diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
---|---|---|
committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/flatten/flatten.c |
Initial commit
Diffstat (limited to 'support/flatten/flatten.c')
-rw-r--r-- | support/flatten/flatten.c | 1877 |
1 files changed, 1877 insertions, 0 deletions
diff --git a/support/flatten/flatten.c b/support/flatten/flatten.c new file mode 100644 index 0000000000..ed435dc790 --- /dev/null +++ b/support/flatten/flatten.c @@ -0,0 +1,1877 @@ +/* A lexical scanner generated by flex */ + +/* scanner skeleton version: + * $Header: /usr/fsys/odin/a/vern/flex/RCS/flex.skel,v 2.16 90/08/03 14:09:36 vern Exp $ + */ + +#define FLEX_SCANNER + +#include <stdio.h> + + +/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */ +#ifdef c_plusplus +#ifndef __cplusplus +#define __cplusplus +#endif +#endif + + +#ifdef __cplusplus + +#include <stdlib.h> +#include <osfcn.h> + +/* use prototypes in function declarations */ +#define YY_USE_PROTOS + +/* the "const" storage-class-modifier is valid */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +#ifdef __STDC__ + +#ifdef __GNUC__ +#include <stddef.h> +void *malloc( size_t ); +void free( void* ); +#else +#include <stdlib.h> +#endif /* __GNUC__ */ + +#define YY_USE_PROTOS +#define YY_USE_CONST + +#endif /* __STDC__ */ +#endif /* ! __cplusplus */ + + +#ifdef __TURBOC__ +#define YY_USE_CONST +#endif + + +#ifndef YY_USE_CONST +#define const +#endif + + +#ifdef YY_USE_PROTOS +#define YY_PROTO(proto) proto +#else +#define YY_PROTO(proto) () +/* we can't get here if it's an ANSI C compiler, or a C++ compiler, + * so it's got to be a K&R compiler, and therefore there's no standard + * place from which to include these definitions + */ +char *malloc(); +int free(); +int read(); +#endif + + +/* amount of stuff to slurp up with each read */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* returned upon end-of-file */ +#define YY_END_TOK 0 + +/* copy whatever the last rule matched to the standard output */ + +/* cast to (char *) is because for 8-bit chars, yytext is (unsigned char *) */ +/* this used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite() + */ +#define ECHO (void) fwrite( (char *) yytext, yyleng, 1, yyout ) + +/* gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#define YY_INPUT(buf,result,max_size) \ + if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \ + YY_FATAL_ERROR( "read() in flex scanner failed" ); +#define YY_NULL 0 + +/* no semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#define yyterminate() return ( YY_NULL ) + +/* report a fatal error */ + +/* The funky do-while is used to turn this macro definition into + * a single C statement (which needs a semi-colon terminator). + * This avoids problems with code like: + * + * if ( something_happens ) + * YY_FATAL_ERROR( "oops, the something happened" ); + * else + * everything_okay(); + * + * Prior to using the do-while the compiler would get upset at the + * "else" because it interpreted the "if" statement as being all + * done when it reached the ';' after the YY_FATAL_ERROR() call. + */ + +#define YY_FATAL_ERROR(msg) \ + do \ + { \ + (void) fputs( msg, stderr ); \ + (void) putc( '\n', stderr ); \ + exit( 1 ); \ + } \ + while ( 0 ) + +/* default yywrap function - always treat EOF as an EOF */ +#define yywrap() 1 + +/* enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN + */ +#define BEGIN yy_start = 1 + 2 * + +/* action number for EOF rule of a given start state */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* special action meaning "start processing a new file" */ +#define YY_NEW_FILE \ + do \ + { \ + yy_init_buffer( yy_current_buffer, yyin ); \ + yy_load_buffer_state(); \ + } \ + while ( 0 ) + +/* default declaration of generated scanner - a define so the user can + * easily add parameters + */ +#define YY_DECL int yylex YY_PROTO(( void )) + +/* code executed at the end of each rule */ +#define YY_BREAK break; + +#define YY_END_OF_BUFFER_CHAR 0 + +#ifndef YY_BUF_SIZE +#define YY_BUF_SIZE (YY_READ_BUF_SIZE * 2) /* size of default input buffer */ +#endif + +typedef struct yy_buffer_state *YY_BUFFER_STATE; + +#define YY_CHAR char +# line 1 "flatten.lx" +#define INITIAL 0 +# line 2 "flatten.lx" +/* flatten.lx (flex) lexer for concatenating "included" (La)TeX files + * Written by Peter Wilson (Catholic University and NIST) + * pwilson@cme.nist.gov + */ + +char FILE_VERSION[] = "Version 1.1"; +char FILE_DATE[] = "October 1995"; + +/* Version History: + * 1.0 (December 1994): First release + * 1.1 (October 1995): Added: + * -- directory searching + * -- use of \endinput to stop processing an included file + */ + +/* Development of this software was funded by the United States Government + * and is not subject to copyright. + */ + +/* National Institute of Standards and Technology (NIST) + * Manufacturing Engineering Laboratory (MEL) + * Manufacturing Systems Integration Division (MSID) + * ******************************************************************** + * D I S C L A I M E R + * + * There is no warranty for the FLaTTeN software. + * If the FLaTTeN software + * is modified by someone else and passed on, NIST wants + * the software's recipients to know that what they have is not what NIST + * distributed. + * + * Policies + * + * 1. Anyone may copy and distribute verbatim copies of the + * source code as received in any medium. + * + * 2. Anyone may modify your copy or copies of the FLaTTeN source + * code or any portion of it, and copy and distribute such modifications + * provided that all modifications are clearly associated with the entity + * that performs the modifications. + * + * NO WARRANTY + * =========== + * + * NIST PROVIDES ABSOLUTELY NO WARRANTY. THE FLaTTeN SOFTWARE + * IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + * THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS + * WITH YOU. SHOULD ANY PORTION OF THE FLaTTeN SOFTWARE PROVE DEFECTIVE, + * YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. + * + * IN NO EVENT WILL NIST BE LIABLE FOR DAMAGES, + * INCLUDING ANY LOST PROFITS, LOST MONIES, OR OTHER SPECIAL, + * INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR + * INABILITY TO USE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA + * BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY THIRD PARTIES OR A + * FAILURE OF THE PROGRAM TO OPERATE WITH PROGRAMS NOT DISTRIBUTED BY + * NIST) THE PROGRAMS, EVEN IF YOU HAVE BEEN ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. + */ + + +#include <stdio.h> +#include <string.h> +#include <ctype.h> +#include "getopt.h" +#include "srchenv.h" + +typedef char *STRING; /* a pointer-to-a-char */ +typedef STRING *PTRADR; /* A pointer-to-a-pointer-to-a-char */ + + +#ifndef TRUE +# define TRUE 1 +#endif +#ifndef FALSE +# define FALSE 0 +#endif +# define MAX_DEPTH 100 /* max file nesting depth */ +# define MAX_NAME 100 /* max length of a file name */ +# define MY_EOS '\0' +# define MAX_ERRORS 10 /* max number of errors */ + +FILE *filerr; /* error file */ +FILE *filout; /* output file */ +FILE *filin; /* input root file */ +int kind; /* kind of file inclusion */ +int depth = 0; /* depth of file nesting */ +FILE *file_stack[MAX_DEPTH]; /* stack of files */ +char *name_stack[MAX_DEPTH]; /* stack of file names */ +YY_BUFFER_STATE buffer_stack[MAX_DEPTH]; /* stack of input buffers */ +char filnam[MAX_NAME]; /* name of a file */ +char extnam[MAX_NAME]; /* name of file with extension */ + +extern FILE *yyin; +extern FILE *yyout; + +int DEBUG; /* >=1 for debugging */ +int num_errors = 0; /* number of errors */ +int lineno = 1; /* input file line number */ +# define MAX_LINE 2000 /* max length of an input line */ +char linebuf[MAX_LINE]; /* buffer for input line */ +int linlen = 0; /* current no of chars in linebuf */ + +char verb_char; /* delimeter for \verb command */ + +FILE *filtabin; /* command input file */ +int num_commands = 0; /* number of types of include commands */ +# define MAX_TABLE_LINE 100 /* max number of chars in command table line */ +# define MAX_COMMANDS 100 /* max number of inclusion commands */ +STRING ctable[MAX_COMMANDS]; /* include command name table */ + +int lex_result; /* scratch integer for lexer */ + + /* Environment variable defined search path stuff */ +char path_name[257]; /* name of a path */ +char sys_envname[20]; /* name of environment variable */ +char path_sep[10]; /* path name seperators */ +char dir_cat; /* directory catenation char */ +int senv_debug; /* =1 for debug searchenv() */ + +void packup(); +char *strsave(); +void yyerror(); +void start_a_file(); +void end_a_file(); +void catl(); +void warning(); +void read_table(); +int lookup(); +void initialise_senv(); + +/* END OF C CODE TO BE COPIED TO OUTPUT */ +/* TeX comments from % through eol and gobble following whitespace */ +#define VERBATIM_STATE 1 +#define VERB_STATE 2 +#define IN_STATE 3 +/* END OF DEFINITIONS SECTION */ +# line 164 "flatten.lx" + +/* done after the current pattern has been matched and before the + * corresponding action - sets up yytext + */ +#define YY_DO_BEFORE_ACTION \ + yytext = yy_bp; \ + yyleng = yy_cp - yy_bp; \ + yy_hold_char = *yy_cp; \ + *yy_cp = '\0'; \ + yy_c_buf_p = yy_cp; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + +/* return all but the first 'n' matched characters back to the input stream */ +#define yyless(n) \ + do \ + { \ + /* undo effects of setting up yytext */ \ + *yy_cp = yy_hold_char; \ + yy_c_buf_p = yy_cp = yy_bp + n; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, yytext ) + + +struct yy_buffer_state + { + FILE *yy_input_file; + + YY_CHAR *yy_ch_buf; /* input buffer */ + YY_CHAR *yy_buf_pos; /* current position in input buffer */ + + /* size of input buffer in bytes, not including room for EOB characters*/ + int yy_buf_size; + + /* number of characters read into yy_ch_buf, not including EOB characters */ + int yy_n_chars; + + int yy_eof_status; /* whether we've seen an EOF on this buffer */ +#define EOF_NOT_SEEN 0 + /* "pending" happens when the EOF has been seen but there's still + * some text process + */ +#define EOF_PENDING 1 +#define EOF_DONE 2 + }; + +static YY_BUFFER_STATE yy_current_buffer; + +/* we provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state" + */ +#define YY_CURRENT_BUFFER yy_current_buffer + + +/* yy_hold_char holds the character lost when yytext is formed */ +static YY_CHAR yy_hold_char; + +static int yy_n_chars; /* number of characters read into yy_ch_buf */ + + + +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +#ifndef YY_USER_INIT +#define YY_USER_INIT +#endif + +extern YY_CHAR *yytext; +extern int yyleng; +extern FILE *yyin, *yyout; + +YY_CHAR *yytext; +int yyleng; + +FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; + +#define YY_END_OF_BUFFER 20 +typedef int yy_state_type; +static const short int yy_accept[90] = + { 0, + 0, 0, 0, 0, 0, 0, 0, 0, 20, 18, + 15, 18, 16, 18, 5, 3, 4, 9, 8, 13, + 13, 12, 14, 0, 1, 16, 11, 11, 11, 11, + 5, 0, 13, 13, 12, 14, 12, 14, 1, 11, + 11, 11, 0, 11, 11, 11, 0, 11, 11, 11, + 0, 0, 11, 11, 7, 7, 7, 0, 0, 0, + 0, 11, 0, 0, 0, 11, 0, 0, 10, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 6, 0, 6, 0, 0, 2, 2, 0 + } ; + +static const YY_CHAR yy_ec[128] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 1, 1, 1, 1, 4, 1, 1, 1, + 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 