lex.yy.c
来自「一个FREE编译器原码」· C语言 代码 · 共 1,253 行 · 第 1/2 页
C
1,253 行
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# define YYTYPE unsigned char
struct yywork { YYTYPE verify, advance; } yycrank[] = {
0,0, 0,0, 1,9, 0,0,
0,0, 0,0, 0,0, 0,0,
0,0, 0,0, 1,10, 1,11,
0,0, 10,59, 0,0, 56,95,
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, 1,12,
10,59, 6,53, 56,95, 1,13,
0,0, 1,14, 1,15, 1,16,
1,17, 1,18, 1,19, 1,20,
1,21, 1,22, 4,49, 16,60,
21,61, 49,85, 50,86, 4,50,
0,0, 0,0, 0,0, 1,23,
1,24, 1,25, 1,26, 1,27,
23,63, 1,9, 1,28, 22,62,
22,62, 22,62, 22,62, 22,62,
22,62, 22,62, 22,62, 22,62,
22,62, 25,64, 25,65, 27,66,
0,0, 7,55, 0,0, 0,0,
0,0, 0,0, 0,0, 0,0,
0,0, 7,56, 7,57, 0,0,
1,29, 8,58, 1,30, 6,54,
1,9, 90,108, 1,31, 1,32,
1,28, 1,33, 1,34, 1,35,
1,28, 1,36, 1,37, 1,28,
1,28, 1,38, 1,28, 1,39,
1,40, 1,28, 1,28, 1,28,
1,28, 1,41, 1,28, 1,42,
1,43, 1,28, 1,28, 1,28,
1,44, 1,45, 1,46, 2,12,
7,55, 31,68, 32,69, 2,13,
33,70, 2,14, 2,15, 2,16,
2,17, 2,18, 2,19, 2,20,
2,21, 34,71, 35,73, 34,72,
7,55, 7,55, 38,77, 39,78,
35,74, 37,75, 40,79, 2,23,
2,24, 2,25, 2,26, 2,27,
41,80, 37,76, 42,83, 43,84,
68,96, 69,97, 71,98, 41,81,
72,99, 73,100, 74,101, 77,102,
78,103, 80,104, 82,105, 83,106,
7,58, 41,82, 84,107, 7,55,
96,110, 7,55, 97,111, 3,47,
98,112, 101,113, 104,114, 105,115,
2,29, 107,116, 2,30, 3,47,
3,48, 110,118, 111,119, 2,32,
2,28, 2,33, 2,34, 2,35,
2,28, 2,36, 2,37, 2,28,
2,28, 2,38, 2,28, 2,39,
2,40, 2,28, 2,28, 2,28,
2,28, 2,41, 2,28, 2,42,
2,43, 2,28, 2,28, 2,28,
2,44, 2,45, 2,46, 5,51,
3,49, 113,120, 116,121, 117,122,
120,123, 3,50, 3,47, 5,51,
5,52, 108,117, 108,117, 108,117,
108,117, 108,117, 108,117, 108,117,
108,117, 108,117, 108,117, 123,125,
125,126, 0,0, 3,47, 3,47,
0,0, 0,0, 0,0, 0,0,
0,0, 0,0, 0,0, 0,0,
5,53, 122,124, 122,124, 122,124,
122,124, 122,124, 122,124, 122,124,
122,124, 122,124, 122,124, 0,0,
0,0, 0,0, 5,51, 0,0,
0,0, 0,0, 0,0, 0,0,
0,0, 3,47, 0,0, 3,47,
0,0, 0,0, 0,0, 0,0,
0,0, 0,0, 5,51, 5,51,
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, 28,67,
28,67, 28,67, 28,67, 28,67,
28,67, 28,67, 28,67, 28,67,
28,67, 0,0, 5,54, 0,0,
0,0, 5,51, 0,0, 5,51,
28,67, 28,67, 28,67, 28,67,
28,67, 28,67, 28,67, 28,67,
28,67, 28,67, 28,67, 28,67,
28,67, 28,67, 28,67, 28,67,
28,67, 28,67, 28,67, 28,67,
28,67, 28,67, 28,67, 28,67,
28,67, 28,67, 0,0, 0,0,
0,0, 0,0, 28,67, 0,0,
28,67, 28,67, 28,67, 28,67,
28,67, 28,67, 28,67, 28,67,
28,67, 28,67, 28,67, 28,67,
28,67, 28,67, 28,67, 28,67,
28,67, 28,67, 28,67, 28,67,
28,67, 28,67, 28,67, 28,67,
28,67, 28,67, 54,87, 54,88,
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, 54,87, 0,0, 54,89,
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, 54,90, 54,90, 54,90,
54,90, 54,90, 54,90, 54,90,
54,90, 54,90, 54,90, 92,109,
92,109, 92,109, 92,109, 92,109,
92,109, 92,109, 92,109, 92,109,
92,109, 92,109, 92,109, 92,109,
92,109, 92,109, 92,109, 92,109,
92,109, 92,109, 92,109, 92,109,
92,109, 92,109, 92,109, 92,109,
92,109, 92,109, 92,109, 92,109,
92,109, 92,109, 92,109, 0,0,
0,0, 54,91, 0,0, 54,92,
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, 54,93,
0,0, 0,0, 0,0, 0,0,
0,0, 54,94, 0,0, 0,0,
0,0};
struct yysvf yysvec[] = {
0, 0, 0,
yycrank+-1, 0, yyvstop+1,
yycrank+-93, yysvec+1, yyvstop+4,
