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37
38<h1>AST Matcher Reference</h1>
39
40<p>This document shows all currently implemented matchers. The matchers are grouped
41by category and node type they match. You can click on matcher names to show the
42matcher's source documentation.</p>
43
44<p>There are three different basic categories of matchers:
45<ul>
46<li><a href="#decl-matchers">Node Matchers:</a> Matchers that match a specific type of AST node.</li>
47<li><a href="#narrowing-matchers">Narrowing Matchers:</a> Matchers that match attributes on AST nodes.</li>
48<li><a href="#traversal-matchers">Traversal Matchers:</a> Matchers that allow traversal between AST nodes.</li>
49</ul>
50</p>
51
52<p>Within each category the matchers are ordered by node type they match on.
53Note that if a matcher can match multiple node types, it will it will appear
54multiple times. This means that by searching for Matcher&lt;Stmt&gt; you can
55find all matchers that can be used to match on Stmt nodes.</p>
56
57<p>The exception to that rule are matchers that can match on any node. Those
58are marked with a * and are listed in the beginning of each category.</p>
59
60<p>Note that the categorization of matchers is a great help when you combine
61them into matcher expressions. You will usually want to form matcher expressions
62that read like english sentences by alternating between node matchers and
63narrowing or traversal matchers, like this:
64<pre>
65recordDecl(hasDescendant(
66 ifStmt(hasTrueExpression(
67 expr(hasDescendant(
68 ifStmt()))))))
69</pre>
70</p>
71
72<!-- ======================================================================= -->
73<h2 id="decl-matchers">Node Matchers</h2>
74<!-- ======================================================================= -->
75
76<p>Node matchers are at the core of matcher expressions - they specify the type
77of node that is expected. Every match expression starts with a node matcher,
78which can then be further refined with a narrowing or traversal matcher. All
79traversal matchers take node matchers as their arguments.</p>
80
81<p>For convenience, all node matchers take an arbitrary number of arguments
82and implicitly act as allOf matchers.</p>
83
84<p>Node matchers are the only matchers that support the bind("id") call to
85bind the matched node to the given string, to be later retrieved from the
86match callback.</p>
87
88<p>It is important to remember that the arguments to node matchers are
89predicates on the same node, just with additional information about the type.
90This is often useful to make matcher expression more readable by inlining bind
91calls into redundant node matchers inside another node matcher:
92<pre>
93// This binds the CXXRecordDecl to "id", as the decl() matcher will stay on
94// the same node.
95recordDecl(decl().bind("id"), hasName("::MyClass"))
96</pre>
97</p>
98
99<table>
100<tr style="text-align:left"><th>Return type</th><th>Name</th><th>Parameters</th></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000101<!-- START_DECL_MATCHERS -->
102
Aaron Ballman672dde22016-01-22 23:15:00 +0000103<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>&gt;</td><td class="name" onclick="toggle('cxxCtorInitializer0')"><a name="cxxCtorInitializer0Anchor">cxxCtorInitializer</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000104<tr><td colspan="4" class="doc" id="cxxCtorInitializer0"><pre>Matches constructor initializers.
105
106Examples matches i(42).
107 class C {
108 C() : i(42) {}
109 int i;
110 };
111</pre></td></tr>
112
113
Aaron Ballman672dde22016-01-22 23:15:00 +0000114<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('accessSpecDecl0')"><a name="accessSpecDecl0Anchor">accessSpecDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AccessSpecDecl.html">AccessSpecDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000115<tr><td colspan="4" class="doc" id="accessSpecDecl0"><pre>Matches C++ access specifier declarations.
116
117Given
118 class C {
119 public:
120 int a;
121 };
122accessSpecDecl()
123 matches 'public:'
124</pre></td></tr>
125
126
Aaron Ballman672dde22016-01-22 23:15:00 +0000127<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('classTemplateDecl0')"><a name="classTemplateDecl0Anchor">classTemplateDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ClassTemplateDecl.html">ClassTemplateDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000128<tr><td colspan="4" class="doc" id="classTemplateDecl0"><pre>Matches C++ class template declarations.
129
130Example matches Z
131 template&lt;class T&gt; class Z {};
132</pre></td></tr>
133
134
Aaron Ballman672dde22016-01-22 23:15:00 +0000135<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('classTemplateSpecializationDecl0')"><a name="classTemplateSpecializationDecl0Anchor">classTemplateSpecializationDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ClassTemplateSpecializationDecl.html">ClassTemplateSpecializationDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000136<tr><td colspan="4" class="doc" id="classTemplateSpecializationDecl0"><pre>Matches C++ class template specializations.
137
138Given
139 template&lt;typename T&gt; class A {};
140 template&lt;&gt; class A&lt;double&gt; {};
141 A&lt;int&gt; a;
142classTemplateSpecializationDecl()
143 matches the specializations A&lt;int&gt; and A&lt;double&gt;
144</pre></td></tr>
145
146
Aaron Ballman672dde22016-01-22 23:15:00 +0000147<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('cxxConstructorDecl0')"><a name="cxxConstructorDecl0Anchor">cxxConstructorDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000148<tr><td colspan="4" class="doc" id="cxxConstructorDecl0"><pre>Matches C++ constructor declarations.
149
150Example matches Foo::Foo() and Foo::Foo(int)
151 class Foo {
152 public:
153 Foo();
154 Foo(int);
155 int DoSomething();
156 };
157</pre></td></tr>
158
159
Aaron Ballman672dde22016-01-22 23:15:00 +0000160<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('cxxConversionDecl0')"><a name="cxxConversionDecl0Anchor">cxxConversionDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConversionDecl.html">CXXConversionDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000161<tr><td colspan="4" class="doc" id="cxxConversionDecl0"><pre>Matches conversion operator declarations.
162
163Example matches the operator.
164 class X { operator int() const; };
165</pre></td></tr>
166
167
Aaron Ballman672dde22016-01-22 23:15:00 +0000168<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('cxxDestructorDecl0')"><a name="cxxDestructorDecl0Anchor">cxxDestructorDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXDestructorDecl.html">CXXDestructorDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000169<tr><td colspan="4" class="doc" id="cxxDestructorDecl0"><pre>Matches explicit C++ destructor declarations.
170
171Example matches Foo::~Foo()
172 class Foo {
173 public:
174 virtual ~Foo();
175 };
176</pre></td></tr>
177
178
Aaron Ballman672dde22016-01-22 23:15:00 +0000179<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('cxxMethodDecl0')"><a name="cxxMethodDecl0Anchor">cxxMethodDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000180<tr><td colspan="4" class="doc" id="cxxMethodDecl0"><pre>Matches method declarations.
181
182Example matches y
183 class X { void y(); };
184</pre></td></tr>
185
186
Aaron Ballman672dde22016-01-22 23:15:00 +0000187<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('cxxRecordDecl0')"><a name="cxxRecordDecl0Anchor">cxxRecordDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000188<tr><td colspan="4" class="doc" id="cxxRecordDecl0"><pre>Matches C++ class declarations.
189
190Example matches X, Z
191 class X;
192 template&lt;class T&gt; class Z {};
193</pre></td></tr>
194
195
Aaron Ballman672dde22016-01-22 23:15:00 +0000196<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('decl0')"><a name="decl0Anchor">decl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000197<tr><td colspan="4" class="doc" id="decl0"><pre>Matches declarations.
198
199Examples matches X, C, and the friend declaration inside C;
200 void X();
201 class C {
202 friend X;
203 };
204</pre></td></tr>
205
206
Aaron Ballman672dde22016-01-22 23:15:00 +0000207<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('declaratorDecl0')"><a name="declaratorDecl0Anchor">declaratorDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclaratorDecl.html">DeclaratorDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000208<tr><td colspan="4" class="doc" id="declaratorDecl0"><pre>Matches declarator declarations (field, variable, function
209and non-type template parameter declarations).
210
211Given
212 class X { int y; };
213declaratorDecl()
214 matches int y.
215</pre></td></tr>
216
217
Aaron Ballman672dde22016-01-22 23:15:00 +0000218<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('enumConstantDecl0')"><a name="enumConstantDecl0Anchor">enumConstantDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumConstantDecl.html">EnumConstantDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000219<tr><td colspan="4" class="doc" id="enumConstantDecl0"><pre>Matches enum constants.
220
221Example matches A, B, C
222 enum X {
223 A, B, C
224 };
225</pre></td></tr>
226
227
Aaron Ballman672dde22016-01-22 23:15:00 +0000228<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('enumDecl0')"><a name="enumDecl0Anchor">enumDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumDecl.html">EnumDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000229<tr><td colspan="4" class="doc" id="enumDecl0"><pre>Matches enum declarations.
230
231Example matches X
232 enum X {
233 A, B, C
234 };
235</pre></td></tr>
236
237
Aaron Ballman672dde22016-01-22 23:15:00 +0000238<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('fieldDecl0')"><a name="fieldDecl0Anchor">fieldDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FieldDecl.html">FieldDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000239<tr><td colspan="4" class="doc" id="fieldDecl0"><pre>Matches field declarations.
240
241Given
242 class X { int m; };
243fieldDecl()
244 matches 'm'.
245</pre></td></tr>
246
247
Aaron Ballman672dde22016-01-22 23:15:00 +0000248<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('friendDecl0')"><a name="friendDecl0Anchor">friendDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FriendDecl.html">FriendDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000249<tr><td colspan="4" class="doc" id="friendDecl0"><pre>Matches friend declarations.
250
251Given
252 class X { friend void foo(); };
253friendDecl()
254 matches 'friend void foo()'.
255</pre></td></tr>
256
257
Aaron Ballman672dde22016-01-22 23:15:00 +0000258<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('functionDecl0')"><a name="functionDecl0Anchor">functionDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000259<tr><td colspan="4" class="doc" id="functionDecl0"><pre>Matches function declarations.
260
261Example matches f
262 void f();
263</pre></td></tr>
264
265
Aaron Ballman672dde22016-01-22 23:15:00 +0000266<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('functionTemplateDecl0')"><a name="functionTemplateDecl0Anchor">functionTemplateDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionTemplateDecl.html">FunctionTemplateDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000267<tr><td colspan="4" class="doc" id="functionTemplateDecl0"><pre>Matches C++ function template declarations.
268
269Example matches f
270 template&lt;class T&gt; void f(T t) {}
271</pre></td></tr>
272
273
Aaron Ballmana35b8fc2016-03-09 17:11:51 +0000274<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('labelDecl0')"><a name="labelDecl0Anchor">labelDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelDecl.html">LabelDecl</a>&gt;...</td></tr>
275<tr><td colspan="4" class="doc" id="labelDecl0"><pre>Matches a declaration of label.
276
277Given
278 goto FOO;
279 FOO: bar();
280labelDecl()
281 matches 'FOO:'
282</pre></td></tr>
283
284
Aaron Ballman672dde22016-01-22 23:15:00 +0000285<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('linkageSpecDecl0')"><a name="linkageSpecDecl0Anchor">linkageSpecDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LinkageSpecDecl.html">LinkageSpecDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000286<tr><td colspan="4" class="doc" id="linkageSpecDecl0"><pre>Matches a declaration of a linkage specification.
287
288Given
289 extern "C" {}
290linkageSpecDecl()
291 matches "extern "C" {}"
292</pre></td></tr>
293
294
Aaron Ballman672dde22016-01-22 23:15:00 +0000295<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('namedDecl0')"><a name="namedDecl0Anchor">namedDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000296<tr><td colspan="4" class="doc" id="namedDecl0"><pre>Matches a declaration of anything that could have a name.
297
298Example matches X, S, the anonymous union type, i, and U;
299 typedef int X;
300 struct S {
301 union {
302 int i;
303 } U;
304 };
305</pre></td></tr>
306
307
Aaron Ballman672dde22016-01-22 23:15:00 +0000308<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('namespaceAliasDecl0')"><a name="namespaceAliasDecl0Anchor">namespaceAliasDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NamespaceAliasDecl.html">NamespaceAliasDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000309<tr><td colspan="4" class="doc" id="namespaceAliasDecl0"><pre>Matches a declaration of a namespace alias.
310
311Given
312 namespace test {}
313 namespace alias = ::test;
314namespaceAliasDecl()
315 matches "namespace alias" but not "namespace test"
316</pre></td></tr>
317
318
Aaron Ballman672dde22016-01-22 23:15:00 +0000319<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('namespaceDecl0')"><a name="namespaceDecl0Anchor">namespaceDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NamespaceDecl.html">NamespaceDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000320<tr><td colspan="4" class="doc" id="namespaceDecl0"><pre>Matches a declaration of a namespace.
321
322Given
323 namespace {}
324 namespace test {}
325namespaceDecl()
326 matches "namespace {}" and "namespace test {}"
327</pre></td></tr>
328
329
Aaron Ballman672dde22016-01-22 23:15:00 +0000330<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('nonTypeTemplateParmDecl0')"><a name="nonTypeTemplateParmDecl0Anchor">nonTypeTemplateParmDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NonTypeTemplateParmDecl.html">NonTypeTemplateParmDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000331<tr><td colspan="4" class="doc" id="nonTypeTemplateParmDecl0"><pre>Matches non-type template parameter declarations.
332
333Given
334 template &lt;typename T, int N&gt; struct C {};
335nonTypeTemplateParmDecl()
336 matches 'N', but not 'T'.
337</pre></td></tr>
338
339
Aaron Ballman672dde22016-01-22 23:15:00 +0000340<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('objcInterfaceDecl0')"><a name="objcInterfaceDecl0Anchor">objcInterfaceDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ObjCInterfaceDecl.html">ObjCInterfaceDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000341<tr><td colspan="4" class="doc" id="objcInterfaceDecl0"><pre>Matches Objective-C interface declarations.
342
343Example matches Foo
344 @interface Foo
345 @end
346</pre></td></tr>
347
348
Aaron Ballman672dde22016-01-22 23:15:00 +0000349<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('parmVarDecl0')"><a name="parmVarDecl0Anchor">parmVarDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000350<tr><td colspan="4" class="doc" id="parmVarDecl0"><pre>Matches parameter variable declarations.
351
352Given
353 void f(int x);
354parmVarDecl()
355 matches int x.
356</pre></td></tr>
357
358
Aaron Ballman672dde22016-01-22 23:15:00 +0000359<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('recordDecl0')"><a name="recordDecl0Anchor">recordDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordDecl.html">RecordDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000360<tr><td colspan="4" class="doc" id="recordDecl0"><pre>Matches class, struct, and union declarations.
361
362Example matches X, Z, U, and S
363 class X;
364 template&lt;class T&gt; class Z {};
365 struct S {};
366 union U {};
367</pre></td></tr>
368
369
Aaron Ballman672dde22016-01-22 23:15:00 +0000370<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('staticAssertDecl0')"><a name="staticAssertDecl0Anchor">staticAssertDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1StaticAssertDecl.html">StaticAssertDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000371<tr><td colspan="4" class="doc" id="staticAssertDecl0"><pre>Matches a C++ static_assert declaration.
372
373Example:
374 staticAssertExpr()
375matches
376 static_assert(sizeof(S) == sizeof(int))
377in
378 struct S {
379 int x;
380 };
381 static_assert(sizeof(S) == sizeof(int));
382</pre></td></tr>
383
384
Aaron Ballman672dde22016-01-22 23:15:00 +0000385<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('templateTypeParmDecl0')"><a name="templateTypeParmDecl0Anchor">templateTypeParmDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmDecl.html">TemplateTypeParmDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000386<tr><td colspan="4" class="doc" id="templateTypeParmDecl0"><pre>Matches template type parameter declarations.
387
388Given
389 template &lt;typename T, int N&gt; struct C {};
390templateTypeParmDecl()
391 matches 'T', but not 'N'.
392</pre></td></tr>
393
394
Aaron Ballman672dde22016-01-22 23:15:00 +0000395<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('translationUnitDecl0')"><a name="translationUnitDecl0Anchor">translationUnitDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TranslationUnitDecl.html">TranslationUnitDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000396<tr><td colspan="4" class="doc" id="translationUnitDecl0"><pre>Matches the top declaration context.
397
398Given
399 int X;
400 namespace NS {
401 int Y;
402 } namespace NS
403decl(hasDeclContext(translationUnitDecl()))
404 matches "int X", but not "int Y".
405</pre></td></tr>
406
407
Aaron Ballman66eb58a2016-04-14 16:05:45 +0000408<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('typeAliasDecl0')"><a name="typeAliasDecl0Anchor">typeAliasDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeAliasDecl.html">TypeAliasDecl</a>&gt;...</td></tr>
409<tr><td colspan="4" class="doc" id="typeAliasDecl0"><pre>Matches type alias declarations.
410
411Given
412 typedef int X;
Samuel Benzaquena4076ea2016-05-04 20:45:00 +0000413 using Y = int;
Aaron Ballman66eb58a2016-04-14 16:05:45 +0000414typeAliasDecl()
415 matches "using Y = int", but not "typedef int X"
416</pre></td></tr>
417
418
Aaron Ballman672dde22016-01-22 23:15:00 +0000419<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('typedefDecl0')"><a name="typedefDecl0Anchor">typedefDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefDecl.html">TypedefDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000420<tr><td colspan="4" class="doc" id="typedefDecl0"><pre>Matches typedef declarations.
421
422Given
423 typedef int X;
Samuel Benzaquena4076ea2016-05-04 20:45:00 +0000424 using Y = int;
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000425typedefDecl()
Aaron Ballman66eb58a2016-04-14 16:05:45 +0000426 matches "typedef int X", but not "using Y = int"
427</pre></td></tr>
428
429
430<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('typedefNameDecl0')"><a name="typedefNameDecl0Anchor">typedefNameDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefNameDecl.html">TypedefNameDecl</a>&gt;...</td></tr>
431<tr><td colspan="4" class="doc" id="typedefNameDecl0"><pre>Matches typedef name declarations.
432
433Given
434 typedef int X;
Samuel Benzaquena4076ea2016-05-04 20:45:00 +0000435 using Y = int;
Aaron Ballman66eb58a2016-04-14 16:05:45 +0000436typedefNameDecl()
437 matches "typedef int X" and "using Y = int"
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000438</pre></td></tr>
439
440
Aaron Ballman672dde22016-01-22 23:15:00 +0000441<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('unresolvedUsingTypenameDecl0')"><a name="unresolvedUsingTypenameDecl0Anchor">unresolvedUsingTypenameDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingTypenameDecl.html">UnresolvedUsingTypenameDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000442<tr><td colspan="4" class="doc" id="unresolvedUsingTypenameDecl0"><pre>Matches unresolved using value declarations that involve the
443typename.
444
445Given
446 template &lt;typename T&gt;
447 struct Base { typedef T Foo; };
448
449 template&lt;typename T&gt;
450 struct S : private Base&lt;T&gt; {
451 using typename Base&lt;T&gt;::Foo;
452 };
453unresolvedUsingTypenameDecl()
454 matches using Base&lt;T&gt;::Foo </pre></td></tr>
455
456
Aaron Ballman672dde22016-01-22 23:15:00 +0000457<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('unresolvedUsingValueDecl0')"><a name="unresolvedUsingValueDecl0Anchor">unresolvedUsingValueDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingValueDecl.html">UnresolvedUsingValueDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000458<tr><td colspan="4" class="doc" id="unresolvedUsingValueDecl0"><pre>Matches unresolved using value declarations.
459
460Given
461 template&lt;typename X&gt;
462 class C : private X {
463 using X::x;
464 };
465unresolvedUsingValueDecl()
466 matches using X::x </pre></td></tr>
467
468
Aaron Ballman672dde22016-01-22 23:15:00 +0000469<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('usingDecl0')"><a name="usingDecl0Anchor">usingDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UsingDecl.html">UsingDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000470<tr><td colspan="4" class="doc" id="usingDecl0"><pre>Matches using declarations.
471
472Given
473 namespace X { int x; }
474 using X::x;
475usingDecl()
476 matches using X::x </pre></td></tr>
477
478
Aaron Ballman672dde22016-01-22 23:15:00 +0000479<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('usingDirectiveDecl0')"><a name="usingDirectiveDecl0Anchor">usingDirectiveDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UsingDirectiveDecl.html">UsingDirectiveDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000480<tr><td colspan="4" class="doc" id="usingDirectiveDecl0"><pre>Matches using namespace declarations.
481
482Given
483 namespace X { int x; }
484 using namespace X;
485usingDirectiveDecl()
486 matches using namespace X </pre></td></tr>
487
488
Aaron Ballman672dde22016-01-22 23:15:00 +0000489<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('valueDecl0')"><a name="valueDecl0Anchor">valueDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000490<tr><td colspan="4" class="doc" id="valueDecl0"><pre>Matches any value declaration.
491
492Example matches A, B, C and F
493 enum X { A, B, C };
494 void F();
495</pre></td></tr>
496
497
Aaron Ballman672dde22016-01-22 23:15:00 +0000498<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('varDecl0')"><a name="varDecl0Anchor">varDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000499<tr><td colspan="4" class="doc" id="varDecl0"><pre>Matches variable declarations.
500
501Note: this does not match declarations of member variables, which are
502"field" declarations in Clang parlance.
503
504Example matches a
505 int a;
506</pre></td></tr>
507
508
Aaron Ballman672dde22016-01-22 23:15:00 +0000509<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>&gt;</td><td class="name" onclick="toggle('nestedNameSpecifierLoc0')"><a name="nestedNameSpecifierLoc0Anchor">nestedNameSpecifierLoc</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000510<tr><td colspan="4" class="doc" id="nestedNameSpecifierLoc0"><pre>Same as nestedNameSpecifier but matches NestedNameSpecifierLoc.
511</pre></td></tr>
512
513
Aaron Ballman672dde22016-01-22 23:15:00 +0000514<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>&gt;</td><td class="name" onclick="toggle('nestedNameSpecifier0')"><a name="nestedNameSpecifier0Anchor">nestedNameSpecifier</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000515<tr><td colspan="4" class="doc" id="nestedNameSpecifier0"><pre>Matches nested name specifiers.
516
517Given
518 namespace ns {
519 struct A { static void f(); };
520 void A::f() {}
521 void g() { A::f(); }
522 }
523 ns::A a;
524nestedNameSpecifier()
525 matches "ns::" and both "A::"
526</pre></td></tr>
527
528
Aaron Ballman672dde22016-01-22 23:15:00 +0000529<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('qualType0')"><a name="qualType0Anchor">qualType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000530<tr><td colspan="4" class="doc" id="qualType0"><pre>Matches QualTypes in the clang AST.
531</pre></td></tr>
532
533
Aaron Ballmana35b8fc2016-03-09 17:11:51 +0000534<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('addrLabelExpr0')"><a name="addrLabelExpr0Anchor">addrLabelExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;...</td></tr>
535<tr><td colspan="4" class="doc" id="addrLabelExpr0"><pre>Matches address of label statements (GNU extension).
536
537Given
538 FOO: bar();
539 void *ptr = &amp;&amp;FOO;
540 goto *bar;
541addrLabelExpr()
542 matches '&amp;&amp;FOO'
543</pre></td></tr>
544
545
Aaron Ballman672dde22016-01-22 23:15:00 +0000546<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('arraySubscriptExpr0')"><a name="arraySubscriptExpr0Anchor">arraySubscriptExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ArraySubscriptExpr.html">ArraySubscriptExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000547<tr><td colspan="4" class="doc" id="arraySubscriptExpr0"><pre>Matches array subscript expressions.
548
549Given
550 int i = a[1];
551arraySubscriptExpr()
552 matches "a[1]"
553</pre></td></tr>
554
555
Aaron Ballman672dde22016-01-22 23:15:00 +0000556<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('asmStmt0')"><a name="asmStmt0Anchor">asmStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AsmStmt.html">AsmStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000557<tr><td colspan="4" class="doc" id="asmStmt0"><pre>Matches asm statements.
558
559 int i = 100;
560 __asm("mov al, 2");
561asmStmt()
562 matches '__asm("mov al, 2")'
563</pre></td></tr>
564
565
Aaron Ballmana35b8fc2016-03-09 17:11:51 +0000566<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('atomicExpr0')"><a name="atomicExpr0Anchor">atomicExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AtomicExpr.html">AtomicExpr</a>&gt;...</td></tr>
567<tr><td colspan="4" class="doc" id="atomicExpr0"><pre>Matches atomic builtins.
568Example matches __atomic_load_n(ptr, 1)
569 void foo() { int *ptr; __atomic_load_n(ptr, 1); }
570</pre></td></tr>
571
572
573<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('binaryConditionalOperator0')"><a name="binaryConditionalOperator0Anchor">binaryConditionalOperator</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BinaryConditionalOperator.html">BinaryConditionalOperator</a>&gt;...</td></tr>
574<tr><td colspan="4" class="doc" id="binaryConditionalOperator0"><pre>Matches binary conditional operator expressions (GNU extension).
575
576Example matches a ?: b
577 (a ?: b) + 42;
578</pre></td></tr>
579
580
Aaron Ballman672dde22016-01-22 23:15:00 +0000581<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('binaryOperator0')"><a name="binaryOperator0Anchor">binaryOperator</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BinaryOperator.html">BinaryOperator</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000582<tr><td colspan="4" class="doc" id="binaryOperator0"><pre>Matches binary operator expressions.
583
584Example matches a || b
585 !(a || b)
586</pre></td></tr>
587
588
Aaron Ballman672dde22016-01-22 23:15:00 +0000589<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('breakStmt0')"><a name="breakStmt0Anchor">breakStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BreakStmt.html">BreakStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000590<tr><td colspan="4" class="doc" id="breakStmt0"><pre>Matches break statements.
591
592Given
593 while (true) { break; }
594breakStmt()
595 matches 'break'
596</pre></td></tr>
597
598
Aaron Ballman672dde22016-01-22 23:15:00 +0000599<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cStyleCastExpr0')"><a name="cStyleCastExpr0Anchor">cStyleCastExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CStyleCastExpr.html">CStyleCastExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000600<tr><td colspan="4" class="doc" id="cStyleCastExpr0"><pre>Matches a C-style cast expression.
601
602Example: Matches (int*) 2.2f in
603 int i = (int) 2.2f;
604</pre></td></tr>
605
606
Aaron Ballman672dde22016-01-22 23:15:00 +0000607<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('callExpr0')"><a name="callExpr0Anchor">callExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000608<tr><td colspan="4" class="doc" id="callExpr0"><pre>Matches call expressions.
609
610Example matches x.y() and y()
611 X x;
612 x.y();
613 y();
614</pre></td></tr>
615
616
Aaron Ballman672dde22016-01-22 23:15:00 +0000617<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('caseStmt0')"><a name="caseStmt0Anchor">caseStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CaseStmt.html">CaseStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000618<tr><td colspan="4" class="doc" id="caseStmt0"><pre>Matches case statements inside switch statements.
619
620Given
621 switch(a) { case 42: break; default: break; }
622caseStmt()
623 matches 'case 42: break;'.
624</pre></td></tr>
625
626
Aaron Ballman672dde22016-01-22 23:15:00 +0000627<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('castExpr0')"><a name="castExpr0Anchor">castExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CastExpr.html">CastExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000628<tr><td colspan="4" class="doc" id="castExpr0"><pre>Matches any cast nodes of Clang's AST.
629
630Example: castExpr() matches each of the following:
631 (int) 3;
632 const_cast&lt;Expr *&gt;(SubExpr);
633 char c = 0;
634but does not match
635 int i = (0);
636 int k = 0;
637</pre></td></tr>
638
639
Aaron Ballman672dde22016-01-22 23:15:00 +0000640<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('characterLiteral0')"><a name="characterLiteral0Anchor">characterLiteral</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000641<tr><td colspan="4" class="doc" id="characterLiteral0"><pre>Matches character literals (also matches wchar_t).
642
643Not matching Hex-encoded chars (e.g. 0x1234, which is a IntegerLiteral),
644though.
645
646Example matches 'a', L'a'
Etienne Bergeron3588be72016-05-12 04:20:04 +0000647 char ch = 'a';
648 wchar_t chw = L'a';
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000649</pre></td></tr>
650
651
Aaron Ballman672dde22016-01-22 23:15:00 +0000652<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('compoundLiteralExpr0')"><a name="compoundLiteralExpr0Anchor">compoundLiteralExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CompoundLiteralExpr.html">CompoundLiteralExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000653<tr><td colspan="4" class="doc" id="compoundLiteralExpr0"><pre>Matches compound (i.e. non-scalar) literals
654
655Example match: {1}, (1, 2)
Etienne Bergeron3588be72016-05-12 04:20:04 +0000656 int array[4] = {1};
657 vector int myvec = (vector int)(1, 2);
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000658</pre></td></tr>
659
660
Aaron Ballman672dde22016-01-22 23:15:00 +0000661<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('compoundStmt0')"><a name="compoundStmt0Anchor">compoundStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CompoundStmt.html">CompoundStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000662<tr><td colspan="4" class="doc" id="compoundStmt0"><pre>Matches compound statements.
663
664Example matches '{}' and '{{}}'in 'for (;;) {{}}'
665 for (;;) {{}}
666</pre></td></tr>
667
668
Aaron Ballman672dde22016-01-22 23:15:00 +0000669<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('conditionalOperator0')"><a name="conditionalOperator0Anchor">conditionalOperator</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ConditionalOperator.html">ConditionalOperator</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000670<tr><td colspan="4" class="doc" id="conditionalOperator0"><pre>Matches conditional operator expressions.
671
672Example matches a ? b : c
673 (a ? b : c) + 42
674</pre></td></tr>
675
676
Aaron Ballman672dde22016-01-22 23:15:00 +0000677<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('continueStmt0')"><a name="continueStmt0Anchor">continueStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ContinueStmt.html">ContinueStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000678<tr><td colspan="4" class="doc" id="continueStmt0"><pre>Matches continue statements.
679
680Given
681 while (true) { continue; }
682continueStmt()
683 matches 'continue'
684</pre></td></tr>
685
686
Aaron Ballman672dde22016-01-22 23:15:00 +0000687<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cudaKernelCallExpr0')"><a name="cudaKernelCallExpr0Anchor">cudaKernelCallExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CUDAKernelCallExpr.html">CUDAKernelCallExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000688<tr><td colspan="4" class="doc" id="cudaKernelCallExpr0"><pre>Matches CUDA kernel call expression.
689
690Example matches,
691 kernel&lt;&lt;&lt;i,j&gt;&gt;&gt;();
692</pre></td></tr>
693
694
Aaron Ballman672dde22016-01-22 23:15:00 +0000695<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxBindTemporaryExpr0')"><a name="cxxBindTemporaryExpr0Anchor">cxxBindTemporaryExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXBindTemporaryExpr.html">CXXBindTemporaryExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000696<tr><td colspan="4" class="doc" id="cxxBindTemporaryExpr0"><pre>Matches nodes where temporaries are created.
697
698Example matches FunctionTakesString(GetStringByValue())
699 (matcher = cxxBindTemporaryExpr())
700 FunctionTakesString(GetStringByValue());
701 FunctionTakesStringByPointer(GetStringPointer());
702</pre></td></tr>
703
704
Aaron Ballman672dde22016-01-22 23:15:00 +0000705<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxBoolLiteral0')"><a name="cxxBoolLiteral0Anchor">cxxBoolLiteral</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXBoolLiteralExpr.html">CXXBoolLiteralExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000706<tr><td colspan="4" class="doc" id="cxxBoolLiteral0"><pre>Matches bool literals.
707
708Example matches true
709 true
710</pre></td></tr>
711
712
Aaron Ballman672dde22016-01-22 23:15:00 +0000713<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxCatchStmt0')"><a name="cxxCatchStmt0Anchor">cxxCatchStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCatchStmt.html">CXXCatchStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000714<tr><td colspan="4" class="doc" id="cxxCatchStmt0"><pre>Matches catch statements.
715
716 try {} catch(int i) {}
717cxxCatchStmt()
718 matches 'catch(int i)'
719</pre></td></tr>
720
721
Aaron Ballman672dde22016-01-22 23:15:00 +0000722<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxConstCastExpr0')"><a name="cxxConstCastExpr0Anchor">cxxConstCastExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstCastExpr.html">CXXConstCastExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000723<tr><td colspan="4" class="doc" id="cxxConstCastExpr0"><pre>Matches a const_cast expression.
724
725Example: Matches const_cast&lt;int*&gt;(&amp;r) in
726 int n = 42;
727 const int &amp;r(n);
728 int* p = const_cast&lt;int*&gt;(&amp;r);
729</pre></td></tr>
730
731
Aaron Ballman672dde22016-01-22 23:15:00 +0000732<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxConstructExpr0')"><a name="cxxConstructExpr0Anchor">cxxConstructExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000733<tr><td colspan="4" class="doc" id="cxxConstructExpr0"><pre>Matches constructor call expressions (including implicit ones).
734
735Example matches string(ptr, n) and ptr within arguments of f
736 (matcher = cxxConstructExpr())
737 void f(const string &amp;a, const string &amp;b);
738 char *ptr;
739 int n;
740 f(string(ptr, n), ptr);
741</pre></td></tr>
742
743
Aaron Ballman672dde22016-01-22 23:15:00 +0000744<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxDefaultArgExpr0')"><a name="cxxDefaultArgExpr0Anchor">cxxDefaultArgExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXDefaultArgExpr.html">CXXDefaultArgExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000745<tr><td colspan="4" class="doc" id="cxxDefaultArgExpr0"><pre>Matches the value of a default argument at the call site.
746
747Example matches the CXXDefaultArgExpr placeholder inserted for the
748 default value of the second parameter in the call expression f(42)
749 (matcher = cxxDefaultArgExpr())
750 void f(int x, int y = 0);
751 f(42);
752</pre></td></tr>
753
754
Aaron Ballman672dde22016-01-22 23:15:00 +0000755<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxDeleteExpr0')"><a name="cxxDeleteExpr0Anchor">cxxDeleteExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXDeleteExpr.html">CXXDeleteExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000756<tr><td colspan="4" class="doc" id="cxxDeleteExpr0"><pre>Matches delete expressions.
757
758Given
759 delete X;
760cxxDeleteExpr()
761 matches 'delete X'.
762</pre></td></tr>
763
764
Aaron Ballman672dde22016-01-22 23:15:00 +0000765<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxDynamicCastExpr0')"><a name="cxxDynamicCastExpr0Anchor">cxxDynamicCastExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXDynamicCastExpr.html">CXXDynamicCastExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000766<tr><td colspan="4" class="doc" id="cxxDynamicCastExpr0"><pre>Matches a dynamic_cast expression.
