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db8837cbe1
* src/gram.c, src/gram.h, src/lex.c, src/lex.h, src/output.c, * src/reader.c, src/reader.h, src/reduce.c, src/state.h, * src/symtab.c, src/symtab.h (bucket): Rename as... (symbol_t): this. (symbol_list_new, bucket_check_defined, bucket_make_alias) (bucket_check_alias_consistence, bucket_pack, bucket_translation) (bucket_new, bucket_free, hash_compare_bucket, hash_bucket) (buckets_new, buckets_free, buckets_do): Rename as... (symbol_list_new, symbol_check_defined, symbol_make_alias) (symbol_check_alias_consistence, symbol_pack, symbol_translation) (symbol_new, symbol_free, hash_compare_symbol_t, hash_symbol_t) (symbols_new, symbols_free, symbols_do): these.
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/* Definitions for symtab.c and callers, part of bison,
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Copyright (C) 1984, 1989, 1992, 2000, 2001, 2002
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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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#define TABSIZE 1009
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/* Associativity values for tokens and rules. */
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typedef enum
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{
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right_assoc,
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left_assoc,
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non_assoc
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} associativity;
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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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struct symbol_s
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{
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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 number;
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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 symbol_s *alias;
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symbol_class class;
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};
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typedef struct symbol_s symbol_t;
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/* A function to apply to each symbol. */
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typedef bool (*symbol_processor) PARAMS ((symbol_t *));
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symbol_t *getsym PARAMS ((const char *));
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void symbols_new PARAMS ((void));
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void symbols_do PARAMS ((symbol_processor processor, void *processor_data));
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void symbols_free PARAMS ((void));
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#endif /* !SYMTAB_H_ */
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