Coverage Report

Created: 2021-08-24 07:12

/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/lib/ASTMatchers/ASTMatchersInternal.cpp
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//===- ASTMatchersInternal.cpp - Structural query framework ---------------===//
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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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//
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//  Implements the base layer of the matcher framework.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/ASTMatchers/ASTMatchersInternal.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/AST/ASTTypeTraits.h"
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#include "clang/AST/Decl.h"
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#include "clang/AST/DeclTemplate.h"
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#include "clang/AST/ParentMapContext.h"
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#include "clang/AST/PrettyPrinter.h"
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#include "clang/ASTMatchers/ASTMatchers.h"
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#include "clang/Basic/LLVM.h"
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#include "clang/Lex/Lexer.h"
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/IntrusiveRefCntPtr.h"
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#include "llvm/ADT/None.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/ManagedStatic.h"
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#include "llvm/Support/Regex.h"
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#include "llvm/Support/WithColor.h"
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#include "llvm/Support/raw_ostream.h"
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#include <algorithm>
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#include <cassert>
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#include <cstddef>
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#include <string>
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#include <utility>
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#include <vector>
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namespace clang {
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namespace ast_matchers {
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AST_MATCHER_P(ObjCMessageExpr, hasAnySelectorMatcher, std::vector<std::string>,
46
59
              Matches) {
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  return llvm::is_contained(Matches, Node.getSelector().getAsString());
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59
}
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namespace internal {
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static bool notUnaryOperator(const DynTypedNode &DynNode,
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                             ASTMatchFinder *Finder,
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                             BoundNodesTreeBuilder *Builder,
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                             ArrayRef<DynTypedMatcher> InnerMatchers);
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static bool allOfVariadicOperator(const DynTypedNode &DynNode,
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                                  ASTMatchFinder *Finder,
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                                  BoundNodesTreeBuilder *Builder,
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                                  ArrayRef<DynTypedMatcher> InnerMatchers);
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static bool eachOfVariadicOperator(const DynTypedNode &DynNode,
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                                   ASTMatchFinder *Finder,
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                                   BoundNodesTreeBuilder *Builder,
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                                   ArrayRef<DynTypedMatcher> InnerMatchers);
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static bool anyOfVariadicOperator(const DynTypedNode &DynNode,
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                                  ASTMatchFinder *Finder,
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                                  BoundNodesTreeBuilder *Builder,
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                                  ArrayRef<DynTypedMatcher> InnerMatchers);
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static bool optionallyVariadicOperator(const DynTypedNode &DynNode,
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                                       ASTMatchFinder *Finder,
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                                       BoundNodesTreeBuilder *Builder,
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                                       ArrayRef<DynTypedMatcher> InnerMatchers);
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bool matchesAnyBase(const CXXRecordDecl &Node,
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                    const Matcher<CXXBaseSpecifier> &BaseSpecMatcher,
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1.72k
                    ASTMatchFinder *Finder, BoundNodesTreeBuilder *Builder) {
80
1.72k
  if (!Node.hasDefinition())
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1.02k
    return false;
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  CXXBasePaths Paths;
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  Paths.setOrigin(&Node);
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  const auto basePredicate =
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      [Finder, Builder, &BaseSpecMatcher](const CXXBaseSpecifier *BaseSpec,
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704
                                          CXXBasePath &IgnoredParam) {
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402
        BoundNodesTreeBuilder Result(*Builder);
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402
        if (BaseSpecMatcher.matches(*BaseSpec, Finder, Builder)) {
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          *Builder = std::move(Result);
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          return true;
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        }
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        return false;
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402
      };
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  return Node.lookupInBases(basePredicate, Paths,
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704
                            /*LookupInDependent =*/true);
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1.72k
}
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32.3k
void BoundNodesTreeBuilder::visitMatches(Visitor *ResultVisitor) {
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32.3k
  if (Bindings.empty())
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20.4k
    Bindings.push_back(BoundNodesMap());
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32.7k
  for (BoundNodesMap &Binding : Bindings) {
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32.7k
    ResultVisitor->visitMatch(BoundNodes(Binding));
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32.7k
  }
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32.3k
}
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namespace {
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using VariadicOperatorFunction = bool (*)(
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    const DynTypedNode &DynNode, ASTMatchFinder *Finder,
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    BoundNodesTreeBuilder *Builder, ArrayRef<DynTypedMatcher> InnerMatchers);
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template <VariadicOperatorFunction Func>
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class VariadicMatcher : public DynMatcherInterface {
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public:
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  VariadicMatcher(std::vector<DynTypedMatcher> InnerMatchers)
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197k
      : InnerMatchers(std::move(InnerMatchers)) {}
ASTMatchersInternal.cpp:clang::ast_matchers::internal::(anonymous namespace)::VariadicMatcher<&(clang::ast_matchers::internal::allOfVariadicOperator(clang::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*, llvm::ArrayRef<clang::ast_matchers::internal::DynTypedMatcher>))>::VariadicMatcher(std::__1::vector<clang::ast_matchers::internal::DynTypedMatcher, std::__1::allocator<clang::ast_matchers::internal::DynTypedMatcher> >)
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Source
119
74.2k
      : InnerMatchers(std::move(InnerMatchers)) {}
ASTMatchersInternal.cpp:clang::ast_matchers::internal::(anonymous namespace)::VariadicMatcher<&(clang::ast_matchers::internal::anyOfVariadicOperator(clang::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*, llvm::ArrayRef<clang::ast_matchers::internal::DynTypedMatcher>))>::VariadicMatcher(std::__1::vector<clang::ast_matchers::internal::DynTypedMatcher, std::__1::allocator<clang::ast_matchers::internal::DynTypedMatcher> >)
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119
93.0k
      : InnerMatchers(std::move(InnerMatchers)) {}
ASTMatchersInternal.cpp:clang::ast_matchers::internal::(anonymous namespace)::VariadicMatcher<&(clang::ast_matchers::internal::eachOfVariadicOperator(clang::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*, llvm::ArrayRef<clang::ast_matchers::internal::DynTypedMatcher>))>::VariadicMatcher(std::__1::vector<clang::ast_matchers::internal::DynTypedMatcher, std::__1::allocator<clang::ast_matchers::internal::DynTypedMatcher> >)
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Source
119
2.31k
      : InnerMatchers(std::move(InnerMatchers)) {}
ASTMatchersInternal.cpp:clang::ast_matchers::internal::(anonymous namespace)::VariadicMatcher<&(clang::ast_matchers::internal::optionallyVariadicOperator(clang::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*, llvm::ArrayRef<clang::ast_matchers::internal::DynTypedMatcher>))>::VariadicMatcher(std::__1::vector<clang::ast_matchers::internal::DynTypedMatcher, std::__1::allocator<clang::ast_matchers::internal::DynTypedMatcher> >)
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119
43
      : InnerMatchers(std::move(InnerMatchers)) {}
