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author | rsc <devnull@localhost> | 2004-05-17 03:28:31 +0000 |
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committer | rsc <devnull@localhost> | 2004-05-17 03:28:31 +0000 |
commit | 61a3e9c44daa2d4a5f2ac8941f6418c399568f39 (patch) | |
tree | 02c10b6f4bc4f3d7623351c92158ced19c8b85f6 /lib | |
parent | aa83d77271f0d2be72067058f78abd1780f3b69e (diff) | |
download | plan9port-61a3e9c44daa2d4a5f2ac8941f6418c399568f39.tar.gz plan9port-61a3e9c44daa2d4a5f2ac8941f6418c399568f39.tar.bz2 plan9port-61a3e9c44daa2d4a5f2ac8941f6418c399568f39.zip |
don't need an entire directory for this.
Diffstat (limited to 'lib')
-rw-r--r-- | lib/lex/ncform | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/lib/lex/ncform b/lib/lex/ncform deleted file mode 100644 index 6571735b..00000000 --- a/lib/lex/ncform +++ /dev/null @@ -1,191 +0,0 @@ -#pragma lib "libl.a" -int yylineno =1; -# define YYU(x) x -char yytext[YYLMAX]; -struct yysvf *yylstate [YYLMAX], **yylsp, **yyolsp; -Uchar yysbuf[YYLMAX]; -Uchar *yysptr = yysbuf; -int *yyfnd; -extern struct yysvf *yyestate; -int yyprevious = YYNEWLINE; -# ifdef LEXDEBUG -extern void allprint(char); -# endif -int -yylook(void){ - struct yysvf *yystate, **lsp; - struct yywork *yyt; - struct yysvf *yyz; - int yych; - struct yywork *yyr; -# ifdef LEXDEBUG - int debug; -# endif - Uchar *yylastch; - /* start off machines */ -# ifdef LEXDEBUG - debug = 0; -# endif - if (!yymorfg) - yylastch = (Uchar*)yytext; - else { - yymorfg=0; - yylastch = (Uchar*)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){ /* may not be any transitions */ - yyz = yystate->yyother; - if(yyz == 0)break; - if(yyz->yystoff == yycrank)break; - } - *yylastch++ = yych = input(); - tryagain: -# ifdef LEXDEBUG - if(debug){ - fprintf(yyout,"char "); - allprint(yych); - putchar('\n'); - } -# endif - yyr = yyt; - if ( (int)yyt > (int)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; - goto contin; - } - } -# ifdef YYOPTIM - else if((int)yyt < (int)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; - 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; - 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-(Uchar*)yytext+1; - yytext[yyleng] = 0; -# ifdef LEXDEBUG - if(debug){ - fprintf(yyout,"\nmatch '%s'", yytext); - fprintf(yyout," action %d\n",*yyfnd); - } -# endif - return(*yyfnd++); - } - unput(*yylastch); - } - if (yytext[0] == 0 /* && feof(yyin) */) - { - yysptr=yysbuf; - return(0); - } - yyprevious = input(); - yytext[0] = yyprevious; - if (yyprevious>0) - output(yyprevious); - yylastch = (Uchar*)yytext; -# ifdef LEXDEBUG - if(debug)putchar('\n'); -# endif - } - return(0); /* shut up the compiler; i have no idea what should be returned */ - } -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){ - if(yyin == ((void*)0)) - yyin = stdin; - return(input()); -} -void -yyoutput(int c) -{ - if(yyout == ((void*)0)) - yyout = stdin; - output(c); -} -void -yyunput(int c) -{ - unput(c); -} |