_level];
+halfword pop_node(void)
+{
+ if (hlist_stack_level <= 0) /* would point to some bug */
+ pdf_error(maketexstring("pop_node"),
+ maketexstring("stack underflow (internal error)"));
+ return hlist_stack[--hlist_stack_level];
}
#define null_font 0
-static integer max_stretch_ratio=0; /*maximal stretch ratio of expanded fonts*/
-static integer max_shrink_ratio=0; /*maximal shrink ratio of expanded fonts*/
-static integer cur_font_step=0; /*the current step of expanded fonts*/
-
-
-boolean check_expand_pars(internal_font_number f) {
- internal_font_number k;
-
- if ((pdf_font_step(f) == 0) || ((pdf_font_stretch(f) == null_font) &&
- (pdf_font_shrink(f) == null_font)))
- return false;
- if (cur_font_step < 0)
- cur_font_step = pdf_font_step(f);
- else if (cur_font_step != pdf_font_step(f))
- pdf_error("font expansion",
- "using fonts with different step of expansion in one paragraph is not allowed");
- k = pdf_font_stretch(f);
- if( k != null_font) {
- if (max_stretch_ratio < 0)
- max_stretch_ratio = pdf_font_expand_ratio(k);
- else if (max_stretch_ratio != pdf_font_expand_ratio(k))
- pdf_error("font expansion",
- "using fonts with different limit of expansion in one paragraph is not allowed");
- }
- k = pdf_font_shrink(f);
- if( k != null_font) {
- if (max_shrink_ratio < 0)
- max_shrink_ratio = -pdf_font_expand_ratio(k);
- else if (max_shrink_ratio != -pdf_font_expand_ratio(k))
- pdf_error("font expansion",
- "using fonts with different limit of expansion in one paragraph is not allowed");
- }
- return true;
+static integer max_stretch_ratio = 0; /*maximal stretch ratio of expanded fonts */
+static integer max_shrink_ratio = 0; /*maximal shrink ratio of expanded fonts */
+static integer cur_font_step = 0; /*the current step of expanded fonts */
+
+
+boolean check_expand_pars(internal_font_number f)
+{
+ internal_font_number k;
+
+ if ((pdf_font_step(f) == 0) || ((pdf_font_stretch(f) == null_font) &&
+ (pdf_font_shrink(f) == null_font)))
+ return false;
+ if (cur_font_step < 0)
+ cur_font_step = pdf_font_step(f);
+ else if (cur_font_step != pdf_font_step(f))
+ pdf_error(maketexstring("font expansion"),
+ maketexstring
+ ("using fonts with different step of expansion in one paragraph is not allowed"));
+ k = pdf_font_stretch(f);
+ if (k != null_font) {
+ if (max_stretch_ratio < 0)
+ max_stretch_ratio = pdf_font_expand_ratio(k);
+ else if (max_stretch_ratio != pdf_font_expand_ratio(k))
+ pdf_error(maketexstring("font expansion"),
+ maketexstring
+ ("using fonts with different limit of expansion in one paragraph is not allowed"));
+ }
+ k = pdf_font_shrink(f);
+ if (k != null_font) {
+ if (max_shrink_ratio < 0)
+ max_shrink_ratio = -pdf_font_expand_ratio(k);
+ else if (max_shrink_ratio != -pdf_font_expand_ratio(k))
+ pdf_error(maketexstring("font expansion"),
+ maketexstring
+ ("using fonts with different limit of expansion in one paragraph is not allowed"));
+ }
+ return true;
}
/* searches left to right from list head |l|, returns 1st non-skipable item*/
-/*public*/ halfword find_protchar_left(halfword l, boolean d) {
- halfword t;
- boolean run;
- if ((vlink(l) != null) && (type(l) == hlist_node) && (width(l) == 0)
- && (height(l) == 0) && (depth(l) == 0) && (list_ptr(l) == null)) {
- l = vlink(l); /*for paragraph start with \.{\\parindent = 0pt*/
- } else if (d) {
- while ((vlink(l) != null) && (!(is_char_node(l) || non_discardable(l)))) {
- l = vlink(l); /* std.\ discardables at line break, \TeX book, p 95 */
- }
- }
- hlist_stack_level = 0;
- run = true;
- do {
- t = l;
- while (run && (type(l) == hlist_node) && (list_ptr(l) != null)) {
- push_node(l);
- l = list_ptr(l);
- }
- while (run && cp_skipable(l)) {
- while ((vlink(l) == null) && (hlist_stack_level > 0)) {
- l = pop_node(); /* don't visit this node again */
- }
- if (vlink(l) != null)
- l = vlink(l);
- else if (hlist_stack_level == 0)
- run = false;
+/*public*/ halfword find_protchar_left(halfword l, boolean d)
+{
+ halfword t;
+ boolean run;
+ if ((vlink(l) != null) && (type(l) == hlist_node) && (width(l) == 0)
+ && (height(l) == 0) && (depth(l) == 0) && (list_ptr(l) == null)) {
+ l = vlink(l); /*for paragraph start with \.{\\parindent = 0pt */
+ } else if (d) {
+ while ((vlink(l) != null) && (!(is_char_node(l) || non_discardable(l)))) {
+ l = vlink(l); /* std.\ discardables at line break, \TeX book, p 95 */
+ }
}
- } while (t != l);
- return l;
+ hlist_stack_level = 0;
+ run = true;
+ do {
+ t = l;
+ while (run && (type(l) == hlist_node) && (list_ptr(l) != null)) {
+ push_node(l);
+ l = list_ptr(l);
+ }
+ while (run && cp_skipable(l)) {
+ while ((vlink(l) == null) && (hlist_stack_level > 0)) {
+ l = pop_node(); /* don't visit this node again */
+ }
+ if (vlink(l) != null)
+ l = vlink(l);
+ else if (hlist_stack_level == 0)
+ run = false;
+ }
+ } while (t != l);
+ return l;
}
/* searches right to left from list tail |r| to head |l|, returns 1st non-skipable item */
-/*public*/ halfword find_protchar_right(halfword l, halfword r) {
- halfword t;
- boolean run;
- if (r == null)
- return null;
- hlist_stack_level = 0;
- run = true;
- do {
- t = r;
- while (run && (type(r) == hlist_node) && (list_ptr(r) != null)) {
- push_node(l);
- push_node(r);
- l = list_ptr(r);
- r = l;
- while (vlink(r) != null) {
- halfword s = r;
- r = vlink(r);
- alink(r) = s;
- }
- }
- while (run && cp_skipable(r)) {
- while ((r == l) && (hlist_stack_level > 0)) {
- r = pop_node(); /* don't visit this node again */
- l = pop_node();
- }
- if ((r != l) && (r != null) ) {
- assert(vlink(alink(r))==r);
- r = alink(r);
- } else if ((r == l) && (hlist_stack_level == 0))
- run = false;
- }
- } while (t != r);
- return r;
+/*public*/ halfword find_protchar_right(halfword l, halfword r)
+{
+ halfword t;
+ boolean run;
+ if (r == null)
+ return null;
+ hlist_stack_level = 0;
+ run = true;
+ do {
+ t = r;
+ while (run && (type(r) == hlist_node) && (list_ptr(r) != null)) {
+ push_node(l);
+ push_node(r);
+ l = list_ptr(r);
+ r = l;
+ while (vlink(r) != null) {
+ halfword s = r;
+ r = vlink(r);
+ alink(r) = s;
+ }
+ }
+ while (run && cp_skipable(r)) {
+ while ((r == l) && (hlist_stack_level > 0)) {
+ r = pop_node(); /* don't visit this node again */
+ l = pop_node();
+ }
+ if ((r != l) && (r != null)) {
+ assert(vlink(alink(r)) == r);
+ r = alink(r);
+ } else if ((r == l) && (hlist_stack_level == 0))
+ run = false;
+ }
+ } while (t != r);
+ return r;
}
#define left_pw(a) char_pw((a), left_side)
@@ -232,30 +243,31 @@ boolean check_expand_pars(internal_font_number f) {
|cur_break(break_node(q))| and |p| is the leftmost resp. rightmost
node in the horizontal list representing the actual line */
-scaled total_pw (halfword first_p, halfword q, halfword p) {
- halfword l, r;
- l = (break_node(q) == null) ? first_p : cur_break(break_node(q));
- assert(vlink(alink(p))==p);
- r = alink(r);
- /* let's look at the right margin first */
- if ((p != null) && (type(p) == disc_node) && (vlink(pre_break(p)) != null)) {
- /* a |disc_node| with non-empty |pre_break|, protrude the last char of |pre_break| */
- r = vlink(pre_break(p));
- while (vlink(r) != null)
- r = vlink(r);
- } else {
- r = find_protchar_right(l, r);
- }
- /* now the left margin */
- if ((l != null) && (type(l) == disc_node)) {
- if (vlink(post_break(l)) != null) {
- l = vlink(post_break(l)); /* protrude the first char */
- goto DONE;
+scaled total_pw(halfword first_p, halfword q, halfword p)
+{
+ halfword l, r;
+ l = (break_node(q) == null) ? first_p : cur_break(break_node(q));
+ assert(vlink(alink(p)) == p);
+ r = alink(r);
+ /* let's look at the right margin first */
+ if ((p != null) && (type(p) == disc_node) && (vlink(pre_break(p)) != null)) {
+ /* a |disc_node| with non-empty |pre_break|, protrude the last char of |pre_break| */
+ r = vlink(pre_break(p));
+ while (vlink(r) != null)
+ r = vlink(r);
+ } else {
+ r = find_protchar_right(l, r);
}
- }
- l = find_protchar_left(l, true);
-DONE:
- return (left_pw(l) + right_pw(r));
+ /* now the left margin */
+ if ((l != null) && (type(l) == disc_node)) {
+ if (vlink(post_break(l)) != null) {
+ l = vlink(post_break(l)); /* protrude the first char */
+ goto DONE;
+ }
+ }
+ l = find_protchar_left(l, true);
+ DONE:
+ return (left_pw(l) + right_pw(r));
}
#endif
@@ -271,14 +283,14 @@ DONE:
*/
typedef enum {
- very_loose_fit = 0, /* fitness classification for lines stretching more than
- their stretchability */
- loose_fit, /* fitness classification for lines stretching 0.5 to 1.0 of their
- stretchability */
- decent_fit, /* fitness classification for all other lines*/
- tight_fit /* fitness classification for lines shrinking 0.5 to 1.0 of their
- shrinkability */
-} fitness_value ;
+ very_loose_fit = 0, /* fitness classification for lines stretching more than
+ their stretchability */
+ loose_fit, /* fitness classification for lines stretching 0.5 to 1.0 of their
+ stretchability */
+ decent_fit, /* fitness classification for all other lines */
+ tight_fit /* fitness classification for lines shrinking 0.5 to 1.0 of their
+ shrinkability */
+} fitness_value;
/* The algorithm essentially determines the best possible way to achieve
@@ -324,11 +336,11 @@ except that nodes with |line_number>easy_line| may be in any order relative
to each other.
*/
-void
-initialize_active (void) {
- type(active)=hyphenated_node;
- line_number(active)=max_halfword;
- subtype(active)=0; /* the |subtype| is never examined */
+void initialize_active(void)
+{
+ type(active) = hyphenated_node;
+ line_number(active) = max_halfword;
+ subtype(active) = 0; /* the |subtype| is never examined */
}
/* The passive node for a given breakpoint contains EIGHT fields:
@@ -356,9 +368,9 @@ is used to help print out the paragraph when detailed information about
the line-breaking computation is being displayed.
*/
-static halfword passive; /* most recent node on passive list */
-static halfword printed_node; /*most recent node that has been printed*/
-static halfword pass_number; /*the number of passive nodes allocated on this pass*/
+static halfword passive; /* most recent node on passive list */
+static halfword printed_node; /*most recent node that has been printed */
+static halfword pass_number; /*the number of passive nodes allocated on this pass */
/*
@ The active list also contains ``delta'' nodes that help the algorithm
@@ -398,15 +410,15 @@ macro makes such six-tuples convenient.
#define save_active_width(a) prev_active_width[(a)] = active_width[(a)]
#define restore_active_width(a) active_width[(a)] = prev_active_width[(a)]
-static scaled active_width[10] = {0}; /*distance from first active node to~|cur_p|*/
-static scaled background[10] = {0}; /*length of an ``empty'' line*/
-static scaled break_width[10] = {0}; /*length being computed after current break*/
+static scaled active_width[10] = { 0 }; /*distance from first active node to~|cur_p| */
+static scaled background[10] = { 0 }; /*length of an ``empty'' line */
+static scaled break_width[10] = { 0 }; /*length being computed after current break */
-static boolean auto_breaking; /*make |auto_breaking| accessible out of |line_break|*/
-static boolean try_prev_break; /*force break at the previous legal breakpoint?*/
-static halfword prev_legal; /*the previous legal breakpoint*/
-static halfword rejected_cur_p; /*the last |cur_p| that has been rejected*/
-static boolean before_rejected_cur_p; /*|cur_p| is still before |rejected_cur_p|?*/
+static boolean auto_breaking; /*make |auto_breaking| accessible out of |line_break| */
+static boolean try_prev_break; /*force break at the previous legal breakpoint? */
+static halfword prev_legal; /*the previous legal breakpoint */
+static halfword rejected_cur_p; /*the last |cur_p| that has been rejected */
+static boolean before_rejected_cur_p; /*|cur_p| is still before |rejected_cur_p|? */
/* Let's state the principles of the delta nodes more precisely and concisely,
so that the following programs will be less obscure. For each legal
@@ -467,16 +479,16 @@ static boolean before_rejected_cur_p; /*|cur_p| is still before |rejected_cur_p|
-static integer internal_pen_inter; /* running \.{\\localinterlinepenalty} */
-static integer internal_pen_broken; /* running \.{\\localbrokenpenalty} */
-static halfword internal_left_box; /* running \.{\\localleftbox} */
+static integer internal_pen_inter; /* running \.{\\localinterlinepenalty} */
+static integer internal_pen_broken; /* running \.{\\localbrokenpenalty} */
+static halfword internal_left_box; /* running \.{\\localleftbox} */
static integer internal_left_box_width; /* running \.{\\localleftbox} width */
static halfword init_internal_left_box; /* running \.{\\localleftbox} */
-static integer init_internal_left_box_width; /* running \.{\\localleftbox} width */
-static halfword internal_right_box; /* running \.{\\localrightbox} */
-static integer internal_right_box_width; /* running \.{\\localrightbox} width */
+static integer init_internal_left_box_width; /* running \.{\\localleftbox} width */
+static halfword internal_right_box; /* running \.{\\localrightbox} */
+static integer internal_right_box_width; /* running \.{\\localrightbox} width */
-static scaled disc_width [10] = {0}; /* the length of discretionary material preceding a break*/
+static scaled disc_width[10] = { 0 }; /* the length of discretionary material preceding a break */
/* As we consider various ways to end a line at |cur_p|, in a given line number
class, we keep track of the best total demerits known, in an array with
@@ -492,12 +504,12 @@ static scaled disc_width [10] = {0}; /* the length of discretionary material pre
*/
-static integer minimal_demerits[4]; /* best total demerits known for current
- line class and position, given the fitness */
-static integer minimum_demerits; /* best total demerits known for current line class
- and position */
-static halfword best_place[4]; /* how to achieve |minimal_demerits| */
-static halfword best_pl_line[4]; /*corresponding line number*/
+static integer minimal_demerits[4]; /* best total demerits known for current
+ line class and position, given the fitness */
+static integer minimum_demerits; /* best total demerits known for current line class
+ and position */
+static halfword best_place[4]; /* how to achieve |minimal_demerits| */
+static halfword best_pl_line[4]; /*corresponding line number */
/*
@@ -518,21 +530,21 @@ Note that if |hang_indent=0|, the value of |hang_after| is irrelevant.
@^length of lines@> @^hanging indentation@>
*/
-static halfword easy_line; /*line numbers |>easy_line| are equivalent in break nodes*/
-static halfword last_special_line; /*line numbers |>last_special_line| all have the same width */
-static scaled first_width; /*the width of all lines |<=last_special_line|, if
- no \.{\\parshape} has been specified*/
-static scaled second_width; /*the width of all lines |>last_special_line|*/
-static scaled first_indent; /*left margin to go with |first_width|*/
-static scaled second_indent; /*left margin to go with |second_width|*/
+static halfword easy_line; /*line numbers |>easy_line| are equivalent in break nodes */
+static halfword last_special_line; /*line numbers |>last_special_line| all have the same width */
+static scaled first_width; /*the width of all lines |<=last_special_line|, if
+ no \.{\\parshape} has been specified */
+static scaled second_width; /*the width of all lines |>last_special_line| */
+static scaled first_indent; /*left margin to go with |first_width| */
+static scaled second_indent; /*left margin to go with |second_width| */
-static halfword best_bet; /*use this passive node and its predecessors */
-static integer fewest_demerits; /*the demerits associated with |best_bet|*/
-static halfword best_line; /*line number following the last line of the new paragraph*/
-static integer actual_looseness; /*the difference between |line_number(best_bet)|
- and the optimum |best_line|*/
-static integer line_diff; /*the difference between the current line number and
- the optimum |best_line|*/
+static halfword best_bet; /*use this passive node and its predecessors */
+static integer fewest_demerits; /*the demerits associated with |best_bet| */
+static halfword best_line; /*line number following the last line of the new paragraph */
+static integer actual_looseness; /*the difference between |line_number(best_bet)|
+ and the optimum |best_line| */
+static integer line_diff; /*the difference between the current line number and
+ the optimum |best_line| */
@@ -551,7 +563,7 @@ static integer line_diff; /*the difference between the current line number and
#define store_background(a) {active_width[a]=background[a];}
-#define act_width active_width[1] /*length from first active node to current node*/
+#define act_width active_width[1] /*length from first active node to current node */
#define kern_break() { \
if ((!is_char_node(vlink(cur_p))) && auto_breaking) \
@@ -581,17 +593,17 @@ static integer line_diff; /*the difference between the current line number and
} \
}
-#define inf_bad 10000 /* infinitely bad value */
+#define inf_bad 10000 /* infinitely bad value */
-static boolean do_last_line_fit; /* special algorithm for last line of paragraph? */
-static scaled fill_width[4]; /* infinite stretch components of |par_fill_skip| */
+static boolean do_last_line_fit; /* special algorithm for last line of paragraph? */
+static scaled fill_width[4]; /* infinite stretch components of |par_fill_skip| */
static scaled best_pl_short[4]; /* |shortfall| corresponding to |minimal_demerits| */
-static scaled best_pl_glue[4]; /*corresponding glue stretch or shrink */
+static scaled best_pl_glue[4]; /*corresponding glue stretch or shrink */
-#define awful_bad 07777777777 /* more than a billion demerits */
+#define awful_bad 07777777777 /* more than a billion demerits */
-#define before 0 /* |subtype| for math node that introduces a formula */
-#define after 1 /* |subtype| for math node that winds up a formula */
+#define before 0 /* |subtype| for math node that introduces a formula */
+#define after 1 /* |subtype| for math node that winds up a formula */
#define reset_disc_width(a) disc_width[(a)] = 0
@@ -636,241 +648,250 @@ static scaled best_pl_glue[4]; /*corresponding glue stretch or shrink */
disc_width[]
line_break_dir
*/
-static void
-compute_break_width (int break_type, int pdf_adjust_spacing, halfword p
- /*, halfword s*/) {
- halfword s; /* glue and other 'whitespace' to be skipped after a break
- * used if unhyphenated, or post_break==empty */
- s=p;
- if (break_type>unhyphenated_node && p!=null) {
- /*@<Compute the discretionary |break_width| values@>;*/
- /* When |p| is a discretionary break, the length of a line
- ``from |p| to |p|'' has to be defined properly so
- that the other calculations work out. Suppose that the
- pre-break text at |p| has length $l_0$, the post-break
- text has length $l_1$, and the replacement text has length
- |l|. Suppose also that |q| is the node following the
- replacement text. Then length of a line from |p| to |q|
- will be computed as $\gamma+\beta(q)-\alpha(|p|)$, where
- $\beta(q)=\beta(|p|)-l_0+l$. The actual length will be
- the background plus $l_1$, so the length from |p| to
- |p| should be $\gamma+l_0+l_1-l$. If the post-break text
- of the discretionary is empty, a break may also discard~|q|;
- in that unusual case we subtract the length of~|q| and any
- other nodes that will be discarded after the discretionary
- break.
-
- TH: I don't quite understand the above remarks.
-
- The value of $l_0$ need not be computed, since |line_break|
- will put it into the global variable |disc_width| before
- calling |try_break|.
- */
- /* In case of nested discretionaries, we always follow the no_break
- path, as we are talking about the breaking on _this_ position.
- */
-
- halfword v;
- for (v=vlink_no_break(p); v!=null; v=vlink(v)) {
- /* @<Subtract the width of node |v| from |break_width|@>; */
- /* Replacement texts and discretionary texts are supposed to contain
- only character nodes, kern nodes, and box or rule nodes.*/
- if (is_char_node(v)) {
- if (is_rotated(line_break_dir)) {
- break_width[1] -= (glyph_height(v)+glyph_depth(v));
- } else {
- break_width[1] -= glyph_width(v);
- }
- if ((pdf_adjust_spacing > 1) && check_expand_pars(font(v))) {
- set_prev_char_p(v);
- sub_char_stretch(break_width[8],v);
- sub_char_shrink(break_width[9],v);
+static void
+compute_break_width(int break_type, int pdf_adjust_spacing, halfword p
+ /*, halfword s */ )
+{
+ halfword s; /* glue and other 'whitespace' to be skipped after a break
+ * used if unhyphenated, or post_break==empty */
+ s = p;
+ if (break_type > unhyphenated_node && p != null) {
+ /*@<Compute the discretionary |break_width| values@>; */
+ /* When |p| is a discretionary break, the length of a line
+ ``from |p| to |p|'' has to be defined properly so
+ that the other calculations work out. Suppose that the
+ pre-break text at |p| has length $l_0$, the post-break
+ text has length $l_1$, and the replacement text has length
+ |l|. Suppose also that |q| is the node following the
+ replacement text. Then length of a line from |p| to |q|
+ will be computed as $\gamma+\beta(q)-\alpha(|p|)$, where
+ $\beta(q)=\beta(|p|)-l_0+l$. The actual length will be
+ the background plus $l_1$, so the length from |p| to
+ |p| should be $\gamma+l_0+l_1-l$. If the post-break text
+ of the discretionary is empty, a break may also discard~|q|;
+ in that unusual case we subtract the length of~|q| and any
+ other nodes that will be discarded after the discretionary
+ break.
+
+ TH: I don't quite understand the above remarks.
+
+ The value of $l_0$ need not be computed, since |line_break|
+ will put it into the global variable |disc_width| before
+ calling |try_break|.
+ */
+ /* In case of nested discretionaries, we always follow the no_break
+ path, as we are talking about the breaking on _this_ position.
+ */
+
+ halfword v;
+ for (v = vlink_no_break(p); v != null; v = vlink(v)) {
+ /* @<Subtract the width of node |v| from |break_width|@>; */
+ /* Replacement texts and discretionary texts are supposed to contain
+ only character nodes, kern nodes, and box or rule nodes. */
+ if (is_char_node(v)) {
+ if (is_rotated(line_break_dir)) {
+ break_width[1] -= (glyph_height(v) + glyph_depth(v));
+ } else {
+ break_width[1] -= glyph_width(v);
+ }
+ if ((pdf_adjust_spacing > 1) && check_expand_pars(font(v))) {
+ set_prev_char_p(v);
+ sub_char_stretch(break_width[8], v);
+ sub_char_shrink(break_width[9], v);
+ }
+ } else {
+ switch (type(v)) {
+ case hlist_node:
+ case vlist_node:
+ if (!(dir_orthogonal(dir_primary[box_dir(v)],
+ dir_primary[line_break_dir])))
+ break_width[1] -= width(v);
+ else
+ break_width[1] -= (depth(v) + height(v));
+ break;
+ case kern_node:
+ if ((pdf_adjust_spacing > 1) && (subtype(v) == normal)) {
+ sub_kern_stretch(break_width[8], v);
+ sub_kern_shrink(break_width[9], v);
+ }
+ /* fall through */
+ case rule_node:
+ break_width[1] -= width(v);
+ break;
+ case disc_node:
+ assert(vlink(v) == null); /* discs are _always_ last */
+ v = no_break(v);
+ break;
+ default:
+ tconfusion("disc1");
+ break;
+ }
+ }
}
- } else {
- switch (type(v)) {
- case hlist_node:
- case vlist_node:
- if (!(dir_orthogonal(dir_primary[box_dir(v)],
- dir_primary[line_break_dir])))
- break_width[1] -= width(v);
- else
- break_width[1] -= (depth(v)+height(v));
- break;
- case kern_node:
- if ((pdf_adjust_spacing > 1) && (subtype(v) == normal)) {
- sub_kern_stretch(break_width[8],v);
- sub_kern_shrink(break_width[9],v);
- }
- /* fall through */
- case rule_node:
- break_width[1] -= width(v);
- break;
- case disc_node:
- assert(vlink(v)==null); /* discs are _always_ last */
- v = no_break(v);
- break;
- default:
- tconfusion("disc1");
- break;
+
+ for (v = vlink_post_break(p); v != null; v = vlink(v)) {
+ /* @<Add the width of node |v| to |break_width|@>; */
+ if (is_char_node(v)) {
+ if (is_rotated(line_break_dir))
+ break_width[1] += (glyph_height(v) + glyph_depth(v));
+ else
+ break_width[1] += glyph_width(v);
+ if ((pdf_adjust_spacing > 1) && check_expand_pars(font(v))) {
+ set_prev_char_p(v);
+ add_char_stretch(break_width[8], v);
+ add_char_shrink(break_width[9], v);
+ }
+ } else {
+ switch (type(v)) {
+ case hlist_node:
+ case vlist_node:
+ if (!(dir_orthogonal(dir_primary[box_dir(v)],
+ dir_primary[line_break_dir])))
+ break_width[1] += width(v);
+ else
+ break_width[1] += (depth(v) + height(v));
+ break;
+ case kern_node:
+ if ((pdf_adjust_spacing > 1) && (subtype(v) == normal)) {
+ add_kern_stretch(break_width[8], v);
+ add_kern_shrink(break_width[9], v);
+ }
+ /* fall through */
+ case rule_node:
+ break_width[1] += width(v);
+ break;
+ case disc_node:
+ assert(vlink(v) == null);
+ v = no_break(v);
+ break;
+ default:
+ tconfusion("disc2");
+ }
+ }
}
- }
- }
- for (v=vlink_post_break(p); v!=null; v=vlink(v)) {
- /* @<Add the width of node |v| to |break_width|@>; */
- if (is_char_node(v)) {
- if (is_rotated(line_break_dir))
- break_width[1] += (glyph_height(v)+glyph_depth(v));
- else
- break_width[1] += glyph_width(v);
- if ((pdf_adjust_spacing > 1) && check_expand_pars(font(v))) {
- set_prev_char_p(v);
- add_char_stretch(break_width[8],v);
- add_char_shrink(break_width[9],v);
+ do_one_seven_eight(add_disc_width_to_break_width);
+ if (vlink_post_break(p) == null) {
+ s = vlink(p); /* no post_break: 'skip' any 'whitespace' following */
+ } else {
+ s = null;
}
- } else {
- switch (type(v)) {
- case hlist_node:
- case vlist_node:
- if (!(dir_orthogonal(dir_primary[box_dir(v)],
- dir_primary[line_break_dir])))
- break_width[1] += width(v);
- else
- break_width[1] += (depth(v)+height(v));
- break;
+ } else {
+ s = p; /* unhyphenated: we need to 'skip' any 'whitespace' following */
+ }
+ while (s != null) {
+ switch (type(s)) {
+ case glue_node:
+ /*@<Subtract glue from |break_width|@>; */
+ {
+ halfword v = glue_ptr(s);
+ break_width[1] -= width(v);
+ break_width[2 + stretch_order(v)] -= stretch(v);
+ break_width[7] -= shrink(v);
+ }
+ break;
+ case penalty_node:
+ break;
+ case math_node:
+ break_width[1] -= surround(s);
+ break;
case kern_node:
- if ((pdf_adjust_spacing > 1) && (subtype(v) == normal)) {
- add_kern_stretch(break_width[8],v);
- add_kern_shrink(break_width[9],v);
- }
- /* fall through */
- case rule_node:
- break_width[1] += width(v);
- break;
- case disc_node:
- assert(vlink(v)==null);
- v = no_break(v);
- break;
+ if (subtype(s) != explicit)
+ return;
+ else
+ break_width[1] -= width(s);
+ break;
default:
- tconfusion("disc2");
- }
- }
+ return;
+ };
+ s = vlink(s);
}
-
- do_one_seven_eight(add_disc_width_to_break_width);
- if (vlink_post_break(p)==null) {
- s=vlink(p); /* no post_break: 'skip' any 'whitespace' following */
- } else {
- s=null;
- }
- } else {
- s = p; /* unhyphenated: we need to 'skip' any 'whitespace' following */
- }
- while (s!=null) {
- switch (type(s)) {
- case glue_node:
- /*@<Subtract glue from |break_width|@>;*/
- {halfword v=glue_ptr(s);
- break_width[1] -= width(v);
- break_width[2+stretch_order(v)] -= stretch(v);
- break_width[7] -= shrink(v);
- }break;
- case penalty_node:
- break;
- case math_node:
- break_width[1] -= surround(s);
- break;
- case kern_node:
- if (subtype(s)!=explicit)
- return;
- else
- break_width[1] -= width(s);
- break;
- default:
- return;
- };
- s=vlink(s);
- }
}
static void
print_break_node(halfword q, fitness_value fit_class,
- quarterword break_type, halfword cur_p) {
- /* @<Print a symbolic description of the new break node@> */
- tprint_nl("@@");
- print_int(serial(passive));
- tprint(": line ");
- print_int(line_number(q)-1);
- print_char('.');
- print_int(fit_class);
- if (break_type==hyphenated_node)
- print_char('-');
- tprint(" t=");
- print_int(total_demerits(q));
- if (do_last_line_fit) {
- /*@<Print additional data in the new active node@>; */
- tprint(" s=");
- print_scaled(active_short(q));
- if (cur_p==null)
- tprint(" a=");
- else
- tprint(" g=");
- print_scaled(active_glue(q));
- }
- tprint(" -> @@");
- if (prev_break(passive)==null)
- print_char('0');
- else
- print_int(serial(prev_break(passive)));
+ quarterword break_type, halfword cur_p)
+{
+ /* @<Print a symbolic description of the new break node@> */
+ tprint_nl("@@");
+ print_int(serial(passive));
+ tprint(": line ");
+ print_int(line_number(q) - 1);
+ print_char('.');
+ print_int(fit_class);
+ if (break_type == hyphenated_node)
+ print_char('-');
+ tprint(" t=");
+ print_int(total_demerits(q));
+ if (do_last_line_fit) {
+ /*@<Print additional data in the new active node@>; */
+ tprint(" s=");
+ print_scaled(active_short(q));
+ if (cur_p == null)
+ tprint(" a=");
+ else
+ tprint(" g=");
+ print_scaled(active_glue(q));
+ }
+ tprint(" -> @@");
+ if (prev_break(passive) == null)
+ print_char('0');
+ else
+ print_int(serial(prev_break(passive)));
}
-static void
+static void
print_feasible_break(halfword cur_p, pointer r, halfword b, integer pi,
- integer d, boolean artificial_demerits) {
- /* @<Print a symbolic description of this feasible break@>;*/
- if (printed_node!=cur_p) {
- /* @<Print the list between |printed_node| and |cur_p|, then
- set |printed_node:=cur_p|@>;*/
- tprint_nl("");
- if (cur_p==null) {
- short_display(vlink(printed_node));
- } else {
- halfword save_link=vlink(cur_p);
- vlink(cur_p)=null;
- tprint_nl("");
- short_display(vlink(printed_node));
- vlink(cur_p)=save_link;
+ integer d, boolean artificial_demerits)
+{
+ /* @<Print a symbolic description of this feasible break@>; */
+ if (printed_node != cur_p) {
+ /* @<Print the list between |printed_node| and |cur_p|, then
+ set |printed_node:=cur_p|@>; */
+ tprint_nl("");
+ if (cur_p == null) {
+ short_display(vlink(printed_node));
+ } else {
+ halfword save_link = vlink(cur_p);
+ vlink(cur_p) = null;
+ tprint_nl("");
+ short_display(vlink(printed_node));
+ vlink(cur_p) = save_link;
+ }
+ printed_node = cur_p;
}
- printed_node=cur_p;
- }
- tprint_nl("@");
- if (cur_p==null) {
- tprint_esc("par");
- } else if (type(cur_p)!=glue_node) {
- if (type(cur_p)==penalty_node) tprint_esc("penalty");
- else if (type(cur_p)==disc_node) tprint_esc("discretionary");
- else if (type(cur_p)==kern_node) tprint_esc("kern");
- else tprint_esc("math");
- }
- tprint(" via @@");
- if (break_node(r)==null)
- print_char('0');
- else
- print_int(serial(break_node(r)));
- tprint(" b=");
- if (b>inf_bad)
- print_char('*');
- else
- print_int(b);
- tprint(" p=");
- print_int(pi);
- tprint(" d=");
- if (artificial_demerits)
- print_char('*');
- else
- print_int(d);
+ tprint_nl("@");
+ if (cur_p == null) {
+ tprint_esc("par");
+ } else if (type(cur_p) != glue_node) {
+ if (type(cur_p) == penalty_node)
+ tprint_esc("penalty");
+ else if (type(cur_p) == disc_node)
+ tprint_esc("discretionary");
+ else if (type(cur_p) == kern_node)
+ tprint_esc("kern");
+ else
+ tprint_esc("math");
+ }
+ tprint(" via @@");
+ if (break_node(r) == null)
+ print_char('0');
+ else
+ print_int(serial(break_node(r)));
+ tprint(" b=");
+ if (b > inf_bad)
+ print_char('*');
+ else
+ print_int(b);
+ tprint(" p=");
+ print_int(pi);
+ tprint(" d=");
+ if (artificial_demerits)
+ print_char('*');
+ else
+ print_int(d);
}
#define add_disc_width_to_active_width(a) active_width[a] += disc_width[a]
@@ -898,7 +919,7 @@ print_feasible_break(halfword cur_p, pointer r, halfword b, integer pi,
#define total_font_stretch cur_active_width[8]
#define total_font_shrink cur_active_width[9]
-#define max_dimen 07777777777 /* $2^{30}-1$ */
+#define max_dimen 07777777777 /* $2^{30}-1$ */
#define left_side 0
#define right_side 1
@@ -909,1187 +930,1238 @@ print_feasible_break(halfword cur_p, pointer r, halfword b, integer pi,
font(cp) = font((a)); \
do_subst_font(cp, 1000); \
if (font(cp) != font((a))) \
- margin_kern_stretch += (left_pw((a)) - left_pw(cp)); \
+ margin_kern_stretch += (left_pw((a)) - left_pw(cp)); \
font(cp) = font((a)); \
do_subst_font(cp, -1000); \
if (font(cp) != font((a))) \
- margin_kern_shrink += (left_pw(cp) - left_pw((a))); \
+ margin_kern_shrink += (left_pw(cp) - left_pw((a))); \
}
-static void
+static void
ext_try_break(integer pi,
quarterword break_type,
int pdf_adjust_spacing,
- int par_shape_ptr,
- int adj_demerits,
- int tracing_paragraphs,
+ int par_shape_ptr,
+ int adj_demerits,
+ int tracing_paragraphs,
int pdf_protrude_chars,
int line_penalty,
- int last_line_fit,
- int double_hyphen_demerits,
- int final_hyphen_demerits,
- halfword first_p,
- halfword cur_p) {
- /* CONTINUE,DEACTIVATE,FOUND,NOT_FOUND; */
- pointer r; /* runs through the active list */
- scaled margin_kern_stretch;
- scaled margin_kern_shrink;
- halfword lp, rp, cp;
- halfword prev_r; /* stays a step behind |r| */
- halfword prev_prev_r; /*a step behind |prev_r|, if |type(prev_r)=delta_node|*/
- halfword old_l; /* maximum line number in current equivalence class of lines */
- boolean no_break_yet; /* have we found a feasible break at |cur_p|? */
- halfword q; /*points to a new node being created*/
- halfword l; /*line number of current active node*/
- boolean node_r_stays_active; /*should node |r| remain in the active list?*/
- scaled line_width; /*the current line will be justified to this width*/
- fitness_value fit_class; /*possible fitness class of test line*/
- halfword b; /*badness of test line*/
- integer d; /*demerits of test line*/
- boolean artificial_demerits; /*has |d| been forced to zero?*/
-
- scaled shortfall; /*used in badness calculations*/
- scaled g; /*glue stretch or shrink of test line, adjustment for last line*/
- scaled cur_active_width[10] = {0}; /*distance from current active node*/
-
- line_width=0; g=0; prev_prev_r=null;
- /*@<Make sure that |pi| is in the proper range@>;*/
- if (pi>=inf_penalty) {
- return; /* this breakpoint is inhibited by infinite penalty */
- } else if (pi<=-inf_penalty) {
- pi=eject_penalty; /*this breakpoint will be forced*/
- }
-
- no_break_yet=true;
- prev_r=active;
- old_l=0;
- do_all_eight(copy_to_cur_active);
-
- while (1) {
- r=vlink(prev_r);
- /* @<If node |r| is of type |delta_node|, update |cur_active_width|,
- set |prev_r| and |prev_prev_r|, then |goto continue|@>; */
- /* The following code uses the fact that |type(active)<>delta_node| */
- if (type(r)==delta_node) {
- do_all_eight(update_width); /* IMPLICIT ,r */
- prev_prev_r=prev_r;
- prev_r=r;
- continue;
+ int last_line_fit,
+ int double_hyphen_demerits,
+ int final_hyphen_demerits, halfword first_p, halfword cur_p)
+{
+ /* CONTINUE,DEACTIVATE,FOUND,NOT_FOUND; */
+ pointer r; /* runs through the active list */
+ scaled margin_kern_stretch;
+ scaled margin_kern_shrink;
+ halfword lp, rp, cp;
+ halfword prev_r; /* stays a step behind |r| */
+ halfword prev_prev_r; /*a step behind |prev_r|, if |type(prev_r)=delta_node| */
+ halfword old_l; /* maximum line number in current equivalence class of lines */
+ boolean no_break_yet; /* have we found a feasible break at |cur_p|? */
+ halfword q; /*points to a new node being created */
+ halfword l; /*line number of current active node */
+ boolean node_r_stays_active; /*should node |r| remain in the active list? */
+ scaled line_width; /*the current line will be justified to this width */
+ fitness_value fit_class; /*possible fitness class of test line */
+ halfword b; /*badness of test line */
+ integer d; /*demerits of test line */
+ boolean artificial_demerits; /*has |d| been forced to zero? */
+
+ scaled shortfall; /*used in badness calculations */
+ scaled g; /*glue stretch or shrink of test line, adjustment for last line */
+ scaled cur_active_width[10] = { 0 }; /*distance from current active node */
+
+ line_width = 0;
+ g = 0;
+ prev_prev_r = null;
+ /*@<Make sure that |pi| is in the proper range@>; */
+ if (pi >= inf_penalty) {
+ return; /* this breakpoint is inhibited by infinite penalty */
+ } else if (pi <= -inf_penalty) {
+ pi = eject_penalty; /*this breakpoint will be forced */
}
- /* @<If a line number class has ended, create new active nodes for
- the best feasible breaks in that class; then |return|
- if |r=active|, otherwise compute the new |line_width|@>; */
- /* The first part of the following code is part of \TeX's inner loop, so
- we don't want to waste any time. The current active node, namely node |r|,
- contains the line number that will be considered next. At the end of the
- list we have arranged the data structure so that |r=active| and
- |line_number(active)>old_l|.
- */
- l=line_number(r);
- if (l>old_l) { /* now we are no longer in the inner loop */
- if ((minimum_demerits<awful_bad)&&((old_l!=easy_line)||(r==active))) {
- /*@<Create new active nodes for the best feasible breaks just found@>*/
- /* It is not necessary to create new active nodes having |minimal_demerits|
- greater than
- |minimum_demerits+abs(adj_demerits)|, since such active nodes will never
- be chosen in the final paragraph breaks. This observation allows us to
- omit a substantial number of feasible breakpoints from further consideration.
- */
- if (no_break_yet) {
- no_break_yet=false;
- do_all_eight(set_break_width_to_background);
- compute_break_width(break_type, pdf_adjust_spacing, cur_p);
- }
- /* @<Insert a delta node to prepare for breaks at |cur_p|@>;*/
- /* We use the fact that |type(active)<>delta_node|.*/
- if (type(prev_r)==delta_node) {/* modify an existing delta node */
- do_all_eight(convert_to_break_width); /* IMPLICIT prev_r */
- } else if (prev_r==active) { /* no delta node needed at the beginning */
- do_all_eight(store_break_width);
- } else {
- q=new_node(delta_node,0);
- vlink(q)=r;
- do_all_eight(new_delta_to_break_width); /* IMPLICIT q */
- vlink(prev_r)=q;
- prev_prev_r=prev_r;
- prev_r=q;
+
+ no_break_yet = true;
+ prev_r = active;
+ old_l = 0;
+ do_all_eight(copy_to_cur_active);
+
+ while (1) {
+ r = vlink(prev_r);
+ /* @<If node |r| is of type |delta_node|, update |cur_active_width|,
+ set |prev_r| and |prev_prev_r|, then |goto continue|@>; */
+ /* The following code uses the fact that |type(active)<>delta_node| */
+ if (type(r) == delta_node) {
+ do_all_eight(update_width); /* IMPLICIT ,r */
+ prev_prev_r = prev_r;
+ prev_r = r;
+ continue;
}
+ /* @<If a line number class has ended, create new active nodes for
+ the best feasible breaks in that class; then |return|
+ if |r=active|, otherwise compute the new |line_width|@>; */
+ /* The first part of the following code is part of \TeX's inner loop, so
+ we don't want to waste any time. The current active node, namely node |r|,
+ contains the line number that will be considered next. At the end of the
+ list we have arranged the data structure so that |r=active| and
+ |line_number(active)>old_l|.
