Reimplement a simpler version of JSON.stringify.

src/runtime.cc

 // Copyright 2012 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 28 matching lines @@
 #include "cpu.h"
 #include "dateparser-inl.h"
 #include "debug.h"
 #include "deoptimizer.h"
 #include "date.h"
 #include "execution.h"
 #include "global-handles.h"
 #include "isolate-inl.h"
 #include "jsregexp.h"
 #include "json-parser.h"
+#include "json-stringifier.h"
 #include "liveedit.h"
 #include "liveobjectlist-inl.h"
 #include "misc-intrinsics.h"
 #include "parser.h"
 #include "platform.h"
 #include "runtime-profiler.h"
 #include "runtime.h"
 #include "scopeinfo.h"
 #include "smart-pointers.h"
 #include "string-search.h"
@@ skipping 5694 matching lines @@
                                                       elements,
                                                       worst_case_length);
   } else {
     return QuoteJsonStringArray<uc16, SeqTwoByteString>(isolate,
                                                         elements,
                                                         worst_case_length);
   }
 }
 
 
+RUNTIME_FUNCTION(MaybeObject*, Runtime_BasicJSONStringify) {
+  ASSERT(args.length() == 1);
+  HandleScope scope(isolate);
+  BasicJsonStringifier stringifier(isolate);
+  return stringifier.Stringify(Handle<Object>(args[0]));
+}
+
+
 RUNTIME_FUNCTION(MaybeObject*, Runtime_StringParseInt) {
   NoHandleAllocation ha;
 
   CONVERT_ARG_CHECKED(String, s, 0);
   CONVERT_SMI_ARG_CHECKED(radix, 1);
 
   s->TryFlatten();
 
   RUNTIME_ASSERT(radix == 0 || (2 <= radix && radix <= 36));
   double value = StringToInt(isolate->unicode_cache(), s, radix);
@@ skipping 7519 matching lines @@
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     isolate->counters()->gc_last_resort_from_js()->Increment();
     isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags,
                                        "Runtime::PerformGC");
   }
 }
 
 
 } }  // namespace v8::internal