/* 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 /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */ #ifdef c_plusplus #ifndef __cplusplus #define __cplusplus #endif #endif #ifdef __cplusplus #include #include /* 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 void *malloc( size_t ); void free( void* ); #else #include #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 "l2x.l" #define INITIAL 0 # line 2 "l2x.l" /* * l2x.l --- (flex) lexer for converting a LaTeX file to X * Written by Peter Wilson (Catholic University and NIST) * Version 0.2, January 1995 * Revised July 1996 * -- replace myprint(tag) by tag_print(tag) * -- added verb(atim) like capability */ /* Development of this software was funded by the United States Government, * and is not subject to copyright. */ #include #ifndef STRTYPES_H #include "strtypes.h" #endif #ifndef L2XCOM_H #include "l2xcom.h" #endif #include "l2xytab.h" /* token codes from parser */ #include "l2xlib.h" /* functions and global variables */ #include "l2xusrlb.h" /* possibly useful strings and user-defined functions */ extern int opt_param; extern int all_opt; extern int opt_coord; int got_opt_item = FALSE; int got_a_dollar = FALSE; int got_opt_param = FALSE; int got_all_opt = FALSE; int got_opt_coord = FALSE; char verb_char; /* delimeter for \verb command */ int result; int kind; int special_kind; PSENTRY ptr; /* pointer to sym entry */ int nl_count = 0; /* number of consecutive new lines */ char a_newline[] = "\n"; char a_space[] = " "; char vlenv[80]; /* name of verbatim-like environment */ int nopen_vbrace = 0; /* no of unmatched open braces after verb-like command */ int nopen_noop = 0; /* no of unmatched openers for no_op argument */ #define NOOPLBRAK 1 #define NOOPRBRAK 1 #define NOOPLBRACE 2 #define NOOPRBRACE 2 int noop_openc; /* noop argument opening character ( [ or { )*/ #define LDA -1 #define LD0 0 #define LD1 1 #define LD2 2 #define LD3 3 #define LD4 4 #define LD5 5 #define LD6 6 /* * LDEBUG > LDA: error prints: * > LD0: names not in command table * > LD1: newlines, returned useful tokens * > LD2: general tokens * > LD3: text dealt with in lexer * > LD4: comments * > LD5: stuff within verbatims * > LD6: * */ /* whitespace and comments */ /* TeX comments from % through eol + any following whitespace */ /* general REs */ /* (La)TeX literals */ /* general LaTeX commands */ /* list items */ #define VERBATIM_STATE 1 #define VERB_STATE 2 #define VERBATIM_LIKE 3 #define VERB_LIKE 4 #define NOOP 5 # line 122 "l2x.l" /* 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 57 typedef int yy_state_type; static const short int yy_accept[171] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 57, 55, 52, 53, 38, 39, 44, 40, 50, 51, 49, 55, 55, 47, 45, 46, 36, 55, 37, 43, 42, 34, 35, 41, 7, 5, 6, 10, 11, 18, 17, 18, 15, 14, 12, 13, 24, 23, 20, 22, 19, 21, 52, 53, 53, 0, 1, 0, 47, 48, 48, 46, 46, 29, 28, 27, 31, 29, 31, 31, 31, 31, 7, 0, 0, 1, 48, 31, 0, 30, 31, 31, 31, 31, 0, 0, 31, 31, 31, 31, 0, 0, 31, 0, 0, 25, 31, 0, 0, 0, 0, 31, 0, 0, 0, 25, 26, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 33, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0, 0, 0, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 8, 0, 0, 0, 2, 0, 0, 4, 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, 4, 1, 1, 5, 6, 7, 8, 1, 9, 10, 11, 1, 12, 13, 14, 1, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 16, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 18, 19, 20, 21, 22, 1, 23, 24, 25, 26, 27, 17, 28, 17, 29, 17, 17, 17, 30, 31, 32, 17, 17, 33, 17, 34, 35, 36, 17, 17, 17, 17, 37, 1, 38, 39, 1 } ; static const YY_CHAR yy_meta[40] = { 0, 1, 2, 3, 2, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 5, 1, 3, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1 } ; static const short int yy_base[183] = { 0, 0, 0, 37, 38, 365, 362, 39, 40, 41, 43, 45, 48, 364, 438, 50, 43, 438, 438, 360, 438, 438, 438, 438, 35, 346, 46, 438, 