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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
Aaron Ballman672dde22016-01-22 23:15:00 +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('isVolatileQualified0')"><a name="isVolatileQualified0Anchor">isVolatileQualified</a></td><td></td></tr>
Aaron Ballman6290fc92015-11-23 17:09:24 +00002972<tr><td colspan="4" class="doc" id="isVolatileQualified0"><pre>Matches QualType nodes that are volatile-qualified, i.e., that
2973include "top-level" volatile.
2974
2975Given
2976 void a(int);
2977 void b(int volatile);
2978 void c(volatile int);
2979 void d(volatile int*);
2980 void e(int volatile) {};
2981functionDecl(hasAnyParameter(hasType(isVolatileQualified())))
2982 matches "void b(int volatile)", "void c(volatile int)" and
2983 "void e(int volatile) {}". It does not match d as there
2984 is no top-level volatile on the parameter type "volatile int *".
2985</pre></td></tr>
2986
2987
Aaron Ballman672dde22016-01-22 23:15:00 +00002988<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 +00002989<tr><td colspan="4" class="doc" id="isClass0"><pre>Matches RecordDecl object that are spelled with "class."
2990
2991Example matches C, but not S or U.
2992 struct S {};
2993 class C {};
2994 union U {};
2995</pre></td></tr>
2996
2997
Aaron Ballman672dde22016-01-22 23:15:00 +00002998<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 +00002999<tr><td colspan="4" class="doc" id="isStruct0"><pre>Matches RecordDecl object that are spelled with "struct."
3000
3001Example matches S, but not C or U.
3002 struct S {};
3003 class C {};
3004 union U {};
3005</pre></td></tr>
3006
3007
Aaron Ballman672dde22016-01-22 23:15:00 +00003008<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 +00003009<tr><td colspan="4" class="doc" id="isUnion0"><pre>Matches RecordDecl object that are spelled with "union."
3010
3011Example matches U, but not C or S.
3012 struct S {};
3013 class C {};
3014 union U {};
3015</pre></td></tr>
3016
3017
Aaron Ballman672dde22016-01-22 23:15:00 +00003018<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 +00003019<tr><td colspan="4" class="doc" id="equalsBoundNode0"><pre>Matches if a node equals a previously bound node.
3020
3021Matches a node if it equals the node previously bound to ID.
3022
3023Given
3024 class X { int a; int b; };
3025cxxRecordDecl(
3026 has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
3027 has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))
3028 matches the class X, as a and b have the same type.
3029
3030Note that when multiple matches are involved via forEach* matchers,
3031equalsBoundNodes acts as a filter.
3032For example:
3033compoundStmt(
3034 forEachDescendant(varDecl().bind("d")),
3035 forEachDescendant(declRefExpr(to(decl(equalsBoundNode("d"))))))
3036will trigger a match for each combination of variable declaration
3037and reference to that variable declaration within a compound statement.
3038</pre></td></tr>
3039
3040
Samuel Benzaquena4076ea2016-05-04 20:45:00 +00003041<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>
3042<tr><td colspan="4" class="doc" id="equalsNode1"><pre>Matches if a node equals another node.
3043
3044Stmt has pointer identity in the AST.
3045</pre></td></tr>
3046
3047
Aaron Ballman672dde22016-01-22 23:15:00 +00003048<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 +00003049<tr><td colspan="4" class="doc" id="isExpansionInFileMatching1"><pre>Matches AST nodes that were expanded within files whose name is
3050partially matching a given regex.
3051
3052Example matches Y but not X
3053 (matcher = cxxRecordDecl(isExpansionInFileMatching("AST.*"))
3054 #include "ASTMatcher.h"
3055 class X {};
3056ASTMatcher.h:
3057 class Y {};
3058
Aaron Ballman672dde22016-01-22 23:15:00 +00003059Usable 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 +00003060</pre></td></tr>
3061
3062
Aaron Ballman672dde22016-01-22 23:15:00 +00003063<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 +00003064<tr><td colspan="4" class="doc" id="isExpansionInMainFile1"><pre>Matches AST nodes that were expanded within the main-file.
3065
3066Example matches X but not Y
3067 (matcher = cxxRecordDecl(isExpansionInMainFile())
3068 #include &lt;Y.h&gt;
3069 class X {};
3070Y.h:
3071 class Y {};
3072
Aaron Ballman672dde22016-01-22 23:15:00 +00003073Usable 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 +00003074</pre></td></tr>
3075
3076
Aaron Ballman672dde22016-01-22 23:15:00 +00003077<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 +00003078<tr><td colspan="4" class="doc" id="isExpansionInSystemHeader1"><pre>Matches AST nodes that were expanded within system-header-files.
3079
3080Example matches Y but not X
3081 (matcher = cxxRecordDecl(isExpansionInSystemHeader())
3082 #include &lt;SystemHeader.h&gt;
3083 class X {};
3084SystemHeader.h:
3085 class Y {};
3086
Aaron Ballman672dde22016-01-22 23:15:00 +00003087Usable 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 +00003088</pre></td></tr>
3089
3090
Etienne Bergeron3588be72016-05-12 04:20:04 +00003091<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>
3092<tr><td colspan="4" class="doc" id="hasSize1"><pre>Matches nodes that have the specified size.
3093
3094Given
3095 int a[42];
3096 int b[2 * 21];
3097 int c[41], d[43];
3098 char *s = "abcd";
3099 wchar_t *ws = L"abcd";
3100 char *w = "a";
3101constantArrayType(hasSize(42))
3102 matches "int a[42]" and "int b[2 * 21]"
3103stringLiteral(hasSize(4))
3104 matches "abcd", L"abcd"
3105</pre></td></tr>
3106
3107
Aaron Ballman672dde22016-01-22 23:15:00 +00003108<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 +00003109<tr><td colspan="4" class="doc" id="isDefinition0"><pre>Matches if a declaration has a body attached.
3110
3111Example matches A, va, fa
3112 class A {};
3113 class B; Doesn't match, as it has no body.
3114 int va;
3115 extern int vb; Doesn't match, as it doesn't define the variable.
3116 void fa() {}
3117 void fb(); Doesn't match, as it has no body.
3118
Aaron Ballman672dde22016-01-22 23:15:00 +00003119Usable 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 +00003120</pre></td></tr>
3121
3122
Aaron Ballman672dde22016-01-22 23:15:00 +00003123<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 +00003124<tr><td colspan="4" class="doc" id="equalsIntegralValue0"><pre>Matches a TemplateArgument of integral type with a given value.
3125
3126Note that 'Value' is a string as the template argument's value is
3127an arbitrary precision integer. 'Value' must be euqal to the canonical
3128representation of that integral value in base 10.
3129
3130Given
3131 template&lt;int T&gt; struct A {};
3132 C&lt;42&gt; c;
3133classTemplateSpecializationDecl(
3134 hasAnyTemplateArgument(equalsIntegralValue("42")))
3135 matches the implicit instantiation of C in C&lt;42&gt;.
3136</pre></td></tr>
3137
3138
Aaron Ballman672dde22016-01-22 23:15:00 +00003139<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 +00003140<tr><td colspan="4" class="doc" id="isIntegral0"><pre>Matches a TemplateArgument that is an integral value.
3141
3142Given
3143 template&lt;int T&gt; struct A {};
3144 C&lt;42&gt; c;
3145classTemplateSpecializationDecl(
3146 hasAnyTemplateArgument(isIntegral()))
3147 matches the implicit instantiation of C in C&lt;42&gt;
3148 with isIntegral() matching 42.
3149</pre></td></tr>
3150
3151
Aaron Ballman672dde22016-01-22 23:15:00 +00003152<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 +00003153<tr><td colspan="4" class="doc" id="templateArgumentCountIs1"><pre>Matches if the number of template arguments equals N.
3154
3155Given
3156 template&lt;typename T&gt; struct C {};
3157 C&lt;int&gt; c;
3158classTemplateSpecializationDecl(templateArgumentCountIs(1))
3159 matches C&lt;int&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_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 +00003164<tr><td colspan="4" class="doc" id="isExpansionInFileMatching2"><pre>Matches AST nodes that were expanded within files whose name is
3165partially matching a given regex.
3166
3167Example matches Y but not X
3168 (matcher = cxxRecordDecl(isExpansionInFileMatching("AST.*"))
3169 #include "ASTMatcher.h"
3170 class X {};
3171ASTMatcher.h:
3172 class Y {};
3173
Aaron Ballman672dde22016-01-22 23:15:00 +00003174Usable 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 +00003175</pre></td></tr>
3176
3177
Aaron Ballman672dde22016-01-22 23:15:00 +00003178<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 +00003179<tr><td colspan="4" class="doc" id="isExpansionInMainFile2"><pre>Matches AST nodes that were expanded within the main-file.
3180
3181Example matches X but not Y
3182 (matcher = cxxRecordDecl(isExpansionInMainFile())
3183 #include &lt;Y.h&gt;
3184 class X {};
3185Y.h:
3186 class Y {};
3187
Aaron Ballman672dde22016-01-22 23:15:00 +00003188Usable 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 +00003189</pre></td></tr>
3190
3191
Aaron Ballman672dde22016-01-22 23:15:00 +00003192<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 +00003193<tr><td colspan="4" class="doc" id="isExpansionInSystemHeader2"><pre>Matches AST nodes that were expanded within system-header-files.
3194
3195Example matches Y but not X
3196 (matcher = cxxRecordDecl(isExpansionInSystemHeader())
3197 #include &lt;SystemHeader.h&gt;
3198 class X {};
3199SystemHeader.h:
3200 class Y {};
3201
Aaron Ballman672dde22016-01-22 23:15:00 +00003202Usable 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 +00003203</pre></td></tr>
3204
3205
Aaron Ballman672dde22016-01-22 23:15:00 +00003206<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 +00003207<tr><td colspan="4" class="doc" id="booleanType0"><pre>Matches type bool.
3208
3209Given
3210 struct S { bool func(); };
3211functionDecl(returns(booleanType()))
3212 matches "bool func();"
3213</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_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 +00003217<tr><td colspan="4" class="doc" id="equalsBoundNode2"><pre>Matches if a node equals a previously bound node.
3218
3219Matches a node if it equals the node previously bound to ID.
3220
3221Given
3222 class X { int a; int b; };
3223cxxRecordDecl(
3224 has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
3225 has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))
3226 matches the class X, as a and b have the same type.
3227
3228Note that when multiple matches are involved via forEach* matchers,
3229equalsBoundNodes acts as a filter.
3230For example:
3231compoundStmt(
3232 forEachDescendant(varDecl().bind("d")),
3233 forEachDescendant(declRefExpr(to(decl(equalsBoundNode("d"))))))
3234will trigger a match for each combination of variable declaration
3235and reference to that variable declaration within a compound statement.
3236</pre></td></tr>
3237
3238
Samuel Benzaquena4076ea2016-05-04 20:45:00 +00003239<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>
3240<tr><td colspan="4" class="doc" id="equalsNode2"><pre>Matches if a node equals another node.
3241
3242Type has pointer identity in the AST.
3243</pre></td></tr>
3244
3245
Aaron Ballmaneb7e5d92016-02-18 16:36:01 +00003246<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>
3247<tr><td colspan="4" class="doc" id="realFloatingPointType0"><pre>Matches any real floating-point type (float, double, long double).
3248
3249Given
3250 int i;
3251 float f;
3252realFloatingPointType()
3253 matches "float f" but not "int i"
3254</pre></td></tr>
3255
3256
Aaron Ballman672dde22016-01-22 23:15:00 +00003257<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 +00003258<tr><td colspan="4" class="doc" id="voidType0"><pre>Matches type void.
3259
3260Given
3261 struct S { void func(); };
3262functionDecl(returns(voidType()))
3263 matches "void func();"
3264</pre></td></tr>
3265
3266
Aaron Ballman672dde22016-01-22 23:15:00 +00003267<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 +00003268<tr><td colspan="4" class="doc" id="ofKind0"><pre>Matches unary expressions of a certain kind.
3269
3270Given
3271 int x;
3272 int s = sizeof(x) + alignof(x)
3273unaryExprOrTypeTraitExpr(ofKind(UETT_SizeOf))
3274 matches sizeof(x)
3275</pre></td></tr>
3276
3277
Aaron Ballman672dde22016-01-22 23:15:00 +00003278<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 +00003279<tr><td colspan="4" class="doc" id="hasOperatorName1"><pre>Matches the operator Name of operator expressions (binary or
3280unary).
