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12e3584054
Discussed starting at <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00060.html>. * NEWS (2.3a+): Mention. * doc/bison.texinfo (Freeing Discarded Symbols): Document this and the previous change today related to mid-rules. (Bison Symbols): Remove %symbol-default and add <*> and <!>. * src/parser-gram.y (PERCENT_SYMBOL_DEFAULT): Remove. (TYPE_TAG_ANY): Add as <*>. (TYPE_TAG_NONE): Add as <!>. (generic_symlist_item): Remove RHS for %symbol-default and add RHS's for <*> and <!>. * src/scan-gram.l (PERCENT_SYMBOL_DEFAULT): Remove. (TYPE_TAG_ANY, TYPE_TAG_NONE): Add. * src/symlist.c (symbol_list_default_new): Split into tagged and tagless versions. (symbol_list_destructor_set, symbol_list_printer_set): Split SYMLIST_DEFAULT case into SYMLIST_DEFAULT_TAGGED and SYMLIST_DEFAULT_TAGLESS. * src/symlist.h: Update symbol_list_default*_new prototypes. (symbol_list.content_type): Split enum value SYMLIST_DEFAULT into SYMLIST_DEFAULT_TAGGED and SYMLIST_DEFAULT_TAGLESS. * src/symtab.c (default_destructor, default_destructor_location, default_printer, default_printer_location): Split each into tagged and tagless versions. (symbol_destructor_get, symbol_destructor_location_get, symbol_printer_get, symbol_printer_location_get): Implement tagged default and tagless default cases. (default_destructor_set, default_printer_set): Split each into tagged and tagless versions. * src/symtab.h: Update prototypes. * tests/actions.at (Default %printer and %destructor): Rename to... (Default tagless %printer and %destructor): ... this, and extend. (Per-type %printer and %destructor): Rename to... (Default tagged and per-type %printer and %destructor): ... this, and extend. (Default %printer and %destructor for user-defined end token): Extend. (Default %printer and %destructor are not for error or $undefined): Update. (Default %printer and %destructor are not for $accept): Update. (Default %printer and %destructor for mid-rule values): Extend. * tests/input.at (Default %printer and %destructor redeclared): Extend. (Unused values with default %destructor): Extend.
206 lines
5.6 KiB
C
206 lines
5.6 KiB
C
/* A Bison parser, made by GNU Bison 2.3a+. */
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/* Skeleton interface for Bison's Yacc-like parsers in C
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Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
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Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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/* As a special exception, you may create a larger work that contains
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part or all of the Bison parser skeleton and distribute that work
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under terms of your choice, so long as that work isn't itself a
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parser generator using the skeleton or a modified version thereof
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as a parser skeleton. Alternatively, if you modify or redistribute
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the parser skeleton itself, you may (at your option) remove this
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special exception, which will cause the skeleton and the resulting
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Bison output files to be licensed under the GNU General Public
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License without this special exception.
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This special exception was added by the Free Software Foundation in
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version 2.2 of Bison. */
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/* Tokens. */
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#ifndef YYTOKENTYPE
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# define YYTOKENTYPE
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/* Put the tokens into the symbol table, so that GDB and other debuggers
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know about them. */
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enum yytokentype {
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GRAM_EOF = 0,
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STRING = 258,
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INT = 259,
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PERCENT_TOKEN = 260,
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PERCENT_NTERM = 261,
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PERCENT_TYPE = 262,
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PERCENT_DESTRUCTOR = 263,
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PERCENT_PRINTER = 264,
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PERCENT_LEFT = 265,
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PERCENT_RIGHT = 266,
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PERCENT_NONASSOC = 267,
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PERCENT_PREC = 268,
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PERCENT_DPREC = 269,
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PERCENT_MERGE = 270,
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PERCENT_CODE = 271,
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PERCENT_CODE_TOP = 272,
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PERCENT_DEBUG = 273,
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PERCENT_DEFAULT_PREC = 274,
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PERCENT_DEFINE = 275,
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PERCENT_DEFINES = 276,
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PERCENT_ERROR_VERBOSE = 277,
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PERCENT_EXPECT = 278,
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PERCENT_EXPECT_RR = 279,
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PERCENT_FILE_PREFIX = 280,
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PERCENT_GLR_PARSER = 281,
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PERCENT_INITIAL_ACTION = 282,
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PERCENT_LEX_PARAM = 283,
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PERCENT_LOCATIONS = 284,
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PERCENT_NAME_PREFIX = 285,
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PERCENT_NO_DEFAULT_PREC = 286,
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PERCENT_NO_LINES = 287,
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PERCENT_NONDETERMINISTIC_PARSER = 288,
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PERCENT_OUTPUT = 289,
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PERCENT_PARSE_PARAM = 290,
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PERCENT_PROVIDES = 291,
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PERCENT_PURE_PARSER = 292,
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PERCENT_PUSH_PARSER = 293,
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PERCENT_REQUIRE = 294,
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PERCENT_REQUIRES = 295,
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PERCENT_SKELETON = 296,
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PERCENT_START = 297,
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PERCENT_TOKEN_TABLE = 298,
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PERCENT_VERBOSE = 299,
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PERCENT_YACC = 300,
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BRACED_CODE = 301,
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CHAR = 302,
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EPILOGUE = 303,
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EQUAL = 304,
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ID = 305,