349, 438, 86, 438, 438, 438, 438, 438, 438, 0, 438, 330, 438, 438, 438, 438, 329, 438, 438, 438, 438, 438, 438, 438, 438, 438, 438, 67, 60, 70, 350, 71, 336, 62, 330, 300, 438, 285, 438, 438, 438, 281, 124, 116, 118, 119, 120, 0, 258, 257, 130, 259, 438, 134, 438, 56, 122, 128, 126, 247, 246, 129, 140, 130, 139, 150, 160, 135, 163, 166, 167, 200, 238, 241, 242, 170, 245, 177, 246, 239, 171, 438, 438, 274, 259, 250, 242, 178, 249, 257, 254, 274, 279, 438, 243, 234, 291, 309, 438, 312, 316, 234, 238, 229, 239, 317, 320, 438, 237, 222, 211, 176, 163, 172, 168, 160, 163, 168, 159, 159, 159, 150, 149, 146, 130, 128, 321, 324, 122, 25, 328, 438, 329, 332, 438, 335, 338, 339, 438, 342, 348, 438, 438, 386, 391, 396, 401, 406, 411, 413, 418, 420, 424, 428, 432 } ; static const short int yy_def[183] = { 0, 170, 1, 171, 171, 172, 172, 173, 173, 174, 174, 175, 175, 170, 170, 170, 170, 170, 170, 176, 170, 170, 170, 170, 170, 170, 170, 170, 177, 170, 170, 170, 170, 170, 170, 170, 170, 178, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 176, 170, 170, 170, 170, 170, 170, 177, 170, 170, 170, 179, 170, 179, 179, 179, 179, 178, 170, 170, 170, 170, 170, 170, 170, 179, 179, 179, 179, 170, 170, 179, 179, 179, 179, 170, 170, 179, 170, 180, 179, 170, 170, 170, 170, 181, 90, 180, 180, 106, 170, 170, 170, 99, 179, 170, 170, 181, 181, 170, 182, 170, 170, 170, 106, 170, 170, 170, 170, 182, 182, 128, 128, 106, 170, 170, 170, 170, 128, 128, 106, 170, 128, 128, 106, 170, 128, 128, 106, 170, 128, 128, 106, 170, 128, 128, 106, 170, 128, 128, 170, 170, 170, 170, 170, 128, 128, 170, 170, 170, 170, 170, 0, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170 } ; static const short int yy_nxt[478] = { 0, 14, 15, 16, 15, 17, 18, 19, 20, 21, 22, 14, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 34, 35, 36, 38, 38, 43, 43, 46, 57, 46, 57, 50, 60, 61, 50, 55, 56, 55, 164, 39, 39, 44, 44, 63, 61, 57, 51, 57, 52, 51, 80, 52, 55, 56, 55, 57, 78, 57, 78, 63, 61, 47, 48, 47, 48, 53, 54, 89, 53, 54, 66, 66, 67, 68, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 69, 66, 70, 66, 66, 66, 69, 71, 69, 69, 72, 69, 73, 69, 69, 69, 69, 69, 69, 74, 66, 66, 66, 81, 80, 81, 80, 80, 80, 78, 80, 78, 82, 81, 80, 81, 80, 80, 80, 96, 83, 96, 82, 80, 86, 90, 84, 80, 80, 100, 85, 100, 91, 163, 157, 95, 92, 98, 156, 102, 99, 102, 96, 104, 96, 105, 108, 105, 108, 115, 108, 115, 108, 155, 97, 80, 105, 115, 105, 115, 154, 153, 109, 152, 101, 151, 109, 150, 149, 107, 148, 147, 146, 145, 103, 144, 143, 97, 110, 110, 107, 110, 110, 110, 110, 110, 110, 110, 111, 110, 110, 110, 110, 110, 112, 110, 110, 110, 110, 110, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 110, 110, 110, 100, 142, 100, 113, 102, 113, 102, 117, 119, 117, 119, 124, 113, 124, 113, 141, 127, 120, 127, 117, 125, 117, 140, 139, 138, 137, 136, 132, 131, 123, 80, 122, 94, 93, 79, 101, 119, 114, 119, 103, 129, 119, 118, 119, 121, 110, 114, 126, 88, 87, 130, 110, 80, 124, 118, 124, 64, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 124, 121, 124, 127, 79, 127, 121, 133, 133, 133, 133, 133, 158, 133, 158, 160, 134, 160, 126, 158, 160, 158, 160, 160, 161, 160, 165, 129, 165, 167, 165, 167, 165, 167, 62, 167, 126, 130, 168, 167, 62, 167, 59, 135, 135, 77, 76, 135, 159, 64, 62, 162, 59, 170, 41, 159, 162, 41, 170, 162, 170, 170, 166, 170, 170, 169, 166, 170, 170, 169, 170, 170, 170, 170, 170, 169, 37, 37, 37, 37, 37, 40, 40, 40, 40, 40, 42, 42, 42, 42, 42, 45, 45, 45, 45, 45, 49, 49, 49, 49, 49, 58, 58, 58, 58, 58, 65, 65, 75, 75, 170, 75, 75, 69, 69, 106, 170, 170, 106, 116, 170, 170, 116, 128, 170, 170, 128, 13, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170 } ; static const short int yy_chk[478] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 4, 7, 8, 9, 16, 10, 16, 11, 24, 24, 12, 15, 15, 15, 157, 3, 4, 7, 8, 26, 26, 56, 11, 56, 11, 12, 83, 12, 55, 55, 55, 57, 59, 57, 59, 61, 61, 9, 9, 10, 10, 11, 11, 83, 12, 12, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 