| 1 | //===----------------------------------------------------------------------===// |
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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 "CheckerRegistration.h" |
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| 10 | #include "clang/StaticAnalyzer/Core/Checker.h" |
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| 11 | #include "clang/StaticAnalyzer/Core/PathSensitive/CallDescription.h" |
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| 12 | #include "clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h" |
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| 13 | #include "clang/StaticAnalyzer/Frontend/CheckerRegistry.h" |
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| 14 | #include "gtest/gtest.h" |
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| 15 | |
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| 16 | using namespace clang; |
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| 17 | using namespace ento; |
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| 18 | |
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| 19 | namespace { |
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| 20 | class EvalCallBase : public Checker<eval::Call> { |
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| 21 | const CallDescription Foo = {CDM::SimpleFunc, {"foo" }, 0}; |
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| 22 | |
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| 23 | public: |
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| 24 | bool evalCall(const CallEvent &Call, CheckerContext &C) const { |
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| 25 | return Foo.matches(Call); |
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| 26 | } |
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| 27 | }; |
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| 28 | |
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| 29 | class EvalCallFoo1 : public EvalCallBase {}; |
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| 30 | class EvalCallFoo2 : public EvalCallBase {}; |
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| 31 | void addEvalFooCheckers(AnalysisASTConsumer &AnalysisConsumer, |
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| 32 | AnalyzerOptions &AnOpts) { |
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| 33 | AnOpts.CheckersAndPackages = {{"test.EvalFoo1" , true}, |
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| 34 | {"test.EvalFoo2" , true}}; |
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| 35 | AnalysisConsumer.AddCheckerRegistrationFn(Fn: [](CheckerRegistry &Registry) { |
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| 36 | Registry.addChecker<EvalCallFoo1>(FullName: "test.EvalFoo1" , Desc: "EmptyDescription" , |
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| 37 | DocsUri: "EmptyDocsUri" ); |
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| 38 | Registry.addChecker<EvalCallFoo2>(FullName: "test.EvalFoo2" , Desc: "EmptyDescription" , |
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| 39 | DocsUri: "EmptyDocsUri" ); |
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| 40 | }); |
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| 41 | } |
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| 42 | } // namespace |
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| 43 | |
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| 44 | TEST(EvalCall, DetectConflictingEvalCalls) { |
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| 45 | #ifdef NDEBUG |
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| 46 | GTEST_SKIP() << "This test is only available for debug builds." ; |
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| 47 | #endif |
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| 48 | const std::string Code = R"code( |
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| 49 | void foo(); |
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| 50 | void top() { |
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| 51 | foo(); // crash |
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| 52 | } |
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| 53 | )code" ; |
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| 54 | constexpr auto Regex = |
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| 55 | "The 'foo\\(\\)' call has been already evaluated by the test\\.EvalFoo1 " |
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| 56 | "checker, while the test\\.EvalFoo2 checker also tried to evaluate the " |
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| 57 | "same call\\. At most one checker supposed to evaluate a call\\." ; |
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| 58 | ASSERT_DEATH(runCheckerOnCode<addEvalFooCheckers>(Code), Regex); |
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| 59 | } |
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| 60 | |
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