f4a2713ac8
Change-Id: Ia40e9ffdf29b5dab2f122f673ff6802a58bc690f
3675 lines
203 KiB
HTML
3675 lines
203 KiB
HTML
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<!--#include virtual="../menu.html.incl"-->
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<div id="content">
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<h1>AST Matcher Reference</h1>
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<p>This document shows all currently implemented matchers. The matchers are grouped
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by category and node type they match. You can click on matcher names to show the
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matcher's source documentation.</p>
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<p>There are three different basic categories of matchers:
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<ul>
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<li><a href="#decl-matchers">Node Matchers:</a> Matchers that match a specific type of AST node.</li>
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<li><a href="#narrowing-matchers">Narrowing Matchers:</a> Matchers that match attributes on AST nodes.</li>
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<li><a href="#traversal-matchers">Traversal Matchers:</a> Matchers that allow traversal between AST nodes.</li>
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</ul>
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</p>
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<p>Within each category the matchers are ordered by node type they match on.
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Note that if a matcher can match multiple node types, it will it will appear
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multiple times. This means that by searching for Matcher<Stmt> you can
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find all matchers that can be used to match on Stmt nodes.</p>
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<p>The exception to that rule are matchers that can match on any node. Those
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are marked with a * and are listed in the beginning of each category.</p>
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<p>Note that the categorization of matchers is a great help when you combine
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them into matcher expressions. You will usually want to form matcher expressions
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that read like english sentences by alternating between node matchers and
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narrowing or traversal matchers, like this:
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<pre>
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recordDecl(hasDescendant(
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ifStmt(hasTrueExpression(
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expr(hasDescendant(
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ifStmt()))))))
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</pre>
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</p>
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<!-- ======================================================================= -->
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<h2 id="decl-matchers">Node Matchers</h2>
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<!-- ======================================================================= -->
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<p>Node matchers are at the core of matcher expressions - they specify the type
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of node that is expected. Every match expression starts with a node matcher,
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which can then be further refined with a narrowing or traversal matcher. All
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traversal matchers take node matchers as their arguments.</p>
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<p>For convenience, all node matchers take an arbitrary number of arguments
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and implicitly act as allOf matchers.</p>
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<p>Node matchers are the only matchers that support the bind("id") call to
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bind the matched node to the given string, to be later retrieved from the
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match callback.</p>
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<p>It is important to remember that the arguments to node matchers are
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predicates on the same node, just with additional information about the type.
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This is often useful to make matcher expression more readable by inlining bind
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calls into redundant node matchers inside another node matcher:
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<pre>
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// This binds the CXXRecordDecl to "id", as the decl() matcher will stay on
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// the same node.
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recordDecl(decl().bind("id"), hasName("::MyClass"))
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</pre>
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</p>
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<table>
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<tr style="text-align:left"><th>Return type</th><th>Name</th><th>Parameters</th></tr>
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<!-- START_DECL_MATCHERS -->
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>></td><td class="name" onclick="toggle('ctorInitializer0')"><a name="ctorInitializer0Anchor">ctorInitializer</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="ctorInitializer0"><pre>Matches constructor initializers.
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Examples matches i(42).
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class C {
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C() : i(42) {}
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int i;
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};
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('accessSpecDecl0')"><a name="accessSpecDecl0Anchor">accessSpecDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1AccessSpecDecl.html">AccessSpecDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="accessSpecDecl0"><pre>Matches C++ access specifier declarations.
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Given
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class C {
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public:
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int a;
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};
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accessSpecDecl()
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matches 'public:'
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('classTemplateDecl0')"><a name="classTemplateDecl0Anchor">classTemplateDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ClassTemplateDecl.html">ClassTemplateDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="classTemplateDecl0"><pre>Matches C++ class template declarations.
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Example matches Z
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template<class T> class Z {};
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('classTemplateSpecializationDecl0')"><a name="classTemplateSpecializationDecl0Anchor">classTemplateSpecializationDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ClassTemplateSpecializationDecl.html">ClassTemplateSpecializationDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="classTemplateSpecializationDecl0"><pre>Matches C++ class template specializations.
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Given
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template<typename T> class A {};
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template<> class A<double> {};
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A<int> a;
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classTemplateSpecializationDecl()
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matches the specializations A<int> and A<double>
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('constructorDecl0')"><a name="constructorDecl0Anchor">constructorDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="constructorDecl0"><pre>Matches C++ constructor declarations.
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Example matches Foo::Foo() and Foo::Foo(int)
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class Foo {
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public:
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Foo();
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Foo(int);
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int DoSomething();
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};
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('decl0')"><a name="decl0Anchor">decl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="decl0"><pre>Matches declarations.
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Examples matches X, C, and the friend declaration inside C;
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void X();
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class C {
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friend X;
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};
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('declaratorDecl0')"><a name="declaratorDecl0Anchor">declaratorDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclaratorDecl.html">DeclaratorDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="declaratorDecl0"><pre>Matches declarator declarations (field, variable, function
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and non-type template parameter declarations).
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Given
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class X { int y; };
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declaratorDecl()
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matches int y.
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('destructorDecl0')"><a name="destructorDecl0Anchor">destructorDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXDestructorDecl.html">CXXDestructorDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="destructorDecl0"><pre>Matches explicit C++ destructor declarations.
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Example matches Foo::~Foo()
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class Foo {
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public:
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virtual ~Foo();
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};
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('enumConstantDecl0')"><a name="enumConstantDecl0Anchor">enumConstantDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumConstantDecl.html">EnumConstantDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="enumConstantDecl0"><pre>Matches enum constants.
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Example matches A, B, C
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enum X {
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A, B, C
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};
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('enumDecl0')"><a name="enumDecl0Anchor">enumDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumDecl.html">EnumDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="enumDecl0"><pre>Matches enum declarations.
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Example matches X
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enum X {
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A, B, C
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};
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('fieldDecl0')"><a name="fieldDecl0Anchor">fieldDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FieldDecl.html">FieldDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="fieldDecl0"><pre>Matches field declarations.
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Given
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class X { int m; };
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fieldDecl()
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matches 'm'.
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('friendDecl0')"><a name="friendDecl0Anchor">friendDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FriendDecl.html">FriendDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="friendDecl0"><pre>Matches friend declarations.
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Given
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class X { friend void foo(); };
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friendDecl()
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matches 'friend void foo()'.
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('functionDecl0')"><a name="functionDecl0Anchor">functionDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="functionDecl0"><pre>Matches function declarations.
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Example matches f
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void f();
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('functionTemplateDecl0')"><a name="functionTemplateDecl0Anchor">functionTemplateDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionTemplateDecl.html">FunctionTemplateDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="functionTemplateDecl0"><pre>Matches C++ function template declarations.
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Example matches f
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template<class T> void f(T t) {}
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('methodDecl0')"><a name="methodDecl0Anchor">methodDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="methodDecl0"><pre>Matches method declarations.
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Example matches y
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class X { void y() };
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('namedDecl0')"><a name="namedDecl0Anchor">namedDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="namedDecl0"><pre>Matches a declaration of anything that could have a name.
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Example matches X, S, the anonymous union type, i, and U;
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typedef int X;
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struct S {
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union {
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int i;
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} U;
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};
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('namespaceDecl0')"><a name="namespaceDecl0Anchor">namespaceDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NamespaceDecl.html">NamespaceDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="namespaceDecl0"><pre>Matches a declaration of a namespace.
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Given
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namespace {}
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namespace test {}
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namespaceDecl()
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matches "namespace {}" and "namespace test {}"
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('parmVarDecl0')"><a name="parmVarDecl0Anchor">parmVarDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="parmVarDecl0"><pre>Matches parameter variable declarations.
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Given
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void f(int x);
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parmVarDecl()
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matches int x.
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('recordDecl0')"><a name="recordDecl0Anchor">recordDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="recordDecl0"><pre>Matches C++ class declarations.
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Example matches X, Z
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class X;
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template<class T> class Z {};
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('unresolvedUsingValueDecl0')"><a name="unresolvedUsingValueDecl0Anchor">unresolvedUsingValueDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingValueDecl.html">UnresolvedUsingValueDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="unresolvedUsingValueDecl0"><pre>Matches unresolved using value declarations.
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Given
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template<typename X>
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class C : private X {
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using X::x;
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};
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unresolvedUsingValueDecl()
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matches using X::x </pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('usingDecl0')"><a name="usingDecl0Anchor">usingDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UsingDecl.html">UsingDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="usingDecl0"><pre>Matches using declarations.
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Given
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namespace X { int x; }
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using X::x;
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usingDecl()
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matches using X::x </pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('varDecl0')"><a name="varDecl0Anchor">varDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="varDecl0"><pre>Matches variable declarations.
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Note: this does not match declarations of member variables, which are
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"field" declarations in Clang parlance.
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Example matches a
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int a;
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>></td><td class="name" onclick="toggle('nestedNameSpecifierLoc0')"><a name="nestedNameSpecifierLoc0Anchor">nestedNameSpecifierLoc</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="nestedNameSpecifierLoc0"><pre>Same as nestedNameSpecifier but matches NestedNameSpecifierLoc.
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>></td><td class="name" onclick="toggle('nestedNameSpecifier0')"><a name="nestedNameSpecifier0Anchor">nestedNameSpecifier</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="nestedNameSpecifier0"><pre>Matches nested name specifiers.
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Given
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namespace ns {
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struct A { static void f(); };
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void A::f() {}
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void g() { A::f(); }
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}
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ns::A a;
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nestedNameSpecifier()
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matches "ns::" and both "A::"
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('qualType0')"><a name="qualType0Anchor">qualType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="qualType0"><pre>Matches QualTypes in the clang AST.
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('arraySubscriptExpr0')"><a name="arraySubscriptExpr0Anchor">arraySubscriptExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ArraySubscriptExpr.html">ArraySubscriptExpr</a>>...</td></tr>
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<tr><td colspan="4" class="doc" id="arraySubscriptExpr0"><pre>Matches array subscript expressions.
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Given
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int i = a[1];
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arraySubscriptExpr()
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matches "a[1]"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('asmStmt0')"><a name="asmStmt0Anchor">asmStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1AsmStmt.html">AsmStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="asmStmt0"><pre>Matches asm statements.
|
|
|
|
int i = 100;
|
|
__asm("mov al, 2");
|
|
asmStmt()
|
|
matches '__asm("mov al, 2")'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('binaryOperator0')"><a name="binaryOperator0Anchor">binaryOperator</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BinaryOperator.html">BinaryOperator</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="binaryOperator0"><pre>Matches binary operator expressions.
|
|
|
|
Example matches a || b
|
|
!(a || b)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('bindTemporaryExpr0')"><a name="bindTemporaryExpr0Anchor">bindTemporaryExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXBindTemporaryExpr.html">CXXBindTemporaryExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="bindTemporaryExpr0"><pre>Matches nodes where temporaries are created.
|
|
|
|
Example matches FunctionTakesString(GetStringByValue())
|
|
(matcher = bindTemporaryExpr())
|
|
FunctionTakesString(GetStringByValue());
|
|
FunctionTakesStringByPointer(GetStringPointer());
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('boolLiteral0')"><a name="boolLiteral0Anchor">boolLiteral</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXBoolLiteralExpr.html">CXXBoolLiteralExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="boolLiteral0"><pre>Matches bool literals.
|
|
|
|
Example matches true
|
|
true
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('breakStmt0')"><a name="breakStmt0Anchor">breakStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BreakStmt.html">BreakStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="breakStmt0"><pre>Matches break statements.
|
|
|
|
Given
|
|
while (true) { break; }
|
|
breakStmt()
|
|
matches 'break'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('cStyleCastExpr0')"><a name="cStyleCastExpr0Anchor">cStyleCastExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CStyleCastExpr.html">CStyleCastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="cStyleCastExpr0"><pre>Matches a C-style cast expression.
|
|
|
|
Example: Matches (int*) 2.2f in
|
|
int i = (int) 2.2f;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('callExpr0')"><a name="callExpr0Anchor">callExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="callExpr0"><pre>Matches call expressions.
|
|
|
|
Example matches x.y() and y()
|
|
X x;
|
|
x.y();
|
|
y();
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('caseStmt0')"><a name="caseStmt0Anchor">caseStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CaseStmt.html">CaseStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="caseStmt0"><pre>Matches case statements inside switch statements.
|
|
|
|
Given
|
|
switch(a) { case 42: break; default: break; }
|
|
caseStmt()
|
|
matches 'case 42: break;'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('castExpr0')"><a name="castExpr0Anchor">castExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CastExpr.html">CastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="castExpr0"><pre>Matches any cast nodes of Clang's AST.
|
|
|
|
Example: castExpr() matches each of the following:
|
|
(int) 3;
|
|
const_cast<Expr *>(SubExpr);
|
|
char c = 0;
|
|
but does not match
|
|
int i = (0);
|
|
int k = 0;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('catchStmt0')"><a name="catchStmt0Anchor">catchStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCatchStmt.html">CXXCatchStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="catchStmt0"><pre>Matches catch statements.
|
|
|
|
try {} catch(int i) {}
|
|
catchStmt()
|
|
matches 'catch(int i)'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('characterLiteral0')"><a name="characterLiteral0Anchor">characterLiteral</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="characterLiteral0"><pre>Matches character literals (also matches wchar_t).
|
|
|
|
Not matching Hex-encoded chars (e.g. 0x1234, which is a IntegerLiteral),
|
|
though.
|
|
|
|
Example matches 'a', L'a'
|
|
char ch = 'a'; wchar_t chw = L'a';
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('compoundLiteralExpr0')"><a name="compoundLiteralExpr0Anchor">compoundLiteralExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CompoundLiteralExpr.html">CompoundLiteralExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="compoundLiteralExpr0"><pre>Matches compound (i.e. non-scalar) literals
|
|
|
|
Example match: {1}, (1, 2)
|
|
int array[4] = {1}; vector int myvec = (vector int)(1, 2);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('compoundStmt0')"><a name="compoundStmt0Anchor">compoundStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CompoundStmt.html">CompoundStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="compoundStmt0"><pre>Matches compound statements.
|
|
|
|
Example matches '{}' and '{{}}'in 'for (;;) {{}}'
|
|
for (;;) {{}}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('conditionalOperator0')"><a name="conditionalOperator0Anchor">conditionalOperator</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ConditionalOperator.html">ConditionalOperator</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="conditionalOperator0"><pre>Matches conditional operator expressions.
|
|
|
|
Example matches a ? b : c
|
|
(a ? b : c) + 42
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('constCastExpr0')"><a name="constCastExpr0Anchor">constCastExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstCastExpr.html">CXXConstCastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="constCastExpr0"><pre>Matches a const_cast expression.
|
|
|
|
Example: Matches const_cast<int*>(&r) in
|
|
int n = 42;
|
|
const int &r(n);
|
|
int* p = const_cast<int*>(&r);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('constructExpr0')"><a name="constructExpr0Anchor">constructExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="constructExpr0"><pre>Matches constructor call expressions (including implicit ones).
|
|
|
|
Example matches string(ptr, n) and ptr within arguments of f
|
|
(matcher = constructExpr())
|
|
void f(const string &a, const string &b);
|
|
char *ptr;
|
|
int n;
|
|
f(string(ptr, n), ptr);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('continueStmt0')"><a name="continueStmt0Anchor">continueStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ContinueStmt.html">ContinueStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="continueStmt0"><pre>Matches continue statements.