1, 7, 1, 1, 1, 1, 8, 9, 6, 10, + + 11, 6, 12, 6, 13, 6, 6, 6, 14, 15, + 6, 16, 6, 17, 6, 18, 19, 20, 6, 6, + 6, 6, 21, 1, 22, 1, 1 + } ; + +static const YY_CHAR yy_meta[23] = + { 0, + 1, 1, 2, 1, 1, 3, 4, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 5, 5 + } ; + +static const short int yy_base[101] = + { 0, + 0, 22, 3, 5, 159, 158, 9, 11, 160, 163, + 163, 156, 0, 8, 0, 163, 147, 163, 163, 0, + 13, 155, 154, 152, 152, 0, 0, 142, 137, 140, + 0, 135, 0, 16, 147, 146, 145, 144, 143, 132, + 133, 125, 131, 127, 126, 129, 18, 122, 121, 44, + 34, 38, 39, 119, 163, 0, 0, 48, 123, 40, + 50, 114, 115, 51, 120, 112, 120, 108, 0, 112, + 104, 93, 74, 68, 62, 64, 64, 52, 61, 45, + 54, 71, 57, 70, 61, 62, 67, 14, 163, 84, + 89, 94, 99, 104, 11, 6, 109, 114, 118, 123 + + } ; + +static const short int yy_def[101] = + { 0, + 90, 90, 91, 91, 92, 92, 93, 93, 89, 89, + 89, 94, 95, 96, 97, 89, 89, 89, 89, 98, + 98, 89, 89, 94, 89, 95, 96, 96, 96, 96, + 97, 89, 98, 98, 89, 89, 89, 89, 89, 96, + 96, 96, 89, 96, 96, 96, 89, 96, 96, 99, + 89, 89, 96, 96, 89, 100, 96, 89, 89, 89, + 89, 96, 89, 89, 89, 96, 89, 89, 96, 89, + 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, + 89, 89, 89, 89, 89, 89, 89, 89, 0, 89, + 89, 89, 89, 89, 89, 89, 89, 89, 89, 89 + + } ; + +static const short int yy_nxt[186] = + { 0, + 10, 10, 11, 12, 10, 16, 14, 16, 27, 17, + 21, 17, 21, 26, 34, 88, 28, 34, 29, 51, + 10, 10, 10, 10, 11, 12, 10, 30, 14, 22, + 23, 22, 23, 35, 36, 51, 35, 36, 52, 58, + 60, 60, 10, 10, 55, 55, 80, 55, 56, 58, + 55, 64, 64, 80, 52, 80, 81, 59, 85, 61, + 61, 86, 85, 85, 55, 55, 82, 59, 88, 65, + 65, 84, 84, 82, 83, 82, 79, 78, 87, 77, + 76, 75, 87, 87, 13, 13, 13, 13, 13, 15, + 15, 15, 15, 15, 18, 18, 18, 18, 18, 20, + + 20, 20, 20, 20, 24, 24, 24, 24, 24, 31, + 74, 31, 73, 31, 33, 33, 33, 33, 57, 72, + 57, 57, 57, 55, 71, 55, 55, 55, 70, 69, + 68, 67, 66, 63, 62, 54, 53, 50, 49, 48, + 47, 46, 45, 44, 39, 38, 37, 38, 37, 43, + 42, 41, 40, 39, 25, 38, 37, 32, 25, 89, + 19, 19, 9, 89, 89, 89, 89, 89, 89, 89, + 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, + 89, 89, 89, 89, 89 + } ; + +static const short int yy_chk[186] = + { 0, + 1, 1, 1, 1, 1, 3, 1, 4, 96, 3, + 7, 4, 8, 95, 21, 88, 14, 34, 14, 47, + 1, 1, 2, 2, 2, 2, 2, 14, 2, 7, + 7, 8, 8, 21, 21, 51, 34, 34, 47, 52, + 53, 60, 2, 2, 50, 50, 80, 50, 50, 58, + 50, 61, 64, 78, 51, 81, 78, 52, 83, 53, + 60, 83, 85, 86, 50, 50, 80, 58, 87, 61, + 64, 84, 82, 78, 79, 81, 77, 76, 83, 75, + 74, 73, 85, 86, 90, 90, 90, 90, 90, 91, + 91, 91, 91, 91, 92, 92, 92, 92, 92, 93, + + 93, 93, 93, 93, 94, 94, 94, 94, 94, 97, + 72, 97, 71, 97, 98, 98, 98, 98, 99, 70, + 99, 99, 99, 100, 68, 100, 100, 100, 67, 66, + 65, 63, 62, 59, 54, 49, 48, 46, 45, 44, + 43, 42, 41, 40, 39, 38, 37, 36, 35, 32, + 30, 29, 28, 25, 24, 23, 22, 17, 12, 9, + 6, 5, 89, 89, 89, 89, 89, 89, 89, 89, + 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, + 89, 89, 89, 89, 89 + } ; + +static yy_state_type yy_last_accepting_state; +static YY_CHAR *yy_last_accepting_cpos; + +/* the intent behind this definition is that it'll catch + * any uses of REJECT which flex missed + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 + +/* these variables are all declared out here so that section 3 code can + * manipulate them + */ +/* points to current character in buffer */ +static YY_CHAR *yy_c_buf_p = (YY_CHAR *) 0; +static int yy_init = 1; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* flag which is used to allow yywrap()'s to do buffer switches + * instead of setting up a fresh yyin. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +static yy_state_type yy_get_previous_state YY_PROTO(( void )); +static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state )); +static int yy_get_next_buffer YY_PROTO(( void )); +static void yyunput YY_PROTO(( YY_CHAR c, YY_CHAR *buf_ptr )); +void yyrestart YY_PROTO(( FILE *input_file )); +void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer )); +void yy_load_buffer_state YY_PROTO(( void )); +YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size )); +void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b )); +void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file )); + +#define yy_new_buffer yy_create_buffer + +#ifdef __cplusplus +static int yyinput YY_PROTO(( void )); +#else +static int input YY_PROTO(( void )); +#endif + +YY_DECL + { + register yy_state_type yy_current_state; + register YY_CHAR *yy_cp, *yy_bp; + register int yy_act; + + + /* START OF RULES SECTION */ + + /*--------------- expressions and actions -------------------*/ + + /* TeX comment */ + + if ( yy_init ) + { + YY_USER_INIT; + + if ( ! yy_start ) + yy_start = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( yy_current_buffer ) + yy_init_buffer( yy_current_buffer, yyin ); + else + yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); + + yy_load_buffer_state(); + + yy_init = 0; + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = yy_c_buf_p; + + /* support of yytext */ + *yy_cp = yy_hold_char; + + /* yy_bp points to the position in yy_ch_buf of the start of the + * current run. + */ + yy_bp = yy_cp; + + yy_current_state = yy_start; +yy_match: + do + { + register YY_CHAR yy_c = yy_ec[*yy_cp]; + if ( yy_accept[yy_current_state] ) + { + yy_last_accepting_state = yy_current_state; + yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = yy_def[yy_current_state]; + if ( yy_current_state >= 90 ) + yy_c = yy_meta[yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; + ++yy_cp; + } + while ( yy_current_state != 89 ); + yy_cp = yy_last_accepting_cpos; + yy_current_state = yy_last_accepting_state; + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + + YY_DO_BEFORE_ACTION; + YY_USER_ACTION; + +do_action: /* this label is used only to access EOF actions */ + + + switch ( yy_act ) + { + case 0: /* must backtrack */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = yy_hold_char; + yy_cp = yy_last_accepting_cpos; + yy_current_state = yy_last_accepting_state; + goto yy_find_action; + +case 1: +# line 170 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "%s", yytext); + fflush(filerr); + } + lineno++; + linebuf[0] = MY_EOS; + linlen = 0; + fprintf(filout, "%s", yytext); + } + YY_BREAK + /* verbatims */ + /* \begin{verbatim} */ +case 2: +# line 183 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "%s", yytext); + fflush(filerr); + } + BEGIN VERBATIM_STATE; + fprintf(filout, "%s", yytext); + } + YY_BREAK + /* newline in verbatim */ +case 3: +# line 192 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "%s", yytext); + fflush(filerr); + } + lineno++; + linebuf[0] = MY_EOS; + linlen = 0; + fprintf(filout, "%s", yytext); + } + YY_BREAK + /* backslash in verbatim */ +case 4: +# line 203 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "%s", yytext); + fflush(filerr); + } + fprintf(filout, "%s", yytext); + } + YY_BREAK + /* all except backslash and newline */ +case 5: +# line 211 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "%s", yytext); + fflush(filerr); + } + fprintf(filout, "%s", yytext); + } + YY_BREAK + /* \end{verbatim} */ +case 6: +# line 219 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "%s", yytext); + fflush(filerr); + } + BEGIN 0; + fprintf(filout, "%s", yytext); + } + YY_BREAK + /* \verb (and its trailing char) */ +case 7: +# line 229 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "%s", yytext); + fflush(filerr); + } + BEGIN VERB_STATE; + fprintf(filout, "%s", yytext); + verb_char = yytext[yyleng - 1]; + } + YY_BREAK + /* newline inside \verb */ +case 8: +# line 239 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "%s", yytext); + fflush(filerr); + } + lineno++; + linebuf[0] = MY_EOS; + linlen = 0; + fprintf(filout, "%s", yytext); + } + YY_BREAK + /* chars inside \verb */ +case 9: +# line 250 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "%s", yytext); + fflush(filerr); + } + if (verb_char == yytext[0]) { + BEGIN 0; + } + fprintf(filout, "%s", yytext); + } + YY_BREAK + /*-------- endinput command ------*/ +case 10: +# line 263 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "\nlex DEBUG: End of input %s\n", name_stack[depth]); + fflush(filerr); + } + if (depth > 0) { + end_a_file(); + yy_switch_to_buffer(buffer_stack[depth]); + } + else { + return(EOF); + } + } + YY_BREAK + /*--------- includes? -------------*/ +case 11: +# line 279 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "%s", yytext); + fflush(filerr); + } + lex_result = lookup(yytext); + if (DEBUG) { + fprintf(filerr, " (lookup=%d) ", lex_result); + fflush(filerr); + } + if (lex_result >= 0) { /* found an include */ + fprintf(filout, "%%%s", yytext); + BEGIN IN_STATE; + } + else { + fprintf(filout, "%s", yytext); + } + } + YY_BREAK + /* left brace */ +case 12: +# line 299 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "%s", yytext); + fflush(filerr); + } + fprintf(filout, "%s", yytext); + } + YY_BREAK + /* file name */ +case 13: +# line 309 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "%s", yytext); + fflush(filerr); + } + strcpy(filnam, yytext); + fprintf(filout, "%s", yytext); + } + YY_BREAK + /* close brace */ +case 14: +# line 319 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "%s", yytext); + fflush(filerr); + } + fprintf(filout, "%s\n", yytext); + start_a_file(filnam); + yy_switch_to_buffer(buffer_stack[depth]); + if (DEBUG) { + fprintf(filerr, "\nlex DEBUG: Start of file: %s\n", name_stack[depth]); + fflush(filerr); + } + BEGIN 0; + } + YY_BREAK + /*------------- uninteresting stuff -----------------*/ + /* newline */ +case 15: +# line 337 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "%s", yytext); + fflush(filerr); + } + lineno++; + linebuf[0] = MY_EOS; + linlen = 0; + fprintf(filout, "%s", yytext); + } + YY_BREAK + /* alphabetic string */ +case 16: +# line 349 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "%s", yytext); + fflush(filerr); + } + fprintf(filout, "%s", yytext); + } + YY_BREAK + /* End Of File */ +case YY_STATE_EOF(INITIAL): +case YY_STATE_EOF(VERBATIM_STATE): +case YY_STATE_EOF(VERB_STATE): +case YY_STATE_EOF(IN_STATE): +# line 358 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "\nlex DEBUG: End of file %s\n", name_stack[depth]); + fflush(filerr); + } + if (depth > 0) { + end_a_file(); + yy_switch_to_buffer(buffer_stack[depth]); + } + else { + return(EOF); + } + } + YY_BREAK + /* anything else */ +case 18: +# line 373 "flatten.lx" +{ catl(yyleng, yytext); + if (DEBUG) { + fprintf(filerr, "%s", yytext); + fflush(filerr); + } + fprintf(filout, "%s", yytext); + } + YY_BREAK + /* END OF RULES SECTION */ +case 19: +# line 382 "flatten.lx" +ECHO; + YY_BREAK + + case YY_END_OF_BUFFER: + { + /* amount of text matched not including the EOB char */ + int yy_amount_of_matched_text = yy_cp - yytext - 1; + + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = yy_hold_char; + + /* note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the end- + * of-buffer state). Contrast this with the test in yyinput(). + */ + if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] ) + /* this was really a NUL */ + { + yy_state_type yy_next_state; + + yy_c_buf_p = yytext + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state(); + + /* okay, we're now positioned to make the + * NUL transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we + * don't want to build jamming into it because + * then it will run more slowly) + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state ); + + yy_bp = yytext + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* consume the NUL */ + yy_cp = ++yy_c_buf_p; + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = yy_last_accepting_cpos; + yy_current_state = yy_last_accepting_state; + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer() ) + { + case EOB_ACT_END_OF_FILE: + { + yy_did_buffer_switch_on_eof = 0; + + if ( yywrap() ) + { + /* note: because we've taken care in + * yy_get_next_buffer() to have set up yytext, + * we can now set up yy_c_buf_p so that if some + * total hoser (like flex itself) wants + * to call the scanner after we return the + * YY_NULL, it'll still work - another YY_NULL + * will get returned. + */ + yy_c_buf_p = yytext + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF((yy_start - 1) / 2); + goto do_action; + } + + else + { + if ( ! yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; + } + } + break; + + case EOB_ACT_CONTINUE_SCAN: + yy_c_buf_p = yytext + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state(); + + yy_cp = yy_c_buf_p; + yy_bp = yytext + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + yy_c_buf_p = + &yy_current_buffer->yy_ch_buf[yy_n_chars]; + + yy_current_state = yy_get_previous_state(); + + yy_cp = yy_c_buf_p; + yy_bp = yytext + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: +#ifdef FLEX_DEBUG + printf( "action # %d\n", yy_act ); +#endif + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } + } + } + + +/* yy_get_next_buffer - try to read in a new buffer + * + * synopsis + * int yy_get_next_buffer(); + * + * returns a code representing an action + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ + +static int yy_get_next_buffer() + + { + register YY_CHAR *dest = yy_current_buffer->yy_ch_buf; + register YY_CHAR *source = yytext - 1; /* copy prev. char, too */ + register int number_to_move, i; + int ret_val; + + if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + /* try to read more data */ + + /* first move last chars to start of buffer */ + number_to_move = yy_c_buf_p - yytext; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( yy_current_buffer->yy_eof_status != EOF_NOT_SEEN ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + yy_n_chars = 0; + + else + { + int num_to_read = yy_current_buffer->yy_buf_size - number_to_move - 1; + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + else if ( num_to_read <= 0 ) + YY_FATAL_ERROR( "fatal error - scanner input buffer overflow" ); + + /* read in more data */ + YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]), + yy_n_chars, num_to_read ); + } + + if ( yy_n_chars == 0 ) + { + if ( number_to_move == 1 ) + { + ret_val = EOB_ACT_END_OF_FILE; + yy_current_buffer->yy_eof_status = EOF_DONE; + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + yy_current_buffer->yy_eof_status = EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + yy_n_chars += number_to_move; + yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR; + yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; + + /* yytext begins at the second character in yy_ch_buf; the first + * character is the one which preceded it before reading in the latest + * buffer; it needs to be kept around in case it's a newline, so + * yy_get_previous_state() will have with '^' rules active + */ + + yytext = &yy_current_buffer->yy_ch_buf[1]; + + return ( ret_val ); + } + + +/* yy_get_previous_state - get the state just before the EOB char was reached + * + * synopsis + * yy_state_type yy_get_previous_state(); + */ + +static yy_state_type yy_get_previous_state() + + { + register yy_state_type yy_current_state; + register YY_CHAR *yy_cp; + + yy_current_state = yy_start; + + for ( yy_cp = yytext + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp ) + { + register YY_CHAR yy_c = (*yy_cp ? yy_ec[*yy_cp] : 1); + if ( yy_accept[yy_current_state] ) + { + yy_last_accepting_state = yy_current_state; + yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = yy_def[yy_current_state]; + if ( yy_current_state >= 90 ) + yy_c = yy_meta[yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; + } + + return ( yy_current_state ); + } + + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + +#ifdef YY_USE_PROTOS +static yy_state_type yy_try_NUL_trans( register yy_state_type yy_current_state ) +#else +static yy_state_type yy_try_NUL_trans( yy_current_state ) +register yy_state_type yy_current_state; +#endif + + { + register int yy_is_jam; + register YY_CHAR *yy_cp = yy_c_buf_p; + + register YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + yy_last_accepting_state = yy_current_state; + yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = yy_def[yy_current_state]; + if ( yy_current_state >= 90 ) + yy_c = yy_meta[yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; + yy_is_jam = (yy_current_state == 89); + + return ( yy_is_jam ? 