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      1 // Copyright 2016 the V8 project authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "src/builtins/builtins.h"
      6 #include "src/builtins/builtins-utils.h"
      7 
      8 #include "src/counters.h"
      9 #include "src/json-parser.h"
     10 #include "src/json-stringifier.h"
     11 #include "src/objects-inl.h"
     12 
     13 namespace v8 {
     14 namespace internal {
     15 
     16 // ES6 section 24.3.1 JSON.parse.
     17 BUILTIN(JsonParse) {
     18   HandleScope scope(isolate);
     19   Handle<Object> source = args.atOrUndefined(isolate, 1);
     20   Handle<Object> reviver = args.atOrUndefined(isolate, 2);
     21   Handle<String> string;
     22   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, string,
     23                                      Object::ToString(isolate, source));
     24   string = String::Flatten(string);
     25   RETURN_RESULT_OR_FAILURE(
     26       isolate, string->IsSeqOneByteString()
     27                    ? JsonParser<true>::Parse(isolate, string, reviver)
     28                    : JsonParser<false>::Parse(isolate, string, reviver));
     29 }
     30 
     31 // ES6 section 24.3.2 JSON.stringify.
     32 BUILTIN(JsonStringify) {
     33   HandleScope scope(isolate);
     34   JsonStringifier stringifier(isolate);
     35   Handle<Object> object = args.atOrUndefined(isolate, 1);
     36   Handle<Object> replacer = args.atOrUndefined(isolate, 2);
     37   Handle<Object> indent = args.atOrUndefined(isolate, 3);
     38   RETURN_RESULT_OR_FAILURE(isolate,
     39                            stringifier.Stringify(object, replacer, indent));
     40 }
     41 
     42 }  // namespace internal
     43 }  // namespace v8
     44