| /* |
| * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) |
| * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "config.h" |
| #include "Operations.h" |
| |
| #include "Error.h" |
| #include "JSObject.h" |
| #include "JSString.h" |
| #include <math.h> |
| #include <stdio.h> |
| #include <wtf/MathExtras.h> |
| |
| namespace JSC { |
| |
| bool JSValue::equalSlowCase(ExecState* exec, JSValue v1, JSValue v2) |
| { |
| return equalSlowCaseInline(exec, v1, v2); |
| } |
| |
| bool JSValue::strictEqualSlowCase(ExecState* exec, JSValue v1, JSValue v2) |
| { |
| return strictEqualSlowCaseInline(exec, v1, v2); |
| } |
| |
| NEVER_INLINE JSValue jsAddSlowCase(CallFrame* callFrame, JSValue v1, JSValue v2) |
| { |
| // exception for the Date exception in defaultValue() |
| JSValue p1 = v1.toPrimitive(callFrame); |
| JSValue p2 = v2.toPrimitive(callFrame); |
| |
| if (p1.isString()) |
| return jsString(callFrame, asString(p1), p2.toString(callFrame)); |
| |
| if (p2.isString()) |
| return jsString(callFrame, p1.toString(callFrame), asString(p2)); |
| |
| return jsNumber(p1.toNumber(callFrame) + p2.toNumber(callFrame)); |
| } |
| |
| JSValue jsTypeStringForValue(CallFrame* callFrame, JSValue v) |
| { |
| JSGlobalData& globalData = callFrame->globalData(); |
| if (v.isUndefined()) |
| return globalData.smallStrings.undefinedString(&globalData); |
| if (v.isBoolean()) |
| return globalData.smallStrings.booleanString(&globalData); |
| if (v.isNumber()) |
| return globalData.smallStrings.numberString(&globalData); |
| if (v.isString()) |
| return globalData.smallStrings.stringString(&globalData); |
| if (v.isObject()) { |
| // Return "undefined" for objects that should be treated |
| // as null when doing comparisons. |
| if (asObject(v)->structure()->masqueradesAsUndefined(callFrame->lexicalGlobalObject())) |
| return globalData.smallStrings.undefinedString(&globalData); |
| CallData callData; |
| JSObject* object = asObject(v); |
| if (object->methodTable()->getCallData(object, callData) != CallTypeNone) |
| return globalData.smallStrings.functionString(&globalData); |
| } |
| return globalData.smallStrings.objectString(&globalData); |
| } |
| |
| bool jsIsObjectType(CallFrame* callFrame, JSValue v) |
| { |
| if (!v.isCell()) |
| return v.isNull(); |
| |
| JSType type = v.asCell()->structure()->typeInfo().type(); |
| if (type == NumberType || type == StringType) |
| return false; |
| if (type >= ObjectType) { |
| if (asObject(v)->structure()->masqueradesAsUndefined(callFrame->lexicalGlobalObject())) |
| return false; |
| CallData callData; |
| JSObject* object = asObject(v); |
| if (object->methodTable()->getCallData(object, callData) != CallTypeNone) |
| return false; |
| } |
| return true; |
| } |
| |
| bool jsIsFunctionType(JSValue v) |
| { |
| if (v.isObject()) { |
| CallData callData; |
| JSObject* object = asObject(v); |
| if (object->methodTable()->getCallData(object, callData) != CallTypeNone) |
| return true; |
| } |
| return false; |
| } |
| |
| } // namespace JSC |