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pt.c (local_specializations): Change from htab_t into struct pointer_map_t *.

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* pt.c (local_specializations): Change from htab_t into
	struct pointer_map_t *.
	(retrieve_local_specializations, register_local_specialization,
	tsubst_pack_expansion, instantiate_decl): Adjust users.
	(eq_local_specializations, hash_local_specialization): Remove.

From-SVN: r184959
This commit is contained in:
Jakub Jelinek 2012-03-05 21:18:56 +01:00 committed by Jakub Jelinek
parent 1e3c1d950e
commit 704b8582e9
2 changed files with 21 additions and 40 deletions
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8
gcc/cp/ChangeLog
View File

@ -1,3 +1,11 @@
2012-03-05 Jakub Jelinek <jakub@redhat.com>
* pt.c (local_specializations): Change from htab_t into
struct pointer_map_t *.
(retrieve_local_specializations, register_local_specialization,
tsubst_pack_expansion, instantiate_decl): Adjust users.
(eq_local_specializations, hash_local_specialization): Remove.
2012-03-05 Jason Merrill <jason@redhat.com>
PR c++/51930

53
gcc/cp/pt.c
View File

@ -79,7 +79,7 @@ static tree cur_stmt_expr;
/* A map from local variable declarations in the body of the template
presently being instantiated to the corresponding instantiated
local variables. */
static htab_t local_specializations;
static struct pointer_map_t *local_specializations;
typedef struct GTY(()) spec_entry
{
@ -189,7 +189,6 @@ static tree for_each_template_parm_r (tree *, int *, void *);
static tree copy_default_args_to_explicit_spec_1 (tree, tree);
static void copy_default_args_to_explicit_spec (tree);
static int invalid_nontype_parm_type_p (tree, tsubst_flags_t);
static int eq_local_specializations (const void *, const void *);
static bool dependent_template_arg_p (tree);
static bool any_template_arguments_need_structural_equality_p (tree);
static bool dependent_type_p_r (tree);
@ -1078,14 +1077,13 @@ retrieve_specialization (tree tmpl, tree args, hashval_t hash)
static tree
retrieve_local_specialization (tree tmpl)
{
tree spec;
void **slot;
if (local_specializations == NULL)
return NULL_TREE;
spec = (tree) htab_find_with_hash (local_specializations, tmpl,
htab_hash_pointer (tmpl));
return spec ? TREE_PURPOSE (spec) : NULL_TREE;
slot = pointer_map_contains (local_specializations, tmpl);
return slot ? (tree) *slot : NULL_TREE;
}
/* Returns nonzero iff DECL is a specialization of TMPL. */
@ -1677,24 +1675,6 @@ reregister_specialization (tree spec, tree tinfo, tree new_spec)
return 0;
}
/* Compare an entry in the local specializations hash table P1 (which
is really a pointer to a TREE_LIST) with P2 (which is really a
DECL). */
static int
eq_local_specializations (const void *p1, const void *p2)
{
return TREE_VALUE ((const_tree) p1) == (const_tree) p2;
}
/* Hash P1, an entry in the local specializations table. */
static hashval_t
hash_local_specialization (const void* p1)
{
return htab_hash_pointer (TREE_VALUE ((const_tree) p1));
}
/* Like register_specialization, but for local declarations. We are
registering SPEC, an instantiation of TMPL. */
@ -1703,9 +1683,8 @@ register_local_specialization (tree spec, tree tmpl)
{
void **slot;
slot = htab_find_slot_with_hash (local_specializations, tmpl,
htab_hash_pointer (tmpl), INSERT);
*slot = build_tree_list (spec, tmpl);
slot = pointer_map_insert (local_specializations, tmpl);
*slot = spec;
}
/* TYPE is a class type. Returns true if TYPE is an explicitly
@ -9307,7 +9286,7 @@ tsubst_pack_expansion (tree t, tree args, tsubst_flags_t complain,
int missing_level = 0;
int i, len = -1;
tree result;
htab_t saved_local_specializations = NULL;
struct pointer_map_t *saved_local_specializations = NULL;
bool need_local_specializations = false;
int levels;
@ -9492,14 +9471,11 @@ tsubst_pack_expansion (tree t, tree args, tsubst_flags_t complain,
if (need_local_specializations)
{
/* We're in a late-specified return type, so create our own local
specializations table; the current table is either NULL or (in the
specializations map; the current map is either NULL or (in the
case of recursive unification) might have bindings that we don't
want to use or alter. */
saved_local_specializations = local_specializations;
local_specializations = htab_create (37,
hash_local_specialization,
eq_local_specializations,
NULL);
local_specializations = pointer_map_create ();
}
/* For each argument in each argument pack, substitute into the
@ -9586,7 +9562,7 @@ tsubst_pack_expansion (tree t, tree args, tsubst_flags_t complain,
if (need_local_specializations)
{
htab_delete (local_specializations);
pointer_map_destroy (local_specializations);
local_specializations = saved_local_specializations;
}
@ -18704,7 +18680,7 @@ instantiate_decl (tree d, int defer_ok,
synthesize_method (d);
else if (TREE_CODE (d) == FUNCTION_DECL)
{
htab_t saved_local_specializations;
struct pointer_map_t *saved_local_specializations;
tree subst_decl;
tree tmpl_parm;
tree spec_parm;
@ -18714,10 +18690,7 @@ instantiate_decl (tree d, int defer_ok,
saved_local_specializations = local_specializations;
/* Set up the list of local specializations. */
local_specializations = htab_create (37,
hash_local_specialization,
eq_local_specializations,
NULL);
local_specializations = pointer_map_create ();
/* Set up context. */
start_preparsed_function (d, NULL_TREE, SF_PRE_PARSED);
@ -18759,7 +18732,7 @@ instantiate_decl (tree d, int defer_ok,
input_location = DECL_STRUCT_FUNCTION (code_pattern)->function_end_locus;
/* We don't need the local specializations any more. */
htab_delete (local_specializations);
pointer_map_destroy (local_specializations);
local_specializations = saved_local_specializations;
/* Finish the function. */