Handle global variables potentially shadowed by eval-introduced...

src/full-codegen.h

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 363 matching lines @@
 
   // Platform-specific code for inline runtime calls.
   void EmitInlineRuntimeCall(CallRuntime* expr);
 
 #define EMIT_INLINE_RUNTIME_CALL(name, x, y) \
   void Emit##name(ZoneList<Expression*>* arguments);
   INLINE_RUNTIME_FUNCTION_LIST(EMIT_INLINE_RUNTIME_CALL)
 #undef EMIT_INLINE_RUNTIME_CALL
 
   // Platform-specific code for loading variables.
+  void EmitLoadGlobalSlotCheckExtensions(Slot* slot,
+                                         TypeofState typeof_state,
+                                         Label* slow);
   void EmitVariableLoad(Variable* expr, Expression::Context context);
 
   // Platform-specific support for allocating a new closure based on
   // the given function info.
   void EmitNewClosure(Handle<SharedFunctionInfo> info);
 
   // Platform-specific support for compiling assignments.
 
   // Load a value from a named property.
   // The receiver is left on the stack by the IC.
@@ skipping 99 matching lines @@
   static Register context_register();
 
   // Set fields in the stack frame. Offsets are the frame pointer relative
   // offsets defined in, e.g., StandardFrameConstants.
   void StoreToFrameField(int frame_offset, Register value);
 
   // Load a value from the current context. Indices are defined as an enum
   // in v8::internal::Context.
   void LoadContextField(Register dst, int context_index);
 
+  // Create an operand for a context field.
+  MemOperand ContextOperand(Register context, int context_index);
+
   // AST node visit functions.
 #define DECLARE_VISIT(type) virtual void Visit##type(type* node);
   AST_NODE_LIST(DECLARE_VISIT)
 #undef DECLARE_VISIT
   // Handles the shortcutted logical binary operations in VisitBinaryOperation.
   void EmitLogicalOperation(BinaryOperation* expr);
 
   void VisitForTypeofValue(Expression* expr, Location where);
 
   void VisitLogicalForValue(Expression* expr,
@@ skipping 17 matching lines @@
 
   friend class NestedStatement;
 
   DISALLOW_COPY_AND_ASSIGN(FullCodeGenerator);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FULL_CODEGEN_H_