deps/v8/src/builtins/builtins-json.cc - main - githubmirror/node

deps/v8/src/builtins/builtins-json.cc
58 строк2 KB
Michaël Zasso
deps: update V8 to 14.1.146.11
04 окт 2025, 19:47
04 окт 2025, 19:477772a2d
// Copyright 2016 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.

#include "src/builtins/builtins-utils-inl.h"
#include "src/builtins/builtins.h"
#include "src/json/json-parser.h"
#include "src/json/json-stringifier.h"
#include "src/logging/counters.h"
#include "src/objects/js-raw-json.h"
#include "src/objects/objects-inl.h"

namespace v8 {
namespace internal {

// ES6 section 24.3.1 JSON.parse.
BUILTIN(JsonParse) {
  HandleScope scope(isolate);
  Handle<Object> source = args.atOrUndefined(isolate, 1);
  Handle<Object> reviver = args.atOrUndefined(isolate, 2);
  Handle<String> string;
  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, string,
                                     Object::ToString(isolate, source));
  string = String::Flatten(isolate, string);
  RETURN_RESULT_OR_FAILURE(
      isolate,
      String::IsOneByteRepresentationUnderneath(*string)
          ? JsonParser<uint8_t>::Parse(isolate, string, reviver, std::nullopt)
          : JsonParser<uint16_t>::Parse(isolate, string, reviver,
                                        std::nullopt));
}

// ES6 section 24.3.2 JSON.stringify.
BUILTIN(JsonStringify) {
  HandleScope scope(isolate);
  Handle<JSAny> object = Cast<JSAny>(args.atOrUndefined(isolate, 1));
  Handle<JSAny> replacer = Cast<JSAny>(args.atOrUndefined(isolate, 2));
  Handle<Object> indent = args.atOrUndefined(isolate, 3);
  RETURN_RESULT_OR_FAILURE(isolate,
                           JsonStringify(isolate, object, replacer, indent));
}

// https://tc39.es/proposal-json-parse-with-source/#sec-json.rawjson
BUILTIN(JsonRawJson) {
  HandleScope scope(isolate);
  Handle<Object> text = args.atOrUndefined(isolate, 1);
  RETURN_RESULT_OR_FAILURE(isolate, JSRawJson::Create(isolate, text));
}

// https://tc39.es/proposal-json-parse-with-source/#sec-json.israwjson
BUILTIN(JsonIsRawJson) {
  HandleScope scope(isolate);
  DirectHandle<Object> text = args.atOrUndefined(isolate, 1);
  return isolate->heap()->ToBoolean(IsJSRawJson(*text));
}

}  // namespace internal
}  // namespace v8