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freebsd-skq/contrib/byacc/test/quote_calc3.tab.c
bapt 913116490c Import byacc from invisible island, it brings us lots of compatibilities with 
bison, keeping full compatibility with our previous yacc implementation.

Also bring the ability to create reentrant parser

This fix bin/140309 [1]

PR:		bin/140309 [1]
Submitted by:	Philippe Pepiot <ksh@philpep.org> [1]
Approved by:	des (mentor)
MFC after:	1 month
2012-05-21 13:31:26 +00:00

689 lines
18 KiB
C
Raw Blame History

#ifndef lint
static const char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93";
#endif
#define YYBYACC 1
#define YYMAJOR 1
#define YYMINOR 9
#define YYEMPTY (-1)
#define yyclearin (yychar = YYEMPTY)
#define yyerrok (yyerrflag = 0)
#define YYRECOVERING() (yyerrflag != 0)
#ifndef yyparse
#define yyparse quote_calc3_parse
#endif /* yyparse */
#ifndef yylex
#define yylex quote_calc3_lex
#endif /* yylex */
#ifndef yyerror
#define yyerror quote_calc3_error
#endif /* yyerror */
#ifndef yychar
#define yychar quote_calc3_char
#endif /* yychar */
#ifndef yyval
#define yyval quote_calc3_val
#endif /* yyval */
#ifndef yylval
#define yylval quote_calc3_lval
#endif /* yylval */
#ifndef yydebug
#define yydebug quote_calc3_debug
#endif /* yydebug */
#ifndef yynerrs
#define yynerrs quote_calc3_nerrs
#endif /* yynerrs */
#ifndef yyerrflag
#define yyerrflag quote_calc3_errflag
#endif /* yyerrflag */
#ifndef yylhs
#define yylhs quote_calc3_lhs
#endif /* yylhs */
#ifndef yylen
#define yylen quote_calc3_len
#endif /* yylen */
#ifndef yydefred
#define yydefred quote_calc3_defred
#endif /* yydefred */
#ifndef yydgoto
#define yydgoto quote_calc3_dgoto
#endif /* yydgoto */
#ifndef yysindex
#define yysindex quote_calc3_sindex
#endif /* yysindex */
#ifndef yyrindex
#define yyrindex quote_calc3_rindex
#endif /* yyrindex */
#ifndef yygindex
#define yygindex quote_calc3_gindex
#endif /* yygindex */
#ifndef yytable
#define yytable quote_calc3_table
#endif /* yytable */
#ifndef yycheck
#define yycheck quote_calc3_check
#endif /* yycheck */
#ifndef yyname
#define yyname quote_calc3_name
#endif /* yyname */
#ifndef yyrule
#define yyrule quote_calc3_rule
#endif /* yyrule */
#define YYPREFIX "quote_calc3_"
#define YYPURE 0
#line 2 "quote_calc3.y"
# include <stdio.h>
# include <ctype.h>
int regs[26];
int base;
int yylex(void);
static void yyerror(const char *s);
#line 109 "quote_calc3.tab.c"
#ifndef YYSTYPE
typedef int YYSTYPE;
#endif
/* compatibility with bison */
#ifdef YYPARSE_PARAM
/* compatibility with FreeBSD */
# ifdef YYPARSE_PARAM_TYPE
# define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
# else
# define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
# endif
#else
# define YYPARSE_DECL() yyparse(void)
#endif
/* Parameters sent to lex. */
#ifdef YYLEX_PARAM
# define YYLEX_DECL() yylex(void *YYLEX_PARAM)
# define YYLEX yylex(YYLEX_PARAM)
#else
# define YYLEX_DECL() yylex(void)
# define YYLEX yylex()
#endif
/* Parameters sent to yyerror. */
#ifndef YYERROR_DECL
#define YYERROR_DECL() yyerror(const char *s)
#endif
#ifndef YYERROR_CALL
#define YYERROR_CALL(msg) yyerror(msg)
#endif
extern int YYPARSE_DECL();
#define OP_ADD 257
#define OP_SUB 259
#define OP_MUL 261
#define OP_DIV 263
#define OP_MOD 265
#define OP_AND 267
#define DIGIT 269
#define LETTER 270
#define UMINUS 271
#define YYERRCODE 256
static const short quote_calc3_lhs[] = { -1,
0, 0, 0, 1, 1, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 3, 3,
};
static const short quote_calc3_len[] = { 2,
