[debugger] separate break point info from code instrumentation.

src/objects-inl.h

 // Copyright 2012 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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 5793 matching lines @@
                              kOriginOptionsShift);
 }
 void Script::set_origin_options(ScriptOriginOptions origin_options) {
   DCHECK(!(origin_options.Flags() & ~((1 << kOriginOptionsSize) - 1)));
   set_flags((flags() & ~kOriginOptionsMask) |
             (origin_options.Flags() << kOriginOptionsShift));
 }
 
 
 ACCESSORS(DebugInfo, shared, SharedFunctionInfo, kSharedFunctionInfoIndex)
-ACCESSORS(DebugInfo, abstract_code, AbstractCode, kAbstractCodeIndex)
+ACCESSORS(DebugInfo, debug_bytecode_array, Object, kDebugBytecodeArrayIndex)
 ACCESSORS(DebugInfo, break_points, FixedArray, kBreakPointsStateIndex)
 
-BytecodeArray* DebugInfo::original_bytecode_array() {
+bool DebugInfo::HasDebugBytecodeArray() {
+  return debug_bytecode_array()->IsBytecodeArray();
+}
+
+bool DebugInfo::HasDebugCode() {
+  Code* code = shared()->code();
+  bool has = code->kind() == Code::FUNCTION;
+  DCHECK(!has || code->has_debug_break_slots());
+  return has;
+}
+
+BytecodeArray* DebugInfo::OriginalBytecodeArray() {
+  DCHECK(HasDebugBytecodeArray());
   return shared()->bytecode_array();
 }
 
+BytecodeArray* DebugInfo::DebugBytecodeArray() {
+  DCHECK(HasDebugBytecodeArray());
+  return BytecodeArray::cast(debug_bytecode_array());
+}
+
+Code* DebugInfo::DebugCode() {
+  DCHECK(HasDebugCode());
+  return shared()->code();
+}
+
 SMI_ACCESSORS(BreakPointInfo, source_position, kSourcePositionIndex)
 ACCESSORS(BreakPointInfo, break_point_objects, Object, kBreakPointObjectsIndex)
 
 ACCESSORS(SharedFunctionInfo, name, Object, kNameOffset)
 ACCESSORS(SharedFunctionInfo, optimized_code_map, FixedArray,
           kOptimizedCodeMapOffset)
 ACCESSORS(SharedFunctionInfo, construct_stub, Code, kConstructStubOffset)
 ACCESSORS(SharedFunctionInfo, feedback_metadata, TypeFeedbackMetadata,
           kFeedbackMetadataOffset)
 #if TRACE_MAPS
@@ skipping 2355 matching lines @@
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_INL_H_