| Index: bison/src/bison/2.4.1/bison-2.4.1-src/src/symlist.h
|
| ===================================================================
|
| --- bison/src/bison/2.4.1/bison-2.4.1-src/src/symlist.h (revision 0)
|
| +++ bison/src/bison/2.4.1/bison-2.4.1-src/src/symlist.h (revision 0)
|
| @@ -0,0 +1,118 @@
|
| +/* Lists of symbols for Bison
|
| +
|
| + Copyright (C) 2002, 2005, 2006, 2007 Free Software Foundation, Inc.
|
| +
|
| + This file is part of Bison, the GNU Compiler Compiler.
|
| +
|
| + This program 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 3 of the License, or
|
| + (at your option) any later version.
|
| +
|
| + This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
|
| +
|
| +#ifndef SYMLIST_H_
|
| +# define SYMLIST_H_
|
| +
|
| +# include "location.h"
|
| +# include "scan-code.h"
|
| +# include "symtab.h"
|
| +
|
| +/* A list of symbols, used during the parsing to store the rules. */
|
| +typedef struct symbol_list
|
| +{
|
| + /**
|
| + * Whether this node contains a symbol, a semantic type, a \c <*>, or a
|
| + * \c <>.
|
| + */
|
| + enum {
|
| + SYMLIST_SYMBOL, SYMLIST_TYPE,
|
| + SYMLIST_DEFAULT_TAGGED, SYMLIST_DEFAULT_TAGLESS
|
| + } content_type;
|
| + union {
|
| + /**
|
| + * The symbol or \c NULL iff
|
| + * <tt>symbol_list::content_type = SYMLIST_SYMBOL</tt>.
|
| + */
|
| + symbol *sym;
|
| + /**
|
| + * The semantic type iff <tt>symbol_list::content_type = SYMLIST_TYPE</tt>.
|
| + */
|
| + uniqstr type_name;
|
| + } content;
|
| + location location;
|
| +
|
| + /* If this symbol is the generated lhs for a midrule but this is the rule in
|
| + whose rhs it appears, MIDRULE = a pointer to that midrule. */
|
| + struct symbol_list *midrule;
|
| +
|
| + /* If this symbol is the generated lhs for a midrule and this is that
|
| + midrule, MIDRULE_PARENT_RULE = a pointer to the rule in whose rhs it
|
| + appears, and MIDRULE_PARENT_RHS_INDEX = its rhs index (1-origin) in the
|
| + parent rule. */
|
| + struct symbol_list *midrule_parent_rule;
|
| + int midrule_parent_rhs_index;
|
| +
|
| + /* The action is attached to the LHS of a rule, but action properties for
|
| + * each RHS are also stored here. */
|
| + code_props action_props;
|
| +
|
| + /* Precedence/associativity. */
|
| + symbol *ruleprec;
|
| + int dprec;
|
| + int merger;
|
| + location merger_declaration_location;
|
| +
|
| + /* The list. */
|
| + struct symbol_list *next;
|
| +} symbol_list;
|
| +
|
| +
|
| +/** Create a list containing \c sym at \c loc. */
|
| +symbol_list *symbol_list_sym_new (symbol *sym, location loc);
|
| +
|
| +/** Create a list containing \c type_name at \c loc. */
|
| +symbol_list *symbol_list_type_new (uniqstr type_name, location loc);
|
| +
|
| +/** Create a list containing a \c <*> at \c loc. */
|
| +symbol_list *symbol_list_default_tagged_new (location loc);
|
| +/** Create a list containing a \c <> at \c loc. */
|
| +symbol_list *symbol_list_default_tagless_new (location loc);
|
| +
|
| +/** Print this list.
|
| +
|
| + \pre For every node \c n in the list, <tt>n->content_type =
|
| + SYMLIST_SYMBOL</tt>. */
|
| +void symbol_list_syms_print (const symbol_list *l, FILE *f);
|
| +
|
| +/** Prepend \c node to \c list. */
|
| +symbol_list *symbol_list_prepend (symbol_list *list, symbol_list *node);
|
| +
|
| +/** Free \c list, but not the items it contains. */
|
| +void symbol_list_free (symbol_list *list);
|
| +
|
| +/** Return the length of \c l. */
|
| +int symbol_list_length (symbol_list const *l);
|
| +
|
| +/** Get item \c n in symbol list \c l. */
|
| +symbol_list *symbol_list_n_get (symbol_list *l, int n);
|
| +
|
| +/* Get the data type (alternative in the union) of the value for
|
| + symbol N in rule RULE. */
|
| +uniqstr symbol_list_n_type_name_get (symbol_list *l, location loc, int n);
|
| +
|
| +/** Set the \c \%destructor for \c node as \c code at \c loc. */
|
| +void symbol_list_destructor_set (symbol_list *node, char const *code,
|
| + location loc);
|
| +
|
| +/** Set the \c \%printer for \c node as \c code at \c loc. */
|
| +void symbol_list_printer_set (symbol_list *node, char const *code,
|
| + location loc);
|
| +
|
| +#endif /* !SYMLIST_H_ */
|
|
|
| Property changes on: bison\src\bison\2.4.1\bison-2.4.1-src\src\symlist.h
|
| ___________________________________________________________________
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| Added: svn:eol-style
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| + LF
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