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libs-steptalk/Languages/Smalltalk/STGrammar.m
Stefan Urbanek dbf32c0fc3 Added parser for real numbers 
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/steptalk/trunk@15315 72102866-910b-0410-8b05-ffd578937521
2002-12-21 22:13:15 +00:00

1720 lines
52 KiB
Objective-C
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/* A Bison parser, made from STGrammar.y
by GNU bison 1.35. */
#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 257
# define TK_BAR 258
# define TK_ASSIGNMENT 259
# define TK_LPAREN 260
# define TK_RPAREN 261
# define TK_BLOCK_OPEN 262
# define TK_BLOCK_CLOSE 263
# define TK_ARRAY_OPEN 264
# define TK_DOT 265
# define TK_COLON 266
# define TK_SEMICOLON 267
# define TK_RETURN 268
# define TK_IDENTIFIER 269
# define TK_BINARY_SELECTOR 270
# define TK_KEYWORD 271
# define TK_INTNUMBER 272
# define TK_REALNUMBER 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 "Externs.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
# define YYSTYPE_IS_TRIVIAL 1
#endif
#ifndef YYDEBUG
# define YYDEBUG 0
#endif
#define YYFINAL 116
#define YYFLAG -32768
#define YYNTBASE 23
/* YYTRANSLATE(YYLEX) -- Bison token number corresponding to YYLEX. */
#define YYTRANSLATE(x) ((unsigned)(x) <= 276 ? yytranslate[x] : 58)
/* YYTRANSLATE[YYLEX] -- Bison token number corresponding to YYLEX. */
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, 3, 4, 5,
6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22
};
#if YYDEBUG
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, 194, 198, 199, 201, 203, 206, 209, 211,
213
};
static const short yyrhs[] =
{
-1, 24, 0, 8, 4, 25, 9, 0, 35, 0,
31, 35, 0, 0, 34, 26, 27, 0, 27, 0,
28, 0, 27, 3, 28, 0, 29, 35, 0, 29,
31, 35, 0, 52, 0, 53, 51, 0, 30, 0,
54, 51, 0, 30, 54, 51, 0, 4, 32, 4,
0, 51, 0, 32, 51, 0, 8, 9, 0, 8,
35, 9, 0, 8, 34, 4, 35, 9, 0, 12,
51, 0, 34, 12, 51, 0, 14, 37, 0, 36,
0, 36, 11, 0, 36, 11, 14, 37, 0, 37,
0, 36, 11, 37, 0, 50, 0, 38, 50, 0,
43, 0, 38, 43, 0, 40, 0, 38, 40, 0,
39, 0, 38, 39, 0, 51, 5, 0, 43, 41,
0, 13, 42, 0, 41, 13, 42, 0, 52, 0,
53, 48, 0, 47, 0, 44, 0, 45, 0, 46,
0, 48, 52, 0, 49, 53, 48, 0, 49, 47,
0, 54, 49, 0, 47, 54, 49, 0, 50, 0,
44, 0, 48, 0, 45, 0, 51, 0, 55, 0,
33, 0, 6, 37, 7, 0, 15, 0, 15, 0,
16, 0, 17, 0, 18, 0, 19, 0, 20, 0,
21, 0, 22, 0, 10, 56, 7, 0, 0, 55,
0, 57, 0, 56, 55, 0, 56, 57, 0, 15,
0, 53, 0, 17, 0
};
#endif
#if YYDEBUG
/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
static const short yyrline[] =
{
0, 66, 71, 75, 81, 86, 94, 94, 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, 329, 334, 340, 341, 343, 344, 346,
350, 354, 358, 363, 365, 367, 369, 371, 374, 376,
378, 380, 382, 385, 386, 388, 390, 391, 393, 395,
397
};
#endif
#if (YYDEBUG) || defined YYERROR_VERBOSE
/* YYTNAME[TOKEN_NUM] -- String name of the token TOKEN_NUM. */
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_INTNUMBER",
"TK_REALNUMBER", "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", 0
};
#endif
/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
static const short yyr1[] =