767
768Example:
769 cxxDynamicCastExpr()
770matches
771 dynamic_cast&lt;D*&gt;(&amp;b);
772in
773 struct B { virtual ~B() {} }; struct D : B {};
774 B b;
775 D* p = dynamic_cast&lt;D*&gt;(&amp;b);
776</pre></td></tr>
777
778
Aaron Ballman672dde22016-01-22 23:15:00 +0000779<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxForRangeStmt0')"><a name="cxxForRangeStmt0Anchor">cxxForRangeStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXForRangeStmt.html">CXXForRangeStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000780<tr><td colspan="4" class="doc" id="cxxForRangeStmt0"><pre>Matches range-based for statements.
781
782cxxForRangeStmt() matches 'for (auto a : i)'
783 int i[] = {1, 2, 3}; for (auto a : i);
784 for(int j = 0; j &lt; 5; ++j);
785</pre></td></tr>
786
787
Aaron Ballman672dde22016-01-22 23:15:00 +0000788<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxFunctionalCastExpr0')"><a name="cxxFunctionalCastExpr0Anchor">cxxFunctionalCastExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXFunctionalCastExpr.html">CXXFunctionalCastExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000789<tr><td colspan="4" class="doc" id="cxxFunctionalCastExpr0"><pre>Matches functional cast expressions
790
791Example: Matches Foo(bar);
792 Foo f = bar;
793 Foo g = (Foo) bar;
794 Foo h = Foo(bar);
795</pre></td></tr>
796
797
Aaron Ballman672dde22016-01-22 23:15:00 +0000798<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxMemberCallExpr0')"><a name="cxxMemberCallExpr0Anchor">cxxMemberCallExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMemberCallExpr.html">CXXMemberCallExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000799<tr><td colspan="4" class="doc" id="cxxMemberCallExpr0"><pre>Matches member call expressions.
800
801Example matches x.y()
802 X x;
803 x.y();
804</pre></td></tr>
805
806
Aaron Ballman672dde22016-01-22 23:15:00 +0000807<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxNewExpr0')"><a name="cxxNewExpr0Anchor">cxxNewExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXNewExpr.html">CXXNewExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000808<tr><td colspan="4" class="doc" id="cxxNewExpr0"><pre>Matches new expressions.
809
810Given
811 new X;
812cxxNewExpr()
813 matches 'new X'.
814</pre></td></tr>
815
816
Aaron Ballman672dde22016-01-22 23:15:00 +0000817<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxNullPtrLiteralExpr0')"><a name="cxxNullPtrLiteralExpr0Anchor">cxxNullPtrLiteralExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXNullPtrLiteralExpr.html">CXXNullPtrLiteralExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000818<tr><td colspan="4" class="doc" id="cxxNullPtrLiteralExpr0"><pre>Matches nullptr literal.
819</pre></td></tr>
820
821
Aaron Ballman672dde22016-01-22 23:15:00 +0000822<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxOperatorCallExpr0')"><a name="cxxOperatorCallExpr0Anchor">cxxOperatorCallExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXOperatorCallExpr.html">CXXOperatorCallExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000823<tr><td colspan="4" class="doc" id="cxxOperatorCallExpr0"><pre>Matches overloaded operator calls.
824
825Note that if an operator isn't overloaded, it won't match. Instead, use
826binaryOperator matcher.
827Currently it does not match operators such as new delete.
828FIXME: figure out why these do not match?
829
830Example matches both operator&lt;&lt;((o &lt;&lt; b), c) and operator&lt;&lt;(o, b)
831 (matcher = cxxOperatorCallExpr())
832 ostream &amp;operator&lt;&lt; (ostream &amp;out, int i) { };
833 ostream &amp;o; int b = 1, c = 1;
834 o &lt;&lt; b &lt;&lt; c;
835</pre></td></tr>
836
837
Aaron Ballman672dde22016-01-22 23:15:00 +0000838<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxReinterpretCastExpr0')"><a name="cxxReinterpretCastExpr0Anchor">cxxReinterpretCastExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXReinterpretCastExpr.html">CXXReinterpretCastExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000839<tr><td colspan="4" class="doc" id="cxxReinterpretCastExpr0"><pre>Matches a reinterpret_cast expression.
840
841Either the source expression or the destination type can be matched
842using has(), but hasDestinationType() is more specific and can be
843more readable.
844
845Example matches reinterpret_cast&lt;char*&gt;(&amp;p) in
846 void* p = reinterpret_cast&lt;char*&gt;(&amp;p);
847</pre></td></tr>
848
849
Aaron Ballman672dde22016-01-22 23:15:00 +0000850<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxStaticCastExpr0')"><a name="cxxStaticCastExpr0Anchor">cxxStaticCastExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXStaticCastExpr.html">CXXStaticCastExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000851<tr><td colspan="4" class="doc" id="cxxStaticCastExpr0"><pre>Matches a C++ static_cast expression.
852
Aaron Ballmanc35724c2016-01-21 15:18:25 +0000853See also: hasDestinationType
854See also: reinterpretCast
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000855
856Example:
857 cxxStaticCastExpr()
858matches
859 static_cast&lt;long&gt;(8)
860in
861 long eight(static_cast&lt;long&gt;(8));
862</pre></td></tr>
863
864
Aaron Ballman672dde22016-01-22 23:15:00 +0000865<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxTemporaryObjectExpr0')"><a name="cxxTemporaryObjectExpr0Anchor">cxxTemporaryObjectExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXTemporaryObjectExpr.html">CXXTemporaryObjectExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000866<tr><td colspan="4" class="doc" id="cxxTemporaryObjectExpr0"><pre>Matches functional cast expressions having N != 1 arguments
867
868Example: Matches Foo(bar, bar)
869 Foo h = Foo(bar, bar);
870</pre></td></tr>
871
872
Aaron Ballman672dde22016-01-22 23:15:00 +0000873<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxThisExpr0')"><a name="cxxThisExpr0Anchor">cxxThisExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXThisExpr.html">CXXThisExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000874<tr><td colspan="4" class="doc" id="cxxThisExpr0"><pre>Matches implicit and explicit this expressions.
875
876Example matches the implicit this expression in "return i".
877 (matcher = cxxThisExpr())
878struct foo {
879 int i;
880 int f() { return i; }
881};
882</pre></td></tr>
883
884
Aaron Ballman672dde22016-01-22 23:15:00 +0000885<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxThrowExpr0')"><a name="cxxThrowExpr0Anchor">cxxThrowExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXThrowExpr.html">CXXThrowExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000886<tr><td colspan="4" class="doc" id="cxxThrowExpr0"><pre>Matches throw expressions.
887
888 try { throw 5; } catch(int i) {}
889cxxThrowExpr()
890 matches 'throw 5'
891</pre></td></tr>
892
893
Aaron Ballman672dde22016-01-22 23:15:00 +0000894<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxTryStmt0')"><a name="cxxTryStmt0Anchor">cxxTryStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXTryStmt.html">CXXTryStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000895<tr><td colspan="4" class="doc" id="cxxTryStmt0"><pre>Matches try statements.
896
897 try {} catch(int i) {}
898cxxTryStmt()
899 matches 'try {}'
900</pre></td></tr>
901
902
Aaron Ballman672dde22016-01-22 23:15:00 +0000903<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('cxxUnresolvedConstructExpr0')"><a name="cxxUnresolvedConstructExpr0Anchor">cxxUnresolvedConstructExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXUnresolvedConstructExpr.html">CXXUnresolvedConstructExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000904<tr><td colspan="4" class="doc" id="cxxUnresolvedConstructExpr0"><pre>Matches unresolved constructor call expressions.
905
906Example matches T(t) in return statement of f
907 (matcher = cxxUnresolvedConstructExpr())
908 template &lt;typename T&gt;
909 void f(const T&amp; t) { return T(t); }
910</pre></td></tr>
911
912
Aaron Ballman672dde22016-01-22 23:15:00 +0000913<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('declRefExpr0')"><a name="declRefExpr0Anchor">declRefExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000914<tr><td colspan="4" class="doc" id="declRefExpr0"><pre>Matches expressions that refer to declarations.
915
916Example matches x in if (x)
917 bool x;
918 if (x) {}
919</pre></td></tr>
920
921
Aaron Ballman672dde22016-01-22 23:15:00 +0000922<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('declStmt0')"><a name="declStmt0Anchor">declStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclStmt.html">DeclStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000923<tr><td colspan="4" class="doc" id="declStmt0"><pre>Matches declaration statements.
924
925Given
926 int a;
927declStmt()
928 matches 'int a'.
929</pre></td></tr>
930
931
Aaron Ballman672dde22016-01-22 23:15:00 +0000932<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('defaultStmt0')"><a name="defaultStmt0Anchor">defaultStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DefaultStmt.html">DefaultStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000933<tr><td colspan="4" class="doc" id="defaultStmt0"><pre>Matches default statements inside switch statements.
934
935Given
936 switch(a) { case 42: break; default: break; }
937defaultStmt()
938 matches 'default: break;'.
939</pre></td></tr>
940
941
Aaron Ballmana35b8fc2016-03-09 17:11:51 +0000942<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('designatedInitExpr0')"><a name="designatedInitExpr0Anchor">designatedInitExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DesignatedInitExpr.html">DesignatedInitExpr</a>&gt;...</td></tr>
943<tr><td colspan="4" class="doc" id="designatedInitExpr0"><pre>Matches C99 designated initializer expressions [C99 6.7.8].
944
945Example: Matches { [2].y = 1.0, [0].x = 1.0 }
946 point ptarray[10] = { [2].y = 1.0, [0].x = 1.0 };
947</pre></td></tr>
948
949
Aaron Ballman672dde22016-01-22 23:15:00 +0000950<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('doStmt0')"><a name="doStmt0Anchor">doStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DoStmt.html">DoStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000951<tr><td colspan="4" class="doc" id="doStmt0"><pre>Matches do statements.
952
953Given
954 do {} while (true);
955doStmt()
956 matches 'do {} while(true)'
957</pre></td></tr>
958
959
Aaron Ballman672dde22016-01-22 23:15:00 +0000960<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('explicitCastExpr0')"><a name="explicitCastExpr0Anchor">explicitCastExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ExplicitCastExpr.html">ExplicitCastExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000961<tr><td colspan="4" class="doc" id="explicitCastExpr0"><pre>Matches explicit cast expressions.
962
963Matches any cast expression written in user code, whether it be a
964C-style cast, a functional-style cast, or a keyword cast.
965
966Does not match implicit conversions.
967
968Note: the name "explicitCast" is chosen to match Clang's terminology, as
969Clang uses the term "cast" to apply to implicit conversions as well as to
970actual cast expressions.
971
Aaron Ballmanc35724c2016-01-21 15:18:25 +0000972See also: hasDestinationType.
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000973
974Example: matches all five of the casts in
975 int((int)(reinterpret_cast&lt;int&gt;(static_cast&lt;int&gt;(const_cast&lt;int&gt;(42)))))
976but does not match the implicit conversion in
977 long ell = 42;
978</pre></td></tr>
979
980
Aaron Ballman672dde22016-01-22 23:15:00 +0000981<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('expr0')"><a name="expr0Anchor">expr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000982<tr><td colspan="4" class="doc" id="expr0"><pre>Matches expressions.
983
984Example matches x()
985 void f() { x(); }
986</pre></td></tr>
987
988
Aaron Ballman672dde22016-01-22 23:15:00 +0000989<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('exprWithCleanups0')"><a name="exprWithCleanups0Anchor">exprWithCleanups</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ExprWithCleanups.html">ExprWithCleanups</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000990<tr><td colspan="4" class="doc" id="exprWithCleanups0"><pre>Matches expressions that introduce cleanups to be run at the end
991of the sub-expression's evaluation.
992
993Example matches std::string()
994 const std::string str = std::string();
995</pre></td></tr>
996
997
Aaron Ballman672dde22016-01-22 23:15:00 +0000998<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('floatLiteral0')"><a name="floatLiteral0Anchor">floatLiteral</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +0000999<tr><td colspan="4" class="doc" id="floatLiteral0"><pre>Matches float literals of all sizes encodings, e.g.
10001.0, 1.0f, 1.0L and 1e10.
1001
1002Does not match implicit conversions such as
1003 float a = 10;
1004</pre></td></tr>
1005
1006
Aaron Ballman672dde22016-01-22 23:15:00 +00001007<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('forStmt0')"><a name="forStmt0Anchor">forStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ForStmt.html">ForStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001008<tr><td colspan="4" class="doc" id="forStmt0"><pre>Matches for statements.
1009
1010Example matches 'for (;;) {}'
1011 for (;;) {}
1012 int i[] = {1, 2, 3}; for (auto a : i);
1013</pre></td></tr>
1014
1015
Aaron Ballman672dde22016-01-22 23:15:00 +00001016<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('gnuNullExpr0')"><a name="gnuNullExpr0Anchor">gnuNullExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1GNUNullExpr.html">GNUNullExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001017<tr><td colspan="4" class="doc" id="gnuNullExpr0"><pre>Matches GNU __null expression.
1018</pre></td></tr>
1019
1020
Aaron Ballman672dde22016-01-22 23:15:00 +00001021<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('gotoStmt0')"><a name="gotoStmt0Anchor">gotoStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1GotoStmt.html">GotoStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001022<tr><td colspan="4" class="doc" id="gotoStmt0"><pre>Matches goto statements.
1023
1024Given
1025 goto FOO;
1026 FOO: bar();
1027gotoStmt()
1028 matches 'goto FOO'
1029</pre></td></tr>
1030
1031
Aaron Ballman672dde22016-01-22 23:15:00 +00001032<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('ifStmt0')"><a name="ifStmt0Anchor">ifStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1IfStmt.html">IfStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001033<tr><td colspan="4" class="doc" id="ifStmt0"><pre>Matches if statements.
1034
1035Example matches 'if (x) {}'
1036 if (x) {}
1037</pre></td></tr>
1038
1039
Aaron Ballman672dde22016-01-22 23:15:00 +00001040<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('implicitCastExpr0')"><a name="implicitCastExpr0Anchor">implicitCastExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ImplicitCastExpr.html">ImplicitCastExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001041<tr><td colspan="4" class="doc" id="implicitCastExpr0"><pre>Matches the implicit cast nodes of Clang's AST.
1042
1043This matches many different places, including function call return value
1044eliding, as well as any type conversions.
1045</pre></td></tr>
1046
1047
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00001048<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('implicitValueInitExpr0')"><a name="implicitValueInitExpr0Anchor">implicitValueInitExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ImplicitValueInitExpr.html">ImplicitValueInitExpr</a>&gt;...</td></tr>
1049<tr><td colspan="4" class="doc" id="implicitValueInitExpr0"><pre>Matches implicit initializers of init list expressions.
1050
1051Given
1052 point ptarray[10] = { [2].y = 1.0, [2].x = 2.0, [0].x = 1.0 };
1053implicitValueInitExpr()
1054 matches "[0].y" (implicitly)
1055</pre></td></tr>
1056
1057
Aaron Ballman672dde22016-01-22 23:15:00 +00001058<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('initListExpr0')"><a name="initListExpr0Anchor">initListExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InitListExpr.html">InitListExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001059<tr><td colspan="4" class="doc" id="initListExpr0"><pre>Matches init list expressions.
1060
1061Given
1062 int a[] = { 1, 2 };
1063 struct B { int x, y; };
1064 B b = { 5, 6 };
1065initListExpr()
1066 matches "{ 1, 2 }" and "{ 5, 6 }"
1067</pre></td></tr>
1068
1069
Aaron Ballman672dde22016-01-22 23:15:00 +00001070<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('integerLiteral0')"><a name="integerLiteral0Anchor">integerLiteral</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001071<tr><td colspan="4" class="doc" id="integerLiteral0"><pre>Matches integer literals of all sizes encodings, e.g.
10721, 1L, 0x1 and 1U.
1073
1074Does not match character-encoded integers such as L'a'.
1075</pre></td></tr>
1076
1077
Aaron Ballman672dde22016-01-22 23:15:00 +00001078<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('labelStmt0')"><a name="labelStmt0Anchor">labelStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001079<tr><td colspan="4" class="doc" id="labelStmt0"><pre>Matches label statements.
1080
1081Given
1082 goto FOO;
1083 FOO: bar();
1084labelStmt()
1085 matches 'FOO:'
1086</pre></td></tr>
1087
1088
Aaron Ballman672dde22016-01-22 23:15:00 +00001089<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('lambdaExpr0')"><a name="lambdaExpr0Anchor">lambdaExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LambdaExpr.html">LambdaExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001090<tr><td colspan="4" class="doc" id="lambdaExpr0"><pre>Matches lambda expressions.
1091
1092Example matches [&amp;](){return 5;}
1093 [&amp;](){return 5;}
1094</pre></td></tr>
1095
1096
Aaron Ballman672dde22016-01-22 23:15:00 +00001097<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('materializeTemporaryExpr0')"><a name="materializeTemporaryExpr0Anchor">materializeTemporaryExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MaterializeTemporaryExpr.html">MaterializeTemporaryExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001098<tr><td colspan="4" class="doc" id="materializeTemporaryExpr0"><pre>Matches nodes where temporaries are materialized.
1099
1100Example: Given
1101 struct T {void func()};
1102 T f();
1103 void g(T);
1104materializeTemporaryExpr() matches 'f()' in these statements
1105 T u(f());
1106 g(f());
1107but does not match
1108 f();
1109 f().func();
1110</pre></td></tr>
1111
1112
Aaron Ballman672dde22016-01-22 23:15:00 +00001113<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('memberExpr0')"><a name="memberExpr0Anchor">memberExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001114<tr><td colspan="4" class="doc" id="memberExpr0"><pre>Matches member expressions.
1115
1116Given
1117 class Y {
1118 void x() { this-&gt;x(); x(); Y y; y.x(); a; this-&gt;b; Y::b; }
1119 int a; static int b;
1120 };
1121memberExpr()
1122 matches this-&gt;x, x, y.x, a, this-&gt;b
1123</pre></td></tr>
1124
1125
Aaron Ballman672dde22016-01-22 23:15:00 +00001126<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('nullStmt0')"><a name="nullStmt0Anchor">nullStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NullStmt.html">NullStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001127<tr><td colspan="4" class="doc" id="nullStmt0"><pre>Matches null statements.
1128
1129 foo();;
1130nullStmt()
1131 matches the second ';'
1132</pre></td></tr>
1133
1134
Aaron Ballman672dde22016-01-22 23:15:00 +00001135<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('objcMessageExpr0')"><a name="objcMessageExpr0Anchor">objcMessageExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001136<tr><td colspan="4" class="doc" id="objcMessageExpr0"><pre>Matches ObjectiveC Message invocation expressions.
1137
1138The innermost message send invokes the "alloc" class method on the
1139NSString class, while the outermost message send invokes the
1140"initWithString" instance method on the object returned from
1141NSString's "alloc". This matcher should match both message sends.
1142 [[NSString alloc] initWithString:@"Hello"]
1143</pre></td></tr>
1144
Aaron Ballmanc35724c2016-01-21 15:18:25 +00001145
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00001146<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('opaqueValueExpr0')"><a name="opaqueValueExpr0Anchor">opaqueValueExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1OpaqueValueExpr.html">OpaqueValueExpr</a>&gt;...</td></tr>
1147<tr><td colspan="4" class="doc" id="opaqueValueExpr0"><pre>Matches opaque value expressions. They are used as helpers
1148to reference another expressions and can be met
1149in BinaryConditionalOperators, for example.
1150
1151Example matches 'a'
1152 (a ?: c) + 42;
1153</pre></td></tr>
1154
1155
Aaron Ballman672dde22016-01-22 23:15:00 +00001156<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('parenExpr0')"><a name="parenExpr0Anchor">parenExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ParenExpr.html">ParenExpr</a>&gt;...</td></tr>
Aaron Ballmane8295d72016-01-20 16:17:39 +00001157<tr><td colspan="4" class="doc" id="parenExpr0"><pre>Matches parentheses used in expressions.
1158
Aaron Ballmanc35724c2016-01-21 15:18:25 +00001159Example matches (foo() + 1)
Aaron Ballmane8295d72016-01-20 16:17:39 +00001160 int foo() { return 1; }
1161 int a = (foo() + 1);
Aaron Ballmane8295d72016-01-20 16:17:39 +00001162</pre></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001163
Aaron Ballmanc35724c2016-01-21 15:18:25 +00001164
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00001165<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('parenListExpr0')"><a name="parenListExpr0Anchor">parenListExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ParenListExpr.html">ParenListExpr</a>&gt;...</td></tr>
1166<tr><td colspan="4" class="doc" id="parenListExpr0"><pre>Matches paren list expressions.
1167ParenListExprs don't have a predefined type and are used for late parsing.
1168In the final AST, they can be met in template declarations.
1169
1170Given
1171 template&lt;typename T&gt; class X {
1172 void f() {
1173 X x(*this);
1174 int a = 0, b = 1; int i = (a, b);
1175 }
1176 };
1177parenListExpr() matches "*this" but NOT matches (a, b) because (a, b)
1178has a predefined type and is a ParenExpr, not a ParenListExpr.
1179</pre></td></tr>
1180
1181
1182<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('predefinedExpr0')"><a name="predefinedExpr0Anchor">predefinedExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1PredefinedExpr.html">PredefinedExpr</a>&gt;...</td></tr>
1183<tr><td colspan="4" class="doc" id="predefinedExpr0"><pre>Matches predefined identifier expressions [C99 6.4.2.2].
1184
1185Example: Matches __func__
1186 printf("%s", __func__);
1187</pre></td></tr>
1188
1189
Aaron Ballman672dde22016-01-22 23:15:00 +00001190<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('returnStmt0')"><a name="returnStmt0Anchor">returnStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ReturnStmt.html">ReturnStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001191<tr><td colspan="4" class="doc" id="returnStmt0"><pre>Matches return statements.
1192
1193Given
1194 return 1;
1195returnStmt()
1196 matches 'return 1'
1197</pre></td></tr>
1198
1199
Aaron Ballman672dde22016-01-22 23:15:00 +00001200<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('stmt0')"><a name="stmt0Anchor">stmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001201<tr><td colspan="4" class="doc" id="stmt0"><pre>Matches statements.
1202
1203Given
1204 { ++a; }
1205stmt()
1206 matches both the compound statement '{ ++a; }' and '++a'.
1207</pre></td></tr>
1208
1209
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00001210<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('stmtExpr0')"><a name="stmtExpr0Anchor">stmtExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1StmtExpr.html">StmtExpr</a>&gt;...</td></tr>
1211<tr><td colspan="4" class="doc" id="stmtExpr0"><pre>Matches statement expression (GNU extension).
1212
1213Example match: ({ int X = 4; X; })
1214 int C = ({ int X = 4; X; });
1215</pre></td></tr>
1216
1217
Aaron Ballman672dde22016-01-22 23:15:00 +00001218<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('stringLiteral0')"><a name="stringLiteral0Anchor">stringLiteral</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1StringLiteral.html">StringLiteral</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001219<tr><td colspan="4" class="doc" id="stringLiteral0"><pre>Matches string literals (also matches wide string literals).
1220
1221Example matches "abcd", L"abcd"
Etienne Bergeron3588be72016-05-12 04:20:04 +00001222 char *s = "abcd";
1223 wchar_t *ws = L"abcd";
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001224</pre></td></tr>
1225
1226
Aaron Ballman672dde22016-01-22 23:15:00 +00001227<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('substNonTypeTemplateParmExpr0')"><a name="substNonTypeTemplateParmExpr0Anchor">substNonTypeTemplateParmExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1SubstNonTypeTemplateParmExpr.html">SubstNonTypeTemplateParmExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001228<tr><td colspan="4" class="doc" id="substNonTypeTemplateParmExpr0"><pre>Matches substitutions of non-type template parameters.
1229
1230Given
1231 template &lt;int N&gt;
1232 struct A { static const int n = N; };
1233 struct B : public A&lt;42&gt; {};
1234substNonTypeTemplateParmExpr()
1235 matches "N" in the right-hand side of "static const int n = N;"
1236</pre></td></tr>
1237
1238
Aaron Ballman672dde22016-01-22 23:15:00 +00001239<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('switchCase0')"><a name="switchCase0Anchor">switchCase</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1SwitchCase.html">SwitchCase</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001240<tr><td colspan="4" class="doc" id="switchCase0"><pre>Matches case and default statements inside switch statements.
1241
1242Given
1243 switch(a) { case 42: break; default: break; }
1244switchCase()
1245 matches 'case 42: break;' and 'default: break;'.
1246</pre></td></tr>
1247
1248
Aaron Ballman672dde22016-01-22 23:15:00 +00001249<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('switchStmt0')"><a name="switchStmt0Anchor">switchStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1SwitchStmt.html">SwitchStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001250<tr><td colspan="4" class="doc" id="switchStmt0"><pre>Matches switch statements.
1251
1252Given
1253 switch(a) { case 42: break; default: break; }
1254switchStmt()
1255 matches 'switch(a)'.
1256</pre></td></tr>
1257
1258
Aaron Ballman672dde22016-01-22 23:15:00 +00001259<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('unaryExprOrTypeTraitExpr0')"><a name="unaryExprOrTypeTraitExpr0Anchor">unaryExprOrTypeTraitExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryExprOrTypeTraitExpr.html">UnaryExprOrTypeTraitExpr</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001260<tr><td colspan="4" class="doc" id="unaryExprOrTypeTraitExpr0"><pre>Matches sizeof (C99), alignof (C++11) and vec_step (OpenCL)
1261
1262Given
1263 Foo x = bar;
1264 int y = sizeof(x) + alignof(x);
1265unaryExprOrTypeTraitExpr()
1266 matches sizeof(x) and alignof(x)
1267</pre></td></tr>
1268
1269
Aaron Ballman672dde22016-01-22 23:15:00 +00001270<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('unaryOperator0')"><a name="unaryOperator0Anchor">unaryOperator</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryOperator.html">UnaryOperator</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001271<tr><td colspan="4" class="doc" id="unaryOperator0"><pre>Matches unary operator expressions.
1272
1273Example matches !a
1274 !a || b
1275</pre></td></tr>
1276
1277
Haojian Wu7751c922016-05-18 12:53:59 +00001278<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('unresolvedLookupExpr0')"><a name="unresolvedLookupExpr0Anchor">unresolvedLookupExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedLookupExpr.html">UnresolvedLookupExpr</a>&gt;...</td></tr>
1279<tr><td colspan="4" class="doc" id="unresolvedLookupExpr0"><pre>Matches reference to a name that can be looked up during parsing
1280but could not be resolved to a specific declaration.
1281
1282Given
1283 template&lt;typename T&gt;
1284 T foo() { T a; return a; }
1285 template&lt;typename T&gt;
1286 void bar() {
1287 foo&lt;T&gt;();
1288 }
1289unresolvedLookupExpr()
1290 matches foo&lt;T&gt;() </pre></td></tr>
1291
1292
Aaron Ballman672dde22016-01-22 23:15:00 +00001293<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('userDefinedLiteral0')"><a name="userDefinedLiteral0Anchor">userDefinedLiteral</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UserDefinedLiteral.html">UserDefinedLiteral</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001294<tr><td colspan="4" class="doc" id="userDefinedLiteral0"><pre>Matches user defined literal operator call.
1295
1296Example match: "foo"_suffix
1297</pre></td></tr>
1298
1299
Aaron Ballman672dde22016-01-22 23:15:00 +00001300<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('whileStmt0')"><a name="whileStmt0Anchor">whileStmt</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1WhileStmt.html">WhileStmt</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001301<tr><td colspan="4" class="doc" id="whileStmt0"><pre>Matches while statements.
1302
1303Given
1304 while (true) {}
1305whileStmt()
1306 matches 'while (true) {}'.
1307</pre></td></tr>
1308
1309
Aaron Ballman672dde22016-01-22 23:15:00 +00001310<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>&gt;</td><td class="name" onclick="toggle('templateArgument0')"><a name="templateArgument0Anchor">templateArgument</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001311<tr><td colspan="4" class="doc" id="templateArgument0"><pre>Matches template arguments.
1312
1313Given
1314 template &lt;typename T&gt; struct C {};
1315 C&lt;int&gt; c;
1316templateArgument()
1317 matches 'int' in C&lt;int&gt;.
1318</pre></td></tr>
1319
1320
Aaron Ballman672dde22016-01-22 23:15:00 +00001321<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;</td><td class="name" onclick="toggle('typeLoc0')"><a name="typeLoc0Anchor">typeLoc</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001322<tr><td colspan="4" class="doc" id="typeLoc0"><pre>Matches TypeLocs in the clang AST.
1323</pre></td></tr>
1324
1325
Aaron Ballman672dde22016-01-22 23:15:00 +00001326<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('arrayType0')"><a name="arrayType0Anchor">arrayType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ArrayType.html">ArrayType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001327<tr><td colspan="4" class="doc" id="arrayType0"><pre>Matches all kinds of arrays.
1328
1329Given
1330 int a[] = { 2, 3 };
1331 int b[4];
1332 void f() { int c[a[0]]; }
1333arrayType()
1334 matches "int a[]", "int b[4]" and "int c[a[0]]";
1335</pre></td></tr>
1336
1337
Aaron Ballman672dde22016-01-22 23:15:00 +00001338<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('atomicType0')"><a name="atomicType0Anchor">atomicType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AtomicType.html">AtomicType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001339<tr><td colspan="4" class="doc" id="atomicType0"><pre>Matches atomic types.
1340
1341Given
1342 _Atomic(int) i;
1343atomicType()
1344 matches "_Atomic(int) i"
1345</pre></td></tr>
1346
1347
Aaron Ballman672dde22016-01-22 23:15:00 +00001348<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('autoType0')"><a name="autoType0Anchor">autoType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AutoType.html">AutoType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001349<tr><td colspan="4" class="doc" id="autoType0"><pre>Matches types nodes representing C++11 auto types.
1350
1351Given:
1352 auto n = 4;
1353 int v[] = { 2, 3 }
1354 for (auto i : v) { }
1355autoType()
1356 matches "auto n" and "auto i"
1357</pre></td></tr>
1358
1359
Aaron Ballman672dde22016-01-22 23:15:00 +00001360<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('blockPointerType0')"><a name="blockPointerType0Anchor">blockPointerType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001361<tr><td colspan="4" class="doc" id="blockPointerType0"><pre>Matches block pointer types, i.e. types syntactically represented as
1362"void (^)(int)".
1363
1364The pointee is always required to be a FunctionType.
1365</pre></td></tr>
1366
1367
Aaron Ballman672dde22016-01-22 23:15:00 +00001368<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('builtinType0')"><a name="builtinType0Anchor">builtinType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BuiltinType.html">BuiltinType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001369<tr><td colspan="4" class="doc" id="builtinType0"><pre>Matches builtin Types.
1370
1371Given
1372 struct A {};
1373 A a;
1374 int b;
1375 float c;
1376 bool d;
1377builtinType()
1378 matches "int b", "float c" and "bool d"
1379</pre></td></tr>
1380
1381
Aaron Ballman672dde22016-01-22 23:15:00 +00001382<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('complexType0')"><a name="complexType0Anchor">complexType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ComplexType.html">ComplexType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001383<tr><td colspan="4" class="doc" id="complexType0"><pre>Matches C99 complex types.
1384
1385Given
1386 _Complex float f;
1387complexType()
1388 matches "_Complex float f"
1389</pre></td></tr>
1390
1391
Aaron Ballman672dde22016-01-22 23:15:00 +00001392<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('constantArrayType0')"><a name="constantArrayType0Anchor">constantArrayType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ConstantArrayType.html">ConstantArrayType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001393<tr><td colspan="4" class="doc" id="constantArrayType0"><pre>Matches C arrays with a specified constant size.
1394
1395Given
1396 void() {
1397 int a[2];
1398 int b[] = { 2, 3 };
1399 int c[b[0]];
1400 }
1401constantArrayType()
1402 matches "int a[2]"
1403</pre></td></tr>
1404
1405
Aaron Ballman672dde22016-01-22 23:15:00 +00001406<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('decayedType0')"><a name="decayedType0Anchor">decayedType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DecayedType.html">DecayedType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001407<tr><td colspan="4" class="doc" id="decayedType0"><pre>Matches decayed type
1408Example matches i[] in declaration of f.
1409 (matcher = valueDecl(hasType(decayedType(hasDecayedType(pointerType())))))
1410Example matches i[1].
1411 (matcher = expr(hasType(decayedType(hasDecayedType(pointerType())))))
1412 void f(int i[]) {
1413 i[1] = 0;
1414 }
1415</pre></td></tr>
1416
1417
Aaron Ballman672dde22016-01-22 23:15:00 +00001418<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('dependentSizedArrayType0')"><a name="dependentSizedArrayType0Anchor">dependentSizedArrayType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DependentSizedArrayType.html">DependentSizedArrayType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001419<tr><td colspan="4" class="doc" id="dependentSizedArrayType0"><pre>Matches C++ arrays whose size is a value-dependent expression.
1420
1421Given
1422 template&lt;typename T, int Size&gt;
1423 class array {
1424 T data[Size];
1425 };
1426dependentSizedArrayType
1427 matches "T data[Size]"
1428</pre></td></tr>
1429
1430
Aaron Ballman672dde22016-01-22 23:15:00 +00001431<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('elaboratedType0')"><a name="elaboratedType0Anchor">elaboratedType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ElaboratedType.html">ElaboratedType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001432<tr><td colspan="4" class="doc" id="elaboratedType0"><pre>Matches types specified with an elaborated type keyword or with a
1433qualified name.
1434
1435Given
1436 namespace N {
1437 namespace M {
1438 class D {};
1439 }
1440 }
1441 class C {};
1442
1443 class C c;
1444 N::M::D d;
1445
1446elaboratedType() matches the type of the variable declarations of both
1447c and d.
1448</pre></td></tr>
1449
1450
Haojian Wue775de82016-06-30 07:50:01 +00001451<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('enumType0')"><a name="enumType0Anchor">enumType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;...</td></tr>
1452<tr><td colspan="4" class="doc" id="enumType0"><pre>Matches enum types.
1453
1454Given
1455 enum C { Green };
Aaron Ballman5c574342016-07-06 18:25:16 +00001456 enum class S { Red };
Haojian Wue775de82016-06-30 07:50:01 +00001457
1458 C c;
1459 S s;
1460
1461enumType() matches the type of the variable declarations of both c and
1462s.