0, 3, 3, 1, 3, 3, 3, 3, 3, 3,
3, 3, 3, 2, 1, 1, 1, 2,
};
static const short quote_calc3_defred[] = { 1,
0, 0, 0, 17, 0, 0, 0, 0, 0, 3,
15, 0, 0, 0, 2, 0, 0, 0, 0, 0,
0, 0, 18, 0, 6, 0, 0, 0, 0, 0,
0, 0,
};
static const short quote_calc3_dgoto[] = { 1,
7, 8, 9,
};
static const short quote_calc3_sindex[] = { 0,
-38, 5, -36, 0, -51, -36, 7, -121, -248, 0,
0, -243, -36, -22, 0, -36, -36, -36, -36, -36,
-36, -36, 0, -121, 0, -121, -121, -121, -121, -121,
-121, -243,
};
static const short quote_calc3_rindex[] = { 0,
0, 0, 0, 0, -9, 0, 0, 13, -10, 0,
0, -5, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 15, 0, -3, -2, -1, 1, 2,
3, -4,
};
static const short quote_calc3_gindex[] = { 0,
0, 42, 0,
};
#define YYTABLESIZE 258
static const short quote_calc3_table[] = { 16,
15, 6, 22, 6, 14, 13, 7, 8, 9, 13,
10, 11, 12, 16, 10, 17, 15, 18, 25, 19,
23, 20, 4, 21, 5, 0, 0, 0, 0, 0,
16, 0, 0, 0, 0, 14, 13, 7, 8, 9,
0, 10, 11, 12, 12, 0, 0, 14, 0, 0,
0, 0, 0, 0, 24, 0, 0, 26, 27, 28,
29, 30, 31, 32, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 22, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 16, 15, 0, 0, 0, 14, 13,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 16, 0, 17, 0, 18,
0, 19, 0, 20, 0, 21, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 2, 0, 0,
3, 0, 3, 0, 0, 0, 0, 0, 0, 0,
4, 5, 4, 11, 16, 0, 17, 0, 18, 0,
19, 0, 20, 0, 21, 0, 16, 15, 16, 15,
16, 15, 16, 15, 16, 15, 16, 15,
};
static const short quote_calc3_check[] = { 10,
10, 40, 124, 40, 10, 10, 10, 10, 10, 61,
10, 10, 10, 257, 10, 259, 10, 261, 41, 263,
269, 265, 10, 267, 10, -1, -1, -1, -1, -1,
41, -1, -1, -1, -1, 41, 41, 41, 41, 41,
-1, 41, 41, 41, 3, -1, -1, 6, -1, -1,
-1, -1, -1, -1, 13, -1, -1, 16, 17, 18,
19, 20, 21, 22, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, 124, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, 124, 124, -1, -1, -1, 124, 124,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, 257, -1, 259, -1, 261,
-1, 263, -1, 265, -1, 267, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, 256, -1, -1,
259, -1, 259, -1, -1, -1, -1, -1, -1, -1,
269, 270, 269, 270, 257, -1, 259, -1, 261, -1,
263, -1, 265, -1, 267, -1, 257, 257, 259, 259,
261, 261, 263, 263, 265, 265, 267, 267,
};
#define YYFINAL 1
#ifndef YYDEBUG
#define YYDEBUG 0
#endif
#define YYMAXTOKEN 271
#if YYDEBUG
static const char *yyname[] = {
"end-of-file",0,0,0,0,0,0,0,0,0,"'\\n'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,"'%'","'&'",0,"'('","')'","'*'","'+'",0,"'-'",0,"'/'",0,0,0,0,0,0,0,
0,0,0,0,0,0,"'='",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'|'",0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,"OP_ADD","\"ADD-operator\"","OP_SUB","\"SUB-operator\"","OP_MUL",
"\"MUL-operator\"","OP_DIV","\"DIV-operator\"","OP_MOD","\"MOD-operator\"",
"OP_AND","\"AND-operator\"","DIGIT","LETTER","UMINUS",
};
static const char *yyrule[] = {
"$accept : list",
"list :",
"list : list stat '\\n'",
"list : list error '\\n'",
"stat : expr",
"stat : LETTER '=' expr",
"expr : '(' expr ')'",
"expr : expr OP_ADD expr",
"expr : expr OP_SUB expr",
"expr : expr OP_MUL expr",
"expr : expr OP_DIV expr",
"expr : expr OP_MOD expr",
"expr : expr OP_AND expr",
"expr : expr '|' expr",
"expr : OP_SUB expr",
"expr : LETTER",
"expr : number",
"number : DIGIT",
"number : number DIGIT",
};
#endif
int yydebug;
int yynerrs;
int yyerrflag;
int yychar;
YYSTYPE yyval;
YYSTYPE yylval;
/* define the initial stack-sizes */
#ifdef YYSTACKSIZE
#undef YYMAXDEPTH
#define YYMAXDEPTH YYSTACKSIZE
