summaryrefslogtreecommitdiff
path: root/Build/source/texk/web2c/luatexdir/ptexlib.h
blob: f63f480b000cff2bda9577eb19c85e50402033cd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
/* ptexlib.h

   Copyright 1996-2006 Han The Thanh <thanh@pdftex.org>
   Copyright 2006-2013 Taco Hoekwater <taco@luatex.org>

   This file is part of LuaTeX.

   LuaTeX is free software; you can redistribute it and/or modify it under
   the terms of the GNU General Public License as published by the Free
   Software Foundation; either version 2 of the License, or (at your
   option) any later version.

   LuaTeX is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
   License for more details.

   You should have received a copy of the GNU General Public License along
   with LuaTeX; if not, see <http://www.gnu.org/licenses/>. */


#ifndef PTEXLIB_H
#  define PTEXLIB_H

/* Try to detect if a system header has already been included.  */
#if (defined(__linux__) && defined(_FEATURES_H)) || \
    (defined(_MSC_VER) && (defined(_INC_CRTDEFS) || defined(_OFF_T_DEFINED))) || \
    (defined(__MINGW32__) && defined(__MINGW_H))
ptexlib.h must be included first!!!
#endif

#ifdef HAVE_CONFIG_H
#include <w2c/config.h>
#endif

/* WEB2C macros and prototypes */
#  include "luatex.h"

#  include "lib/lib.h"

#  ifdef _MSC_VER
extern double rint(double x);
#  endif

#  if defined(WIN32) || defined(__MINGW32__) || defined(__CYGWIN__)
extern char **suffixlist;       /* in luainit.w */
#  endif

/* Replicate these here. They are hardcoded anyway */

#  define eTeX_version_string "2.2"     /* current \eTeX\ version */
#  define eTeX_version 2        /* \.{\\eTeXversion}  */
#  define eTeX_minor_version 2  /* \.{\\eTeXminorversion}  */
#  define eTeX_revision ".2"    /* \.{\\eTeXrevision} */


#define LUA_COMPAT_MODULE 1
#  include "lua.h"


/* pdftexlib macros from ptexmac.h */

#  ifdef WIN32
#    define inline __inline
#  endif

/**********************************************************************/
/* Pascal WEB macros */

#  define max_integer      0x7FFFFFFF
#  define max_dimen        0x3FFFFFFF

/**********************************************************************/

#  define PRINTF_BUF_SIZE     1024
#  define MAX_CSTRING_LEN     1024 * 1024
#  define MAX_PSTRING_LEN     1024
#  define SMALL_BUF_SIZE      256
#  define SMALL_ARRAY_SIZE    256

#  define check_buf(size, buf_size)                                 \
  if ((unsigned)(size) > (unsigned)(buf_size))                      \
    formatted_error("internal","buffer overflow: %d > %d at file %s, line %d",     \
                (int)(size), (int)(buf_size), __FILE__,  __LINE__ )

#  define append_char_to_buf(c, p, buf, buf_size) do { \
    if (c == 9)                                        \
        c = 32;                                        \
    if (c == 13 || c == EOF)                           \
        c = 10;                                        \
    if (c != ' ' || (p > buf && p[-1] != 32)) {        \
        check_buf(p - buf + 1, (buf_size));            \
        *p++ = c;				       \
    }                                                  \
} while (0)

#  define append_eol(p, buf, buf_size) do {            \
    check_buf(p - buf + 2, (buf_size));                \
    if (p - buf > 1 && p[-1] != 10)                    \
        *p++ = 10;                                     \
    if (p - buf > 2 && p[-2] == 32) {                  \
        p[-2] = 10;                                    \
        p--;                                           \
    }                                                  \
    *p = 0;                                            \
} while (0)

#  define remove_eol(p, buf) do {                      \
    p = strend(buf) - 1;                               \
    if (*p == 10)                                      \
        *p = 0;                                        \
} while (0)

#  define skip_char(p, c)   if (*p == c)  p++

#  define alloc_array(T, n, s) do {					\
	if (T##_array == NULL) {					\
	    T##_limit = (size_t)(s);					\
	    if ((unsigned)(n) > (unsigned)T##_limit)			\
		T##_limit = (size_t)(n);				\
	    T##_array = xtalloc((unsigned)T##_limit, T##_entry);	\
	    T##_ptr = T##_array;					\
	}								\
	else if ((unsigned)(T##_ptr - T##_array + (unsigned)(n)) > (unsigned)(T##_limit)) { \
	    size_t last_ptr_index = (size_t)(T##_ptr - T##_array);	\
	    T##_limit *= 2;						\
	    if ((unsigned)(T##_ptr - T##_array + (unsigned)(n)) > (unsigned)(T##_limit)) \
		T##_limit = (size_t)(T##_ptr - T##_array + (unsigned)(n));	\
	    xretalloc(T##_array, (unsigned)T##_limit, T##_entry);	\
	    T##_ptr = T##_array + last_ptr_index;			\
	}								\
    } while (0)

