[PATCH] D24821: [ASTMatcher] Add isStaticStorageClass matcher for varDecl and functionDecl.

[Haojian Wu via cfe-commits]

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

https://reviews.llvm.org/D24821

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
@@ -848,6 +848,14 @@
   EXPECT_TRUE(notMatches("int i;", varDecl(isExternC())));
 }
 
+TEST(IsStaticStorageClass, MatchesStaticDeclarations) {
+  EXPECT_TRUE(
+      matches("static void f() {}", functionDecl(isStaticStorageClass())));
+  EXPECT_TRUE(matches("static int i = 1;", varDecl(isStaticStorageClass())));
+  EXPECT_TRUE(notMatches("int i = 1;", varDecl(isStaticStorageClass())));
+  EXPECT_TRUE(notMatches("void f() {}", functionDecl(isStaticStorageClass())));
+}
+
 TEST(IsDefaulted, MatchesDefaultedFunctionDeclarations) {
   EXPECT_TRUE(notMatches("class A { ~A(); };",
                          functionDecl(hasName("~A"), isDefaulted())));
Index: include/clang/ASTMatchers/ASTMatchers.h
===================================================================
--- include/clang/ASTMatchers/ASTMatchers.h
+++ include/clang/ASTMatchers/ASTMatchers.h
@@ -3387,6 +3387,24 @@
   return Node.isExternC();
 }
 
+/// \brief Matches variable/function declarations that have static storage class
+/// (with "static" key word) written in the source.
+///
+/// Given:
+/// \code
+///   static void f() {}
+///   static int i = 0;
+/// \endcode
+/// functionDecl(isStaticStorageClass())
+///   matches the function declaration f.
+/// varDecl(isStaticStorageClass())
+///   matches the variable declaration i.
+AST_POLYMORPHIC_MATCHER(isStaticStorageClass,
+                        AST_POLYMORPHIC_SUPPORTED_TYPES(FunctionDecl,
+                                                        VarDecl)) {
+  return Node.getStorageClass() == SC_Static;
+}
+
 /// \brief Matches deleted function declarations.
 ///
 /// Given:
Index: docs/LibASTMatchersReference.html
===================================================================
--- docs/LibASTMatchersReference.html
+++ docs/LibASTMatchersReference.html
@@ -2610,6 +2610,20 @@
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html";>FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('isStaticStorageClass0')"><a name="isStaticStorageClass0Anchor">isStaticStorageClass</a></td><td></td></tr>
+<tr><td colspan="4" class="doc" id="isStaticStorageClass0"><pre>Matches variablefunction declarations that have static storage class
+(with "static" key word) written in the source.
+
+Given:
+  static void f() {}
+  static int i = 0;
+functionDecl(isStaticStorageClass())
+  matches the function declaration f.
+varDecl(isStaticStorageClass())
+  matches the variable declaration i.
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html";>FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('isTemplateInstantiation0')"><a name="isTemplateInstantiation0Anchor">isTemplateInstantiation</a></td><td></td></tr>
 <tr><td colspan="4" class="doc" id="isTemplateInstantiation0"><pre>Matches template instantiations of function, class, or static
 member variable template instantiations.
@@ -3473,6 +3487,20 @@
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html";>VarDecl</a>&gt;</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
+(with "static" key word) written in the source.
+
+Given:
+  static void f() {}
+  static int i = 0;
+functionDecl(isStaticStorageClass())
+  matches the function declaration f.
+varDecl(isStaticStorageClass())
+  matches the variable declaration i.
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html";>VarDecl</a>&gt;</td><td class="name" onclick="toggle('isTemplateInstantiation1')"><a name="isTemplateInstantiation1Anchor">isTemplateInstantiation</a></td><td></td></tr>
 <tr><td colspan="4" class="doc" id="isTemplateInstantiation1"><pre>Matches template instantiations of function, class, or static
 member variable template instantiations.
@@ -4092,7 +4120,7 @@
 
 
 <tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html";>CXXMethodDecl</a>&gt;</td><td class="name" onclick="toggle('forEachOverridden0')"><a name="forEachOverridden0Anchor">forEachOverridden</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html";>CXXMethodDecl</a>&gt; InnerMatcher</td></tr>
-<tr><td colspan="4" class="doc" id="forEachOverridden0"><pre>Matches each method overridden by the given method. This matcher may
+<tr><td colspan="4" class="doc" id="forEachOverridden0"><pre>Matches each method overriden by the given method. This matcher may
 produce multiple matches.
 
 Given

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