{
0, 23, 23, 23, 24, 24, 26, 25, 25, 27,
27, 28, 28, 29, 29, 29, 30, 30, 31, 32,
32, 33, 33, 33, 34, 34, 35, 35, 35, 35,
36, 36, 37, 37, 37, 37, 37, 37, 38, 38,
39, 40, 41, 41, 42, 42, 42, 43, 43, 43,
44, 45, 46, 47, 47, 48, 48, 49, 49, 50,
50, 50, 50, 51, 52, 53, 54, 55, 55, 55,
55, 55, 55, 56, 56, 56, 56, 56, 57, 57,
57
};
/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
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, 1, 3, 0, 1, 1, 2, 2, 1, 1,
1
};
/* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE
doesn't specify something else to do. Zero means the default is an
error. */
static const short yydefact[] =
{
1, 0, 0, 0, 73, 0, 63, 67, 68, 69,
70, 71, 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, 78,
65, 80, 79, 74, 0, 75, 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, 72, 76,
77, 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[] =
{
114, 12, 65, 100, 66, 67, 68, 69, 13, 30,
14, 37, 38, 16, 17, 18, 19, 20, 54, 83,
21, 22, 23, 24, 84, 25, 26, 27, 28, 56,
59, 60, 29, 44, 45
};
static const short yypact[] =
{
116, -4, 203, 97, 3, 203,-32768,-32768,-32768,-32768,
-32768,-32768,-32768, 169,-32768,-32768, 6,-32768, 203,-32768,
-32768, 13, 38, 26,-32768, 15, 29, 51, 9,-32768,
12,-32768, 152, 41, 48,-32768, -4, 28, 47,-32768,
-32768,-32768,-32768,-32768, 219,-32768,-32768,-32768, 186,-32768,
-32768, 13, 51, 112, 44,-32768,-32768,-32768, 52, 203,
203,-32768,-32768,-32768,-32768, 65, 58,-32768, 135, 52,
64,-32768, -4, -4,-32768, 169, -4,-32768,-32768,-32768,
-32768, 203,-32768,-32768, 52,-32768, 203, 112, 203,-32768,
15,-32768,-32768,-32768, 63,-32768, 112, 169,-32768, -4,
112,-32768,-32768, 74,-32768,-32768, 15,-32768, 63,-32768,
-32768,-32768, 58,-32768, 86, 89,-32768
};
static const short yypgoto[] =
{
-32768,-32768,-32768,-32768, -9, 14,-32768,-32768, 24,-32768,
-32768, 61, 2,-32768, 1,-32768, 78, 84,-32768, 21,
95, -52, -55,-32768, 88, -47, -51, -8, -1, -6,
-3, 4, 0,-32768, 77
};
#define YYLAST 241
static const short yytable[] =
{
31, 42, 15, 33, 43, 93, 46, 89, 89, 94,
52, 6, 90, 4, 61, 47, 62, 48, 39, 40,
41, 7, 8, 9, 10, 11, 53, 6, 71, 63,
55, 72, 75, 93, 89, 74, 89, 108, 73, 106,
76, 42, -58, -58, 79, 40, 57, 85, 64, 82,
86, 91, 91, -56, -56, -56, 77, 87, 92, 92,
36, 96, 88, 55, 40, 57, -55, -55, -55, 57,
98, 101, 102, 99, 95, 104, 76, 103, 91, 40,
91, 85, 105, 113, 86, 92, 115, 92, 88, 116,
71, 112, 97, 72, 71, 70, 49, 72, 111, 110,
73, 34, 50, 2, 73, 32, 35, 4, 107, 36,
109, 5, 6, 51, 58, 7, 8, 9, 10, 11,
1, 80, 2, 0, 3, 0, 4, 55, 40, 57,
5, 6, 0, 0, 7, 8, 9, 10, 11, 1,
0, 2, 0, 32, 0, 4, 0, 0, 0, 5,
6, 0, 0, 7, 8, 9, 10, 11, 2, 0,
32, 35, 4, 0, 36, 0, 5, 6, 0, 0,
7, 8, 9, 10, 11, 2, 0, 32, 0, 4,
0, 0, 0, 5, 6, 0, 0, 7, 8, 9,
10, 11, 2, 0, 32, 0, 4, 0, 0, 0,
81, 6, 0, 0, 7, 8, 9, 10, 11, 2,
0, 32, 0, 4, 0, 0, 0, 0, 6, 0,
0, 7, 8, 9, 10, 11, 78, 0, 0, 4,
0, 0, 0, 0, 39, 40, 41, 7, 8, 9,
10, 11
};
static const short yycheck[] =
{
1, 4, 0, 2, 4, 60, 5, 59, 60, 60,
18, 15, 59, 10, 5, 13, 4, 11, 15, 16,
17, 18, 19, 20, 21, 22, 13, 15, 34, 30,
15, 34, 4, 88, 86, 36, 88, 88, 34, 86,
