[Interpreter] Add support for loading globals in the interpreter.

src/interpreter/bytecode-array-iterator.h

Index: src/interpreter/bytecode-array-iterator.h
diff --git a/src/interpreter/bytecode-array-iterator.h b/src/interpreter/bytecode-array-iterator.h
index a0de3f0e7737e24436cf69aae83548c086ff2beb..6392e21feb3f3121f48738c91a0e000608052a0f 100644
--- a/src/interpreter/bytecode-array-iterator.h
+++ b/src/interpreter/bytecode-array-iterator.h
@@ -29,9 +29,9 @@ class BytecodeArrayIterator {
   Register GetRegisterOperand(int operand_index) const;
   Handle<Object> GetConstantForIndexOperand(int operand_index) const;
 
- private:
-  uint8_t GetOperand(int operand_index, OperandType operand_type) const;
+  uint8_t GetRawOperand(int operand_index) const;

[Michael Starzinger, 2015/09/24 08:54:54]

nit: IIUC this is only exposed for testing. Can we leave a comment in that
regard so that people are more inclined to use the above checked getters?

[rmcilroy, 2015/09/24 11:20:12]

Changed to add an OperandType and add checking as suggested by Orion. Also added
comment.

 
+ private:
   Handle<BytecodeArray> bytecode_array_;
   int bytecode_offset_;