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da07ff577c
PrintAsClang is supposed to emit declarations in the same order regardless of the compiler’s internal state, but we have repeatedly found that our current criteria are inadequate, resulting in non-functionality-affecting changes to generated header content. Add a diagnostic that’s emitted when this happens soliciting a bug report. Since there *should* be no cases where the compiler fails to order declarations, this diagnostic is never actually emitted. Instead, we test this change by enabling `-verify` on nearly all PrintAsClang tests to make sure they are unaffected. This did demonstrate a missing criterion that only mattered in C++ mode: extensions that varied only in their generic signature were not sorted stably. Add a sort criterion for this.
78 lines
5.2 KiB
Swift
78 lines
5.2 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend %S/swift-class-virtual-method-dispatch.swift -module-name Class -clang-header-expose-decls=all-public -typecheck -verify -emit-clang-header-path %t/class.h -enable-library-evolution
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// RUN: %FileCheck %s < %t/class.h
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// RUN: %check-interop-cxx-header-in-clang(%t/class.h -DSWIFT_CXX_INTEROP_HIDE_STL_OVERLAY)
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// note: implemented in swift-class-virtual-method-dispatch.swift
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// CHECK: SWIFT_EXTERN void $s5Class04BaseA0C13virtualMethodyyF(SWIFT_CONTEXT void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL; // virtualMethod()
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// CHECK-NEXT: SWIFT_EXTERN void $s5Class04BaseA0C13virtualMethodyyFTj(SWIFT_CONTEXT void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL; // dispatch thunk for virtualMethod()
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// CHECK: SWIFT_EXTERN ptrdiff_t $s5Class04BaseA0C19virtualComputedPropSivg(SWIFT_CONTEXT void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN ptrdiff_t $s5Class04BaseA0C19virtualComputedPropSivgTj(SWIFT_CONTEXT void * _Nonnull _self) SWIFT_NOEXCEPT SWIFT_CALL; // dispatch thunk for
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// CHECK: void BaseClass::virtualMethod() {
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// CHECK-NEXT: _impl::$s5Class04BaseA0C13virtualMethodyyFTj(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK-NEXT: }
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// CHECK: swift::Int BaseClass::virtualMethodIntInt(swift::Int x) {
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// CHECK-NEXT: return Class::_impl::$s5Class04BaseA0C016virtualMethodIntE0yS2iFTj(x, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK-NEXT: }
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// CHECK: swift::Int BaseClass::finalMethodInBase(swift::Int x) {
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// CHECK-NEXT: return Class::_impl::$s5Class04BaseA0C013finalMethodInB0yS2iF(x, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK-NEXT: }
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// CHECK: swift::Int BaseClass::getVirtualComputedProp() {
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// CHECK-NEXT: _impl::$s5Class04BaseA0C19virtualComputedPropSivgTj(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK: int64_t BaseClass::getVirtualComputedGetSet() {
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// CHECK-NEXT: _impl::$s5Class04BaseA0C21virtualComputedGetSets5Int64VvgTj(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK: void BaseClass::setVirtualComputedGetSet(int64_t newValue) {
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// CHECK-NEXT: _impl::$s5Class04BaseA0C21virtualComputedGetSets5Int64VvsTj(newValue, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK: swift::Int BaseClass::getStoredProp() {
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// CHECK-NEXT: _impl::$s5Class04BaseA0C10storedPropSivgTj(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK: void BaseClass::setStoredProp(swift::Int value) {
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// CHECK-NEXT: _impl::$s5Class04BaseA0C10storedPropSivsTj(value, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK: swift::Int BaseClass::operator [](swift::Int i) const
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// CHECK-NEXT: return Class::_impl::$s5Class04BaseA0CyS2icigTj(i, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK: void DerivedClass::virtualMethod() {
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// CHECK-NEXT: _impl::$s5Class04BaseA0C13virtualMethodyyFTj(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK-NEXT: }
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// CHECK: swift::Int DerivedClass::virtualMethodIntInt(swift::Int x) {
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// CHECK-NEXT: return Class::_impl::$s5Class04BaseA0C016virtualMethodIntE0yS2iFTj(x, ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK-NEXT: }
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// CHECK: BaseClass DerivedClass::virtualMethodInDerived(const BaseClass& x) {
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// CHECK-NEXT: return _impl::_impl_BaseClass::makeRetained(Class::_impl::$s5Class07DerivedA0C015virtualMethodInB0yAA04BaseA0CAFFTj(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(x), ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this)));
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// CHECK-NEXT: }
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// CHECK: swift::Int DerivedClass::getVirtualComputedProp() {
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// CHECK-NEXT: Class::_impl::$s5Class04BaseA0C19virtualComputedPropSivgTj(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK: void DerivedDerivedClass::virtualMethod() {
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// CHECK-NEXT: _impl::$s5Class07DerivedbA0C13virtualMethodyyF(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK-NEXT: }
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// CHECK: BaseClass DerivedDerivedClass::virtualMethodInDerived(const BaseClass& x) {
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// CHECK-NEXT: return _impl::_impl_BaseClass::makeRetained(Class::_impl::$s5Class07DerivedbA0C015virtualMethodInB0yAA04BaseA0CAFF(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(x), ::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this)));
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// CHECK-NEXT: }
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// CHECK: void DerivedDerivedClass::methodInDerivedDerived() {
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// CHECK-NEXT: _impl::$s5Class07DerivedbA0C08methodInbB0yyF(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK-NEXT: }
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// CHECK: swift::Int DerivedDerivedClass::getStoredProp() {
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// CHECK-NEXT: return Class::_impl::$s5Class07DerivedbA0C10storedPropSivg(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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// CHECK: swift::Int DerivedDerivedClass::getComputedPropInDerivedDerived() {
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// CHECK-NEXT: return Class::_impl::$s5Class07DerivedbA0C014computedPropInbB0Sivg(::swift::_impl::_impl_RefCountedClass::getOpaquePointer(*this));
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