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This commit is contained in:
Paul Eggert
2004-05-03 07:58:53 +00:00
parent 12ffdd2835
commit a76ca26309
2 changed files with 101 additions and 80 deletions
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179
src/parse-gram.c
View File

@@ -167,7 +167,28 @@
/* Copy the first part of user declarations. */
#line 32 "parse-gram.y"
#line 1 "parse-gram.y"
/* Bison Grammar Parser -*- C -*-
Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
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 of the License, 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
*/
#include "system.h"
@@ -219,7 +240,7 @@ int current_prec = 0;
#endif
#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
#line 80 "parse-gram.y"
#line 78 "parse-gram.y"
typedef union YYSTYPE {
symbol *symbol;
symbol_list *list;
@@ -229,7 +250,7 @@ typedef union YYSTYPE {
uniqstr uniqstr;
} YYSTYPE;
/* Line 191 of yacc.c. */
#line 233 "parse-gram.c"
#line 254 "parse-gram.c"
# define yystype YYSTYPE /* obsolescent; will be withdrawn */
# define YYSTYPE_IS_DECLARED 1
# define YYSTYPE_IS_TRIVIAL 1
@@ -253,7 +274,7 @@ typedef struct YYLTYPE
/* Line 214 of yacc.c. */
#line 257 "parse-gram.c"
#line 278 "parse-gram.c"
#if ! defined (yyoverflow) || YYERROR_VERBOSE
@@ -459,14 +480,14 @@ static const yysigned_char yyrhs[] =
/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
static const unsigned short int yyrline[] =
{
0, 173, 173, 181, 183, 187, 188, 189, 190, 191,
192, 193, 194, 195, 196, 201, 205, 206, 207, 208,
209, 210, 211, 212, 213, 214, 215, 216, 217, 221,
222, 223, 227, 233, 240, 247, 251, 258, 258, 263,
263, 268, 278, 293, 294, 295, 299, 300, 306, 307,
312, 316, 321, 327, 333, 344, 345, 354, 355, 361,
362, 367, 374, 374, 378, 379, 380, 385, 386, 388,
390, 392, 394, 399, 400, 404, 410, 419, 426, 428
0, 171, 171, 179, 181, 185, 186, 187, 188, 189,
190, 191, 192, 193, 194, 199, 203, 204, 205, 206,
207, 208, 209, 210, 211, 212, 213, 214, 215, 219,
220, 221, 225, 231, 238, 245, 249, 256, 256, 261,
261, 266, 276, 291, 292, 293, 297, 298, 304, 305,
310, 314, 319, 325, 331, 342, 343, 352, 353, 359,
360, 365, 372, 372, 376, 377, 378, 383, 384, 386,
388, 390, 392, 397, 398, 402, 408, 417, 424, 426
};
#endif
@@ -1084,7 +1105,7 @@ YYLTYPE yylloc;
yylsp = yyls;
/* User initialization code. */
#line 70 "parse-gram.y"
#line 68 "parse-gram.y"
{
/* Bison's grammar can initial empty locations, hence a default
location is needed. */
@@ -1093,7 +1114,7 @@ YYLTYPE yylloc;
(*yylsp).start.column = (*yylsp).end.column = 0;
}
/* Line 818 of yacc.c. */
#line 1097 "parse-gram.c"
#line 1118 "parse-gram.c"
goto yysetstate;
/*------------------------------------------------------------.
@@ -1281,47 +1302,47 @@ yyreduce:
switch (yyn)
{
case 6:
#line 188 "parse-gram.y"
#line 186 "parse-gram.y"
{ prologue_augment (yyvsp[0].chars, yylsp[0]); }
break;
case 7:
#line 189 "parse-gram.y"
#line 187 "parse-gram.y"
{ debug_flag = true; }
break;
case 8:
#line 190 "parse-gram.y"
#line 188 "parse-gram.y"
{ muscle_insert (yyvsp[-1].chars, yyvsp[0].chars); }
break;
case 9:
#line 191 "parse-gram.y"
#line 189 "parse-gram.y"
{ defines_flag = true; }
break;
case 10:
#line 192 "parse-gram.y"
#line 190 "parse-gram.y"
{ error_verbose = true; }
break;
case 11:
#line 193 "parse-gram.y"
#line 191 "parse-gram.y"
{ expected_sr_conflicts = yyvsp[0].integer; }
break;
case 12:
#line 194 "parse-gram.y"
#line 192 "parse-gram.y"
{ expected_rr_conflicts = yyvsp[0].integer; }
break;
case 13:
#line 195 "parse-gram.y"
#line 193 "parse-gram.y"
{ spec_file_prefix = yyvsp[0].chars; }
break;
case 14:
#line 197 "parse-gram.y"
#line 195 "parse-gram.y"
{
nondeterministic_parser = true;
glr_parser = true;