ASTMatchersInternal.cpp:clang::ast_matchers::internal::(anonymous namespace)::VariadicMatcher<&(clang::ast_matchers::internal::notUnaryOperator(clang::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*, llvm::ArrayRef<clang::ast_matchers::internal::DynTypedMatcher>))>::VariadicMatcher(std::__1::vector<clang::ast_matchers::internal::DynTypedMatcher, std::__1::allocator<clang::ast_matchers::internal::DynTypedMatcher> >)
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28.2k
      : InnerMatchers(std::move(InnerMatchers)) {}
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  bool dynMatches(const DynTypedNode &DynNode, ASTMatchFinder *Finder,
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                  BoundNodesTreeBuilder *Builder) const override {
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149k
    return Func(DynNode, Finder, Builder, InnerMatchers);
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  }
ASTMatchersInternal.cpp:clang::ast_matchers::internal::(anonymous namespace)::VariadicMatcher<&(clang::ast_matchers::internal::allOfVariadicOperator(clang::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*, llvm::ArrayRef<clang::ast_matchers::internal::DynTypedMatcher>))>::dynMatches(clang::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const
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122
61.0k
                  BoundNodesTreeBuilder *Builder) const override {
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61.0k
    return Func(DynNode, Finder, Builder, InnerMatchers);
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61.0k
  }
ASTMatchersInternal.cpp:clang::ast_matchers::internal::(anonymous namespace)::VariadicMatcher<&(clang::ast_matchers::internal::anyOfVariadicOperator(clang::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*, llvm::ArrayRef<clang::ast_matchers::internal::DynTypedMatcher>))>::dynMatches(clang::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const
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Source
122
80.1k
                  BoundNodesTreeBuilder *Builder) const override {
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80.1k
    return Func(DynNode, Finder, Builder, InnerMatchers);
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80.1k
  }
ASTMatchersInternal.cpp:clang::ast_matchers::internal::(anonymous namespace)::VariadicMatcher<&(clang::ast_matchers::internal::eachOfVariadicOperator(clang::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*, llvm::ArrayRef<clang::ast_matchers::internal::DynTypedMatcher>))>::dynMatches(clang::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const
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Count
Source
122
2.49k
                  BoundNodesTreeBuilder *Builder) const override {
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2.49k
    return Func(DynNode, Finder, Builder, InnerMatchers);
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2.49k
  }
ASTMatchersInternal.cpp:clang::ast_matchers::internal::(anonymous namespace)::VariadicMatcher<&(clang::ast_matchers::internal::optionallyVariadicOperator(clang::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*, llvm::ArrayRef<clang::ast_matchers::internal::DynTypedMatcher>))>::dynMatches(clang::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const
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                  BoundNodesTreeBuilder *Builder) const override {
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    return Func(DynNode, Finder, Builder, InnerMatchers);
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  }
ASTMatchersInternal.cpp:clang::ast_matchers::internal::(anonymous namespace)::VariadicMatcher<&(clang::ast_matchers::internal::notUnaryOperator(clang::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*, llvm::ArrayRef<clang::ast_matchers::internal::DynTypedMatcher>))>::dynMatches(clang::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const
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Source
122
5.31k
                  BoundNodesTreeBuilder *Builder) const override {
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5.31k
    return Func(DynNode, Finder, Builder, InnerMatchers);
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5.31k
  }
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private:
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  std::vector<DynTypedMatcher> InnerMatchers;
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};
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class IdDynMatcher : public DynMatcherInterface {
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public:
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  IdDynMatcher(StringRef ID,
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               IntrusiveRefCntPtr<DynMatcherInterface> InnerMatcher)
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20.7k
      : ID(ID), InnerMatcher(std::move(InnerMatcher)) {}
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  bool dynMatches(const DynTypedNode &DynNode, ASTMatchFinder *Finder,
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                  BoundNodesTreeBuilder *Builder) const override {
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49.8k
    bool Result = InnerMatcher->dynMatches(DynNode, Finder, Builder);
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49.8k
    if (Result) 
Builder->setBinding(ID, DynNode)14.9k
;
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    return Result;
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49.8k
  }
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163k
  llvm::Optional<clang::TraversalKind> TraversalKind() const override {
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163k
    return InnerMatcher->TraversalKind();
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  }
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private:
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  const std::string ID;
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  const IntrusiveRefCntPtr<DynMatcherInterface> InnerMatcher;
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};
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/// A matcher that always returns true.
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class TrueMatcherImpl : public DynMatcherInterface {
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public:
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2.96k
  TrueMatcherImpl() = default;
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  bool dynMatches(const DynTypedNode &, ASTMatchFinder *,
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10.2k
                  BoundNodesTreeBuilder *) const override {
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10.2k
    return true;
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10.2k
  }
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};
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/// A matcher that specifies a particular \c TraversalKind.
164
///
165
/// The kind provided to the constructor overrides any kind that may be
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/// specified by the `InnerMatcher`.
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class DynTraversalMatcherImpl : public DynMatcherInterface {
168
public:
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  explicit DynTraversalMatcherImpl(
170
      clang::TraversalKind TK,
171
      IntrusiveRefCntPtr<DynMatcherInterface> InnerMatcher)
172
163
      : TK(TK), InnerMatcher(std::move(InnerMatcher)) {}
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  bool dynMatches(const DynTypedNode &DynNode, ASTMatchFinder *Finder,
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2.11k
                  BoundNodesTreeBuilder *Builder) const override {
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2.11k
    return this->InnerMatcher->dynMatches(DynNode, Finder, Builder);
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2.11k
  }
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4.81k
  llvm::Optional<clang::TraversalKind> TraversalKind() const override {
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4.81k
    return TK;
181
4.81k
  }
182
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private:
184
  clang::TraversalKind TK;
185
  IntrusiveRefCntPtr<DynMatcherInterface> InnerMatcher;
186
};
187
188
} // namespace
189
190
1.57M
bool ASTMatchFinder::isTraversalIgnoringImplicitNodes() const {
191
1.57M
  return getASTContext().getParentMapContext().getTraversalKind() ==
192
1.57M
         TK_IgnoreUnlessSpelledInSource;
193
1.57M
}
194
195
DynTypedMatcher
196
DynTypedMatcher::constructVariadic(DynTypedMatcher::VariadicOperator Op,
197
                                   ASTNodeKind SupportedKind,
198
197k
                                   std::vector<DynTypedMatcher> InnerMatchers) {
199
197k
  assert(!InnerMatchers.empty() && "Array must not be empty.");
200
0
  assert(llvm::all_of(InnerMatchers,
201
197k
                      [SupportedKind](const DynTypedMatcher &M) {
202
197k
                        return M.canConvertTo(SupportedKind);
203
197k
                      }) &&
204
197k
         "InnerMatchers must be convertible to SupportedKind!");
205
206
  // We must relax the restrict kind here.
207
  // The different operators might deal differently with a mismatch.
208
  // Make it the same as SupportedKind, since that is the broadest type we are
209
  // allowed to accept.
210
0
  auto RestrictKind = SupportedKind;
211
212
197k
  switch (Op) {
213
74.2k
  case VO_AllOf:
214
    // In the case of allOf() we must pass all the checks, so making
215
    // RestrictKind the most restrictive can save us time. This way we reject
216
    // invalid types earlier and we can elide the kind checks inside the
217
    // matcher.
218
155k
    for (auto &IM : InnerMatchers) {
219
155k
      RestrictKind =
220
155k
          ASTNodeKind::getMostDerivedType(RestrictKind, IM.RestrictKind);
221
155k
    }
222
74.2k
    return DynTypedMatcher(
223
74.2k
        SupportedKind, RestrictKind,
224
74.2k
        new VariadicMatcher<allOfVariadicOperator>(std::move(InnerMatchers)));
225
226
93.0k
  case VO_AnyOf:
227
93.0k
    return DynTypedMatcher(
228
93.0k
        SupportedKind, RestrictKind,
229
93.0k
        new VariadicMatcher<anyOfVariadicOperator>(std::move(InnerMatchers)));
230
231
2.31k
  case VO_EachOf:
232
2.31k
    return DynTypedMatcher(
233
2.31k
        SupportedKind, RestrictKind,
234
2.31k
        new VariadicMatcher<eachOfVariadicOperator>(std::move(InnerMatchers)));
235
236
43
  case VO_Optionally:
237
43
    return DynTypedMatcher(SupportedKind, RestrictKind,
238
43
                           new VariadicMatcher<optionallyVariadicOperator>(
239
43
                               std::move(InnerMatchers)));
240
241
28.2k
  case VO_UnaryNot:
242
    // FIXME: Implement the Not operator to take a single matcher instead of a
243
    // vector.