+ */
+ l = line_number(r);
+ if (l > old_l) { /* now we are no longer in the inner loop */
+ if ((minimum_demerits < awful_bad)
+ && ((old_l != easy_line) || (r == active))) {
+ /*@<Create new active nodes for the best feasible breaks just found@> */
+ /* It is not necessary to create new active nodes having |minimal_demerits|
+ greater than
+ |minimum_demerits+abs(adj_demerits)|, since such active nodes will never
+ be chosen in the final paragraph breaks. This observation allows us to
+ omit a substantial number of feasible breakpoints from further consideration.
+ */
+ if (no_break_yet) {
+ no_break_yet = false;
+ do_all_eight(set_break_width_to_background);
+ compute_break_width(break_type, pdf_adjust_spacing, cur_p);
+ }
+ /* @<Insert a delta node to prepare for breaks at |cur_p|@>; */
+ /* We use the fact that |type(active)<>delta_node|. */
+ if (type(prev_r) == delta_node) { /* modify an existing delta node */
+ do_all_eight(convert_to_break_width); /* IMPLICIT prev_r */
+ } else if (prev_r == active) { /* no delta node needed at the beginning */
+ do_all_eight(store_break_width);
+ } else {
+ q = new_node(delta_node, 0);
+ vlink(q) = r;
+ do_all_eight(new_delta_to_break_width); /* IMPLICIT q */
+ vlink(prev_r) = q;
+ prev_prev_r = prev_r;
+ prev_r = q;
+ }
- if (abs(adj_demerits)>=awful_bad-minimum_demerits)
- minimum_demerits=awful_bad-1;
- else
- minimum_demerits += abs(adj_demerits);
- for (fit_class=very_loose_fit;fit_class<=tight_fit;fit_class++) {
- if (minimal_demerits[fit_class]<=minimum_demerits) {
- /* @<Insert a new active node from |best_place[fit_class]|
- to |cur_p|@>; */
- /* When we create an active node, we also create the corresponding
- passive node.
- */
- q=new_node(passive_node,0);
- vlink(q)=passive;
- passive=q;
- cur_break(q)=cur_p;
- incr(pass_number);
- serial(q)=pass_number;
- prev_break(q)=best_place[fit_class];
- /*Here we keep track of the subparagraph penalties in the break nodes*/
- passive_pen_inter(q)=internal_pen_inter;
- passive_pen_broken(q)=internal_pen_broken;
- passive_last_left_box(q)=internal_left_box;
- passive_last_left_box_width(q)=internal_left_box_width;
- if (prev_break(q)!=null) {
- passive_left_box(q)=passive_last_left_box(prev_break(q));
- passive_left_box_width(q)=passive_last_left_box_width(prev_break(q));
+ if (abs(adj_demerits) >= awful_bad - minimum_demerits)
+ minimum_demerits = awful_bad - 1;
+ else
+ minimum_demerits += abs(adj_demerits);
+ for (fit_class = very_loose_fit; fit_class <= tight_fit;
+ fit_class++) {
+ if (minimal_demerits[fit_class] <= minimum_demerits) {
+ /* @<Insert a new active node from |best_place[fit_class]|
+ to |cur_p|@>; */
+ /* When we create an active node, we also create the corresponding
+ passive node.
+ */
+ q = new_node(passive_node, 0);
+ vlink(q) = passive;
+ passive = q;
+ cur_break(q) = cur_p;
+ incr(pass_number);
+ serial(q) = pass_number;
+ prev_break(q) = best_place[fit_class];
+ /*Here we keep track of the subparagraph penalties in the break nodes */
+ passive_pen_inter(q) = internal_pen_inter;
+ passive_pen_broken(q) = internal_pen_broken;
+ passive_last_left_box(q) = internal_left_box;
+ passive_last_left_box_width(q) =
+ internal_left_box_width;
+ if (prev_break(q) != null) {
+ passive_left_box(q) =
+ passive_last_left_box(prev_break(q));
+ passive_left_box_width(q) =
+ passive_last_left_box_width(prev_break(q));
+ } else {
+ passive_left_box(q) = init_internal_left_box;
+ passive_left_box_width(q) =
+ init_internal_left_box_width;
+ }
+ passive_right_box(q) = internal_right_box;
+ passive_right_box_width(q) = internal_right_box_width;
+ q = new_node(break_type, fit_class);
+ break_node(q) = passive;
+ line_number(q) = best_pl_line[fit_class] + 1;
+ total_demerits(q) = minimal_demerits[fit_class];
+ if (do_last_line_fit) {
+ /*@<Store \(a)additional data in the new active node@> */
+ /* Here we save these data in the active node
+ representing a potential line break. */
+ active_short(q) = best_pl_short[fit_class];
+ active_glue(q) = best_pl_glue[fit_class];
+ }
+ vlink(q) = r;
+ vlink(prev_r) = q;
+ prev_r = q;
+ if (tracing_paragraphs > 0)
+ print_break_node(q, fit_class, break_type, cur_p);
+ }
+ minimal_demerits[fit_class] = awful_bad;
+ }
+ minimum_demerits = awful_bad;
+ /* @<Insert a delta node to prepare for the next active node@>; */
+ /* When the following code is performed, we will have just inserted at
+ least one active node before |r|, so |type(prev_r)<>delta_node|.
+ */
+ if (r != active) {
+ q = new_node(delta_node, 0);
+ vlink(q) = r;
+ do_all_eight(new_delta_from_break_width); /* IMPLICIT q */
+ vlink(prev_r) = q;
+ prev_prev_r = prev_r;
+ prev_r = q;
+ }
+ }
+ if (r == active)
+ return;
+ /*@<Compute the new line width@>; */
+ /* When we come to the following code, we have just encountered
+ the first active node~|r| whose |line_number| field contains
+ |l|. Thus we want to compute the length of the $l\mskip1mu$th
+ line of the current paragraph. Furthermore, we want to set
+ |old_l| to the last number in the class of line numbers
+ equivalent to~|l|.
+ */
+ if (l > easy_line) {
+ old_l = max_halfword - 1;
+ line_width = second_width;
} else {
- passive_left_box(q)=init_internal_left_box;
- passive_left_box_width(q)=init_internal_left_box_width;
+ old_l = l;
+ if (l > last_special_line) {
+ line_width = second_width;
+ } else if (par_shape_ptr == null) {
+ line_width = first_width;
+ } else {
+ line_width = varmem[(par_shape_ptr + 2 * l + 1)].cint;
+ }
}
- passive_right_box(q)=internal_right_box;
- passive_right_box_width(q)=internal_right_box_width;
- q=new_node(break_type,fit_class);
- break_node(q)=passive;
- line_number(q)=best_pl_line[fit_class]+1;
- total_demerits(q)=minimal_demerits[fit_class];
- if (do_last_line_fit) {
- /*@<Store \(a)additional data in the new active node@>*/
- /* Here we save these data in the active node
- representing a potential line break.*/
- active_short(q)=best_pl_short[fit_class];
- active_glue(q)=best_pl_glue[fit_class];
+ }
+ /* /If a line number class has ended, create new active nodes for
+ the best feasible breaks in that class; then |return|
+ if |r=active|, otherwise compute the new |line_width|@>; */
+
+ /* @<Consider the demerits for a line from |r| to |cur_p|;
+ deactivate node |r| if it should no longer be active;
+ then |goto continue| if a line from |r| to |cur_p| is infeasible,
+ otherwise record a new feasible break@>; */
+ artificial_demerits = false;
+ shortfall = line_width - cur_active_width[1]
+ - ((break_node(r) == null)
+ ? init_internal_left_box_width
+ : passive_last_left_box_width(break_node(r)))
+ - internal_right_box_width;
+ if (pdf_protrude_chars > 1) {
+ halfword l, o;
+ l = (break_node(r) == null) ? first_p : cur_break(break_node(r));
+ if (cur_p == null) {
+ o = null;
+ } else { /* TODO if (is_character_node(alink(cur_p))) */
+ o = alink(cur_p);
+ assert(vlink(o) == cur_p);
+ }
+ /* let's look at the right margin first */
+ if ((cur_p != null) && (type(cur_p) == disc_node)
+ && (vlink_pre_break(cur_p) != null)) {
+ /* a |disc_node| with non-empty |pre_break|, protrude the last char of |pre_break| */
+ o = tlink_pre_break(cur_p);
+ } else {
+ o = find_protchar_right(l, o);
+ }
+ /* now the left margin */
+ if ((l != null) && (type(l) == disc_node)
+ && (vlink_post_break(l) != null)) {
+ /* FIXME: first 'char' could be a disc! */
+ l = vlink_post_break(l); /* protrude the first char */
+ } else {
+ l = find_protchar_left(l, true);
}
- vlink(q)=r;
- vlink(prev_r)=q;
- prev_r=q;
- if (tracing_paragraphs>0)
- print_break_node(q,fit_class,break_type,cur_p);
- }
- minimal_demerits[fit_class]=awful_bad;
+ shortfall += (left_pw(l) + right_pw(o));
}
- minimum_demerits=awful_bad;
- /* @<Insert a delta node to prepare for the next active node@>;*/
- /* When the following code is performed, we will have just inserted at
- least one active node before |r|, so |type(prev_r)<>delta_node|.
- */
- if (r!=active) {
- q=new_node(delta_node,0);
- vlink(q)=r;
- do_all_eight(new_delta_from_break_width); /* IMPLICIT q */
- vlink(prev_r)=q;
- prev_prev_r=prev_r;
- prev_r=q;
+ if ((shortfall != 0) && (pdf_adjust_spacing > 1)) {
+ margin_kern_stretch = 0;
+ margin_kern_shrink = 0;
+ if (pdf_protrude_chars > 1) {
+ /* @<Calculate variations of marginal kerns@>; */
+ lp = last_leftmost_char;
+ rp = last_rightmost_char;
+ cp = raw_glyph_node();
+ if (lp != null) {
+ cal_margin_kern_var(lp);
+ }
+ if (rp != null) {
+ cal_margin_kern_var(rp);
+ }
+ flush_node(cp);
+ }
+ if ((shortfall > 0)
+ && ((total_font_stretch + margin_kern_stretch) > 0)) {
+ if ((total_font_stretch + margin_kern_stretch) > shortfall)
+ shortfall = ((total_font_stretch + margin_kern_stretch) /
+ (max_stretch_ratio / cur_font_step)) / 2;
+ else
+ shortfall -= (total_font_stretch + margin_kern_stretch);
+ } else if ((shortfall < 0)
+ && ((total_font_shrink + margin_kern_shrink) > 0)) {
+ if ((total_font_shrink + margin_kern_shrink) > -shortfall)
+ shortfall = -((total_font_shrink + margin_kern_shrink) /
+ (max_shrink_ratio / cur_font_step)) / 2;
+ else
+ shortfall += (total_font_shrink + margin_kern_shrink);
+ }
}
- }
- if (r==active)
- return;
- /*@<Compute the new line width@>;*/
- /* When we come to the following code, we have just encountered
- the first active node~|r| whose |line_number| field contains
- |l|. Thus we want to compute the length of the $l\mskip1mu$th
- line of the current paragraph. Furthermore, we want to set
- |old_l| to the last number in the class of line numbers
- equivalent to~|l|.
- */
- if (l>easy_line) {
- old_l=max_halfword-1;
- line_width=second_width;
- } else {
- old_l=l;
- if (l>last_special_line) {
- line_width=second_width;
- } else if (par_shape_ptr==null) {
- line_width=first_width;
+ if (shortfall > 0) {
+ /* @<Set the value of |b| to the badness for stretching the line,
+ and compute the corresponding |fit_class|@> */
+
+ /* When a line must stretch, the available stretchability can be
+ found in the subarray |cur_active_width[2..6]|, in units of
+ points, sfi, fil, fill and filll.
+
+ The present section is part of \TeX's inner loop, and it is
+ most often performed when the badness is infinite; therefore
+ it is worth while to make a quick test for large width excess
+ and small stretchability, before calling the |badness|
+ subroutine. @^inner loop@> */
+
+ if ((cur_active_width[3] != 0) || (cur_active_width[4] != 0) ||
+ (cur_active_width[5] != 0) || (cur_active_width[6] != 0)) {
+ if (do_last_line_fit) {
+ if (cur_p == null) { /* the last line of a paragraph */
+ /* @<Perform computations for last line and |goto found|@>; */
+
+ /* Here we compute the adjustment |g| and badness |b| for
+ a line from |r| to the end of the paragraph. When any
+ of the criteria for adjustment is violated we fall
+ through to the normal algorithm.
+
+ The last line must be too short, and have infinite
+ stretch entirely due to |par_fill_skip|. */
+ if ((active_short(r) == 0) || (active_glue(r) <= 0))
+ /* previous line was neither stretched nor shrunk, or
+ was infinitely bad */
+ goto NOT_FOUND;
+ if ((cur_active_width[3] != fill_width[0]) ||
+ (cur_active_width[4] != fill_width[1]) ||
+ (cur_active_width[5] != fill_width[2]) ||
+ (cur_active_width[6] != fill_width[3]))
+ /* infinite stretch of this line not entirely due to
+ |par_fill_skip| */
+ goto NOT_FOUND;
+ if (active_short(r) > 0)
+ g = cur_active_width[2];
+ else
+ g = cur_active_width[7];
+ if (g <= 0)
+ /*no finite stretch resp.\ no shrink */
+ goto NOT_FOUND;
+ arith_error = false;
+ g = fract(g, active_short(r), active_glue(r),
+ max_dimen);
+ if (last_line_fit < 1000)
+ g = fract(g, last_line_fit, 1000, max_dimen);
+ if (arith_error) {
+ if (active_short(r) > 0)
+ g = max_dimen;
+ else
+ g = -max_dimen;
+ }
+ if (g > 0) {
+ /*@<Set the value of |b| to the badness of the last line
+ for stretching, compute the corresponding |fit_class,
+ and |goto found||@> */
+ /* These badness computations are rather similar to
+ those of the standard algorithm, with the adjustment
+ amount |g| replacing the |shortfall|. */
+ if (g > shortfall)
+ g = shortfall;
+ if (g > 7230584) {
+ if (cur_active_width[2] < 1663497) {
+ b = inf_bad;
+ fit_class = very_loose_fit;
+ goto FOUND;
+ }
+ }
+ b = badness(g, cur_active_width[2]);
+ if (b > 99) {
+ fit_class = very_loose_fit;
+ } else if (b > 12) {
+ fit_class = loose_fit;
+ } else {
+ fit_class = decent_fit;
+ }
+ goto FOUND;
+ } else if (g < 0) {
+ /*@<Set the value of |b| to the badness of the last line
+ for shrinking, compute the corresponding |fit_class,
+ and |goto found||@>; */
+ if (-g > cur_active_width[7])
+ g = -cur_active_width[7];
+ b = badness(-g, cur_active_width[7]);
+ if (b > 12)
+ fit_class = tight_fit;
+ else
+ fit_class = decent_fit;
+ goto FOUND;
+ }
+ }
+ NOT_FOUND:
+ shortfall = 0;
+ }
+ b = 0;
+ fit_class = decent_fit; /* infinite stretch */
+ } else {
+ if (shortfall > 7230584 && cur_active_width[2] < 1663497) {
+ b = inf_bad;
+ fit_class = very_loose_fit;
+ } else {
+ b = badness(shortfall, cur_active_width[2]);
+ if (b > 99) {
+ fit_class = very_loose_fit;
+ } else if (b > 12) {
+ fit_class = loose_fit;
+ } else {
+ fit_class = decent_fit;
+ }
+ }
+ }
} else {
- line_width=varmem[(par_shape_ptr+2*l+1)].cint;
+ /* Set the value of |b| to the badness for shrinking the line,
+ and compute the corresponding |fit_class|@>; */
+ /* Shrinkability is never infinite in a paragraph; we can shrink
+ the line from |r| to |cur_p| by at most
+ |cur_active_width[7]|. */
+ if (-shortfall > cur_active_width[7])
+ b = inf_bad + 1;
+ else
+ b = badness(-shortfall, cur_active_width[7]);
+ if (b > 12)
+ fit_class = tight_fit;
+ else
+ fit_class = decent_fit;
}
- }
- }
- /* /If a line number class has ended, create new active nodes for
- the best feasible breaks in that class; then |return|
- if |r=active|, otherwise compute the new |line_width|@>; */
-
- /* @<Consider the demerits for a line from |r| to |cur_p|;
- deactivate node |r| if it should no longer be active;
- then |goto continue| if a line from |r| to |cur_p| is infeasible,
- otherwise record a new feasible break@>; */
- artificial_demerits=false;
- shortfall = line_width
- - cur_active_width[1]
- -(( break_node(r)==null)
- ? init_internal_left_box_width
- : passive_last_left_box_width(break_node(r)))
- - internal_right_box_width;
- if (pdf_protrude_chars > 1) {
- halfword l, o;
- l = (break_node(r) == null) ? first_p : cur_break(break_node(r));
- if (cur_p==null) {
- o = null;
- } else { /* TODO if (is_character_node(alink(cur_p))) */
- o = alink(cur_p);
- assert(vlink(o)==cur_p);
- }
- /* let's look at the right margin first */
- if ((cur_p != null) && (type(cur_p) == disc_node) && (vlink_pre_break(cur_p) != null)) {
- /* a |disc_node| with non-empty |pre_break|, protrude the last char of |pre_break| */
- o = tlink_pre_break(cur_p);
- } else {
- o = find_protchar_right(l, o);
- }
- /* now the left margin */
- if ((l != null) && (type(l) == disc_node) && (vlink_post_break(l) != null)) {
- /* FIXME: first 'char' could be a disc! */
- l = vlink_post_break(l); /* protrude the first char */
- } else {
- l = find_protchar_left(l, true);
- }
- shortfall += (left_pw(l) + right_pw(o));
- }
- if ((shortfall != 0) && (pdf_adjust_spacing > 1)) {
- margin_kern_stretch = 0;
- margin_kern_shrink = 0;
- if (pdf_protrude_chars > 1) {
- /* @<Calculate variations of marginal kerns@>;*/
- lp = last_leftmost_char;
- rp = last_rightmost_char;
- cp = raw_glyph_node();
- if (lp != null) {
- cal_margin_kern_var(lp);
- }
- if (rp != null) {
- cal_margin_kern_var(rp);
- }
- flush_node(cp);
- }
- if ((shortfall > 0) && ((total_font_stretch + margin_kern_stretch) > 0)) {
- if ((total_font_stretch + margin_kern_stretch) > shortfall)
- shortfall = ((total_font_stretch + margin_kern_stretch) /
- (max_stretch_ratio / cur_font_step)) / 2;
- else
- shortfall -= (total_font_stretch + margin_kern_stretch);
- } else if ((shortfall < 0) && ((total_font_shrink + margin_kern_shrink) > 0)) {
- if ((total_font_shrink + margin_kern_shrink) > -shortfall)
- shortfall = -((total_font_shrink + margin_kern_shrink) /
- (max_shrink_ratio / cur_font_step)) / 2;
- else
- shortfall += (total_font_shrink + margin_kern_shrink);
- }
- }
- if (shortfall>0) {
- /* @<Set the value of |b| to the badness for stretching the line,
- and compute the corresponding |fit_class|@> */
-
- /* When a line must stretch, the available stretchability can be
- found in the subarray |cur_active_width[2..6]|, in units of
- points, sfi, fil, fill and filll.
-
- The present section is part of \TeX's inner loop, and it is
- most often performed when the badness is infinite; therefore
- it is worth while to make a quick test for large width excess
- and small stretchability, before calling the |badness|
- subroutine. @^inner loop@> */
-
- if ((cur_active_width[3]!=0)||(cur_active_width[4]!=0)||
- (cur_active_width[5]!=0)||(cur_active_width[6]!=0)) {
if (do_last_line_fit) {
- if (cur_p==null) { /* the last line of a paragraph */
- /* @<Perform computations for last line and |goto found|@>;*/
-
- /* Here we compute the adjustment |g| and badness |b| for
- a line from |r| to the end of the paragraph. When any
- of the criteria for adjustment is violated we fall
- through to the normal algorithm.
-
- The last line must be too short, and have infinite
- stretch entirely due to |par_fill_skip|.*/
- if ((active_short(r)==0)||(active_glue(r)<=0))
- /* previous line was neither stretched nor shrunk, or
- was infinitely bad*/
- goto NOT_FOUND;
- if ((cur_active_width[3]!=fill_width[0])||
- (cur_active_width[4]!=fill_width[1])||
- (cur_active_width[5]!=fill_width[2])||
- (cur_active_width[6]!=fill_width[3]))
- /* infinite stretch of this line not entirely due to
- |par_fill_skip| */
- goto NOT_FOUND;
- if (active_short(r)>0)
- g=cur_active_width[2];
- else
- g=cur_active_width[7];
- if (g<=0)
- /*no finite stretch resp.\ no shrink*/
- goto NOT_FOUND;
- arith_error=false;
- g=fract(g,active_short(r),active_glue(r),max_dimen);
- if (last_line_fit<1000)
- g=fract(g,last_line_fit,1000,max_dimen);
- if (arith_error) {
- if (active_short(r)>0)
- g=max_dimen;
- else
- g=-max_dimen;
+ /* @<Adjust \(t)the additional data for last line@>; */
+ if (cur_p == null)
+ shortfall = 0;
+ if (shortfall > 0) {
+ g = cur_active_width[2];
+ } else if (shortfall < 0) {
+ g = cur_active_width[7];
+ } else {
+ g = 0;
}
- if (g>0) {
- /*@<Set the value of |b| to the badness of the last line
- for stretching, compute the corresponding |fit_class,
- and |goto found||@>*/
- /* These badness computations are rather similar to
- those of the standard algorithm, with the adjustment
- amount |g| replacing the |shortfall|.*/
- if (g>shortfall)
- g=shortfall;
- if (g>7230584) {
- if (cur_active_width[2]<1663497) {
- b=inf_bad;
- fit_class=very_loose_fit;
- goto FOUND;
- }
- }
- b=badness(g,cur_active_width[2]);
- if (b>99) { fit_class=very_loose_fit; }
- else if (b>12) { fit_class=loose_fit; }
- else { fit_class=decent_fit; }
- goto FOUND;
- } else if (g<0) {
- /*@<Set the value of |b| to the badness of the last line
- for shrinking, compute the corresponding |fit_class,
- and |goto found||@>;*/
- if (-g>cur_active_width[7])
- g=-cur_active_width[7];
- b=badness(-g,cur_active_width[7]);
- if (b>12) fit_class=tight_fit;
- else fit_class=decent_fit;
- goto FOUND;
+ }
+ FOUND:
+ if ((b > inf_bad) || (pi == eject_penalty)) {
+ /* @<Prepare to deactivate node~|r|, and |goto deactivate| unless
+ there is a reason to consider lines of text from |r| to |cur_p|@> */
+ /* During the final pass, we dare not lose all active nodes, lest we lose
+ touch with the line breaks already found. The code shown here makes
+ sure that such a catastrophe does not happen, by permitting overfull
+ boxes as a last resort. This particular part of \TeX\ was a source of
+ several subtle bugs before the correct program logic was finally
+ discovered; readers who seek to ``improve'' \TeX\ should therefore
+ think thrice before daring to make any changes here.
+ @^overfull boxes@>
+ */
+ if (final_pass && (minimum_demerits == awful_bad) &&
+ (vlink(r) == active) && (prev_r == active)) {
+ artificial_demerits = true; /* set demerits zero, this break is forced */
+ } else if (b > threshold) {
+ goto DEACTIVATE;
}
- }
- NOT_FOUND:
- shortfall=0;
+ node_r_stays_active = false;
+ } else {
+ prev_r = r;
+ if (b > threshold)
+ continue;
+ node_r_stays_active = true;
}
- b=0;
- fit_class=decent_fit; /* infinite stretch */
- } else {
- if (shortfall>7230584 && cur_active_width[2]<1663497) {
- b=inf_bad;
- fit_class=very_loose_fit;
+ /* @<Record a new feasible break@>; */
+ /* When we get to this part of the code, the line from |r| to |cur_p| is
+ feasible, its badness is~|b|, and its fitness classification is
+ |fit_class|. We don't want to make an active node for this break yet,
+ but we will compute the total demerits and record them in the
+ |minimal_demerits| array, if such a break is the current champion among
+ all ways to get to |cur_p| in a given line-number class and fitness
+ class.
+ */
+ if (artificial_demerits) {
+ d = 0;
} else {
- b=badness(shortfall,cur_active_width[2]);
- if (b>99) { fit_class=very_loose_fit; }
- else if (b>12) { fit_class=loose_fit; }
- else { fit_class=decent_fit; }
+ /* @<Compute the demerits, |d|, from |r| to |cur_p|@>; */
+ d = line_penalty + b;
+ if (abs(d) >= 10000)
+ d = 100000000;
+ else
+ d = d * d;
+ if (pi != 0) {
+ if (pi > 0) {
+ d += (pi * pi);
+ } else if (pi > eject_penalty) {
+ d -= (pi * pi);
+ }
+ }
+ if ((break_type == hyphenated_node) && (type(r) == hyphenated_node)) {
+ if (cur_p != null)
+ d += double_hyphen_demerits;
+ else
+ d += final_hyphen_demerits;
+ }
+ if (abs(fit_class - fitness(r)) > 1)
+ d = d + adj_demerits;
}
- }
- } else {
- /* Set the value of |b| to the badness for shrinking the line,
- and compute the corresponding |fit_class|@>; */
- /* Shrinkability is never infinite in a paragraph; we can shrink
- the line from |r| to |cur_p| by at most
- |cur_active_width[7]|.*/
- if (-shortfall>cur_active_width[7])
- b=inf_bad+1;
- else
- b=badness(-shortfall,cur_active_width[7]);
- if (b>12)
- fit_class=tight_fit;
- else
- fit_class=decent_fit;
- }
- if (do_last_line_fit) {
- /* @<Adjust \(t)the additional data for last line@>; */
- if (cur_p==null) shortfall=0;
- if (shortfall>0) { g=cur_active_width[2]; }
- else if (shortfall<0) { g=cur_active_width[7]; }
- else { g=0;}
- }
- FOUND:
- if ((b>inf_bad)||(pi==eject_penalty)) {
- /* @<Prepare to deactivate node~|r|, and |goto deactivate| unless
- there is a reason to consider lines of text from |r| to |cur_p|@> */
- /* During the final pass, we dare not lose all active nodes, lest we lose
- touch with the line breaks already found. The code shown here makes
- sure that such a catastrophe does not happen, by permitting overfull
- boxes as a last resort. This particular part of \TeX\ was a source of
- several subtle bugs before the correct program logic was finally
- discovered; readers who seek to ``improve'' \TeX\ should therefore
- think thrice before daring to make any changes here.
- @^overfull boxes@>
- */
- if (final_pass && (minimum_demerits==awful_bad) &&
- (vlink(r)==active) && (prev_r==active)) {
- artificial_demerits=true; /* set demerits zero, this break is forced */
- } else if (b>threshold) {
- goto DEACTIVATE;
- }
- node_r_stays_active=false;
- } else {
- prev_r=r;
- if (b>threshold)
- continue;
- node_r_stays_active=true;
- }
- /* @<Record a new feasible break@>;*/
- /* When we get to this part of the code, the line from |r| to |cur_p| is
- feasible, its badness is~|b|, and its fitness classification is
- |fit_class|. We don't want to make an active node for this break yet,
- but we will compute the total demerits and record them in the
- |minimal_demerits| array, if such a break is the current champion among
- all ways to get to |cur_p| in a given line-number class and fitness
- class.
- */
- if (artificial_demerits) {
- d=0;
- } else {
- /* @<Compute the demerits, |d|, from |r| to |cur_p|@>;*/
- d=line_penalty+b;
- if (abs(d)>=10000) d=100000000; else d=d*d;
- if (pi!=0) {
- if (pi>0) {
- d += (pi*pi);
- } else if (pi>eject_penalty) {
- d -= (pi*pi);
+ if (tracing_paragraphs > 0)
+ print_feasible_break(cur_p, r, b, pi, d, artificial_demerits);
+ d += total_demerits(r); /*this is the minimum total demerits
+ from the beginning to |cur_p| via |r| */
+ if (d <= minimal_demerits[fit_class]) {
+ minimal_demerits[fit_class] = d;
+ best_place[fit_class] = break_node(r);
+ best_pl_line[fit_class] = l;
+ if (do_last_line_fit) {
+ /* Store \(a)additional data for this feasible break@>; */
+ /* For each feasible break we record the shortfall and glue stretch or
+ shrink (or adjustment). */
+ best_pl_short[fit_class] = shortfall;
+ best_pl_glue[fit_class] = g;
+ }
+ if (d < minimum_demerits)
+ minimum_demerits = d;
}
- }
- if ((break_type==hyphenated_node)&&(type(r)==hyphenated_node)) {
- if (cur_p!=null)
- d += double_hyphen_demerits;
- else
- d += final_hyphen_demerits;
- }
- if (abs(fit_class-fitness(r))>1) d=d+adj_demerits;
- }
- if (tracing_paragraphs>0)
- print_feasible_break(cur_p, r, b, pi, d, artificial_demerits);
- d += total_demerits(r); /*this is the minimum total demerits
- from the beginning to |cur_p| via |r| */
- if (d<=minimal_demerits[fit_class]) {
- minimal_demerits[fit_class]=d;
- best_place[fit_class]=break_node(r);
- best_pl_line[fit_class]=l;
- if (do_last_line_fit) {
- /* Store \(a)additional data for this feasible break@>; */
- /* For each feasible break we record the shortfall and glue stretch or
- shrink (or adjustment).*/
- best_pl_short[fit_class]=shortfall;
- best_pl_glue[fit_class]=g;
- }
- if (d<minimum_demerits)
- minimum_demerits=d;
- }
- /* /Record a new feasible break */
- if (node_r_stays_active)
- continue; /*|prev_r| has been set to |r| */
- DEACTIVATE:
- /* @<Deactivate node |r|@>; */
- /* When an active node disappears, we must delete an adjacent delta node if
- the active node was at the beginning or the end of the active list, or
- if it was surrounded by delta nodes. We also must preserve the property
- that |cur_active_width| represents the length of material from
- |vlink(prev_r)| to~|cur_p|.*/
-
- vlink(prev_r)=vlink(r);
- flush_node(r);
- if (prev_r==active) {
- /*@<Update the active widths, since the first active node has been
- deleted@>*/
- /* The following code uses the fact that |type(active)<>delta_node|.
- If the active list has just become empty, we do not need to update the
- |active_width| array, since it will be initialized when an active
- node is next inserted.
- */
- r=vlink(active);
- if (type(r)==delta_node) {
- do_all_eight(update_active); /* IMPLICIT r */
- do_all_eight(copy_to_cur_active);
- vlink(active)=vlink(r);
+ /* /Record a new feasible break */
+ if (node_r_stays_active)
+ continue; /*|prev_r| has been set to |r| */
+ DEACTIVATE:
+ /* @<Deactivate node |r|@>; */
+ /* When an active node disappears, we must delete an adjacent delta node if
+ the active node was at the beginning or the end of the active list, or
+ if it was surrounded by delta nodes. We also must preserve the property
+ that |cur_active_width| represents the length of material from
+ |vlink(prev_r)| to~|cur_p|. */
+
+ vlink(prev_r) = vlink(r);
flush_node(r);
- }
- } else if (type(prev_r)==delta_node){
- r=vlink(prev_r);
- if (r==active) {
- do_all_eight(downdate_width); /* IMPLICIT prev_r */
- vlink(prev_prev_r)=active;
- flush_node(prev_r);
- prev_r=prev_prev_r;
- } else if (type(r)==delta_node) {
- do_all_eight(update_width); /* IMPLICIT ,r */
- do_all_eight(combine_two_deltas); /* IMPLICIT r prev_r */
- vlink(prev_r)=vlink(r);
- flush_node(r);
- }
- }
- }
+ if (prev_r == active) {
+ /*@<Update the active widths, since the first active node has been
+ deleted@> */
+ /* The following code uses the fact that |type(active)<>delta_node|.
+ If the active list has just become empty, we do not need to update the
+ |active_width| array, since it will be initialized when an active
+ node is next inserted.
+ */
+ r = vlink(active);
+ if (type(r) == delta_node) {
+ do_all_eight(update_active); /* IMPLICIT r */
+ do_all_eight(copy_to_cur_active);
+ vlink(active) = vlink(r);
+ flush_node(r);
+ }
+ } else if (type(prev_r) == delta_node) {
+ r = vlink(prev_r);
+ if (r == active) {
+ do_all_eight(downdate_width); /* IMPLICIT prev_r */
+ vlink(prev_prev_r) = active;
+ flush_node(prev_r);
+ prev_r = prev_prev_r;
+ } else if (type(r) == delta_node) {
+ do_all_eight(update_width); /* IMPLICIT ,r */
+ do_all_eight(combine_two_deltas); /* IMPLICIT r prev_r */
+ vlink(prev_r) = vlink(r);
+ flush_node(r);
+ }
+ }
+ }
}
void
-ext_do_line_break (boolean d,
- int pretolerance,
- int tracing_paragraphs,
- int tolerance,
- scaled emergency_stretch,
- int looseness,
- int hyphen_penalty,
- int ex_hyphen_penalty,
- int pdf_adjust_spacing,
- halfword par_shape_ptr,
- int adj_demerits,
- int pdf_protrude_chars,
- int line_penalty,
- int last_line_fit,
- int double_hyphen_demerits,
- int final_hyphen_demerits,
- int hang_indent,
- int hsize,
- int hang_after,
- halfword left_skip,
- halfword right_skip,
- int pdf_each_line_height,
- int pdf_each_line_depth,
- int pdf_first_line_height,
- int pdf_last_line_depth,
- halfword inter_line_penalties_ptr,
- int inter_line_penalty,
- int club_penalty,
- halfword club_penalties_ptr,
- halfword display_widow_penalties_ptr,
- halfword widow_penalties_ptr,
- int display_widow_penalty,
- int widow_penalty,
- int broken_penalty,
- halfword final_par_glue) {
- /* DONE,DONE1,DONE2,DONE3,DONE4,DONE5,CONTINUE;*/
- halfword cur_p,q,r,s; /* miscellaneous nodes of temporary interest */
-
- /* Get ready to start ... */
- minimum_demerits=awful_bad;
- minimal_demerits[tight_fit]=awful_bad;
- minimal_demerits[decent_fit]=awful_bad;
- minimal_demerits[loose_fit]=awful_bad;
- minimal_demerits[very_loose_fit]=awful_bad;
-
- /* We compute the values of |easy_line| and the other local variables relating
- to line length when the |line_break| procedure is initializing itself. */
- if (par_shape_ptr==null) {
- if (hang_indent==0) {
- last_special_line=0;
- second_width=hsize;
- second_indent=0;
- } else {
- /* @<Set line length parameters in preparation for hanging indentation@>*/
- /* We compute the values of |easy_line| and the other local variables relating
- to line length when the |line_break| procedure is initializing itself. */
- last_special_line=abs(hang_after);
- if (hang_after<0) {
- first_width=hsize-abs(hang_indent);
- if (hang_indent>=0)
- first_indent=hang_indent;
- else
- first_indent=0;
- second_width=hsize;
- second_indent=0;
- } else {
- first_width=hsize;
- first_indent=0;
- second_width=hsize-abs(hang_indent);
- if (hang_indent>=0)
- second_indent=hang_indent;
- else
- second_indent=0;
- }
+ext_do_line_break(boolean d,
+ int pretolerance,
+ int tracing_paragraphs,
+ int tolerance,
+ scaled emergency_stretch,
+ int looseness,
+ int hyphen_penalty,
+ int ex_hyphen_penalty,
+ int pdf_adjust_spacing,
+ halfword par_shape_ptr,
+ int adj_demerits,
+ int pdf_protrude_chars,
+ int line_penalty,
+ int last_line_fit,
+ int double_hyphen_demerits,
+ int final_hyphen_demerits,
+ int hang_indent,
+ int hsize,
+ int hang_after,
+ halfword left_skip,
+ halfword right_skip,
+ int pdf_each_line_height,
+ int pdf_each_line_depth,
+ int pdf_first_line_height,
+ int pdf_last_line_depth,
+ halfword inter_line_penalties_ptr,
+ int inter_line_penalty,
+ int club_penalty,
+ halfword club_penalties_ptr,
+ halfword display_widow_penalties_ptr,
+ halfword widow_penalties_ptr,
+ int display_widow_penalty,
+ int widow_penalty,
+ int broken_penalty, halfword final_par_glue)
+{
+ /* DONE,DONE1,DONE2,DONE3,DONE4,DONE5,CONTINUE; */
+ halfword cur_p, q, r, s; /* miscellaneous nodes of temporary interest */
+
+ /* Get ready to start ... */
+ minimum_demerits = awful_bad;
+ minimal_demerits[tight_fit] = awful_bad;
+ minimal_demerits[decent_fit] = awful_bad;
+ minimal_demerits[loose_fit] = awful_bad;
+ minimal_demerits[very_loose_fit] = awful_bad;
+
+ /* We compute the values of |easy_line| and the other local variables relating
+ to line length when the |line_break| procedure is initializing itself. */
+ if (par_shape_ptr == null) {
+ if (hang_indent == 0) {
+ last_special_line = 0;
+ second_width = hsize;
+ second_indent = 0;
+ } else {
+ /* @<Set line length parameters in preparation for hanging indentation@> */
+ /* We compute the values of |easy_line| and the other local variables relating
+ to line length when the |line_break| procedure is initializing itself. */
+ last_special_line = abs(hang_after);
+ if (hang_after < 0) {
+ first_width = hsize - abs(hang_indent);
+ if (hang_indent >= 0)
+ first_indent = hang_indent;
+ else
+ first_indent = 0;
+ second_width = hsize;
+ second_indent = 0;
+ } else {
+ first_width = hsize;
+ first_indent = 0;
+ second_width = hsize - abs(hang_indent);
+ if (hang_indent >= 0)
+ second_indent = hang_indent;
+ else
+ second_indent = 0;
+ }
+ }
+ } else {
+ last_special_line = vinfo(par_shape_ptr + 1) - 1;
+ second_indent = varmem[(par_shape_ptr + (2 * last_special_line))].cint;
+ second_width =
+ varmem[(par_shape_ptr + 2 * (last_special_line + 1) + 1)].cint;
}
- } else {
- last_special_line=vinfo(par_shape_ptr+1)-1;
- second_indent=varmem[(par_shape_ptr+(2*last_special_line))].cint;
- second_width=varmem[(par_shape_ptr+2*(last_special_line+1)+1)].cint;
- }
- if (looseness==0)
- easy_line=last_special_line;
- else
- easy_line=max_halfword;
-
- no_shrink_error_yet=true;
- check_shrinkage(left_skip);
- check_shrinkage(right_skip);
- q=left_skip;
- r=right_skip;
- background[1]=width(q)+width(r);
- background[2]=0;
- background[3]=0;
- background[4]=0;
- background[5]=0;
- background[6]=0;
- background[2+stretch_order(q)] = stretch(q);
- background[2+stretch_order(r)] += stretch(r);
- background[7]=shrink(q)+shrink(r);
- if (pdf_adjust_spacing > 1) {
- background[8] = 0;
- background[9] = 0;
- max_stretch_ratio = -1;
- max_shrink_ratio = -1;
- cur_font_step = -1;
- set_prev_char_p(null);
- }
- /* @<Check for special treatment of last line of paragraph@>;*/
- /* The new algorithm for the last line requires that the stretchability
- |par_fill_skip| is infinite and the stretchability of |left_skip| plus
- |right_skip| is finite.
