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libs-steptalk/Languages/Smalltalk/STGrammar.m

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Initial revision git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/steptalk/trunk@13642 72102866-910b-0410-8b05-ffd578937521
2002-05-13 22:13:06 +00:00
/* A Bison parser, made from STGrammar.y
by GNU Bison version 1.25
*/
#define YYBISON 1 /* Identify Bison output. */
#define yyparse STCparse
#define yylex STClex
#define yyerror STCerror
#define yylval STClval
#define yychar STCchar
#define yydebug STCdebug
#define yynerrs STCnerrs
#define TK_SEPARATOR 258
#define TK_BAR 259
#define TK_ASSIGNMENT 260
#define TK_LPAREN 261
#define TK_RPAREN 262
#define TK_BLOCK_OPEN 263
#define TK_BLOCK_CLOSE 264
#define TK_ARRAY_OPEN 265
#define TK_DOT 266
#define TK_COLON 267
#define TK_SEMICOLON 268
#define TK_RETURN 269
#define TK_IDENTIFIER 270
#define TK_BINARY_SELECTOR 271
#define TK_KEYWORD 272
#define TK_NUMBER 273
#define TK_SYMBOL 274
#define TK_STRING 275
#define TK_CHARACTER 276
#line 25 "STGrammar.y"
#define YYSTYPE id
#define YYLTYPE int
#undef YYDEBUG
#import <Foundation/NSException.h>
#import "STCompiler.h"
#import "STCompilerUtils.h"
#import "STSourceReader.h"
#import <StepTalk/STExterns.h>
/* extern int STCerror(const char *str);
extern int STClex (YYSTYPE *lvalp, void *context);
*/
#define YYPARSE_PARAM context
#define YYLEX_PARAM context
#define YYERROR_VERBOSE
#define CONTEXT ((STParserContext *)context)
#define COMPILER (CONTEXT->compiler)
#define READER (CONTEXT->reader)
#define RESULT (CONTEXT->result)
#ifndef YYSTYPE
#define YYSTYPE int
#endif
#include <stdio.h>
#ifndef __cplusplus
#ifndef __STDC__
#define const
#endif
#endif
#define YYFINAL 115
#define YYFLAG -32768
#define YYNTBASE 22
#define YYTRANSLATE(x) ((unsigned)(x) <= 276 ? yytranslate[x] : 57)
static const char yytranslate[] = { 0,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 1, 2, 3, 4, 5,
6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21
};
#if YYDEBUG != 0
static const short yyprhs[] = { 0,
0, 1, 3, 8, 10, 13, 14, 18, 20, 22,
26, 29, 33, 35, 38, 40, 43, 47, 51, 53,
56, 59, 63, 69, 72, 76, 79, 81, 84, 89,
91, 95, 97, 100, 102, 105, 107, 110, 112, 115,
118, 121, 124, 128, 130, 133, 135, 137, 139, 141,
144, 148, 151, 154, 158, 160, 162, 164, 166, 168,
170, 172, 176, 178, 180, 182, 184, 186, 188, 190,
192, 196, 198, 200, 203, 206, 208, 210
};
static const short yyrhs[] = { -1,
23, 0, 8, 4, 24, 9, 0, 34, 0, 30,
34, 0, 0, 33, 25, 26, 0, 26, 0, 27,
0, 26, 3, 27, 0, 28, 34, 0, 28, 30,
34, 0, 51, 0, 52, 50, 0, 29, 0, 53,
50, 0, 29, 53, 50, 0, 4, 31, 4, 0,
50, 0, 31, 50, 0, 8, 9, 0, 8, 34,
9, 0, 8, 33, 4, 34, 9, 0, 12, 50,
0, 33, 12, 50, 0, 14, 36, 0, 35, 0,
35, 11, 0, 35, 11, 14, 36, 0, 36, 0,
35, 11, 36, 0, 49, 0, 37, 49, 0, 42,
0, 37, 42, 0, 39, 0, 37, 39, 0, 38,
0, 37, 38, 0, 50, 5, 0, 42, 40, 0,
13, 41, 0, 40, 13, 41, 0, 51, 0, 52,
47, 0, 46, 0, 43, 0, 44, 0, 45, 0,
47, 51, 0, 48, 52, 47, 0, 48, 46, 0,
53, 48, 0, 46, 53, 48, 0, 49, 0, 43,
0, 47, 0, 44, 0, 50, 0, 54, 0, 32,
0, 6, 36, 7, 0, 15, 0, 15, 0, 16,
0, 17, 0, 18, 0, 19, 0, 20, 0, 21,
0, 10, 55, 7, 0, 54, 0, 56, 0, 55,
54, 0, 55, 56, 0, 15, 0, 52, 0, 17,
0
};
#endif
#if YYDEBUG != 0
static const short yyrline[] = { 0,
66, 71, 75, 81, 86, 94, 101, 101, 104, 108,
114, 119, 127, 133, 138, 141, 146, 153, 157, 162,
169, 173, 177, 183, 188, 194, 200, 206, 211, 219,