12, 44, 16, 17, 44, 16, 17, 53, 7, 48,
53, 59, 60, 15, 16, 17, 9, 13, 59, 60,
12, 3, 58, 15, 16, 17, 15, 16, 17, 17,
68, 72, 73, 69, 9, 76, 12, 75, 86, 16,
88, 87, 81, 9, 87, 86, 0, 88, 84, 0,
96, 100, 68, 96, 100, 34, 18, 100, 99, 97,
96, 4, 18, 6, 100, 8, 9, 10, 87, 12,
96, 14, 15, 18, 26, 18, 19, 20, 21, 22,
4, 44, 6, -1, 8, -1, 10, 15, 16, 17,
14, 15, -1, -1, 18, 19, 20, 21, 22, 4,
-1, 6, -1, 8, -1, 10, -1, -1, -1, 14,
15, -1, -1, 18, 19, 20, 21, 22, 6, -1,
8, 9, 10, -1, 12, -1, 14, 15, -1, -1,
18, 19, 20, 21, 22, 6, -1, 8, -1, 10,
-1, -1, -1, 14, 15, -1, -1, 18, 19, 20,
21, 22, 6, -1, 8, -1, 10, -1, -1, -1,
14, 15, -1, -1, 18, 19, 20, 21, 22, 6,
-1, 8, -1, 10, -1, -1, -1, -1, 15, -1,
-1, 18, 19, 20, 21, 22, 7, -1, -1, 10,
-1, -1, -1, -1, 15, 16, 17, 18, 19, 20,
21, 22
};
#define YYPURE 1
/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
#line 3 "/usr/share/bison/bison.simple"
/* Skeleton output parser for bison,
Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software
Foundation, Inc.
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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, 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. */
/* 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. */
/* All symbols defined below should begin with yy or YY, to avoid
infringing on user name space. This should be done even for local
variables, as they might otherwise be expanded by user macros.
There are some unavoidable exceptions within include files to
define necessary library symbols; they are noted "INFRINGES ON
USER NAME SPACE" below. */
#if ! defined (yyoverflow) || defined (YYERROR_VERBOSE)
/* The parser invokes alloca or malloc; define the necessary symbols. */
# if YYSTACK_USE_ALLOCA
# define YYSTACK_ALLOC alloca
# else
# ifndef YYSTACK_USE_ALLOCA
# if defined (alloca) || defined (_ALLOCA_H)
# define YYSTACK_ALLOC alloca
# else
# ifdef __GNUC__
# define YYSTACK_ALLOC __builtin_alloca
# endif
# endif
# endif
# endif
# ifdef YYSTACK_ALLOC
/* Pacify GCC's `empty if-body' warning. */
# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
# else
# if defined (__STDC__) || defined (__cplusplus)
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
# define YYSIZE_T size_t
# endif
# define YYSTACK_ALLOC malloc
# define YYSTACK_FREE free
# endif
#endif /* ! defined (yyoverflow) || defined (YYERROR_VERBOSE) */
#if (! defined (yyoverflow) \
&& (! defined (__cplusplus) \
|| (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
/* A type that is properly aligned for any stack member. */
union yyalloc
{
short yyss;
YYSTYPE yyvs;
# if YYLSP_NEEDED
YYLTYPE yyls;
# endif
};
/* The size of the maximum gap between one aligned stack and the next. */
# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1)
/* The size of an array large to enough to hold all stacks, each with
N elements. */
# if YYLSP_NEEDED
# define YYSTACK_BYTES(N) \
((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
+ 2 * YYSTACK_GAP_MAX)
# else
# define YYSTACK_BYTES(N) \
((N) * (sizeof (short) + sizeof (YYSTYPE)) \
+ YYSTACK_GAP_MAX)
