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24fa9c8703
The warnings that ClangImporter emits about issues it encounters while importing declarations from Clang modules should all belong to a diagnostic group so that users of `-warnings-as-errors` can control their behavior using the compiler flags introduce with SE-0443. It's especially important that these diagnostics be controllable since they are often caused by external dependencies and therefore the developer may not have any control over whether they are emitted. The `#ClangDeclarationImport` diagnostic group is intentionally broad so that developers have a way to control all of these diagnostics with a single `-Wwarning` flag. I fully expect that we'll introduce finer-grained diagnostic groups for some of these diagnostics in the future, but those groups should be hierarchically nested under `#ClangDeclarationImport`, which is supported by SE-0443. Resolves rdar://150524204.
45 lines
2.0 KiB
Swift
45 lines
2.0 KiB
Swift
// RUN: %empty-directory(%t.mcp)
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// RUN: not %target-swift-frontend(mock-sdk: %clang-importer-sdk) -I %S/Inputs/custom-modules -Xcc -w -typecheck %s -diagnostic-style llvm -module-cache-path %t.mcp 2>&1 | %FileCheck %s
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// REQUIRES: objc_interop
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// CHECK-NOT: warning:
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import ObjCIRExtras
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func test(_ i: Int) {
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let t = SwiftNameTest()
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t.theMethod(number: i)
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_ = t.renamedSomeProp
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_ = type(of: t).renamedClassProp
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_ = circularFriends(_:_:)
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// We only see these five warnings because Clang can catch the other invalid
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// cases, and marks the attribute as invalid ahead of time.
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// CHECK: warning: too few parameters in swift_name attribute (expected 2; got 1) [#ClangDeclarationImport]
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// CHECK: + (instancetype)g:(id)x outParam:(int *)foo SWIFT_NAME(init(g:));
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// CHECK-NOT: warning:
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// CHECK: note: please report this issue to the owners of 'ObjCIRExtras'
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// CHECK-NOT: warning:
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// CHECK: warning: cycle detected while resolving 'CircularName' in swift_name attribute for 'CircularName' [#ClangDeclarationImport]
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// CHECK: SWIFT_NAME(CircularName.Inner) @interface CircularName : NSObject @end
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// CHECK-NOT: {{warning|note}}:
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// CHECK: note: please report this issue to the owners of 'ObjCIRExtras'
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// CHECK-NOT: warning:
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// CHECK: warning: cycle detected while resolving 'MutuallyCircularNameB' in swift_name attribute for 'MutuallyCircularNameA' [#ClangDeclarationImport]
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// CHECK: SWIFT_NAME(MutuallyCircularNameB.Inner) @interface MutuallyCircularNameA : NSObject @end
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// CHECK-NOT: {{warning|note}}:
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// CHECK: note: while resolving 'MutuallyCircularNameA' in swift_name attribute for 'MutuallyCircularNameB'
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// CHECK: SWIFT_NAME(MutuallyCircularNameA.Inner) @interface MutuallyCircularNameB : NSObject @end
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// CHECK-NOT: {{warning|note}}:
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// CHECK: note: please report this issue to the owners of 'ObjCIRExtras'
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// CHECK-NOT: {{warning|note}}:
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// CHECK: SWIFT_NAME(MutuallyCircularNameB.Inner) @interface MutuallyCircularNameA : NSObject @end
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}
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