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ID_COLON = 306,
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PERCENT_PERCENT = 307,
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PIPE = 308,
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PROLOGUE = 309,
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SEMICOLON = 310,
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TYPE = 311,
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TYPE_TAG_ANY = 312,
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TYPE_TAG_NONE = 313,
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PERCENT_UNION = 314
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};
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#endif
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/* Tokens. */
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#define GRAM_EOF 0
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#define STRING 258
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#define INT 259
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#define PERCENT_TOKEN 260
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#define PERCENT_NTERM 261
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#define PERCENT_TYPE 262
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#define PERCENT_DESTRUCTOR 263
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#define PERCENT_PRINTER 264
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#define PERCENT_LEFT 265
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#define PERCENT_RIGHT 266
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#define PERCENT_NONASSOC 267
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#define PERCENT_PREC 268
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#define PERCENT_DPREC 269
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#define PERCENT_MERGE 270
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#define PERCENT_CODE 271
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#define PERCENT_CODE_TOP 272
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#define PERCENT_DEBUG 273
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#define PERCENT_DEFAULT_PREC 274
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#define PERCENT_DEFINE 275
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#define PERCENT_DEFINES 276
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#define PERCENT_ERROR_VERBOSE 277
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#define PERCENT_EXPECT 278
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#define PERCENT_EXPECT_RR 279
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#define PERCENT_FILE_PREFIX 280
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#define PERCENT_GLR_PARSER 281
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#define PERCENT_INITIAL_ACTION 282
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#define PERCENT_LEX_PARAM 283
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#define PERCENT_LOCATIONS 284
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#define PERCENT_NAME_PREFIX 285
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#define PERCENT_NO_DEFAULT_PREC 286
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#define PERCENT_NO_LINES 287
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#define PERCENT_NONDETERMINISTIC_PARSER 288
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#define PERCENT_OUTPUT 289
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#define PERCENT_PARSE_PARAM 290
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#define PERCENT_PROVIDES 291
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#define PERCENT_PURE_PARSER 292
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#define PERCENT_PUSH_PARSER 293
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#define PERCENT_REQUIRE 294
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#define PERCENT_REQUIRES 295
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#define PERCENT_SKELETON 296
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#define PERCENT_START 297
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#define PERCENT_TOKEN_TABLE 298
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#define PERCENT_VERBOSE 299
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#define PERCENT_YACC 300
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#define BRACED_CODE 301
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#define CHAR 302
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#define EPILOGUE 303
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#define EQUAL 304
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#define ID 305
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#define ID_COLON 306
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#define PERCENT_PERCENT 307
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#define PIPE 308
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#define PROLOGUE 309
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#define SEMICOLON 310
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#define TYPE 311
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#define TYPE_TAG_ANY 312
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#define TYPE_TAG_NONE 313
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#define PERCENT_UNION 314
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#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
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typedef union YYSTYPE
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{
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/* Line 1535 of yacc.c */
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#line 98 "parse-gram.y"
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symbol *symbol;
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symbol_list *list;
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int integer;
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char *chars;
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assoc assoc;
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uniqstr uniqstr;
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unsigned char character;
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}
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/* Line 1535 of yacc.c */
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#line 183 "parse-gram.h"
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YYSTYPE;
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# define YYSTYPE_IS_TRIVIAL 1
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# define yystype YYSTYPE /* obsolescent; will be withdrawn */
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# define YYSTYPE_IS_DECLARED 1
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#endif
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#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
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typedef struct YYLTYPE
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{
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int first_line;
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int first_column;
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int last_line;
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int last_column;
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} YYLTYPE;
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# define yyltype YYLTYPE /* obsolescent; will be withdrawn */
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# define YYLTYPE_IS_DECLARED 1
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# define YYLTYPE_IS_TRIVIAL 1
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#endif
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