# endif
/* Copy COUNT objects from FROM to TO. The source and destination do
not overlap. */
# ifndef YYCOPY
# if 1 < __GNUC__
# define YYCOPY(To, From, Count) \
__builtin_memcpy (To, From, (Count) * sizeof (*(From)))
# else
# define YYCOPY(To, From, Count) \
do \
{ \
register YYSIZE_T yyi; \
for (yyi = 0; yyi < (Count); yyi++) \
(To)[yyi] = (From)[yyi]; \
} \
while (0)
# endif
# endif
/* Relocate STACK from its old location to the new one. The
local variables YYSIZE and YYSTACKSIZE give the old and new number of
elements in the stack, and YYPTR gives the new location of the
stack. Advance YYPTR to a properly aligned location for the next
stack. */
# define YYSTACK_RELOCATE(Stack) \
do \
{ \
YYSIZE_T yynewbytes; \
YYCOPY (&yyptr->Stack, Stack, yysize); \
Stack = &yyptr->Stack; \
yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAX; \
yyptr += yynewbytes / sizeof (*yyptr); \
} \
while (0)
#endif
#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
# define YYSIZE_T __SIZE_TYPE__
#endif
#if ! defined (YYSIZE_T) && defined (size_t)
# define YYSIZE_T size_t
#endif
#if ! defined (YYSIZE_T)
# if defined (__STDC__) || defined (__cplusplus)
# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
# define YYSIZE_T size_t
# endif
#endif
#if ! defined (YYSIZE_T)
# define YYSIZE_T unsigned int
#endif
#define yyerrok (yyerrstatus = 0)
#define yyclearin (yychar = YYEMPTY)
#define YYEMPTY -2
#define YYEOF 0
#define YYACCEPT goto yyacceptlab
#define YYABORT goto yyabortlab
#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(Token, Value) \
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
/* YYLLOC_DEFAULT -- Compute the default location (before the actions
are run).
When YYLLOC_DEFAULT is run, CURRENT is set the location of the
first token. By default, to implement support for ranges, extend
its range to the last symbol. */
#ifndef YYLLOC_DEFAULT
# define YYLLOC_DEFAULT(Current, Rhs, N) \
Current.last_line = Rhs[N].last_line; \
Current.last_column = Rhs[N].last_column;
#endif
/* YYLEX -- calling `yylex' with the right arguments. */
#if YYPURE
# if YYLSP_NEEDED
# ifdef YYLEX_PARAM
# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
# else
# define YYLEX yylex (&yylval, &yylloc)
# endif
# else /* !YYLSP_NEEDED */
# ifdef YYLEX_PARAM
# define YYLEX yylex (&yylval, YYLEX_PARAM)
# else
# define YYLEX yylex (&yylval)
# endif
# endif /* !YYLSP_NEEDED */
#else /* !YYPURE */
# define YYLEX yylex ()
#endif /* !YYPURE */
/* Enable debugging if requested. */
#if YYDEBUG
# ifndef YYFPRINTF
# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
# define YYFPRINTF fprintf
# endif
# define YYDPRINTF(Args) \
do { \
if (yydebug) \
YYFPRINTF Args; \
} while (0)
/* Nonzero means print parse trace. It is left uninitialized so that
multiple parsers can coexist. */
int yydebug;
#else /* !YYDEBUG */
# define YYDPRINTF(Args)
#endif /* !YYDEBUG */
/* YYINITDEPTH -- initial size of the parser's stacks. */
#ifndef YYINITDEPTH
# define YYINITDEPTH 200
#endif
/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
if the built-in stack extension method is used).