3281
3282Example matches a || b (matcher = binaryOperator(hasOperatorName("||")))
3283 !(a || b)
3284</pre></td></tr>
3285
3286
Aaron Ballman672dde22016-01-22 23:15:00 +00003287<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 +00003288<tr><td colspan="4" class="doc" id="hasAutomaticStorageDuration0"><pre>Matches a variable declaration that has automatic storage duration.
3289
3290Example matches x, but not y, z, or a.
3291(matcher = varDecl(hasAutomaticStorageDuration())
3292void f() {
3293 int x;
3294 static int y;
3295 thread_local int z;
3296}
3297int a;
3298</pre></td></tr>
3299
3300
Aaron Ballman672dde22016-01-22 23:15:00 +00003301<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 +00003302<tr><td colspan="4" class="doc" id="hasGlobalStorage0"><pre>Matches a variable declaration that does not have local storage.
3303
3304Example matches y and z (matcher = varDecl(hasGlobalStorage())
3305void f() {
3306 int x;
3307 static int y;
3308}
3309int z;
3310</pre></td></tr>
3311
3312
Aaron Ballman672dde22016-01-22 23:15:00 +00003313<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 +00003314<tr><td colspan="4" class="doc" id="hasLocalStorage0"><pre>Matches a variable declaration that has function scope and is a
3315non-static local variable.
3316
3317Example matches x (matcher = varDecl(hasLocalStorage())
3318void f() {
3319 int x;
3320 static int y;
3321}
3322int z;
3323</pre></td></tr>
3324
3325
Aaron Ballman672dde22016-01-22 23:15:00 +00003326<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 +00003327<tr><td colspan="4" class="doc" id="hasStaticStorageDuration0"><pre>Matches a variable declaration that has static storage duration.
3328
3329Example matches y and a, but not x or z.
3330(matcher = varDecl(hasStaticStorageDuration())
3331void f() {
3332 int x;
3333 static int y;
3334 thread_local int z;
3335}
3336int a;
3337</pre></td></tr>
3338
3339
Aaron Ballman672dde22016-01-22 23:15:00 +00003340<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 +00003341<tr><td colspan="4" class="doc" id="hasThreadStorageDuration0"><pre>Matches a variable declaration that has thread storage duration.
3342
3343Example matches z, but not x, z, or a.
3344(matcher = varDecl(hasThreadStorageDuration())
3345void f() {
3346 int x;
3347 static int y;
3348 thread_local int z;
3349}
3350int a;
3351</pre></td></tr>
3352
3353
Aaron Ballman672dde22016-01-22 23:15:00 +00003354<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 +00003355<tr><td colspan="4" class="doc" id="isConstexpr0"><pre>Matches constexpr variable and function declarations.
3356
3357Given:
3358 constexpr int foo = 42;
3359 constexpr int bar();
3360varDecl(isConstexpr())
3361 matches the declaration of foo.
3362functionDecl(isConstexpr())
3363 matches the declaration of bar.
3364</pre></td></tr>
3365
3366
Aaron Ballman672dde22016-01-22 23:15:00 +00003367<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 +00003368<tr><td colspan="4" class="doc" id="isDefinition1"><pre>Matches if a declaration has a body attached.
3369
3370Example matches A, va, fa
3371 class A {};
3372 class B; Doesn't match, as it has no body.
3373 int va;
3374 extern int vb; Doesn't match, as it doesn't define the variable.
3375 void fa() {}
3376 void fb(); Doesn't match, as it has no body.
3377
Aaron Ballman672dde22016-01-22 23:15:00 +00003378Usable 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 +00003379</pre></td></tr>
3380
3381
Aaron Ballman672dde22016-01-22 23:15:00 +00003382<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 +00003383<tr><td colspan="4" class="doc" id="isExceptionVariable0"><pre>Matches a variable declaration that is an exception variable from
3384a C++ catch block, or an Objective-C statement.
3385
3386Example matches x (matcher = varDecl(isExceptionVariable())
3387void f(int y) {
3388 try {
3389 } catch (int x) {
3390 }
3391}
3392</pre></td></tr>
3393
3394
Aaron Ballman672dde22016-01-22 23:15:00 +00003395<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 +00003396<tr><td colspan="4" class="doc" id="isExplicitTemplateSpecialization1"><pre>Matches explicit template specializations of function, class, or
3397static member variable template instantiations.
3398
3399Given
3400 template&lt;typename T&gt; void A(T t) { }
3401 template&lt;&gt; void A(int N) { }
3402functionDecl(isExplicitTemplateSpecialization())
3403 matches the specialization A&lt;int&gt;().
3404
Aaron Ballman672dde22016-01-22 23:15:00 +00003405Usable 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 +00003406</pre></td></tr>
3407
3408
Aaron Ballman672dde22016-01-22 23:15:00 +00003409<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 +00003410<tr><td colspan="4" class="doc" id="isTemplateInstantiation1"><pre>Matches template instantiations of function, class, or static
3411member variable template instantiations.
3412
3413Given
3414 template &lt;typename T&gt; class X {}; class A {}; X&lt;A&gt; x;
3415or
3416 template &lt;typename T&gt; class X {}; class A {}; template class X&lt;A&gt;;
3417cxxRecordDecl(hasName("::X"), isTemplateInstantiation())
3418 matches the template instantiation of X&lt;A&gt;.
3419
3420But given
3421 template &lt;typename T&gt; class X {}; class A {};
3422 template &lt;&gt; class X&lt;A&gt; {}; X&lt;A&gt; x;
3423cxxRecordDecl(hasName("::X"), isTemplateInstantiation())
3424 does not match, as X&lt;A&gt; is an explicit template specialization.
3425
Aaron Ballman672dde22016-01-22 23:15:00 +00003426Usable 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 +00003427</pre></td></tr>
3428
3429
Aaron Ballman672dde22016-01-22 23:15:00 +00003430<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 +00003431<tr><td colspan="4" class="doc" id="isInstantiated0"><pre>Matches declarations that are template instantiations or are inside
3432template instantiations.
3433
3434Given
3435 template&lt;typename T&gt; void A(T t) { T i; }
3436 A(0);
3437 A(0U);
3438functionDecl(isInstantiated())
3439 matches 'A(int) {...};' and 'A(unsigned) {...}'.
3440</pre></td></tr>
3441
3442
Aaron Ballmaneb7e5d92016-02-18 16:36:01 +00003443<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>
3444<tr><td colspan="4" class="doc" id="nullPointerConstant0"><pre>Matches expressions that resolve to a null pointer constant, such as
3445GNU's __null, C++11's nullptr, or C's NULL macro.
3446
3447Given:
3448 void *v1 = NULL;
3449 void *v2 = nullptr;
3450 void *v3 = __null; GNU extension
3451 char *cp = (char *)0;
3452 int *ip = 0;
3453 int i = 0;
3454expr(nullPointerConstant())
3455 matches the initializer for v1, v2, v3, cp, and ip. Does not match the
3456 initializer for i.
3457</pre></td></tr>
3458
3459
Samuel Benzaquena4076ea2016-05-04 20:45:00 +00003460<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>
3461<tr><td colspan="4" class="doc" id="hasAnyName0"><pre>Matches NamedDecl nodes that have any of the specified names.
3462
3463This matcher is only provided as a performance optimization of hasName.
3464 hasAnyName(a, b, c)
3465 is equivalent to, but faster than
3466 anyOf(hasName(a), hasName(b), hasName(c))
3467</pre></td></tr>
3468
3469
Aaron Ballman672dde22016-01-22 23:15:00 +00003470<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 +00003471<tr><td colspan="4" class="doc" id="isInTemplateInstantiation0"><pre>Matches statements inside of a template instantiation.
3472
3473Given
3474 int j;
3475 template&lt;typename T&gt; void A(T t) { T i; j += 42;}
3476 A(0);
3477 A(0U);
3478declStmt(isInTemplateInstantiation())
3479 matches 'int i;' and 'unsigned i'.
3480unless(stmt(isInTemplateInstantiation()))
3481 will NOT match j += 42; as it's shared between the template definition and
3482 instantiation.
3483</pre></td></tr>
3484
Benjamin Kramer7d0cc232015-11-20 07:57:46 +00003485<!--END_NARROWING_MATCHERS -->
3486</table>
3487
3488<!-- ======================================================================= -->
3489<h2 id="traversal-matchers">AST Traversal Matchers</h2>
3490<!-- ======================================================================= -->
3491
3492<p>Traversal matchers specify the relationship to other nodes that are
3493reachable from the current node.</p>
3494
3495<p>Note that there are special traversal matchers (has, hasDescendant, forEach and
3496forEachDescendant) which work on all nodes and allow users to write more generic
3497match expressions.</p>
3498
3499<table>
3500<tr style="text-align:left"><th>Return type</th><th>Name</th><th>Parameters</th></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003501<!-- START_TRAVERSAL_MATCHERS -->
3502
3503<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>
3504<tr><td colspan="4" class="doc" id="eachOf0"><pre>Matches if any of the given matchers matches.
3505
3506Unlike anyOf, eachOf will generate a match result for each
3507matching submatcher.
3508
3509For example, in:
3510 class A { int a; int b; };
3511The matcher:
3512 cxxRecordDecl(eachOf(has(fieldDecl(hasName("a")).bind("v")),
3513 has(fieldDecl(hasName("b")).bind("v"))))
3514will generate two results binding "v", the first of which binds
3515the field declaration of a, the second the field declaration of
3516b.
3517
3518Usable as: Any Matcher
3519</pre></td></tr>
3520
3521
3522<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('forEachDescendant0')"><a name="forEachDescendant0Anchor">forEachDescendant</a></td><td>Matcher&lt;*&gt;</td></tr>
3523<tr><td colspan="4" class="doc" id="forEachDescendant0"><pre>Matches AST nodes that have descendant AST nodes that match the
3524provided matcher.
3525
3526Example matches X, A, B, C
3527 (matcher = cxxRecordDecl(forEachDescendant(cxxRecordDecl(hasName("X")))))
3528 class X {}; Matches X, because X::X is a class of name X inside X.
3529 class A { class X {}; };
3530 class B { class C { class X {}; }; };
3531
3532DescendantT must be an AST base type.
3533
3534As opposed to 'hasDescendant', 'forEachDescendant' will cause a match for
3535each result that matches instead of only on the first one.
3536
3537Note: Recursively combined ForEachDescendant can cause many matches:
3538 cxxRecordDecl(forEachDescendant(cxxRecordDecl(
3539 forEachDescendant(cxxRecordDecl())
3540 )))
3541will match 10 times (plus injected class name matches) on:
3542 class A { class B { class C { class D { class E {}; }; }; }; };
3543
3544Usable as: Any Matcher
3545</pre></td></tr>
3546
3547
3548<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('forEach0')"><a name="forEach0Anchor">forEach</a></td><td>Matcher&lt;*&gt;</td></tr>
3549<tr><td colspan="4" class="doc" id="forEach0"><pre>Matches AST nodes that have child AST nodes that match the
3550provided matcher.
3551
3552Example matches X, Y
3553 (matcher = cxxRecordDecl(forEach(cxxRecordDecl(hasName("X")))
3554 class X {}; Matches X, because X::X is a class of name X inside X.
3555 class Y { class X {}; };
3556 class Z { class Y { class X {}; }; }; Does not match Z.
3557
3558ChildT must be an AST base type.
3559
3560As opposed to 'has', 'forEach' will cause a match for each result that
3561matches instead of only on the first one.
3562
3563Usable as: Any Matcher
3564</pre></td></tr>
3565
3566
3567<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('hasAncestor0')"><a name="hasAncestor0Anchor">hasAncestor</a></td><td>Matcher&lt;*&gt;</td></tr>
3568<tr><td colspan="4" class="doc" id="hasAncestor0"><pre>Matches AST nodes that have an ancestor that matches the provided
3569matcher.
3570
3571Given
3572void f() { if (true) { int x = 42; } }
3573void g() { for (;;) { int x = 43; } }
3574expr(integerLiteral(hasAncestor(ifStmt()))) matches 42, but not 43.
3575
3576Usable as: Any Matcher
3577</pre></td></tr>
3578
3579
3580<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('hasDescendant0')"><a name="hasDescendant0Anchor">hasDescendant</a></td><td>Matcher&lt;*&gt;</td></tr>
3581<tr><td colspan="4" class="doc" id="hasDescendant0"><pre>Matches AST nodes that have descendant AST nodes that match the
3582provided matcher.
3583
3584Example matches X, Y, Z
3585 (matcher = cxxRecordDecl(hasDescendant(cxxRecordDecl(hasName("X")))))
3586 class X {}; Matches X, because X::X is a class of name X inside X.