225, 231, 236, 242, 243, 248, 249, 255, 260, 267,
270, 276, 281, 287, 292, 297, 300, 301, 302, 304,
313, 322, 328, 333, 339, 340, 342, 343, 345, 349,
353, 357, 362, 364, 366, 368, 370, 372, 374, 376,
378, 381, 383, 385, 386, 388, 390, 392
};
#endif
#if YYDEBUG != 0 || defined (YYERROR_VERBOSE)
static const char * const yytname[] = { "$","error","$undefined.","TK_SEPARATOR",
"TK_BAR","TK_ASSIGNMENT","TK_LPAREN","TK_RPAREN","TK_BLOCK_OPEN","TK_BLOCK_CLOSE",
"TK_ARRAY_OPEN","TK_DOT","TK_COLON","TK_SEMICOLON","TK_RETURN","TK_IDENTIFIER",
"TK_BINARY_SELECTOR","TK_KEYWORD","TK_NUMBER","TK_SYMBOL","TK_STRING","TK_CHARACTER",
"source","single_method","methods","@1","method_list","method","message_pattern",
"keyword_list","temporaries","variable_list","block","block_var_list","statements",
"expressions","expression","assignments","assignment","cascade","cascade_list",
"cascade_item","message_expression","unary_expression","binary_expression","keyword_expression",
"keyword_expr_list","unary_object","binary_object","primary","variable_name",
"unary_selector","binary_selector","keyword","literal","array","symbol", NULL
};
#endif
static const short yyr1[] = { 0,
22, 22, 22, 23, 23, 25, 24, 24, 26, 26,
27, 27, 28, 28, 28, 29, 29, 30, 31, 31,
32, 32, 32, 33, 33, 34, 34, 34, 34, 35,
35, 36, 36, 36, 36, 36, 36, 37, 37, 38,
39, 40, 40, 41, 41, 41, 42, 42, 42, 43,
44, 45, 46, 46, 47, 47, 48, 48, 49, 49,
49, 49, 50, 51, 52, 53, 54, 54, 54, 54,
54, 55, 55, 55, 55, 56, 56, 56
};
static const short yyr2[] = { 0,
0, 1, 4, 1, 2, 0, 3, 1, 1, 3,
2, 3, 1, 2, 1, 2, 3, 3, 1, 2,
2, 3, 5, 2, 3, 2, 1, 2, 4, 1,
3, 1, 2, 1, 2, 1, 2, 1, 2, 2,
2, 2, 3, 1, 2, 1, 1, 1, 1, 2,
3, 2, 2, 3, 1, 1, 1, 1, 1, 1,
1, 3, 1, 1, 1, 1, 1, 1, 1, 1,
3, 1, 1, 2, 2, 1, 1, 1
};
static const short yydefact[] = { 1,
0, 0, 0, 0, 0, 63, 67, 68, 69, 70,
2, 0, 61, 4, 27, 30, 0, 38, 36, 34,
47, 48, 49, 57, 0, 32, 59, 60, 0, 19,
0, 0, 0, 21, 0, 0, 0, 76, 65, 78,
77, 72, 0, 73, 26, 5, 28, 39, 37, 35,
33, 0, 41, 64, 50, 66, 52, 0, 0, 40,
18, 20, 62, 0, 8, 9, 0, 15, 6, 13,
0, 0, 24, 0, 0, 22, 71, 74, 75, 0,
31, 42, 46, 44, 0, 0, 0, 56, 51, 55,
59, 58, 53, 3, 0, 0, 11, 0, 0, 14,
16, 0, 25, 29, 45, 43, 54, 10, 12, 17,
7, 23, 0, 0, 0
};
static const short yydefgoto[] = { 113,
11, 64, 99, 65, 66, 67, 68, 12, 29, 13,
36, 37, 15, 16, 17, 18, 19, 53, 82, 20,
21, 22, 23, 83, 24, 25, 26, 27, 55, 58,
59, 28, 43, 44
};
static const short yypact[] = { 46,
11, 177, 95, 3, 177,-32768,-32768,-32768,-32768,-32768,
-32768, 145,-32768,-32768, -4,-32768, 177,-32768,-32768, 4,
109, 15,-32768, 14, 78, 141, 7,-32768, 64,-32768,
129, 9, 194,-32768, 11, 29, 27,-32768,-32768,-32768,
-32768,-32768, 184,-32768,-32768,-32768, 161,-32768,-32768, 4,
141, 157, 32,-32768,-32768,-32768, 36, 177, 177,-32768,
-32768,-32768,-32768, 50, 52,-32768, 113, 36, 51,-32768,
11, 11,-32768, 145, 11,-32768,-32768,-32768,-32768, 177,
-32768,-32768, 36,-32768, 177, 157, 177,-32768, 14,-32768,
-32768,-32768, 56,-32768, 157, 145,-32768, 11, 157,-32768,
-32768, 71,-32768,-32768, 14,-32768, 56,-32768,-32768,-32768,
52,-32768, 82, 85,-32768
};
static const short yypgoto[] = {-32768,
-32768,-32768,-32768, -11, -5,-32768,-32768, 33,-32768,-32768,
69, 2,-32768, 1,-32768, 89, 91,-32768, 25, 101,
-50, -49,-32768, 87, -43, -48, -12, -1, -8, -3,
-6, 0,-32768, 77
};
#define YYLAST 211
static const short yytable[] = { 30,
41, 14, 32, 42, 51, 45, 47, 88, 88, 92,
93, 60, 4, 46, 89, 63, 52, 38, 39, 40,
