/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- * vim: set ts=8 sts=2 et sw=2 tw=80: * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef builtin_JSON_h #define builtin_JSON_h
#include"mozilla/Range.h"
#include"NamespaceImports.h"
#include"js/RootingAPI.h"
namespace js {
class StringBuilder;
externconst JSClass JSONClass;
enumclass StringifyBehavior { // Attempt an optimistic fast path if possible, bailing back to the slow path // if anything is encountered that could invalidate the fast path results per // spec. Default behavior for non-DEBUG builds.
Normal,
// Handle a subset of functionality when called by JS::ToJSONMaybeSafely. // Different restrictions than the fast path described for Normal. See the // Stringify() comment below for details.
RestrictedSafe,
// If the fast path fails, throw an exception instead of falling back to the // slow path. Useful for testing that something that should be handled by the // fast path actually is.
FastOnly,
// Do not attempt the fast path. Useful for timing comparisons.
SlowOnly,
// Attempt to run both the fast and slow paths and compare the results, // crashing on any discrepancy. For correctness testing only. Default behavior // when DEBUG is defined.
Compare
};
/** * If stringifyBehavior is RestrictedSafe, Stringify will attempt to assert the * API requirements of JS::ToJSONMaybeSafely as it traverses the graph, and will * not try to invoke .toJSON on things as it goes.
*/ externbool Stringify(JSContext* cx, js::MutableHandleValue vp,
JSObject* replacer, const Value& space, StringBuilder& sb,
StringifyBehavior stringifyBehavior);
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