Adding declaration of global variables and functions in new compiler....

src/fast-codegen.h

 // Copyright 2009 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 20 matching lines @@
 #include "v8.h"
 
 #include "ast.h"
 
 namespace v8 {
 namespace internal {
 
 
 class FastCodeGenerator: public AstVisitor {
  public:
-  explicit FastCodeGenerator(MacroAssembler* masm)
-      : masm_(masm), function_(NULL) {
+  FastCodeGenerator(MacroAssembler* masm, Handle<Script> script, bool is_eval)
+    : masm_(masm), function_(NULL), script_(script), is_eval_(is_eval) {
   }
 
-  static Handle<Code> MakeCode(FunctionLiteral* fun, Handle<Script> script);
+  static Handle<Code> MakeCode(FunctionLiteral* fun,
+                               Handle<Script> script,
+                               bool is_eval);
 
   void Generate(FunctionLiteral* fun);
 
  private:
   int SlotOffset(Slot* slot);
 
+  void VisitDeclarations(ZoneList<Declaration*>* declarations);
+  Handle<JSFunction> BuildBoilerplate(FunctionLiteral* fun);
+  void DeclareGlobals(Handle<FixedArray> pairs);
+
   void SetFunctionPosition(FunctionLiteral* fun);
   void SetReturnPosition(FunctionLiteral* fun);
   void SetStatementPosition(Statement* stmt);
   void SetSourcePosition(int pos);
 
   // AST node visit functions.
 #define DECLARE_VISIT(type) virtual void Visit##type(type* node);
   AST_NODE_LIST(DECLARE_VISIT)
 #undef DECLARE_VISIT
 
   MacroAssembler* masm_;
   FunctionLiteral* function_;
+  Handle<Script> script_;
+  bool is_eval_;
 
   DISALLOW_COPY_AND_ASSIGN(FastCodeGenerator);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FAST_CODEGEN_H_