7, 8, 9, 10, 70, 6, 72, 62, 54, 71,
-58, -58, 74, 73, 88, 76, 88, 92, 107, 41,
75, 105, 78, 84, 86, 90, 90, 81, 85, 1,
87, 2, 56, 3, 95, 4, 91, 91, 94, 5,
6, 98, 75, 7, 8, 9, 10, 61, 97, 100,
101, 39, 90, 103, 90, 102, 87, 84, 6, 112,
104, 114, 85, 91, 115, 91, 70, 111, 72, 108,
70, 71, 72, 39, 56, 71, 110, 109, 33, 96,
2, 69, 31, 34, 4, 48, 35, 49, 5, 6,
106, 57, 7, 8, 9, 10, 1, 50, 2, 79,
31, 0, 4, -56, -56, -56, 5, 6, 0, 0,
7, 8, 9, 10, 2, 0, 31, 34, 4, 0,
35, 0, 5, 6, 0, 0, 7, 8, 9, 10,
2, 0, 31, 0, 4, -55, -55, -55, 5, 6,
0, 0, 7, 8, 9, 10, 2, 0, 31, 0,
4, 54, 39, 56, 80, 6, 0, 0, 7, 8,
9, 10, 2, 0, 31, 0, 4, 0, 0, 0,
77, 6, 0, 4, 7, 8, 9, 10, 38, 39,
40, 7, 8, 9, 10, 35, 0, 0, 54, 39,
56
};
static const short yycheck[] = { 1,
4, 0, 2, 4, 17, 5, 11, 58, 59, 59,
59, 5, 10, 12, 58, 7, 13, 15, 16, 17,
18, 19, 20, 21, 33, 15, 33, 29, 15, 33,
16, 17, 4, 35, 85, 9, 87, 87, 87, 43,
12, 85, 43, 52, 13, 58, 59, 47, 52, 4,
57, 6, 17, 8, 3, 10, 58, 59, 9, 14,
15, 68, 12, 18, 19, 20, 21, 4, 67, 71,
72, 16, 85, 75, 87, 74, 83, 86, 15, 9,
80, 0, 86, 85, 0, 87, 95, 99, 95, 95,
99, 95, 99, 16, 17, 99, 98, 96, 4, 67,
6, 33, 8, 9, 10, 17, 12, 17, 14, 15,
86, 25, 18, 19, 20, 21, 4, 17, 6, 43,
8, -1, 10, 15, 16, 17, 14, 15, -1, -1,
18, 19, 20, 21, 6, -1, 8, 9, 10, -1,
12, -1, 14, 15, -1, -1, 18, 19, 20, 21,
6, -1, 8, -1, 10, 15, 16, 17, 14, 15,
-1, -1, 18, 19, 20, 21, 6, -1, 8, -1,
10, 15, 16, 17, 14, 15, -1, -1, 18, 19,
20, 21, 6, -1, 8, -1, 10, -1, -1, -1,
7, 15, -1, 10, 18, 19, 20, 21, 15, 16,
17, 18, 19, 20, 21, 12, -1, -1, 15, 16,
17
};
#define YYPURE 1
/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
#line 3 "/usr/local/share/bison.simple"
/* Skeleton output parser for bison,
Copyright (c) 2002 Free Software Foundation
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* As a special exception, when this file is copied by Bison into a
Bison output file, you may use that output file without restriction.
This special exception was added by the Free Software Foundation
in version 1.24 of Bison. */
#ifndef alloca
#ifdef __GNUC__
#define alloca __builtin_alloca
#else /* not GNU C. */
#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
#include <alloca.h>
#else /* not sparc */
#if defined (MSDOS) && !defined (__TURBOC__)
#include <malloc.h>
#else /* not MSDOS, or __TURBOC__ */
#if defined(_AIX)
#include <malloc.h>
#pragma alloca
#else /* not MSDOS, __TURBOC__, or _AIX */
#ifdef __hpux
#ifdef __cplusplus
extern "C" {
void *alloca (unsigned int);
};
#else /* not __cplusplus */
void *alloca ();
#endif /* not __cplusplus */
#endif /* __hpux */
#endif /* not _AIX */
#endif /* not MSDOS, or __TURBOC__ */
#endif /* not sparc. */
#endif /* not GNU C. */
#endif /* alloca not defined. */
/* This is the parser code that is written into each bison parser
when the %semantic_parser declaration is not specified in the grammar.
It was written by Richard Stallman by simplifying the hairy parser
used when %semantic_parser is specified. */
/* Note: there must be only one dollar sign in this file.
It is replaced by the list of actions, each action
as one case of the switch. */
#define yyerrok (yyerrstatus = 0)
#define yyclearin (yychar = YYEMPTY)
#define YYEMPTY -2
#define YYEOF 0
#define YYACCEPT return(0)
#define YYABORT return(1)
#define YYERROR goto yyerrlab1
/* Like YYERROR except do call yyerror.
This remains here temporarily to ease the
transition to the new meaning of YYERROR, for GCC.