1463</pre></td></tr>
1464
1465
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00001466<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('functionProtoType0')"><a name="functionProtoType0Anchor">functionProtoType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionProtoType.html">FunctionProtoType</a>&gt;...</td></tr>
1467<tr><td colspan="4" class="doc" id="functionProtoType0"><pre>Matches FunctionProtoType nodes.
1468
1469Given
1470 int (*f)(int);
1471 void g();
1472functionProtoType()
1473 matches "int (*f)(int)" and the type of "g" in C++ mode.
1474 In C mode, "g" is not matched because it does not contain a prototype.
1475</pre></td></tr>
1476
1477
Aaron Ballman672dde22016-01-22 23:15:00 +00001478<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('functionType0')"><a name="functionType0Anchor">functionType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionType.html">FunctionType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001479<tr><td colspan="4" class="doc" id="functionType0"><pre>Matches FunctionType nodes.
1480
1481Given
1482 int (*f)(int);
1483 void g();
1484functionType()
1485 matches "int (*f)(int)" and the type of "g".
1486</pre></td></tr>
1487
1488
Aaron Ballman672dde22016-01-22 23:15:00 +00001489<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('incompleteArrayType0')"><a name="incompleteArrayType0Anchor">incompleteArrayType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1IncompleteArrayType.html">IncompleteArrayType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001490<tr><td colspan="4" class="doc" id="incompleteArrayType0"><pre>Matches C arrays with unspecified size.
1491
1492Given
1493 int a[] = { 2, 3 };
1494 int b[42];
1495 void f(int c[]) { int d[a[0]]; };
1496incompleteArrayType()
1497 matches "int a[]" and "int c[]"
1498</pre></td></tr>
1499
1500
Aaron Ballman672dde22016-01-22 23:15:00 +00001501<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('injectedClassNameType0')"><a name="injectedClassNameType0Anchor">injectedClassNameType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001502<tr><td colspan="4" class="doc" id="injectedClassNameType0"><pre>Matches injected class name types.
1503
1504Example matches S s, but not S&lt;T&gt; s.
1505 (matcher = parmVarDecl(hasType(injectedClassNameType())))
1506 template &lt;typename T&gt; struct S {
1507 void f(S s);
1508 void g(S&lt;T&gt; s);
1509 };
1510</pre></td></tr>
1511
1512
Aaron Ballman672dde22016-01-22 23:15:00 +00001513<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('lValueReferenceType0')"><a name="lValueReferenceType0Anchor">lValueReferenceType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LValueReferenceType.html">LValueReferenceType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001514<tr><td colspan="4" class="doc" id="lValueReferenceType0"><pre>Matches lvalue reference types.
1515
1516Given:
1517 int *a;
1518 int &amp;b = *a;
1519 int &amp;&amp;c = 1;
1520 auto &amp;d = b;
1521 auto &amp;&amp;e = c;
1522 auto &amp;&amp;f = 2;
1523 int g = 5;
1524
1525lValueReferenceType() matches the types of b, d, and e. e is
1526matched since the type is deduced as int&amp; by reference collapsing rules.
1527</pre></td></tr>
1528
1529
Aaron Ballman672dde22016-01-22 23:15:00 +00001530<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('memberPointerType0')"><a name="memberPointerType0Anchor">memberPointerType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001531<tr><td colspan="4" class="doc" id="memberPointerType0"><pre>Matches member pointer types.
1532Given
1533 struct A { int i; }
1534 A::* ptr = A::i;
1535memberPointerType()
1536 matches "A::* ptr"
1537</pre></td></tr>
1538
1539
Aaron Ballman672dde22016-01-22 23:15:00 +00001540<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('objcObjectPointerType0')"><a name="objcObjectPointerType0Anchor">objcObjectPointerType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ObjCObjectPointerType.html">ObjCObjectPointerType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001541<tr><td colspan="4" class="doc" id="objcObjectPointerType0"><pre>Matches an Objective-C object pointer type, which is different from
1542a pointer type, despite being syntactically similar.
1543
1544Given
1545 int *a;
1546
1547 @interface Foo
1548 @end
1549 Foo *f;
1550pointerType()
1551 matches "Foo *f", but does not match "int *a".
1552</pre></td></tr>
1553
1554
Aaron Ballman672dde22016-01-22 23:15:00 +00001555<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('parenType0')"><a name="parenType0Anchor">parenType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ParenType.html">ParenType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001556<tr><td colspan="4" class="doc" id="parenType0"><pre>Matches ParenType nodes.
1557
1558Given
1559 int (*ptr_to_array)[4];
1560 int *array_of_ptrs[4];
1561
1562varDecl(hasType(pointsTo(parenType()))) matches ptr_to_array but not
1563array_of_ptrs.
1564</pre></td></tr>
1565
1566
Aaron Ballman672dde22016-01-22 23:15:00 +00001567<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('pointerType0')"><a name="pointerType0Anchor">pointerType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001568<tr><td colspan="4" class="doc" id="pointerType0"><pre>Matches pointer types, but does not match Objective-C object pointer
1569types.
1570
1571Given
1572 int *a;
1573 int &amp;b = *a;
1574 int c = 5;
1575
1576 @interface Foo
1577 @end
1578 Foo *f;
1579pointerType()
1580 matches "int *a", but does not match "Foo *f".
1581</pre></td></tr>
1582
1583
Aaron Ballman672dde22016-01-22 23:15:00 +00001584<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('rValueReferenceType0')"><a name="rValueReferenceType0Anchor">rValueReferenceType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RValueReferenceType.html">RValueReferenceType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001585<tr><td colspan="4" class="doc" id="rValueReferenceType0"><pre>Matches rvalue reference types.
1586
1587Given:
1588 int *a;
1589 int &amp;b = *a;
1590 int &amp;&amp;c = 1;
1591 auto &amp;d = b;
1592 auto &amp;&amp;e = c;
1593 auto &amp;&amp;f = 2;
1594 int g = 5;
1595
1596rValueReferenceType() matches the types of c and f. e is not
1597matched as it is deduced to int&amp; by reference collapsing rules.
1598</pre></td></tr>
1599
1600
Aaron Ballman672dde22016-01-22 23:15:00 +00001601<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('recordType0')"><a name="recordType0Anchor">recordType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001602<tr><td colspan="4" class="doc" id="recordType0"><pre>Matches record types (e.g. structs, classes).
1603
1604Given
1605 class C {};
1606 struct S {};
1607
1608 C c;
1609 S s;
1610
1611recordType() matches the type of the variable declarations of both c
1612and s.
1613</pre></td></tr>
1614
1615
Aaron Ballman672dde22016-01-22 23:15:00 +00001616<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('referenceType0')"><a name="referenceType0Anchor">referenceType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001617<tr><td colspan="4" class="doc" id="referenceType0"><pre>Matches both lvalue and rvalue reference types.
1618
1619Given
1620 int *a;
1621 int &amp;b = *a;
1622 int &amp;&amp;c = 1;
1623 auto &amp;d = b;
1624 auto &amp;&amp;e = c;
1625 auto &amp;&amp;f = 2;
1626 int g = 5;
1627
1628referenceType() matches the types of b, c, d, e, and f.
1629</pre></td></tr>
1630
1631
Aaron Ballman672dde22016-01-22 23:15:00 +00001632<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('substTemplateTypeParmType0')"><a name="substTemplateTypeParmType0Anchor">substTemplateTypeParmType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1SubstTemplateTypeParmType.html">SubstTemplateTypeParmType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001633<tr><td colspan="4" class="doc" id="substTemplateTypeParmType0"><pre>Matches types that represent the result of substituting a type for a
1634template type parameter.
1635
1636Given
1637 template &lt;typename T&gt;
1638 void F(T t) {
1639 int i = 1 + t;
1640 }
1641
1642substTemplateTypeParmType() matches the type of 't' but not '1'
1643</pre></td></tr>
1644
1645
Aaron Ballman672dde22016-01-22 23:15:00 +00001646<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('templateSpecializationType0')"><a name="templateSpecializationType0Anchor">templateSpecializationType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001647<tr><td colspan="4" class="doc" id="templateSpecializationType0"><pre>Matches template specialization types.
1648
1649Given
1650 template &lt;typename T&gt;
1651 class C { };
1652
1653 template class C&lt;int&gt;; A
1654 C&lt;char&gt; var; B
1655
1656templateSpecializationType() matches the type of the explicit
1657instantiation in A and the type of the variable declaration in B.
1658</pre></td></tr>
1659
1660
Aaron Ballman672dde22016-01-22 23:15:00 +00001661<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('templateTypeParmType0')"><a name="templateTypeParmType0Anchor">templateTypeParmType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001662<tr><td colspan="4" class="doc" id="templateTypeParmType0"><pre>Matches template type parameter types.
1663
1664Example matches T, but not int.
1665 (matcher = templateTypeParmType())
1666 template &lt;typename T&gt; void f(int i);
1667</pre></td></tr>
1668
1669
Aaron Ballman672dde22016-01-22 23:15:00 +00001670<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('type0')"><a name="type0Anchor">type</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001671<tr><td colspan="4" class="doc" id="type0"><pre>Matches Types in the clang AST.
1672</pre></td></tr>
1673
1674
Aaron Ballman672dde22016-01-22 23:15:00 +00001675<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('typedefType0')"><a name="typedefType0Anchor">typedefType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001676<tr><td colspan="4" class="doc" id="typedefType0"><pre>Matches typedef types.
1677
1678Given
1679 typedef int X;
1680typedefType()
1681 matches "typedef int X"
1682</pre></td></tr>
1683
1684
Aaron Ballman672dde22016-01-22 23:15:00 +00001685<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('unaryTransformType0')"><a name="unaryTransformType0Anchor">unaryTransformType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryTransformType.html">UnaryTransformType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001686<tr><td colspan="4" class="doc" id="unaryTransformType0"><pre>Matches types nodes representing unary type transformations.
1687
1688Given:
1689 typedef __underlying_type(T) type;
1690unaryTransformType()
1691 matches "__underlying_type(T)"
1692</pre></td></tr>
1693
1694
Aaron Ballman672dde22016-01-22 23:15:00 +00001695<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('variableArrayType0')"><a name="variableArrayType0Anchor">variableArrayType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VariableArrayType.html">VariableArrayType</a>&gt;...</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001696<tr><td colspan="4" class="doc" id="variableArrayType0"><pre>Matches C arrays with a specified size that is not an
1697integer-constant-expression.
1698
1699Given
1700 void f() {
1701 int a[] = { 2, 3 }
1702 int b[42];
1703 int c[a[0]];
1704 }
1705variableArrayType()
1706 matches "int c[a[0]]"
1707</pre></td></tr>
1708
Benjamin Kramer7d0cc232015-11-20 07:57:46 +00001709<!--END_DECL_MATCHERS -->
1710</table>
1711
1712<!-- ======================================================================= -->
1713<h2 id="narrowing-matchers">Narrowing Matchers</h2>
1714<!-- ======================================================================= -->
1715
1716<p>Narrowing matchers match certain attributes on the current node, thus
1717narrowing down the set of nodes of the current type to match on.</p>
1718
1719<p>There are special logical narrowing matchers (allOf, anyOf, anything and unless)
1720which allow users to create more powerful match expressions.</p>
1721
1722<table>
1723<tr style="text-align:left"><th>Return type</th><th>Name</th><th>Parameters</th></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001724<!-- START_NARROWING_MATCHERS -->
1725
1726<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('allOf0')"><a name="allOf0Anchor">allOf</a></td><td>Matcher&lt;*&gt;, ..., Matcher&lt;*&gt;</td></tr>
1727<tr><td colspan="4" class="doc" id="allOf0"><pre>Matches if all given matchers match.
1728
1729Usable as: Any Matcher
1730</pre></td></tr>
1731
1732
1733<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('anyOf0')"><a name="anyOf0Anchor">anyOf</a></td><td>Matcher&lt;*&gt;, ..., Matcher&lt;*&gt;</td></tr>
1734<tr><td colspan="4" class="doc" id="anyOf0"><pre>Matches if any of the given matchers matches.
1735
1736Usable as: Any Matcher
1737</pre></td></tr>
1738
1739
1740<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('anything0')"><a name="anything0Anchor">anything</a></td><td></td></tr>
1741<tr><td colspan="4" class="doc" id="anything0"><pre>Matches any node.
1742
1743Useful when another matcher requires a child matcher, but there's no
1744additional constraint. This will often be used with an explicit conversion
1745to an internal::Matcher&lt;&gt; type such as TypeMatcher.
1746
1747Example: DeclarationMatcher(anything()) matches all declarations, e.g.,
1748"int* p" and "void f()" in
1749 int* p;
1750 void f();
1751
1752Usable as: Any Matcher
1753</pre></td></tr>
1754
1755
1756<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('unless0')"><a name="unless0Anchor">unless</a></td><td>Matcher&lt;*&gt;</td></tr>
1757<tr><td colspan="4" class="doc" id="unless0"><pre>Matches if the provided matcher does not match.
1758
1759Example matches Y (matcher = cxxRecordDecl(unless(hasName("X"))))
1760 class X {};
1761 class Y {};
1762
1763Usable as: Any Matcher
1764</pre></td></tr>
1765
1766
Aaron Ballman672dde22016-01-22 23:15:00 +00001767<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BinaryOperator.html">BinaryOperator</a>&gt;</td><td class="name" onclick="toggle('hasOperatorName0')"><a name="hasOperatorName0Anchor">hasOperatorName</a></td><td>std::string Name</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001768<tr><td colspan="4" class="doc" id="hasOperatorName0"><pre>Matches the operator Name of operator expressions (binary or
1769unary).
1770
1771Example matches a || b (matcher = binaryOperator(hasOperatorName("||")))
1772 !(a || b)
1773</pre></td></tr>
1774
1775
1776<tr><td>Matcher&lt;CXXBoolLiteral&gt;</td><td class="name" onclick="toggle('equals2')"><a name="equals2Anchor">equals</a></td><td>ValueT Value</td></tr>
1777<tr><td colspan="4" class="doc" id="equals2"><pre>Matches literals that are equal to the given value.
1778
1779Example matches true (matcher = cxxBoolLiteral(equals(true)))
1780 true
1781
Aaron Ballman672dde22016-01-22 23:15:00 +00001782Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>&gt;, Matcher&lt;CXXBoolLiteral&gt;,
1783 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001784</pre></td></tr>
1785
1786
Aaron Ballman672dde22016-01-22 23:15:00 +00001787<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCatchStmt.html">CXXCatchStmt</a>&gt;</td><td class="name" onclick="toggle('isCatchAll0')"><a name="isCatchAll0Anchor">isCatchAll</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001788<tr><td colspan="4" class="doc" id="isCatchAll0"><pre>Matches a C++ catch statement that has a catch-all handler.
1789
1790Given
1791 try {
1792 ...
1793 } catch (int) {
1794 ...
1795 } catch (...) {
1796 ...
1797 }
1798endcode
1799cxxCatchStmt(isCatchAll()) matches catch(...) but not catch(int).
1800</pre></td></tr>
1801
1802
Aaron Ballman672dde22016-01-22 23:15:00 +00001803<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;</td><td class="name" onclick="toggle('argumentCountIs1')"><a name="argumentCountIs1Anchor">argumentCountIs</a></td><td>unsigned N</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001804<tr><td colspan="4" class="doc" id="argumentCountIs1"><pre>Checks that a call expression or a constructor call expression has
1805a specific number of arguments (including absent default arguments).
1806
1807Example matches f(0, 0) (matcher = callExpr(argumentCountIs(2)))
1808 void f(int x, int y);
1809 f(0, 0);
1810</pre></td></tr>
1811
1812
Aaron Ballman672dde22016-01-22 23:15:00 +00001813<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;</td><td class="name" onclick="toggle('isListInitialization0')"><a name="isListInitialization0Anchor">isListInitialization</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001814<tr><td colspan="4" class="doc" id="isListInitialization0"><pre>Matches a constructor call expression which uses list initialization.
1815</pre></td></tr>
1816
1817
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00001818<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;</td><td class="name" onclick="toggle('requiresZeroInitialization0')"><a name="requiresZeroInitialization0Anchor">requiresZeroInitialization</a></td><td></td></tr>
1819<tr><td colspan="4" class="doc" id="requiresZeroInitialization0"><pre>Matches a constructor call expression which requires
1820zero initialization.
1821
1822Given
1823void foo() {
1824 struct point { double x; double y; };
1825 point pt[2] = { { 1.0, 2.0 } };
1826}
1827initListExpr(has(cxxConstructExpr(requiresZeroInitialization()))
1828will match the implicit array filler for pt[1].
1829</pre></td></tr>
1830
1831
Aaron Ballman672dde22016-01-22 23:15:00 +00001832<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>&gt;</td><td class="name" onclick="toggle('isCopyConstructor0')"><a name="isCopyConstructor0Anchor">isCopyConstructor</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001833<tr><td colspan="4" class="doc" id="isCopyConstructor0"><pre>Matches constructor declarations that are copy constructors.
1834
1835Given
1836 struct S {
1837 S(); #1
1838 S(const S &amp;); #2
1839 S(S &amp;&amp;); #3
1840 };
1841cxxConstructorDecl(isCopyConstructor()) will match #2, but not #1 or #3.
1842</pre></td></tr>
1843
1844
Aaron Ballman672dde22016-01-22 23:15:00 +00001845<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>&gt;</td><td class="name" onclick="toggle('isDefaultConstructor0')"><a name="isDefaultConstructor0Anchor">isDefaultConstructor</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001846<tr><td colspan="4" class="doc" id="isDefaultConstructor0"><pre>Matches constructor declarations that are default constructors.
1847
1848Given
1849 struct S {
1850 S(); #1
1851 S(const S &amp;); #2
1852 S(S &amp;&amp;); #3
1853 };
1854cxxConstructorDecl(isDefaultConstructor()) will match #1, but not #2 or #3.
1855</pre></td></tr>
1856
1857
Alexander Kornienko7d20a5a2016-04-13 11:13:08 +00001858<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>&gt;</td><td class="name" onclick="toggle('isDelegatingConstructor0')"><a name="isDelegatingConstructor0Anchor">isDelegatingConstructor</a></td><td></td></tr>
1859<tr><td colspan="4" class="doc" id="isDelegatingConstructor0"><pre>Matches constructors that delegate to another constructor.
1860
1861Given
1862 struct S {
1863 S(); #1
1864 S(int) {} #2
1865 S(S &amp;&amp;) : S() {} #3
1866 };
1867 S::S() : S(0) {} #4
1868cxxConstructorDecl(isDelegatingConstructor()) will match #3 and #4, but not
1869#1 or #2.
1870</pre></td></tr>
1871
1872
Aaron Ballman672dde22016-01-22 23:15:00 +00001873<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>&gt;</td><td class="name" onclick="toggle('isExplicit0')"><a name="isExplicit0Anchor">isExplicit</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001874<tr><td colspan="4" class="doc" id="isExplicit0"><pre>Matches constructor and conversion declarations that are marked with
1875the explicit keyword.
1876
1877Given
1878 struct S {
1879 S(int); #1
1880 explicit S(double); #2
1881 operator int(); #3
1882 explicit operator bool(); #4
1883 };
1884cxxConstructorDecl(isExplicit()) will match #2, but not #1.
1885cxxConversionDecl(isExplicit()) will match #4, but not #3.
1886</pre></td></tr>
1887
1888
Aaron Ballman672dde22016-01-22 23:15:00 +00001889<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>&gt;</td><td class="name" onclick="toggle('isMoveConstructor0')"><a name="isMoveConstructor0Anchor">isMoveConstructor</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001890<tr><td colspan="4" class="doc" id="isMoveConstructor0"><pre>Matches constructor declarations that are move constructors.
1891
1892Given
1893 struct S {
1894 S(); #1
1895 S(const S &amp;); #2
1896 S(S &amp;&amp;); #3
1897 };
1898cxxConstructorDecl(isMoveConstructor()) will match #3, but not #1 or #2.
1899</pre></td></tr>
1900
1901
Aaron Ballman672dde22016-01-22 23:15:00 +00001902<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConversionDecl.html">CXXConversionDecl</a>&gt;</td><td class="name" onclick="toggle('isExplicit1')"><a name="isExplicit1Anchor">isExplicit</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001903<tr><td colspan="4" class="doc" id="isExplicit1"><pre>Matches constructor and conversion declarations that are marked with
1904the explicit keyword.
1905
1906Given
1907 struct S {
1908 S(int); #1
1909 explicit S(double); #2
1910 operator int(); #3
1911 explicit operator bool(); #4
1912 };
1913cxxConstructorDecl(isExplicit()) will match #2, but not #1.
1914cxxConversionDecl(isExplicit()) will match #4, but not #3.
1915</pre></td></tr>
1916
1917
Aaron Ballman672dde22016-01-22 23:15:00 +00001918<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>&gt;</td><td class="name" onclick="toggle('isBaseInitializer0')"><a name="isBaseInitializer0Anchor">isBaseInitializer</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001919<tr><td colspan="4" class="doc" id="isBaseInitializer0"><pre>Matches a constructor initializer if it is initializing a base, as
1920opposed to a member.
1921
1922Given
1923 struct B {};
1924 struct D : B {
1925 int I;
1926 D(int i) : I(i) {}
1927 };
1928 struct E : B {
1929 E() : B() {}
1930 };
1931cxxConstructorDecl(hasAnyConstructorInitializer(isBaseInitializer()))
1932 will match E(), but not match D(int).
1933</pre></td></tr>
1934
1935
Aaron Ballman672dde22016-01-22 23:15:00 +00001936<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>&gt;</td><td class="name" onclick="toggle('isMemberInitializer0')"><a name="isMemberInitializer0Anchor">isMemberInitializer</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001937<tr><td colspan="4" class="doc" id="isMemberInitializer0"><pre>Matches a constructor initializer if it is initializing a member, as
1938opposed to a base.
1939
1940Given
1941 struct B {};
1942 struct D : B {
1943 int I;
1944 D(int i) : I(i) {}
1945 };
1946 struct E : B {
1947 E() : B() {}
1948 };
1949cxxConstructorDecl(hasAnyConstructorInitializer(isMemberInitializer()))
1950 will match D(int), but not match E().
1951</pre></td></tr>
1952
1953
Aaron Ballman672dde22016-01-22 23:15:00 +00001954<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>&gt;</td><td class="name" onclick="toggle('isWritten0')"><a name="isWritten0Anchor">isWritten</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001955<tr><td colspan="4" class="doc" id="isWritten0"><pre>Matches a constructor initializer if it is explicitly written in
1956code (as opposed to implicitly added by the compiler).
1957
1958Given
1959 struct Foo {
1960 Foo() { }
1961 Foo(int) : foo_("A") { }
1962 string foo_;
1963 };
1964cxxConstructorDecl(hasAnyConstructorInitializer(isWritten()))
1965 will match Foo(int), but not Foo()
1966</pre></td></tr>
1967
1968
Aaron Ballman672dde22016-01-22 23:15:00 +00001969<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>&gt;</td><td class="name" onclick="toggle('isConst0')"><a name="isConst0Anchor">isConst</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001970<tr><td colspan="4" class="doc" id="isConst0"><pre>Matches if the given method declaration is const.
1971
1972Given
1973struct A {
1974 void foo() const;
1975 void bar();
1976};
1977
1978cxxMethodDecl(isConst()) matches A::foo() but not A::bar()
1979</pre></td></tr>
1980
1981
Aaron Ballman672dde22016-01-22 23:15:00 +00001982<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>&gt;</td><td class="name" onclick="toggle('isCopyAssignmentOperator0')"><a name="isCopyAssignmentOperator0Anchor">isCopyAssignmentOperator</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001983<tr><td colspan="4" class="doc" id="isCopyAssignmentOperator0"><pre>Matches if the given method declaration declares a copy assignment
1984operator.
1985
1986Given
1987struct A {
1988 A &amp;operator=(const A &amp;);
1989 A &amp;operator=(A &amp;&amp;);
1990};
1991
1992cxxMethodDecl(isCopyAssignmentOperator()) matches the first method but not
1993the second one.
1994</pre></td></tr>
1995
1996
Aaron Ballman672dde22016-01-22 23:15:00 +00001997<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>&gt;</td><td class="name" onclick="toggle('isFinal1')"><a name="isFinal1Anchor">isFinal</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00001998<tr><td colspan="4" class="doc" id="isFinal1"><pre>Matches if the given method or class declaration is final.
1999
2000Given:
2001 class A final {};
2002
2003 struct B {
2004 virtual void f();
2005 };
2006
2007 struct C : B {
2008 void f() final;
2009 };
2010matches A and C::f, but not B, C, or B::f
2011</pre></td></tr>
2012
2013
Aaron Ballman672dde22016-01-22 23:15:00 +00002014<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>&gt;</td><td class="name" onclick="toggle('isMoveAssignmentOperator0')"><a name="isMoveAssignmentOperator0Anchor">isMoveAssignmentOperator</a></td><td></td></tr>
Aaron Ballman31bde872016-01-22 22:37:09 +00002015<tr><td colspan="4" class="doc" id="isMoveAssignmentOperator0"><pre>Matches if the given method declaration declares a move assignment
2016operator.
2017
2018Given
Aaron Ballmana6811512016-01-23 17:49:18 +00002019struct A {
2020 A &amp;operator=(const A &amp;);
2021 A &amp;operator=(A &amp;&amp;);
2022};
2023
2024cxxMethodDecl(isMoveAssignmentOperator()) matches the second method but not
2025the first one.
Aaron Ballman31bde872016-01-22 22:37:09 +00002026</pre></td></tr>
2027
2028
Aaron Ballman672dde22016-01-22 23:15:00 +00002029<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>&gt;</td><td class="name" onclick="toggle('isOverride0')"><a name="isOverride0Anchor">isOverride</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002030<tr><td colspan="4" class="doc" id="isOverride0"><pre>Matches if the given method declaration overrides another method.
2031
2032Given
2033 class A {
2034 public:
2035 virtual void x();
2036 };
2037 class B : public A {
2038 public:
2039 virtual void x();
2040 };
2041 matches B::x
2042</pre></td></tr>
2043
2044
Aaron Ballman672dde22016-01-22 23:15:00 +00002045<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>&gt;</td><td class="name" onclick="toggle('isPure0')"><a name="isPure0Anchor">isPure</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002046<tr><td colspan="4" class="doc" id="isPure0"><pre>Matches if the given method declaration is pure.
2047
2048Given
2049 class A {
2050 public:
2051 virtual void x() = 0;
2052 };
2053 matches A::x
2054</pre></td></tr>
2055
2056
Alexander Kornienko7d20a5a2016-04-13 11:13:08 +00002057<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>&gt;</td><td class="name" onclick="toggle('isUserProvided0')"><a name="isUserProvided0Anchor">isUserProvided</a></td><td></td></tr>
2058<tr><td colspan="4" class="doc" id="isUserProvided0"><pre>Matches method declarations that are user-provided.
2059
2060Given
2061 struct S {
2062 S(); #1
2063 S(const S &amp;) = default; #2
2064 S(S &amp;&amp;) = delete; #3
2065 };
2066cxxConstructorDecl(isUserProvided()) will match #1, but not #2 or #3.
2067</pre></td></tr>
2068
2069
Aaron Ballman672dde22016-01-22 23:15:00 +00002070<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>&gt;</td><td class="name" onclick="toggle('isVirtual0')"><a name="isVirtual0Anchor">isVirtual</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002071<tr><td colspan="4" class="doc" id="isVirtual0"><pre>Matches if the given method declaration is virtual.
2072
2073Given
2074 class A {
2075 public:
2076 virtual void x();
2077 };
2078 matches A::x
2079</pre></td></tr>
2080
Aaron Ballman672dde22016-01-22 23:15:00 +00002081
2082<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>&gt;</td><td class="name" onclick="toggle('isVirtualAsWritten0')"><a name="isVirtualAsWritten0Anchor">isVirtualAsWritten</a></td><td></td></tr>
Nico Webera415a1d2016-01-21 17:56:24 +00002083<tr><td colspan="4" class="doc" id="isVirtualAsWritten0"><pre>Matches if the given method declaration has an explicit "virtual".
2084
2085Given
2086 class A {
2087 public:
2088 virtual void x();
2089 };
2090 class B : public A {
2091 public:
2092 void x();
2093 };
2094 matches A::x but not B::x
2095</pre></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002096
Aaron Ballman672dde22016-01-22 23:15:00 +00002097
2098<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXOperatorCallExpr.html">CXXOperatorCallExpr</a>&gt;</td><td class="name" onclick="toggle('hasOverloadedOperatorName1')"><a name="hasOverloadedOperatorName1Anchor">hasOverloadedOperatorName</a></td><td>StringRef Name</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002099<tr><td colspan="4" class="doc" id="hasOverloadedOperatorName1"><pre>Matches overloaded operator names.
2100
2101Matches overloaded operator names specified in strings without the
2102"operator" prefix: e.g. "&lt;&lt;".
2103
2104Given:
2105 class A { int operator*(); };
2106 const A &amp;operator&lt;&lt;(const A &amp;a, const A &amp;b);
2107 A a;
2108 a &lt;&lt; a; &lt;-- This matches
2109
2110cxxOperatorCallExpr(hasOverloadedOperatorName("&lt;&lt;"))) matches the
2111specified line and
2112cxxRecordDecl(hasMethod(hasOverloadedOperatorName("*")))
2113matches the declaration of A.
2114
Aaron Ballman672dde22016-01-22 23:15:00 +00002115Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXOperatorCallExpr.html">CXXOperatorCallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002116</pre></td></tr>
2117
2118
Aaron Ballman672dde22016-01-22 23:15:00 +00002119<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt;</td><td class="name" onclick="toggle('isDerivedFrom1')"><a name="isDerivedFrom1Anchor">isDerivedFrom</a></td><td>std::string BaseName</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002120<tr><td colspan="4" class="doc" id="isDerivedFrom1"><pre>Overloaded method as shortcut for isDerivedFrom(hasName(...)).
2121</pre></td></tr>
2122
2123
Aaron Ballman672dde22016-01-22 23:15:00 +00002124<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt;</td><td class="name" onclick="toggle('isExplicitTemplateSpecialization2')"><a name="isExplicitTemplateSpecialization2Anchor">isExplicitTemplateSpecialization</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002125<tr><td colspan="4" class="doc" id="isExplicitTemplateSpecialization2"><pre>Matches explicit template specializations of function, class, or
2126static member variable template instantiations.
2127
2128Given
2129 template&lt;typename T&gt; void A(T t) { }
2130 template&lt;&gt; void A(int N) { }
2131functionDecl(isExplicitTemplateSpecialization())
2132 matches the specialization A&lt;int&gt;().
2133
Aaron Ballman672dde22016-01-22 23:15:00 +00002134Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002135</pre></td></tr>
2136
2137
Aaron Ballman672dde22016-01-22 23:15:00 +00002138<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt;</td><td class="name" onclick="toggle('isFinal0')"><a name="isFinal0Anchor">isFinal</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002139<tr><td colspan="4" class="doc" id="isFinal0"><pre>Matches if the given method or class declaration is final.
2140
2141Given:
2142 class A final {};
2143
2144 struct B {
2145 virtual void f();
2146 };
2147
2148 struct C : B {
2149 void f() final;
2150 };
2151matches A and C::f, but not B, C, or B::f
2152</pre></td></tr>
2153
2154
Samuel Benzaquen49385c72016-06-28 14:08:56 +00002155<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt;</td><td class="name" onclick="toggle('isLambda0')"><a name="isLambda0Anchor">isLambda</a></td><td></td></tr>
2156<tr><td colspan="4" class="doc" id="isLambda0"><pre>Matches the generated class of lambda expressions.
2157
2158Given:
2159 auto x = []{};
2160
2161cxxRecordDecl(isLambda()) matches the implicit class declaration of
2162decltype(x)
2163</pre></td></tr>
2164
2165
Aaron Ballman672dde22016-01-22 23:15:00 +00002166<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt;</td><td class="name" onclick="toggle('isSameOrDerivedFrom1')"><a name="isSameOrDerivedFrom1Anchor">isSameOrDerivedFrom</a></td><td>std::string BaseName</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002167<tr><td colspan="4" class="doc" id="isSameOrDerivedFrom1"><pre>Overloaded method as shortcut for
2168isSameOrDerivedFrom(hasName(...)).
2169</pre></td></tr>
2170
2171
Aaron Ballman672dde22016-01-22 23:15:00 +00002172<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt;</td><td class="name" onclick="toggle('isTemplateInstantiation2')"><a name="isTemplateInstantiation2Anchor">isTemplateInstantiation</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002173<tr><td colspan="4" class="doc" id="isTemplateInstantiation2"><pre>Matches template instantiations of function, class, or static
2174member variable template instantiations.
2175
2176Given
2177 template &lt;typename T&gt; class X {}; class A {}; X&lt;A&gt; x;
2178or
2179 template &lt;typename T&gt; class X {}; class A {}; template class X&lt;A&gt;;
2180cxxRecordDecl(hasName("::X"), isTemplateInstantiation())
2181 matches the template instantiation of X&lt;A&gt;.
2182
2183But given
2184 template &lt;typename T&gt; class X {}; class A {};
2185 template &lt;&gt; class X&lt;A&gt; {}; X&lt;A&gt; x;
2186cxxRecordDecl(hasName("::X"), isTemplateInstantiation())
2187 does not match, as X&lt;A&gt; is an explicit template specialization.
2188
Aaron Ballman672dde22016-01-22 23:15:00 +00002189Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002190</pre></td></tr>
2191
2192
Aaron Ballman672dde22016-01-22 23:15:00 +00002193<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;</td><td class="name" onclick="toggle('argumentCountIs0')"><a name="argumentCountIs0Anchor">argumentCountIs</a></td><td>unsigned N</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002194<tr><td colspan="4" class="doc" id="argumentCountIs0"><pre>Checks that a call expression or a constructor call expression has
2195a specific number of arguments (including absent default arguments).
2196
2197Example matches f(0, 0) (matcher = callExpr(argumentCountIs(2)))
2198 void f(int x, int y);
2199 f(0, 0);
2200</pre></td></tr>
2201
2202
Etienne Bergeron75e52722016-05-13 19:36:55 +00002203<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CastExpr.html">CastExpr</a>&gt;</td><td class="name" onclick="toggle('hasCastKind0')"><a name="hasCastKind0Anchor">hasCastKind</a></td><td>CastKind Kind</td></tr>
2204<tr><td colspan="4" class="doc" id="hasCastKind0"><pre>Matches casts that has a given cast kind.
