mirror of https://github.com/cc65/cc65.git
1007 lines
28 KiB
C
1007 lines
28 KiB
C
/*
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!!DESCRIPTION!!
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!!ORIGIN!! LCC 4.1 Testsuite
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!!LICENCE!! own, freely distributeable for non-profit. read CPYRIGHT.LCC
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*/
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/*#define STANDALONE*/
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#include "common.h"
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#ifndef YACCDBG
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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/*
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#define LEXDEBUG
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#define YYDEBUG
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*/
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#endif
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FILE *infile, *outfile;
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#define getchar() fgetc(infile)
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/* hack the original tables to work with both petscii and ascii */
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#define CHARSETHACK
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# define ID 257
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# define CON 258
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# define UNARYMINUS 259
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#define yyclearin yychar = -1
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#define yyerrok yyerrflag = 0
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extern int yychar;
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extern short yyerrflag;
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#ifndef YYMAXDEPTH
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/*#define YYMAXDEPTH 150*/
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#define YYMAXDEPTH 50
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#endif
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#ifndef YYSTYPE
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#define YYSTYPE int
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#endif
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YYSTYPE yylval, yyval;
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# define YYERRCODE 256
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# define U(x) x
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# define NLSTATE yyprevious=YYNEWLINE
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# define BEGIN yybgin = yysvec + 1 +
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# define INITIAL 0
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# define YYLERR yysvec
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# define YYSTATE (yyestate-yysvec-1)
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# define YYOPTIM 1
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# define YYLMAX 200
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# define output(c) (void)putc(c,yyout)
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/* # define input() (((yytchar=yysptr>yysbuf?U(*--yysptr):getc(yyin))==10?(yylineno++,yytchar):yytchar)==EOF?0:yytchar) */
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# define input() (((yytchar=yysptr>yysbuf?U(*--yysptr):getchar())==('\n')?(yylineno++,yytchar):yytchar)==EOF?0:yytchar)
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# define unput(c) {yytchar= (c);if(yytchar=='\n')yylineno--;*yysptr++=yytchar;}
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# define yymore() (yymorfg=1)
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# define ECHO fprintf(yyout, "%s",yytext)
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# define REJECT { nstr = yyreject(); goto yyfussy;}
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int yyleng; extern char yytext[];
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int yymorfg;
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extern char *yysptr, yysbuf[];
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int yytchar;
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#define yyin infile
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#define yyout outfile
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extern int yylineno;
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struct yysvf
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{
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struct yywork *yystoff;
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struct yysvf *yyother;
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int *yystops;
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};
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struct yysvf *yyestate;
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extern struct yysvf yysvec[], *yybgin;
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/*# define YYNEWLINE 10 */
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# define YYNEWLINE ('\n')
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#ifdef NO_IMPLICIT_FUNC_PROTOTYPES
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yylook();
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int yywrap();
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yyparse();
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yyerror(char *s);
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yyunput(int c);
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yyoutput(int c);
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yyinput();
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yyback(int *p,int m);
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#endif
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#ifdef YYDEBUG
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void printchar(char *name,int ch)
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{
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if((ch==YYNEWLINE))
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{
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fprintf(yyout," %s=YYNEWLINE\n",name);
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}
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else if((ch<0)||(ch>0xf0)||(!isprint(ch)))
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{
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fprintf(yyout," %s=%04x\n",name,ch &0xffff);
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}
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else
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{
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fprintf(yyout," %s='%c'\n",name,ch);
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}
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}
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#endif
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yylex()
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{
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int nstr;
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extern int yyprevious;
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#ifdef YYDEBUG
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fprintf(yyout,"yylex()\n");
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#endif
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while((nstr = yylook()) >= 0)
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{
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#ifdef YYDEBUG
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fprintf(yyout,"yylex: nstr=%d\n",nstr);
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#endif
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yyfussy:
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switch(nstr)
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{
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case 0:
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if(yywrap()) return(0);
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break;
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case 1:
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return ID;
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break;
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case 2:
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return CON;
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break;
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case 3:
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;
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break;
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case 4:
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return yytext[0];
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break;
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case -1:
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break;
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default:
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fprintf(yyout,"yylex: bad switch yylook %d\n",nstr);
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}
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}
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#ifdef YYDEBUG
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fprintf(yyout,"yylex: return 0\n");
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#endif
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return(0);
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}
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/* end of yylex */
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int yyvstop[] =