yycrank+-178, 0, yyvstop+7,
yycrank+-8, yysvec+3, yyvstop+10,
yycrank+-218, 0, yyvstop+13,
yycrank+-3, yysvec+5, yyvstop+16,
yycrank+-80, 0, yyvstop+19,
yycrank+-1, yysvec+7, yyvstop+22,
yycrank+0, 0, yyvstop+25,
yycrank+4, 0, yyvstop+27,
yycrank+0, 0, yyvstop+30,
yycrank+0, 0, yyvstop+32,
yycrank+0, 0, yyvstop+35,
yycrank+0, 0, yyvstop+38,
yycrank+0, 0, yyvstop+41,
yycrank+4, 0, yyvstop+44,
yycrank+0, 0, yyvstop+47,
yycrank+0, 0, yyvstop+50,
yycrank+0, 0, yyvstop+53,
yycrank+0, 0, yyvstop+56,
yycrank+10, 0, yyvstop+59,
yycrank+19, 0, yyvstop+62,
yycrank+3, 0, yyvstop+65,
yycrank+0, 0, yyvstop+68,
yycrank+16, 0, yyvstop+71,
yycrank+0, 0, yyvstop+74,
yycrank+18, 0, yyvstop+77,
yycrank+251, 0, yyvstop+80,
yycrank+0, 0, yyvstop+83,
yycrank+0, 0, yyvstop+86,
yycrank+15, yysvec+28, yyvstop+89,
yycrank+16, yysvec+28, yyvstop+92,
yycrank+21, yysvec+28, yyvstop+95,
yycrank+33, yysvec+28, yyvstop+98,
yycrank+31, yysvec+28, yyvstop+101,
yycrank+0, yysvec+28, yyvstop+104,
yycrank+47, yysvec+28, yyvstop+108,
yycrank+45, yysvec+28, yyvstop+111,
yycrank+42, yysvec+28, yyvstop+114,
yycrank+48, yysvec+28, yyvstop+117,
yycrank+52, yysvec+28, yyvstop+120,
yycrank+61, yysvec+28, yyvstop+123,
yycrank+55, yysvec+28, yyvstop+126,
yycrank+0, 0, yyvstop+129,
yycrank+0, 0, yyvstop+132,
yycrank+0, 0, yyvstop+135,
yycrank+0, 0, yyvstop+138,
yycrank+0, 0, yyvstop+140,
yycrank+6, 0, yyvstop+142,
yycrank+12, 0, yyvstop+144,
yycrank+0, 0, yyvstop+146,
yycrank+0, 0, yyvstop+148,
yycrank+0, 0, yyvstop+150,
yycrank+365, 0, yyvstop+153,
yycrank+0, 0, yyvstop+156,
yycrank+6, 0, yyvstop+158,
yycrank+0, 0, yyvstop+161,
yycrank+0, 0, yyvstop+163,
yycrank+0, yysvec+10, yyvstop+166,
yycrank+0, 0, yyvstop+168,
yycrank+0, 0, yyvstop+170,
yycrank+0, yysvec+22, yyvstop+172,
yycrank+0, 0, yyvstop+174,
yycrank+0, 0, yyvstop+176,
yycrank+0, 0, yyvstop+178,
yycrank+0, 0, yyvstop+180,
yycrank+0, yysvec+28, yyvstop+182,
yycrank+46, yysvec+28, yyvstop+184,
yycrank+60, yysvec+28, yyvstop+186,
yycrank+0, yysvec+28, yyvstop+188,
yycrank+47, yysvec+28, yyvstop+191,
yycrank+64, yysvec+28, yyvstop+193,
yycrank+51, yysvec+28, yyvstop+195,
yycrank+56, yysvec+28, yyvstop+197,
yycrank+0, yysvec+28, yyvstop+199,
yycrank+0, yysvec+28, yyvstop+202,
yycrank+51, yysvec+28, yyvstop+205,
yycrank+60, yysvec+28, yyvstop+207,
yycrank+0, yysvec+28, yyvstop+209,
yycrank+68, yysvec+28, yyvstop+212,
yycrank+0, yysvec+28, yyvstop+214,
yycrank+58, yysvec+28, yyvstop+217,
yycrank+57, yysvec+28, yyvstop+219,
yycrank+69, yysvec+28, yyvstop+221,
yycrank+0, 0, yyvstop+223,
yycrank+0, 0, yyvstop+225,
yycrank+0, 0, yyvstop+227,
yycrank+0, 0, yyvstop+229,
yycrank+0, 0, yyvstop+231,
yycrank+5, 0, 0,
yycrank+0, 0, yyvstop+233,
yycrank+359, 0, 0,
yycrank+0, 0, yyvstop+235,
yycrank+0, 0, yyvstop+237,
yycrank+0, yysvec+56, yyvstop+239,
yycrank+79, yysvec+28, yyvstop+241,
yycrank+81, yysvec+28, yyvstop+243,
yycrank+79, yysvec+28, yyvstop+245,
yycrank+0, yysvec+28, yyvstop+247,
yycrank+0, yysvec+28, yyvstop+250,
yycrank+82, yysvec+28, yyvstop+253,
yycrank+0, yysvec+28, yyvstop+255,
yycrank+0, yysvec+28, yyvstop+258,
yycrank+72, yysvec+28, yyvstop+261,
yycrank+82, yysvec+28, yyvstop+263,
yycrank+0, yysvec+28, yyvstop+265,
yycrank+77, yysvec+28, yyvstop+268,
