diff options
| author | George Karpenkov <ekarpenkov@apple.com> | 2018-07-23 22:29:35 +0000 |
|---|---|---|
| committer | George Karpenkov <ekarpenkov@apple.com> | 2018-07-23 22:29:35 +0000 |
| commit | bcd3d176cb4d5d3e31749a571cc6573259edec02 (patch) | |
| tree | 5234c034816691b720e90a48308cee15c8c69885 | |
| parent | 3787b2b6af82e095ea3d2123db225566abf957d0 (diff) | |
[ASTMatchers] Add an isMain() matcher
Differential Revision: https://reviews.llvm.org/D49615
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@337761 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | docs/LibASTMatchersReference.html | 6 | ||||
| -rw-r--r-- | include/clang/ASTMatchers/ASTMatchers.h | 6 | ||||
| -rw-r--r-- | lib/ASTMatchers/Dynamic/Registry.cpp | 1 | ||||
| -rw-r--r-- | unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp | 8 |
4 files changed, 21 insertions, 0 deletions
diff --git a/docs/LibASTMatchersReference.html b/docs/LibASTMatchersReference.html index 3a32c6ca6c..49899c3086 100644 --- a/docs/LibASTMatchersReference.html +++ b/docs/LibASTMatchersReference.html @@ -2919,6 +2919,12 @@ namespaceDecl(isInline()) will match n::m. </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. diff --git a/include/clang/ASTMatchers/ASTMatchers.h b/include/clang/ASTMatchers/ASTMatchers.h index 850caf63c7..75dc654905 100644 --- a/include/clang/ASTMatchers/ASTMatchers.h +++ b/include/clang/ASTMatchers/ASTMatchers.h @@ -616,6 +616,12 @@ AST_MATCHER_P(FieldDecl, hasInClassInitializer, internal::Matcher<Expr>, 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 diff --git a/lib/ASTMatchers/Dynamic/Registry.cpp b/lib/ASTMatchers/Dynamic/Registry.cpp index 5a01c5d1f9..982156f6dc 100644 --- a/lib/ASTMatchers/Dynamic/Registry.cpp +++ b/lib/ASTMatchers/Dynamic/Registry.cpp @@ -359,6 +359,7 @@ RegistryMaps::RegistryMaps() { REGISTER_MATCHER(isInTemplateInstantiation); REGISTER_MATCHER(isLambda); REGISTER_MATCHER(isListInitialization); + REGISTER_MATCHER(isMain); REGISTER_MATCHER(isMemberInitializer); REGISTER_MATCHER(isMoveAssignmentOperator); REGISTER_MATCHER(isMoveConstructor); diff --git a/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp b/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp index ef385e7f18..7426dd926d 100644 --- a/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp +++ b/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp @@ -2158,5 +2158,13 @@ TEST(IsAssignmentOperator, Basic) { 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 |