70, 71, 70, 72, 73, 74, 78, 84, 78, 70, 81, 86, 81, 85, 89, 91, 90, 71, 90, 81, 95, 74, 84, 72, 92, 90, 93, 73, 93, 85, 156, 153, 89, 86, 91, 152, 94, 92, 94, 96, 95, 96, 97, 98, 97, 98, 103, 108, 103, 108, 151, 90, 98, 105, 115, 105, 115, 150, 149, 98, 148, 93, 147, 108, 146, 145, 97, 144, 143, 142, 141, 94, 140, 139, 96, 99, 99, 105, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 100, 138, 100, 101, 102, 101, 102, 104, 106, 104, 106, 116, 113, 116, 113, 137, 118, 106, 118, 117, 116, 117, 136, 132, 131, 130, 129, 123, 122, 114, 112, 107, 88, 87, 79, 100, 119, 101, 119, 102, 118, 120, 104, 120, 106, 111, 113, 116, 77, 76, 118, 111, 69, 124, 117, 124, 65, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 125, 119, 125, 127, 63, 127, 120, 128, 133, 128, 133, 134, 154, 134, 154, 155, 128, 155, 124, 158, 160, 158, 160, 161, 155, 161, 163, 127, 163, 164, 165, 164, 165, 167, 62, 167, 125, 127, 164, 168, 60, 168, 58, 128, 133, 44, 39, 134, 154, 28, 25, 155, 19, 13, 6, 158, 160, 5, 0, 161, 0, 0, 163, 0, 0, 164, 165, 0, 0, 167, 0, 0, 0, 0, 0, 168, 171, 171, 171, 171, 171, 172, 172, 172, 172, 172, 173, 173, 173, 173, 173, 174, 174, 174, 174, 174, 175, 175, 175, 175, 175, 176, 176, 176, 176, 176, 177, 177, 178, 178, 0, 178, 178, 179, 179, 180, 0, 0, 180, 181, 0, 0, 181, 182, 0, 0, 182, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170 } ; 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; /*------------ Comments plus start and end document ---------------*/ 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 >= 171 ) yy_c = yy_meta[yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; ++yy_cp; } while ( yy_current_state != 170 ); 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 126 "l2x.l" { if (LDEBUG > LD4) { print_debug_2s("(tex_comment):", yytext); } catl(yyleng, yytext); do_newline(); if (leave_comments) { /* leave in comments */ myprint(yytext); } } YY_BREAK /* \begin{document} */ case 2: # line 139 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(t_BEGIN_DOCUMENT):", yytext); } yylval.pos = get_mode_sym(pos_bdoc); return(BEGIN_DOCUMENT); } YY_BREAK /* end of document \end{document} */ case 3: # line 149 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(t_END_DOCUMENT):", yytext); } yylval.pos = get_mode_sym(pos_edoc); return(END_DOCUMENT); } YY_BREAK /*----------------- verbatims -----------------------------------------*/ /* Do most of the processing in the lexer */ /* but pass token back to parser anyway */ /* \begin{verbatim} */ case 4: # line 166 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(begin{verbatim}):", yytext); } BEGIN VERBATIM_STATE; yylval.pos = get_mode_sym(pos_bvbm); bverb = TRUE; return(BEGIN_VERBATIM); } YY_BREAK /* newline */ case 5: # line 177 "l2x.l" { catl(yyleng, yytext); do_newline(); if (LDEBUG > LD3) { print_debug_2s("(newline in verbatim):", yytext); } verbatim_print(yytext); } YY_BREAK /* backslash */ case 6: # line 185 "l2x.l" { catl(yyleng, yytext); if (LDEBUG > LD5) { print_to_err(yytext); } verbatim_print(yytext); } YY_BREAK /* any characters other than newline and backslash */ case 7: # line 192 "l2x.l" { catl(yyleng, yytext); if (LDEBUG > LD5) { print_to_err(yytext); } verbatim_print(yytext); } YY_BREAK /* \end{verbatim} */ case 8: # line 199 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(end{verbatim}):", yytext); } BEGIN 0; yylval.pos = get_mode_sym(pos_evbm); return(END_VERBATIM); } YY_BREAK /* \verb (and its trailing character) */ case 9: # line 210 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(verb):", yytext); } BEGIN VERB_STATE; verb_char = yytext[yyleng-1]; yylval.pos = get_mode_sym(pos_bv); return(BEGIN_VERB); } YY_BREAK /* chars inside \verb */ case 10: # line 222 "l2x.l" { catl(yyleng, yytext); if (LDEBUG > LD5) { print_to_err(yytext); } if (verb_char != yytext[0] ) { myprint(yytext); } else { /* end of verb environment */ BEGIN 0; yylval.pos = get_mode_sym(pos_ev); return(END_VERB); } } YY_BREAK /* newlines not allowed within verb */ case 11: # line 237 "l2x.l" { catl(yyleng, yytext); nl_count++; if (LDEBUG > LD5) { print_to_err(yytext); } BEGIN 0; yyerror("Error: \"verb\" ended by a newline"); do_newline(); myprint(a_newline); yylval.pos = get_mode_sym(pos_ev); return(END_VERB); } YY_BREAK /* VERB LIKE command stuff */ /* { (open brace) */ case 12: # line 252 "l2x.l" { catl(yyleng, yytext); nopen_vbrace++; if (LDEBUG > LD5) { print_to_err(yytext); } if (nopen_vbrace == 1) { /* start of argument */ yylval.pos = get_mode_sym(pos_lbrace); return(LBRACE); } else { /* part of argument */ verbatim_print(yytext); } } YY_BREAK /* } (close brace) */ case 13: # line 267 "l2x.l" { catl(yyleng, yytext); nopen_vbrace--; if (LDEBUG > LD5) { print_to_err(yytext); } if (nopen_vbrace == 0) { /* end of argument */ BEGIN 0; /* change state */ yylval.pos = get_mode_sym(pos_rbrace); return(RBRACE); } else { /* part of argument */ verbatim_print(yytext); } } YY_BREAK /* newline */ case 14: # line 283 "l2x.l" { catl(yyleng, yytext); do_newline(); if (LDEBUG > LD3) { print_debug_2s("(newline in verb-like):", yytext); } verbatim_print(yytext); } YY_BREAK /* any other character */ case 15: # line 292 "l2x.l" { catl(yyleng, yytext); if (LDEBUG > LD5) { print_to_err(yytext); } verbatim_print(yytext); } YY_BREAK /* VERBATIM LIKE environment stuff */ /* \end{something} */ case 16: # line 303 "l2x.l" { catl (yyleng, yytext); nl_count = 0; get_env_name(yytext); if (strcmp(vlenv, env_name) == 0) { /* close verbatim like */ if (LDEBUG > LD1) { print_debug_2s("(end):", yytext); print_debug_2s("env_name= ", env_name); } result = lookup_entry(env_name, END_VENV); if (result > 0) { /* found it */ ptr = get_mode_sym(result); yylval.pos = ptr; kind = command_type(ptr); BEGIN 0; return(kind); } else { /* got problems, end env name not in table */ warning_3s("END_VENV",env_name,"not in command table. Expect input/output errors from now on"); BEGIN 0; verbatim_print(yytext); } } else { /* not end of verbatim-like env */ verbatim_print(yytext); } } YY_BREAK /* newline */ case 17: # line 331 "l2x.l" { catl(yyleng, yytext); do_newline(); if (LDEBUG > LD3) { print_debug_2s("(newline in verbatim-like):", yytext); } verbatim_print(yytext); } YY_BREAK /* any other character */ case 18: # line 340 "l2x.l" { catl(yyleng, yytext); if (LDEBUG > LD5) { print_to_err(yytext); } verbatim_print(yytext); } YY_BREAK /*---------------------------No Op processing---------------------------*/ /* open brace */ case 19: # line 350 "l2x.l" { catl(yyleng, yytext); if (LDEBUG > LD5) { print_to_err(yytext); } if (noop_openc == NOOPLBRACE) { nopen_noop++; } } YY_BREAK /* open bracket */ case 20: # line 360 "l2x.l" { catl(yyleng, yytext); if (LDEBUG > LD5) { print_to_err(yytext); } if (noop_openc == NOOPLBRAK) { nopen_noop++; } } YY_BREAK /* close brace */ case 21: # line 370 "l2x.l" { catl(yyleng, yytext); if (LDEBUG > LD5) { print_to_err(yytext); } if (noop_openc == NOOPLBRACE) { nopen_noop--; if (nopen_noop <= 0) { if (LDEBUG > LD3) { print_to_err("(Closing NO_OP on brace)"); } nopen_noop = 0; in_noop = FALSE; start_noop = FALSE; BEGIN 0; yylval.pos = get_mode_sym(pos_rbrace); return(RBRACE); } } } YY_BREAK /* close bracket */ case 22: # line 391 "l2x.l" { catl(yyleng, yytext); if (LDEBUG > LD5) { print_to_err(yytext); } if (noop_openc == NOOPLBRAK) { nopen_noop--; if (nopen_noop <= 0) { if (LDEBUG > LD3) { print_to_err("(Closing NO_OP on bracket)"); } nopen_noop = 0; in_noop = FALSE; start_noop = FALSE; BEGIN 0; got_opt_param = FALSE; return(END_ANOPT); } } } YY_BREAK /* newline */ case 23: # line 413 "l2x.l" { catl(yyleng, yytext); do_newline(); if (LDEBUG > LD3) { print_debug_2s("(newline in a no op):", yytext); } } YY_BREAK /* any other character */ case 24: # line 421 "l2x.l" { catl(yyleng, yytext); if (LDEBUG > LD5) { print_to_err(yytext); } } YY_BREAK /*----------------------------Default