mirror of
https://github.com/cc65/cc65.git
synced 2024-08-26 04:29:20 +00:00
1007 lines
20 KiB
C
1007 lines
20 KiB
C
/*
|
|
!!DESCRIPTION!!
|
|
!!ORIGIN!! LCC 4.1 Testsuite
|
|
!!LICENCE!! own, freely distributeable for non-profit. read CPYRIGHT.LCC
|
|
*/
|
|
|
|
/*#define STANDALONE*/
|
|
|
|
#include "common.h"
|
|
|
|
#ifndef YACCDBG
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <ctype.h>
|
|
|
|
/*
|
|
#define LEXDEBUG
|
|
#define YYDEBUG
|
|
*/
|
|
|
|
#endif
|
|
|
|
FILE *infile, *outfile;
|
|
#define getchar() fgetc(infile)
|
|
|
|
/* hack the original tables to work with both petscii and ascii */
|
|
#define CHARSETHACK
|
|
|
|
# define ID 257
|
|
# define CON 258
|
|
# define UNARYMINUS 259
|
|
#define yyclearin yychar = -1
|
|
#define yyerrok yyerrflag = 0
|
|
extern int yychar;
|
|
extern short yyerrflag;
|
|
#ifndef YYMAXDEPTH
|
|
/*#define YYMAXDEPTH 150*/
|
|
#define YYMAXDEPTH 50
|
|
#endif
|
|
#ifndef YYSTYPE
|
|
#define YYSTYPE int
|
|
#endif
|
|
YYSTYPE yylval, yyval;
|
|
# define YYERRCODE 256
|
|
|
|
# define U(x) x
|
|
# define NLSTATE yyprevious=YYNEWLINE
|
|
# define BEGIN yybgin = yysvec + 1 +
|
|
# define INITIAL 0
|
|
# define YYLERR yysvec
|
|
# define YYSTATE (yyestate-yysvec-1)
|
|
# define YYOPTIM 1
|
|
# define YYLMAX 200
|
|
# define output(c) (void)putc(c,yyout)
|
|
|
|
/* # define input() (((yytchar=yysptr>yysbuf?U(*--yysptr):getc(yyin))==10?(yylineno++,yytchar):yytchar)==EOF?0:yytchar) */
|
|
# define input() (((yytchar=yysptr>yysbuf?U(*--yysptr):getchar())==('\n')?(yylineno++,yytchar):yytchar)==EOF?0:yytchar)
|
|
|
|
# define unput(c) {yytchar= (c);if(yytchar=='\n')yylineno--;*yysptr++=yytchar;}
|
|
# define yymore() (yymorfg=1)
|
|
# define ECHO fprintf(yyout, "%s",yytext)
|
|
# define REJECT { nstr = yyreject(); goto yyfussy;}
|
|
int yyleng; extern char yytext[];
|
|
int yymorfg;
|
|
extern char *yysptr, yysbuf[];
|
|
int yytchar;
|
|
|
|
#define yyin infile
|
|
#define yyout outfile
|
|
|
|
extern int yylineno;
|
|
struct yysvf
|
|
{
|
|
struct yywork *yystoff;
|
|
struct yysvf *yyother;
|
|
int *yystops;
|
|
};
|
|
struct yysvf *yyestate;
|
|
extern struct yysvf yysvec[], *yybgin;
|
|
|
|
/*# define YYNEWLINE 10 */
|
|
# define YYNEWLINE ('\n')
|
|
|
|
#ifdef NO_IMPLICIT_FUNC_PROTOTYPES
|
|
yylook();
|
|
int yywrap();
|
|
yyparse();
|
|
yyerror(char *s);
|
|
yyunput(int c);
|
|
yyoutput(int c);
|
|
yyinput();
|
|
yyback(int *p,int m);
|
|
#endif
|
|
|
|
#ifdef YYDEBUG
|
|
void printchar(char *name,int ch)
|
|
{
|
|
if((ch==YYNEWLINE))