|
|
|
|
Given
|
|
while (true) { continue; }
|
|
continueStmt()
|
|
matches 'continue'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('declRefExpr0')"><a name="declRefExpr0Anchor">declRefExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="declRefExpr0"><pre>Matches expressions that refer to declarations.
|
|
|
|
Example matches x in if (x)
|
|
bool x;
|
|
if (x) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('declStmt0')"><a name="declStmt0Anchor">declStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclStmt.html">DeclStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="declStmt0"><pre>Matches declaration statements.
|
|
|
|
Given
|
|
int a;
|
|
declStmt()
|
|
matches 'int a'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('defaultArgExpr0')"><a name="defaultArgExpr0Anchor">defaultArgExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXDefaultArgExpr.html">CXXDefaultArgExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="defaultArgExpr0"><pre>Matches the value of a default argument at the call site.
|
|
|
|
Example matches the CXXDefaultArgExpr placeholder inserted for the
|
|
default value of the second parameter in the call expression f(42)
|
|
(matcher = defaultArgExpr())
|
|
void f(int x, int y = 0);
|
|
f(42);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('defaultStmt0')"><a name="defaultStmt0Anchor">defaultStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DefaultStmt.html">DefaultStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="defaultStmt0"><pre>Matches default statements inside switch statements.
|
|
|
|
Given
|
|
switch(a) { case 42: break; default: break; }
|
|
defaultStmt()
|
|
matches 'default: break;'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('deleteExpr0')"><a name="deleteExpr0Anchor">deleteExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXDeleteExpr.html">CXXDeleteExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="deleteExpr0"><pre>Matches delete expressions.
|
|
|
|
Given
|
|
delete X;
|
|
deleteExpr()
|
|
matches 'delete X'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('doStmt0')"><a name="doStmt0Anchor">doStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DoStmt.html">DoStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="doStmt0"><pre>Matches do statements.
|
|
|
|
Given
|
|
do {} while (true);
|
|
doStmt()
|
|
matches 'do {} while(true)'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('dynamicCastExpr0')"><a name="dynamicCastExpr0Anchor">dynamicCastExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXDynamicCastExpr.html">CXXDynamicCastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="dynamicCastExpr0"><pre>Matches a dynamic_cast expression.
|
|
|
|
Example:
|
|
dynamicCastExpr()
|
|
matches
|
|
dynamic_cast<D*>(&b);
|
|
in
|
|
struct B { virtual ~B() {} }; struct D : B {};
|
|
B b;
|
|
D* p = dynamic_cast<D*>(&b);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('explicitCastExpr0')"><a name="explicitCastExpr0Anchor">explicitCastExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ExplicitCastExpr.html">ExplicitCastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="explicitCastExpr0"><pre>Matches explicit cast expressions.
|
|
|
|
Matches any cast expression written in user code, whether it be a
|
|
C-style cast, a functional-style cast, or a keyword cast.
|
|
|
|
Does not match implicit conversions.
|
|
|
|
Note: the name "explicitCast" is chosen to match Clang's terminology, as
|
|
Clang uses the term "cast" to apply to implicit conversions as well as to
|
|
actual cast expressions.
|
|
|
|
hasDestinationType.
|
|
|
|
Example: matches all five of the casts in
|
|
int((int)(reinterpret_cast<int>(static_cast<int>(const_cast<int>(42)))))
|
|
but does not match the implicit conversion in
|
|
long ell = 42;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('expr0')"><a name="expr0Anchor">expr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="expr0"><pre>Matches expressions.
|
|
|
|
Example matches x()
|
|
void f() { x(); }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('floatLiteral0')"><a name="floatLiteral0Anchor">floatLiteral</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="floatLiteral0"><pre>Matches float literals of all sizes encodings, e.g.
|
|
1.0, 1.0f, 1.0L and 1e10.
|
|
|
|
Does not match implicit conversions such as
|
|
float a = 10;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('forRangeStmt0')"><a name="forRangeStmt0Anchor">forRangeStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXForRangeStmt.html">CXXForRangeStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="forRangeStmt0"><pre>Matches range-based for statements.
|
|
|
|
forRangeStmt() matches 'for (auto a : i)'
|
|
int i[] = {1, 2, 3}; for (auto a : i);
|
|
for(int j = 0; j < 5; ++j);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('forStmt0')"><a name="forStmt0Anchor">forStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ForStmt.html">ForStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="forStmt0"><pre>Matches for statements.
|
|
|
|
Example matches 'for (;;) {}'
|
|
for (;;) {}
|
|
int i[] = {1, 2, 3}; for (auto a : i);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('functionalCastExpr0')"><a name="functionalCastExpr0Anchor">functionalCastExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXFunctionalCastExpr.html">CXXFunctionalCastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="functionalCastExpr0"><pre>Matches functional cast expressions
|
|
|
|
Example: Matches Foo(bar);
|
|
Foo f = bar;
|
|
Foo g = (Foo) bar;
|
|
Foo h = Foo(bar);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('gotoStmt0')"><a name="gotoStmt0Anchor">gotoStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1GotoStmt.html">GotoStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="gotoStmt0"><pre>Matches goto statements.
|
|
|
|
Given
|
|
goto FOO;
|
|
FOO: bar();
|
|
gotoStmt()
|
|
matches 'goto FOO'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('ifStmt0')"><a name="ifStmt0Anchor">ifStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1IfStmt.html">IfStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ifStmt0"><pre>Matches if statements.
|
|
|
|
Example matches 'if (x) {}'
|
|
if (x) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('implicitCastExpr0')"><a name="implicitCastExpr0Anchor">implicitCastExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ImplicitCastExpr.html">ImplicitCastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="implicitCastExpr0"><pre>Matches the implicit cast nodes of Clang's AST.
|
|
|
|
This matches many different places, including function call return value
|
|
eliding, as well as any type conversions.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('initListExpr0')"><a name="initListExpr0Anchor">initListExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1InitListExpr.html">InitListExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="initListExpr0"><pre>Matches init list expressions.
|
|
|
|
Given
|
|
int a[] = { 1, 2 };
|
|
struct B { int x, y; };
|
|
B b = { 5, 6 };
|
|
initList()
|
|
matches "{ 1, 2 }" and "{ 5, 6 }"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('integerLiteral0')"><a name="integerLiteral0Anchor">integerLiteral</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="integerLiteral0"><pre>Matches integer literals of all sizes encodings, e.g.
|
|
1, 1L, 0x1 and 1U.
|
|
|
|
Does not match character-encoded integers such as L'a'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('labelStmt0')"><a name="labelStmt0Anchor">labelStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="labelStmt0"><pre>Matches label statements.
|
|
|
|
Given
|
|
goto FOO;
|
|
FOO: bar();
|
|
labelStmt()
|
|
matches 'FOO:'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('lambdaExpr0')"><a name="lambdaExpr0Anchor">lambdaExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LambdaExpr.html">LambdaExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="lambdaExpr0"><pre>Matches lambda expressions.
|
|
|
|
Example matches [&](){return 5;}
|
|
[&](){return 5;}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('materializeTemporaryExpr0')"><a name="materializeTemporaryExpr0Anchor">materializeTemporaryExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MaterializeTemporaryExpr.html">MaterializeTemporaryExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="materializeTemporaryExpr0"><pre>Matches nodes where temporaries are materialized.
|
|
|
|
Example: Given
|
|
struct T {void func()};
|
|
T f();
|
|
void g(T);
|
|
materializeTemporaryExpr() matches 'f()' in these statements
|
|
T u(f());
|
|
g(f());
|
|
but does not match
|
|
f();
|
|
f().func();
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('memberCallExpr0')"><a name="memberCallExpr0Anchor">memberCallExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMemberCallExpr.html">CXXMemberCallExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="memberCallExpr0"><pre>Matches member call expressions.
|
|
|
|
Example matches x.y()
|
|
X x;
|
|
x.y();
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('memberExpr0')"><a name="memberExpr0Anchor">memberExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="memberExpr0"><pre>Matches member expressions.
|
|
|
|
Given
|
|
class Y {
|
|
void x() { this->x(); x(); Y y; y.x(); a; this->b; Y::b; }
|
|
int a; static int b;
|
|
};
|
|
memberExpr()
|
|
matches this->x, x, y.x, a, this->b
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('newExpr0')"><a name="newExpr0Anchor">newExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="newExpr0"><pre>Matches new expressions.
|
|
|
|
Given
|
|
new X;
|
|
newExpr()
|
|
matches 'new X'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('nullPtrLiteralExpr0')"><a name="nullPtrLiteralExpr0Anchor">nullPtrLiteralExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXNullPtrLiteralExpr.html">CXXNullPtrLiteralExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="nullPtrLiteralExpr0"><pre>Matches nullptr literal.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('nullStmt0')"><a name="nullStmt0Anchor">nullStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NullStmt.html">NullStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="nullStmt0"><pre>Matches null statements.
|
|
|
|
foo();;
|
|
nullStmt()
|
|
matches the second ';'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('operatorCallExpr0')"><a name="operatorCallExpr0Anchor">operatorCallExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXOperatorCallExpr.html">CXXOperatorCallExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="operatorCallExpr0"><pre>Matches overloaded operator calls.
|
|
|
|
Note that if an operator isn't overloaded, it won't match. Instead, use
|
|
binaryOperator matcher.
|
|
Currently it does not match operators such as new delete.
|
|
FIXME: figure out why these do not match?
|
|
|
|
Example matches both operator<<((o << b), c) and operator<<(o, b)
|
|
(matcher = operatorCallExpr())
|
|
ostream &operator<< (ostream &out, int i) { };
|
|
ostream &o; int b = 1, c = 1;
|
|
o << b << c;
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('reinterpretCastExpr0')"><a name="reinterpretCastExpr0Anchor">reinterpretCastExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXReinterpretCastExpr.html">CXXReinterpretCastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="reinterpretCastExpr0"><pre>Matches a reinterpret_cast expression.
|
|
|
|
Either the source expression or the destination type can be matched
|
|
using has(), but hasDestinationType() is more specific and can be
|
|
more readable.
|
|
|
|
Example matches reinterpret_cast<char*>(&p) in
|
|
void* p = reinterpret_cast<char*>(&p);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('returnStmt0')"><a name="returnStmt0Anchor">returnStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ReturnStmt.html">ReturnStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="returnStmt0"><pre>Matches return statements.
|
|
|
|
Given
|
|
return 1;
|
|
returnStmt()
|
|
matches 'return 1'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('staticCastExpr0')"><a name="staticCastExpr0Anchor">staticCastExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXStaticCastExpr.html">CXXStaticCastExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="staticCastExpr0"><pre>Matches a C++ static_cast expression.
|
|
|
|
hasDestinationType
|
|
reinterpretCast
|
|
|
|
Example:
|
|
staticCastExpr()
|
|
matches
|
|
static_cast<long>(8)
|
|
in
|
|
long eight(static_cast<long>(8));
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('stmt0')"><a name="stmt0Anchor">stmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="stmt0"><pre>Matches statements.
|
|
|
|
Given
|
|
{ ++a; }
|
|
stmt()
|
|
matches both the compound statement '{ ++a; }' and '++a'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('stringLiteral0')"><a name="stringLiteral0Anchor">stringLiteral</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1StringLiteral.html">StringLiteral</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="stringLiteral0"><pre>Matches string literals (also matches wide string literals).
|
|
|
|
Example matches "abcd", L"abcd"
|
|
char *s = "abcd"; wchar_t *ws = L"abcd"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('switchCase0')"><a name="switchCase0Anchor">switchCase</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1SwitchCase.html">SwitchCase</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="switchCase0"><pre>Matches case and default statements inside switch statements.
|
|
|
|
Given
|
|
switch(a) { case 42: break; default: break; }
|
|
switchCase()
|
|
matches 'case 42: break;' and 'default: break;'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('switchStmt0')"><a name="switchStmt0Anchor">switchStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1SwitchStmt.html">SwitchStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="switchStmt0"><pre>Matches switch statements.
|
|
|
|
Given
|
|
switch(a) { case 42: break; default: break; }
|
|
switchStmt()
|
|
matches 'switch(a)'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('temporaryObjectExpr0')"><a name="temporaryObjectExpr0Anchor">temporaryObjectExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXTemporaryObjectExpr.html">CXXTemporaryObjectExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="temporaryObjectExpr0"><pre>Matches functional cast expressions having N != 1 arguments
|
|
|
|
Example: Matches Foo(bar, bar)
|
|
Foo h = Foo(bar, bar);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('thisExpr0')"><a name="thisExpr0Anchor">thisExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXThisExpr.html">CXXThisExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="thisExpr0"><pre>Matches implicit and explicit this expressions.
|
|
|
|
Example matches the implicit this expression in "return i".
|
|
(matcher = thisExpr())
|
|
struct foo {
|
|
int i;
|
|
int f() { return i; }
|
|
};
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('throwExpr0')"><a name="throwExpr0Anchor">throwExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXThrowExpr.html">CXXThrowExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="throwExpr0"><pre>Matches throw expressions.
|
|
|
|
try { throw 5; } catch(int i) {}
|
|
throwExpr()
|
|
matches 'throw 5'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('tryStmt0')"><a name="tryStmt0Anchor">tryStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXTryStmt.html">CXXTryStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="tryStmt0"><pre>Matches try statements.
|
|
|
|
try {} catch(int i) {}
|
|
tryStmt()
|
|
matches 'try {}'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('unaryExprOrTypeTraitExpr0')"><a name="unaryExprOrTypeTraitExpr0Anchor">unaryExprOrTypeTraitExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryExprOrTypeTraitExpr.html">UnaryExprOrTypeTraitExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="unaryExprOrTypeTraitExpr0"><pre>Matches sizeof (C99), alignof (C++11) and vec_step (OpenCL)
|
|
|
|
Given
|
|
Foo x = bar;
|
|
int y = sizeof(x) + alignof(x);
|
|
unaryExprOrTypeTraitExpr()
|
|
matches sizeof(x) and alignof(x)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('unaryOperator0')"><a name="unaryOperator0Anchor">unaryOperator</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryOperator.html">UnaryOperator</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="unaryOperator0"><pre>Matches unary operator expressions.
|
|
|
|
Example matches !a
|
|
!a || b
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('unresolvedConstructExpr0')"><a name="unresolvedConstructExpr0Anchor">unresolvedConstructExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXUnresolvedConstructExpr.html">CXXUnresolvedConstructExpr</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="unresolvedConstructExpr0"><pre>Matches unresolved constructor call expressions.
|
|
|
|
Example matches T(t) in return statement of f
|
|
(matcher = unresolvedConstructExpr())
|
|
template <typename T>
|
|
void f(const T& t) { return T(t); }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('userDefinedLiteral0')"><a name="userDefinedLiteral0Anchor">userDefinedLiteral</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UserDefinedLiteral.html">UserDefinedLiteral</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="userDefinedLiteral0"><pre>Matches user defined literal operator call.
|
|
|
|
Example match: "foo"_suffix
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('whileStmt0')"><a name="whileStmt0Anchor">whileStmt</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1WhileStmt.html">WhileStmt</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="whileStmt0"><pre>Matches while statements.