- */
- do_last_line_fit=false;
- if (last_line_fit>0) {
- q=glue_ptr(last_line_fill);
- if ((stretch(q)>0)&&(stretch_order(q)>normal)) {
- if ((background[3]==0)&&(background[4]==0)&&
- (background[5]==0)&&(background[6]==0)) {
- do_last_line_fit=true;
- fill_width[0]=0;
- fill_width[1]=0;
- fill_width[2]=0;
- fill_width[3]=0;
- fill_width[stretch_order(q)-1]=stretch(q);
- }
+ if (looseness == 0)
+ easy_line = last_special_line;
+ else
+ easy_line = max_halfword;
+
+ no_shrink_error_yet = true;
+ check_shrinkage(left_skip);
+ check_shrinkage(right_skip);
+ q = left_skip;
+ r = right_skip;
+ background[1] = width(q) + width(r);
+ background[2] = 0;
+ background[3] = 0;
+ background[4] = 0;
+ background[5] = 0;
+ background[6] = 0;
+ background[2 + stretch_order(q)] = stretch(q);
+ background[2 + stretch_order(r)] += stretch(r);
+ background[7] = shrink(q) + shrink(r);
+ if (pdf_adjust_spacing > 1) {
+ background[8] = 0;
+ background[9] = 0;
+ max_stretch_ratio = -1;
+ max_shrink_ratio = -1;
+ cur_font_step = -1;
+ set_prev_char_p(null);
}
- }
- /* @<DIR: Initialize |dir_ptr| for |line_break|@> */
- if (dir_ptr!=null) {
- fprintf(stdout,"-dir_node s %d\n",dir_ptr);
- flush_node_list(dir_ptr);
- dir_ptr=null;
- }
- /*push_dir(paragraph_dir);*/ /* TODO what was the point of this? */
-
- /* @<Find optimal breakpoints@>;*/
- threshold=pretolerance;
- if (threshold>=0) {
- if (tracing_paragraphs>0) {
- begin_diagnostic();
- tprint_nl("@firstpass");
+ /* @<Check for special treatment of last line of paragraph@>; */
+ /* The new algorithm for the last line requires that the stretchability
+ |par_fill_skip| is infinite and the stretchability of |left_skip| plus
+ |right_skip| is finite.
+ */
+ do_last_line_fit = false;
+ if (last_line_fit > 0) {
+ q = glue_ptr(last_line_fill);
+ if ((stretch(q) > 0) && (stretch_order(q) > normal)) {
+ if ((background[3] == 0) && (background[4] == 0) &&
+ (background[5] == 0) && (background[6] == 0)) {
+ do_last_line_fit = true;
+ fill_width[0] = 0;
+ fill_width[1] = 0;
+ fill_width[2] = 0;
+ fill_width[3] = 0;
+ fill_width[stretch_order(q) - 1] = stretch(q);
+ }
+ }
}
- second_pass=false;
- final_pass=false;
- } else {
- threshold=tolerance;
- second_pass=true;
- final_pass=(emergency_stretch<=0);
- if (tracing_paragraphs>0)
- begin_diagnostic();
- }
-
- while (1) {
- halfword first_p;
- halfword nest_stack[10];
- int nest_index = 0;
- if (threshold>inf_bad)
- threshold=inf_bad;
- /* Create an active breakpoint representing the beginning of the paragraph */
- q=new_node(unhyphenated_node,decent_fit);
- vlink(q)=active;
- break_node(q)=null;
- line_number(q)=cur_list.pg_field+1;
- total_demerits(q)=0;
- active_short(q)=0;
- active_glue(q)=0;
- vlink(active)=q;
- do_all_eight(store_background);
- passive=null;
- printed_node=temp_head;
- pass_number=0;
- font_in_short_display=null_font;
- /* /Create an active breakpoint representing the beginning of the paragraph */
- auto_breaking=true;
- cur_p=vlink(temp_head);
- assert(alink(cur_p)==temp_head);
- /* LOCAL: Initialize with first |local_paragraph| node */
- if ((type(cur_p)==whatsit_node)&&(subtype(cur_p)==local_par_node)) {
- internal_pen_inter=local_pen_inter(cur_p);
- internal_pen_broken=local_pen_broken(cur_p);
- init_internal_left_box=local_box_left(cur_p);
- init_internal_left_box_width=local_box_left_width(cur_p);
- internal_left_box=init_internal_left_box;
- internal_left_box_width=init_internal_left_box_width;
- internal_right_box=local_box_right(cur_p);
- internal_right_box_width=local_box_right_width(cur_p);
- } else {
- internal_pen_inter=0;
- internal_pen_broken=0;
- init_internal_left_box=null;
- init_internal_left_box_width=0;
- internal_left_box=init_internal_left_box;
- internal_left_box_width=init_internal_left_box_width;
- internal_right_box=null;
- internal_right_box_width=0;
+ /* @<DIR: Initialize |dir_ptr| for |line_break|@> */
+ if (dir_ptr != null) {
+ flush_node_list(dir_ptr);
+ dir_ptr = null;
}
- /* /LOCAL: Initialize with first |local_paragraph| node */
- set_prev_char_p (null);
- prev_legal = null;
- rejected_cur_p = null;
- try_prev_break = false;
- before_rejected_cur_p = false;
- first_p = cur_p;
- /* to access the first node of paragraph as the first active node
- has |break_node=null| */
- while ((cur_p!=null)&&(vlink(active)!=active)) {
- /* |try_break| if |cur_p| is a legal breakpoint; on the 2nd pass, also look at disc_nodes. */
-
- while (is_char_node(cur_p)) {
- /* Advance \(c)|cur_p| to the node following the present string of characters ;*/
- /* The code that passes over the characters of words in a paragraph is part of
- \TeX's inner loop, so it has been streamlined for speed. We use the fact that
- `\.{\\parfillskip}' glue appears at the end of each paragraph; it is therefore
- unnecessary to check if |vlink(cur_p)=null| when |cur_p| is a character node.
- */
- act_width += (is_rotated(line_break_dir))
- ? (glyph_height(cur_p)+glyph_depth(cur_p))
- : glyph_width(cur_p);
- if ((pdf_adjust_spacing > 1) && check_expand_pars(font(cur_p))) {
- set_prev_char_p (cur_p);
- add_char_stretch(active_width[8],cur_p);
- add_char_shrink(active_width[9],cur_p);
- }
- cur_p=vlink(cur_p);
- while (cur_p==null && nest_index>0) {
- cur_p = nest_stack[--nest_index];
- /* fprintf(stderr,"Node Pop %d [%d]\n",nest_index,(int)cur_p); */
+ /*push_dir(paragraph_dir); *//* TODO what was the point of this? */
+
+ /* @<Find optimal breakpoints@>; */
+ threshold = pretolerance;
+ if (threshold >= 0) {
+ if (tracing_paragraphs > 0) {
+ begin_diagnostic();
+ tprint_nl("@firstpass");
}
- }
- if (cur_p==null) { /* TODO */
- tconfusion("linebreak_tail");
- }
- /* Determine legal breaks: As we move through the hlist, we need to keep
- the |active_width| array up to date, so that the badness of individual
- lines is readily calculated by |try_break|. It is convenient to use the
- short name |act_width| for the component of active width that represents
- real width as opposed to glue. */
-
- switch (type(cur_p)) {
-
- case hlist_node:
- case vlist_node:
- act_width += (dir_orthogonal(dir_primary[box_dir(cur_p)], dir_primary[line_break_dir]))
- ? (depth(cur_p)+height(cur_p))
- : width(cur_p);
- break;
- case rule_node:
- act_width += width(cur_p);
- break;
- case whatsit_node:
- /* @<Advance \(p)past a whatsit node in the \(l)|line_break| loop@>;*/
- switch (subtype(cur_p)) {
- case local_par_node: /* @<LOCAL: Advance past a |local_paragraph| node@>;*/
- internal_pen_inter=local_pen_inter(cur_p);
- internal_pen_broken=local_pen_broken(cur_p);
- internal_left_box=local_box_left(cur_p);
- internal_left_box_width=local_box_left_width(cur_p);
- internal_right_box=local_box_right(cur_p);
- internal_right_box_width=local_box_right_width(cur_p);
- break;
- case dir_node: /* @<DIR: Adjust the dir stack for the |line_break| routine@>;*/
- if (dir_dir(cur_p)>=0) {
- line_break_dir=dir_dir(cur_p);
- push_dir_node(cur_p);
- } else {
- pop_dir_node();
- if (dir_ptr!=null)
- line_break_dir=dir_dir(dir_ptr);
- }
- break;
- case pdf_refxform_node:
- case pdf_refximage_node:
- act_width += pdf_width(cur_p);
- }
- /* / Advance \(p)past a whatsit node in the \(l)|line_break| loop/; */
- break;
- case glue_node:
- /* @<If node |cur_p| is a legal breakpoint, call |try_break|;
- then update the active widths by including the glue in
- |glue_ptr(cur_p)|@>; */
- /* When node |cur_p| is a glue node, we look at the previous to
- see whether or not a breakpoint is legal at |cur_p|, as
- explained above. */
- if (auto_breaking) {
- halfword prev_p = alink(cur_p);
- if (prev_p!=temp_head &&
- (is_char_node(prev_p) ||
- precedes_break(prev_p)||
- ((type(prev_p)==kern_node)&&(subtype(prev_p)!=explicit)))) {
- ext_try_break(0,unhyphenated_node, pdf_adjust_spacing, par_shape_ptr,
- adj_demerits, tracing_paragraphs, pdf_protrude_chars,
- line_penalty, last_line_fit, double_hyphen_demerits,
- final_hyphen_demerits,first_p,cur_p);
- }
- }
- check_shrinkage(glue_ptr(cur_p));
- q=glue_ptr(cur_p);
- act_width += width(q);
- active_width[2+stretch_order(q)] += stretch(q);
- active_width[7] += shrink(q);
- break;
- case kern_node:
- if (subtype(cur_p)==explicit) {
- kern_break();
+ second_pass = false;
+ final_pass = false;
+ } else {
+ threshold = tolerance;
+ second_pass = true;
+ final_pass = (emergency_stretch <= 0);
+ if (tracing_paragraphs > 0)
+ begin_diagnostic();
+ }
+
+ while (1) {
+ halfword first_p;
+ halfword nest_stack[10];
+ int nest_index = 0;
+ if (threshold > inf_bad)
+ threshold = inf_bad;
+ /* Create an active breakpoint representing the beginning of the paragraph */
+ q = new_node(unhyphenated_node, decent_fit);
+ vlink(q) = active;
+ break_node(q) = null;
+ line_number(q) = cur_list.pg_field + 1;
+ total_demerits(q) = 0;
+ active_short(q) = 0;
+ active_glue(q) = 0;
+ vlink(active) = q;
+ do_all_eight(store_background);
+ passive = null;
+ printed_node = temp_head;
+ pass_number = 0;
+ font_in_short_display = null_font;
+ /* /Create an active breakpoint representing the beginning of the paragraph */
+ auto_breaking = true;
+ cur_p = vlink(temp_head);
+ assert(alink(cur_p) == temp_head);
+ /* LOCAL: Initialize with first |local_paragraph| node */
+ if ((type(cur_p) == whatsit_node) && (subtype(cur_p) == local_par_node)) {
+ internal_pen_inter = local_pen_inter(cur_p);
+ internal_pen_broken = local_pen_broken(cur_p);
+ init_internal_left_box = local_box_left(cur_p);
+ init_internal_left_box_width = local_box_left_width(cur_p);
+ internal_left_box = init_internal_left_box;
+ internal_left_box_width = init_internal_left_box_width;
+ internal_right_box = local_box_right(cur_p);
+ internal_right_box_width = local_box_right_width(cur_p);
} else {
- act_width += width(cur_p);
- if ((pdf_adjust_spacing > 1) && (subtype(cur_p) == normal)) {
- add_kern_stretch(active_width[8],cur_p);
- add_kern_shrink(active_width[9],cur_p);
- }
+ internal_pen_inter = 0;
+ internal_pen_broken = 0;
+ init_internal_left_box = null;
+ init_internal_left_box_width = 0;
+ internal_left_box = init_internal_left_box;
+ internal_left_box_width = init_internal_left_box_width;
+ internal_right_box = null;
+ internal_right_box_width = 0;
}
- break;
- case disc_node:
- /* @<Try to break after a discretionary fragment, then |goto done5|@>;*/
- /* The following code knows that discretionary texts contain
- only character nodes, kern nodes, box nodes, and rule
- nodes. */
- if (second_pass) {
- int actual_penalty = hyphen_penalty;
- if (subtype(cur_p)==automatic_disc)
- actual_penalty = ex_hyphen_penalty;
- s=vlink_pre_break(cur_p);
- do_one_seven_eight(reset_disc_width);
- if (s==null) { /* trivial pre-break */
- ext_try_break(actual_penalty,hyphenated_node, pdf_adjust_spacing,
- par_shape_ptr, adj_demerits, tracing_paragraphs,
- pdf_protrude_chars, line_penalty, last_line_fit,
- double_hyphen_demerits, final_hyphen_demerits,first_p,cur_p);
- } else {
- do {
- /* @<Add the width of node |s| to |disc_width|@>;*/
- if (is_char_node(s)) {
- if (is_rotated(line_break_dir)) {
- disc_width[1] += (glyph_height(s)+glyph_depth(s));
- } else {
- disc_width[1] += glyph_width(s);
+ /* /LOCAL: Initialize with first |local_paragraph| node */
+ set_prev_char_p(null);
+ prev_legal = null;
+ rejected_cur_p = null;
+ try_prev_break = false;
+ before_rejected_cur_p = false;
+ first_p = cur_p;
+ /* to access the first node of paragraph as the first active node
+ has |break_node=null| */
+ while ((cur_p != null) && (vlink(active) != active)) {
+ /* |try_break| if |cur_p| is a legal breakpoint; on the 2nd pass, also look at disc_nodes. */
+
+ while (is_char_node(cur_p)) {
+ /* Advance \(c)|cur_p| to the node following the present string of characters ; */
+ /* The code that passes over the characters of words in a paragraph is part of
+ \TeX's inner loop, so it has been streamlined for speed. We use the fact that
+ `\.{\\parfillskip}' glue appears at the end of each paragraph; it is therefore
+ unnecessary to check if |vlink(cur_p)=null| when |cur_p| is a character node.
+ */
+ act_width += (is_rotated(line_break_dir))
+ ? (glyph_height(cur_p) + glyph_depth(cur_p))
+ : glyph_width(cur_p);
+ if ((pdf_adjust_spacing > 1) && check_expand_pars(font(cur_p))) {
+ set_prev_char_p(cur_p);
+ add_char_stretch(active_width[8], cur_p);
+ add_char_shrink(active_width[9], cur_p);
}
- if ((pdf_adjust_spacing > 1) && check_expand_pars(font(s))) {
- set_prev_char_p (s);
- add_char_stretch(disc_width[8],s);
- add_char_shrink(disc_width[9],s);
+ cur_p = vlink(cur_p);
+ while (cur_p == null && nest_index > 0) {
+ cur_p = nest_stack[--nest_index];
+ /* fprintf(stderr,"Node Pop %d [%d]\n",nest_index,(int)cur_p); */
}
- } else {
- switch (type(s)) {
- case hlist_node:
- case vlist_node:
- if (!(dir_orthogonal(dir_primary[box_dir(s)],
- dir_primary[line_break_dir]))) {
- disc_width[1] += width(s);
- } else {
- disc_width[1] += (depth(s)+height(s));
- }
- break;
- case kern_node:
- if ((pdf_adjust_spacing > 1) && (subtype(s) == normal)) {
- add_kern_stretch(disc_width[8],s);
- add_kern_shrink(disc_width[9],s);
- }
- /* fall through */
- case rule_node:
- disc_width[1] += width(s);
- break;
- case disc_node:
- tconfusion("pre_break_disc");
- break;
- default:
- tconfusion("disc3");
- }
- }
- /* /Add the width of node |s| to |disc_width| */
- s=vlink(s);
- } while (s!=null);
- do_one_seven_eight(add_disc_width_to_active_width);
- ext_try_break(actual_penalty,hyphenated_node, pdf_adjust_spacing,
- par_shape_ptr, adj_demerits, tracing_paragraphs,
- pdf_protrude_chars, line_penalty, last_line_fit,
- double_hyphen_demerits, final_hyphen_demerits,
- first_p,cur_p);
- do_one_seven_eight(sub_disc_width_from_active_width);
- }
-#define FOO 1
-#if FOO
-#if 0
- if (vlink(cur_p)!=null) nest_stack[nest_index++] = vlink(cur_p);
- cur_p = no_break(cur_p);
-#else
- s=vlink_no_break(cur_p);
- while (s!=null) {
- /* @<Add the width of node |s| to |act_width|@>;*/
- if (is_char_node(s)) {
- if (is_rotated(line_break_dir)) {
- act_width += glyph_height(s)+glyph_depth(s);
- } else {
- act_width += glyph_width(s);
- }
- if ((pdf_adjust_spacing > 1) && check_expand_pars(font(s))) {
- set_prev_char_p (s);
- add_char_stretch(active_width[8],s);
- add_char_shrink(active_width[9],s);
- };
- } else {
- switch (type(s)) {
- case hlist_node:
- case vlist_node:
- if (!(dir_orthogonal(dir_primary[box_dir(s)],
- dir_primary[line_break_dir])))
- act_width += width(s);
- else
- act_width += (depth(s)+height(s));
+ }
+ if (cur_p == null) { /* TODO */
+ tconfusion("linebreak_tail");
+ }
+ /* Determine legal breaks: As we move through the hlist, we need to keep
+ the |active_width| array up to date, so that the badness of individual
+ lines is readily calculated by |try_break|. It is convenient to use the
+ short name |act_width| for the component of active width that represents
+ real width as opposed to glue. */
+
+ switch (type(cur_p)) {
+
+ case hlist_node:
+ case vlist_node:
+ act_width +=
+ (dir_orthogonal
+ (dir_primary[box_dir(cur_p)], dir_primary[line_break_dir]))
+ ? (depth(cur_p) + height(cur_p))
+ : width(cur_p);
break;
- case kern_node:
- if ((pdf_adjust_spacing > 1) && (subtype(s) == normal)) {
- add_kern_stretch(active_width[8],s);
- add_kern_shrink(active_width[9],s);
+ case rule_node:
+ act_width += width(cur_p);
+ break;
+ case whatsit_node:
+ /* @<Advance \(p)past a whatsit node in the \(l)|line_break| loop@>; */
+ switch (subtype(cur_p)) {
+ case local_par_node: /* @<LOCAL: Advance past a |local_paragraph| node@>; */
+ internal_pen_inter = local_pen_inter(cur_p);
+ internal_pen_broken = local_pen_broken(cur_p);
+ internal_left_box = local_box_left(cur_p);
+ internal_left_box_width = local_box_left_width(cur_p);
+ internal_right_box = local_box_right(cur_p);
+ internal_right_box_width = local_box_right_width(cur_p);
+ break;
+ case dir_node: /* @<DIR: Adjust the dir stack for the |line_break| routine@>; */
+ if (dir_dir(cur_p) >= 0) {
+ line_break_dir = dir_dir(cur_p);
+ push_dir_node(cur_p);
+ } else {
+ pop_dir_node();
+ if (dir_ptr != null)
+ line_break_dir = dir_dir(dir_ptr);
+ }
+ break;
+ case pdf_refxform_node:
+ case pdf_refximage_node:
+ act_width += pdf_width(cur_p);
}
- /* fall through */
- case rule_node:
- act_width += width(s);
+ /* / Advance \(p)past a whatsit node in the \(l)|line_break| loop/; */
break;
- case disc_node:
- /* what now */
- assert(vlink(s)==null); /* discs are _always_ last */
- /* NB: temporary solution: not good, but not bad either */
- s = no_break(s);
+ case glue_node:
+ /* @<If node |cur_p| is a legal breakpoint, call |try_break|;
+ then update the active widths by including the glue in
+ |glue_ptr(cur_p)|@>; */
+ /* When node |cur_p| is a glue node, we look at the previous to
+ see whether or not a breakpoint is legal at |cur_p|, as
+ explained above. */
+ /* *INDENT-OFF* */
+ if (auto_breaking) {
+ halfword prev_p = alink(cur_p);
+ if (prev_p != temp_head &&
+ (is_char_node(prev_p) ||
+ precedes_break(prev_p) ||
+ ((type(prev_p) == kern_node)
+ && (subtype(prev_p) != explicit)))) {
+ ext_try_break(0, unhyphenated_node, pdf_adjust_spacing,
+ par_shape_ptr, adj_demerits,
+ tracing_paragraphs, pdf_protrude_chars,
+ line_penalty, last_line_fit,
+ double_hyphen_demerits,
+ final_hyphen_demerits, first_p, cur_p);
+ }
+ }
+ /* *INDENT-ON* */
+ check_shrinkage(glue_ptr(cur_p));
+ q = glue_ptr(cur_p);
+ act_width += width(q);
+ active_width[2 + stretch_order(q)] += stretch(q);
+ active_width[7] += shrink(q);
break;
- default:
- tconfusion("disc5");
- }
- }
- /* /Add the width of node |s| to |act_width|;*/
- s=vlink(s);
- }
-#endif
- } else { /* first pass, just take the no_break path */
-#else /* FOO */
- }
-#endif /* FOO */
+ case kern_node:
+ if (subtype(cur_p) == explicit) {
+ kern_break();
+ } else {
+ act_width += width(cur_p);
+ if ((pdf_adjust_spacing > 1) && (subtype(cur_p) == normal)) {
+ add_kern_stretch(active_width[8], cur_p);
+ add_kern_shrink(active_width[9], cur_p);
+ }
+ }
+ break;
+ case disc_node:
+ /* @<Try to break after a discretionary fragment, then |goto done5|@>; */
+ /* The following code knows that discretionary texts contain
+ only character nodes, kern nodes, box nodes, and rule
+ nodes. */
+ if (second_pass) {
+ int actual_penalty = hyphen_penalty;
+ if (subtype(cur_p) == automatic_disc)
+ actual_penalty = ex_hyphen_penalty;
+ s = vlink_pre_break(cur_p);
+ do_one_seven_eight(reset_disc_width);
+ if (s == null) { /* trivial pre-break */
+ ext_try_break(actual_penalty, hyphenated_node,
+ pdf_adjust_spacing, par_shape_ptr,
+ adj_demerits, tracing_paragraphs,
+ pdf_protrude_chars, line_penalty,
+ last_line_fit, double_hyphen_demerits,
+ final_hyphen_demerits, first_p, cur_p);
+ } else {
+ do {
+ /* @<Add the width of node |s| to |disc_width|@>; */
+ if (is_char_node(s)) {
+ if (is_rotated(line_break_dir)) {
+ disc_width[1] +=
+ (glyph_height(s) + glyph_depth(s));
+ } else {
+ disc_width[1] += glyph_width(s);
+ }
+ if ((pdf_adjust_spacing > 1)
+ && check_expand_pars(font(s))) {
+ set_prev_char_p(s);
+ add_char_stretch(disc_width[8], s);
+ add_char_shrink(disc_width[9], s);
+ }
+ } else {
+ switch (type(s)) {
+ case hlist_node:
+ case vlist_node:
+ if (!
+ (dir_orthogonal
+ (dir_primary[box_dir(s)],
+ dir_primary[line_break_dir]))) {
+ disc_width[1] += width(s);
+ } else {
+ disc_width[1] += (depth(s) + height(s));
+ }
+ break;
+ case kern_node:
+ if ((pdf_adjust_spacing > 1)
+ && (subtype(s) == normal)) {
+ add_kern_stretch(disc_width[8], s);
+ add_kern_shrink(disc_width[9], s);
+ }
+ /* fall through */
+ case rule_node:
+ disc_width[1] += width(s);
+ break;
+ case disc_node:
+ tconfusion("pre_break_disc");
+ break;
+ default:
+ tconfusion("disc3");
+ }
+ }
+ /* /Add the width of node |s| to |disc_width| */
+ s = vlink(s);
+ } while (s != null);
+ do_one_seven_eight(add_disc_width_to_active_width);
+ ext_try_break(actual_penalty, hyphenated_node,
+ pdf_adjust_spacing, par_shape_ptr,
+ adj_demerits, tracing_paragraphs,
+ pdf_protrude_chars, line_penalty,
+ last_line_fit, double_hyphen_demerits,
+ final_hyphen_demerits, first_p, cur_p);
+ do_one_seven_eight(sub_disc_width_from_active_width);
+ }
+#define FOO 1
+#if FOO
+# if 0
+ if (vlink(cur_p) != null)
+ nest_stack[nest_index++] = vlink(cur_p);
+ cur_p = no_break(cur_p);
+# else
+ s = vlink_no_break(cur_p);
+ while (s != null) {
+ /* @<Add the width of node |s| to |act_width|@>; */
+ if (is_char_node(s)) {
+ if (is_rotated(line_break_dir)) {
+ act_width += glyph_height(s) + glyph_depth(s);
+ } else {
+ act_width += glyph_width(s);
+ }
+ if ((pdf_adjust_spacing > 1)
+ && check_expand_pars(font(s))) {
+ set_prev_char_p(s);
+ add_char_stretch(active_width[8], s);
+ add_char_shrink(active_width[9], s);
+ };
+ } else {
+ switch (type(s)) {
+ case hlist_node:
+ case vlist_node:
+ if (!(dir_orthogonal(dir_primary[box_dir(s)],
+ dir_primary
+ [line_break_dir])))
+ act_width += width(s);
+ else
+ act_width += (depth(s) + height(s));
+ break;
+ case kern_node:
+ if ((pdf_adjust_spacing > 1)
+ && (subtype(s) == normal)) {
+ add_kern_stretch(active_width[8], s);
+ add_kern_shrink(active_width[9], s);
+ }
+ /* fall through */
+ case rule_node:
+ act_width += width(s);
+ break;
+ case disc_node:
+ /* what now */
+ assert(vlink(s) == null); /* discs are _always_ last */
+ /* NB: temporary solution: not good, but not bad either */
+ s = no_break(s);
+ break;
+ default:
+ tconfusion("disc5");
+ }
+ }
+ /* /Add the width of node |s| to |act_width|; */
+ s = vlink(s);
+ }
+# endif
+ } else { /* first pass, just take the no_break path */
+#else /* FOO */
+ }
+#endif /* FOO */
#if 0
- if (vlink_no_break(cur_p)!=null) {
- if (vlink(cur_p)!=null) nest_stack[nest_index++] = vlink(cur_p);
- /* fprintf(stderr,"Node Push %d [%d]->[%d] / [%d]\n",(nest_index-1),(int)cur_p,(int)vlink(cur_p),(int)vlink_no_break(cur_p));*/
- cur_p = no_break(cur_p);
- }
+ if (vlink_no_break(cur_p) != null) {
+ if (vlink(cur_p) != null)
+ nest_stack[nest_index++] = vlink(cur_p);
+ /* fprintf(stderr,"Node Push %d [%d]->[%d] / [%d]\n",(nest_index-1),(int)cur_p,(int)vlink(cur_p),(int)vlink_no_break(cur_p)); */
+ cur_p = no_break(cur_p);
+ }
#else
- s=vlink_no_break(cur_p);
- while (s!=null) {
- /* @<Add the width of node |s| to |act_width|@>;*/
- if (is_char_node(s)) {
- if (is_rotated(line_break_dir)) {
- act_width += glyph_height(s)+glyph_depth(s);
- } else {
- act_width += glyph_width(s);
- }
- if ((pdf_adjust_spacing > 1) && check_expand_pars(font(s))) {
- set_prev_char_p (s);
- add_char_stretch(active_width[8],s);
- add_char_shrink(active_width[9],s);
- };
- } else {
- switch (type(s)) {
- case hlist_node:
- case vlist_node:
- if (!(dir_orthogonal(dir_primary[box_dir(s)],
- dir_primary[line_break_dir])))
- act_width += width(s);
- else
- act_width += (depth(s)+height(s));
- break;
- case kern_node:
- if ((pdf_adjust_spacing > 1) && (subtype(s) == normal)) {
- add_kern_stretch(active_width[8],s);
- add_kern_shrink(active_width[9],s);
+ s = vlink_no_break(cur_p);
+ while (s != null) {
+ /* @<Add the width of node |s| to |act_width|@>; */
+ if (is_char_node(s)) {
+ if (is_rotated(line_break_dir)) {
+ act_width += glyph_height(s) + glyph_depth(s);
+ } else {
+ act_width += glyph_width(s);
+ }
+ if ((pdf_adjust_spacing > 1)
+ && check_expand_pars(font(s))) {
+ set_prev_char_p(s);
+ add_char_stretch(active_width[8], s);
+ add_char_shrink(active_width[9], s);
+ };
+ } else {
+ switch (type(s)) {
+ case hlist_node:
+ case vlist_node:
+ if (!(dir_orthogonal(dir_primary[box_dir(s)],
+ dir_primary[line_break_dir])))
+ act_width += width(s);
+ else
+ act_width += (depth(s) + height(s));
+ break;
+ case kern_node:
+ if ((pdf_adjust_spacing > 1)
+ && (subtype(s) == normal)) {
+ add_kern_stretch(active_width[8], s);
+ add_kern_shrink(active_width[9], s);
+ }
+ /* fall through */
+ case rule_node:
+ act_width += width(s);
+ break;
+ case disc_node:
+ assert(vlink(s) == null); /* discs are _always_ last */
+ s = no_break(s);
+ break;
+ default:
+ tconfusion("disc4");
+ }
+ }
+ /* /Add the width of node |s| to |act_width|; */
+ s = vlink(s);
}
- /* fall through */
- case rule_node:
- act_width += width(s);
- break;
- case disc_node:
- assert(vlink(s)==null); /* discs are _always_ last */
- s = no_break(s);
- break;
- default:
- tconfusion("disc4");
- }
- }
- /* /Add the width of node |s| to |act_width|;*/
- s=vlink(s);
- }
#endif
#if FOO
+ }
+#endif /* FOO */
+ break;
+case math_node:
+ auto_breaking = (subtype(cur_p) == after);
+ kern_break();
+ break;
+case penalty_node:
+ ext_try_break(penalty(cur_p), unhyphenated_node, pdf_adjust_spacing,
+ par_shape_ptr, adj_demerits, tracing_paragraphs,
+ pdf_protrude_chars, line_penalty, last_line_fit,
+ double_hyphen_demerits, final_hyphen_demerits,
+ first_p, cur_p);
+ break;
+case mark_node:
+case ins_node:
+case adjust_node:
+ break;
+case glue_spec_node:
+ fprintf(stdout, "\nfound a glue_spec in a paragraph!");
+ break;
+default:
+ fprintf(stdout, "\ntype=%d", type(cur_p));
+ tconfusion("paragraph");
+ }
+ cur_p = vlink(cur_p);
+ while (cur_p == null && nest_index > 0) {
+ cur_p = nest_stack[--nest_index];
+ /* fprintf(stderr,"Node Pop %d [%d]\n",nest_index,(int)cur_p); */
}
-#endif /* FOO */
- break;
- case math_node:
- auto_breaking=(subtype(cur_p)==after);
- kern_break();
- break;
- case penalty_node:
- ext_try_break(penalty(cur_p),unhyphenated_node, pdf_adjust_spacing,
- par_shape_ptr, adj_demerits, tracing_paragraphs,
- pdf_protrude_chars, line_penalty, last_line_fit,
- double_hyphen_demerits, final_hyphen_demerits,first_p,cur_p);
- break;
- case mark_node:
- case ins_node:
- case adjust_node:
- break;
- case glue_spec_node:
- fprintf(stdout, "\nfound a glue_spec in a paragraph!");
- break;
- default:
- fprintf(stdout, "\ntype=%d",type(cur_p));
- tconfusion("paragraph") ;
- }
- cur_p=vlink(cur_p);
- while (cur_p==null && nest_index>0) {
- cur_p = nest_stack[--nest_index];
- /* fprintf(stderr,"Node Pop %d [%d]\n",nest_index,(int)cur_p);*/
- }
}
- if (cur_p==null) {
- /* Try the final line break at the end of the paragraph,
- and |goto done| if the desired breakpoints have been found */
-
- /* The forced line break at the paragraph's end will reduce the list of
- breakpoints so that all active nodes represent breaks at |cur_p=null|.
- On the first pass, we insist on finding an active node that has the
- correct ``looseness.'' On the final pass, there will be at least one active
- node, and we will match the desired looseness as well as we can.
-
- The global variable |best_bet| will be set to the active node for the best
- way to break the paragraph, and a few other variables are used to
- help determine what is best.
- */
-
- ext_try_break(eject_penalty,hyphenated_node, pdf_adjust_spacing,
- par_shape_ptr, adj_demerits, tracing_paragraphs,
- pdf_protrude_chars,line_penalty, last_line_fit,
- double_hyphen_demerits, final_hyphen_demerits,first_p,cur_p);
- if (vlink(active)!=active) {
- /* @<Find an active node with fewest demerits@>;*/
- r=vlink(active);
- fewest_demerits=awful_bad;
- do {
- if (type(r)!=delta_node) {
- if (total_demerits(r)<fewest_demerits) {
- fewest_demerits=total_demerits(r);
- best_bet=r;
- }
- }
- r=vlink(r);
- } while (r!=active);
- best_line=line_number(best_bet);
-
- /* /Find an active node with fewest demerits;*/
- if (looseness==0)
- goto DONE;
- /*@<Find the best active node for the desired looseness@>;*/
-
- /* The adjustment for a desired looseness is a slightly more complicated
- version of the loop just considered. Note that if a paragraph is broken
- into segments by displayed equations, each segment will be subject to the
- looseness calculation, independently of the other segments.
- */
- r=vlink(active);
- actual_looseness=0;
- do {
- if (type(r)!=delta_node) {
- line_diff=line_number(r)-best_line;
- if (((line_diff<actual_looseness)&&(looseness<=line_diff))||
- ((line_diff>actual_looseness)&&(looseness>=line_diff))) {
- best_bet=r;
- actual_looseness=line_diff;
- fewest_demerits=total_demerits(r);
- } else if ((line_diff==actual_looseness)&&
- (total_demerits(r)<fewest_demerits)) {
- best_bet=r;
- fewest_demerits=total_demerits(r);
- }
- }
- r=vlink(r);
- } while (r!=active);
- best_line=line_number(best_bet);
-
- /* /Find the best active node for the desired looseness;*/
- if ((actual_looseness==looseness)|| final_pass)
- goto DONE;
- }
+ if (cur_p == null) {
+ /* Try the final line break at the end of the paragraph,
+ and |goto done| if the desired breakpoints have been found */
+
+ /* The forced line break at the paragraph's end will reduce the list of
+ breakpoints so that all active nodes represent breaks at |cur_p=null|.
+ On the first pass, we insist on finding an active node that has the
+ correct ``looseness.'' On the final pass, there will be at least one active
+ node, and we will match the desired looseness as well as we can.
+
+ The global variable |best_bet| will be set to the active node for the best
+ way to break the paragraph, and a few other variables are used to
+ help determine what is best.
+ */
+
+ ext_try_break(eject_penalty, hyphenated_node, pdf_adjust_spacing,
+ par_shape_ptr, adj_demerits, tracing_paragraphs,
+ pdf_protrude_chars, line_penalty, last_line_fit,
+ double_hyphen_demerits, final_hyphen_demerits, first_p,
+ cur_p);
+ if (vlink(active) != active) {
+ /* @<Find an active node with fewest demerits@>; */
+ r = vlink(active);
+ fewest_demerits = awful_bad;
+ do {
+ if (type(r) != delta_node) {
+ if (total_demerits(r) < fewest_demerits) {
+ fewest_demerits = total_demerits(r);
+ best_bet = r;
+ }
+ }
+ r = vlink(r);
+ } while (r != active);
+ best_line = line_number(best_bet);
+
+ /* /Find an active node with fewest demerits; */
+ if (looseness == 0)
+ goto DONE;
+ /*@<Find the best active node for the desired looseness@>; */
+
+ /* The adjustment for a desired looseness is a slightly more complicated
+ version of the loop just considered. Note that if a paragraph is broken
+ into segments by displayed equations, each segment will be subject to the
+ looseness calculation, independently of the other segments.
+ */
+ r = vlink(active);
+ actual_looseness = 0;
+ do {
+ if (type(r) != delta_node) {
+ line_diff = line_number(r) - best_line;
+ if (((line_diff < actual_looseness)
+ && (looseness <= line_diff))
+ || ((line_diff > actual_looseness)
+ && (looseness >= line_diff))) {
+ best_bet = r;
+ actual_looseness = line_diff;
+ fewest_demerits = total_demerits(r);
+ } else if ((line_diff == actual_looseness) &&
+ (total_demerits(r) < fewest_demerits)) {
+ best_bet = r;
+ fewest_demerits = total_demerits(r);
+ }
+ }
+ r = vlink(r);
+ } while (r != active);
+ best_line = line_number(best_bet);
+
+ /* /Find the best active node for the desired looseness; */
+ if ((actual_looseness == looseness) || final_pass)
+ goto DONE;
+ }
}
-
+
/* Clean up the memory by removing the break nodes; */
clean_up_the_memory();
/* /Clean up the memory by removing the break nodes; */
- if (!second_pass) {
- if (tracing_paragraphs>0)
- tprint_nl("@secondpass");
- threshold=tolerance;
- second_pass=true;
- final_pass=(emergency_stretch<=0);
- } else { /* if at first you do not succeed, \dots */
- if (tracing_paragraphs>0)
- tprint_nl("@emergencypass");
- background[2] += emergency_stretch;
- final_pass=true;
+ if (!second_pass) {
+ if (tracing_paragraphs > 0)
+ tprint_nl("@secondpass");
+ threshold = tolerance;
+ second_pass = true;
+ final_pass = (emergency_stretch <= 0);
+ } else { /* if at first you do not succeed, \dots */
+ if (tracing_paragraphs > 0)
+ tprint_nl("@emergencypass");
+ background[2] += emergency_stretch;
+ final_pass = true;
}
- }
- DONE:
- if (tracing_paragraphs>0) {
- end_diagnostic(true);
- normalize_selector();
- }
- if (do_last_line_fit) {
- /* Adjust \(t)the final line of the paragraph;*/
+}
+
+DONE:
+if (tracing_paragraphs > 0) {
+ end_diagnostic(true);
+ normalize_selector();
+}
+if (do_last_line_fit) {
+ /* Adjust \(t)the final line of the paragraph; */
/* Here we either reset |do_last_line_fit| or adjust the |par_fill_skip| glue.
*/
- if (active_short(best_bet)==0) {
- do_last_line_fit=false;
- } else {
- q=new_spec(glue_ptr(last_line_fill));
- delete_glue_ref(glue_ptr(last_line_fill));
- width(q) += (active_short(best_bet)-active_glue(best_bet));
- stretch(q)=0;
- glue_ptr(last_line_fill)=q;
+ if (active_short(best_bet) == 0) {
+ do_last_line_fit = false;
+ } else {
+ q = new_spec(glue_ptr(last_line_fill));
+ delete_glue_ref(glue_ptr(last_line_fill));
+ width(q) += (active_short(best_bet) - active_glue(best_bet));
+ stretch(q) = 0;
+ glue_ptr(last_line_fill) = q;
}
- /* /Adjust \(t)the final line of the paragraph;*/
- }
+ /* /Adjust \(t)the final line of the paragraph; */
+}
/* @<Break the paragraph at the chosen...@>; */
/* Once the best sequence of breakpoints has been found (hurray), we call on the
procedure |post_line_break| to finish the remainder of the work.
(By introducing this subprocedure, we are able to keep |line_break|
from getting extremely long.)
- */
- ext_post_line_break(d,
- right_skip,
- left_skip,
- pdf_protrude_chars,
- par_shape_ptr,
- pdf_adjust_spacing,
- pdf_each_line_height,
- pdf_each_line_depth,
- pdf_first_line_height,
- pdf_last_line_depth,
- inter_line_penalties_ptr,
- inter_line_penalty,
- club_penalty,
- club_penalties_ptr,
- display_widow_penalties_ptr,
- widow_penalties_ptr,
- display_widow_penalty,
- widow_penalty,
- broken_penalty,
- final_par_glue,
- best_bet,
- last_special_line,
- second_width,
- second_indent,
- first_width,
- first_indent,
- best_line
- );
+ */
+ext_post_line_break(d,
+ right_skip,
+ left_skip,
+ pdf_protrude_chars,
+ par_shape_ptr,
+ pdf_adjust_spacing,
+ pdf_each_line_height,
+ pdf_each_line_depth,
+ pdf_first_line_height,
+ pdf_last_line_depth,
+ inter_line_penalties_ptr,
+ inter_line_penalty,
+ club_penalty,
+ club_penalties_ptr,
+ display_widow_penalties_ptr,
+ widow_penalties_ptr,
+ display_widow_penalty,
+ widow_penalty,
+ broken_penalty,
+ final_par_glue,
+ best_bet,
+ last_special_line,
+ second_width,
+ second_indent, first_width, first_indent, best_line);
/* /Break the paragraph at the chosen... */
/* Clean up the memory by removing the break nodes; */
- clean_up_the_memory();
+clean_up_the_memory();
/*
- flush_node_list(dir_ptr);
- dir_ptr=null;
- */
+ flush_node_list(dir_ptr);
+ dir_ptr=null;
+ */
}
-
-
diff --git a/Build/source/texk/web2c/luatexdir/tex/postlinebreak.c b/Build/source/texk/web2c/luatexdir/tex/postlinebreak.c
index 86b9562c262..21451602f8b 100644
--- a/Build/source/texk/web2c/luatexdir/tex/postlinebreak.c
+++ b/Build/source/texk/web2c/luatexdir/tex/postlinebreak.c
@@ -1,4 +1,4 @@
-/* $Id: postlinebreak.c 1078 2008-03-05 15:33:46Z taco $ */
+/* $Id: postlinebreak.c 1155 2008-04-14 07:53:21Z oneiros $ */
#include "luatex-api.h"
#include <ptexlib.h>
@@ -22,19 +22,19 @@ point to a glue node, penalty node, explicit kern node, or math node.