|
|
{
|
|
fprintf(yyout," %s=YYNEWLINE\n",name);
|
|
}
|
|
else if((ch<0)||(ch>0xf0)||(!isprint(ch)))
|
|
{
|
|
fprintf(yyout," %s=%04x\n",name,ch &0xffff);
|
|
}
|
|
else
|
|
{
|
|
fprintf(yyout," %s='%c'\n",name,ch);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
yylex()
|
|
{
|
|
int nstr;
|
|
extern int yyprevious;
|
|
|
|
#ifdef YYDEBUG
|
|
fprintf(yyout,"yylex()\n");
|
|
#endif
|
|
|
|
while((nstr = yylook()) >= 0)
|
|
{
|
|
#ifdef YYDEBUG
|
|
fprintf(yyout,"yylex: nstr=%d\n",nstr);
|
|
#endif
|
|
yyfussy:
|
|
switch(nstr)
|
|
{
|
|
case 0:
|
|
if(yywrap()) return(0);
|
|
break;
|
|
case 1:
|
|
return ID;
|
|
break;
|
|
case 2:
|
|
return CON;
|
|
break;
|
|
case 3:
|
|
;
|
|
break;
|
|
case 4:
|
|
return yytext[0];
|
|
break;
|
|
case -1:
|
|
break;
|
|
default:
|
|
fprintf(yyout,"yylex: bad switch yylook %d\n",nstr);
|
|
}
|
|
|
|
}
|
|
|
|
#ifdef YYDEBUG
|
|
fprintf(yyout,"yylex: return 0\n");
|
|
#endif
|
|
return(0);
|
|
}
|
|
/* end of yylex */
|
|
|
|
int yyvstop[] =
|
|
{
|
|
0,4,0,3,4,0,2,4,0,1,4,0,2,0,1,0,0
|
|
};
|
|
|
|
# define YYTYPE char
|
|
struct yywork
|
|
{
|
|
YYTYPE verify, advance;
|
|
} yycrank[] =
|
|
{
|
|
{0,0}, {0,0}, {1,3}, {0,0},
|
|
{0,0}, {0,0}, {0,0}, {0,0},
|
|
{0,0}, {0,0}, {1,4}, {1,3},
|
|
{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}, {1,5}, {5,7}, {5,7},
|
|
{5,7}, {5,7}, {5,7}, {5,7},
|
|
{5,7}, {5,7}, {5,7}, {5,7},
|
|
{0,0}, {0,0}, {0,0}, {0,0},
|
|
/* 0x40 */
|
|
{0,0}, {0,0}, {1,6}, {6,8},
|
|
{6,8}, {6,8}, {6,8}, {6,8},
|
|
{6,8}, {6,8}, {6,8}, {6,8},
|
|
{6,8}, {0,0}, {0,0}, {0,0},
|
|
|
|
{0,0}, {0,0}, {0,0}, {0,0},
|
|
{6,8}, {6,8}, {6,8}, {6,8},
|
|
{6,8}, {6,8}, {6,8}, {6,8},
|
|
{6,8}, {6,8}, {6,8}, {6,8},
|
|
|
|
{6,8}, {6,8}, {6,8}, {6,8},
|
|
{6,8}, {6,8}, {6,8}, {6,8},
|
|
{6,8}, {6,8}, {6,8}, {6,8},
|
|
{6,8}, {6,8}, {0,0}, {0,0},
|
|
|
|
{0,0}, {0,0}, {6,8}, {0,0},
|
|
{6,8}, {6,8}, {6,8}, {6,8},
|
|
{6,8}, {6,8}, {6,8}, {6,8},
|
|
{6,8}, {6,8}, {6,8}, {6,8},
|
|
/* 0x80 */
|
|
{6,8}, {6,8}, {6,8}, {6,8},
|
|
{6,8}, {6,8}, {6,8}, {6,8},
|
|
{6,8}, {6,8}, {6,8}, {6,8},
|
|
{6,8}, {6,8}, {0,0}, {0,0},
|
|
|
|
#ifdef CHARSETHACK
|
|
{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},
|
|
|
|
/* 0xc0 */
|
|
{0,0}, {0,0}, {1,6}, {6,8},
|
|
{6,8}, {6,8}, {6,8}, {6,8},
|
|
{6,8}, {6,8}, {6,8}, {6,8},
|
|
{6,8}, {0,0}, {0,0}, {0,0},
|
|
#endif
|
|
{0,0}
|
|
};
|
|
|
|
/*
|
|
struct yysvf
|
|
{
|
|
struct yywork *yystoff;
|
|
struct yysvf *yyother;
|
|
int *yystops;
|
|
};
|
|
*/
|
|
struct yysvf yysvec[] =
|
|