|
|
|
|
Given
|
|
while (true) {}
|
|
whileStmt()
|
|
matches 'while (true) {}'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<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<<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>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('arrayType0')"><a name="arrayType0Anchor">arrayType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ArrayType.html">ArrayType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="arrayType0"><pre>Matches all kinds of arrays.
|
|
|
|
Given
|
|
int a[] = { 2, 3 };
|
|
int b[4];
|
|
void f() { int c[a[0]]; }
|
|
arrayType()
|
|
matches "int a[]", "int b[4]" and "int c[a[0]]";
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('atomicType0')"><a name="atomicType0Anchor">atomicType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1AtomicType.html">AtomicType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="atomicType0"><pre>Matches atomic types.
|
|
|
|
Given
|
|
_Atomic(int) i;
|
|
atomicType()
|
|
matches "_Atomic(int) i"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('autoType0')"><a name="autoType0Anchor">autoType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1AutoType.html">AutoType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="autoType0"><pre>Matches types nodes representing C++11 auto types.
|
|
|
|
Given:
|
|
auto n = 4;
|
|
int v[] = { 2, 3 }
|
|
for (auto i : v) { }
|
|
autoType()
|
|
matches "auto n" and "auto i"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('blockPointerType0')"><a name="blockPointerType0Anchor">blockPointerType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="blockPointerType0"><pre>Matches block pointer types, i.e. types syntactically represented as
|
|
"void (^)(int)".
|
|
|
|
The pointee is always required to be a FunctionType.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('builtinType0')"><a name="builtinType0Anchor">builtinType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BuiltinType.html">BuiltinType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="builtinType0"><pre>Matches builtin Types.
|
|
|
|
Given
|
|
struct A {};
|
|
A a;
|
|
int b;
|
|
float c;
|
|
bool d;
|
|
builtinType()
|
|
matches "int b", "float c" and "bool d"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('complexType0')"><a name="complexType0Anchor">complexType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ComplexType.html">ComplexType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="complexType0"><pre>Matches C99 complex types.
|
|
|
|
Given
|
|
_Complex float f;
|
|
complexType()
|
|
matches "_Complex float f"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('constantArrayType0')"><a name="constantArrayType0Anchor">constantArrayType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ConstantArrayType.html">ConstantArrayType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="constantArrayType0"><pre>Matches C arrays with a specified constant size.
|
|
|
|
Given
|
|
void() {
|
|
int a[2];
|
|
int b[] = { 2, 3 };
|
|
int c[b[0]];
|
|
}
|
|
constantArrayType()
|
|
matches "int a[2]"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('dependentSizedArrayType0')"><a name="dependentSizedArrayType0Anchor">dependentSizedArrayType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DependentSizedArrayType.html">DependentSizedArrayType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="dependentSizedArrayType0"><pre>Matches C++ arrays whose size is a value-dependent expression.
|
|
|
|
Given
|
|
template<typename T, int Size>
|
|
class array {
|
|
T data[Size];
|
|
};
|
|
dependentSizedArrayType
|
|
matches "T data[Size]"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('elaboratedType0')"><a name="elaboratedType0Anchor">elaboratedType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ElaboratedType.html">ElaboratedType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="elaboratedType0"><pre>Matches types specified with an elaborated type keyword or with a
|
|
qualified name.
|
|
|
|
Given
|
|
namespace N {
|
|
namespace M {
|
|
class D {};
|
|
}
|
|
}
|
|
class C {};
|
|
|
|
class C c;
|
|
N::M::D d;
|
|
|
|
elaboratedType() matches the type of the variable declarations of both
|
|
c and d.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('functionType0')"><a name="functionType0Anchor">functionType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionType.html">FunctionType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="functionType0"><pre>Matches FunctionType nodes.
|
|
|
|
Given
|
|
int (*f)(int);
|
|
void g();
|
|
functionType()
|
|
matches "int (*f)(int)" and the type of "g".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('incompleteArrayType0')"><a name="incompleteArrayType0Anchor">incompleteArrayType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1IncompleteArrayType.html">IncompleteArrayType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="incompleteArrayType0"><pre>Matches C arrays with unspecified size.
|
|
|
|
Given
|
|
int a[] = { 2, 3 };
|
|
int b[42];
|
|
void f(int c[]) { int d[a[0]]; };
|
|
incompleteArrayType()
|
|
matches "int a[]" and "int c[]"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('lValueReferenceType0')"><a name="lValueReferenceType0Anchor">lValueReferenceType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LValueReferenceType.html">LValueReferenceType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="lValueReferenceType0"><pre>Matches lvalue reference types.
|
|
|
|
Given:
|
|
int *a;
|
|
int &b = *a;
|
|
int &&c = 1;
|
|
auto &d = b;
|
|
auto &&e = c;
|
|
auto &&f = 2;
|
|
int g = 5;
|
|
|
|
lValueReferenceType() matches the types of b, d, and e. e is
|
|
matched since the type is deduced as int& by reference collapsing rules.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('memberPointerType0')"><a name="memberPointerType0Anchor">memberPointerType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="memberPointerType0"><pre>Matches member pointer types.
|
|
Given
|
|
struct A { int i; }
|
|
A::* ptr = A::i;
|
|
memberPointerType()
|
|
matches "A::* ptr"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('parenType0')"><a name="parenType0Anchor">parenType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ParenType.html">ParenType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="parenType0"><pre>Matches ParenType nodes.
|
|
|
|
Given
|
|
int (*ptr_to_array)[4];
|
|
int *array_of_ptrs[4];
|
|
|
|
varDecl(hasType(pointsTo(parenType()))) matches ptr_to_array but not
|
|
array_of_ptrs.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('pointerType0')"><a name="pointerType0Anchor">pointerType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointerType0"><pre>Matches pointer types.
|
|
|
|
Given
|
|
int *a;
|
|
int &b = *a;
|
|
int c = 5;
|
|
pointerType()
|
|
matches "int *a"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('rValueReferenceType0')"><a name="rValueReferenceType0Anchor">rValueReferenceType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RValueReferenceType.html">RValueReferenceType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="rValueReferenceType0"><pre>Matches rvalue reference types.
|
|
|
|
Given:
|
|
int *a;
|
|
int &b = *a;
|
|
int &&c = 1;
|
|
auto &d = b;
|
|
auto &&e = c;
|
|
auto &&f = 2;
|
|
int g = 5;
|
|
|
|
rValueReferenceType() matches the types of c and f. e is not
|
|
matched as it is deduced to int& by reference collapsing rules.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('recordType0')"><a name="recordType0Anchor">recordType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="recordType0"><pre>Matches record types (e.g. structs, classes).
|
|
|
|
Given
|
|
class C {};
|
|
struct S {};
|
|
|
|
C c;
|
|
S s;
|
|
|
|
recordType() matches the type of the variable declarations of both c
|
|
and s.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('referenceType0')"><a name="referenceType0Anchor">referenceType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="referenceType0"><pre>Matches both lvalue and rvalue reference types.
|
|
|
|
Given
|
|
int *a;
|
|
int &b = *a;
|
|
int &&c = 1;
|
|
auto &d = b;
|
|
auto &&e = c;
|
|
auto &&f = 2;
|
|
int g = 5;
|
|
|
|
referenceType() matches the types of b, c, d, e, and f.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('templateSpecializationType0')"><a name="templateSpecializationType0Anchor">templateSpecializationType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="templateSpecializationType0"><pre>Matches template specialization types.
|
|
|
|
Given
|
|
template <typename T>
|
|
class C { };
|
|
|
|
template class C<int>; A
|
|
C<char> var; B
|
|
|
|
templateSpecializationType() matches the type of the explicit
|
|
instantiation in A and the type of the variable declaration in B.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('type0')"><a name="type0Anchor">type</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="type0"><pre>Matches Types in the clang AST.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('typedefType0')"><a name="typedefType0Anchor">typedefType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="typedefType0"><pre>Matches typedef types.
|
|
|
|
Given
|
|
typedef int X;
|
|
typedefType()
|
|
matches "typedef int X"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('unaryTransformType0')"><a name="unaryTransformType0Anchor">unaryTransformType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryTransformType.html">UnaryTransformType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="unaryTransformType0"><pre>Matches types nodes representing unary type transformations.
|
|
|
|
Given:
|
|
typedef __underlying_type(T) type;
|
|
unaryTransformType()
|
|
matches "__underlying_type(T)"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('variableArrayType0')"><a name="variableArrayType0Anchor">variableArrayType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VariableArrayType.html">VariableArrayType</a>>...</td></tr>
|
|
<tr><td colspan="4" class="doc" id="variableArrayType0"><pre>Matches C arrays with a specified size that is not an
|
|
integer-constant-expression.
|
|
|
|
Given
|
|
void f() {
|
|
int a[] = { 2, 3 }
|
|
int b[42];
|
|
int c[a[0]];
|
|
variableArrayType()
|
|
matches "int c[a[0]]"
|
|
</pre></td></tr>
|
|
|
|
<!--END_DECL_MATCHERS -->
|
|
</table>
|
|
|
|
<!-- ======================================================================= -->
|
|
<h2 id="narrowing-matchers">Narrowing Matchers</h2>
|
|
<!-- ======================================================================= -->
|
|
|
|
<p>Narrowing matchers match certain attributes on the current node, thus
|
|
narrowing down the set of nodes of the current type to match on.</p>
|
|
|
|
<p>There are special logical narrowing matchers (allOf, anyOf, anything and unless)
|
|
which allow users to create more powerful match expressions.</p>
|
|
|
|
<table>
|
|
<tr style="text-align:left"><th>Return type</th><th>Name</th><th>Parameters</th></tr>
|
|
<!-- START_NARROWING_MATCHERS -->
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('allOf0')"><a name="allOf0Anchor">allOf</a></td><td>Matcher<*>, ..., Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="allOf0"><pre>Matches if all given matchers match.
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('anyOf0')"><a name="anyOf0Anchor">anyOf</a></td><td>Matcher<*>, ..., Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="anyOf0"><pre>Matches if any of the given matchers matches.
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('anything0')"><a name="anything0Anchor">anything</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="anything0"><pre>Matches any node.
|
|
|
|
Useful when another matcher requires a child matcher, but there's no
|
|
additional constraint. This will often be used with an explicit conversion
|
|
to an internal::Matcher<> type such as TypeMatcher.
|
|
|
|
Example: DeclarationMatcher(anything()) matches all declarations, e.g.,
|
|
"int* p" and "void f()" in
|
|
int* p;
|
|
void f();
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('unless0')"><a name="unless0Anchor">unless</a></td><td>Matcher<*> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="unless0"><pre>Matches if the provided matcher does not match.
|
|
|
|
Example matches Y (matcher = recordDecl(unless(hasName("X"))))
|
|
class X {};
|
|
class Y {};
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BinaryOperator.html">BinaryOperator</a>></td><td class="name" onclick="toggle('hasOperatorName0')"><a name="hasOperatorName0Anchor">hasOperatorName</a></td><td>std::string Name</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasOperatorName0"><pre>Matches the operator Name of operator expressions (binary or
|
|
unary).
|
|
|
|
Example matches a || b (matcher = binaryOperator(hasOperatorName("||")))
|
|
!(a || b)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<CXXBoolLiteral></td><td class="name" onclick="toggle('equals2')"><a name="equals2Anchor">equals</a></td><td>ValueT Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals2"><pre>Matches literals that are equal to the given value.
|
|
|
|
Example matches true (matcher = boolLiteral(equals(true)))
|
|
true
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>>, Matcher<CXXBoolLiteral>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>></td><td class="name" onclick="toggle('argumentCountIs1')"><a name="argumentCountIs1Anchor">argumentCountIs</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="argumentCountIs1"><pre>Checks that a call expression or a constructor call expression has
|
|
a specific number of arguments (including absent default arguments).
|
|
|
|
Example matches f(0, 0) (matcher = callExpr(argumentCountIs(2)))
|
|
void f(int x, int y);
|
|
f(0, 0);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>></td><td class="name" onclick="toggle('isImplicit0')"><a name="isImplicit0Anchor">isImplicit</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isImplicit0"><pre>Matches a constructor declaration that has been implicitly added
|
|
by the compiler (eg. implicit defaultcopy constructors).
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>></td><td class="name" onclick="toggle('isWritten0')"><a name="isWritten0Anchor">isWritten</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isWritten0"><pre>Matches a constructor initializer if it is explicitly written in
|
|
code (as opposed to implicitly added by the compiler).
|
|
|
|
Given
|
|
struct Foo {
|
|
Foo() { }
|
|
Foo(int) : foo_("A") { }
|
|
string foo_;
|
|
};
|
|
constructorDecl(hasAnyConstructorInitializer(isWritten()))
|
|
will match Foo(int), but not Foo()
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>></td><td class="name" onclick="toggle('hasOverloadedOperatorName0')"><a name="hasOverloadedOperatorName0Anchor">hasOverloadedOperatorName</a></td><td>StringRef Name</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasOverloadedOperatorName0"><pre>Matches overloaded operator names.
|
|
|
|
Matches overloaded operator names specified in strings without the
|
|
"operator" prefix: e.g. "<<".
|
|
|
|
Given:
|
|
class A { int operator*(); };
|
|
const A &operator<<(const A &a, const A &b);
|
|
A a;
|
|
a << a; <-- This matches
|
|
|
|
operatorCallExpr(hasOverloadedOperatorName("<<"))) matches the specified
|
|
line and recordDecl(hasMethod(hasOverloadedOperatorName("*"))) matches
|
|
the declaration of A.
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXOperatorCallExpr.html">CXXOperatorCallExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>></td><td class="name" onclick="toggle('isConst0')"><a name="isConst0Anchor">isConst</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isConst0"><pre>Matches if the given method declaration is const.
|
|
|
|
Given
|
|
struct A {
|
|
void foo() const;
|
|
void bar();
|
|
};
|
|
|
|
methodDecl(isConst()) matches A::foo() but not A::bar()
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>></td><td class="name" onclick="toggle('isOverride0')"><a name="isOverride0Anchor">isOverride</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isOverride0"><pre>Matches if the given method declaration overrides another method.
|
|
|
|
Given
|
|
class A {
|
|
public:
|
|
virtual void x();
|
|
};
|
|
class B : public A {
|
|
public:
|
|
virtual void x();
|
|
};
|
|
matches B::x
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>></td><td class="name" onclick="toggle('isVirtual0')"><a name="isVirtual0Anchor">isVirtual</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isVirtual0"><pre>Matches if the given method declaration is virtual.
|
|
|
|
Given
|
|
class A {
|
|
public:
|
|
virtual void x();
|
|
};
|
|
matches A::x
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXOperatorCallExpr.html">CXXOperatorCallExpr</a>></td><td class="name" onclick="toggle('hasOverloadedOperatorName1')"><a name="hasOverloadedOperatorName1Anchor">hasOverloadedOperatorName</a></td><td>StringRef Name</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasOverloadedOperatorName1"><pre>Matches overloaded operator names.
|
|
|
|
Matches overloaded operator names specified in strings without the
|
|
"operator" prefix: e.g. "<<".
|
|
|
|
Given:
|
|
class A { int operator*(); };
|
|
const A &operator<<(const A &a, const A &b);
|
|
A a;
|
|
a << a; <-- This matches
|
|
|
|
operatorCallExpr(hasOverloadedOperatorName("<<"))) matches the specified
|
|
line and recordDecl(hasMethod(hasOverloadedOperatorName("*"))) matches
|
|
the declaration of A.