*/
-static halfword
-do_push_dir_node (halfword p, halfword a ) {
- halfword n;
- n = copy_node(a);
- vlink(n) = p;
- return n;
+static halfword do_push_dir_node(halfword p, halfword a)
+{
+ halfword n;
+ n = copy_node(a);
+ vlink(n) = p;
+ return n;
}
-static halfword
-do_pop_dir_node ( halfword p ) {
- halfword n = vlink(p);
- flush_node(p);
- return n;
+static halfword do_pop_dir_node(halfword p)
+{
+ halfword n = vlink(p);
+ flush_node(p);
+ return n;
}
@@ -53,460 +53,468 @@ and begin direction instructions at the beginnings of lines.
*/
-#define next_break prev_break /*new name for |prev_break| after links are reversed*/
+#define next_break prev_break /*new name for |prev_break| after links are reversed */
#define append_list(a,b) \
{ vlink(cur_list.tail_field)=vlink((a)); cur_list.tail_field = b; }
-#define left_skip_code 7 /*glue at left of justified lines*/
-#define right_skip_code 8 /*glue at right of justified lines*/
+#define left_skip_code 7 /*glue at left of justified lines */
+#define right_skip_code 8 /*glue at right of justified lines */
/* the ints are actually halfwords */
-void ext_post_line_break(boolean d,
- int right_skip,
- int left_skip,
- int pdf_protrude_chars,
- halfword par_shape_ptr,
- int pdf_adjust_spacing,
- int pdf_each_line_height,
- int pdf_each_line_depth,
- int pdf_first_line_height,
- int pdf_last_line_depth,
- halfword inter_line_penalties_ptr,
- int inter_line_penalty,
- int club_penalty,
- halfword club_penalties_ptr,
- halfword display_widow_penalties_ptr,
- halfword widow_penalties_ptr,
- int display_widow_penalty,
- int widow_penalty,
- int broken_penalty,
- halfword final_par_glue,
- halfword best_bet,
- halfword last_special_line,
- scaled second_width,
- scaled second_indent,
- scaled first_width,
- scaled first_indent,
- halfword best_line ) {
-
- boolean have_directional = true;
- halfword q,r,s; /* temporary registers for list manipulation */
- halfword p, k;
- scaled w;
- boolean glue_break; /* was a break at glue? */
- boolean disc_break; /*was the current break at a discretionary node?*/
- boolean post_disc_break; /*and did it have a nonempty post-break part?*/
- scaled cur_width; /*width of line number |cur_line|*/
- scaled cur_indent; /*left margin of line number |cur_line|*/
- integer pen; /*use when calculating penalties between lines */
- halfword cur_p; /* cur_p, but localized */
- halfword cur_line; /*the current line number being justified*/
-
- dir_ptr = cur_list.dirs_field;
- /* @<Reverse the links of the relevant passive nodes, setting |cur_p| to
- the first breakpoint@>; */
- /* The job of reversing links in a list is conveniently regarded as the job
- of taking items off one stack and putting them on another. In this case we
- take them off a stack pointed to by |q| and having |prev_break| fields;
- we put them on a stack pointed to by |cur_p| and having |next_break| fields.
- Node |r| is the passive node being moved from stack to stack.
- */
- q=break_node(best_bet);
- /*used_discs = used_disc(best_bet);*/
- /*has_direction*/
- cur_p=null;
- do {
- r=q;
- q=prev_break(q);
- next_break(r)=cur_p;
- cur_p=r;
- } while (q!=null);
- /* |cur_p| is now the first breakpoint; */
-
- cur_line=cur_list.pg_field+1; /* prevgraf+1 */
-
- do {
- /* @<Justify the line ending at breakpoint |cur_p|, and append it to the
- current vertical list, together with associated penalties and other
- insertions@>; */
- /* The current line to be justified appears in a horizontal list starting
- at |vlink(temp_head)| and ending at |cur_break(cur_p)|. If |cur_break(cur_p)| is
- a glue node, we reset the glue to equal the |right_skip| glue; otherwise
- we append the |right_skip| glue at the right. If |cur_break(cur_p)| is a
- discretionary node, we modify the list so that the discretionary break
- is compulsory, and we set |disc_break| to |true|. We also append
- the |left_skip| glue at the left of the line, unless it is zero. */
+void ext_post_line_break(boolean d,
+ int right_skip,
+ int left_skip,
+ int pdf_protrude_chars,
+ halfword par_shape_ptr,
+ int pdf_adjust_spacing,
+ int pdf_each_line_height,
+ int pdf_each_line_depth,
+ int pdf_first_line_height,
+ int pdf_last_line_depth,
+ halfword inter_line_penalties_ptr,
+ int inter_line_penalty,
+ int club_penalty,
+ halfword club_penalties_ptr,
+ halfword display_widow_penalties_ptr,
+ halfword widow_penalties_ptr,
+ int display_widow_penalty,
+ int widow_penalty,
+ int broken_penalty,
+ halfword final_par_glue,
+ halfword best_bet,
+ halfword last_special_line,
+ scaled second_width,
+ scaled second_indent,
+ scaled first_width,
+ scaled first_indent, halfword best_line)
+{
+
+ boolean have_directional = true;
+ halfword q, r, s; /* temporary registers for list manipulation */
+ halfword p, k;
+ scaled w;
+ boolean glue_break; /* was a break at glue? */
+ boolean disc_break; /*was the current break at a discretionary node? */
+ boolean post_disc_break; /*and did it have a nonempty post-break part? */
+ scaled cur_width; /*width of line number |cur_line| */
+ scaled cur_indent; /*left margin of line number |cur_line| */
+ integer pen; /*use when calculating penalties between lines */
+ halfword cur_p; /* cur_p, but localized */
+ halfword cur_line; /*the current line number being justified */
+
+ dir_ptr = cur_list.dirs_field;
+ /* @<Reverse the links of the relevant passive nodes, setting |cur_p| to
+ the first breakpoint@>; */
+ /* The job of reversing links in a list is conveniently regarded as the job
+ of taking items off one stack and putting them on another. In this case we
+ take them off a stack pointed to by |q| and having |prev_break| fields;
+ we put them on a stack pointed to by |cur_p| and having |next_break| fields.
+ Node |r| is the passive node being moved from stack to stack.
+ */
+ q = break_node(best_bet);
+ /*used_discs = used_disc(best_bet); */
+ /*has_direction */
+ cur_p = null;
+ do {
+ r = q;
+ q = prev_break(q);
+ next_break(r) = cur_p;
+ cur_p = r;
+ } while (q != null);
+ /* |cur_p| is now the first breakpoint; */
+
+ cur_line = cur_list.pg_field + 1; /* prevgraf+1 */
+
+ do {
+ /* @<Justify the line ending at breakpoint |cur_p|, and append it to the
+ current vertical list, together with associated penalties and other
+ insertions@>; */
+ /* The current line to be justified appears in a horizontal list starting
+ at |vlink(temp_head)| and ending at |cur_break(cur_p)|. If |cur_break(cur_p)| is
+ a glue node, we reset the glue to equal the |right_skip| glue; otherwise
+ we append the |right_skip| glue at the right. If |cur_break(cur_p)| is a
+ discretionary node, we modify the list so that the discretionary break
+ is compulsory, and we set |disc_break| to |true|. We also append
+ the |left_skip| glue at the left of the line, unless it is zero. */
#if 0
- tprint("BEGIN OF LINE ");
- print_int(cur_break(cur_p));
- breadth_max=100000;
- depth_threshold=100000;
- show_node_list(temp_head);
+ tprint("BEGIN OF LINE ");
+ print_int(cur_break(cur_p));
+ breadth_max = 100000;
+ depth_threshold = 100000;
+ show_node_list(temp_head);
#endif
-
- /* DIR: Insert dir nodes at the beginning of the current line;*/
- for (q=dir_ptr;q!=null;q=vlink(q)) {
- halfword tmp = new_dir(dir_dir(q));
- halfword nxt = vlink(temp_head);
- couple_nodes(temp_head,tmp);
- couple_nodes(tmp,nxt);
- }
- if (dir_ptr!=null) {
- flush_node_list(dir_ptr); dir_ptr=null;
- }
-
- /* Modify the end of the line to reflect the nature of the break and to
- include \.{\\rightskip}; also set the proper value of |disc_break|; */
- /* At the end of the following code, |q| will point to the final node on the
- list about to be justified. In the meanwhile |r| will point to the
- node we will use to insert end-of-line stuff after. |q==null| means
- we use the final position of |r| */
- r = cur_break(cur_p);
- q = null;
- disc_break=false;
- post_disc_break=false;
- glue_break = false;
-
- if (r==null) {
- for (r=temp_head; vlink(r)!=null; r=vlink(r));
- if (r==final_par_glue) {
- /* This should almost always be true... */
- /* TODO assert ? */
- q = r;
- /* |q| refers to the last node of the line (and paragraph) */
- r = alink(r);
- }
- /* |r| refers to the node after which the dir nodes should be closed */
- } else if (type(r)==glue_node) {
- delete_glue_ref(glue_ptr(r));
- glue_ptr(r)=right_skip;
- subtype(r)=right_skip_code+1;
- incr(glue_ref_count(right_skip));
- glue_break = true;
- /* |q| refers to the last node of the line */
- q = r;
- r=alink(r);
- assert(vlink(r)==q);
- /* |r| refers to the node after which the dir nodes should be closed */
- } else if (type(r)==disc_node) {
- halfword a = alink(r);
- assert(a!=null);
- halfword v = vlink(r);
- if (v==null) { /* nested disc, let's unfold */
- fprintf(stderr,"Nested disc [%d]<-[%d]->null\n",(int)a,(int)r);
- do {
- halfword d;
- while (alink(a)!=null) a = alink(a);
- assert(type(a)==nesting_node);
- assert(subtype(a)=no_break_head(0)); /* No_break */
- d = a - subtype(a); /* MAGIC subtype is offset of nesting with disc */
- assert(type(d)==disc_node);
- v = vlink(d);
- a = alink(d);
- fprintf(stderr,"Up to disc [%d]<-[%d]->[%d] & link [%d]\n",(int)a,(int)d,(int)v,(int)vlink_no_break(d));
- assert(a!=null);
- couple_nodes(a,vlink_no_break(d));
- vlink_no_break(d)=null;
- tlink_no_break(d)=null;
- flush_node(d);
- } while (v==null);
- couple_nodes(r,v);
- fprintf(stderr,"Close list [%d]<->[%d] a=[%d]\n",(int)r,(int)v,(int)alink(r));
- a = alink(r);
- }
- if (vlink_no_break(r)!=null) {
- flush_node_list(vlink_no_break(r));
- vlink_no_break(r)=null;
- tlink_no_break(r)=null;
- }
- if (vlink_pre_break(r)!=null) {
- couple_nodes(a,vlink_pre_break(r));
- couple_nodes(tlink_pre_break(r),r);
- vlink_pre_break(r)=null;
- tlink_pre_break(r)=null;
- }
- if (vlink_post_break(r)!=null) {
- couple_nodes(r,vlink_post_break(r));
- couple_nodes(tlink_post_break(r),v);
- vlink_post_break(r)=null;
- tlink_post_break(r)=null;
- post_disc_break = true;
- }
- disc_break=true;
- } else if (type(r)==kern_node) {
- width(r)=0;
- } else if (type(r)==math_node) {
- surround(r)=0;
- }
-
- /* DIR: Adjust the dir stack based on dir nodes in this line; */
- /* TODO what about the previousparagraph ??? */
- if (have_directional) {
- halfword e;
- halfword p;
- for(e=vlink(temp_head); e!=null && e!=cur_break(cur_p); e=vlink(e)) {
- if (type(e)!=whatsit_node || subtype(e)!=dir_node)
- continue;
- if (dir_dir(e)>=0) {
- dir_ptr = do_push_dir_node(dir_ptr,e);
- } else if (dir_ptr!=null && dir_dir(dir_ptr)==(dir_dir(e)+64)) {
- dir_ptr = do_pop_dir_node(dir_ptr);
+
+ /* DIR: Insert dir nodes at the beginning of the current line; */
+ for (q = dir_ptr; q != null; q = vlink(q)) {
+ halfword tmp = new_dir(dir_dir(q));
+ halfword nxt = vlink(temp_head);
+ couple_nodes(temp_head, tmp);
+ couple_nodes(tmp, nxt);
+ }
+ if (dir_ptr != null) {
+ flush_node_list(dir_ptr);
+ dir_ptr = null;
+ }
+
+ /* Modify the end of the line to reflect the nature of the break and to
+ include \.{\\rightskip}; also set the proper value of |disc_break|; */
+ /* At the end of the following code, |q| will point to the final node on the
+ list about to be justified. In the meanwhile |r| will point to the
+ node we will use to insert end-of-line stuff after. |q==null| means
+ we use the final position of |r| */
+ r = cur_break(cur_p);
+ q = null;
+ disc_break = false;
+ post_disc_break = false;
+ glue_break = false;
+
+ if (r == null) {
+ for (r = temp_head; vlink(r) != null; r = vlink(r));
+ if (r == final_par_glue) {
+ /* This should almost always be true... */
+ /* TODO assert ? */
+ q = r;
+ /* |q| refers to the last node of the line (and paragraph) */
+ r = alink(r);
+ }
+ /* |r| refers to the node after which the dir nodes should be closed */
+ } else if (type(r) == glue_node) {
+ delete_glue_ref(glue_ptr(r));
+ glue_ptr(r) = right_skip;
+ subtype(r) = right_skip_code + 1;
+ incr(glue_ref_count(right_skip));
+ glue_break = true;
+ /* |q| refers to the last node of the line */
+ q = r;
+ r = alink(r);
+ assert(vlink(r) == q);
+ /* |r| refers to the node after which the dir nodes should be closed */
+ } else if (type(r) == disc_node) {
+ halfword a = alink(r);
+ assert(a != null);
+ halfword v = vlink(r);
+ if (v == null) { /* nested disc, let's unfold */
+ fprintf(stderr, "Nested disc [%d]<-[%d]->null\n", (int) a,
+ (int) r);
+ do {
+ halfword d;
+ while (alink(a) != null)
+ a = alink(a);
+ assert(type(a) == nesting_node);
+ assert(subtype(a) = no_break_head(0)); /* No_break */
+ d = a - subtype(a); /* MAGIC subtype is offset of nesting with disc */
+ assert(type(d) == disc_node);
+ v = vlink(d);
+ a = alink(d);
+ fprintf(stderr, "Up to disc [%d]<-[%d]->[%d] & link [%d]\n",
+ (int) a, (int) d, (int) v, (int) vlink_no_break(d));
+ assert(a != null);
+ couple_nodes(a, vlink_no_break(d));
+ vlink_no_break(d) = null;
+ tlink_no_break(d) = null;
+ flush_node(d);
+ } while (v == null);
+ couple_nodes(r, v);
+ fprintf(stderr, "Close list [%d]<->[%d] a=[%d]\n", (int) r,
+ (int) v, (int) alink(r));
+ a = alink(r);
+ }
+ if (vlink_no_break(r) != null) {
+ flush_node_list(vlink_no_break(r));
+ vlink_no_break(r) = null;
+ tlink_no_break(r) = null;
+ }
+ if (vlink_pre_break(r) != null) {
+ couple_nodes(a, vlink_pre_break(r));
+ couple_nodes(tlink_pre_break(r), r);
+ vlink_pre_break(r) = null;
+ tlink_pre_break(r) = null;
+ }
+ if (vlink_post_break(r) != null) {
+ couple_nodes(r, vlink_post_break(r));
+ couple_nodes(tlink_post_break(r), v);
+ vlink_post_break(r) = null;
+ tlink_post_break(r) = null;
+ post_disc_break = true;
+ }
+ disc_break = true;
+ } else if (type(r) == kern_node) {
+ width(r) = 0;
+ } else if (type(r) == math_node) {
+ surround(r) = 0;
+ }
+
+ /* DIR: Adjust the dir stack based on dir nodes in this line; */
+ /* TODO what about the previousparagraph ??? */
+ if (have_directional) {
+ halfword e;
+ halfword p;
+ for (e = vlink(temp_head); e != null && e != cur_break(cur_p);
+ e = vlink(e)) {
+ if (type(e) != whatsit_node || subtype(e) != dir_node)
+ continue;
+ if (dir_dir(e) >= 0) {
+ dir_ptr = do_push_dir_node(dir_ptr, e);
+ } else if (dir_ptr != null
+ && dir_dir(dir_ptr) == (dir_dir(e) + 64)) {
+ dir_ptr = do_pop_dir_node(dir_ptr);
+ }
+ }
+ assert(e == cur_break(cur_p));
+
+ /* @<DIR: Insert dir nodes at the end of the current line@>; */
+ e = vlink(r);
+ for (p = dir_ptr; p != null; p = vlink(p)) {
+ halfword s = new_dir(dir_dir(p) - 64);
+ couple_nodes(r, s);
+ try_couple_nodes(s, e);
+ r = s;
+ }
+ }
+ if (passive_right_box(cur_p) != null) {
+ /* TODO: CHECK has |s| below a |alink| ? */
+ halfword s = copy_node_list(passive_right_box(cur_p));
+ halfword e = vlink(r);
+ couple_nodes(r, s);
+ try_couple_nodes(s, e);
+ r = s;
+ }
+ if (q == null) {
+ q = r;
+ }
+ /* Now [q] refers to the last node on the line */
+
+ /* FIXME from this point on we no longer keep alink() valid */
+
+ /* at this point |q| is the rightmost breakpoint; the only exception is
+ the case of a discretionary break with non-empty |pre_break|, then |q|
+ has been changed to the last node of the |pre_break| list */
+ /* If the par ends with a \break command, the last line is utterly empty.
+ That is the case of |q==temp_head| */
+ if (q != temp_head && pdf_protrude_chars > 0) {
+ halfword ptmp;
+ if (disc_break && (is_char_node(q) || (type(q) != disc_node))) {
+ p = q; /* |q| has been reset to the last node of |pre_break| */
+ ptmp = p;
+ } else {
+ p = alink(q); /* get |vlink(p) = q| */
+ assert(vlink(p) == q);
+ ptmp = p;
+ p = find_protchar_right(vlink(temp_head), p);
+ }
+ w = char_pw(p, right_side);
+ if (w != 0) { /* we have found a marginal kern, append it after |ptmp| */
+ k = new_margin_kern(-w, last_rightmost_char, right_side);
+ vlink(k) = vlink(ptmp);
+ vlink(ptmp) = k;
+ if (ptmp == q)
+ q = vlink(q);
+ }
+ }
+ /* if |q| was not a breakpoint at glue and has been reset to |rightskip|
+ then we append |rightskip| after |q| now */
+ if (!glue_break) {
+ /* @<Put the \(r)\.{\\rightskip} glue after node |q|@>; */
+ halfword r = new_param_glue(right_skip_code);
+ vlink(r) = vlink(q);
+ vlink(q) = r;
+ q = r;
}
- }
- assert(e==cur_break(cur_p));
-
- /* @<DIR: Insert dir nodes at the end of the current line@>;*/
- e = vlink(r);
- for (p=dir_ptr; p!=null; p=vlink(p)) {
- halfword s=new_dir(dir_dir(p)-64);
- couple_nodes(r,s);
- try_couple_nodes(s,e);
- r=s;
- }
- }
- if (passive_right_box(cur_p)!=null) {
- /* TODO: CHECK has |s| below a |alink| ? */
- halfword s = copy_node_list(passive_right_box(cur_p));
- halfword e = vlink(r);
- couple_nodes(r,s);
- try_couple_nodes(s,e);
- r=s;
- }
- if (q==null) {
- q = r;
- }
- /* Now [q] refers to the last node on the line */
-
- /* FIXME from this point on we no longer keep alink() valid */
-
- /* at this point |q| is the rightmost breakpoint; the only exception is
- the case of a discretionary break with non-empty |pre_break|, then |q|
- has been changed to the last node of the |pre_break| list */
- /* If the par ends with a \break command, the last line is utterly empty.
- That is the case of |q==temp_head| */
- if (q!=temp_head && pdf_protrude_chars > 0) {
- halfword ptmp;
- if (disc_break && (is_char_node(q) || (type(q) != disc_node))) {
- p = q; /* |q| has been reset to the last node of |pre_break| */
- ptmp = p;
- } else {
- p = alink(q); /* get |vlink(p) = q| */
- assert(vlink(p)==q);
- ptmp = p;
- p = find_protchar_right(vlink(temp_head), p);
- }
- w = char_pw(p, right_side);
- if (w!=0) { /* we have found a marginal kern, append it after |ptmp| */
- k = new_margin_kern(-w, last_rightmost_char, right_side);
- vlink(k) = vlink(ptmp);
- vlink(ptmp) = k;
- if (ptmp == q)
- q = vlink(q);
- }
- }
- /* if |q| was not a breakpoint at glue and has been reset to |rightskip|
- then we append |rightskip| after |q| now */
- if (!glue_break) {
- /* @<Put the \(r)\.{\\rightskip} glue after node |q|@>;*/
- halfword r=new_param_glue(right_skip_code);
- vlink(r)=vlink(q);
- vlink(q)=r;
- q=r;
- }
-
- /* /Modify the end of the line to reflect the nature of the break and to
- include \.{\\rightskip}; also set the proper value of |disc_break|; */
-
- /* Put the \(l)\.{\\leftskip} glue at the left and detach this line;*/
- /* The following code begins with |q| at the end of the list to be
- justified. It ends with |q| at the beginning of that list, and with
- |vlink(temp_head)| pointing to the remainder of the paragraph, if any. */
- r=vlink(q);
- vlink(q)=null;
-
- q=vlink(temp_head);
- try_couple_nodes(temp_head,r);
- if (passive_left_box(cur_p)!=null && passive_left_box(cur_p)!=0) {
- /* omega bits: */
- r=copy_node_list(passive_left_box(cur_p));
- s=vlink(q);
- vlink(r)=q;
- q=r;
- if ((cur_line==cur_list.pg_field+1) && (s!=null)) {
- if (type(s)==hlist_node) {
- if (list_ptr(s)==null) {
- q=vlink(q);
- vlink(r)=vlink(s);
- vlink(s)=r;
- }
- }
- }
- }
- /*at this point |q| is the leftmost node; all discardable nodes have been discarded */
- if (pdf_protrude_chars > 0) {
- p = q;
- p = find_protchar_left(p, false); /* no more discardables */
- w = char_pw(p, left_side);
- if (w != 0) {
- k = new_margin_kern(-w, last_leftmost_char, left_side);
- vlink(k) = q;
- q = k;
- }
- };
- if (left_skip!=zero_glue) {
- r=new_param_glue(left_skip_code);
- vlink(r)=q;
- q=r;
- }
- /* /Put the \(l)\.{\\leftskip} glue at the left and detach this line;*/
-
- /* Call the packaging subroutine, setting |just_box| to the justified box;*/
- /* Now |q| points to the hlist that represents the current line of the
- paragraph. We need to compute the appropriate line width, pack the
- line into a box of this size, and shift the box by the appropriate
- amount of indentation. */
- if (cur_line>last_special_line) {
- cur_width=second_width;
- cur_indent=second_indent;
- } else if (par_shape_ptr==null) {
- cur_width=first_width;
- cur_indent=first_indent;
- } else {
- cur_indent=varmem[(par_shape_ptr+2*cur_line)].cint;
- cur_width=varmem[(par_shape_ptr+2*cur_line+1)].cint;
- }
- adjust_tail=adjust_head;
- pack_direction=paragraph_dir;
- pre_adjust_tail = pre_adjust_head;
- if (pdf_adjust_spacing > 0 ) {
- just_box = hpack(q, cur_width, cal_expand_ratio);
- } else {
- just_box = hpack(q, cur_width, exactly);
- }
- shift_amount(just_box)=cur_indent;
- /* /Call the packaging subroutine, setting |just_box| to the justified box;*/
-
- /* Append the new box to the current vertical list, followed by the list of
- special nodes taken out of the box by the packager;*/
- if (pdf_each_line_height!=0)
- height(just_box) = pdf_each_line_height;
- if (pdf_each_line_depth != 0)
- depth(just_box) = pdf_each_line_depth;
- if ((pdf_first_line_height != 0) && (cur_line == cur_list.pg_field + 1))
- height(just_box) = pdf_first_line_height;
- if ((pdf_last_line_depth != 0) && (cur_line + 1 == best_line))
- depth(just_box) = pdf_last_line_depth;
-
- if (pre_adjust_head != pre_adjust_tail)
- append_list(pre_adjust_head,pre_adjust_tail);
- pre_adjust_tail = null;
- append_to_vlist(just_box);
- if (adjust_head != adjust_tail)
- append_list(adjust_head,adjust_tail);
- adjust_tail = null;
-
- /* /Append the new box to the current vertical list, followed by the list of
- special nodes taken out of the box by the packager;*/
-
- /* Append a penalty node, if a nonzero penalty is appropriate */
- /* Penalties between the lines of a paragraph come from club and widow lines,
- from the |inter_line_penalty| parameter, and from lines that end at
- discretionary breaks. Breaking between lines of a two-line paragraph gets
- both club-line and widow-line penalties. The local variable |pen| will
- be set to the sum of all relevant penalties for the current line, except
- that the final line is never penalized. */
- if (cur_line+1!=best_line) {
- q=inter_line_penalties_ptr;
- if (q!=null) {
- r=cur_line;
- if (r>penalty(q))
- r=penalty(q);
- pen=penalty(q+r);
- } else {
- if (passive_pen_inter(cur_p)!=0) {
- pen=passive_pen_inter(cur_p);
- } else {
- pen=inter_line_penalty;
- }
- }
- q=club_penalties_ptr;
- if (q!=null) {
- r=cur_line-cur_list.pg_field; /* prevgraf */
- if (r>penalty(q))
- r=penalty(q);
- pen += penalty(q+r);
- } else if (cur_line==cur_list.pg_field+1) { /* prevgraf */
- pen += club_penalty;
- }
- if (d)
- q = display_widow_penalties_ptr;
- else
- q = widow_penalties_ptr;
- if (q!=null) {
- r=best_line-cur_line-1;
- if (r>penalty(q))
- r=penalty(q);
- pen += penalty(q+r);
- } else if (cur_line+2==best_line) {
- if (d)
- pen += display_widow_penalty;
- else
- pen += widow_penalty;
- }
- if (disc_break) {
- if (passive_pen_broken(cur_p)!=0) {
- pen += passive_pen_broken(cur_p);
- } else {
- pen += broken_penalty;
- }
- }
- if (pen!=0) {
- r=new_penalty(pen);
- couple_nodes(cur_list.tail_field,r);
- cur_list.tail_field=r;
- }
- }
- /* /Append a penalty node, if a nonzero penalty is appropriate */
-
- /* /Justify the line ending at breakpoint |cur_p|, and append it to the
- current vertical list, together with associated penalties and other
- insertions@>; */
- incr(cur_line);
- cur_p=next_break(cur_p);
- if (cur_p!=null && !post_disc_break) {
- /* @<Prune unwanted nodes at the beginning of the next line@>; */
- /* Glue and penalty and kern and math nodes are deleted at the
- beginning of a line, except in the anomalous case that the
- node to be deleted is actually one of the chosen
- breakpoints. Otherwise the pruning done here is designed to
- match the lookahead computation in |try_break|, where the
- |break_width| values are computed for non-discretionary
- breakpoints. */
- r=temp_head;
- while(1) {
- q=vlink(r);
- if (q==cur_break(cur_p) || is_char_node(q))
- break;
- if (!((type(q)==whatsit_node)&&(subtype(q)==local_par_node))) {
- if (non_discardable(q)
- || (type(q)==kern_node && subtype(q)!=explicit ))
- break;
- }
- r=q;
- };
- if (r!=temp_head) {
- vlink(r)=null;
- flush_node_list(vlink(temp_head));
- try_couple_nodes(temp_head,q);
- }
- }
- } while (cur_p!=null);
- if ((cur_line!=best_line)||(vlink(temp_head)!=null))
- tconfusion("line breaking");
- cur_list.pg_field=best_line-1; /* prevgraf */
- cur_list.dirs_field=dir_ptr; /* dir_save */
- dir_ptr = null;
-}
+ /* /Modify the end of the line to reflect the nature of the break and to
+ include \.{\\rightskip}; also set the proper value of |disc_break|; */
+
+ /* Put the \(l)\.{\\leftskip} glue at the left and detach this line; */
+ /* The following code begins with |q| at the end of the list to be
+ justified. It ends with |q| at the beginning of that list, and with
+ |vlink(temp_head)| pointing to the remainder of the paragraph, if any. */
+ r = vlink(q);
+ vlink(q) = null;
+
+ q = vlink(temp_head);
+ try_couple_nodes(temp_head, r);
+ if (passive_left_box(cur_p) != null && passive_left_box(cur_p) != 0) {
+ /* omega bits: */
+ r = copy_node_list(passive_left_box(cur_p));
+ s = vlink(q);
+ vlink(r) = q;
+ q = r;
+ if ((cur_line == cur_list.pg_field + 1) && (s != null)) {
+ if (type(s) == hlist_node) {
+ if (list_ptr(s) == null) {
+ q = vlink(q);
+ vlink(r) = vlink(s);
+ vlink(s) = r;
+ }
+ }
+ }
+ }
+ /*at this point |q| is the leftmost node; all discardable nodes have been discarded */
+ if (pdf_protrude_chars > 0) {
+ p = q;
+ p = find_protchar_left(p, false); /* no more discardables */
+ w = char_pw(p, left_side);
+ if (w != 0) {
+ k = new_margin_kern(-w, last_leftmost_char, left_side);
+ vlink(k) = q;
+ q = k;
+ }
+ };
+ if (left_skip != zero_glue) {
+ r = new_param_glue(left_skip_code);
+ vlink(r) = q;
+ q = r;
+ }
+ /* /Put the \(l)\.{\\leftskip} glue at the left and detach this line; */
+
+ /* Call the packaging subroutine, setting |just_box| to the justified box; */
+ /* Now |q| points to the hlist that represents the current line of the
+ paragraph. We need to compute the appropriate line width, pack the
+ line into a box of this size, and shift the box by the appropriate
+ amount of indentation. */
+ if (cur_line > last_special_line) {
+ cur_width = second_width;
+ cur_indent = second_indent;
+ } else if (par_shape_ptr == null) {
+ cur_width = first_width;
+ cur_indent = first_indent;
+ } else {
+ cur_indent = varmem[(par_shape_ptr + 2 * cur_line)].cint;
+ cur_width = varmem[(par_shape_ptr + 2 * cur_line + 1)].cint;
+ }
+ adjust_tail = adjust_head;
+ pack_direction = paragraph_dir;
+ pre_adjust_tail = pre_adjust_head;
+ if (pdf_adjust_spacing > 0) {
+ just_box = hpack(q, cur_width, cal_expand_ratio);
+ } else {
+ just_box = hpack(q, cur_width, exactly);
+ }
+ shift_amount(just_box) = cur_indent;
+ /* /Call the packaging subroutine, setting |just_box| to the justified box; */
+
+ /* Append the new box to the current vertical list, followed by the list of
+ special nodes taken out of the box by the packager; */
+ if (pdf_each_line_height != 0)
+ height(just_box) = pdf_each_line_height;
+ if (pdf_each_line_depth != 0)
+ depth(just_box) = pdf_each_line_depth;
+ if ((pdf_first_line_height != 0) && (cur_line == cur_list.pg_field + 1))
+ height(just_box) = pdf_first_line_height;
+ if ((pdf_last_line_depth != 0) && (cur_line + 1 == best_line))
+ depth(just_box) = pdf_last_line_depth;
+
+ if (pre_adjust_head != pre_adjust_tail)
+ append_list(pre_adjust_head, pre_adjust_tail);
+ pre_adjust_tail = null;
+ append_to_vlist(just_box);
+ if (adjust_head != adjust_tail)
+ append_list(adjust_head, adjust_tail);
+ adjust_tail = null;
+
+ /* /Append the new box to the current vertical list, followed by the list of
+ special nodes taken out of the box by the packager; */
+
+ /* Append a penalty node, if a nonzero penalty is appropriate */
+ /* Penalties between the lines of a paragraph come from club and widow lines,
+ from the |inter_line_penalty| parameter, and from lines that end at
+ discretionary breaks. Breaking between lines of a two-line paragraph gets
+ both club-line and widow-line penalties. The local variable |pen| will
+ be set to the sum of all relevant penalties for the current line, except
+ that the final line is never penalized. */
+ if (cur_line + 1 != best_line) {
+ q = inter_line_penalties_ptr;
+ if (q != null) {
+ r = cur_line;
+ if (r > penalty(q))
+ r = penalty(q);
+ pen = penalty(q + r);
+ } else {
+ if (passive_pen_inter(cur_p) != 0) {
+ pen = passive_pen_inter(cur_p);
+ } else {
+ pen = inter_line_penalty;
+ }
+ }
+ q = club_penalties_ptr;
+ if (q != null) {
+ r = cur_line - cur_list.pg_field; /* prevgraf */
+ if (r > penalty(q))
+ r = penalty(q);
+ pen += penalty(q + r);
+ } else if (cur_line == cur_list.pg_field + 1) { /* prevgraf */
+ pen += club_penalty;
+ }
+ if (d)
+ q = display_widow_penalties_ptr;
+ else
+ q = widow_penalties_ptr;
+ if (q != null) {
+ r = best_line - cur_line - 1;
+ if (r > penalty(q))
+ r = penalty(q);
+ pen += penalty(q + r);
+ } else if (cur_line + 2 == best_line) {
+ if (d)
+ pen += display_widow_penalty;
+ else
+ pen += widow_penalty;
+ }
+ if (disc_break) {
+ if (passive_pen_broken(cur_p) != 0) {
+ pen += passive_pen_broken(cur_p);
+ } else {
+ pen += broken_penalty;
+ }
+ }
+ if (pen != 0) {
+ r = new_penalty(pen);
+ couple_nodes(cur_list.tail_field, r);
+ cur_list.tail_field = r;
+ }
+ }
+ /* /Append a penalty node, if a nonzero penalty is appropriate */
+
+ /* /Justify the line ending at breakpoint |cur_p|, and append it to the
+ current vertical list, together with associated penalties and other
+ insertions@>; */
+ incr(cur_line);
+ cur_p = next_break(cur_p);
+ if (cur_p != null && !post_disc_break) {
+ /* @<Prune unwanted nodes at the beginning of the next line@>; */
+ /* Glue and penalty and kern and math nodes are deleted at the
+ beginning of a line, except in the anomalous case that the
+ node to be deleted is actually one of the chosen
+ breakpoints. Otherwise the pruning done here is designed to
+ match the lookahead computation in |try_break|, where the
+ |break_width| values are computed for non-discretionary
+ breakpoints. */
+ r = temp_head;
+ while (1) {
+ q = vlink(r);
+ if (q == cur_break(cur_p) || is_char_node(q))
+ break;
+ if (!