244
28.2k
    return DynTypedMatcher(
245
28.2k
        SupportedKind, RestrictKind,
246
28.2k
        new VariadicMatcher<notUnaryOperator>(std::move(InnerMatchers)));
247
197k
  }
248
0
  llvm_unreachable("Invalid Op value.");
249
0
}
250
251
DynTypedMatcher
252
DynTypedMatcher::constructRestrictedWrapper(const DynTypedMatcher &InnerMatcher,
253
1.64k
                                            ASTNodeKind RestrictKind) {
254
1.64k
  DynTypedMatcher Copy = InnerMatcher;
255
1.64k
  Copy.RestrictKind = RestrictKind;
256
1.64k
  return Copy;
257
1.64k
}
258
259
163
DynTypedMatcher DynTypedMatcher::withTraversalKind(TraversalKind TK) {
260
163
  auto Copy = *this;
261
163
  Copy.Implementation =
262
163
      new DynTraversalMatcherImpl(TK, std::move(Copy.Implementation));
263
163
  return Copy;
264
163
}
265
266
29.5k
DynTypedMatcher DynTypedMatcher::trueMatcher(ASTNodeKind NodeKind) {
267
  // We only ever need one instance of TrueMatcherImpl, so we create a static
268
  // instance and reuse it to reduce the overhead of the matcher and increase
269
  // the chance of cache hits.
270
29.5k
  static const llvm::IntrusiveRefCntPtr<TrueMatcherImpl> Instance =
271
29.5k
      new TrueMatcherImpl();
272
29.5k
  return DynTypedMatcher(NodeKind, NodeKind, Instance);
273
29.5k
}
274
275
269k
bool DynTypedMatcher::canMatchNodesOfKind(ASTNodeKind Kind) const {
276
269k
  return RestrictKind.isBaseOf(Kind);
277
269k
}
278
279
901k
DynTypedMatcher DynTypedMatcher::dynCastTo(const ASTNodeKind Kind) const {
280
901k
  auto Copy = *this;
281
901k
  Copy.SupportedKind = Kind;
282
901k
  Copy.RestrictKind = ASTNodeKind::getMostDerivedType(Kind, RestrictKind);
283
901k
  return Copy;
284
901k
}
285
286
bool DynTypedMatcher::matches(const DynTypedNode &DynNode,
287
                              ASTMatchFinder *Finder,
288
688k
                              BoundNodesTreeBuilder *Builder) const {
289
688k
  TraversalKindScope RAII(Finder->getASTContext(),
290
688k
                          Implementation->TraversalKind());
291
292
688k
  if (Finder->isTraversalIgnoringImplicitNodes() &&
293
688k
      
Finder->IsMatchingInASTNodeNotSpelledInSource()56.0k
)
294
2.26k
    return false;
295
296
686k
  if (!Finder->isTraversalIgnoringImplicitNodes() &&
297
686k
      
Finder->IsMatchingInASTNodeNotAsIs()632k
)
298
173
    return false;
299
300
686k
  auto N =
301
686k
      Finder->getASTContext().getParentMapContext().traverseIgnored(DynNode);
302
303
686k
  if (RestrictKind.isBaseOf(N.getNodeKind()) &&
304
686k
      
Implementation->dynMatches(N, Finder, Builder)351k
) {
305
86.3k
    return true;
306
86.3k
  }
307
  // Delete all bindings when a matcher does not match.
308
  // This prevents unexpected exposure of bound nodes in unmatches
309
  // branches of the match tree.
310
600k
  Builder->removeBindings([](const BoundNodesMap &) 
{ return true; }30.6k
);
311
600k
  return false;
312
686k
}
313
314
bool DynTypedMatcher::matchesNoKindCheck(const DynTypedNode &DynNode,
315
                                         ASTMatchFinder *Finder,
316
83.9k
                                         BoundNodesTreeBuilder *Builder) const {
317
83.9k
  TraversalKindScope raii(Finder->getASTContext(),
318
83.9k
                          Implementation->TraversalKind());
319
320
83.9k
  if (Finder->isTraversalIgnoringImplicitNodes() &&
321
83.9k
      
Finder->IsMatchingInASTNodeNotSpelledInSource()4.42k
)
322
0
    return false;
323
324
83.9k
  if (!Finder->isTraversalIgnoringImplicitNodes() &&
325
83.9k
      
Finder->IsMatchingInASTNodeNotAsIs()79.5k
)
326
0
    return false;
327
328
83.9k
  auto N =
329
83.9k
      Finder->getASTContext().getParentMapContext().traverseIgnored(DynNode);
330
331
83.9k
  assert(RestrictKind.isBaseOf(N.getNodeKind()));
332
83.9k
  if (Implementation->dynMatches(N, Finder, Builder)) {
333
34.3k
    return true;
334
34.3k
  }
335
  // Delete all bindings when a matcher does not match.
336
  // This prevents unexpected exposure of bound nodes in unmatches
337
  // branches of the match tree.
338
49.6k
  Builder->removeBindings([](const BoundNodesMap &) 
{ return true; }343
);
339
49.6k
  return false;
340
83.9k
}
341
342
20.7k
llvm::Optional<DynTypedMatcher> DynTypedMatcher::tryBind(StringRef ID) const {
343
20.7k
  if (!AllowBind) 
return llvm::None0
;
344
20.7k
  auto Result = *this;
345
20.7k
  Result.Implementation =
346
20.7k
      new IdDynMatcher(ID, std::move(Result.Implementation));
347
20.7k
  return std::move(Result);
348
20.7k
}
349
350
455k
bool DynTypedMatcher::canConvertTo(ASTNodeKind To) const {
351
455k
  const auto From = getSupportedKind();
352
455k
  auto QualKind = ASTNodeKind::getFromNodeKind<QualType>();
353
455k
  auto TypeKind = ASTNodeKind::getFromNodeKind<Type>();
354
  /// Mimic the implicit conversions of Matcher<>.
355
  /// - From Matcher<Type> to Matcher<QualType>
356
455k
  if (From.isSame(TypeKind) && 
To.isSame(QualKind)2.16k
)
return true1.43k
;
357
  /// - From Matcher<Base> to Matcher<Derived>
358
454k
  return From.isBaseOf(To);
359
455k
}
360
361
5.82k
void BoundNodesTreeBuilder::addMatch(const BoundNodesTreeBuilder &Other) {
362
5.82k
  Bindings.append(Other.Bindings.begin(), Other.Bindings.end());
363
5.82k
}
364
365
static bool notUnaryOperator(const DynTypedNode &DynNode,
366
                             ASTMatchFinder *Finder,
367
                             BoundNodesTreeBuilder *Builder,
368
5.31k
                             ArrayRef<DynTypedMatcher> InnerMatchers) {
369
5.31k
  if (InnerMatchers.size() != 1)
370
0
    return false;
371
372
  // The 'unless' matcher will always discard the result:
373
  // If the inner matcher doesn't match, unless returns true,
374
  // but the inner matcher cannot have bound anything.
375
  // If the inner matcher matches, the result is false, and
376
  // any possible binding will be discarded.
377
  // We still need to hand in all the bound nodes up to this
378
  // point so the inner matcher can depend on bound nodes,
379
  // and we need to actively discard the bound nodes, otherwise
380
  // the inner matcher will reset the bound nodes if it doesn't
381
  // match, but this would be inversed by 'unless'.
382
5.31k
  BoundNodesTreeBuilder Discard(*Builder);
383
5.31k
  return !InnerMatchers[0].matches(DynNode, Finder, &Discard);
384
5.31k
}
385
386
static bool allOfVariadicOperator(const DynTypedNode &DynNode,
387
                                  ASTMatchFinder *Finder,
388
                                  BoundNodesTreeBuilder *Builder,
389
61.0k
                                  ArrayRef<DynTypedMatcher> InnerMatchers) {
390
  // allOf leads to one matcher for each alternative in the first
391
  // matcher combined with each alternative in the second matcher.
392
  // Thus, we can reuse the same Builder.
