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mst.tab.c
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C/C++ Source or Header
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1992-03-01
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40KB
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1,278 lines
/* A Bison parser, made from mst.y */
#define BANG 258
#define COLON 259
#define UPARROW 260
#define DOT 261
#define ASSIGN 262
#define SHARP 263
#define SEMICOLON 264
#define OPEN_PAREN 265
#define CLOSE_PAREN 266
#define OPEN_BRACKET 267
#define CLOSE_BRACKET 268
#define PRIMITIVE_START 269
#define INTERNAL_TOKEN 270
#define IDENTIFIER 271
#define KEYWORD 272
#define STRING_LITERAL 273
#define SYMBOL_KEYWORD 274
#define BINOP 275
#define VERTICAL_BAR 276
#define INTEGER_LITERAL 277
#define FLOATING_LITERAL 278
#define CHAR_LITERAL 279
#line 26 "mst.y"
#include "mst.h"
#include "mstsym.h"
#include "msttree.h"
#include "mstdict.h"
#include "mstcomp.h"
#include <stdio.h>
#ifdef HAS_ALLOCA_H
#include <alloca.h>
#endif
#define YYDEBUG 1
extern Boolean quietExecution;
#line 45 "mst.y"
typedef union{
char cval;
double fval;
long ival;
char *sval;
TreeNode node;
} YYSTYPE;
#ifndef YYLTYPE
typedef
struct yyltype
{
int timestamp;
int first_line;
int first_column;
int last_line;
int last_column;
char *text;
}
yyltype;
#define YYLTYPE yyltype
#endif
#include <stdio.h>
#ifndef __STDC__
#define const
#endif
#define YYFINAL 148
#define YYFLAG -32768
#define YYNTBASE 25
#define YYTRANSLATE(x) ((unsigned)(x) <= 279 ? yytranslate[x] : 72)
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, 22, 23, 24
};
static const short yyprhs[] = { 0,
0, 2, 5, 6, 8, 10, 13, 17, 20, 23,
27, 30, 34, 36, 39, 43, 46, 50, 54, 59,
61, 64, 66, 68, 70, 72, 74, 76, 79, 83,
85, 89, 92, 96, 98, 101, 102, 104, 108, 110,
114, 118, 119, 121, 123, 126, 129, 133, 135, 137,
139, 141, 143, 145, 149, 151, 153, 155, 157, 159,
161, 163, 166, 168, 170, 172, 174, 176, 178, 181,
184, 188, 190, 193, 195, 197, 199, 201, 203, 208,
209, 212, 215, 219, 221, 223, 225, 228, 230, 232,
236, 238, 240, 243, 246, 250, 253, 256, 260, 262,
265
};
static const short yyrhs[] = { 27,
0, 26, 32, 0, 0, 15, 0, 28, 0, 27,
28, 0, 29, 31, 3, 0, 29, 3, 0, 43,
3, 0, 40, 43, 3, 0, 1, 3, 0, 3,
30, 3, 0, 47, 0, 32, 3, 0, 31, 32,
3, 0, 33, 42, 0, 33, 40, 42, 0, 33,
39, 42, 0, 33, 40, 39, 42, 0, 34, 0,
35, 36, 0, 37, 0, 1, 0, 16, 0, 20,
0, 21, 0, 16, 0, 38, 36, 0, 37, 38,
36, 0, 17, 0, 14, 22, 20, 0, 21, 21,
0, 21, 41, 21, 0, 36, 0, 41, 36, 0,
0, 43, 0, 5, 45, 44, 0, 45, 0, 45,
6, 42, 0, 1, 6, 42, 0, 0, 6, 0,
47, 0, 46, 47, 0, 36, 7, 0, 46, 36,
7, 0, 48, 0, 62, 0, 69, 0, 36, 0,
49, 0, 59, 0, 10, 45, 11, 0, 50, 0,
51, 0, 53, 0, 54, 0, 55, 0, 22, 0,
23, 0, 8, 52, 0, 16, 0, 35, 0, 19,
0, 17, 0, 24, 0, 18, 0, 8, 56, 0,
10, 11, 0, 10, 57, 11, 0, 58, 0, 57,