+ ((type(q) == whatsit_node)
+ && (subtype(q) == local_par_node))) {
+ if (non_discardable(q)
+ || (type(q) == kern_node && subtype(q) != explicit))
+ break;
+ }
+ r = q;
+ };
+ if (r != temp_head) {
+ vlink(r) = null;
+ flush_node_list(vlink(temp_head));
+ try_couple_nodes(temp_head, q);
+ }
+ }
+ } while (cur_p != null);
+ if ((cur_line != best_line) || (vlink(temp_head) != null))
+ tconfusion("line breaking");
+ cur_list.pg_field = best_line - 1; /* prevgraf */
+ cur_list.dirs_field = dir_ptr; /* dir_save */
+ dir_ptr = null;
+}
diff --git a/Build/source/texk/web2c/luatexdir/tex/texnodes.c b/Build/source/texk/web2c/luatexdir/tex/texnodes.c
index 06004160503..bb477e54ffb 100644
--- a/Build/source/texk/web2c/luatexdir/tex/texnodes.c
+++ b/Build/source/texk/web2c/luatexdir/tex/texnodes.c
@@ -1,4 +1,4 @@
-/* $Id: texnodes.c 1103 2008-03-11 14:32:50Z taco $ */
+/* $Id: texnodes.c 1168 2008-04-15 13:43:34Z taco $ */
#include "luatex-api.h"
#include <ptexlib.h>
@@ -15,19 +15,19 @@ char *varmem_sizes = NULL;
halfword var_mem_max = 0;
halfword rover = 0;
-halfword free_chain[MAX_CHAIN_SIZE] = {null};
+halfword free_chain[MAX_CHAIN_SIZE] = { null };
-static int prealloc=0;
+static int prealloc = 0;
-int fix_node_lists=1;
+int fix_node_lists = 1;
int free_error_seen = 0;
int copy_error_seen = 0;
-halfword slow_get_node (integer s) ; /* defined below */
-int copy_error (halfword p) ; /* define below */
+halfword slow_get_node(integer s); /* defined below */
+int copy_error(halfword p); /* define below */
-#undef link /* defined by cpascal.h */
+#undef link /* defined by cpascal.h */
#define info(a) fixmem[(a)].hhlh
#define link(a) fixmem[(a)].hhrh
@@ -38,799 +38,892 @@ int copy_error (halfword p) ; /* define below */
#define variable_node_size 2
-char * node_fields_list [] = { "attr", "width", "depth", "height", "dir", "shift",
- "glue_order", "glue_sign", "glue_set" , "list", NULL };
-char * node_fields_rule [] = { "attr", "width", "depth", "height", "dir", NULL };
-char * node_fields_insert [] = { "attr", "cost", "depth", "height", "spec", "list", NULL };
-char * node_fields_mark [] = { "attr", "class", "mark", NULL };
-char * node_fields_adjust [] = { "attr", "list", NULL };
-char * node_fields_disc [] = { "attr", "pre", "post", "replace", NULL };
-char * node_fields_math [] = { "attr", "surround", NULL };
-char * node_fields_glue [] = { "attr", "spec", "leader", NULL };
-char * node_fields_kern [] = { "attr", "kern", NULL };
-char * node_fields_penalty [] = { "attr", "penalty", NULL };
-char * node_fields_unset [] = { "attr", "width", "depth", "height", "dir", "shrink",
- "glue_order", "glue_sign", "stretch" , "span", "list", NULL };
-char * node_fields_margin_kern [] = { "attr", "width", "glyph", NULL };
-char * node_fields_glyph [] = { "attr", "char", "font", "lang", "left", "right", "uchyph",
- "components", "xoffset", "yoffset", NULL };
-char * node_fields_style [] = { NULL };
-char * node_fields_choice [] = { NULL };
-char * node_fields_ord [] = { NULL };
-char * node_fields_op [] = { NULL };
-char * node_fields_bin [] = { NULL };
-char * node_fields_rel [] = { NULL };
-char * node_fields_open [] = { NULL };
-char * node_fields_close [] = { NULL };
-char * node_fields_punct [] = { NULL };
-char * node_fields_inner [] = { NULL };
-char * node_fields_radical [] = { NULL };
-char * node_fields_fraction [] = { NULL };
-char * node_fields_under [] = { NULL };
-char * node_fields_over [] = { NULL };
-char * node_fields_accent [] = { NULL };
-char * node_fields_vcenter [] = { NULL };
-char * node_fields_left [] = { NULL };
-char * node_fields_right [] = { NULL };
-
-char * node_fields_inserting [] = { "height", "last_ins_ptr", "best_ins_ptr", NULL};
-
-char * node_fields_splitup [] = { "height", "last_ins_ptr", "best_ins_ptr",
- "broken_ptr", "broken_ins", NULL};
-
-char * node_fields_action [] = { "action_type", "named_id", "action_id",
- "file", "new_window", "data", "ref_count", NULL };
-char * node_fields_attribute [] = { "number", "value", NULL };
-char * node_fields_glue_spec [] = { "width", "stretch", "shrink",
- "stretch_order", "shrink_order", "ref_count", NULL };
-char * node_fields_attribute_list [] = { NULL };
-
-char * node_fields_whatsit_open [] = { "attr", "stream", "name", "area", "ext", NULL };
-char * node_fields_whatsit_write [] = { "attr", "stream", "data", NULL };
-char * node_fields_whatsit_close [] = { "attr", "stream", NULL };
-char * node_fields_whatsit_special [] = { "attr", "data", NULL };
-
-char * node_fields_whatsit_local_par [] = { "attr", "pen_inter", "pen_broken", "dir",
- "box_left", "box_left_width", "box_right", "box_right_width", NULL };
-char * node_fields_whatsit_dir [] = { "attr", "dir", "level", "dvi_ptr", "dvi_h", NULL };
-
-char * node_fields_whatsit_pdf_literal [] = { "attr", "mode", "data", NULL };
-char * node_fields_whatsit_pdf_refobj [] = { "attr", "objnum", NULL };
-char * node_fields_whatsit_pdf_refxform [] = { "attr", "width", "height", "depth", "objnum", NULL };
-char * node_fields_whatsit_pdf_refximage [] = { "attr", "width", "height", "depth", "objnum", NULL };
-char * node_fields_whatsit_pdf_annot [] = { "attr", "width", "height", "depth", "objnum", "data", NULL };
-char * node_fields_whatsit_pdf_start_link [] = { "attr", "width", "height", "depth",
- "objnum", "link_attr", "action", NULL };
-char * node_fields_whatsit_pdf_end_link [] = { "attr", NULL };
-char * node_fields_whatsit_pdf_dest [] = { "attr", "width", "height", "depth",
- "named_id", "dest_id", "dest_type", "xyz_zoom", "objnum", NULL };
-char * node_fields_whatsit_pdf_thread [] = { "attr", "width", "height", "depth",
- "named_id", "thread_id", "thread_attr", NULL };
-char * node_fields_whatsit_pdf_start_thread [] = { "attr", "width", "height", "depth",
- "named_id", "thread_id", "thread_attr", NULL };
-char * node_fields_whatsit_pdf_end_thread [] = { "attr", NULL };
-char * node_fields_whatsit_pdf_save_pos [] = { "attr", NULL };
-char * node_fields_whatsit_late_lua [] = { "attr", "reg", "data", NULL };
-char * node_fields_whatsit_close_lua [] = { "attr", "reg", NULL };
-char * node_fields_whatsit_pdf_colorstack [] = { "attr", "stack", "cmd", "data", NULL };
-char * node_fields_whatsit_pdf_setmatrix [] = { "attr", "data", NULL };
-char * node_fields_whatsit_pdf_save [] = { "attr", NULL };
-char * node_fields_whatsit_pdf_restore [] = { "attr", NULL };
-char * node_fields_whatsit_cancel_boundary [] = { "attr", NULL };
-char * node_fields_whatsit_user_defined [] = { "attr", "user_id", "type", "value", NULL };
+char *node_fields_list[] = { "attr", "width", "depth", "height", "dir", "shift",
+ "glue_order", "glue_sign", "glue_set", "list", NULL
+};
+char *node_fields_rule[] = { "attr", "width", "depth", "height", "dir", NULL };
+char *node_fields_insert[] =
+ { "attr", "cost", "depth", "height", "spec", "list", NULL };
+char *node_fields_mark[] = { "attr", "class", "mark", NULL };
+char *node_fields_adjust[] = { "attr", "list", NULL };
+char *node_fields_disc[] = { "attr", "pre", "post", "replace", NULL };
+char *node_fields_math[] = { "attr", "surround", NULL };
+char *node_fields_glue[] = { "attr", "spec", "leader", NULL };
+char *node_fields_kern[] = { "attr", "kern", NULL };
+char *node_fields_penalty[] = { "attr", "penalty", NULL };
+char *node_fields_unset[] =
+ { "attr", "width", "depth", "height", "dir", "shrink",
+ "glue_order", "glue_sign", "stretch", "span", "list", NULL
+};
+char *node_fields_margin_kern[] = { "attr", "width", "glyph", NULL };
+char *node_fields_glyph[] =
+ { "attr", "char", "font", "lang", "left", "right", "uchyph",
+ "components", "xoffset", "yoffset", NULL
+};
+char *node_fields_style[] = { NULL };
+char *node_fields_choice[] = { NULL };
+char *node_fields_ord[] = { NULL };
+char *node_fields_op[] = { NULL };
+char *node_fields_bin[] = { NULL };
+char *node_fields_rel[] = { NULL };
+char *node_fields_open[] = { NULL };
+char *node_fields_close[] = { NULL };
+char *node_fields_punct[] = { NULL };
+char *node_fields_inner[] = { NULL };
+char *node_fields_radical[] = { NULL };
+char *node_fields_fraction[] = { NULL };
+char *node_fields_under[] = { NULL };
+char *node_fields_over[] = { NULL };
+char *node_fields_accent[] = { NULL };
+char *node_fields_vcenter[] = { NULL };
+char *node_fields_left[] = { NULL };
+char *node_fields_right[] = { NULL };
+
+char *node_fields_inserting[] =
+ { "height", "last_ins_ptr", "best_ins_ptr", NULL };
+
+char *node_fields_splitup[] = { "height", "last_ins_ptr", "best_ins_ptr",
+ "broken_ptr", "broken_ins", NULL
+};
+
+char *node_fields_action[] = { "action_type", "named_id", "action_id",
+ "file", "new_window", "data", "ref_count", NULL
+};
+char *node_fields_attribute[] = { "number", "value", NULL };
+char *node_fields_glue_spec[] = { "width", "stretch", "shrink",
+ "stretch_order", "shrink_order", "ref_count", NULL
+};
+char *node_fields_attribute_list[] = { NULL };
+
+char *node_fields_whatsit_open[] =
+ { "attr", "stream", "name", "area", "ext", NULL };
+char *node_fields_whatsit_write[] = { "attr", "stream", "data", NULL };
+char *node_fields_whatsit_close[] = { "attr", "stream", NULL };
+char *node_fields_whatsit_special[] = { "attr", "data", NULL };
+
+char *node_fields_whatsit_local_par[] =
+ { "attr", "pen_inter", "pen_broken", "dir",
+ "box_left", "box_left_width", "box_right", "box_right_width", NULL
+};
+char *node_fields_whatsit_dir[] =
+ { "attr", "dir", "level", "dvi_ptr", "dvi_h", NULL };
+
+char *node_fields_whatsit_pdf_literal[] = { "attr", "mode", "data", NULL };
+char *node_fields_whatsit_pdf_refobj[] = { "attr", "objnum", NULL };
+char *node_fields_whatsit_pdf_refxform[] =
+ { "attr", "width", "height", "depth", "objnum", NULL };
+char *node_fields_whatsit_pdf_refximage[] =
+ { "attr", "width", "height", "depth", "objnum", NULL };
+char *node_fields_whatsit_pdf_annot[] =
+ { "attr", "width", "height", "depth", "objnum", "data", NULL };
+char *node_fields_whatsit_pdf_start_link[] =
+ { "attr", "width", "height", "depth",
+ "objnum", "link_attr", "action", NULL
+};
+char *node_fields_whatsit_pdf_end_link[] = { "attr", NULL };
+char *node_fields_whatsit_pdf_dest[] = { "attr", "width", "height", "depth",
+ "named_id", "dest_id", "dest_type", "xyz_zoom", "objnum", NULL
+};
+char *node_fields_whatsit_pdf_thread[] = { "attr", "width", "height", "depth",
+ "named_id", "thread_id", "thread_attr", NULL
+};
+char *node_fields_whatsit_pdf_start_thread[] =
+ { "attr", "width", "height", "depth",
+ "named_id", "thread_id", "thread_attr", NULL
+};
+char *node_fields_whatsit_pdf_end_thread[] = { "attr", NULL };
+char *node_fields_whatsit_pdf_save_pos[] = { "attr", NULL };
+char *node_fields_whatsit_late_lua[] = { "attr", "reg", "data", NULL };
+char *node_fields_whatsit_close_lua[] = { "attr", "reg", NULL };
+char *node_fields_whatsit_pdf_colorstack[] =
+ { "attr", "stack", "cmd", "data", NULL };
+char *node_fields_whatsit_pdf_setmatrix[] = { "attr", "data", NULL };
+char *node_fields_whatsit_pdf_save[] = { "attr", NULL };
+char *node_fields_whatsit_pdf_restore[] = { "attr", NULL };
+char *node_fields_whatsit_cancel_boundary[] = { "attr", NULL };
+char *node_fields_whatsit_user_defined[] =
+ { "attr", "user_id", "type", "value", NULL };
node_info node_data[] = {
- { hlist_node, box_node_size, node_fields_list, "hlist" },
- { vlist_node, box_node_size, node_fields_list, "vlist" },
- { rule_node, rule_node_size, node_fields_rule, "rule" },
- { ins_node, ins_node_size, node_fields_insert, "ins" },
- { mark_node, mark_node_size, node_fields_mark, "mark" },
- { adjust_node, adjust_node_size, node_fields_adjust, "adjust" },
- { fake_node, fake_node_size, NULL, fake_node_name }, /* don't touch this! */
- { disc_node, disc_node_size, node_fields_disc, "disc" },
- { whatsit_node, -1, NULL, "whatsit" },
- { math_node, math_node_size, node_fields_math, "math" },
- { glue_node, glue_node_size, node_fields_glue, "glue" },
- { kern_node, kern_node_size, node_fields_kern, "kern" },
- { penalty_node, penalty_node_size, node_fields_penalty, "penalty" },
- { unset_node, box_node_size, node_fields_unset, "unset" },
- { style_node, style_node_size, node_fields_style, "style" },
- { choice_node, style_node_size, node_fields_choice, "choice" },
- { ord_noad, noad_size, node_fields_ord, "ord" },
- { op_noad, noad_size, node_fields_op, "op" },
- { bin_noad, noad_size, node_fields_bin, "bin" },
- { rel_noad, noad_size, node_fields_rel, "rel" },
- { open_noad, noad_size, node_fields_open, "open" },
- { close_noad, noad_size, node_fields_close, "close" },
- { punct_noad, noad_size, node_fields_punct, "punct" },
- { inner_noad, noad_size, node_fields_inner, "inner" },
- { radical_noad, radical_noad_size, node_fields_radical, "radical" },
- { fraction_noad, fraction_noad_size, node_fields_fraction, "fraction" },
- { under_noad, noad_size, node_fields_under, "under" },
- { over_noad, noad_size, node_fields_over, "over" },
- { accent_noad, accent_noad_size, node_fields_accent, "accent" },
- { vcenter_noad, noad_size, node_fields_vcenter, "vcenter" },
- { left_noad, noad_size, node_fields_left, "left" },
- { right_noad, noad_size, node_fields_right, "right" },
- { margin_kern_node, margin_kern_node_size, node_fields_margin_kern, "margin_kern" },
- { glyph_node, glyph_node_size, node_fields_glyph, "glyph" }, /* 33 */
- { align_record_node, box_node_size, NULL, "align_record" },
- { pseudo_file_node, pseudo_file_node_size, NULL, "pseudo_file" },
- { pseudo_line_node, variable_node_size, NULL, "pseudo_line" },
- { inserting_node, page_ins_node_size, node_fields_inserting, "page_insert" },
- { split_up_node, page_ins_node_size, node_fields_splitup, "split_insert" },
- { expr_node, expr_node_size, NULL, "expr_stack" },
- { nesting_node, nesting_node_size, NULL, "nested_list" }, /* 40 */
- { span_node, span_node_size, NULL, "span" },
- { attribute_node, attribute_node_size, node_fields_attribute, "attribute" },
- { glue_spec_node, glue_spec_size, node_fields_glue_spec, "glue_spec" },
- { attribute_list_node, attribute_node_size, node_fields_attribute_list,"attribute_list" },
- { action_node, pdf_action_size, node_fields_action, "action" },
- { temp_node, temp_node_size, NULL, "temp" },
- { align_stack_node, align_stack_node_size, NULL, "align_stack" },
- { movement_node, movement_node_size, NULL, "movement_stack" },
- { if_node, if_node_size, NULL, "if_stack" },
- { unhyphenated_node, active_node_size, NULL, "unhyphenated" }, /* 50 */
- { hyphenated_node, active_node_size, NULL, "hyphenated" },
- { delta_node, delta_node_size, NULL, "delta" },
- { passive_node, passive_node_size, NULL, "passive" },
- { shape_node, variable_node_size, NULL, "shape" },
- { -1, -1, NULL, NULL }};
+ {hlist_node, box_node_size, node_fields_list, "hlist"},
+ {vlist_node, box_node_size, node_fields_list, "vlist"},
+ {rule_node, rule_node_size, node_fields_rule, "rule"},
+ {ins_node, ins_node_size, node_fields_insert, "ins"},
+ {mark_node, mark_node_size, node_fields_mark, "mark"},
+ {adjust_node, adjust_node_size, node_fields_adjust, "adjust"},
+ {fake_node, fake_node_size, NULL, fake_node_name}, /* don't touch this! */
+ {disc_node, disc_node_size, node_fields_disc, "disc"},
+ {whatsit_node, -1, NULL, "whatsit"},
+ {math_node, math_node_size, node_fields_math, "math"},
+ {glue_node, glue_node_size, node_fields_glue, "glue"},
+ {kern_node, kern_node_size, node_fields_kern, "kern"},
+ {penalty_node, penalty_node_size, node_fields_penalty, "penalty"},
+ {unset_node, box_node_size, node_fields_unset, "unset"},
+ {style_node, style_node_size, node_fields_style, "style"},
+ {choice_node, style_node_size, node_fields_choice, "choice"},
+ {ord_noad, noad_size, node_fields_ord, "ord"},
+ {op_noad, noad_size, node_fields_op, "op"},
+ {bin_noad, noad_size, node_fields_bin, "bin"},
+ {rel_noad, noad_size, node_fields_rel, "rel"},
+ {open_noad, noad_size, node_fields_open, "open"},
+ {close_noad, noad_size, node_fields_close, "close"},
+ {punct_noad, noad_size, node_fields_punct, "punct"},
+ {inner_noad, noad_size, node_fields_inner, "inner"},
+ {radical_noad, radical_noad_size, node_fields_radical, "radical"},
+ {fraction_noad, fraction_noad_size, node_fields_fraction, "fraction"},
+ {under_noad, noad_size, node_fields_under, "under"},
+ {over_noad, noad_size, node_fields_over, "over"},
+ {accent_noad, accent_noad_size, node_fields_accent, "accent"},
+ {vcenter_noad, noad_size, node_fields_vcenter, "vcenter"},
+ {left_noad, noad_size, node_fields_left, "left"},
+ {right_noad, noad_size, node_fields_right, "right"},
+ {margin_kern_node, margin_kern_node_size, node_fields_margin_kern,
+ "margin_kern"},
+ {glyph_node, glyph_node_size, node_fields_glyph, "glyph"}, /* 33 */
+ {align_record_node, box_node_size, NULL, "align_record"},
+ {pseudo_file_node, pseudo_file_node_size, NULL, "pseudo_file"},
+ {pseudo_line_node, variable_node_size, NULL, "pseudo_line"},
+ {inserting_node, page_ins_node_size, node_fields_inserting, "page_insert"},
+ {split_up_node, page_ins_node_size, node_fields_splitup, "split_insert"},
+ {expr_node, expr_node_size, NULL, "expr_stack"},
+ {nesting_node, nesting_node_size, NULL, "nested_list"}, /* 40 */
+ {span_node, span_node_size, NULL, "span"},
+ {attribute_node, attribute_node_size, node_fields_attribute, "attribute"},
+ {glue_spec_node, glue_spec_size, node_fields_glue_spec, "glue_spec"},
+ {attribute_list_node, attribute_node_size, node_fields_attribute_list,
+ "attribute_list"},
+ {action_node, pdf_action_size, node_fields_action, "action"},
+ {temp_node, temp_node_size, NULL, "temp"},
+ {align_stack_node, align_stack_node_size, NULL, "align_stack"},
+ {movement_node, movement_node_size, NULL, "movement_stack"},
+ {if_node, if_node_size, NULL, "if_stack"},
+ {unhyphenated_node, active_node_size, NULL, "unhyphenated"}, /* 50 */
+ {hyphenated_node, active_node_size, NULL, "hyphenated"},
+ {delta_node, delta_node_size, NULL, "delta"},
+ {passive_node, passive_node_size, NULL, "passive"},
+ {shape_node, variable_node_size, NULL, "shape"},
+ {-1, -1, NULL, NULL}
+};
#define last_normal_node shape_node
node_info whatsit_node_data[] = {
- { open_node, open_node_size, node_fields_whatsit_open, "open" },
- { write_node, write_node_size, node_fields_whatsit_write, "write" },
- { close_node, close_node_size, node_fields_whatsit_close, "close" },
- { special_node, special_node_size, node_fields_whatsit_special, "special" },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { local_par_node, local_par_size, node_fields_whatsit_local_par, "local_par" },
- { dir_node, dir_node_size, node_fields_whatsit_dir, "dir" },
- { pdf_literal_node, write_node_size, node_fields_whatsit_pdf_literal, "pdf_literal" },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { pdf_refobj_node, pdf_refobj_node_size, node_fields_whatsit_pdf_refobj, "pdf_refobj" },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { pdf_refxform_node, pdf_refxform_node_size, node_fields_whatsit_pdf_refxform, "pdf_refxform" },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { pdf_refximage_node, pdf_refximage_node_size, node_fields_whatsit_pdf_refximage, "pdf_refximage" },
- { pdf_annot_node, pdf_annot_node_size, node_fields_whatsit_pdf_annot, "pdf_annot" },
- { pdf_start_link_node, pdf_annot_node_size, node_fields_whatsit_pdf_start_link, "pdf_start_link" },
- { pdf_end_link_node, pdf_end_link_node_size, node_fields_whatsit_pdf_end_link, "pdf_end_link" },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { pdf_dest_node, pdf_dest_node_size, node_fields_whatsit_pdf_dest, "pdf_dest" },
- { pdf_thread_node, pdf_thread_node_size, node_fields_whatsit_pdf_thread, "pdf_thread" },
- { pdf_start_thread_node, pdf_thread_node_size, node_fields_whatsit_pdf_start_thread,"pdf_start_thread"},
- { pdf_end_thread_node, pdf_end_thread_node_size, node_fields_whatsit_pdf_end_thread, "pdf_end_thread" },
- { pdf_save_pos_node, pdf_save_pos_node_size, node_fields_whatsit_pdf_save_pos, "pdf_save_pos" },
- { pdf_thread_data_node, pdf_thread_node_size, NULL, "pdf_thread_data" },
- { pdf_link_data_node, pdf_annot_node_size, NULL, "pdf_link_data" },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { late_lua_node, write_node_size, node_fields_whatsit_late_lua, "late_lua" },
- { close_lua_node, write_node_size, node_fields_whatsit_close_lua, "close_lua" },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { fake_node, fake_node_size, NULL, fake_node_name },
- { pdf_colorstack_node, pdf_colorstack_node_size, node_fields_whatsit_pdf_colorstack, "pdf_colorstack" },
- { pdf_setmatrix_node, pdf_setmatrix_node_size, node_fields_whatsit_pdf_setmatrix, "pdf_setmatrix" },
- { pdf_save_node, pdf_save_node_size, node_fields_whatsit_pdf_save, "pdf_save" },
- { pdf_restore_node, pdf_restore_node_size, node_fields_whatsit_pdf_restore, "pdf_restore" },
- { cancel_boundary_node, cancel_boundary_size, node_fields_whatsit_cancel_boundary, "cancel_boundary" },
- { user_defined_node, user_defined_node_size, node_fields_whatsit_user_defined, "user_defined" },
- { -1, -1, NULL, NULL }};
+ {open_node, open_node_size, node_fields_whatsit_open, "open"},
+ {write_node, write_node_size, node_fields_whatsit_write, "write"},
+ {close_node, close_node_size, node_fields_whatsit_close, "close"},
+ {special_node, special_node_size, node_fields_whatsit_special, "special"},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {local_par_node, local_par_size, node_fields_whatsit_local_par,
+ "local_par"},
+ {dir_node, dir_node_size, node_fields_whatsit_dir, "dir"},
+ {pdf_literal_node, write_node_size, node_fields_whatsit_pdf_literal,
+ "pdf_literal"},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {pdf_refobj_node, pdf_refobj_node_size, node_fields_whatsit_pdf_refobj,
+ "pdf_refobj"},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {pdf_refxform_node, pdf_refxform_node_size,
+ node_fields_whatsit_pdf_refxform, "pdf_refxform"},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {pdf_refximage_node, pdf_refximage_node_size,
+ node_fields_whatsit_pdf_refximage, "pdf_refximage"},
+ {pdf_annot_node, pdf_annot_node_size, node_fields_whatsit_pdf_annot,
+ "pdf_annot"},
+ {pdf_start_link_node, pdf_annot_node_size,
+ node_fields_whatsit_pdf_start_link, "pdf_start_link"},
+ {pdf_end_link_node, pdf_end_link_node_size,
+ node_fields_whatsit_pdf_end_link, "pdf_end_link"},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {pdf_dest_node, pdf_dest_node_size, node_fields_whatsit_pdf_dest,
+ "pdf_dest"},
+ {pdf_thread_node, pdf_thread_node_size, node_fields_whatsit_pdf_thread,
+ "pdf_thread"},
+ {pdf_start_thread_node, pdf_thread_node_size,
+ node_fields_whatsit_pdf_start_thread, "pdf_start_thread"},
+ {pdf_end_thread_node, pdf_end_thread_node_size,
+ node_fields_whatsit_pdf_end_thread, "pdf_end_thread"},
+ {pdf_save_pos_node, pdf_save_pos_node_size,
+ node_fields_whatsit_pdf_save_pos, "pdf_save_pos"},
+ {pdf_thread_data_node, pdf_thread_node_size, NULL, "pdf_thread_data"},
+ {pdf_link_data_node, pdf_annot_node_size, NULL, "pdf_link_data"},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {late_lua_node, write_node_size, node_fields_whatsit_late_lua, "late_lua"},
+ {close_lua_node, write_node_size, node_fields_whatsit_close_lua,
+ "close_lua"},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {fake_node, fake_node_size, NULL, fake_node_name},
+ {pdf_colorstack_node, pdf_colorstack_node_size,
+ node_fields_whatsit_pdf_colorstack, "pdf_colorstack"},
+ {pdf_setmatrix_node, pdf_setmatrix_node_size,
+ node_fields_whatsit_pdf_setmatrix, "pdf_setmatrix"},
+ {pdf_save_node, pdf_save_node_size, node_fields_whatsit_pdf_save,
+ "pdf_save"},
+ {pdf_restore_node, pdf_restore_node_size, node_fields_whatsit_pdf_restore,
+ "pdf_restore"},
+ {cancel_boundary_node, cancel_boundary_size,
+ node_fields_whatsit_cancel_boundary, "cancel_boundary"},
+ {user_defined_node, user_defined_node_size,
+ node_fields_whatsit_user_defined, "user_defined"},
+ {-1, -1, NULL, NULL}
+};
#define last_whatsit_node user_defined_node
#define get_node_size(i,j) (i!=whatsit_node ? node_data[i].size : whatsit_node_data[j].size)
#define get_node_name(i,j) (i!=whatsit_node ? node_data[i].name : whatsit_node_data[j].name)
-halfword
-new_node(int i, int j) {
- register int s;
- register halfword n;
- s = get_node_size(i,j);
- n = get_node(s);
- /* it should be possible to do this memset at free_node() */
- /* type() and subtype() will be set below, and vlink() is
- set to null by get_node(), so we can do we clearing one
- word less than |s| */
- (void)memset((void *)(varmem+n+1),0, (sizeof(memory_word)*(s-1)));
- switch (i) {
- case glyph_node:
- init_lang_data(n);
- break;
- case glue_node:
- case kern_node:
- case glue_spec_node:
- break;
- case hlist_node:
- case vlist_node:
- box_dir(n)=-1;
- break;
- case whatsit_node:
- if (j==open_node) {
- open_name(n) = get_nullstr();
- open_area(n) = open_name(n);
- open_ext(n) = open_name(n);
+halfword new_node(int i, int j)
+{
+ register int s;
+ register halfword n;
+ s = get_node_size(i, j);
+ n = get_node(s);
+ /* it should be possible to do this memset at free_node() */
+ /* type() and subtype() will be set below, and vlink() is
+ set to null by get_node(), so we can do we clearing one
+ word less than |s| */
+ (void) memset((void *) (varmem + n + 1), 0,
+ (sizeof(memory_word) * (s - 1)));
+ switch (i) {
+ case glyph_node:
+ init_lang_data(n);
+ break;
+ case glue_node:
+ case kern_node:
+ case glue_spec_node:
+ break;
+ case hlist_node:
+ case vlist_node:
+ box_dir(n) = -1;
+ break;
+ case whatsit_node:
+ if (j == open_node) {
+ open_name(n) = get_nullstr();
+ open_area(n) = open_name(n);
+ open_ext(n) = open_name(n);
+ }
+ break;
+ case disc_node:
+ pre_break(n) = pre_break_head(n);
+ type(pre_break(n)) = nesting_node;
+ subtype(pre_break(n)) = pre_break_head(0);
+ post_break(n) = post_break_head(n);
+ type(post_break(n)) = nesting_node;
+ subtype(post_break(n)) = post_break_head(0);
+ no_break(n) = no_break_head(n);
+ type(no_break(n)) = nesting_node;
+ subtype(no_break(n)) = no_break_head(0);
+ break;
+ case rule_node:
+ depth(n) = null_flag;
+ height(n) = null_flag;
+ rule_dir(n) = -1;
+ /* fall through */
+ case unset_node:
+ width(n) = null_flag;
+ break;
+ case pseudo_line_node:
+ case shape_node:
+ /* this is a trick that makes pseudo_files slightly slower,
+ * but the overall allocation faster then an explicit test
+ * at the top of new_node().
+ */
+ free_node(n, variable_node_size);
+ n = slow_get_node(j);
+ (void) memset((void *) (varmem + n + 1), 0,
+ (sizeof(memory_word) * (j - 1)));
+ break;
+ default:
+ break;
+ }
+ if (nodetype_has_attributes(i)) {
+ build_attribute_list(n);
}
- break;
- case disc_node:
- pre_break(n)=pre_break_head(n);
- type(pre_break(n))= nesting_node;
- subtype(pre_break(n))=pre_break_head(0);
- post_break(n)=post_break_head(n);
- type(post_break(n))= nesting_node;
- subtype(post_break(n))=post_break_head(0);
- no_break(n)=no_break_head(n);
- type(no_break(n))= nesting_node;
- subtype(no_break(n))=no_break_head(0);
- break;
- case rule_node:
- depth(n)=null_flag;
- height(n)=null_flag;
- rule_dir(n)=-1;
- /* fall through */
- case unset_node:
- width(n) = null_flag;
- break;
- case pseudo_line_node:
- case shape_node:
- /* this is a trick that makes pseudo_files slightly slower,
- * but the overall allocation faster then an explicit test
- * at the top of new_node().
- */
- free_node(n,variable_node_size);
- n = slow_get_node(j);
- (void)memset((void *)(varmem+n+1),0, (sizeof(memory_word)*(j-1)));
- break;
- default:
- break;
- }
- if (nodetype_has_attributes(i)) {
- build_attribute_list(n);
- }
- type(n)=i;
- subtype(n)=j;
- return n;
+ type(n) = i;
+ subtype(n) = j;
+ return n;
}
-halfword
-raw_glyph_node(void) {
- register halfword n;
- n = get_node(glyph_node_size);
- (void)memset((void *)(varmem+n+1),0, (sizeof(memory_word)*(glyph_node_size-1)));
- type(n)=glyph_node;
- subtype(n)=0;
- return n;
+halfword raw_glyph_node(void)
+{
+ register halfword n;
+ n = get_node(glyph_node_size);
+ (void) memset((void *) (varmem + n + 1), 0,
+ (sizeof(memory_word) * (glyph_node_size - 1)));
+ type(n) = glyph_node;
+ subtype(n) = 0;
+ return n;
}
-halfword
-new_glyph_node(void) {
- register halfword n;
- n = get_node(glyph_node_size);
- (void)memset((void *)(varmem+n+1),0, (sizeof(memory_word)*(glyph_node_size-1)));
- type(n)=glyph_node;
- subtype(n)=0;
- build_attribute_list(n);
- return n;
+halfword new_glyph_node(void)
+{
+ register halfword n;
+ n = get_node(glyph_node_size);
+ (void) memset((void *) (varmem + n + 1), 0,
+ (sizeof(memory_word) * (glyph_node_size - 1)));
+ type(n) = glyph_node;
+ subtype(n) = 0;
+ build_attribute_list(n);
+ return n;
}
/* makes a duplicate of the node list that starts at |p| and returns a
pointer to the new list */
-halfword
-copy_node_list(halfword p) {
- halfword q; /* previous position in new list */
- halfword h = null; /* head of the list */
- copy_error_seen = 0;
- while (p!=null) {
- register halfword s = copy_node(p);
- if (h==null) {
- h = s;
- } else {
- couple_nodes(q,s);
+halfword copy_node_list(halfword p)
+{
+ halfword q; /* previous position in new list */
+ halfword h = null; /* head of the list */
+ copy_error_seen = 0;
+ while (p != null) {
+ register halfword s = copy_node(p);
+ if (h == null) {
+ h = s;
+ } else {
+ couple_nodes(q, s);
+ }
+ q = s;
+ p = vlink(p);
}
- q=s;
- p=vlink(p);
- }
- return h;
+ return h;
}
/* make a dupe of a single node */
-halfword
-copy_node(const halfword p) {
- halfword r; /* current node being fabricated for new list */
- register halfword s; /* a helper variable for copying into variable mem */
- register int i;
- if (copy_error(p)) {
- r = new_node(temp_node,0);
- return r;
- }
- i = get_node_size(type(p), subtype(p));
- r = get_node(i);
- (void)memcpy((void *)(varmem+r),(void *)(varmem+p),(sizeof(memory_word)*i));
-
- if (nodetype_has_attributes(type(p))) {
- add_node_attr_ref(node_attr(p));
- alink(r)=null; /* needs checking */
- }
- vlink(r)=null;
- switch (type(p)) {
- case glyph_node:
- s=copy_node_list(lig_ptr(p));
- lig_ptr(r)=s;
- break;
- case glue_node:
- add_glue_ref(glue_ptr(p));
- s=copy_node_list(leader_ptr(p));
- leader_ptr(r)=s;
- break;
- case hlist_node:
- case vlist_node:
- case unset_node:
- s=copy_node_list(list_ptr(p));
- list_ptr(r)=s;
- break;
- case ins_node:
- add_glue_ref(split_top_ptr(p));
- s=copy_node_list(ins_ptr(p));
- ins_ptr(r)=s;
- break;
- case margin_kern_node:
- s=copy_node(margin_char(p));
- margin_char(r)=s;
- break;
- case disc_node:
- pre_break(r)=pre_break_head(r);
- if (vlink_pre_break(p)!=null) {
- s=copy_node_list(vlink_pre_break(p));
- alink(s)=pre_break(r);
- tlink_pre_break(r)=tail_of_list(s);
- vlink_pre_break(r)=s;
- } else {
- assert(tlink(pre_break(r))==null);
- }
- post_break(r)=post_break_head(r);
- if (vlink_post_break(p)!=null) {
- s=copy_node_list(vlink_post_break(p));
- alink(s)=post_break(r);
- tlink_post_break(r)=tail_of_list(s);
- vlink_post_break(r)=s;
- } else {
- assert(tlink_post_break(r)==null);
+halfword copy_node(const halfword p)
+{
+ halfword r; /* current node being fabricated for new list */
+ register halfword s; /* a helper variable for copying into variable mem */
+ register int i;
+ if (copy_error(p)) {
+ r = new_node(temp_node, 0);
+ return r;
}
- no_break(r)=no_break_head(r);
- if (vlink(no_break(p))!=null) {
- s=copy_node_list(vlink_no_break(p));
- alink(s)=no_break(r);
- tlink_no_break(r)=tail_of_list(s);
- vlink_no_break(r)=s;
- } else {
- assert(tlink_no_break(r)==null);
+ i = get_node_size(type(p), subtype(p));
+ r = get_node(i);
+ (void) memcpy((void *) (varmem + r), (void *) (varmem + p),
+ (sizeof(memory_word) * i));
+
+ if (nodetype_has_attributes(type(p))) {
+ add_node_attr_ref(node_attr(p));
+ alink(r) = null; /* needs checking */
}
- break;
- case mark_node:
- add_token_ref(mark_ptr(p));
- break;
- case adjust_node:
- s=copy_node_list(adjust_ptr(p));
- adjust_ptr(r)=s;
- break;
- case glue_spec_node:
- glue_ref_count(r)=null;
- break;
- case whatsit_node:
- switch (subtype(p)) {
- case dir_node:
- case local_par_node:
- break;
- case write_node:
- case special_node:
- add_token_ref(write_tokens(p));
- break;
- case pdf_literal_node:
- add_token_ref(pdf_literal_data(p));
- break;
- case pdf_colorstack_node:
- if (pdf_colorstack_cmd(p) <= colorstack_data)
- add_token_ref(pdf_colorstack_data(p));
- break;
- case pdf_setmatrix_node:
- add_token_ref(pdf_setmatrix_data(p));
- break;
- case late_lua_node:
- add_token_ref(late_lua_data(p));
- break;
- case pdf_annot_node:
- add_token_ref(pdf_annot_data(p));
- break;
- case pdf_start_link_node:
- if (pdf_link_attr(r) != null)
- add_token_ref(pdf_link_attr(r));
- add_action_ref(pdf_link_action(r));
- break;
- case pdf_dest_node:
- if (pdf_dest_named_id(p) > 0)
- add_token_ref(pdf_dest_id(p));
- break;
- case pdf_thread_node:
- case pdf_start_thread_node:
- if (pdf_thread_named_id(p) > 0)
- add_token_ref(pdf_thread_id(p));
- if (pdf_thread_attr(p) != null)
- add_token_ref(pdf_thread_attr(p));
- break;
- case user_defined_node:
- switch (user_node_type(p)) {
- case 'a': add_node_attr_ref(user_node_value(p));
+ vlink(r) = null;
+ switch (type(p)) {
+ case glyph_node:
+ s = copy_node_list(lig_ptr(p));
+ lig_ptr(r) = s;
+ break;
+ case glue_node:
+ add_glue_ref(glue_ptr(p));
+ s = copy_node_list(leader_ptr(p));
+ leader_ptr(r) = s;
break;
- case 't': add_token_ref(user_node_value(p));
+ case hlist_node:
+ case vlist_node:
+ case unset_node:
+ s = copy_node_list(list_ptr(p));
+ list_ptr(r) = s;
+ break;
+ case ins_node:
+ add_glue_ref(split_top_ptr(p));
+ s = copy_node_list(ins_ptr(p));
+ ins_ptr(r) = s;
+ break;
+ case margin_kern_node:
+ s = copy_node(margin_char(p));
+ margin_char(r) = s;
+ break;
+ case disc_node:
+ pre_break(r) = pre_break_head(r);
+ if (vlink_pre_break(p) != null) {
+ s = copy_node_list(vlink_pre_break(p));
+ alink(s) = pre_break(r);
+ tlink_pre_break(r) = tail_of_list(s);
+ vlink_pre_break(r) = s;
+ } else {
+ assert(tlink(pre_break(r)) == null);
+ }
+ post_break(r) = post_break_head(r);
+ if (vlink_post_break(p) != null) {
+ s = copy_node_list(vlink_post_break(p));
+ alink(s) = post_break(r);
+ tlink_post_break(r) = tail_of_list(s);
+ vlink_post_break(r) = s;
+ } else {
+ assert(tlink_post_break(r) == null);
+ }
+ no_break(r) = no_break_head(r);
+ if (vlink(no_break(p)) != null) {
+ s = copy_node_list(vlink_no_break(p));
+ alink(s) = no_break(r);
+ tlink_no_break(r) = tail_of_list(s);
+ vlink_no_break(r) = s;
+ } else {
+ assert(tlink_no_break(r) == null);
+ }
break;
- case 'n':
- s=copy_node_list(user_node_value(p));
- user_node_value(r)=s;
+ case mark_node:
+ add_token_ref(mark_ptr(p));
+ break;
+ case adjust_node:
+ s = copy_node_list(adjust_ptr(p));
+ adjust_ptr(r) = s;
+ break;
+ case glue_spec_node:
+ glue_ref_count(r) = null;
+ break;
+ case whatsit_node:
+ switch (subtype(p)) {
+ case dir_node:
+ case local_par_node:
+ break;
+ case write_node:
+ case special_node:
+ add_token_ref(write_tokens(p));
+ break;
+ case pdf_literal_node:
+ add_token_ref(pdf_literal_data(p));
+ break;
+ case pdf_colorstack_node:
+ if (pdf_colorstack_cmd(p) <= colorstack_data)
+ add_token_ref(pdf_colorstack_data(p));
+ break;
+ case pdf_setmatrix_node:
+ add_token_ref(pdf_setmatrix_data(p));
+ break;
+ case late_lua_node:
+ add_token_ref(late_lua_data(p));
+ break;
+ case pdf_annot_node:
+ add_token_ref(pdf_annot_data(p));
+ break;
+ case pdf_start_link_node:
+ if (pdf_link_attr(r) != null)
+ add_token_ref(pdf_link_attr(r));
+ add_action_ref(pdf_link_action(r));
+ break;
+ case pdf_dest_node:
+ if (pdf_dest_named_id(p) > 0)
+ add_token_ref(pdf_dest_id(p));
+ break;
+ case pdf_thread_node:
+ case pdf_start_thread_node:
+ if (pdf_thread_named_id(p) > 0)
+ add_token_ref(pdf_thread_id(p));
+ if (pdf_thread_attr(p) != null)
+ add_token_ref(pdf_thread_attr(p));