{
|
|
{0, 0, 0},
|
|
{yycrank+-1, 0, 0},
|
|
{yycrank+0, yysvec+1, 0},
|
|
{yycrank+0, 0, yyvstop+1},
|
|
{yycrank+0, 0, yyvstop+3},
|
|
{yycrank+2, 0, yyvstop+6},
|
|
{yycrank+19, 0, yyvstop+9},
|
|
{yycrank+0, yysvec+5, yyvstop+12},
|
|
{yycrank+0, yysvec+6, yyvstop+14},
|
|
{0, 0, 0}
|
|
};
|
|
/* 0x8d */
|
|
/* struct yywork *yytop = yycrank+141; */
|
|
/* 0xff */
|
|
struct yywork *yytop = yycrank+255;
|
|
|
|
struct yysvf *yybgin = yysvec+1;
|
|
|
|
/*
|
|
WARNING: this table contains one entry per character
|
|
in the execution character set and must match it.
|
|
*/
|
|
char yymatch[] =
|
|
{
|
|
00 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
|
|
#ifdef CHARSETHACK
|
|
01 ,011 ,012 ,01 ,01 ,012 ,01 ,01 ,
|
|
#else
|
|
01 ,011 ,012 ,01 ,01 ,01 ,01 ,01 ,
|
|
#endif
|
|
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 ,
|
|
|
|
/* 0x40 (ascii) @A... (petscii) @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 ,'A' ,
|
|
|
|
/* 0x60 (ascii) @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 ,
|
|
|
|
#ifdef CHARSETHACK
|
|
/* 0x80 */
|
|
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,
|
|
|
|
/* 0xc0 (petcii) @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 ,
|
|
|
|
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
|
|
0
|
|
};
|
|
char yyextra[] =
|
|
{
|
|
0,0,0,0,0,0,0,0,0
|
|
};
|
|
|
|
/* ncform 4.1 83/08/11 */
|
|
|
|
int yylineno =1;
|
|
# define YYU(x) x
|
|
# define NLSTATE yyprevious=YYNEWLINE
|
|
char yytext[YYLMAX];
|
|
struct yysvf *yylstate [YYLMAX], **yylsp, **yyolsp;
|
|
char yysbuf[YYLMAX];
|
|
char *yysptr = yysbuf;
|
|
int *yyfnd;
|
|
extern struct yysvf *yyestate;
|
|
int yyprevious = YYNEWLINE;
|
|
|
|
unsigned char testbreak=0;
|
|
|
|
yylook()
|
|
{
|
|
register struct yysvf *yystate, **lsp;
|
|
register struct yywork *yyt;
|
|
struct yysvf *yyz;
|
|
int yych;
|
|
struct yywork *yyr;
|
|
/*
|
|
# ifdef LEXDEBUG
|
|
int debug;
|
|
# endif
|
|
*/
|
|
|
|
char *yylastch;
|
|
|
|
/* start off machines */
|
|
|
|
/*
|
|
# ifdef LEXDEBUG
|
|
debug = 1;
|
|
# else
|
|
debug = 0;
|
|
# endif
|
|
*/
|
|
|
|
# ifdef LEXDEBUG
|
|
#define debug 1
|
|
# else
|
|
#define debug 0
|
|
#endif
|
|
|
|
#ifdef YYDEBUG
|
|
fprintf(yyout,"yylook()\n");
|
|
# endif
|
|
|
|
if (!yymorfg)
|
|
yylastch = yytext;
|
|
else
|
|
{
|
|
yymorfg=0;
|
|
yylastch = yytext+yyleng;
|
|
}
|
|
|
|
#ifdef YYDEBUG
|
|
fprintf(yyout,"yylook: yymorfg=%d\n",yymorfg);
|
|
# endif
|
|
|
|
for(;;)
|
|
{
|
|
#ifdef YYDEBUG
|
|
fprintf(yyout,"yylook: (outer loop)");