Once GCC version 2 has supplanted version 1, this can go. */
#define YYFAIL goto yyerrlab
#define YYRECOVERING() (!!yyerrstatus)
#define YYBACKUP() \
do \
if (yychar == YYEMPTY && yylen == 1) \
{ yychar = (token), yylval = (value); \
yychar1 = YYTRANSLATE (yychar); \
YYPOPSTACK; \
goto yybackup; \
} \
else \
{ yyerror ("syntax error: cannot back up"); YYERROR; } \
while (0)
#define YYTERROR 1
#define YYERRCODE 256
#ifndef YYPURE
#define YYLEX yylex()
#endif
#ifdef YYPURE
#ifdef YYLSP_NEEDED
#ifdef YYLEX_PARAM
#define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM)
#else
#define YYLEX yylex(&yylval, &yylloc)
#endif
#else /* not YYLSP_NEEDED */
#ifdef YYLEX_PARAM
#define YYLEX yylex(&yylval, YYLEX_PARAM)
#else
#define YYLEX yylex(&yylval)
#endif
#endif /* not YYLSP_NEEDED */
#endif
/* If nonreentrant, generate the variables here */
#ifndef YYPURE
int yychar; /* the lookahead symbol */
YYSTYPE yylval; /* the semantic value of the */
/* lookahead symbol */
#ifdef YYLSP_NEEDED
YYLTYPE yylloc; /* location data for the lookahead */
/* symbol */
#endif
int yynerrs; /* number of parse errors so far */
#endif /* not YYPURE */
#if YYDEBUG != 0
int yydebug; /* nonzero means print parse trace */
/* Since this is uninitialized, it does not stop multiple parsers
from coexisting. */
#endif
/* YYINITDEPTH indicates the initial size of the parser's stacks */
#ifndef YYINITDEPTH
#define YYINITDEPTH 200
#endif
/* YYMAXDEPTH is the maximum size the stacks can grow to
(effective only if the built-in stack extension method is used). */
#if YYMAXDEPTH == 0
#undef YYMAXDEPTH
#endif
#ifndef YYMAXDEPTH
#define YYMAXDEPTH 10000
#endif
/* Prevent warning if -Wstrict-prototypes. */
#ifdef __GNUC__
/*int yyparse ();*/
#endif
#if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
#define __yy_memcpy(TO,FROM,COUNT) __builtin_memcpy(TO,FROM,COUNT)
#else /* not GNU C or C++ */
#ifndef __cplusplus
/* This is the most reliable way to avoid incompatibilities
in available built-in functions on various systems. */
static void
__yy_memcpy (to, from, count)
char *to;
char *from;
int count;
{
register char *f = from;
register char *t = to;
register int i = count;
while (i-- > 0)
*t++ = *f++;
}
#else /* __cplusplus */
/* This is the most reliable way to avoid incompatibilities
in available built-in functions on various systems. */
static void
__yy_memcpy (char *to, char *from, int count)
{
register char *f = from;
register char *t = to;
register int i = count;
while (i-- > 0)
*t++ = *f++;
}
#endif
#endif
#line 196 "/usr/local/share/bison.simple"
/* The user can define YYPARSE_PARAM as the name of an argument to be passed
into yyparse. The argument should have type void *.
It should actually point to an object.
Grammar actions can access the variable by casting it
to the proper pointer type. */
typedef void *VOIDP;
#ifdef YYPARSE_PARAM
#ifdef __cplusplus
#define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
#define YYPARSE_PARAM_DECL
#else /* not __cplusplus */
#define YYPARSE_PARAM_ARG YYPARSE_PARAM
#define YYPARSE_PARAM_DECL VOIDP YYPARSE_PARAM;
#endif /* not __cplusplus */
#else /* not YYPARSE_PARAM */
#define YYPARSE_PARAM_ARG
#define YYPARSE_PARAM_DECL
#endif /* not YYPARSE_PARAM */
int
yyparse(YYPARSE_PARAM_ARG)
YYPARSE_PARAM_DECL
{
register int yystate;
register int yyn;
register short *yyssp;
register YYSTYPE *yyvsp;
int yyerrstatus; /* number of tokens to shift before error messages enabled */
int yychar1 = 0; /* lookahead token as an internal (translated) token number */
short yyssa[YYINITDEPTH]; /* the state stack */
YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */
short *yyss = yyssa; /* refer to the stacks thru separate pointers */
YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */
#ifdef YYLSP_NEEDED
YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */
YYLTYPE *yyls = yylsa;
YYLTYPE *yylsp;
#define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
#else
#define YYPOPSTACK (yyvsp--, yyssp--)
#endif
int yystacksize = YYINITDEPTH;
#ifdef YYPURE
int yychar;
YYSTYPE yylval;
int yynerrs;
#ifdef YYLSP_NEEDED
YYLTYPE yylloc;
#endif
#endif
YYSTYPE yyval; /* the variable used to return */
/* semantic values from the action */
/* routines */
int yylen;
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Starting parse\n");
#endif
yystate = 0;
yyerrstatus = 0;
yynerrs = 0;
yychar = YYEMPTY; /* Cause a token to be read. */
/* Initialize stack pointers.
Waste one element of value and location stack
so that they stay on the same level as the state stack.
