[Interpreter] Add switch support.

src/interpreter/bytecode-array-builder.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_ARRAY_BUILDER_H_
 #define V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_
 
 #include <vector>
 
 #include "src/ast.h"
@@ skipping 270 matching lines @@
 
 
 // A label representing a branch target in a bytecode array. When a
 // label is bound, it represents a known position in the bytecode
 // array. For labels that are forward references there can be at most
 // one reference whilst it is unbound.
 class BytecodeLabel final {
  public:
   BytecodeLabel() : bound_(false), offset_(kInvalidOffset) {}
 
+  INLINE(bool is_bound() const) { return bound_; }
+
  private:
   static const size_t kInvalidOffset = static_cast<size_t>(-1);
 
   INLINE(void bind_to(size_t offset)) {
     DCHECK(!bound_ && offset != kInvalidOffset);
     offset_ = offset;
     bound_ = true;
   }
   INLINE(void set_referrer(size_t offset)) {
     DCHECK(!bound_ && offset != kInvalidOffset && offset_ == kInvalidOffset);
     offset_ = offset;
   }
   INLINE(size_t offset() const) { return offset_; }
-  INLINE(bool is_bound() const) { return bound_; }
   INLINE(bool is_forward_target() const) {
     return offset() != kInvalidOffset && !is_bound();
   }
 
   // There are three states for a label:
   //                    bound_   offset_
   //  UNSET             false    kInvalidOffset
   //  FORWARD_TARGET    false    Offset of referring jump
   //  BACKWARD_TARGET    true    Offset of label in bytecode array when bound
   bool bound_;
@@ skipping 30 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(TemporaryRegisterScope);
 };
 
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_