diff options
| -rw-r--r-- | clang/docs/LibASTMatchersReference.html | 11 | ||||
| -rw-r--r-- | clang/include/clang/ASTMatchers/ASTMatchers.h | 13 | ||||
| -rw-r--r-- | clang/lib/ASTMatchers/Dynamic/Registry.cpp | 1 | ||||
| -rw-r--r-- | clang/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp | 6 |
4 files changed, 31 insertions, 0 deletions
diff --git a/clang/docs/LibASTMatchersReference.html b/clang/docs/LibASTMatchersReference.html index 30af7e326af..b6ad1db4cd1 100644 --- a/clang/docs/LibASTMatchersReference.html +++ b/clang/docs/LibASTMatchersReference.html @@ -2137,6 +2137,17 @@ matches A and C::f, but not B, C, or B::f </pre></td></tr> +<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isLambda0')"><a name="isLambda0Anchor">isLambda</a></td><td></td></tr> +<tr><td colspan="4" class="doc" id="isLambda0"><pre>Matches the generated class of lambda expressions. + +Given: + auto x = []{}; + +cxxRecordDecl(isLambda()) matches the implicit class declaration of +decltype(x) +</pre></td></tr> + + <tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isSameOrDerivedFrom1')"><a name="isSameOrDerivedFrom1Anchor">isSameOrDerivedFrom</a></td><td>std::string BaseName</td></tr> <tr><td colspan="4" class="doc" id="isSameOrDerivedFrom1"><pre>Overloaded method as shortcut for isSameOrDerivedFrom(hasName(...)). diff --git a/clang/include/clang/ASTMatchers/ASTMatchers.h b/clang/include/clang/ASTMatchers/ASTMatchers.h index 41080e98e8d..c7d10859a52 100644 --- a/clang/include/clang/ASTMatchers/ASTMatchers.h +++ b/clang/include/clang/ASTMatchers/ASTMatchers.h @@ -2197,6 +2197,19 @@ AST_MATCHER_P(CXXRecordDecl, hasMethod, internal::Matcher<CXXMethodDecl>, Node.method_end(), Finder, Builder); } +/// \brief Matches the generated class of lambda expressions. +/// +/// Given: +/// \code +/// auto x = []{}; +/// \endcode +/// +/// \c cxxRecordDecl(isLambda()) matches the implicit class declaration of +/// \c decltype(x) +AST_MATCHER(CXXRecordDecl, isLambda) { + return Node.isLambda(); +} + /// \brief Matches AST nodes that have child AST nodes that match the /// provided matcher. /// diff --git a/clang/lib/ASTMatchers/Dynamic/Registry.cpp b/clang/lib/ASTMatchers/Dynamic/Registry.cpp index 1fe08581db5..a2d9eee0544 100644 --- a/clang/lib/ASTMatchers/Dynamic/Registry.cpp +++ b/clang/lib/ASTMatchers/Dynamic/Registry.cpp @@ -307,6 +307,7 @@ RegistryMaps::RegistryMaps() { REGISTER_MATCHER(isInteger); REGISTER_MATCHER(isIntegral); REGISTER_MATCHER(isInTemplateInstantiation); + REGISTER_MATCHER(isLambda); REGISTER_MATCHER(isListInitialization); REGISTER_MATCHER(isMemberInitializer); REGISTER_MATCHER(isMoveAssignmentOperator); diff --git a/clang/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp index e304d0629cb..7deed85440d 100644 --- a/clang/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp +++ b/clang/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp @@ -537,6 +537,12 @@ TEST(DeclarationMatcher, ClassIsDerived) { cxxRecordDecl(isDerivedFrom(namedDecl(hasName("X")))))); } +TEST(DeclarationMatcher, IsLambda) { + const auto IsLambda = cxxMethodDecl(ofClass(cxxRecordDecl(isLambda()))); + EXPECT_TRUE(matches("auto x = []{};", IsLambda)); + EXPECT_TRUE(notMatches("struct S { void operator()() const; };", IsLambda)); +} + TEST(Matcher, BindMatchedNodes) { DeclarationMatcher ClassX = has(recordDecl(hasName("::X")).bind("x")); |