2205
2206Example: matches the implicit cast around 0
2207(matcher = castExpr(hasCastKind(CK_NullToPointer)))
2208 int *p = 0;
2209</pre></td></tr>
2210
2211
Aaron Ballman672dde22016-01-22 23:15:00 +00002212<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>&gt;</td><td class="name" onclick="toggle('equals3')"><a name="equals3Anchor">equals</a></td><td>ValueT Value</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002213<tr><td colspan="4" class="doc" id="equals3"><pre>Matches literals that are equal to the given value.
2214
2215Example matches true (matcher = cxxBoolLiteral(equals(true)))
2216 true
2217
Aaron Ballman672dde22016-01-22 23:15:00 +00002218Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>&gt;, Matcher&lt;CXXBoolLiteral&gt;,
2219 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002220</pre></td></tr>
2221
2222
Aaron Ballman672dde22016-01-22 23:15:00 +00002223<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ClassTemplateSpecializationDecl.html">ClassTemplateSpecializationDecl</a>&gt;</td><td class="name" onclick="toggle('templateArgumentCountIs0')"><a name="templateArgumentCountIs0Anchor">templateArgumentCountIs</a></td><td>unsigned N</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002224<tr><td colspan="4" class="doc" id="templateArgumentCountIs0"><pre>Matches if the number of template arguments equals N.
2225
2226Given
2227 template&lt;typename T&gt; struct C {};
2228 C&lt;int&gt; c;
2229classTemplateSpecializationDecl(templateArgumentCountIs(1))
2230 matches C&lt;int&gt;.
2231</pre></td></tr>
2232
2233
Aaron Ballman672dde22016-01-22 23:15:00 +00002234<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CompoundStmt.html">CompoundStmt</a>&gt;</td><td class="name" onclick="toggle('statementCountIs0')"><a name="statementCountIs0Anchor">statementCountIs</a></td><td>unsigned N</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002235<tr><td colspan="4" class="doc" id="statementCountIs0"><pre>Checks that a compound statement contains a specific number of
2236child statements.
2237
2238Example: Given
2239 { for (;;) {} }
2240compoundStmt(statementCountIs(0)))
2241 matches '{}'
2242 but does not match the outer compound statement.
2243</pre></td></tr>
2244
2245
Aaron Ballman672dde22016-01-22 23:15:00 +00002246<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ConstantArrayType.html">ConstantArrayType</a>&gt;</td><td class="name" onclick="toggle('hasSize0')"><a name="hasSize0Anchor">hasSize</a></td><td>unsigned N</td></tr>
Etienne Bergeron3588be72016-05-12 04:20:04 +00002247<tr><td colspan="4" class="doc" id="hasSize0"><pre>Matches nodes that have the specified size.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002248
2249Given
2250 int a[42];
2251 int b[2 * 21];
2252 int c[41], d[43];
Etienne Bergeron3588be72016-05-12 04:20:04 +00002253 char *s = "abcd";
2254 wchar_t *ws = L"abcd";
2255 char *w = "a";
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002256constantArrayType(hasSize(42))
2257 matches "int a[42]" and "int b[2 * 21]"
Etienne Bergeron3588be72016-05-12 04:20:04 +00002258stringLiteral(hasSize(4))
2259 matches "abcd", L"abcd"
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002260</pre></td></tr>
2261
2262
Aaron Ballman672dde22016-01-22 23:15:00 +00002263<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclStmt.html">DeclStmt</a>&gt;</td><td class="name" onclick="toggle('declCountIs0')"><a name="declCountIs0Anchor">declCountIs</a></td><td>unsigned N</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002264<tr><td colspan="4" class="doc" id="declCountIs0"><pre>Matches declaration statements that contain a specific number of
2265declarations.
2266
2267Example: Given
2268 int a, b;
2269 int c;
2270 int d = 2, e;
2271declCountIs(2)
2272 matches 'int a, b;' and 'int d = 2, e;', but not 'int c;'.
2273</pre></td></tr>
2274
2275
Aaron Ballman672dde22016-01-22 23:15:00 +00002276<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('equalsBoundNode1')"><a name="equalsBoundNode1Anchor">equalsBoundNode</a></td><td>std::string ID</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002277<tr><td colspan="4" class="doc" id="equalsBoundNode1"><pre>Matches if a node equals a previously bound node.
2278
2279Matches a node if it equals the node previously bound to ID.
2280
2281Given
2282 class X { int a; int b; };
2283cxxRecordDecl(
2284 has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
2285 has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))
2286 matches the class X, as a and b have the same type.
2287
2288Note that when multiple matches are involved via forEach* matchers,
2289equalsBoundNodes acts as a filter.
2290For example:
2291compoundStmt(
2292 forEachDescendant(varDecl().bind("d")),
2293 forEachDescendant(declRefExpr(to(decl(equalsBoundNode("d"))))))
2294will trigger a match for each combination of variable declaration
2295and reference to that variable declaration within a compound statement.
2296</pre></td></tr>
2297
2298
Samuel Benzaquena4076ea2016-05-04 20:45:00 +00002299<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('equalsNode0')"><a name="equalsNode0Anchor">equalsNode</a></td><td>const Decl* Other</td></tr>
2300<tr><td colspan="4" class="doc" id="equalsNode0"><pre>Matches if a node equals another node.
2301
2302Decl has pointer identity in the AST.
2303</pre></td></tr>
2304
2305
Aaron Ballman672dde22016-01-22 23:15:00 +00002306<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('hasAttr0')"><a name="hasAttr0Anchor">hasAttr</a></td><td>attr::Kind AttrKind</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002307<tr><td colspan="4" class="doc" id="hasAttr0"><pre>Matches declaration that has a given attribute.
2308
2309Given
2310 __attribute__((device)) void f() { ... }
2311decl(hasAttr(clang::attr::CUDADevice)) matches the function declaration of
2312f. If the matcher is use from clang-query, attr::Kind parameter should be
2313passed as a quoted string. e.g., hasAttr("attr::CUDADevice").
2314</pre></td></tr>
2315
2316
Aaron Ballman672dde22016-01-22 23:15:00 +00002317<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('isExpansionInFileMatching0')"><a name="isExpansionInFileMatching0Anchor">isExpansionInFileMatching</a></td><td>std::string RegExp</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002318<tr><td colspan="4" class="doc" id="isExpansionInFileMatching0"><pre>Matches AST nodes that were expanded within files whose name is
2319partially matching a given regex.
2320
2321Example matches Y but not X
2322 (matcher = cxxRecordDecl(isExpansionInFileMatching("AST.*"))
2323 #include "ASTMatcher.h"
2324 class X {};
2325ASTMatcher.h:
2326 class Y {};
2327
Aaron Ballman672dde22016-01-22 23:15:00 +00002328Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002329</pre></td></tr>
2330
2331
Aaron Ballman672dde22016-01-22 23:15:00 +00002332<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('isExpansionInMainFile0')"><a name="isExpansionInMainFile0Anchor">isExpansionInMainFile</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002333<tr><td colspan="4" class="doc" id="isExpansionInMainFile0"><pre>Matches AST nodes that were expanded within the main-file.
2334
2335Example matches X but not Y
2336 (matcher = cxxRecordDecl(isExpansionInMainFile())
2337 #include &lt;Y.h&gt;
2338 class X {};
2339Y.h:
2340 class Y {};
2341
Aaron Ballman672dde22016-01-22 23:15:00 +00002342Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002343</pre></td></tr>
2344
2345
Aaron Ballman672dde22016-01-22 23:15:00 +00002346<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('isExpansionInSystemHeader0')"><a name="isExpansionInSystemHeader0Anchor">isExpansionInSystemHeader</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002347<tr><td colspan="4" class="doc" id="isExpansionInSystemHeader0"><pre>Matches AST nodes that were expanded within system-header-files.
2348
2349Example matches Y but not X
2350 (matcher = cxxRecordDecl(isExpansionInSystemHeader())
2351 #include &lt;SystemHeader.h&gt;
2352 class X {};
2353SystemHeader.h:
2354 class Y {};
2355
Aaron Ballman672dde22016-01-22 23:15:00 +00002356Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002357</pre></td></tr>
2358
2359
Aaron Ballman672dde22016-01-22 23:15:00 +00002360<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('isImplicit0')"><a name="isImplicit0Anchor">isImplicit</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002361<tr><td colspan="4" class="doc" id="isImplicit0"><pre>Matches a declaration that has been implicitly added
2362by the compiler (eg. implicit defaultcopy constructors).
2363</pre></td></tr>
2364
2365
Aaron Ballman672dde22016-01-22 23:15:00 +00002366<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('isPrivate0')"><a name="isPrivate0Anchor">isPrivate</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002367<tr><td colspan="4" class="doc" id="isPrivate0"><pre>Matches private C++ declarations.
2368
2369Given
2370 class C {
2371 public: int a;
2372 protected: int b;
2373 private: int c;
2374 };
2375fieldDecl(isPrivate())
Cong Liu8a02efb2016-06-24 09:38:03 +00002376 matches 'int c;'
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002377</pre></td></tr>
2378
2379
Aaron Ballman672dde22016-01-22 23:15:00 +00002380<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('isProtected0')"><a name="isProtected0Anchor">isProtected</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002381<tr><td colspan="4" class="doc" id="isProtected0"><pre>Matches protected C++ declarations.
2382
2383Given
2384 class C {
2385 public: int a;
2386 protected: int b;
2387 private: int c;
2388 };
2389fieldDecl(isProtected())
Cong Liu8a02efb2016-06-24 09:38:03 +00002390 matches 'int b;'
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002391</pre></td></tr>
2392
2393
Aaron Ballman672dde22016-01-22 23:15:00 +00002394<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('isPublic0')"><a name="isPublic0Anchor">isPublic</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002395<tr><td colspan="4" class="doc" id="isPublic0"><pre>Matches public C++ declarations.
2396
2397Given
2398 class C {
2399 public: int a;
2400 protected: int b;
2401 private: int c;
2402 };
2403fieldDecl(isPublic())
Cong Liu8a02efb2016-06-24 09:38:03 +00002404 matches 'int a;'
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002405</pre></td></tr>
2406
2407
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00002408<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DesignatedInitExpr.html">DesignatedInitExpr</a>&gt;</td><td class="name" onclick="toggle('designatorCountIs0')"><a name="designatorCountIs0Anchor">designatorCountIs</a></td><td>unsigned N</td></tr>
2409<tr><td colspan="4" class="doc" id="designatorCountIs0"><pre>Matches designated initializer expressions that contain
2410a specific number of designators.
2411
2412Example: Given
2413 point ptarray[10] = { [2].y = 1.0, [0].x = 1.0 };
2414 point ptarray2[10] = { [2].y = 1.0, [2].x = 0.0, [0].x = 1.0 };
2415designatorCountIs(2)
2416 matches '{ [2].y = 1.0, [0].x = 1.0 }',
2417 but not '{ [2].y = 1.0, [2].x = 0.0, [0].x = 1.0 }'.
2418</pre></td></tr>
2419
2420
Aaron Ballman5c574342016-07-06 18:25:16 +00002421<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FieldDecl.html">FieldDecl</a>&gt;</td><td class="name" onclick="toggle('hasBitWidth0')"><a name="hasBitWidth0Anchor">hasBitWidth</a></td><td>unsigned Width</td></tr>
2422<tr><td colspan="4" class="doc" id="hasBitWidth0"><pre>Matches non-static data members that are bit-fields.
2423
2424Given
2425 class C {
2426 int a : 2;
2427 int b : 4;
2428 int c : 2;
2429 };
2430fieldDecl(isBitField())
2431 matches 'int a;' and 'int c;' but not 'int b;'.
2432</pre></td></tr>
2433
2434
2435<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FieldDecl.html">FieldDecl</a>&gt;</td><td class="name" onclick="toggle('isBitField0')"><a name="isBitField0Anchor">isBitField</a></td><td></td></tr>
2436<tr><td colspan="4" class="doc" id="isBitField0"><pre>Matches non-static data members that are bit-fields.
2437
2438Given
2439 class C {
2440 int a : 2;
2441 int b;
2442 };
2443fieldDecl(isBitField())
2444 matches 'int a;' but not 'int b;'.
2445</pre></td></tr>
2446
2447
Aaron Ballman672dde22016-01-22 23:15:00 +00002448<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>&gt;</td><td class="name" onclick="toggle('equals1')"><a name="equals1Anchor">equals</a></td><td>ValueT Value</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002449<tr><td colspan="4" class="doc" id="equals1"><pre>Matches literals that are equal to the given value.
2450
2451Example matches true (matcher = cxxBoolLiteral(equals(true)))
2452 true
2453
Aaron Ballman672dde22016-01-22 23:15:00 +00002454Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>&gt;, Matcher&lt;CXXBoolLiteral&gt;,
2455 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002456</pre></td></tr>
2457
2458
Aaron Ballmanabdbbbc2016-05-16 16:49:01 +00002459<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('hasDynamicExceptionSpec0')"><a name="hasDynamicExceptionSpec0Anchor">hasDynamicExceptionSpec</a></td><td></td></tr>
2460<tr><td colspan="4" class="doc" id="hasDynamicExceptionSpec0"><pre>Matches functions that have a dynamic exception specification.
2461
2462Given:
2463 void f();
2464 void g() noexcept;
2465 void h() noexcept(true);
2466 void i() noexcept(false);
2467 void j() throw();
2468 void k() throw(int);
2469 void l() throw(...);
Aaron Ballman230ad972016-06-07 17:34:45 +00002470functionDecl(hasDynamicExceptionSpec()) and
2471 functionProtoType(hasDynamicExceptionSpec())
2472 match the declarations of j, k, and l, but not f, g, h, or i.
Aaron Ballmanabdbbbc2016-05-16 16:49:01 +00002473</pre></td></tr>
2474
2475
Aaron Ballman672dde22016-01-22 23:15:00 +00002476<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('hasOverloadedOperatorName0')"><a name="hasOverloadedOperatorName0Anchor">hasOverloadedOperatorName</a></td><td>StringRef Name</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002477<tr><td colspan="4" class="doc" id="hasOverloadedOperatorName0"><pre>Matches overloaded operator names.
2478
2479Matches overloaded operator names specified in strings without the
2480"operator" prefix: e.g. "&lt;&lt;".
2481
2482Given:
2483 class A { int operator*(); };
2484 const A &amp;operator&lt;&lt;(const A &amp;a, const A &amp;b);
2485 A a;
2486 a &lt;&lt; a; &lt;-- This matches
2487
2488cxxOperatorCallExpr(hasOverloadedOperatorName("&lt;&lt;"))) matches the
2489specified line and
2490cxxRecordDecl(hasMethod(hasOverloadedOperatorName("*")))
2491matches the declaration of A.
2492
Aaron Ballman672dde22016-01-22 23:15:00 +00002493Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXOperatorCallExpr.html">CXXOperatorCallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002494</pre></td></tr>
2495
2496
Aaron Ballman672dde22016-01-22 23:15:00 +00002497<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('isConstexpr1')"><a name="isConstexpr1Anchor">isConstexpr</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002498<tr><td colspan="4" class="doc" id="isConstexpr1"><pre>Matches constexpr variable and function declarations.
2499
2500Given:
2501 constexpr int foo = 42;
2502 constexpr int bar();
2503varDecl(isConstexpr())
2504 matches the declaration of foo.
2505functionDecl(isConstexpr())
2506 matches the declaration of bar.
2507</pre></td></tr>
2508
2509
Aaron Ballman672dde22016-01-22 23:15:00 +00002510<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('isDefaulted0')"><a name="isDefaulted0Anchor">isDefaulted</a></td><td></td></tr>
Aaron Ballmanc35724c2016-01-21 15:18:25 +00002511<tr><td colspan="4" class="doc" id="isDefaulted0"><pre>Matches defaulted function declarations.
2512
2513Given:
2514 class A { ~A(); };
2515 class B { ~B() = default; };
2516functionDecl(isDefaulted())
2517 matches the declaration of ~B, but not ~A.
2518</pre></td></tr>
2519
2520
Aaron Ballman672dde22016-01-22 23:15:00 +00002521<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('isDefinition2')"><a name="isDefinition2Anchor">isDefinition</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002522<tr><td colspan="4" class="doc" id="isDefinition2"><pre>Matches if a declaration has a body attached.
2523
2524Example matches A, va, fa
2525 class A {};
2526 class B; Doesn't match, as it has no body.
2527 int va;
2528 extern int vb; Doesn't match, as it doesn't define the variable.
2529 void fa() {}
2530 void fb(); Doesn't match, as it has no body.
2531
Aaron Ballman672dde22016-01-22 23:15:00 +00002532Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002533</pre></td></tr>
2534
2535
Aaron Ballman672dde22016-01-22 23:15:00 +00002536<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('isDeleted0')"><a name="isDeleted0Anchor">isDeleted</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002537<tr><td colspan="4" class="doc" id="isDeleted0"><pre>Matches deleted function declarations.
2538
2539Given:
2540 void Func();
2541 void DeletedFunc() = delete;
2542functionDecl(isDeleted())
2543 matches the declaration of DeletedFunc, but not Func.
2544</pre></td></tr>
2545
2546
Aaron Ballman672dde22016-01-22 23:15:00 +00002547<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('isExplicitTemplateSpecialization0')"><a name="isExplicitTemplateSpecialization0Anchor">isExplicitTemplateSpecialization</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002548<tr><td colspan="4" class="doc" id="isExplicitTemplateSpecialization0"><pre>Matches explicit template specializations of function, class, or
2549static member variable template instantiations.
2550
2551Given
2552 template&lt;typename T&gt; void A(T t) { }
2553 template&lt;&gt; void A(int N) { }
2554functionDecl(isExplicitTemplateSpecialization())
2555 matches the specialization A&lt;int&gt;().
2556
Aaron Ballman672dde22016-01-22 23:15:00 +00002557Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002558</pre></td></tr>
2559
2560
Aaron Ballman672dde22016-01-22 23:15:00 +00002561<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('isExternC0')"><a name="isExternC0Anchor">isExternC</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002562<tr><td colspan="4" class="doc" id="isExternC0"><pre>Matches extern "C" function declarations.
2563
2564Given:
2565 extern "C" void f() {}
2566 extern "C" { void g() {} }
2567 void h() {}
2568functionDecl(isExternC())
2569 matches the declaration of f and g, but not the declaration h
2570</pre></td></tr>
2571
2572
Aaron Ballman672dde22016-01-22 23:15:00 +00002573<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('isInline1')"><a name="isInline1Anchor">isInline</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002574<tr><td colspan="4" class="doc" id="isInline1"><pre>Matches function and namespace declarations that are marked with
2575the inline keyword.
2576
2577Given
2578 inline void f();
2579 void g();
2580 namespace n {
2581 inline namespace m {}
2582 }
2583functionDecl(isInline()) will match ::f().
2584namespaceDecl(isInline()) will match n::m.
2585</pre></td></tr>
2586
2587
Aaron Ballman672dde22016-01-22 23:15:00 +00002588<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('isNoThrow0')"><a name="isNoThrow0Anchor">isNoThrow</a></td><td></td></tr>
Aaron Ballmana60bcda2015-12-02 15:23:59 +00002589<tr><td colspan="4" class="doc" id="isNoThrow0"><pre>Matches functions that have a non-throwing exception specification.
2590
2591Given:
2592 void f();
2593 void g() noexcept;
2594 void h() throw();
2595 void i() throw(int);
2596 void j() noexcept(false);
Aaron Ballman230ad972016-06-07 17:34:45 +00002597functionDecl(isNoThrow()) and functionProtoType(isNoThrow())
2598 match the declarations of g, and h, but not f, i or j.
Aaron Ballmana60bcda2015-12-02 15:23:59 +00002599</pre></td></tr>
2600
2601
Aaron Ballman672dde22016-01-22 23:15:00 +00002602<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('isTemplateInstantiation0')"><a name="isTemplateInstantiation0Anchor">isTemplateInstantiation</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002603<tr><td colspan="4" class="doc" id="isTemplateInstantiation0"><pre>Matches template instantiations of function, class, or static
2604member variable template instantiations.
2605
2606Given
2607 template &lt;typename T&gt; class X {}; class A {}; X&lt;A&gt; x;
2608or
2609 template &lt;typename T&gt; class X {}; class A {}; template class X&lt;A&gt;;
2610cxxRecordDecl(hasName("::X"), isTemplateInstantiation())
2611 matches the template instantiation of X&lt;A&gt;.
2612
2613But given
2614 template &lt;typename T&gt; class X {}; class A {};
2615 template &lt;&gt; class X&lt;A&gt; {}; X&lt;A&gt; x;
2616cxxRecordDecl(hasName("::X"), isTemplateInstantiation())
2617 does not match, as X&lt;A&gt; is an explicit template specialization.
2618
Aaron Ballman672dde22016-01-22 23:15:00 +00002619Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002620</pre></td></tr>
2621
2622
Aaron Ballman672dde22016-01-22 23:15:00 +00002623<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('isVariadic0')"><a name="isVariadic0Anchor">isVariadic</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002624<tr><td colspan="4" class="doc" id="isVariadic0"><pre>Matches if a function declaration is variadic.
2625
2626Example matches f, but not g or h. The function i will not match, even when
2627compiled in C mode.
2628 void f(...);
2629 void g(int);
2630 template &lt;typename... Ts&gt; void h(Ts...);
2631 void i();
2632</pre></td></tr>
2633
2634
Aaron Ballman672dde22016-01-22 23:15:00 +00002635<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('parameterCountIs0')"><a name="parameterCountIs0Anchor">parameterCountIs</a></td><td>unsigned N</td></tr>
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00002636<tr><td colspan="4" class="doc" id="parameterCountIs0"><pre>Matches FunctionDecls and FunctionProtoTypes that have a
2637specific parameter count.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002638
2639Given
2640 void f(int i) {}
2641 void g(int i, int j) {}
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00002642 void h(int i, int j);
2643 void j(int i);
2644 void k(int x, int y, int z, ...);
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002645functionDecl(parameterCountIs(2))
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00002646 matches void g(int i, int j) {}
2647functionProtoType(parameterCountIs(2))
2648 matches void h(int i, int j)
2649functionProtoType(parameterCountIs(3))
2650 matches void k(int x, int y, int z, ...);
2651</pre></td></tr>
2652
2653
Aaron Ballman230ad972016-06-07 17:34:45 +00002654<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionProtoType.html">FunctionProtoType</a>&gt;</td><td class="name" onclick="toggle('hasDynamicExceptionSpec1')"><a name="hasDynamicExceptionSpec1Anchor">hasDynamicExceptionSpec</a></td><td></td></tr>
2655<tr><td colspan="4" class="doc" id="hasDynamicExceptionSpec1"><pre>Matches functions that have a dynamic exception specification.
2656
2657Given:
2658 void f();
2659 void g() noexcept;
2660 void h() noexcept(true);
2661 void i() noexcept(false);
2662 void j() throw();
2663 void k() throw(int);
2664 void l() throw(...);
2665functionDecl(hasDynamicExceptionSpec()) and
2666 functionProtoType(hasDynamicExceptionSpec())
2667 match the declarations of j, k, and l, but not f, g, h, or i.
2668</pre></td></tr>
2669
2670
2671<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionProtoType.html">FunctionProtoType</a>&gt;</td><td class="name" onclick="toggle('isNoThrow1')"><a name="isNoThrow1Anchor">isNoThrow</a></td><td></td></tr>
2672<tr><td colspan="4" class="doc" id="isNoThrow1"><pre>Matches functions that have a non-throwing exception specification.
2673
2674Given:
2675 void f();
2676 void g() noexcept;
2677 void h() throw();
2678 void i() throw(int);
2679 void j() noexcept(false);
2680functionDecl(isNoThrow()) and functionProtoType(isNoThrow())
2681 match the declarations of g, and h, but not f, i or j.
2682</pre></td></tr>
2683
2684
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00002685<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionProtoType.html">FunctionProtoType</a>&gt;</td><td class="name" onclick="toggle('parameterCountIs1')"><a name="parameterCountIs1Anchor">parameterCountIs</a></td><td>unsigned N</td></tr>
2686<tr><td colspan="4" class="doc" id="parameterCountIs1"><pre>Matches FunctionDecls and FunctionProtoTypes that have a
2687specific parameter count.
2688
2689Given
2690 void f(int i) {}
2691 void g(int i, int j) {}
2692 void h(int i, int j);
2693 void j(int i);
2694 void k(int x, int y, int z, ...);
2695functionDecl(parameterCountIs(2))
2696 matches void g(int i, int j) {}
2697functionProtoType(parameterCountIs(2))
2698 matches void h(int i, int j)
2699functionProtoType(parameterCountIs(3))
2700 matches void k(int x, int y, int z, ...);
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002701</pre></td></tr>
2702
2703
Aaron Ballman672dde22016-01-22 23:15:00 +00002704<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>&gt;</td><td class="name" onclick="toggle('equals0')"><a name="equals0Anchor">equals</a></td><td>ValueT Value</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002705<tr><td colspan="4" class="doc" id="equals0"><pre>Matches literals that are equal to the given value.
2706
2707Example matches true (matcher = cxxBoolLiteral(equals(true)))
2708 true
2709
Aaron Ballman672dde22016-01-22 23:15:00 +00002710Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CharacterLiteral.html">CharacterLiteral</a>&gt;, Matcher&lt;CXXBoolLiteral&gt;,
2711 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1IntegerLiteral.html">IntegerLiteral</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002712</pre></td></tr>
2713
2714
Aaron Ballman672dde22016-01-22 23:15:00 +00002715<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;</td><td class="name" onclick="toggle('isArrow0')"><a name="isArrow0Anchor">isArrow</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002716<tr><td colspan="4" class="doc" id="isArrow0"><pre>Matches member expressions that are called with '-&gt;' as opposed
2717to '.'.
2718
2719Member calls on the implicit this pointer match as called with '-&gt;'.
2720
2721Given
2722 class Y {
2723 void x() { this-&gt;x(); x(); Y y; y.x(); a; this-&gt;b; Y::b; }
2724 int a;
2725 static int b;
2726 };
2727memberExpr(isArrow())
2728 matches this-&gt;x, x, y.x, a, this-&gt;b
2729</pre></td></tr>
2730
2731
Alexander Kornienko7d20a5a2016-04-13 11:13:08 +00002732<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>&gt;</td><td class="name" onclick="toggle('hasName0')"><a name="hasName0Anchor">hasName</a></td><td>std::string Name</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002733<tr><td colspan="4" class="doc" id="hasName0"><pre>Matches NamedDecl nodes that have the specified name.
2734
2735Supports specifying enclosing namespaces or classes by prefixing the name
2736with '&lt;enclosing&gt;::'.
2737Does not match typedefs of an underlying type with the given name.
2738
2739Example matches X (Name == "X")
2740 class X;
2741
2742Example matches X (Name is one of "::a::b::X", "a::b::X", "b::X", "X")
2743 namespace a { namespace b { class X; } }
2744</pre></td></tr>
2745
2746
Aaron Ballman672dde22016-01-22 23:15:00 +00002747<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>&gt;</td><td class="name" onclick="toggle('matchesName0')"><a name="matchesName0Anchor">matchesName</a></td><td>std::string RegExp</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002748<tr><td colspan="4" class="doc" id="matchesName0"><pre>Matches NamedDecl nodes whose fully qualified names contain
2749a substring matched by the given RegExp.
2750
2751Supports specifying enclosing namespaces or classes by
2752prefixing the name with '&lt;enclosing&gt;::'. Does not match typedefs
2753of an underlying type with the given name.
2754
2755Example matches X (regexp == "::X")
2756 class X;
2757
2758Example matches X (regexp is one of "::X", "^foo::.*X", among others)
2759 namespace foo { namespace bar { class X; } }
2760</pre></td></tr>
2761
2762
Aaron Ballman672dde22016-01-22 23:15:00 +00002763<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NamespaceDecl.html">NamespaceDecl</a>&gt;</td><td class="name" onclick="toggle('isAnonymous0')"><a name="isAnonymous0Anchor">isAnonymous</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002764<tr><td colspan="4" class="doc" id="isAnonymous0"><pre>Matches anonymous namespace declarations.
2765
2766Given
2767 namespace n {
2768 namespace {} #1
2769 }
2770namespaceDecl(isAnonymous()) will match #1 but not ::n.
2771</pre></td></tr>
2772
2773
Aaron Ballman672dde22016-01-22 23:15:00 +00002774<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NamespaceDecl.html">NamespaceDecl</a>&gt;</td><td class="name" onclick="toggle('isInline0')"><a name="isInline0Anchor">isInline</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002775<tr><td colspan="4" class="doc" id="isInline0"><pre>Matches function and namespace declarations that are marked with
2776the inline keyword.
2777
2778Given
2779 inline void f();
2780 void g();
2781 namespace n {
2782 inline namespace m {}
2783 }
2784functionDecl(isInline()) will match ::f().
2785namespaceDecl(isInline()) will match n::m.
2786</pre></td></tr>
2787
2788
Aaron Ballman672dde22016-01-22 23:15:00 +00002789<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>&gt;</td><td class="name" onclick="toggle('argumentCountIs2')"><a name="argumentCountIs2Anchor">argumentCountIs</a></td><td>unsigned N</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002790<tr><td colspan="4" class="doc" id="argumentCountIs2"><pre>Checks that a call expression or a constructor call expression has
2791a specific number of arguments (including absent default arguments).
2792
2793Example matches f(0, 0) (matcher = callExpr(argumentCountIs(2)))
2794 void f(int x, int y);
2795 f(0, 0);
2796</pre></td></tr>
2797
2798
Aaron Ballman672dde22016-01-22 23:15:00 +00002799<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>&gt;</td><td class="name" onclick="toggle('hasKeywordSelector0')"><a name="hasKeywordSelector0Anchor">hasKeywordSelector</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002800<tr><td colspan="4" class="doc" id="hasKeywordSelector0"><pre>Matches when the selector is a keyword selector
2801
2802objCMessageExpr(hasKeywordSelector()) matches the generated setFrame
2803message expression in
2804
2805 UIWebView *webView = ...;
2806 CGRect bodyFrame = webView.frame;
2807 bodyFrame.size.height = self.bodyContentHeight;
2808 webView.frame = bodyFrame;
2809 ^---- matches here
2810</pre></td></tr>
2811
2812
Aaron Ballman672dde22016-01-22 23:15:00 +00002813<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>&gt;</td><td class="name" onclick="toggle('hasNullSelector0')"><a name="hasNullSelector0Anchor">hasNullSelector</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002814<tr><td colspan="4" class="doc" id="hasNullSelector0"><pre>Matches when the selector is the empty selector
2815
2816Matches only when the selector of the objCMessageExpr is NULL. This may
2817represent an error condition in the tree!
2818</pre></td></tr>
2819
2820
Aaron Ballman672dde22016-01-22 23:15:00 +00002821<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>&gt;</td><td class="name" onclick="toggle('hasSelector0')"><a name="hasSelector0Anchor">hasSelector</a></td><td>std::string BaseName</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002822<tr><td colspan="4" class="doc" id="hasSelector0"><pre>Matches when BaseName == Selector.getAsString()
2823
2824 matcher = objCMessageExpr(hasSelector("loadHTMLString:baseURL:"));
2825 matches the outer message expr in the code below, but NOT the message
2826 invocation for self.bodyView.
2827 [self.bodyView loadHTMLString:html baseURL:NULL];
2828</pre></td></tr>
2829
2830
Aaron Ballman672dde22016-01-22 23:15:00 +00002831<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>&gt;</td><td class="name" onclick="toggle('hasUnarySelector0')"><a name="hasUnarySelector0Anchor">hasUnarySelector</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002832<tr><td colspan="4" class="doc" id="hasUnarySelector0"><pre>Matches when the selector is a Unary Selector
2833
2834 matcher = objCMessageExpr(matchesSelector(hasUnarySelector());
2835 matches self.bodyView in the code below, but NOT the outer message
2836 invocation of "loadHTMLString:baseURL:".
2837 [self.bodyView loadHTMLString:html baseURL:NULL];
2838</pre></td></tr>
2839
2840
Aaron Ballman672dde22016-01-22 23:15:00 +00002841<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>&gt;</td><td class="name" onclick="toggle('matchesSelector0')"><a name="matchesSelector0Anchor">matchesSelector</a></td><td>std::string RegExp</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002842<tr><td colspan="4" class="doc" id="matchesSelector0"><pre>Matches ObjC selectors whose name contains
2843a substring matched by the given RegExp.
2844 matcher = objCMessageExpr(matchesSelector("loadHTMLStringmatches the outer message expr in the code below, but NOT the message
2845 invocation for self.bodyView.
2846 [self.bodyView loadHTMLString:html baseURL:NULL];
2847</pre></td></tr>
2848
2849
Aaron Ballman672dde22016-01-22 23:15:00 +00002850<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>&gt;</td><td class="name" onclick="toggle('numSelectorArgs0')"><a name="numSelectorArgs0Anchor">numSelectorArgs</a></td><td>unsigned N</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002851<tr><td colspan="4" class="doc" id="numSelectorArgs0"><pre>Matches when the selector has the specified number of arguments
2852
2853 matcher = objCMessageExpr(numSelectorArgs(0));
2854 matches self.bodyView in the code below
2855
2856 matcher = objCMessageExpr(numSelectorArgs(2));
2857 matches the invocation of "loadHTMLString:baseURL:" but not that
2858 of self.bodyView
2859 [self.bodyView loadHTMLString:html baseURL:NULL];
2860</pre></td></tr>
2861
2862
Aaron Ballman672dde22016-01-22 23:15:00 +00002863<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('asString0')"><a name="asString0Anchor">asString</a></td><td>std::string Name</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002864<tr><td colspan="4" class="doc" id="asString0"><pre>Matches if the matched type is represented by the given string.
2865
2866Given
2867 class Y { public: void x(); };
2868 void z() { Y* y; y-&gt;x(); }
2869cxxMemberCallExpr(on(hasType(asString("class Y *"))))
2870 matches y-&gt;x()
2871</pre></td></tr>
2872
2873
Aaron Ballman672dde22016-01-22 23:15:00 +00002874<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('equalsBoundNode3')"><a name="equalsBoundNode3Anchor">equalsBoundNode</a></td><td>std::string ID</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002875<tr><td colspan="4" class="doc" id="equalsBoundNode3"><pre>Matches if a node equals a previously bound node.
