Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/objc.dg/proto-lossage-1.m @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
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/* Test for situations in which protocol conformance information may be lost, leading to superfluous warnings. */ /* Author: Ziemowit Laski <zlaski@apple.com>. */ /* { dg-do compile } */ /* One-line substitute for objc/objc.h */ typedef struct objc_object { struct objc_class *class_pointer; } *id; @protocol NSObject - (int)someValue; @end @interface NSObject <NSObject> @end @protocol PlateMethods - (void)someMethod; @end @interface Foo { NSObject <PlateMethods> *plate; id <PlateMethods> plate1; NSObject *plate2; } - (id <PlateMethods>) getPlate; - (id <NSObject>) getPlate1; - (int) getValue; @end @implementation Foo - (id <PlateMethods>) getPlate { return plate; /* { dg-bogus "does not implement" } */ } - (id <NSObject>) getPlate1 { return (id <NSObject>)plate1; /* { dg-bogus "does not conform" } */ } - (int) getValue { int i = [plate1 someValue]; /* { dg-warning ".\\-someValue. not found in protocol\\(s\\)" } */ int j = [(id <NSObject>)plate1 someValue]; /* { dg-bogus "not found in protocol" } */ int k = [(id)plate1 someValue]; /* { dg-bogus "not found in protocol" } */ return i + j + k; } @end