58, 0, 50, 0, 52, 0, 54, 0, 53, 0,
56, 0, 12, 60, 42, 13, 0, 0, 61, 21,
0, 4, 36, 0, 61, 4, 36, 0, 63, 0,
65, 0, 67, 0, 64, 34, 0, 48, 0, 63,
0, 66, 35, 64, 0, 64, 0, 65, 0, 66,
68, 0, 38, 66, 0, 68, 38, 66, 0, 62,
70, 0, 9, 71, 0, 70, 9, 71, 0, 34,
0, 35, 64, 0, 68, 0
};
#if YYDEBUG != 0
static const short yyrline[] = { 0,
80, 82, 83, 86, 89, 91, 94, 96, 97, 103,
110, 114, 118, 159, 171, 184, 187, 189, 191, 196,
198, 200, 201, 207, 211, 213, 216, 220, 222, 227,
231, 239, 241, 245, 247, 251, 253, 256, 260, 261,
264, 271, 273, 276, 278, 281, 283, 288, 290, 291,
294, 296, 297, 298, 301, 303, 304, 305, 306, 309,
311, 314, 318, 320, 321, 322, 326, 330, 334, 338,
340, 344, 346, 351, 353, 354, 355, 356, 359, 364,
366, 372, 374, 379, 381, 382, 385, 389, 391, 394,
399, 401, 404, 409, 412, 417, 422, 424, 429, 431,
433
};
static const char * const yytname[] = { "$",
"error","$illegal.","BANG","COLON","UPARROW","DOT","ASSIGN","SHARP","SEMICOLON","OPEN_PAREN",
"CLOSE_PAREN","OPEN_BRACKET","CLOSE_BRACKET","PRIMITIVE_START","INTERNAL_TOKEN","IDENTIFIER","KEYWORD","STRING_LITERAL","SYMBOL_KEYWORD","BINOP",
"VERTICAL_BAR","INTEGER_LITERAL","FLOATING_LITERAL","CHAR_LITERAL","program","internal_marker","class_definition_list","class_definition","class_header","class_specification",
"method_list","method","message_pattern","unary_selector","binary_selector","variable_name","keyword_variable_list","keyword","primitive","temporaries",
"variable_names","statements","non_empty_statements","optional_dot","expression","assigns","simple_expression","primary","literal","number",
"symbol_constant","symbol","character_constant","string","array_constant","array","array_constant_list","array_constant_elt","block","opt_block_variables",
"block_variable_list","message_expression","unary_expression","unary_object_description","binary_expression","binary_object_description","keyword_expression","keyword_binary_object_description_list","cascaded_message_expression","semi_message_list",
"message_elt",""
};
#endif
static const short yyr1[] = { 0,
25, 25, 25, 26, 27, 27, 28, 28, 28, 28,
28, 29, 30, 31, 31, 32, 32, 32, 32, 33,
33, 33, 33, 34, 35, 35, 36, 37, 37, 38,
39, 40, 40, 41, 41, 42, 42, 43, 43, 43,
43, 44, 44, 45, 45, 46, 46, 47, 47, 47,
48, 48, 48, 48, 49, 49, 49, 49, 49, 50,
50, 51, 52, 52, 52, 52, 53, 54, 55, 56,
56, 57, 57, 58, 58, 58, 58, 58, 59, 60,
60, 61, 61, 62, 62, 62, 63, 64, 64, 65,
66, 66, 67, 68, 68, 69, 70, 70, 71, 71,
71
};
static const short yyr2[] = { 0,
1, 2, 0, 1, 1, 2, 3, 2, 2, 3,
2, 3, 1, 2, 3, 2, 3, 3, 4, 1,
2, 1, 1, 1, 1, 1, 1, 2, 3, 1,
3, 2, 3, 1, 2, 0, 1, 3, 1, 3,
3, 0, 1, 1, 2, 2, 3, 1, 1, 1,
1, 1, 1, 3, 1, 1, 1, 1, 1, 1,
1, 2, 1, 1, 1, 1, 1, 1, 2, 2,
3, 1, 2, 1, 1, 1, 1, 1, 4, 0,
2, 2, 3, 1, 1, 1, 2, 1, 1, 3,
1, 1, 2, 2, 3, 2, 2, 3, 1, 2,
1
};
static const short yydefact[] = { 0,
0, 0, 0, 0, 0, 80, 4, 27, 68, 0,