processing------------------------*/ /*----------------------- list items ---------------------------*/ /* item */ case 25: # line 432 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(t_ITEM):", yytext); } return(ITEM); } YY_BREAK /* item[ */ case 26: # line 441 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(t_ITEM_AND_BRAK):", yytext); } got_opt_item = TRUE; return(ITEM_AND_BRAK); } YY_BREAK /*------------------------------ commands ------------------------------*/ /* (La)TeX backslash followed by a single space */ case 27: # line 454 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD4) { print_debug_2s("(slashspace):", yytext); } /* 6/96 change myprint to tag_print */ ptr = get_mode_sym(pos_bss); tag_print(get_t(ptr)); tag_print(get_et(ptr)); } YY_BREAK /* (La)TeX backslash followed by a newline */ case 28: # line 465 "l2x.l" { catl(yyleng, yytext); nl_count++; yylval.string = strsave(yytext); do_newline(); if (LDEBUG > LD1) { fprintf(filerr, "\n LD(slashnewline): next line is %d\n", lineno); fflush(filerr); } ptr = get_mode_sym(pos_bss); tag_print(get_t(ptr)); tag_print(get_et(ptr)); if (!pretty_print) { myprint(a_newline); } } YY_BREAK /* \one non-alphabetic character */ case 29: # line 482 "l2x.l" {catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(char_command):", yytext); } result = lookup_entry(yytext, CHAR_COMMAND); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); kind = command_type(ptr); yylval.pos = ptr; return(kind); } else { yylval.string = strsave(yytext); if (LDEBUG > LD1) { print_debug_1s("(as t_OTHER_COMMAND)"); } if (LDEBUG > LD0) { print_debug_undef(yylval.string, " (as CHAR_COMMAND)"); } return(OTHER_COMMAND); } } YY_BREAK /* special processing for \\* command */ case 30: # line 507 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(char_command):", yytext); } result = lookup_entry("\\\\", CHAR_COMMAND); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); kind = command_type(ptr); yylval.pos = ptr; return(kind); } else { yylval.string = strsave(yytext); if (LDEBUG > LD1) { print_debug_1s("(as t_OTHER_COMMAND)"); } if (LDEBUG > LD0) { print_debug_undef(yylval.string, " (as CHAR_COMMAND)"); } return(OTHER_COMMAND); } } YY_BREAK /* a command \something or \something* */ case 31: # line 534 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(command):", yytext); } result = lookup_entry(yytext, DONT_CARE); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); kind = command_type(ptr); yylval.pos = ptr; switch (get_user_type(ptr)) { case SPECIAL_COMMAND: { special_kind = get_special_token(ptr); if (special_kind == COMMAND) { warning_3s("SPECIAL_COMMAND",yytext,"not yet implemented"); } if (special_kind >= MIN_CODE_SPECIAL) { return(kind); } else { return(special_kind); } break; } case SPECIAL_SECTIONING: { special_kind = get_special_token(ptr); if (special_kind == COMMAND) { warning_3s("SPECIAL_SECTIONING",yytext,"not yet implemented"); } if (special_kind >= MIN_CODE_SPECIAL) { return(kind); } else { return(special_kind); } break; } case VCOMMAND: { /* verb-like */ BEGIN VERB_LIKE; nopen_vbrace = 0; break; } } /* end switch */ return(kind); } else { yylval.string = strsave(yytext); if (LDEBUG > LD1) { print_debug_1s("(as t_OTHER_COMMAND)"); } if (LDEBUG > LD0) { print_debug_undef(yylval.string, " (as a command type)"); } return(OTHER_COMMAND); } } YY_BREAK /*-------------------- Environments ---------------------------*/ /* \begin{something} */ case 32: # line 595 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(begin):", yytext); } get_env_name(yytext); if (LDEBUG > LD1) { print_debug_2s("env_name= ", env_name); } result = lookup_entry(env_name, BEGIN_ENV); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); yylval.pos = ptr; kind = command_type(ptr); return(kind); } result = lookup_entry(env_name, BEGIN_LIST_ENV); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); yylval.pos = ptr; kind = command_type(ptr); return(kind); } result = lookup_entry(env_name, BEGIN_PICTURE_CC); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); yylval.pos = ptr; kind = command_type(ptr); return(kind); } result = lookup_entry(env_name, BEGIN_VENV); if (result >= 0) { /* found it */ BEGIN VERBATIM_LIKE; /* switch into verbatim-like mode */ bverb = TRUE; strcpy(vlenv, env_name); /* remember environment name */ ptr = get_mode_sym(result); yylval.pos = ptr; kind = command_type(ptr); return(kind); } result = lookup_entry(env_name, SPECIAL_BEGIN_ENV); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); yylval.pos = ptr; special_kind = get_special_token(ptr); if (special_kind == COMMAND) { warning_3s("SPECIAL_BEGIN_ENV",env_name,"not yet implemented"); } if (special_kind >= MIN_CODE_SPECIAL) { return(command_type(ptr)); } else { return(special_kind); } } result = lookup_entry(env_name, SPECIAL_BEGIN_LIST); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); yylval.pos = ptr; special_kind = get_special_token(ptr); if (special_kind == COMMAND) { warning_3s("SPECIAL_BEGIN_LIST",env_name,"not yet implemented"); } if (special_kind >= MIN_CODE_SPECIAL) { return(command_type(ptr)); } else { return(special_kind); } } yylval.string = strsave(yytext); if (LDEBUG > LD1) { print_debug_1s("(as t_OTHER_BEGIN)"); } if (LDEBUG > LD0) { print_debug_undef(yylval.string, " (as begin something)"); } return(OTHER_BEGIN); } YY_BREAK /* \end{something} */ case 33: # line 676 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(end):", yytext); } get_env_name(yytext); if (LDEBUG > LD1) { print_debug_2s("env_name= ", env_name); } result = lookup_entry(env_name, END_ENV); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); yylval.pos = ptr; kind = command_type(ptr); return(kind); } result = lookup_entry(env_name, END_LIST_ENV); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); yylval.pos = ptr; kind = command_type(ptr); return(kind); } result = lookup_entry(env_name, END_PICTURE); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); yylval.pos = ptr; kind = command_type(ptr); return(kind); } result = lookup_entry(env_name, SPECIAL_END_ENV); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); yylval.pos = ptr; special_kind = get_special_token(ptr); if (special_kind == COMMAND) { warning_3s("SPECIAL_END_ENV",env_name,"not yet implemented"); } if (special_kind >= MIN_CODE_SPECIAL) { return(command_type(ptr)); } else { return(special_kind); } } result = lookup_entry(env_name, SPECIAL_END_LIST); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); yylval.pos = ptr; special_kind = get_special_token(ptr); if (special_kind == COMMAND) { warning_3s("SPECIAL_END_ENV",env_name,"not yet implemented"); } if (special_kind >= MIN_CODE_SPECIAL) { return(command_type(ptr)); } else { return(special_kind); } } yylval.string = strsave(yytext); if (LDEBUG > LD1) { print_debug_1s("(as t_OTHER_END)"); } if (LDEBUG > LD0) { print_debug_undef(yylval.string, " (as end something)"); } return(OTHER_END); } YY_BREAK /*--------------------- Miscellaneous stuff -----------------------*/ /* an open brace { */ case 34: # line 751 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(t_LBRACE):", yytext); } if (start_noop) { if (LDEBUG > LD3) { print_to_err("(Starting NO_OP on brace)"); } start_noop = FALSE; in_noop = TRUE; nopen_noop = 1; noop_openc = NOOPLBRACE; BEGIN NOOP; } yylval.pos = get_mode_sym(pos_lbrace); return(LBRACE); } YY_BREAK /* a close brace } */ case 35: # line 771 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(t_RBRACE):", yytext); } yylval.pos = get_mode_sym(pos_rbrace); return(RBRACE); } YY_BREAK /* an open bracket [ */ case 36: # line 781 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(t_LBRAK):", yytext); } if (opt_param) { got_opt_param = TRUE; opt_param = FALSE; if (start_noop) { if (LDEBUG > LD3) { print_to_err("(Starting NO_OP on bracket)"); } start_noop = FALSE; in_noop = TRUE; noop_openc = NOOPLBRAK; BEGIN NOOP; } return(START_ANOPT); } else