X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/4a120d45e6a181ced2f24f2f6d23e2faa9fbd778..490abf53b1391c2bc49564bff71ac400880323ad:/src/symtab.h diff --git a/src/symtab.h b/src/symtab.h index e3000919..909b24f5 100644 --- a/src/symtab.h +++ b/src/symtab.h @@ -1,59 +1,68 @@ /* Definitions for symtab.c and callers, part of bison, - Copyright (C) 1984, 1989, 1992 Free Software Foundation, Inc. + Copyright 1984, 1989, 1992, 2000 Free Software Foundation, Inc. -This file is part of Bison, the GNU Compiler Compiler. + This file is part of Bison, the GNU Compiler Compiler. -Bison 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, or (at your option) -any later version. + Bison 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, or (at your option) + any later version. -Bison 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. + Bison 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 Bison; see the file COPYING. If not, write to -the Free Software Foundation, Inc., 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU General Public License + along with Bison; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif +#ifndef SYMTAB_H_ +# define SYMTAB_H_ +# include "gram.h" #define TABSIZE 1009 - /* symbol classes */ -#define SUNKNOWN 0 -#define STOKEN 1 /* terminal symbol */ -#define SNTERM 2 /* non-terminal */ - -#define SALIAS -9991 /* for symbol generated with an alias */ - -typedef - struct bucket - { - struct bucket *link; - struct bucket *next; - char *tag; - char *type_name; - short value; - short prec; - short assoc; - short user_token_number; - /* special value SALIAS in the identifier - half of the identifier-symbol pair for an alias */ - struct bucket *alias; - /* points to the other in the identifier-symbol - pair for an alias */ - char class; - } - bucket; +typedef enum +{ + unknown_sym, + token_sym, /* terminal symbol */ + nterm_sym /* non-terminal */ +} symbol_class; + +#define SALIAS -9991 /* for symbol generated with an alias */ + +typedef struct bucket +{ + /* Needed for the hash table. */ + struct bucket *link; + struct bucket *next; + + /* The key, name of the symbol. */ + char *tag; + /* Its type. */ + char *type_name; + short value; + short prec; + associativity assoc; + short user_token_number; + /* Points to the other in the identifier-symbol pair for an + alias. Special value SALIAS in the identifier half of the + identifier-symbol pair for an alias. */ + struct bucket *alias; + symbol_class class; +} +bucket; extern bucket *firstsymbol; -extern bucket *getsym PARAMS((const char *)); +bucket *getsym PARAMS ((const char *)); + +void tabinit PARAMS ((void)); +void free_symtab PARAMS ((void)); + +#endif /* !SYMTAB_H_ */