|
|
printchar("yyprevious",yyprevious);
|
|
# endif
|
|
lsp = yylstate;
|
|
yyestate = yystate = yybgin;
|
|
if (yyprevious==YYNEWLINE) yystate++;
|
|
|
|
testbreak=0;
|
|
|
|
for (;;)
|
|
{
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: (inner loop) state %d\n",yystate-yysvec-1);
|
|
# endif
|
|
if(testbreak==5)
|
|
{
|
|
fprintf(yyout,"yylook: error, aborted after 5 loops\n");
|
|
exit(0);
|
|
}
|
|
testbreak++;
|
|
|
|
yyt = yystate->yystoff;
|
|
|
|
/* fprintf(yyout,"yylook: yyt offs: %02x\n",yyt-yycrank); */
|
|
|
|
|
|
if(yyt == yycrank)
|
|
{ /* may not be any transitions */
|
|
yyz = yystate->yyother;
|
|
if(yyz == 0)break;
|
|
if(yyz->yystoff == yycrank)break;
|
|
}
|
|
*yylastch++ = yych = input();
|
|
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: input ");
|
|
printchar("yych",yych);
|
|
# endif
|
|
|
|
tryagain:
|
|
|
|
# ifdef LEXDEBUG
|
|
/* fprintf(yyout,"yylook: yych=%02x yymatch[yych]=%02x\n",yych,yymatch[yych]); */
|
|
fprintf(yyout,"yylook: tryagain\n");
|
|
# endif
|
|
yyr = yyt;
|
|
|
|
/* fprintf(yyout,"yylook: yyr offs: %02x\n",yyr-yycrank); */
|
|
|
|
if ( yyt > yycrank)
|
|
{
|
|
yyt = yyr + yych;
|
|
if (yyt <= yytop && yyt->verify+yysvec == yystate)
|
|
{
|
|
if(yyt->advance+yysvec == YYLERR) /* error transitions */
|
|
{
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: unput (1) ");
|
|
printchar("*yylastch",*yylastch);
|
|
# endif
|
|
unput(*--yylastch);
|
|
break;
|
|
}
|
|
*lsp++ = yystate = yyt->advance+yysvec;
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: continue (1)\n");
|
|
# endif
|
|
goto contin;
|
|
}
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: ( yyt > yycrank)\n");
|
|
# endif
|
|
}
|
|
# ifdef YYOPTIM
|
|
else if(yyt < yycrank) /* r < yycrank */
|
|
{
|
|
yyt = yyr = yycrank+(yycrank-yyt);
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: compressed state\n");
|
|
# endif
|
|
yyt = yyt + yych;
|
|
if(yyt <= yytop && yyt->verify+yysvec == yystate)
|
|
{
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: (1)\n");
|
|
# endif
|
|
if(yyt->advance+yysvec == YYLERR) /* error transitions */
|
|
{
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: unput (2) ");
|
|
printchar("*yylastch",*yylastch);
|
|
# endif
|
|
unput(*--yylastch);
|
|
break;
|
|
}
|
|
*lsp++ = yystate = yyt->advance+yysvec;
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: continue (2)\n");
|
|
# endif
|
|
goto contin;
|
|
|
|
}
|
|
# ifdef LEXDEBUG
|
|
/*
|
|
fprintf(yyout,"yylook: yych=%02x yymatch[yych]=%02x\n",yych,yymatch[yych]);