if (all_opt) { got_all_opt = TRUE; all_opt = FALSE; return(START_ALLOPT); } else { return(LBRAK); } } YY_BREAK /* a close bracket ] */ case 37: # line 811 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(t_RBRAK):", yytext); } if (got_opt_item) { got_opt_item = FALSE; return(END_ITEM_BRAK); } else if (got_opt_param) { got_opt_param = FALSE; return(END_ANOPT); } else if (got_all_opt) { got_all_opt = FALSE; return(END_ALLOPT); } else { return(RBRAK); } } YY_BREAK /*------------------- Special characters ----------------------*/ /* a naked hash # */ case 38: # line 836 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(hash):", yytext); } result = lookup_entry(yytext, TEX_CHAR); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); kind = command_type(ptr); yylval.pos = ptr; return(kind); } else { yylval.string = strsave(yytext); if (LDEBUG > LD1) { print_debug_1s("(as t_OTHER)"); } if (LDEBUG > LD0) { print_debug_undef(yylval.string, " (as a special character)"); } return(OTHER); } } YY_BREAK /* a naked dollar $ */ case 39: # line 861 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(dollar):", yytext); if (got_a_dollar) { print_debug_1s("(as t_END_DOLLAR)"); } else { print_debug_1s("(as t_BEGIN_DOLLAR)"); } } if (got_a_dollar) { /* a 'closing' $ */ got_a_dollar = FALSE; yylval.pos = get_mode_sym(pos_edol); return(END_DOLLAR); } else { /* an 'opening' $ */ got_a_dollar = TRUE; yylval.pos = get_mode_sym(pos_bdol); return(BEGIN_DOLLAR); } } YY_BREAK /* a naked ampersand & */ case 40: # line 881 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(ampersand):", yytext); } result = lookup_entry(yytext, TEX_CHAR); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); kind = command_type(ptr); yylval.pos = ptr; return(kind); } else { yylval.string = strsave(yytext); if (LDEBUG > LD1) { print_debug_1s("(as t_OTHER)"); } if (LDEBUG > LD0) { print_debug_undef(yylval.string, " (as a special character)"); } return(OTHER); } } YY_BREAK /* a naked twiddle ~ */ case 41: # line 907 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(twiddle):", yytext); } result = lookup_entry(yytext, TEX_CHAR); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); yylval.pos = ptr; kind = command_type(ptr); return(kind); } else { yylval.string = strsave(yytext); if (LDEBUG > LD1) { print_debug_1s("(as t_OTHER)"); } if (LDEBUG > LD0) { print_debug_undef(yylval.string, " (as a special character)"); } return(OTHER); } } YY_BREAK /* a naked underscore _ */ case 42: # line 932 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(underscore):", yytext); } result = lookup_entry(yytext, TEX_CHAR); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); yylval.pos = ptr; kind = command_type(ptr); return(kind); } else { yylval.string = strsave(yytext); if (LDEBUG > LD1) { print_debug_1s("(as t_OTHER)"); } if (LDEBUG > LD0) { print_debug_undef(yylval.string, " (as a special character)"); } return(OTHER); } } YY_BREAK /* a naked caret ^ */ case 43: # line 957 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(caret):", yytext); } result = lookup_entry(yytext, TEX_CHAR); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); yylval.pos = ptr; kind = command_type(ptr); return(kind); } else { yylval.string = strsave(yytext); if (LDEBUG > LD1) { print_debug_1s("(as t_OTHER)"); } if (LDEBUG > LD0) { print_debug_undef(yylval.string, " (as a special character)"); } return(OTHER); } } YY_BREAK /* a naked percent % */ case 44: # line 982 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(percent):", yytext); } result = lookup_entry(yytext, TEX_CHAR); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); yylval.pos = ptr; kind = command_type(ptr); return(kind); } else { yylval.string = strsave(yytext); if (LDEBUG > LD1) { print_debug_1s("(as t_OTHER)"); } if (LDEBUG > LD0) { print_debug_undef(yylval.string, " (as a special character)"); } return(OTHER); } } YY_BREAK /* a naked at @ */ case 45: # line 1007 