/* Lists of symbols for Bison
- Copyright (C) 2002, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2005, 2006, 2007 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
# 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. */
{
/**
* Whether this node contains a symbol, a semantic type, a \c <*>, or a
- * \c <!>.
+ * \c <>.
*/
enum {
SYMLIST_SYMBOL, SYMLIST_TYPE,
SYMLIST_DEFAULT_TAGGED, SYMLIST_DEFAULT_TAGLESS
} content_type;
union {
- /** The symbol or \c NULL iff <tt>node_type = SYMLIST_SYMBOL</tt>. */
+ /**
+ * The symbol or \c NULL iff
+ * <tt>symbol_list::content_type = SYMLIST_SYMBOL</tt>.
+ */
symbol *sym;
- /** The semantic type iff <tt>node_type = SYMLIST_TYPE</tt>. */
+ /**
+ * The semantic type iff <tt>symbol_list::content_type = SYMLIST_TYPE</tt>.
+ */
uniqstr type_name;
} content;
location location;
struct symbol_list *midrule_parent_rule;
int midrule_parent_rhs_index;
- /* The action is attached to the LHS of a rule. */
- const char *action;
- location action_location;
-
- /* Whether this symbol's value is used in the current action. */
- bool used;
+ /* 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;
/** 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. */
+/** Create a list containing a \c <> at \c loc. */
symbol_list *symbol_list_default_tagless_new (location loc);
/** Print this list.
symbol N in rule RULE. */
uniqstr symbol_list_n_type_name_get (symbol_list *l, location loc, int n);
-/** The item \c n in symbol list \c l is \c used. */
-void symbol_list_n_used_set (symbol_list *l, int n, bool used);
-
-/** Set the \c \%destructor for \c node as \c destructor at \c loc. */
-void symbol_list_destructor_set (symbol_list *node, const char *destructor,
+/** 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 printer at \c loc. */
-void symbol_list_printer_set (symbol_list *node, const char *printer,
+/** 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_ */