+ break;
+ case user_defined_node:
+ switch (user_node_type(p)) {
+ case 'a':
+ add_node_attr_ref(user_node_value(p));
+ break;
+ case 't':
+ add_token_ref(user_node_value(p));
+ break;
+ case 'n':
+ s = copy_node_list(user_node_value(p));
+ user_node_value(r) = s;
+ break;
+ }
+ break;
+ default:
+ break;
+ }
break;
- }
- break;
- default:
- break;
}
- break;
- }
- return r;
+ return r;
}
-int valid_node (halfword p) {
- if (p>prealloc) {
- if (p<var_mem_max) {
- if (varmem_sizes[p]>0)
- return 1;
+int valid_node(halfword p)
+{
+ if (p > prealloc) {
+ if (p < var_mem_max) {
+ if (varmem_sizes[p] > 0)
+ return 1;
+ }
+ } else {
+ return 1;
}
- } else {
- return 1;
- }
- return 0;
+ return 0;
}
-static void
-do_free_error (halfword p) {
- char errstr[255]= {0};
- char *errhlp[] = {"When I tried to free the node mentioned in the error message, it turned",
- "out it was not (or no longer) actually in use.",
- "Errors such as these are often caused by Lua node list alteration,",
- "but could also point to a bug in the executable. It should be safe to continue.",
- NULL};
-
- check_node_mem();
- if (free_error_seen)
- return;
-
- halfword r = null;
- free_error_seen = 1;
- if (type(p)==glyph_node) {
- snprintf(errstr,255,"Attempt to double-free glyph (%c) node %d, ignored", (int)character (p), (int)p);
- } else {
- snprintf(errstr,255,"Attempt to double-free %s node %d, ignored", get_node_name(type(p),subtype(p)), (int)p);
- }
- tex_error(errstr,errhlp);
- for (r=prealloc+1;r<var_mem_max;r++) {
- if (vlink(r)==p) {
- halfword s = r;
- while (s>prealloc && varmem_sizes[s]==0)
- s--;
- if (s!=null
- && s!=prealloc
- && s!=var_mem_max
- && (r-s)<get_node_size(type(s),subtype(s) )
- && alink(s)!=p ) {
-
- if (type(s)==disc_node) {
- fprintf(stdout," pointed to from %s node %d (vlink %d, alink %d): ",
- get_node_name(type(s),subtype(s)), (int)s, (int)vlink(s), (int)alink(s));
- fprintf(stdout,"pre_break(%d,%d,%d), ", (int)vlink_pre_break(s), (int)tlink(pre_break(s)), (int)alink(pre_break(s)));
- fprintf(stdout,"post_break(%d,%d,%d), ", (int)vlink_post_break(s), (int)tlink(post_break(s)), (int)alink(post_break(s)));
- fprintf(stdout,"no_break(%d,%d,%d)", (int)vlink_no_break(s), (int)tlink(no_break(s)), (int)alink(no_break(s)));
- fprintf(stdout,"\n");
- } else {
- if (vlink(s)==p
- || (type(s)==glyph_node && lig_ptr(s)==p)
- || (type(s)==vlist_node && list_ptr(s)==p)
- || (type(s)==hlist_node && list_ptr(s)==p)
- || (type(s)==unset_node && list_ptr(s)==p)
- || (type(s)==ins_node && ins_ptr(s)==p)
- ) {
- fprintf(stdout," pointed to from %s node %d (vlink %d, alink %d): ",
- get_node_name(type(s),subtype(s)), (int)s, (int)vlink(s), (int)alink(s));
- if (type(s)==glyph_node) {
- fprintf(stdout,"lig_ptr(%d)", (int)lig_ptr(s));
- } else if (type(s)==vlist_node || type(s)==hlist_node) {
- fprintf(stdout,"list_ptr(%d)", (int)list_ptr(s));
- }
- fprintf(stdout,"\n");
- } else {
- if ((type(s)!=penalty_node)
- && (type(s)!=math_node)
- && (type(s)!=kern_node)
- ) {
- fprintf(stdout," pointed to from %s node %d\n",get_node_name(type(s),subtype(s)), (int)s);
+static void do_free_error(halfword p)
+{
+ char errstr[255] = { 0 };
+ char *errhlp[] =
+ {
+"When I tried to free the node mentioned in the error message, it turned",
+ "out it was not (or no longer) actually in use.",
+ "Errors such as these are often caused by Lua node list alteration,",
+ "but could also point to a bug in the executable. It should be safe to continue.",
+ NULL
+ };
+
+ check_node_mem();
+ if (free_error_seen)
+ return;
+
+ halfword r = null;
+ free_error_seen = 1;
+ if (type(p) == glyph_node) {
+ snprintf(errstr, 255,
+ "Attempt to double-free glyph (%c) node %d, ignored",
+ (int) character(p), (int) p);
+ } else {
+ snprintf(errstr, 255, "Attempt to double-free %s node %d, ignored",
+ get_node_name(type(p), subtype(p)), (int) p);
+ }
+ tex_error(errstr, errhlp);
+ for (r = prealloc + 1; r < var_mem_max; r++) {
+ if (vlink(r) == p) {
+ halfword s = r;
+ while (s > prealloc && varmem_sizes[s] == 0)
+ s--;
+ if (s != null
+ && s != prealloc
+ && s != var_mem_max
+ && (r - s) < get_node_size(type(s), subtype(s))
+ && alink(s) != p) {
+
+ if (type(s) == disc_node) {
+ fprintf(stdout,
+ " pointed to from %s node %d (vlink %d, alink %d): ",
+ get_node_name(type(s), subtype(s)), (int) s,
+ (int) vlink(s), (int) alink(s));
+ fprintf(stdout, "pre_break(%d,%d,%d), ",
+ (int) vlink_pre_break(s), (int) tlink(pre_break(s)),
+ (int) alink(pre_break(s)));
+ fprintf(stdout, "post_break(%d,%d,%d), ",
+ (int) vlink_post_break(s),
+ (int) tlink(post_break(s)),
+ (int) alink(post_break(s)));
+ fprintf(stdout, "no_break(%d,%d,%d)",
+ (int) vlink_no_break(s), (int) tlink(no_break(s)),
+ (int) alink(no_break(s)));
+ fprintf(stdout, "\n");
+ } else {
+ if (vlink(s) == p
+ || (type(s) == glyph_node && lig_ptr(s) == p)
+ || (type(s) == vlist_node && list_ptr(s) == p)
+ || (type(s) == hlist_node && list_ptr(s) == p)
+ || (type(s) == unset_node && list_ptr(s) == p)
+ || (type(s) == ins_node && ins_ptr(s) == p)
+ ) {
+ fprintf(stdout,
+ " pointed to from %s node %d (vlink %d, alink %d): ",
+ get_node_name(type(s), subtype(s)), (int) s,
+ (int) vlink(s), (int) alink(s));
+ if (type(s) == glyph_node) {
+ fprintf(stdout, "lig_ptr(%d)", (int) lig_ptr(s));
+ } else if (type(s) == vlist_node
+ || type(s) == hlist_node) {
+ fprintf(stdout, "list_ptr(%d)", (int) list_ptr(s));
+ }
+ fprintf(stdout, "\n");
+ } else {
+ if ((type(s) != penalty_node)
+ && (type(s) != math_node)
+ && (type(s) != kern_node)
+ ) {
+ fprintf(stdout, " pointed to from %s node %d\n",
+ get_node_name(type(s), subtype(s)),
+ (int) s);
+ }
+ }
+ }
}
- }
}
- }
}
- }
}
-int
-free_error (halfword p) {
- assert(p>prealloc);
- assert(p<var_mem_max);
- if (varmem_sizes[p]==0) {
- do_free_error(p);
- return 1; /* double free */
- }
- return 0;
+int free_error(halfword p)
+{
+ assert(p > prealloc);
+ assert(p < var_mem_max);
+ if (varmem_sizes[p] == 0) {
+ do_free_error(p);
+ return 1; /* double free */
+ }
+ return 0;
}
-static void
-do_copy_error (halfword p) {
- char errstr[255]= {0};
- char *errhlp[] = {"When I tried to copy the node mentioned in the error message, it turned",
- "out it was not (or no longer) actually in use.",
- "Errors such as these are often caused by Lua node list alteration,",
- "but could also point to a bug in the executable. It should be safe to continue.",
- NULL};
+static void do_copy_error(halfword p)
+{
+ char errstr[255] = { 0 };
+ char *errhlp[] =
+ {
+"When I tried to copy the node mentioned in the error message, it turned",
+ "out it was not (or no longer) actually in use.",
+ "Errors such as these are often caused by Lua node list alteration,",
+ "but could also point to a bug in the executable. It should be safe to continue.",
+ NULL
+ };
+
+ if (copy_error_seen)
+ return;
+
+ copy_error_seen = 1;
+ if (type(p) == glyph_node) {
+ snprintf(errstr, 255,
+ "Attempt to copy free glyph (%c) node %d, ignored",
+ (int) character(p), (int) p);
+ } else {
+ snprintf(errstr, 255, "Attempt to copy free %s node %d, ignored",
+ get_node_name(type(p), subtype(p)), (int) p);
+ }
+ tex_error(errstr, errhlp);
+}
- if (copy_error_seen)
- return;
- copy_error_seen = 1;
- if (type(p)==glyph_node) {
- snprintf(errstr,255,"Attempt to copy free glyph (%c) node %d, ignored", (int)character (p), (int)p);
- } else {
- snprintf(errstr,255,"Attempt to copy free %s node %d, ignored", get_node_name(type(p),subtype(p)), (int)p);
- }
- tex_error(errstr,errhlp);
+int copy_error(halfword p)
+{
+ assert(p >= 0);
+ assert(p < var_mem_max);
+ if (p > prealloc && varmem_sizes[p] == 0) {
+ do_copy_error(p);
+ return 1; /* copy free node */
+ }
+ return 0;
}
-int
-copy_error (halfword p) {
- assert(p>=0);
- assert(p<var_mem_max);
- if (p>prealloc && varmem_sizes[p]==0) {
- do_copy_error(p);
- return 1; /* copy free node */
- }
- return 0;
-}
+void flush_node(halfword p)
+{
+ if (p == null) /* legal, but no-op */
+ return;
-void
-flush_node (halfword p) {
-
- if (p==null) /* legal, but no-op */
- return;
+ if (free_error(p))
+ return;
- if (free_error(p))
- return;
-
- switch(type(p)) {
- case glyph_node:
- flush_node_list(lig_ptr(p));
- break;
- case glue_node:
- delete_glue_ref(glue_ptr(p));
- flush_node_list(leader_ptr(p));
- break;
-
- case attribute_node:
- case attribute_list_node:
- case temp_node:
- case glue_spec_node:
- case rule_node:
- case kern_node:
- case math_node:
- case penalty_node:
- break;
-
- case hlist_node:
- case vlist_node:
- case unset_node:
- flush_node_list(list_ptr(p));
- break;
- case whatsit_node:
- switch (subtype(p)) {
-
- case dir_node:
- break;
- case open_node:
- case write_node:
- case close_node:
- case pdf_save_node:
- case pdf_restore_node:
- case cancel_boundary_node:
- case close_lua_node:
- case pdf_refobj_node:
- case pdf_refxform_node:
- case pdf_refximage_node:
- case pdf_end_link_node:
- case pdf_end_thread_node:
- case pdf_save_pos_node:
- case local_par_node:
- break;
-
- case special_node:
- delete_token_ref(write_tokens(p));
- break;
- case pdf_literal_node:
- delete_token_ref(pdf_literal_data(p));
- break;
- case pdf_colorstack_node:
- if (pdf_colorstack_cmd(p) <= colorstack_data)
- delete_token_ref(pdf_colorstack_data(p));
- break;
- case pdf_setmatrix_node:
- delete_token_ref(pdf_setmatrix_data(p));
- break;
- case late_lua_node:
- delete_token_ref(late_lua_data(p));
- break;
- case pdf_annot_node:
- delete_token_ref(pdf_annot_data(p));
- break;
-
- case pdf_link_data_node:
- break;
-
- case pdf_start_link_node:
- if (pdf_link_attr(p) != null)
- delete_token_ref(pdf_link_attr(p));
- delete_action_ref(pdf_link_action(p));
- break;
- case pdf_dest_node:
- if (pdf_dest_named_id(p) > 0)
- delete_token_ref(pdf_dest_id(p));
- break;
-
- case pdf_thread_data_node:
- break;
-
- case pdf_thread_node:
- case pdf_start_thread_node:
- if (pdf_thread_named_id(p) > 0 ) delete_token_ref(pdf_thread_id(p));
- if (pdf_thread_attr(p) != null) delete_token_ref(pdf_thread_attr(p));
- break;
- case user_defined_node:
- switch( user_node_type(p)) {
- case 'a': delete_attribute_ref(user_node_value(p)); break;
- case 't': delete_token_ref(user_node_value(p)); break;
- case 'n': flush_node_list(user_node_value(p)); break;
- default: tconfusion("extuser"); break;
- }
- break;
+ switch (type(p)) {
+ case glyph_node:
+ flush_node_list(lig_ptr(p));
+ break;
+ case glue_node:
+ delete_glue_ref(glue_ptr(p));
+ flush_node_list(leader_ptr(p));
+ break;
+
+ case attribute_node:
+ case attribute_list_node:
+ case temp_node:
+ case glue_spec_node:
+ case rule_node:
+ case kern_node:
+ case math_node:
+ case penalty_node:
+ break;
+
+ case hlist_node:
+ case vlist_node:
+ case unset_node:
+ flush_node_list(list_ptr(p));
+ break;
+ case whatsit_node:
+ switch (subtype(p)) {
+
+ case dir_node:
+ break;
+ case open_node:
+ case write_node:
+ case close_node:
+ case pdf_save_node:
+ case pdf_restore_node:
+ case cancel_boundary_node:
+ case close_lua_node:
+ case pdf_refobj_node:
+ case pdf_refxform_node:
+ case pdf_refximage_node:
+ case pdf_end_link_node:
+ case pdf_end_thread_node:
+ case pdf_save_pos_node:
+ case local_par_node:
+ break;
+
+ case special_node:
+ delete_token_ref(write_tokens(p));
+ break;
+ case pdf_literal_node:
+ delete_token_ref(pdf_literal_data(p));
+ break;
+ case pdf_colorstack_node:
+ if (pdf_colorstack_cmd(p) <= colorstack_data)
+ delete_token_ref(pdf_colorstack_data(p));
+ break;
+ case pdf_setmatrix_node:
+ delete_token_ref(pdf_setmatrix_data(p));
+ break;
+ case late_lua_node:
+ delete_token_ref(late_lua_data(p));
+ break;
+ case pdf_annot_node:
+ delete_token_ref(pdf_annot_data(p));
+ break;
+
+ case pdf_link_data_node:
+ break;
+
+ case pdf_start_link_node:
+ if (pdf_link_attr(p) != null)
+ delete_token_ref(pdf_link_attr(p));
+ delete_action_ref(pdf_link_action(p));
+ break;
+ case pdf_dest_node:
+ if (pdf_dest_named_id(p) > 0)
+ delete_token_ref(pdf_dest_id(p));
+ break;
+
+ case pdf_thread_data_node:
+ break;
+
+ case pdf_thread_node:
+ case pdf_start_thread_node:
+ if (pdf_thread_named_id(p) > 0)
+ delete_token_ref(pdf_thread_id(p));
+ if (pdf_thread_attr(p) != null)
+ delete_token_ref(pdf_thread_attr(p));
+ break;
+ case user_defined_node:
+ switch (user_node_type(p)) {
+ case 'a':
+ delete_attribute_ref(user_node_value(p));
+ break;
+ case 't':
+ delete_token_ref(user_node_value(p));
+ break;
+ case 'n':
+ flush_node_list(user_node_value(p));
+ break;
+ default:
+ tconfusion("extuser");
+ break;
+ }
+ break;
+
+ default:
+ tconfusion("ext3");
+ return;
+
+ }
+ break;
+ case ins_node:
+ flush_node_list(ins_ptr(p));
+ delete_glue_ref(split_top_ptr(p));
+ break;
+ case margin_kern_node:
+ flush_node(margin_char(p));
+ break;
+ case mark_node:
+ delete_token_ref(mark_ptr(p));
+ break;
+ case disc_node:
+ flush_node_list(vlink(pre_break(p)));
+ flush_node_list(vlink(post_break(p)));
+ flush_node_list(vlink(no_break(p)));
+ break;
+ case adjust_node:
+ flush_node_list(adjust_ptr(p));
+ break;
+ case style_node:
+ break;
+ case choice_node:
+ flush_node_list(display_mlist(p));
+ flush_node_list(text_mlist(p));
+ flush_node_list(script_mlist(p));
+ flush_node_list(script_script_mlist(p));
+ break;
+ case ord_noad:
+ case op_noad:
+ case bin_noad:
+ case rel_noad:
+ case open_noad:
+ case close_noad:
+ case punct_noad:
+ case inner_noad:
+ case radical_noad:
+ case over_noad:
+ case under_noad:
+ case vcenter_noad:
+ case accent_noad:
+
+ /*
+ * if (math_type(nucleus(p))>=sub_box)
+ * flush_node_list(vinfo(nucleus(p)));
+ * if (math_type(supscr(p))>=sub_box)
+ * flush_node_list(vinfo(supscr(p)));
+ * if (math_type(subscr(p))>=sub_box)
+ * flush_node_list(vinfo(subscr(p)));
+ */
+ break;
+ case left_noad:
+ case right_noad:
+ break;
+ case fraction_noad:
+ flush_node_list(vinfo(numerator(p)));
+ flush_node_list(vinfo(denominator(p)));
+ break;
+ case pseudo_file_node:
+ flush_node_list(pseudo_lines(p));
+ break;
+ case pseudo_line_node:
+ case shape_node:
+ free_node(p, subtype(p));
+ return;
+ break;
+ case align_stack_node:
+ case span_node:
+ case movement_node:
+ case if_node:
+ case nesting_node:
+ case unhyphenated_node:
+ case hyphenated_node:
+ case delta_node:
+ case passive_node:
+ case action_node:
+ case inserting_node:
+ case split_up_node:
+ case expr_node:
+ break;
default:
- tconfusion("ext3");
- return;
+ fprintf(stdout, "flush_node: type is %d\n", type(p));
+ return;
}
- break;
- case ins_node:
- flush_node_list(ins_ptr(p));
- delete_glue_ref(split_top_ptr(p));
- break;
- case margin_kern_node:
- flush_node(margin_char(p));
- break;
- case mark_node:
- delete_token_ref(mark_ptr(p));
- break;
- case disc_node:
- flush_node_list(vlink(pre_break(p)));
- flush_node_list(vlink(post_break(p)));
- flush_node_list(vlink(no_break(p)));
- break;
- case adjust_node:
- flush_node_list(adjust_ptr(p));
- break;
- case style_node:
- break;
- case choice_node:
- flush_node_list(display_mlist(p));
- flush_node_list(text_mlist(p));
- flush_node_list(script_mlist(p));
- flush_node_list(script_script_mlist(p));
- break;
- case ord_noad:
- case op_noad:
- case bin_noad:
- case rel_noad:
- case open_noad:
- case close_noad:
- case punct_noad:
- case inner_noad:
- case radical_noad:
- case over_noad:
- case under_noad:
- case vcenter_noad:
- case accent_noad:
-
- /*
- * if (math_type(nucleus(p))>=sub_box)
- * flush_node_list(vinfo(nucleus(p)));
- * if (math_type(supscr(p))>=sub_box)
- * flush_node_list(vinfo(supscr(p)));
- * if (math_type(subscr(p))>=sub_box)
- * flush_node_list(vinfo(subscr(p)));
- */
-
- break;
- case left_noad:
- case right_noad:
- break;
- case fraction_noad:
- flush_node_list(vinfo(numerator(p)));
- flush_node_list(vinfo(denominator(p)));
- break;
- case pseudo_file_node:
- flush_node_list(pseudo_lines(p));
- break;
- case pseudo_line_node:
- case shape_node:
- free_node(p,subtype(p));
- return;
- break;
- case align_stack_node:
- case span_node:
- case movement_node:
- case if_node:
- case nesting_node:
- case unhyphenated_node:
- case hyphenated_node:
- case delta_node:
- case passive_node:
- case action_node:
- case inserting_node:
- case split_up_node:
- case expr_node:
- break;
- default:
- fprintf(stdout,"flush_node: type is %d\n", type(p));
+ if (nodetype_has_attributes(type(p)))
+ delete_attribute_ref(node_attr(p));
+ free_node(p, get_node_size(type(p), subtype(p)));
return;
-
- }
- if (nodetype_has_attributes(type(p)))
- delete_attribute_ref(node_attr(p));
- free_node(p,get_node_size(type(p),subtype(p)));
- return;
}
-void
-flush_node_list(halfword pp) { /* erase list of nodes starting at |p| */
- register halfword p=pp;
- free_error_seen = 0;
- if (p==null) /* legal, but no-op */
- return;
- if (free_error(p))
- return;
-
- while (p!=null) {
- register halfword q = vlink(p);
- flush_node(p);
- p=q;
- }
+void flush_node_list(halfword pp)
+{ /* erase list of nodes starting at |p| */
+ register halfword p = pp;
+ free_error_seen = 0;
+ if (p == null) /* legal, but no-op */
+ return;
+ if (free_error(p))
+ return;
+
+ while (p != null) {
+ register halfword q = vlink(p);
+ flush_node(p);
+ p = q;
+ }
}
static int test_count = 1;
@@ -854,841 +947,880 @@ static int test_count = 1;
#define check_attribute_ref(a) { dorangetest(p,a,var_mem_max); }
#define check_token_ref(a) assert(1)
-void
-check_node (halfword p) {
-
- switch(type(p)) {
- case glyph_node:
- dorangetest(p,lig_ptr(p),var_mem_max);
- break;
- case glue_node:
- check_glue_ref(glue_ptr(p));
- dorangetest(p,leader_ptr(p),var_mem_max);
- break;
- case hlist_node:
- case vlist_node:
- case unset_node:
- case align_record_node:
- dorangetest(p,list_ptr(p),var_mem_max);
- break;
- case ins_node:
- dorangetest(p,ins_ptr(p),var_mem_max);
- check_glue_ref(split_top_ptr(p));
- break;
- case whatsit_node:
- switch (subtype(p)) {
- case special_node:
- check_token_ref(write_tokens(p));
- break;
- case pdf_literal_node:
- check_token_ref(pdf_literal_data(p));
- break;
- case pdf_colorstack_node:
- if (pdf_colorstack_cmd(p) <= colorstack_data)
- check_token_ref(pdf_colorstack_data(p));
- break;
- case pdf_setmatrix_node:
- check_token_ref(pdf_setmatrix_data(p));
- break;
- case late_lua_node:
- check_token_ref(late_lua_data(p));
- break;
- case pdf_annot_node:
- check_token_ref(pdf_annot_data(p));
- break;
- case pdf_start_link_node:
- if (pdf_link_attr(p) != null)
- check_token_ref(pdf_link_attr(p));
- check_action_ref(pdf_link_action(p));
- break;
- case pdf_dest_node:
- if (pdf_dest_named_id(p) > 0)
- check_token_ref(pdf_dest_id(p));
- break;
- case pdf_thread_node:
- case pdf_start_thread_node:
- if (pdf_thread_named_id(p) > 0 ) check_token_ref(pdf_thread_id(p));
- if (pdf_thread_attr(p) != null) check_token_ref(pdf_thread_attr(p));
- break;
- case user_defined_node:
- switch( user_node_type(p)) {
- case 'a': check_attribute_ref(user_node_value(p)); break;
- case 't': check_token_ref(user_node_value(p)); break;
- case 'n': dorangetest(p,user_node_value(p),var_mem_max); break;
- default: tconfusion("extuser"); break;
- }
- break;
- case dir_node:
- case open_node:
- case write_node:
- case close_node:
- case pdf_save_node:
- case pdf_restore_node:
- case cancel_boundary_node:
- case close_lua_node:
- case pdf_refobj_node:
- case pdf_refxform_node:
- case pdf_refximage_node:
- case pdf_end_link_node:
- case pdf_end_thread_node:
- case pdf_save_pos_node:
- case local_par_node:
- break;
+void check_node(halfword p)
+{
+
+ switch (type(p)) {
+ case glyph_node:
+ dorangetest(p, lig_ptr(p), var_mem_max);
+ break;
+ case glue_node:
+ check_glue_ref(glue_ptr(p));
+ dorangetest(p, leader_ptr(p), var_mem_max);
+ break;
+ case hlist_node:
+ case vlist_node:
+ case unset_node:
+ case align_record_node:
+ dorangetest(p, list_ptr(p), var_mem_max);
+ break;
+ case ins_node:
+ dorangetest(p, ins_ptr(p), var_mem_max);
+ check_glue_ref(split_top_ptr(p));
+ break;
+ case whatsit_node:
+ switch (subtype(p)) {
+ case special_node:
+ check_token_ref(write_tokens(p));
+ break;
+ case pdf_literal_node:
+ check_token_ref(pdf_literal_data(p));
+ break;
+ case pdf_colorstack_node:
+ if (pdf_colorstack_cmd(p) <= colorstack_data)
+ check_token_ref(pdf_colorstack_data(p));
+ break;
+ case pdf_setmatrix_node:
+ check_token_ref(pdf_setmatrix_data(p));
+ break;
+ case late_lua_node:
+ check_token_ref(late_lua_data(p));
+ break;
+ case pdf_annot_node:
+ check_token_ref(pdf_annot_data(p));
+ break;
+ case pdf_start_link_node:
+ if (pdf_link_attr(p) != null)
+ check_token_ref(pdf_link_attr(p));
+ check_action_ref(pdf_link_action(p));
+ break;
+ case pdf_dest_node:
+ if (pdf_dest_named_id(p) > 0)
+ check_token_ref(pdf_dest_id(p));
+ break;
+ case pdf_thread_node:
+ case pdf_start_thread_node:
+ if (pdf_thread_named_id(p) > 0)
+ check_token_ref(pdf_thread_id(p));
+ if (pdf_thread_attr(p) != null)
+ check_token_ref(pdf_thread_attr(p));
+ break;
+ case user_defined_node:
+ switch (user_node_type(p)) {
+ case 'a':
+ check_attribute_ref(user_node_value(p));
+ break;
+ case 't':
+ check_token_ref(user_node_value(p));
+ break;
+ case 'n':
+ dorangetest(p, user_node_value(p), var_mem_max);
+ break;
+ default:
+ tconfusion("extuser");
+ break;
+ }
+ break;
+ case dir_node:
+ case open_node:
+ case write_node:
+ case close_node:
+ case pdf_save_node:
+ case pdf_restore_node:
+ case cancel_boundary_node:
+ case close_lua_node:
+ case pdf_refobj_node:
+ case pdf_refxform_node:
+ case pdf_refximage_node:
+ case pdf_end_link_node:
+ case pdf_end_thread_node:
+ case pdf_save_pos_node:
+ case local_par_node:
+ break;
+ default:
+ tconfusion("ext3");
+ }
+ break;
+ case margin_kern_node:
+ check_node(margin_char(p));
+ break;
+ case disc_node:
+ dorangetest(p, vlink(pre_break(p)), var_mem_max);
+ dorangetest(p, vlink(post_break(p)), var_mem_max);
+ dorangetest(p, vlink(no_break(p)), var_mem_max);
+ break;
+ case adjust_node:
+ dorangetest(p, adjust_ptr(p), var_mem_max);
+ break;
+ case pseudo_file_node:
+ dorangetest(p, pseudo_lines(p), var_mem_max);
+ break;
+ case pseudo_line_node:
+ case shape_node:
+ break;
+ case choice_node:
+ dorangetest(p, display_mlist(p), var_mem_max);
+ dorangetest(p, text_mlist(p), var_mem_max);
+ dorangetest(p, script_mlist(p), var_mem_max);
+ dorangetest(p, script_script_mlist(p), var_mem_max);
+ break;
+ case fraction_noad:
+ dorangetest(p, vinfo(numerator(p)), var_mem_max);
+ dorangetest(p, vinfo(denominator(p)), var_mem_max);
+ break;
+ case rule_node:
+ case kern_node:
+ case math_node:
+ case penalty_node:
+ case mark_node:
+ case style_node:
+ case ord_noad:
+ case op_noad:
+ case bin_noad:
+ case rel_noad:
+ case open_noad:
+ case close_noad:
+ case punct_noad:
+ case inner_noad:
+ case radical_noad:
+ case over_noad:
+ case under_noad:
+ case vcenter_noad:
+ case accent_noad:
+ case left_noad:
+ case right_noad:
+ case attribute_list_node:
+ case attribute_node:
+ case glue_spec_node:
+ case temp_node:
+ case align_stack_node:
+ case movement_node:
+ case if_node:
+ case nesting_node:
+ case span_node:
+ case unhyphenated_node:
+ case hyphenated_node:
+ case delta_node:
+ case passive_node:
+ case expr_node:
+ break;
default:
- tconfusion("ext3");
+ fprintf(stdout, "check_node: type is %d\n", type(p));
}
- break;
- case margin_kern_node:
- check_node(margin_char(p));
- break;
- case disc_node:
- dorangetest(p,vlink(pre_break(p)),var_mem_max);
- dorangetest(p,vlink(post_break(p)),var_mem_max);
- dorangetest(p,vlink(no_break(p)),var_mem_max);
- break;
- case adjust_node:
- dorangetest(p,adjust_ptr(p),var_mem_max);
- break;
- case pseudo_file_node:
- dorangetest(p,pseudo_lines(p),var_mem_max);
- break;
- case pseudo_line_node:
- case shape_node:
- break;
- case choice_node:
- dorangetest(p,display_mlist(p),var_mem_max);
- dorangetest(p,text_mlist(p),var_mem_max);
- dorangetest(p,script_mlist(p),var_mem_max);
- dorangetest(p,script_script_mlist(p),var_mem_max);
- break;
- case fraction_noad:
- dorangetest(p,vinfo(numerator(p)),var_mem_max);
- dorangetest(p,vinfo(denominator(p)),var_mem_max);
- break;
- case rule_node:
- case kern_node:
- case math_node:
- case penalty_node:
- case mark_node:
- case style_node:
- case ord_noad:
- case op_noad:
- case bin_noad:
- case rel_noad:
- case open_noad:
- case close_noad:
- case punct_noad:
- case inner_noad:
- case radical_noad:
- case over_noad:
- case under_noad:
- case vcenter_noad:
- case accent_noad:
- case left_noad:
- case right_noad:
- case attribute_list_node:
- case attribute_node:
- case glue_spec_node:
- case temp_node:
- case align_stack_node:
- case movement_node:
- case if_node:
- case nesting_node:
- case span_node:
- case unhyphenated_node:
- case hyphenated_node:
- case delta_node:
- case passive_node:
- case expr_node:
- break;
- default:
- fprintf(stdout,"check_node: type is %d\n", type(p));
- }
}
-void
-check_static_node_mem (void) {
- dotest(zero_glue,width(zero_glue),0);
- dotest(zero_glue,type(zero_glue),glue_spec_node);
- dotest(zero_glue,vlink(zero_glue),null);
- dotest(zero_glue,stretch(zero_glue),0);
- dotest(zero_glue,stretch_order(zero_glue),normal);
- dotest(zero_glue,shrink(zero_glue),0);
- dotest(zero_glue,shrink_order(zero_glue),normal);
-
- dotest(sfi_glue,width(sfi_glue),0);
- dotest(sfi_glue,type(sfi_glue),glue_spec_node);
- dotest(sfi_glue,vlink(sfi_glue),null);
- dotest(sfi_glue,stretch(sfi_glue),0);
- dotest(sfi_glue,stretch_order(sfi_glue),sfi);
- dotest(sfi_glue,shrink(sfi_glue),0);
- dotest(sfi_glue,shrink_order(sfi_glue),normal);
-
- dotest(fil_glue,width(fil_glue),0);
- dotest(fil_glue,type(fil_glue),glue_spec_node);
- dotest(fil_glue,vlink(fil_glue),null);
- dotest(fil_glue,stretch(fil_glue),unity);
- dotest(fil_glue,stretch_order(fil_glue),fil);
- dotest(fil_glue,shrink(fil_glue),0);
- dotest(fil_glue,shrink_order(fil_glue),normal);
-
- dotest(fill_glue,width(fill_glue),0);
- dotest(fill_glue,type(fill_glue),glue_spec_node);
- dotest(fill_glue,vlink(fill_glue),null);
- dotest(fill_glue,stretch(fill_glue),unity);
- dotest(fill_glue,stretch_order(fill_glue),fill);
- dotest(fill_glue,shrink(fill_glue),0);
- dotest(fill_glue,shrink_order(fill_glue),normal);
-
- dotest(ss_glue,width(ss_glue),0);
- dotest(ss_glue,type(ss_glue),glue_spec_node);
- dotest(ss_glue,vlink(ss_glue),null);
- dotest(ss_glue,stretch(ss_glue),unity);
- dotest(ss_glue,stretch_order(ss_glue),fil);
- dotest(ss_glue,shrink(ss_glue),unity);
- dotest(ss_glue,shrink_order(ss_glue),fil);
-
- dotest(fil_neg_glue,width(fil_neg_glue),0);
- dotest(fil_neg_glue,type(fil_neg_glue),glue_spec_node);
- dotest(fil_neg_glue,vlink(fil_neg_glue),null);
- dotest(fil_neg_glue,stretch(fil_neg_glue),-unity);
- dotest(fil_neg_glue,stretch_order(fil_neg_glue),fil);
- dotest(fil_neg_glue,shrink(fil_neg_glue),0);
- dotest(fil_neg_glue,shrink_order(fil_neg_glue),normal);
+void check_static_node_mem(void)
+{
+ dotest(zero_glue, width(zero_glue), 0);
+ dotest(zero_glue, type(zero_glue), glue_spec_node);
+ dotest(zero_glue, vlink(zero_glue), null);
+ dotest(zero_glue, stretch(zero_glue), 0);
+ dotest(zero_glue, stretch_order(zero_glue), normal);
+ dotest(zero_glue, shrink(zero_glue), 0);
+ dotest(zero_glue, shrink_order(zero_glue), normal);
+
+ dotest(sfi_glue, width(sfi_glue), 0);
+ dotest(sfi_glue, type(sfi_glue), glue_spec_node);
+ dotest(sfi_glue, vlink(sfi_glue), null);
+ dotest(sfi_glue, stretch(sfi_glue), 0);
+ dotest(sfi_glue, stretch_order(sfi_glue), sfi);
+ dotest(sfi_glue, shrink(sfi_glue), 0);
+ dotest(sfi_glue, shrink_order(sfi_glue), normal);
+
+ dotest(fil_glue, width(fil_glue), 0);
+ dotest(fil_glue, type(fil_glue), glue_spec_node);
+ dotest(fil_glue, vlink(fil_glue), null);
+ dotest(fil_glue, stretch(fil_glue), unity);
+ dotest(fil_glue, stretch_order(fil_glue), fil);
+ dotest(fil_glue, shrink(fil_glue), 0);
+ dotest(fil_glue, shrink_order(fil_glue), normal);
+
+ dotest(fill_glue, width(fill_glue), 0);
+ dotest(fill_glue, type(fill_glue), glue_spec_node);
+ dotest(fill_glue, vlink(fill_glue), null);
+ dotest(fill_glue, stretch(fill_glue), unity);
+ dotest(fill_glue, stretch_order(fill_glue), fill);
+ dotest(fill_glue, shrink(fill_glue), 0);
+ dotest(fill_glue, shrink_order(fill_glue), normal);
+
+ dotest(ss_glue, width(ss_glue), 0);
+ dotest(ss_glue, type(ss_glue), glue_spec_node);
+ dotest(ss_glue, vlink(ss_glue), null);
+ dotest(ss_glue, stretch(ss_glue), unity);
+ dotest(ss_glue, stretch_order(ss_glue), fil);
+ dotest(ss_glue, shrink(ss_glue), unity);
+ dotest(ss_glue, shrink_order(ss_glue), fil);
+
+ dotest(fil_neg_glue, width(fil_neg_glue), 0);
+ dotest(fil_neg_glue, type(fil_neg_glue), glue_spec_node);
+ dotest(fil_neg_glue, vlink(fil_neg_glue), null);
+ dotest(fil_neg_glue, stretch(fil_neg_glue), -unity);
+ dotest(fil_neg_glue, stretch_order(fil_neg_glue), fil);
+ dotest(fil_neg_glue, shrink(fil_neg_glue), 0);
+ dotest(fil_neg_glue, shrink_order(fil_neg_glue), normal);
}
-void
-check_node_mem(void ) {
- int i;
- check_static_node_mem();
-
- for (i=(prealloc+1);i<var_mem_max;i++) {
- if (varmem_sizes[i]>0) {
- check_node(i);
+void check_node_mem(void)
+{
+ int i;
+ check_static_node_mem();
+
+ for (i = (prealloc + 1); i < var_mem_max; i++) {
+ if (varmem_sizes[i] > 0) {
+ check_node(i);
+ }
}
- }
- test_count++;
+ test_count++;
}
-void
-fix_node_list (halfword head) {
- halfword p,q;
- if (head==null)
- return;
- p = head;
- q = vlink(p);
- while (q!=null) {
- alink(q) = p;
- p = q;
+void fix_node_list(halfword head)
+{
+ halfword p, q;
+ if (head == null)
+ return;
+ p = head;
q = vlink(p);
- }
+ while (q != null) {
+ alink(q) = p;
+ p = q;
+ q = vlink(p);
+ }
}
-halfword
-get_node (integer s) {
- register halfword r;
+halfword get_node(integer s)
+{
+ register halfword r;
- /*check_static_node_mem();*/
- assert(s<MAX_CHAIN_SIZE);
+ /*check_static_node_mem(); */
+ assert(s < MAX_CHAIN_SIZE);
- r = free_chain[s];
- if (r!=null) {
- free_chain[s] = vlink(r);
+ r = free_chain[s];
+ if (r != null) {
+ free_chain[s] = vlink(r);
#ifndef NDEBUG
- varmem_sizes[r] = s;
+ varmem_sizes[r] = s;
#endif
- vlink(r)=null;
- var_used += s; /* maintain usage statistics */
- return r;
- }
- /* this is the end of the 'inner loop' */
- return slow_get_node(s);
+ vlink(r) = null;
+ var_used += s; /* maintain usage statistics */
+ return r;
+ }
+ /* this is the end of the 'inner loop' */
+ return slow_get_node(s);
}
-void print_free_chain (int c) {
- halfword p = free_chain[c];
- fprintf(stdout, "\nfree chain[%d] =\n ",c);
- while (p!=null) {
- fprintf(stdout, "%d,",p);
- p = vlink(p);
- }
- fprintf(stdout, "null;\n");
+void print_free_chain(int c)
+{
+ halfword p = free_chain[c];
+ fprintf(stdout, "\nfree chain[%d] =\n ", c);
+ while (p != null) {
+ fprintf(stdout, "%d,", (int)p);
+ p = vlink(p);
+ }
+ fprintf(stdout, "null;\n");
}
-void
-free_node (halfword p, integer s) {
-
- if (p<=prealloc) {
- fprintf(stdout,"node %d (type %d) should not be freed!\n",(int)p, type(p));
- return;
- }
+void free_node(halfword p, integer s)
+{
+ if (p <= prealloc) {
+ fprintf(stdout, "node %d (type %d) should not be freed!\n", (int) p,
+ type(p));
+ return;
+ }
#ifndef NDEBUG
- varmem_sizes[p] = 0;
+ varmem_sizes[p] = 0;
#endif
- if (s<MAX_CHAIN_SIZE) {
- vlink(p) = free_chain[s];
- free_chain[s] = p;
- } else {
- /* todo ? it is perhaps possible to merge this node with an existing rover */
- node_size(p)=s;
- vlink(p) = rover;
- while (vlink(rover)!=vlink(p)){
- rover=vlink(rover);
+ if (s < MAX_CHAIN_SIZE) {
+ vlink(p) = free_chain[s];
+ free_chain[s] = p;
+ } else {
+ /* todo ? it is perhaps possible to merge this node with an existing rover */
+ node_size(p) = s;
+ vlink(p) = rover;
+ while (vlink(rover) != vlink(p)) {
+ rover = vlink(rover);
+ }
+ vlink(rover) = p;
}
- vlink(rover) = p;
- }
- var_used -= s; /* maintain statistics */
+ var_used -= s; /* maintain statistics */
}
-void
-free_node_chain (halfword q, integer s) {
- register halfword p = q;
- while (vlink(p)!=null) {
+void free_node_chain(halfword q, integer s)
+{
+ register halfword p = q;
+ while (vlink(p) != null) {
#ifndef NDEBUG
- varmem_sizes[p] = 0;
+ varmem_sizes[p] = 0;
#endif
+ var_used -= s;
+ p = vlink(p);
+ }
var_used -= s;
- p = vlink(p);
- }
- var_used -= s;
#ifndef NDEBUG
- varmem_sizes[p] = 0;
+ varmem_sizes[p] = 0;
#endif
- vlink(p) = free_chain[s];
- free_chain[s] = q;
+ vlink(p) = free_chain[s];
+ free_chain[s] = q;
}
-void
-init_node_mem (halfword prealloced, halfword t) {
- prealloc=prealloced;
- assert(whatsit_node_data[user_defined_node].id==user_defined_node);
- assert(node_data[passive_node].id==passive_node);
+void init_node_mem(halfword prealloced, halfword t)
+{
+ prealloc = prealloced;
+ assert(whatsit_node_data[user_defined_node].id == user_defined_node);
+ assert(node_data[passive_node].id == passive_node);
- varmem = (memory_word *)realloc((void *)varmem,sizeof(memory_word)*t);
- if (varmem==NULL) {
- overflow_string("node memory size",var_mem_max);
- }
- memset ((void *)(varmem),0,t*sizeof(memory_word));
+ varmem = (memory_word *) realloc((void *) varmem, sizeof(memory_word) * t);
+ if (varmem == NULL) {
+ overflow_string("node memory size", var_mem_max);
+ }
+ memset((void *) (varmem), 0, t * sizeof(memory_word));
#ifndef NDEBUG
- varmem_sizes = (char *)realloc(varmem_sizes,sizeof(char)*t);
- if (varmem_sizes==NULL) {
- overflow_string("node memory size",var_mem_max);
- }
- memset ((void *)varmem_sizes,0,sizeof(char)*t);
+ varmem_sizes = (char *) realloc(varmem_sizes, sizeof(char) * t);
+ if (varmem_sizes == NULL) {
+ overflow_string("node memory size", var_mem_max);
+ }
+ memset((void *) varmem_sizes, 0, sizeof(char) * t);
#endif
- var_mem_max=t;
- rover = prealloced+1; vlink(rover) = rover;
- node_size(rover)=(t-rover);
- var_used = 0;
+ var_mem_max = t;
+ rover = prealloced + 1;
+ vlink(rover) = rover;
+ node_size(rover) = (t - rover);
+ var_used = 0;
}
-void
-dump_node_mem (void) {
- dump_int(var_mem_max);
- dump_int(rover);
- dump_things(varmem[0],var_mem_max);
+void dump_node_mem(void)
+{
+ dump_int(var_mem_max);
+ dump_int(rover);
+ dump_things(varmem[0], var_mem_max);
#ifndef NDEBUG
- dump_things(varmem_sizes[0],var_mem_max);
+ dump_things(varmem_sizes[0], var_mem_max);
#endif
- dump_things(free_chain[0],MAX_CHAIN_SIZE);
- dump_int(var_used);
- dump_int(prealloc);
+ dump_things(free_chain[0], MAX_CHAIN_SIZE);
+ dump_int(var_used);
+ dump_int(prealloc);
}
/* it makes sense to enlarge the varmem array immediately */
-void
-undump_node_mem (void) {
- int x;
- undump_int(x);
- undump_int(rover);
- var_mem_max = (x<100000 ? 100000 : x);
- varmem = xmallocarray (memory_word, var_mem_max);
- /*memset ((void *)varmem,0,x*sizeof(memory_word));*/
- undump_things(varmem[0],x);
+void undump_node_mem(void)
+{
+ int x;
+ undump_int(x);
+ undump_int(rover);
+ var_mem_max = (x < 100000 ? 100000 : x);
+ varmem = xmallocarray(memory_word, var_mem_max);
+ /*memset ((void *)varmem,0,x*sizeof(memory_word)); */
+ undump_things(varmem[0], x);
#ifndef NDEBUG
- varmem_sizes = xmallocarray (char, var_mem_max);
- memset ((void *)varmem_sizes,0,var_mem_max*sizeof(char));
- undump_things(varmem_sizes[0],x);
+ varmem_sizes = xmallocarray(char, var_mem_max);
+ memset((void *) varmem_sizes, 0, var_mem_max * sizeof(char));
+ undump_things(varmem_sizes[0], x);
#endif
- undump_things(free_chain[0],MAX_CHAIN_SIZE);
- undump_int(var_used);
- undump_int(prealloc);
- if (var_mem_max>x) {
- /* todo ? it is perhaps possible to merge the new node with an existing rover */
- vlink (x) = rover;
- node_size(x) = (var_mem_max-x);
- while(vlink(rover)!=vlink(x)) {rover=vlink(rover);}
- vlink (rover) = x;
- }
+ undump_things(free_chain[0], MAX_CHAIN_SIZE);
+ undump_int(var_used);
+ undump_int(prealloc);
+ if (var_mem_max > x) {
+ /* todo ? it is perhaps possible to merge the new node with an existing rover */
+ vlink(x) = rover;
+ node_size(x) = (var_mem_max - x);
+ while (vlink(rover) != vlink(x)) {
+ rover = vlink(rover);
+ }
+ vlink(rover) = x;
+ }
}
#if 0
-void test_rovers (char *s) {