Do not make this value too large; the results are undefined if
SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
evaluated with infinite-precision integer arithmetic. */
#if YYMAXDEPTH == 0
# undef YYMAXDEPTH
#endif
#ifndef YYMAXDEPTH
# define YYMAXDEPTH 10000
#endif
#ifdef YYERROR_VERBOSE
# ifndef yystrlen
# if defined (__GLIBC__) && defined (_STRING_H)
# define yystrlen strlen
# else
/* Return the length of YYSTR. */
static YYSIZE_T
# if defined (__STDC__) || defined (__cplusplus)
yystrlen (const char *yystr)
# else
yystrlen (yystr)
const char *yystr;
# endif
{
register const char *yys = yystr;
while (*yys++ != '\0')
continue;
return yys - yystr - 1;
}
# endif
# endif
# ifndef yystpcpy
# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
# define yystpcpy stpcpy
# else
/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
YYDEST. */
static char *
# if defined (__STDC__) || defined (__cplusplus)
yystpcpy (char *yydest, const char *yysrc)
# else
yystpcpy (yydest, yysrc)
char *yydest;
const char *yysrc;
# endif
{
register char *yyd = yydest;
register const char *yys = yysrc;
while ((*yyd++ = *yys++) != '\0')
continue;
return yyd - 1;
}
# endif
# endif
#endif
#line 315 "/usr/share/bison/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. */
#ifdef YYPARSE_PARAM
# if defined (__STDC__) || defined (__cplusplus)
# define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
# define YYPARSE_PARAM_DECL
# else
# define YYPARSE_PARAM_ARG YYPARSE_PARAM
# define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
# endif
#else /* !YYPARSE_PARAM */
# define YYPARSE_PARAM_ARG
# define YYPARSE_PARAM_DECL
#endif /* !YYPARSE_PARAM */
/* Prevent warning if -Wstrict-prototypes. */
#ifdef __GNUC__
# ifdef YYPARSE_PARAM
int yyparse (void *);
# else
int yyparse (void);
# endif
#endif
/* YY_DECL_VARIABLES -- depending whether we use a pure parser,
variables are global, or local to YYPARSE. */
#define YY_DECL_NON_LSP_VARIABLES \
/* The lookahead symbol. */ \
int yychar; \
\
/* The semantic value of the lookahead symbol. */ \
YYSTYPE yylval; \
\
/* Number of parse errors so far. */ \
int yynerrs;
#if YYLSP_NEEDED
# define YY_DECL_VARIABLES \
YY_DECL_NON_LSP_VARIABLES \
\
/* Location data for the lookahead symbol. */ \
YYLTYPE yylloc;
#else
# define YY_DECL_VARIABLES \
YY_DECL_NON_LSP_VARIABLES
#endif
/* If nonreentrant, generate the variables here. */
#if !YYPURE
YY_DECL_VARIABLES
#endif /* !YYPURE */
int
yyparse (YYPARSE_PARAM_ARG)
YYPARSE_PARAM_DECL
{
/* If reentrant, generate the variables here. */
#if YYPURE
YY_DECL_VARIABLES
#endif /* !YYPURE */
register int yystate;
register int yyn;
int yyresult;
/* Number of tokens to shift before error messages enabled. */
int yyerrstatus;
/* Lookahead token as an internal (translated) token number. */
int yychar1 = 0;
/* Three stacks and their tools:
`yyss': related to states,
`yyvs': related to semantic values,
`yyls': related to locations.
Refer to the stacks thru separate pointers, to allow yyoverflow
to reallocate them elsewhere. */
/* The state stack. */
short yyssa[YYINITDEPTH];
short *yyss = yyssa;
register short *yyssp;
/* The semantic value stack. */
YYSTYPE yyvsa[YYINITDEPTH];
YYSTYPE *yyvs = yyvsa;
register YYSTYPE *yyvsp;
#if YYLSP_NEEDED
/* The location stack. */
YYLTYPE yylsa[YYINITDEPTH];
YYLTYPE *yyls = yylsa;
YYLTYPE *yylsp;
#endif
#if YYLSP_NEEDED
# define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
#else
# define YYPOPSTACK (yyvsp--, yyssp--)
#endif
YYSIZE_T yystacksize = YYINITDEPTH;
/* The variables used to return semantic value and location from the
action routines. */
YYSTYPE yyval;
#if YYLSP_NEEDED
YYLTYPE yyloc;
#endif
/* When reducing, the number of symbols on the RHS of the reduced
rule. */
int yylen;
YYDPRINTF ((stderr, "Starting parse\n"));
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;
yyvsp = yyvs;
#if YYLSP_NEEDED
yylsp = yyls;
#endif
goto yysetstate;
/*------------------------------------------------------------.
| yynewstate -- Push a new state, which is found in yystate. |
`------------------------------------------------------------*/
yynewstate:
/* In all cases, when you get here, the value and location stacks
have just been pushed. so pushing a state here evens the stacks.
