[Interpreter] Log source positions for bytecode arrays.

src/assembler.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 20 matching lines @@
 // The original source code covered by the above license above has been
 // modified significantly by Google Inc.
 // Copyright 2012 the V8 project authors. All rights reserved.
 
 #ifndef V8_ASSEMBLER_H_
 #define V8_ASSEMBLER_H_
 
 #include "src/allocation.h"
 #include "src/builtins.h"
 #include "src/isolate.h"
+#include "src/log.h"
 #include "src/runtime/runtime.h"
 
 namespace v8 {
 
 // Forward declarations.
 class ApiFunction;
 
 namespace internal {
 
 // Forward declarations.
@@ skipping 1027 matching lines @@
                     current_statement_position(RelocInfo::kNoPosition),
                     written_statement_position(RelocInfo::kNoPosition) {}
 
   int current_position;
   int written_position;
 
   int current_statement_position;
   int written_statement_position;
 };
 
+class AssemblerPositionsRecorder : public PositionsRecorder {
+ public:
+  explicit AssemblerPositionsRecorder(Assembler* assembler)
+      : assembler_(assembler) {}
 
-class PositionsRecorder BASE_EMBEDDED {
- public:
-  explicit PositionsRecorder(Assembler* assembler)
-      : assembler_(assembler) {
-    jit_handler_data_ = NULL;
-  }
-
-  void AttachJITHandlerData(void* user_data) {
-    jit_handler_data_ = user_data;
-  }
-
-  void* DetachJITHandlerData() {
-    void* old_data = jit_handler_data_;
-    jit_handler_data_ = NULL;
-    return old_data;
-  }
   // Set current position to pos.
   void RecordPosition(int pos);
 
   // Set current statement position to pos.
   void RecordStatementPosition(int pos);
 
   // Write recorded positions to relocation information.
   bool WriteRecordedPositions();
 
   int current_position() const { return state_.current_position; }
 
   int current_statement_position() const {
     return state_.current_statement_position;
   }
 
  private:
   Assembler* assembler_;
   PositionState state_;
 
-  // Currently jit_handler_data_ is used to store JITHandler-specific data
-  // over the lifetime of a PositionsRecorder
-  void* jit_handler_data_;
-
-  DISALLOW_COPY_AND_ASSIGN(PositionsRecorder);
+  DISALLOW_COPY_AND_ASSIGN(AssemblerPositionsRecorder);
 };
 
 
 // -----------------------------------------------------------------------------
 // Utility functions
 
 inline int NumberOfBitsSet(uint32_t x) {
   unsigned int num_bits_set;
   for (num_bits_set = 0; x; x >>= 1) {
     num_bits_set += x & 1;
@@ skipping 157 matching lines @@
     std::vector<ConstantPoolEntry> shared_entries;
   };
 
   Label emitted_label_;  // Records pc_offset of emitted pool
   PerTypeEntryInfo info_[ConstantPoolEntry::NUMBER_OF_TYPES];
 };
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_ASSEMBLER_H_