Use source position table for crankshaft code.

src/crankshaft/lithium-codegen.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_CRANKSHAFT_LITHIUM_CODEGEN_H_
 #define V8_CRANKSHAFT_LITHIUM_CODEGEN_H_
 
 #include "src/bailout-reason.h"
 #include "src/compiler.h"
 #include "src/deoptimizer.h"
+#include "src/source-position-table.h"
 
 namespace v8 {
 namespace internal {
 
 class HGraph;
 class LChunk;
 class LEnvironment;
 class LInstruction;
 class LPlatformChunk;
 
 class LCodeGenBase BASE_EMBEDDED {
  public:
   LCodeGenBase(LChunk* chunk,
                MacroAssembler* assembler,
                CompilationInfo* info);
   virtual ~LCodeGenBase() {}
 
   // Simple accessors.
   MacroAssembler* masm() const { return masm_; }
   CompilationInfo* info() const { return info_; }
   Isolate* isolate() const { return info_->isolate(); }
   Factory* factory() const { return isolate()->factory(); }
   Heap* heap() const { return isolate()->heap(); }
   Zone* zone() const { return zone_; }
   LPlatformChunk* chunk() const { return chunk_; }
   HGraph* graph() const;
+  SourcePositionTableBuilder* source_position_table_builder() {
+    return &source_position_table_builder_;
+  }
 
   void PRINTF_FORMAT(2, 3) Comment(const char* format, ...);
   void DeoptComment(const Deoptimizer::DeoptInfo& deopt_info);
   static Deoptimizer::DeoptInfo MakeDeoptInfo(
       LInstruction* instr, Deoptimizer::DeoptReason deopt_reason, int deopt_id);
 
   bool GenerateBody();
   virtual void GenerateBodyInstructionPre(LInstruction* instr) {}
   virtual void GenerateBodyInstructionPost(LInstruction* instr) {}
 
   virtual void EnsureSpaceForLazyDeopt(int space_needed) = 0;
-  virtual void RecordAndWritePosition(int position) = 0;
+  void RecordAndWritePosition(int position);
 
   int GetNextEmittedBlock() const;
 
   void RegisterWeakObjectsInOptimizedCode(Handle<Code> code);
 
   void WriteTranslationFrame(LEnvironment* environment,
                              Translation* translation);
   int DefineDeoptimizationLiteral(Handle<Object> literal);
 
   void PopulateDeoptimizationData(Handle<Code> code);
@@ skipping 19 matching lines @@
   Status status_;
   int current_block_;
   int current_instruction_;
   const ZoneList<LInstruction*>* instructions_;
   ZoneList<LEnvironment*> deoptimizations_;
   ZoneList<Handle<Object> > deoptimization_literals_;
   TranslationBuffer translations_;
   int inlined_function_count_;
   int last_lazy_deopt_pc_;
   int osr_pc_offset_;
+  SourcePositionTableBuilder source_position_table_builder_;
 
   bool is_unused() const { return status_ == UNUSED; }
   bool is_generating() const { return status_ == GENERATING; }
   bool is_done() const { return status_ == DONE; }
   bool is_aborted() const { return status_ == ABORTED; }
 
   void Abort(BailoutReason reason);
   void Retry(BailoutReason reason);
 
   // Methods for code dependencies.
   void AddDeprecationDependency(Handle<Map> map);
   void AddStabilityDependency(Handle<Map> map);
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_LITHIUM_CODEGEN_H_