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Adding an AST node matcher for NonTypeTemplateParmDecl objects. 

llvm-svn: 249341
This commit is contained in:
Aaron Ballman 2015-10-05 19:44:42 +00:00
parent ae24400424
commit 478a8eb2b6
3 changed files with 30 additions and 1 deletions
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12
clang/docs/LibASTMatchersReference.html
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@ -316,6 +316,16 @@ namespaceDecl()
</pre></td></tr>
<tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('nonTypeTemplateParmDecl0')"><a name="nonTypeTemplateParmDecl0Anchor">nonTypeTemplateParmDecl</a></td><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1NonTypeTemplateParmDecl.html">NonTypeTemplateParmDecl</a>&gt;...</td></tr>
<tr><td colspan="4" class="doc" id="nonTypeTemplateParmDecl0"><pre>Matches non-type template parameter declarations.
Given
template &lt;typename T, int N&gt; struct C {};
templateArgument()
matches 'N', but not 'T'.
</pre></td></tr>
<tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('objcInterfaceDecl0')"><a name="objcInterfaceDecl0Anchor">objcInterfaceDecl</a></td><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1ObjCInterfaceDecl.html">ObjCInterfaceDecl</a>&gt;...</td></tr>
<tr><td colspan="4" class="doc" id="objcInterfaceDecl0"><pre>Matches Objective-C interface declarations.
@ -2213,7 +2223,7 @@ Usable as: Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1Functi
<tr><td>Matcher&lt<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('isVariadic0')"><a name="isVariadic0Anchor">isVariadic</a></td><td></td></tr>
<tr><td colspan="4" class="doc" id="isVariadic0"><pre>Matches if a function declaration is variadic.
Example matches f, but not g or h. The function i will not match, event when
Example matches f, but not g or h. The function i will not match, even when
compiled in C mode.
void f(...);
void g(int);

12
clang/include/clang/ASTMatchers/ASTMatchers.h
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@ -412,6 +412,18 @@ const internal::VariadicAllOfMatcher<CXXCtorInitializer> cxxCtorInitializer;
/// matches 'int' in C<int>.
const internal::VariadicAllOfMatcher<TemplateArgument> templateArgument;
/// \brief Matches non-type template parameter declarations.
///
/// Given
/// \code
/// template <typename T, int N> struct C {};
/// \endcode
/// templateArgument()
/// matches 'N', but not 'T'.
const internal::VariadicDynCastAllOfMatcher<
Decl,
NonTypeTemplateParmDecl> nonTypeTemplateParmDecl;
/// \brief Matches public C++ declarations.
///
/// Given

7
clang/unittests/ASTMatchers/ASTMatchersTest.cpp
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@ -1172,6 +1172,13 @@ TEST(Matcher, SubstNonTypeTemplateParm) {
substNonTypeTemplateParmExpr()));
}
TEST(Matcher, NonTypeTemplateParmDecl) {
EXPECT_TRUE(matches("template <int N> void f();",
nonTypeTemplateParmDecl(hasName("N"))));
EXPECT_TRUE(
notMatches("template <typename T> void f();", nonTypeTemplateParmDecl()));
}
TEST(Matcher, UserDefinedLiteral) {
EXPECT_TRUE(matches("constexpr char operator \"\" _inc (const char i) {"
" return i + 1;"