3587 class Y { class X {}; };
3588 class Z { class Y { class X {}; }; };
3589
3590DescendantT must be an AST base type.
3591
3592Usable as: Any Matcher
3593</pre></td></tr>
3594
3595
3596<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('has0')"><a name="has0Anchor">has</a></td><td>Matcher&lt;*&gt;</td></tr>
3597<tr><td colspan="4" class="doc" id="has0"><pre>Matches AST nodes that have child AST nodes that match the
3598provided matcher.
3599
3600Example matches X, Y
3601 (matcher = cxxRecordDecl(has(cxxRecordDecl(hasName("X")))
3602 class X {}; Matches X, because X::X is a class of name X inside X.
3603 class Y { class X {}; };
3604 class Z { class Y { class X {}; }; }; Does not match Z.
3605
3606ChildT must be an AST base type.
3607
3608Usable as: Any Matcher
Aaron Ballmanba8dbbe2016-06-06 18:52:17 +00003609Note that has is direct matcher, so it also matches things like implicit
3610casts and paren casts. If you are matching with expr then you should
3611probably consider using ignoringParenImpCasts like:
3612has(ignoringParenImpCasts(expr())).
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003613</pre></td></tr>
3614
3615
3616<tr><td>Matcher&lt;*&gt;</td><td class="name" onclick="toggle('hasParent0')"><a name="hasParent0Anchor">hasParent</a></td><td>Matcher&lt;*&gt;</td></tr>
3617<tr><td colspan="4" class="doc" id="hasParent0"><pre>Matches AST nodes that have a parent that matches the provided
3618matcher.
3619
3620Given
3621void f() { for (;;) { int x = 42; if (true) { int x = 43; } } }
3622compoundStmt(hasParent(ifStmt())) matches "{ int x = 43; }".
3623
3624Usable as: Any Matcher
3625</pre></td></tr>
3626
3627
Etienne Bergeron5500f952016-05-30 15:25:25 +00003628<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>
3629<tr><td colspan="4" class="doc" id="hasCondition5"><pre>Matches the condition expression of an if statement, for loop,
3630switch statement or conditional operator.
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00003631
3632Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
3633 if (true) {}
3634</pre></td></tr>
3635
3636
3637<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>
3638<tr><td colspan="4" class="doc" id="hasFalseExpression0"><pre>Matches the false branch expression of a conditional operator
3639(binary or ternary).
3640
3641Example matches b
3642 condition ? a : b
3643 condition ?: b
3644</pre></td></tr>
3645
3646
3647<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>
3648<tr><td colspan="4" class="doc" id="hasTrueExpression0"><pre>Matches the true branch expression of a conditional operator.
3649
3650Example 1 (conditional ternary operator): matches a
3651 condition ? a : b
3652
3653Example 2 (conditional binary operator): matches opaqueValueExpr(condition)
3654 condition ?: b
3655</pre></td></tr>
3656
3657
3658<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>
3659<tr><td colspan="4" class="doc" id="hasDeclaration8"><pre>Matches a node if the declaration associated with that node
3660matches the given matcher.
3661
3662The associated declaration is:
3663- for type nodes, the declaration of the underlying type
3664- for CallExpr, the declaration of the callee
3665- for MemberExpr, the declaration of the referenced member
3666- for CXXConstructExpr, the declaration of the constructor
3667
3668Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
3669function. e.g. various subtypes of clang::Type and various expressions.
3670
3671Usable 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;,
3672 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;,
3673 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;,
3674 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;,
3675 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;,
3676 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;
3677</pre></td></tr>
3678
3679
Aaron Ballman672dde22016-01-22 23:15:00 +00003680<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 +00003681<tr><td colspan="4" class="doc" id="hasBase0"><pre>Matches the base expression of an array subscript expression.
3682
3683Given
3684 int i[5];
3685 void f() { i[1] = 42; }
3686arraySubscriptExpression(hasBase(implicitCastExpr(
3687 hasSourceExpression(declRefExpr()))))
3688 matches i[1] with the declRefExpr() matching i
3689</pre></td></tr>
3690
3691
Aaron Ballman672dde22016-01-22 23:15:00 +00003692<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 +00003693<tr><td colspan="4" class="doc" id="hasIndex0"><pre>Matches the index expression of an array subscript expression.
3694
3695Given
3696 int i[5];
3697 void f() { i[1] = 42; }
3698arraySubscriptExpression(hasIndex(integerLiteral()))
3699 matches i[1] with the integerLiteral() matching 1
3700</pre></td></tr>
3701
3702
Aaron Ballman672dde22016-01-22 23:15:00 +00003703<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 +00003704<tr><td colspan="4" class="doc" id="hasLHS1"><pre>Matches the left hand side of binary operator expressions.
3705
3706Example matches a (matcher = binaryOperator(hasLHS()))
3707 a || b
3708</pre></td></tr>
3709
3710
Aaron Ballman672dde22016-01-22 23:15:00 +00003711<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 +00003712<tr><td colspan="4" class="doc" id="hasRHS1"><pre>Matches the right hand side of binary operator expressions.
3713
3714Example matches b (matcher = binaryOperator(hasRHS()))
3715 a || b
3716</pre></td></tr>
3717
3718
Aaron Ballman672dde22016-01-22 23:15:00 +00003719<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 +00003720<tr><td colspan="4" class="doc" id="hasElementTypeLoc0"><pre>Matches arrays and C99 complex types that have a specific element
3721type.
3722
3723Given
3724 struct A {};
3725 A a[7];
3726 int b[7];
3727arrayType(hasElementType(builtinType()))
3728 matches "int b[7]"
3729
Aaron Ballman672dde22016-01-22 23:15:00 +00003730Usable 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 +00003731</pre></td></tr>
3732
3733
Aaron Ballman672dde22016-01-22 23:15:00 +00003734<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 +00003735<tr><td colspan="4" class="doc" id="hasElementType0"><pre>Matches arrays and C99 complex types that have a specific element
3736type.
3737
3738Given
3739 struct A {};
3740 A a[7];
3741 int b[7];
3742arrayType(hasElementType(builtinType()))
3743 matches "int b[7]"
3744
Aaron Ballman672dde22016-01-22 23:15:00 +00003745Usable 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 +00003746</pre></td></tr>
3747
3748
Aaron Ballman672dde22016-01-22 23:15:00 +00003749<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 +00003750<tr><td colspan="4" class="doc" id="hasValueTypeLoc0"><pre>Matches atomic types with a specific value type.
3751
3752Given
3753 _Atomic(int) i;
3754 _Atomic(float) f;
3755atomicType(hasValueType(isInteger()))
3756 matches "_Atomic(int) i"
3757
Aaron Ballman672dde22016-01-22 23:15:00 +00003758Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AtomicType.html">AtomicType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003759</pre></td></tr>
3760
3761
Aaron Ballman672dde22016-01-22 23:15:00 +00003762<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 +00003763<tr><td colspan="4" class="doc" id="hasValueType0"><pre>Matches atomic types with a specific value type.
3764
3765Given
3766 _Atomic(int) i;
3767 _Atomic(float) f;
3768atomicType(hasValueType(isInteger()))
3769 matches "_Atomic(int) i"
3770
Aaron Ballman672dde22016-01-22 23:15:00 +00003771Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AtomicType.html">AtomicType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003772</pre></td></tr>
3773
3774
Aaron Ballman672dde22016-01-22 23:15:00 +00003775<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 +00003776<tr><td colspan="4" class="doc" id="hasDeducedType0"><pre>Matches AutoType nodes where the deduced type is a specific type.
3777
3778Note: There is no TypeLoc for the deduced type and thus no
3779getDeducedLoc() matcher.
3780
3781Given
3782 auto a = 1;
3783 auto b = 2.0;
3784autoType(hasDeducedType(isInteger()))
3785 matches "auto a"
3786
Aaron Ballman672dde22016-01-22 23:15:00 +00003787Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1AutoType.html">AutoType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003788</pre></td></tr>
3789
3790
Aaron Ballman672dde22016-01-22 23:15:00 +00003791<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 +00003792<tr><td colspan="4" class="doc" id="hasEitherOperand0"><pre>Matches if either the left hand side or the right hand side of a
3793binary operator matches.
3794</pre></td></tr>
3795
3796
Aaron Ballman672dde22016-01-22 23:15:00 +00003797<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 +00003798<tr><td colspan="4" class="doc" id="hasLHS0"><pre>Matches the left hand side of binary operator expressions.
3799
3800Example matches a (matcher = binaryOperator(hasLHS()))
3801 a || b
3802</pre></td></tr>
3803
3804
Aaron Ballman672dde22016-01-22 23:15:00 +00003805<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 +00003806<tr><td colspan="4" class="doc" id="hasRHS0"><pre>Matches the right hand side of binary operator expressions.
3807
3808Example matches b (matcher = binaryOperator(hasRHS()))
3809 a || b
3810</pre></td></tr>
3811
3812
Aaron Ballman672dde22016-01-22 23:15:00 +00003813<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 +00003814<tr><td colspan="4" class="doc" id="pointeeLoc0"><pre>Narrows PointerType (and similar) matchers to those where the
3815pointee matches a given matcher.
3816
3817Given
3818 int *a;
3819 int const *b;
3820 float const *f;
3821pointerType(pointee(isConstQualified(), isInteger()))
3822 matches "int const *b"
3823
Aaron Ballman672dde22016-01-22 23:15:00 +00003824Usable 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;,
3825 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 +00003826</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_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 +00003830<tr><td colspan="4" class="doc" id="pointee0"><pre>Narrows PointerType (and similar) matchers to those where the
3831pointee matches a given matcher.
3832
3833Given
3834 int *a;
3835 int const *b;
3836 float const *f;
3837pointerType(pointee(isConstQualified(), isInteger()))
3838 matches "int const *b"
3839
Aaron Ballman672dde22016-01-22 23:15:00 +00003840Usable 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;,
3841 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 +00003842</pre></td></tr>
3843
3844
Aaron Ballman672dde22016-01-22 23:15:00 +00003845<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 +00003846<tr><td colspan="4" class="doc" id="forEachArgumentWithParam1"><pre>Matches all arguments and their respective ParmVarDecl.
3847
3848Given
3849 void f(int i);
3850 int y;
3851 f(y);
3852callExpr(declRefExpr(to(varDecl(hasName("y")))),
3853parmVarDecl(hasType(isInteger())))
3854 matches f(y);
3855with declRefExpr(...)
3856 matching int y
3857and parmVarDecl(...)
3858 matching int i
3859</pre></td></tr>
3860
3861
Aaron Ballman672dde22016-01-22 23:15:00 +00003862<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 +00003863<tr><td colspan="4" class="doc" id="hasAnyArgument1"><pre>Matches any argument of a call expression or a constructor call
3864expression.
3865
3866Given
3867 void x(int, int, int) { int y; x(1, y, 42); }
3868callExpr(hasAnyArgument(declRefExpr()))
3869 matches x(1, y, 42)
3870with hasAnyArgument(...)
3871 matching y
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003872</pre></td></tr>
3873
3874
Aaron Ballman672dde22016-01-22 23:15:00 +00003875<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 +00003876<tr><td colspan="4" class="doc" id="hasArgument1"><pre>Matches the n'th argument of a call expression or a constructor
3877call expression.
3878
3879Example matches y in x(y)
3880 (matcher = callExpr(hasArgument(0, declRefExpr())))
3881 void x(int) { int y; x(y); }
3882</pre></td></tr>
3883
3884
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00003885<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>
3886<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 +00003887matches the given matcher.
3888
3889The associated declaration is:
3890- for type nodes, the declaration of the underlying type
3891- for CallExpr, the declaration of the callee
3892- for MemberExpr, the declaration of the referenced member
3893- for CXXConstructExpr, the declaration of the constructor
3894
3895Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
3896function. e.g. various subtypes of clang::Type and various expressions.
3897
Aaron Ballman672dde22016-01-22 23:15:00 +00003898Usable 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;,
3899 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 +00003900 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;,
3901 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 +00003902 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;,
3903 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 +00003904</pre></td></tr>
3905
3906
Aaron Ballman672dde22016-01-22 23:15:00 +00003907<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 +00003908<tr><td colspan="4" class="doc" id="forEachConstructorInitializer0"><pre>Matches each constructor initializer in a constructor definition.
3909
3910Given
3911 class A { A() : i(42), j(42) {} int i; int j; };
3912cxxConstructorDecl(forEachConstructorInitializer(
3913 forField(decl().bind("x"))
3914))
3915 will trigger two matches, binding for 'i' and 'j' respectively.