2876
2877Matches a node if it equals the node previously bound to ID.
2878
2879Given
2880 class X { int a; int b; };
2881cxxRecordDecl(
2882 has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
2883 has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))
2884 matches the class X, as a and b have the same type.
2885
2886Note that when multiple matches are involved via forEach* matchers,
2887equalsBoundNodes acts as a filter.
2888For example:
2889compoundStmt(
2890 forEachDescendant(varDecl().bind("d")),
2891 forEachDescendant(declRefExpr(to(decl(equalsBoundNode("d"))))))
2892will trigger a match for each combination of variable declaration
2893and reference to that variable declaration within a compound statement.
2894</pre></td></tr>
2895
2896
Aaron Ballman672dde22016-01-22 23:15:00 +00002897<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('hasLocalQualifiers0')"><a name="hasLocalQualifiers0Anchor">hasLocalQualifiers</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002898<tr><td colspan="4" class="doc" id="hasLocalQualifiers0"><pre>Matches QualType nodes that have local CV-qualifiers attached to
2899the node, not hidden within a typedef.
2900
2901Given
2902 typedef const int const_int;
2903 const_int i;
2904 int *const j;
2905 int *volatile k;
2906 int m;
2907varDecl(hasType(hasLocalQualifiers())) matches only j and k.
2908i is const-qualified but the qualifier is not local.
2909</pre></td></tr>
2910
2911
Aaron Ballman672dde22016-01-22 23:15:00 +00002912<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('isAnyCharacter0')"><a name="isAnyCharacter0Anchor">isAnyCharacter</a></td><td></td></tr>
Samuel Benzaquen30747f72015-12-22 21:06:36 +00002913<tr><td colspan="4" class="doc" id="isAnyCharacter0"><pre>Matches QualType nodes that are of character type.
2914
2915Given
2916 void a(char);
2917 void b(wchar_t);
2918 void c(double);
2919functionDecl(hasAnyParameter(hasType(isAnyCharacter())))
2920matches "a(char)", "b(wchar_t)", but not "c(double)".
2921</pre></td></tr>
2922
2923
Aaron Ballmaneb7e5d92016-02-18 16:36:01 +00002924<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('isAnyPointer0')"><a name="isAnyPointer0Anchor">isAnyPointer</a></td><td></td></tr>
Alexander Kornienko7d20a5a2016-04-13 11:13:08 +00002925<tr><td colspan="4" class="doc" id="isAnyPointer0"><pre>Matches QualType nodes that are of any pointer type; this includes
2926the Objective-C object pointer type, which is different despite being
2927syntactically similar.
Aaron Ballmaneb7e5d92016-02-18 16:36:01 +00002928
2929Given
2930 int *i = nullptr;
Alexander Kornienko7d20a5a2016-04-13 11:13:08 +00002931
2932 @interface Foo
2933 @end
2934 Foo *f;
2935
Aaron Ballmaneb7e5d92016-02-18 16:36:01 +00002936 int j;
2937varDecl(hasType(isAnyPointer()))
Alexander Kornienko7d20a5a2016-04-13 11:13:08 +00002938 matches "int *i" and "Foo *f", but not "int j".
Aaron Ballmaneb7e5d92016-02-18 16:36:01 +00002939</pre></td></tr>
2940
2941
Aaron Ballman672dde22016-01-22 23:15:00 +00002942<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('isConstQualified0')"><a name="isConstQualified0Anchor">isConstQualified</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002943<tr><td colspan="4" class="doc" id="isConstQualified0"><pre>Matches QualType nodes that are const-qualified, i.e., that
2944include "top-level" const.
2945
2946Given
2947 void a(int);
2948 void b(int const);
2949 void c(const int);
2950 void d(const int*);
2951 void e(int const) {};
2952functionDecl(hasAnyParameter(hasType(isConstQualified())))
2953 matches "void b(int const)", "void c(const int)" and
2954 "void e(int const) {}". It does not match d as there
2955 is no top-level const on the parameter type "const int *".
2956</pre></td></tr>
2957
2958
Aaron Ballman672dde22016-01-22 23:15:00 +00002959<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('isInteger0')"><a name="isInteger0Anchor">isInteger</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00002960<tr><td colspan="4" class="doc" id="isInteger0"><pre>Matches QualType nodes that are of integer type.
2961
2962Given
2963 void a(int);
2964 void b(long);
2965 void c(double);
2966functionDecl(hasAnyParameter(hasType(isInteger())))
2967matches "a(int)", "b(long)", but not "c(double)".
2968</pre></td></tr>
2969
2970
Clement Courbet42517592016-07-12 06:36:00 +00002971<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('isSignedInteger0')"><a name="isSignedInteger0Anchor">isSignedInteger</a></td><td></td></tr>
2972<tr><td colspan="4" class="doc" id="isSignedInteger0"><pre>Matches QualType nodes that are of signed integer type.
2973
2974Given
2975 void a(int);
2976 void b(unsigned long);
2977 void c(double);
2978functionDecl(hasAnyParameter(hasType(isInteger())))
2979matches "a(int)", but not "b(unsigned long)" and "c(double)".
2980</pre></td></tr>
2981
2982
2983<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('isUnsignedInteger0')"><a name="isUnsignedInteger0Anchor">isUnsignedInteger</a></td><td></td></tr>
2984<tr><td colspan="4" class="doc" id="isUnsignedInteger0"><pre>Matches QualType nodes that are of unsigned integer type.
2985
2986Given
2987 void a(int);
2988 void b(unsigned long);
2989 void c(double);
2990functionDecl(hasAnyParameter(hasType(isInteger())))
2991matches "b(unsigned long)", but not "a(int)" and "c(double)".
2992</pre></td></tr>
2993
2994
Aaron Ballman672dde22016-01-22 23:15:00 +00002995<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('isVolatileQualified0')"><a name="isVolatileQualified0Anchor">isVolatileQualified</a></td><td></td></tr>
Aaron Ballman6290fc92015-11-23 17:09:24 +00002996<tr><td colspan="4" class="doc" id="isVolatileQualified0"><pre>Matches QualType nodes that are volatile-qualified, i.e., that
2997include "top-level" volatile.
2998
2999Given
3000 void a(int);
3001 void b(int volatile);
3002 void c(volatile int);
3003 void d(volatile int*);
3004 void e(int volatile) {};
3005functionDecl(hasAnyParameter(hasType(isVolatileQualified())))
3006 matches "void b(int volatile)", "void c(volatile int)" and
3007 "void e(int volatile) {}". It does not match d as there
3008 is no top-level volatile on the parameter type "volatile int *".
3009</pre></td></tr>
3010
3011
Aaron Ballman672dde22016-01-22 23:15:00 +00003012<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordDecl.html">RecordDecl</a>&gt;</td><td class="name" onclick="toggle('isClass0')"><a name="isClass0Anchor">isClass</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003013<tr><td colspan="4" class="doc" id="isClass0"><pre>Matches RecordDecl object that are spelled with "class."
3014
3015Example matches C, but not S or U.
3016 struct S {};
3017 class C {};
3018 union U {};
3019</pre></td></tr>
3020
3021
Aaron Ballman672dde22016-01-22 23:15:00 +00003022<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordDecl.html">RecordDecl</a>&gt;</td><td class="name" onclick="toggle('isStruct0')"><a name="isStruct0Anchor">isStruct</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003023<tr><td colspan="4" class="doc" id="isStruct0"><pre>Matches RecordDecl object that are spelled with "struct."
3024
3025Example matches S, but not C or U.
3026 struct S {};
3027 class C {};
3028 union U {};
3029</pre></td></tr>
3030
3031
Aaron Ballman672dde22016-01-22 23:15:00 +00003032<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordDecl.html">RecordDecl</a>&gt;</td><td class="name" onclick="toggle('isUnion0')"><a name="isUnion0Anchor">isUnion</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003033<tr><td colspan="4" class="doc" id="isUnion0"><pre>Matches RecordDecl object that are spelled with "union."
3034
3035Example matches U, but not C or S.
3036 struct S {};
3037 class C {};
3038 union U {};
3039</pre></td></tr>
3040
3041
Aaron Ballman672dde22016-01-22 23:15:00 +00003042<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('equalsBoundNode0')"><a name="equalsBoundNode0Anchor">equalsBoundNode</a></td><td>std::string ID</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003043<tr><td colspan="4" class="doc" id="equalsBoundNode0"><pre>Matches if a node equals a previously bound node.
3044
3045Matches a node if it equals the node previously bound to ID.
3046
3047Given
3048 class X { int a; int b; };
3049cxxRecordDecl(
3050 has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
3051 has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))
3052 matches the class X, as a and b have the same type.
3053
3054Note that when multiple matches are involved via forEach* matchers,
3055equalsBoundNodes acts as a filter.
3056For example:
3057compoundStmt(
3058 forEachDescendant(varDecl().bind("d")),
3059 forEachDescendant(declRefExpr(to(decl(equalsBoundNode("d"))))))
3060will trigger a match for each combination of variable declaration
3061and reference to that variable declaration within a compound statement.
3062</pre></td></tr>
3063
3064
Samuel Benzaquena4076ea2016-05-04 20:45:00 +00003065<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('equalsNode1')"><a name="equalsNode1Anchor">equalsNode</a></td><td>const Stmt* Other</td></tr>
3066<tr><td colspan="4" class="doc" id="equalsNode1"><pre>Matches if a node equals another node.
3067
3068Stmt has pointer identity in the AST.
3069</pre></td></tr>
3070
3071
Aaron Ballman672dde22016-01-22 23:15:00 +00003072<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('isExpansionInFileMatching1')"><a name="isExpansionInFileMatching1Anchor">isExpansionInFileMatching</a></td><td>std::string RegExp</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003073<tr><td colspan="4" class="doc" id="isExpansionInFileMatching1"><pre>Matches AST nodes that were expanded within files whose name is
3074partially matching a given regex.
3075
3076Example matches Y but not X
3077 (matcher = cxxRecordDecl(isExpansionInFileMatching("AST.*"))
3078 #include "ASTMatcher.h"
3079 class X {};
3080ASTMatcher.h:
3081 class Y {};
3082
Aaron Ballman672dde22016-01-22 23:15:00 +00003083Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003084</pre></td></tr>
3085
3086
Aaron Ballman672dde22016-01-22 23:15:00 +00003087<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('isExpansionInMainFile1')"><a name="isExpansionInMainFile1Anchor">isExpansionInMainFile</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003088<tr><td colspan="4" class="doc" id="isExpansionInMainFile1"><pre>Matches AST nodes that were expanded within the main-file.
3089
3090Example matches X but not Y
3091 (matcher = cxxRecordDecl(isExpansionInMainFile())
3092 #include &lt;Y.h&gt;
3093 class X {};
3094Y.h:
3095 class Y {};
3096
Aaron Ballman672dde22016-01-22 23:15:00 +00003097Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003098</pre></td></tr>
3099
3100
Aaron Ballman672dde22016-01-22 23:15:00 +00003101<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('isExpansionInSystemHeader1')"><a name="isExpansionInSystemHeader1Anchor">isExpansionInSystemHeader</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003102<tr><td colspan="4" class="doc" id="isExpansionInSystemHeader1"><pre>Matches AST nodes that were expanded within system-header-files.
3103
3104Example matches Y but not X
3105 (matcher = cxxRecordDecl(isExpansionInSystemHeader())
3106 #include &lt;SystemHeader.h&gt;
3107 class X {};
3108SystemHeader.h:
3109 class Y {};
3110
Aaron Ballman672dde22016-01-22 23:15:00 +00003111Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003112</pre></td></tr>
3113
3114
Etienne Bergeron3588be72016-05-12 04:20:04 +00003115<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1StringLiteral.html">StringLiteral</a>&gt;</td><td class="name" onclick="toggle('hasSize1')"><a name="hasSize1Anchor">hasSize</a></td><td>unsigned N</td></tr>
3116<tr><td colspan="4" class="doc" id="hasSize1"><pre>Matches nodes that have the specified size.
3117
3118Given
3119 int a[42];
3120 int b[2 * 21];
3121 int c[41], d[43];
3122 char *s = "abcd";
3123 wchar_t *ws = L"abcd";
3124 char *w = "a";
3125constantArrayType(hasSize(42))
3126 matches "int a[42]" and "int b[2 * 21]"
3127stringLiteral(hasSize(4))
3128 matches "abcd", L"abcd"
3129</pre></td></tr>
3130
3131
Aaron Ballman672dde22016-01-22 23:15:00 +00003132<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>&gt;</td><td class="name" onclick="toggle('isDefinition0')"><a name="isDefinition0Anchor">isDefinition</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003133<tr><td colspan="4" class="doc" id="isDefinition0"><pre>Matches if a declaration has a body attached.
3134
3135Example matches A, va, fa
3136 class A {};
3137 class B; Doesn't match, as it has no body.
3138 int va;
3139 extern int vb; Doesn't match, as it doesn't define the variable.
3140 void fa() {}
3141 void fb(); Doesn't match, as it has no body.
3142
Aaron Ballman672dde22016-01-22 23:15:00 +00003143Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003144</pre></td></tr>
3145
3146
Aaron Ballman672dde22016-01-22 23:15:00 +00003147<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>&gt;</td><td class="name" onclick="toggle('equalsIntegralValue0')"><a name="equalsIntegralValue0Anchor">equalsIntegralValue</a></td><td>std::string Value</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003148<tr><td colspan="4" class="doc" id="equalsIntegralValue0"><pre>Matches a TemplateArgument of integral type with a given value.
3149
3150Note that 'Value' is a string as the template argument's value is
3151an arbitrary precision integer. 'Value' must be euqal to the canonical
3152representation of that integral value in base 10.
3153
3154Given
3155 template&lt;int T&gt; struct A {};
3156 C&lt;42&gt; c;
3157classTemplateSpecializationDecl(
3158 hasAnyTemplateArgument(equalsIntegralValue("42")))
3159 matches the implicit instantiation of C in C&lt;42&gt;.
3160</pre></td></tr>
3161
3162
Aaron Ballman672dde22016-01-22 23:15:00 +00003163<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>&gt;</td><td class="name" onclick="toggle('isIntegral0')"><a name="isIntegral0Anchor">isIntegral</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003164<tr><td colspan="4" class="doc" id="isIntegral0"><pre>Matches a TemplateArgument that is an integral value.
3165
3166Given
3167 template&lt;int T&gt; struct A {};
3168 C&lt;42&gt; c;
3169classTemplateSpecializationDecl(
3170 hasAnyTemplateArgument(isIntegral()))
3171 matches the implicit instantiation of C in C&lt;42&gt;
3172 with isIntegral() matching 42.
3173</pre></td></tr>
3174
3175
Aaron Ballman672dde22016-01-22 23:15:00 +00003176<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;</td><td class="name" onclick="toggle('templateArgumentCountIs1')"><a name="templateArgumentCountIs1Anchor">templateArgumentCountIs</a></td><td>unsigned N</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003177<tr><td colspan="4" class="doc" id="templateArgumentCountIs1"><pre>Matches if the number of template arguments equals N.
3178
3179Given
3180 template&lt;typename T&gt; struct C {};
3181 C&lt;int&gt; c;
3182classTemplateSpecializationDecl(templateArgumentCountIs(1))
3183 matches C&lt;int&gt;.
3184</pre></td></tr>
3185
3186
Aaron Ballman672dde22016-01-22 23:15:00 +00003187<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;</td><td class="name" onclick="toggle('isExpansionInFileMatching2')"><a name="isExpansionInFileMatching2Anchor">isExpansionInFileMatching</a></td><td>std::string RegExp</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003188<tr><td colspan="4" class="doc" id="isExpansionInFileMatching2"><pre>Matches AST nodes that were expanded within files whose name is
3189partially matching a given regex.
3190
3191Example matches Y but not X
3192 (matcher = cxxRecordDecl(isExpansionInFileMatching("AST.*"))
3193 #include "ASTMatcher.h"
3194 class X {};
3195ASTMatcher.h:
3196 class Y {};
3197
Aaron Ballman672dde22016-01-22 23:15:00 +00003198Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003199</pre></td></tr>
3200
3201
Aaron Ballman672dde22016-01-22 23:15:00 +00003202<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;</td><td class="name" onclick="toggle('isExpansionInMainFile2')"><a name="isExpansionInMainFile2Anchor">isExpansionInMainFile</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003203<tr><td colspan="4" class="doc" id="isExpansionInMainFile2"><pre>Matches AST nodes that were expanded within the main-file.
3204
3205Example matches X but not Y
3206 (matcher = cxxRecordDecl(isExpansionInMainFile())
3207 #include &lt;Y.h&gt;
3208 class X {};
3209Y.h:
3210 class Y {};
3211
Aaron Ballman672dde22016-01-22 23:15:00 +00003212Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003213</pre></td></tr>
3214
3215
Aaron Ballman672dde22016-01-22 23:15:00 +00003216<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;</td><td class="name" onclick="toggle('isExpansionInSystemHeader2')"><a name="isExpansionInSystemHeader2Anchor">isExpansionInSystemHeader</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003217<tr><td colspan="4" class="doc" id="isExpansionInSystemHeader2"><pre>Matches AST nodes that were expanded within system-header-files.
3218
3219Example matches Y but not X
3220 (matcher = cxxRecordDecl(isExpansionInSystemHeader())
3221 #include &lt;SystemHeader.h&gt;
3222 class X {};
3223SystemHeader.h:
3224 class Y {};
3225
Aaron Ballman672dde22016-01-22 23:15:00 +00003226Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003227</pre></td></tr>
3228
3229
Aaron Ballman672dde22016-01-22 23:15:00 +00003230<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('booleanType0')"><a name="booleanType0Anchor">booleanType</a></td><td></td></tr>
Samuel Benzaquen30747f72015-12-22 21:06:36 +00003231<tr><td colspan="4" class="doc" id="booleanType0"><pre>Matches type bool.
3232
3233Given
3234 struct S { bool func(); };
3235functionDecl(returns(booleanType()))
3236 matches "bool func();"
3237</pre></td></tr>
3238
3239
Aaron Ballman672dde22016-01-22 23:15:00 +00003240<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('equalsBoundNode2')"><a name="equalsBoundNode2Anchor">equalsBoundNode</a></td><td>std::string ID</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003241<tr><td colspan="4" class="doc" id="equalsBoundNode2"><pre>Matches if a node equals a previously bound node.
3242
3243Matches a node if it equals the node previously bound to ID.
3244
3245Given
3246 class X { int a; int b; };
3247cxxRecordDecl(
3248 has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
3249 has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))
3250 matches the class X, as a and b have the same type.
3251
3252Note that when multiple matches are involved via forEach* matchers,
3253equalsBoundNodes acts as a filter.
3254For example:
3255compoundStmt(
3256 forEachDescendant(varDecl().bind("d")),
3257 forEachDescendant(declRefExpr(to(decl(equalsBoundNode("d"))))))
3258will trigger a match for each combination of variable declaration
3259and reference to that variable declaration within a compound statement.
3260</pre></td></tr>
3261
3262
Samuel Benzaquena4076ea2016-05-04 20:45:00 +00003263<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('equalsNode2')"><a name="equalsNode2Anchor">equalsNode</a></td><td>const Type* Other</td></tr>
3264<tr><td colspan="4" class="doc" id="equalsNode2"><pre>Matches if a node equals another node.
3265
3266Type has pointer identity in the AST.
3267</pre></td></tr>
3268
3269
Aaron Ballmaneb7e5d92016-02-18 16:36:01 +00003270<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('realFloatingPointType0')"><a name="realFloatingPointType0Anchor">realFloatingPointType</a></td><td></td></tr>
3271<tr><td colspan="4" class="doc" id="realFloatingPointType0"><pre>Matches any real floating-point type (float, double, long double).
3272
3273Given
3274 int i;
3275 float f;
3276realFloatingPointType()
3277 matches "float f" but not "int i"
3278</pre></td></tr>
3279
3280
Aaron Ballman672dde22016-01-22 23:15:00 +00003281<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td><td class="name" onclick="toggle('voidType0')"><a name="voidType0Anchor">voidType</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003282<tr><td colspan="4" class="doc" id="voidType0"><pre>Matches type void.
3283
3284Given
3285 struct S { void func(); };
3286functionDecl(returns(voidType()))
3287 matches "void func();"
3288</pre></td></tr>
3289
3290
Aaron Ballman672dde22016-01-22 23:15:00 +00003291<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryExprOrTypeTraitExpr.html">UnaryExprOrTypeTraitExpr</a>&gt;</td><td class="name" onclick="toggle('ofKind0')"><a name="ofKind0Anchor">ofKind</a></td><td>UnaryExprOrTypeTrait Kind</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003292<tr><td colspan="4" class="doc" id="ofKind0"><pre>Matches unary expressions of a certain kind.
3293
3294Given
3295 int x;
3296 int s = sizeof(x) + alignof(x)
3297unaryExprOrTypeTraitExpr(ofKind(UETT_SizeOf))
3298 matches sizeof(x)
3299</pre></td></tr>
3300
3301
Aaron Ballman672dde22016-01-22 23:15:00 +00003302<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryOperator.html">UnaryOperator</a>&gt;</td><td class="name" onclick="toggle('hasOperatorName1')"><a name="hasOperatorName1Anchor">hasOperatorName</a></td><td>std::string Name</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003303<tr><td colspan="4" class="doc" id="hasOperatorName1"><pre>Matches the operator Name of operator expressions (binary or
3304unary).
3305
3306Example matches a || b (matcher = binaryOperator(hasOperatorName("||")))
3307 !(a || b)
3308</pre></td></tr>
3309
3310
Aaron Ballman672dde22016-01-22 23:15:00 +00003311<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;</td><td class="name" onclick="toggle('hasAutomaticStorageDuration0')"><a name="hasAutomaticStorageDuration0Anchor">hasAutomaticStorageDuration</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003312<tr><td colspan="4" class="doc" id="hasAutomaticStorageDuration0"><pre>Matches a variable declaration that has automatic storage duration.
3313
3314Example matches x, but not y, z, or a.
3315(matcher = varDecl(hasAutomaticStorageDuration())
3316void f() {
3317 int x;
3318 static int y;
3319 thread_local int z;
3320}
3321int a;
3322</pre></td></tr>
3323
3324
Aaron Ballman672dde22016-01-22 23:15:00 +00003325<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;</td><td class="name" onclick="toggle('hasGlobalStorage0')"><a name="hasGlobalStorage0Anchor">hasGlobalStorage</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003326<tr><td colspan="4" class="doc" id="hasGlobalStorage0"><pre>Matches a variable declaration that does not have local storage.
3327
3328Example matches y and z (matcher = varDecl(hasGlobalStorage())
3329void f() {
3330 int x;
3331 static int y;
3332}
3333int z;
3334</pre></td></tr>
3335
3336
Aaron Ballman672dde22016-01-22 23:15:00 +00003337<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;</td><td class="name" onclick="toggle('hasLocalStorage0')"><a name="hasLocalStorage0Anchor">hasLocalStorage</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003338<tr><td colspan="4" class="doc" id="hasLocalStorage0"><pre>Matches a variable declaration that has function scope and is a
3339non-static local variable.
3340
3341Example matches x (matcher = varDecl(hasLocalStorage())
3342void f() {
3343 int x;
3344 static int y;
3345}
3346int z;
3347</pre></td></tr>
3348
3349
Aaron Ballman672dde22016-01-22 23:15:00 +00003350<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;</td><td class="name" onclick="toggle('hasStaticStorageDuration0')"><a name="hasStaticStorageDuration0Anchor">hasStaticStorageDuration</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003351<tr><td colspan="4" class="doc" id="hasStaticStorageDuration0"><pre>Matches a variable declaration that has static storage duration.
3352
3353Example matches y and a, but not x or z.
3354(matcher = varDecl(hasStaticStorageDuration())
3355void f() {
3356 int x;
3357 static int y;
3358 thread_local int z;
3359}
3360int a;
3361</pre></td></tr>
3362
3363
Aaron Ballman672dde22016-01-22 23:15:00 +00003364<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;</td><td class="name" onclick="toggle('hasThreadStorageDuration0')"><a name="hasThreadStorageDuration0Anchor">hasThreadStorageDuration</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003365<tr><td colspan="4" class="doc" id="hasThreadStorageDuration0"><pre>Matches a variable declaration that has thread storage duration.
3366
3367Example matches z, but not x, z, or a.
3368(matcher = varDecl(hasThreadStorageDuration())
3369void f() {
3370 int x;
3371 static int y;
3372 thread_local int z;
3373}
3374int a;
3375</pre></td></tr>
3376
3377
Aaron Ballman672dde22016-01-22 23:15:00 +00003378<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;</td><td class="name" onclick="toggle('isConstexpr0')"><a name="isConstexpr0Anchor">isConstexpr</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003379<tr><td colspan="4" class="doc" id="isConstexpr0"><pre>Matches constexpr variable and function declarations.
3380
3381Given:
3382 constexpr int foo = 42;
3383 constexpr int bar();
3384varDecl(isConstexpr())
3385 matches the declaration of foo.
3386functionDecl(isConstexpr())
3387 matches the declaration of bar.
3388</pre></td></tr>
3389
3390
Aaron Ballman672dde22016-01-22 23:15:00 +00003391<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;</td><td class="name" onclick="toggle('isDefinition1')"><a name="isDefinition1Anchor">isDefinition</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003392<tr><td colspan="4" class="doc" id="isDefinition1"><pre>Matches if a declaration has a body attached.
3393
3394Example matches A, va, fa
3395 class A {};
3396 class B; Doesn't match, as it has no body.
3397 int va;
3398 extern int vb; Doesn't match, as it doesn't define the variable.
3399 void fa() {}
3400 void fb(); Doesn't match, as it has no body.
3401
Aaron Ballman672dde22016-01-22 23:15:00 +00003402Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagDecl.html">TagDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003403</pre></td></tr>
3404
3405
Aaron Ballman672dde22016-01-22 23:15:00 +00003406<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;</td><td class="name" onclick="toggle('isExceptionVariable0')"><a name="isExceptionVariable0Anchor">isExceptionVariable</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003407<tr><td colspan="4" class="doc" id="isExceptionVariable0"><pre>Matches a variable declaration that is an exception variable from
3408a C++ catch block, or an Objective-C statement.
3409
3410Example matches x (matcher = varDecl(isExceptionVariable())
3411void f(int y) {
3412 try {
3413 } catch (int x) {
3414 }
3415}
3416</pre></td></tr>
3417
3418
Aaron Ballman672dde22016-01-22 23:15:00 +00003419<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;</td><td class="name" onclick="toggle('isExplicitTemplateSpecialization1')"><a name="isExplicitTemplateSpecialization1Anchor">isExplicitTemplateSpecialization</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003420<tr><td colspan="4" class="doc" id="isExplicitTemplateSpecialization1"><pre>Matches explicit template specializations of function, class, or
3421static member variable template instantiations.
3422
3423Given
3424 template&lt;typename T&gt; void A(T t) { }
3425 template&lt;&gt; void A(int N) { }
3426functionDecl(isExplicitTemplateSpecialization())
3427 matches the specialization A&lt;int&gt;().
3428
Aaron Ballman672dde22016-01-22 23:15:00 +00003429Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003430</pre></td></tr>
3431
3432
Aaron Ballman672dde22016-01-22 23:15:00 +00003433<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;</td><td class="name" onclick="toggle('isTemplateInstantiation1')"><a name="isTemplateInstantiation1Anchor">isTemplateInstantiation</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003434<tr><td colspan="4" class="doc" id="isTemplateInstantiation1"><pre>Matches template instantiations of function, class, or static
3435member variable template instantiations.
3436
3437Given
3438 template &lt;typename T&gt; class X {}; class A {}; X&lt;A&gt; x;
3439or
3440 template &lt;typename T&gt; class X {}; class A {}; template class X&lt;A&gt;;
3441cxxRecordDecl(hasName("::X"), isTemplateInstantiation())
3442 matches the template instantiation of X&lt;A&gt;.
3443
3444But given
3445 template &lt;typename T&gt; class X {}; class A {};
3446 template &lt;&gt; class X&lt;A&gt; {}; X&lt;A&gt; x;
3447cxxRecordDecl(hasName("::X"), isTemplateInstantiation())
3448 does not match, as X&lt;A&gt; is an explicit template specialization.
3449
Aaron Ballman672dde22016-01-22 23:15:00 +00003450Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003451</pre></td></tr>
3452
3453
Aaron Ballman672dde22016-01-22 23:15:00 +00003454<tr><td>Matcher&lt;internal::Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;&gt;</td><td class="name" onclick="toggle('isInstantiated0')"><a name="isInstantiated0Anchor">isInstantiated</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003455<tr><td colspan="4" class="doc" id="isInstantiated0"><pre>Matches declarations that are template instantiations or are inside
3456template instantiations.
3457
3458Given
3459 template&lt;typename T&gt; void A(T t) { T i; }
3460 A(0);
3461 A(0U);
3462functionDecl(isInstantiated())
3463 matches 'A(int) {...};' and 'A(unsigned) {...}'.
3464</pre></td></tr>
3465
3466
Aaron Ballmaneb7e5d92016-02-18 16:36:01 +00003467<tr><td>Matcher&lt;internal::Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt;&gt;</td><td class="name" onclick="toggle('nullPointerConstant0')"><a name="nullPointerConstant0Anchor">nullPointerConstant</a></td><td></td></tr>
3468<tr><td colspan="4" class="doc" id="nullPointerConstant0"><pre>Matches expressions that resolve to a null pointer constant, such as
3469GNU's __null, C++11's nullptr, or C's NULL macro.
3470
3471Given:
3472 void *v1 = NULL;
3473 void *v2 = nullptr;
3474 void *v3 = __null; GNU extension
3475 char *cp = (char *)0;
3476 int *ip = 0;
3477 int i = 0;
3478expr(nullPointerConstant())
3479 matches the initializer for v1, v2, v3, cp, and ip. Does not match the
3480 initializer for i.
3481</pre></td></tr>
3482
3483
Samuel Benzaquena4076ea2016-05-04 20:45:00 +00003484<tr><td>Matcher&lt;internal::Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>&gt;&gt;</td><td class="name" onclick="toggle('hasAnyName0')"><a name="hasAnyName0Anchor">hasAnyName</a></td><td>StringRef, ..., StringRef</td></tr>
3485<tr><td colspan="4" class="doc" id="hasAnyName0"><pre>Matches NamedDecl nodes that have any of the specified names.
3486
3487This matcher is only provided as a performance optimization of hasName.
3488 hasAnyName(a, b, c)
3489 is equivalent to, but faster than
3490 anyOf(hasName(a), hasName(b), hasName(c))
3491</pre></td></tr>
3492
3493
Aaron Ballman672dde22016-01-22 23:15:00 +00003494<tr><td>Matcher&lt;internal::Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;&gt;</td><td class="name" onclick="toggle('isInTemplateInstantiation0')"><a name="isInTemplateInstantiation0Anchor">isInTemplateInstantiation</a></td><td></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003495<tr><td colspan="4" class="doc" id="isInTemplateInstantiation0"><pre>Matches statements inside of a template instantiation.
3496
3497Given
3498 int j;
3499 template&lt;typename T&gt; void A(T t) { T i; j += 42;}
3500 A(0);
3501 A(0U);
3502declStmt(isInTemplateInstantiation())
3503 matches 'int i;' and 'unsigned i'.
3504unless(stmt(isInTemplateInstantiation()))
3505 will NOT match j += 42; as it's shared between the template definition and
3506 instantiation.
3507</pre></td></tr>
3508
Benjamin Kramer7d0cc232015-11-20 07:57:46 +00003509<!--END_NARROWING_MATCHERS -->
3510</table>
3511
3512<!-- ======================================================================= -->
3513<h2 id="traversal-matchers">AST Traversal Matchers</h2>
3514<!-- ======================================================================= -->
3515
3516<p>Traversal matchers specify the relationship to other nodes that are
3517reachable from the current node.</p>
3518
3519<p>Note that there are special traversal matchers (has, hasDescendant, forEach and
3520forEachDescendant) which work on all nodes and allow users to write more generic
3521match expressions.</p>
3522
3523<table>
3524<tr style="text-align:left"><th>Return type</th><th>Name</th><th>Parameters</th></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003525<!-- START_TRAVERSAL_MATCHERS -->
3526
3527<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('eachOf0')"><a name="eachOf0Anchor">eachOf</a></td><td>Matcher&lt;*&gt;, ..., Matcher&lt;*&gt;</td></tr>
3528<tr><td colspan="4" class="doc" id="eachOf0"><pre>Matches if any of the given matchers matches.
3529
3530Unlike anyOf, eachOf will generate a match result for each
3531matching submatcher.
3532
3533For example, in:
3534 class A { int a; int b; };
3535The matcher:
3536 cxxRecordDecl(eachOf(has(fieldDecl(hasName("a")).bind("v")),
3537 has(fieldDecl(hasName("b")).bind("v"))))
3538will generate two results binding "v", the first of which binds
3539the field declaration of a, the second the field declaration of
3540b.
3541
3542Usable as: Any Matcher
3543</pre></td></tr>
3544
3545
3546<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('forEachDescendant0')"><a name="forEachDescendant0Anchor">forEachDescendant</a></td><td>Matcher&lt;*&gt;</td></tr>
3547<tr><td colspan="4" class="doc" id="forEachDescendant0"><pre>Matches AST nodes that have descendant AST nodes that match the
3548provided matcher.
3549
3550Example matches X, A, B, C
3551 (matcher = cxxRecordDecl(forEachDescendant(cxxRecordDecl(hasName("X")))))
3552 class X {}; Matches X, because X::X is a class of name X inside X.
3553 class A { class X {}; };
3554 class B { class C { class X {}; }; };
3555
3556DescendantT must be an AST base type.
3557
3558As opposed to 'hasDescendant', 'forEachDescendant' will cause a match for
3559each result that matches instead of only on the first one.
3560
3561Note: Recursively combined ForEachDescendant can cause many matches:
3562 cxxRecordDecl(forEachDescendant(cxxRecordDecl(
3563 forEachDescendant(cxxRecordDecl())
3564 )))
3565will match 10 times (plus injected class name matches) on:
3566 class A { class B { class C { class D { class E {}; }; }; }; };
3567
3568Usable as: Any Matcher
3569</pre></td></tr>
3570
3571
3572<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('forEach0')"><a name="forEach0Anchor">forEach</a></td><td>Matcher&lt;*&gt;</td></tr>
3573<tr><td colspan="4" class="doc" id="forEach0"><pre>Matches AST nodes that have child AST nodes that match the
3574provided matcher.