0 : yy_current_state ); + } + + +#ifdef YY_USE_PROTOS +static void yyunput( YY_CHAR c, register YY_CHAR *yy_bp ) +#else +static void yyunput( c, yy_bp ) +YY_CHAR c; +register YY_CHAR *yy_bp; +#endif + + { + register YY_CHAR *yy_cp = yy_c_buf_p; + + /* undo effects of setting up yytext */ + *yy_cp = yy_hold_char; + + if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) + { /* need to shift things up to make room */ + register int number_to_move = yy_n_chars + 2; /* +2 for EOB chars */ + register YY_CHAR *dest = + &yy_current_buffer->yy_ch_buf[yy_current_buffer->yy_buf_size + 2]; + register YY_CHAR *source = + &yy_current_buffer->yy_ch_buf[number_to_move]; + + while ( source > yy_current_buffer->yy_ch_buf ) + *--dest = *--source; + + yy_cp += dest - source; + yy_bp += dest - source; + yy_n_chars = yy_current_buffer->yy_buf_size; + + if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) + YY_FATAL_ERROR( "flex scanner push-back overflow" ); + } + + if ( yy_cp > yy_bp && yy_cp[-1] == '\n' ) + yy_cp[-2] = '\n'; + + *--yy_cp = c; + + /* note: the formal parameter *must* be called "yy_bp" for this + * macro to now work correctly + */ + YY_DO_BEFORE_ACTION; /* set up yytext again */ + } + + +#ifdef __cplusplus +static int yyinput() +#else +static int input() +#endif + + { + int c; + YY_CHAR *yy_cp = yy_c_buf_p; + + *yy_cp = yy_hold_char; + + if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] ) + /* this was really a NUL */ + *yy_c_buf_p = '\0'; + + else + { /* need more input */ + yytext = yy_c_buf_p; + ++yy_c_buf_p; + + switch ( yy_get_next_buffer() ) + { + case EOB_ACT_END_OF_FILE: + { + if ( yywrap() ) + { + yy_c_buf_p = yytext + YY_MORE_ADJ; + return ( EOF ); + } + + YY_NEW_FILE; + +#ifdef __cplusplus + return ( yyinput() ); +#else + return ( input() ); +#endif + } + break; + + case EOB_ACT_CONTINUE_SCAN: + yy_c_buf_p = yytext + YY_MORE_ADJ; + break; + + case EOB_ACT_LAST_MATCH: +#ifdef __cplusplus + YY_FATAL_ERROR( "unexpected last match in yyinput()" ); +#else + YY_FATAL_ERROR( "unexpected last match in input()" ); +#endif + } + } + } + + c = *yy_c_buf_p; + yy_hold_char = *++yy_c_buf_p; + + return ( c ); + } + + +#ifdef YY_USE_PROTOS +void yyrestart( FILE *input_file ) +#else +void yyrestart( input_file ) +FILE *input_file; +#endif + + { + yy_init_buffer( yy_current_buffer, input_file ); + yy_load_buffer_state(); + } + + +#ifdef YY_USE_PROTOS +void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer ) +#else +void yy_switch_to_buffer( new_buffer ) +YY_BUFFER_STATE new_buffer; +#endif + + { + if ( yy_current_buffer == new_buffer ) + return; + + if ( yy_current_buffer ) + { + /* flush out information for old buffer */ + *yy_c_buf_p = yy_hold_char; + yy_current_buffer->yy_buf_pos = yy_c_buf_p; + yy_current_buffer->yy_n_chars = yy_n_chars; + } + + yy_current_buffer = new_buffer; + yy_load_buffer_state(); + + /* we don't actually know whether we did this switch during + * EOF (yywrap()) processing, but the only time this flag + * is looked at is after yywrap() is called, so it's safe + * to go ahead and always set it. + */ + yy_did_buffer_switch_on_eof = 1; + } + + +#ifdef YY_USE_PROTOS +void yy_load_buffer_state( void ) +#else +void yy_load_buffer_state() +#endif + + { + yy_n_chars = yy_current_buffer->yy_n_chars; + yytext = yy_c_buf_p = yy_current_buffer->yy_buf_pos; + yyin = yy_current_buffer->yy_input_file; + yy_hold_char = *yy_c_buf_p; + } + + +#ifdef YY_USE_PROTOS +YY_BUFFER_STATE yy_create_buffer( FILE *file, int size ) +#else +YY_BUFFER_STATE yy_create_buffer( file, size ) +FILE *file; +int size; +#endif + + { + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) malloc( sizeof( struct yy_buffer_state ) ); + + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (YY_CHAR *) malloc( (unsigned) (b->yy_buf_size + 2) ); + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + yy_init_buffer( b, file ); + + return ( b ); + } + + +#ifdef YY_USE_PROTOS +void yy_delete_buffer( YY_BUFFER_STATE b ) +#else +void yy_delete_buffer( b ) +YY_BUFFER_STATE b; +#endif + + { + if ( b == yy_current_buffer ) + yy_current_buffer = (YY_BUFFER_STATE) 0; + + free( (char *) b->yy_ch_buf ); + free( (char *) b ); + } + + +#ifdef YY_USE_PROTOS +void yy_init_buffer( YY_BUFFER_STATE b, FILE *file ) +#else +void yy_init_buffer( b, file ) +YY_BUFFER_STATE b; +FILE *file; +#endif + + { + b->yy_input_file = file; + + /* we put in the '\n' and start reading from [1] so that an + * initial match-at-newline will be true. + */ + + b->yy_ch_buf[0] = '\n'; + b->yy_n_chars = 1; + + /* we always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[2] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[1]; + + b->yy_eof_status = EOF_NOT_SEEN; + } +# line 382 "flatten.lx" + + /* START OF USER SUBROUTINE SECTION */ + + +/* MAIN program */ +main(argc, argv) +int argc; +char **argv; +{ + char optchar; + int n; + FILE *file; + int result; + int i, j; + char tabnam[100]; /* command table input file */ + int TABLE = FALSE; + + /* print banner */ + fprintf(stdout, "\n flatten: Source file inclusion for LaTeX files"); + fprintf(stdout, "\n (%s, %s)\n", FILE_VERSION, FILE_DATE); + + + /* open error log file */ + file = fopen("flatten.err", "w"); + if (!file) { + fprintf(stderr, "\n Could not open file flatten.err\n"); + exit(1); + } + filerr = file; + fprintf(stdout, "\nError file is flatten.err\n"); + fprintf(filerr, "Error file for program flatten (%s, %s)\n", + FILE_VERSION, FILE_DATE); + fprintf(filerr, "Author: Peter Wilson (Catholic University and NIST)\n"); + fprintf(filerr, "Email any comments or suggestions to pwilson@cme.nist.gov\n\n"); + + /* set up for directory searching */ + initialise_senv(); + + /* get command line optional parameters */ + opterr = 1; /* getopt will print errors with opterr = 1 */ + while (EOF != (optchar = + getopt(argc,argv,"d:f:P:D:"))) { + switch(optchar) { + case '?': { /* command line error */ + fprintf(stdout,"\nUsage [-d number] [-f tablename] [-P chars] [-D char] infile outfile\n"); + fprintf(filerr,"\nUsage [-d number] [-f tablename] [-P chars] [-D char] infile outfile\n"); + break; + } + case 'd': { /* switch on debugging */ + senv_debug = atoi(optarg); + if (senv_debug > 1) { /* debug everything */ + DEBUG = 1; + senv_debug = 1; + fprintf(stdout, "All debugging set ON\n"); + fprintf(filerr, "All debugging set ON\n"); + } + else if (senv_debug = 1) { /* debug directory search only */ + fprintf(stdout, "Directory search debugging set ON\n"); + fprintf(filerr, "Directory search debugging set ON\n"); + } + else { /* an error */ + senv_debug = 0; + fprintf(stdout, "Debug option error. Requires number greater than zero\n"); + fprintf(filerr, "Debug option error. Requires number greater than zero\n"); + } + break; + } + case 'f': { /* commands in a file */ + TABLE = TRUE; + strcpy(tabnam, optarg); + break; + } + case 'P': { /* pathname seperators */ + strcpy(path_sep, optarg); + strcat(path_sep, " "); + fprintf(stdout,"Pathname seperators set to (%s)\n", path_sep); + fprintf(filerr,"Pathname seperators set to (%s)\n", path_sep); + break; + } + case 'D': { /* directory catenation char */ + dir_cat = optarg[0]; + fprintf(stdout,"Directory catenation character set to %c\n", dir_cat); + fprintf(filerr,"Directory catenation character set to %c\n", dir_cat); + break; + } + } + } /* end of optional parameter processing */ + + if (TABLE) { /* open table file */ + if (!searchenv(tabnam, sys_envname, path_name, path_sep, dir_cat, senv_debug)) { + fprintf(stderr,"Fatal error: Could not find file %s\n", tabnam); + exit(1); + } + file = fopen(path_name, "r"); + if (!file) { + fprintf(stderr, "Fatal error: Could not open file %s\n", path_name); + exit(1); + } + filtabin = file; + fprintf(stdout, "Command input file is %s\n", path_name); + fprintf(filerr, "Command input file is %s\n", path_name); + } + else { + fprintf(stdout, "Using default inclusion commands\n"); + fprintf(filerr, "Using default inclusion commands\n"); + } + + /* rest of parameters are file names (input and output) */ + n = 0; + for (;optind < argc; optind++) { + n++; + if (n == 1) { + strcpy(filnam, argv[optind]); /* take copy of input file name */ + file = fopen(argv[optind], "r"); + if (!file) { + fprintf(stderr,"\nCould not open input file %s\n",argv[optind]); + fprintf(filerr,"\nCould not open input file %s\n",argv[optind]); + exit(1); + } + fprintf(stdout,"\nReading file %s", argv[optind]); + fprintf(filerr,"\nReading file %s", argv[optind]); + filin = file; + } + else { + if (n == 2) { + file = fopen(argv[optind], "w"); + if (!file) { + fprintf(stderr,"\nCould not open output file %s\n",argv[optind]); + fprintf(filerr,"\nCould not open output file %s\n",argv[optind]); + exit(1); + } + fprintf(stdout," and writing to file %s\n",argv[optind]); + fprintf(filerr," and writing to file %s\n",argv[optind]); + filout = file; + } + else { + fprintf(stderr,"\nOnly two files permitted. File %s ignored\n",argv[optind]); + fprintf(filerr,"\nOnly two files permitted. File %s ignored\n",argv[optind]); + } + } + } + if (n == 0) { + fprintf(stderr,"\nAn input and an output file are required.\n"); + fprintf(filerr,"\nAn input and an output file are required.\n"); + exit(1); + } + /* initialize file stacks */ + file_stack[0] = filin; + if (DEBUG) { + fprintf(stderr, "\n DEBUG: Source filnam = %s", filnam); + fprintf(filerr, "\n DEBUG: Source filnam = %s", filnam); + fflush(filerr); + } + name_stack[0] = strsave(filnam); + buffer_stack[0] = yy_create_buffer(filin, YY_BUF_SIZE); +/* strcpy(name_stack[0], filnam); */ + if (DEBUG) { + fprintf(stderr, "\n DEBUG: filnam = %s", filnam); + fprintf(stderr, "\n name_stack[0] = %s", name_stack[0]); + fprintf(filerr, "\n DEBUG: filnam = %s", filnam); + fprintf(filerr, "\n name_stack[0] = %s", name_stack[0]); + fflush(filerr); + } + for (i = 1; i < MAX_DEPTH; i++) { + file_stack[i] = NULL; + name_stack[i] = NULL; + } + + /* set up command table */ + if (TABLE) { /* read commands */ + read_table(); + } + else { /* use default commands */ + ctable[0] = "\\input"; + ctable[1] = "\\include"; + num_commands = 2; + } + if (DEBUG) { /* print table */ + fprintf(filerr, "\n COMMAND TABLE (%d commands)\n", num_commands); + for (j = 0; j < num_commands; j++) { + fprintf(filerr, "(%d) %s\n", j, ctable[j]); + } + fflush(filerr); + } + + /* process input */ + /* fprintf(filout, "File %s incorporates the following files:\n", name_stack[0]); */ + fprintf(filerr, "\nProcessing root source file %s", name_stack[depth]); + fprintf(stdout, "\nProcessing root source file %s", name_stack[depth]); + fflush(filerr); + + for (;;) { + /* yyin = file_stack[depth]; */ + if (file_stack[depth] == NULL) { + yyerror("FATAL ERROR: Null file name"); + exit(1); + } + yy_switch_to_buffer(buffer_stack[depth]); + result = yylex(); + if (DEBUG) { + fprintf(stderr, "\n DEBUG: Parse returned with result = %d",result); + fprintf(filerr, "\n DEBUG: Parse returned with result = %d",result); + fflush(filerr); + } + if (result == EOF) { /* end of current file */ + if (depth <= 0) { /* end of all files */ + fprintf(stdout, "\nEnd of root input file %s\n", name_stack[0]); + fprintf(filerr, "\nEnd of root input file %s\n", name_stack[0]); + fprintf(stdout, "\nCompleted file processing\n"); + fprintf(filerr, "\nCompleted file processing\n"); + packup(filin, filout, filerr); + return(0); + } + else { /* pop stacks */ + end_a_file(); + } + } + else { /* new file inclusion */ + start_a_file(filnam); + } + } /* end for loop */ +} /* end MAIN */ + + +/* ADDEXT adds a .tex extension to a file name */ +int addext(in, out) +char in[]; /* name as input */ +char out[]; /* name with .tex extension */ +{ + int i, n; + int period; + + period = FALSE; + for (i = 0; in[i] != MY_EOS; i++) { + out[i] = in[i]; + if (in[i] == '.') { + period = TRUE; + } + } + out[i] = MY_EOS; + if (period == FALSE) { + strcat(out, ".tex"); + } + return(period); +} /* end ADDEXT */ + +/* PACKUP closes 3 files */ +void packup(f1, f2, f3) +FILE *f1; +FILE *f2; +FILE *f3; +{ + fclose(f1); + fclose(f2); + fclose(f3); +} /* end