r219408 - Implement various matchers around template argument handling.

Manuel Klimek klimek at google.com
Thu Oct 9 06:06:23 PDT 2014


Author: klimek
Date: Thu Oct  9 08:06:22 2014
New Revision: 219408

URL: http://llvm.org/viewvc/llvm-project?rev=219408&view=rev
Log:
Implement various matchers around template argument handling.

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

Modified: cfe/trunk/docs/LibASTMatchersReference.html
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/LibASTMatchersReference.html?rev=219408&r1=219407&r2=219408&view=diff
==============================================================================
--- cfe/trunk/docs/LibASTMatchersReference.html (original)
+++ cfe/trunk/docs/LibASTMatchersReference.html Thu Oct  9 08:06:22 2014
@@ -1020,6 +1020,17 @@ whileStmt()
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>></td><td class="name" onclick="toggle('templateArgument0')"><a name="templateArgument0Anchor">templateArgument</a></td><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>>...</td></tr>
+<tr><td colspan="4" class="doc" id="templateArgument0"><pre>Matches template arguments.
+
+Given
+  template <typename T> struct C {};
+  C<int> c;
+templateArgument()
+  matches 'int' in C<int>.
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>></td><td class="name" onclick="toggle('typeLoc0')"><a name="typeLoc0Anchor">typeLoc</a></td><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>>...</td></tr>
 <tr><td colspan="4" class="doc" id="typeLoc0"><pre>Matches TypeLocs in the clang AST.
 </pre></td></tr>
@@ -1562,6 +1573,17 @@ Usable as: Matcher&lt<a href="http://cla
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1ClassTemplateSpecializationDecl.html">ClassTemplateSpecializationDecl</a>></td><td class="name" onclick="toggle('templateArgumentCountIs0')"><a name="templateArgumentCountIs0Anchor">templateArgumentCountIs</a></td><td>unsigned N</td></tr>
+<tr><td colspan="4" class="doc" id="templateArgumentCountIs0"><pre>Matches if the number of template arguments equals N.
+
+Given
+  template<typename T> struct C {};
+  C<int> c;
+classTemplateSpecializationDecl(templateArgumentCountIs(1))
+  matches C<int>.
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1CompoundStmt.html">CompoundStmt</a>></td><td class="name" onclick="toggle('statementCountIs0')"><a name="statementCountIs0Anchor">statementCountIs</a></td><td>unsigned N</td></tr>
 <tr><td colspan="4" class="doc" id="statementCountIs0"><pre>Checks that a compound statement contains a specific number of
 child statements.
@@ -1638,6 +1660,19 @@ by the compiler (eg. implicit defaultcop
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('isInstantiated0')"><a name="isInstantiated0Anchor">isInstantiated</a></td><td></td></tr>
+<tr><td colspan="4" class="doc" id="isInstantiated0"><pre>Matches declarations that are template instantiations or are inside
+template instantiations.
+
+Given
+  template<typename T> void A(T t) { T i; }
+  A(0);
+  A(0U);
+functionDecl(isInstantiated())
+  matches 'A(int) {...};' and 'A(unsigned) {...}'.
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('isPrivate0')"><a name="isPrivate0Anchor">isPrivate</a></td><td></td></tr>
 <tr><td colspan="4" class="doc" id="isPrivate0"><pre>Matches private C++ declarations.
 
@@ -1955,6 +1990,22 @@ and reference to that variable declarati
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('isInTemplateInstantiation0')"><a name="isInTemplateInstantiation0Anchor">isInTemplateInstantiation</a></td><td></td></tr>
+<tr><td colspan="4" class="doc" id="isInTemplateInstantiation0"><pre>Matches statements inside of a template instantiation.
+
+Given
+  int j;
+  template<typename T> void A(T t) { T i; j += 42;}
+  A(0);
+  A(0U);
+declStmt(isInTemplateInstantiation())
+  matches 'int i;' and 'unsigned i'.
+unless(stmt(isInTemplateInstantiation()))
+  will NOT match j += 42; as it's shared between the template definition and
+  instantiation.
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>></td><td class="name" onclick="toggle('isDefinition0')"><a name="isDefinition0Anchor">isDefinition</a></td><td></td></tr>
 <tr><td colspan="4" class="doc" id="isDefinition0"><pre>Matches if a declaration has a body attached.
 
