1 // Copyright 2014 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/runtime/runtime-utils.h"
6
7 #include "src/arguments.h"
8 #include "src/char-predicates-inl.h"
9 #include "src/isolate-inl.h"
10 #include "src/json-stringifier.h"
11 #include "src/objects-inl.h"
12 #include "src/parsing/json-parser.h"
13
14 namespace v8 {
15 namespace internal {
16
RUNTIME_FUNCTION(Runtime_QuoteJSONString)17 RUNTIME_FUNCTION(Runtime_QuoteJSONString) {
18 HandleScope scope(isolate);
19 CONVERT_ARG_HANDLE_CHECKED(String, string, 0);
20 DCHECK(args.length() == 1);
21 Handle<Object> result;
22 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
23 isolate, result, BasicJsonStringifier::StringifyString(isolate, string));
24 return *result;
25 }
26
27
RUNTIME_FUNCTION(Runtime_BasicJSONStringify)28 RUNTIME_FUNCTION(Runtime_BasicJSONStringify) {
29 HandleScope scope(isolate);
30 DCHECK(args.length() == 1);
31 CONVERT_ARG_HANDLE_CHECKED(Object, object, 0);
32 BasicJsonStringifier stringifier(isolate);
33 Handle<Object> result;
34 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result,
35 stringifier.Stringify(object));
36 return *result;
37 }
38
39
RUNTIME_FUNCTION(Runtime_ParseJson)40 RUNTIME_FUNCTION(Runtime_ParseJson) {
41 HandleScope scope(isolate);
42 DCHECK_EQ(1, args.length());
43 CONVERT_ARG_HANDLE_CHECKED(Object, object, 0);
44 Handle<String> source;
45 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, source,
46 Object::ToString(isolate, object));
47 source = String::Flatten(source);
48 // Optimized fast case where we only have Latin1 characters.
49 Handle<Object> result;
50 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result,
51 source->IsSeqOneByteString()
52 ? JsonParser<true>::Parse(source)
53 : JsonParser<false>::Parse(source));
54 return *result;
55 }
56
57 } // namespace internal
58 } // namespace v8
59