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXOperatorCallExpr.html">CXXOperatorCallExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isDerivedFrom1')"><a name="isDerivedFrom1Anchor">isDerivedFrom</a></td><td>StringRef BaseName</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDerivedFrom1"><pre>Overloaded method as shortcut for isDerivedFrom(hasName(...)).
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isExplicitTemplateSpecialization2')"><a name="isExplicitTemplateSpecialization2Anchor">isExplicitTemplateSpecialization</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExplicitTemplateSpecialization2"><pre>Matches explicit template specializations of function, class, or
|
|
static member variable template instantiations.
|
|
|
|
Given
|
|
template<typename T> void A(T t) { }
|
|
template<> void A(int N) { }
|
|
functionDecl(isExplicitTemplateSpecialization())
|
|
matches the specialization A<int>().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isSameOrDerivedFrom1')"><a name="isSameOrDerivedFrom1Anchor">isSameOrDerivedFrom</a></td><td>StringRef BaseName</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isSameOrDerivedFrom1"><pre>Overloaded method as shortcut for
|
|
isSameOrDerivedFrom(hasName(...)).
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isTemplateInstantiation2')"><a name="isTemplateInstantiation2Anchor">isTemplateInstantiation</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isTemplateInstantiation2"><pre>Matches template instantiations of function, class, or static
|
|
member variable template instantiations.
|
|
|
|
Given
|
|
template <typename T> class X {}; class A {}; X<A> x;
|
|
or
|
|
template <typename T> class X {}; class A {}; template class X<A>;
|
|
recordDecl(hasName("::X"), isTemplateInstantiation())
|
|
matches the template instantiation of X<A>.
|
|
|
|
But given
|
|
template <typename T> class X {}; class A {};
|
|
template <> class X<A> {}; X<A> x;
|
|
recordDecl(hasName("::X"), isTemplateInstantiation())
|
|
does not match, as X<A> is an explicit template specialization.
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>></td><td class="name" onclick="toggle('argumentCountIs0')"><a name="argumentCountIs0Anchor">argumentCountIs</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="argumentCountIs0"><pre>Checks that a call expression or a constructor call expression has
|
|
a specific number of arguments (including absent default arguments).
|
|
|
|
Example matches f(0, 0) (matcher = callExpr(argumentCountIs(2)))
|
|
void f(int x, int y);
|
|
f(0, 0);
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>></td><td class="name" onclick="toggle('equals3')"><a name="equals3Anchor">equals</a></td><td>ValueT Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals3"><pre>Matches literals that are equal to the given value.
|
|
|
|
Example matches true (matcher = boolLiteral(equals(true)))
|
|
true
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>>, Matcher<CXXBoolLiteral>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<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.
|
|
|
|
Example: Given
|
|
{ for (;;) {} }
|
|
compoundStmt(statementCountIs(0)))
|
|
matches '{}'
|
|
but does not match the outer compound statement.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ConstantArrayType.html">ConstantArrayType</a>></td><td class="name" onclick="toggle('hasSize0')"><a name="hasSize0Anchor">hasSize</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasSize0"><pre>Matches ConstantArrayType nodes that have the specified size.
|
|
|
|
Given
|
|
int a[42];
|
|
int b[2 * 21];
|
|
int c[41], d[43];
|
|
constantArrayType(hasSize(42))
|
|
matches "int a[42]" and "int b[2 * 21]"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclStmt.html">DeclStmt</a>></td><td class="name" onclick="toggle('declCountIs0')"><a name="declCountIs0Anchor">declCountIs</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="declCountIs0"><pre>Matches declaration statements that contain a specific number of
|
|
declarations.
|
|
|
|
Example: Given
|
|
int a, b;
|
|
int c;
|
|
int d = 2, e;
|
|
declCountIs(2)
|
|
matches 'int a, b;' and 'int d = 2, e;', but not 'int c;'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('equalsBoundNode1')"><a name="equalsBoundNode1Anchor">equalsBoundNode</a></td><td>std::string ID</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equalsBoundNode1"><pre>Matches if a node equals a previously bound node.
|
|
|
|
Matches a node if it equals the node previously bound to ID.
|
|
|
|
Given
|
|
class X { int a; int b; };
|
|
recordDecl(
|
|
has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
|
|
has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))
|
|
matches the class X, as a and b have the same type.
|
|
|
|
Note that when multiple matches are involved via forEach* matchers,
|
|
equalsBoundNodes acts as a filter.
|
|
For example:
|
|
compoundStmt(
|
|
forEachDescendant(varDecl().bind("d")),
|
|
forEachDescendant(declRefExpr(to(decl(equalsBoundNode("d"))))))
|
|
will trigger a match for each combination of variable declaration
|
|
and reference to that variable declaration within a compound statement.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('equalsNode0')"><a name="equalsNode0Anchor">equalsNode</a></td><td>Decl* Other</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equalsNode0"><pre>Matches if a node equals another node.
|
|
|
|
Decl has pointer identity in the AST.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<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.
|
|
|
|
Given
|
|
class C {
|
|
public: int a;
|
|
protected: int b;
|
|
private: int c;
|
|
};
|
|
fieldDecl(isPrivate())
|
|
matches 'int c;'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('isProtected0')"><a name="isProtected0Anchor">isProtected</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isProtected0"><pre>Matches protected C++ declarations.
|
|
|
|
Given
|
|
class C {
|
|
public: int a;
|
|
protected: int b;
|
|
private: int c;
|
|
};
|
|
fieldDecl(isProtected())
|
|
matches 'int b;'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('isPublic0')"><a name="isPublic0Anchor">isPublic</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isPublic0"><pre>Matches public C++ declarations.
|
|
|
|
Given
|
|
class C {
|
|
public: int a;
|
|
protected: int b;
|
|
private: int c;
|
|
};
|
|
fieldDecl(isPublic())
|
|
matches 'int a;'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>></td><td class="name" onclick="toggle('equals1')"><a name="equals1Anchor">equals</a></td><td>ValueT Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals1"><pre>Matches literals that are equal to the given value.
|
|
|
|
Example matches true (matcher = boolLiteral(equals(true)))
|
|
true
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>>, Matcher<CXXBoolLiteral>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isDefinition2')"><a name="isDefinition2Anchor">isDefinition</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDefinition2"><pre>Matches if a declaration has a body attached.
|
|
|
|
Example matches A, va, fa
|
|
class A {};
|
|
class B; Doesn't match, as it has no body.
|
|
int va;
|
|
extern int vb; Doesn't match, as it doesn't define the variable.
|
|
void fa() {}
|
|
void fb(); Doesn't match, as it has no body.
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isExplicitTemplateSpecialization0')"><a name="isExplicitTemplateSpecialization0Anchor">isExplicitTemplateSpecialization</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExplicitTemplateSpecialization0"><pre>Matches explicit template specializations of function, class, or
|
|
static member variable template instantiations.
|
|
|
|
Given
|
|
template<typename T> void A(T t) { }
|
|
template<> void A(int N) { }
|
|
functionDecl(isExplicitTemplateSpecialization())
|
|
matches the specialization A<int>().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isExternC0')"><a name="isExternC0Anchor">isExternC</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExternC0"><pre>Matches extern "C" function declarations.
|
|
|
|
Given:
|
|
extern "C" void f() {}
|
|
extern "C" { void g() {} }
|
|
void h() {}
|
|
functionDecl(isExternC())
|
|
matches the declaration of f and g, but not the declaration h
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></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.
|
|
|
|
Given
|
|
template <typename T> class X {}; class A {}; X<A> x;
|
|
or
|
|
template <typename T> class X {}; class A {}; template class X<A>;
|
|
recordDecl(hasName("::X"), isTemplateInstantiation())
|
|
matches the template instantiation of X<A>.
|
|
|
|
But given
|
|
template <typename T> class X {}; class A {};
|
|
template <> class X<A> {}; X<A> x;
|
|
recordDecl(hasName("::X"), isTemplateInstantiation())
|
|
does not match, as X<A> is an explicit template specialization.
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('parameterCountIs0')"><a name="parameterCountIs0Anchor">parameterCountIs</a></td><td>unsigned N</td></tr>
|
|
<tr><td colspan="4" class="doc" id="parameterCountIs0"><pre>Matches FunctionDecls that have a specific parameter count.
|
|
|
|
Given
|
|
void f(int i) {}
|
|
void g(int i, int j) {}
|
|
functionDecl(parameterCountIs(2))
|
|
matches g(int i, int j) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>></td><td class="name" onclick="toggle('equals0')"><a name="equals0Anchor">equals</a></td><td>ValueT Value</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equals0"><pre>Matches literals that are equal to the given value.
|
|
|
|
Example matches true (matcher = boolLiteral(equals(true)))
|
|
true
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>>, Matcher<CXXBoolLiteral>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>></td><td class="name" onclick="toggle('isArrow0')"><a name="isArrow0Anchor">isArrow</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isArrow0"><pre>Matches member expressions that are called with '->' as opposed
|
|
to '.'.
|
|
|
|
Member calls on the implicit this pointer match as called with '->'.
|
|
|
|
Given
|
|
class Y {
|
|
void x() { this->x(); x(); Y y; y.x(); a; this->b; Y::b; }
|
|
int a;
|
|
static int b;
|
|
};
|
|
memberExpr(isArrow())
|
|
matches this->x, x, y.x, a, this->b
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>></td><td class="name" onclick="toggle('hasName0')"><a name="hasName0Anchor">hasName</a></td><td>std::string Name</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasName0"><pre>Matches NamedDecl nodes that have the specified name.
|
|
|
|
Supports specifying enclosing namespaces or classes by prefixing the name
|
|
with '<enclosing>::'.
|
|
Does not match typedefs of an underlying type with the given name.
|
|
|
|
Example matches X (Name == "X")
|
|
class X;
|
|
|
|
Example matches X (Name is one of "::a::b::X", "a::b::X", "b::X", "X")
|
|
namespace a { namespace b { class X; } }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>></td><td class="name" onclick="toggle('matchesName0')"><a name="matchesName0Anchor">matchesName</a></td><td>std::string RegExp</td></tr>
|
|
<tr><td colspan="4" class="doc" id="matchesName0"><pre>Matches NamedDecl nodes whose fully qualified names contain
|
|
a substring matched by the given RegExp.
|
|
|
|
Supports specifying enclosing namespaces or classes by
|
|
prefixing the name with '<enclosing>::'. Does not match typedefs
|
|
of an underlying type with the given name.
|
|
|
|
Example matches X (regexp == "::X")
|
|
class X;
|
|
|
|
Example matches X (regexp is one of "::X", "^foo::.*X", among others)
|
|
namespace foo { namespace bar { class X; } }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('asString0')"><a name="asString0Anchor">asString</a></td><td>std::string Name</td></tr>
|
|
<tr><td colspan="4" class="doc" id="asString0"><pre>Matches if the matched type is represented by the given string.
|
|
|
|
Given
|
|
class Y { public: void x(); };
|
|
void z() { Y* y; y->x(); }
|
|
callExpr(on(hasType(asString("class Y *"))))
|
|
matches y->x()
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('equalsBoundNode3')"><a name="equalsBoundNode3Anchor">equalsBoundNode</a></td><td>std::string ID</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equalsBoundNode3"><pre>Matches if a node equals a previously bound node.
|
|
|
|
Matches a node if it equals the node previously bound to ID.
|
|
|
|
Given
|
|
class X { int a; int b; };
|
|
recordDecl(
|
|
has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
|
|
has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))
|
|
matches the class X, as a and b have the same type.
|
|
|
|
Note that when multiple matches are involved via forEach* matchers,
|
|
equalsBoundNodes acts as a filter.
|
|
For example:
|
|
compoundStmt(
|
|
forEachDescendant(varDecl().bind("d")),
|
|
forEachDescendant(declRefExpr(to(decl(equalsBoundNode("d"))))))
|
|
will trigger a match for each combination of variable declaration
|
|
and reference to that variable declaration within a compound statement.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('hasLocalQualifiers0')"><a name="hasLocalQualifiers0Anchor">hasLocalQualifiers</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasLocalQualifiers0"><pre>Matches QualType nodes that have local CV-qualifiers attached to
|
|
the node, not hidden within a typedef.
|
|
|
|
Given
|
|
typedef const int const_int;
|
|
const_int i;
|
|
int *const j;
|
|
int *volatile k;
|
|
int m;
|
|
varDecl(hasType(hasLocalQualifiers())) matches only j and k.
|
|
i is const-qualified but the qualifier is not local.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('isConstQualified0')"><a name="isConstQualified0Anchor">isConstQualified</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isConstQualified0"><pre>Matches QualType nodes that are const-qualified, i.e., that
|
|
include "top-level" const.
|
|
|
|
Given
|
|
void a(int);
|
|
void b(int const);
|
|
void c(const int);
|
|
void d(const int*);
|
|
void e(int const) {};
|
|
functionDecl(hasAnyParameter(hasType(isConstQualified())))
|
|
matches "void b(int const)", "void c(const int)" and
|
|
"void e(int const) {}". It does not match d as there
|
|
is no top-level const on the parameter type "const int *".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('isInteger0')"><a name="isInteger0Anchor">isInteger</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isInteger0"><pre>Matches QualType nodes that are of integer type.
|
|
|
|
Given
|
|
void a(int);
|
|
void b(long);
|
|
void c(double);
|
|
functionDecl(hasAnyParameter(hasType(isInteger())))
|
|
matches "a(int)", "b(long)", but not "c(double)".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('equalsBoundNode0')"><a name="equalsBoundNode0Anchor">equalsBoundNode</a></td><td>std::string ID</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equalsBoundNode0"><pre>Matches if a node equals a previously bound node.
|
|
|
|
Matches a node if it equals the node previously bound to ID.
|
|
|
|
Given
|
|
class X { int a; int b; };
|
|
recordDecl(
|
|
has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
|
|
has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))
|
|
matches the class X, as a and b have the same type.
|
|
|
|
Note that when multiple matches are involved via forEach* matchers,
|
|
equalsBoundNodes acts as a filter.
|
|
For example:
|
|
compoundStmt(
|
|
forEachDescendant(varDecl().bind("d")),
|
|
forEachDescendant(declRefExpr(to(decl(equalsBoundNode("d"))))))
|
|
will trigger a match for each combination of variable declaration
|
|
and reference to that variable declaration within a compound statement.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('equalsNode1')"><a name="equalsNode1Anchor">equalsNode</a></td><td>Stmt* Other</td></tr>
|
|
<tr><td colspan="4" class="doc" id="equalsNode1"><pre>Matches if a node equals another node.
|
|
|
|
Stmt has pointer identity in the AST.
|
|
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<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.
|
|
|
|
Example matches A, va, fa
|
|
class A {};
|
|
class B; Doesn't match, as it has no body.
|
|
int va;
|
|
extern int vb; Doesn't match, as it doesn't define the variable.
|
|
void fa() {}
|
|
void fb(); Doesn't match, as it has no body.
