[CodeCompletion] Provide Objective-C class property completion results

This commit provides class property code completion results. It supports
explicit and implicit class properties, but the special block completion is done
only for explicit properties right now.

rdar://25636195

Differential Revision: https://reviews.llvm.org/D27053

llvm-svn: 289058

2 files changed, 97 insertions, 0 deletions

diff --git a/clang/test/Index/complete-block-properties.m b/clang/test/Index/complete-block-properties.m
index 47eee02ba57..d166147294e 100644
--- a/clang/test/Index/complete-block-properties.m
+++ b/clang/test/Index/complete-block-properties.m
@@ -70,3 +70,19 @@ void noQualifierParens(NoQualifierParens *f) {
 //CHECK-CC2-NEXT: ObjCInstanceMethodDecl:{ResultType BarBlock}{TypedText blockProperty2} (35)
 //CHECK-CC2-NEXT: ObjCInstanceMethodDecl:{ResultType void}{TypedText setBlockProperty2:}{Placeholder BarBlock blockProperty2} (35)
 //CHECK-CC2-NEXT: ObjCInstanceMethodDecl:{ResultType void}{TypedText setBlockProperty:}{Placeholder void (^)(void)blockProperty} (35)
+
+@interface ClassProperties
+
+@property(class) void (^explicit)();
+@property(class, readonly) void (^explicitReadonly)();
+
+@end
+
+void classBlockProperties() {
+  ClassProperties.explicit;
+}
+
+// RUN: c-index-test -code-completion-at=%s:82:19 %s | FileCheck -check-prefix=CHECK-CC3 %s
+//CHECK-CC3: ObjCPropertyDecl:{ResultType void}{TypedText explicit}{LeftParen (}{RightParen )} (35)
+//CHECK-CC3-NEXT: ObjCPropertyDecl:{ResultType void (^)()}{TypedText explicit}{Equal  = }{Placeholder ^(void)} (38)
+//CHECK-CC3-NEXT: ObjCPropertyDecl:{ResultType void}{TypedText explicitReadonly}{LeftParen (}{RightParen )} (35)
diff --git a/clang/test/Index/complete-properties.m b/clang/test/Index/complete-properties.m
index a4450563698..0c49819ac2a 100644
--- a/clang/test/Index/complete-properties.m
+++ b/clang/test/Index/complete-properties.m
@@ -94,3 +94,84 @@ id test(I3 *i3) {
 
 // RUN: c-index-test -code-completion-at=%s:57:13 -fobjc-nonfragile-abi %s | FileCheck -check-prefix=CHECK-CC8 %s
 // CHECK-CC8: ObjCPropertyDecl:{ResultType int}{TypedText Prop5} (35)
+
+@interface ClassProperties
+
+@property int instanceProperty;
+@property(class) int explicit;
+@property(class, readonly) int explicitReadonly;
+
++ (int)implicit;
++ (int)setImplicit:(int)x;
+
++ (int)implicitReadonly;
+
++ (void)noProperty;
+
+- (int)implicitInstance;
+
++ (int)shadowedImplicit;
+
+@end
+
+@interface ClassProperties (Category)
+
++ (int)implicitInCategory;
+
+@end
+
+@protocol ProtocolClassProperties
+
+@property(class, readonly) int explicitInProtocol;
+
+@end
+
+@interface SubClassProperties: ClassProperties <ProtocolClassProperties>
+
+@property(class) ClassProperties *shadowedImplicit;
+
+@end
+
+@implementation SubClassProperties
+
+-(void) foo {
+  super.instanceProperty;
+}
+
+@end
+
+void classProperties() {
+  (void)ClassProperties.implicit;
+  (void)SubClassProperties.explicit;
+}
+
+// RUN: c-index-test -code-completion-at=%s:144:25 -fobjc-nonfragile-abi %s | FileCheck -check-prefix=CHECK-CC9 %s
+// CHECK-CC9: ObjCPropertyDecl:{ResultType int}{TypedText explicit} (35)
+// CHECK-CC9-NEXT: ObjCPropertyDecl:{ResultType int}{TypedText explicitReadonly} (35)
+// CHECK-CC9-NEXT: ObjCClassMethodDecl:{ResultType int}{TypedText implicit} (37)
+// CHECK-CC9-NEXT: ObjCClassMethodDecl:{ResultType int}{TypedText implicitInCategory} (37)
+// CHECK-CC9-NEXT: ObjCClassMethodDecl:{ResultType int}{TypedText implicitReadonly} (37)
+// CHECK-CC9-NEXT: ObjCClassMethodDecl:{ResultType int}{TypedText shadowedImplicit} (37)
+// CHECK-CC9-NOT: implicitInstance
+// CHECK-CC9-NOT: noProperty
+// CHECK-CC9-NOT: instanceProperty
+
+// RUN: c-index-test -code-completion-at=%s:145:28 -fobjc-nonfragile-abi %s | FileCheck -check-prefix=CHECK-CC10 %s
+// CHECK-CC10: ObjCPropertyDecl:{ResultType int}{TypedText explicit} (35)
+// CHECK-CC10-NEXT: ObjCPropertyDecl:{ResultType int}{TypedText explicitInProtocol} (35)
+// CHECK-CC10-NEXT: ObjCPropertyDecl:{ResultType int}{TypedText explicitReadonly} (35)
+// CHECK-CC10-NEXT: ObjCClassMethodDecl:{ResultType int}{TypedText implicit} (37)
+// CHECK-CC10-NEXT: ObjCClassMethodDecl:{ResultType int}{TypedText implicitInCategory} (37)
+// CHECK-CC10-NEXT: ObjCClassMethodDecl:{ResultType int}{TypedText implicitReadonly} (37)
+// CHECK-CC10-NEXT: ObjCPropertyDecl:{ResultType ClassProperties *}{TypedText shadowedImplicit} (35)
+// CHECK-CC10-NOT: implicitInstance
+// CHECK-CC10-NOT: noProperty
+// CHECK-CC10-NOT: instanceProperty
+
+// RUN: c-index-test -code-completion-at=%s:138:9 -fobjc-nonfragile-abi %s | FileCheck -check-prefix=CHECK-CC11 %s
+// CHECK-CC11-NOT: explicit
+// CHECK-CC11-NOT: explicitReadonly
+// CHECK-CC11-NOT: implicit
+// CHECK-CC11-NOT: implicitReadonly
+// CHECK-CC11-NOT: shadowedImplicit
+// CHECK-CC11-NOT: implicitInCategory