yycrank+181, 0, 0,
yycrank+0, 0, yyvstop+270,
yycrank+68, yysvec+28, yyvstop+272,
yycrank+83, yysvec+28, yyvstop+274,
yycrank+0, yysvec+28, yyvstop+276,
yycrank+105, yysvec+28, yyvstop+279,
yycrank+0, yysvec+28, yyvstop+281,
yycrank+0, yysvec+28, yyvstop+284,
yycrank+121, yysvec+28, yyvstop+287,
yycrank+131, 0, 0,
yycrank+0, yysvec+28, yyvstop+289,
yycrank+0, yysvec+28, yyvstop+292,
yycrank+119, yysvec+28, yyvstop+295,
yycrank+0, yysvec+28, yyvstop+297,
yycrank+205, 0, 0,
yycrank+128, yysvec+28, yyvstop+300,
yycrank+0, 0, yyvstop+302,
yycrank+130, yysvec+28, yyvstop+304,
yycrank+0, yysvec+28, yyvstop+306,
0, 0, 0};
struct yywork *yytop = yycrank+481;
struct yysvf *yybgin = yysvec+1;
unsigned char yymatch[] = {
00 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,011 ,012 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
011 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
'0' ,'0' ,'0' ,'0' ,'0' ,'0' ,'0' ,'0' ,
'0' ,'0' ,01 ,01 ,01 ,01 ,01 ,01 ,
'@' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,
'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,
'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,
'A' ,'A' ,'A' ,'@' ,'@' ,'@' ,'@' ,'_' ,
01 ,'a' ,'a' ,'a' ,'a' ,'a' ,'a' ,'a' ,
'a' ,'a' ,'a' ,'a' ,'a' ,'a' ,'a' ,'a' ,
'a' ,'a' ,'a' ,'a' ,'a' ,'a' ,'a' ,'a' ,
'a' ,'a' ,'a' ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
0};
unsigned char yyextra[] = {
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};
/*
* (c) Copyright 1990, OPEN SOFTWARE FOUNDATION, INC.
* ALL RIGHTS RESERVED
*/
/*
* OSF/1 Release 1.0
*/
/*
#
# IBM CONFIDENTIAL
# Copyright International Business Machines Corp. 1989
# Unpublished Work
# All Rights Reserved
# Licensed Material - Property of IBM
#
#
# US Government Users Restricted Rights - Use, duplication or
# disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
#
*/
/* @(#)ncform 1.3 com/lib/l,3.1,8951 9/7/89 18:48:47 */
int yylineno =1;
# define YYU(x) x
# define NLSTATE yyprevious=YYNEWLINE
unsigned char yytext[YYLMAX];
struct yysvf *yylstate [YYLMAX], **yylsp, **yyolsp;
unsigned char yysbuf[YYLMAX];
unsigned char *yysptr = yysbuf;
int *yyfnd;
extern struct yysvf *yyestate;
int yyprevious = YYNEWLINE;
yylook(){
register struct yysvf *yystate, **lsp;
register struct yywork *yyt;
struct yysvf *yyz;
int yych, yyfirst;
struct yywork *yyr;
# ifdef LEXDEBUG
int debug;
# endif
unsigned 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;
}
*yylastch++ = yych = input();
yyfirst=0;
tryagain:
# ifdef LEXDEBUG
if(debug){
fprintf(yyout,"char ");
allprint(yych);
putchar('\n');
}
# endif
yyr = yyt;
if ( yyt > 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(yyt < 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-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);
}
yyprevious = yytext[0] = input();
if (yyprevious>0)
output(yyprevious);
yylastch=yytext;
# ifdef LEXDEBUG
if(debug)putchar('\n');
# endif
}
}
yyback(p, m)
int *p;
{
if (p==0) return(0);
while (*p)
{
if (*p++ == m)
return(1);
}
return(0);
}
/* the following are only used in the lex library */
yyinput(){
return(input());
}
yyoutput(c)
int c; {
output(c);
}
yyunput(c)
int c; {
unput(c);
}
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