@@ -1329,81 +1350,81 @@ yyreduce:
break;
case 15:
#line 202 "parse-gram.y"
#line 200 "parse-gram.y"
{
muscle_code_grow ("initial_action", yyvsp[0].chars, yylsp[0]);
}
break;
case 16:
#line 205 "parse-gram.y"
#line 203 "parse-gram.y"
{ add_param ("lex_param", yyvsp[0].chars, yylsp[0]); }
break;
case 17:
#line 206 "parse-gram.y"
#line 204 "parse-gram.y"
{ locations_flag = true; }
break;
case 18:
#line 207 "parse-gram.y"
#line 205 "parse-gram.y"
{ spec_name_prefix = yyvsp[0].chars; }
break;
case 19:
#line 208 "parse-gram.y"
#line 206 "parse-gram.y"
{ no_lines_flag = true; }
break;
case 20:
#line 209 "parse-gram.y"
#line 207 "parse-gram.y"
{ nondeterministic_parser = true; }
break;
case 21:
#line 210 "parse-gram.y"
#line 208 "parse-gram.y"
{ spec_outfile = yyvsp[0].chars; }
break;
case 22:
#line 211 "parse-gram.y"
#line 209 "parse-gram.y"
{ add_param ("parse_param", yyvsp[0].chars, yylsp[0]); }
break;
case 23:
#line 212 "parse-gram.y"
#line 210 "parse-gram.y"
{ pure_parser = true; }
break;
case 24:
#line 213 "parse-gram.y"
#line 211 "parse-gram.y"
{ skeleton = yyvsp[0].chars; }
break;
case 25:
#line 214 "parse-gram.y"
#line 212 "parse-gram.y"
{ token_table_flag = true; }
break;
case 26:
#line 215 "parse-gram.y"
#line 213 "parse-gram.y"
{ report_flag = report_states; }
break;
case 27:
#line 216 "parse-gram.y"
#line 214 "parse-gram.y"
{ yacc_flag = true; }
break;
case 31:
#line 224 "parse-gram.y"
#line 222 "parse-gram.y"
{
grammar_start_symbol_set (yyvsp[0].symbol, yylsp[0]);
}
break;
case 32:
#line 228 "parse-gram.y"
#line 226 "parse-gram.y"
{
typed = true;
MUSCLE_INSERT_INT ("stype_line", yylsp[0].start.line);
@@ -1412,7 +1433,7 @@ yyreduce:
break;
case 33:
#line 234 "parse-gram.y"
#line 232 "parse-gram.y"
{
symbol_list *list;
for (list = yyvsp[0].list; list; list = list->next)
@@ -1422,7 +1443,7 @@ yyreduce:
break;
case 34:
#line 241 "parse-gram.y"
#line 239 "parse-gram.y"
{
symbol_list *list;
for (list = yyvsp[0].list; list; list = list->next)
@@ -1432,26 +1453,26 @@ yyreduce:
break;
case 35:
#line 248 "parse-gram.y"
#line 246 "parse-gram.y"
{
default_prec = true;
}
break;
case 36:
#line 252 "parse-gram.y"
#line 250 "parse-gram.y"
{
default_prec = false;
}
break;
case 37:
#line 258 "parse-gram.y"
#line 256 "parse-gram.y"
{ current_class = nterm_sym; }
break;
case 38:
#line 259 "parse-gram.y"
#line 257 "parse-gram.y"
{
current_class = unknown_sym;
current_type = NULL;
@@ -1459,12 +1480,12 @@ yyreduce:
break;
case 39:
#line 263 "parse-gram.y"
#line 261 "parse-gram.y"
{ current_class = token_sym; }
break;
case 40:
#line 264 "parse-gram.y"
#line 262 "parse-gram.y"
{
current_class = unknown_sym;
current_type = NULL;
@@ -1472,7 +1493,7 @@ yyreduce:
break;
case 41:
#line 269 "parse-gram.y"
#line 267 "parse-gram.y"
{
symbol_list *list;
for (list = yyvsp[0].list; list; list = list->next)
@@ -1482,7 +1503,7 @@ yyreduce:
break;
case 42:
#line 279 "parse-gram.y"
#line 277 "parse-gram.y"
{
symbol_list *list;
++current_prec;
@@ -1497,49 +1518,49 @@ yyreduce:
break;
case 43:
#line 293 "parse-gram.y"
#line 291 "parse-gram.y"
{ yyval.assoc = left_assoc; }
break;
case 44:
#line 294 "parse-gram.y"
#line 292 "parse-gram.y"
{ yyval.assoc = right_assoc; }
break;
case 45:
#line 295 "parse-gram.y"
#line 293 "parse-gram.y"
{ yyval.assoc = non_assoc; }
break;
case 46:
#line 299 "parse-gram.y"
#line 297 "parse-gram.y"
{ current_type = NULL; }
break;
case 47:
#line 300 "parse-gram.y"
#line 298 "parse-gram.y"
{ current_type = yyvsp[0].uniqstr; }
break;
case 48:
#line 306 "parse-gram.y"
#line 304 "parse-gram.y"
{ yyval.list = symbol_list_new (yyvsp[0].symbol, yylsp[0]); }
break;
case 49:
#line 307 "parse-gram.y"
#line 305 "parse-gram.y"
