From ba45da8328b97fe7c9f4d92e377bd3e586b9a79f Mon Sep 17 00:00:00 2001 From: Fariborz Jahanian Date: Mon, 8 Dec 2008 19:28:10 +0000 Subject: [PATCH] Changed 'readonly' 'retain/copy' diagnostics into warning as it is allowed in gcc and will break projects. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60710 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/clang/Basic/DiagnosticKinds.def | 2 ++ lib/Sema/SemaDeclObjC.cpp | 5 +++-- test/SemaObjC/property-12.m | 6 +++--- 3 files changed, 8 insertions(+), 5 deletions(-) diff --git a/include/clang/Basic/DiagnosticKinds.def b/include/clang/Basic/DiagnosticKinds.def index 03787dfa62..20337f0aed 100644 --- a/include/clang/Basic/DiagnosticKinds.def +++ b/include/clang/Basic/DiagnosticKinds.def @@ -448,6 +448,8 @@ DIAG(err_objc_unexpected_attr, ERROR, "prefix attribute must be followed by an interface or protocol") DIAG(err_objc_property_attr_mutually_exclusive, ERROR, "property attributes '%0' and '%1' are mutually exclusive") +DIAG(warn_objc_property_attr_mutually_exclusive, WARNING, + "property attributes '%0' and '%1' are mutually exclusive") DIAG(warn_objc_property_no_assignment_attribute, WARNING, "no 'assign', 'retain', or 'copy' attribute is specified - 'assign' is assumed") DIAG(warn_objc_property_default_assign_on_object, WARNING, diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp index 828e1fc8c6..5e9e2b21e2 100644 --- a/lib/Sema/SemaDeclObjC.cpp +++ b/lib/Sema/SemaDeclObjC.cpp @@ -1299,9 +1299,10 @@ void Sema::CheckObjCPropertyAttributes(QualType PropertyTy, (Attributes & ObjCDeclSpec::DQ_PR_copy) ? "copy" : "retain"; - Diag(Loc, diag::err_objc_property_attr_mutually_exclusive) + Diag(Loc, (Attributes & (ObjCDeclSpec::DQ_PR_readwrite)) ? + diag::err_objc_property_attr_mutually_exclusive : + diag::warn_objc_property_attr_mutually_exclusive) << "readonly" << which; - return; } // Check for copy or retain on non-object types. diff --git a/test/SemaObjC/property-12.m b/test/SemaObjC/property-12.m index bdd026d32f..659ffa1d05 100644 --- a/test/SemaObjC/property-12.m +++ b/test/SemaObjC/property-12.m @@ -1,15 +1,15 @@ // RUN: clang -fsyntax-only -verify %s @protocol P0 -@property(readonly,assign) id X; // expected-error {{property attributes 'readonly' and 'assign' are mutually exclusive}} +@property(readonly,assign) id X; // expected-warning {{property attributes 'readonly' and 'assign' are mutually exclusive}} @end @protocol P1 -@property(readonly,retain) id X; // expected-error {{property attributes 'readonly' and 'retain' are mutually exclusive}} +@property(readonly,retain) id X; // expected-warning {{property attributes 'readonly' and 'retain' are mutually exclusive}} @end @protocol P2 -@property(readonly,copy) id X; // expected-error {{property attributes 'readonly' and 'copy' are mutually exclusive}} +@property(readonly,copy) id X; // expected-warning {{property attributes 'readonly' and 'copy' are mutually exclusive}} @end @protocol P3 -- 2.40.0