@@ -1970,6 +2021,46 @@ Usable as: Matcher&lt<a href="http://cla
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>></td><td class="name" onclick="toggle('equalsIntegralValue0')"><a name="equalsIntegralValue0Anchor">equalsIntegralValue</a></td><td>std::string Value</td></tr>
+<tr><td colspan="4" class="doc" id="equalsIntegralValue0"><pre>Matches a TemplateArgument of integral type with a given value.
+
+Note that 'Value' is a string as the template argument's value is
+an arbitrary precision integer. 'Value' must be euqal to the canonical
+representation of that integral value in base 10.
+
+Given
+  template<int T> struct A {};
+  C<42> c;
+classTemplateSpecializationDecl(
+  hasAnyTemplateArgument(equalsIntegralValue("42")))
+  matches the implicit instantiation of C in C<42>.
+</pre></td></tr>
+
+
+<tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>></td><td class="name" onclick="toggle('isIntegral0')"><a name="isIntegral0Anchor">isIntegral</a></td><td></td></tr>
+<tr><td colspan="4" class="doc" id="isIntegral0"><pre>Matches a TemplateArgument that is an integral value.
+
+Given
+  template<int T> struct A {};
+  C<42> c;
+classTemplateSpecializationDecl(
+  hasAnyTemplateArgument(isIntegral()))
+  matches the implicit instantiation of C in C<42>
+  with isIntegral() matching 42.
+</pre></td></tr>
+
+
+<tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>></td><td class="name" onclick="toggle('templateArgumentCountIs1')"><a name="templateArgumentCountIs1Anchor">templateArgumentCountIs</a></td><td>unsigned N</td></tr>
+<tr><td colspan="4" class="doc" id="templateArgumentCountIs1"><pre>Matches if the number of template arguments equals N.
+
+Given
+  template<typename T> struct C {};
+  C<int> c;
+classTemplateSpecializationDecl(templateArgumentCountIs(1))
+  matches C<int>.
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('equalsBoundNode2')"><a name="equalsBoundNode2Anchor">equalsBoundNode</a></td><td>std::string ID</td></tr>
 <tr><td colspan="4" class="doc" id="equalsBoundNode2"><pre>Matches if a node equals a previously bound node.
 
@@ -3630,6 +3721,18 @@ classTemplateSpecializationDecl(hasAnyTe
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>></td><td class="name" onclick="toggle('refersToIntegralType0')"><a name="refersToIntegralType0Anchor">refersToIntegralType</a></td><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
+<tr><td colspan="4" class="doc" id="refersToIntegralType0"><pre>Matches a TemplateArgument that referes to an integral type.
+
+Given
+  template<int T> struct A {};
+  C<42> c;
+classTemplateSpecializationDecl(
+  hasAnyTemplateArgument(refersToIntegralType(asString("int"))))
+  matches the implicit instantiation of C in C<42>.
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>></td><td class="name" onclick="toggle('refersToType0')"><a name="refersToType0Anchor">refersToType</a></td><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
 <tr><td colspan="4" class="doc" id="refersToType0"><pre>Matches a TemplateArgument that refers to a certain type.
 

Modified: cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h?rev=219408&r1=219407&r2=219408&view=diff
==============================================================================
--- cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h (original)
+++ cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h Thu Oct  9 08:06:22 2014
@@ -274,6 +274,17 @@ const internal::VariadicDynCastAllOfMatc
 /// \endcode
 const internal::VariadicAllOfMatcher<CXXCtorInitializer> ctorInitializer;
 
+/// \brief Matches template arguments.
+///
+/// Given
+/// \code
+///   template <typename T> struct C {};
+///   C<int> c;
+/// \endcode
+/// templateArgument()
+///   matches 'int' in C<int>.
+const internal::VariadicAllOfMatcher<TemplateArgument> templateArgument;
+
 /// \brief Matches public C++ declarations.
 ///
 /// Given
@@ -452,6 +463,23 @@ AST_POLYMORPHIC_MATCHER_P2(
   return InnerMatcher.matches(List[N], Finder, Builder);
 }
 
+/// \brief Matches if the number of template arguments equals \p N.
+///
+/// Given
+/// \code
+///   template<typename T> struct C {};
+///   C<int> c;
+/// \endcode
+/// classTemplateSpecializationDecl(templateArgumentCountIs(1))
+///   matches C<int>.
+AST_POLYMORPHIC_MATCHER_P(
+    templateArgumentCountIs,
+    AST_POLYMORPHIC_SUPPORTED_TYPES_2(ClassTemplateSpecializationDecl,
+                                      TemplateSpecializationType),
+    unsigned, N) {
+  return internal::getTemplateSpecializationArgs(Node).size() == N;
+}
+
 /// \brief Matches a TemplateArgument that refers to a certain type.
 ///
 /// Given
@@ -508,6 +536,59 @@ AST_MATCHER_P(TemplateArgument, isExpr,
   return false;
 }
 