The wasted elements are never initialized. */
yyssp = yyss - 1;
yyvsp = yyvs;
#ifdef YYLSP_NEEDED
yylsp = yyls;
#endif
/* Push a new state, which is found in yystate . */
/* In all cases, when you get here, the value and location stacks
have just been pushed. so pushing a state here evens the stacks. */
yynewstate:
*++yyssp = yystate;
if (yyssp >= yyss + yystacksize - 1)
{
/* Give user a chance to reallocate the stack */
/* Use copies of these so that the &'s don't force the real ones into memory. */
YYSTYPE *yyvs1 = yyvs;
short *yyss1 = yyss;
#ifdef YYLSP_NEEDED
YYLTYPE *yyls1 = yyls;
#endif
/* Get the current used size of the three stacks, in elements. */
int size = yyssp - yyss + 1;
#ifdef yyoverflow
/* Each stack pointer address is followed by the size of
the data in use in that stack, in bytes. */
#ifdef YYLSP_NEEDED
/* This used to be a conditional around just the two extra args,
but that might be undefined if yyoverflow is a macro. */
yyoverflow("parser stack overflow",
&yyss1, size * sizeof (*yyssp),
&yyvs1, size * sizeof (*yyvsp),
&yyls1, size * sizeof (*yylsp),
&yystacksize);
#else
yyoverflow("parser stack overflow",
&yyss1, size * sizeof (*yyssp),
&yyvs1, size * sizeof (*yyvsp),
&yystacksize);
#endif
yyss = yyss1; yyvs = yyvs1;
#ifdef YYLSP_NEEDED
yyls = yyls1;
#endif
#else /* no yyoverflow */
/* Extend the stack our own way. */
if (yystacksize >= YYMAXDEPTH)
{
yyerror("parser stack overflow");
return 2;
}
yystacksize *= 2;
if (yystacksize > YYMAXDEPTH)
yystacksize = YYMAXDEPTH;
yyss = (short *) alloca (yystacksize * sizeof (*yyssp));
__yy_memcpy ((char *)yyss, (char *)yyss1, size * sizeof (*yyssp));
yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
__yy_memcpy ((char *)yyvs, (char *)yyvs1, size * sizeof (*yyvsp));
#ifdef YYLSP_NEEDED
yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
__yy_memcpy ((char *)yyls, (char *)yyls1, size * sizeof (*yylsp));
#endif
#endif /* no yyoverflow */
yyssp = yyss + size - 1;
yyvsp = yyvs + size - 1;
#ifdef YYLSP_NEEDED
yylsp = yyls + size - 1;
#endif
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Stack size increased to %d\n", yystacksize);
#endif
if (yyssp >= yyss + yystacksize - 1)
YYABORT;
}
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Entering state %d\n", yystate);
#endif
goto yybackup;
yybackup:
/* Do appropriate processing given the current state. */
/* Read a lookahead token if we need one and don't already have one. */
/* yyresume: */
/* First try to decide what to do without reference to lookahead token. */
yyn = yypact[yystate];
if (yyn == YYFLAG)
goto yydefault;
/* Not known => get a lookahead token if don't already have one. */
/* yychar is either YYEMPTY or YYEOF
or a valid token in external form. */
if (yychar == YYEMPTY)
{
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Reading a token: ");
#endif
yychar = YYLEX;
}
/* Convert token to internal form (in yychar1) for indexing tables with */
if (yychar <= 0) /* This means end of input. */
{
yychar1 = 0;
yychar = YYEOF; /* Don't call YYLEX any more */
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Now at end of input.\n");
#endif
}
else
{
yychar1 = YYTRANSLATE(yychar);
#if YYDEBUG != 0
if (yydebug)
{
fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
/* Give the individual parser a way to print the precise meaning
of a token, for further debugging info. */
#ifdef YYPRINT
YYPRINT (stderr, yychar, yylval);
#endif
fprintf (stderr, ")\n");
}
#endif
}
yyn += yychar1;
if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
goto yydefault;
yyn = yytable[yyn];
/* yyn is what to do for this token type in this state.
Negative => reduce, -yyn is rule number.
Positive => shift, yyn is new state.
New state is final state => don't bother to shift,
just return success.