|
|
fprintf(yyout,"yylook: yyt offs: %02x\n",yyt-yycrank);
|
|
fprintf(yyout,"yylook: yyr offs: %02x\n",yyr-yycrank);
|
|
*/
|
|
# endif
|
|
yyt = yyr + YYU(yymatch[yych]);
|
|
# ifdef LEXDEBUG
|
|
/*
|
|
fprintf(yyout,"yylook: yyt offs: %02x <= yytop offs: %02x\n",yyt-yycrank,yytop-yycrank);
|
|
fprintf(yyout,"yylook: yyt->verify=%04x yysvec=%04x (yyt->verify+yysvec)=%04x == yystate=%04x\n",yyt->verify,yysvec,(yyt->verify+yysvec),yystate);
|
|
*/
|
|
fprintf(yyout,"yylook: try fall back character\n");
|
|
# endif
|
|
if(yyt <= yytop && yyt->verify+yysvec == yystate)
|
|
{
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: (2a)\n");
|
|
# endif
|
|
|
|
if(yyt->advance+yysvec == YYLERR) /* error transition */
|
|
{
|
|
# ifdef LEXDEBUG
|
|
/* cc65 compiles this ?! fprintf(yyout,"yylook: unput (3) ",); */
|
|
fprintf(yyout,"yylook: unput (3) ");
|
|
printchar("*yylastch",*yylastch);
|
|
# endif
|
|
unput(*--yylastch);
|
|
break;
|
|
}
|
|
*lsp++ = yystate = yyt->advance+yysvec;
|
|
# ifdef LEXDEBUG
|
|
/* fprintf(yyout,"yylook: yyt offs: %02x yyt->advance=%d\n",yyt-yycrank,yyt->advance); */
|
|
fprintf(yyout,"yylook: continue (3)\n");
|
|
# endif
|
|
goto contin;
|
|
|
|
}
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: (2)\n");
|
|
# endif
|
|
}
|
|
if ((yystate = yystate->yyother) && (yyt= yystate->yystoff) != yycrank)
|
|
{
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: fall back to state %d\n",yystate-yysvec-1);
|
|
# endif
|
|
goto tryagain;
|
|
}
|
|
# endif
|
|
else
|
|
{
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: unput (4) ");
|
|
printchar("*yylastch",*yylastch);
|
|
# endif
|
|
unput(*--yylastch);
|
|
break;
|
|
}
|
|
contin:
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: contin state=%d\n",yystate-yysvec-1);
|
|
# endif
|
|
;
|
|
}
|
|
|
|
# ifdef LEXDEBUG
|
|
if((*(lsp-1)-yysvec-1)<0)
|
|
{
|
|
fprintf(yyout,"yylook: stopped (end)\n");
|
|
}
|
|
else
|
|
{
|
|
fprintf(yyout,"yylook: stopped at %d with\n",*(lsp-1)-yysvec-1);
|
|
}
|
|
# 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--;
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: unput (5) ");
|
|
printchar("*yylastch",*yylastch);
|
|
# endif
|
|
unput(*yylastch--);
|
|
}
|
|
}
|
|
yyprevious = YYU(*yylastch);
|
|
yylsp = lsp;
|
|
yyleng = yylastch-yytext+1;
|
|
yytext[yyleng] = 0;
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"\nyylook: match action %d\n",*yyfnd);
|
|
fprintf(yyout,"yylook: done loops: %d\n",testbreak);
|
|
# endif
|
|
return(*yyfnd++);
