[PATCH] D16394: Add an isVirtualAsWritten AST matcher.

Nico Weber via cfe-commits Wed, 20 Jan 2016 19:14:40 -0800

thakis created this revision.
thakis added a reviewer: aaron.ballman.
thakis added a subscriber: cfe-commits.
Herald added a subscriber: klimek.


http://reviews.llvm.org/D16394

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

Index: unittests/ASTMatchers/ASTMatchersTest.cpp
===================================================================
--- unittests/ASTMatchers/ASTMatchersTest.cpp
+++ unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -2028,6 +2028,16 @@
   EXPECT_TRUE(notMatches("class X { int f(); };", cxxMethodDecl(isVirtual())));
 }
 
+TEST(Matcher, MatchesVirtualAsWrittenMethod) {
+  EXPECT_TRUE(matches("class A { virtual int f(); };"
+                      "class B : public A { int f(); };",
+                      cxxMethodDecl(isVirtualAsWritten(), hasName("::A::f"))));
+  EXPECT_TRUE(
+      notMatches("class A { virtual int f(); };"
+                 "class B : public A { int f(); };",
+                 cxxMethodDecl(isVirtualAsWritten(), hasName("::B::f"))));
+}
+
 TEST(Matcher, MatchesPureMethod) {
   EXPECT_TRUE(matches("class X { virtual int f() = 0; };",
                       cxxMethodDecl(isPure(), hasName("::X::f"))));
Index: docs/LibASTMatchersReference.html
===================================================================
--- docs/LibASTMatchersReference.html
+++ docs/LibASTMatchersReference.html
@@ -1845,6 +1845,20 @@
   matches A::x
 </pre></td></tr>
 
+<tr><td>Matcher&lt<a 
href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html";>CXXMethodDecl</a>&gt;</td><td
 class="name" onclick="toggle('isVirtualAsWritten0')"><a 
name="isVirtualAsWritten0Anchor">isVirtualAsWritten</a></td><td></td></tr>
+<tr><td colspan="4" class="doc" id="isVirtualAsWritten0"><pre>Matches if the 
given method declaration has an explicit "virtual".
+
+Given
+  class A {
+   public:
+    virtual void x();
+  };
+  class B : public A {
+   public:
+    void x();
+  };
+  matches A::x but not B::x
+</pre></td></tr>
 
 <tr><td>Matcher&lt<a 
href="http://clang.llvm.org/doxygen/classclang_1_1CXXOperatorCallExpr.html";>CXXOperatorCallExpr</a>&gt;</td><td
 class="name" onclick="toggle('hasOverloadedOperatorName1')"><a 
name="hasOverloadedOperatorName1Anchor">hasOverloadedOperatorName</a></td><td>StringRef
 Name</td></tr>
 <tr><td colspan="4" class="doc" id="hasOverloadedOperatorName1"><pre>Matches 
overloaded operator names.
Index: include/clang/ASTMatchers/ASTMatchers.h
===================================================================
--- include/clang/ASTMatchers/ASTMatchers.h
+++ include/clang/ASTMatchers/ASTMatchers.h
@@ -3479,6 +3479,24 @@
   return Node.isVirtual();
 }
 
+/// \brief Matches if the given method declaration has an explicit "virtual".
+///
+/// Given
+/// \code
+///   class A {
+///    public:
+///     virtual void x();
+///   };
+///   class B : public A {
+///    public:
+///     void x();
+///   };
+/// \endcode
+///   matches A::x but not B::x
+AST_MATCHER(CXXMethodDecl, isVirtualAsWritten) {
+  return Node.isVirtualAsWritten();
+}
+
 /// \brief Matches if the given method or class declaration is final.
 ///
 /// Given:
Index: lib/ASTMatchers/Dynamic/Registry.cpp
===================================================================
--- lib/ASTMatchers/Dynamic/Registry.cpp
+++ lib/ASTMatchers/Dynamic/Registry.cpp
@@ -302,6 +302,7 @@
   REGISTER_MATCHER(isUnion);
   REGISTER_MATCHER(isVariadic);
   REGISTER_MATCHER(isVirtual);
+  REGISTER_MATCHER(isVirtualAsWritten);
   REGISTER_MATCHER(isVolatileQualified);
   REGISTER_MATCHER(isWritten);
   REGISTER_MATCHER(labelStmt);

