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96 lines
3.5 KiB
96 lines
3.5 KiB
//===- unittests/Frontend/CompilerInstanceTest.cpp - CI tests -------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "flang/Frontend/CompilerInstance.h"
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#include "flang/Frontend/TextDiagnosticPrinter.h"
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#include "clang/Basic/DiagnosticOptions.h"
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#include "llvm/Support//FileSystem.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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using namespace Fortran::frontend;
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namespace {
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TEST(CompilerInstance, SanityCheckForFileManager) {
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const char *inputSource = "InputSourceFile";
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std::string inputFile = "buffer-file-test.f";
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std::error_code ec;
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// 1. Create the input file for the file manager
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// AllSources (which is used to manage files inside every compiler instance),
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// works with paths. This means that it requires a physical file. Create one.
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std::unique_ptr<llvm::raw_fd_ostream> os{
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new llvm::raw_fd_ostream(inputFile, ec, llvm::sys::fs::OF_None)};
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if (ec)
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FAIL() << "Failed to create the input file";
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// Populate the input file with the pre-defined input and flush it.
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*(os) << inputSource;
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os.reset();
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// Get the path of the input file
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llvm::SmallString<64> cwd;
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if (std::error_code ec = llvm::sys::fs::current_path(cwd))
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FAIL() << "Failed to obtain the current working directory";
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std::string testFilePath(cwd.c_str());
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testFilePath += "/" + inputFile;
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// 2. Set up CompilerInstance (i.e. specify the input file)
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std::string buf;
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llvm::raw_string_ostream error_stream{buf};
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CompilerInstance compInst;
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const Fortran::parser::SourceFile *sf =
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compInst.allSources().Open(testFilePath, error_stream);
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// 3. Verify the content of the input file
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// This is just a sanity check to make sure that CompilerInstance is capable
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// of reading input files.
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llvm::ArrayRef<char> fileContent = sf->content();
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EXPECT_FALSE(fileContent.size() == 0);
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EXPECT_TRUE(
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llvm::StringRef(fileContent.data()).startswith("InputSourceFile"));
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// 4. Delete the test file
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ec = llvm::sys::fs::remove(inputFile);
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if (ec)
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FAIL() << "Failed to delete the test file";
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}
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TEST(CompilerInstance, AllowDiagnosticLogWithUnownedDiagnosticConsumer) {
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// 1. Set-up a basic DiagnosticConsumer
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std::string diagnosticOutput;
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llvm::raw_string_ostream diagnosticsOS(diagnosticOutput);
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auto diagPrinter = std::make_unique<Fortran::frontend::TextDiagnosticPrinter>(
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diagnosticsOS, new clang::DiagnosticOptions());
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// 2. Create a CompilerInstance (to manage a DiagnosticEngine)
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CompilerInstance compInst;
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// 3. Set-up DiagnosticOptions
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auto diagOpts = new clang::DiagnosticOptions();
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// Tell the diagnostics engine to emit the diagnostic log to STDERR. This
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// ensures that a chained diagnostic consumer is created so that the test can
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// exercise the unowned diagnostic consumer in a chained consumer.
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diagOpts->DiagnosticLogFile = "-";
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// 4. Create a DiagnosticEngine with an unowned consumer
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IntrusiveRefCntPtr<clang::DiagnosticsEngine> diags =
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compInst.CreateDiagnostics(diagOpts, diagPrinter.get(),
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/*ShouldOwnClient=*/false);
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// 5. Report a diagnostic
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diags->Report(clang::diag::err_expected) << "no crash";
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// 6. Verify that the reported diagnostic wasn't lost and did end up in the
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// output stream
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ASSERT_EQ(diagnosticsOS.str(), "error: expected no crash\n");
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}
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} // namespace
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