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3f96f4dc41
actions_obstack. * src/gram.h (rule_t): action and action_line are new members. * src/reader.c (symbol_list): Likewise. (copy_action): Save the actions within the rule. (packgram): Save them in rule_table. * src/output.c (actions_output): New. (output_parser): Use it on `%%actions'. (output_rule_data): Don't free rule_table. (output): Do it. (prepare): Don't save the `action' muscle. * src/bison.simple: s/%%action/%%actions/.
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/* Definitions for symtab.c and callers, part of bison,
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Copyright 1984, 1989, 1992, 2000, 2001 Free Software Foundation, Inc.
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This file is part of Bison, the GNU Compiler Compiler.
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Bison 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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Bison 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 Bison; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef SYMTAB_H_
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# define SYMTAB_H_
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# include "gram.h"
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#define TABSIZE 1009
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/* symbol classes */
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typedef enum
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{
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unknown_sym,
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token_sym, /* terminal symbol */
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nterm_sym /* non-terminal */
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} symbol_class;
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#define SUNDEF -1 /* For undefined user number. */
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#define SALIAS -9991 /* for symbol generated with an alias */
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typedef struct bucket
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{
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/* Needed for the hash table. */
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struct bucket *link;
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struct bucket *next;
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/* The key, name of the symbol. */
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char *tag;
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/* Its type. */
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char *type_name;
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short value;
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short prec;
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associativity assoc;
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short user_token_number;
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/* Points to the other in the identifier-symbol pair for an
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alias. Special value SALIAS in the identifier half of the
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identifier-symbol pair for an alias. */
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struct bucket *alias;
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symbol_class class;
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} bucket;
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extern bucket *firstsymbol;
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bucket *getsym PARAMS ((const char *));
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void tabinit PARAMS ((void));
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void free_symtab PARAMS ((void));
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#endif /* !SYMTAB_H_ */
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