/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* Copyright (c) 1989 AT&T */ /* All Rights Reserved */ int yylineno =1; # define YYU(x) x # define NLSTATE yyprevious=YYNEWLINE struct yysvf *yylstate [YYLMAX], **yylsp, **yyolsp; char yysbuf[YYLMAX]; char *yysptr = yysbuf; int *yyfnd; extern struct yysvf *yyestate; int yyprevious = YYNEWLINE; int yylook(void) { struct yysvf *yystate, **lsp; struct yywork *yyt; struct yysvf *yyz; int yych, yyfirst; struct yywork *yyr; # ifdef LEXDEBUG int debug; # endif char *yylastch; /* start off machines */ # ifdef LEXDEBUG debug = 0; # endif yyfirst=1; if (!yymorfg) yylastch = yytext; else { yymorfg=0; yylastch = yytext+yyleng; } for(;;){ lsp = yylstate; yyestate = yystate = yybgin; if (yyprevious==YYNEWLINE) yystate++; for (;;){ # ifdef LEXDEBUG if(debug)fprintf(yyout,"state %d\n",yystate-yysvec-1); # endif yyt = yystate->yystoff; if(yyt == yycrank && !yyfirst){ /* may not be any transitions */ yyz = yystate->yyother; if(yyz == 0)break; if(yyz->yystoff == yycrank)break; } #ifndef __cplusplus *yylastch++ = yych = input(); #else *yylastch++ = yych = lex_input(); #endif #ifdef YYISARRAY if(yylastch > &yytext[YYLMAX]) { fprintf(yyout,"Input string too long, limit %d\n",YYLMAX); exit(1); } #else if (yylastch >= &yytext[ yytextsz ]) { int x = yylastch - yytext; yytextsz += YYTEXTSZINC; if (yytext == yy_tbuf) { yytext = (char *) malloc(yytextsz); memcpy(yytext, yy_tbuf, sizeof (yy_tbuf)); } else yytext = (char *) realloc(yytext, yytextsz); if (!yytext) { fprintf(yyout, "Cannot realloc yytext\n"); exit(1); } yylastch = yytext + x; } #endif yyfirst=0; tryagain: # ifdef LEXDEBUG if(debug){ fprintf(yyout,"char "); allprint(yych); putchar('\n'); } # endif yyr = yyt; if ( (uintptr_t)yyt > (uintptr_t)yycrank){ yyt = yyr + yych; if (yyt <= yytop && yyt->verify+yysvec == yystate){ if(yyt->advance+yysvec == YYLERR) /* error transitions */ {unput(*--yylastch);break;} *lsp++ = yystate = yyt->advance+yysvec; if(lsp > &yylstate[YYLMAX]) { fprintf(yyout,"Input string too long, limit %d\n",YYLMAX); exit(1); } goto contin; } } # ifdef YYOPTIM else if((uintptr_t)yyt < (uintptr_t)yycrank) { /* r < yycrank */ yyt = yyr = yycrank+(yycrank-yyt); # ifdef LEXDEBUG if(debug)fprintf(yyout,"compressed state\n"); # endif yyt = yyt + yych; if(yyt <= yytop && yyt->verify+yysvec == yystate){ if(yyt->advance+yysvec == YYLERR) /* error transitions */ {unput(*--yylastch);break;} *lsp++ = yystate = yyt->advance+yysvec; if(lsp > &yylstate[YYLMAX]) { fprintf(yyout,"Input string too long, limit %d\n",YYLMAX); exit(1); } goto contin; } yyt = yyr + YYU(yymatch[yych]); # ifdef LEXDEBUG if(debug){ fprintf(yyout,"try fall back character "); allprint(YYU(yymatch[yych])); putchar('\n'); } # endif if(yyt <= yytop && yyt->verify+yysvec == yystate){ if(yyt->advance+yysvec == YYLERR) /* error transition */ {unput(*--yylastch);break;} *lsp++ = yystate = yyt->advance+yysvec; if(lsp > &yylstate[YYLMAX]) { fprintf(yyout,"Input string too long, limit %d\n",YYLMAX); exit(1); } goto contin; } } if ((yystate = yystate->yyother) && (yyt= yystate->yystoff) != yycrank){ # ifdef LEXDEBUG if(debug)fprintf(yyout,"fall back to state %d\n",yystate-yysvec-1); # endif goto tryagain; } # endif else {unput(*--yylastch);break;} contin: # ifdef LEXDEBUG if(debug){ fprintf(yyout,"state %d char ",yystate-yysvec-1); allprint(yych); putchar('\n'); } # endif ; } # ifdef LEXDEBUG if(debug){ fprintf(yyout,"stopped at %d with ",*(lsp-1)-yysvec-1); allprint(yych); putchar('\n'); } # endif while (lsp-- > yylstate){ *yylastch-- = 0; if (*lsp != 0 && (yyfnd= (*lsp)->yystops) && *yyfnd > 0){ yyolsp = lsp; if(yyextra[*yyfnd]){ /* must backup */ while(yyback((*lsp)->yystops,-*yyfnd) != 1 && lsp > yylstate){ lsp--; unput(*yylastch--); } } yyprevious = YYU(*yylastch); yylsp = lsp; yyleng = yylastch-yytext+1; yytext[yyleng] = 0; # ifdef LEXDEBUG if(debug){ fprintf(yyout,"\nmatch "); sprint(yytext); fprintf(yyout," action %d\n",*yyfnd); } # endif return(*yyfnd++); } unput(*yylastch); } if (yytext[0] == 0 /* && feof(yyin) */) { yysptr=yysbuf; return(0); } #ifndef __cplusplus yyprevious = yytext[0] = input(); if (yyprevious>0) output(yyprevious); #else yyprevious = yytext[0] = lex_input(); if (yyprevious>0) lex_output(yyprevious); #endif yylastch=yytext; # ifdef LEXDEBUG if(debug)putchar('\n'); # endif } } int yyback(int *p, int m) { if (p==0) return(0); while (*p) { if (*p++ == m) return(1); } return(0); } /* the following are only used in the lex library */ int yyinput(void) { #ifndef __cplusplus return(input()); #else return(lex_input()); #endif } void yyoutput(int c) { #ifndef __cplusplus output(c); #else lex_output(c); #endif } void yyunput(int c) { unput(c); }