60, 61, 67, 0, 0, 5, 0, 51, 0, 0,
39, 0, 44, 48, 52, 55, 56, 57, 58, 59,
53, 49, 84, 91, 85, 0, 86, 50, 11, 0,
0, 51, 13, 42, 0, 63, 66, 65, 25, 26,
64, 62, 69, 0, 0, 0, 0, 32, 34, 0,
23, 24, 30, 2, 0, 20, 0, 22, 0, 6,
8, 0, 0, 46, 0, 0, 9, 0, 51, 45,
0, 96, 87, 0, 0, 93, 41, 37, 12, 43,
38, 70, 74, 75, 77, 76, 78, 0, 72, 54,
82, 0, 0, 81, 33, 35, 0, 0, 0, 16,
21, 0, 28, 7, 0, 14, 10, 40, 47, 99,
0, 101, 97, 0, 88, 89, 90, 92, 94, 0,
71, 73, 79, 83, 0, 18, 0, 17, 29, 15,
100, 98, 95, 31, 19, 0, 0, 0
};
static const short yydefgoto[] = { 146,
14, 15, 16, 17, 41, 72, 64, 65, 66, 51,
18, 68, 69, 108, 19, 60, 87, 88, 91, 21,
22, 23, 24, 25, 26, 27, 94, 28, 29, 30,
97, 98, 99, 31, 56, 57, 32, 33, 34, 35,
36, 37, 122, 38, 82, 123
};
static const short yypact[] = { 125,
70, 293, 293, 338, 293, 12,-32768,-32768,-32768, 30,
-32768,-32768,-32768, 96, 175,-32768, 20, 11, 290, 42,
66, 293,-32768, 22,-32768,-32768,-32768,-32768,-32768,-32768,
-32768, 74, 58, 76, 64, 101,-32768,-32768,-32768, 200,
90,-32768,-32768, 92, 308,-32768,-32768,-32768,-32768,-32768,
-32768,-32768,-32768, 93, 85, 270, 7,-32768,-32768, 33,
-32768,-32768,-32768,-32768, 150,-32768, 85, 94, 85,-32768,
-32768, 79, 106,-32768, 113, 117,-32768, 200, 120,-32768,
86, 115,-32768, 293, 293, 94,-32768,-32768,-32768,-32768,
-32768,-32768,-32768,-32768,-32768,-32768,-32768, 323,-32768,-32768,
-32768, 118, 85,-32768,-32768,-32768, 112, 250, 225,-32768,
-32768, 85,-32768,-32768, 133,-32768,-32768,-32768,-32768,-32768,
293, 94,-32768, 86,-32768,-32768, 76,-32768, 6, 293,
-32768,-32768,-32768,-32768, 119,-32768, 250,-32768,-32768,-32768,
76,-32768, 6,-32768,-32768, 138, 142,-32768
};
static const short yypgoto[] = {-32768,
-32768,-32768, 129,-32768,-32768,-32768, -8,-32768, -33, -14,
2,-32768, -34, 36, 87,-32768, -48, 14,-32768, 50,
-32768, 13, -65,-32768, -39,-32768, 152, -35, -32,-32768,
153,-32768, 56,-32768,-32768,-32768,-32768, -53, -77, -80,
-60,-32768, 123,-32768,-32768, 37
};
#define YYLAST 359
static const short yytable[] = { 67,
83, 85, 67, 42, 128, 93, 127, 102, 73, 95,
103, 59, 96, 20, 43, 55, 110, 74, 125, 125,
61, 84, 71, 79, 129, 49, 50, 104, 20, 118,
126, 126, 76, 112, 80, 62, 63, -88, -88, 49,
50, -88, -88, 141, 77, 8, 85, 120, 8, 128,
58, 130, 44, 105, 54, 125, 101, 67, 93, 136,
138, 106, 95, 115, 125, 96, 121, 126, 111, 143,
113, 78, 39, -89, -89, 40, 126, -89, -89, 61,
-92, 114, 81, -92, -92, 42, 42, 130, 145, 85,
120, 62, 89, 83, 62, 63, 61, 90, 49, 50,
8, 62, 63, 100, 134, 49, 50, 83, 116, 121,
63, 62, 63, 139, 84, 49, 50, 63, 40, 117,
49, 50, 42, 124, -3, 1, 119, 2, 84, 3,
133, 42, 4, 135, 5, 140, 6, 147, 144, 7,
8, 148, 9, 70, 137, 10, 11, 12, 13, -36,
75, 109, -36, 132, 3, 52, 53, 4, 86, 5,
142, 6, 0, 107, 0, 8, 0, 9, 0, 0,
10, 11, 12, 13, -1, 1, 0, 2, 0, 3,
0, 0, 4, 0, 5, 0, 6, 0, 0, 0,
8, 0, 9, 0, 0, 10, 11, 12, 13, -36,
75, 0, -36, 0, 3, 0, 0, 4, 0, 5,