3916</pre></td></tr>
3917
3918
Aaron Ballman672dde22016-01-22 23:15:00 +00003919<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 +00003920<tr><td colspan="4" class="doc" id="hasAnyConstructorInitializer0"><pre>Matches a constructor initializer.
3921
3922Given
3923 struct Foo {
3924 Foo() : foo_(1) { }
3925 int foo_;
3926 };
3927cxxRecordDecl(has(cxxConstructorDecl(
3928 hasAnyConstructorInitializer(anything())
3929)))
3930 record matches Foo, hasAnyConstructorInitializer matches foo_(1)
3931</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_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 +00003935<tr><td colspan="4" class="doc" id="forField0"><pre>Matches the field declaration of a constructor initializer.
3936
3937Given
3938 struct Foo {
3939 Foo() : foo_(1) { }
3940 int foo_;
3941 };
3942cxxRecordDecl(has(cxxConstructorDecl(hasAnyConstructorInitializer(
3943 forField(hasName("foo_"))))))
3944 matches Foo
3945with forField matching foo_
3946</pre></td></tr>
3947
3948
Aaron Ballman672dde22016-01-22 23:15:00 +00003949<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 +00003950<tr><td colspan="4" class="doc" id="withInitializer0"><pre>Matches the initializer expression of a constructor initializer.
3951
3952Given
3953 struct Foo {
3954 Foo() : foo_(1) { }
3955 int foo_;
3956 };
3957cxxRecordDecl(has(cxxConstructorDecl(hasAnyConstructorInitializer(
3958 withInitializer(integerLiteral(equals(1)))))))
3959 matches Foo
3960with withInitializer matching (1)
3961</pre></td></tr>
3962
3963
Aaron Ballman672dde22016-01-22 23:15:00 +00003964<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 +00003965<tr><td colspan="4" class="doc" id="hasBody3"><pre>Matches a 'for', 'while', 'do while' statement or a function
3966definition that has a given body.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00003967
3968Given
3969 for (;;) {}
3970hasBody(compoundStmt())
3971 matches 'for (;;) {}'
3972with compoundStmt()
3973 matching '{}'
3974</pre></td></tr>
3975
3976
Aaron Ballman672dde22016-01-22 23:15:00 +00003977<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 +00003978<tr><td colspan="4" class="doc" id="hasLoopVariable0"><pre>Matches the initialization statement of a for loop.
3979
3980Example:
3981 forStmt(hasLoopVariable(anything()))
3982matches 'int x' in
3983 for (int x : a) { }
3984</pre></td></tr>
3985
3986
Aaron Ballman672dde22016-01-22 23:15:00 +00003987<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 +00003988<tr><td colspan="4" class="doc" id="hasRangeInit0"><pre>Matches the range initialization statement of a for loop.
3989
3990Example:
3991 forStmt(hasRangeInit(anything()))
3992matches 'a' in
3993 for (int x : a) { }
3994</pre></td></tr>
3995
3996
Aaron Ballman672dde22016-01-22 23:15:00 +00003997<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 +00003998<tr><td colspan="4" class="doc" id="onImplicitObjectArgument0"><pre></pre></td></tr>
3999
4000
Aaron Ballman672dde22016-01-22 23:15:00 +00004001<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 +00004002<tr><td colspan="4" class="doc" id="on0"><pre>Matches on the implicit object argument of a member call expression.
4003
4004Example matches y.x()
4005 (matcher = cxxMemberCallExpr(on(hasType(cxxRecordDecl(hasName("Y"))))))
4006 class Y { public: void x(); };
4007 void z() { Y y; y.x(); }",
4008
4009FIXME: Overload to allow directly matching types?
4010</pre></td></tr>
4011
4012
Aaron Ballman672dde22016-01-22 23:15:00 +00004013<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 +00004014<tr><td colspan="4" class="doc" id="thisPointerType1"><pre>Overloaded to match the type's declaration.
4015</pre></td></tr>
4016
4017
Aaron Ballman672dde22016-01-22 23:15:00 +00004018<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 +00004019<tr><td colspan="4" class="doc" id="thisPointerType0"><pre>Matches if the expression's type either matches the specified
4020matcher, or is a pointer to a type that matches the InnerMatcher.
4021</pre></td></tr>
4022
4023
Clement Courbet6ecaec82016-07-05 07:49:31 +00004024<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>
4025<tr><td colspan="4" class="doc" id="forEachOverridden0"><pre>Matches each method overriden by the given method. This matcher may
4026produce multiple matches.
4027
4028Given
4029 class A { virtual void f(); };
4030 class B : public A { void f(); };
4031 class C : public B { void f(); };
4032cxxMethodDecl(ofClass(hasName("C")),
4033 forEachOverridden(cxxMethodDecl().bind("b"))).bind("d")
4034 matches once, with "b" binding "A::f" and "d" binding "C::f" (Note
4035 that B::f is not overridden by C::f).
4036
4037The check can produce multiple matches in case of multiple inheritance, e.g.
4038 class A1 { virtual void f(); };
4039 class A2 { virtual void f(); };
4040 class C : public A1, public A2 { void f(); };
4041cxxMethodDecl(ofClass(hasName("C")),
4042 forEachOverridden(cxxMethodDecl().bind("b"))).bind("d")
4043 matches twice, once with "b" binding "A1::f" and "d" binding "C::f", and
4044 once with "b" binding "A2::f" and "d" binding "C::f".
4045</pre></td></tr>
4046
4047
Aaron Ballman672dde22016-01-22 23:15:00 +00004048<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 +00004049<tr><td colspan="4" class="doc" id="ofClass0"><pre>Matches the class declaration that the given method declaration
4050belongs to.
4051
4052FIXME: Generalize this for other kinds of declarations.
4053FIXME: What other kind of declarations would we need to generalize
4054this to?
4055
4056Example matches A() in the last line
4057 (matcher = cxxConstructExpr(hasDeclaration(cxxMethodDecl(
4058 ofClass(hasName("A"))))))
4059 class A {
4060 public:
4061 A();
4062 };
4063 A a = A();
4064</pre></td></tr>
4065
4066
Aaron Ballman672dde22016-01-22 23:15:00 +00004067<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 +00004068<tr><td colspan="4" class="doc" id="hasMethod0"><pre>Matches the first method of a class or struct that satisfies InnerMatcher.
4069
4070Given:
4071 class A { void func(); };
4072 class B { void member(); };
4073
4074cxxRecordDecl(hasMethod(hasName("func"))) matches the declaration of
4075A but not B.
4076</pre></td></tr>
4077
4078
Aaron Ballman672dde22016-01-22 23:15:00 +00004079<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 +00004080<tr><td colspan="4" class="doc" id="isDerivedFrom0"><pre>Matches C++ classes that are directly or indirectly derived from
4081a class matching Base.
4082
4083Note that a class is not considered to be derived from itself.
4084
4085Example matches Y, Z, C (Base == hasName("X"))
4086 class X;
4087 class Y : public X {}; directly derived
4088 class Z : public Y {}; indirectly derived
4089 typedef X A;
4090 typedef A B;
4091 class C : public B {}; derived from a typedef of X
4092
4093In the following example, Bar matches isDerivedFrom(hasName("X")):
4094 class Foo;
4095 typedef Foo X;
4096 class Bar : public Foo {}; derived from a type that X is a typedef of
4097</pre></td></tr>
4098
4099
Aaron Ballman672dde22016-01-22 23:15:00 +00004100<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 +00004101<tr><td colspan="4" class="doc" id="isSameOrDerivedFrom0"><pre>Similar to isDerivedFrom(), but also matches classes that directly
4102match Base.
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_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 +00004107<tr><td colspan="4" class="doc" id="callee1"><pre>Matches if the call expression's callee's declaration matches the
4108given matcher.
4109
4110Example matches y.x() (matcher = callExpr(callee(
4111 cxxMethodDecl(hasName("x")))))
4112 class Y { public: void x(); };
4113 void z() { Y y; y.x(); }
4114</pre></td></tr>
4115
4116
Aaron Ballman672dde22016-01-22 23:15:00 +00004117<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 +00004118<tr><td colspan="4" class="doc" id="callee0"><pre>Matches if the call expression's callee expression matches.
4119
4120Given
4121 class Y { void x() { this-&gt;x(); x(); Y y; y.x(); } };
4122 void f() { f(); }
4123callExpr(callee(expr()))
4124 matches this-&gt;x(), x(), y.x(), f()
4125with callee(...)
4126 matching this-&gt;x, x, y.x, f respectively
4127
Aaron Ballman672dde22016-01-22 23:15:00 +00004128Note: 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 +00004129because this introduces ambiguous overloads with calls to Callee taking a
Aaron Ballman672dde22016-01-22 23:15:00 +00004130internal::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 +00004131implemented in terms of implicit casts.
4132</pre></td></tr>
4133
4134
Aaron Ballman672dde22016-01-22 23:15:00 +00004135<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 +00004136<tr><td colspan="4" class="doc" id="forEachArgumentWithParam0"><pre>Matches all arguments and their respective ParmVarDecl.
4137
4138Given
4139 void f(int i);
4140 int y;
4141 f(y);
4142callExpr(declRefExpr(to(varDecl(hasName("y")))),
4143parmVarDecl(hasType(isInteger())))
4144 matches f(y);
4145with declRefExpr(...)
4146 matching int y
4147and parmVarDecl(...)
4148 matching int i
4149</pre></td></tr>
4150
4151
Aaron Ballman672dde22016-01-22 23:15:00 +00004152<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 +00004153<tr><td colspan="4" class="doc" id="hasAnyArgument0"><pre>Matches any argument of a call expression or a constructor call
4154expression.
4155
4156Given
4157 void x(int, int, int) { int y; x(1, y, 42); }
4158callExpr(hasAnyArgument(declRefExpr()))
4159 matches x(1, y, 42)
4160with hasAnyArgument(...)
4161 matching y
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004162</pre></td></tr>
4163
4164
Aaron Ballman672dde22016-01-22 23:15:00 +00004165<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 +00004166<tr><td colspan="4" class="doc" id="hasArgument0"><pre>Matches the n'th argument of a call expression or a constructor
4167call expression.
4168
4169Example matches y in x(y)
4170 (matcher = callExpr(hasArgument(0, declRefExpr())))
4171 void x(int) { int y; x(y); }
4172</pre></td></tr>
4173
4174
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004175<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>
4176<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 +00004177matches the given matcher.
4178
4179The associated declaration is:
4180- for type nodes, the declaration of the underlying type
4181- for CallExpr, the declaration of the callee
4182- for MemberExpr, the declaration of the referenced member
4183- for CXXConstructExpr, the declaration of the constructor
4184
4185Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
4186function. e.g. various subtypes of clang::Type and various expressions.
4187
Aaron Ballman672dde22016-01-22 23:15:00 +00004188Usable 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;,
4189 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 +00004190 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;,
4191 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 +00004192 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;,
4193 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 +00004194</pre></td></tr>
4195
4196
Aaron Ballman672dde22016-01-22 23:15:00 +00004197<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 +00004198<tr><td colspan="4" class="doc" id="hasCaseConstant0"><pre>If the given case statement does not use the GNU case range
4199extension, matches the constant given in the statement.
4200
4201Given
4202 switch (1) { case 1: case 1+1: case 3 ... 4: ; }
4203caseStmt(hasCaseConstant(integerLiteral()))
4204 matches "case 1:"
4205</pre></td></tr>
4206
4207
Aaron Ballman672dde22016-01-22 23:15:00 +00004208<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 +00004209<tr><td colspan="4" class="doc" id="hasSourceExpression0"><pre></pre></td></tr>
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004210
4211
Aaron Ballman672dde22016-01-22 23:15:00 +00004212<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 +00004213<tr><td colspan="4" class="doc" id="hasAnyTemplateArgument0"><pre>Matches classTemplateSpecializations that have at least one
4214TemplateArgument matching the given InnerMatcher.
4215
4216Given
4217 template&lt;typename T&gt; class A {};
4218 template&lt;&gt; class A&lt;double&gt; {};
4219 A&lt;int&gt; a;
4220classTemplateSpecializationDecl(hasAnyTemplateArgument(
4221 refersToType(asString("int"))))
4222 matches the specialization A&lt;int&gt;
4223</pre></td></tr>
4224
4225
Aaron Ballman672dde22016-01-22 23:15:00 +00004226<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 +00004227<tr><td colspan="4" class="doc" id="hasTemplateArgument0"><pre>Matches classTemplateSpecializations where the n'th TemplateArgument
4228matches the given InnerMatcher.
