[interpreter] Implement exception handler table building.

src/interpreter/control-flow-builders.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/interpreter/control-flow-builders.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
@@ skipping 119 matching lines @@
   }
 #endif
 }
 
 
 void SwitchBuilder::SetCaseTarget(int index) {
   BytecodeLabel& site = case_sites_.at(index);
   builder()->Bind(&site);
 }
 
+
+void TryCatchBuilder::BeginTry(Register context) {
+  builder()->MarkTryBegin(handler_id_, context);
+}
+
+
+void TryCatchBuilder::EndTry() {
+  builder()->MarkTryEnd(handler_id_);
+  builder()->Jump(&exit_);
+  builder()->Bind(&handler_);
+  builder()->MarkHandler(handler_id_, true);
+}
+
+
+void TryCatchBuilder::EndCatch() { builder()->Bind(&exit_); }
+
+
+void TryFinallyBuilder::BeginTry(Register context) {
+  builder()->MarkTryBegin(handler_id_, context);
+}
+
+
+void TryFinallyBuilder::EndTry() {
+  builder()->MarkTryEnd(handler_id_);
+  builder()->Bind(&handler_);
+  builder()->MarkHandler(handler_id_, false);
+}
+
+
+void TryFinallyBuilder::EndFinally() {
+  // Nothing to be done here.
+}
+
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8