#  define define_array(T)                   \
T##_entry      *T##_ptr, *T##_array = NULL; \
size_t          T##_limit

#  define xfree(a)            do { free(a); a = NULL; } while (0)
#  define dxfree(a,b)         do { free(a); a = b; } while (0)
#  define strend(s)           strchr(s, 0)
#  define xtalloc             XTALLOC
#  define xretalloc           XRETALLOC

#  define cmp_return(a, b) \
    if ((a) > (b))         \
        return 1;          \
    if ((a) < (b))         \
        return -1

#  define str_prefix(s1, s2)  (strncmp((s1), (s2), strlen(s2)) == 0)

#  include "tex/mainbody.h"
#  include "tex/expand.h"
#  include "tex/conditional.h"

#  include "pdf/pdftypes.h" /* the backend data structure, shared between dvi and pdf (might move to |tex/backend| */
#  include "tex/backend.h"  /* more backend data  */

#  include "synctex.h"

#  include "utils/avlstuff.h"
#  include "utils/managed-sa.h"

#  include "image/writeimg.h"

#  include "dvi/dvigen.h"

#  include "pdf/pdftables.h"
#  include "pdf/pdfpagetree.h"
#  include "pdf/pdfgen.h"
#  include "pdf/pdfpage.h"
#  include "pdf/pdfaction.h"
#  include "pdf/pdfannot.h"
#  include "pdf/pdfcolorstack.h"
#  include "pdf/pdfdest.h"
#  include "pdf/pdffont.h"
#  include "pdf/pdfglyph.h"
#  include "pdf/pdfimage.h"
#  include "pdf/pdflink.h"
#  include "pdf/pdflistout.h"
#  include "pdf/pdfliteral.h"
#  include "pdf/pdfobj.h"
#  include "pdf/pdfoutline.h"
#  include "pdf/pdfrule.h"
#  include "pdf/pdfsaverestore.h"
#  include "pdf/pdfsetmatrix.h"
#  include "pdf/pdfshipout.h"
#  include "pdf/pdfthread.h"
#  include "pdf/pdfxform.h"


#  include "font/luatexfont.h"
#  include "font/mapfile.h"

#  include "utils/utils.h"
#  include "utils/unistring.h"

#  include "image/writejbig2.h"
#  include "image/pdftoepdf.h"

#  include "lang/texlang.h"

#  include "tex/textcodes.h"
#  include "tex/mathcodes.h"

#  include "tex/align.h"
#  include "tex/directions.h"
#  include "tex/errors.h"
#  include "tex/inputstack.h"
#  include "tex/stringpool.h"
#  include "tex/textoken.h"
#  include "tex/printing.h"
#  include "tex/texfileio.h"
#  include "tex/arithmetic.h"
#  include "tex/nesting.h"
#  include "tex/packaging.h"
#  include "tex/linebreak.h"
#  include "tex/postlinebreak.h"
#  include "tex/scanning.h"
#  include "tex/buildpage.h"
#  include "tex/maincontrol.h"
#  include "tex/dumpdata.h"
#  include "tex/mainbody.h"
#  include "tex/extensions.h"
#  include "tex/texnodes.h"

#  include "tex/texmath.h"
#  include "tex/mlist.h"
#  include "tex/primitive.h"
#  include "tex/commands.h"
#  include "tex/equivalents.h"