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{
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0,4,0,3,4,0,2,4,0,1,4,0,2,0,1,0,0
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};
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# define YYTYPE char
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struct yywork
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{
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YYTYPE verify, advance;
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} yycrank[] =
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{
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{0,0}, {0,0}, {1,3}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {1,4}, {1,3},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {1,5}, {5,7}, {5,7},
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{5,7}, {5,7}, {5,7}, {5,7},
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{5,7}, {5,7}, {5,7}, {5,7},
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{0,0}, {0,0}, {0,0}, {0,0},
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/* 0x40 */
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{0,0}, {0,0}, {1,6}, {6,8},
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{6,8}, {6,8}, {6,8}, {6,8},
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{6,8}, {6,8}, {6,8}, {6,8},
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{6,8}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{6,8}, {6,8}, {6,8}, {6,8},
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{6,8}, {6,8}, {6,8}, {6,8},
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{6,8}, {6,8}, {6,8}, {6,8},
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{6,8}, {6,8}, {6,8}, {6,8},
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{6,8}, {6,8}, {6,8}, {6,8},
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{6,8}, {6,8}, {6,8}, {6,8},
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{6,8}, {6,8}, {0,0}, {0,0},
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{0,0}, {0,0}, {6,8}, {0,0},
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{6,8}, {6,8}, {6,8}, {6,8},
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{6,8}, {6,8}, {6,8}, {6,8},
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{6,8}, {6,8}, {6,8}, {6,8},
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/* 0x80 */
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{6,8}, {6,8}, {6,8}, {6,8},
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{6,8}, {6,8}, {6,8}, {6,8},
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{6,8}, {6,8}, {6,8}, {6,8},
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{6,8}, {6,8}, {0,0}, {0,0},
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#ifdef CHARSETHACK
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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{0,0}, {0,0}, {0,0}, {0,0},
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/* 0xc0 */
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{0,0}, {0,0}, {1,6}, {6,8},
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{6,8}, {6,8}, {6,8}, {6,8},
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{6,8}, {6,8}, {6,8}, {6,8},
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{6,8}, {0,0}, {0,0}, {0,0},
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#endif
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{0,0}
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};
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/*
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struct yysvf
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{
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struct yywork *yystoff;
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struct yysvf *yyother;
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int *yystops;
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};
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*/
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struct yysvf yysvec[] =
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{
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{0, 0, 0},
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{yycrank+-1, 0, 0},
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{yycrank+0, yysvec+1, 0},
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{yycrank+0, 0, yyvstop+1},
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{yycrank+0, 0, yyvstop+3},
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{yycrank+2, 0, yyvstop+6},
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{yycrank+19, 0, yyvstop+9},
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{yycrank+0, yysvec+5, yyvstop+12},
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{yycrank+0, yysvec+6, yyvstop+14},
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{0, 0, 0}
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};
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/* 0x8d */
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/* struct yywork *yytop = yycrank+141; */
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/* 0xff */
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struct yywork *yytop = yycrank+255;
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struct yysvf *yybgin = yysvec+1;
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/*
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WARNING: this table contains one entry per character
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in the execution character set and must match it.
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*/
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char yymatch[] =
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{
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00 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
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#ifdef CHARSETHACK
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01 ,011 ,012 ,01 ,01 ,012 ,01 ,01 ,
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#else
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01 ,011 ,012 ,01 ,01 ,01 ,01 ,01 ,
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#endif
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01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
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01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
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011 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
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01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
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'0' ,'0' ,'0' ,'0' ,'0' ,'0' ,'0' ,'0' ,
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'0' ,'0' ,01 ,01 ,01 ,01 ,01 ,01 ,
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/* 0x40 (ascii) @A... (petscii) @a... */
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01 ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,
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'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,
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'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,
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'A' ,'A' ,'A' ,01 ,01 ,01 ,01 ,'A' ,
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/* 0x60 (ascii) @a... */
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01 ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,
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'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,
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'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,
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'A' ,'A' ,'A' ,01 ,01 ,01 ,01 ,01 ,
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#ifdef CHARSETHACK
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/* 0x80 */
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0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
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0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
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0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
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0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
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/* 0xc0 (petcii) @A... */
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01 ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,
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'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,
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'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,
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'A' ,'A' ,'A' ,01 ,01 ,01 ,01 ,01 ,
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0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
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0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
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0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
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#endif
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0
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};
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char yyextra[] =
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{
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0,0,0,0,0,0,0,0,0
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};
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/* ncform 4.1 83/08/11 */
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int yylineno =1;
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# define YYU(x) x
