+++ /dev/null
-
-/*
- * lexstring.c
- *
- * $Id$
- */
-
-#define ONECASE 1
-
-#include <stdio.h>
-#include <ctype.h>
-
-#define YYLERR yysvec
-#define YYTYPE int
-#define YYLMAX 256
-
-struct yysvf {
-#ifndef hpux
- struct yywork *yystoff;
-#else /* hpux */
- int yystoff;
-#endif /* hpux */
- struct yysvf *yyother;
- int *yystops;
-};
-
-struct yywork {
- YYTYPE verify;
- YYTYPE advance;
-};
-
-extern int yyvstop[];
-extern struct yywork yycrank[];
-extern struct yysvf yysvec[];
-extern char yymatch[];
-extern char yyextra[];
-
-#ifdef LEXDEBUG
-static int debug = 0;
-#endif /* LEXDEBUG */
-
-#ifdef ONECASE
-static char case_map[] = {
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
- 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
- 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
- 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
- 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
- 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
- 60, 61, 62, 63, 64, 97, 98, 99, 100, 101,
- 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
- 112, 113, 114, 115, 116, 117, 118, 119, 120, 121,
- 122, 91, 92, 93, 94, 95, 96, 97, 98, 99,
- 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
- 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
- 120, 121, 122, 123, 124, 125, 126, 127,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0
-};
-#endif /* ONECASE */
-
-
-int
-lex_string (char **strptr, int start_cond)
-{
- struct yysvf *state, **lsp;
- struct yywork *tran;
- int statenum;
- int ch;
- char *cp = *strptr;
- int *found;
- struct yysvf *yylstate[YYLMAX];
-
- /* start off machines */
- lsp = yylstate;
- statenum = 1 + start_cond;
- state = yysvec + statenum;
- for (;;) {
-#ifdef LEXDEBUG
- if (debug) {
- fprintf(stderr,"%d ",statenum - 1);
- }
-#endif
-#ifndef hpux
- tran = state->yystoff;
-#else /* hpux */
- tran = &yycrank[state->yystoff];
-#endif /* hpux */
- if(tran == yycrank)
- /* may not be any transitions */
- if (state->yyother == 0 ||
-#ifndef hpux
- state->yyother->yystoff == yycrank)
-#else /* hpux */
- state->yyother->yystoff == 0)
-#endif /* hpux */
- break;
-
-#ifdef ONECASE
- ch = case_map[(unsigned char) *cp++];
-#else /* not ONECASE */
- ch = *cp++;
-#endif /* ONECASE */
-#ifdef LEXDEBUG
- if (debug) {
- fprintf(stderr,"(");
- allprint(ch);
- fprintf(stderr, ")");
- }
-#endif
-tryagain:
-#ifndef hpux
- if ( tran > yycrank){
-#else /* hpux */
- if ( (int)tran > (int)yycrank){
-#endif /* hpux */
- tran += ch;
- if (tran->verify == statenum){
- if ((statenum = tran->advance) == 0){
- /* error transitions */
- --cp;
- break;
- }
- state = statenum + yysvec;
- *lsp++ = state;
- goto contin;
- }
-
-#ifndef hpux
- } else if(tran < yycrank) {
-#else /* hpux */
- } else if( (int)tran < (int)yycrank) {
-#endif /* hpux */
- tran = yycrank+(yycrank-tran) + ch;
-#ifdef LEXDEBUG
- if (debug) {
- fprintf(stderr," compressed");
- }
-#endif
- if (tran->verify == statenum){
- if ((statenum = tran->advance) == 0)
- /* error transitions */
- break;
-
- state = statenum + yysvec;
- *lsp++ = state;
- goto contin;
- }
- tran += (yymatch[ch] - ch);
-#ifdef LEXDEBUG
- if (debug) {
- fprintf(stderr,"(fb ");
- allprint(yymatch[ch]);
- fprintf(stderr,")");
- }
-#endif
- if (tran->verify == statenum){
- if((statenum = tran->advance) == 0)
- /* error transition */
- break;
-
- state = statenum + yysvec;
- *lsp++ = state;
- goto contin;
- }
- }
- if ((state = state->yyother) &&
-#ifndef hpux
- (tran = state->yystoff) != yycrank){
-#else /* hpux */
- (tran = &yycrank[state->yystoff]) != yycrank){
-#endif /* hpux */
- statenum = state - yysvec;
-#ifdef LEXDEBUG
- if (debug) {
- fprintf(stderr,"fb %d", statenum - 1);
- }
-#endif
- goto tryagain;
- } else
- break;
-
-contin:
-#ifdef LEXDEBUG
- if (debug) {
- fprintf(stderr,">");
- }
-#endif
- ;
- }
-#ifdef LEXDEBUG
- if (debug) {
- fprintf(stderr,"\nStopped in state %d (",*(lsp-1)-yysvec-1);
- allprint(ch);
- fprintf(stderr, ") ");
- }
-#endif
- while (lsp-- > yylstate){
- if (*lsp != 0 && (found= (*lsp)->yystops) && *found > 0){
- if(yyextra[*found]){
- /* must backup */
- ch = -*found;
- do {
- while (*found && *found++ != ch)
- ;
- } while (lsp > yylstate &&
- (found = (*--lsp)->yystops));
- }
-#ifdef LEXDEBUG
- if (debug) {
- fprintf(stderr," Match \"");
- for ( cp = *strptr;
- cp <= ((*strptr)+(lsp-yylstate));
- cp++)
- allprint( *cp );
- fprintf(stderr,"\" action %d\n",*found);
- }
-#endif
- *strptr += (lsp - yylstate + 1);
- return(*found);
- }
- }
- /* the string didn't match anything - if we're looking at
- * eos, just return 0. Otherwise, bump the string pointer
- * and return -1.
- */
-#ifdef LEXDEBUG
- if (debug) {
- fprintf(stderr," No match\n");
- }
-#endif /* LEXDEBUG */
- if ( **strptr ) {
- (*strptr)++;
- return (-1);
- }
- return (0);
-}
-
-#ifdef LEXDEBUG
-void
-allprint(char c)
-{
- if ( c < 32 ) {
- putc( '^', stderr );
- c += 32;
- } else if ( c == 127 ) {
- putc( '^', stderr );
- c = '?';
- }
- putc( c, stderr );
-}
-#endif /* LEXDEBUG */
projects / mmh / blobdiff