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD1) { print_debug_2s("(at):", yytext); } result = lookup_entry(yytext, TEX_CHAR); if (result >= 0) { /* found it */ ptr = get_mode_sym(result); yylval.pos = ptr; kind = command_type(ptr); return(kind); } else { yylval.string = strsave(yytext); if (LDEBUG > LD1) { print_debug_1s("(as t_OTHER)"); } if (LDEBUG > LD0) { print_debug_undef(yylval.string, " (as a special character)"); } return(OTHER); } } YY_BREAK /* name (alphabetic string(*) ) */ case 46: # line 1034 "l2x.l" { catl(yyleng, yytext); nl_count = 0; yylval.string = strsave(yytext); if (LDEBUG > LD1) { print_debug_2s("(t_NAME):", yytext); } return(NAME); } YY_BREAK /* integer (digit string) */ case 47: # line 1044 "l2x.l" { catl(yyleng, yytext); nl_count = 0; yylval.string = strsave(yytext); if (LDEBUG > LD2) { print_debug_2s("(t_INTEGER):", yytext); } return(INTEGER); } YY_BREAK /* real (digits with one period) */ case 48: # line 1054 "l2x.l" { catl(yyleng, yytext); nl_count = 0; yylval.string = strsave(yytext); if (LDEBUG > LD2) { print_debug_2s("(t_REAL):", yytext); } return(REAL); } YY_BREAK /* a comma */ case 49: # line 1065 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD2) { print_debug_2s("(t_COMMA):", yytext); } return(COMMA); } YY_BREAK /* left parenthesis */ case 50: # line 1074 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD2) { print_debug_2s("(t_LPAREN):", yytext); } if (opt_coord) { got_opt_coord = TRUE; opt_coord = FALSE; return(START_COORD); } else { return(LPAREN); } } YY_BREAK /* right parenthesis */ case 51: # line 1090 "l2x.l" { catl(yyleng, yytext); nl_count = 0; if (LDEBUG > LD2) { print_debug_2s("(t_RPAREN):", yytext); } if (got_opt_coord) { got_opt_coord = FALSE; return(END_COORD); } else { return(RPAREN); } } YY_BREAK /* whitespace (except newline) print it out */ case 52: # line 1107 "l2x.l" { catl(yyleng, yytext); if (LDEBUG > LD4) { print_debug_2s("(ws):", yytext); } if (collapse_ws) { /* collapse whitespace */ myprint(a_space); } else { myprint(yytext); } } YY_BREAK /* newline with leading and trailing spaces */ /* 7/96 changed to enable paragraphs outside pretty mode */ case 53: # line 1121 "l2x.l" { catl(yyleng, yytext); nl_count++; /* yylval.string = strsave(yytext); */ do_newline(); if (LDEBUG > LD1) { fprintf(filerr, "\n LD(newline): next line is %d\n", lineno); fflush(filerr); } if (!pretty_print) { /* not pretty printing */ myprint(yytext); if (nl_count == 2) { /* 6/96 added this */ yylval.pos = get_mode_sym(pos_para); return(PARAGRAPH); } } else { if (nl_count == 2) { /* (6/96 changed from >= 2 to == 2) a paragraph break */ yylval.pos = get_mode_sym(pos_para); return(PARAGRAPH); } else { /* treat as space */ myprint(a_space); } } } YY_BREAK /*----------- WHEN ALL ELSE FAILS --------------------*/ /* end of file */ case YY_STATE_EOF(INITIAL): case YY_STATE_EOF(VERBATIM_STATE): case YY_STATE_EOF(VERB_STATE): case YY_STATE_EOF(VERBATIM_LIKE): case YY_STATE_EOF(VERB_LIKE): case YY_STATE_EOF(NOOP): # line 1152 "l2x.l" { catl(yyleng, yytext); if (LDEBUG > LD1) { print_debug_1s("(end of file):\n"); } yyerror("Lexer: Unexpected end of file"); return(END_OF_FILE); } YY_BREAK /* anything else */ case 55: # line 1161 "l2x.l" { catl(yyleng, yytext); nl_count = 0; result = lookup_entry(yytext, TEX_CHAR); if (result >= 0) { /* found it */ if (LDEBUG > LD1) { print_debug_2s("(tex_char):", yytext); } ptr = get_mode_sym(result); yylval.pos = ptr; kind = command_type(ptr); return(kind); } else { yylval.string = strsave(yytext); if (LDEBUG > LD4) { print_debug_2s("(catch_all):", yytext); } return(OTHER); } } YY_BREAK case 56: # line 1182 "l2x.l" 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 >= 171 ) 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 >= 171 ) yy_c = yy_meta[yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; yy_is_jam = (yy_current_state == 170); 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 1182 "l2x.l"