#else
#ifdef YYMAXDEPTH
#define YYSTACKSIZE YYMAXDEPTH
#else
#define YYSTACKSIZE 500
#define YYMAXDEPTH 500
#endif
#endif
#define YYINITSTACKSIZE 500
typedef struct {
unsigned stacksize;
short *s_base;
short *s_mark;
short *s_last;
YYSTYPE *l_base;
YYSTYPE *l_mark;
} YYSTACKDATA;
/* variables for the parser stack */
static YYSTACKDATA yystack;
#line 73 "quote_calc3.y"
/* start of programs */
int
main (void)
{
while(!feof(stdin)) {
yyparse();
}
return 0;
}
static void
yyerror(const char *s)
{
fprintf(stderr, "%s\n", s);
}
int
yylex(void) {
/* lexical analysis routine */
/* returns LETTER for a lower case letter, yylval = 0 through 25 */
/* return DIGIT for a digit, yylval = 0 through 9 */
/* all other characters are returned immediately */
int c;
while( (c=getchar()) == ' ' ) { /* skip blanks */ }
/* c is now nonblank */
if( islower( c )) {
yylval = c - 'a';
return ( LETTER );
}
if( isdigit( c )) {
yylval = c - '0';
return ( DIGIT );
}
return( c );
}
#line 362 "quote_calc3.tab.c"
#if YYDEBUG
#include <stdio.h> /* needed for printf */
#endif
#include <stdlib.h> /* needed for malloc, etc */
#include <string.h> /* needed for memset */
/* allocate initial stack or double stack size, up to YYMAXDEPTH */
static int yygrowstack(YYSTACKDATA *data)
{
int i;
unsigned newsize;
short *newss;
YYSTYPE *newvs;
if ((newsize = data->stacksize) == 0)
newsize = YYINITSTACKSIZE;
else if (newsize >= YYMAXDEPTH)
return -1;
else if ((newsize *= 2) > YYMAXDEPTH)
newsize = YYMAXDEPTH;
i = data->s_mark - data->s_base;
newss = (short *)realloc(data->s_base, newsize * sizeof(*newss));
if (newss == 0)
return -1;
data->s_base = newss;
data->s_mark = newss + i;
newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
if (newvs == 0)
return -1;
data->l_base = newvs;
data->l_mark = newvs + i;
data->stacksize = newsize;
data->s_last = data->s_base + newsize - 1;
return 0;
}
#if YYPURE || defined(YY_NO_LEAKS)
static void yyfreestack(YYSTACKDATA *data)
{
free(data->s_base);
free(data->l_base);
memset(data, 0, sizeof(*data));
}
#else
#define yyfreestack(data) /* nothing */
#endif
#define YYABORT goto yyabort
#define YYREJECT goto yyabort
#define YYACCEPT goto yyaccept
#define YYERROR goto yyerrlab
int
YYPARSE_DECL()
{
int yym, yyn, yystate;
#if YYDEBUG
const char *yys;
if ((yys = getenv("YYDEBUG")) != 0)
{
yyn = *yys;
if (yyn >= '0' && yyn <= '9')
yydebug = yyn - '0';
}
#endif
yynerrs = 0;
yyerrflag = 0;
yychar = YYEMPTY;
yystate = 0;
#if YYPURE
memset(&yystack, 0, sizeof(yystack));
#endif
if (yystack.s_base == NULL && yygrowstack(&yystack)) goto yyoverflow;
yystack.s_mark = yystack.s_base;
yystack.l_mark = yystack.l_base;
yystate = 0;
*yystack.s_mark = 0;
yyloop:
if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
if (yychar < 0)
{
if ((yychar = YYLEX) < 0) yychar = 0;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, reading %d (%s)\n",
YYPREFIX, yystate, yychar, yys);
}
#endif
}
if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, shifting to state %d\n",
YYPREFIX, yystate, yytable[yyn]);
#endif
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack))
{
goto yyoverflow;
}
yystate = yytable[yyn];
*++yystack.s_mark = yytable[yyn];
*++yystack.l_mark = yylval;
yychar = YYEMPTY;
if (yyerrflag > 0) --yyerrflag;
goto yyloop;
}
if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
{
yyn = yytable[yyn];
goto yyreduce;
}
if (yyerrflag) goto yyinrecovery;
yyerror("syntax error");
goto yyerrlab;
yyerrlab:
++yynerrs;
yyinrecovery:
if (yyerrflag < 3)
{
yyerrflag = 3;
for (;;)
{
