Split AST Declaration class, in preparation for new module declaration forms.

src/full-codegen.h

 // Copyright 2012 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 65 matching lines @@
     NO_REGISTERS,
     TOS_REG
   };
 
   explicit FullCodeGenerator(MacroAssembler* masm)
       : masm_(masm),
         info_(NULL),
         scope_(NULL),
         nesting_stack_(NULL),
         loop_depth_(0),
+        global_count_(0),
         context_(NULL),
         bailout_entries_(0),
         stack_checks_(2),  // There's always at least one.
         type_feedback_cells_(0) {
   }
 
   static bool MakeCode(CompilationInfo* info);
 
   void Generate(CompilationInfo* info);
   void PopulateDeoptimizationData(Handle<Code> code);
@@ skipping 313 matching lines @@
   // canonical JS true value so we will insert a (dead) test against true at
   // the actual bailout target from the optimized code. If not
   // should_normalize, the true and false labels are ignored.
   void PrepareForBailoutBeforeSplit(Expression* expr,
                                     bool should_normalize,
                                     Label* if_true,
                                     Label* if_false);
 
   // Platform-specific code for a variable, constant, or function
   // declaration.  Functions have an initial value.
+  // Increments global_count_ for unallocated variables.
   void EmitDeclaration(VariableProxy* proxy,
                        VariableMode mode,
-                       FunctionLiteral* function,
-                       int* global_count);
+                       FunctionLiteral* function);
 
   // Platform-specific code for checking the stack limit at the back edge of
   // a loop.
   void EmitStackCheck(IterationStatement* stmt);
   // Record the OSR AST id corresponding to a stack check in the code.
   void RecordStackCheck(unsigned osr_ast_id);
   // Emit a table of stack check ids and pcs into the code stream.  Return
   // the offset of the start of the table.
   unsigned EmitStackCheckTable();
 
@@ skipping 327 matching lines @@
                              Label** fall_through) const;
     virtual bool IsEffect() const { return true; }
   };
 
   MacroAssembler* masm_;
   CompilationInfo* info_;
   Scope* scope_;
   Label return_label_;
   NestedStatement* nesting_stack_;
   int loop_depth_;
+  int global_count_;
   const ExpressionContext* context_;
   ZoneList<BailoutEntry> bailout_entries_;
   ZoneList<BailoutEntry> stack_checks_;
   ZoneList<TypeFeedbackCellEntry> type_feedback_cells_;
   Handle<FixedArray> handler_table_;
 
   friend class NestedStatement;
 
   DISALLOW_COPY_AND_ASSIGN(FullCodeGenerator);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FULL_CODEGEN_H_