[Interpreter] Add support for property load operations.

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 33 matching lines @@
   BytecodeArrayBuilder& LoadUndefined();
   BytecodeArrayBuilder& LoadNull();
   BytecodeArrayBuilder& LoadTheHole();
   BytecodeArrayBuilder& LoadTrue();
   BytecodeArrayBuilder& LoadFalse();
 
   // Register-accumulator transfers.
   BytecodeArrayBuilder& LoadAccumulatorWithRegister(Register reg);
   BytecodeArrayBuilder& StoreAccumulatorInRegister(Register reg);
 
+  // Load properties. The property name should be in the accumulator.
+  BytecodeArrayBuilder& LoadNamedProperty(Register object, int feedback_slot,
+                                          LanguageMode language_mode);
+  BytecodeArrayBuilder& LoadKeyedProperty(Register object, int feedback_slot,
+                                          LanguageMode language_mode);
+
   // Operators.
   BytecodeArrayBuilder& BinaryOperation(Token::Value binop, Register reg);
 
   // Flow Control.
   BytecodeArrayBuilder& Return();
 
  private:
   static const int kLastParamRegisterIndex =
       -InterpreterFrameConstants::kLastParamFromRegisterPointer / kPointerSize;
 
   static Bytecode BytecodeForBinaryOperation(Token::Value op);
+  static bool FitsInByteOperand(int value);
+  static bool FitsInByteOperand(size_t value);
 
   void Output(Bytecode bytecode, uint8_t r0, uint8_t r1, uint8_t r2);
   void Output(Bytecode bytecode, uint8_t r0, uint8_t r1);
   void Output(Bytecode bytecode, uint8_t r0);
   void Output(Bytecode bytecode);
 
   bool OperandIsValid(Bytecode bytecode, int operand_index,
                       uint8_t operand_value) const;
 
   size_t GetConstantPoolEntry(Handle<Object> object);
@@ skipping 61 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(TemporaryRegisterScope);
 };
 
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_