*/
yyssp++;
yysetstate:
*yyssp = yystate;
if (yyssp >= yyss + yystacksize - 1)
{
/* Get the current used size of the three stacks, in elements. */
YYSIZE_T yysize = yyssp - yyss + 1;
#ifdef yyoverflow
{
/* 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;
/* Each stack pointer address is followed by the size of the
data in use in that stack, in bytes. */
# if YYLSP_NEEDED
YYLTYPE *yyls1 = yyls;
/* 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, yysize * sizeof (*yyssp),
&yyvs1, yysize * sizeof (*yyvsp),
&yyls1, yysize * sizeof (*yylsp),
&yystacksize);
yyls = yyls1;
# else
yyoverflow ("parser stack overflow",
&yyss1, yysize * sizeof (*yyssp),
&yyvs1, yysize * sizeof (*yyvsp),
&yystacksize);
# endif
yyss = yyss1;
yyvs = yyvs1;
}
#else /* no yyoverflow */
# ifndef YYSTACK_RELOCATE
goto yyoverflowlab;
# else
/* Extend the stack our own way. */
if (yystacksize >= YYMAXDEPTH)
goto yyoverflowlab;
yystacksize *= 2;
if (yystacksize > YYMAXDEPTH)
yystacksize = YYMAXDEPTH;
{
short *yyss1 = yyss;
union yyalloc *yyptr =
(union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
if (! yyptr)
goto yyoverflowlab;
YYSTACK_RELOCATE (yyss);
YYSTACK_RELOCATE (yyvs);
# if YYLSP_NEEDED
YYSTACK_RELOCATE (yyls);
# endif
# undef YYSTACK_RELOCATE
if (yyss1 != yyssa)
YYSTACK_FREE (yyss1);
}
# endif
#endif /* no yyoverflow */
yyssp = yyss + yysize - 1;
yyvsp = yyvs + yysize - 1;
#if YYLSP_NEEDED
yylsp = yyls + yysize - 1;
#endif
YYDPRINTF ((stderr, "Stack size increased to %lu\n",
(unsigned long int) yystacksize));
if (yyssp >= yyss + yystacksize - 1)
YYABORT;
}
YYDPRINTF ((stderr, "Entering state %d\n", yystate));
goto yybackup;
/*-----------.
| 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)
{
YYDPRINTF ((stderr, "Reading a token: "));
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 */
YYDPRINTF ((stderr, "Now at end of input.\n"));
}
else
{
yychar1 = YYTRANSLATE (yychar);
#if YYDEBUG
/* We have to keep this `#if YYDEBUG', since we use variables
which are defined only if `YYDEBUG' is set. */
if (yydebug)
{
YYFPRINTF (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
YYFPRINTF (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. */
YYDPRINTF ((stderr, "Shifting token %d (%s), ",
yychar, yytname[yychar1]));
/* Discard the token being shifted unless it is eof. */
if (yychar != YYEOF)
yychar = YYEMPTY;
*++yyvsp = yylval;
#if YYLSP_NEEDED
*++yylsp = yylloc;
#endif
/* Count tokens shifted since error; after three, turn off error
status. */
if (yyerrstatus)
yyerrstatus--;
yystate = yyn;
goto yynewstate;
/*-----------------------------------------------------------.
| yydefault -- do the default action for the current state. |
`-----------------------------------------------------------*/
yydefault:
yyn = yydefact[yystate];
if (yyn == 0)
goto yyerrlab;
goto yyreduce;
/*-----------------------------.
| yyreduce -- Do a reduction. |
`-----------------------------*/
yyreduce:
/* yyn is the number of a rule to reduce with. */
yylen = yyr2[yyn];
/* If YYLEN is nonzero, implement the default value of the action:
`$$ = $1'.