4229
4230Given
4231 template&lt;typename T, typename U&gt; class A {};
4232 A&lt;bool, int&gt; b;
4233 A&lt;int, bool&gt; c;
4234classTemplateSpecializationDecl(hasTemplateArgument(
4235 1, refersToType(asString("int"))))
4236 matches the specialization A&lt;bool, int&gt;
4237</pre></td></tr>
4238
4239
Aaron Ballman672dde22016-01-22 23:15:00 +00004240<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 +00004241<tr><td colspan="4" class="doc" id="hasElementTypeLoc1"><pre>Matches arrays and C99 complex types that have a specific element
4242type.
4243
4244Given
4245 struct A {};
4246 A a[7];
4247 int b[7];
4248arrayType(hasElementType(builtinType()))
4249 matches "int b[7]"
4250
Aaron Ballman672dde22016-01-22 23:15:00 +00004251Usable 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 +00004252</pre></td></tr>
4253
4254
Aaron Ballman672dde22016-01-22 23:15:00 +00004255<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 +00004256<tr><td colspan="4" class="doc" id="hasElementType1"><pre>Matches arrays and C99 complex types that have a specific element
4257type.
4258
4259Given
4260 struct A {};
4261 A a[7];
4262 int b[7];
4263arrayType(hasElementType(builtinType()))
4264 matches "int b[7]"
4265
Aaron Ballman672dde22016-01-22 23:15:00 +00004266Usable 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 +00004267</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_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 +00004271<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 +00004272a given matcher. Also matches StmtExprs that have CompoundStmt as children.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004273
4274Given
4275 { {}; 1+2; }
4276hasAnySubstatement(compoundStmt())
4277 matches '{ {}; 1+2; }'
4278with compoundStmt()
4279 matching '{}'
4280</pre></td></tr>
4281
4282
Aaron Ballman672dde22016-01-22 23:15:00 +00004283<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 +00004284<tr><td colspan="4" class="doc" id="hasDecayedType0"><pre>Matches the decayed type, whos decayed type matches InnerMatcher
4285</pre></td></tr>
4286
4287
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004288<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>
4289<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 +00004290matches the given matcher.
4291
4292The associated declaration is:
4293- for type nodes, the declaration of the underlying type
4294- for CallExpr, the declaration of the callee
4295- for MemberExpr, the declaration of the referenced member
4296- for CXXConstructExpr, the declaration of the constructor
4297
4298Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
4299function. e.g. various subtypes of clang::Type and various expressions.
4300
Aaron Ballman672dde22016-01-22 23:15:00 +00004301Usable 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;,
4302 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 +00004303 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;,
4304 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 +00004305 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;,
4306 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 +00004307</pre></td></tr>
4308
4309
Aaron Ballman672dde22016-01-22 23:15:00 +00004310<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 +00004311<tr><td colspan="4" class="doc" id="throughUsingDecl0"><pre>Matches a DeclRefExpr that refers to a declaration through a
4312specific using shadow declaration.
4313
4314Given
4315 namespace a { void f() {} }
4316 using a::f;
4317 void g() {
4318 f(); Matches this ..
4319 a::f(); .. but not this.
4320 }
4321declRefExpr(throughUsingDecl(anything()))
4322 matches f()
4323</pre></td></tr>
4324
4325
Aaron Ballman672dde22016-01-22 23:15:00 +00004326<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 +00004327<tr><td colspan="4" class="doc" id="to0"><pre>Matches a DeclRefExpr that refers to a declaration that matches the
4328specified matcher.
4329
4330Example matches x in if(x)
4331 (matcher = declRefExpr(to(varDecl(hasName("x")))))
4332 bool x;
4333 if (x) {}
4334</pre></td></tr>
4335
4336
Aaron Ballman672dde22016-01-22 23:15:00 +00004337<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 +00004338<tr><td colspan="4" class="doc" id="containsDeclaration0"><pre>Matches the n'th declaration of a declaration statement.
4339
4340Note that this does not work for global declarations because the AST
4341breaks up multiple-declaration DeclStmt's into multiple single-declaration
4342DeclStmt's.
4343Example: Given non-global declarations
4344 int a, b = 0;
4345 int c;
4346 int d = 2, e;
4347declStmt(containsDeclaration(
4348 0, varDecl(hasInitializer(anything()))))
4349 matches only 'int d = 2, e;', and
4350declStmt(containsDeclaration(1, varDecl()))
4351 matches 'int a, b = 0' as well as 'int d = 2, e;'
4352 but 'int c;' is not matched.
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_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 +00004357<tr><td colspan="4" class="doc" id="hasSingleDecl0"><pre>Matches the Decl of a DeclStmt which has a single declaration.
4358
4359Given
4360 int a, b;
4361 int c;
4362declStmt(hasSingleDecl(anything()))
4363 matches 'int c;' but not 'int a, b;'.
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_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 +00004368<tr><td colspan="4" class="doc" id="hasTypeLoc0"><pre>Matches if the type location of the declarator decl's type matches
4369the inner matcher.
4370
4371Given
4372 int x;
4373declaratorDecl(hasTypeLoc(loc(asString("int"))))
4374 matches int x
4375</pre></td></tr>
4376
4377
Aaron Ballman672dde22016-01-22 23:15:00 +00004378<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 +00004379<tr><td colspan="4" class="doc" id="hasDeclContext0"><pre>Matches declarations whose declaration context, interpreted as a
4380Decl, matches InnerMatcher.
4381
4382Given
4383 namespace N {
4384 namespace M {
4385 class D {};
4386 }
4387 }
4388
4389cxxRcordDecl(hasDeclContext(namedDecl(hasName("M")))) matches the
4390declaration of class D.
4391</pre></td></tr>
4392
4393
Aaron Ballman672dde22016-01-22 23:15:00 +00004394<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 +00004395<tr><td colspan="4" class="doc" id="hasBody0"><pre>Matches a 'for', 'while', 'do while' statement or a function
4396definition that has a given body.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004397
4398Given
4399 for (;;) {}
4400hasBody(compoundStmt())
4401 matches 'for (;;) {}'
4402with compoundStmt()
4403 matching '{}'
4404</pre></td></tr>
4405
4406
Aaron Ballman672dde22016-01-22 23:15:00 +00004407<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 +00004408<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 +00004409switch statement or conditional operator.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004410
4411Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
4412 if (true) {}
4413</pre></td></tr>
4414
4415
Aaron Ballman672dde22016-01-22 23:15:00 +00004416<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 +00004417<tr><td colspan="4" class="doc" id="hasQualifier0"><pre>Matches ElaboratedTypes whose qualifier, a NestedNameSpecifier,
4418matches InnerMatcher if the qualifier exists.
4419
4420Given
4421 namespace N {
4422 namespace M {
4423 class D {};
4424 }
4425 }
4426 N::M::D d;
4427
4428elaboratedType(hasQualifier(hasPrefix(specifiesNamespace(hasName("N"))))
4429matches the type of the variable declaration of d.
4430</pre></td></tr>
4431
4432
Aaron Ballman672dde22016-01-22 23:15:00 +00004433<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 +00004434<tr><td colspan="4" class="doc" id="namesType0"><pre>Matches ElaboratedTypes whose named type matches InnerMatcher.
4435
4436Given
4437 namespace N {
4438 namespace M {
4439 class D {};
4440 }
4441 }
4442 N::M::D d;
4443
4444elaboratedType(namesType(recordType(
4445hasDeclaration(namedDecl(hasName("D")))))) matches the type of the variable
4446declaration of d.
4447</pre></td></tr>
4448
4449
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004450<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>
4451<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 +00004452matches the given matcher.
4453
4454The associated declaration is:
4455- for type nodes, the declaration of the underlying type
4456- for CallExpr, the declaration of the callee
4457- for MemberExpr, the declaration of the referenced member
4458- for CXXConstructExpr, the declaration of the constructor
4459
4460Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
4461function. e.g. various subtypes of clang::Type and various expressions.
4462
Aaron Ballman672dde22016-01-22 23:15:00 +00004463Usable 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;,
4464 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 +00004465 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;,
4466 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 +00004467 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;,
4468 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 +00004469</pre></td></tr>
4470
4471
Aaron Ballman672dde22016-01-22 23:15:00 +00004472<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 +00004473<tr><td colspan="4" class="doc" id="hasDestinationType0"><pre>Matches casts whose destination type matches a given matcher.
4474
4475(Note: Clang's AST refers to other conversions as "casts" too, and calls
4476actual casts "explicit" casts.)
4477</pre></td></tr>
4478
4479
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00004480<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>
4481<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 +00004482declaration's type.
4483
4484In case of a value declaration (for example a variable declaration),
4485this resolves one layer of indirection. For example, in the value
4486declaration "X x;", cxxRecordDecl(hasName("X")) matches the declaration of
4487X, while varDecl(hasType(cxxRecordDecl(hasName("X")))) matches the
4488declaration of x.
4489
4490Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
4491 and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
4492 class X {};
4493 void y(X &amp;x) { x; X z; }
4494
Aaron Ballman672dde22016-01-22 23:15:00 +00004495Usable 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 +00004496</pre></td></tr>
4497
4498
Aaron Ballman672dde22016-01-22 23:15:00 +00004499<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 +00004500<tr><td colspan="4" class="doc" id="hasType0"><pre>Matches if the expression's or declaration's type matches a type
4501matcher.
4502
4503Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
4504 and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00004505 and U (matcher = typedefDecl(hasType(asString("int")))
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004506 class X {};
4507 void y(X &amp;x) { x; X z; }
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00004508 typedef int U;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004509</pre></td></tr>
4510
4511
Aaron Ballman672dde22016-01-22 23:15:00 +00004512<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 +00004513<tr><td colspan="4" class="doc" id="ignoringImpCasts0"><pre>Matches expressions that match InnerMatcher after any implicit casts
4514are stripped off.
4515
4516Parentheses and explicit casts are not discarded.
4517Given
4518 int arr[5];
4519 int a = 0;
4520 char b = 0;
4521 const int c = a;
4522 int *d = arr;
4523 long e = (long) 0l;
4524The matchers
4525 varDecl(hasInitializer(ignoringImpCasts(integerLiteral())))
4526 varDecl(hasInitializer(ignoringImpCasts(declRefExpr())))
4527would match the declarations for a, b, c, and d, but not e.
4528While
4529 varDecl(hasInitializer(integerLiteral()))
4530 varDecl(hasInitializer(declRefExpr()))
4531only match the declarations for b, c, and d.
4532</pre></td></tr>
4533
4534
Cong Liu8a02efb2016-06-24 09:38:03 +00004535<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>
4536<tr><td colspan="4" class="doc" id="ignoringImplicit0"><pre>Matches expressions that match InnerMatcher after any implicit AST
4537nodes are stripped off.
4538
4539Parentheses and explicit casts are not discarded.
4540Given
4541 class C {};
4542 C a = C();
4543 C b;
4544 C c = b;
4545The matchers
4546 varDecl(hasInitializer(ignoringImplicit(cxxConstructExpr())))
4547would match the declarations for a, b, and c.
4548While
4549 varDecl(hasInitializer(cxxConstructExpr()))
4550only match the declarations for b and c.
4551</pre></td></tr>
4552
4553
Aaron Ballman672dde22016-01-22 23:15:00 +00004554<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 +00004555<tr><td colspan="4" class="doc" id="ignoringParenCasts0"><pre>Matches expressions that match InnerMatcher after parentheses and
4556casts are stripped off.
4557
4558Implicit and non-C Style casts are also discarded.
4559Given
4560 int a = 0;
4561 char b = (0);
4562 void* c = reinterpret_cast&lt;char*&gt;(0);
4563 char d = char(0);
4564The matcher
4565 varDecl(hasInitializer(ignoringParenCasts(integerLiteral())))
4566would match the declarations for a, b, c, and d.
4567while
4568 varDecl(hasInitializer(integerLiteral()))
4569only match the declaration for a.
4570</pre></td></tr>
4571
4572
Aaron Ballman672dde22016-01-22 23:15:00 +00004573<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 +00004574<tr><td colspan="4" class="doc" id="ignoringParenImpCasts0"><pre>Matches expressions that match InnerMatcher after implicit casts and
4575parentheses are stripped off.
4576
4577Explicit casts are not discarded.
4578Given
4579 int arr[5];
4580 int a = 0;
4581 char b = (0);
4582 const int c = a;
4583 int *d = (arr);
4584 long e = ((long) 0l);
4585The matchers
4586 varDecl(hasInitializer(ignoringParenImpCasts(integerLiteral())))
4587 varDecl(hasInitializer(ignoringParenImpCasts(declRefExpr())))
4588would match the declarations for a, b, c, and d, but not e.