0, 6, -36, 0, 0, 8, 0, 9, 0, 0,
0, 11, 12, 13, -36, 75, 0, -36, 0, 3,
0, 0, 4, 0, 5, 0, 6, 0, 107, 0,
8, 0, 9, 0, 0, 0, 11, 12, 13, -36,
75, 0, -36, 0, 3, 0, 0, 4, 0, 5,
0, 6, 0, 0, 0, 8, 0, 9, 0, 0,
75, 11, 12, 13, 3, 0, 0, 4, 0, 5,
0, 6, -36, 0, 0, 8, 0, 9, 0, 0,
75, 11, 12, 13, 3, 0, 0, 4, 0, 5,
4, 6, 5, 0, 6, 8, 0, 9, 8, 0,
9, 11, 12, 13, 11, 12, 13, 45, 92, 0,
0, 0, 0, 46, 47, 9, 48, 49, 50, 11,
12, 13, 45, 131, 0, 0, 0, 0, 46, 47,
9, 48, 49, 50, 11, 12, 13, 45, 0, 0,
0, 0, 0, 46, 47, 0, 48, 49, 50
};
static const short yycheck[] = { 14,
34, 36, 17, 2, 85, 45, 84, 56, 17, 45,
4, 10, 45, 0, 2, 4, 65, 7, 84, 85,
1, 36, 3, 22, 85, 20, 21, 21, 15, 78,
84, 85, 19, 68, 22, 16, 17, 16, 17, 20,
21, 20, 21, 121, 3, 16, 81, 81, 16, 130,
21, 86, 3, 21, 5, 121, 55, 72, 98, 108,
109, 60, 98, 72, 130, 98, 81, 121, 67, 130,
69, 6, 3, 16, 17, 6, 130, 20, 21, 1,
17, 3, 9, 20, 21, 84, 85, 122, 137, 124,
124, 16, 3, 127, 16, 17, 1, 6, 20, 21,
16, 16, 17, 11, 103, 20, 21, 141, 3, 124,
17, 16, 17, 112, 129, 20, 21, 17, 6, 3,
20, 21, 121, 9, 0, 1, 7, 3, 143, 5,
13, 130, 8, 22, 10, 3, 12, 0, 20, 15,
16, 0, 18, 15, 109, 21, 22, 23, 24, 0,
1, 65, 3, 98, 5, 4, 4, 8, 36, 10,
124, 12, -1, 14, -1, 16, -1, 18, -1, -1,
21, 22, 23, 24, 0, 1, -1, 3, -1, 5,
-1, -1, 8, -1, 10, -1, 12, -1, -1, -1,
16, -1, 18, -1, -1, 21, 22, 23, 24, 0,
1, -1, 3, -1, 5, -1, -1, 8, -1, 10,
-1, 12, 13, -1, -1, 16, -1, 18, -1, -1,
-1, 22, 23, 24, 0, 1, -1, 3, -1, 5,
-1, -1, 8, -1, 10, -1, 12, -1, 14, -1,
16, -1, 18, -1, -1, -1, 22, 23, 24, 0,
1, -1, 3, -1, 5, -1, -1, 8, -1, 10,
-1, 12, -1, -1, -1, 16, -1, 18, -1, -1,
1, 22, 23, 24, 5, -1, -1, 8, -1, 10,
-1, 12, 13, -1, -1, 16, -1, 18, -1, -1,
1, 22, 23, 24, 5, -1, -1, 8, -1, 10,
8, 12, 10, -1, 12, 16, -1, 18, 16, -1,
18, 22, 23, 24, 22, 23, 24, 10, 11, -1,
-1, -1, -1, 16, 17, 18, 19, 20, 21, 22,
23, 24, 10, 11, -1, -1, -1, -1, 16, 17,
18, 19, 20, 21, 22, 23, 24, 10, -1, -1,
-1, -1, -1, 16, 17, -1, 19, 20, 21
};
#define YYPURE 1
/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
#line 3 "/home/sbb/gnu/lib/bison.simple"
/* Skeleton output parser for bison,
Copyright (C) 1984, 1989, 1990 Bob Corbett and Richard Stallman
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 1, 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. */
#ifndef alloca
#ifdef __GNUC__
#define alloca __builtin_alloca
#else /* Not GNU C. */
#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__)
#include <alloca.h>
#else /* Not sparc */
#ifdef MSDOS
#include <malloc.h>
#endif /* MSDOS */
#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(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
#ifndef YYPURE
#define YYLEX yylex()
#endif
#ifdef YYPURE
#ifdef YYLSP_NEEDED
#define YYLEX yylex(&yylval, &yylloc)
#else
#define YYLEX yylex(&yylval)
#endif
#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
#ifndef __cplusplus