Index: unittests/ASTMatchers/ASTMatchersTest.cpp
===================================================================
--- unittests/ASTMatchers/ASTMatchersTest.cpp
+++ unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -2028,6 +2028,16 @@
   EXPECT_TRUE(notMatches("class X { int f(); };", cxxMethodDecl(isVirtual())));
 }
 
+TEST(Matcher, MatchesVirtualAsWrittenMethod) {
+  EXPECT_TRUE(matches("class A { virtual int f(); };"
+                      "class B : public A { int f(); };",
+                      cxxMethodDecl(isVirtualAsWritten(), hasName("::A::f"))));
+  EXPECT_TRUE(
+      notMatches("class A { virtual int f(); };"
+                 "class B : public A { int f(); };",
+                 cxxMethodDecl(isVirtualAsWritten(), hasName("::B::f"))));
+}
+
 TEST(Matcher, MatchesPureMethod) {
   EXPECT_TRUE(matches("class X { virtual int f() = 0; };",
                       cxxMethodDecl(isPure(), hasName("::X::f"))));
Index: docs/LibASTMatchersReference.html
===================================================================
--- docs/LibASTMatchersReference.html
+++ docs/LibASTMatchersReference.html
@@ -1845,6 +1845,20 @@
   matches A::x
 </pre></td></tr>
 
+<tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html";>CXXMethodDecl</a>&gt;</td><td class="name" onclick="toggle('isVirtualAsWritten0')"><a name="isVirtualAsWritten0Anchor">isVirtualAsWritten</a></td><td></td></tr>
+<tr><td colspan="4" class="doc" id="isVirtualAsWritten0"><pre>Matches if the given method declaration has an explicit "virtual".
+
+Given
+  class A {
+   public:
+    virtual void x();
+  };
+  class B : public A {
+   public:
+    void x();
+  };
+  matches A::x but not B::x
+</pre></td></tr>
 
 <tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXOperatorCallExpr.html";>CXXOperatorCallExpr</a>&gt;</td><td class="name" onclick="toggle('hasOverloadedOperatorName1')"><a name="hasOverloadedOperatorName1Anchor">hasOverloadedOperatorName</a></td><td>StringRef Name</td></tr>
 <tr><td colspan="4" class="doc" id="hasOverloadedOperatorName1"><pre>Matches overloaded operator names.
Index: include/clang/ASTMatchers/ASTMatchers.h
===================================================================
--- include/clang/ASTMatchers/ASTMatchers.h
+++ include/clang/ASTMatchers/ASTMatchers.h
@@ -3479,6 +3479,24 @@
   return Node.isVirtual();
 }
 
+/// \brief Matches if the given method declaration has an explicit "virtual".
+///
+/// Given
+/// \code
+///   class A {
+///    public:
+///     virtual void x();
+///   };
+///   class B : public A {
+///    public:
+///     void x();
+///   };
+/// \endcode
+///   matches A::x but not B::x
+AST_MATCHER(CXXMethodDecl, isVirtualAsWritten) {
+  return Node.isVirtualAsWritten();
+}
+
 /// \brief Matches if the given method or class declaration is final.
 ///
 /// Given:
Index: lib/ASTMatchers/Dynamic/Registry.cpp
===================================================================
--- lib/ASTMatchers/Dynamic/Registry.cpp
+++ lib/ASTMatchers/Dynamic/Registry.cpp
@@ -302,6 +302,7 @@
   REGISTER_MATCHER(isUnion);
   REGISTER_MATCHER(isVariadic);
   REGISTER_MATCHER(isVirtual);
+  REGISTER_MATCHER(isVirtualAsWritten);
   REGISTER_MATCHER(isVolatileQualified);
   REGISTER_MATCHER(isWritten);
   REGISTER_MATCHER(labelStmt);

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[PATCH] D16394: Add an isVirtualAsWritten AST matcher.

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