r255627 - Add a new matcher to match character types.

[Gabor Horvath via cfe-commits]

Author: xazax
Date: Tue Dec 15 02:35:45 2015
New Revision: 255627

URL: http://llvm.org/viewvc/llvm-project?rev=255627&view=rev
Log:
Add a new matcher to match character types.

Modified:
    cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
    cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp

Modified: cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h?rev=255627&r1=255626&r2=255627&view=diff
==============================================================================
--- cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h (original)
+++ cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h Tue Dec 15 02:35:45 2015
@@ -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.
 ///

Modified: cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp?rev=255627&r1=255626&r2=255627&view=diff
==============================================================================
--- cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp (original)
+++ cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp Tue Dec 15 02:35:45 2015
@@ -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())));


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