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<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.
|
|
|
|
Matches a node if it equals the node previously bound to ID.
|
|
|
|
Given
|
|
class X { int a; int b; };
|
|
recordDecl(
|
|
has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
|
|
has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))
|
|
matches the class X, as a and b have the same type.
|
|
|
|
Note that when multiple matches are involved via forEach* matchers,
|
|
equalsBoundNodes acts as a filter.
|
|
For example:
|
|
compoundStmt(
|
|
forEachDescendant(varDecl().bind("d")),
|
|
forEachDescendant(declRefExpr(to(decl(equalsBoundNode("d"))))))
|
|
will trigger a match for each combination of variable declaration
|
|
and reference to that variable declaration within a compound statement.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryExprOrTypeTraitExpr.html">UnaryExprOrTypeTraitExpr</a>></td><td class="name" onclick="toggle('ofKind0')"><a name="ofKind0Anchor">ofKind</a></td><td>UnaryExprOrTypeTrait Kind</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ofKind0"><pre>Matches unary expressions of a certain kind.
|
|
|
|
Given
|
|
int x;
|
|
int s = sizeof(x) + alignof(x)
|
|
unaryExprOrTypeTraitExpr(ofKind(UETT_SizeOf))
|
|
matches sizeof(x)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryOperator.html">UnaryOperator</a>></td><td class="name" onclick="toggle('hasOperatorName1')"><a name="hasOperatorName1Anchor">hasOperatorName</a></td><td>std::string Name</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasOperatorName1"><pre>Matches the operator Name of operator expressions (binary or
|
|
unary).
|
|
|
|
Example matches a || b (matcher = binaryOperator(hasOperatorName("||")))
|
|
!(a || b)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('isDefinition1')"><a name="isDefinition1Anchor">isDefinition</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDefinition1"><pre>Matches if a declaration has a body attached.
|
|
|
|
Example matches A, va, fa
|
|
class A {};
|
|
class B; Doesn't match, as it has no body.
|
|
int va;
|
|
extern int vb; Doesn't match, as it doesn't define the variable.
|
|
void fa() {}
|
|
void fb(); Doesn't match, as it has no body.
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('isExplicitTemplateSpecialization1')"><a name="isExplicitTemplateSpecialization1Anchor">isExplicitTemplateSpecialization</a></td><td></td></tr>
|
|
<tr><td colspan="4" class="doc" id="isExplicitTemplateSpecialization1"><pre>Matches explicit template specializations of function, class, or
|
|
static member variable template instantiations.
|
|
|
|
Given
|
|
template<typename T> void A(T t) { }
|
|
template<> void A(int N) { }
|
|
functionDecl(isExplicitTemplateSpecialization())
|
|
matches the specialization A<int>().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></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.
|
|
|
|
Given
|
|
template <typename T> class X {}; class A {}; X<A> x;
|
|
or
|
|
template <typename T> class X {}; class A {}; template class X<A>;
|
|
recordDecl(hasName("::X"), isTemplateInstantiation())
|
|
matches the template instantiation of X<A>.
|
|
|
|
But given
|
|
template <typename T> class X {}; class A {};
|
|
template <> class X<A> {}; X<A> x;
|
|
recordDecl(hasName("::X"), isTemplateInstantiation())
|
|
does not match, as X<A> is an explicit template specialization.
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
<!--END_NARROWING_MATCHERS -->
|
|
</table>
|
|
|
|
<!-- ======================================================================= -->
|
|
<h2 id="traversal-matchers">AST Traversal Matchers</h2>
|
|
<!-- ======================================================================= -->
|
|
|
|
<p>Traversal matchers specify the relationship to other nodes that are
|
|
reachable from the current node.</p>
|
|
|
|
<p>Note that there are special traversal matchers (has, hasDescendant, forEach and
|
|
forEachDescendant) which work on all nodes and allow users to write more generic
|
|
match expressions.</p>
|
|
|
|
<table>
|
|
<tr style="text-align:left"><th>Return type</th><th>Name</th><th>Parameters</th></tr>
|
|
<!-- START_TRAVERSAL_MATCHERS -->
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('eachOf0')"><a name="eachOf0Anchor">eachOf</a></td><td>Matcher<*>, ..., Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="eachOf0"><pre>Matches if any of the given matchers matches.
|
|
|
|
Unlike anyOf, eachOf will generate a match result for each
|
|
matching submatcher.
|
|
|
|
For example, in:
|
|
class A { int a; int b; };
|
|
The matcher:
|
|
recordDecl(eachOf(has(fieldDecl(hasName("a")).bind("v")),
|
|
has(fieldDecl(hasName("b")).bind("v"))))
|
|
will generate two results binding "v", the first of which binds
|
|
the field declaration of a, the second the field declaration of
|
|
b.
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('forEach0')"><a name="forEach0Anchor">forEach</a></td><td>Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="forEach0"><pre>Matches AST nodes that have child AST nodes that match the
|
|
provided matcher.
|
|
|
|
Example matches X, Y (matcher = recordDecl(forEach(recordDecl(hasName("X")))
|
|
class X {}; Matches X, because X::X is a class of name X inside X.
|
|
class Y { class X {}; };
|
|
class Z { class Y { class X {}; }; }; Does not match Z.
|
|
|
|
ChildT must be an AST base type.
|
|
|
|
As opposed to 'has', 'forEach' will cause a match for each result that
|
|
matches instead of only on the first one.
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('forEachDescendant0')"><a name="forEachDescendant0Anchor">forEachDescendant</a></td><td>Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="forEachDescendant0"><pre>Matches AST nodes that have descendant AST nodes that match the
|
|
provided matcher.
|
|
|
|
Example matches X, A, B, C
|
|
(matcher = recordDecl(forEachDescendant(recordDecl(hasName("X")))))
|
|
class X {}; Matches X, because X::X is a class of name X inside X.
|
|
class A { class X {}; };
|
|
class B { class C { class X {}; }; };
|
|
|
|
DescendantT must be an AST base type.
|
|
|
|
As opposed to 'hasDescendant', 'forEachDescendant' will cause a match for
|
|
each result that matches instead of only on the first one.
|
|
|
|
Note: Recursively combined ForEachDescendant can cause many matches:
|
|
recordDecl(forEachDescendant(recordDecl(forEachDescendant(recordDecl()))))
|
|
will match 10 times (plus injected class name matches) on:
|
|
class A { class B { class C { class D { class E {}; }; }; }; };
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('has0')"><a name="has0Anchor">has</a></td><td>Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="has0"><pre>Matches AST nodes that have child AST nodes that match the
|
|
provided matcher.
|
|
|
|
Example matches X, Y (matcher = recordDecl(has(recordDecl(hasName("X")))
|
|
class X {}; Matches X, because X::X is a class of name X inside X.
|
|
class Y { class X {}; };
|
|
class Z { class Y { class X {}; }; }; Does not match Z.
|
|
|
|
ChildT must be an AST base type.
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('hasAncestor0')"><a name="hasAncestor0Anchor">hasAncestor</a></td><td>Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAncestor0"><pre>Matches AST nodes that have an ancestor that matches the provided
|
|
matcher.
|
|
|
|
Given
|
|
void f() { if (true) { int x = 42; } }
|
|
void g() { for (;;) { int x = 43; } }
|
|
expr(integerLiteral(hasAncestor(ifStmt()))) matches 42, but not 43.
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('hasDescendant0')"><a name="hasDescendant0Anchor">hasDescendant</a></td><td>Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDescendant0"><pre>Matches AST nodes that have descendant AST nodes that match the
|
|
provided matcher.
|
|
|
|
Example matches X, Y, Z
|
|
(matcher = recordDecl(hasDescendant(recordDecl(hasName("X")))))
|
|
class X {}; Matches X, because X::X is a class of name X inside X.
|
|
class Y { class X {}; };
|
|
class Z { class Y { class X {}; }; };
|
|
|
|
DescendantT must be an AST base type.
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<*></td><td class="name" onclick="toggle('hasParent0')"><a name="hasParent0Anchor">hasParent</a></td><td>Matcher<*></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasParent0"><pre>Matches AST nodes that have a parent that matches the provided
|
|
matcher.
|
|
|
|
Given
|
|
void f() { for (;;) { int x = 42; if (true) { int x = 43; } } }
|
|
compoundStmt(hasParent(ifStmt())) matches "{ int x = 43; }".
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ArraySubscriptExpr.html">ArraySubscriptExpr</a>></td><td class="name" onclick="toggle('hasBase0')"><a name="hasBase0Anchor">hasBase</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasBase0"><pre>Matches the base expression of an array subscript expression.
|
|
|
|
Given
|
|
int i[5];
|
|
void f() { i[1] = 42; }
|
|
arraySubscriptExpression(hasBase(implicitCastExpr(
|
|
hasSourceExpression(declRefExpr()))))
|
|
matches i[1] with the declRefExpr() matching i
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ArraySubscriptExpr.html">ArraySubscriptExpr</a>></td><td class="name" onclick="toggle('hasIndex0')"><a name="hasIndex0Anchor">hasIndex</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasIndex0"><pre>Matches the index expression of an array subscript expression.
|
|
|
|
Given
|
|
int i[5];
|
|
void f() { i[1] = 42; }
|
|
arraySubscriptExpression(hasIndex(integerLiteral()))
|
|
matches i[1] with the integerLiteral() matching 1
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ArrayTypeLoc.html">ArrayTypeLoc</a>></td><td class="name" onclick="toggle('hasElementTypeLoc0')"><a name="hasElementTypeLoc0Anchor">hasElementTypeLoc</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasElementTypeLoc0"><pre>Matches arrays and C99 complex types that have a specific element
|
|
type.
|
|
|
|
Given
|
|
struct A {};
|
|
A a[7];
|
|
int b[7];
|
|
arrayType(hasElementType(builtinType()))
|
|
matches "int b[7]"
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ArrayType.html">ArrayType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ComplexType.html">ComplexType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ArrayType.html">ArrayType</a>></td><td class="name" onclick="toggle('hasElementType0')"><a name="hasElementType0Anchor">hasElementType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasElementType0"><pre>Matches arrays and C99 complex types that have a specific element
|
|
type.
|
|
|
|
Given
|
|
struct A {};
|
|
A a[7];
|
|
int b[7];
|
|
arrayType(hasElementType(builtinType()))
|
|
matches "int b[7]"
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ArrayType.html">ArrayType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ComplexType.html">ComplexType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1AtomicTypeLoc.html">AtomicTypeLoc</a>></td><td class="name" onclick="toggle('hasValueTypeLoc0')"><a name="hasValueTypeLoc0Anchor">hasValueTypeLoc</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasValueTypeLoc0"><pre>Matches atomic types with a specific value type.
|
|
|
|
Given
|
|
_Atomic(int) i;
|
|
_Atomic(float) f;
|
|
atomicType(hasValueType(isInteger()))
|
|
matches "_Atomic(int) i"
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1AtomicType.html">AtomicType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1AtomicType.html">AtomicType</a>></td><td class="name" onclick="toggle('hasValueType0')"><a name="hasValueType0Anchor">hasValueType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasValueType0"><pre>Matches atomic types with a specific value type.
|
|
|
|
Given
|
|
_Atomic(int) i;
|
|
_Atomic(float) f;
|
|
atomicType(hasValueType(isInteger()))
|
|
matches "_Atomic(int) i"
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1AtomicType.html">AtomicType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1AutoType.html">AutoType</a>></td><td class="name" onclick="toggle('hasDeducedType0')"><a name="hasDeducedType0Anchor">hasDeducedType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeducedType0"><pre>Matches AutoType nodes where the deduced type is a specific type.
|
|
|
|
Note: There is no TypeLoc for the deduced type and thus no
|
|
getDeducedLoc() matcher.
|
|
|
|
Given
|
|
auto a = 1;
|
|
auto b = 2.0;
|
|
autoType(hasDeducedType(isInteger()))
|
|
matches "auto a"
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1AutoType.html">AutoType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BinaryOperator.html">BinaryOperator</a>></td><td class="name" onclick="toggle('hasEitherOperand0')"><a name="hasEitherOperand0Anchor">hasEitherOperand</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasEitherOperand0"><pre>Matches if either the left hand side or the right hand side of a
|
|
binary operator matches.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BinaryOperator.html">BinaryOperator</a>></td><td class="name" onclick="toggle('hasLHS0')"><a name="hasLHS0Anchor">hasLHS</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasLHS0"><pre>Matches the left hand side of binary operator expressions.
|
|
|
|
Example matches a (matcher = binaryOperator(hasLHS()))
|
|
a || b
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BinaryOperator.html">BinaryOperator</a>></td><td class="name" onclick="toggle('hasRHS0')"><a name="hasRHS0Anchor">hasRHS</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasRHS0"><pre>Matches the right hand side of binary operator expressions.
|
|
|
|
Example matches b (matcher = binaryOperator(hasRHS()))
|
|
a || b
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerTypeLoc.html">BlockPointerTypeLoc</a>></td><td class="name" onclick="toggle('pointeeLoc0')"><a name="pointeeLoc0Anchor">pointeeLoc</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointeeLoc0"><pre>Narrows PointerType (and similar) matchers to those where the
|
|
pointee matches a given matcher.
|
|
|
|
Given
|
|
int *a;
|
|
int const *b;
|
|
float const *f;
|
|
pointerType(pointee(isConstQualified(), isInteger()))
|
|
matches "int const *b"
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>></td><td class="name" onclick="toggle('pointee0')"><a name="pointee0Anchor">pointee</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointee0"><pre>Narrows PointerType (and similar) matchers to those where the
|
|
pointee matches a given matcher.
|
|
|
|
Given
|
|
int *a;
|
|
int const *b;
|
|
float const *f;
|
|
pointerType(pointee(isConstQualified(), isInteger()))
|
|
matches "int const *b"
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>></td><td class="name" onclick="toggle('hasAnyArgument1')"><a name="hasAnyArgument1Anchor">hasAnyArgument</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyArgument1"><pre>Matches any argument of a call expression or a constructor call
|
|
expression.
|
|
|
|
Given
|
|
void x(int, int, int) { int y; x(1, y, 42); }
|
|
callExpr(hasAnyArgument(declRefExpr()))
|
|
matches x(1, y, 42)
|
|
with hasAnyArgument(...)
|
|
matching y
|
|
|
|
FIXME: Currently this will ignore parentheses and implicit casts on
|
|
the argument before applying the inner matcher. We'll want to remove
|
|
this to allow for greater control by the user once ignoreImplicit()
|
|
has been implemented.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>></td><td class="name" onclick="toggle('hasArgument1')"><a name="hasArgument1Anchor">hasArgument</a></td><td>unsigned N, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasArgument1"><pre>Matches the n'th argument of a call expression or a constructor
|
|
call expression.
|
|
|
|
Example matches y in x(y)
|
|
(matcher = callExpr(hasArgument(0, declRefExpr())))
|
|
void x(int) { int y; x(y); }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>></td><td class="name" onclick="toggle('hasDeclaration12')"><a name="hasDeclaration12Anchor">hasDeclaration</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration12"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
|
|
Also usable as Matcher<T> for any T supporting the getDecl() member
|
|
function. e.g. various subtypes of clang::Type and various expressions.
|
|
FIXME: Add all node types for which this is matcher is usable due to
|
|
getDecl().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>></td><td class="name" onclick="toggle('forEachConstructorInitializer0')"><a name="forEachConstructorInitializer0Anchor">forEachConstructorInitializer</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="forEachConstructorInitializer0"><pre>Matches each constructor initializer in a constructor definition.
|
|
|
|
Given
|
|
class A { A() : i(42), j(42) {} int i; int j; };
|
|
constructorDecl(forEachConstructorInitializer(forField(decl().bind("x"))))
|
|
will trigger two matches, binding for 'i' and 'j' respectively.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>></td><td class="name" onclick="toggle('hasAnyConstructorInitializer0')"><a name="hasAnyConstructorInitializer0Anchor">hasAnyConstructorInitializer</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyConstructorInitializer0"><pre>Matches a constructor initializer.
|
|
|
|
Given
|
|
struct Foo {
|
|
Foo() : foo_(1) { }
|
|
int foo_;
|
|
};
|
|
recordDecl(has(constructorDecl(hasAnyConstructorInitializer(anything()))))
|
|
record matches Foo, hasAnyConstructorInitializer matches foo_(1)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>></td><td class="name" onclick="toggle('forField0')"><a name="forField0Anchor">forField</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FieldDecl.html">FieldDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="forField0"><pre>Matches the field declaration of a constructor initializer.
|
|
|
|
Given
|
|
struct Foo {
|
|
Foo() : foo_(1) { }
|
|
int foo_;
|
|
};
|
|
recordDecl(has(constructorDecl(hasAnyConstructorInitializer(
|
|
forField(hasName("foo_"))))))
|
|
matches Foo
|
|
with forField matching foo_
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>></td><td class="name" onclick="toggle('withInitializer0')"><a name="withInitializer0Anchor">withInitializer</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="withInitializer0"><pre>Matches the initializer expression of a constructor initializer.
|
|
|
|
Given
|
|
struct Foo {
|
|
Foo() : foo_(1) { }
|
|
int foo_;
|
|
};
|
|
recordDecl(has(constructorDecl(hasAnyConstructorInitializer(
|
|
withInitializer(integerLiteral(equals(1)))))))
|
|
matches Foo
|
|
with withInitializer matching (1)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMemberCallExpr.html">CXXMemberCallExpr</a>></td><td class="name" onclick="toggle('on0')"><a name="on0Anchor">on</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="on0"><pre>Matches on the implicit object argument of a member call expression.
|
|
|
|
Example matches y.x() (matcher = callExpr(on(hasType(recordDecl(hasName("Y"))))))
|
|
class Y { public: void x(); };
|
|
void z() { Y y; y.x(); }",
|
|
|
|
FIXME: Overload to allow directly matching types?
