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re PR c++/15503 (nested template problem)

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PR c++/15503
	* parser.c (cp_parser_mem_initializer_id): Gracefully reject
	'typename', and accept 'template'.

	PR c++/15503
	* g++.dg/template/meminit2.C: New test.

From-SVN: r82660
This commit is contained in:
Giovanni Bajo 2004-06-06 02:08:18 +00:00
parent ad94c84603
commit 8a83a69363
4 changed files with 43 additions and 1 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2004-06-06 Giovanni Bajo <giovannibajo@gcc.gnu.org>
PR c++/15503
* parser.c (cp_parser_mem_initializer_id): Gracefully reject
'typename', and accept 'template'.
2004-06-03 Andrew Pinski <pinskia@physics.uc.edu>
Jan Hubicka <jh@suse.cz>

12
gcc/cp/parser.c
View File

@ -7383,8 +7383,16 @@ cp_parser_mem_initializer_id (cp_parser* parser)
{
bool global_scope_p;
bool nested_name_specifier_p;
bool template_p = false;
tree id;
/* `typename' is not allowed in this context ([temp.res]). */
if (cp_lexer_next_token_is_keyword (parser->lexer, RID_TYPENAME))
{
error ("keyword `typename' not allowed in this context (a qualified "
"member initializer is implicitly a type)");
cp_lexer_consume_token (parser->lexer);
}
/* Look for the optional `::' operator. */
global_scope_p
= (cp_parser_global_scope_opt (parser,
@ -7409,12 +7417,14 @@ cp_parser_mem_initializer_id (cp_parser* parser)
/*type_p=*/true,
/*is_declaration=*/true)
!= NULL_TREE);
if (nested_name_specifier_p)
template_p = cp_parser_optional_template_keyword (parser);
/* If there is a `::' operator or a nested-name-specifier, then we
are definitely looking for a class-name. */
if (global_scope_p || nested_name_specifier_p)
return cp_parser_class_name (parser,
/*typename_keyword_p=*/true,
/*template_keyword_p=*/false,
/*template_keyword_p=*/template_p,
/*type_p=*/false,
/*check_dependency_p=*/true,
/*class_head_p=*/false,

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2004-06-06 Giovanni Bajo <giovannibajo@gcc.gnu.org>
PR c++/15503
* g++.dg/template/meminit2.C: New test.
2004-06-04 Paolo Bonzini <bonzini@gnu.org>
PR target/15822

21
gcc/testsuite/g++.dg/template/meminit2.C Normal file
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@ -0,0 +1,21 @@
// { dg-do compile }
// Origin: Mark Anders <mark dot a dot anders at intel dot com>
// PR c++/15503: disambiguators in base classes and mem-initializers
template <typename K1> struct O {
template <typename K2> struct I {};
};
template <typename T>
struct A : typename O<T>::template I<int> { // { dg-error "keyword `typename' not allowed" }
A() : typename O<T>::template I<int>() // { dg-error "keyword `typename' not allowed" }
{};
};
template <typename T>
struct B : O<T>::template I<int> {
B() : O<T>::I<int>() // { dg-error "used as template|it is a template" "" }
{};
};
// { dg-bogus "end of input" "bogus token skipping in the parser" { xfail *-*-* } 17 }