{ yyval.list = symbol_list_prepend (yyvsp[-1].list, yyvsp[0].symbol, yylsp[0]); }
break;
case 50:
#line 313 "parse-gram.y"
#line 311 "parse-gram.y"
{
current_type = yyvsp[0].uniqstr;
}
break;
case 51:
#line 317 "parse-gram.y"
#line 315 "parse-gram.y"
{
symbol_class_set (yyvsp[0].symbol, current_class, yylsp[0]);
symbol_type_set (yyvsp[0].symbol, current_type, yylsp[0]);
@@ -1547,7 +1568,7 @@ yyreduce:
break;
case 52:
#line 322 "parse-gram.y"
#line 320 "parse-gram.y"
{
symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]);
symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]);
@@ -1556,7 +1577,7 @@ yyreduce:
break;
case 53:
#line 328 "parse-gram.y"
#line 326 "parse-gram.y"
{
symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]);
symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]);
@@ -1565,7 +1586,7 @@ yyreduce:
break;
case 54:
#line 334 "parse-gram.y"
#line 332 "parse-gram.y"
{
symbol_class_set (yyvsp[-2].symbol, current_class, yylsp[-2]);
symbol_type_set (yyvsp[-2].symbol, current_type, yylsp[-2]);
@@ -1575,7 +1596,7 @@ yyreduce:
break;
case 60:
#line 363 "parse-gram.y"
#line 361 "parse-gram.y"
{
if (yacc_flag)
complain_at (yyloc, _("POSIX forbids declarations in the grammar"));
@@ -1583,74 +1604,74 @@ yyreduce:
break;
case 61:
#line 368 "parse-gram.y"
#line 366 "parse-gram.y"
{
yyerrok;
}
break;
case 62:
#line 374 "parse-gram.y"
#line 372 "parse-gram.y"
{ current_lhs = yyvsp[0].symbol; current_lhs_location = yylsp[0]; }
break;
case 64:
#line 378 "parse-gram.y"
#line 376 "parse-gram.y"
{ grammar_rule_end (yylsp[0]); }
break;
case 65:
#line 379 "parse-gram.y"
#line 377 "parse-gram.y"
{ grammar_rule_end (yylsp[0]); }
break;
case 67:
#line 385 "parse-gram.y"
#line 383 "parse-gram.y"
{ grammar_rule_begin (current_lhs, current_lhs_location); }
break;
case 68:
#line 387 "parse-gram.y"
#line 385 "parse-gram.y"
{ grammar_current_rule_symbol_append (yyvsp[0].symbol, yylsp[0]); }
break;
case 69:
#line 389 "parse-gram.y"
#line 387 "parse-gram.y"
{ grammar_current_rule_action_append (yyvsp[0].chars, yylsp[0]); }
break;
case 70:
#line 391 "parse-gram.y"
#line 389 "parse-gram.y"
{ grammar_current_rule_prec_set (yyvsp[0].symbol, yylsp[0]); }
break;
case 71:
#line 393 "parse-gram.y"
#line 391 "parse-gram.y"
{ grammar_current_rule_dprec_set (yyvsp[0].integer, yylsp[0]); }
break;
case 72:
#line 395 "parse-gram.y"
#line 393 "parse-gram.y"
{ grammar_current_rule_merge_set (yyvsp[0].uniqstr, yylsp[0]); }
break;
case 73:
#line 399 "parse-gram.y"
#line 397 "parse-gram.y"
{ yyval.symbol = yyvsp[0].symbol; }
break;
case 74:
#line 400 "parse-gram.y"
#line 398 "parse-gram.y"
{ yyval.symbol = yyvsp[0].symbol; }
break;
case 75:
#line 405 "parse-gram.y"
#line 403 "parse-gram.y"
{ yyval.chars = yyvsp[0].chars; }
break;
case 76:
#line 411 "parse-gram.y"
#line 409 "parse-gram.y"
{
yyval.symbol = symbol_get (yyvsp[0].chars, yylsp[0]);
symbol_class_set (yyval.symbol, token_sym, yylsp[0]);
@@ -1658,7 +1679,7 @@ yyreduce:
break;
case 77:
#line 420 "parse-gram.y"
#line 418 "parse-gram.y"
{
yyval.chars = yyvsp[0].chars + 1;
yyval.chars[strlen (yyval.chars) - 1] = '\0';
@@ -1666,7 +1687,7 @@ yyreduce:
break;
case 79:
#line 429 "parse-gram.y"
#line 427 "parse-gram.y"
{
muscle_code_grow ("epilogue", yyvsp[0].chars, yylsp[0]);
scanner_last_string_free ();
@@ -1677,7 +1698,7 @@ yyreduce:
}
/* Line 1010 of yacc.c. */
#line 1681 "parse-gram.c"
#line 1702 "parse-gram.c"
yyvsp -= yylen;
yyssp -= yylen;
@@ -1906,7 +1927,7 @@ yyreturn:
}
#line 435 "parse-gram.y"
#line 433 "parse-gram.y"

2
src/parse-gram.h
View File

@@ -134,7 +134,7 @@
#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
#line 80 "parse-gram.y"
#line 78 "parse-gram.y"
typedef union YYSTYPE {
symbol *symbol;
symbol_list *list;