r246322 - Adding an AST matcher for namespaceAliasDecl.

[Aaron Ballman via cfe-commits]

Author: aaronballman
Date: Fri Aug 28 14:39:21 2015
New Revision: 246322

URL: http://llvm.org/viewvc/llvm-project?rev=246322&view=rev
Log:
Adding an AST matcher for namespaceAliasDecl.

Modified:
    cfe/trunk/docs/LibASTMatchersReference.html
    cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
    cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp
    cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp

Modified: cfe/trunk/docs/LibASTMatchersReference.html
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/LibASTMatchersReference.html?rev=246322&r1=246321&r2=246322&view=diff
==============================================================================
--- cfe/trunk/docs/LibASTMatchersReference.html (original)
+++ cfe/trunk/docs/LibASTMatchersReference.html Fri Aug 28 14:39:21 2015
@@ -285,6 +285,17 @@ Example matches X, S, the anonymous unio
 </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.
 

Modified: cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h?rev=246322&r1=246321&r2=246322&view=diff
==============================================================================
--- cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h (original)
+++ cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h Fri Aug 28 14:39:21 2015
@@ -292,6 +292,18 @@ const internal::VariadicDynCastAllOfMatc
 ///   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

Modified: cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp?rev=246322&r1=246321&r2=246322&view=diff
==============================================================================
--- cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp (original)
+++ cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp Fri Aug 28 14:39:21 2015
@@ -288,6 +288,7 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(memberPointerType);
   REGISTER_MATCHER(methodDecl);
   REGISTER_MATCHER(namedDecl);
+  REGISTER_MATCHER(namespaceAliasDecl);
   REGISTER_MATCHER(namespaceDecl);
   REGISTER_MATCHER(namesType);
   REGISTER_MATCHER(nestedNameSpecifier);

Modified: cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp?rev=246322&r1=246321&r2=246322&view=diff
==============================================================================
--- cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp (original)
+++ cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp Fri Aug 28 14:39:21 2015
@@ -4369,6 +4369,11 @@ TEST(NS, Anonymous) {
   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")))));


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