393
83.9k
  return llvm::all_of(InnerMatchers, [&](const DynTypedMatcher &InnerMatcher) {
394
83.9k
    return InnerMatcher.matchesNoKindCheck(DynNode, Finder, Builder);
395
83.9k
  });
396
61.0k
}
397
398
static bool eachOfVariadicOperator(const DynTypedNode &DynNode,
399
                                   ASTMatchFinder *Finder,
400
                                   BoundNodesTreeBuilder *Builder,
401
2.49k
                                   ArrayRef<DynTypedMatcher> InnerMatchers) {
402
2.49k
  BoundNodesTreeBuilder Result;
403
2.49k
  bool Matched = false;
404
4.99k
  for (const DynTypedMatcher &InnerMatcher : InnerMatchers) {
405
4.99k
    BoundNodesTreeBuilder BuilderInner(*Builder);
406
4.99k
    if (InnerMatcher.matches(DynNode, Finder, &BuilderInner)) {
407
406
      Matched = true;
408
406
      Result.addMatch(BuilderInner);
409
406
    }
410
4.99k
  }
411
2.49k
  *Builder = std::move(Result);
412
2.49k
  return Matched;
413
2.49k
}
414
415
static bool anyOfVariadicOperator(const DynTypedNode &DynNode,
416
                                  ASTMatchFinder *Finder,
417
                                  BoundNodesTreeBuilder *Builder,
418
80.1k
                                  ArrayRef<DynTypedMatcher> InnerMatchers) {
419
266k
  for (const DynTypedMatcher &InnerMatcher : InnerMatchers) {
420
266k
    BoundNodesTreeBuilder Result = *Builder;
421
266k
    if (InnerMatcher.matches(DynNode, Finder, &Result)) {
422
8.02k
      *Builder = std::move(Result);
423
8.02k
      return true;
424
8.02k
    }
425
266k
  }
426
72.1k
  return false;
427
80.1k
}
428
429
static bool
430
optionallyVariadicOperator(const DynTypedNode &DynNode, ASTMatchFinder *Finder,
431
                           BoundNodesTreeBuilder *Builder,
432
238
                           ArrayRef<DynTypedMatcher> InnerMatchers) {
433
238
  if (InnerMatchers.size() != 1)
434
0
    return false;
435
436
238
  BoundNodesTreeBuilder Result(*Builder);
437
238
  if (InnerMatchers[0].matches(DynNode, Finder, &Result))
438
32
    *Builder = std::move(Result);
439
238
  return true;
440
238
}
441
442
inline static
443
958
std::vector<std::string> vectorFromRefs(ArrayRef<const StringRef *> NameRefs) {
444
958
  std::vector<std::string> Names;
445
958
  Names.reserve(NameRefs.size());
446
958
  for (auto *Name : NameRefs)
447
8.98k
    Names.emplace_back(*Name);
448
958
  return Names;
449
958
}
450
451
642
Matcher<NamedDecl> hasAnyNameFunc(ArrayRef<const StringRef *> NameRefs) {
452
642
  return internal::Matcher<NamedDecl>(
453
642
      new internal::HasNameMatcher(vectorFromRefs(NameRefs)));
454
642
}
455
456
Matcher<ObjCMessageExpr> hasAnySelectorFunc(
457
256
    ArrayRef<const StringRef *> NameRefs) {
458
256
  return hasAnySelectorMatcher(vectorFromRefs(NameRefs));
459
256
}
460
461
50
HasOpNameMatcher hasAnyOperatorNameFunc(ArrayRef<const StringRef *> NameRefs) {
462
50
  return HasOpNameMatcher(vectorFromRefs(NameRefs));
463
50
}
464
465
HasOverloadOpNameMatcher
466
10
hasAnyOverloadedOperatorNameFunc(ArrayRef<const StringRef *> NameRefs) {
467
10
  return HasOverloadOpNameMatcher(vectorFromRefs(NameRefs));
468
10
}
469
470
HasNameMatcher::HasNameMatcher(std::vector<std::string> N)
471
    : UseUnqualifiedMatch(llvm::all_of(
472
22.1k
          N, [](StringRef Name) { return Name.find("::") == Name.npos; })),
473
21.3k
      Names(std::move(N)) {
474
21.3k
#ifndef NDEBUG
475
21.3k
  for (StringRef Name : Names)
476
22.5k
    assert(!Name.empty());
477
21.3k
#endif
478
21.3k
}
479
480
287k
static bool consumeNameSuffix(StringRef &FullName, StringRef Suffix) {
481
287k
  StringRef Name = FullName;
482
287k
  if (!Name.endswith(Suffix))
483
183k
    return false;
484
103k
  Name = Name.drop_back(Suffix.size());
485
103k
  if (!Name.empty()) {
486
7.04k
    if (!Name.endswith("::"))
487
390
      return false;
488
6.65k
    Name = Name.drop_back(2);
489
6.65k
  }
490
103k
  FullName = Name;
491
103k
  return true;
492
103k
}
493
494
static StringRef getNodeName(const NamedDecl &Node,
495
280k
                             llvm::SmallString<128> &Scratch) {
496
  // Simple name.
497
280k
  if (Node.getIdentifier())
498
260k
    return Node.getName();
499
500
19.9k
  if (Node.getDeclName()) {
501
    // Name needs to be constructed.
502
9.68k
    Scratch.clear();
503
9.68k
    llvm::raw_svector_ostream OS(Scratch);
504
9.68k
    Node.printName(OS);
505
9.68k
    return OS.str();
506
9.68k
  }
507
508
10.3k
  return "(anonymous)";
509
19.9k
}
510
511
static StringRef getNodeName(const RecordDecl &Node,
512
2.14k
                             llvm::SmallString<128> &Scratch) {
513
2.14k
  if (Node.getIdentifier()) {
514
1.90k
    return Node.getName();
515
1.90k
  }
516
240
  Scratch.clear();
517
240
  return ("(anonymous " + Node.getKindName() + ")").toStringRef(Scratch);
518
2.14k
}
519
520
static StringRef getNodeName(const NamespaceDecl &Node,
521
2.18k
                             llvm::SmallString<128> &Scratch) {
522
2.18k
  return Node.isAnonymousNamespace() ? 
"(anonymous namespace)"160
:
Node.getName()2.02k
;
523
2.18k
}
524
525
namespace {
526
527
class PatternSet {
528
public:
529
145k
  PatternSet(ArrayRef<std::string> Names) {
530
145k
    Patterns.reserve(Names.size());
531
145k
    for (StringRef Name : Names)
532
146k
      Patterns.push_back({Name, Name.startswith("::")});
533
145k
  }
534
535
  /// Consumes the name suffix from each pattern in the set and removes the ones
536
  /// that didn't match.
537
  /// Return true if there are still any patterns left.
538
149k
  bool consumeNameSuffix(StringRef NodeName, bool CanSkip) {
539
301k
    for (size_t I = 0; I < Patterns.size();) {
540
151k
      if (::clang::ast_matchers::internal::consumeNameSuffix(Patterns[I].P,
541
151k
                                                             NodeName) ||
542
151k
          
CanSkip96.1k
) {
543
55.5k
        ++I;
544
96.0k
      } else {
545
96.0k
        Patterns.erase(Patterns.begin() + I);
546
96.0k
      }
547
151k
    }
548
149k
    return !Patterns.empty();
549
149k
  }
550
551
  /// Check if any of the patterns are a match.
552
  /// A match will be a pattern that was fully consumed, that also matches the
553
  /// 'fully qualified' requirement.
554
55.2k
  bool foundMatch(bool AllowFullyQualified) const {
555
55.5k
    return llvm::any_of(Patterns, [&](const Pattern &Pattern) {
556
55.5k
      return Pattern.P.empty() &&
557
55.5k
             
(51.2k
AllowFullyQualified51.2k
||
!Pattern.IsFullyQualified18.3k
);
558
55.5k
    });
559
55.2k
  }
560
561
private:
562
  struct Pattern {
563
    StringRef P;
564
    bool IsFullyQualified;
565
  };
566
567
  llvm::SmallVector<Pattern, 8> Patterns;
568
};
569
570
} // namespace
571
572
135k
bool HasNameMatcher::matchesNodeUnqualified(const NamedDecl &Node) const {
573
135k
  assert(UseUnqualifiedMatch);
574
0
  llvm::SmallString<128> Scratch;
575
135k
  StringRef NodeName = getNodeName(Node, Scratch);
576
135k
  return llvm::any_of(Names, [&](StringRef Name) {
577
135k
    return consumeNameSuffix(Name, NodeName) && 
Name.empty()48.0k
;
578
135k
  });
579
135k
}
580
581
145k
bool HasNameMatcher::matchesNodeFullFast(const NamedDecl &Node) const {
582
145k
  PatternSet Patterns(Names);
583
145k
  llvm::SmallString<128> Scratch;
584
585
  // This function is copied and adapted from NamedDecl::printQualifiedName()
586
  // By matching each part individually we optimize in a couple of ways:
587
  //  - We can exit early on the first failure.