3575
3576Example matches X, Y
3577 (matcher = cxxRecordDecl(forEach(cxxRecordDecl(hasName("X")))
3578 class X {}; Matches X, because X::X is a class of name X inside X.
3579 class Y { class X {}; };
3580 class Z { class Y { class X {}; }; }; Does not match Z.
3581
3582ChildT must be an AST base type.
3583
3584As opposed to 'has', 'forEach' will cause a match for each result that
3585matches instead of only on the first one.
3586
3587Usable as: Any Matcher
3588</pre></td></tr>
3589
3590
3591<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('hasAncestor0')"><a name="hasAncestor0Anchor">hasAncestor</a></td><td>Matcher&lt;*&gt;</td></tr>
3592<tr><td colspan="4" class="doc" id="hasAncestor0"><pre>Matches AST nodes that have an ancestor that matches the provided
3593matcher.
3594
3595Given
3596void f() { if (true) { int x = 42; } }
3597void g() { for (;;) { int x = 43; } }
3598expr(integerLiteral(hasAncestor(ifStmt()))) matches 42, but not 43.
3599
3600Usable as: Any Matcher
3601</pre></td></tr>
3602
3603
3604<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('hasDescendant0')"><a name="hasDescendant0Anchor">hasDescendant</a></td><td>Matcher&lt;*&gt;</td></tr>
3605<tr><td colspan="4" class="doc" id="hasDescendant0"><pre>Matches AST nodes that have descendant AST nodes that match the
3606provided matcher.
3607
3608Example matches X, Y, Z
3609 (matcher = cxxRecordDecl(hasDescendant(cxxRecordDecl(hasName("X")))))
3610 class X {}; Matches X, because X::X is a class of name X inside X.
3611 class Y { class X {}; };
3612 class Z { class Y { class X {}; }; };
3613
3614DescendantT must be an AST base type.
3615
3616Usable as: Any Matcher
3617</pre></td></tr>
3618
3619
3620<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('has0')"><a name="has0Anchor">has</a></td><td>Matcher&lt;*&gt;</td></tr>
3621<tr><td colspan="4" class="doc" id="has0"><pre>Matches AST nodes that have child AST nodes that match the
3622provided matcher.
3623
3624Example matches X, Y
3625 (matcher = cxxRecordDecl(has(cxxRecordDecl(hasName("X")))
3626 class X {}; Matches X, because X::X is a class of name X inside X.
3627 class Y { class X {}; };
3628 class Z { class Y { class X {}; }; }; Does not match Z.
3629
3630ChildT must be an AST base type.
3631
3632Usable as: Any Matcher
Aaron Ballmanba8dbbe2016-06-06 18:52:17 +00003633Note that has is direct matcher, so it also matches things like implicit
3634casts and paren casts. If you are matching with expr then you should
3635probably consider using ignoringParenImpCasts like:
3636has(ignoringParenImpCasts(expr())).
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003637</pre></td></tr>
3638
3639
3640<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('hasParent0')"><a name="hasParent0Anchor">hasParent</a></td><td>Matcher&lt;*&gt;</td></tr>
3641<tr><td colspan="4" class="doc" id="hasParent0"><pre>Matches AST nodes that have a parent that matches the provided
3642matcher.
3643
3644Given
3645void f() { for (;;) { int x = 42; if (true) { int x = 43; } } }
3646compoundStmt(hasParent(ifStmt())) matches "{ int x = 43; }".
3647
3648Usable as: Any Matcher
3649</pre></td></tr>
3650
3651
Etienne Bergeron5500f952016-05-30 15:25:25 +00003652<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AbstractConditionalOperator.html">AbstractConditionalOperator</a>&gt;</td><td class="name" onclick="toggle('hasCondition5')"><a name="hasCondition5Anchor">hasCondition</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
3653<tr><td colspan="4" class="doc" id="hasCondition5"><pre>Matches the condition expression of an if statement, for loop,
3654switch statement or conditional operator.
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00003655
3656Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
3657 if (true) {}
3658</pre></td></tr>
3659
3660
3661<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AbstractConditionalOperator.html">AbstractConditionalOperator</a>&gt;</td><td class="name" onclick="toggle('hasFalseExpression0')"><a name="hasFalseExpression0Anchor">hasFalseExpression</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
3662<tr><td colspan="4" class="doc" id="hasFalseExpression0"><pre>Matches the false branch expression of a conditional operator
3663(binary or ternary).
3664
3665Example matches b
3666 condition ? a : b
3667 condition ?: b
3668</pre></td></tr>
3669
3670
3671<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AbstractConditionalOperator.html">AbstractConditionalOperator</a>&gt;</td><td class="name" onclick="toggle('hasTrueExpression0')"><a name="hasTrueExpression0Anchor">hasTrueExpression</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
3672<tr><td colspan="4" class="doc" id="hasTrueExpression0"><pre>Matches the true branch expression of a conditional operator.
3673
3674Example 1 (conditional ternary operator): matches a
3675 condition ? a : b
3676
3677Example 2 (conditional binary operator): matches opaqueValueExpr(condition)
3678 condition ?: b
3679</pre></td></tr>
3680
3681
3682<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;</td><td class="name" onclick="toggle('hasDeclaration8')"><a name="hasDeclaration8Anchor">hasDeclaration</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
3683<tr><td colspan="4" class="doc" id="hasDeclaration8"><pre>Matches a node if the declaration associated with that node
3684matches the given matcher.
3685
3686The associated declaration is:
3687- for type nodes, the declaration of the underlying type
3688- for CallExpr, the declaration of the callee
3689- for MemberExpr, the declaration of the referenced member
3690- for CXXConstructExpr, the declaration of the constructor
3691
3692Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
3693function. e.g. various subtypes of clang::Type and various expressions.
3694
3695Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;,
3696 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;,
3697 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;,
3698 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>&gt;,
3699 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;,
3700 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>&gt;
3701</pre></td></tr>
3702
3703
Aaron Ballman672dde22016-01-22 23:15:00 +00003704<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ArraySubscriptExpr.html">ArraySubscriptExpr</a>&gt;</td><td class="name" onclick="toggle('hasBase0')"><a name="hasBase0Anchor">hasBase</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003705<tr><td colspan="4" class="doc" id="hasBase0"><pre>Matches the base expression of an array subscript expression.
3706
3707Given
3708 int i[5];
3709 void f() { i[1] = 42; }
3710arraySubscriptExpression(hasBase(implicitCastExpr(
3711 hasSourceExpression(declRefExpr()))))
3712 matches i[1] with the declRefExpr() matching i
3713</pre></td></tr>
3714
3715
Aaron Ballman672dde22016-01-22 23:15:00 +00003716<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ArraySubscriptExpr.html">ArraySubscriptExpr</a>&gt;</td><td class="name" onclick="toggle('hasIndex0')"><a name="hasIndex0Anchor">hasIndex</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003717<tr><td colspan="4" class="doc" id="hasIndex0"><pre>Matches the index expression of an array subscript expression.
3718
3719Given
3720 int i[5];
3721 void f() { i[1] = 42; }
3722arraySubscriptExpression(hasIndex(integerLiteral()))
3723 matches i[1] with the integerLiteral() matching 1
3724</pre></td></tr>
3725
3726
Aaron Ballman672dde22016-01-22 23:15:00 +00003727<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ArraySubscriptExpr.html">ArraySubscriptExpr</a>&gt;</td><td class="name" onclick="toggle('hasLHS1')"><a name="hasLHS1Anchor">hasLHS</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003728<tr><td colspan="4" class="doc" id="hasLHS1"><pre>Matches the left hand side of binary operator expressions.
3729
3730Example matches a (matcher = binaryOperator(hasLHS()))
3731 a || b
3732</pre></td></tr>
3733
3734
Aaron Ballman672dde22016-01-22 23:15:00 +00003735<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ArraySubscriptExpr.html">ArraySubscriptExpr</a>&gt;</td><td class="name" onclick="toggle('hasRHS1')"><a name="hasRHS1Anchor">hasRHS</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003736<tr><td colspan="4" class="doc" id="hasRHS1"><pre>Matches the right hand side of binary operator expressions.
3737
3738Example matches b (matcher = binaryOperator(hasRHS()))
3739 a || b
3740</pre></td></tr>
3741
3742
Aaron Ballman672dde22016-01-22 23:15:00 +00003743<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ArrayTypeLoc.html">ArrayTypeLoc</a>&gt;</td><td class="name" onclick="toggle('hasElementTypeLoc0')"><a name="hasElementTypeLoc0Anchor">hasElementTypeLoc</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003744<tr><td colspan="4" class="doc" id="hasElementTypeLoc0"><pre>Matches arrays and C99 complex types that have a specific element
3745type.
3746
3747Given
3748 struct A {};
3749 A a[7];
3750 int b[7];
3751arrayType(hasElementType(builtinType()))
3752 matches "int b[7]"
3753
Aaron Ballman672dde22016-01-22 23:15:00 +00003754Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ArrayType.html">ArrayType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ComplexType.html">ComplexType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003755</pre></td></tr>
3756
3757
Aaron Ballman672dde22016-01-22 23:15:00 +00003758<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ArrayType.html">ArrayType</a>&gt;</td><td class="name" onclick="toggle('hasElementType0')"><a name="hasElementType0Anchor">hasElementType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003759<tr><td colspan="4" class="doc" id="hasElementType0"><pre>Matches arrays and C99 complex types that have a specific element
3760type.
3761
3762Given
3763 struct A {};
3764 A a[7];
3765 int b[7];
3766arrayType(hasElementType(builtinType()))
3767 matches "int b[7]"
3768
Aaron Ballman672dde22016-01-22 23:15:00 +00003769Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ArrayType.html">ArrayType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ComplexType.html">ComplexType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003770</pre></td></tr>
3771
3772
Aaron Ballman672dde22016-01-22 23:15:00 +00003773<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AtomicTypeLoc.html">AtomicTypeLoc</a>&gt;</td><td class="name" onclick="toggle('hasValueTypeLoc0')"><a name="hasValueTypeLoc0Anchor">hasValueTypeLoc</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003774<tr><td colspan="4" class="doc" id="hasValueTypeLoc0"><pre>Matches atomic types with a specific value type.
3775
3776Given
3777 _Atomic(int) i;
3778 _Atomic(float) f;
3779atomicType(hasValueType(isInteger()))
3780 matches "_Atomic(int) i"
3781
Aaron Ballman672dde22016-01-22 23:15:00 +00003782Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AtomicType.html">AtomicType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003783</pre></td></tr>
3784
3785
Aaron Ballman672dde22016-01-22 23:15:00 +00003786<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AtomicType.html">AtomicType</a>&gt;</td><td class="name" onclick="toggle('hasValueType0')"><a name="hasValueType0Anchor">hasValueType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003787<tr><td colspan="4" class="doc" id="hasValueType0"><pre>Matches atomic types with a specific value type.
3788
3789Given
3790 _Atomic(int) i;
3791 _Atomic(float) f;
3792atomicType(hasValueType(isInteger()))
3793 matches "_Atomic(int) i"
3794
Aaron Ballman672dde22016-01-22 23:15:00 +00003795Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AtomicType.html">AtomicType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003796</pre></td></tr>
3797
3798
Aaron Ballman672dde22016-01-22 23:15:00 +00003799<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AutoType.html">AutoType</a>&gt;</td><td class="name" onclick="toggle('hasDeducedType0')"><a name="hasDeducedType0Anchor">hasDeducedType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003800<tr><td colspan="4" class="doc" id="hasDeducedType0"><pre>Matches AutoType nodes where the deduced type is a specific type.
3801
3802Note: There is no TypeLoc for the deduced type and thus no
3803getDeducedLoc() matcher.
3804
3805Given
3806 auto a = 1;
3807 auto b = 2.0;
3808autoType(hasDeducedType(isInteger()))
3809 matches "auto a"
3810
Aaron Ballman672dde22016-01-22 23:15:00 +00003811Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AutoType.html">AutoType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003812</pre></td></tr>
3813
3814
Aaron Ballman672dde22016-01-22 23:15:00 +00003815<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BinaryOperator.html">BinaryOperator</a>&gt;</td><td class="name" onclick="toggle('hasEitherOperand0')"><a name="hasEitherOperand0Anchor">hasEitherOperand</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003816<tr><td colspan="4" class="doc" id="hasEitherOperand0"><pre>Matches if either the left hand side or the right hand side of a
3817binary operator matches.
3818</pre></td></tr>
3819
3820
Aaron Ballman672dde22016-01-22 23:15:00 +00003821<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BinaryOperator.html">BinaryOperator</a>&gt;</td><td class="name" onclick="toggle('hasLHS0')"><a name="hasLHS0Anchor">hasLHS</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003822<tr><td colspan="4" class="doc" id="hasLHS0"><pre>Matches the left hand side of binary operator expressions.
3823
3824Example matches a (matcher = binaryOperator(hasLHS()))
3825 a || b
3826</pre></td></tr>
3827
3828
Aaron Ballman672dde22016-01-22 23:15:00 +00003829<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BinaryOperator.html">BinaryOperator</a>&gt;</td><td class="name" onclick="toggle('hasRHS0')"><a name="hasRHS0Anchor">hasRHS</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003830<tr><td colspan="4" class="doc" id="hasRHS0"><pre>Matches the right hand side of binary operator expressions.
3831
3832Example matches b (matcher = binaryOperator(hasRHS()))
3833 a || b
3834</pre></td></tr>
3835
3836
Aaron Ballman672dde22016-01-22 23:15:00 +00003837<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerTypeLoc.html">BlockPointerTypeLoc</a>&gt;</td><td class="name" onclick="toggle('pointeeLoc0')"><a name="pointeeLoc0Anchor">pointeeLoc</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003838<tr><td colspan="4" class="doc" id="pointeeLoc0"><pre>Narrows PointerType (and similar) matchers to those where the
3839pointee matches a given matcher.
3840
3841Given
3842 int *a;
3843 int const *b;
3844 float const *f;
3845pointerType(pointee(isConstQualified(), isInteger()))
3846 matches "int const *b"
3847
Aaron Ballman672dde22016-01-22 23:15:00 +00003848Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>&gt;,
3849 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003850</pre></td></tr>
3851
3852
Aaron Ballman672dde22016-01-22 23:15:00 +00003853<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>&gt;</td><td class="name" onclick="toggle('pointee0')"><a name="pointee0Anchor">pointee</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003854<tr><td colspan="4" class="doc" id="pointee0"><pre>Narrows PointerType (and similar) matchers to those where the
3855pointee matches a given matcher.
3856
3857Given
3858 int *a;
3859 int const *b;
3860 float const *f;
3861pointerType(pointee(isConstQualified(), isInteger()))
3862 matches "int const *b"
3863
Aaron Ballman672dde22016-01-22 23:15:00 +00003864Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>&gt;,
3865 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003866</pre></td></tr>
3867
3868
Aaron Ballman672dde22016-01-22 23:15:00 +00003869<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;</td><td class="name" onclick="toggle('forEachArgumentWithParam1')"><a name="forEachArgumentWithParam1Anchor">forEachArgumentWithParam</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; ArgMatcher, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>&gt; ParamMatcher</td></tr>
Aaron Ballmand7b18b92016-01-18 20:28:57 +00003870<tr><td colspan="4" class="doc" id="forEachArgumentWithParam1"><pre>Matches all arguments and their respective ParmVarDecl.
3871
3872Given
3873 void f(int i);
3874 int y;
3875 f(y);
Clement Courbet42517592016-07-12 06:36:00 +00003876callExpr(
3877 forEachArgumentWithParam(
3878 declRefExpr(to(varDecl(hasName("y")))),
3879 parmVarDecl(hasType(isInteger()))
3880))
Aaron Ballmand7b18b92016-01-18 20:28:57 +00003881 matches f(y);
3882with declRefExpr(...)
3883 matching int y
3884and parmVarDecl(...)
3885 matching int i
3886</pre></td></tr>
3887
3888
Aaron Ballman672dde22016-01-22 23:15:00 +00003889<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;</td><td class="name" onclick="toggle('hasAnyArgument1')"><a name="hasAnyArgument1Anchor">hasAnyArgument</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003890<tr><td colspan="4" class="doc" id="hasAnyArgument1"><pre>Matches any argument of a call expression or a constructor call
3891expression.
3892
3893Given
3894 void x(int, int, int) { int y; x(1, y, 42); }
3895callExpr(hasAnyArgument(declRefExpr()))
3896 matches x(1, y, 42)
3897with hasAnyArgument(...)
3898 matching y
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003899</pre></td></tr>
3900
3901
Aaron Ballman672dde22016-01-22 23:15:00 +00003902<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;</td><td class="name" onclick="toggle('hasArgument1')"><a name="hasArgument1Anchor">hasArgument</a></td><td>unsigned N, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003903<tr><td colspan="4" class="doc" id="hasArgument1"><pre>Matches the n'th argument of a call expression or a constructor
3904call expression.
3905
3906Example matches y in x(y)
3907 (matcher = callExpr(hasArgument(0, declRefExpr())))
3908 void x(int) { int y; x(y); }
3909</pre></td></tr>
3910
3911
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00003912<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;</td><td class="name" onclick="toggle('hasDeclaration13')"><a name="hasDeclaration13Anchor">hasDeclaration</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
3913<tr><td colspan="4" class="doc" id="hasDeclaration13"><pre>Matches a node if the declaration associated with that node
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003914matches the given matcher.
3915
3916The associated declaration is:
3917- for type nodes, the declaration of the underlying type
3918- for CallExpr, the declaration of the callee
3919- for MemberExpr, the declaration of the referenced member
3920- for CXXConstructExpr, the declaration of the constructor
3921
3922Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
3923function. e.g. various subtypes of clang::Type and various expressions.
3924
Aaron Ballman672dde22016-01-22 23:15:00 +00003925Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;,
3926 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;,
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00003927 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;,
3928 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>&gt;,
Aaron Ballman672dde22016-01-22 23:15:00 +00003929 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;,
3930 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003931</pre></td></tr>
3932
3933
Aaron Ballman672dde22016-01-22 23:15:00 +00003934<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>&gt;</td><td class="name" onclick="toggle('forEachConstructorInitializer0')"><a name="forEachConstructorInitializer0Anchor">forEachConstructorInitializer</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003935<tr><td colspan="4" class="doc" id="forEachConstructorInitializer0"><pre>Matches each constructor initializer in a constructor definition.
3936
3937Given
3938 class A { A() : i(42), j(42) {} int i; int j; };
3939cxxConstructorDecl(forEachConstructorInitializer(
3940 forField(decl().bind("x"))
3941))
3942 will trigger two matches, binding for 'i' and 'j' respectively.
3943</pre></td></tr>
3944
3945
Aaron Ballman672dde22016-01-22 23:15:00 +00003946<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructorDecl.html">CXXConstructorDecl</a>&gt;</td><td class="name" onclick="toggle('hasAnyConstructorInitializer0')"><a name="hasAnyConstructorInitializer0Anchor">hasAnyConstructorInitializer</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003947<tr><td colspan="4" class="doc" id="hasAnyConstructorInitializer0"><pre>Matches a constructor initializer.
3948
3949Given
3950 struct Foo {
3951 Foo() : foo_(1) { }
3952 int foo_;
3953 };
3954cxxRecordDecl(has(cxxConstructorDecl(
3955 hasAnyConstructorInitializer(anything())
3956)))
3957 record matches Foo, hasAnyConstructorInitializer matches foo_(1)
3958</pre></td></tr>
3959
3960
Aaron Ballman672dde22016-01-22 23:15:00 +00003961<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>&gt;</td><td class="name" onclick="toggle('forField0')"><a name="forField0Anchor">forField</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FieldDecl.html">FieldDecl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003962<tr><td colspan="4" class="doc" id="forField0"><pre>Matches the field declaration of a constructor initializer.
3963
3964Given
3965 struct Foo {
3966 Foo() : foo_(1) { }
3967 int foo_;
3968 };
3969cxxRecordDecl(has(cxxConstructorDecl(hasAnyConstructorInitializer(
3970 forField(hasName("foo_"))))))
3971 matches Foo
3972with forField matching foo_
3973</pre></td></tr>
3974
3975
Aaron Ballman672dde22016-01-22 23:15:00 +00003976<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXCtorInitializer.html">CXXCtorInitializer</a>&gt;</td><td class="name" onclick="toggle('withInitializer0')"><a name="withInitializer0Anchor">withInitializer</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003977<tr><td colspan="4" class="doc" id="withInitializer0"><pre>Matches the initializer expression of a constructor initializer.
3978
3979Given
3980 struct Foo {
3981 Foo() : foo_(1) { }
3982 int foo_;
3983 };
3984cxxRecordDecl(has(cxxConstructorDecl(hasAnyConstructorInitializer(
3985 withInitializer(integerLiteral(equals(1)))))))
3986 matches Foo
3987with withInitializer matching (1)
3988</pre></td></tr>
3989
3990
Aaron Ballman672dde22016-01-22 23:15:00 +00003991<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXForRangeStmt.html">CXXForRangeStmt</a>&gt;</td><td class="name" onclick="toggle('hasBody3')"><a name="hasBody3Anchor">hasBody</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt; InnerMatcher</td></tr>
Aaron Ballman2b6963f2016-01-20 16:26:48 +00003992<tr><td colspan="4" class="doc" id="hasBody3"><pre>Matches a 'for', 'while', 'do while' statement or a function
3993definition that has a given body.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003994
3995Given
3996 for (;;) {}
3997hasBody(compoundStmt())
3998 matches 'for (;;) {}'
3999with compoundStmt()
4000 matching '{}'
4001</pre></td></tr>
4002
4003
Aaron Ballman672dde22016-01-22 23:15:00 +00004004<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXForRangeStmt.html">CXXForRangeStmt</a>&gt;</td><td class="name" onclick="toggle('hasLoopVariable0')"><a name="hasLoopVariable0Anchor">hasLoopVariable</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004005<tr><td colspan="4" class="doc" id="hasLoopVariable0"><pre>Matches the initialization statement of a for loop.
4006
4007Example:
4008 forStmt(hasLoopVariable(anything()))
4009matches 'int x' in
4010 for (int x : a) { }
4011</pre></td></tr>
4012
4013
Aaron Ballman672dde22016-01-22 23:15:00 +00004014<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXForRangeStmt.html">CXXForRangeStmt</a>&gt;</td><td class="name" onclick="toggle('hasRangeInit0')"><a name="hasRangeInit0Anchor">hasRangeInit</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004015<tr><td colspan="4" class="doc" id="hasRangeInit0"><pre>Matches the range initialization statement of a for loop.
4016
4017Example:
4018 forStmt(hasRangeInit(anything()))
4019matches 'a' in
4020 for (int x : a) { }
4021</pre></td></tr>
4022
4023
Aaron Ballman672dde22016-01-22 23:15:00 +00004024<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMemberCallExpr.html">CXXMemberCallExpr</a>&gt;</td><td class="name" onclick="toggle('onImplicitObjectArgument0')"><a name="onImplicitObjectArgument0Anchor">onImplicitObjectArgument</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004025<tr><td colspan="4" class="doc" id="onImplicitObjectArgument0"><pre></pre></td></tr>
4026
4027
Aaron Ballman672dde22016-01-22 23:15:00 +00004028<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMemberCallExpr.html">CXXMemberCallExpr</a>&gt;</td><td class="name" onclick="toggle('on0')"><a name="on0Anchor">on</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004029<tr><td colspan="4" class="doc" id="on0"><pre>Matches on the implicit object argument of a member call expression.
4030
4031Example matches y.x()
4032 (matcher = cxxMemberCallExpr(on(hasType(cxxRecordDecl(hasName("Y"))))))
4033 class Y { public: void x(); };
4034 void z() { Y y; y.x(); }",
4035
4036FIXME: Overload to allow directly matching types?
4037</pre></td></tr>
4038
4039
Aaron Ballman672dde22016-01-22 23:15:00 +00004040<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMemberCallExpr.html">CXXMemberCallExpr</a>&gt;</td><td class="name" onclick="toggle('thisPointerType1')"><a name="thisPointerType1Anchor">thisPointerType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004041<tr><td colspan="4" class="doc" id="thisPointerType1"><pre>Overloaded to match the type's declaration.
4042</pre></td></tr>
4043
4044
Aaron Ballman672dde22016-01-22 23:15:00 +00004045<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMemberCallExpr.html">CXXMemberCallExpr</a>&gt;</td><td class="name" onclick="toggle('thisPointerType0')"><a name="thisPointerType0Anchor">thisPointerType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004046<tr><td colspan="4" class="doc" id="thisPointerType0"><pre>Matches if the expression's type either matches the specified
4047matcher, or is a pointer to a type that matches the InnerMatcher.
4048</pre></td></tr>
4049
4050
Clement Courbet6ecaec82016-07-05 07:49:31 +00004051<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>&gt;</td><td class="name" onclick="toggle('forEachOverridden0')"><a name="forEachOverridden0Anchor">forEachOverridden</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>&gt; InnerMatcher</td></tr>
4052<tr><td colspan="4" class="doc" id="forEachOverridden0"><pre>Matches each method overriden by the given method. This matcher may
4053produce multiple matches.
4054
4055Given
4056 class A { virtual void f(); };
4057 class B : public A { void f(); };
4058 class C : public B { void f(); };
4059cxxMethodDecl(ofClass(hasName("C")),
4060 forEachOverridden(cxxMethodDecl().bind("b"))).bind("d")
4061 matches once, with "b" binding "A::f" and "d" binding "C::f" (Note
4062 that B::f is not overridden by C::f).
4063
4064The check can produce multiple matches in case of multiple inheritance, e.g.
4065 class A1 { virtual void f(); };
4066 class A2 { virtual void f(); };
4067 class C : public A1, public A2 { void f(); };
4068cxxMethodDecl(ofClass(hasName("C")),
4069 forEachOverridden(cxxMethodDecl().bind("b"))).bind("d")
4070 matches twice, once with "b" binding "A1::f" and "d" binding "C::f", and
4071 once with "b" binding "A2::f" and "d" binding "C::f".
4072</pre></td></tr>
4073
4074
Aaron Ballman672dde22016-01-22 23:15:00 +00004075<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>&gt;</td><td class="name" onclick="toggle('ofClass0')"><a name="ofClass0Anchor">ofClass</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004076<tr><td colspan="4" class="doc" id="ofClass0"><pre>Matches the class declaration that the given method declaration
4077belongs to.
4078
4079FIXME: Generalize this for other kinds of declarations.
4080FIXME: What other kind of declarations would we need to generalize
4081this to?
4082
4083Example matches A() in the last line
4084 (matcher = cxxConstructExpr(hasDeclaration(cxxMethodDecl(
4085 ofClass(hasName("A"))))))
4086 class A {
4087 public:
4088 A();
4089 };
4090 A a = A();
4091</pre></td></tr>
4092
4093
Aaron Ballman672dde22016-01-22 23:15:00 +00004094<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt;</td><td class="name" onclick="toggle('hasMethod0')"><a name="hasMethod0Anchor">hasMethod</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXMethodDecl.html">CXXMethodDecl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004095<tr><td colspan="4" class="doc" id="hasMethod0"><pre>Matches the first method of a class or struct that satisfies InnerMatcher.
4096
4097Given:
4098 class A { void func(); };
4099 class B { void member(); };
4100
4101cxxRecordDecl(hasMethod(hasName("func"))) matches the declaration of
4102A but not B.
4103</pre></td></tr>
4104
4105
Aaron Ballman672dde22016-01-22 23:15:00 +00004106<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt;</td><td class="name" onclick="toggle('isDerivedFrom0')"><a name="isDerivedFrom0Anchor">isDerivedFrom</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>&gt; Base</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004107<tr><td colspan="4" class="doc" id="isDerivedFrom0"><pre>Matches C++ classes that are directly or indirectly derived from
4108a class matching Base.
4109
4110Note that a class is not considered to be derived from itself.
4111
4112Example matches Y, Z, C (Base == hasName("X"))
4113 class X;
4114 class Y : public X {}; directly derived
4115 class Z : public Y {}; indirectly derived
4116 typedef X A;
4117 typedef A B;
4118 class C : public B {}; derived from a typedef of X
4119
4120In the following example, Bar matches isDerivedFrom(hasName("X")):
4121 class Foo;
4122 typedef Foo X;
4123 class Bar : public Foo {}; derived from a type that X is a typedef of
4124</pre></td></tr>
4125
4126
Aaron Ballman672dde22016-01-22 23:15:00 +00004127<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXRecordDecl.html">CXXRecordDecl</a>&gt;</td><td class="name" onclick="toggle('isSameOrDerivedFrom0')"><a name="isSameOrDerivedFrom0Anchor">isSameOrDerivedFrom</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>&gt; Base</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004128<tr><td colspan="4" class="doc" id="isSameOrDerivedFrom0"><pre>Similar to isDerivedFrom(), but also matches classes that directly
4129match Base.
4130</pre></td></tr>
4131
4132
Aaron Ballman672dde22016-01-22 23:15:00 +00004133<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;</td><td class="name" onclick="toggle('callee1')"><a name="callee1Anchor">callee</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004134<tr><td colspan="4" class="doc" id="callee1"><pre>Matches if the call expression's callee's declaration matches the
4135given matcher.
4136
4137Example matches y.x() (matcher = callExpr(callee(
4138 cxxMethodDecl(hasName("x")))))
4139 class Y { public: void x(); };
4140 void z() { Y y; y.x(); }
4141</pre></td></tr>
4142
4143
Aaron Ballman672dde22016-01-22 23:15:00 +00004144<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;</td><td class="name" onclick="toggle('callee0')"><a name="callee0Anchor">callee</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004145<tr><td colspan="4" class="doc" id="callee0"><pre>Matches if the call expression's callee expression matches.
4146
4147Given
4148 class Y { void x() { this-&gt;x(); x(); Y y; y.x(); } };
4149 void f() { f(); }
4150callExpr(callee(expr()))
4151 matches this-&gt;x(), x(), y.x(), f()
4152with callee(...)
4153 matching this-&gt;x, x, y.x, f respectively
4154
Aaron Ballman672dde22016-01-22 23:15:00 +00004155Note: Callee cannot take the more general internal::Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004156because this introduces ambiguous overloads with calls to Callee taking a
Aaron Ballman672dde22016-01-22 23:15:00 +00004157internal::Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;, as the matcher hierarchy is purely
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004158implemented in terms of implicit casts.
4159</pre></td></tr>
4160
4161
Aaron Ballman672dde22016-01-22 23:15:00 +00004162<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;</td><td class="name" onclick="toggle('forEachArgumentWithParam0')"><a name="forEachArgumentWithParam0Anchor">forEachArgumentWithParam</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; ArgMatcher, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>&gt; ParamMatcher</td></tr>
Aaron Ballmand7b18b92016-01-18 20:28:57 +00004163<tr><td colspan="4" class="doc" id="forEachArgumentWithParam0"><pre>Matches all arguments and their respective ParmVarDecl.
4164
4165Given
4166 void f(int i);
4167 int y;
4168 f(y);
Clement Courbet42517592016-07-12 06:36:00 +00004169callExpr(
4170 forEachArgumentWithParam(
4171 declRefExpr(to(varDecl(hasName("y")))),
4172 parmVarDecl(hasType(isInteger()))
4173))
Aaron Ballmand7b18b92016-01-18 20:28:57 +00004174 matches f(y);
4175with declRefExpr(...)
4176 matching int y
4177and parmVarDecl(...)
4178 matching int i
4179</pre></td></tr>
4180
4181
Aaron Ballman672dde22016-01-22 23:15:00 +00004182<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;</td><td class="name" onclick="toggle('hasAnyArgument0')"><a name="hasAnyArgument0Anchor">hasAnyArgument</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004183<tr><td colspan="4" class="doc" id="hasAnyArgument0"><pre>Matches any argument of a call expression or a constructor call
4184expression.
4185
4186Given
4187 void x(int, int, int) { int y; x(1, y, 42); }
4188callExpr(hasAnyArgument(declRefExpr()))
4189 matches x(1, y, 42)
4190with hasAnyArgument(...)
4191 matching y
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004192</pre></td></tr>
4193
4194
Aaron Ballman672dde22016-01-22 23:15:00 +00004195<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;</td><td class="name" onclick="toggle('hasArgument0')"><a name="hasArgument0Anchor">hasArgument</a></td><td>unsigned N, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004196<tr><td colspan="4" class="doc" id="hasArgument0"><pre>Matches the n'th argument of a call expression or a constructor
4197call expression.
4198
4199Example matches y in x(y)
4200 (matcher = callExpr(hasArgument(0, declRefExpr())))
4201 void x(int) { int y; x(y); }
4202</pre></td></tr>
4203
4204
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004205<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;</td><td class="name" onclick="toggle('hasDeclaration14')"><a name="hasDeclaration14Anchor">hasDeclaration</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
4206<tr><td colspan="4" class="doc" id="hasDeclaration14"><pre>Matches a node if the declaration associated with that node
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004207matches the given matcher.
4208
4209The associated declaration is:
4210- for type nodes, the declaration of the underlying type
4211- for CallExpr, the declaration of the callee
4212- for MemberExpr, the declaration of the referenced member
4213- for CXXConstructExpr, the declaration of the constructor
4214
4215Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
4216function. e.g. various subtypes of clang::Type and various expressions.
4217
Aaron Ballman672dde22016-01-22 23:15:00 +00004218Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;,
4219 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;,
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004220 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;,
4221 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>&gt;,
Aaron Ballman672dde22016-01-22 23:15:00 +00004222 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;,
4223 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004224</pre></td></tr>
4225
4226
Aaron Ballman672dde22016-01-22 23:15:00 +00004227<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CaseStmt.html">CaseStmt</a>&gt;</td><td class="name" onclick="toggle('hasCaseConstant0')"><a name="hasCaseConstant0Anchor">hasCaseConstant</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004228<tr><td colspan="4" class="doc" id="hasCaseConstant0"><pre>If the given case statement does not use the GNU case range
4229extension, matches the constant given in the statement.