+/// \brief Matches a TemplateArgument that is an integral value.
+///
+/// Given
+/// \code
+///   template<int T> struct A {};
+///   C<42> c;
+/// \endcode
+/// classTemplateSpecializationDecl(
+///   hasAnyTemplateArgument(isIntegral()))
+///   matches the implicit instantiation of C in C<42>
+///   with isIntegral() matching 42.
+AST_MATCHER(TemplateArgument, isIntegral) {
+  return Node.getKind() == TemplateArgument::Integral;
+}
+
+/// \brief Matches a TemplateArgument that referes to an integral type.
+///
+/// Given
+/// \code
+///   template<int T> struct A {};
+///   C<42> c;
+/// \endcode
+/// classTemplateSpecializationDecl(
+///   hasAnyTemplateArgument(refersToIntegralType(asString("int"))))
+///   matches the implicit instantiation of C in C<42>.
+AST_MATCHER_P(TemplateArgument, refersToIntegralType,
+              internal::Matcher<QualType>, InnerMatcher) {
+  if (Node.getKind() != TemplateArgument::Integral)
+    return false;
+  return InnerMatcher.matches(Node.getIntegralType(), Finder, Builder);
+}
+
+/// \brief Matches a TemplateArgument of integral type with a given value.
+///
+/// Note that 'Value' is a string as the template argument's value is
+/// an arbitrary precision integer. 'Value' must be euqal to the canonical
+/// representation of that integral value in base 10.
+///
+/// Given
+/// \code
+///   template<int T> struct A {};
+///   C<42> c;
+/// \endcode
+/// classTemplateSpecializationDecl(
+///   hasAnyTemplateArgument(equalsIntegralValue("42")))
+///   matches the implicit instantiation of C in C<42>.
+AST_MATCHER_P(TemplateArgument, equalsIntegralValue,
+              std::string, Value) {
+  if (Node.getKind() != TemplateArgument::Integral)
+    return false;
+  return Node.getAsIntegral().toString(10) == Value;
+}
+
 /// \brief Matches C++ constructor declarations.
 ///
 /// Example matches Foo::Foo() and Foo::Foo(int)

Modified: cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp?rev=219408&r1=219407&r2=219408&view=diff
==============================================================================
--- cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp (original)
+++ cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp Thu Oct  9 08:06:22 2014
@@ -93,7 +93,6 @@ RegistryMaps::RegistryMaps() {
   REGISTER_OVERLOADED_2(references);
   REGISTER_OVERLOADED_2(thisPointerType);
 