if ((yyn = yysindex[*yystack.s_mark]) && (yyn += YYERRCODE) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, error recovery shifting\
to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
#endif
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack))
{
goto yyoverflow;
}
yystate = yytable[yyn];
*++yystack.s_mark = yytable[yyn];
*++yystack.l_mark = yylval;
goto yyloop;
}
else
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: error recovery discarding state %d\n",
YYPREFIX, *yystack.s_mark);
#endif
if (yystack.s_mark <= yystack.s_base) goto yyabort;
--yystack.s_mark;
--yystack.l_mark;
}
}
}
else
{
if (yychar == 0) goto yyabort;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
YYPREFIX, yystate, yychar, yys);
}
#endif
yychar = YYEMPTY;
goto yyloop;
}
yyreduce:
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, reducing by rule %d (%s)\n",
YYPREFIX, yystate, yyn, yyrule[yyn]);
#endif
yym = yylen[yyn];
if (yym)
yyval = yystack.l_mark[1-yym];
else
memset(&yyval, 0, sizeof yyval);
switch (yyn)
{
case 3:
#line 35 "quote_calc3.y"
{ yyerrok ; }
break;
case 4:
#line 39 "quote_calc3.y"
{ printf("%d\n",yystack.l_mark[0]);}
break;
case 5:
#line 41 "quote_calc3.y"
{ regs[yystack.l_mark[-2]] = yystack.l_mark[0]; }
break;
case 6:
#line 45 "quote_calc3.y"
{ yyval = yystack.l_mark[-1]; }
break;
case 7:
#line 47 "quote_calc3.y"
{ yyval = yystack.l_mark[-2] + yystack.l_mark[0]; }
break;
case 8:
#line 49 "quote_calc3.y"
{ yyval = yystack.l_mark[-2] - yystack.l_mark[0]; }
break;
case 9:
#line 51 "quote_calc3.y"
{ yyval = yystack.l_mark[-2] * yystack.l_mark[0]; }
break;
case 10:
#line 53 "quote_calc3.y"
{ yyval = yystack.l_mark[-2] / yystack.l_mark[0]; }
break;
case 11:
#line 55 "quote_calc3.y"
{ yyval = yystack.l_mark[-2] % yystack.l_mark[0]; }
break;
case 12:
#line 57 "quote_calc3.y"
{ yyval = yystack.l_mark[-2] & yystack.l_mark[0]; }
break;
case 13:
#line 59 "quote_calc3.y"
{ yyval = yystack.l_mark[-2] | yystack.l_mark[0]; }
break;
case 14:
#line 61 "quote_calc3.y"
{ yyval = - yystack.l_mark[0]; }
break;
case 15:
#line 63 "quote_calc3.y"
{ yyval = regs[yystack.l_mark[0]]; }
break;
case 17:
#line 68 "quote_calc3.y"
{ yyval = yystack.l_mark[0]; base = (yystack.l_mark[0]==0) ? 8 : 10; }
break;
case 18:
#line 70 "quote_calc3.y"
{ yyval = base * yystack.l_mark[-1] + yystack.l_mark[0]; }
break;
#line 628 "quote_calc3.tab.c"
}
yystack.s_mark -= yym;
yystate = *yystack.s_mark;
yystack.l_mark -= yym;
yym = yylhs[yyn];
if (yystate == 0 && yym == 0)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: after reduction, shifting from state 0 to\
state %d\n", YYPREFIX, YYFINAL);
#endif
yystate = YYFINAL;
*++yystack.s_mark = YYFINAL;
*++yystack.l_mark = yyval;
if (yychar < 0)
{
if ((yychar = YYLEX) < 0) yychar = 0;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, reading %d (%s)\n",
YYPREFIX, YYFINAL, yychar, yys);
}
#endif
}
if (yychar == 0) goto yyaccept;
goto yyloop;
}
if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
yystate = yytable[yyn];
else
yystate = yydgoto[yym];
#if YYDEBUG
if (yydebug)
printf("%sdebug: after reduction, shifting from state %d \
to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
#endif
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack))
{
goto yyoverflow;
}
*++yystack.s_mark = (short) yystate;
*++yystack.l_mark = yyval;
goto yyloop;
yyoverflow:
yyerror("yacc stack overflow");
yyabort:
yyfreestack(&yystack);
return (1);
yyaccept:
yyfreestack(&yystack);
return (0);
}
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