4230
4231Given
4232 switch (1) { case 1: case 1+1: case 3 ... 4: ; }
4233caseStmt(hasCaseConstant(integerLiteral()))
4234 matches "case 1:"
4235</pre></td></tr>
4236
4237
Aaron Ballman672dde22016-01-22 23:15:00 +00004238<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CastExpr.html">CastExpr</a>&gt;</td><td class="name" onclick="toggle('hasSourceExpression0')"><a name="hasSourceExpression0Anchor">hasSourceExpression</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004239<tr><td colspan="4" class="doc" id="hasSourceExpression0"><pre></pre></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004240
4241
Aaron Ballman672dde22016-01-22 23:15:00 +00004242<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ClassTemplateSpecializationDecl.html">ClassTemplateSpecializationDecl</a>&gt;</td><td class="name" onclick="toggle('hasAnyTemplateArgument0')"><a name="hasAnyTemplateArgument0Anchor">hasAnyTemplateArgument</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004243<tr><td colspan="4" class="doc" id="hasAnyTemplateArgument0"><pre>Matches classTemplateSpecializations that have at least one
4244TemplateArgument matching the given InnerMatcher.
4245
4246Given
4247 template&lt;typename T&gt; class A {};
4248 template&lt;&gt; class A&lt;double&gt; {};
4249 A&lt;int&gt; a;
4250classTemplateSpecializationDecl(hasAnyTemplateArgument(
4251 refersToType(asString("int"))))
4252 matches the specialization A&lt;int&gt;
4253</pre></td></tr>
4254
4255
Aaron Ballman672dde22016-01-22 23:15:00 +00004256<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ClassTemplateSpecializationDecl.html">ClassTemplateSpecializationDecl</a>&gt;</td><td class="name" onclick="toggle('hasTemplateArgument0')"><a name="hasTemplateArgument0Anchor">hasTemplateArgument</a></td><td>unsigned N, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004257<tr><td colspan="4" class="doc" id="hasTemplateArgument0"><pre>Matches classTemplateSpecializations where the n'th TemplateArgument
4258matches the given InnerMatcher.
4259
4260Given
4261 template&lt;typename T, typename U&gt; class A {};
4262 A&lt;bool, int&gt; b;
4263 A&lt;int, bool&gt; c;
4264classTemplateSpecializationDecl(hasTemplateArgument(
4265 1, refersToType(asString("int"))))
4266 matches the specialization A&lt;bool, int&gt;
4267</pre></td></tr>
4268
4269
Aaron Ballman672dde22016-01-22 23:15:00 +00004270<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ComplexTypeLoc.html">ComplexTypeLoc</a>&gt;</td><td class="name" onclick="toggle('hasElementTypeLoc1')"><a name="hasElementTypeLoc1Anchor">hasElementTypeLoc</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004271<tr><td colspan="4" class="doc" id="hasElementTypeLoc1"><pre>Matches arrays and C99 complex types that have a specific element
4272type.
4273
4274Given
4275 struct A {};
4276 A a[7];
4277 int b[7];
4278arrayType(hasElementType(builtinType()))
4279 matches "int b[7]"
4280
Aaron Ballman672dde22016-01-22 23:15:00 +00004281Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ArrayType.html">ArrayType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ComplexType.html">ComplexType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004282</pre></td></tr>
4283
4284
Aaron Ballman672dde22016-01-22 23:15:00 +00004285<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ComplexType.html">ComplexType</a>&gt;</td><td class="name" onclick="toggle('hasElementType1')"><a name="hasElementType1Anchor">hasElementType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004286<tr><td colspan="4" class="doc" id="hasElementType1"><pre>Matches arrays and C99 complex types that have a specific element
4287type.
4288
4289Given
4290 struct A {};
4291 A a[7];
4292 int b[7];
4293arrayType(hasElementType(builtinType()))
4294 matches "int b[7]"
4295
Aaron Ballman672dde22016-01-22 23:15:00 +00004296Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ArrayType.html">ArrayType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ComplexType.html">ComplexType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004297</pre></td></tr>
4298
4299
Aaron Ballman672dde22016-01-22 23:15:00 +00004300<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CompoundStmt.html">CompoundStmt</a>&gt;</td><td class="name" onclick="toggle('hasAnySubstatement0')"><a name="hasAnySubstatement0Anchor">hasAnySubstatement</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004301<tr><td colspan="4" class="doc" id="hasAnySubstatement0"><pre>Matches compound statements where at least one substatement matches
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004302a given matcher. Also matches StmtExprs that have CompoundStmt as children.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004303
4304Given
4305 { {}; 1+2; }
4306hasAnySubstatement(compoundStmt())
4307 matches '{ {}; 1+2; }'
4308with compoundStmt()
4309 matching '{}'
4310</pre></td></tr>
4311
4312
Aaron Ballman672dde22016-01-22 23:15:00 +00004313<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DecayedType.html">DecayedType</a>&gt;</td><td class="name" onclick="toggle('hasDecayedType0')"><a name="hasDecayedType0Anchor">hasDecayedType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerType</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004314<tr><td colspan="4" class="doc" id="hasDecayedType0"><pre>Matches the decayed type, whos decayed type matches InnerMatcher
4315</pre></td></tr>
4316
4317
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004318<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;</td><td class="name" onclick="toggle('hasDeclaration12')"><a name="hasDeclaration12Anchor">hasDeclaration</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
4319<tr><td colspan="4" class="doc" id="hasDeclaration12"><pre>Matches a node if the declaration associated with that node
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004320matches the given matcher.
4321
4322The associated declaration is:
4323- for type nodes, the declaration of the underlying type
4324- for CallExpr, the declaration of the callee
4325- for MemberExpr, the declaration of the referenced member
4326- for CXXConstructExpr, the declaration of the constructor
4327
4328Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
4329function. e.g. various subtypes of clang::Type and various expressions.
4330
Aaron Ballman672dde22016-01-22 23:15:00 +00004331Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;,
4332 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;,
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004333 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;,
4334 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>&gt;,
Aaron Ballman672dde22016-01-22 23:15:00 +00004335 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;,
4336 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004337</pre></td></tr>
4338
4339
Aaron Ballman672dde22016-01-22 23:15:00 +00004340<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;</td><td class="name" onclick="toggle('throughUsingDecl0')"><a name="throughUsingDecl0Anchor">throughUsingDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UsingShadowDecl.html">UsingShadowDecl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004341<tr><td colspan="4" class="doc" id="throughUsingDecl0"><pre>Matches a DeclRefExpr that refers to a declaration through a
4342specific using shadow declaration.
4343
4344Given
4345 namespace a { void f() {} }
4346 using a::f;
4347 void g() {
4348 f(); Matches this ..
4349 a::f(); .. but not this.
4350 }
4351declRefExpr(throughUsingDecl(anything()))
4352 matches f()
4353</pre></td></tr>
4354
4355
Aaron Ballman672dde22016-01-22 23:15:00 +00004356<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;</td><td class="name" onclick="toggle('to0')"><a name="to0Anchor">to</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004357<tr><td colspan="4" class="doc" id="to0"><pre>Matches a DeclRefExpr that refers to a declaration that matches the
4358specified matcher.
4359
4360Example matches x in if(x)
4361 (matcher = declRefExpr(to(varDecl(hasName("x")))))
4362 bool x;
4363 if (x) {}
4364</pre></td></tr>
4365
4366
Aaron Ballman672dde22016-01-22 23:15:00 +00004367<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclStmt.html">DeclStmt</a>&gt;</td><td class="name" onclick="toggle('containsDeclaration0')"><a name="containsDeclaration0Anchor">containsDeclaration</a></td><td>unsigned N, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004368<tr><td colspan="4" class="doc" id="containsDeclaration0"><pre>Matches the n'th declaration of a declaration statement.
4369
4370Note that this does not work for global declarations because the AST
4371breaks up multiple-declaration DeclStmt's into multiple single-declaration
4372DeclStmt's.
4373Example: Given non-global declarations
4374 int a, b = 0;
4375 int c;
4376 int d = 2, e;
4377declStmt(containsDeclaration(
4378 0, varDecl(hasInitializer(anything()))))
4379 matches only 'int d = 2, e;', and
4380declStmt(containsDeclaration(1, varDecl()))
4381 matches 'int a, b = 0' as well as 'int d = 2, e;'
4382 but 'int c;' is not matched.
4383</pre></td></tr>
4384
4385
Aaron Ballman672dde22016-01-22 23:15:00 +00004386<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclStmt.html">DeclStmt</a>&gt;</td><td class="name" onclick="toggle('hasSingleDecl0')"><a name="hasSingleDecl0Anchor">hasSingleDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004387<tr><td colspan="4" class="doc" id="hasSingleDecl0"><pre>Matches the Decl of a DeclStmt which has a single declaration.
4388
4389Given
4390 int a, b;
4391 int c;
4392declStmt(hasSingleDecl(anything()))
4393 matches 'int c;' but not 'int a, b;'.
4394</pre></td></tr>
4395
4396
Aaron Ballman672dde22016-01-22 23:15:00 +00004397<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclaratorDecl.html">DeclaratorDecl</a>&gt;</td><td class="name" onclick="toggle('hasTypeLoc0')"><a name="hasTypeLoc0Anchor">hasTypeLoc</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt; Inner</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004398<tr><td colspan="4" class="doc" id="hasTypeLoc0"><pre>Matches if the type location of the declarator decl's type matches
4399the inner matcher.
4400
4401Given
4402 int x;
4403declaratorDecl(hasTypeLoc(loc(asString("int"))))
4404 matches int x
4405</pre></td></tr>
4406
4407
Aaron Ballman672dde22016-01-22 23:15:00 +00004408<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('hasDeclContext0')"><a name="hasDeclContext0Anchor">hasDeclContext</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004409<tr><td colspan="4" class="doc" id="hasDeclContext0"><pre>Matches declarations whose declaration context, interpreted as a
4410Decl, matches InnerMatcher.
4411
4412Given
4413 namespace N {
4414 namespace M {
4415 class D {};
4416 }
4417 }
4418
4419cxxRcordDecl(hasDeclContext(namedDecl(hasName("M")))) matches the
4420declaration of class D.
4421</pre></td></tr>
4422
4423
Aaron Ballman672dde22016-01-22 23:15:00 +00004424<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DoStmt.html">DoStmt</a>&gt;</td><td class="name" onclick="toggle('hasBody0')"><a name="hasBody0Anchor">hasBody</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt; InnerMatcher</td></tr>
Aaron Ballman2b6963f2016-01-20 16:26:48 +00004425<tr><td colspan="4" class="doc" id="hasBody0"><pre>Matches a 'for', 'while', 'do while' statement or a function
4426definition that has a given body.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004427
4428Given
4429 for (;;) {}
4430hasBody(compoundStmt())
4431 matches 'for (;;) {}'
4432with compoundStmt()
4433 matching '{}'
4434</pre></td></tr>
4435
4436
Aaron Ballman672dde22016-01-22 23:15:00 +00004437<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DoStmt.html">DoStmt</a>&gt;</td><td class="name" onclick="toggle('hasCondition3')"><a name="hasCondition3Anchor">hasCondition</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004438<tr><td colspan="4" class="doc" id="hasCondition3"><pre>Matches the condition expression of an if statement, for loop,
Etienne Bergeron5500f952016-05-30 15:25:25 +00004439switch statement or conditional operator.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004440
4441Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
4442 if (true) {}
4443</pre></td></tr>
4444
4445
Aaron Ballman672dde22016-01-22 23:15:00 +00004446<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ElaboratedType.html">ElaboratedType</a>&gt;</td><td class="name" onclick="toggle('hasQualifier0')"><a name="hasQualifier0Anchor">hasQualifier</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004447<tr><td colspan="4" class="doc" id="hasQualifier0"><pre>Matches ElaboratedTypes whose qualifier, a NestedNameSpecifier,
4448matches InnerMatcher if the qualifier exists.
4449
4450Given
4451 namespace N {
4452 namespace M {
4453 class D {};
4454 }
4455 }
4456 N::M::D d;
4457
4458elaboratedType(hasQualifier(hasPrefix(specifiesNamespace(hasName("N"))))
4459matches the type of the variable declaration of d.
4460</pre></td></tr>
4461
4462
Aaron Ballman672dde22016-01-22 23:15:00 +00004463<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ElaboratedType.html">ElaboratedType</a>&gt;</td><td class="name" onclick="toggle('namesType0')"><a name="namesType0Anchor">namesType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004464<tr><td colspan="4" class="doc" id="namesType0"><pre>Matches ElaboratedTypes whose named type matches InnerMatcher.
4465
4466Given
4467 namespace N {
4468 namespace M {
4469 class D {};
4470 }
4471 }
4472 N::M::D d;
4473
4474elaboratedType(namesType(recordType(
4475hasDeclaration(namedDecl(hasName("D")))))) matches the type of the variable
4476declaration of d.
4477</pre></td></tr>
4478
4479
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004480<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;</td><td class="name" onclick="toggle('hasDeclaration11')"><a name="hasDeclaration11Anchor">hasDeclaration</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
4481<tr><td colspan="4" class="doc" id="hasDeclaration11"><pre>Matches a node if the declaration associated with that node
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004482matches the given matcher.
4483
4484The associated declaration is:
4485- for type nodes, the declaration of the underlying type
4486- for CallExpr, the declaration of the callee
4487- for MemberExpr, the declaration of the referenced member
4488- for CXXConstructExpr, the declaration of the constructor
4489
4490Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
4491function. e.g. various subtypes of clang::Type and various expressions.
4492
Aaron Ballman672dde22016-01-22 23:15:00 +00004493Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;,
4494 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;,
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004495 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;,
4496 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>&gt;,
Aaron Ballman672dde22016-01-22 23:15:00 +00004497 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;,
4498 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004499</pre></td></tr>
4500
4501
Aaron Ballman672dde22016-01-22 23:15:00 +00004502<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ExplicitCastExpr.html">ExplicitCastExpr</a>&gt;</td><td class="name" onclick="toggle('hasDestinationType0')"><a name="hasDestinationType0Anchor">hasDestinationType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004503<tr><td colspan="4" class="doc" id="hasDestinationType0"><pre>Matches casts whose destination type matches a given matcher.
4504
4505(Note: Clang's AST refers to other conversions as "casts" too, and calls
4506actual casts "explicit" casts.)
4507</pre></td></tr>
4508
4509
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00004510<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt;</td><td class="name" onclick="toggle('hasType3')"><a name="hasType3Anchor">hasType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
4511<tr><td colspan="4" class="doc" id="hasType3"><pre>Overloaded to match the declaration of the expression's or value
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004512declaration's type.
4513
4514In case of a value declaration (for example a variable declaration),
4515this resolves one layer of indirection. For example, in the value
4516declaration "X x;", cxxRecordDecl(hasName("X")) matches the declaration of
4517X, while varDecl(hasType(cxxRecordDecl(hasName("X")))) matches the
4518declaration of x.
4519
4520Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
4521 and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
4522 class X {};
4523 void y(X &amp;x) { x; X z; }
4524
Aaron Ballman672dde22016-01-22 23:15:00 +00004525Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004526</pre></td></tr>
4527
4528
Aaron Ballman672dde22016-01-22 23:15:00 +00004529<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt;</td><td class="name" onclick="toggle('hasType0')"><a name="hasType0Anchor">hasType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004530<tr><td colspan="4" class="doc" id="hasType0"><pre>Matches if the expression's or declaration's type matches a type
4531matcher.
4532
4533Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
4534 and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00004535 and U (matcher = typedefDecl(hasType(asString("int")))
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004536 class X {};
4537 void y(X &amp;x) { x; X z; }
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00004538 typedef int U;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004539</pre></td></tr>
4540
4541
Aaron Ballman672dde22016-01-22 23:15:00 +00004542<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt;</td><td class="name" onclick="toggle('ignoringImpCasts0')"><a name="ignoringImpCasts0Anchor">ignoringImpCasts</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004543<tr><td colspan="4" class="doc" id="ignoringImpCasts0"><pre>Matches expressions that match InnerMatcher after any implicit casts
4544are stripped off.
4545
4546Parentheses and explicit casts are not discarded.
4547Given
4548 int arr[5];
4549 int a = 0;
4550 char b = 0;
4551 const int c = a;
4552 int *d = arr;
4553 long e = (long) 0l;
4554The matchers
4555 varDecl(hasInitializer(ignoringImpCasts(integerLiteral())))
4556 varDecl(hasInitializer(ignoringImpCasts(declRefExpr())))
4557would match the declarations for a, b, c, and d, but not e.
4558While
4559 varDecl(hasInitializer(integerLiteral()))
4560 varDecl(hasInitializer(declRefExpr()))
4561only match the declarations for b, c, and d.
4562</pre></td></tr>
4563
4564
Cong Liu8a02efb2016-06-24 09:38:03 +00004565<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt;</td><td class="name" onclick="toggle('ignoringImplicit0')"><a name="ignoringImplicit0Anchor">ignoringImplicit</a></td><td>ast_matchers::Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
4566<tr><td colspan="4" class="doc" id="ignoringImplicit0"><pre>Matches expressions that match InnerMatcher after any implicit AST
4567nodes are stripped off.
4568
4569Parentheses and explicit casts are not discarded.
4570Given
4571 class C {};
4572 C a = C();
4573 C b;
4574 C c = b;
4575The matchers
4576 varDecl(hasInitializer(ignoringImplicit(cxxConstructExpr())))
4577would match the declarations for a, b, and c.
4578While
4579 varDecl(hasInitializer(cxxConstructExpr()))
4580only match the declarations for b and c.
4581</pre></td></tr>
4582
4583
Aaron Ballman672dde22016-01-22 23:15:00 +00004584<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt;</td><td class="name" onclick="toggle('ignoringParenCasts0')"><a name="ignoringParenCasts0Anchor">ignoringParenCasts</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004585<tr><td colspan="4" class="doc" id="ignoringParenCasts0"><pre>Matches expressions that match InnerMatcher after parentheses and
4586casts are stripped off.
4587
4588Implicit and non-C Style casts are also discarded.
4589Given
4590 int a = 0;
4591 char b = (0);
4592 void* c = reinterpret_cast&lt;char*&gt;(0);
4593 char d = char(0);
4594The matcher
4595 varDecl(hasInitializer(ignoringParenCasts(integerLiteral())))
4596would match the declarations for a, b, c, and d.
4597while
4598 varDecl(hasInitializer(integerLiteral()))
4599only match the declaration for a.
4600</pre></td></tr>
4601
4602
Aaron Ballman672dde22016-01-22 23:15:00 +00004603<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt;</td><td class="name" onclick="toggle('ignoringParenImpCasts0')"><a name="ignoringParenImpCasts0Anchor">ignoringParenImpCasts</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004604<tr><td colspan="4" class="doc" id="ignoringParenImpCasts0"><pre>Matches expressions that match InnerMatcher after implicit casts and
4605parentheses are stripped off.
4606
4607Explicit casts are not discarded.
4608Given
4609 int arr[5];
4610 int a = 0;
4611 char b = (0);
4612 const int c = a;
4613 int *d = (arr);
4614 long e = ((long) 0l);
4615The matchers
4616 varDecl(hasInitializer(ignoringParenImpCasts(integerLiteral())))
4617 varDecl(hasInitializer(ignoringParenImpCasts(declRefExpr())))
4618would match the declarations for a, b, c, and d, but not e.
4619while
4620 varDecl(hasInitializer(integerLiteral()))
4621 varDecl(hasInitializer(declRefExpr()))
4622would only match the declaration for a.
4623</pre></td></tr>
4624
4625
Aaron Ballman672dde22016-01-22 23:15:00 +00004626<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ForStmt.html">ForStmt</a>&gt;</td><td class="name" onclick="toggle('hasBody1')"><a name="hasBody1Anchor">hasBody</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt; InnerMatcher</td></tr>
Aaron Ballman2b6963f2016-01-20 16:26:48 +00004627<tr><td colspan="4" class="doc" id="hasBody1"><pre>Matches a 'for', 'while', 'do while' statement or a function
4628definition that has a given body.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004629
4630Given
4631 for (;;) {}
4632hasBody(compoundStmt())
4633 matches 'for (;;) {}'
4634with compoundStmt()
4635 matching '{}'
4636</pre></td></tr>
4637
4638
Aaron Ballman672dde22016-01-22 23:15:00 +00004639<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ForStmt.html">ForStmt</a>&gt;</td><td class="name" onclick="toggle('hasCondition1')"><a name="hasCondition1Anchor">hasCondition</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004640<tr><td colspan="4" class="doc" id="hasCondition1"><pre>Matches the condition expression of an if statement, for loop,
Etienne Bergeron5500f952016-05-30 15:25:25 +00004641switch statement or conditional operator.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004642
4643Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
4644 if (true) {}
4645</pre></td></tr>
4646
4647
Aaron Ballman672dde22016-01-22 23:15:00 +00004648<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ForStmt.html">ForStmt</a>&gt;</td><td class="name" onclick="toggle('hasIncrement0')"><a name="hasIncrement0Anchor">hasIncrement</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004649<tr><td colspan="4" class="doc" id="hasIncrement0"><pre>Matches the increment statement of a for loop.
4650
4651Example:
4652 forStmt(hasIncrement(unaryOperator(hasOperatorName("++"))))
4653matches '++x' in
4654 for (x; x &lt; N; ++x) { }
4655</pre></td></tr>
4656
4657
Aaron Ballman672dde22016-01-22 23:15:00 +00004658<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ForStmt.html">ForStmt</a>&gt;</td><td class="name" onclick="toggle('hasLoopInit0')"><a name="hasLoopInit0Anchor">hasLoopInit</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004659<tr><td colspan="4" class="doc" id="hasLoopInit0"><pre>Matches the initialization statement of a for loop.
4660
4661Example:
4662 forStmt(hasLoopInit(declStmt()))
4663matches 'int x = 0' in
4664 for (int x = 0; x &lt; N; ++x) { }
4665</pre></td></tr>
4666
4667
Aaron Ballman672dde22016-01-22 23:15:00 +00004668<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('hasAnyParameter0')"><a name="hasAnyParameter0Anchor">hasAnyParameter</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004669<tr><td colspan="4" class="doc" id="hasAnyParameter0"><pre>Matches any parameter of a function declaration.
4670
4671Does not match the 'this' parameter of a method.
4672
4673Given
4674 class X { void f(int x, int y, int z) {} };
4675cxxMethodDecl(hasAnyParameter(hasName("y")))
4676 matches f(int x, int y, int z) {}
4677with hasAnyParameter(...)
4678 matching int y
4679</pre></td></tr>
4680
4681
Aaron Ballman672dde22016-01-22 23:15:00 +00004682<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('hasBody4')"><a name="hasBody4Anchor">hasBody</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt; InnerMatcher</td></tr>
Aaron Ballman2b6963f2016-01-20 16:26:48 +00004683<tr><td colspan="4" class="doc" id="hasBody4"><pre>Matches a 'for', 'while', 'do while' statement or a function
4684definition that has a given body.
4685
4686Given
4687 for (;;) {}
4688hasBody(compoundStmt())
4689 matches 'for (;;) {}'
4690with compoundStmt()
4691 matching '{}'
4692</pre></td></tr>
4693
4694
Aaron Ballman672dde22016-01-22 23:15:00 +00004695<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('hasParameter0')"><a name="hasParameter0Anchor">hasParameter</a></td><td>unsigned N, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ParmVarDecl.html">ParmVarDecl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004696<tr><td colspan="4" class="doc" id="hasParameter0"><pre>Matches the n'th parameter of a function declaration.
4697
4698Given
4699 class X { void f(int x) {} };
4700cxxMethodDecl(hasParameter(0, hasType(varDecl())))
4701 matches f(int x) {}
4702with hasParameter(...)
4703 matching int x
4704</pre></td></tr>
4705
4706
Aaron Ballman672dde22016-01-22 23:15:00 +00004707<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt;</td><td class="name" onclick="toggle('returns0')"><a name="returns0Anchor">returns</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004708<tr><td colspan="4" class="doc" id="returns0"><pre>Matches the return type of a function declaration.
4709
4710Given:
4711 class X { int f() { return 1; } };
4712cxxMethodDecl(returns(asString("int")))
4713 matches int f() { return 1; }
4714</pre></td></tr>
4715
4716
Aaron Ballman672dde22016-01-22 23:15:00 +00004717<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1IfStmt.html">IfStmt</a>&gt;</td><td class="name" onclick="toggle('hasCondition0')"><a name="hasCondition0Anchor">hasCondition</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004718<tr><td colspan="4" class="doc" id="hasCondition0"><pre>Matches the condition expression of an if statement, for loop,
Etienne Bergeron5500f952016-05-30 15:25:25 +00004719switch statement or conditional operator.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004720
4721Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
4722 if (true) {}
4723</pre></td></tr>
4724
4725
Aaron Ballman672dde22016-01-22 23:15:00 +00004726<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1IfStmt.html">IfStmt</a>&gt;</td><td class="name" onclick="toggle('hasConditionVariableStatement0')"><a name="hasConditionVariableStatement0Anchor">hasConditionVariableStatement</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclStmt.html">DeclStmt</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004727<tr><td colspan="4" class="doc" id="hasConditionVariableStatement0"><pre>Matches the condition variable statement in an if statement.
4728
4729Given
4730 if (A* a = GetAPointer()) {}
4731hasConditionVariableStatement(...)
4732 matches 'A* a = GetAPointer()'.
4733</pre></td></tr>
4734
4735
Aaron Ballman672dde22016-01-22 23:15:00 +00004736<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1IfStmt.html">IfStmt</a>&gt;</td><td class="name" onclick="toggle('hasElse0')"><a name="hasElse0Anchor">hasElse</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004737<tr><td colspan="4" class="doc" id="hasElse0"><pre>Matches the else-statement of an if statement.
4738
4739Examples matches the if statement
4740 (matcher = ifStmt(hasElse(cxxBoolLiteral(equals(true)))))
4741 if (false) false; else true;
4742</pre></td></tr>
4743
4744
Aaron Ballman672dde22016-01-22 23:15:00 +00004745<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1IfStmt.html">IfStmt</a>&gt;</td><td class="name" onclick="toggle('hasThen0')"><a name="hasThen0Anchor">hasThen</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004746<tr><td colspan="4" class="doc" id="hasThen0"><pre>Matches the then-statement of an if statement.
4747
4748Examples matches the if statement
4749 (matcher = ifStmt(hasThen(cxxBoolLiteral(equals(true)))))
4750 if (false) true; else false;
4751</pre></td></tr>
4752
4753
Aaron Ballman672dde22016-01-22 23:15:00 +00004754<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ImplicitCastExpr.html">ImplicitCastExpr</a>&gt;</td><td class="name" onclick="toggle('hasImplicitDestinationType0')"><a name="hasImplicitDestinationType0Anchor">hasImplicitDestinationType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004755<tr><td colspan="4" class="doc" id="hasImplicitDestinationType0"><pre>Matches implicit casts whose destination type matches a given
4756matcher.
4757
4758FIXME: Unit test this matcher
4759</pre></td></tr>
4760
4761
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004762<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InitListExpr.html">InitListExpr</a>&gt;</td><td class="name" onclick="toggle('hasSyntacticForm0')"><a name="hasSyntacticForm0Anchor">hasSyntacticForm</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
4763<tr><td colspan="4" class="doc" id="hasSyntacticForm0"><pre>Matches the syntactic form of init list expressions
4764(if expression have it).
4765</pre></td></tr>
4766
4767
4768<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;</td><td class="name" onclick="toggle('hasDeclaration10')"><a name="hasDeclaration10Anchor">hasDeclaration</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
4769<tr><td colspan="4" class="doc" id="hasDeclaration10"><pre>Matches a node if the declaration associated with that node
4770matches the given matcher.
4771
4772The associated declaration is:
4773- for type nodes, the declaration of the underlying type
4774- for CallExpr, the declaration of the callee
4775- for MemberExpr, the declaration of the referenced member
4776- for CXXConstructExpr, the declaration of the constructor
4777
4778Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
4779function. e.g. various subtypes of clang::Type and various expressions.
4780
4781Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;,
4782 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;,
4783 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;,
4784 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>&gt;,
4785 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;,
4786 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>&gt;
4787</pre></td></tr>
4788
4789
4790<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;</td><td class="name" onclick="toggle('hasDeclaration9')"><a name="hasDeclaration9Anchor">hasDeclaration</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004791<tr><td colspan="4" class="doc" id="hasDeclaration9"><pre>Matches a node if the declaration associated with that node
4792matches the given matcher.
4793
4794The associated declaration is:
4795- for type nodes, the declaration of the underlying type
4796- for CallExpr, the declaration of the callee
4797- for MemberExpr, the declaration of the referenced member
4798- for CXXConstructExpr, the declaration of the constructor
4799
4800Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
4801function. e.g. various subtypes of clang::Type and various expressions.
4802
Aaron Ballman672dde22016-01-22 23:15:00 +00004803Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;,
4804 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;,
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004805 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;,
4806 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>&gt;,
Aaron Ballman672dde22016-01-22 23:15:00 +00004807 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;,
4808 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004809</pre></td></tr>
4810
4811
Aaron Ballman672dde22016-01-22 23:15:00 +00004812<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;</td><td class="name" onclick="toggle('hasDeclaration7')"><a name="hasDeclaration7Anchor">hasDeclaration</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004813<tr><td colspan="4" class="doc" id="hasDeclaration7"><pre>Matches a node if the declaration associated with that node
4814matches the given matcher.
4815
4816The associated declaration is:
4817- for type nodes, the declaration of the underlying type
4818- for CallExpr, the declaration of the callee
4819- for MemberExpr, the declaration of the referenced member
4820- for CXXConstructExpr, the declaration of the constructor
4821
4822Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
4823function. e.g. various subtypes of clang::Type and various expressions.
4824
Aaron Ballman672dde22016-01-22 23:15:00 +00004825Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;,
4826 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;,
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004827 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;,
4828 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>&gt;,
Aaron Ballman672dde22016-01-22 23:15:00 +00004829 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;,
4830 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004831</pre></td></tr>
4832
4833
Aaron Ballman672dde22016-01-22 23:15:00 +00004834<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;</td><td class="name" onclick="toggle('hasObjectExpression0')"><a name="hasObjectExpression0Anchor">hasObjectExpression</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004835<tr><td colspan="4" class="doc" id="hasObjectExpression0"><pre>Matches a member expression where the object expression is
4836matched by a given matcher.
4837
4838Given
4839 struct X { int m; };
4840 void f(X x) { x.m; m; }
4841memberExpr(hasObjectExpression(hasType(cxxRecordDecl(hasName("X")))))))
4842 matches "x.m" and "m"
4843with hasObjectExpression(...)
4844 matching "x" and the implicit object expression of "m" which has type X*.
4845</pre></td></tr>
4846
4847
Aaron Ballman672dde22016-01-22 23:15:00 +00004848<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;</td><td class="name" onclick="toggle('member0')"><a name="member0Anchor">member</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004849<tr><td colspan="4" class="doc" id="member0"><pre>Matches a member expression where the member is matched by a
4850given matcher.
4851
4852Given
4853 struct { int first, second; } first, second;
4854 int i(second.first);
4855 int j(first.second);
4856memberExpr(member(hasName("first")))
4857 matches second.first
4858 but not first.second (because the member name there is "second").
4859</pre></td></tr>
4860
4861
Aaron Ballman672dde22016-01-22 23:15:00 +00004862<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerTypeLoc.html">MemberPointerTypeLoc</a>&gt;</td><td class="name" onclick="toggle('pointeeLoc1')"><a name="pointeeLoc1Anchor">pointeeLoc</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004863<tr><td colspan="4" class="doc" id="pointeeLoc1"><pre>Narrows PointerType (and similar) matchers to those where the
4864pointee matches a given matcher.
4865
4866Given
4867 int *a;
4868 int const *b;
4869 float const *f;
4870pointerType(pointee(isConstQualified(), isInteger()))
4871 matches "int const *b"
4872
Aaron Ballman672dde22016-01-22 23:15:00 +00004873Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>&gt;,
4874 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004875</pre></td></tr>
4876
4877
Aaron Ballman672dde22016-01-22 23:15:00 +00004878<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>&gt;</td><td class="name" onclick="toggle('pointee1')"><a name="pointee1Anchor">pointee</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004879<tr><td colspan="4" class="doc" id="pointee1"><pre>Narrows PointerType (and similar) matchers to those where the
4880pointee matches a given matcher.
4881
4882Given
4883 int *a;
4884 int const *b;
4885 float const *f;
4886pointerType(pointee(isConstQualified(), isInteger()))
4887 matches "int const *b"
4888
Aaron Ballman672dde22016-01-22 23:15:00 +00004889Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>&gt;,
4890 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004891</pre></td></tr>
4892
4893
Aaron Ballman672dde22016-01-22 23:15:00 +00004894<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>&gt;</td><td class="name" onclick="toggle('hasPrefix1')"><a name="hasPrefix1Anchor">hasPrefix</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004895<tr><td colspan="4" class="doc" id="hasPrefix1"><pre>Matches on the prefix of a NestedNameSpecifierLoc.
4896
4897Given
4898 struct A { struct B { struct C {}; }; };
4899 A::B::C c;
4900nestedNameSpecifierLoc(hasPrefix(loc(specifiesType(asString("struct A")))))
4901 matches "A::"
4902</pre></td></tr>
4903
4904
Aaron Ballman672dde22016-01-22 23:15:00 +00004905<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>&gt;</td><td class="name" onclick="toggle('specifiesTypeLoc0')"><a name="specifiesTypeLoc0Anchor">specifiesTypeLoc</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004906<tr><td colspan="4" class="doc" id="specifiesTypeLoc0"><pre>Matches nested name specifier locs that specify a type matching the
4907given TypeLoc.
4908
4909Given
4910 struct A { struct B { struct C {}; }; };
4911 A::B::C c;
4912nestedNameSpecifierLoc(specifiesTypeLoc(loc(type(
4913 hasDeclaration(cxxRecordDecl(hasName("A")))))))
4914 matches "A::"
4915</pre></td></tr>
4916
4917
Aaron Ballman672dde22016-01-22 23:15:00 +00004918<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>&gt;</td><td class="name" onclick="toggle('hasPrefix0')"><a name="hasPrefix0Anchor">hasPrefix</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004919<tr><td colspan="4" class="doc" id="hasPrefix0"><pre>Matches on the prefix of a NestedNameSpecifier.
4920
4921Given
4922 struct A { struct B { struct C {}; }; };
4923 A::B::C c;
4924nestedNameSpecifier(hasPrefix(specifiesType(asString("struct A")))) and
4925 matches "A::"
4926</pre></td></tr>
4927
4928
Aaron Ballman672dde22016-01-22 23:15:00 +00004929<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>&gt;</td><td class="name" onclick="toggle('specifiesNamespace0')"><a name="specifiesNamespace0Anchor">specifiesNamespace</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NamespaceDecl.html">NamespaceDecl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004930<tr><td colspan="4" class="doc" id="specifiesNamespace0"><pre>Matches nested name specifiers that specify a namespace matching the
4931given namespace matcher.