/* This is the most reliable way to avoid incompatibilities
in available built-in functions on various systems. */
static void
__yy_bcopy (from, to, count)
char *from;
char *to;
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_bcopy (char *from, char *to, int count)
{
register char *f = from;
register char *t = to;
register int i = count;
while (i-- > 0)
*t++ = *f++;
}
#endif
#line 160 "/home/sbb/gnu/lib/bison.simple"
int
yyparse()
{
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; /* 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 *yyls = yylsa;
YYLTYPE *yylsp;
YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */
#define YYPOPSTACK (yyvsp--, yysp--, yylsp--)
#else
#define YYPOPSTACK (yyvsp--, yysp--)
#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. */
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. */
yyoverflow("parser stack overflow",
&yyss1, size * sizeof (*yyssp),
&yyvs1, size * sizeof (*yyvsp),
#ifdef YYLSP_NEEDED
&yyls1, size * sizeof (*yylsp),
#endif
&yystacksize);
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_bcopy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp));
yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
__yy_bcopy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp));
#ifdef YYLSP_NEEDED
yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
__yy_bcopy ((char *)yyls1, (char *)yyls, 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
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)\n", yychar, yytname[yychar1]);
#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];
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 symboles 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 2:
#line 82 "mst.y"
{ compileMethod(yyvsp[0].node); ;
break;}
case 4:
#line 87 "mst.y"
{ clearMethodStartPos(); ;
break;}
case 7:
#line 95 "mst.y"
{ skipCompilation = false; ;
break;}
case 8:
#line 96 "mst.y"
{ skipCompilation = false; ;
break;}
case 9:
#line 97 "mst.y"
{ if (!hadError) {
executeStatements(nil, yyvsp[-1].node,
quietExecution);
}
hadError = false;
;
break;}
case 10:
#line 104 "mst.y"
{ if (!hadError) {
executeStatements(yyvsp[-2].node, yyvsp[-1].node,
quietExecution);
}
hadError = false;
;
break;}
case 11:
#line 110 "mst.y"
{ hadError = false;
yyerrok; ;
break;}
case 12:
#line 115 "mst.y"
{ clearMethodStartPos(); ;
break;}
case 13:
#line 119 "mst.y"
{ executeStatements(nil,
makeStatementList(yyvsp[0].node, nil), true); ;
break;}
case 14:
#line 160 "mst.y"
{ if (!hadError) {
if (skipCompilation) {
freeTree(yyvsp[-1].node);
} else {
compileMethod(yyvsp[-1].node);
clearMethodStartPos();
}
} else {
hadError = false;
}
;
break;}
case 15:
#line 171 "mst.y"
{ if (!hadError) {
if (skipCompilation) {
freeTree(yyvsp[-1].node);
} else {
compileMethod(yyvsp[-1].node);
clearMethodStartPos();
}
} else {
hadError = false;
}
;
break;}
case 16:
#line 186 "mst.y"
