[Interpreter] Add switch support.

src/interpreter/bytecode-generator.h

 // 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.
 
 #ifndef V8_INTERPRETER_BYTECODE_GENERATOR_H_
 #define V8_INTERPRETER_BYTECODE_GENERATOR_H_
 
 #include "src/ast.h"
 #include "src/interpreter/bytecode-array-builder.h"
 #include "src/interpreter/bytecodes.h"
@@ skipping 12 matching lines @@
 #define DECLARE_VISIT(type) void Visit##type(type* node) override;
   AST_NODE_LIST(DECLARE_VISIT)
 #undef DECLARE_VISIT
 
   // Visiting function for declarations list is overridden.
   void VisitDeclarations(ZoneList<Declaration*>* declarations) override;
 
  private:
   class ContextScope;
   class ControlScope;
+  class ControlScopeForSwitch;

[oth, 2015/10/30 10:10:04]

Nit - can we have alpha sorting here. ControlScopeFor...

[rmcilroy, 2015/10/30 11:47:00]

Done.

   class ControlScopeForIteration;
   class ExpressionResultScope;
   class EffectResultScope;
   class AccumulatorResultScope;
   class RegisterResultScope;
 
   void MakeBytecodeBody();
   Register NextContextRegister() const;
 
   DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
@@ skipping 92 matching lines @@
 
   int binary_expression_depth_;
   ZoneSet<int> binary_expression_hazard_set_;
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_BYTECODE_GENERATOR_H_