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cp-tree.h (enum cp_tree_index): Add CPTI_AUTO_IDENTIFIER & CPTI_DECLTYPE_AUTO_IDENTIFIER.

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* cp-tree.h (enum cp_tree_index): Add CPTI_AUTO_IDENTIFIER &
	CPTI_DECLTYPE_AUTO_IDENTIFIER.
	(auto_identifier, decltype_auto_identifier): New.
	*decl.c (initialize_predefined_identifiers): Add 'auto' and
	'decltype(auto)'.
	(grokdeclarator): Use cached identifier.
	* pt.c (make_decltype_auto, make_auto, make_constrained_auto,
	is_auto): Likewise.

From-SVN: r243342
This commit is contained in:
Nathan Sidwell 2016-12-07 12:52:39 +00:00 committed by Nathan Sidwell
parent bbe9a71dff
commit b3235e974f
4 changed files with 24 additions and 6 deletions
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11
gcc/cp/ChangeLog
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@ -1,3 +1,14 @@
2016-12-07 Nathan Sidwell <nathan@acm.org>
* cp-tree.h (enum cp_tree_index): Add CPTI_AUTO_IDENTIFIER &
CPTI_DECLTYPE_AUTO_IDENTIFIER.
(auto_identifier, decltype_auto_identifier): New.
*decl.c (initialize_predefined_identifiers): Add 'auto' and
'decltype(auto)'.
(grokdeclarator): Use cached identifier.
* pt.c (make_decltype_auto, make_auto, make_constrained_auto,
is_auto): Likewise.
2016-12-02 Jakub Jelinek <jakub@redhat.com>
PR c++/78649

5
gcc/cp/cp-tree.h
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@ -1117,6 +1117,8 @@ enum cp_tree_index
CPTI_PFN_IDENTIFIER,
CPTI_VPTR_IDENTIFIER,
CPTI_STD_IDENTIFIER,
CPTI_AUTO_IDENTIFIER,
CPTI_DECLTYPE_AUTO_IDENTIFIER,
CPTI_LANG_NAME_C,
CPTI_LANG_NAME_CPLUSPLUS,
@ -1200,6 +1202,9 @@ extern GTY(()) tree cp_global_trees[CPTI_MAX];
#define vptr_identifier cp_global_trees[CPTI_VPTR_IDENTIFIER]
/* The name of the std namespace. */
#define std_identifier cp_global_trees[CPTI_STD_IDENTIFIER]
/* auto and declspec(auto) identifiers. */
#define auto_identifier cp_global_trees[CPTI_AUTO_IDENTIFIER]
#define decltype_auto_identifier cp_global_trees[CPTI_DECLTYPE_AUTO_IDENTIFIER]
/* The name of a C++17 deduction guide. */
#define lang_name_c cp_global_trees[CPTI_LANG_NAME_C]
#define lang_name_cplusplus cp_global_trees[CPTI_LANG_NAME_CPLUSPLUS]

4
gcc/cp/decl.c
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@ -4034,6 +4034,8 @@ initialize_predefined_identifiers (void)
{ "__vtt_parm", &vtt_parm_identifier, 0 },
{ "::", &global_scope_name, 0 },
{ "std", &std_identifier, 0 },
{ "auto", &auto_identifier, 0 },
{ "decltype(auto)", &decltype_auto_identifier, 0 },
{ NULL, NULL, 0 }
};
@ -10600,7 +10602,7 @@ grokdeclarator (const cp_declarator *declarator,
gcc_unreachable ();
}
if (TREE_CODE (type) != TEMPLATE_TYPE_PARM
|| TYPE_IDENTIFIER (type) != get_identifier ("auto"))
|| TYPE_IDENTIFIER (type) != auto_identifier)
{
if (type != error_mark_node)
{

10
gcc/cp/pt.c
View File

@ -24302,13 +24302,13 @@ make_auto_1 (tree name, bool set_canonical)
tree
make_decltype_auto (void)
{
return make_auto_1 (get_identifier ("decltype(auto)"), true);
return make_auto_1 (decltype_auto_identifier, true);
}
tree
make_auto (void)
{
return make_auto_1 (get_identifier ("auto"), true);
return make_auto_1 (auto_identifier, true);
}
/* Return a C++17 deduction placeholder for class template TMPL. */
@ -24330,7 +24330,7 @@ make_template_placeholder (tree tmpl)
tree
make_constrained_auto (tree con, tree args)
{
tree type = make_auto_1 (get_identifier ("auto"), false);
tree type = make_auto_1 (auto_identifier, false);
/* Build the constraint. */
tree tmpl = DECL_TI_TEMPLATE (con);
@ -25016,8 +25016,8 @@ bool
is_auto (const_tree type)
{
if (TREE_CODE (type) == TEMPLATE_TYPE_PARM
&& (TYPE_IDENTIFIER (type) == get_identifier ("auto")
|| TYPE_IDENTIFIER (type) == get_identifier ("decltype(auto)")
&& (TYPE_IDENTIFIER (type) == auto_identifier
|| TYPE_IDENTIFIER (type) == decltype_auto_identifier
|| CLASS_PLACEHOLDER_TEMPLATE (type)))
return true;
else