4589while
4590 varDecl(hasInitializer(integerLiteral()))
4591 varDecl(hasInitializer(declRefExpr()))
4592would only match the declaration for a.
4593</pre></td></tr>
4594
4595
Aaron Ballman672dde22016-01-22 23:15:00 +00004596<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 +00004597<tr><td colspan="4" class="doc" id="hasBody1"><pre>Matches a 'for', 'while', 'do while' statement or a function
4598definition that has a given body.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004599
4600Given
4601 for (;;) {}
4602hasBody(compoundStmt())
4603 matches 'for (;;) {}'
4604with compoundStmt()
4605 matching '{}'
4606</pre></td></tr>
4607
4608
Aaron Ballman672dde22016-01-22 23:15:00 +00004609<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 +00004610<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 +00004611switch statement or conditional operator.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004612
4613Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
4614 if (true) {}
4615</pre></td></tr>
4616
4617
Aaron Ballman672dde22016-01-22 23:15:00 +00004618<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 +00004619<tr><td colspan="4" class="doc" id="hasIncrement0"><pre>Matches the increment statement of a for loop.
4620
4621Example:
4622 forStmt(hasIncrement(unaryOperator(hasOperatorName("++"))))
4623matches '++x' in
4624 for (x; x &lt; N; ++x) { }
4625</pre></td></tr>
4626
4627
Aaron Ballman672dde22016-01-22 23:15:00 +00004628<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 +00004629<tr><td colspan="4" class="doc" id="hasLoopInit0"><pre>Matches the initialization statement of a for loop.
4630
4631Example:
4632 forStmt(hasLoopInit(declStmt()))
4633matches 'int x = 0' in
4634 for (int x = 0; x &lt; N; ++x) { }
4635</pre></td></tr>
4636
4637
Aaron Ballman672dde22016-01-22 23:15:00 +00004638<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 +00004639<tr><td colspan="4" class="doc" id="hasAnyParameter0"><pre>Matches any parameter of a function declaration.
4640
4641Does not match the 'this' parameter of a method.
4642
4643Given
4644 class X { void f(int x, int y, int z) {} };
4645cxxMethodDecl(hasAnyParameter(hasName("y")))
4646 matches f(int x, int y, int z) {}
4647with hasAnyParameter(...)
4648 matching int y
4649</pre></td></tr>
4650
4651
Aaron Ballman672dde22016-01-22 23:15:00 +00004652<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 +00004653<tr><td colspan="4" class="doc" id="hasBody4"><pre>Matches a 'for', 'while', 'do while' statement or a function
4654definition that has a given body.
4655
4656Given
4657 for (;;) {}
4658hasBody(compoundStmt())
4659 matches 'for (;;) {}'
4660with compoundStmt()
4661 matching '{}'
4662</pre></td></tr>
4663
4664
Aaron Ballman672dde22016-01-22 23:15:00 +00004665<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 +00004666<tr><td colspan="4" class="doc" id="hasParameter0"><pre>Matches the n'th parameter of a function declaration.
4667
4668Given
4669 class X { void f(int x) {} };
4670cxxMethodDecl(hasParameter(0, hasType(varDecl())))
4671 matches f(int x) {}
4672with hasParameter(...)
4673 matching int x
4674</pre></td></tr>
4675
4676
Aaron Ballman672dde22016-01-22 23:15:00 +00004677<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 +00004678<tr><td colspan="4" class="doc" id="returns0"><pre>Matches the return type of a function declaration.
4679
4680Given:
4681 class X { int f() { return 1; } };
4682cxxMethodDecl(returns(asString("int")))
4683 matches int f() { return 1; }
4684</pre></td></tr>
4685
4686
Aaron Ballman672dde22016-01-22 23:15:00 +00004687<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 +00004688<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 +00004689switch statement or conditional operator.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004690
4691Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
4692 if (true) {}
4693</pre></td></tr>
4694
4695
Aaron Ballman672dde22016-01-22 23:15:00 +00004696<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 +00004697<tr><td colspan="4" class="doc" id="hasConditionVariableStatement0"><pre>Matches the condition variable statement in an if statement.
4698
4699Given
4700 if (A* a = GetAPointer()) {}
4701hasConditionVariableStatement(...)
4702 matches 'A* a = GetAPointer()'.
4703</pre></td></tr>
4704
4705
Aaron Ballman672dde22016-01-22 23:15:00 +00004706<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 +00004707<tr><td colspan="4" class="doc" id="hasElse0"><pre>Matches the else-statement of an if statement.
4708
4709Examples matches the if statement
4710 (matcher = ifStmt(hasElse(cxxBoolLiteral(equals(true)))))
4711 if (false) false; else true;
4712</pre></td></tr>
4713
4714
Aaron Ballman672dde22016-01-22 23:15:00 +00004715<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 +00004716<tr><td colspan="4" class="doc" id="hasThen0"><pre>Matches the then-statement of an if statement.
4717
4718Examples matches the if statement
4719 (matcher = ifStmt(hasThen(cxxBoolLiteral(equals(true)))))
4720 if (false) true; else false;
4721</pre></td></tr>
4722
4723
Aaron Ballman672dde22016-01-22 23:15:00 +00004724<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 +00004725<tr><td colspan="4" class="doc" id="hasImplicitDestinationType0"><pre>Matches implicit casts whose destination type matches a given
4726matcher.
4727
4728FIXME: Unit test this matcher
4729</pre></td></tr>
4730
4731
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004732<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>
4733<tr><td colspan="4" class="doc" id="hasSyntacticForm0"><pre>Matches the syntactic form of init list expressions
4734(if expression have it).
4735</pre></td></tr>
4736
4737
4738<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>
4739<tr><td colspan="4" class="doc" id="hasDeclaration10"><pre>Matches a node if the declaration associated with that node
4740matches the given matcher.
4741
4742The associated declaration is:
4743- for type nodes, the declaration of the underlying type
4744- for CallExpr, the declaration of the callee
4745- for MemberExpr, the declaration of the referenced member
4746- for CXXConstructExpr, the declaration of the constructor
4747
4748Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
4749function. e.g. various subtypes of clang::Type and various expressions.
4750
4751Usable 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;,
4752 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;,
4753 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;,
4754 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;,
4755 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;,
4756 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;
4757</pre></td></tr>
4758
4759
4760<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 +00004761<tr><td colspan="4" class="doc" id="hasDeclaration9"><pre>Matches a node if the declaration associated with that node
4762matches the given matcher.
4763
4764The associated declaration is:
4765- for type nodes, the declaration of the underlying type
4766- for CallExpr, the declaration of the callee
4767- for MemberExpr, the declaration of the referenced member
4768- for CXXConstructExpr, the declaration of the constructor
4769
4770Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
4771function. e.g. various subtypes of clang::Type and various expressions.
4772
Aaron Ballman672dde22016-01-22 23:15:00 +00004773Usable 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;,
4774 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 +00004775 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;,
4776 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 +00004777 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;,
4778 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 +00004779</pre></td></tr>
4780
4781
Aaron Ballman672dde22016-01-22 23:15:00 +00004782<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 +00004783<tr><td colspan="4" class="doc" id="hasDeclaration7"><pre>Matches a node if the declaration associated with that node
4784matches the given matcher.
4785
4786The associated declaration is:
4787- for type nodes, the declaration of the underlying type
4788- for CallExpr, the declaration of the callee
4789- for MemberExpr, the declaration of the referenced member
4790- for CXXConstructExpr, the declaration of the constructor
4791
4792Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
4793function. e.g. various subtypes of clang::Type and various expressions.
4794
Aaron Ballman672dde22016-01-22 23:15:00 +00004795Usable 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;,
4796 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 +00004797 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;,
4798 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 +00004799 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;,
4800 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 +00004801</pre></td></tr>
4802
4803
Aaron Ballman672dde22016-01-22 23:15:00 +00004804<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 +00004805<tr><td colspan="4" class="doc" id="hasObjectExpression0"><pre>Matches a member expression where the object expression is
4806matched by a given matcher.
4807
4808Given
4809 struct X { int m; };
4810 void f(X x) { x.m; m; }
4811memberExpr(hasObjectExpression(hasType(cxxRecordDecl(hasName("X")))))))
4812 matches "x.m" and "m"
4813with hasObjectExpression(...)
4814 matching "x" and the implicit object expression of "m" which has type X*.
4815</pre></td></tr>
4816
4817
Aaron Ballman672dde22016-01-22 23:15:00 +00004818<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 +00004819<tr><td colspan="4" class="doc" id="member0"><pre>Matches a member expression where the member is matched by a
4820given matcher.
4821
4822Given
4823 struct { int first, second; } first, second;
4824 int i(second.first);
4825 int j(first.second);
4826memberExpr(member(hasName("first")))
4827 matches second.first
4828 but not first.second (because the member name there is "second").
4829</pre></td></tr>
4830
4831
Aaron Ballman672dde22016-01-22 23:15:00 +00004832<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 +00004833<tr><td colspan="4" class="doc" id="pointeeLoc1"><pre>Narrows PointerType (and similar) matchers to those where the
4834pointee matches a given matcher.
4835
4836Given
4837 int *a;
4838 int const *b;
4839 float const *f;
4840pointerType(pointee(isConstQualified(), isInteger()))
4841 matches "int const *b"
4842
Aaron Ballman672dde22016-01-22 23:15:00 +00004843Usable 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;,
4844 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 +00004845</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_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 +00004849<tr><td colspan="4" class="doc" id="pointee1"><pre>Narrows PointerType (and similar) matchers to those where the
4850pointee matches a given matcher.
4851
4852Given
4853 int *a;
4854 int const *b;
4855 float const *f;
4856pointerType(pointee(isConstQualified(), isInteger()))
4857 matches "int const *b"
4858
Aaron Ballman672dde22016-01-22 23:15:00 +00004859Usable 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;,
4860 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 +00004861</pre></td></tr>
4862
4863
Aaron Ballman672dde22016-01-22 23:15:00 +00004864<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 +00004865<tr><td colspan="4" class="doc" id="hasPrefix1"><pre>Matches on the prefix of a NestedNameSpecifierLoc.
4866
4867Given
4868 struct A { struct B { struct C {}; }; };
4869 A::B::C c;
4870nestedNameSpecifierLoc(hasPrefix(loc(specifiesType(asString("struct A")))))
4871 matches "A::"
4872</pre></td></tr>
4873
4874
Aaron Ballman672dde22016-01-22 23:15:00 +00004875<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 +00004876<tr><td colspan="4" class="doc" id="specifiesTypeLoc0"><pre>Matches nested name specifier locs that specify a type matching the
4877given TypeLoc.
4878
4879Given
4880 struct A { struct B { struct C {}; }; };
4881 A::B::C c;
4882nestedNameSpecifierLoc(specifiesTypeLoc(loc(type(
4883 hasDeclaration(cxxRecordDecl(hasName("A")))))))
4884 matches "A::"
4885</pre></td></tr>
4886
4887
Aaron Ballman672dde22016-01-22 23:15:00 +00004888<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 +00004889<tr><td colspan="4" class="doc" id="hasPrefix0"><pre>Matches on the prefix of a NestedNameSpecifier.
4890
4891Given
4892 struct A { struct B { struct C {}; }; };
4893 A::B::C c;
4894nestedNameSpecifier(hasPrefix(specifiesType(asString("struct A")))) and
4895 matches "A::"
4896</pre></td></tr>
4897
4898
Aaron Ballman672dde22016-01-22 23:15:00 +00004899<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 +00004900<tr><td colspan="4" class="doc" id="specifiesNamespace0"><pre>Matches nested name specifiers that specify a namespace matching the
4901given namespace matcher.
4902
4903Given
4904 namespace ns { struct A {}; }
4905 ns::A a;
4906nestedNameSpecifier(specifiesNamespace(hasName("ns")))
4907 matches "ns::"
4908</pre></td></tr>
4909
4910
Aaron Ballman672dde22016-01-22 23:15:00 +00004911<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 +00004912<tr><td colspan="4" class="doc" id="specifiesType0"><pre>Matches nested name specifiers that specify a type matching the
4913given QualType matcher without qualifiers.
4914
4915Given
4916 struct A { struct B { struct C {}; }; };
4917 A::B::C c;
4918nestedNameSpecifier(specifiesType(
4919 hasDeclaration(cxxRecordDecl(hasName("A")))
4920))
4921 matches "A::"
4922</pre></td></tr>
4923
4924
Aaron Ballman672dde22016-01-22 23:15:00 +00004925<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 +00004926<tr><td colspan="4" class="doc" id="hasArgument2"><pre>Matches the n'th argument of a call expression or a constructor
4927call expression.
