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[analyzer] NFC: Make reusable unittest mocks reusable.
Put them in a header for other Analyzer unittests to include. Differential Revision: https://reviews.llvm.org/D60739 llvm-svn: 358720
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//===- unittests/StaticAnalyzer/Reusables.h -------------------------------===// | ||
// | ||
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||
// See https://llvm.org/LICENSE.txt for license information. | ||
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
// | ||
//===----------------------------------------------------------------------===// | ||
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#include "clang/ASTMatchers/ASTMatchFinder.h" | ||
#include "clang/Frontend/CompilerInstance.h" | ||
#include "clang/CrossTU/CrossTranslationUnit.h" | ||
#include "clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h" | ||
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namespace clang { | ||
namespace ento { | ||
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// Find a declaration in the current AST by name. | ||
template <typename T> | ||
const T *findDeclByName(const Decl *Where, StringRef Name) { | ||
using namespace ast_matchers; | ||
auto Matcher = decl(hasDescendant(namedDecl(hasName(Name)).bind("d"))); | ||
auto Matches = match(Matcher, *Where, Where->getASTContext()); | ||
assert(Matches.size() == 1 && "Ambiguous name!"); | ||
const T *Node = selectFirst<T>("d", Matches); | ||
assert(Node && "Name not found!"); | ||
return Node; | ||
} | ||
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// A re-usable consumer that constructs ExprEngine out of CompilerInvocation. | ||
class ExprEngineConsumer : public ASTConsumer { | ||
protected: | ||
CompilerInstance &C; | ||
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private: | ||
// We need to construct all of these in order to construct ExprEngine. | ||
CheckerManager ChkMgr; | ||
cross_tu::CrossTranslationUnitContext CTU; | ||
PathDiagnosticConsumers Consumers; | ||
AnalysisManager AMgr; | ||
SetOfConstDecls VisitedCallees; | ||
FunctionSummariesTy FS; | ||
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protected: | ||
ExprEngine Eng; | ||
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public: | ||
ExprEngineConsumer(CompilerInstance &C) | ||
: C(C), ChkMgr(C.getASTContext(), *C.getAnalyzerOpts()), CTU(C), | ||
Consumers(), | ||
AMgr(C.getASTContext(), C.getDiagnostics(), Consumers, | ||
CreateRegionStoreManager, CreateRangeConstraintManager, &ChkMgr, | ||
*C.getAnalyzerOpts()), | ||
VisitedCallees(), FS(), | ||
Eng(CTU, AMgr, &VisitedCallees, &FS, ExprEngine::Inline_Regular) {} | ||
}; | ||
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} // namespace ento | ||
} // namespace clang |
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