Otherwise, the following line sets YYVAL to the semantic value of
the lookahead token. This behavior is undocumented and Bison
users should not rely upon it. Assigning to YYVAL
unconditionally makes the parser a bit smaller, and it avoids a
GCC warning that YYVAL may be used uninitialized. */
yyval = yyvsp[1-yylen];
#if YYLSP_NEEDED
/* Similarly for the default location. Let the user run additional
commands if for instance locations are ranges. */
yyloc = yylsp[1-yylen];
YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
#endif
#if YYDEBUG
/* We have to keep this `#if YYDEBUG', since we use variables which
are defined only if `YYDEBUG' is set. */
if (yydebug)
{
int yyi;
YYFPRINTF (stderr, "Reducing via rule %d (line %d), ",
yyn, yyrline[yyn]);
/* Print the symbols being reduced, and their result. */
for (yyi = yyprhs[yyn]; yyrhs[yyi] > 0; yyi++)
YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
YYFPRINTF (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 330 "STGrammar.y"
{
yyval = [STCMessage message];
[yyval addKeyword:yyvsp[-1] object:yyvsp[0]];
;
break;}
case 54:
#line 335 "STGrammar.y"
{
yyval = yyvsp[-2];
[yyval addKeyword:yyvsp[-1] object:yyvsp[0]];
;
break;}
case 59:
#line 347 "STGrammar.y"
{
yyval = [STCPrimary primaryWithVariable:yyvsp[0]];
;
break;}
case 60:
#line 351 "STGrammar.y"
{
yyval = [STCPrimary primaryWithLiteral:yyvsp[0]];
;
break;}
case 61:
#line 355 "STGrammar.y"
{
yyval = [STCPrimary primaryWithBlock:yyvsp[0]];
;
break;}
case 62:
#line 359 "STGrammar.y"
{
yyval = [STCPrimary primaryWithExpression:yyvsp[-1]];
;
break;}
case 67:
#line 373 "STGrammar.y"
{ yyval = [COMPILER createIntNumberLiteralFrom:yyvsp[0]]; ;
break;}
case 68:
#line 375 "STGrammar.y"
{ yyval = [COMPILER createRealNumberLiteralFrom:yyvsp[0]]; ;
break;}
case 69:
#line 377 "STGrammar.y"
{ yyval = [COMPILER createSymbolLiteralFrom:yyvsp[0]]; ;
break;}
case 70:
#line 379 "STGrammar.y"
{ yyval = [COMPILER createStringLiteralFrom:yyvsp[0]]; ;
break;}
case 71:
#line 381 "STGrammar.y"
{ yyval = [COMPILER createCharacterLiteralFrom:yyvsp[0]]; ;
break;}
case 72:
#line 383 "STGrammar.y"
{ yyval = [COMPILER createArrayLiteralFrom:yyvsp[-1]]; ;
break;}
case 73:
#line 385 "STGrammar.y"
{ yyval = [NSMutableArray array]; ;
break;}
case 74:
#line 386 "STGrammar.y"
{ yyval = [NSMutableArray array];
[yyval addObject:yyvsp[0]]; ;
break;}
case 75:
#line 388 "STGrammar.y"
{ yyval = [NSMutableArray array];
[yyval addObject:yyvsp[0]]; ;
break;}
case 76:
#line 390 "STGrammar.y"
{ yyval = yyvsp[-1]; [yyval addObject:yyvsp[0]]; ;
break;}
case 77:
#line 391 "STGrammar.y"
{ yyval = yyvsp[-1]; [yyval addObject:yyvsp[0]]; ;
break;}
case 78:
#line 394 "STGrammar.y"
{ yyval = [COMPILER createSymbolLiteralFrom:yyvsp[0]]; ;
break;}
case 79:
#line 396 "STGrammar.y"
{ yyval = [COMPILER createSymbolLiteralFrom:yyvsp[0]]; ;
break;}
case 80:
#line 398 "STGrammar.y"
{ yyval = [COMPILER createSymbolLiteralFrom:yyvsp[0]]; ;
break;}
}
#line 705 "/usr/share/bison/bison.simple"
yyvsp -= yylen;
yyssp -= yylen;
#if YYLSP_NEEDED
yylsp -= yylen;
#endif
#if YYDEBUG
if (yydebug)
{
short *yyssp1 = yyss - 1;
YYFPRINTF (stderr, "state stack now");
while (yyssp1 != yyssp)
YYFPRINTF (stderr, " %d", *++yyssp1);
YYFPRINTF (stderr, "\n");
}
#endif
*++yyvsp = yyval;
#if YYLSP_NEEDED
*++yylsp = yyloc;
#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 |
`------------------------------------*/
yyerrlab:
/* If not already recovering from an error, report this error. */
if (!yyerrstatus)
{
++yynerrs;
#ifdef YYERROR_VERBOSE
yyn = yypact[yystate];
