clang-tools  6.0.0
Matchers.h
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1 //===--- Matchers.h - clang-tidy-------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_UTILS_MATCHERS_H
11 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_UTILS_MATCHERS_H
12 
13 #include "TypeTraits.h"
14 #include "clang/ASTMatchers/ASTMatchers.h"
15 
16 namespace clang {
17 namespace tidy {
18 namespace matchers {
19 
20 AST_MATCHER(BinaryOperator, isAssignmentOperator) {
21  return Node.isAssignmentOp();
22 }
23 
24 AST_MATCHER(BinaryOperator, isRelationalOperator) {
25  return Node.isRelationalOp();
26 }
27 
28 AST_MATCHER(BinaryOperator, isEqualityOperator) { return Node.isEqualityOp(); }
29 
30 AST_MATCHER(BinaryOperator, isComparisonOperator) {
31  return Node.isComparisonOp();
32 }
33 
35  llvm::Optional<bool> IsExpensive =
36  utils::type_traits::isExpensiveToCopy(Node, Finder->getASTContext());
37  return IsExpensive && *IsExpensive;
38 }
39 
42  Node, Finder->getASTContext());
43 }
44 
45 // Returns QualType matcher for references to const.
46 AST_MATCHER_FUNCTION(ast_matchers::TypeMatcher, isReferenceToConst) {
47  using namespace ast_matchers;
48  return referenceType(pointee(qualType(isConstQualified())));
49 }
50 
51 } // namespace matchers
52 } // namespace tidy
53 } // namespace clang
54 
55 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_UTILS_MATCHERS_H
AST_MATCHER(BinaryOperator, isAssignmentOperator)
Definition: Matchers.h:20
AST_MATCHER_FUNCTION(ast_matchers::TypeMatcher, isReferenceToConst)
Definition: Matchers.h:46
bool recordIsTriviallyDefaultConstructible(const RecordDecl &RecordDecl, const ASTContext &Context)
Returns true if RecordDecl is trivially default constructible.
Definition: TypeTraits.cpp:51
llvm::Optional< bool > isExpensiveToCopy(QualType Type, const ASTContext &Context)
Returns true if Type is expensive to copy.
Definition: TypeTraits.cpp:42
bool isTriviallyDefaultConstructible(QualType Type, const ASTContext &Context)
Returns true if Type is trivially default constructible.
Definition: TypeTraits.cpp:88