588
  //  - We can skip inline/anonymous namespaces without another pass.
589
  //  - We print one name at a time, reducing the chance of overflowing the
590
  //    inlined space of the SmallString.
591
592
  // First, match the name.
593
145k
  if (!Patterns.consumeNameSuffix(getNodeName(Node, Scratch),
594
145k
                                  /*CanSkip=*/false))
595
93.3k
    return false;
596
597
  // Try to match each declaration context.
598
  // We are allowed to skip anonymous and inline namespaces if they don't match.
599
52.1k
  const DeclContext *Ctx = Node.getDeclContext();
600
601
52.1k
  if (Ctx->isFunctionOrMethod())
602
4.58k
    return Patterns.foundMatch(/*AllowFullyQualified=*/false);
603
604
51.0k
  
for (; 47.5k
Ctx;
Ctx = Ctx->getParent()3.40k
) {
605
    // Linkage Spec can just be ignored
606
    // FIXME: Any other DeclContext kinds that can be safely disregarded
607
51.0k
    if (isa<LinkageSpecDecl>(Ctx))
608
330
      continue;
609
50.6k
    if (!isa<NamedDecl>(Ctx))
610
33.0k
      break;
611
17.6k
    if (Patterns.foundMatch(/*AllowFullyQualified=*/false))
612
12.8k
      return true;
613
614
4.76k
    if (const auto *ND = dyn_cast<NamespaceDecl>(Ctx)) {
615
      // If it matches (or we can skip it), continue.
616
2.18k
      if (Patterns.consumeNameSuffix(getNodeName(*ND, Scratch),
617
2.18k
                                     /*CanSkip=*/ND->isAnonymousNamespace() ||
618
2.18k
                                         
ND->isInline()2.02k
))
619
1.86k
        continue;
620
320
      return false;
621
2.18k
    }
622
2.58k
    if (const auto *RD = dyn_cast<RecordDecl>(Ctx)) {
623
2.46k
      if (!isa<ClassTemplateSpecializationDecl>(Ctx)) {
624
2.14k
        if (Patterns.consumeNameSuffix(getNodeName(*RD, Scratch),
625
2.14k
                                       /*CanSkip=*/false))
626
1.21k
          continue;
627
628
926
        return false;
629
2.14k
      }
630
2.46k
    }
631
632
    // We don't know how to deal with this DeclContext.
633
    // Fallback to the slow version of the code.
634
440
    return matchesNodeFullSlow(Node);
635
2.58k
  }
636
637
33.0k
  return Patterns.foundMatch(/*AllowFullyQualified=*/true);
638
47.5k
}
639
640
73.2k
bool HasNameMatcher::matchesNodeFullSlow(const NamedDecl &Node) const {
641
73.2k
  const bool SkipUnwrittenCases[] = {false, true};
642
121k
  for (bool SkipUnwritten : SkipUnwrittenCases) {
643
121k
    llvm::SmallString<128> NodeName = StringRef("::");
644
121k
    llvm::raw_svector_ostream OS(NodeName);
645
646
121k
    PrintingPolicy Policy = Node.getASTContext().getPrintingPolicy();
647
121k
    Policy.SuppressUnwrittenScope = SkipUnwritten;
648
121k
    Policy.SuppressInlineNamespace = SkipUnwritten;
649
121k
    Node.printQualifiedName(OS, Policy);
650
651
121k
    const StringRef FullName = OS.str();
652
653
122k
    for (const StringRef Pattern : Names) {
654
122k
      if (Pattern.startswith("::")) {
655
6.31k
        if (FullName == Pattern)
656
945
          return true;
657
115k
      } else if (FullName.endswith(Pattern) &&
658
115k
                 
FullName.drop_back(Pattern.size()).endswith("::")24.5k
) {
659
24.5k
        return true;
660
24.5k
      }
661
122k
    }
662
121k
  }
663
664
47.7k
  return false;
665
73.2k
}
666
667
72.7k
bool HasNameMatcher::matchesNode(const NamedDecl &Node) const {
668
72.7k
  assert(matchesNodeFullFast(Node) == matchesNodeFullSlow(Node));
669
72.7k
  if (UseUnqualifiedMatch) {
670
67.6k
    assert(matchesNodeUnqualified(Node) == matchesNodeFullFast(Node));
671
0
    return matchesNodeUnqualified(Node);
672
67.6k
  }
673
5.07k
  return matchesNodeFullFast(Node);
674
72.7k
}
675
676
// Checks whether \p Loc points to a token with source text of \p TokenText.
677
static bool isTokenAtLoc(const SourceManager &SM, const LangOptions &LangOpts,
678
1.11k
                         StringRef Text, SourceLocation Loc) {
679
1.11k
  llvm::SmallString<16> Buffer;
680
1.11k
  bool Invalid = false;
681
  // Since `Loc` may point into an expansion buffer, which has no corresponding
682
  // source, we need to look at the spelling location to read the actual source.
683
1.11k
  StringRef TokenText = Lexer::getSpelling(SM.getSpellingLoc(Loc), Buffer, SM,
684
1.11k
                                           LangOpts, &Invalid);
685
1.11k
  return !Invalid && Text == TokenText;
686
1.11k
}
687
688
llvm::Optional<SourceLocation>
689
getExpansionLocOfMacro(StringRef MacroName, SourceLocation Loc,
690
1.02k
                       const ASTContext &Context) {
691
1.02k
  auto &SM = Context.getSourceManager();
692
1.02k
  const LangOptions &LangOpts = Context.getLangOpts();
693
1.49k
  while (Loc.isMacroID()) {
694
1.25k
    SrcMgr::ExpansionInfo Expansion =
695
1.25k
        SM.getSLocEntry(SM.getFileID(Loc)).getExpansion();
696
1.25k
    if (Expansion.isMacroArgExpansion())
697
      // Check macro argument for an expansion of the given macro. For example,
698
      // `F(G(3))`, where `MacroName` is `G`.