0, or most negative number => error. */
if (yyn < 0)
{
if (yyn == YYFLAG)
goto yyerrlab;
yyn = -yyn;
goto yyreduce;
}
else if (yyn == 0)
goto yyerrlab;
if (yyn == YYFINAL)
YYACCEPT;
/* Shift the lookahead token. */
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
#endif
/* Discard the token being shifted unless it is eof. */
if (yychar != YYEOF)
yychar = YYEMPTY;
*++yyvsp = yylval;
#ifdef YYLSP_NEEDED
*++yylsp = yylloc;
#endif
/* count tokens shifted since error; after three, turn off error status. */
if (yyerrstatus) yyerrstatus--;
yystate = yyn;
goto yynewstate;
/* Do the default action for the current state. */
yydefault:
yyn = yydefact[yystate];
if (yyn == 0)
goto yyerrlab;
/* Do a reduction. yyn is the number of a rule to reduce with. */
yyreduce:
yylen = yyr2[yyn];
if (yylen > 0)
yyval = yyvsp[1-yylen]; /* implement default value of the action */
#if YYDEBUG != 0
if (yydebug)
{
int i;
fprintf (stderr, "Reducing via rule %d (line %d), ",
yyn, yyrline[yyn]);
/* Print the symbols being reduced, and their result. */
for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
fprintf (stderr, "%s ", yytname[yyrhs[i]]);
fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
}
#endif
switch (yyn) {
case 1:
#line 66 "STGrammar.y"
{
[COMPILER compileMethod:nil];
;
break;}
case 2:
#line 71 "STGrammar.y"
{
[COMPILER compileMethod:yyvsp[0]];
;
break;}
case 4:
#line 82 "STGrammar.y"
{
yyval = [STCMethod methodWithPattern:nil
/**/ statements:yyvsp[0]];
;
break;}
case 5:
#line 87 "STGrammar.y"
{
[yyvsp[0] setTemporaries:yyvsp[-1]];
yyval = [STCMethod methodWithPattern:nil
/**/ statements:yyvsp[0]];
;
break;}
case 6:
#line 96 "STGrammar.y"
{
[COMPILER setReceiverVariables:yyvsp[0]];
;
break;}
case 9:
#line 105 "STGrammar.y"
{
[COMPILER compileMethod:yyvsp[0]];
;
break;}
case 10:
#line 109 "STGrammar.y"
{
[COMPILER compileMethod:yyvsp[0]];
;
break;}
case 11:
#line 115 "STGrammar.y"
{
yyval = [STCMethod methodWithPattern:yyvsp[-1]
/**/ statements:yyvsp[0]];
;
break;}
case 12:
#line 120 "STGrammar.y"
{
[yyvsp[0] setTemporaries:yyvsp[-1]];
yyval = [STCMethod methodWithPattern:yyvsp[-2]
/**/ statements:yyvsp[0]];
;
break;}
case 13:
#line 129 "STGrammar.y"
{
yyval = [STCMessage message];
[yyval addKeyword:yyvsp[0] object:nil];
;
break;}
case 14:
#line 134 "STGrammar.y"
{
yyval = [STCMessage message];
[yyval addKeyword:yyvsp[-1] object:yyvsp[0]];
;
break;}
case 16:
#line 142 "STGrammar.y"
{
yyval = [STCMessage message];
[yyval addKeyword:yyvsp[-1] object:yyvsp[0]];
;
break;}
case 17:
#line 147 "STGrammar.y"
{
[yyvsp[-2] addKeyword:yyvsp[-1] object:yyvsp[0]];
yyval = yyvsp[-2];
;
break;}
case 18:
#line 154 "STGrammar.y"
{ yyval = yyvsp[-1]; ;
break;}
case 19:
#line 158 "STGrammar.y"
{
yyval = [NSMutableArray array];
[yyval addObject:yyvsp[0]];
;
break;}
case 20:
#line 163 "STGrammar.y"
{
yyval = yyvsp[-1];
[yyval addObject:yyvsp[0]];
;
break;}
case 21:
#line 170 "STGrammar.y"
{
yyval = [STCStatements statements];
;
break;}
case 22:
#line 174 "STGrammar.y"
{
yyval = yyvsp[-1];
;
break;}
case 23:
#line 178 "STGrammar.y"
{
yyval = yyvsp[-1];
[yyval setTemporaries:yyvsp[-3]];
;
break;}
case 24:
#line 184 "STGrammar.y"
{
yyval = [NSMutableArray array];
[yyval addObject:yyvsp[0]];
;
break;}
case 25:
#line 189 "STGrammar.y"
{
yyval = yyvsp[-2];
[yyval addObject:yyvsp[0]];
;
break;}
case 26:
#line 196 "STGrammar.y"
{
yyval = [STCStatements statements];
[yyval setReturnExpression:yyvsp[0]];
;
break;}
case 27:
#line 201 "STGrammar.y"
{
yyval = [STCStatements statements];
[yyval setExpressions:yyvsp[0]];
;
break;}
case 28:
#line 207 "STGrammar.y"
{
yyval = [STCStatements statements];
[yyval setExpressions:yyvsp[-1]];
;
break;}
case 29:
#line 212 "STGrammar.y"
{
yyval = [STCStatements statements];
[yyval setReturnExpression:yyvsp[0]];
[yyval setExpressions:yyvsp[-3]];
;
break;}
case 30:
#line 220 "STGrammar.y"
{
yyval = [NSMutableArray array];
[yyval addObject:yyvsp[0]];
;
break;}
case 31:
#line 226 "STGrammar.y"
{
yyval = yyvsp[-2];
[yyval addObject:yyvsp[0]];
;
break;}
case 32:
#line 232 "STGrammar.y"
{
yyval = [STCExpression
/**/ primaryExpressionWithObject:yyvsp[0]];
;
break;}
case 33:
#line 237 "STGrammar.y"
{
yyval = [STCExpression
/**/ primaryExpressionWithObject:yyvsp[0]];