4932
4933Given
4934 namespace ns { struct A {}; }
4935 ns::A a;
4936nestedNameSpecifier(specifiesNamespace(hasName("ns")))
4937 matches "ns::"
4938</pre></td></tr>
4939
4940
Aaron Ballman672dde22016-01-22 23:15:00 +00004941<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>&gt;</td><td class="name" onclick="toggle('specifiesType0')"><a name="specifiesType0Anchor">specifiesType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004942<tr><td colspan="4" class="doc" id="specifiesType0"><pre>Matches nested name specifiers that specify a type matching the
4943given QualType matcher without qualifiers.
4944
4945Given
4946 struct A { struct B { struct C {}; }; };
4947 A::B::C c;
4948nestedNameSpecifier(specifiesType(
4949 hasDeclaration(cxxRecordDecl(hasName("A")))
4950))
4951 matches "A::"
4952</pre></td></tr>
4953
4954
Aaron Ballman672dde22016-01-22 23:15:00 +00004955<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>&gt;</td><td class="name" onclick="toggle('hasArgument2')"><a name="hasArgument2Anchor">hasArgument</a></td><td>unsigned N, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004956<tr><td colspan="4" class="doc" id="hasArgument2"><pre>Matches the n'th argument of a call expression or a constructor
4957call expression.
4958
4959Example matches y in x(y)
4960 (matcher = callExpr(hasArgument(0, declRefExpr())))
4961 void x(int) { int y; x(y); }
4962</pre></td></tr>
4963
4964
Aaron Ballman672dde22016-01-22 23:15:00 +00004965<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>&gt;</td><td class="name" onclick="toggle('hasReceiverType0')"><a name="hasReceiverType0Anchor">hasReceiverType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004966<tr><td colspan="4" class="doc" id="hasReceiverType0"><pre>Matches on the receiver of an ObjectiveC Message expression.
4967
4968Example
4969matcher = objCMessageExpr(hasRecieverType(asString("UIWebView *")));
4970matches the [webView ...] message invocation.
4971 NSString *webViewJavaScript = ...
4972 UIWebView *webView = ...
4973 [webView stringByEvaluatingJavaScriptFromString:webViewJavascript];
4974</pre></td></tr>
4975
4976
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004977<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1OpaqueValueExpr.html">OpaqueValueExpr</a>&gt;</td><td class="name" onclick="toggle('hasSourceExpression1')"><a name="hasSourceExpression1Anchor">hasSourceExpression</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
4978<tr><td colspan="4" class="doc" id="hasSourceExpression1"><pre></pre></td></tr>
4979
4980
Aaron Ballman672dde22016-01-22 23:15:00 +00004981<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ParenType.html">ParenType</a>&gt;</td><td class="name" onclick="toggle('innerType0')"><a name="innerType0Anchor">innerType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004982<tr><td colspan="4" class="doc" id="innerType0"><pre>Matches ParenType nodes where the inner type is a specific type.
4983
4984Given
4985 int (*ptr_to_array)[4];
4986 int (*ptr_to_func)(int);
4987
4988varDecl(hasType(pointsTo(parenType(innerType(functionType()))))) matches
4989ptr_to_func but not ptr_to_array.
4990
Aaron Ballman672dde22016-01-22 23:15:00 +00004991Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ParenType.html">ParenType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004992</pre></td></tr>
4993
4994
Aaron Ballman672dde22016-01-22 23:15:00 +00004995<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerTypeLoc.html">PointerTypeLoc</a>&gt;</td><td class="name" onclick="toggle('pointeeLoc2')"><a name="pointeeLoc2Anchor">pointeeLoc</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004996<tr><td colspan="4" class="doc" id="pointeeLoc2"><pre>Narrows PointerType (and similar) matchers to those where the
4997pointee matches a given matcher.
4998
4999Given
5000 int *a;
5001 int const *b;
5002 float const *f;
5003pointerType(pointee(isConstQualified(), isInteger()))
5004 matches "int const *b"
5005
Aaron Ballman672dde22016-01-22 23:15:00 +00005006Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>&gt;,
5007 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005008</pre></td></tr>
5009
5010
Aaron Ballman672dde22016-01-22 23:15:00 +00005011<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>&gt;</td><td class="name" onclick="toggle('pointee2')"><a name="pointee2Anchor">pointee</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005012<tr><td colspan="4" class="doc" id="pointee2"><pre>Narrows PointerType (and similar) matchers to those where the
5013pointee matches a given matcher.
5014
5015Given
5016 int *a;
5017 int const *b;
5018 float const *f;
5019pointerType(pointee(isConstQualified(), isInteger()))
5020 matches "int const *b"
5021
Aaron Ballman672dde22016-01-22 23:15:00 +00005022Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>&gt;,
5023 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005024</pre></td></tr>
5025
5026
Aaron Ballman672dde22016-01-22 23:15:00 +00005027<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('hasCanonicalType0')"><a name="hasCanonicalType0Anchor">hasCanonicalType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005028<tr><td colspan="4" class="doc" id="hasCanonicalType0"><pre>Matches QualTypes whose canonical type matches InnerMatcher.
5029
5030Given:
5031 typedef int &amp;int_ref;
5032 int a;
5033 int_ref b = a;
5034
5035varDecl(hasType(qualType(referenceType()))))) will not match the
5036declaration of b but varDecl(hasType(qualType(hasCanonicalType(referenceType())))))) does.
5037</pre></td></tr>
5038
5039
Aaron Ballman672dde22016-01-22 23:15:00 +00005040<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('hasDeclaration6')"><a name="hasDeclaration6Anchor">hasDeclaration</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005041<tr><td colspan="4" class="doc" id="hasDeclaration6"><pre>Matches a node if the declaration associated with that node
5042matches the given matcher.
5043
5044The associated declaration is:
5045- for type nodes, the declaration of the underlying type
5046- for CallExpr, the declaration of the callee
5047- for MemberExpr, the declaration of the referenced member
5048- for CXXConstructExpr, the declaration of the constructor
5049
5050Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
5051function. e.g. various subtypes of clang::Type and various expressions.
5052
Aaron Ballman672dde22016-01-22 23:15:00 +00005053Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;,
5054 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;,
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00005055 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;,
5056 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>&gt;,
Aaron Ballman672dde22016-01-22 23:15:00 +00005057 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;,
5058 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005059</pre></td></tr>
5060
5061
Aaron Ballmanba8dbbe2016-06-06 18:52:17 +00005062<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('ignoringParens0')"><a name="ignoringParens0Anchor">ignoringParens</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
5063<tr><td colspan="4" class="doc" id="ignoringParens0"><pre>Matches types that match InnerMatcher after any parens are stripped.
5064
5065Given
5066 void (*fp)(void);
5067The matcher
5068 varDecl(hasType(pointerType(pointee(ignoringParens(functionType())))))
5069would match the declaration for fp.
5070</pre></td></tr>
5071
5072
Aaron Ballman672dde22016-01-22 23:15:00 +00005073<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('pointsTo1')"><a name="pointsTo1Anchor">pointsTo</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005074<tr><td colspan="4" class="doc" id="pointsTo1"><pre>Overloaded to match the pointee type's declaration.
5075</pre></td></tr>
5076
5077
Aaron Ballman672dde22016-01-22 23:15:00 +00005078<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('pointsTo0')"><a name="pointsTo0Anchor">pointsTo</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005079<tr><td colspan="4" class="doc" id="pointsTo0"><pre>Matches if the matched type is a pointer type and the pointee type
5080matches the specified matcher.
5081
5082Example matches y-&gt;x()
5083 (matcher = cxxMemberCallExpr(on(hasType(pointsTo
5084 cxxRecordDecl(hasName("Y")))))))
5085 class Y { public: void x(); };
5086 void z() { Y *y; y-&gt;x(); }
5087</pre></td></tr>
5088
5089
Aaron Ballman672dde22016-01-22 23:15:00 +00005090<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('references1')"><a name="references1Anchor">references</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005091<tr><td colspan="4" class="doc" id="references1"><pre>Overloaded to match the referenced type's declaration.
5092</pre></td></tr>
5093
5094
Aaron Ballman672dde22016-01-22 23:15:00 +00005095<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;</td><td class="name" onclick="toggle('references0')"><a name="references0Anchor">references</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005096<tr><td colspan="4" class="doc" id="references0"><pre>Matches if the matched type is a reference type and the referenced
5097type matches the specified matcher.
5098
5099Example matches X &amp;x and const X &amp;y
5100 (matcher = varDecl(hasType(references(cxxRecordDecl(hasName("X"))))))
5101 class X {
5102 void a(X b) {
5103 X &amp;x = b;
5104 const X &amp;y = b;
5105 }
5106 };
5107</pre></td></tr>
5108
5109
Aaron Ballman672dde22016-01-22 23:15:00 +00005110<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;</td><td class="name" onclick="toggle('hasDeclaration5')"><a name="hasDeclaration5Anchor">hasDeclaration</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005111<tr><td colspan="4" class="doc" id="hasDeclaration5"><pre>Matches a node if the declaration associated with that node
5112matches the given matcher.
5113
5114The associated declaration is:
5115- for type nodes, the declaration of the underlying type
5116- for CallExpr, the declaration of the callee
5117- for MemberExpr, the declaration of the referenced member
5118- for CXXConstructExpr, the declaration of the constructor
5119
5120Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
5121function. e.g. various subtypes of clang::Type and various expressions.
5122
Aaron Ballman672dde22016-01-22 23:15:00 +00005123Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;,
5124 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;,
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00005125 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;,
5126 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>&gt;,
Aaron Ballman672dde22016-01-22 23:15:00 +00005127 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;,
5128 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005129</pre></td></tr>
5130
5131
Aaron Ballman672dde22016-01-22 23:15:00 +00005132<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceTypeLoc.html">ReferenceTypeLoc</a>&gt;</td><td class="name" onclick="toggle('pointeeLoc3')"><a name="pointeeLoc3Anchor">pointeeLoc</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005133<tr><td colspan="4" class="doc" id="pointeeLoc3"><pre>Narrows PointerType (and similar) matchers to those where the
5134pointee matches a given matcher.
5135
5136Given
5137 int *a;
5138 int const *b;
5139 float const *f;
5140pointerType(pointee(isConstQualified(), isInteger()))
5141 matches "int const *b"
5142
Aaron Ballman672dde22016-01-22 23:15:00 +00005143Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>&gt;,
5144 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005145</pre></td></tr>
5146
5147
Aaron Ballman672dde22016-01-22 23:15:00 +00005148<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>&gt;</td><td class="name" onclick="toggle('pointee3')"><a name="pointee3Anchor">pointee</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>&gt;</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005149<tr><td colspan="4" class="doc" id="pointee3"><pre>Narrows PointerType (and similar) matchers to those where the
5150pointee matches a given matcher.
5151
5152Given
5153 int *a;
5154 int const *b;
5155 float const *f;
5156pointerType(pointee(isConstQualified(), isInteger()))
5157 matches "int const *b"
5158
Aaron Ballman672dde22016-01-22 23:15:00 +00005159Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1BlockPointerType.html">BlockPointerType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberPointerType.html">MemberPointerType</a>&gt;,
5160 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1PointerType.html">PointerType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ReferenceType.html">ReferenceType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005161</pre></td></tr>
5162
5163
Alexander Kornienko976921d2016-03-22 11:03:03 +00005164<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ReturnStmt.html">ReturnStmt</a>&gt;</td><td class="name" onclick="toggle('hasReturnValue0')"><a name="hasReturnValue0Anchor">hasReturnValue</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
5165<tr><td colspan="4" class="doc" id="hasReturnValue0"><pre>Matches the return value expression of a return statement
5166
5167Given
5168 return a + b;
5169hasReturnValue(binaryOperator())
5170 matches 'return a + b'
5171with binaryOperator()
5172 matching 'a + b'
5173</pre></td></tr>
5174
5175
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00005176<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1StmtExpr.html">StmtExpr</a>&gt;</td><td class="name" onclick="toggle('hasAnySubstatement1')"><a name="hasAnySubstatement1Anchor">hasAnySubstatement</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt; InnerMatcher</td></tr>
5177<tr><td colspan="4" class="doc" id="hasAnySubstatement1"><pre>Matches compound statements where at least one substatement matches
5178a given matcher. Also matches StmtExprs that have CompoundStmt as children.
5179
5180Given
5181 { {}; 1+2; }
5182hasAnySubstatement(compoundStmt())
5183 matches '{ {}; 1+2; }'
5184with compoundStmt()
5185 matching '{}'
5186</pre></td></tr>
5187
5188
Aaron Ballman672dde22016-01-22 23:15:00 +00005189<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('alignOfExpr0')"><a name="alignOfExpr0Anchor">alignOfExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryExprOrTypeTraitExpr.html">UnaryExprOrTypeTraitExpr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005190<tr><td colspan="4" class="doc" id="alignOfExpr0"><pre>Same as unaryExprOrTypeTraitExpr, but only matching
5191alignof.
5192</pre></td></tr>
5193
5194
Gabor Horvath1b3f8db2016-05-04 11:59:39 +00005195<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('forFunction0')"><a name="forFunction0Anchor">forFunction</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>&gt; InnerMatcher</td></tr>
5196<tr><td colspan="4" class="doc" id="forFunction0"><pre>Matches declaration of the function the statemenet belongs to
5197
5198Given:
5199F&amp; operator=(const F&amp; o) {
5200 std::copy_if(o.begin(), o.end(), begin(), [](V v) { return v &gt; 0; });
5201 return *this;
5202}
5203returnStmt(forFunction(hasName("operator=")))
5204 matches 'return *this'
5205 but does match 'return &gt; 0'
5206</pre></td></tr>
5207
5208
Aaron Ballman672dde22016-01-22 23:15:00 +00005209<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('sizeOfExpr0')"><a name="sizeOfExpr0Anchor">sizeOfExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryExprOrTypeTraitExpr.html">UnaryExprOrTypeTraitExpr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005210<tr><td colspan="4" class="doc" id="sizeOfExpr0"><pre>Same as unaryExprOrTypeTraitExpr, but only matching
5211sizeof.
5212</pre></td></tr>
5213
5214
Aaron Ballman672dde22016-01-22 23:15:00 +00005215<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1SwitchStmt.html">SwitchStmt</a>&gt;</td><td class="name" onclick="toggle('forEachSwitchCase0')"><a name="forEachSwitchCase0Anchor">forEachSwitchCase</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1SwitchCase.html">SwitchCase</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005216<tr><td colspan="4" class="doc" id="forEachSwitchCase0"><pre>Matches each case or default statement belonging to the given switch
5217statement. This matcher may produce multiple matches.
5218
5219Given
5220 switch (1) { case 1: case 2: default: switch (2) { case 3: case 4: ; } }
5221switchStmt(forEachSwitchCase(caseStmt().bind("c"))).bind("s")
5222 matches four times, with "c" binding each of "case 1:", "case 2:",
5223"case 3:" and "case 4:", and "s" respectively binding "switch (1)",
5224"switch (1)", "switch (2)" and "switch (2)".
5225</pre></td></tr>
5226
5227
Etienne Bergeron5500f952016-05-30 15:25:25 +00005228<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1SwitchStmt.html">SwitchStmt</a>&gt;</td><td class="name" onclick="toggle('hasCondition4')"><a name="hasCondition4Anchor">hasCondition</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
5229<tr><td colspan="4" class="doc" id="hasCondition4"><pre>Matches the condition expression of an if statement, for loop,
5230switch statement or conditional operator.
5231
5232Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
5233 if (true) {}
5234</pre></td></tr>
5235
5236
Aaron Ballman672dde22016-01-22 23:15:00 +00005237<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>&gt;</td><td class="name" onclick="toggle('hasDeclaration4')"><a name="hasDeclaration4Anchor">hasDeclaration</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005238<tr><td colspan="4" class="doc" id="hasDeclaration4"><pre>Matches a node if the declaration associated with that node
5239matches the given matcher.
5240
5241The associated declaration is:
5242- for type nodes, the declaration of the underlying type
5243- for CallExpr, the declaration of the callee
5244- for MemberExpr, the declaration of the referenced member
5245- for CXXConstructExpr, the declaration of the constructor
5246
5247Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
5248function. e.g. various subtypes of clang::Type and various expressions.
5249
Aaron Ballman672dde22016-01-22 23:15:00 +00005250Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;,
5251 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;,
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00005252 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;,
5253 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>&gt;,
Aaron Ballman672dde22016-01-22 23:15:00 +00005254 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;,
5255 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005256</pre></td></tr>
5257
5258
Aaron Ballman672dde22016-01-22 23:15:00 +00005259<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>&gt;</td><td class="name" onclick="toggle('isExpr0')"><a name="isExpr0Anchor">isExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005260<tr><td colspan="4" class="doc" id="isExpr0"><pre>Matches a sugar TemplateArgument that refers to a certain expression.
5261
5262Given
5263 template&lt;typename T&gt; struct A {};
5264 struct B { B* next; };
5265 A&lt;&amp;B::next&gt; a;
5266templateSpecializationType(hasAnyTemplateArgument(
5267 isExpr(hasDescendant(declRefExpr(to(fieldDecl(hasName("next"))))))))
5268 matches the specialization A&lt;&amp;B::next&gt; with fieldDecl(...) matching
5269 B::next
5270</pre></td></tr>
5271
5272
Aaron Ballman672dde22016-01-22 23:15:00 +00005273<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>&gt;</td><td class="name" onclick="toggle('refersToDeclaration0')"><a name="refersToDeclaration0Anchor">refersToDeclaration</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005274<tr><td colspan="4" class="doc" id="refersToDeclaration0"><pre>Matches a canonical TemplateArgument that refers to a certain
5275declaration.
5276
5277Given
5278 template&lt;typename T&gt; struct A {};
5279 struct B { B* next; };
5280 A&lt;&amp;B::next&gt; a;
5281classTemplateSpecializationDecl(hasAnyTemplateArgument(
5282 refersToDeclaration(fieldDecl(hasName("next"))))
5283 matches the specialization A&lt;&amp;B::next&gt; with fieldDecl(...) matching
5284 B::next
5285</pre></td></tr>
5286
5287
Aaron Ballman672dde22016-01-22 23:15:00 +00005288<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>&gt;</td><td class="name" onclick="toggle('refersToIntegralType0')"><a name="refersToIntegralType0Anchor">refersToIntegralType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005289<tr><td colspan="4" class="doc" id="refersToIntegralType0"><pre>Matches a TemplateArgument that referes to an integral type.
5290
5291Given
5292 template&lt;int T&gt; struct A {};
5293 C&lt;42&gt; c;
5294classTemplateSpecializationDecl(
5295 hasAnyTemplateArgument(refersToIntegralType(asString("int"))))
5296 matches the implicit instantiation of C in C&lt;42&gt;.
5297</pre></td></tr>
5298
5299
Aaron Ballman672dde22016-01-22 23:15:00 +00005300<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>&gt;</td><td class="name" onclick="toggle('refersToType0')"><a name="refersToType0Anchor">refersToType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005301<tr><td colspan="4" class="doc" id="refersToType0"><pre>Matches a TemplateArgument that refers to a certain type.
5302
5303Given
5304 struct X {};
5305 template&lt;typename T&gt; struct A {};
5306 A&lt;X&gt; a;
5307classTemplateSpecializationDecl(hasAnyTemplateArgument(
5308 refersToType(class(hasName("X")))))
5309 matches the specialization A&lt;X&gt;
5310</pre></td></tr>
5311
5312
Aaron Ballman672dde22016-01-22 23:15:00 +00005313<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;</td><td class="name" onclick="toggle('hasAnyTemplateArgument1')"><a name="hasAnyTemplateArgument1Anchor">hasAnyTemplateArgument</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005314<tr><td colspan="4" class="doc" id="hasAnyTemplateArgument1"><pre>Matches classTemplateSpecializations that have at least one
5315TemplateArgument matching the given InnerMatcher.
5316
5317Given
5318 template&lt;typename T&gt; class A {};
5319 template&lt;&gt; class A&lt;double&gt; {};
5320 A&lt;int&gt; a;
5321classTemplateSpecializationDecl(hasAnyTemplateArgument(
5322 refersToType(asString("int"))))
5323 matches the specialization A&lt;int&gt;
5324</pre></td></tr>
5325
5326
Aaron Ballman672dde22016-01-22 23:15:00 +00005327<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;</td><td class="name" onclick="toggle('hasDeclaration3')"><a name="hasDeclaration3Anchor">hasDeclaration</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005328<tr><td colspan="4" class="doc" id="hasDeclaration3"><pre>Matches a node if the declaration associated with that node
5329matches the given matcher.
5330
5331The associated declaration is:
5332- for type nodes, the declaration of the underlying type
5333- for CallExpr, the declaration of the callee
5334- for MemberExpr, the declaration of the referenced member
5335- for CXXConstructExpr, the declaration of the constructor
5336
5337Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
5338function. e.g. various subtypes of clang::Type and various expressions.
5339
Aaron Ballman672dde22016-01-22 23:15:00 +00005340Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;,
5341 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;,
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00005342 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;,
5343 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>&gt;,
Aaron Ballman672dde22016-01-22 23:15:00 +00005344 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;,
5345 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005346</pre></td></tr>
5347
5348
Aaron Ballman672dde22016-01-22 23:15:00 +00005349<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;</td><td class="name" onclick="toggle('hasTemplateArgument1')"><a name="hasTemplateArgument1Anchor">hasTemplateArgument</a></td><td>unsigned N, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html">TemplateArgument</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005350<tr><td colspan="4" class="doc" id="hasTemplateArgument1"><pre>Matches classTemplateSpecializations where the n'th TemplateArgument
5351matches the given InnerMatcher.
5352
5353Given
5354 template&lt;typename T, typename U&gt; class A {};
5355 A&lt;bool, int&gt; b;
5356 A&lt;int, bool&gt; c;
5357classTemplateSpecializationDecl(hasTemplateArgument(
5358 1, refersToType(asString("int"))))
5359 matches the specialization A&lt;bool, int&gt;
5360</pre></td></tr>
5361
5362
Aaron Ballman672dde22016-01-22 23:15:00 +00005363<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;</td><td class="name" onclick="toggle('hasDeclaration2')"><a name="hasDeclaration2Anchor">hasDeclaration</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005364<tr><td colspan="4" class="doc" id="hasDeclaration2"><pre>Matches a node if the declaration associated with that node
5365matches the given matcher.
5366
5367The associated declaration is:
5368- for type nodes, the declaration of the underlying type
5369- for CallExpr, the declaration of the callee
5370- for MemberExpr, the declaration of the referenced member
5371- for CXXConstructExpr, the declaration of the constructor
5372
5373Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
5374function. e.g. various subtypes of clang::Type and various expressions.
5375
Aaron Ballman672dde22016-01-22 23:15:00 +00005376Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;,
5377 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;,
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00005378 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;,
5379 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>&gt;,
Aaron Ballman672dde22016-01-22 23:15:00 +00005380 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;,
5381 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005382</pre></td></tr>
5383
5384
5385<tr><td>Matcher&lt;T&gt;</td><td class="name" onclick="toggle('findAll0')"><a name="findAll0Anchor">findAll</a></td><td>Matcher&lt;T&gt; Matcher</td></tr>
5386<tr><td colspan="4" class="doc" id="findAll0"><pre>Matches if the node or any descendant matches.
5387
5388Generates results for each match.
5389
5390For example, in:
5391 class A { class B {}; class C {}; };
5392The matcher:
5393 cxxRecordDecl(hasName("::A"),
5394 findAll(cxxRecordDecl(isDefinition()).bind("m")))
5395will generate results for A, B and C.
5396
5397Usable as: Any Matcher
5398</pre></td></tr>
5399
5400
Aaron Ballman66eb58a2016-04-14 16:05:45 +00005401<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefNameDecl.html">TypedefNameDecl</a>&gt;</td><td class="name" onclick="toggle('hasType1')"><a name="hasType1Anchor">hasType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00005402<tr><td colspan="4" class="doc" id="hasType1"><pre>Matches if the expression's or declaration's type matches a type
5403matcher.
5404
5405Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
5406 and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
5407 and U (matcher = typedefDecl(hasType(asString("int")))
5408 class X {};
5409 void y(X &amp;x) { x; X z; }
5410 typedef int U;
5411</pre></td></tr>
5412
5413
Aaron Ballman672dde22016-01-22 23:15:00 +00005414<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;</td><td class="name" onclick="toggle('hasDeclaration1')"><a name="hasDeclaration1Anchor">hasDeclaration</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005415<tr><td colspan="4" class="doc" id="hasDeclaration1"><pre>Matches a node if the declaration associated with that node
5416matches the given matcher.
5417
5418The associated declaration is:
5419- for type nodes, the declaration of the underlying type
5420- for CallExpr, the declaration of the callee
5421- for MemberExpr, the declaration of the referenced member
5422- for CXXConstructExpr, the declaration of the constructor
5423
5424Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
5425function. e.g. various subtypes of clang::Type and various expressions.
5426
Aaron Ballman672dde22016-01-22 23:15:00 +00005427Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;,
5428 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;,
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00005429 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;,
5430 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>&gt;,
Aaron Ballman672dde22016-01-22 23:15:00 +00005431 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;,
5432 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005433</pre></td></tr>
5434
5435
Aaron Ballman672dde22016-01-22 23:15:00 +00005436<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryExprOrTypeTraitExpr.html">UnaryExprOrTypeTraitExpr</a>&gt;</td><td class="name" onclick="toggle('hasArgumentOfType0')"><a name="hasArgumentOfType0Anchor">hasArgumentOfType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005437<tr><td colspan="4" class="doc" id="hasArgumentOfType0"><pre>Matches unary expressions that have a specific type of argument.
5438
5439Given
5440 int a, c; float b; int s = sizeof(a) + sizeof(b) + alignof(c);
5441unaryExprOrTypeTraitExpr(hasArgumentOfType(asString("int"))
5442 matches sizeof(a) and alignof(c)
5443</pre></td></tr>
5444
5445
Aaron Ballman672dde22016-01-22 23:15:00 +00005446<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnaryOperator.html">UnaryOperator</a>&gt;</td><td class="name" onclick="toggle('hasUnaryOperand0')"><a name="hasUnaryOperand0Anchor">hasUnaryOperand</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005447<tr><td colspan="4" class="doc" id="hasUnaryOperand0"><pre>Matches if the operand of a unary operator matches.
5448
5449Example matches true (matcher = hasUnaryOperand(
5450 cxxBoolLiteral(equals(true))))
5451 !true
5452</pre></td></tr>
5453
5454
Aaron Ballman672dde22016-01-22 23:15:00 +00005455<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>&gt;</td><td class="name" onclick="toggle('hasDeclaration0')"><a name="hasDeclaration0Anchor">hasDeclaration</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005456<tr><td colspan="4" class="doc" id="hasDeclaration0"><pre>Matches a node if the declaration associated with that node
5457matches the given matcher.
5458
5459The associated declaration is:
5460- for type nodes, the declaration of the underlying type
5461- for CallExpr, the declaration of the callee
5462- for MemberExpr, the declaration of the referenced member
5463- for CXXConstructExpr, the declaration of the constructor
5464
5465Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
5466function. e.g. various subtypes of clang::Type and various expressions.
5467
Aaron Ballman672dde22016-01-22 23:15:00 +00005468Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;,
5469 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1DeclRefExpr.html">DeclRefExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1EnumType.html">EnumType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1InjectedClassNameType.html">InjectedClassNameType</a>&gt;,
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00005470 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1LabelStmt.html">LabelStmt</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AddrLabelExpr.html">AddrLabelExpr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1MemberExpr.html">MemberExpr</a>&gt;,
5471 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1RecordType.html">RecordType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>&gt;,
Aaron Ballman672dde22016-01-22 23:15:00 +00005472 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateSpecializationType.html">TemplateSpecializationType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TemplateTypeParmType.html">TemplateTypeParmType</a>&gt;,
5473 Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypedefType.html">TypedefType</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UnresolvedUsingType.html">UnresolvedUsingType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005474</pre></td></tr>
5475
5476
Aaron Ballman672dde22016-01-22 23:15:00 +00005477<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UsingDecl.html">UsingDecl</a>&gt;</td><td class="name" onclick="toggle('hasAnyUsingShadowDecl0')"><a name="hasAnyUsingShadowDecl0Anchor">hasAnyUsingShadowDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UsingShadowDecl.html">UsingShadowDecl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005478<tr><td colspan="4" class="doc" id="hasAnyUsingShadowDecl0"><pre>Matches any using shadow declaration.
5479
5480Given
5481 namespace X { void b(); }
5482 using X::b;
5483usingDecl(hasAnyUsingShadowDecl(hasName("b"))))
5484 matches using X::b </pre></td></tr>
5485
5486
Aaron Ballman672dde22016-01-22 23:15:00 +00005487<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1UsingShadowDecl.html">UsingShadowDecl</a>&gt;</td><td class="name" onclick="toggle('hasTargetDecl0')"><a name="hasTargetDecl0Anchor">hasTargetDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005488<tr><td colspan="4" class="doc" id="hasTargetDecl0"><pre>Matches a using shadow declaration where the target declaration is
5489matched by the given matcher.
5490
5491Given
5492 namespace X { int a; void b(); }
5493 using X::a;
5494 using X::b;
5495usingDecl(hasAnyUsingShadowDecl(hasTargetDecl(functionDecl())))
5496 matches using X::b but not using X::a </pre></td></tr>
5497
5498
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00005499<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>&gt;</td><td class="name" onclick="toggle('hasType4')"><a name="hasType4Anchor">hasType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt; InnerMatcher</td></tr>
5500<tr><td colspan="4" class="doc" id="hasType4"><pre>Overloaded to match the declaration of the expression's or value
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005501declaration's type.
5502
5503In case of a value declaration (for example a variable declaration),
5504this resolves one layer of indirection. For example, in the value
5505declaration "X x;", cxxRecordDecl(hasName("X")) matches the declaration of
5506X, while varDecl(hasType(cxxRecordDecl(hasName("X")))) matches the
5507declaration of x.
5508
5509Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
5510 and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
5511 class X {};
5512 void y(X &amp;x) { x; X z; }
5513
Aaron Ballman672dde22016-01-22 23:15:00 +00005514Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt;, Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005515</pre></td></tr>
5516
5517
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00005518<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ValueDecl.html">ValueDecl</a>&gt;</td><td class="name" onclick="toggle('hasType2')"><a name="hasType2Anchor">hasType</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
5519<tr><td colspan="4" class="doc" id="hasType2"><pre>Matches if the expression's or declaration's type matches a type
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005520matcher.
5521
5522Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
5523 and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00005524 and U (matcher = typedefDecl(hasType(asString("int")))
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005525 class X {};
5526 void y(X &amp;x) { x; X z; }
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00005527 typedef int U;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005528</pre></td></tr>
5529
5530
Aaron Ballman672dde22016-01-22 23:15:00 +00005531<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>&gt;</td><td class="name" onclick="toggle('hasInitializer0')"><a name="hasInitializer0Anchor">hasInitializer</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005532<tr><td colspan="4" class="doc" id="hasInitializer0"><pre>Matches a variable declaration that has an initializer expression
5533that matches the given matcher.
5534
5535Example matches x (matcher = varDecl(hasInitializer(callExpr())))
5536 bool y() { return true; }
5537 bool x = y();
5538</pre></td></tr>
5539
5540
Aaron Ballman672dde22016-01-22 23:15:00 +00005541<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1VariableArrayType.html">VariableArrayType</a>&gt;</td><td class="name" onclick="toggle('hasSizeExpr0')"><a name="hasSizeExpr0Anchor">hasSizeExpr</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005542<tr><td colspan="4" class="doc" id="hasSizeExpr0"><pre>Matches VariableArrayType nodes that have a specific size
5543expression.
5544
5545Given
5546 void f(int b) {
5547 int a[b];
5548 }
5549variableArrayType(hasSizeExpr(ignoringImpCasts(declRefExpr(to(
5550 varDecl(hasName("b")))))))
5551 matches "int a[b]"
5552</pre></td></tr>
5553
5554
Aaron Ballman672dde22016-01-22 23:15:00 +00005555<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1WhileStmt.html">WhileStmt</a>&gt;</td><td class="name" onclick="toggle('hasBody2')"><a name="hasBody2Anchor">hasBody</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt; InnerMatcher</td></tr>
Aaron Ballman2b6963f2016-01-20 16:26:48 +00005556<tr><td colspan="4" class="doc" id="hasBody2"><pre>Matches a 'for', 'while', 'do while' statement or a function
5557definition that has a given body.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005558
5559Given
5560 for (;;) {}
5561hasBody(compoundStmt())
5562 matches 'for (;;) {}'
5563with compoundStmt()
5564 matching '{}'
5565</pre></td></tr>
5566
5567
Aaron Ballman672dde22016-01-22 23:15:00 +00005568<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1WhileStmt.html">WhileStmt</a>&gt;</td><td class="name" onclick="toggle('hasCondition2')"><a name="hasCondition2Anchor">hasCondition</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005569<tr><td colspan="4" class="doc" id="hasCondition2"><pre>Matches the condition expression of an if statement, for loop,
Etienne Bergeron5500f952016-05-30 15:25:25 +00005570switch statement or conditional operator.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005571
5572Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
5573 if (true) {}
5574</pre></td></tr>
5575
5576
Aaron Ballman672dde22016-01-22 23:15:00 +00005577<tr><td>Matcher&lt;internal::BindableMatcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifierLoc.html">NestedNameSpecifierLoc</a>&gt;&gt;</td><td class="name" onclick="toggle('loc1')"><a name="loc1Anchor">loc</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1NestedNameSpecifier.html">NestedNameSpecifier</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005578<tr><td colspan="4" class="doc" id="loc1"><pre>Matches NestedNameSpecifierLocs for which the given inner
5579NestedNameSpecifier-matcher matches.
5580</pre></td></tr>
5581
5582
Aaron Ballman672dde22016-01-22 23:15:00 +00005583<tr><td>Matcher&lt;internal::BindableMatcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt;&gt;</td><td class="name" onclick="toggle('loc0')"><a name="loc0Anchor">loc</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>&gt; InnerMatcher</td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005584<tr><td colspan="4" class="doc" id="loc0"><pre>Matches TypeLocs for which the given inner
5585QualType-matcher matches.
5586</pre></td></tr>
5587
Benjamin Kramer7d0cc232015-11-20 07:57:46 +00005588<!--END_TRAVERSAL_MATCHERS -->
5589</table>
5590
5591</div>
5592</body>
5593</html>
5594
5595