X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/f16b08196c780556cbf50691e2944960aebc46f6..6130b75585cad5f4bb2ee78875a0bfe109b2a3e3:/src/symtab.h diff --git a/src/symtab.h b/src/symtab.h index 5dc65002..0e521626 100644 --- a/src/symtab.h +++ b/src/symtab.h @@ -1,6 +1,6 @@ /* Definitions for symtab.c and callers, part of Bison. - Copyright (C) 1984, 1989, 1992, 2000, 2001, 2002, 2004, 2005, 2006, 2007 + Copyright (C) 1984, 1989, 1992, 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -105,9 +105,6 @@ struct symbol /* Undefined internal token number. */ #define NUMBER_UNDEFINED (-1) -/** Print a symbol (for debugging). */ -void symbol_print (symbol *s, FILE *f); - /** Fetch (or create) the symbol associated to KEY. */ symbol *symbol_from_uniqstr (const uniqstr key, location loc); @@ -119,9 +116,23 @@ symbol *symbol_get (const char *key, location loc); Its name cannot conflict with the user's names. */ symbol *dummy_symbol_get (location loc); + +/*--------------------. +| Methods on symbol. | +`--------------------*/ + +/** Print a symbol (for debugging). */ +void symbol_print (symbol *s, FILE *f); + /** Is this a dummy nonterminal? */ bool symbol_is_dummy (const symbol *sym); +/** Return the name of the symbol that can be used as an identifier. + ** Consider the alias if needed. + ** Return 0 if there is none (e.g., the symbol is only defined as + ** a string). */ +uniqstr symbol_id_get (symbol const *sym); + /** Declare the new symbol \c sym. Make it an alias of \c symval. */ void symbol_make_alias (symbol *sym, symbol *symval, location loc); @@ -130,6 +141,9 @@ void symbol_make_alias (symbol *sym, symbol *symval, location loc); Do nothing if passed 0 as \c type_name. */ void symbol_type_set (symbol *sym, uniqstr type_name, location loc); +/** Get the \c class string associated with \c sym. */ +const char *symbol_class_get_string (symbol *sym); + /** Set the \c destructor associated with \c sym. */ void symbol_destructor_set (symbol *sym, code_props const *destructor); @@ -158,6 +172,11 @@ void symbol_class_set (symbol *sym, symbol_class class, location loc, void symbol_user_token_number_set (symbol *sym, int user_number, location loc); + +/*------------------. +| Special symbols. | +`------------------*/ + /** The error token. */ extern symbol *errtoken; /** The token for unknown tokens. */