/**********************************************************************/

#  include "tex/filename.h"

/**********************************************************************/

extern halfword new_ligkern(halfword head, halfword tail);
extern halfword handle_ligaturing(halfword head, halfword tail);
extern halfword handle_kerning(halfword head, halfword tail);

halfword lua_hpack_filter(
    halfword head_node, scaled size, int pack_type, int extrainfo, int d, halfword a);
void lua_node_filter(
    int filterid, int extrainfo, halfword head_node,
    halfword * tail_node);
halfword lua_vpack_filter(
    halfword head_node, scaled size, int pack_type, scaled maxd, int extrainfo, int d, halfword a);
void lua_node_filter_s(
    int filterid, int extrainfo);
int lua_linebreak_callback(
    int is_broken, halfword head_node, halfword * new_head);
int lua_appendtovlist_callback(
    halfword box, int location, halfword prev_depth, boolean is_mirrored,
    halfword * result, int * next_depth, boolean * prev_set);

void lua_pdf_literal(PDF pdf, int i, int noline);
void copy_pdf_literal(pointer r, pointer p);
void free_pdf_literal(pointer p);
void show_pdf_literal(pointer p);

void copy_late_lua(pointer r, pointer p);
void copy_user_lua(pointer r, pointer p);
void free_late_lua(pointer p);
void free_user_lua(pointer p);
void show_late_lua(pointer p);

void load_tex_patterns(int curlang, halfword head);
void load_tex_hyphenation(int curlang, halfword head);

/* lua/llualib.c */

void dump_luac_registers(void);
void undump_luac_registers(void);

/* lua/ltexlib.c */
void luacstring_start(int n);
void luacstring_close(int n);
int luacstring_cattable(void);
int luacstring_input(halfword *n);
int luacstring_partial(void);
int luacstring_final_line(void);

/* lua/luanode.c */
int visible_last_node_type(int n);
void print_node_mem_stats(void);

/* lua/limglib.c */
void vf_out_image(PDF pdf, unsigned i);

/* lua/ltexiolib.c */
void flush_loggable_info(void);

/* lua/luastuff.w  */
void luafunctioncall(int slot);
void luabytecodecall(int slot);

/* lua/luastuff.c */
void luatokencall(int p, int nameptr);
extern void late_lua(PDF pdf, halfword p);

extern void check_texconfig_init(void);

scaled divide_scaled(scaled s, scaled m, int dd);
scaled divide_scaled_n(double s, double m, double d);

#  include "tex/texdeffont.h"
#  include "luatexcallbackids.h"

extern boolean get_callback(lua_State * L, int i);

/* Additions to texmfmp.h for pdfTeX */

/* mark a char in font */
#  define pdf_mark_char(f,c) set_char_used(f,c,true)

/* test whether a char in font is marked */
#  define pdf_char_marked char_used

#  define voidcast(a) (void *)(a)
#  define fixmemcast(a) (smemory_word *)(a)

extern void do_vf(internal_font_number tmp_f);

/* This routine has to return four values.  */
#  define	dateandtime(i,j,k,l) get_date_and_time (&(i), &(j), &(k), &(l))
extern void get_date_and_time(int *, int *, int *, int *);

/* Get high-res time info. */
#  define seconds_and_micros(i,j) get_seconds_and_micros (&(i), &(j))
extern void get_seconds_and_micros(int *, int *);

/* This routine has to return a scaled value. */
extern int getrandomseed(void);

/* Copy command-line arguments into the buffer, despite the name.  */
extern void topenin(void);

/* Can't prototype this since it uses poolpointer and ASCIIcode, which
   are defined later in mfd.h, and mfd.h uses stuff from here.  */
/* Therefore the department of ugly hacks decided to move this declaration
   to the *coerce.h files. */
/* extern void calledit (); */

/* Set an array size from texmf.cnf.  */
/*extern void setupboundvariable(integer *, const_string, integer);*/

/* here  are a few functions that used to be in coerce.h */

extern str_number getjobname(str_number);
extern str_number makefullnamestring(void);

#  include <kpathsea/version.h>

extern PDF static_pdf;

extern string normalize_quotes(const_string name, const_string mesg);
extern string dump_name;
extern const_string c_job_name;

extern halfword *check_isnode(lua_State * L, int i);
extern void lua_nodelib_push_fast(lua_State * L, halfword n);

extern halfword list_node_mem_usage(void);

extern halfword *check_isnode(lua_State * L, int ud);

extern extinfo *get_charinfo_vert_variants(charinfo * ci);
extern extinfo *get_charinfo_hor_variants(charinfo * ci);
extern void set_charinfo_hor_variants(charinfo * ci, extinfo * ext);
extern void set_charinfo_vert_variants(charinfo * ci, extinfo * ext);

extern extinfo *copy_variants(extinfo * o);

extern int program_name_set;    /* in lkpselib.c */

extern int kpse_init; /* in luainit.w */
extern int kpse_available(const char * m); /* in texfileio.w */

#endif                          /* PTEXLIB_H */