ObjectiveC. Continuing implementation of objc_bridge_related

attribute in sema and issuing a variety of diagnostics lazily 
for misuse of this attribute (and what to do) when converting 
from CF types to ObjectiveC types (and vice versa).
// rdar://15499111

llvm-svn: 196629

1 files changed, 41 insertions, 0 deletions

diff --git a/clang/test/SemaObjC/objcbridge-related-attribute.m b/clang/test/SemaObjC/objcbridge-related-attribute.m
new file mode 100644
index 00000000000..bf6b4e7e359
--- /dev/null
+++ b/clang/test/SemaObjC/objcbridge-related-attribute.m
@@ -0,0 +1,41 @@
+// RUN: %clang_cc1 -fsyntax-only -x objective-c -verify -Wno-objc-root-class %s
+// rdar://15499111
+
+typedef struct __attribute__((objc_bridge_related(NSColor,colorWithCGColor:,CGColor))) CGColor *CGColorRef; // expected-note 5 {{declared here}}
+typedef struct __attribute__((objc_bridge_related(NSColor,,CGColor1))) CGColor1 *CGColorRef1; // expected-note 3 {{declared here}}
+typedef struct __attribute__((objc_bridge_related(NSColor,,))) CGColor2 *CGColorRef2; // expected-note 2 {{declared here}}
+
+@interface NSColor // expected-note 10 {{declared here}}
++ (NSColor *)colorWithCGColor:(CGColorRef)cgColor;
+- (CGColorRef)CGColor;
+- (CGColorRef1)CGColor1;
+@end
+
+@interface NSTextField 
+- (void)setBackgroundColor:(NSColor *)color;
+- (NSColor *)backgroundColor;
+@end
+
+void foo(NSColor*);
+
+NSColor * Test1(NSTextField *textField, CGColorRef newColor) {
+  foo(newColor); // expected-error {{'CGColorRef' (aka 'struct CGColor *') must be explicitly converted to 'NSColor *', use 'colorWithCGColor:' method for this conversion}}
+  textField.backgroundColor = newColor; // expected-error {{'CGColorRef' (aka 'struct CGColor *') must be explicitly converted to 'NSColor *', use 'colorWithCGColor:' method for this conversion}}
+  return newColor; // expected-error {{'CGColorRef' (aka 'struct CGColor *') must be explicitly converted to 'NSColor *', use 'colorWithCGColor:' method for this conversion}}
+}
+
+NSColor * Test2(NSTextField *textField, CGColorRef1 newColor) {
+  foo(newColor); // expected-error {{'CGColorRef1' (aka 'struct CGColor1 *') must be explicitly converted to 'NSColor *', define and then use a singular class method in NSColor for this conversion}}
+  textField.backgroundColor = newColor;  // expected-error {{'CGColorRef1' (aka 'struct CGColor1 *') must be explicitly converted to 'NSColor *', define and then use a singular class method in NSColor for this conversion}}
+  return newColor;  // expected-error {{'CGColorRef1' (aka 'struct CGColor1 *') must be explicitly converted to 'NSColor *', define and then use a singular class method in NSColor for this conversion}}
+}
+
+CGColorRef Test3(NSTextField *textField, CGColorRef newColor) {
+  newColor = textField.backgroundColor; // expected-error {{'NSColor *' must be explicitly converted to 'CGColorRef' (aka 'struct CGColor *'), use 'CGColor' method for this conversion}}
+  return textField.backgroundColor; // expected-error {{'NSColor *' must be explicitly converted to 'CGColorRef' (aka 'struct CGColor *'), use 'CGColor' method for this conversion}}
+}
+
+CGColorRef2 Test4(NSTextField *textField, CGColorRef2 newColor) {
+  newColor = textField.backgroundColor; // expected-error {{'NSColor *' must be explicitly converted to 'CGColorRef2' (aka 'struct CGColor2 *'), define and then use an instance method in NSColor for this conversion}}
+  return textField.backgroundColor; // expected-error {{'NSColor *' must be explicitly converted to 'CGColorRef2' (aka 'struct CGColor2 *'), define and then use an instance method in NSColor for this conversion}}
+}