[arcmt] Break apart Transforms.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133539 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ARCMigrate/TransDeallocMethod.cpp b/lib/ARCMigrate/TransDeallocMethod.cpp
new file mode 100644
index 0000000..a7c3c1e
--- /dev/null
+++ b/lib/ARCMigrate/TransDeallocMethod.cpp
@@ -0,0 +1,47 @@
+//===--- TransDeallocMethod.cpp - Tranformations to ARC mode --------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Transforms.h"
+#include "Internals.h"
+
+using namespace clang;
+using namespace arcmt;
+using namespace trans;
+using llvm::StringRef;
+
+void trans::removeDeallocMethod(MigrationPass &pass) {
+ ASTContext &Ctx = pass.Ctx;
+ TransformActions &TA = pass.TA;
+ DeclContext *DC = Ctx.getTranslationUnitDecl();
+ ObjCMethodDecl *DeallocMethodDecl = 0;
+ IdentifierInfo *II = &Ctx.Idents.get("dealloc");
+
+ for (DeclContext::decl_iterator
+ I = DC->decls_begin(), E = DC->decls_end(); I != E; ++I) {
+ Decl *D = *I;
+ if (ObjCImplementationDecl *IMD = dyn_cast<ObjCImplementationDecl>(D)) {
+ DeallocMethodDecl = 0;
+ for (ObjCImplementationDecl::instmeth_iterator
+ I = IMD->instmeth_begin(), E = IMD->instmeth_end();
+ I != E; ++I) {
+ ObjCMethodDecl *OMD = *I;
+ if (OMD->isInstanceMethod() &&
+ OMD->getSelector() == Ctx.Selectors.getSelector(0, &II)) {
+ DeallocMethodDecl = OMD;
+ break;
+ }
+ }
+ if (DeallocMethodDecl &&
+ DeallocMethodDecl->getCompoundBody()->body_empty()) {
+ Transaction Trans(TA);
+ TA.remove(DeallocMethodDecl->getSourceRange());
+ }
+ }
+ }
+}