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ObjectiveC. support "section" attribute on properties 

and methods. rdar://15450637

llvm-svn: 197625
This commit is contained in:
Fariborz Jahanian 2013-12-18 23:09:57 +00:00
parent 83a71c076c
commit cb8c7da266
4 changed files with 24 additions and 4 deletions
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5
clang/include/clang/Basic/Attr.td
View File

@ -818,8 +818,9 @@ def InitPriority : InheritableAttr {
def Section : InheritableAttr { def Section : InheritableAttr {
let Spellings = [GNU<"section">, CXX11<"gnu", "section">]; let Spellings = [GNU<"section">, CXX11<"gnu", "section">];
let Args = [StringArgument<"Name">]; let Args = [StringArgument<"Name">];
let Subjects = SubjectList<[Function, GlobalVar], ErrorDiag, let Subjects = SubjectList<[Function, GlobalVar,
"ExpectedFunctionOrGlobalVar">; ObjCMethod, ObjCProperty], ErrorDiag,
"ExpectedFunctionGlobalVarMethodOrProperty">;
} }
def Sentinel : InheritableAttr { def Sentinel : InheritableAttr {

2
clang/include/clang/Sema/AttributeList.h
View File

@ -912,7 +912,7 @@ enum AttributeDeclKind {
ExpectedObjCInterfaceDeclInitMethod, ExpectedObjCInterfaceDeclInitMethod,
ExpectedFunctionVariableOrClass, ExpectedFunctionVariableOrClass,
ExpectedObjectiveCProtocol, ExpectedObjectiveCProtocol,
ExpectedFunctionOrGlobalVar ExpectedFunctionGlobalVarMethodOrProperty
}; };
} // end namespace clang } // end namespace clang

8
clang/lib/Sema/SemaObjCProperty.cpp
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@ -1934,6 +1934,10 @@ void Sema::ProcessPropertyDecl(ObjCPropertyDecl *property,
if (property->hasAttr<ObjCReturnsInnerPointerAttr>()) if (property->hasAttr<ObjCReturnsInnerPointerAttr>())
GetterMethod->addAttr( GetterMethod->addAttr(
::new (Context) ObjCReturnsInnerPointerAttr(Loc, Context)); ::new (Context) ObjCReturnsInnerPointerAttr(Loc, Context));
if (const SectionAttr *SA = property->getAttr<SectionAttr>())
GetterMethod->addAttr(::new (Context) SectionAttr(Loc,
Context, SA->getName()));
if (getLangOpts().ObjCAutoRefCount) if (getLangOpts().ObjCAutoRefCount)
CheckARCMethodDecl(GetterMethod); CheckARCMethodDecl(GetterMethod);
@ -1984,7 +1988,9 @@ void Sema::ProcessPropertyDecl(ObjCPropertyDecl *property,
// and the real context should be the same. // and the real context should be the same.
if (lexicalDC) if (lexicalDC)
SetterMethod->setLexicalDeclContext(lexicalDC); SetterMethod->setLexicalDeclContext(lexicalDC);
if (const SectionAttr *SA = property->getAttr<SectionAttr>())
SetterMethod->addAttr(::new (Context) SectionAttr(Loc,
Context, SA->getName()));
// It's possible for the user to have set a very odd custom // It's possible for the user to have set a very odd custom
// setter selector that causes it to have a method family. // setter selector that causes it to have a method family.
if (getLangOpts().ObjCAutoRefCount) if (getLangOpts().ObjCAutoRefCount)

13
clang/test/CodeGenObjC/property-section-attribute.m Normal file
View File

@ -0,0 +1,13 @@
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
// rdar://15450637.
@interface NSObject @end
@interface Foo : NSObject
@property int p __attribute__((section("__TEXT,foo")));
@end
@implementation Foo @end
// CHECK: define internal i32 @"\01-[Foo p]"({{.*}} section "__TEXT,foo" {
// CHECK: define internal void @"\01-[Foo setP:]"({{.*}} section "__TEXT,foo" {