[PATCH] D49615: [ASTMatchers] Add an isMain() matcher

[George Karpenkov via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rC337761: [ASTMatchers] Add an isMain() matcher (authored by george.karpenkov, committed by ).
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Changed prior to commit:
  https://reviews.llvm.org/D49615?vs=156599&id=156899#toc

Repository:
  rC Clang

https://reviews.llvm.org/D49615

Files:
  docs/LibASTMatchersReference.html
  include/clang/ASTMatchers/ASTMatchers.h
  lib/ASTMatchers/Dynamic/Registry.cpp
  unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp


Index: lib/ASTMatchers/Dynamic/Registry.cpp
===================================================================
--- lib/ASTMatchers/Dynamic/Registry.cpp
+++ lib/ASTMatchers/Dynamic/Registry.cpp
@@ -359,6 +359,7 @@
   REGISTER_MATCHER(isInTemplateInstantiation);
   REGISTER_MATCHER(isLambda);
   REGISTER_MATCHER(isListInitialization);
+  REGISTER_MATCHER(isMain);
   REGISTER_MATCHER(isMemberInitializer);
   REGISTER_MATCHER(isMoveAssignmentOperator);
   REGISTER_MATCHER(isMoveConstructor);
Index: unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
===================================================================
--- unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
+++ unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
@@ -2158,5 +2158,13 @@
       notMatches("void x() { int a; if(a == 0) return; }", BinAsgmtOperator));
 }
 
+TEST(Matcher, isMain) {
+  EXPECT_TRUE(
+    matches("int main() {}", functionDecl(isMain())));
+
+  EXPECT_TRUE(
+    notMatches("int main2() {}", functionDecl(isMain())));
+}
+
 } // namespace ast_matchers
 } // namespace clang
Index: docs/LibASTMatchersReference.html
===================================================================
--- docs/LibASTMatchersReference.html
+++ docs/LibASTMatchersReference.html
@@ -2919,6 +2919,12 @@
 </pre></td></tr>
 
 
+<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isMain0')"><a name="isMain0Anchor">isMain</a></td><td></td></tr>
+<tr><td colspan="4" class="doc" id="isMain0"><pre>Determines whether the function is "main", which is the entry point
+into an executable program.
+</pre></td></tr>
+
+
 <tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isNoReturn0')"><a name="isNoReturn0Anchor">isNoReturn</a></td><td></td></tr>
 <tr><td colspan="4" class="doc" id="isNoReturn0"><pre>Matches FunctionDecls that have a noreturn attribute.
 
Index: include/clang/ASTMatchers/ASTMatchers.h
===================================================================
--- include/clang/ASTMatchers/ASTMatchers.h
+++ include/clang/ASTMatchers/ASTMatchers.h
@@ -616,6 +616,12 @@
           InnerMatcher.matches(*Initializer, Finder, Builder));
 }
 
+/// Determines whether the function is "main", which is the entry point
+/// into an executable program.
+AST_MATCHER(FunctionDecl, isMain) {
+  return Node.isMain();
+}
+
 /// Matches the specialized template of a specialization declaration.
 ///
 /// Given


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