Remove directive-searched cleanups

This removes a few cleanups related to the "searched" field in
struct using_direct, replacing these with scoped_restore.

gdb/ChangeLog
2017-11-04  Tom Tromey  <tom@tromey.com>

	* cp-namespace.c (reset_directive_searched): Remove.
	(cp_lookup_symbol_via_imports): Use scoped_restore.
	* cp-support.c (reset_directive_searched): Remove.
	(make_symbol_overload_list_using): Use scoped_restore.
	* d-namespace.c (d_lookup_symbol_imports): Use scoped_restore.
	(reset_directive_searched): Remove.
This commit is contained in:
Tom Tromey 2017-11-01 08:32:13 -06:00
parent 5eae7aeaf7
commit 167b0be1b5
4 changed files with 17 additions and 62 deletions

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@ -1,3 +1,12 @@
2017-11-04 Tom Tromey <tom@tromey.com>
* cp-namespace.c (reset_directive_searched): Remove.
(cp_lookup_symbol_via_imports): Use scoped_restore.
* cp-support.c (reset_directive_searched): Remove.
(make_symbol_overload_list_using): Use scoped_restore.
* d-namespace.c (d_lookup_symbol_imports): Use scoped_restore.
(reset_directive_searched): Remove.
2017-11-04 Tom Tromey <tom@tromey.com>
* symfile.c (find_separate_debug_file_by_debuglink): Use

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@ -338,15 +338,6 @@ cp_lookup_symbol_in_namespace (const char *the_namespace, const char *name,
return sym;
}
/* Used for cleanups to reset the "searched" flag in case of an error. */
static void
reset_directive_searched (void *data)
{
struct using_direct *direct = (struct using_direct *) data;
direct->searched = 0;
}
/* Search for NAME by applying all import statements belonging to
BLOCK which are applicable in SCOPE. If DECLARATION_ONLY the
search is restricted to using declarations.
@ -388,7 +379,6 @@ cp_lookup_symbol_via_imports (const char *scope,
struct block_symbol sym;
int len;
int directive_match;
struct cleanup *searched_cleanup;
sym.symbol = NULL;
sym.block = NULL;
@ -425,9 +415,8 @@ cp_lookup_symbol_via_imports (const char *scope,
{
/* Mark this import as searched so that the recursive call
does not search it again. */
current->searched = 1;
searched_cleanup = make_cleanup (reset_directive_searched,
current);
scoped_restore reset_directive_searched
= make_scoped_restore (&current->searched, 1);
/* If there is an import of a single declaration, compare the
imported declaration (after optional renaming by its alias)
@ -446,9 +435,6 @@ cp_lookup_symbol_via_imports (const char *scope,
search of this import is complete. */
if (declaration_only || sym.symbol != NULL || current->declaration)
{
current->searched = 0;
discard_cleanups (searched_cleanup);
if (sym.symbol != NULL)
return sym;
@ -460,10 +446,7 @@ cp_lookup_symbol_via_imports (const char *scope,
if (strcmp (name, *excludep) == 0)
break;
if (*excludep)
{
discard_cleanups (searched_cleanup);
continue;
}
continue;
if (current->alias != NULL
&& strcmp (name, current->alias) == 0)
@ -484,8 +467,6 @@ cp_lookup_symbol_via_imports (const char *scope,
name, block,
domain, 1, 0, 0);
}
current->searched = 0;
discard_cleanups (searched_cleanup);
if (sym.symbol != NULL)
return sym;

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@ -1286,16 +1286,6 @@ make_symbol_overload_list_adl (struct type **arg_types, int nargs,
return sym_return_val;
}
/* Used for cleanups to reset the "searched" flag in case of an
error. */
static void
reset_directive_searched (void *data)
{
struct using_direct *direct = (struct using_direct *) data;
direct->searched = 0;
}
/* This applies the using directives to add namespaces to search in,
and then searches for overloads in all of those namespaces. It
adds the symbols found to sym_return_val. Arguments are as in
@ -1332,16 +1322,11 @@ make_symbol_overload_list_using (const char *func_name,
{
/* Mark this import as searched so that the recursive call
does not search it again. */
struct cleanup *old_chain;
current->searched = 1;
old_chain = make_cleanup (reset_directive_searched,
current);
scoped_restore reset_directive_searched
= make_scoped_restore (&current->searched, 1);
make_symbol_overload_list_using (func_name,
current->import_src);
current->searched = 0;
discard_cleanups (old_chain);
}
}

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@ -356,16 +356,6 @@ d_lookup_nested_symbol (struct type *parent_type,
}
}
/* Used for cleanups to reset the "searched" flag incase
of an error. */
static void
reset_directive_searched (void *data)
{
struct using_direct *direct = (struct using_direct *) data;
direct->searched = 0;
}
/* Search for NAME by applying all import statements belonging to
BLOCK which are applicable in SCOPE. */
@ -376,7 +366,6 @@ d_lookup_symbol_imports (const char *scope, const char *name,
{
struct using_direct *current;
struct block_symbol sym;
struct cleanup *searched_cleanup;
/* First, try to find the symbol in the given module. */
sym = d_lookup_symbol_in_module (scope, name, block, domain, 1);
@ -399,9 +388,8 @@ d_lookup_symbol_imports (const char *scope, const char *name,
{
/* Mark this import as searched so that the recursive call
does not search it again. */
current->searched = 1;
searched_cleanup = make_cleanup (reset_directive_searched,
current);
scoped_restore restore_searched
= make_scoped_restore (&current->searched, 1);
/* If there is an import of a single declaration, compare the
imported declaration (after optional renaming by its alias)
@ -419,9 +407,6 @@ d_lookup_symbol_imports (const char *scope, const char *name,
declaration, the search of this import is complete. */
if (sym.symbol != NULL || current->declaration)
{
current->searched = 0;
discard_cleanups (searched_cleanup);
if (sym.symbol != NULL)
return sym;
@ -433,10 +418,7 @@ d_lookup_symbol_imports (const char *scope, const char *name,
if (strcmp (name, *excludep) == 0)
break;
if (*excludep)
{
discard_cleanups (searched_cleanup);
continue;
}
continue;
/* If the import statement is creating an alias. */
if (current->alias != NULL)
@ -476,8 +458,6 @@ d_lookup_symbol_imports (const char *scope, const char *name,
sym = d_lookup_symbol_in_module (current->import_src,
name, block, domain, 1);
}
current->searched = 0;
discard_cleanups (searched_cleanup);
if (sym.symbol != NULL)
return sym;