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# define NLSTATE yyprevious=YYNEWLINE
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char yytext[YYLMAX];
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struct yysvf *yylstate [YYLMAX], **yylsp, **yyolsp;
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char yysbuf[YYLMAX];
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char *yysptr = yysbuf;
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int *yyfnd;
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extern struct yysvf *yyestate;
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int yyprevious = YYNEWLINE;
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unsigned char testbreak=0;
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yylook()
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{
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register struct yysvf *yystate, **lsp;
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register struct yywork *yyt;
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struct yysvf *yyz;
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int yych;
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struct yywork *yyr;
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/*
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# ifdef LEXDEBUG
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int debug;
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# endif
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*/
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char *yylastch;
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/* start off machines */
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/*
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# ifdef LEXDEBUG
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debug = 1;
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# else
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debug = 0;
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# endif
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*/
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# ifdef LEXDEBUG
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#define debug 1
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# else
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#define debug 0
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#endif
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#ifdef YYDEBUG
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fprintf(yyout,"yylook()\n");
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# endif
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if (!yymorfg)
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yylastch = yytext;
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else
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{
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yymorfg=0;
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yylastch = yytext+yyleng;
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}
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#ifdef YYDEBUG
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fprintf(yyout,"yylook: yymorfg=%d\n",yymorfg);
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# endif
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for(;;)
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{
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#ifdef YYDEBUG
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fprintf(yyout,"yylook: (outer loop)");
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printchar("yyprevious",yyprevious);
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# endif
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lsp = yylstate;
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yyestate = yystate = yybgin;
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if (yyprevious==YYNEWLINE) yystate++;
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testbreak=0;
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for (;;)
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{
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# ifdef LEXDEBUG
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fprintf(yyout,"yylook: (inner loop) state %d\n",yystate-yysvec-1);
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# endif
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if(testbreak==5)
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{
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fprintf(yyout,"yylook: error, aborted after 5 loops\n");
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exit(EXIT_FAILURE);
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}
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testbreak++;
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yyt = yystate->yystoff;
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/* fprintf(yyout,"yylook: yyt offs: %02x\n",yyt-yycrank); */
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if(yyt == yycrank)
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{ /* may not be any transitions */
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yyz = yystate->yyother;
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if(yyz == 0)break;
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if(yyz->yystoff == yycrank)break;
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}
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*yylastch++ = yych = input();
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# ifdef LEXDEBUG
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fprintf(yyout,"yylook: input ");
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printchar("yych",yych);
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# endif
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tryagain:
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# ifdef LEXDEBUG
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/* fprintf(yyout,"yylook: yych=%02x yymatch[yych]=%02x\n",yych,yymatch[yych]); */
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fprintf(yyout,"yylook: tryagain\n");
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# endif
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yyr = yyt;
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/* fprintf(yyout,"yylook: yyr offs: %02x\n",yyr-yycrank); */
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if ( yyt > yycrank)
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{
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yyt = yyr + yych;
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if (yyt <= yytop && yyt->verify+yysvec == yystate)
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{
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if(yyt->advance+yysvec == YYLERR) /* error transitions */
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{
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# ifdef LEXDEBUG
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fprintf(yyout,"yylook: unput (1) ");
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printchar("*yylastch",*yylastch);
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# endif
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unput(*--yylastch);
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break;
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}
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*lsp++ = yystate = yyt->advance+yysvec;
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# ifdef LEXDEBUG
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fprintf(yyout,"yylook: continue (1)\n");
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# endif
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goto contin;
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}
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# ifdef LEXDEBUG
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fprintf(yyout,"yylook: ( yyt > yycrank)\n");
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# endif
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}
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# ifdef YYOPTIM
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else if(yyt < yycrank) /* r < yycrank */
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{
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yyt = yyr = yycrank+(yycrank-yyt);
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# ifdef LEXDEBUG
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fprintf(yyout,"yylook: compressed state\n");
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# endif
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yyt = yyt + yych;
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if(yyt <= yytop && yyt->verify+yysvec == yystate)
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{
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# ifdef LEXDEBUG
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fprintf(yyout,"yylook: (1)\n");
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# endif
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if(yyt->advance+yysvec == YYLERR) /* error transitions */
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{
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# ifdef LEXDEBUG
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fprintf(yyout,"yylook: unput (2) ");
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printchar("*yylastch",*yylastch);
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# endif
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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 == yylstate)
|
|
{
|
|
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,"yylook: 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;
|
|
}
|