The Tor Browser: comparison js/src/jsbool.cpp

--1:000000000000
+:9de7c08d5ed7
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+* vim: set ts=8 sts=4 et sw=4 tw=99:
+* 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/. */
+/*
+* JS boolean implementation.
+*/
+#include "jsboolinlines.h"
+#include "jsapi.h"
+#include "jsatom.h"
+#include "jscntxt.h"
+#include "jsobj.h"
+#include "jstypes.h"
+#include "vm/GlobalObject.h"
+#include "vm/ProxyObject.h"
+#include "vm/StringBuffer.h"
+#include "vm/BooleanObject-inl.h"
+using namespace js;
+using namespace js::types;
+const Class BooleanObject::class_ = {
+"Boolean",
+JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_HAS_CACHED_PROTO(JSProto_Boolean),
+JS_PropertyStub,         /* addProperty */
+JS_DeletePropertyStub,   /* delProperty */
+JS_PropertyStub,         /* getProperty */
+JS_StrictPropertyStub,   /* setProperty */
+JS_EnumerateStub,
+JS_ResolveStub,
+JS_ConvertStub
+};
+MOZ_ALWAYS_INLINE bool
+IsBoolean(HandleValue v)
+{
+return v.isBoolean() || (v.isObject() && v.toObject().is<BooleanObject>());
+}
+#if JS_HAS_TOSOURCE
+MOZ_ALWAYS_INLINE bool
+bool_toSource_impl(JSContext *cx, CallArgs args)
+{
+HandleValue thisv = args.thisv();
+JS_ASSERT(IsBoolean(thisv));
+bool b = thisv.isBoolean() ? thisv.toBoolean() : thisv.toObject().as<BooleanObject>().unbox();
+StringBuffer sb(cx);
+if (!sb.append("(new Boolean(") || !BooleanToStringBuffer(b, sb) || !sb.append("))"))
+return false;
+JSString *str = sb.finishString();
+if (!str)
+return false;
+args.rval().setString(str);
+return true;
+}
+static bool
+bool_toSource(JSContext *cx, unsigned argc, Value *vp)
+{
+CallArgs args = CallArgsFromVp(argc, vp);
+return CallNonGenericMethod<IsBoolean, bool_toSource_impl>(cx, args);
+}
+#endif
+MOZ_ALWAYS_INLINE bool
+bool_toString_impl(JSContext *cx, CallArgs args)
+{
+HandleValue thisv = args.thisv();
+JS_ASSERT(IsBoolean(thisv));
+bool b = thisv.isBoolean() ? thisv.toBoolean() : thisv.toObject().as<BooleanObject>().unbox();
+args.rval().setString(js_BooleanToString(cx, b));
+return true;
+}
+static bool
+bool_toString(JSContext *cx, unsigned argc, Value *vp)
+{
+CallArgs args = CallArgsFromVp(argc, vp);
+return CallNonGenericMethod<IsBoolean, bool_toString_impl>(cx, args);
+}
+MOZ_ALWAYS_INLINE bool
+bool_valueOf_impl(JSContext *cx, CallArgs args)
+{
+HandleValue thisv = args.thisv();
+JS_ASSERT(IsBoolean(thisv));
+bool b = thisv.isBoolean() ? thisv.toBoolean() : thisv.toObject().as<BooleanObject>().unbox();
+args.rval().setBoolean(b);
+return true;
+}
+static bool
+bool_valueOf(JSContext *cx, unsigned argc, Value *vp)
+{
+CallArgs args = CallArgsFromVp(argc, vp);
+return CallNonGenericMethod<IsBoolean, bool_valueOf_impl>(cx, args);
+}
+static const JSFunctionSpec boolean_methods[] = {
+#if JS_HAS_TOSOURCE
+JS_FN(js_toSource_str,  bool_toSource,  0, 0),
+#endif
+JS_FN(js_toString_str,  bool_toString,  0, 0),
+JS_FS_END
+};
+static bool
+Boolean(JSContext *cx, unsigned argc, Value *vp)
+{
+CallArgs args = CallArgsFromVp(argc, vp);
+bool b = args.length() != 0 ? JS::ToBoolean(args[0]) : false;
+if (args.isConstructing()) {
+JSObject *obj = BooleanObject::create(cx, b);
+if (!obj)
+return false;
+args.rval().setObject(*obj);
+} else {
+args.rval().setBoolean(b);
+}
+return true;
+}
+JSObject *
+js_InitBooleanClass(JSContext *cx, HandleObject obj)
+{
+JS_ASSERT(obj->isNative());
+Rooted<GlobalObject*> global(cx, &obj->as<GlobalObject>());
+RootedObject booleanProto (cx, global->createBlankPrototype(cx, &BooleanObject::class_));
+if (!booleanProto)
+return nullptr;
+booleanProto->setFixedSlot(BooleanObject::PRIMITIVE_VALUE_SLOT, BooleanValue(false));
+RootedFunction ctor(cx, global->createConstructor(cx, Boolean, cx->names().Boolean, 1));
+if (!ctor)
+return nullptr;
+if (!LinkConstructorAndPrototype(cx, ctor, booleanProto))
+return nullptr;
+if (!DefinePropertiesAndBrand(cx, booleanProto, nullptr, boolean_methods))
+return nullptr;
+Handle<PropertyName*> valueOfName = cx->names().valueOf;
+RootedFunction
+valueOf(cx, NewFunction(cx, NullPtr(), bool_valueOf, 0, JSFunction::NATIVE_FUN,
+global, valueOfName));
+if (!valueOf)
+return nullptr;
+RootedValue value(cx, ObjectValue(*valueOf));
+if (!JSObject::defineProperty(cx, booleanProto, valueOfName, value,
+JS_PropertyStub, JS_StrictPropertyStub, 0))
+{
+return nullptr;
+}
+if (!GlobalObject::initBuiltinConstructor(cx, global, JSProto_Boolean, ctor, booleanProto))
+return nullptr;
+return booleanProto;
+}
+JSString *
+js_BooleanToString(ExclusiveContext *cx, bool b)
+{
+return b ? cx->names().true_ : cx->names().false_;
+}
+JS_PUBLIC_API(bool)
+js::ToBooleanSlow(HandleValue v)
+{
+if (v.isString())
+return v.toString()->length() != 0;
+JS_ASSERT(v.isObject());
+return !EmulatesUndefined(&v.toObject());
+}
+/*
+* This slow path is only ever taken for proxies wrapping Boolean objects
+* The only caller of the fast path, JSON's PreprocessValue, ensures that.
+*/
+bool
+js::BooleanGetPrimitiveValueSlow(HandleObject wrappedBool)
+{
+JSObject *obj = wrappedBool->as<ProxyObject>().target();
+JS_ASSERT(obj);
+return obj->as<BooleanObject>().unbox();
+}

The Tor Browser / file comparison

comparison: js/src/jsbool.cpp

js/src/jsbool.cpp