commit 6c79f352b860c0024e508c47f736c960088c2aa0
author Aaron Ballman <aaron@aaronballman.com> Fri Aug 28 19:39:21 2015 +0000
committer Aaron Ballman <aaron@aaronballman.com> Fri Aug 28 19:39:21 2015 +0000
tree f000cf94db111efd5bfffb901cd018add7752e27
parent 0b4112341b3041f30646ecf8ac564f2cf82dc679

Adding an AST matcher for namespaceAliasDecl.

llvm-svn: 246322

clang/docs/LibASTMatchersReference.html

diff --git a/clang/docs/LibASTMatchersReference.html b/clang/docs/LibASTMatchersReference.html
index bf18614..8be0aa9 100644
--- a/clang/docs/LibASTMatchersReference.html
+++ b/clang/docs/LibASTMatchersReference.html
@@ -285,6 +285,17 @@
 </pre></td></tr>

 

 

+<tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('namespaceAliasDecl0')"><a name="namespaceAliasDecl0Anchor">namespaceAliasDecl</a></td><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1NamespaceAliasDecl.html">NamespaceAliasDecl</a>&gt;...</td></tr>

+<tr><td colspan="4" class="doc" id="namespaceAliasDecl0"><pre>Matches a declaration of a namespace alias.

+

+Given

+  namespace test {}

+  namespace alias = ::test;

+namespaceAliasDecl()

+  matches "namespace alias" but not "namespace test"

+</pre></td></tr>

+

+

 <tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('namespaceDecl0')"><a name="namespaceDecl0Anchor">namespaceDecl</a></td><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1NamespaceDecl.html">NamespaceDecl</a>&gt;...</td></tr>

 <tr><td colspan="4" class="doc" id="namespaceDecl0"><pre>Matches a declaration of a namespace.

 

clang/include/clang/ASTMatchers/ASTMatchers.h

diff --git a/clang/include/clang/ASTMatchers/ASTMatchers.h b/clang/include/clang/ASTMatchers/ASTMatchers.h
index 46f30f0..cb10daf 100644
--- a/clang/include/clang/ASTMatchers/ASTMatchers.h
+++ b/clang/include/clang/ASTMatchers/ASTMatchers.h
@@ -292,6 +292,18 @@
 ///   matches "namespace {}" and "namespace test {}"
 const internal::VariadicDynCastAllOfMatcher<Decl, NamespaceDecl> namespaceDecl;
 
+/// \brief Matches a declaration of a namespace alias.
+///
+/// Given
+/// \code
+///   namespace test {}
+///   namespace alias = ::test;
+/// \endcode
+/// namespaceAliasDecl()
+///   matches "namespace alias" but not "namespace test"
+const internal::VariadicDynCastAllOfMatcher<Decl, NamespaceAliasDecl>
+    namespaceAliasDecl;
+
 /// \brief Matches C++ class declarations.
 ///
 /// Example matches \c X, \c Z

clang/lib/ASTMatchers/Dynamic/Registry.cpp

diff --git a/clang/lib/ASTMatchers/Dynamic/Registry.cpp b/clang/lib/ASTMatchers/Dynamic/Registry.cpp
index 1544b08..8601a38 100644
--- a/clang/lib/ASTMatchers/Dynamic/Registry.cpp
+++ b/clang/lib/ASTMatchers/Dynamic/Registry.cpp
@@ -288,6 +288,7 @@
   REGISTER_MATCHER(memberPointerType);
   REGISTER_MATCHER(methodDecl);
   REGISTER_MATCHER(namedDecl);
+  REGISTER_MATCHER(namespaceAliasDecl);
   REGISTER_MATCHER(namespaceDecl);
   REGISTER_MATCHER(namesType);
   REGISTER_MATCHER(nestedNameSpecifier);

clang/unittests/ASTMatchers/ASTMatchersTest.cpp

diff --git a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
index 5bc66f6..b4fc090 100644
--- a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -4369,6 +4369,11 @@
   EXPECT_TRUE(matches("namespace {}", namespaceDecl(isAnonymous())));
 }
 
+TEST(NS, Alias) {
+  EXPECT_TRUE(matches("namespace test {} namespace alias = ::test;",
+                      namespaceAliasDecl(hasName("alias"))));
+}
+
 TEST(NNS, MatchesTypes) {
   NestedNameSpecifierMatcher Matcher = nestedNameSpecifier(
     specifiesType(hasDeclaration(recordDecl(hasName("A")))));