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objc-act.c (build_selector_translation_table): Issue warning... 

* objc/objc-act.c (build_selector_translation_table): Issue
	warning, when  -Wselector is used,if method for which selector
	is being created does not exist.

Testsuite:
	*objc.dg/selector-1.m: New test

From-SVN: r56142
This commit is contained in:
Devang Patel 2002-08-08 16:14:19 -07:00 committed by Devang Patel
parent 6fde981568
commit 7b9be5c7cb
4 changed files with 60 additions and 0 deletions
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5
gcc/ChangeLog
View File

@ -1,3 +1,8 @@
2002-08-08 Devang Patel <dpatel@apple.com>
* objc/objc-act.c (build_selector_translation_table): Issue warning,
when -Wselector is used,if method for which selector is being
created does not exist.
2002-08-08 Stephen Clarke <stephen.clarke@superh.com>
* config/sh/sh.c (prepare_move_operands): Only call

26
gcc/objc/objc-act.c
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@ -1886,6 +1886,32 @@ build_selector_translation_table ()
{
tree expr;
if (warn_selector && objc_implementation_context)
{
tree method_chain;
bool found = false;
for (method_chain = meth_var_names_chain;
method_chain;
method_chain = TREE_CHAIN (method_chain))
{
if (TREE_VALUE (method_chain) == TREE_VALUE (chain))
{
found = true;
break;
}
}
if (!found)
{
/* Adjust line number for warning message. */
int save_lineno = lineno;
if (flag_next_runtime && TREE_PURPOSE (chain))
lineno = DECL_SOURCE_LINE (TREE_PURPOSE (chain));
warning ("creating selector for non existant method %s",
IDENTIFIER_POINTER (TREE_VALUE (chain)));
lineno = save_lineno;
}
}
expr = build_selector (TREE_VALUE (chain));
if (flag_next_runtime)

3
gcc/testsuite/ChangeLog
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@ -1,3 +1,6 @@
2002-08-08 Devang Patel <dpatel@apple.com>
*objc.dg/selector-1.m : New test
2002-08-08 Nathan Sidwell <nathan@codesourcery.com>
* g++.dg/abi/bitfield4.c: New test.

26
gcc/testsuite/objc.dg/selector-1.m Normal file
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@ -0,0 +1,26 @@
/* Test warning for non existing selectors. */
/* Contributed by Devang Patel <dpatel@apple.com>. */
/* { dg-options "-Wselector -fnext-runtime" } */
/* { dg-do compile } */
typedef struct objc_object { struct objc_class *class_pointer; } *id;
typedef struct objc_selector *SEL;
@interface Foo
- (void) foo;
- (void) bar;
@end
@implementation Foo
- (void) bar
{
}
- (void) foo
{
SEL a,b,c;
a = @selector(b1ar); /* { dg-warning "creating selector for non existant method b1ar" } */
b = @selector(bar);
}
@end