[yyval setAssignments:yyvsp[-1]];
;
break;}
case 35:
#line 244 "STGrammar.y"
{
yyval = yyvsp[0];
[yyval setAssignments:yyvsp[-1]];
;
break;}
case 37:
#line 250 "STGrammar.y"
{
yyval = yyvsp[0];
[yyval setAssignments:yyvsp[-1]];
;
break;}
case 38:
#line 256 "STGrammar.y"
{
yyval = [NSMutableArray array];
[yyval addObject:yyvsp[0]];
;
break;}
case 39:
#line 261 "STGrammar.y"
{
yyval = yyvsp[-1];
[yyval addObject:yyvsp[0]];
;
break;}
case 40:
#line 268 "STGrammar.y"
{ yyval = yyvsp[-1];;
break;}
case 41:
#line 271 "STGrammar.y"
{
/* FIXME: check if this is this OK */
[yyval setCascade:yyvsp[0]];
;
break;}
case 42:
#line 277 "STGrammar.y"
{
yyval = [NSMutableArray array];
[yyval addObject:yyvsp[0]];
;
break;}
case 43:
#line 282 "STGrammar.y"
{
yyval = yyvsp[-2];
[yyval addObject:yyvsp[0]];
;
break;}
case 44:
#line 288 "STGrammar.y"
{
yyval = [STCMessage message];
[yyval addKeyword:yyvsp[0] object:nil];
;
break;}
case 45:
#line 293 "STGrammar.y"
{
yyval = [STCMessage message];
[yyval addKeyword:yyvsp[-1] object:yyvsp[0]];
;
break;}
case 50:
#line 305 "STGrammar.y"
{
STCMessage *message = [STCMessage message];
[message addKeyword:yyvsp[0] object:nil];
yyval = [STCExpression
/**/ messageExpressionWithTarget:yyvsp[-1]
/**/ message:message];
;
break;}
case 51:
#line 314 "STGrammar.y"
{
STCMessage *message = [STCMessage message];
[message addKeyword:yyvsp[-1] object:yyvsp[0]];
yyval = [STCExpression
/**/ messageExpressionWithTarget:yyvsp[-2]
/**/ message:message];
;
break;}
case 52:
#line 323 "STGrammar.y"
{
yyval = [STCExpression
/**/ messageExpressionWithTarget:yyvsp[-1]
/**/ message:yyvsp[0]];
;
break;}
case 53:
#line 329 "STGrammar.y"
{
yyval = [STCMessage message];
[yyval addKeyword:yyvsp[-1] object:yyvsp[0]];
;
break;}
case 54:
#line 334 "STGrammar.y"
{
yyval = yyvsp[-2];
[yyval addKeyword:yyvsp[-1] object:yyvsp[0]];
;
break;}
case 59:
#line 346 "STGrammar.y"
{
yyval = [STCPrimary primaryWithVariable:yyvsp[0]];
;
break;}
case 60:
#line 350 "STGrammar.y"
{
yyval = [STCPrimary primaryWithLiteral:yyvsp[0]];
;
break;}
case 61:
#line 354 "STGrammar.y"
{
yyval = [STCPrimary primaryWithBlock:yyvsp[0]];
;
break;}
case 62:
#line 358 "STGrammar.y"
{
yyval = [STCPrimary primaryWithExpression:yyvsp[-1]];
;
break;}
case 67:
#line 371 "STGrammar.y"
{ yyval = [COMPILER createNumberLiteralFrom:yyvsp[0]]; ;
break;}
case 68:
#line 373 "STGrammar.y"
{ yyval = [COMPILER createSymbolLiteralFrom:yyvsp[0]]; ;
break;}
case 69:
#line 375 "STGrammar.y"
{ yyval = [COMPILER createStringLiteralFrom:yyvsp[0]]; ;
break;}
case 70:
#line 377 "STGrammar.y"
{ yyval = [COMPILER createCharacterLiteralFrom:yyvsp[0]]; ;
break;}
case 71:
#line 379 "STGrammar.y"
{ yyval = [COMPILER createArrayLiteralFrom:yyvsp[-1]]; ;
break;}
case 72:
#line 381 "STGrammar.y"
{ yyval = [NSMutableArray array];
[yyval addObject:yyvsp[0]]; ;
break;}
case 73:
#line 383 "STGrammar.y"
{ yyval = [NSMutableArray array];
[yyval addObject:yyvsp[0]]; ;
break;}
case 74:
#line 385 "STGrammar.y"
{ yyval = yyvsp[-1]; [yyval addObject:yyvsp[0]]; ;
break;}
case 75:
#line 386 "STGrammar.y"
{ yyval = yyvsp[-1]; [yyval addObject:yyvsp[0]]; ;
break;}
case 76:
#line 389 "STGrammar.y"
{ yyval = [COMPILER createSymbolLiteralFrom:yyvsp[0]]; ;
break;}
case 77:
#line 391 "STGrammar.y"
{ yyval = [COMPILER createSymbolLiteralFrom:yyvsp[0]]; ;
break;}
case 78:
#line 393 "STGrammar.y"
{ yyval = [COMPILER createSymbolLiteralFrom:yyvsp[0]]; ;
break;}
}
/* the action file gets copied in in place of this dollarsign */
#line 498 "/usr/local/share/bison.simple"
yyvsp -= yylen;
yyssp -= yylen;
#ifdef YYLSP_NEEDED
yylsp -= yylen;
#endif
#if YYDEBUG != 0
if (yydebug)
{
short *ssp1 = yyss - 1;
fprintf (stderr, "state stack now");
while (ssp1 != yyssp)
fprintf (stderr, " %d", *++ssp1);
fprintf (stderr, "\n");
}
#endif
*++yyvsp = yyval;
#ifdef YYLSP_NEEDED
yylsp++;
if (yylen == 0)
{
yylsp->first_line = yylloc.first_line;
yylsp->first_column = yylloc.first_column;
yylsp->last_line = (yylsp-1)->last_line;
yylsp->last_column = (yylsp-1)->last_column;
yylsp->text = 0;
}
else
{
yylsp->last_line = (yylsp+yylen-1)->last_line;
yylsp->last_column = (yylsp+yylen-1)->last_column;
}
#endif
/* Now "shift" the result of the reduction.
