Move remaining Message functions to C++

src/objects.h

 // Copyright 2015 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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 #include <memory>
 
@@ skipping 8121 matching lines @@
   DECL_ACCESSORS(stack_frames, Object)
 
   // [start_position]: the start position in the script for the error message.
   inline int start_position() const;
   inline void set_start_position(int value);
 
   // [end_position]: the end position in the script for the error message.
   inline int end_position() const;
   inline void set_end_position(int value);
 
+  int GetLineNumber() const;
+
+  // Returns the offset of the given position within the containing line.
+  int GetColumnNumber() const;
+
+  // Returns the source code line containing the given source
+  // position, or the empty string if the position is invalid.
+  Handle<String> GetSourceLine() const;
+
   DECLARE_CAST(JSMessageObject)
 
   // Dispatched behavior.
   DECLARE_PRINTER(JSMessageObject)
   DECLARE_VERIFIER(JSMessageObject)
 
   // Layout description.
   static const int kTypeOffset = JSObject::kHeaderSize;
   static const int kArgumentsOffset = kTypeOffset + kPointerSize;
   static const int kScriptOffset = kArgumentsOffset + kPointerSize;
@@ skipping 2924 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_