- int q = rover;
- int r = q;
- fprintf(stdout,"%s: {rover=%d,size=%d,link=%d}",s,r,node_size(r),vlink(r));
- while (vlink(r)!=q) {
- r = vlink(r);
- fprintf(stdout,",{rover=%d,size=%d,link=%d}",r,node_size(r),vlink(r));
- }
- fprintf(stdout,"\n");
+void test_rovers(char *s)
+{
+ int q = rover;
+ int r = q;
+ fprintf(stdout, "%s: {rover=%d,size=%d,link=%d}", s, r, node_size(r),
+ vlink(r));
+ while (vlink(r) != q) {
+ r = vlink(r);
+ fprintf(stdout, ",{rover=%d,size=%d,link=%d}", r, node_size(r),
+ vlink(r));
+ }
+ fprintf(stdout, "\n");
}
#else
-#define test_rovers(a)
+# define test_rovers(a)
#endif
-halfword
-slow_get_node (integer s) {
- register int t;
-
- RETRY:
- t = node_size(rover);
- assert(vlink(rover)<var_mem_max);
- assert(vlink(rover)!=0);
- test_rovers("entry");
- if (t>s) {
- register halfword r;
- /* allocating from the bottom helps decrease page faults */
- r = rover;
- rover += s;
- vlink(rover)=vlink(r);
- node_size(rover) = node_size(r) - s;
- if (vlink(rover)!=r) { /* list is longer than one */
- halfword q = r;
- while (vlink(q)!=r) { q=vlink(q);}
- vlink(q) += s;
- } else {
- vlink(rover) += s;
- }
- test_rovers("taken");
- assert(vlink(rover)<var_mem_max);
+halfword slow_get_node(integer s)
+{
+ register int t;
+
+ RETRY:
+ t = node_size(rover);
+ assert(vlink(rover) < var_mem_max);
+ assert(vlink(rover) != 0);
+ test_rovers("entry");
+ if (t > s) {
+ register halfword r;
+ /* allocating from the bottom helps decrease page faults */
+ r = rover;
+ rover += s;
+ vlink(rover) = vlink(r);
+ node_size(rover) = node_size(r) - s;
+ if (vlink(rover) != r) { /* list is longer than one */
+ halfword q = r;
+ while (vlink(q) != r) {
+ q = vlink(q);
+ }
+ vlink(q) += s;
+ } else {
+ vlink(rover) += s;
+ }
+ test_rovers("taken");
+ assert(vlink(rover) < var_mem_max);
#ifndef NDEBUG
- varmem_sizes[r]=(s>127 ? 127 : s);
+ varmem_sizes[r] = (s > 127 ? 127 : s);
#endif
- vlink(r)=null;
- var_used += s; /* maintain usage statistics */
- return r; /* this is the only exit */
- } else {
- int x;
- /* attempt to keep the free list small */
- if (vlink(rover)!=rover) {
- if (t<MAX_CHAIN_SIZE) {
- halfword l = vlink(rover);
- vlink(rover) = free_chain[t];
- free_chain[t] = rover;
- rover = l;
- while (vlink(l)!=free_chain[t]) { l=vlink(l); }
- vlink(l) = rover;
- test_rovers("outtake");
- goto RETRY;
- } else {
- halfword l = rover;
- while (vlink(rover)!=l) {
- if (node_size(rover)>s) {
- goto RETRY;
- }
- rover=vlink(rover);
- }
- }
- }
- /* if we are still here, it was apparently impossible to get a match */
- x = (var_mem_max>>2)+s;
- varmem = (memory_word *)realloc((void *)varmem,sizeof(memory_word)*(var_mem_max+x));
- if (varmem==NULL) {
- overflow_string("node memory size",var_mem_max);
- }
- memset ((void *)(varmem+var_mem_max),0,x*sizeof(memory_word));
-
+ vlink(r) = null;
+ var_used += s; /* maintain usage statistics */
+ return r; /* this is the only exit */
+ } else {
+ int x;
+ /* attempt to keep the free list small */
+ if (vlink(rover) != rover) {
+ if (t < MAX_CHAIN_SIZE) {
+ halfword l = vlink(rover);
+ vlink(rover) = free_chain[t];
+ free_chain[t] = rover;
+ rover = l;
+ while (vlink(l) != free_chain[t]) {
+ l = vlink(l);
+ }
+ vlink(l) = rover;
+ test_rovers("outtake");
+ goto RETRY;
+ } else {
+ halfword l = rover;
+ while (vlink(rover) != l) {
+ if (node_size(rover) > s) {
+ goto RETRY;
+ }
+ rover = vlink(rover);
+ }
+ }
+ }
+ /* if we are still here, it was apparently impossible to get a match */
+ x = (var_mem_max >> 2) + s;
+ varmem =
+ (memory_word *) realloc((void *) varmem,
+ sizeof(memory_word) * (var_mem_max + x));
+ if (varmem == NULL) {
+ overflow_string("node memory size", var_mem_max);
+ }
+ memset((void *) (varmem + var_mem_max), 0, x * sizeof(memory_word));
+
#ifndef NDEBUG
- varmem_sizes = (char *)realloc(varmem_sizes,sizeof(char)*(var_mem_max+x));
- if (varmem_sizes==NULL) {
- overflow_string("node memory size",var_mem_max);
- }
- memset ((void *)(varmem_sizes+var_mem_max),0,x*sizeof(char));
+ varmem_sizes =
+ (char *) realloc(varmem_sizes, sizeof(char) * (var_mem_max + x));
+ if (varmem_sizes == NULL) {
+ overflow_string("node memory size", var_mem_max);
+ }
+ memset((void *) (varmem_sizes + var_mem_max), 0, x * sizeof(char));
#endif
- /* todo ? it is perhaps possible to merge the new memory with an existing rover */
- vlink(var_mem_max) = rover;
- node_size(var_mem_max) = x;
- while(vlink(rover)!=vlink(var_mem_max)) {rover=vlink(rover);}
- vlink (rover) = var_mem_max;
- rover = var_mem_max;
- test_rovers("realloc");
- var_mem_max += x;
- goto RETRY;
- }
+ /* todo ? it is perhaps possible to merge the new memory with an existing rover */
+ vlink(var_mem_max) = rover;
+ node_size(var_mem_max) = x;
+ while (vlink(rover) != vlink(var_mem_max)) {
+ rover = vlink(rover);
+ }
+ vlink(rover) = var_mem_max;
+ rover = var_mem_max;
+ test_rovers("realloc");
+ var_mem_max += x;
+ goto RETRY;
+ }
}
-char *
-sprint_node_mem_usage (void) {
- int i,b;
-
- char *s, *ss;
- char msg[256];
- int node_counts[last_normal_node+last_whatsit_node+2] = {0};
-
- for (i=(var_mem_max-1);i>prealloc;i--) {
- if (varmem_sizes[i]>0) {
- if (type(i)>last_normal_node+last_whatsit_node) {
- node_counts[last_normal_node+last_whatsit_node+1] ++;
- } else if (type(i)==whatsit_node){
- node_counts[(subtype(i)+last_normal_node+1)] ++;
- } else {
- node_counts[type(i)] ++;
- }
+char *sprint_node_mem_usage(void)
+{
+ int i, b;
+
+ char *s, *ss;
+ char msg[256];
+ int node_counts[last_normal_node + last_whatsit_node + 2] = { 0 };
+
+ for (i = (var_mem_max - 1); i > prealloc; i--) {
+ if (varmem_sizes[i] > 0) {
+ if (type(i) > last_normal_node + last_whatsit_node) {
+ node_counts[last_normal_node + last_whatsit_node + 1]++;
+ } else if (type(i) == whatsit_node) {
+ node_counts[(subtype(i) + last_normal_node + 1)]++;
+ } else {
+ node_counts[type(i)]++;
+ }
+ }
}
- }
- s = strdup("");
- b=0;
- for (i=0;i<last_normal_node+last_whatsit_node+2;i++) {
- if (node_counts[i]>0) {
- int j = (i>(last_normal_node+1) ? (i-last_normal_node-1) : 0);
- snprintf(msg,255,"%s%d %s",(b ? ", " : ""),
- (int)node_counts[i],
- get_node_name((i>last_normal_node ? whatsit_node : i),j));
- ss = concat(s,msg);
- free (s);
- s = ss;
- b=1;
+ s = strdup("");
+ b = 0;
+ for (i = 0; i < last_normal_node + last_whatsit_node + 2; i++) {
+ if (node_counts[i] > 0) {
+ int j =
+ (i > (last_normal_node + 1) ? (i - last_normal_node - 1) : 0);
+ snprintf(msg, 255, "%s%d %s", (b ? ", " : ""), (int) node_counts[i],
+ get_node_name((i > last_normal_node ? whatsit_node : i),
+ j));
+ ss = concat(s, msg);
+ free(s);
+ s = ss;
+ b = 1;
+ }
}
- }
- return s;
+ return s;
}
-halfword
-list_node_mem_usage (void) {
- halfword i, j;
- halfword p = null,q = null;
- char *saved_varmem_sizes = xmallocarray (char, var_mem_max);
- memcpy (saved_varmem_sizes,varmem_sizes,var_mem_max);
- for (i=prealloc+1;i<(var_mem_max-1);i++) {
- if (saved_varmem_sizes[i]>0) {
- j = copy_node(i);
- if (p==null) {
- q = j;
- } else {
- vlink(p)=j;
- }
- p = j;
+halfword list_node_mem_usage(void)
+{
+ halfword i, j;
+ halfword p = null, q = null;
+ char *saved_varmem_sizes = xmallocarray(char, var_mem_max);
+ memcpy(saved_varmem_sizes, varmem_sizes, var_mem_max);
+ for (i = prealloc + 1; i < (var_mem_max - 1); i++) {
+ if (saved_varmem_sizes[i] > 0) {
+ j = copy_node(i);
+ if (p == null) {
+ q = j;
+ } else {
+ vlink(p) = j;
+ }
+ p = j;
+ }
}
- }
- free(saved_varmem_sizes);
- return q;
+ free(saved_varmem_sizes);
+ return q;
}
-void
-print_node_mem_stats (int num, int online) {
- int i,b;
- halfword j;
- char msg[256];
- char *s;
- integer free_chain_counts[MAX_CHAIN_SIZE] = {0};
-
- snprintf(msg,255,"node memory in use: %d words out of %d", (int)(var_used+prealloc), (int)var_mem_max);
- tprint_nl(msg);
- tprint_nl("rapidly available: ");
- b=0;
- for (i=1;i<MAX_CHAIN_SIZE;i++) {
- for(j = free_chain[i];j!=null;j = vlink(j))
- free_chain_counts[i] ++;
- if (free_chain_counts[i]>0) {
- snprintf(msg,255,"%s%d:%d",(b ? ", " : ""),i, (int)free_chain_counts[i]);
- tprint(msg);
- b=1;
+void print_node_mem_stats(int num, int online)
+{
+ int i, b;
+ halfword j;
+ char msg[256];
+ char *s;
+ integer free_chain_counts[MAX_CHAIN_SIZE] = { 0 };
+
+ snprintf(msg, 255, "node memory in use: %d words out of %d",
+ (int) (var_used + prealloc), (int) var_mem_max);
+ tprint_nl(msg);
+ tprint_nl("rapidly available: ");
+ b = 0;
+ for (i = 1; i < MAX_CHAIN_SIZE; i++) {
+ for (j = free_chain[i]; j != null; j = vlink(j))
+ free_chain_counts[i]++;
+ if (free_chain_counts[i] > 0) {
+ snprintf(msg, 255, "%s%d:%d", (b ? ", " : ""), i,
+ (int) free_chain_counts[i]);
+ tprint(msg);
+ b = 1;
+ }
}
- }
- tprint(" nodes");
- s = sprint_node_mem_usage();
- tprint_nl("current usage: ");
- tprint(s); free(s);
- tprint(" nodes");
- print_nlp(); /* newline, if needed */
+ tprint(" nodes");
+ s = sprint_node_mem_usage();
+ tprint_nl("current usage: ");
+ tprint(s);
+ free(s);
+ tprint(" nodes");
+ print_nlp(); /* newline, if needed */
}
/* this belongs in the web but i couldn't find the correct syntactic place */
-halfword
-new_span_node(halfword n, int s, scaled w) {
- halfword p=new_node(span_node,0);
- span_link(p)=n;
- span_span(p)=s;
- width(p)=w;
- return p;
+halfword new_span_node(halfword n, int s, scaled w)
+{
+ halfword p = new_node(span_node, 0);
+ span_link(p) = n;
+ span_span(p) = s;
+ width(p) = w;
+ return p;
}
-halfword
-string_to_pseudo(integer l,integer pool_ptr, integer nl) {
- halfword i, r, q = null;
- four_quarters w;
- int sz;
- halfword h = new_node(pseudo_file_node,0);
- while (l<pool_ptr) {
- int m = l;
- while ((l<pool_ptr)&&(str_pool[l]!=nl)) l++;
- sz = (l-m+7) / 4;
- if (sz==1)
- sz=2;
- r = new_node(pseudo_line_node,sz);
- i = r;
- while (--sz>1) {
- w.b0=str_pool[m++];
- w.b1=str_pool[m++];
- w.b2=str_pool[m++];
- w.b3=str_pool[m++];
- varmem[++i].qqqq=w;
- }
- w.b0 = (l>m ? str_pool[m++] : ' ');
- w.b1 = (l>m ? str_pool[m++] : ' ');
- w.b2 = (l>m ? str_pool[m++] : ' ');
- w.b3 = (l>m ? str_pool[m] : ' ');
- varmem[++i].qqqq=w;
- if (pseudo_lines(h)==null) {
- pseudo_lines(h) = r;
- q = r;
- } else {
- couple_nodes(q,r);
+halfword string_to_pseudo(integer l, integer pool_ptr, integer nl)
+{
+ halfword i, r, q = null;
+ four_quarters w;
+ int sz;
+ halfword h = new_node(pseudo_file_node, 0);
+ while (l < pool_ptr) {
+ int m = l;
+ while ((l < pool_ptr) && (str_pool[l] != nl))
+ l++;
+ sz = (l - m + 7) / 4;
+ if (sz == 1)
+ sz = 2;
+ r = new_node(pseudo_line_node, sz);
+ i = r;
+ while (--sz > 1) {
+ w.b0 = str_pool[m++];
+ w.b1 = str_pool[m++];
+ w.b2 = str_pool[m++];
+ w.b3 = str_pool[m++];
+ varmem[++i].qqqq = w;
+ }
+ w.b0 = (l > m ? str_pool[m++] : ' ');
+ w.b1 = (l > m ? str_pool[m++] : ' ');
+ w.b2 = (l > m ? str_pool[m++] : ' ');
+ w.b3 = (l > m ? str_pool[m] : ' ');
+ varmem[++i].qqqq = w;
+ if (pseudo_lines(h) == null) {
+ pseudo_lines(h) = r;
+ q = r;
+ } else {
+ couple_nodes(q, r);
+ }
+ q = vlink(q);
+ if (str_pool[l] == nl)
+ l++;
}
- q = vlink(q);
- if (str_pool[l]==nl) l++;
- }
- return h;
+ return h;
}
/* attribute stuff */
-static halfword
-new_attribute_node (unsigned int i, int v) {
- register halfword r = get_node(attribute_node_size);
- type(r) = attribute_node;
- attribute_id(r)= i;
- attribute_value(r)= v;
- return r;
+static halfword new_attribute_node(unsigned int i, int v)
+{
+ register halfword r = get_node(attribute_node_size);
+ type(r) = attribute_node;
+ attribute_id(r) = i;
+ attribute_value(r) = v;
+ return r;
}
-halfword
-copy_attribute_list(halfword n) {
- halfword q = get_node(attribute_node_size);
- register halfword p = q;
- type(p) = attribute_list_node;
- attr_list_ref(p)=0;
- n = vlink(n);
- while (n!=null) {
- register halfword r = get_node(attribute_node_size);
- /* the link will be fixed automatically in the next loop */
- (void)memcpy((void *)(varmem+r),(void *)(varmem+n),(sizeof(memory_word)*attribute_node_size));
- vlink(p) = r;
- p = r;
+halfword copy_attribute_list(halfword n)
+{
+ halfword q = get_node(attribute_node_size);
+ register halfword p = q;
+ type(p) = attribute_list_node;
+ attr_list_ref(p) = 0;
n = vlink(n);
- }
- return q;
+ while (n != null) {
+ register halfword r = get_node(attribute_node_size);
+ /* the link will be fixed automatically in the next loop */
+ (void) memcpy((void *) (varmem + r), (void *) (varmem + n),
+ (sizeof(memory_word) * attribute_node_size));
+ vlink(p) = r;
+ p = r;
+ n = vlink(n);
+ }
+ return q;
}
-void
-update_attribute_cache(void) {
- halfword p;
- register int i;
- attr_list_cache=get_node(attribute_node_size);
- type(attr_list_cache) = attribute_list_node;
- attr_list_ref(attr_list_cache)=0;
- p=attr_list_cache;
- for (i=0;i<=max_used_attr;i++) {
- register int v = get_attribute(i);
- if (v>=0) {
- register halfword r = new_attribute_node(i,v);
- vlink(p)=r;
- p=r;
- }
- }
- if (vlink(attr_list_cache)==null) {
- free_node(attr_list_cache,attribute_node_size);
- attr_list_cache = null;
- }
- return;
+void update_attribute_cache(void)
+{
+ halfword p;
+ register int i;
+ attr_list_cache = get_node(attribute_node_size);
+ type(attr_list_cache) = attribute_list_node;
+ attr_list_ref(attr_list_cache) = 0;
+ p = attr_list_cache;
+ for (i = 0; i <= max_used_attr; i++) {
+ register int v = get_attribute(i);
+ if (v >= 0) {
+ register halfword r = new_attribute_node(i, v);
+ vlink(p) = r;
+ p = r;
+ }
+ }
+ if (vlink(attr_list_cache) == null) {
+ free_node(attr_list_cache, attribute_node_size);
+ attr_list_cache = null;
+ }
+ return;
}
-void
-build_attribute_list(halfword b) {
- if (max_used_attr>=0) {
- if (attr_list_cache==cache_disabled) {
- update_attribute_cache();
- if (attr_list_cache == null)
- return;
+void build_attribute_list(halfword b)
+{
+ if (max_used_attr >= 0) {
+ if (attr_list_cache == cache_disabled) {
+ update_attribute_cache();
+ if (attr_list_cache == null)
+ return;
+ }
+ attr_list_ref(attr_list_cache)++;
+ node_attr(b) = attr_list_cache;
}
- attr_list_ref(attr_list_cache)++;
- node_attr(b)=attr_list_cache;
- }
}
-void
-delete_attribute_ref(halfword b) {
- if (b!=null){
- assert(type(b)==attribute_list_node);
- attr_list_ref(b)--;
- if (attr_list_ref(b)==0) {
- if (b==attr_list_cache)
- attr_list_cache=cache_disabled;
- free_node_chain(b,attribute_node_size);
+void delete_attribute_ref(halfword b)
+{
+ if (b != null) {
+ assert(type(b) == attribute_list_node);
+ attr_list_ref(b)--;
+ if (attr_list_ref(b) == 0) {
+ if (b == attr_list_cache)
+ attr_list_cache = cache_disabled;
+ free_node_chain(b, attribute_node_size);
+ }
+ /* maintain sanity */
+ if (attr_list_ref(b) < 0)
+ attr_list_ref(b) = 0;
}
- /* maintain sanity */
- if (attr_list_ref(b)<0)
- attr_list_ref(b)=0;
- }
}
/* |p| is an attr list head, or zero */
-halfword
-do_set_attribute (halfword p, int i, int val) {
- register halfword q;
- register int j = 0;
- if (p==null) { /* add a new head & node */
- q = get_node(attribute_node_size);
- type(q) = attribute_list_node;
- attr_list_ref(q)=1;
- p = new_attribute_node(i,val);
- vlink(q)=p;
+halfword do_set_attribute(halfword p, int i, int val)
+{
+ register halfword q;
+ register int j = 0;
+ if (p == null) { /* add a new head & node */
+ q = get_node(attribute_node_size);
+ type(q) = attribute_list_node;
+ attr_list_ref(q) = 1;
+ p = new_attribute_node(i, val);
+ vlink(q) = p;
+ return q;
+ }
+
+ assert(vlink(p) != null);
+ while (vlink(p) != null) {
+ int t = attribute_id(vlink(p));
+ if (t == i && attribute_value(vlink(p)) == val)
+ return q; /* no need to do anything */
+ if (t >= i)
+ break;
+ j++;
+ p = vlink(p);
+ }
+
+ p = q;
+ while (j-- > 0)
+ p = vlink(p);
+ if (attribute_id(vlink(p)) == i) {
+ attribute_value(vlink(p)) = val;
+ } else { /* add a new node */
+ halfword r = new_attribute_node(i, val);
+ vlink(r) = vlink(p);
+ vlink(p) = r;
+ }
return q;
- }
-
- assert(vlink(p)!=null);
- while (vlink(p)!=null) {
- int t = attribute_id(vlink(p));
- if (t==i && attribute_value(vlink(p))==val)
- return q; /* no need to do anything */
- if (t>=i)
- break;
- j++;
- p = vlink(p);
- }
-
- p = q;
- while (j-->0) p = vlink(p);
- if (attribute_id(vlink(p))==i) {
- attribute_value(vlink(p))=val;
- } else { /* add a new node */
- halfword r = new_attribute_node(i,val);
- vlink(r)=vlink(p);
- vlink(p)=r;
- }
- return q;
}
-void
-set_attribute (halfword n, int i, int val) {
- register halfword p;
- register int j = 0;
- if (!nodetype_has_attributes(type(n)))
- return;
- p = node_attr(n);
- if (p==null) { /* add a new head & node */
- p = get_node(attribute_node_size);
- type(p) = attribute_list_node;
- attr_list_ref(p)=1;
- node_attr(n) = p ;
- p = new_attribute_node(i,val);
- vlink(node_attr(n))=p;
- return;
- }
- assert(vlink(p)!=null);
- while (vlink(p)!=null) {
- int t = attribute_id(vlink(p));
- if (t==i && attribute_value(vlink(p))==val)
- return;
- if (t>=i)
- break;
- j++;
- p = vlink(p);
- }
- p = node_attr(n);
- if (attr_list_ref(p)!=1) {
- if (attr_list_ref(p)>1) {
- p = copy_attribute_list (p);
- delete_attribute_ref(node_attr(n));
- node_attr(n) = p;
- } else {
- fprintf(stdout,"Node %d has an attribute list that is free already\n",(int)n);
+void set_attribute(halfword n, int i, int val)
+{
+ register halfword p;
+ register int j = 0;
+ if (!nodetype_has_attributes(type(n)))
+ return;
+ p = node_attr(n);
+ if (p == null) { /* add a new head & node */
+ p = get_node(attribute_node_size);
+ type(p) = attribute_list_node;
+ attr_list_ref(p) = 1;
+ node_attr(n) = p;
+ p = new_attribute_node(i, val);
+ vlink(node_attr(n)) = p;
+ return;
+ }
+ assert(vlink(p) != null);
+ while (vlink(p) != null) {
+ int t = attribute_id(vlink(p));
+ if (t == i && attribute_value(vlink(p)) == val)
+ return;
+ if (t >= i)
+ break;
+ j++;
+ p = vlink(p);
+ }
+ p = node_attr(n);
+ if (attr_list_ref(p) != 1) {
+ if (attr_list_ref(p) > 1) {
+ p = copy_attribute_list(p);
+ delete_attribute_ref(node_attr(n));
+ node_attr(n) = p;
+ } else {
+ fprintf(stdout,
+ "Node %d has an attribute list that is free already\n",
+ (int) n);
+ }
+ attr_list_ref(p) = 1;
+ }
+ while (j-- > 0)
+ p = vlink(p);
+
+ if (attribute_id(vlink(p)) == i) {
+ attribute_value(vlink(p)) = val;
+ } else { /* add a new node */
+ halfword r = new_attribute_node(i, val);
+ vlink(r) = vlink(p);
+ vlink(p) = r;
}
- attr_list_ref(p)=1;
- }
- while (j-->0) p = vlink(p);
-
- if (attribute_id(vlink(p))==i) {
- attribute_value(vlink(p))=val;
- } else { /* add a new node */
- halfword r = new_attribute_node(i,val);
- vlink(r)=vlink(p);
- vlink(p)=r;
- }
- return;
+ return;
}
-int
-unset_attribute (halfword n, int i, int val) {
- register halfword p;
- register int t;
- register int j = 0;
-
- if (!nodetype_has_attributes(type(n)))
- return null;
- p = node_attr(n);
- if (p==null)
- return -1;
- assert (vlink(p)!=null);
- while (vlink(p)!=null) {
- t = attribute_id(vlink(p));
- if (t>i)
- return -1;
- if (t==i)
- break;
- j++;
+int unset_attribute(halfword n, int i, int val)
+{
+ register halfword p;
+ register int t;
+ register int j = 0;
+
+ if (!nodetype_has_attributes(type(n)))
+ return null;
+ p = node_attr(n);
+ if (p == null)
+ return -1;
+ assert(vlink(p) != null);
+ while (vlink(p) != null) {
+ t = attribute_id(vlink(p));
+ if (t > i)
+ return -1;
+ if (t == i)
+ break;
+ j++;
+ p = vlink(p);
+ }
+ /* if we are still here, the attribute exists */
+ p = node_attr(n);
+ if (attr_list_ref(p) != 1) {
+ if (attr_list_ref(p) > 1) {
+ p = copy_attribute_list(p);
+ delete_attribute_ref(node_attr(n));
+ node_attr(n) = p;
+ } else {
+ fprintf(stdout,
+ "Node %d has an attribute list that is free already\n",
+ (int) n);
+ }
+ attr_list_ref(p) = 1;
+ }
p = vlink(p);
- }
- /* if we are still here, the attribute exists */
- p = node_attr(n);
- if (attr_list_ref(p)!=1) {
- if (attr_list_ref(p)>1) {
- p = copy_attribute_list (p);
- delete_attribute_ref(node_attr(n));
- node_attr(n) = p;
- } else {
- fprintf(stdout,"Node %d has an attribute list that is free already\n",(int)n);
+ while (j-- > 0)
+ p = vlink(p);
+ t = attribute_value(p);
+ if (val == -1 || t == val) {
+ attribute_value(p) = -1;
}
- attr_list_ref(p)=1;
- }
- p = vlink(p);
- while (j-->0) p = vlink(p);
- t = attribute_value(p);
- if (val==-1 || t==val) {
- attribute_value(p)=-1;
- }
- return t;
+ return t;
}
-int
-has_attribute (halfword n,int i, int val) {
- register halfword p;
- if (!nodetype_has_attributes(type(n)))
- return -1;
- p = node_attr(n);
- if (p==null || vlink(p)==null)
- return -1;
- p = vlink(p);
- while (p!=null) {
- if (attribute_id(p)==i) {
- int ret = attribute_value(p);
- if (val==-1 || val==ret)
- return ret;
- return -1;
- } else if (attribute_id(p)>i) {
- return -1;
+int has_attribute(halfword n, int i, int val)
+{
+ register halfword p;
+ if (!nodetype_has_attributes(type(n)))
+ return -1;
+ p = node_attr(n);
+ if (p == null || vlink(p) == null)
+ return -1;
+ p = vlink(p);
+ while (p != null) {
+ if (attribute_id(p) == i) {
+ int ret = attribute_value(p);
+ if (val == -1 || val == ret)
+ return ret;
+ return -1;
+ } else if (attribute_id(p) > i) {
+ return -1;
+ }
+ p = vlink(p);
}
- p=vlink(p);
- }
- return -1;
+ return -1;
}
-
diff --git a/Build/source/texk/web2c/luatexdir/tex/texpdf.c b/Build/source/texk/web2c/luatexdir/tex/texpdf.c
index fbb4c2b7e21..000742dd001 100644
--- a/Build/source/texk/web2c/luatexdir/tex/texpdf.c
+++ b/Build/source/texk/web2c/luatexdir/tex/texpdf.c
@@ -1,4 +1,4 @@
-/* $Id: texpdf.c 1013 2008-02-14 00:09:02Z oneiros $ */
+/* $Id: texpdf.c 1158 2008-04-14 08:13:06Z oneiros $ */
#include "luatex-api.h"
#include <ptexlib.h>
@@ -7,7 +7,7 @@
#define number_chars 1114112
#define string_offset 2097152
#define str_start_macro(a) str_start[(a) - string_offset]
-#define str_length(a) (str_start_macro((a)+1)-str_start_macro(a)) /* the number of characters in string number (a) */
+#define str_length(a) (str_start_macro((a)+1)-str_start_macro(a)) /* the number of characters in string number (a) */
#define is_hex_char isxdigit
@@ -17,20 +17,20 @@
/* make sure that there are at least |n| bytes free in PDF buffer */
-#define pdf_room(a) do { \
- if ((pdf_os_mode) && ((a) + pdf_ptr > pdf_buf_size)) \
- pdf_os_get_os_buf(a); \
- else if ((!pdf_os_mode) && ((a) > pdf_buf_size) ) \
- overflow("PDF output buffer", pdf_op_buf_size); \
- else if ((!pdf_os_mode) && ((a) + pdf_ptr > pdf_buf_size)) \
- pdf_flush(); \
+#define pdf_room(a) do { \
+ if ((pdf_os_mode) && ((a) + pdf_ptr > pdf_buf_size)) \
+ pdf_os_get_os_buf(a); \
+ else if ((!pdf_os_mode) && ((a) > pdf_buf_size) ) \
+ overflow(maketexstring("PDF output buffer"), pdf_op_buf_size); \
+ else if ((!pdf_os_mode) && ((a) + pdf_ptr > pdf_buf_size)) \
+ pdf_flush(); \
} while (0)
/* do the same as |pdf_quick_out| and flush the PDF buffer if necessary */
#define pdf_out(a) do { \
- pdf_room(1); \
- pdf_quick_out(a); \
+ pdf_room(1); \
+ pdf_quick_out(a); \
} while (0)
@@ -39,131 +39,139 @@
* (40) and right parenthesis (41)
*/
-#define pdf_print_escaped(c) \
- if ((c)<=32||(c)=='\\'||(c)=='('||(c)==')'||(c)>127) { \
- pdf_room(4); \
- pdf_quick_out('\\'); \
- pdf_quick_out('0' + (((c)>>6) & 0x3)); \
- pdf_quick_out('0' + (((c)>>3) & 0x7)); \
- pdf_quick_out('0' + ( (c) & 0x7)); \
- } else { \
- pdf_out((c)); \
- }
-
-void
-pdf_print_char(internal_font_number f, integer cc) {
- register int c;
- pdf_mark_char(f, cc);
- if (font_encodingbytes(f)==2) {
- register int chari;
- chari = char_index(f, cc);
- c = chari >> 8;
- pdf_print_escaped(c);
- c = chari & 0xFF;
- } else {
- if (cc>255) return;
- c = cc;
+#define pdf_print_escaped(c) \
+ if ((c)<=32||(c)=='\\'||(c)=='('||(c)==')'||(c)>127) { \
+ pdf_room(4); \
+ pdf_quick_out('\\'); \
+ pdf_quick_out('0' + (((c)>>6) & 0x3)); \
+ pdf_quick_out('0' + (((c)>>3) & 0x7)); \
+ pdf_quick_out('0' + ( (c) & 0x7)); \
+ } else { \
+ pdf_out((c)); \
}
- pdf_print_escaped(c);
+
+void pdf_print_char(internal_font_number f, integer cc)
+{
+ register int c;
+ pdf_mark_char(f, cc);
+ if (font_encodingbytes(f) == 2) {
+ register int chari;
+ chari = char_index(f, cc);
+ c = chari >> 8;
+ pdf_print_escaped(c);
+ c = chari & 0xFF;
+ } else {
+ if (cc > 255)
+ return;
+ c = cc;
+ }
+ pdf_print_escaped(c);
}
/* print out a string to PDF buffer */
-void
-pdf_print(str_number s) {
- if (s < number_chars) {
- assert(s<256);
- pdf_out(s);
- } else {
- register pool_pointer j = str_start_macro(s);
- while (j < str_start_macro(s + 1)) {
- pdf_out(str_pool[j++]);
- }
- }
+void pdf_print(str_number s)
+{
+ if (s < number_chars) {
+ assert(s < 256);
+ pdf_out(s);
+ } else {
+ register pool_pointer j = str_start_macro(s);
+ while (j < str_start_macro(s + 1)) {
+ pdf_out(str_pool[j++]);
+ }
+ }
}
/* print out a integer to PDF buffer */
-void
-pdf_print_int(integer n) {
- register integer k = 0; /* current digit; we assume that $|n|<10^{23}$ */
- if (n<0) {
- pdf_out('-');
- if (n<-0x7FFFFFFF) { /* need to negate |n| more carefully */
- register integer m;
- k++;
- m =-1-n; n=m / 10; m= (m % 10)+1;
- if (m<10) {
- dig[0]=m ;
- } else {
- dig[0]=0; incr(n);
- }
- } else {
- n = -n;
- }
- }
- do {
- dig[k++] = n % 10;
- n = n / 10;
- } while (n!=0);
- pdf_room(k);
- while (k-->0) {
- pdf_quick_out('0'+dig[k]);
- }
+void pdf_print_int(integer n)
+{
+ register integer k = 0; /* current digit; we assume that $|n|<10^{23}$ */
+ if (n < 0) {
+ pdf_out('-');
+ if (n < -0x7FFFFFFF) { /* need to negate |n| more carefully */
+ register integer m;
+ k++;
+ m = -1 - n;
+ n = m / 10;
+ m = (m % 10) + 1;
+ if (m < 10) {
+ dig[0] = m;
+ } else {
+ dig[0] = 0;
+ incr(n);
+ }
+ } else {
+ n = -n;
+ }
+ }
+ do {
+ dig[k++] = n % 10;
+ n = n / 10;
+ } while (n != 0);
+ pdf_room(k);
+ while (k-- > 0) {
+ pdf_quick_out('0' + dig[k]);
+ }
}
/* print $m/10^d$ as real */
-void
-pdf_print_real(integer m, integer d) {
- if (m < 0) {
- pdf_out('-');
- m = -m;
- };
- pdf_print_int(m / ten_pow[d]);
- m = m % ten_pow[d];
- if (m > 0) {
- pdf_out('.');
- d--;
- while (m < ten_pow[d]) {
- pdf_out('0');
- d--;
+void pdf_print_real(integer m, integer d)
+{
+ if (m < 0) {
+ pdf_out('-');
+ m = -m;
+ };
+ pdf_print_int(m / ten_pow[d]);
+ m = m % ten_pow[d];
+ if (m > 0) {
+ pdf_out('.');
+ d--;
+ while (m < ten_pow[d]) {
+ pdf_out('0');
+ d--;
+ }
+ while (m % 10 == 0)
+ m = m / 10;
+ pdf_print_int(m);
}
- while (m % 10 == 0)
- m = m / 10;
- pdf_print_int(m);
- }
}
/* print out |s| as string in PDF output */
-void
-pdf_print_str(str_number s) {
- pool_pointer i, j;
- i = str_start_macro(s);
- j = str_start_macro(s+1) - 1;
- if (i > j) {
- pdf_room(2);
- pdf_quick_out('(');
- pdf_quick_out(')');
- return;
- }
- /* the next is not really safe, the string could be "(a)xx(b)" */
- if ((str_pool[i] == '(') && (str_pool[j] == ')')) {
- pdf_print(s);
- return;
- }
- if ((str_pool[i] != '<') || (str_pool[j] != '>') || odd(str_length(s))) {
- pdf_out('('); pdf_print(s); pdf_out(')');
- return;
- }
- i++;
- j--;
- while (i < j) {
- if (!is_hex_char(str_pool[i++])) {
- pdf_out('('); pdf_print(s); pdf_out(')');
- return;
+void pdf_print_str(str_number s)
+{
+ pool_pointer i, j;
+ i = str_start_macro(s);
+ j = str_start_macro(s + 1) - 1;
+ if (i > j) {
+ pdf_room(2);
+ pdf_quick_out('(');
+ pdf_quick_out(')');
+ return;
+ }
+ /* the next is not really safe, the string could be "(a)xx(b)" */
+ if ((str_pool[i] == '(') && (str_pool[j] == ')')) {
+ pdf_print(s);
+ return;
+ }
+ if ((str_pool[i] != '<') || (str_pool[j] != '>') || odd(str_length(s))) {
+ pdf_out('(');
+ pdf_print(s);
+ pdf_out(')');
+ return;
+ }
+ i++;
+ j--;
+ while (i < j) {
+ if (!is_hex_char(str_pool[i++])) {
+ pdf_out('(');
+ pdf_print(s);
+ pdf_out(')');
+ return;
+ }
}
- }
- pdf_print(s); /* it was a hex string after all */
+ pdf_print(s); /* it was a hex string after all */
}
diff --git a/Build/source/texk/web2c/luatexdir/tex/textoken.c b/Build/source/texk/web2c/luatexdir/tex/textoken.c
index 20c57b9479b..366fa798791 100644
--- a/Build/source/texk/web2c/luatexdir/tex/textoken.c
+++ b/Build/source/texk/web2c/luatexdir/tex/textoken.c
@@ -1,4 +1,4 @@
-/* $Id: textoken.c 1013 2008-02-14 00:09:02Z oneiros $ */
+/* $Id: textoken.c 1155 2008-04-14 07:53:21Z oneiros $ */
#include "luatex-api.h"
#include <ptexlib.h>
@@ -7,18 +7,18 @@
/* Integer parameters and other command-related defines. This needs it's own header file! */
-#define end_line_char_code 48 /* character placed at the right end of the buffer */
+#define end_line_char_code 48 /* character placed at the right end of the buffer */
#define cat_code_table_code 63
-#define tex_int_pars 66 /* total number of \.{\\TeX} + Aleph integer parameters */
+#define tex_int_pars 66 /* total number of \.{\\TeX} + Aleph integer parameters */
/* this is not what happens in the pascal code! there the values shift from bare numbers to offsets ! */
#define dir_base tex_int_pars
#define dir_pars 5
-#define pdftex_first_integer_code dir_base+dir_pars /* base for \pdfTeX's integer parameters */
-#define pdf_int_pars pdftex_first_integer_code+27 /*total number of \pdfTeX's integer parameters*/
-#define etex_int_base pdf_int_pars /*base for \eTeX's integer parameters*/
-#define tracing_nesting_code etex_int_base+4 /*show incomplete groups and ifs within files*/
+#define pdftex_first_integer_code dir_base+dir_pars /* base for \pdfTeX's integer parameters */
+#define pdf_int_pars pdftex_first_integer_code+27 /*total number of \pdfTeX's integer parameters */
+#define etex_int_base pdf_int_pars /*base for \eTeX's integer parameters */
+#define tracing_nesting_code etex_int_base+4 /*show incomplete groups and ifs within files */
-#define int_par(a) zeqtb[static_int_base+a].cint /* an integer parameter */
+#define int_par(a) zeqtb[static_int_base+a].cint /* an integer parameter */
#define cat_code_table int_par(cat_code_table_code)
#define tracing_nesting int_par(tracing_nesting_code)
#define end_line_char int_par(end_line_char_code)
@@ -26,7 +26,7 @@
#define every_eof get_every_eof()
#define number_active_chars 65536+65536
-#define active_base 1 /* beginning of region 1, for active character equivalents */
+#define active_base 1 /* beginning of region 1, for active character equivalents */
#define null_cs active_base+number_active_chars /* equivalent of \.{\\csname\\endcsname} */
@@ -40,18 +40,18 @@
#define nonstop_mode 1
/* command codes */
-#define relax 0
+#define relax 0
#define out_param 5
-#define max_command 117 /* fetched from C output */
-#define dont_expand 133 /* fetched from C output */
+#define max_command 117 /* fetched from C output */
+#define dont_expand 133 /* fetched from C output */
-#define terminal_input (name==0) /* are we reading from the terminal? */
-#define special_char 1114113 /* |biggest_char+2| */
-#define cur_file input_file[index] /* the current |alpha_file| variable */
+#define terminal_input (name==0) /* are we reading from the terminal? */
+#define special_char 1114113 /* |biggest_char+2| */
+#define cur_file input_file[index] /* the current |alpha_file| variable */
-#define no_expand_flag special_char /*this characterizes a special variant of |relax|*/
+#define no_expand_flag special_char /*this characterizes a special variant of |relax| */
-extern void insert_vj_template (void);
+extern void insert_vj_template(void);
#define do_get_cat_code(a) do { \
if (local_catcode_table) \
@@ -61,219 +61,223 @@ extern void insert_vj_template (void);
} while (0)
-static void
-invalid_character_error (void) {
- char *hlp[] = {"A funny symbol that I can't read has just been input.",
- "Continue, and I'll forget that it ever happened.",
- NULL};
- deletions_allowed=false;
- tex_error("Text line contains an invalid character", hlp);
- deletions_allowed=true;
+static void invalid_character_error(void)
+{
+ char *hlp[] = { "A funny symbol that I can't read has just been input.",
+ "Continue, and I'll forget that it ever happened.",
+ NULL
+ };
+ deletions_allowed = false;
+ tex_error("Text line contains an invalid character", hlp);
+ deletions_allowed = true;
}
/* no longer done */
-static boolean process_sup_mark(void); /* below */
+static boolean process_sup_mark(void); /* below */
static int scan_control_sequence(void); /* below */
-typedef enum {next_line_ok, next_line_return, next_line_restart } next_line_retval ;
+typedef enum { next_line_ok, next_line_return,
+ next_line_restart } next_line_retval;
-static next_line_retval next_line(void); /* below */
+static next_line_retval next_line(void); /* below */
/* @^inner loop@>*/
-static void
-utf_error (void) {
- char *hlp[] = {"A funny symbol that I can't read has just been input.",
- "Just continue, I'll change it to 0xFFFD.",
- NULL };
- deletions_allowed=false;
- tex_error("Text line contains an invalid utf-8 sequence", hlp);
- deletions_allowed=true;
+static void utf_error(void)
+{
+ char *hlp[] = { "A funny symbol that I can't read has just been input.",
+ "Just continue, I'll change it to 0xFFFD.",
+ NULL
+ };
+ deletions_allowed = false;
+ tex_error("Text line contains an invalid utf-8 sequence", hlp);
+ deletions_allowed = true;
}
-static integer
-qbuffer_to_unichar (integer *k) {
- register int ch;
- int val = 0xFFFD;
- unsigned char *text = buffer+*k;
- if ( (ch = *text++)<0x80 ) {
- val = ch;
- *k+=1;
- } else if ( ch<=0xbf ) { /* error */
- *k+=1;
- } else if ( ch<=0xdf ) {
- if ( *text>=0x80 && *text<0xc0 )
- val = ((ch&0x1f)<<6) | (*text++&0x3f);
- *k+=2;
- } else if ( ch<=0xef ) {
- if ( *text>=0x80 && *text<0xc0 && text[1]>=0x80 && text[1]<0xc0 ) {
- val = ((ch&0xf)<<12) | ((text[0]&0x3f)<<6) | (text[1]&0x3f);
- *k+=3;
+static integer qbuffer_to_unichar(integer * k)
+{
+ register int ch;
+ int val = 0xFFFD;
+ unsigned char *text = buffer + *k;
+ if ((ch = *text++) < 0x80) {
+ val = ch;
+ *k += 1;
+ } else if (ch <= 0xbf) { /* error */
+ *k += 1;
+ } else if (ch <= 0xdf) {
+ if (*text >= 0x80 && *text < 0xc0)
+ val = ((ch & 0x1f) << 6) | (*text++ & 0x3f);
+ *k += 2;
+ } else if (ch <= 0xef) {
+ if (*text >= 0x80 && *text < 0xc0 && text[1] >= 0x80 && text[1] < 0xc0) {
+ val =
+ ((ch & 0xf) << 12) | ((text[0] & 0x3f) << 6) | (text[1] & 0x3f);
+ *k += 3;
+ }
+ } else {
+ int w = (((ch & 0x7) << 2) | ((text[0] & 0x30) >> 4)) - 1, w2;
+ w = (w << 6) | ((text[0] & 0xf) << 2) | ((text[1] & 0x30) >> 4);
+ w2 = ((text[1] & 0xf) << 6) | (text[2] & 0x3f);
+ val = w * 0x400 + w2 + 0x10000;
+ if (*text < 0x80 || text[1] < 0x80 || text[2] < 0x80 ||
+ *text >= 0xc0 || text[1] >= 0xc0 || text[2] >= 0xc0)
+ val = 0xFFFD;
+ *k += 4;
}
- } else {
- int w = ( ((ch&0x7)<<2) | ((text[0]&0x30)>>4) )-1, w2;
- w = (w<<6) | ((text[0]&0xf)<<2) | ((text[1]&0x30)>>4);
- w2 = ((text[1]&0xf)<<6) | (text[2]&0x3f);
- val = w*0x400 + w2 + 0x10000;
- if ( *text<0x80 || text[1]<0x80 || text[2]<0x80 ||
- *text>=0xc0 || text[1]>=0xc0 || text[2]>=0xc0 )
- val = 0xFFFD;
- *k+=4;
- }
- if (val==0xFFFD)
- utf_error();
- return( val );
+ if (val == 0xFFFD)
+ utf_error();
+ return (val);
}
-static boolean
-get_next_file (void) {
- SWITCH:
- if (loc<=limit) { /* current line not yet finished */
- cur_chr = qbuffer_to_unichar(&loc);
- RESWITCH:
- if (detokenized_line) {
- cur_cmd = (cur_chr==' ' ? 10 : 12) ;
+static boolean get_next_file(void)
+{
+ SWITCH:
+ if (loc <= limit) { /* current line not yet finished */
+ cur_chr = qbuffer_to_unichar(&loc);
+ RESWITCH:
+ if (detokenized_line) {
+ cur_cmd = (cur_chr == ' ' ? 10 : 12);
+ } else {
+ do_get_cat_code(cur_cmd);
+ }
+ /*
+ @<Change state if necessary, and |goto switch| if the current
+ character should be ignored, or |goto reswitch| if the current
+ character changes to another@>;
+ */
+ /* The following 48-way switch accomplishes the scanning quickly, assuming
+ that a decent \PASCAL\ compiler has translated the code. Note that the numeric
+ values for |mid_line|, |skip_blanks|, and |new_line| are spaced
+ apart from each other by |max_char_code+1|, so we can add a character's
+ command code to the state to get a single number that characterizes both.