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMemberCallExpr.html">CXXMemberCallExpr</a>></td><td class="name" onclick="toggle('onImplicitObjectArgument0')"><a name="onImplicitObjectArgument0Anchor">onImplicitObjectArgument</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="onImplicitObjectArgument0"><pre></pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMemberCallExpr.html">CXXMemberCallExpr</a>></td><td class="name" onclick="toggle('thisPointerType1')"><a name="thisPointerType1Anchor">thisPointerType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="thisPointerType1"><pre>Overloaded to match the type's declaration.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>></td><td class="name" onclick="toggle('ofClass0')"><a name="ofClass0Anchor">ofClass</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ofClass0"><pre>Matches the class declaration that the given method declaration
|
|
belongs to.
|
|
|
|
FIXME: Generalize this for other kinds of declarations.
|
|
FIXME: What other kind of declarations would we need to generalize
|
|
this to?
|
|
|
|
Example matches A() in the last line
|
|
(matcher = constructExpr(hasDeclaration(methodDecl(
|
|
ofClass(hasName("A"))))))
|
|
class A {
|
|
public:
|
|
A();
|
|
};
|
|
A a = A();
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('hasMethod0')"><a name="hasMethod0Anchor">hasMethod</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasMethod0"><pre>Matches the first method of a class or struct that satisfies InnerMatcher.
|
|
|
|
Given:
|
|
class A { void func(); };
|
|
class B { void member(); };
|
|
|
|
recordDecl(hasMethod(hasName("func"))) matches the declaration of A
|
|
but not B.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isDerivedFrom0')"><a name="isDerivedFrom0Anchor">isDerivedFrom</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>> Base</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isDerivedFrom0"><pre>Matches C++ classes that are directly or indirectly derived from
|
|
a class matching Base.
|
|
|
|
Note that a class is not considered to be derived from itself.
|
|
|
|
Example matches Y, Z, C (Base == hasName("X"))
|
|
class X;
|
|
class Y : public X {}; directly derived
|
|
class Z : public Y {}; indirectly derived
|
|
typedef X A;
|
|
typedef A B;
|
|
class C : public B {}; derived from a typedef of X
|
|
|
|
In the following example, Bar matches isDerivedFrom(hasName("X")):
|
|
class Foo;
|
|
typedef Foo X;
|
|
class Bar : public Foo {}; derived from a type that X is a typedef of
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>></td><td class="name" onclick="toggle('isSameOrDerivedFrom0')"><a name="isSameOrDerivedFrom0Anchor">isSameOrDerivedFrom</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>> Base</td></tr>
|
|
<tr><td colspan="4" class="doc" id="isSameOrDerivedFrom0"><pre>Similar to isDerivedFrom(), but also matches classes that directly
|
|
match Base.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>></td><td class="name" onclick="toggle('callee1')"><a name="callee1Anchor">callee</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="callee1"><pre>Matches if the call expression's callee's declaration matches the
|
|
given matcher.
|
|
|
|
Example matches y.x() (matcher = callExpr(callee(methodDecl(hasName("x")))))
|
|
class Y { public: void x(); };
|
|
void z() { Y y; y.x();
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>></td><td class="name" onclick="toggle('hasAnyArgument0')"><a name="hasAnyArgument0Anchor">hasAnyArgument</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyArgument0"><pre>Matches any argument of a call expression or a constructor call
|
|
expression.
|
|
|
|
Given
|
|
void x(int, int, int) { int y; x(1, y, 42); }
|
|
callExpr(hasAnyArgument(declRefExpr()))
|
|
matches x(1, y, 42)
|
|
with hasAnyArgument(...)
|
|
matching y
|
|
|
|
FIXME: Currently this will ignore parentheses and implicit casts on
|
|
the argument before applying the inner matcher. We'll want to remove
|
|
this to allow for greater control by the user once ignoreImplicit()
|
|
has been implemented.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>></td><td class="name" onclick="toggle('hasArgument0')"><a name="hasArgument0Anchor">hasArgument</a></td><td>unsigned N, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasArgument0"><pre>Matches the n'th argument of a call expression or a constructor
|
|
call expression.
|
|
|
|
Example matches y in x(y)
|
|
(matcher = callExpr(hasArgument(0, declRefExpr())))
|
|
void x(int) { int y; x(y); }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>></td><td class="name" onclick="toggle('hasDeclaration13')"><a name="hasDeclaration13Anchor">hasDeclaration</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration13"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
|
|
Also usable as Matcher<T> for any T supporting the getDecl() member
|
|
function. e.g. various subtypes of clang::Type and various expressions.
|
|
FIXME: Add all node types for which this is matcher is usable due to
|
|
getDecl().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CaseStmt.html">CaseStmt</a>></td><td class="name" onclick="toggle('hasCaseConstant0')"><a name="hasCaseConstant0Anchor">hasCaseConstant</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasCaseConstant0"><pre>If the given case statement does not use the GNU case range
|
|
extension, matches the constant given in the statement.
|
|
|
|
Given
|
|
switch (1) { case 1: case 1+1: case 3 ... 4: ; }
|
|
caseStmt(hasCaseConstant(integerLiteral()))
|
|
matches "case 1:"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CastExpr.html">CastExpr</a>></td><td class="name" onclick="toggle('hasSourceExpression0')"><a name="hasSourceExpression0Anchor">hasSourceExpression</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasSourceExpression0"><pre>Matches if the cast's source expression matches the given matcher.
|
|
|
|
Example: matches "a string" (matcher =
|
|
hasSourceExpression(constructExpr()))
|
|
class URL { URL(string); };
|
|
URL url = "a string";
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ClassTemplateSpecializationDecl.html">ClassTemplateSpecializationDecl</a>></td><td class="name" onclick="toggle('hasAnyTemplateArgument0')"><a name="hasAnyTemplateArgument0Anchor">hasAnyTemplateArgument</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyTemplateArgument0"><pre>Matches classTemplateSpecializations that have at least one
|
|
TemplateArgument matching the given InnerMatcher.
|
|
|
|
Given
|
|
template<typename T> class A {};
|
|
template<> class A<double> {};
|
|
A<int> a;
|
|
classTemplateSpecializationDecl(hasAnyTemplateArgument(
|
|
refersToType(asString("int"))))
|
|
matches the specialization A<int>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ClassTemplateSpecializationDecl.html">ClassTemplateSpecializationDecl</a>></td><td class="name" onclick="toggle('hasTemplateArgument0')"><a name="hasTemplateArgument0Anchor">hasTemplateArgument</a></td><td>unsigned N, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasTemplateArgument0"><pre>Matches classTemplateSpecializations where the n'th TemplateArgument
|
|
matches the given InnerMatcher.
|
|
|
|
Given
|
|
template<typename T, typename U> class A {};
|
|
A<bool, int> b;
|
|
A<int, bool> c;
|
|
classTemplateSpecializationDecl(hasTemplateArgument(
|
|
1, refersToType(asString("int"))))
|
|
matches the specialization A<bool, int>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ComplexTypeLoc.html">ComplexTypeLoc</a>></td><td class="name" onclick="toggle('hasElementTypeLoc1')"><a name="hasElementTypeLoc1Anchor">hasElementTypeLoc</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasElementTypeLoc1"><pre>Matches arrays and C99 complex types that have a specific element
|
|
type.
|
|
|
|
Given
|
|
struct A {};
|
|
A a[7];
|
|
int b[7];
|
|
arrayType(hasElementType(builtinType()))
|
|
matches "int b[7]"
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ArrayType.html">ArrayType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ComplexType.html">ComplexType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ComplexType.html">ComplexType</a>></td><td class="name" onclick="toggle('hasElementType1')"><a name="hasElementType1Anchor">hasElementType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasElementType1"><pre>Matches arrays and C99 complex types that have a specific element
|
|
type.
|
|
|
|
Given
|
|
struct A {};
|
|
A a[7];
|
|
int b[7];
|
|
arrayType(hasElementType(builtinType()))
|
|
matches "int b[7]"
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ArrayType.html">ArrayType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ComplexType.html">ComplexType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CompoundStmt.html">CompoundStmt</a>></td><td class="name" onclick="toggle('hasAnySubstatement0')"><a name="hasAnySubstatement0Anchor">hasAnySubstatement</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnySubstatement0"><pre>Matches compound statements where at least one substatement matches
|
|
a given matcher.
|
|
|
|
Given
|
|
{ {}; 1+2; }
|
|
hasAnySubstatement(compoundStmt())
|
|
matches '{ {}; 1+2; }'
|
|
with compoundStmt()
|
|
matching '{}'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ConditionalOperator.html">ConditionalOperator</a>></td><td class="name" onclick="toggle('hasCondition4')"><a name="hasCondition4Anchor">hasCondition</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasCondition4"><pre>Matches the condition expression of an if statement, for loop,
|
|
or conditional operator.
|
|
|
|
Example matches true (matcher = hasCondition(boolLiteral(equals(true))))
|
|
if (true) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ConditionalOperator.html">ConditionalOperator</a>></td><td class="name" onclick="toggle('hasFalseExpression0')"><a name="hasFalseExpression0Anchor">hasFalseExpression</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasFalseExpression0"><pre>Matches the false branch expression of a conditional operator.
|
|
|
|
Example matches b
|
|
condition ? a : b
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ConditionalOperator.html">ConditionalOperator</a>></td><td class="name" onclick="toggle('hasTrueExpression0')"><a name="hasTrueExpression0Anchor">hasTrueExpression</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasTrueExpression0"><pre>Matches the true branch expression of a conditional operator.
|
|
|
|
Example matches a
|
|
condition ? a : b
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>></td><td class="name" onclick="toggle('hasDeclaration11')"><a name="hasDeclaration11Anchor">hasDeclaration</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration11"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
|
|
Also usable as Matcher<T> for any T supporting the getDecl() member
|
|
function. e.g. various subtypes of clang::Type and various expressions.
|
|
FIXME: Add all node types for which this is matcher is usable due to
|
|
getDecl().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>></td><td class="name" onclick="toggle('throughUsingDecl0')"><a name="throughUsingDecl0Anchor">throughUsingDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UsingShadowDecl.html">UsingShadowDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="throughUsingDecl0"><pre>Matches a DeclRefExpr that refers to a declaration through a
|
|
specific using shadow declaration.
|
|
|
|
FIXME: This currently only works for functions. Fix.
|
|
|
|
Given
|
|
namespace a { void f() {} }
|
|
using a::f;
|
|
void g() {
|
|
f(); Matches this ..
|
|
a::f(); .. but not this.
|
|
}
|
|
declRefExpr(throughUsingDeclaration(anything()))
|
|
matches f()
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>></td><td class="name" onclick="toggle('to0')"><a name="to0Anchor">to</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="to0"><pre>Matches a DeclRefExpr that refers to a declaration that matches the
|
|
specified matcher.
|
|
|
|
Example matches x in if(x)
|
|
(matcher = declRefExpr(to(varDecl(hasName("x")))))
|
|
bool x;
|
|
if (x) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclStmt.html">DeclStmt</a>></td><td class="name" onclick="toggle('containsDeclaration0')"><a name="containsDeclaration0Anchor">containsDeclaration</a></td><td>unsigned N, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="containsDeclaration0"><pre>Matches the n'th declaration of a declaration statement.
|
|
|
|
Note that this does not work for global declarations because the AST
|
|
breaks up multiple-declaration DeclStmt's into multiple single-declaration
|
|
DeclStmt's.
|
|
Example: Given non-global declarations
|
|
int a, b = 0;
|
|
int c;
|
|
int d = 2, e;
|
|
declStmt(containsDeclaration(
|
|
0, varDecl(hasInitializer(anything()))))
|
|
matches only 'int d = 2, e;', and
|
|
declStmt(containsDeclaration(1, varDecl()))
|
|
matches 'int a, b = 0' as well as 'int d = 2, e;'
|
|
but 'int c;' is not matched.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclStmt.html">DeclStmt</a>></td><td class="name" onclick="toggle('hasSingleDecl0')"><a name="hasSingleDecl0Anchor">hasSingleDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasSingleDecl0"><pre>Matches the Decl of a DeclStmt which has a single declaration.
|
|
|
|
Given
|
|
int a, b;
|
|
int c;
|
|
declStmt(hasSingleDecl(anything()))
|
|
matches 'int c;' but not 'int a, b;'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclaratorDecl.html">DeclaratorDecl</a>></td><td class="name" onclick="toggle('hasTypeLoc0')"><a name="hasTypeLoc0Anchor">hasTypeLoc</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>> Inner</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasTypeLoc0"><pre>Matches if the type location of the declarator decl's type matches
|
|
the inner matcher.
|
|
|
|
Given
|
|
int x;
|
|
declaratorDecl(hasTypeLoc(loc(asString("int"))))
|
|
matches int x
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>></td><td class="name" onclick="toggle('hasDeclContext0')"><a name="hasDeclContext0Anchor">hasDeclContext</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclContext0"><pre>Matches declarations whose declaration context, interpreted as a
|
|
Decl, matches InnerMatcher.