|
|
}
|
|
unput(*yylastch);
|
|
}
|
|
if (yytext[0] == 0 /* && feof(yyin) */)
|
|
{
|
|
yysptr=yysbuf;
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: done loops: %d\n",testbreak);
|
|
# endif
|
|
return(0);
|
|
}
|
|
yyprevious = yytext[0] = input();
|
|
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: input ");
|
|
printchar("yyprevious",yyprevious);
|
|
# endif
|
|
|
|
if (yyprevious>0)
|
|
output(yyprevious);
|
|
yylastch=yytext;
|
|
# ifdef LEXDEBUG
|
|
/* if(debug)putchar('\n'); */
|
|
# endif
|
|
}
|
|
|
|
# ifdef LEXDEBUG
|
|
fprintf(yyout,"yylook: done loops: %d\n",testbreak);
|
|
fprintf(yyout,"yylook: return <void>\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()
|
|
{
|
|
int out=input();
|
|
|
|
#ifdef YYDEBUG
|
|
fprintf(yyout,"yylook: input ");
|
|
printchar("out",out);
|
|
#endif
|
|
return(out);
|
|
}
|
|
yyoutput(c)
|
|
int c;
|
|
{
|
|
output(c);
|
|
}
|
|
yyunput(c)
|
|
int c;
|
|
{
|
|
unput(c);
|
|
}
|
|
|
|
main()
|
|
{
|
|
printf("main start\n");
|
|
infile = fopen("yacc.in","rb");
|
|
if (infile == NULL) {
|
|
return EXIT_FAILURE;
|
|
}
|
|
outfile = stdout;
|
|
yyparse();
|
|
fclose(infile);
|
|
printf("main end\n");
|
|
return 0;
|
|
}
|
|
|
|
/* yyerror - issue error message */
|
|
yyerror(s)
|
|
char *s;
|
|
{
|
|
printf("[%s]\n", s);
|
|
}
|
|
short yyexca[] =
|
|
{
|
|
-1, 1,
|
|
0, -1,
|
|
-2, 0,
|
|
};
|
|
|
|
# define YYNPROD 15
|
|
# define YYLAST 249
|
|
|
|
short yyact[]=
|
|
{
|
|
12, 2, 9, 8, 17, 11, 25, 17, 15, 18,
|
|
16, 10, 18, 17, 15, 7, 16, 13, 18, 5,
|
|
3, 1, 0, 19, 20, 0, 0, 21, 22, 23,
|
|
24, 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, 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, 6, 14, 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, 4, 6
|
|
};
|
|
short yypact[]=
|
|
{
|
|
-1000, -9,-1000, 5, -7, -59,-1000,-1000,-1000, -40,
|
|
-29, -40, -40,-1000,-1000, -40, -40, -40, -40, -38,
|
|
-35, -38, -38,-1000,-1000,-1000
|
|
};
|
|
short yypgo[]=
|
|
{
|
|
0, 21, 20, 17, 11
|
|
};
|
|
short yyr1[]=
|
|
{
|
|
0, 1, 1, 1, 1, 2, 4, 4, 4, 4,
|
|
4, 4, 4, 4, 3
|
|
};
|
|
short yyr2[]=
|
|
{
|
|
0, 0, 2, 3, 3, 3, 3, 3, 3, 3,
|
|
2, 3, 1, 1, 1
|
|
};
|
|
short yychk[]=
|
|
{
|
|
-1000, -1, 10, -2, 256, -3, 257, 10, 10, 61,
|
|
-4, 45, 40, -3, 258, 43, 45, 42, 47, -4,
|
|
-4, -4, -4, -4, -4, 41
|
|
};
|
|
short yydef[]=
|
|
{
|
|
1, -2, 2, 0, 0, 0, 14, 3, 4, 0,
|
|
5, 0, 0, 12, 13, 0, 0, 0, 0, 10,
|
|
0, 6, 7, 8, 9, 11
|
|
};
|
|
|
|
# define YYFLAG -1000
|
|
# define YYERROR goto yyerrlab
|
