[PATCH] D25600: [ASTMatcher] Add isStaticDataMember matcher for varDecl.

[Haojian Wu via cfe-commits]

hokein created this revision.
hokein added a reviewer: klimek.
hokein added a subscriber: cfe-commits.

https://reviews.llvm.org/D25600

Files:
  docs/LibASTMatchersReference.html
  include/clang/ASTMatchers/ASTMatchers.h
  unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp


Index: unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
===================================================================
--- unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
+++ unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
@@ -692,6 +692,15 @@
   EXPECT_TRUE(notMatches(T, varDecl(hasName("a"), hasThreadStorageDuration())));
 }
 
+TEST(Matcher, VarDecl_StaticDataMember) {
+  EXPECT_TRUE(matches(
+    "class A {static int x; int y;};",
+    varDecl(hasName("x"), isStaticDataMember())));
+  EXPECT_TRUE(notMatches(
+    "class A {int x;};",
+    varDecl(isStaticDataMember())));
+}
+
 TEST(Matcher, FindsVarDeclInFunctionParameter) {
   EXPECT_TRUE(matches(
     "void f(int i) {}",
Index: include/clang/ASTMatchers/ASTMatchers.h
===================================================================
--- include/clang/ASTMatchers/ASTMatchers.h
+++ include/clang/ASTMatchers/ASTMatchers.h
@@ -2993,6 +2993,19 @@
   return Node.isExceptionVariable();
 }
 
+/// \brief Matches a variable declaration that is a static data member.
+///
+/// Example matches x (matcher = varDecl(isStaticDataMember())
+/// \code
+/// class A {
+///  static int x;
+///  int y;
+/// };
+/// \endcode
+AST_MATCHER(VarDecl, isStaticDataMember) {
+  return Node.isStaticDataMember();
+}
+
 /// \brief Checks that a call expression or a constructor call expression has
 /// a specific number of arguments (including absent default arguments).
 ///
Index: docs/LibASTMatchersReference.html
===================================================================
--- docs/LibASTMatchersReference.html
+++ docs/LibASTMatchersReference.html
@@ -3493,6 +3493,17 @@
 </pre></td></tr>
 
 
+<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('isStaticDataMember0')"><a name="isStaticDataMember0Anchor">isStaticDataMember</a></td><td></td></tr>
+<tr><td colspan="4" class="doc" id="isStaticDataMember0"><pre>Matches a variable declaration that is a static data member.
+
+Example matches x (matcher = varDecl(isStaticDataMember())
+class A {
+ static int x;
+ int y;
+};
+</pre></td></tr>
+
+
 <tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('isStaticStorageClass1')"><a name="isStaticStorageClass1Anchor">isStaticStorageClass</a></td><td></td></tr>
 <tr><td colspan="4" class="doc" id="isStaticStorageClass1"><pre>Matches variablefunction declarations that have "static" storage
 class specifier ("static" keyword) written in the source.


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