[PATCH] D55546: [clang] Add AST matcher for block expressions 🔍

[Stephane Moore via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL349004: [clang] Add AST matcher for block expressions 🔍 (authored by stephanemoore, committed by ).
Herald added a subscriber: llvm-commits.

Changed prior to commit:
  https://reviews.llvm.org/D55546?vs=177654&id=177998#toc

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55546/new/

https://reviews.llvm.org/D55546

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


Index: cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp
===================================================================
--- cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp
+++ cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp
@@ -139,6 +139,7 @@
   REGISTER_MATCHER(binaryConditionalOperator);
   REGISTER_MATCHER(binaryOperator);
   REGISTER_MATCHER(blockDecl);
+  REGISTER_MATCHER(blockExpr);
   REGISTER_MATCHER(blockPointerType);
   REGISTER_MATCHER(booleanType);
   REGISTER_MATCHER(breakStmt);
Index: cfe/trunk/lib/ASTMatchers/ASTMatchersInternal.cpp
===================================================================
--- cfe/trunk/lib/ASTMatchers/ASTMatchersInternal.cpp
+++ cfe/trunk/lib/ASTMatchers/ASTMatchersInternal.cpp
@@ -688,6 +688,7 @@
 const internal::VariadicDynCastAllOfMatcher<Stmt, Expr> expr;
 const internal::VariadicDynCastAllOfMatcher<Stmt, DeclRefExpr> declRefExpr;
 const internal::VariadicDynCastAllOfMatcher<Stmt, ObjCIvarRefExpr> objcIvarRefExpr;
+const internal::VariadicDynCastAllOfMatcher<Stmt, BlockExpr> blockExpr;
 const internal::VariadicDynCastAllOfMatcher<Stmt, IfStmt> ifStmt;
 const internal::VariadicDynCastAllOfMatcher<Stmt, ForStmt> forStmt;
 const internal::VariadicDynCastAllOfMatcher<Stmt, CXXForRangeStmt>
Index: cfe/trunk/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
===================================================================
--- cfe/trunk/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
+++ cfe/trunk/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
@@ -1386,6 +1386,10 @@
         hasDeclaration(namedDecl(hasName("y"))))));
 }
 
+TEST(BlockExprMatcher, BlockExpr) {
+  EXPECT_TRUE(matchesObjC("void f() { ^{}(); }", blockExpr()));
+}
+
 TEST(StatementCountIs, FindsNoStatementsInAnEmptyCompoundStatement) {
   EXPECT_TRUE(matches("void f() { }",
                       compoundStmt(statementCountIs(0))));
Index: cfe/trunk/docs/LibASTMatchersReference.html
===================================================================
--- cfe/trunk/docs/LibASTMatchersReference.html
+++ cfe/trunk/docs/LibASTMatchersReference.html
@@ -707,6 +707,14 @@
 </pre></td></tr>
 
 
+<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('blockExpr0')"><a name="blockExpr0Anchor">blockExpr</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BlockExpr.html">BlockExpr</a>>...</td></tr>
+<tr><td colspan="4" class="doc" id="blockExpr0"><pre>MAtches a reference to a block.
+
+Example: matches "^{}":
+  void f() { ^{}(); }
+</pre></td></tr>
+
+
 <tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>></td><td class="name" onclick="toggle('breakStmt0')"><a name="breakStmt0Anchor">breakStmt</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1BreakStmt.html">BreakStmt</a>>...</td></tr>
 <tr><td colspan="4" class="doc" id="breakStmt0"><pre>Matches break statements.
 
Index: cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
===================================================================
--- cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
+++ cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
@@ -1798,6 +1798,14 @@
 extern const internal::VariadicDynCastAllOfMatcher<Stmt, ObjCIvarRefExpr>
     objcIvarRefExpr;
 
+/// Matches a reference to a block.
+///
+/// Example: matches "^{}":
+/// \code
+///   void f() { ^{}(); }
+/// \endcode
+extern const internal::VariadicDynCastAllOfMatcher<Stmt, BlockExpr> blockExpr;
+
 /// Matches if statements.
 ///
 /// Example matches 'if (x) {}'


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