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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.
76 lines
3.3 KiB
C++
76 lines
3.3 KiB
C++
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend %S/swift-primitive-functions-cxx-bridging.swift -module-name Functions -clang-header-expose-decls=all-public -typecheck -verify -emit-clang-header-path %t/functions.h
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// RUN: %target-interop-build-clangxx -c %s -I %t -o %t/swift-functions-execution.o
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// RUN: %target-interop-build-swift %S/swift-primitive-functions-cxx-bridging.swift -o %t/swift-functions-execution -Xlinker %t/swift-functions-execution.o -module-name Functions -Xfrontend -entry-point-function-name -Xfrontend swiftMain
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// RUN: %target-codesign %t/swift-functions-execution
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// RUN: %target-run %t/swift-functions-execution
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// REQUIRES: executable_test
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#include <cassert>
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#include "functions.h"
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#define VERIFY_PASSTHROUGH_VALUE(function, value) assert(function(value) == (value));
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int main() {
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using namespace Functions;
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VERIFY_PASSTHROUGH_VALUE(passThroughCBool, true);
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VERIFY_PASSTHROUGH_VALUE(passThroughCChar, 'a');
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VERIFY_PASSTHROUGH_VALUE(passThroughCWideChar, 'a');
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VERIFY_PASSTHROUGH_VALUE(passThroughCChar16, 0xFE1);
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VERIFY_PASSTHROUGH_VALUE(passThroughCChar32, 0x100FE);
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VERIFY_PASSTHROUGH_VALUE(passThroughCSignedChar, -1);
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VERIFY_PASSTHROUGH_VALUE(passThroughCShort, -512);
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VERIFY_PASSTHROUGH_VALUE(passThroughCInt, -999999);
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VERIFY_PASSTHROUGH_VALUE(passThroughCLongLong, -999998);
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VERIFY_PASSTHROUGH_VALUE(passThroughCUnsignedSignedChar, 255);
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VERIFY_PASSTHROUGH_VALUE(passThroughCUnsignedShort, 0xFFFF);
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VERIFY_PASSTHROUGH_VALUE(passThroughCUnsignedInt, 0xFFFFFFFF);
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VERIFY_PASSTHROUGH_VALUE(passThroughCUnsignedLongLong, 0xFFFFFFFF);
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VERIFY_PASSTHROUGH_VALUE(passThroughCFloat, 1.0f);
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VERIFY_PASSTHROUGH_VALUE(passThroughCDouble, 42.125f);
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VERIFY_PASSTHROUGH_VALUE(passThroughInt8, -1);
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VERIFY_PASSTHROUGH_VALUE(passThroughInt16, -512);
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VERIFY_PASSTHROUGH_VALUE(passThroughInt32, -999999);
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VERIFY_PASSTHROUGH_VALUE(passThroughInt64, -999999999999);
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VERIFY_PASSTHROUGH_VALUE(passThroughUInt8, 255);
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VERIFY_PASSTHROUGH_VALUE(passThroughUInt16, 0xffff);
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VERIFY_PASSTHROUGH_VALUE(passThroughUInt32, 0xffffffff);
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VERIFY_PASSTHROUGH_VALUE(passThroughUInt64, 0xffffffffffffffff);
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VERIFY_PASSTHROUGH_VALUE(passThroughFloat, 1.0f);
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VERIFY_PASSTHROUGH_VALUE(passThroughDouble, 42.125f);
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VERIFY_PASSTHROUGH_VALUE(passThroughFloat32, 1.0f);
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VERIFY_PASSTHROUGH_VALUE(passThroughFloat64, 42.125f);
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VERIFY_PASSTHROUGH_VALUE(passThroughInt, -999997);
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VERIFY_PASSTHROUGH_VALUE(passThroughUInt, 0xffffffff);
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VERIFY_PASSTHROUGH_VALUE(passThroughBool, true);
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VERIFY_PASSTHROUGH_VALUE(passThroughBool, false);
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int x = 0;
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VERIFY_PASSTHROUGH_VALUE(passThroughOpaquePointer, &x);
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VERIFY_PASSTHROUGH_VALUE(passThroughUnsafeRawPointer, &x);
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VERIFY_PASSTHROUGH_VALUE(passThroughUnsafeMutableRawPointer, &x);
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VERIFY_PASSTHROUGH_VALUE(roundTwoPassThroughUnsafeMutableRawPointer, nullptr);
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VERIFY_PASSTHROUGH_VALUE(passThroughUnsafeGenericMutableOptionalPointer, &x);
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VERIFY_PASSTHROUGH_VALUE(passThroughUnsafeGenericMutableOptionalPointer,
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nullptr);
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VERIFY_PASSTHROUGH_VALUE(passThroughUnsafeGenericMutablePointer, &x);
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const int y = 0;
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VERIFY_PASSTHROUGH_VALUE(passThroughUnsafeGenericOptionalPointer, &x);
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VERIFY_PASSTHROUGH_VALUE(passThroughUnsafeGenericOptionalPointer, nullptr);
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VERIFY_PASSTHROUGH_VALUE(passThroughUnsafeGenericPointer, &x);
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}
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