More refactoring of class Compiler's interface.

src/data-flow.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 180 matching lines @@
   int tail_;      // Where the next inserted item will go.
   List<T*> queue_;
 };
 
 
 // Computes the set of assigned variables and annotates variables proxies
 // that are trivial sub-expressions and for-loops where the loop variable
 // is guaranteed to be a smi.
 class AssignedVariablesAnalyzer : public AstVisitor {
  public:
-  explicit AssignedVariablesAnalyzer(FunctionLiteral* fun) : fun_(fun) { }
-  bool Analyze();
+  explicit AssignedVariablesAnalyzer() : info_(NULL) { }
+  bool Analyze(CompilationInfo* info);
 
  private:
   Variable* FindSmiLoopVariable(ForStatement* stmt);
 
   int BitIndex(Variable* var);
 
   void RecordAssignedVar(Variable* var);
 
   void MarkIfTrivial(Expression* expr);
 
   // Visits an expression saving the accumulator before, clearing
   // it before visting and restoring it after visiting.
   void ProcessExpression(Expression* expr);
 
   // AST node visit functions.
 #define DECLARE_VISIT(type) virtual void Visit##type(type* node);
   AST_NODE_LIST(DECLARE_VISIT)
 #undef DECLARE_VISIT
 
-  FunctionLiteral* fun_;
+  CompilationInfo* info_;
 
   // Accumulator for assigned variables set.
   BitVector av_;
 
   DISALLOW_COPY_AND_ASSIGN(AssignedVariablesAnalyzer);
 };
 
 
 } }  // namespace v8::internal
 
 
 #endif  // V8_DATAFLOW_H_