if (yyn > YYFLAG && yyn < YYLAST)
{
YYSIZE_T yysize = 0;
char *yymsg;
int yyx, yycount;
yycount = 0;
/* Start YYX at -YYN if negative to avoid negative indexes in
YYCHECK. */
for (yyx = yyn < 0 ? -yyn : 0;
yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++)
if (yycheck[yyx + yyn] == yyx)
yysize += yystrlen (yytname[yyx]) + 15, yycount++;
yysize += yystrlen ("parse error, unexpected ") + 1;
yysize += yystrlen (yytname[YYTRANSLATE (yychar)]);
yymsg = (char *) YYSTACK_ALLOC (yysize);
if (yymsg != 0)
{
char *yyp = yystpcpy (yymsg, "parse error, unexpected ");
yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]);
if (yycount < 5)
{
yycount = 0;
for (yyx = yyn < 0 ? -yyn : 0;
yyx < (int) (sizeof (yytname) / sizeof (char *));
yyx++)
if (yycheck[yyx + yyn] == yyx)
{
const char *yyq = ! yycount ? ", expecting " : " or ";
yyp = yystpcpy (yyp, yyq);
yyp = yystpcpy (yyp, yytname[yyx]);
yycount++;
}
}
yyerror (yymsg);
YYSTACK_FREE (yymsg);
}
else
yyerror ("parse error; also virtual memory exhausted");
}
else
#endif /* defined (YYERROR_VERBOSE) */
yyerror ("parse error");
}
goto yyerrlab1;
/*--------------------------------------------------.
| yyerrlab1 -- error raised explicitly by an action |
`--------------------------------------------------*/
yyerrlab1:
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;
YYDPRINTF ((stderr, "Discarding token %d (%s).\n",
yychar, yytname[yychar1]));
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. |
`-------------------------------------------------------------------*/
yyerrdefault:
#if 0
/* This is wrong; only states that explicitly want error tokens
should shift them. */
/* If its default is to accept any token, ok. Otherwise pop it. */
yyn = yydefact[yystate];
if (yyn)
goto yydefault;
#endif
/*---------------------------------------------------------------.
| yyerrpop -- pop the current state because it cannot handle the |
| error token |
`---------------------------------------------------------------*/
yyerrpop:
if (yyssp == yyss)
YYABORT;
yyvsp--;
yystate = *--yyssp;
#if YYLSP_NEEDED
yylsp--;
#endif
#if YYDEBUG
if (yydebug)
{
short *yyssp1 = yyss - 1;
YYFPRINTF (stderr, "Error: state stack now");
while (yyssp1 != yyssp)
YYFPRINTF (stderr, " %d", *++yyssp1);
YYFPRINTF (stderr, "\n");
}
#endif
/*--------------.
| yyerrhandle. |
`--------------*/
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;
YYDPRINTF ((stderr, "Shifting error token, "));
*++yyvsp = yylval;
#if YYLSP_NEEDED
*++yylsp = yylloc;
#endif
yystate = yyn;
goto yynewstate;
/*-------------------------------------.
| yyacceptlab -- YYACCEPT comes here. |
`-------------------------------------*/
yyacceptlab:
yyresult = 0;
goto yyreturn;
/*-----------------------------------.
| yyabortlab -- YYABORT comes here. |
`-----------------------------------*/
yyabortlab:
yyresult = 1;
goto yyreturn;
/*---------------------------------------------.
| yyoverflowab -- parser overflow comes here. |
`---------------------------------------------*/
yyoverflowlab:
yyerror ("parser stack overflow");
yyresult = 2;
/* Fall through. */
yyreturn:
#ifndef yyoverflow
if (yyss != yyssa)
YYSTACK_FREE (yyss);
#endif
return yyresult;
}
#line 400 "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 STIntNumberTokenType: return TK_INTNUMBER;
case STRealNumberTokenType: return TK_REALNUMBER;
case STSeparatorTokenType: return TK_SEPARATOR;
case STEndTokenType: return 0;
case STSharpTokenType:
case STInvalidTokenType:
case STErrorTokenType:
return 1;
}
return 1;
}
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