Refactored the recording of source position in the generated code. The code g...

src/codegen-arm.h

 // Copyright 2006-2008 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 358 matching lines @@
                                        int min_index,
                                        int range,
                                        int default_index);
 
   // Fast support for constant-Smi switches. Tests whether switch statement
   // permits optimization and calls GenerateFastCaseSwitch if it does.
   // Returns true if the fast-case switch was generated, and false if not.
   bool TryGenerateFastCaseSwitchStatement(SwitchStatement* node);
 
 
-  // Bottle-neck interface to call the Assembler to generate the statement
-  // position. This allows us to easily control whether statement positions
-  // should be generated or not.
-  void RecordStatementPosition(Node* node);
+  // Methods used to indicate which source code is generated for. Source
+  // positions are collected by the assembler and emitted with the relocation
+  // information.
+  void CodeForStatement(Node* node);
+  void CodeForSourcePosition(int pos);
 
   bool is_eval_;  // Tells whether code is generated for eval.
   Handle<Script> script_;
   List<DeferredCode*> deferred_;
 
   // Assembler
   MacroAssembler* masm_;  // to generate code
 
   // Code generation state
   Scope* scope_;
   VirtualFrame* frame_;
   Condition cc_reg_;
   CodeGenState* state_;
   bool is_inside_try_;
   int break_stack_height_;
 
   // Labels
   Label function_return_;
 
   friend class VirtualFrame;
   friend class Reference;
 
   DISALLOW_COPY_AND_ASSIGN(CodeGenerator);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CODEGEN_ARM_H_