|
# define YYACCEPT return(0)
|
|
# define YYABORT return(1)
|
|
|
|
/* parser for yacc output */
|
|
|
|
#ifdef YYDEBUG
|
|
int yydebug = 1; /* 1 for debugging */
|
|
#else
|
|
int yydebug = 0; /* 1 for debugging */
|
|
#endif
|
|
YYSTYPE yyv[YYMAXDEPTH]; /* where the values are stored */
|
|
int yychar = -1; /* current input token number */
|
|
int yynerrs = 0; /* number of errors */
|
|
short yyerrflag = 0; /* error recovery flag */
|
|
|
|
yyparse()
|
|
{
|
|
short yys[YYMAXDEPTH];
|
|
short yyj, yym;
|
|
register YYSTYPE *yypvt;
|
|
register short yystate, *yyps, yyn;
|
|
register YYSTYPE *yypv;
|
|
register short *yyxi;
|
|
|
|
yystate = 0;
|
|
yychar = -1;
|
|
yynerrs = 0;
|
|
yyerrflag = 0;
|
|
yyps= &yys[-1];
|
|
yypv= &yyv[-1];
|
|
|
|
yystack: /* put a state and value onto the stack */
|
|
#ifdef YYDEBUG
|
|
printf("yyparse: yystack\n");
|
|
#endif
|
|
|
|
#ifdef YYDEBUG
|
|
printf("yyparse: yystate=%d, ", yystate);
|
|
printchar("yychar",yychar);
|
|
#endif
|
|
if( ++yyps> &yys[YYMAXDEPTH] )
|
|
{
|
|
yyerror( "yyparse: yacc stack overflow" );
|
|
return(1);
|
|
}
|
|
*yyps = yystate;
|
|
++yypv;
|
|
*yypv = yyval;
|
|
|
|
yynewstate:
|
|
#ifdef YYDEBUG
|
|
printf("yyparse: yynewstate\n");
|
|
#endif
|
|
|
|
yyn = yypact[yystate];
|
|
|
|
if( yyn<= YYFLAG ) goto yydefault; /* simple state */
|
|
|
|
#ifdef YYDEBUG
|
|
printf("yyparse: yynewstate (1)\n");
|
|
#endif
|
|
|
|
if( yychar<0 ) if( (yychar=yylex())<0 ) yychar=0;
|
|
|
|
#ifdef YYDEBUG
|
|
|
|
printf("yyparse: yynewstate yyn=%d ",yyn);
|
|
printchar("yychar",yychar);
|
|
#endif
|
|
|
|
if( (yyn += yychar)<0 || yyn >= YYLAST ) goto yydefault;
|
|
|
|
#ifdef YYDEBUG
|
|
printf("yyparse: yynewstate (2)\n");
|
|
#endif
|
|
|
|
if( yychk[ yyn=yyact[ yyn ] ] == yychar ) /* valid shift */
|
|
{
|
|
yychar = -1;
|
|
yyval = yylval;
|
|
yystate = yyn;
|
|
|
|
#ifdef YYDEBUG
|
|
printf("yyparse: yynewstate (3)\n");
|
|
#endif
|
|
|
|
if( yyerrflag > 0 ) --yyerrflag;
|
|
goto yystack;
|
|
}
|
|
|
|
yydefault:
|
|
#ifdef YYDEBUG
|
|
printf("yyparse: yydefault yystate=%d\n",yystate);
|
|
#endif
|
|
/* default state action */
|
|
|
|
if( (yyn=yydef[yystate]) == -2 )
|
|
{
|
|
if( yychar<0 ) if( (yychar=yylex())<0 ) yychar = 0;
|
|
/* look through exception table */
|
|
|
|
for( yyxi=yyexca; (*yyxi!= (-1)) || (yyxi[1]!=yystate) ; yyxi += 2 ) ; /* VOID */
|
|
|
|
while( *(yyxi+=2) >= 0 )
|
|
{
|
|
if( *yyxi == yychar ) break;
|
|
}
|
|
if( (yyn = yyxi[1]) < 0 ) return(0); /* accept */
|
|
}
|
|
|
|
#ifdef YYDEBUG
|
|