{ yyval.node = makeMethod(yyvsp[-1].node, nil, 0, yyvsp[0].node); ;
break;}
case 17:
#line 188 "mst.y"
{ yyval.node = makeMethod(yyvsp[-2].node, yyvsp[-1].node, 0, yyvsp[0].node); ;
break;}
case 18:
#line 190 "mst.y"
{ yyval.node = makeMethod(yyvsp[-2].node, nil, yyvsp[-1].ival, yyvsp[0].node); ;
break;}
case 19:
#line 192 "mst.y"
{ yyval.node = makeMethod(yyvsp[-3].node, yyvsp[-2].node, yyvsp[-1].ival, yyvsp[0].node); ;
break;}
case 20:
#line 197 "mst.y"
{ yyval.node = makeUnaryExpr(nil, yyvsp[0].sval); ;
break;}
case 21:
#line 198 "mst.y"
{ yyval.node = makeBinaryExpr(nil, yyvsp[-1].sval,
yyvsp[0].node); ;
break;}
case 22:
#line 200 "mst.y"
{ yyval.node = makeKeywordExpr(nil, yyvsp[0].node); ;
break;}
case 23:
#line 201 "mst.y"
{ errorf("Invalid message pattern");
hadError = true;
yyerrok;
yyval.node = nil; ;
break;}
case 27:
#line 217 "mst.y"
{ yyval.node = makeVariable(yyvsp[0].sval); ;
break;}
case 28:
#line 221 "mst.y"
{ yyval.node = makeKeywordList(yyvsp[-1].sval, yyvsp[0].node); ;
break;}
case 29:
#line 223 "mst.y"
{ addNode(yyvsp[-2].node, makeKeywordList(yyvsp[-1].sval, yyvsp[0].node));
yyval.node = yyvsp[-2].node; ;
break;}
case 31:
#line 233 "mst.y"
{ yyval.ival = yyvsp[-1].ival;
if (strcmp(yyvsp[0].sval, ">") != 0) {
YYERROR;
}
;
break;}
case 32:
#line 240 "mst.y"
{ yyval.node = nil; ;
break;}
case 33:
#line 242 "mst.y"
{ yyval.node = yyvsp[-1].node; ;
break;}
case 34:
#line 246 "mst.y"
{ yyval.node = makeVariableList(yyvsp[0].node); ;
break;}
case 35:
#line 247 "mst.y"
{ addNode(yyvsp[-1].node, makeVariableList(yyvsp[0].node));
yyval.node = yyvsp[-1].node; ;
break;}
case 36:
#line 252 "mst.y"
{ yyval.node = nil; ;
break;}
case 38:
#line 258 "mst.y"
{ yyval.node = makeStatementList(makeReturn(yyvsp[-1].node),
nil); ;
break;}
case 39:
#line 260 "mst.y"
{ yyval.node = makeStatementList(yyvsp[0].node, nil); ;
break;}
case 40:
#line 263 "mst.y"
{ yyval.node = makeStatementList(yyvsp[-2].node, yyvsp[0].node); ;
break;}
case 41:
#line 264 "mst.y"
{ yyval.node = yyvsp[0].node;
yyerrok;
errorf("Error in expression");
hadError = true;
;
break;}
case 45:
#line 278 "mst.y"
{ yyval.node = makeAssign(yyvsp[-1].node, yyvsp[0].node); ;
break;}
case 46:
#line 282 "mst.y"
{ yyval.node = makeVariableList(yyvsp[-1].node); ;
break;}
case 47:
#line 284 "mst.y"
{ addNode(yyvsp[-2].node, makeVariableList(yyvsp[-1].node));
yyval.node = yyvsp[-2].node; ;
break;}
case 54:
#line 298 "mst.y"
{ yyval.node = yyvsp[-1].node; ;
break;}
case 60:
#line 310 "mst.y"
{ yyval.node = makeIntConstant(yyvsp[0].ival); ;
break;}
case 61:
#line 311 "mst.y"
{ yyval.node = makeFloatConstant(yyvsp[0].fval); ;
break;}
case 62:
#line 315 "mst.y"
{ yyval.node = makeSymbolConstant(yyvsp[0].node); ;
break;}
case 63:
#line 319 "mst.y"
{ yyval.node = internIdent(yyvsp[0].sval); ;
break;}
case 64:
#line 320 "mst.y"
{ yyval.node = internBinOP(yyvsp[0].sval); ;