699
278
      if (llvm::Optional<SourceLocation> ArgLoc = getExpansionLocOfMacro(
700
278
              MacroName, Expansion.getSpellingLoc(), Context))
701
144
        return ArgLoc;
702
1.11k
    Loc = Expansion.getExpansionLocStart();
703
1.11k
    if (isTokenAtLoc(SM, LangOpts, MacroName, Loc))
704
648
      return Loc;
705
1.11k
  }
706
232
  return llvm::None;
707
1.02k
}
708
709
std::shared_ptr<llvm::Regex> createAndVerifyRegex(StringRef Regex,
710
                                                  llvm::Regex::RegexFlags Flags,
711
366
                                                  StringRef MatcherID) {
712
366
  assert(!Regex.empty() && "Empty regex string");
713
0
  auto SharedRegex = std::make_shared<llvm::Regex>(Regex, Flags);
714
366
  std::string Error;
715
366
  if (!SharedRegex->isValid(Error)) {
716
1
    llvm::WithColor::error()
717
1
        << "building matcher '" << MatcherID << "': " << Error << "\n";
718
1
    llvm::WithColor::note() << " input was '" << Regex << "'\n";
719
1
  }
720
366
  return SharedRegex;
721
366
}
722
} // end namespace internal
723
724
const internal::VariadicDynCastAllOfMatcher<Stmt, ObjCAutoreleasePoolStmt>
725
    autoreleasePoolStmt;
726
const internal::VariadicDynCastAllOfMatcher<Decl, TranslationUnitDecl>
727
    translationUnitDecl;
728
const internal::VariadicDynCastAllOfMatcher<Decl, TypedefDecl> typedefDecl;
729
const internal::VariadicDynCastAllOfMatcher<Decl, TypedefNameDecl>
730
    typedefNameDecl;
731
const internal::VariadicDynCastAllOfMatcher<Decl, TypeAliasDecl> typeAliasDecl;
732
const internal::VariadicDynCastAllOfMatcher<Decl, TypeAliasTemplateDecl>
733
    typeAliasTemplateDecl;
734
const internal::VariadicAllOfMatcher<Decl> decl;
735
const internal::VariadicDynCastAllOfMatcher<Decl, DecompositionDecl> decompositionDecl;
736
const internal::VariadicDynCastAllOfMatcher<Decl, BindingDecl> bindingDecl;
737
const internal::VariadicDynCastAllOfMatcher<Decl, LinkageSpecDecl>
738
    linkageSpecDecl;
739
const internal::VariadicDynCastAllOfMatcher<Decl, NamedDecl> namedDecl;
740
const internal::VariadicDynCastAllOfMatcher<Decl, LabelDecl> labelDecl;
741
const internal::VariadicDynCastAllOfMatcher<Decl, NamespaceDecl> namespaceDecl;
742
const internal::VariadicDynCastAllOfMatcher<Decl, NamespaceAliasDecl>
743
    namespaceAliasDecl;
744
const internal::VariadicDynCastAllOfMatcher<Decl, RecordDecl> recordDecl;
745
const internal::VariadicDynCastAllOfMatcher<Decl, CXXRecordDecl> cxxRecordDecl;
746
const internal::VariadicDynCastAllOfMatcher<Decl, ClassTemplateDecl>
747
    classTemplateDecl;
748
const internal::VariadicDynCastAllOfMatcher<Decl,
749
                                            ClassTemplateSpecializationDecl>
750
    classTemplateSpecializationDecl;
751
const internal::VariadicDynCastAllOfMatcher<
752
    Decl, ClassTemplatePartialSpecializationDecl>
753
    classTemplatePartialSpecializationDecl;
754
const internal::VariadicDynCastAllOfMatcher<Decl, DeclaratorDecl>
755
    declaratorDecl;
756
const internal::VariadicDynCastAllOfMatcher<Decl, ParmVarDecl> parmVarDecl;
757
const internal::VariadicDynCastAllOfMatcher<Decl, AccessSpecDecl>
758
    accessSpecDecl;
759
const internal::VariadicAllOfMatcher<CXXBaseSpecifier> cxxBaseSpecifier;
760
const internal::VariadicAllOfMatcher<CXXCtorInitializer> cxxCtorInitializer;
761
const internal::VariadicAllOfMatcher<TemplateArgument> templateArgument;
762
const internal::VariadicAllOfMatcher<TemplateArgumentLoc> templateArgumentLoc;
763
const internal::VariadicAllOfMatcher<TemplateName> templateName;
764
const internal::VariadicDynCastAllOfMatcher<Decl, NonTypeTemplateParmDecl>
765
    nonTypeTemplateParmDecl;
766
const internal::VariadicDynCastAllOfMatcher<Decl, TemplateTypeParmDecl>
767
    templateTypeParmDecl;
768
const internal::VariadicDynCastAllOfMatcher<Decl, TemplateTemplateParmDecl>
769
    templateTemplateParmDecl;
770
771
const internal::VariadicAllOfMatcher<QualType> qualType;
772
const internal::VariadicAllOfMatcher<Type> type;
773
const internal::VariadicAllOfMatcher<TypeLoc> typeLoc;
774
const internal::VariadicDynCastAllOfMatcher<Stmt, UnaryExprOrTypeTraitExpr>
775
    unaryExprOrTypeTraitExpr;
776
const internal::VariadicDynCastAllOfMatcher<Decl, ValueDecl> valueDecl;
777
const internal::VariadicDynCastAllOfMatcher<Decl, CXXConstructorDecl>
778
    cxxConstructorDecl;
779
const internal::VariadicDynCastAllOfMatcher<Decl, CXXDestructorDecl>
780
    cxxDestructorDecl;
781
const internal::VariadicDynCastAllOfMatcher<Decl, EnumDecl> enumDecl;
782
const internal::VariadicDynCastAllOfMatcher<Decl, EnumConstantDecl>
783
    enumConstantDecl;
784
const internal::VariadicDynCastAllOfMatcher<Decl, TagDecl> tagDecl;
785
const internal::VariadicDynCastAllOfMatcher<Decl, CXXMethodDecl> cxxMethodDecl;
786
const internal::VariadicDynCastAllOfMatcher<Decl, CXXConversionDecl>
787
    cxxConversionDecl;
788
const internal::VariadicDynCastAllOfMatcher<Decl, VarDecl> varDecl;
789
const internal::VariadicDynCastAllOfMatcher<Decl, FieldDecl> fieldDecl;
790
const internal::VariadicDynCastAllOfMatcher<Decl, IndirectFieldDecl>
791
    indirectFieldDecl;
792
const internal::VariadicDynCastAllOfMatcher<Decl, FunctionDecl> functionDecl;
793
const internal::VariadicDynCastAllOfMatcher<Decl, FunctionTemplateDecl>
794
    functionTemplateDecl;
795
const internal::VariadicDynCastAllOfMatcher<Decl, FriendDecl> friendDecl;
796
const internal::VariadicAllOfMatcher<Stmt> stmt;
797
const internal::VariadicDynCastAllOfMatcher<Stmt, DeclStmt> declStmt;
798
const internal::VariadicDynCastAllOfMatcher<Stmt, MemberExpr> memberExpr;
799
const internal::VariadicDynCastAllOfMatcher<Stmt, UnresolvedMemberExpr>
800
    unresolvedMemberExpr;
801
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXDependentScopeMemberExpr>
802
    cxxDependentScopeMemberExpr;
803
const internal::VariadicDynCastAllOfMatcher<Stmt, CallExpr> callExpr;
804
const internal::VariadicDynCastAllOfMatcher<Stmt, LambdaExpr> lambdaExpr;
805
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXMemberCallExpr>
806
    cxxMemberCallExpr;
807
const internal::VariadicDynCastAllOfMatcher<Stmt, ObjCMessageExpr>
808
    objcMessageExpr;
809
const internal::VariadicDynCastAllOfMatcher<Decl, ObjCInterfaceDecl>
810
    objcInterfaceDecl;
811
const internal::VariadicDynCastAllOfMatcher<Decl, ObjCImplementationDecl>
812
    objcImplementationDecl;
813
const internal::VariadicDynCastAllOfMatcher<Decl, ObjCProtocolDecl>
814
    objcProtocolDecl;
815
const internal::VariadicDynCastAllOfMatcher<Decl, ObjCCategoryDecl>
816
    objcCategoryDecl;
817
const internal::VariadicDynCastAllOfMatcher<Decl, ObjCCategoryImplDecl>
818
    objcCategoryImplDecl;
819
const internal::VariadicDynCastAllOfMatcher<Decl, ObjCMethodDecl>
820
    objcMethodDecl;
821
const internal::VariadicDynCastAllOfMatcher<Decl, BlockDecl>
822
    blockDecl;
823
const internal::VariadicDynCastAllOfMatcher<Decl, ObjCIvarDecl> objcIvarDecl;
824
const internal::VariadicDynCastAllOfMatcher<Decl, ObjCPropertyDecl>
825
    objcPropertyDecl;
826
const internal::VariadicDynCastAllOfMatcher<Stmt, ObjCAtThrowStmt>
