diff options
-rw-r--r-- | Driver/RewriteObjC.cpp | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/Driver/RewriteObjC.cpp b/Driver/RewriteObjC.cpp index b89e81156d..bd809beae8 100644 --- a/Driver/RewriteObjC.cpp +++ b/Driver/RewriteObjC.cpp @@ -1455,9 +1455,16 @@ Stmt *RewriteObjC::RewriteObjCTryStmt(ObjCAtTryStmt *S) { SourceLocation bodyLoc = lastCatchBody->getLocEnd(); assert(*SM->getCharacterData(bodyLoc) == '}' && "bogus @catch body location"); - bodyLoc = bodyLoc.getFileLocWithOffset(1); - buf = " } } /* @catch end */\n"; + // Insert the last (implicit) else clause *before* the right curly brace. + bodyLoc = bodyLoc.getFileLocWithOffset(-1); + buf = "} /* last catch end */\n"; + buf += "else {\n"; + buf += " _rethrow = _caught;\n"; + buf += " objc_exception_try_exit(&_stack);\n"; + buf += "} } /* @catch end */\n"; + if (!S->getFinallyStmt()) + buf += "}\n"; InsertText(bodyLoc, buf.c_str(), buf.size()); // Set lastCurlyLoc @@ -1488,6 +1495,12 @@ Stmt *RewriteObjC::RewriteObjCTryStmt(ObjCAtTryStmt *S) { // Set lastCurlyLoc lastCurlyLoc = body->getLocEnd(); + } else { /* no finally clause - make sure we synthesize an implicit one */ + buf = "{ /* implicit finally clause */\n"; + buf += " if (!_rethrow) objc_exception_try_exit(&_stack);\n"; + buf += " if (_rethrow) objc_exception_throw(_rethrow);\n"; + buf += "}"; + ReplaceText(lastCurlyLoc, 1, buf.c_str(), buf.size()); } // Now emit the final closing curly brace... lastCurlyLoc = lastCurlyLoc.getFileLocWithOffset(1); |