+ */
+ switch (state + cur_cmd) {
+ case mid_line + ignore:
+ case skip_blanks + ignore:
+ case new_line + ignore:
+ case skip_blanks + spacer:
+ case new_line + spacer: /* @<Cases where character is ignored@> */
+ goto SWITCH;
+ break;
+ case mid_line + escape:
+ case new_line + escape:
+ case skip_blanks + escape: /* @<Scan a control sequence ...@>; */
+ state = scan_control_sequence();
+ break;
+ case mid_line + active_char:
+ case new_line + active_char:
+ case skip_blanks + active_char: /* @<Process an active-character */
+ cur_cs = cur_chr + active_base;
+ cur_cmd = eq_type(cur_cs);
+ cur_chr = equiv(cur_cs);
+ state = mid_line;
+ break;
+ case mid_line + sup_mark:
+ case new_line + sup_mark:
+ case skip_blanks + sup_mark: /* @<If this |sup_mark| starts */
+ if (process_sup_mark())
+ goto RESWITCH;
+ else
+ state = mid_line;
+ break;
+ case mid_line + invalid_char:
+ case new_line + invalid_char:
+ case skip_blanks + invalid_char: /* @<Decry the invalid character and |goto restart|@>; */
+ invalid_character_error();
+ return false; /* because state may be token_list now */
+ break;
+ case mid_line + spacer: /* @<Enter |skip_blanks| state, emit a space@>; */
+ state = skip_blanks;
+ cur_chr = ' ';
+ break;
+ case mid_line + car_ret: /* @<Finish line, emit a space@>; */
+ /* When a character of type |spacer| gets through, its character code is
+ changed to $\.{"\ "}=@'40$. This means that the ASCII codes for tab and space,
+ and for the space inserted at the end of a line, will
+ be treated alike when macro parameters are being matched. We do this
+ since such characters are indistinguishable on most computer terminal displays.
+ */
+ loc = limit + 1;
+ cur_cmd = spacer;
+ cur_chr = ' ';
+ break;
+ case skip_blanks + car_ret:
+ case mid_line + comment:
+ case new_line + comment:
+ case skip_blanks + comment: /* @<Finish line, |goto switch|@>; */
+ loc = limit + 1;
+ goto SWITCH;
+ break;
+ case new_line + car_ret: /* @<Finish line, emit a \.{\\par}@>; */
+ loc = limit + 1;
+ cur_cs = par_loc;
+ cur_cmd = eq_type(cur_cs);
+ cur_chr = equiv(cur_cs);
+ break;
+ case skip_blanks + left_brace:
+ case new_line + left_brace:
+ state = mid_line; /* fall through */
+ case mid_line + left_brace:
+ align_state++;
+ break;
+ case skip_blanks + right_brace:
+ case new_line + right_brace:
+ state = mid_line; /* fall through */
+ case mid_line + right_brace:
+ align_state--;
+ break;
+ case mid_line + math_shift:
+ case mid_line + tab_mark:
+ case mid_line + mac_param:
+ case mid_line + sub_mark:
+ case mid_line + letter:
+ case mid_line + other_char:
+ break;
+ default:
+ /*
+ case skip_blanks + math_shift:
+ case skip_blanks + tab_mark:
+ case skip_blanks + mac_param:
+ case skip_blanks + sub_mark:
+ case skip_blanks + letter:
+ case skip_blanks + other_char:
+ case new_line + math_shift:
+ case new_line + tab_mark:
+ case new_line + mac_param:
+ case new_line + sub_mark:
+ case new_line + letter:
+ case new_line + other_char:
+ */
+ state = mid_line;
+ break;
+ }
} else {
- do_get_cat_code(cur_cmd);
+ if (current_ocp_lstack > 0) {
+ pop_input();
+ return false;
+ }
+ if (name != 21)
+ state = new_line;
+
+ /*
+ @<Move to next line of file,
+ or |goto restart| if there is no next line,
+ or |return| if a \.{\\read} line has finished@>;
+ */
+ do {
+ next_line_retval r = next_line();
+ if (r == next_line_return) {
+ return true;
+ } else if (r == next_line_restart) {
+ return false;
+ }
+ } while (0);
+ check_interrupt();
+ goto SWITCH;
}
- /*
- @<Change state if necessary, and |goto switch| if the current
- character should be ignored, or |goto reswitch| if the current
- character changes to another@>;
- */
- /* The following 48-way switch accomplishes the scanning quickly, assuming
- that a decent \PASCAL\ compiler has translated the code. Note that the numeric
- values for |mid_line|, |skip_blanks|, and |new_line| are spaced
- apart from each other by |max_char_code+1|, so we can add a character's
- command code to the state to get a single number that characterizes both.
- */
- switch(state+cur_cmd) {
- case mid_line + ignore:
- case skip_blanks + ignore:
- case new_line + ignore:
- case skip_blanks + spacer:
- case new_line + spacer: /* @<Cases where character is ignored@> */
- goto SWITCH;
- break;
- case mid_line + escape:
- case new_line + escape:
- case skip_blanks + escape: /* @<Scan a control sequence ...@>;*/
- state = scan_control_sequence();
- break;
- case mid_line + active_char:
- case new_line + active_char:
- case skip_blanks + active_char: /* @<Process an active-character */
- cur_cs=cur_chr+active_base;
- cur_cmd=eq_type(cur_cs);
- cur_chr=equiv(cur_cs);
- state=mid_line;
- break;
- case mid_line + sup_mark:
- case new_line + sup_mark:
- case skip_blanks + sup_mark: /* @<If this |sup_mark| starts */
- if (process_sup_mark())
- goto RESWITCH;
- else
- state=mid_line;
- break;
- case mid_line + invalid_char:
- case new_line + invalid_char:
- case skip_blanks + invalid_char: /* @<Decry the invalid character and |goto restart|@>;*/
- invalid_character_error();
- return false; /* because state may be token_list now */
- break;
- case mid_line + spacer: /* @<Enter |skip_blanks| state, emit a space@>;*/
- state=skip_blanks;
- cur_chr=' ';
- break;
- case mid_line + car_ret: /* @<Finish line, emit a space@>;*/
- /* When a character of type |spacer| gets through, its character code is
- changed to $\.{"\ "}=@'40$. This means that the ASCII codes for tab and space,
- and for the space inserted at the end of a line, will
- be treated alike when macro parameters are being matched. We do this
- since such characters are indistinguishable on most computer terminal displays.
- */
- loc=limit+1;
- cur_cmd=spacer;
- cur_chr=' ';
- break;
- case skip_blanks + car_ret:
- case mid_line + comment:
- case new_line + comment:
- case skip_blanks + comment: /* @<Finish line, |goto switch|@>;*/
- loc=limit+1;
- goto SWITCH;
- break;
- case new_line + car_ret: /* @<Finish line, emit a \.{\\par}@>;*/
- loc=limit+1;
- cur_cs=par_loc;
- cur_cmd=eq_type(cur_cs);
- cur_chr=equiv(cur_cs);
- break;
- case skip_blanks + left_brace:
- case new_line + left_brace:
- state=mid_line; /* fall through */
- case mid_line + left_brace:
- align_state++;
- break;
- case skip_blanks + right_brace:
- case new_line + right_brace:
- state=mid_line; /* fall through */
- case mid_line + right_brace:
- align_state--;
- break;
- case mid_line + math_shift:
- case mid_line + tab_mark:
- case mid_line + mac_param:
- case mid_line + sub_mark:
- case mid_line + letter:
- case mid_line + other_char:
- break;
- default:
- /*
- case skip_blanks + math_shift:
- case skip_blanks + tab_mark:
- case skip_blanks + mac_param:
- case skip_blanks + sub_mark:
- case skip_blanks + letter:
- case skip_blanks + other_char:
- case new_line + math_shift:
- case new_line + tab_mark:
- case new_line + mac_param:
- case new_line + sub_mark:
- case new_line + letter:
- case new_line + other_char:
- */
- state=mid_line;
- break;
- }
- } else {
- if (current_ocp_lstack>0) {
- pop_input();
- return false;
- }
- if (name!=21)
- state=new_line;
-
- /*
- @<Move to next line of file,
- or |goto restart| if there is no next line,
- or |return| if a \.{\\read} line has finished@>;
- */
- do {
- next_line_retval r = next_line();
- if (r==next_line_return) {
- return true;
- } else if (r==next_line_restart) {
- return false;
- }
- } while (0);
- check_interrupt();
- goto SWITCH;
- }
- return true;
+ return true;
}
#define is_hex(a) ((a>='0'&&a<='9')||(a>='a'&&a<='f'))
@@ -307,71 +311,75 @@ get_next_file (void) {
/* Notice that a code like \.{\^\^8} becomes \.x if not followed by a hex digit.*/
-static boolean
-process_sup_mark(void) {
- if (cur_chr==buffer[loc]) {
- int c,cc;
- if (loc<limit) {
- if ((cur_chr==buffer[loc+1]) && (cur_chr==buffer[loc+2])
- && (cur_chr==buffer[loc+3]) && (cur_chr==buffer[loc+4])
- && ((loc+10)<=limit)) {
- int ccc,cccc,ccccc,cccccc; /* constituents of a possible expanded code */
- c=buffer[loc+5];
- cc=buffer[loc+6];
- ccc=buffer[loc+7];
- cccc=buffer[loc+8];
- ccccc=buffer[loc+9];
- cccccc=buffer[loc+10];
- if ((is_hex(c)) && (is_hex(cc)) && (is_hex(ccc)) && (is_hex(cccc))
- && (is_hex(ccccc)) && (is_hex(cccccc))) {
- loc=loc+11;
- six_hex_to_cur_chr;
- return true;
- }
- }
- if ((cur_chr==buffer[loc+1]) && (cur_chr==buffer[loc+2])
- && (cur_chr==buffer[loc+3]) && ((loc+8)<=limit)) {
- int ccc,cccc,ccccc; /* constituents of a possible expanded code */
- c=buffer[loc+4];
- cc=buffer[loc+5];
- ccc=buffer[loc+6];
- cccc=buffer[loc+7];
- ccccc=buffer[loc+8];
- if ((is_hex(c)) && (is_hex(cc)) && (is_hex(ccc)) && (is_hex(cccc)) && (is_hex(ccccc))) {
- loc=loc+9;
- five_hex_to_cur_chr;
- return true;
- }
- }
- if ((cur_chr==buffer[loc+1]) && (cur_chr==buffer[loc+2]) && ((loc+6)<=limit)) {
- int ccc,cccc; /* constituents of a possible expanded code */
- c=buffer[loc+3];
- cc=buffer[loc+4];
- ccc=buffer[loc+5];
- cccc=buffer[loc+6];
- if ((is_hex(c)) && (is_hex(cc)) && (is_hex(ccc)) && (is_hex(cccc))) {
- loc=loc+7;
- four_hex_to_cur_chr;
- return true;
- }
- }
- c = buffer[loc+1];
- if (c<0200) { /* yes we have an expanded char */
- loc=loc+2;
- if (is_hex(c) && loc<=limit) {
- cc=buffer[loc];
- if (is_hex(cc)){
- incr(loc);
- hex_to_cur_chr;
- return true;
- }
+static boolean process_sup_mark(void)
+{
+ if (cur_chr == buffer[loc]) {
+ int c, cc;
+ if (loc < limit) {
+ if ((cur_chr == buffer[loc + 1]) && (cur_chr == buffer[loc + 2])
+ && (cur_chr == buffer[loc + 3]) && (cur_chr == buffer[loc + 4])
+ && ((loc + 10) <= limit)) {
+ int ccc, cccc, ccccc, cccccc; /* constituents of a possible expanded code */
+ c = buffer[loc + 5];
+ cc = buffer[loc + 6];
+ ccc = buffer[loc + 7];
+ cccc = buffer[loc + 8];
+ ccccc = buffer[loc + 9];
+ cccccc = buffer[loc + 10];
+ if ((is_hex(c)) && (is_hex(cc)) && (is_hex(ccc))
+ && (is_hex(cccc))
+ && (is_hex(ccccc)) && (is_hex(cccccc))) {
+ loc = loc + 11;
+ six_hex_to_cur_chr;
+ return true;
+ }
+ }
+ if ((cur_chr == buffer[loc + 1]) && (cur_chr == buffer[loc + 2])
+ && (cur_chr == buffer[loc + 3]) && ((loc + 8) <= limit)) {
+ int ccc, cccc, ccccc; /* constituents of a possible expanded code */
+ c = buffer[loc + 4];
+ cc = buffer[loc + 5];
+ ccc = buffer[loc + 6];
+ cccc = buffer[loc + 7];
+ ccccc = buffer[loc + 8];
+ if ((is_hex(c)) && (is_hex(cc)) && (is_hex(ccc))
+ && (is_hex(cccc)) && (is_hex(ccccc))) {
+ loc = loc + 9;
+ five_hex_to_cur_chr;
+ return true;
+ }
+ }
+ if ((cur_chr == buffer[loc + 1]) && (cur_chr == buffer[loc + 2])
+ && ((loc + 6) <= limit)) {
+ int ccc, cccc; /* constituents of a possible expanded code */
+ c = buffer[loc + 3];
+ cc = buffer[loc + 4];
+ ccc = buffer[loc + 5];
+ cccc = buffer[loc + 6];
+ if ((is_hex(c)) && (is_hex(cc)) && (is_hex(ccc))
+ && (is_hex(cccc))) {
+ loc = loc + 7;
+ four_hex_to_cur_chr;
+ return true;
+ }
+ }
+ c = buffer[loc + 1];
+ if (c < 0200) { /* yes we have an expanded char */
+ loc = loc + 2;
+ if (is_hex(c) && loc <= limit) {
+ cc = buffer[loc];
+ if (is_hex(cc)) {
+ incr(loc);
+ hex_to_cur_chr;
+ return true;
+ }
+ }
+ cur_chr = (c < 0100 ? c + 0100 : c - 0100);
+ return true;
+ }
}
- cur_chr = (c<0100 ? c+0100 : c-0100);
- return true;
- }
}
- }
- return false;
+ return false;
}
/* Control sequence names are scanned only when they appear in some line of
@@ -390,46 +398,50 @@ process_sup_mark(void) {
buffer and the process is repeated, slowly but surely.
*/
-static boolean check_expanded_code (integer *kk) ; /* below */
-
-static int scan_control_sequence (void ) {
- int retval = mid_line;
- if (loc>limit) {
- cur_cs=null_cs; /* |state| is irrelevant in this case */
- } else {
- register int cat; /* |cat_code(cur_chr)|, usually */
- while (1) {
- integer k=loc;
- cur_chr = qbuffer_to_unichar(&k);
- do_get_cat_code(cat);
- if (cat!=letter||k>limit) {
- retval = (cat==spacer ? skip_blanks : mid_line);
- if (cat==sup_mark && check_expanded_code(&k)) /* @<If an expanded...@>; */
- continue;
- } else {
- retval=skip_blanks;
- do {
- cur_chr = qbuffer_to_unichar(&k);
- do_get_cat_code(cat);
- } while (cat==letter&&k<=limit);
-
- if (cat==sup_mark && check_expanded_code(&k)) /* @<If an expanded...@>; */
- continue;
- if (cat!=letter) {
- decr(k);
- if (cur_chr>0xFFFF) decr(k);
- if (cur_chr>0x7FF) decr(k);
- if (cur_chr>0x7F) decr(k);
- } /* now |k| points to first nonletter */
- }
- cur_cs=id_lookup(loc,k-loc);
- loc=k;
- break;
+static boolean check_expanded_code(integer * kk); /* below */
+
+static int scan_control_sequence(void)
+{
+ int retval = mid_line;
+ if (loc > limit) {
+ cur_cs = null_cs; /* |state| is irrelevant in this case */
+ } else {
+ register int cat; /* |cat_code(cur_chr)|, usually */
+ while (1) {
+ integer k = loc;
+ cur_chr = qbuffer_to_unichar(&k);
+ do_get_cat_code(cat);
+ if (cat != letter || k > limit) {
+ retval = (cat == spacer ? skip_blanks : mid_line);
+ if (cat == sup_mark && check_expanded_code(&k)) /* @<If an expanded...@>; */
+ continue;
+ } else {
+ retval = skip_blanks;
+ do {
+ cur_chr = qbuffer_to_unichar(&k);
+ do_get_cat_code(cat);
+ } while (cat == letter && k <= limit);
+
+ if (cat == sup_mark && check_expanded_code(&k)) /* @<If an expanded...@>; */
+ continue;
+ if (cat != letter) {
+ decr(k);
+ if (cur_chr > 0xFFFF)
+ decr(k);
+ if (cur_chr > 0x7FF)
+ decr(k);
+ if (cur_chr > 0x7F)
+ decr(k);
+ } /* now |k| points to first nonletter */
+ }
+ cur_cs = id_lookup(loc, k - loc);
+ loc = k;
+ break;
+ }
}
- }
- cur_cmd=eq_type(cur_cs);
- cur_chr=equiv(cur_cs);
- return retval;
+ cur_cmd = eq_type(cur_cs);
+ cur_chr = equiv(cur_cs);
+ return retval;
}
/* Whenever we reach the following piece of code, we will have
@@ -440,89 +452,97 @@ static int scan_control_sequence (void ) {
the buffer left two or three places.
*/
-static boolean
-check_expanded_code (integer *kk) {
- int l;
- int k = *kk;
- int d =1; /* number of excess characters in an expanded code */
- int c,cc,ccc,cccc,ccccc,cccccc; /* constituents of a possible expanded code */
- if (buffer[k]==cur_chr && k<limit) {
- if ((cur_chr==buffer[k+1]) && (cur_chr==buffer[k+2]) && ((k+6)<=limit)) {
- d = 4;
- if ((cur_chr==buffer[k+3]) && ((k+8)<=limit))
- d = 5;
- if ((cur_chr==buffer[k+4]) && ((k+10)<=limit))
- d = 6;
- c = buffer[k+d-1];
- cc = buffer[k+d];
- ccc = buffer[k+d+1];
- cccc= buffer[k+d+2];
- if (d==6) {
- ccccc =buffer[k+d+3];
- cccccc=buffer[k+d+4];
- if (is_hex(c) && is_hex(cc) && is_hex(ccc) && is_hex(cccc)
- && is_hex(ccccc) && is_hex(cccccc))
- six_hex_to_cur_chr;
- } else if (d==5) {
- ccccc=buffer[k+d+3];
- if (is_hex(c) && is_hex(cc) && is_hex(ccc) && is_hex(cccc) && is_hex(ccccc))
- five_hex_to_cur_chr;
- } else {
- if (is_hex(c) && is_hex(cc) && is_hex(ccc) && is_hex(cccc))
- four_hex_to_cur_chr;
- }
- } else {
- c=buffer[k+1];
- if (c<0200) {
- d=1;
- if (is_hex(c) && (k+2)<=limit) {
- cc=buffer[k+2];
- if (is_hex(c) && is_hex(cc)) {
- d=2;
- hex_to_cur_chr;
- }
- } else if (c<0100) {
- cur_chr=c+0100;
- } else {
- cur_chr=c-0100;
- }
- }
- }
- if (d>2)
- d=2*d-1;
- else
- d++;
- if (cur_chr <= 0x7F) {
- buffer[k-1]= cur_chr;
- } else if (cur_chr<=0x7FF) {
- buffer[k-1]=0xC0 + cur_chr / 0x40;
- k++; d--;
- buffer[k-1]=0x80 + cur_chr % 0x40;
- } else if (cur_chr<=0xFFFF){
- buffer[k-1]=0xE0 + cur_chr / 0x1000;
- k++; d--;
- buffer[k-1]=0x80 + (cur_chr % 0x1000) / 0x40;
- k++; d--;
- buffer[k-1]=0x80 + (cur_chr % 0x1000) % 0x40;
- } else {
- buffer[k-1]=0xF0 + cur_chr / 0x40000;
- k++; d--;
- buffer[k-1]=0x80 + (cur_chr % 0x40000) / 0x1000;
- k++; d--;
- buffer[k-1]=0x80 + ((cur_chr % 0x40000) % 0x1000) / 0x40;
- k++; d--;
- buffer[k-1]=0x80 + ((cur_chr % 0x40000) % 0x1000) % 0x40;
- }
- l = k;
- limit = limit - d;
- while (l<=limit) {
- buffer[l]=buffer[l+d];
- l++;
+static boolean check_expanded_code(integer * kk)
+{
+ int l;
+ int k = *kk;
+ int d = 1; /* number of excess characters in an expanded code */
+ int c, cc, ccc, cccc, ccccc, cccccc; /* constituents of a possible expanded code */
+ if (buffer[k] == cur_chr && k < limit) {
+ if ((cur_chr == buffer[k + 1]) && (cur_chr == buffer[k + 2])
+ && ((k + 6) <= limit)) {
+ d = 4;
+ if ((cur_chr == buffer[k + 3]) && ((k + 8) <= limit))
+ d = 5;
+ if ((cur_chr == buffer[k + 4]) && ((k + 10) <= limit))
+ d = 6;
+ c = buffer[k + d - 1];
+ cc = buffer[k + d];
+ ccc = buffer[k + d + 1];
+ cccc = buffer[k + d + 2];
+ if (d == 6) {
+ ccccc = buffer[k + d + 3];
+ cccccc = buffer[k + d + 4];
+ if (is_hex(c) && is_hex(cc) && is_hex(ccc) && is_hex(cccc)
+ && is_hex(ccccc) && is_hex(cccccc))
+ six_hex_to_cur_chr;
+ } else if (d == 5) {
+ ccccc = buffer[k + d + 3];
+ if (is_hex(c) && is_hex(cc) && is_hex(ccc) && is_hex(cccc)
+ && is_hex(ccccc))
+ five_hex_to_cur_chr;
+ } else {
+ if (is_hex(c) && is_hex(cc) && is_hex(ccc) && is_hex(cccc))
+ four_hex_to_cur_chr;
+ }
+ } else {
+ c = buffer[k + 1];
+ if (c < 0200) {
+ d = 1;
+ if (is_hex(c) && (k + 2) <= limit) {
+ cc = buffer[k + 2];
+ if (is_hex(c) && is_hex(cc)) {
+ d = 2;
+ hex_to_cur_chr;
+ }
+ } else if (c < 0100) {
+ cur_chr = c + 0100;
+ } else {
+ cur_chr = c - 0100;
+ }
+ }
+ }
+ if (d > 2)
+ d = 2 * d - 1;
+ else
+ d++;
+ if (cur_chr <= 0x7F) {
+ buffer[k - 1] = cur_chr;
+ } else if (cur_chr <= 0x7FF) {
+ buffer[k - 1] = 0xC0 + cur_chr / 0x40;
+ k++;
+ d--;
+ buffer[k - 1] = 0x80 + cur_chr % 0x40;
+ } else if (cur_chr <= 0xFFFF) {
+ buffer[k - 1] = 0xE0 + cur_chr / 0x1000;
+ k++;
+ d--;
+ buffer[k - 1] = 0x80 + (cur_chr % 0x1000) / 0x40;
+ k++;
+ d--;
+ buffer[k - 1] = 0x80 + (cur_chr % 0x1000) % 0x40;
+ } else {
+ buffer[k - 1] = 0xF0 + cur_chr / 0x40000;
+ k++;
+ d--;
+ buffer[k - 1] = 0x80 + (cur_chr % 0x40000) / 0x1000;
+ k++;
+ d--;
+ buffer[k - 1] = 0x80 + ((cur_chr % 0x40000) % 0x1000) / 0x40;
+ k++;
+ d--;
+ buffer[k - 1] = 0x80 + ((cur_chr % 0x40000) % 0x1000) % 0x40;
+ }
+ l = k;
+ limit = limit - d;
+ while (l <= limit) {
+ buffer[l] = buffer[l + d];
+ l++;
+ }
+ *kk = k;
+ return true;
}
- *kk =k;
- return true;
- }
- return false;
+ return false;
}
#define end_line_char_inactive ((end_line_char<0)||(end_line_char>127))
@@ -540,122 +560,126 @@ check_expanded_code (integer *kk) {
There is one more branch.
*/
-static next_line_retval
-next_line (void) {
- integer tab; /* a category table */
- boolean inhibit_eol = false; /* a way to end a pseudo file without trailing space */
- detokenized_line=false;
- local_catcode_table=false;
- if (name>17) {
- /* @<Read next line of file into |buffer|, or |goto restart| if the file has ended@> */
- incr(line);
- first=start;
- if (!force_eof) {
- if (name<=20) {
- if (pseudo_input()) { /* not end of file */
- firm_up_the_line(); /* this sets |limit| */
- if ((name==19)&&(pseudo_lines(pseudo_files)==null))
- inhibit_eol=true;
- } else if ((every_eof!=null)&&!eof_seen[index]) {
- limit=first-1; eof_seen[index]=true; /* fake one empty line */
- if (name!=19)
- begin_token_list(every_eof,every_eof_text);
- return next_line_restart;
- } else {
- force_eof=true;
- }
- } else {
- if (name==21) {
- if (luacstring_input()) { /* not end of strings */
- firm_up_the_line();
- if ((luacstring_penultimate())||(luacstring_simple()))
- inhibit_eol=true;
- if (!luacstring_simple())
- state=new_line;
- if (luacstring_detokenized()) {
- inhibit_eol=true;
- detokenized_line=true;
- } else {
- if (! luacstring_defaultcattable()) {
- tab=luacstring_cattable();
- if (valid_catcode_table(tab)) {
- local_catcode_table=true;
- line_catcode_table=tab;
- }
- }
- }
- } else {
- force_eof=true;
- }
- } else {
- if (lua_input_ln(cur_file,0,true)) { /* not end of file */
- firm_up_the_line(); /* this sets |limit| */
- } else if ((every_eof!=null)&& (!eof_seen[index])) {
- limit=first-1; eof_seen[index]=true; /* fake one empty line */
- begin_token_list(every_eof,every_eof_text);
- return next_line_restart;
- } else {
- force_eof=true;
- }
- }
- }
- }
- if (force_eof) {
- if (tracing_nesting>0)
- if ((grp_stack[in_open]!=cur_boundary)||(if_stack[in_open]!=cond_ptr))
- if (!((name==19)||(name=21)))
- file_warning(); /* give warning for some unfinished groups and/or conditionals */
- if ((name>21)||(name==20)) {
- if (tracefilenames)
- print_char(')');
- open_parens--;
- /* update_terminal();*/ /* show user that file has been read */
- }
- force_eof=false;
- end_file_reading();
- return next_line_restart;
- }
- if (inhibit_eol||end_line_char_inactive)
- limit--;
- else
- buffer[limit]=end_line_char;
- first=limit+1;
- loc=start; /* ready to read */
- } else {
- if (!terminal_input) { /* \.{\\read} line has ended */
- cur_cmd=0;
- cur_chr=0;
- return next_line_return; /* OUTER */
- }
- if (input_ptr>0) { /* text was inserted during error recovery */
- end_file_reading();
- return next_line_restart; /* resume previous level */
- }
- if (selector<log_only)
- open_log_file();
- if (interaction>nonstop_mode) {
- if (end_line_char_inactive)
- limit++;
- if (limit==start) { /* previous line was empty */
- tprint_nl("(Please type a command or say `\\end')");
- }
- print_ln();
- first=start;
- prompt_input((str_number)'*'); /* input on-line into |buffer| */
- limit=last;
- if (end_line_char_inactive)
- limit--;
- else
- buffer[limit]=end_line_char;
- first=limit+1;
- loc=start;
+static next_line_retval next_line(void)
+{
+ integer tab; /* a category table */
+ boolean inhibit_eol = false; /* a way to end a pseudo file without trailing space */
+ detokenized_line = false;
+ local_catcode_table = false;
+ if (name > 17) {
+ /* @<Read next line of file into |buffer|, or |goto restart| if the file has ended@> */
+ incr(line);
+ first = start;
+ if (!force_eof) {
+ if (name <= 20) {
+ if (pseudo_input()) { /* not end of file */
+ firm_up_the_line(); /* this sets |limit| */
+ if ((name == 19) && (pseudo_lines(pseudo_files) == null))
+ inhibit_eol = true;
+ } else if ((every_eof != null) && !eof_seen[index]) {
+ limit = first - 1;
+ eof_seen[index] = true; /* fake one empty line */
+ if (name != 19)
+ begin_token_list(every_eof, every_eof_text);
+ return next_line_restart;
+ } else {
+ force_eof = true;
+ }
+ } else {
+ if (name == 21) {
+ if (luacstring_input()) { /* not end of strings */
+ firm_up_the_line();
+ if ((luacstring_penultimate()) || (luacstring_simple()))
+ inhibit_eol = true;
+ if (!luacstring_simple())
+ state = new_line;
+ if (luacstring_detokenized()) {
+ inhibit_eol = true;
+ detokenized_line = true;
+ } else {
+ if (!luacstring_defaultcattable()) {
+ tab = luacstring_cattable();
+ if (valid_catcode_table(tab)) {
+ local_catcode_table = true;
+ line_catcode_table = tab;
+ }
+ }
+ }
+ } else {
+ force_eof = true;
+ }
+ } else {
+ if (lua_input_ln(cur_file, 0, true)) { /* not end of file */
+ firm_up_the_line(); /* this sets |limit| */
+ } else if ((every_eof != null) && (!eof_seen[index])) {
+ limit = first - 1;
+ eof_seen[index] = true; /* fake one empty line */
+ begin_token_list(every_eof, every_eof_text);
+ return next_line_restart;
+ } else {
+ force_eof = true;
+ }
+ }
+ }
+ }
+ if (force_eof) {
+ if (tracing_nesting > 0)
+ if ((grp_stack[in_open] != cur_boundary)
+ || (if_stack[in_open] != cond_ptr))
+ if (!((name == 19) || (name = 21)))
+ file_warning(); /* give warning for some unfinished groups and/or conditionals */
+ if ((name > 21) || (name == 20)) {
+ if (tracefilenames)
+ print_char(')');
+ open_parens--;
+ /* update_terminal(); *//* show user that file has been read */
+ }
+ force_eof = false;
+ end_file_reading();
+ return next_line_restart;
+ }
+ if (inhibit_eol || end_line_char_inactive)
+ limit--;
+ else
+ buffer[limit] = end_line_char;
+ first = limit + 1;
+ loc = start; /* ready to read */
} else {
- fatal_error(maketexstring("*** (job aborted, no legal \\end found)"));
- /* nonstop mode, which is intended for overnight batch processing,
- never waits for on-line input */
+ if (!terminal_input) { /* \.{\\read} line has ended */
+ cur_cmd = 0;
+ cur_chr = 0;
+ return next_line_return; /* OUTER */
+ }
+ if (input_ptr > 0) { /* text was inserted during error recovery */
+ end_file_reading();
+ return next_line_restart; /* resume previous level */
+ }
+ if (selector < log_only)
+ open_log_file();
+ if (interaction > nonstop_mode) {
+ if (end_line_char_inactive)
+ limit++;
+ if (limit == start) { /* previous line was empty */
+ tprint_nl("(Please type a command or say `\\end')");
+ }
+ print_ln();
+ first = start;
+ prompt_input((str_number) '*'); /* input on-line into |buffer| */
+ limit = last;
+ if (end_line_char_inactive)
+ limit--;
+ else
+ buffer[limit] = end_line_char;
+ first = limit + 1;
+ loc = start;
+ } else {
+ fatal_error(maketexstring
+ ("*** (job aborted, no legal \\end found)"));
+ /* nonstop mode, which is intended for overnight batch processing,
+ never waits for on-line input */
+ }
}
- }
- return next_line_ok;
+ return next_line_ok;
}
@@ -663,46 +687,46 @@ next_line (void) {
/* Let's consider now what happens when |get_next| is looking at a token list. */
-static boolean
-get_next_tokenlist (void) {
- register halfword t; /* a token*/
- t=info(loc);
- loc=link(loc); /* move to next */
- if (t>=cs_token_flag) { /* a control sequence token */
- cur_cs=t-cs_token_flag;
- cur_cmd=eq_type(cur_cs);
- if (cur_cmd==dont_expand) { /* @<Get the next token, suppressing expansion@>*/
- /* The present point in the program is reached only when the |expand|
- routine has inserted a special marker into the input. In this special
- case, |info(loc)| is known to be a control sequence token, and |link(loc)=null|.
- */
- cur_cs=info(loc)-cs_token_flag;
- loc=null;
- cur_cmd=eq_type(cur_cs);
- if (cur_cmd>max_command) {
- cur_cmd=relax;
- cur_chr=no_expand_flag;
- return true;
- }
- }
- cur_chr=equiv(cur_cs);
- } else {
- cur_cmd=t >> string_offset_bits; /* cur_cmd=t / string_offset; */
- cur_chr=t & (string_offset-1); /* cur_chr=t % string_offset; */
- switch (cur_cmd) {
- case left_brace:
- align_state++;
- break;
- case right_brace:
- align_state--;
- break;
- case out_param: /* @<Insert macro parameter and |goto restart|@>; */
- begin_token_list(param_stack[param_start+cur_chr-1],parameter);
- return false;
- break;
+static boolean get_next_tokenlist(void)
+{
+ register halfword t; /* a token */
+ t = info(loc);
+ loc = link(loc); /* move to next */
+ if (t >= cs_token_flag) { /* a control sequence token */
+ cur_cs = t - cs_token_flag;
+ cur_cmd = eq_type(cur_cs);
+ if (cur_cmd == dont_expand) { /* @<Get the next token, suppressing expansion@> */
+ /* The present point in the program is reached only when the |expand|
+ routine has inserted a special marker into the input. In this special
+ case, |info(loc)| is known to be a control sequence token, and |link(loc)=null|.
+ */
+ cur_cs = info(loc) - cs_token_flag;
+ loc = null;
+ cur_cmd = eq_type(cur_cs);
+ if (cur_cmd > max_command) {
+ cur_cmd = relax;
+ cur_chr = no_expand_flag;
+ return true;
+ }
+ }
+ cur_chr = equiv(cur_cs);
+ } else {
+ cur_cmd = t >> string_offset_bits; /* cur_cmd=t / string_offset; */
+ cur_chr = t & (string_offset - 1); /* cur_chr=t % string_offset; */
+ switch (cur_cmd) {
+ case left_brace:
+ align_state++;
+ break;
+ case right_brace:
+ align_state--;
+ break;
+ case out_param: /* @<Insert macro parameter and |goto restart|@>; */
+ begin_token_list(param_stack[param_start + cur_chr - 1], parameter);
+ return false;
+ break;
+ }
}
- }
- return true;
+ return true;
}
/* Now we're ready to take the plunge into |get_next| itself. Parts of
@@ -712,42 +736,42 @@ get_next_tokenlist (void) {
/* sets |cur_cmd|, |cur_chr|, |cur_cs| to next token */
-void
-get_next (void) {
- RESTART:
- cur_cs=0;
- if (state!=token_list) {
- /* Input from external file, |goto restart| if no input found */
- if (!get_next_file())
- goto RESTART;
- } else {
- if (loc==null) {
- end_token_list();
- goto RESTART; /* list exhausted, resume previous level */
- } else if (!get_next_tokenlist()) {
- goto RESTART; /* parameter needs to be expanded */
+void get_next(void)
+{
+ RESTART:
+ cur_cs = 0;
+ if (state != token_list) {
+ /* Input from external file, |goto restart| if no input found */
+ if (!get_next_file())
+ goto RESTART;
+ } else {
+ if (loc == null) {
+ end_token_list();
+ goto RESTART; /* list exhausted, resume previous level */
+ } else if (!get_next_tokenlist()) {
+ goto RESTART; /* parameter needs to be expanded */
+ }
+ }
+ /* @<If an alignment entry has just ended, take appropriate action@> */
+ if ((cur_cmd == tab_mark || cur_cmd == car_ret) && align_state == 0) {
+ insert_vj_template();
+ goto RESTART;
}
- }
- /* @<If an alignment entry has just ended, take appropriate action@> */
- if ((cur_cmd==tab_mark || cur_cmd==car_ret) && align_state==0) {
- insert_vj_template();
- goto RESTART;
- }
}
-void
-get_token_lua (void) {
- register int callback_id ;
- callback_id = callback_defined(token_filter_callback);
- if (callback_id!=0) {
- while (state==token_list && loc==null && index!=v_template)
- end_token_list();
- /* there is some stuff we don't want to see inside the callback */
- if (!(state==token_list &&
- ((nofilter==true) || (index==backed_up && loc!=null)))) {
- do_get_token_lua(callback_id);
- return;
+void get_token_lua(void)
+{
+ register int callback_id;
+ callback_id = callback_defined(token_filter_callback);
+ if (callback_id != 0) {
+ while (state == token_list && loc == null && index != v_template)
+ end_token_list();
+ /* there is some stuff we don't want to see inside the callback */
+ if (!(state == token_list &&
+ ((nofilter == true) || (index == backed_up && loc != null)))) {
+ do_get_token_lua(callback_id);
+ return;
+ }
}
- }
- get_next();
+ get_next();
}