827
    objcThrowStmt;
828
const internal::VariadicDynCastAllOfMatcher<Stmt, ObjCAtTryStmt> objcTryStmt;
829
const internal::VariadicDynCastAllOfMatcher<Stmt, ObjCAtCatchStmt>
830
    objcCatchStmt;
831
const internal::VariadicDynCastAllOfMatcher<Stmt, ObjCAtFinallyStmt>
832
    objcFinallyStmt;
833
const internal::VariadicDynCastAllOfMatcher<Stmt, ExprWithCleanups>
834
    exprWithCleanups;
835
const internal::VariadicDynCastAllOfMatcher<Stmt, InitListExpr> initListExpr;
836
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXStdInitializerListExpr>
837
    cxxStdInitializerListExpr;
838
const internal::VariadicDynCastAllOfMatcher<Stmt, ImplicitValueInitExpr>
839
    implicitValueInitExpr;
840
const internal::VariadicDynCastAllOfMatcher<Stmt, ParenListExpr> parenListExpr;
841
const internal::VariadicDynCastAllOfMatcher<Stmt, SubstNonTypeTemplateParmExpr>
842
    substNonTypeTemplateParmExpr;
843
const internal::VariadicDynCastAllOfMatcher<Decl, UsingDecl> usingDecl;
844
const internal::VariadicDynCastAllOfMatcher<Decl, UsingEnumDecl> usingEnumDecl;
845
const internal::VariadicDynCastAllOfMatcher<Decl, UsingDirectiveDecl>
846
    usingDirectiveDecl;
847
const internal::VariadicDynCastAllOfMatcher<Stmt, UnresolvedLookupExpr>
848
    unresolvedLookupExpr;
849
const internal::VariadicDynCastAllOfMatcher<Decl, UnresolvedUsingValueDecl>
850
    unresolvedUsingValueDecl;
851
const internal::VariadicDynCastAllOfMatcher<Decl, UnresolvedUsingTypenameDecl>
852
    unresolvedUsingTypenameDecl;
853
const internal::VariadicDynCastAllOfMatcher<Stmt, ConstantExpr> constantExpr;
854
const internal::VariadicDynCastAllOfMatcher<Stmt, ParenExpr> parenExpr;
855
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXConstructExpr>
856
    cxxConstructExpr;
857
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXUnresolvedConstructExpr>
858
    cxxUnresolvedConstructExpr;
859
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXThisExpr> cxxThisExpr;
860
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXBindTemporaryExpr>
861
    cxxBindTemporaryExpr;
862
const internal::VariadicDynCastAllOfMatcher<Stmt, MaterializeTemporaryExpr>
863
    materializeTemporaryExpr;
864
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXNewExpr> cxxNewExpr;
865
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXDeleteExpr> cxxDeleteExpr;
866
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXNoexceptExpr>
867
    cxxNoexceptExpr;
868
const internal::VariadicDynCastAllOfMatcher<Stmt, ArraySubscriptExpr>
869
    arraySubscriptExpr;
870
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXDefaultArgExpr>
871
    cxxDefaultArgExpr;
872
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXOperatorCallExpr>
873
    cxxOperatorCallExpr;
874
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXRewrittenBinaryOperator>
875
    cxxRewrittenBinaryOperator;
876
const internal::VariadicDynCastAllOfMatcher<Stmt, Expr> expr;
877
const internal::VariadicDynCastAllOfMatcher<Stmt, DeclRefExpr> declRefExpr;
878
const internal::VariadicDynCastAllOfMatcher<Stmt, ObjCIvarRefExpr> objcIvarRefExpr;
879
const internal::VariadicDynCastAllOfMatcher<Stmt, BlockExpr> blockExpr;
880
const internal::VariadicDynCastAllOfMatcher<Stmt, IfStmt> ifStmt;
881
const internal::VariadicDynCastAllOfMatcher<Stmt, ForStmt> forStmt;
882
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXForRangeStmt>
883
    cxxForRangeStmt;
884
const internal::VariadicDynCastAllOfMatcher<Stmt, WhileStmt> whileStmt;
885
const internal::VariadicDynCastAllOfMatcher<Stmt, DoStmt> doStmt;
886
const internal::VariadicDynCastAllOfMatcher<Stmt, BreakStmt> breakStmt;
887
const internal::VariadicDynCastAllOfMatcher<Stmt, ContinueStmt> continueStmt;
888
const internal::VariadicDynCastAllOfMatcher<Stmt, CoreturnStmt> coreturnStmt;
889
const internal::VariadicDynCastAllOfMatcher<Stmt, ReturnStmt> returnStmt;
890
const internal::VariadicDynCastAllOfMatcher<Stmt, GotoStmt> gotoStmt;
891
const internal::VariadicDynCastAllOfMatcher<Stmt, LabelStmt> labelStmt;
892
const internal::VariadicDynCastAllOfMatcher<Stmt, AddrLabelExpr> addrLabelExpr;
893
const internal::VariadicDynCastAllOfMatcher<Stmt, SwitchStmt> switchStmt;
894
const internal::VariadicDynCastAllOfMatcher<Stmt, SwitchCase> switchCase;
895
const internal::VariadicDynCastAllOfMatcher<Stmt, CaseStmt> caseStmt;
896
const internal::VariadicDynCastAllOfMatcher<Stmt, DefaultStmt> defaultStmt;
897
const internal::VariadicDynCastAllOfMatcher<Stmt, CompoundStmt> compoundStmt;
898
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXCatchStmt> cxxCatchStmt;
899
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXTryStmt> cxxTryStmt;
900
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXThrowExpr> cxxThrowExpr;
901
const internal::VariadicDynCastAllOfMatcher<Stmt, NullStmt> nullStmt;
902
const internal::VariadicDynCastAllOfMatcher<Stmt, AsmStmt> asmStmt;
903
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXBoolLiteralExpr>
904
    cxxBoolLiteral;
905
const internal::VariadicDynCastAllOfMatcher<Stmt, StringLiteral> stringLiteral;
906
const internal::VariadicDynCastAllOfMatcher<Stmt, CharacterLiteral>
907
    characterLiteral;
908
const internal::VariadicDynCastAllOfMatcher<Stmt, IntegerLiteral>
909
    integerLiteral;
910
const internal::VariadicDynCastAllOfMatcher<Stmt, FloatingLiteral> floatLiteral;
911
const internal::VariadicDynCastAllOfMatcher<Stmt, ImaginaryLiteral> imaginaryLiteral;
912
const internal::VariadicDynCastAllOfMatcher<Stmt, FixedPointLiteral>
913
    fixedPointLiteral;
914
const internal::VariadicDynCastAllOfMatcher<Stmt, UserDefinedLiteral>
915
    userDefinedLiteral;
916
const internal::VariadicDynCastAllOfMatcher<Stmt, CompoundLiteralExpr>
917
    compoundLiteralExpr;
918
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXNullPtrLiteralExpr>
919
    cxxNullPtrLiteralExpr;
920
const internal::VariadicDynCastAllOfMatcher<Stmt, ChooseExpr> chooseExpr;
921
const internal::VariadicDynCastAllOfMatcher<Stmt, CoawaitExpr>
922
    coawaitExpr;
923
const internal::VariadicDynCastAllOfMatcher<Stmt, DependentCoawaitExpr>
924
    dependentCoawaitExpr;
925
const internal::VariadicDynCastAllOfMatcher<Stmt, CoyieldExpr>
926
    coyieldExpr;
927
const internal::VariadicDynCastAllOfMatcher<Stmt, GNUNullExpr> gnuNullExpr;
928
const internal::VariadicDynCastAllOfMatcher<Stmt, GenericSelectionExpr>
929
    genericSelectionExpr;
930
const internal::VariadicDynCastAllOfMatcher<Stmt, AtomicExpr> atomicExpr;
931
const internal::VariadicDynCastAllOfMatcher<Stmt, StmtExpr> stmtExpr;
932
const internal::VariadicDynCastAllOfMatcher<Stmt, BinaryOperator>
933
    binaryOperator;
934
const internal::MapAnyOfMatcher<BinaryOperator, CXXOperatorCallExpr,
935
                                CXXRewrittenBinaryOperator>
936
    binaryOperation;
937
const internal::MapAnyOfMatcher<CallExpr, CXXConstructExpr> invocation;
938
const internal::VariadicDynCastAllOfMatcher<Stmt, UnaryOperator> unaryOperator;
939
const internal::VariadicDynCastAllOfMatcher<Stmt, ConditionalOperator>
940
    conditionalOperator;
941