4928
4929Example matches y in x(y)
4930 (matcher = callExpr(hasArgument(0, declRefExpr())))
4931 void x(int) { int y; x(y); }
4932</pre></td></tr>
4933
4934
Aaron Ballman672dde22016-01-22 23:15:00 +00004935<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 +00004936<tr><td colspan="4" class="doc" id="hasReceiverType0"><pre>Matches on the receiver of an ObjectiveC Message expression.
4937
4938Example
4939matcher = objCMessageExpr(hasRecieverType(asString("UIWebView *")));
4940matches the [webView ...] message invocation.
4941 NSString *webViewJavaScript = ...
4942 UIWebView *webView = ...
4943 [webView stringByEvaluatingJavaScriptFromString:webViewJavascript];
4944</pre></td></tr>
4945
4946
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00004947<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>
4948<tr><td colspan="4" class="doc" id="hasSourceExpression1"><pre></pre></td></tr>
4949
4950
Aaron Ballman672dde22016-01-22 23:15:00 +00004951<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 +00004952<tr><td colspan="4" class="doc" id="innerType0"><pre>Matches ParenType nodes where the inner type is a specific type.
4953
4954Given
4955 int (*ptr_to_array)[4];
4956 int (*ptr_to_func)(int);
4957
4958varDecl(hasType(pointsTo(parenType(innerType(functionType()))))) matches
4959ptr_to_func but not ptr_to_array.
4960
Aaron Ballman672dde22016-01-22 23:15:00 +00004961Usable as: Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ParenType.html">ParenType</a>&gt;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00004962</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_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 +00004966<tr><td colspan="4" class="doc" id="pointeeLoc2"><pre>Narrows PointerType (and similar) matchers to those where the
4967pointee matches a given matcher.
4968
4969Given
4970 int *a;
4971 int const *b;
4972 float const *f;
4973pointerType(pointee(isConstQualified(), isInteger()))
4974 matches "int const *b"
4975
Aaron Ballman672dde22016-01-22 23:15:00 +00004976Usable 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;,
4977 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 +00004978</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_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 +00004982<tr><td colspan="4" class="doc" id="pointee2"><pre>Narrows PointerType (and similar) matchers to those where the
4983pointee matches a given matcher.
4984
4985Given
4986 int *a;
4987 int const *b;
4988 float const *f;
4989pointerType(pointee(isConstQualified(), isInteger()))
4990 matches "int const *b"
4991
Aaron Ballman672dde22016-01-22 23:15:00 +00004992Usable 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;,
4993 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 +00004994</pre></td></tr>
4995
4996
Aaron Ballman672dde22016-01-22 23:15:00 +00004997<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 +00004998<tr><td colspan="4" class="doc" id="hasCanonicalType0"><pre>Matches QualTypes whose canonical type matches InnerMatcher.
4999
5000Given:
5001 typedef int &amp;int_ref;
5002 int a;
5003 int_ref b = a;
5004
5005varDecl(hasType(qualType(referenceType()))))) will not match the
5006declaration of b but varDecl(hasType(qualType(hasCanonicalType(referenceType())))))) does.
5007</pre></td></tr>
5008
5009
Aaron Ballman672dde22016-01-22 23:15:00 +00005010<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 +00005011<tr><td colspan="4" class="doc" id="hasDeclaration6"><pre>Matches a node if the declaration associated with that node
5012matches the given matcher.
5013
5014The associated declaration is:
5015- for type nodes, the declaration of the underlying type
5016- for CallExpr, the declaration of the callee
5017- for MemberExpr, the declaration of the referenced member
5018- for CXXConstructExpr, the declaration of the constructor
5019
5020Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
5021function. e.g. various subtypes of clang::Type and various expressions.
5022
Aaron Ballman672dde22016-01-22 23:15:00 +00005023Usable 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;,
5024 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 +00005025 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;,
5026 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 +00005027 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;,
5028 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 +00005029</pre></td></tr>
5030
5031
Aaron Ballmanba8dbbe2016-06-06 18:52:17 +00005032<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>
5033<tr><td colspan="4" class="doc" id="ignoringParens0"><pre>Matches types that match InnerMatcher after any parens are stripped.
5034
5035Given
5036 void (*fp)(void);
5037The matcher
5038 varDecl(hasType(pointerType(pointee(ignoringParens(functionType())))))
5039would match the declaration for fp.
5040</pre></td></tr>
5041
5042
Aaron Ballman672dde22016-01-22 23:15:00 +00005043<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 +00005044<tr><td colspan="4" class="doc" id="pointsTo1"><pre>Overloaded to match the pointee type's declaration.
5045</pre></td></tr>
5046
5047
Aaron Ballman672dde22016-01-22 23:15:00 +00005048<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 +00005049<tr><td colspan="4" class="doc" id="pointsTo0"><pre>Matches if the matched type is a pointer type and the pointee type
5050matches the specified matcher.
5051
5052Example matches y-&gt;x()
5053 (matcher = cxxMemberCallExpr(on(hasType(pointsTo
5054 cxxRecordDecl(hasName("Y")))))))
5055 class Y { public: void x(); };
5056 void z() { Y *y; y-&gt;x(); }
5057</pre></td></tr>
5058
5059
Aaron Ballman672dde22016-01-22 23:15:00 +00005060<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 +00005061<tr><td colspan="4" class="doc" id="references1"><pre>Overloaded to match the referenced type's declaration.
5062</pre></td></tr>
5063
5064
Aaron Ballman672dde22016-01-22 23:15:00 +00005065<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 +00005066<tr><td colspan="4" class="doc" id="references0"><pre>Matches if the matched type is a reference type and the referenced
5067type matches the specified matcher.
5068
5069Example matches X &amp;x and const X &amp;y
5070 (matcher = varDecl(hasType(references(cxxRecordDecl(hasName("X"))))))
5071 class X {
5072 void a(X b) {
5073 X &amp;x = b;
5074 const X &amp;y = b;
5075 }
5076 };
5077</pre></td></tr>
5078
5079
Aaron Ballman672dde22016-01-22 23:15:00 +00005080<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 +00005081<tr><td colspan="4" class="doc" id="hasDeclaration5"><pre>Matches a node if the declaration associated with that node
5082matches the given matcher.
5083
5084The associated declaration is:
5085- for type nodes, the declaration of the underlying type
5086- for CallExpr, the declaration of the callee
5087- for MemberExpr, the declaration of the referenced member
5088- for CXXConstructExpr, the declaration of the constructor
5089
5090Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
5091function. e.g. various subtypes of clang::Type and various expressions.
5092
Aaron Ballman672dde22016-01-22 23:15:00 +00005093Usable 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;,
5094 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 +00005095 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;,
5096 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 +00005097 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;,
5098 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 +00005099</pre></td></tr>
5100
5101
Aaron Ballman672dde22016-01-22 23:15:00 +00005102<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 +00005103<tr><td colspan="4" class="doc" id="pointeeLoc3"><pre>Narrows PointerType (and similar) matchers to those where the
5104pointee matches a given matcher.
5105
5106Given
5107 int *a;
5108 int const *b;
5109 float const *f;
5110pointerType(pointee(isConstQualified(), isInteger()))
5111 matches "int const *b"
5112
Aaron Ballman672dde22016-01-22 23:15:00 +00005113Usable 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;,
5114 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 +00005115</pre></td></tr>
5116
5117
Aaron Ballman672dde22016-01-22 23:15:00 +00005118<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 +00005119<tr><td colspan="4" class="doc" id="pointee3"><pre>Narrows PointerType (and similar) matchers to those where the
5120pointee matches a given matcher.
5121
5122Given
5123 int *a;
5124 int const *b;
5125 float const *f;
5126pointerType(pointee(isConstQualified(), isInteger()))
5127 matches "int const *b"
5128
Aaron Ballman672dde22016-01-22 23:15:00 +00005129Usable 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;,
5130 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 +00005131</pre></td></tr>
5132
5133
Alexander Kornienko976921d2016-03-22 11:03:03 +00005134<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>
5135<tr><td colspan="4" class="doc" id="hasReturnValue0"><pre>Matches the return value expression of a return statement
5136
5137Given
5138 return a + b;
5139hasReturnValue(binaryOperator())
5140 matches 'return a + b'
5141with binaryOperator()
5142 matching 'a + b'
5143</pre></td></tr>
5144
5145
Aaron Ballmana35b8fc2016-03-09 17:11:51 +00005146<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>
5147<tr><td colspan="4" class="doc" id="hasAnySubstatement1"><pre>Matches compound statements where at least one substatement matches
5148a given matcher. Also matches StmtExprs that have CompoundStmt as children.
5149
5150Given
5151 { {}; 1+2; }
5152hasAnySubstatement(compoundStmt())
5153 matches '{ {}; 1+2; }'
5154with compoundStmt()
5155 matching '{}'
5156</pre></td></tr>
5157
5158
Aaron Ballman672dde22016-01-22 23:15:00 +00005159<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 +00005160<tr><td colspan="4" class="doc" id="alignOfExpr0"><pre>Same as unaryExprOrTypeTraitExpr, but only matching
5161alignof.
5162</pre></td></tr>
5163
5164
Gabor Horvath1b3f8db2016-05-04 11:59:39 +00005165<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>
5166<tr><td colspan="4" class="doc" id="forFunction0"><pre>Matches declaration of the function the statemenet belongs to
5167
5168Given:
5169F&amp; operator=(const F&amp; o) {
5170 std::copy_if(o.begin(), o.end(), begin(), [](V v) { return v &gt; 0; });
5171 return *this;
5172}
5173returnStmt(forFunction(hasName("operator=")))
5174 matches 'return *this'
5175 but does match 'return &gt; 0'
5176</pre></td></tr>
5177
5178
Aaron Ballman672dde22016-01-22 23:15:00 +00005179<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 +00005180<tr><td colspan="4" class="doc" id="sizeOfExpr0"><pre>Same as unaryExprOrTypeTraitExpr, but only matching
5181sizeof.
5182</pre></td></tr>
5183
5184
Aaron Ballman672dde22016-01-22 23:15:00 +00005185<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 +00005186<tr><td colspan="4" class="doc" id="forEachSwitchCase0"><pre>Matches each case or default statement belonging to the given switch
5187statement. This matcher may produce multiple matches.
5188
5189Given
5190 switch (1) { case 1: case 2: default: switch (2) { case 3: case 4: ; } }
5191switchStmt(forEachSwitchCase(caseStmt().bind("c"))).bind("s")
5192 matches four times, with "c" binding each of "case 1:", "case 2:",
5193"case 3:" and "case 4:", and "s" respectively binding "switch (1)",
5194"switch (1)", "switch (2)" and "switch (2)".
5195</pre></td></tr>
5196
5197
Etienne Bergeron5500f952016-05-30 15:25:25 +00005198<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>
5199<tr><td colspan="4" class="doc" id="hasCondition4"><pre>Matches the condition expression of an if statement, for loop,
5200switch statement or conditional operator.
5201
5202Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
5203 if (true) {}
5204</pre></td></tr>
5205
5206
Aaron Ballman672dde22016-01-22 23:15:00 +00005207<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 +00005208<tr><td colspan="4" class="doc" id="hasDeclaration4"><pre>Matches a node if the declaration associated with that node
5209matches the given matcher.
5210
5211The associated declaration is:
5212- for type nodes, the declaration of the underlying type
5213- for CallExpr, the declaration of the callee
5214- for MemberExpr, the declaration of the referenced member
5215- for CXXConstructExpr, the declaration of the constructor
5216
5217Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
5218function. e.g. various subtypes of clang::Type and various expressions.
5219
Aaron Ballman672dde22016-01-22 23:15:00 +00005220Usable 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;,
5221 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 +00005222 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;,
5223 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 +00005224 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;,
5225 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 +00005226</pre></td></tr>
5227
5228
Aaron Ballman672dde22016-01-22 23:15:00 +00005229<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 +00005230<tr><td colspan="4" class="doc" id="isExpr0"><pre>Matches a sugar TemplateArgument that refers to a certain expression.
5231
5232Given
5233 template&lt;typename T&gt; struct A {};
5234 struct B { B* next; };
5235 A&lt;&amp;B::next&gt; a;
5236templateSpecializationType(hasAnyTemplateArgument(
5237 isExpr(hasDescendant(declRefExpr(to(fieldDecl(hasName("next"))))))))
5238 matches the specialization A&lt;&amp;B::next&gt; with fieldDecl(...) matching
5239 B::next
5240</pre></td></tr>
5241
5242
Aaron Ballman672dde22016-01-22 23:15:00 +00005243<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 +00005244<tr><td colspan="4" class="doc" id="refersToDeclaration0"><pre>Matches a canonical TemplateArgument that refers to a certain
5245declaration.
