Support multi-chunk differences

src/runtime.cc

 // 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 9748 matching lines @@
 static Object* Runtime_LiveEditCheckAndDropActivations(Arguments args) {
   ASSERT(args.length() == 2);
   HandleScope scope;
   CONVERT_ARG_CHECKED(JSArray, shared_array, 0);
   CONVERT_BOOLEAN_CHECKED(do_drop, args[1]);
 
   return *LiveEdit::CheckAndDropActivations(shared_array, do_drop);
 }
 
 // Compares 2 strings line-by-line and returns diff in form of JSArray of
-// triplets (pos1, len1, len2) describing list of diff chunks.
+// triplets (pos1, pos1_end, pos2_end) describing list of diff chunks.
 static Object* Runtime_LiveEditCompareStringsLinewise(Arguments args) {
   ASSERT(args.length() == 2);
   HandleScope scope;
   CONVERT_ARG_CHECKED(String, s1, 0);
   CONVERT_ARG_CHECKED(String, s2, 1);
 
   return *LiveEdit::CompareStringsLinewise(s1, s2);
 }
 
 
@@ skipping 421 matching lines @@
   } else {
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     Counters::gc_last_resort_from_js.Increment();
     Heap::CollectAllGarbage(false);
   }
 }
 
 
 } }  // namespace v8::internal