[Interpreter] Add BytecodeArray class and add to SharedFunctionInfo.

src/interpreter/bytecode-emitter.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_EMITTER_H_
+#define V8_INTERPRETER_BYTECODE_EMITTER_H_
+
+#include "src/ast.h"
+#include "src/interpreter/bytecodes.h"
+
+namespace v8 {
+namespace internal {
+namespace interpreter {
+
+class BytecodeEmitter : public AstVisitor {

[rmcilroy, 2015/07/15 13:33:38]

Let's move this off to a separate CL and keep this one just for adding the
BytecodeArray object.

[oth, 2015/07/16 09:15:50]

Acknowledged.

+ public:
+  BytecodeEmitter(Isolate* isolate, Zone* zone);
+  virtual ~BytecodeEmitter();
+
+  Handle<BytecodeArray> Emit(FunctionLiteral* program);
+
+#define DECLARE_VISIT(type) void Visit##type(type* node) override;
+  AST_NODE_LIST(DECLARE_VISIT)
+#undef DECLARE_VISIT
+
+ private:
+  DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
+
+  std::vector<Bytecode> bytecodes_;
+};
+
+}  // namespace interpreter
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_INTERPRETER_BYTECODE_EMITTER_H_