-  REGISTER_MATCHER(CUDAKernelCallExpr);
   REGISTER_MATCHER(accessSpecDecl);
   REGISTER_MATCHER(alignOfExpr);
   REGISTER_MATCHER(allOf);
@@ -102,8 +101,8 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(argumentCountIs);
   REGISTER_MATCHER(arraySubscriptExpr);
   REGISTER_MATCHER(arrayType);
-  REGISTER_MATCHER(asString);
   REGISTER_MATCHER(asmStmt);
+  REGISTER_MATCHER(asString);
   REGISTER_MATCHER(atomicType);
   REGISTER_MATCHER(autoType);
   REGISTER_MATCHER(binaryOperator);
@@ -112,7 +111,6 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(boolLiteral);
   REGISTER_MATCHER(breakStmt);
   REGISTER_MATCHER(builtinType);
-  REGISTER_MATCHER(cStyleCastExpr);
   REGISTER_MATCHER(callExpr);
   REGISTER_MATCHER(caseStmt);
   REGISTER_MATCHER(castExpr);
@@ -124,18 +122,20 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(compoundLiteralExpr);
   REGISTER_MATCHER(compoundStmt);
   REGISTER_MATCHER(conditionalOperator);
-  REGISTER_MATCHER(constCastExpr);
   REGISTER_MATCHER(constantArrayType);
+  REGISTER_MATCHER(constCastExpr);
   REGISTER_MATCHER(constructExpr);
   REGISTER_MATCHER(constructorDecl);
   REGISTER_MATCHER(containsDeclaration);
   REGISTER_MATCHER(continueStmt);
+  REGISTER_MATCHER(cStyleCastExpr);
   REGISTER_MATCHER(ctorInitializer);
+  REGISTER_MATCHER(CUDAKernelCallExpr);
   REGISTER_MATCHER(decl);
+  REGISTER_MATCHER(declaratorDecl);
   REGISTER_MATCHER(declCountIs);
   REGISTER_MATCHER(declRefExpr);
   REGISTER_MATCHER(declStmt);
-  REGISTER_MATCHER(declaratorDecl);
   REGISTER_MATCHER(defaultArgExpr);
   REGISTER_MATCHER(defaultStmt);
   REGISTER_MATCHER(deleteExpr);
@@ -148,6 +148,7 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(enumConstantDecl);
   REGISTER_MATCHER(enumDecl);
   REGISTER_MATCHER(equalsBoundNode);
+  REGISTER_MATCHER(equalsIntegralValue);
   REGISTER_MATCHER(explicitCastExpr);
   REGISTER_MATCHER(expr);
   REGISTER_MATCHER(exprWithCleanups);
@@ -161,10 +162,10 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(forRangeStmt);
   REGISTER_MATCHER(forStmt);
   REGISTER_MATCHER(friendDecl);
+  REGISTER_MATCHER(functionalCastExpr);
   REGISTER_MATCHER(functionDecl);
   REGISTER_MATCHER(functionTemplateDecl);
   REGISTER_MATCHER(functionType);
-  REGISTER_MATCHER(functionalCastExpr);
   REGISTER_MATCHER(gotoStmt);
   REGISTER_MATCHER(has);
   REGISTER_MATCHER(hasAncestor);
@@ -183,8 +184,8 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(hasCaseConstant);
   REGISTER_MATCHER(hasCondition);
   REGISTER_MATCHER(hasConditionVariableStatement);
-  REGISTER_MATCHER(hasDeclContext);
   REGISTER_MATCHER(hasDeclaration);
+  REGISTER_MATCHER(hasDeclContext);
   REGISTER_MATCHER(hasDeducedType);
   REGISTER_MATCHER(hasDescendant);
   REGISTER_MATCHER(hasDestinationType);
@@ -210,8 +211,8 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(hasParameter);
   REGISTER_MATCHER(hasParent);
   REGISTER_MATCHER(hasQualifier);
-  REGISTER_MATCHER(hasRHS);
   REGISTER_MATCHER(hasRangeInit);
+  REGISTER_MATCHER(hasRHS);
   REGISTER_MATCHER(hasSingleDecl);
   REGISTER_MATCHER(hasSize);
   REGISTER_MATCHER(hasSizeExpr);
@@ -243,6 +244,7 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(isImplicit);
   REGISTER_MATCHER(isInstantiated);
   REGISTER_MATCHER(isInteger);
+  REGISTER_MATCHER(isIntegral);
   REGISTER_MATCHER(isInTemplateInstantiation);
   REGISTER_MATCHER(isListInitialization);
   REGISTER_MATCHER(isOverride);
@@ -253,9 +255,9 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(isTemplateInstantiation);
   REGISTER_MATCHER(isVirtual);
   REGISTER_MATCHER(isWritten);
-  REGISTER_MATCHER(lValueReferenceType);
   REGISTER_MATCHER(labelStmt);
   REGISTER_MATCHER(lambdaExpr);
+  REGISTER_MATCHER(lValueReferenceType);
   REGISTER_MATCHER(matchesName);
   REGISTER_MATCHER(materializeTemporaryExpr);
   REGISTER_MATCHER(member);
@@ -264,8 +266,8 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(memberPointerType);
   REGISTER_MATCHER(methodDecl);
   REGISTER_MATCHER(namedDecl);
-  REGISTER_MATCHER(namesType);
   REGISTER_MATCHER(namespaceDecl);
+  REGISTER_MATCHER(namesType);
   REGISTER_MATCHER(nestedNameSpecifier);
   REGISTER_MATCHER(nestedNameSpecifierLoc);
   REGISTER_MATCHER(newExpr);
@@ -281,15 +283,16 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(pointee);
   REGISTER_MATCHER(pointerType);
   REGISTER_MATCHER(qualType);
-  REGISTER_MATCHER(rValueReferenceType);
   REGISTER_MATCHER(recordDecl);
   REGISTER_MATCHER(recordType);
   REGISTER_MATCHER(referenceType);
   REGISTER_MATCHER(refersToDeclaration);
+  REGISTER_MATCHER(refersToIntegralType);
   REGISTER_MATCHER(refersToType);
   REGISTER_MATCHER(reinterpretCastExpr);
-  REGISTER_MATCHER(returnStmt);
   REGISTER_MATCHER(returns);
+  REGISTER_MATCHER(returnStmt);
+  REGISTER_MATCHER(rValueReferenceType);
   REGISTER_MATCHER(sizeOfExpr);
   REGISTER_MATCHER(specifiesNamespace);
   REGISTER_MATCHER(specifiesType);
@@ -301,6 +304,8 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(substNonTypeTemplateParmExpr);
   REGISTER_MATCHER(switchCase);
   REGISTER_MATCHER(switchStmt);
+  REGISTER_MATCHER(templateArgument);
+  REGISTER_MATCHER(templateArgumentCountIs);
   REGISTER_MATCHER(templateSpecializationType);
   REGISTER_MATCHER(temporaryObjectExpr);
   REGISTER_MATCHER(thisExpr);
@@ -309,8 +314,8 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(to);
   REGISTER_MATCHER(tryStmt);
   REGISTER_MATCHER(type);
-  REGISTER_MATCHER(typeLoc);
   REGISTER_MATCHER(typedefType);
+  REGISTER_MATCHER(typeLoc);
   REGISTER_MATCHER(unaryExprOrTypeTraitExpr);
   REGISTER_MATCHER(unaryOperator);
   REGISTER_MATCHER(unaryTransformType);