PACKUP */ + + +/* STRSAVE saves a string somewhere */ +char *strsave(s) +char *s; /* string to be saved */ +{ + char *p, *malloc(); + + if ((p = malloc(strlen(s)+1)) != NULL) { + strcpy(p, s); + return(p); + } + else { + fprintf(stderr, "\nFATAL ERROR: Out of memory in STRSAVE\n"); + fprintf(filerr, "\nFATAL ERROR: Out of memory in STRSAVE\n"); + exit(1); + } +} /* end STRSAVE */ + + +/* YYERROR prints parse error message */ +void yyerror(s) +char *s; /* string to be printed */ +{ + fprintf(stderr, "\n%s in line\n%d: %s\n", s, lineno, linebuf); + fprintf(filerr, "\n%s in line\n%d: %s\n", s, lineno, linebuf); + num_errors++; + if (num_errors >= MAX_ERRORS) { + fprintf(stderr, "\n** Program ended with at least %d errors **\n", num_errors); + fprintf(filerr, "\n** Program ended with at least %d errors **\n", num_errors); + fprintf(yyout, "\n** Program ended with at least %d errors **\n", num_errors); + exit(1); + } +} /* end YYERROR */ + + +/* START_A_FILE starts a new input file */ +void start_a_file(filnam) +char filnam[]; /* name of file */ +{ + char extnam[MAX_NAME]; + FILE *file; + int i; + + addext(filnam, extnam); /* add extension to file name */ + if (depth >= MAX_DEPTH - 1) { + fprintf(stderr, "\n File nesting too deep (over %d)\n", MAX_DEPTH); + fprintf(filerr, "\n File nesting too deep (over %d)\n", MAX_DEPTH); + fflush(filerr); + packup(filin, filout, filerr); + exit(0); + } + if (!searchenv(extnam, sys_envname, path_name, path_sep, dir_cat, senv_debug)) { + fprintf(stderr,"\nCould not find file %s\n", extnam); + fprintf(filerr,"\nCould not find file %s\n", extnam); + fflush(filerr); + fprintf(filout, "\n%%FLATTEN WARNING: Could not find file %s\n", extnam); + fprintf(filout, "%% Skipping it\n"); + return; + } + file = fopen(path_name, "r"); + if (!file) { + fprintf(stderr, "\n Could not open file %s\n", path_name); + fprintf(filerr, "\n Could not open file %s\n", path_name); + fflush(filerr); + fprintf(filout, "\n%%FLATTEN WARNING: Could not open file %s\n", path_name); + fprintf(filout, "%% Skipping it\n"); + return; + } + depth++; + name_stack[depth] = strsave(path_name); + file_stack[depth] = file; + buffer_stack[depth] = yy_create_buffer(file, YY_BUF_SIZE); + if (DEBUG) { + fprintf(filerr, "\n DEBUG (start_a_file): depth = %d", depth); + fflush(filerr); + for (i = 0; i <= depth; i++) { + fprintf(filerr, "\n depth = %d, name_stack = %s", i, name_stack[i]); + } + fprintf(filerr, "\n DEBUG (start_a_file): New file is %s", name_stack[depth]); + fprintf(stdout, "\n DEBUG (start_a_file): New file is %s", name_stack[depth]); + fflush(filerr); + } + + fprintf(stdout, "\nProcessing file %s as %s", filnam, name_stack[depth]); + fprintf(filerr, "\nProcessing file %s as %s", filnam, name_stack[depth]); + fflush(filerr); + +} /* end START_A_FILE */ + + +/* END_A_FILE closes down a file */ +void end_a_file() +{ + int i; + + fprintf(filout, "%% END OF FILE %s\n", name_stack[depth]); + fprintf(stdout, "\n End of file %s", name_stack[depth]); + fprintf(filerr, "\n End of file %s", name_stack[depth]); + fflush(filerr); + if (DEBUG) { + fprintf(filerr, "\n DEBUG (end_a_file): depth = %d", depth); + for (i = 0; i <= depth; i++) { + fprintf(filerr, "\n depth = %d, name_stack = %s", i, name_stack[i]); + fflush(filerr); + } + fprintf(filerr, "\n DEBUG (end_a_file): Old file was %s", name_stack[depth]); + fprintf(stdout, "\n DEBUG (end_a_file): Old file was %s", name_stack[depth]); + fflush(filerr); + } + + /* pop stack */ + fclose(file_stack[depth]); + file_stack[depth] = NULL; + free(name_stack[depth]); + name_stack[depth] = NULL; + yy_delete_buffer(buffer_stack[depth]); + depth--; + if (depth < 0) { + yyerror("Nesting depth gone negative"); + depth = 0; + } +} /* end END_A_FILE */ + + +/* WARNING prints a warning */ +void warning(s) +char *s; +{ + fprintf(stderr, "\nWARNING: %s in line\n%d: %s\n", s, lineno, linebuf); + fprintf(filerr, "\nWARNING: %s in line\n%d: %s\n", s, lineno, linebuf); + fflush(filerr); +} /* end WARNING */ + + +/* CATL concatenates S to line buffer */ +void catl(n,s) +int n; /* no of chars in s */ +char *s; +{ + linlen = linlen + n; /* current no. of chars to be in linebuf */ + if (linlen >= MAX_LINE) { /* linebuf will overflow */ + warning("A very long line. Internal buffer size exceeded"); + linebuf[0] = '\0'; + linlen = n; + } + strcat(linebuf, s); +} /* end CATL */ + + +/* READ_TABLE sets up commands from filtabin */ +void read_table() +{ + char line[MAX_TABLE_LINE]; + char code_name[MAX_TABLE_LINE]; + int num_names; + + while ( fgets(line, MAX_TABLE_LINE, filtabin) != NULL) { /* read a line */ + /* get first name on line */ + num_names = sscanf(line, "%s", code_name); + if (num_names == 0) { /* ignore blank line */ + ; + } + else { /* add to table */ + if (num_commands >= MAX_COMMANDS) { /* overflow */ + fprintf(stderr, "\nWARNING Too many commands, limited to %d\n", MAX_COMMANDS); + fprintf(filerr, "\nWARNING Too many commands, limited to %d\n", MAX_COMMANDS); + fflush(filerr); + return; + } + ctable[num_commands] = strsave(code_name); + num_commands++; + } + } +} /* end READ_TABLE */ + + +/* LOOKUP searches for str in ctable */ +int lookup(str) +char str[]; +{ + int i; + + for (i = 0; i < num_commands; i++) { + if (strcmp(ctable[i], str) == 0) { /* found it */ + return(i); + } + } + return(-1); +} /* end LOOKUP */ + + +/* INITIALISE_SENV initialises path searching */ +void initialise_senv() +{ + strcpy(sys_envname,"FLATINPUTS"); /* the environment variable name */ + strcpy(path_sep," :;"); /* path seperators */ + dir_cat = '/'; /* directory catenation char */ + senv_debug = 0; /* debugging off */ +} /* end INITIALISE_SENV */
\ No newline at end of file |