Add more debugging information to scripts compiled through eval

src/objects.h

 // Copyright 2006-2009 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 2612 matching lines @@
 // An abstract superclass, a marker class really, for simple structure classes.
 // It doesn't carry much functionality but allows struct classes to me
 // identified in the type system.
 class Struct: public HeapObject {
  public:
   inline void InitializeBody(int object_size);
   static inline Struct* cast(Object* that);
 };
 
 
-// Script types.
-enum ScriptType {
-  SCRIPT_TYPE_NATIVE,
-  SCRIPT_TYPE_EXTENSION,
-  SCRIPT_TYPE_NORMAL
-};
-
-
 // Script describes a script which has been added to the VM.
 class Script: public Struct {
  public:
+  // Script types.
+  enum Type {
+    TYPE_NATIVE,
+    TYPE_EXTENSION,
+    TYPE_NORMAL
+  };
+
+  // Script compilation types.
+  enum CompilationType {
+    COMPILATION_TYPE_HOST,
+    COMPILATION_TYPE_EVAL,
+    COMPILATION_TYPE_JSON
+  };
+
   // [source]: the script source.
   DECL_ACCESSORS(source, Object)
 
   // [name]: the script name.
   DECL_ACCESSORS(name, Object)
 
   // [id]: the script id.
   DECL_ACCESSORS(id, Object)
 
   // [line_offset]: script line offset in resource from where it was extracted.
   DECL_ACCESSORS(line_offset, Smi)
 
   // [column_offset]: script column offset in resource from where it was
   // extracted.
   DECL_ACCESSORS(column_offset, Smi)
 
   // [data]: additional data associated with this script.
   DECL_ACCESSORS(data, Object)
 
   // [context_data]: context data for the context this script was compiled in.
   DECL_ACCESSORS(context_data, Object)
 
   // [wrapper]: the wrapper cache.
   DECL_ACCESSORS(wrapper, Proxy)
 
   // [type]: the script type.
   DECL_ACCESSORS(type, Smi)
 
-  // [line_ends]: array of line ends positions
+  // [compilation]: how the the script was compiled.
+  DECL_ACCESSORS(compilation_type, Smi)
+
+  // [line_ends]: array of line ends positions.
   DECL_ACCESSORS(line_ends, Object)
 
+  // [eval_from_function]: for eval scripts the funcion from which eval was
+  // called.
+  DECL_ACCESSORS(eval_from_function, Object)
+
+  // [eval_from_instructions_offset]: the instruction offset in the code for the
+  // function from which eval was called where eval was called.
+  DECL_ACCESSORS(eval_from_instructions_offset, Smi)
+
   static inline Script* cast(Object* obj);
 
 #ifdef DEBUG
   void ScriptPrint();
   void ScriptVerify();
 #endif
 
   static const int kSourceOffset = HeapObject::kHeaderSize;
   static const int kNameOffset = kSourceOffset + kPointerSize;
   static const int kLineOffsetOffset = kNameOffset + kPointerSize;
   static const int kColumnOffsetOffset = kLineOffsetOffset + kPointerSize;
   static const int kDataOffset = kColumnOffsetOffset + kPointerSize;
   static const int kContextOffset = kDataOffset + kPointerSize;
   static const int kWrapperOffset = kContextOffset + kPointerSize;
   static const int kTypeOffset = kWrapperOffset + kPointerSize;
-  static const int kLineEndsOffset = kTypeOffset + kPointerSize;
+  static const int kCompilationTypeOffset = kTypeOffset + kPointerSize;
+  static const int kLineEndsOffset = kCompilationTypeOffset + kPointerSize;
   static const int kIdOffset = kLineEndsOffset + kPointerSize;
-  static const int kSize = kIdOffset + kPointerSize;
+  static const int kEvalFromFunctionOffset = kIdOffset + kPointerSize;
+  static const int kEvalFrominstructionsOffsetOffset =
+      kEvalFromFunctionOffset + kPointerSize;
+  static const int kSize = kEvalFrominstructionsOffsetOffset + kPointerSize;
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(Script);
 };
 
 
 // SharedFunctionInfo describes the JSFunction information that can be
 // shared by multiple instances of the function.
 class SharedFunctionInfo: public HeapObject {
  public:
@@ skipping 1705 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_