Determine what state that goes to,
based on the state we popped back to
and the rule number reduced by. */
yyn = yyr1[yyn];
yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
yystate = yytable[yystate];
else
yystate = yydefgoto[yyn - YYNTBASE];
goto yynewstate;
yyerrlab: /* here on detecting error */
if (! yyerrstatus)
/* If not already recovering from an error, report this error. */
{
++yynerrs;
#ifdef YYERROR_VERBOSE
yyn = yypact[yystate];
if (yyn > YYFLAG && yyn < YYLAST)
{
int size = 0;
char *msg;
int x, count;
count = 0;
/* Start X at -yyn if nec to avoid negative indexes in yycheck. */
for (x = (yyn < 0 ? -yyn : 0);
x < (sizeof(yytname) / sizeof(char *)); x++)
if (yycheck[x + yyn] == x)
size += strlen(yytname[x]) + 15, count++;
msg = (char *) malloc(size + 15);
if (msg != 0)
{
strcpy(msg, "parse error");
if (count < 5)
{
count = 0;
for (x = (yyn < 0 ? -yyn : 0);
x < (sizeof(yytname) / sizeof(char *)); x++)
if (yycheck[x + yyn] == x)
{
strcat(msg, count == 0 ? ", expecting `" : " or `");
strcat(msg, yytname[x]);
strcat(msg, "'");
count++;
}
}
yyerror(msg);
free(msg);
}
else
yyerror ("parse error; also virtual memory exceeded");
}
else
#endif /* YYERROR_VERBOSE */
yyerror("parse error");
}
goto yyerrlab1;
yyerrlab1: /* here on error raised explicitly by an action */
if (yyerrstatus == 3)
{
/* if just tried and failed to reuse lookahead token after an error, discard it. */
/* return failure if at end of input */
if (yychar == YYEOF)
YYABORT;
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
#endif
yychar = YYEMPTY;
}
/* Else will try to reuse lookahead token
after shifting the error token. */
yyerrstatus = 3; /* Each real token shifted decrements this */
goto yyerrhandle;
yyerrdefault: /* current state does not do anything special for the error token. */
#if 0
/* This is wrong; only states that explicitly want error tokens
should shift them. */
yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/
if (yyn) goto yydefault;
#endif
yyerrpop: /* pop the current state because it cannot handle the error token */
if (yyssp == yyss) YYABORT;
yyvsp--;
yystate = *--yyssp;
#ifdef YYLSP_NEEDED
yylsp--;
#endif
#if YYDEBUG != 0
if (yydebug)
{
short *ssp1 = yyss - 1;
fprintf (stderr, "Error: state stack now");
while (ssp1 != yyssp)
fprintf (stderr, " %d", *++ssp1);
fprintf (stderr, "\n");
}
#endif
yyerrhandle:
yyn = yypact[yystate];
if (yyn == YYFLAG)
goto yyerrdefault;
yyn += YYTERROR;
if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
goto yyerrdefault;
yyn = yytable[yyn];
if (yyn < 0)
{
if (yyn == YYFLAG)
goto yyerrpop;
yyn = -yyn;
goto yyreduce;
}
else if (yyn == 0)
goto yyerrpop;
if (yyn == YYFINAL)
YYACCEPT;
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Shifting error token, ");
#endif
*++yyvsp = yylval;
#ifdef YYLSP_NEEDED
*++yylsp = yylloc;
#endif
yystate = yyn;
goto yynewstate;
}
#line 395 "STGrammar.y"
int STCerror(const char *str)
{
[NSException raise:STCompilerSyntaxException
format:@"Unknown parse error (%s)", str];
return 0;
}
/*
* Lexer
* --------------------------------------------------------------------------
*/
int STClex (YYSTYPE *lvalp, void *context)
{
STTokenType tokenType = [READER nextToken];
if(tokenType == STEndTokenType)
{
return 0;
}
*lvalp = [READER tokenString];
switch(tokenType)
{
case STBarTokenType: return TK_BAR;
case STReturnTokenType: return TK_RETURN;
case STColonTokenType: return TK_COLON;
case STSemicolonTokenType: return TK_SEMICOLON;
case STDotTokenType: return TK_DOT;
case STLParenTokenType: return TK_LPAREN;
case STRParenTokenType: return TK_RPAREN;
case STBlockOpenTokenType: return TK_BLOCK_OPEN;
case STBlockCloseTokenType: return TK_BLOCK_CLOSE;
case STArrayOpenTokenType: return TK_ARRAY_OPEN;
case STAssignTokenType: return TK_ASSIGNMENT;
case STIdentifierTokenType: return TK_IDENTIFIER;
case STKeywordTokenType: return TK_KEYWORD;
case STBinarySelectorTokenType: return TK_BINARY_SELECTOR;
case STSymbolTokenType: return TK_SYMBOL;
case STStringTokenType: return TK_STRING;
case STCharacterTokenType: return TK_CHARACTER;
case STNumberTokenType: return TK_NUMBER;
case STSeparatorTokenType: return TK_SEPARATOR;
case STEndTokenType: return 0;
case STSharpTokenType:
case STInvalidTokenType:
case STErrorTokenType:
return 1;
}
return 1;
}
Reference in a new issue Copy permalink