Add a new matcher to match character types.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@255627 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/ASTMatchers/ASTMatchers.h b/include/clang/ASTMatchers/ASTMatchers.h
index 6a5f5ee57c51c3eb7e27d4e7c3c2889dba9d21cf..6fcae748d8225abd9849182bf687411b121e3042 100644 (file)
--- a/include/clang/ASTMatchers/ASTMatchers.h
+++ b/include/clang/ASTMatchers/ASTMatchers.h
@@ -3533,6 +3533,20 @@ AST_MATCHER(QualType, isInteger) {
     return Node->isIntegerType();
 }
 
+/// \brief Matches QualType nodes that are of character type.
+///
+/// Given
+/// \code
+///   void a(char);
+///   void b(wchar_t);
+///   void c(double);
+/// \endcode
+/// functionDecl(hasAnyParameter(hasType(isAnyCharacter())))
+/// matches "a(char)", "b(wchar_t)", but not "c(double)".
+AST_MATCHER(QualType, isAnyCharacter) {
+    return Node->isAnyCharacterType();
+}
+
 /// \brief Matches QualType nodes that are const-qualified, i.e., that
 /// include "top-level" const.
 ///

diff --git a/unittests/ASTMatchers/ASTMatchersTest.cpp b/unittests/ASTMatchers/ASTMatchersTest.cpp
index 9aefb07809173b4abad9da4239853bf81185ab04..80f234338a3e0555aec2366d36b54a1de3fac11f 100644 (file)
--- a/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -1469,6 +1469,14 @@ TEST(IsInteger, ReportsNoFalsePositives) {
                           to(varDecl(hasType(isInteger()))))))));
 }
 
+TEST(IsAnyCharacter, MatchesCharacters) {
+  EXPECT_TRUE(matches("char i = 0;", varDecl(hasType(isAnyCharacter()))));
+}
+
+TEST(IsAnyCharacter, ReportsNoFalsePositives) {
+  EXPECT_TRUE(notMatches("int i;", varDecl(hasType(isAnyCharacter()))));
+}
+
 TEST(IsArrow, MatchesMemberVariablesViaArrow) {
   EXPECT_TRUE(matches("class Y { void x() { this->y; } int y; };",
               memberExpr(isArrow())));