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cp-tree.h (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION): New macro.

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* cp-tree.h (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION): New macro.
	* decl2.c (import_export_decl): Likewise.
	* pt.c (instantiate_decl): Use it.

From-SVN: r22160
This commit is contained in:
Mark Mitchell 1998-09-01 13:08:44 +00:00 • committed by Mark Mitchell
parent 2c2b32dc36
commit 61289ca3b2
5 changed files with 49 additions and 4 deletions
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6
gcc/cp/ChangeLog
View file

@ -1,3 +1,9 @@
1998-09-01 Mark Mitchell <mark@markmitchell.com>
* cp-tree.h (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION): New macro.
* decl2.c (import_export_decl): Likewise.
* pt.c (instantiate_decl): Use it.
1998-09-01 Jason Merrill <jason@yorick.cygnus.com>
* decl.c (lookup_name_real): Also do implicit typename thing for

10
gcc/cp/cp-tree.h
View file

@ -1724,6 +1724,16 @@ extern int flag_new_for_scope;
#define SET_CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
(CLASSTYPE_USE_TEMPLATE(NODE) = 3)
/* Non-zero if DECL is a friend function which is an instantiation
from the point of view of the compiler, but not from the point of
view of the language. For example given:
template <class T> struct S { friend void f(T) {}; };
the declaration of `void f(int)' generated when S<int> is
instantiated will not be a DECL_TEMPLATE_INSTANTIATION, but will be
a DECL_FRIEND_PSUEDO_TEMPLATE_INSTANTIATION. */
#define DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION(DECL) \
(DECL_TEMPLATE_INFO (DECL) && !DECL_USE_TEMPLATE (DECL))
/* Non-zero iff we are currently processing a declaration for an
entity with its own template parameter list, and which is not a
full specialization. */

6
gcc/cp/decl2.c
View file

@ -2837,10 +2837,12 @@ import_export_decl (decl)
if (DECL_INTERFACE_KNOWN (decl))
return;
if (DECL_TEMPLATE_INSTANTIATION (decl))
if (DECL_TEMPLATE_INSTANTIATION (decl)
|| DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (decl))
{
DECL_NOT_REALLY_EXTERN (decl) = 1;
if (DECL_IMPLICIT_INSTANTIATION (decl)
if ((DECL_IMPLICIT_INSTANTIATION (decl)
|| DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (decl))
&& (flag_implicit_templates || DECL_THIS_INLINE (decl)))
{
if (!TREE_PUBLIC (decl))

3
gcc/cp/pt.c
View file

@ -7939,8 +7939,7 @@ instantiate_decl (d)
we don't need to look any further. That's what the check for
DECL_INITIAL is for. */
|| (TREE_CODE (d) == FUNCTION_DECL
&& DECL_TEMPLATE_INFO (td)
&& !DECL_TEMPLATE_SPECIALIZATION (td)
&& DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (td)
&& !DECL_INITIAL (DECL_TEMPLATE_RESULT (td)));
)
{

28
gcc/testsuite/g++.old-deja/g++.pt/friend33.C Normal file
View file

@ -0,0 +1,28 @@
// Build don't run:
// Special g++ Options: -g
template <class P1>
struct S1
{
struct SS1
{
};
friend void Foo (const SS1& ss1)
{
}
};
template <class P1>
void Foo(const S1<P1>& s1)
{
typedef typename S1<P1>::SS1 TYPE;
TYPE t;
Foo(t);
}
int main ()
{
S1<double> obj;
Foo(obj);
}