|
|
|
|
Given
|
|
namespace N {
|
|
namespace M {
|
|
class D {};
|
|
}
|
|
}
|
|
|
|
recordDecl(hasDeclContext(namedDecl(hasName("M")))) matches the
|
|
declaration of class D.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DoStmt.html">DoStmt</a>></td><td class="name" onclick="toggle('hasBody0')"><a name="hasBody0Anchor">hasBody</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasBody0"><pre>Matches a 'for', 'while', or 'do while' statement that has
|
|
a given body.
|
|
|
|
Given
|
|
for (;;) {}
|
|
hasBody(compoundStmt())
|
|
matches 'for (;;) {}'
|
|
with compoundStmt()
|
|
matching '{}'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DoStmt.html">DoStmt</a>></td><td class="name" onclick="toggle('hasCondition3')"><a name="hasCondition3Anchor">hasCondition</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasCondition3"><pre>Matches the condition expression of an if statement, for loop,
|
|
or conditional operator.
|
|
|
|
Example matches true (matcher = hasCondition(boolLiteral(equals(true))))
|
|
if (true) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ElaboratedType.html">ElaboratedType</a>></td><td class="name" onclick="toggle('hasQualifier0')"><a name="hasQualifier0Anchor">hasQualifier</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasQualifier0"><pre>Matches ElaboratedTypes whose qualifier, a NestedNameSpecifier,
|
|
matches InnerMatcher if the qualifier exists.
|
|
|
|
Given
|
|
namespace N {
|
|
namespace M {
|
|
class D {};
|
|
}
|
|
}
|
|
N::M::D d;
|
|
|
|
elaboratedType(hasQualifier(hasPrefix(specifiesNamespace(hasName("N"))))
|
|
matches the type of the variable declaration of d.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ElaboratedType.html">ElaboratedType</a>></td><td class="name" onclick="toggle('namesType0')"><a name="namesType0Anchor">namesType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="namesType0"><pre>Matches ElaboratedTypes whose named type matches InnerMatcher.
|
|
|
|
Given
|
|
namespace N {
|
|
namespace M {
|
|
class D {};
|
|
}
|
|
}
|
|
N::M::D d;
|
|
|
|
elaboratedType(namesType(recordType(
|
|
hasDeclaration(namedDecl(hasName("D")))))) matches the type of the variable
|
|
declaration of d.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>></td><td class="name" onclick="toggle('hasDeclaration10')"><a name="hasDeclaration10Anchor">hasDeclaration</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration10"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
|
|
Also usable as Matcher<T> for any T supporting the getDecl() member
|
|
function. e.g. various subtypes of clang::Type and various expressions.
|
|
FIXME: Add all node types for which this is matcher is usable due to
|
|
getDecl().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ExplicitCastExpr.html">ExplicitCastExpr</a>></td><td class="name" onclick="toggle('hasDestinationType0')"><a name="hasDestinationType0Anchor">hasDestinationType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDestinationType0"><pre>Matches casts whose destination type matches a given matcher.
|
|
|
|
(Note: Clang's AST refers to other conversions as "casts" too, and calls
|
|
actual casts "explicit" casts.)
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('hasType2')"><a name="hasType2Anchor">hasType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasType2"><pre>Overloaded to match the declaration of the expression's or value
|
|
declaration's type.
|
|
|
|
In case of a value declaration (for example a variable declaration),
|
|
this resolves one layer of indirection. For example, in the value
|
|
declaration "X x;", recordDecl(hasName("X")) matches the declaration of X,
|
|
while varDecl(hasType(recordDecl(hasName("X")))) matches the declaration
|
|
of x."
|
|
|
|
Example matches x (matcher = expr(hasType(recordDecl(hasName("X")))))
|
|
and z (matcher = varDecl(hasType(recordDecl(hasName("X")))))
|
|
class X {};
|
|
void y(X &x) { x; X z; }
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('ignoringImpCasts0')"><a name="ignoringImpCasts0Anchor">ignoringImpCasts</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ignoringImpCasts0"><pre>Matches expressions that match InnerMatcher after any implicit casts
|
|
are stripped off.
|
|
|
|
Parentheses and explicit casts are not discarded.
|
|
Given
|
|
int arr[5];
|
|
int a = 0;
|
|
char b = 0;
|
|
const int c = a;
|
|
int *d = arr;
|
|
long e = (long) 0l;
|
|
The matchers
|
|
varDecl(hasInitializer(ignoringImpCasts(integerLiteral())))
|
|
varDecl(hasInitializer(ignoringImpCasts(declRefExpr())))
|
|
would match the declarations for a, b, c, and d, but not e.
|
|
While
|
|
varDecl(hasInitializer(integerLiteral()))
|
|
varDecl(hasInitializer(declRefExpr()))
|
|
only match the declarations for b, c, and d.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('ignoringParenCasts0')"><a name="ignoringParenCasts0Anchor">ignoringParenCasts</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ignoringParenCasts0"><pre>Matches expressions that match InnerMatcher after parentheses and
|
|
casts are stripped off.
|
|
|
|
Implicit and non-C Style casts are also discarded.
|
|
Given
|
|
int a = 0;
|
|
char b = (0);
|
|
void* c = reinterpret_cast<char*>(0);
|
|
char d = char(0);
|
|
The matcher
|
|
varDecl(hasInitializer(ignoringParenCasts(integerLiteral())))
|
|
would match the declarations for a, b, c, and d.
|
|
while
|
|
varDecl(hasInitializer(integerLiteral()))
|
|
only match the declaration for a.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('ignoringParenImpCasts0')"><a name="ignoringParenImpCasts0Anchor">ignoringParenImpCasts</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="ignoringParenImpCasts0"><pre>Matches expressions that match InnerMatcher after implicit casts and
|
|
parentheses are stripped off.
|
|
|
|
Explicit casts are not discarded.
|
|
Given
|
|
int arr[5];
|
|
int a = 0;
|
|
char b = (0);
|
|
const int c = a;
|
|
int *d = (arr);
|
|
long e = ((long) 0l);
|
|
The matchers
|
|
varDecl(hasInitializer(ignoringParenImpCasts(integerLiteral())))
|
|
varDecl(hasInitializer(ignoringParenImpCasts(declRefExpr())))
|
|
would match the declarations for a, b, c, and d, but not e.
|
|
while
|
|
varDecl(hasInitializer(integerLiteral()))
|
|
varDecl(hasInitializer(declRefExpr()))
|
|
would only match the declaration for a.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ForStmt.html">ForStmt</a>></td><td class="name" onclick="toggle('hasBody1')"><a name="hasBody1Anchor">hasBody</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasBody1"><pre>Matches a 'for', 'while', or 'do while' statement that has
|
|
a given body.
|
|
|
|
Given
|
|
for (;;) {}
|
|
hasBody(compoundStmt())
|
|
matches 'for (;;) {}'
|
|
with compoundStmt()
|
|
matching '{}'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ForStmt.html">ForStmt</a>></td><td class="name" onclick="toggle('hasCondition1')"><a name="hasCondition1Anchor">hasCondition</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasCondition1"><pre>Matches the condition expression of an if statement, for loop,
|
|
or conditional operator.
|
|
|
|
Example matches true (matcher = hasCondition(boolLiteral(equals(true))))
|
|
if (true) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ForStmt.html">ForStmt</a>></td><td class="name" onclick="toggle('hasIncrement0')"><a name="hasIncrement0Anchor">hasIncrement</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasIncrement0"><pre>Matches the increment statement of a for loop.
|
|
|
|
Example:
|
|
forStmt(hasIncrement(unaryOperator(hasOperatorName("++"))))
|
|
matches '++x' in
|
|
for (x; x < N; ++x) { }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ForStmt.html">ForStmt</a>></td><td class="name" onclick="toggle('hasLoopInit0')"><a name="hasLoopInit0Anchor">hasLoopInit</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasLoopInit0"><pre>Matches the initialization statement of a for loop.
|
|
|
|
Example:
|
|
forStmt(hasLoopInit(declStmt()))
|
|
matches 'int x = 0' in
|
|
for (int x = 0; x < N; ++x) { }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('hasAnyParameter0')"><a name="hasAnyParameter0Anchor">hasAnyParameter</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyParameter0"><pre>Matches any parameter of a function declaration.
|
|
|
|
Does not match the 'this' parameter of a method.
|
|
|
|
Given
|
|
class X { void f(int x, int y, int z) {} };
|
|
methodDecl(hasAnyParameter(hasName("y")))
|
|
matches f(int x, int y, int z) {}
|
|
with hasAnyParameter(...)
|
|
matching int y
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('hasParameter0')"><a name="hasParameter0Anchor">hasParameter</a></td><td>unsigned N, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasParameter0"><pre>Matches the n'th parameter of a function declaration.
|
|
|
|
Given
|
|
class X { void f(int x) {} };
|
|
methodDecl(hasParameter(0, hasType(varDecl())))
|
|
matches f(int x) {}
|
|
with hasParameter(...)
|
|
matching int x
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('returns0')"><a name="returns0Anchor">returns</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="returns0"><pre>Matches the return type of a function declaration.
|
|
|
|
Given:
|
|
class X { int f() { return 1; } };
|
|
methodDecl(returns(asString("int")))
|
|
matches int f() { return 1; }
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1IfStmt.html">IfStmt</a>></td><td class="name" onclick="toggle('hasCondition0')"><a name="hasCondition0Anchor">hasCondition</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasCondition0"><pre>Matches the condition expression of an if statement, for loop,
|
|
or conditional operator.
|
|
|
|
Example matches true (matcher = hasCondition(boolLiteral(equals(true))))
|
|
if (true) {}
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1IfStmt.html">IfStmt</a>></td><td class="name" onclick="toggle('hasConditionVariableStatement0')"><a name="hasConditionVariableStatement0Anchor">hasConditionVariableStatement</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclStmt.html">DeclStmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasConditionVariableStatement0"><pre>Matches the condition variable statement in an if statement.
|
|
|
|
Given
|
|
if (A* a = GetAPointer()) {}
|
|
hasConditionVariableStatement(...)
|
|
matches 'A* a = GetAPointer()'.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ImplicitCastExpr.html">ImplicitCastExpr</a>></td><td class="name" onclick="toggle('hasImplicitDestinationType0')"><a name="hasImplicitDestinationType0Anchor">hasImplicitDestinationType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasImplicitDestinationType0"><pre>Matches implicit casts whose destination type matches a given
|
|
matcher.
|
|
|
|
FIXME: Unit test this matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>></td><td class="name" onclick="toggle('hasDeclaration9')"><a name="hasDeclaration9Anchor">hasDeclaration</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration9"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
|
|
Also usable as Matcher<T> for any T supporting the getDecl() member
|
|
function. e.g. various subtypes of clang::Type and various expressions.
|
|
FIXME: Add all node types for which this is matcher is usable due to
|
|
getDecl().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>></td><td class="name" onclick="toggle('hasDeclaration8')"><a name="hasDeclaration8Anchor">hasDeclaration</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration8"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
|
|
Also usable as Matcher<T> for any T supporting the getDecl() member
|
|
function. e.g. various subtypes of clang::Type and various expressions.
|
|
FIXME: Add all node types for which this is matcher is usable due to
|
|
getDecl().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>></td><td class="name" onclick="toggle('hasDeclaration7')"><a name="hasDeclaration7Anchor">hasDeclaration</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration7"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
|
|
Also usable as Matcher<T> for any T supporting the getDecl() member
|
|
function. e.g. various subtypes of clang::Type and various expressions.
|
|
FIXME: Add all node types for which this is matcher is usable due to
|
|
getDecl().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>></td><td class="name" onclick="toggle('hasObjectExpression0')"><a name="hasObjectExpression0Anchor">hasObjectExpression</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasObjectExpression0"><pre>Matches a member expression where the object expression is
|
|
matched by a given matcher.
|
|
|
|
Given
|
|
struct X { int m; };
|
|
void f(X x) { x.m; m; }
|
|
memberExpr(hasObjectExpression(hasType(recordDecl(hasName("X")))))))
|
|
matches "x.m" and "m"
|
|
with hasObjectExpression(...)
|
|
matching "x" and the implicit object expression of "m" which has type X*.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>></td><td class="name" onclick="toggle('member0')"><a name="member0Anchor">member</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="member0"><pre>Matches a member expression where the member is matched by a
|
|
given matcher.
|
|
|
|
Given
|
|
struct { int first, second; } first, second;
|
|
int i(second.first);
|
|
int j(first.second);
|
|
memberExpr(member(hasName("first")))
|
|
matches second.first
|
|
but not first.second (because the member name there is "second").
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerTypeLoc.html">MemberPointerTypeLoc</a>></td><td class="name" onclick="toggle('pointeeLoc1')"><a name="pointeeLoc1Anchor">pointeeLoc</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointeeLoc1"><pre>Narrows PointerType (and similar) matchers to those where the
|
|
pointee matches a given matcher.
|
|
|
|
Given
|
|
int *a;
|
|
int const *b;
|
|
float const *f;
|
|
pointerType(pointee(isConstQualified(), isInteger()))
|
|
matches "int const *b"
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>></td><td class="name" onclick="toggle('pointee1')"><a name="pointee1Anchor">pointee</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointee1"><pre>Narrows PointerType (and similar) matchers to those where the
|
|
pointee matches a given matcher.
|
|
|
|
Given
|
|
int *a;
|
|
int const *b;
|
|
float const *f;
|
|
pointerType(pointee(isConstQualified(), isInteger()))
|
|
matches "int const *b"
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>></td><td class="name" onclick="toggle('hasPrefix1')"><a name="hasPrefix1Anchor">hasPrefix</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasPrefix1"><pre>Matches on the prefix of a NestedNameSpecifierLoc.
|
|
|
|
Given
|
|
struct A { struct B { struct C {}; }; };
|
|
A::B::C c;
|
|
nestedNameSpecifierLoc(hasPrefix(loc(specifiesType(asString("struct A")))))
|
|
matches "A::"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>></td><td class="name" onclick="toggle('loc1')"><a name="loc1Anchor">loc</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="loc1"><pre>Matches NestedNameSpecifierLocs for which the given inner
|
|
NestedNameSpecifier-matcher matches.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>></td><td class="name" onclick="toggle('specifiesTypeLoc0')"><a name="specifiesTypeLoc0Anchor">specifiesTypeLoc</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="specifiesTypeLoc0"><pre>Matches nested name specifier locs that specify a type matching the
|
|
given TypeLoc.
|
|
|
|
Given
|
|
struct A { struct B { struct C {}; }; };
|
|
A::B::C c;
|
|
nestedNameSpecifierLoc(specifiesTypeLoc(loc(type(
|
|
hasDeclaration(recordDecl(hasName("A")))))))
|
|
matches "A::"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>></td><td class="name" onclick="toggle('hasPrefix0')"><a name="hasPrefix0Anchor">hasPrefix</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasPrefix0"><pre>Matches on the prefix of a NestedNameSpecifier.
|
|
|
|
Given
|
|
struct A { struct B { struct C {}; }; };
|
|
A::B::C c;
|
|
nestedNameSpecifier(hasPrefix(specifiesType(asString("struct A")))) and
|
|
matches "A::"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>></td><td class="name" onclick="toggle('specifiesNamespace0')"><a name="specifiesNamespace0Anchor">specifiesNamespace</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NamespaceDecl.html">NamespaceDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="specifiesNamespace0"><pre>Matches nested name specifiers that specify a namespace matching the
|
|
given namespace matcher.
|
|
|
|
Given
|
|
namespace ns { struct A {}; }
|
|
ns::A a;
|
|
nestedNameSpecifier(specifiesNamespace(hasName("ns")))
|
|
matches "ns::"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>></td><td class="name" onclick="toggle('specifiesType0')"><a name="specifiesType0Anchor">specifiesType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="specifiesType0"><pre>Matches nested name specifiers that specify a type matching the
|
|
given QualType matcher without qualifiers.
|
|
|
|
Given
|
|
struct A { struct B { struct C {}; }; };
|
|
A::B::C c;
|
|
nestedNameSpecifier(specifiesType(hasDeclaration(recordDecl(hasName("A")))))
|
|
matches "A::"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ParenType.html">ParenType</a>></td><td class="name" onclick="toggle('innerType0')"><a name="innerType0Anchor">innerType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="innerType0"><pre>Matches ParenType nodes where the inner type is a specific type.
|
|
|
|
Given
|
|
int (*ptr_to_array)[4];
|
|
int (*ptr_to_func)(int);
|
|
|
|
varDecl(hasType(pointsTo(parenType(innerType(functionType()))))) matches
|
|
ptr_to_func but not ptr_to_array.
