X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/12e3584054c16ab255672c07af0ffc7bb220e8bc..be3517b007a833ffec1735691f256f6a37e4a67f:/src/symlist.c?ds=sidebyside
diff --git a/src/symlist.c b/src/symlist.c
index 245196b2..69ac8a1b 100644
--- a/src/symlist.c
+++ b/src/symlist.c
@@ -1,23 +1,22 @@
/* Lists of symbols for Bison
- Copyright (C) 2002, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2005-2007, 2009-2012 Free Software Foundation,
+ Inc.
This file is part of Bison, the GNU Compiler Compiler.
- Bison is free software; you can redistribute it and/or modify
+ 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 2, or (at your option)
- any later version.
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
- Bison is distributed in the hope that it will be useful,
+ 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 Bison; see the file COPYING. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see . */
#include
#include "system.h"
@@ -37,19 +36,20 @@ symbol_list_sym_new (symbol *sym, location loc)
res->content_type = SYMLIST_SYMBOL;
res->content.sym = sym;
- res->location = loc;
+ res->location = res->sym_loc = loc;
res->midrule = NULL;
res->midrule_parent_rule = NULL;
res->midrule_parent_rhs_index = 0;
- res->action = NULL;
- res->used = false;
+ code_props_none_init (&res->action_props);
res->ruleprec = NULL;
res->dprec = 0;
res->merger = 0;
+ res->named_ref = NULL;
+
res->next = NULL;
return res;
@@ -67,7 +67,8 @@ symbol_list_type_new (uniqstr type_name, location loc)
res->content_type = SYMLIST_TYPE;
res->content.type_name = type_name;
- res->location = loc;
+ res->location = res->sym_loc = loc;
+ res->named_ref = NULL;
res->next = NULL;
return res;
@@ -84,16 +85,17 @@ symbol_list_default_tagged_new (location loc)
symbol_list *res = xmalloc (sizeof *res);
res->content_type = SYMLIST_DEFAULT_TAGGED;
- res->location = loc;
+ res->location = res->sym_loc = loc;
+ res->named_ref = NULL;
res->next = NULL;
return res;
}
-/*----------------------------------------.
-| Create a list containing a at LOC. |
-`----------------------------------------*/
+/*---------------------------------------.
+| Create a list containing a <> at LOC. |
+`---------------------------------------*/
symbol_list *
symbol_list_default_tagless_new (location loc)
@@ -101,7 +103,8 @@ symbol_list_default_tagless_new (location loc)
symbol_list *res = xmalloc (sizeof *res);
res->content_type = SYMLIST_DEFAULT_TAGLESS;
- res->location = loc;
+ res->location = res->sym_loc = loc;
+ res->named_ref = NULL;
res->next = NULL;
return res;
@@ -118,7 +121,7 @@ symbol_list_syms_print (const symbol_list *l, FILE *f)
for (/* Nothing. */; l && l->content.sym; l = l->next)
{
symbol_print (l->content.sym, f);
- fprintf (stderr, l->used ? " used" : " unused");
+ fprintf (stderr, l->action_props.is_value_used ? " used" : " unused");
if (l && l->content.sym)
fprintf (f, ", ");
}
@@ -144,7 +147,13 @@ symbol_list_prepend (symbol_list *list, symbol_list *node)
void
symbol_list_free (symbol_list *list)
{
- LIST_FREE (symbol_list, list);
+ symbol_list *node, *next;
+ for (node = list; node; node = next)
+ {
+ next = node->next;
+ named_ref_free (node->named_ref);
+ free (node);
+ }
}
@@ -206,58 +215,51 @@ symbol_list_n_type_name_get (symbol_list *l, location loc, int n)
return l->content.sym->type_name;
}
-
-/*--------------------------------------.
-| The item N in symbol list L is USED. |
-`--------------------------------------*/
-
-void
-symbol_list_n_used_set (symbol_list *l, int n, bool used)
+bool
+symbol_list_null (symbol_list *node)
{
- l = symbol_list_n_get (l, n);
- if (l)
- l->used = used;
+ return !node ||
+ (node->content_type == SYMLIST_SYMBOL && !(node->content.sym));
}
void
-symbol_list_destructor_set (symbol_list *node, const char *destructor,
- location loc)
+symbol_list_destructor_set (symbol_list *node, code_props const *destructor)
{
switch (node->content_type)
{
case SYMLIST_SYMBOL:
- symbol_destructor_set (node->content.sym, destructor, loc);
+ symbol_destructor_set (node->content.sym, destructor);
break;
case SYMLIST_TYPE:
semantic_type_destructor_set (
- semantic_type_get (node->content.type_name), destructor, loc);
+ semantic_type_get (node->content.type_name), destructor);
break;
case SYMLIST_DEFAULT_TAGGED:
- default_tagged_destructor_set (destructor, loc);
+ default_tagged_destructor_set (destructor);
break;
case SYMLIST_DEFAULT_TAGLESS:
- default_tagless_destructor_set (destructor, loc);
+ default_tagless_destructor_set (destructor);
break;
}
}
void
-symbol_list_printer_set (symbol_list *node, const char *printer, location loc)
+symbol_list_printer_set (symbol_list *node, code_props const *printer)
{
switch (node->content_type)
{
case SYMLIST_SYMBOL:
- symbol_printer_set (node->content.sym, printer, loc);
+ symbol_printer_set (node->content.sym, printer);
break;
case SYMLIST_TYPE:
semantic_type_printer_set (
- semantic_type_get (node->content.type_name), printer, loc);
+ semantic_type_get (node->content.type_name), printer);
break;
case SYMLIST_DEFAULT_TAGGED:
- default_tagged_printer_set (printer, loc);
+ default_tagged_printer_set (printer);
break;
case SYMLIST_DEFAULT_TAGLESS:
- default_tagless_printer_set (printer, loc);
+ default_tagless_printer_set (printer);
break;
}
}