5246
5247Given
5248 template&lt;typename T&gt; struct A {};
5249 struct B { B* next; };
5250 A&lt;&amp;B::next&gt; a;
5251classTemplateSpecializationDecl(hasAnyTemplateArgument(
5252 refersToDeclaration(fieldDecl(hasName("next"))))
5253 matches the specialization A&lt;&amp;B::next&gt; with fieldDecl(...) matching
5254 B::next
5255</pre></td></tr>
5256
5257
Aaron Ballman672dde22016-01-22 23:15:00 +00005258<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 +00005259<tr><td colspan="4" class="doc" id="refersToIntegralType0"><pre>Matches a TemplateArgument that referes to an integral type.
5260
5261Given
5262 template&lt;int T&gt; struct A {};
5263 C&lt;42&gt; c;
5264classTemplateSpecializationDecl(
5265 hasAnyTemplateArgument(refersToIntegralType(asString("int"))))
5266 matches the implicit instantiation of C in C&lt;42&gt;.
5267</pre></td></tr>
5268
5269
Aaron Ballman672dde22016-01-22 23:15:00 +00005270<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 +00005271<tr><td colspan="4" class="doc" id="refersToType0"><pre>Matches a TemplateArgument that refers to a certain type.
5272
5273Given
5274 struct X {};
5275 template&lt;typename T&gt; struct A {};
5276 A&lt;X&gt; a;
5277classTemplateSpecializationDecl(hasAnyTemplateArgument(
5278 refersToType(class(hasName("X")))))
5279 matches the specialization A&lt;X&gt;
5280</pre></td></tr>
5281
5282
Aaron Ballman672dde22016-01-22 23:15:00 +00005283<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 +00005284<tr><td colspan="4" class="doc" id="hasAnyTemplateArgument1"><pre>Matches classTemplateSpecializations that have at least one
5285TemplateArgument matching the given InnerMatcher.
5286
5287Given
5288 template&lt;typename T&gt; class A {};
5289 template&lt;&gt; class A&lt;double&gt; {};
5290 A&lt;int&gt; a;
5291classTemplateSpecializationDecl(hasAnyTemplateArgument(
5292 refersToType(asString("int"))))
5293 matches the specialization A&lt;int&gt;
5294</pre></td></tr>
5295
5296
Aaron Ballman672dde22016-01-22 23:15:00 +00005297<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 +00005298<tr><td colspan="4" class="doc" id="hasDeclaration3"><pre>Matches a node if the declaration associated with that node
5299matches the given matcher.
5300
5301The associated declaration is:
5302- for type nodes, the declaration of the underlying type
5303- for CallExpr, the declaration of the callee
5304- for MemberExpr, the declaration of the referenced member
5305- for CXXConstructExpr, the declaration of the constructor
5306
5307Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
5308function. e.g. various subtypes of clang::Type and various expressions.
5309
Aaron Ballman672dde22016-01-22 23:15:00 +00005310Usable 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;,
5311 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 +00005312 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;,
5313 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 +00005314 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;,
5315 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 +00005316</pre></td></tr>
5317
5318
Aaron Ballman672dde22016-01-22 23:15:00 +00005319<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 +00005320<tr><td colspan="4" class="doc" id="hasTemplateArgument1"><pre>Matches classTemplateSpecializations where the n'th TemplateArgument
5321matches the given InnerMatcher.
5322
5323Given
5324 template&lt;typename T, typename U&gt; class A {};
5325 A&lt;bool, int&gt; b;
5326 A&lt;int, bool&gt; c;
5327classTemplateSpecializationDecl(hasTemplateArgument(
5328 1, refersToType(asString("int"))))
5329 matches the specialization A&lt;bool, int&gt;
5330</pre></td></tr>
5331
5332
Aaron Ballman672dde22016-01-22 23:15:00 +00005333<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 +00005334<tr><td colspan="4" class="doc" id="hasDeclaration2"><pre>Matches a node if the declaration associated with that node
5335matches the given matcher.
5336
5337The associated declaration is:
5338- for type nodes, the declaration of the underlying type
5339- for CallExpr, the declaration of the callee
5340- for MemberExpr, the declaration of the referenced member
5341- for CXXConstructExpr, the declaration of the constructor
5342
5343Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
5344function. e.g. various subtypes of clang::Type and various expressions.
5345
Aaron Ballman672dde22016-01-22 23:15:00 +00005346Usable 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;,
5347 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 +00005348 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;,
5349 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 +00005350 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;,
5351 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 +00005352</pre></td></tr>
5353
5354
5355<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>
5356<tr><td colspan="4" class="doc" id="findAll0"><pre>Matches if the node or any descendant matches.
5357
5358Generates results for each match.
5359
5360For example, in:
5361 class A { class B {}; class C {}; };
5362The matcher:
5363 cxxRecordDecl(hasName("::A"),
5364 findAll(cxxRecordDecl(isDefinition()).bind("m")))
5365will generate results for A, B and C.
5366
5367Usable as: Any Matcher
5368</pre></td></tr>
5369
5370
Aaron Ballman66eb58a2016-04-14 16:05:45 +00005371<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 +00005372<tr><td colspan="4" class="doc" id="hasType1"><pre>Matches if the expression's or declaration's type matches a type
5373matcher.
5374
5375Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
5376 and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
5377 and U (matcher = typedefDecl(hasType(asString("int")))
5378 class X {};
5379 void y(X &amp;x) { x; X z; }
5380 typedef int U;
5381</pre></td></tr>
5382
5383
Aaron Ballman672dde22016-01-22 23:15:00 +00005384<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 +00005385<tr><td colspan="4" class="doc" id="hasDeclaration1"><pre>Matches a node if the declaration associated with that node
5386matches the given matcher.
5387
5388The associated declaration is:
5389- for type nodes, the declaration of the underlying type
5390- for CallExpr, the declaration of the callee
5391- for MemberExpr, the declaration of the referenced member
5392- for CXXConstructExpr, the declaration of the constructor
5393
5394Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
5395function. e.g. various subtypes of clang::Type and various expressions.
5396
Aaron Ballman672dde22016-01-22 23:15:00 +00005397Usable 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;,
5398 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 +00005399 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;,
5400 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 +00005401 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;,
5402 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 +00005403</pre></td></tr>
5404
5405
Aaron Ballman672dde22016-01-22 23:15:00 +00005406<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 +00005407<tr><td colspan="4" class="doc" id="hasArgumentOfType0"><pre>Matches unary expressions that have a specific type of argument.
5408
5409Given
5410 int a, c; float b; int s = sizeof(a) + sizeof(b) + alignof(c);
5411unaryExprOrTypeTraitExpr(hasArgumentOfType(asString("int"))
5412 matches sizeof(a) and alignof(c)
5413</pre></td></tr>
5414
5415
Aaron Ballman672dde22016-01-22 23:15:00 +00005416<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 +00005417<tr><td colspan="4" class="doc" id="hasUnaryOperand0"><pre>Matches if the operand of a unary operator matches.
5418
5419Example matches true (matcher = hasUnaryOperand(
5420 cxxBoolLiteral(equals(true))))
5421 !true
5422</pre></td></tr>
5423
5424
Aaron Ballman672dde22016-01-22 23:15:00 +00005425<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 +00005426<tr><td colspan="4" class="doc" id="hasDeclaration0"><pre>Matches a node if the declaration associated with that node
5427matches the given matcher.
5428
5429The associated declaration is:
5430- for type nodes, the declaration of the underlying type
5431- for CallExpr, the declaration of the callee
5432- for MemberExpr, the declaration of the referenced member
5433- for CXXConstructExpr, the declaration of the constructor
5434
5435Also usable as Matcher&lt;T&gt; for any T supporting the getDecl() member
5436function. e.g. various subtypes of clang::Type and various expressions.
5437
Aaron Ballman672dde22016-01-22 23:15:00 +00005438Usable 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;,
5439 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 +00005440 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;,
5441 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 +00005442 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;,
5443 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 +00005444</pre></td></tr>
5445
5446
Aaron Ballman672dde22016-01-22 23:15:00 +00005447<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 +00005448<tr><td colspan="4" class="doc" id="hasAnyUsingShadowDecl0"><pre>Matches any using shadow declaration.
5449
5450Given
5451 namespace X { void b(); }
5452 using X::b;
5453usingDecl(hasAnyUsingShadowDecl(hasName("b"))))
5454 matches using X::b </pre></td></tr>
5455
5456
Aaron Ballman672dde22016-01-22 23:15:00 +00005457<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 +00005458<tr><td colspan="4" class="doc" id="hasTargetDecl0"><pre>Matches a using shadow declaration where the target declaration is
5459matched by the given matcher.
5460
5461Given
5462 namespace X { int a; void b(); }
5463 using X::a;
5464 using X::b;
5465usingDecl(hasAnyUsingShadowDecl(hasTargetDecl(functionDecl())))
5466 matches using X::b but not using X::a </pre></td></tr>
5467
5468
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00005469<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>
5470<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 +00005471declaration's type.
5472
5473In case of a value declaration (for example a variable declaration),
5474this resolves one layer of indirection. For example, in the value
5475declaration "X x;", cxxRecordDecl(hasName("X")) matches the declaration of
5476X, while varDecl(hasType(cxxRecordDecl(hasName("X")))) matches the
5477declaration of x.
5478
5479Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
5480 and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
5481 class X {};
5482 void y(X &amp;x) { x; X z; }
5483
Aaron Ballman672dde22016-01-22 23:15:00 +00005484Usable 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 +00005485</pre></td></tr>
5486
5487
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00005488<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>
5489<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 +00005490matcher.
5491
5492Example matches x (matcher = expr(hasType(cxxRecordDecl(hasName("X")))))
5493 and z (matcher = varDecl(hasType(cxxRecordDecl(hasName("X")))))
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00005494 and U (matcher = typedefDecl(hasType(asString("int")))
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005495 class X {};
5496 void y(X &amp;x) { x; X z; }
Aaron Ballman7e7b7b22016-02-01 14:11:47 +00005497 typedef int U;
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005498</pre></td></tr>
5499
5500
Aaron Ballman672dde22016-01-22 23:15:00 +00005501<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 +00005502<tr><td colspan="4" class="doc" id="hasInitializer0"><pre>Matches a variable declaration that has an initializer expression
5503that matches the given matcher.
5504
5505Example matches x (matcher = varDecl(hasInitializer(callExpr())))
5506 bool y() { return true; }
5507 bool x = y();
5508</pre></td></tr>
5509
5510
Aaron Ballman672dde22016-01-22 23:15:00 +00005511<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 +00005512<tr><td colspan="4" class="doc" id="hasSizeExpr0"><pre>Matches VariableArrayType nodes that have a specific size
5513expression.
5514
5515Given
5516 void f(int b) {
5517 int a[b];
5518 }
5519variableArrayType(hasSizeExpr(ignoringImpCasts(declRefExpr(to(
5520 varDecl(hasName("b")))))))
5521 matches "int a[b]"
5522</pre></td></tr>
5523
5524
Aaron Ballman672dde22016-01-22 23:15:00 +00005525<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 +00005526<tr><td colspan="4" class="doc" id="hasBody2"><pre>Matches a 'for', 'while', 'do while' statement or a function
5527definition that has a given body.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005528
5529Given
5530 for (;;) {}
5531hasBody(compoundStmt())
5532 matches 'for (;;) {}'
5533with compoundStmt()
5534 matching '{}'
5535</pre></td></tr>
5536
5537
Aaron Ballman672dde22016-01-22 23:15:00 +00005538<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 +00005539<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 +00005540switch statement or conditional operator.
Benjamin Kramer611d33a2015-11-20 07:46:19 +00005541
5542Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
5543 if (true) {}
5544</pre></td></tr>
5545
5546
Aaron Ballman672dde22016-01-22 23:15:00 +00005547<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 +00005548<tr><td colspan="4" class="doc" id="loc1"><pre>Matches NestedNameSpecifierLocs for which the given inner
5549NestedNameSpecifier-matcher matches.
5550</pre></td></tr>
5551
5552
Aaron Ballman672dde22016-01-22 23:15:00 +00005553<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 +00005554<tr><td colspan="4" class="doc" id="loc0"><pre>Matches TypeLocs for which the given inner
5555QualType-matcher matches.
5556</pre></td></tr>
5557
Benjamin Kramer7d0cc232015-11-20 07:57:46 +00005558<!--END_TRAVERSAL_MATCHERS -->
5559</table>
5560
5561</div>
5562</body>
5563</html>
5564
5565