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ParenType.html">ParenType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerTypeLoc.html">PointerTypeLoc</a>></td><td class="name" onclick="toggle('pointeeLoc2')"><a name="pointeeLoc2Anchor">pointeeLoc</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointeeLoc2"><pre>Narrows PointerType (and similar) matchers to those where the
|
|
pointee matches a given matcher.
|
|
|
|
Given
|
|
int *a;
|
|
int const *b;
|
|
float const *f;
|
|
pointerType(pointee(isConstQualified(), isInteger()))
|
|
matches "int const *b"
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>></td><td class="name" onclick="toggle('pointee2')"><a name="pointee2Anchor">pointee</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointee2"><pre>Narrows PointerType (and similar) matchers to those where the
|
|
pointee matches a given matcher.
|
|
|
|
Given
|
|
int *a;
|
|
int const *b;
|
|
float const *f;
|
|
pointerType(pointee(isConstQualified(), isInteger()))
|
|
matches "int const *b"
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('hasCanonicalType0')"><a name="hasCanonicalType0Anchor">hasCanonicalType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasCanonicalType0"><pre>Matches QualTypes whose canonical type matches InnerMatcher.
|
|
|
|
Given:
|
|
typedef int &int_ref;
|
|
int a;
|
|
int_ref b = a;
|
|
|
|
varDecl(hasType(qualType(referenceType()))))) will not match the
|
|
declaration of b but varDecl(hasType(qualType(hasCanonicalType(referenceType())))))) does.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('hasDeclaration6')"><a name="hasDeclaration6Anchor">hasDeclaration</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration6"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
|
|
Also usable as Matcher<T> for any T supporting the getDecl() member
|
|
function. e.g. various subtypes of clang::Type and various expressions.
|
|
FIXME: Add all node types for which this is matcher is usable due to
|
|
getDecl().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('pointsTo1')"><a name="pointsTo1Anchor">pointsTo</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointsTo1"><pre>Overloaded to match the pointee type's declaration.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('references1')"><a name="references1Anchor">references</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="references1"><pre>Overloaded to match the referenced type's declaration.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>></td><td class="name" onclick="toggle('hasDeclaration5')"><a name="hasDeclaration5Anchor">hasDeclaration</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration5"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
|
|
Also usable as Matcher<T> for any T supporting the getDecl() member
|
|
function. e.g. various subtypes of clang::Type and various expressions.
|
|
FIXME: Add all node types for which this is matcher is usable due to
|
|
getDecl().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceTypeLoc.html">ReferenceTypeLoc</a>></td><td class="name" onclick="toggle('pointeeLoc3')"><a name="pointeeLoc3Anchor">pointeeLoc</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointeeLoc3"><pre>Narrows PointerType (and similar) matchers to those where the
|
|
pointee matches a given matcher.
|
|
|
|
Given
|
|
int *a;
|
|
int const *b;
|
|
float const *f;
|
|
pointerType(pointee(isConstQualified(), isInteger()))
|
|
matches "int const *b"
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>></td><td class="name" onclick="toggle('pointee3')"><a name="pointee3Anchor">pointee</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td></tr>
|
|
<tr><td colspan="4" class="doc" id="pointee3"><pre>Narrows PointerType (and similar) matchers to those where the
|
|
pointee matches a given matcher.
|
|
|
|
Given
|
|
int *a;
|
|
int const *b;
|
|
float const *f;
|
|
pointerType(pointee(isConstQualified(), isInteger()))
|
|
matches "int const *b"
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('alignOfExpr0')"><a name="alignOfExpr0Anchor">alignOfExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryExprOrTypeTraitExpr.html">UnaryExprOrTypeTraitExpr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="alignOfExpr0"><pre>Same as unaryExprOrTypeTraitExpr, but only matching
|
|
alignof.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('sizeOfExpr0')"><a name="sizeOfExpr0Anchor">sizeOfExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryExprOrTypeTraitExpr.html">UnaryExprOrTypeTraitExpr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="sizeOfExpr0"><pre>Same as unaryExprOrTypeTraitExpr, but only matching
|
|
sizeof.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1SwitchStmt.html">SwitchStmt</a>></td><td class="name" onclick="toggle('forEachSwitchCase0')"><a name="forEachSwitchCase0Anchor">forEachSwitchCase</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1SwitchCase.html">SwitchCase</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="forEachSwitchCase0"><pre>Matches each case or default statement belonging to the given switch
|
|
statement. This matcher may produce multiple matches.
|
|
|
|
Given
|
|
switch (1) { case 1: case 2: default: switch (2) { case 3: case 4: ; } }
|
|
switchStmt(forEachSwitchCase(caseStmt().bind("c"))).bind("s")
|
|
matches four times, with "c" binding each of "case 1:", "case 2:",
|
|
"case 3:" and "case 4:", and "s" respectively binding "switch (1)",
|
|
"switch (1)", "switch (2)" and "switch (2)".
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>></td><td class="name" onclick="toggle('hasDeclaration4')"><a name="hasDeclaration4Anchor">hasDeclaration</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration4"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
|
|
Also usable as Matcher<T> for any T supporting the getDecl() member
|
|
function. e.g. various subtypes of clang::Type and various expressions.
|
|
FIXME: Add all node types for which this is matcher is usable due to
|
|
getDecl().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>></td><td class="name" onclick="toggle('refersToDeclaration0')"><a name="refersToDeclaration0Anchor">refersToDeclaration</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="refersToDeclaration0"><pre>Matches a TemplateArgument that refers to a certain declaration.
|
|
|
|
Given
|
|
template<typename T> struct A {};
|
|
struct B { B* next; };
|
|
A<&B::next> a;
|
|
classTemplateSpecializationDecl(hasAnyTemplateArgument(
|
|
refersToDeclaration(fieldDecl(hasName("next"))))
|
|
matches the specialization A<&B::next> with fieldDecl(...) matching
|
|
B::next
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<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<<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.
|
|
|
|
Given
|
|
struct X {};
|
|
template<typename T> struct A {};
|
|
A<X> a;
|
|
classTemplateSpecializationDecl(hasAnyTemplateArgument(
|
|
refersToType(class(hasName("X")))))
|
|
matches the specialization A<X>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>></td><td class="name" onclick="toggle('hasDeclaration3')"><a name="hasDeclaration3Anchor">hasDeclaration</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration3"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
|
|
Also usable as Matcher<T> for any T supporting the getDecl() member
|
|
function. e.g. various subtypes of clang::Type and various expressions.
|
|
FIXME: Add all node types for which this is matcher is usable due to
|
|
getDecl().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>></td><td class="name" onclick="toggle('hasDeclaration2')"><a name="hasDeclaration2Anchor">hasDeclaration</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration2"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
|
|
Also usable as Matcher<T> for any T supporting the getDecl() member
|
|
function. e.g. various subtypes of clang::Type and various expressions.
|
|
FIXME: Add all node types for which this is matcher is usable due to
|
|
getDecl().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<T></td><td class="name" onclick="toggle('findAll0')"><a name="findAll0Anchor">findAll</a></td><td>Matcher<T> Matcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="findAll0"><pre>Matches if the node or any descendant matches.
|
|
|
|
Generates results for each match.
|
|
|
|
For example, in:
|
|
class A { class B {}; class C {}; };
|
|
The matcher:
|
|
recordDecl(hasName("::A"), findAll(recordDecl(isDefinition()).bind("m")))
|
|
will generate results for A, B and C.
|
|
|
|
Usable as: Any Matcher
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>></td><td class="name" onclick="toggle('loc0')"><a name="loc0Anchor">loc</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="loc0"><pre>Matches TypeLocs for which the given inner
|
|
QualType-matcher matches.
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>></td><td class="name" onclick="toggle('hasDeclaration1')"><a name="hasDeclaration1Anchor">hasDeclaration</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasDeclaration1"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
|
|
|
|
The associated declaration is:
|
|
- for type nodes, the declaration of the underlying type
|
|
- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
|
- for CXXConstructExpr, the declaration of the constructor
|
|
|
|
Also usable as Matcher<T> for any T supporting the getDecl() member
|
|
function. e.g. various subtypes of clang::Type and various expressions.
|
|
FIXME: Add all node types for which this is matcher is usable due to
|
|
getDecl().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>,
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|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryExprOrTypeTraitExpr.html">UnaryExprOrTypeTraitExpr</a>></td><td class="name" onclick="toggle('hasArgumentOfType0')"><a name="hasArgumentOfType0Anchor">hasArgumentOfType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>> InnerMatcher</td></tr>
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<tr><td colspan="4" class="doc" id="hasArgumentOfType0"><pre>Matches unary expressions that have a specific type of argument.
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Given
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int a, c; float b; int s = sizeof(a) + sizeof(b) + alignof(c);
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unaryExprOrTypeTraitExpr(hasArgumentOfType(asString("int"))
|
|
matches sizeof(a) and alignof(c)
|
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryOperator.html">UnaryOperator</a>></td><td class="name" onclick="toggle('hasUnaryOperand0')"><a name="hasUnaryOperand0Anchor">hasUnaryOperand</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
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<tr><td colspan="4" class="doc" id="hasUnaryOperand0"><pre>Matches if the operand of a unary operator matches.
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Example matches true (matcher = hasUnaryOperand(boolLiteral(equals(true))))
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!true
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</pre></td></tr>
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>></td><td class="name" onclick="toggle('hasDeclaration0')"><a name="hasDeclaration0Anchor">hasDeclaration</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
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<tr><td colspan="4" class="doc" id="hasDeclaration0"><pre>Matches a node if the declaration associated with that node
|
|
matches the given matcher.
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The associated declaration is:
|
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- for type nodes, the declaration of the underlying type
|
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- for CallExpr, the declaration of the callee
|
|
- for MemberExpr, the declaration of the referenced member
|
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- for CXXConstructExpr, the declaration of the constructor
|
|
|
|
Also usable as Matcher<T> for any T supporting the getDecl() member
|
|
function. e.g. various subtypes of clang::Type and various expressions.
|
|
FIXME: Add all node types for which this is matcher is usable due to
|
|
getDecl().
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>>,
|
|
Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>>
|
|
</pre></td></tr>
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|
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UsingDecl.html">UsingDecl</a>></td><td class="name" onclick="toggle('hasAnyUsingShadowDecl0')"><a name="hasAnyUsingShadowDecl0Anchor">hasAnyUsingShadowDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UsingShadowDecl.html">UsingShadowDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasAnyUsingShadowDecl0"><pre>Matches any using shadow declaration.
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|
|
|
Given
|
|
namespace X { void b(); }
|
|
using X::b;
|
|
usingDecl(hasAnyUsingShadowDecl(hasName("b"))))
|
|
matches using X::b </pre></td></tr>
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|
|
|
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<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1UsingShadowDecl.html">UsingShadowDecl</a>></td><td class="name" onclick="toggle('hasTargetDecl0')"><a name="hasTargetDecl0Anchor">hasTargetDecl</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasTargetDecl0"><pre>Matches a using shadow declaration where the target declaration is
|
|
matched by the given matcher.
|
|
|
|
Given
|
|
namespace X { int a; void b(); }
|
|
using X::a;
|
|
using X::b;
|
|
usingDecl(hasAnyUsingShadowDecl(hasTargetDecl(functionDecl())))
|
|
matches using X::b but not using X::a </pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>></td><td class="name" onclick="toggle('hasType3')"><a name="hasType3Anchor">hasType</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasType3"><pre>Overloaded to match the declaration of the expression's or value
|
|
declaration's type.
|
|
|
|
In case of a value declaration (for example a variable declaration),
|
|
this resolves one layer of indirection. For example, in the value
|
|
declaration "X x;", recordDecl(hasName("X")) matches the declaration of X,
|
|
while varDecl(hasType(recordDecl(hasName("X")))) matches the declaration
|
|
of x."
|
|
|
|
Example matches x (matcher = expr(hasType(recordDecl(hasName("X")))))
|
|
and z (matcher = varDecl(hasType(recordDecl(hasName("X")))))
|
|
class X {};
|
|
void y(X &x) { x; X z; }
|
|
|
|
Usable as: Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>>, Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>>
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('hasInitializer0')"><a name="hasInitializer0Anchor">hasInitializer</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasInitializer0"><pre>Matches a variable declaration that has an initializer expression
|
|
that matches the given matcher.
|
|
|
|
Example matches x (matcher = varDecl(hasInitializer(callExpr())))
|
|
bool y() { return true; }
|
|
bool x = y();
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1VariableArrayType.html">VariableArrayType</a>></td><td class="name" onclick="toggle('hasSizeExpr0')"><a name="hasSizeExpr0Anchor">hasSizeExpr</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasSizeExpr0"><pre>Matches VariableArrayType nodes that have a specific size
|
|
expression.
|
|
|
|
Given
|
|
void f(int b) {
|
|
int a[b];
|
|
}
|
|
variableArrayType(hasSizeExpr(ignoringImpCasts(declRefExpr(to(
|
|
varDecl(hasName("b")))))))
|
|
matches "int a[b]"
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1WhileStmt.html">WhileStmt</a>></td><td class="name" onclick="toggle('hasBody2')"><a name="hasBody2Anchor">hasBody</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasBody2"><pre>Matches a 'for', 'while', or 'do while' statement that has
|
|
a given body.
|
|
|
|
Given
|
|
for (;;) {}
|
|
hasBody(compoundStmt())
|
|
matches 'for (;;) {}'
|
|
with compoundStmt()
|
|
matching '{}'
|
|
</pre></td></tr>
|
|
|
|
|
|
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1WhileStmt.html">WhileStmt</a>></td><td class="name" onclick="toggle('hasCondition2')"><a name="hasCondition2Anchor">hasCondition</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
|
|
<tr><td colspan="4" class="doc" id="hasCondition2"><pre>Matches the condition expression of an if statement, for loop,
|
|
or conditional operator.
|
|
|
|
Example matches true (matcher = hasCondition(boolLiteral(equals(true))))
|
|
if (true) {}
|
|
</pre></td></tr>
|
|
|
|
<!--END_TRAVERSAL_MATCHERS -->
|
|
</table>
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</div>
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</body>
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</html>
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