const internal::VariadicDynCastAllOfMatcher<Stmt, BinaryConditionalOperator>
942
    binaryConditionalOperator;
943
const internal::VariadicDynCastAllOfMatcher<Stmt, OpaqueValueExpr>
944
    opaqueValueExpr;
945
const internal::VariadicDynCastAllOfMatcher<Decl, StaticAssertDecl>
946
    staticAssertDecl;
947
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXReinterpretCastExpr>
948
    cxxReinterpretCastExpr;
949
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXStaticCastExpr>
950
    cxxStaticCastExpr;
951
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXDynamicCastExpr>
952
    cxxDynamicCastExpr;
953
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXConstCastExpr>
954
    cxxConstCastExpr;
955
const internal::VariadicDynCastAllOfMatcher<Stmt, CStyleCastExpr>
956
    cStyleCastExpr;
957
const internal::VariadicDynCastAllOfMatcher<Stmt, ExplicitCastExpr>
958
    explicitCastExpr;
959
const internal::VariadicDynCastAllOfMatcher<Stmt, ImplicitCastExpr>
960
    implicitCastExpr;
961
const internal::VariadicDynCastAllOfMatcher<Stmt, CastExpr> castExpr;
962
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXFunctionalCastExpr>
963
    cxxFunctionalCastExpr;
964
const internal::VariadicDynCastAllOfMatcher<Stmt, CXXTemporaryObjectExpr>
965
    cxxTemporaryObjectExpr;
966
const internal::VariadicDynCastAllOfMatcher<Stmt, PredefinedExpr>
967
    predefinedExpr;
968
const internal::VariadicDynCastAllOfMatcher<Stmt, DesignatedInitExpr>
969
    designatedInitExpr;
970
const internal::VariadicOperatorMatcherFunc<
971
    2, std::numeric_limits<unsigned>::max()>
972
    eachOf = {internal::DynTypedMatcher::VO_EachOf};
973
const internal::VariadicOperatorMatcherFunc<
974
    2, std::numeric_limits<unsigned>::max()>
975
    anyOf = {internal::DynTypedMatcher::VO_AnyOf};
976
const internal::VariadicOperatorMatcherFunc<
977
    2, std::numeric_limits<unsigned>::max()>
978
    allOf = {internal::DynTypedMatcher::VO_AllOf};
979
const internal::VariadicOperatorMatcherFunc<1, 1> optionally = {
980
    internal::DynTypedMatcher::VO_Optionally};
981
const internal::VariadicFunction<internal::Matcher<NamedDecl>, StringRef,
982
                                 internal::hasAnyNameFunc>
983
    hasAnyName = {};
984
985
const internal::VariadicFunction<internal::HasOpNameMatcher, StringRef,
986
                                 internal::hasAnyOperatorNameFunc>
987
    hasAnyOperatorName = {};
988
const internal::VariadicFunction<internal::HasOverloadOpNameMatcher, StringRef,
989
                                 internal::hasAnyOverloadedOperatorNameFunc>
990
    hasAnyOverloadedOperatorName = {};
991
const internal::VariadicFunction<internal::Matcher<ObjCMessageExpr>, StringRef,
992
                                 internal::hasAnySelectorFunc>
993
    hasAnySelector = {};
994
const internal::ArgumentAdaptingMatcherFunc<internal::HasMatcher> has = {};
995
const internal::ArgumentAdaptingMatcherFunc<internal::HasDescendantMatcher>
996
    hasDescendant = {};
997
const internal::ArgumentAdaptingMatcherFunc<internal::ForEachMatcher> forEach =
998
    {};
999
const internal::ArgumentAdaptingMatcherFunc<internal::ForEachDescendantMatcher>
1000
    forEachDescendant = {};
1001
const internal::ArgumentAdaptingMatcherFunc<
1002
    internal::HasParentMatcher,
1003
    internal::TypeList<Decl, NestedNameSpecifierLoc, Stmt, TypeLoc, Attr>,
1004
    internal::TypeList<Decl, NestedNameSpecifierLoc, Stmt, TypeLoc, Attr>>
1005
    hasParent = {};
1006
const internal::ArgumentAdaptingMatcherFunc<
1007
    internal::HasAncestorMatcher,
1008
    internal::TypeList<Decl, NestedNameSpecifierLoc, Stmt, TypeLoc, Attr>,
1009
    internal::TypeList<Decl, NestedNameSpecifierLoc, Stmt, TypeLoc, Attr>>
1010
    hasAncestor = {};
1011
const internal::VariadicOperatorMatcherFunc<1, 1> unless = {
1012
    internal::DynTypedMatcher::VO_UnaryNot};
1013
const internal::VariadicAllOfMatcher<NestedNameSpecifier> nestedNameSpecifier;
1014
const internal::VariadicAllOfMatcher<NestedNameSpecifierLoc>
1015
    nestedNameSpecifierLoc;
1016
const internal::VariadicAllOfMatcher<Attr> attr;
1017
const internal::VariadicDynCastAllOfMatcher<Stmt, CUDAKernelCallExpr>
1018
    cudaKernelCallExpr;
1019
const AstTypeMatcher<BuiltinType> builtinType;
1020
const AstTypeMatcher<ArrayType> arrayType;
1021
const AstTypeMatcher<ComplexType> complexType;
1022
const AstTypeMatcher<ConstantArrayType> constantArrayType;
1023
const AstTypeMatcher<DeducedTemplateSpecializationType>
1024
    deducedTemplateSpecializationType;
1025
const AstTypeMatcher<DependentSizedArrayType> dependentSizedArrayType;
1026
const AstTypeMatcher<IncompleteArrayType> incompleteArrayType;
1027
const AstTypeMatcher<VariableArrayType> variableArrayType;
1028
const AstTypeMatcher<AtomicType> atomicType;
1029
const AstTypeMatcher<AutoType> autoType;
1030
const AstTypeMatcher<DecltypeType> decltypeType;
1031
const AstTypeMatcher<FunctionType> functionType;
1032
const AstTypeMatcher<FunctionProtoType> functionProtoType;
1033
const AstTypeMatcher<ParenType> parenType;
1034
const AstTypeMatcher<BlockPointerType> blockPointerType;
1035
const AstTypeMatcher<MemberPointerType> memberPointerType;
1036
const AstTypeMatcher<PointerType> pointerType;
1037
const AstTypeMatcher<ObjCObjectPointerType> objcObjectPointerType;
1038
const AstTypeMatcher<ReferenceType> referenceType;
1039
const AstTypeMatcher<LValueReferenceType> lValueReferenceType;
1040
const AstTypeMatcher<RValueReferenceType> rValueReferenceType;
1041
const AstTypeMatcher<TypedefType> typedefType;
1042
const AstTypeMatcher<EnumType> enumType;
1043
const AstTypeMatcher<TemplateSpecializationType> templateSpecializationType;
1044
const AstTypeMatcher<UnaryTransformType> unaryTransformType;
1045
const AstTypeMatcher<RecordType> recordType;
1046
const AstTypeMatcher<TagType> tagType;
1047
const AstTypeMatcher<ElaboratedType> elaboratedType;
1048
const AstTypeMatcher<SubstTemplateTypeParmType> substTemplateTypeParmType;
1049
const AstTypeMatcher<TemplateTypeParmType> templateTypeParmType;
1050
const AstTypeMatcher<InjectedClassNameType> injectedClassNameType;
1051
const AstTypeMatcher<DecayedType> decayedType;
1052
AST_TYPELOC_TRAVERSE_MATCHER_DEF(hasElementType,
1053
                                 AST_POLYMORPHIC_SUPPORTED_TYPES(ArrayType,
1054
                                                                 ComplexType));
1055
AST_TYPELOC_TRAVERSE_MATCHER_DEF(hasValueType,
1056
                                 AST_POLYMORPHIC_SUPPORTED_TYPES(AtomicType));
1057
AST_TYPELOC_TRAVERSE_MATCHER_DEF(
1058
    pointee,
1059
    AST_POLYMORPHIC_SUPPORTED_TYPES(BlockPointerType, MemberPointerType,
1060
                                    PointerType, ReferenceType));
1061
1062
const internal::VariadicDynCastAllOfMatcher<Stmt, OMPExecutableDirective>
1063
    ompExecutableDirective;
1064
const internal::VariadicDynCastAllOfMatcher<OMPClause, OMPDefaultClause>
1065
    ompDefaultClause;
1066
const internal::VariadicDynCastAllOfMatcher<Decl, CXXDeductionGuideDecl>
1067
    cxxDeductionGuideDecl;
1068
1069
} // end namespace ast_matchers
1070
} // end namespace clang