| 1 | //===- unittests/Frontend/UtilsTest.cpp -----------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "clang/Frontend/Utils.h" |
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| 10 | #include "clang/Basic/Diagnostic.h" |
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| 11 | #include "clang/Basic/TargetOptions.h" |
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| 12 | #include "clang/Frontend/CompilerInstance.h" |
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| 13 | #include "clang/Frontend/CompilerInvocation.h" |
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| 14 | #include "clang/Lex/PreprocessorOptions.h" |
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| 15 | #include "llvm/ADT/IntrusiveRefCntPtr.h" |
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| 16 | #include "llvm/Support/VirtualFileSystem.h" |
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| 17 | #include "gmock/gmock.h" |
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| 18 | #include "gtest/gtest.h" |
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| 19 | |
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| 20 | namespace clang { |
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| 21 | namespace { |
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| 22 | using testing::ElementsAre; |
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| 23 | |
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| 24 | TEST(BuildCompilerInvocationTest, RecoverMultipleJobs) { |
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| 25 | // This generates multiple jobs and we recover by using the first. |
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| 26 | std::vector<const char *> Args = {"clang" , "--target=macho" , "-arch" , "i386" , |
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| 27 | "-arch" , "x86_64" , "foo.cpp" }; |
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| 28 | clang::IgnoringDiagConsumer D; |
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| 29 | clang::DiagnosticOptions DiagOpts; |
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| 30 | CreateInvocationOptions Opts; |
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| 31 | Opts.RecoverOnError = true; |
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| 32 | Opts.VFS = new llvm::vfs::InMemoryFileSystem(); |
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| 33 | Opts.Diags = clang::CompilerInstance::createDiagnostics(VFS&: *Opts.VFS, Opts&: DiagOpts, |
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| 34 | Client: &D, ShouldOwnClient: false); |
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| 35 | std::unique_ptr<CompilerInvocation> CI = createInvocation(Args, Opts); |
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| 36 | ASSERT_TRUE(CI); |
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| 37 | EXPECT_THAT(CI->getTargetOpts().Triple, testing::StartsWith("i386-" )); |
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| 38 | } |
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| 39 | |
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| 40 | // buildInvocationFromCommandLine should not translate -include to -include-pch, |
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| 41 | // even if the PCH file exists. |
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| 42 | TEST(BuildCompilerInvocationTest, ProbePrecompiled) { |
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| 43 | std::vector<const char *> Args = {"clang" , "-include" , "foo.h" , "foo.cpp" }; |
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| 44 | auto FS = llvm::makeIntrusiveRefCnt<llvm::vfs::InMemoryFileSystem>(); |
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| 45 | FS->addFile(Path: "foo.h" , ModificationTime: 0, Buffer: llvm::MemoryBuffer::getMemBuffer(InputData: "" )); |
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| 46 | FS->addFile(Path: "foo.h.pch" , ModificationTime: 0, Buffer: llvm::MemoryBuffer::getMemBuffer(InputData: "" )); |
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| 47 | |
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| 48 | clang::IgnoringDiagConsumer D; |
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| 49 | clang::DiagnosticOptions DiagOpts; |
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| 50 | llvm::IntrusiveRefCntPtr<DiagnosticsEngine> CommandLineDiagsEngine = |
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| 51 | clang::CompilerInstance::createDiagnostics(VFS&: *FS, Opts&: DiagOpts, Client: &D, ShouldOwnClient: false); |
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| 52 | // Default: ProbePrecompiled=false |
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| 53 | CreateInvocationOptions CIOpts; |
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| 54 | CIOpts.Diags = CommandLineDiagsEngine; |
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| 55 | CIOpts.VFS = FS; |
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| 56 | std::unique_ptr<CompilerInvocation> CI = createInvocation(Args, Opts: CIOpts); |
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| 57 | ASSERT_TRUE(CI); |
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| 58 | EXPECT_THAT(CI->getPreprocessorOpts().Includes, ElementsAre("foo.h" )); |
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| 59 | EXPECT_EQ(CI->getPreprocessorOpts().ImplicitPCHInclude, "" ); |
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| 60 | |
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| 61 | CIOpts.ProbePrecompiled = true; |
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| 62 | CI = createInvocation(Args, Opts: CIOpts); |
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| 63 | ASSERT_TRUE(CI); |
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| 64 | EXPECT_THAT(CI->getPreprocessorOpts().Includes, ElementsAre()); |
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| 65 | EXPECT_EQ(CI->getPreprocessorOpts().ImplicitPCHInclude, "foo.h.pch" ); |
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| 66 | } |
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| 67 | |
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| 68 | } // namespace |
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| 69 | } // namespace clang |
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| 70 | |
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