break;}
case 65:
#line 321 "mst.y"
{ yyval.node = internIdent(yyvsp[0].sval); ;
break;}
case 66:
#line 322 "mst.y"
{ yyval.node = internIdent(yyvsp[0].sval); ;
break;}
case 67:
#line 327 "mst.y"
{ yyval.node = makeCharConstant(yyvsp[0].cval); ;
break;}
case 68:
#line 331 "mst.y"
{ yyval.node = makeStringConstant(yyvsp[0].sval); ;
break;}
case 69:
#line 335 "mst.y"
{ yyval.node = makeArrayConstant(yyvsp[0].node); ;
break;}
case 70:
#line 339 "mst.y"
{ yyval.node = nil; ;
break;}
case 71:
#line 341 "mst.y"
{ yyval.node = yyvsp[-1].node; ;
break;}
case 72:
#line 345 "mst.y"
{ yyval.node = makeArrayElt(yyvsp[0].node); ;
break;}
case 73:
#line 347 "mst.y"
{ addNode(yyvsp[-1].node, makeArrayElt(yyvsp[0].node));
yyval.node = yyvsp[-1].node; ;
break;}
case 79:
#line 361 "mst.y"
{ yyval.node = makeBlock(yyvsp[-2].node, yyvsp[-1].node); ;
break;}
case 80:
#line 365 "mst.y"
{ yyval.node = nil; ;
break;}
case 82:
#line 373 "mst.y"
{ yyval.node = makeVariableList(yyvsp[0].node); ;
break;}
case 83:
#line 375 "mst.y"
{ addNode(yyvsp[-2].node, makeVariableList(yyvsp[0].node));
yyval.node = yyvsp[-2].node; ;
break;}
case 87:
#line 386 "mst.y"
{ yyval.node = makeUnaryExpr(yyvsp[-1].node, yyvsp[0].sval); ;
break;}
case 90:
#line 396 "mst.y"
{ yyval.node = makeBinaryExpr(yyvsp[-2].node, yyvsp[-1].sval, yyvsp[0].node); ;
break;}
case 93:
#line 406 "mst.y"
{ yyval.node = makeKeywordExpr(yyvsp[-1].node, yyvsp[0].node); ;
break;}
case 94:
#line 411 "mst.y"
{ yyval.node = makeKeywordList(yyvsp[-1].sval, yyvsp[0].node); ;
break;}
case 95:
#line 413 "mst.y"
{ addNode(yyvsp[-2].node, makeKeywordList(yyvsp[-1].sval, yyvsp[0].node));
yyval.node = yyvsp[-2].node; ;
break;}
case 96:
#line 419 "mst.y"
{ yyval.node = makeCascadedMessage(yyvsp[-1].node, yyvsp[0].node); ;
break;}
case 97:
#line 423 "mst.y"
{ yyval.node = makeMessageList(yyvsp[0].node); ;
break;}
case 98:
#line 425 "mst.y"
{ addNode(yyvsp[-2].node, makeMessageList(yyvsp[0].node));
yyval.node = yyvsp[-2].node; ;
break;}
case 99:
#line 430 "mst.y"
{ yyval.node = makeUnaryExpr(nil, yyvsp[0].sval); ;
break;}
case 100:
#line 432 "mst.y"
{ yyval.node = makeBinaryExpr(nil, yyvsp[-1].sval, yyvsp[0].node); ;
break;}
case 101:
#line 434 "mst.y"
{ yyval.node = makeKeywordExpr(nil, yyvsp[0].node); ;
break;}
}
/* the action file gets copied in in place of this dollarsign */
#line 423 "/home/sbb/gnu/lib/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;
for (x = 0; x < (sizeof(yytname) / sizeof(char *)); x++)
if (yycheck[x + yyn] == x)
size += strlen(yytname[x]) + 15, count++;
msg = (char *) xmalloc(size + 15);
strcpy(msg, "parse error");
if (count < 5)
{
count = 0;
for (x = 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
#endif /* YYERROR_VERBOSE */
yyerror("parse error");
}
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 438 "mst.y"
/*
ADDITIONAL C CODE
*/