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111 lines
3.9 KiB
111 lines
3.9 KiB
//===- unittests/StaticAnalyzer/RegisterCustomCheckersTest.cpp ------------===//
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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 "clang/Frontend/CompilerInstance.h"
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#include "clang/StaticAnalyzer/Core/BugReporter/BugReporter.h"
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#include "clang/StaticAnalyzer/Core/BugReporter/BugType.h"
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#include "clang/StaticAnalyzer/Core/Checker.h"
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#include "clang/StaticAnalyzer/Core/PathSensitive/AnalysisManager.h"
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#include "clang/StaticAnalyzer/Frontend/AnalysisConsumer.h"
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#include "clang/StaticAnalyzer/Frontend/CheckerRegistry.h"
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#include "clang/Tooling/Tooling.h"
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#include "gtest/gtest.h"
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namespace clang {
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namespace ento {
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class DiagConsumer : public PathDiagnosticConsumer {
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llvm::raw_ostream &Output;
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public:
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DiagConsumer(llvm::raw_ostream &Output) : Output(Output) {}
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void FlushDiagnosticsImpl(std::vector<const PathDiagnostic *> &Diags,
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FilesMade *filesMade) override {
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for (const auto *PD : Diags)
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Output << PD->getCheckerName() << ":" << PD->getShortDescription() << '\n';
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}
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StringRef getName() const override { return "Test"; }
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};
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using AddCheckerFn = void(AnalysisASTConsumer &AnalysisConsumer,
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AnalyzerOptions &AnOpts);
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template <AddCheckerFn Fn1, AddCheckerFn Fn2, AddCheckerFn... Fns>
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void addChecker(AnalysisASTConsumer &AnalysisConsumer,
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AnalyzerOptions &AnOpts) {
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Fn1(AnalysisConsumer, AnOpts);
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addChecker<Fn2, Fns...>(AnalysisConsumer, AnOpts);
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}
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template <AddCheckerFn Fn1>
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void addChecker(AnalysisASTConsumer &AnalysisConsumer,
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AnalyzerOptions &AnOpts) {
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Fn1(AnalysisConsumer, AnOpts);
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}
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template <AddCheckerFn... Fns>
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class TestAction : public ASTFrontendAction {
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llvm::raw_ostream &DiagsOutput;
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public:
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TestAction(llvm::raw_ostream &DiagsOutput) : DiagsOutput(DiagsOutput) {}
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std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &Compiler,
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StringRef File) override {
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std::unique_ptr<AnalysisASTConsumer> AnalysisConsumer =
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CreateAnalysisConsumer(Compiler);
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AnalysisConsumer->AddDiagnosticConsumer(new DiagConsumer(DiagsOutput));
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addChecker<Fns...>(*AnalysisConsumer, *Compiler.getAnalyzerOpts());
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return std::move(AnalysisConsumer);
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}
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};
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inline SmallString<80> getCurrentTestNameAsFileName() {
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const ::testing::TestInfo *Info =
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::testing::UnitTest::GetInstance()->current_test_info();
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SmallString<80> FileName;
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(Twine{Info->name()} + ".cc").toVector(FileName);
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return FileName;
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}
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template <AddCheckerFn... Fns>
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bool runCheckerOnCode(const std::string &Code, std::string &Diags) {
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const SmallVectorImpl<char> &FileName = getCurrentTestNameAsFileName();
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llvm::raw_string_ostream OS(Diags);
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return tooling::runToolOnCode(std::make_unique<TestAction<Fns...>>(OS), Code,
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FileName);
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}
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template <AddCheckerFn... Fns>
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bool runCheckerOnCode(const std::string &Code) {
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std::string Diags;
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return runCheckerOnCode<Fns...>(Code, Diags);
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}
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template <AddCheckerFn... Fns>
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bool runCheckerOnCodeWithArgs(const std::string &Code,
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const std::vector<std::string> &Args,
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std::string &Diags) {
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const SmallVectorImpl<char> &FileName = getCurrentTestNameAsFileName();
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llvm::raw_string_ostream OS(Diags);
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return tooling::runToolOnCodeWithArgs(
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std::make_unique<TestAction<Fns...>>(OS), Code, Args, FileName);
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}
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template <AddCheckerFn... Fns>
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bool runCheckerOnCodeWithArgs(const std::string &Code,
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const std::vector<std::string> &Args) {
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std::string Diags;
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return runCheckerOnCodeWithArgs<Fns...>(Code, Args, Diags);
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}
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} // namespace ento
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} // namespace clang
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