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objc-act.c (build_message_expr): If a class method cannot be found...

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2001-09-05  Ziemowit Laski  <zlaski@apple.com>

        * objc/objc-act.c (build_message_expr): If a class method cannot
        be found, do not issue a warning if a corresponding instance
        method exists in the root class.

2001-09-05  Ziemowit Laski  <zlaski@apple.com>

        * objc.dg/method-2.m: New.

From-SVN: r45428
This commit is contained in:
Ziemowit Laski 2001-09-06 00:26:34 +00:00 committed by Stan Shebs
parent 2d25bf5d52
commit 89fc36051e
4 changed files with 45 additions and 3 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2001-09-05 Ziemowit Laski <zlaski@apple.com>
* objc/objc-act.c (build_message_expr): If a class method cannot
be found, do not issue a warning if a corresponding instance
method exists in the root class.
2001-09-05 Richard Henderson <rth@redhat.com>
* config/alpha/alpha.c (alpha_expand_mov): Initialize temp.

7
gcc/objc/objc-act.c
View File

@ -5177,8 +5177,7 @@ build_message_expr (mess)
method_prototype = lookup_class_method_static (iface, sel_name);
}
if (!method_prototype
|| TREE_CODE (method_prototype) != CLASS_METHOD_DECL)
if (!method_prototype)
{
warning ("cannot find class (factory) method.");
warning ("return type for `%s' defaults to id",
@ -5687,7 +5686,9 @@ lookup_class_method_static (interface, ident)
}
while (inter);
/* Simulate wrap around. */
/* If no class (factory) method was found, check if an _instance_
method of the same name exists in the root class. This is what
the Objective-C runtime will do. */
return lookup_instance_method_static (root_inter, ident);
}

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2001-09-05 Ziemowit Laski <zlaski@apple.com>
* objc.dg/method-2.m: New.
2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
PR c++/4203

31
gcc/testsuite/objc.dg/method-2.m Normal file
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@ -0,0 +1,31 @@
/* Test for lookup of class (factory) methods. */
/* Author: Ziemowit Laski <zlaski@apple.com>. */
/* { dg-do compile } */
@interface MyBase
- (void) rootInstanceMethod;
@end
@interface MyIntermediate: MyBase
@end
@interface MyDerived: MyIntermediate
- (void) instanceMethod;
+ (void) classMethod;
@end
@implementation MyDerived
- (void) instanceMethod {
}
+ (void) classMethod { /* If a class method is not found, the root */
[self rootInstanceMethod]; /* class is searched for an instance method */
[MyIntermediate rootInstanceMethod]; /* with the same name. */
[self instanceMethod]; /* { dg-warning "cannot find class" } */
/* { dg-warning "defaults to id" "" { target *-*-* } 25 } */
[MyDerived instanceMethod]; /* { dg-warning "cannot find class" } */
/* { dg-warning "defaults to id" "" { target *-*-* } 27 } */
}
@end