diff options
| -rw-r--r-- | clang/include/clang/ASTMatchers/ASTMatchers.h | 14 | ||||
| -rw-r--r-- | clang/lib/ASTMatchers/Dynamic/Registry.cpp | 1 | ||||
| -rw-r--r-- | clang/unittests/ASTMatchers/ASTMatchersTest.cpp | 12 |
3 files changed, 27 insertions, 0 deletions
diff --git a/clang/include/clang/ASTMatchers/ASTMatchers.h b/clang/include/clang/ASTMatchers/ASTMatchers.h index cd80bab8dbe..46f30f06d5a 100644 --- a/clang/include/clang/ASTMatchers/ASTMatchers.h +++ b/clang/include/clang/ASTMatchers/ASTMatchers.h @@ -3936,6 +3936,20 @@ AST_MATCHER_P(ElaboratedType, namesType, internal::Matcher<QualType>, return InnerMatcher.matches(Node.getNamedType(), Finder, Builder); } +/// \brief Matches types that represent the result of substituting a type for a +/// template type parameter. +/// +/// Given +/// \code +/// template <typename T> +/// void F(T t) { +/// int i = 1 + t; +/// } +/// \code +/// +/// \c substTemplateTypeParmType() matches the type of 't' but not '1' +AST_TYPE_MATCHER(SubstTemplateTypeParmType, substTemplateTypeParmType); + /// \brief Matches declarations whose declaration context, interpreted as a /// Decl, matches \c InnerMatcher. /// diff --git a/clang/lib/ASTMatchers/Dynamic/Registry.cpp b/clang/lib/ASTMatchers/Dynamic/Registry.cpp index 19cad2554b5..1544b084344 100644 --- a/clang/lib/ASTMatchers/Dynamic/Registry.cpp +++ b/clang/lib/ASTMatchers/Dynamic/Registry.cpp @@ -327,6 +327,7 @@ RegistryMaps::RegistryMaps() { REGISTER_MATCHER(stmt); REGISTER_MATCHER(stringLiteral); REGISTER_MATCHER(substNonTypeTemplateParmExpr); + REGISTER_MATCHER(substTemplateTypeParmType); REGISTER_MATCHER(switchCase); REGISTER_MATCHER(switchStmt); REGISTER_MATCHER(templateArgument); diff --git a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp index c04f0fb82d4..5bc66f6c030 100644 --- a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp +++ b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp @@ -4331,6 +4331,18 @@ TEST(ElaboratedTypeNarrowing, namesType) { elaboratedType(elaboratedType(namesType(typedefType()))))); } +TEST(TypeMatching, MatchesSubstTemplateTypeParmType) { + const std::string code = "template <typename T>" + "int F() {" + " return 1 + T();" + "}" + "int i = F<int>();"; + EXPECT_FALSE(matches(code, binaryOperator(hasLHS( + expr(hasType(substTemplateTypeParmType())))))); + EXPECT_TRUE(matches(code, binaryOperator(hasRHS( + expr(hasType(substTemplateTypeParmType())))))); +} + TEST(NNS, MatchesNestedNameSpecifiers) { EXPECT_TRUE(matches("namespace ns { struct A {}; } ns::A a;", nestedNameSpecifier())); |