Modified: cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp?rev=219408&r1=219407&r2=219408&view=diff
==============================================================================
--- cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp (original)
+++ cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp Thu Oct  9 08:06:22 2014
@@ -1658,6 +1658,64 @@ TEST(Matcher, MatchesSpecificArgument) {
           1, refersToType(asString("int"))))));
 }
 
+TEST(TemplateArgument, Matches) {
+  EXPECT_TRUE(matches("template<typename T> struct C {}; C<int> c;",
+                      classTemplateSpecializationDecl(
+                          hasAnyTemplateArgument(templateArgument()))));
+  EXPECT_TRUE(matches(
+      "template<typename T> struct C {}; C<int> c;",
+      templateSpecializationType(hasAnyTemplateArgument(templateArgument()))));
+}
+
+TEST(TemplateArgumentCountIs, Matches) {
+  EXPECT_TRUE(
+      matches("template<typename T> struct C {}; C<int> c;",
+              classTemplateSpecializationDecl(templateArgumentCountIs(1))));
+  EXPECT_TRUE(
+      notMatches("template<typename T> struct C {}; C<int> c;",
+                 classTemplateSpecializationDecl(templateArgumentCountIs(2))));
+
+  EXPECT_TRUE(matches("template<typename T> struct C {}; C<int> c;",
+                      templateSpecializationType(templateArgumentCountIs(1))));
+  EXPECT_TRUE(
+      notMatches("template<typename T> struct C {}; C<int> c;",
+                 templateSpecializationType(templateArgumentCountIs(2))));
+}
+
+TEST(IsIntegral, Matches) {
+  EXPECT_TRUE(matches("template<int T> struct C {}; C<42> c;",
+                      classTemplateSpecializationDecl(
+                          hasAnyTemplateArgument(isIntegral()))));
+  EXPECT_TRUE(notMatches("template<typename T> struct C {}; C<int> c;",
+                         classTemplateSpecializationDecl(hasAnyTemplateArgument(
+                             templateArgument(isIntegral())))));
+}
+
+TEST(RefersToIntegralType, Matches) {
+  EXPECT_TRUE(matches("template<int T> struct C {}; C<42> c;",
+                      classTemplateSpecializationDecl(
+                          hasAnyTemplateArgument(refersToIntegralType(
+                              asString("int"))))));
+  EXPECT_TRUE(notMatches("template<unsigned T> struct C {}; C<42> c;",
+                         classTemplateSpecializationDecl(hasAnyTemplateArgument(
+                             refersToIntegralType(asString("int"))))));
+}
+
+TEST(EqualsIntegralValue, Matches) {
+  EXPECT_TRUE(matches("template<int T> struct C {}; C<42> c;",
+                      classTemplateSpecializationDecl(
+                          hasAnyTemplateArgument(equalsIntegralValue("42")))));
+  EXPECT_TRUE(matches("template<int T> struct C {}; C<-42> c;",
+                      classTemplateSpecializationDecl(
+                          hasAnyTemplateArgument(equalsIntegralValue("-42")))));
+  EXPECT_TRUE(matches("template<int T> struct C {}; C<-0042> c;",
+                      classTemplateSpecializationDecl(
+                          hasAnyTemplateArgument(equalsIntegralValue("-34")))));
+  EXPECT_TRUE(notMatches("template<int T> struct C {}; C<42> c;",
+                         classTemplateSpecializationDecl(hasAnyTemplateArgument(
+                             equalsIntegralValue("0042")))));
+}
+
 TEST(Matcher, MatchesAccessSpecDecls) {
   EXPECT_TRUE(matches("class C { public: int i; };", accessSpecDecl()));
   EXPECT_TRUE(





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