printf("yyparse: yyn=%d yyerrflag=%d\n",yyn,yyerrflag);
|
|
#endif
|
|
|
|
if( yyn == 0 ) /* error */
|
|
{
|
|
/* error ... attempt to resume parsing */
|
|
|
|
switch( yyerrflag ){
|
|
case 0: /* brand new error */
|
|
|
|
yyerror( "yyparse: syntax error" );
|
|
yyerrlab:
|
|
++yynerrs;
|
|
|
|
case 1:
|
|
case 2: /* incompletely recovered error ... try again */
|
|
|
|
yyerrflag = 3;
|
|
|
|
/* find a state where "error" is a legal shift action */
|
|
|
|
while ( yyps >= yys ) {
|
|
yyn = yypact[*yyps] + YYERRCODE;
|
|
if( yyn>= 0 && yyn < YYLAST && yychk[yyact[yyn]] == YYERRCODE ){
|
|
yystate = yyact[yyn]; /* simulate a shift of "error" */
|
|
goto yystack;
|
|
}
|
|
yyn = yypact[*yyps];
|
|
|
|
/* the current yyps has no shift onn "error", pop stack */
|
|
|
|
#ifdef YYDEBUG
|
|
printf("yyparse: error recovery pops state %d, uncovers %d\n", *yyps, yyps[-1] );
|
|
#endif
|
|
--yyps;
|
|
--yypv;
|
|
}
|
|
|
|
/* there is no state on the stack with an error shift ... abort */
|
|
|
|
yyabort:
|
|
return(1);
|
|
|
|
case 3: /* no shift yet; clobber input char */
|
|
|
|
#ifdef YYDEBUG
|
|
printf("yyparse: error recovery discards char ");
|
|
printchar("yychar",yychar);
|
|
#endif
|
|
|
|
if( yychar == 0 ) goto yyabort; /* don't discard EOF, quit */
|
|
yychar = -1;
|
|
goto yynewstate; /* try again in the same state */
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* reduction by production yyn */
|
|
|
|
#ifdef YYDEBUG
|
|
printf("yyparse: reduce %d\n",yyn);
|
|
#endif
|
|
yyps -= yyr2[yyn];
|
|
yypvt = yypv;
|
|
yypv -= yyr2[yyn];
|
|
yyval = yypv[1];
|
|
yym=yyn;
|
|
/* consult goto table to find next state */
|
|
yyn = yyr1[yyn];
|
|
yyj = yypgo[yyn] + *yyps + 1;
|
|
if( yyj>=YYLAST || yychk[ yystate = yyact[yyj] ] != -yyn ) yystate = yyact[yypgo[yyn]];
|
|
|
|
switch(yym)
|
|
{
|
|
case 4:
|
|
{
|
|
yyerrok;
|
|
}
|
|
break;
|
|
case 5:
|
|
{
|
|
printf("[STORE]\n");
|
|
}
|
|
break;
|
|
case 6:
|
|
{
|
|
printf("[ADD]\n");
|
|
}
|
|
break;
|
|
case 7:
|
|
{
|
|
printf("[NEG]\n[ADD]\n");
|
|
}
|
|
break;
|
|
case 8:
|
|
{
|
|
printf("[MUL]\n");
|
|
}
|
|
break;
|
|
case 9:
|
|
{
|
|
printf("[DIV]\n");
|
|
}
|
|
break;
|
|
case 10:
|
|
{
|
|
printf("[NEG]\n");
|
|
}
|
|
break;
|
|
case 12:
|
|
{
|
|
printf("[LOAD]\n");
|
|
}
|
|
break;
|
|
case 13:
|
|
{
|
|
printf("[PUSH %s]\n", yytext);
|
|
}
|
|
break;
|
|
case 14:
|
|
{
|
|
printf("[%s]\n", yytext);
|
|
}
|
|
break;
|
|
}
|
|
|
|
goto yystack; /* stack new state and value */
|
|
}
|
|
|
|
int yywrap()
|
|
{
|
|
return 1;
|
|
}
|