| /* |
| * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) |
| * Copyright (C) 2002, 2005, 2006, 2007, 2008, 2009 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. |
| * |
| */ |
| |
| #ifndef Operations_h |
| #define Operations_h |
| |
| #include "JSImmediate.h" |
| #include "JSNumberCell.h" |
| #include "JSString.h" |
| |
| namespace JSC { |
| |
| // ECMA 11.9.3 |
| inline bool JSValuePtr::equal(ExecState* exec, JSValuePtr v1, JSValuePtr v2) |
| { |
| if (JSImmediate::areBothImmediateIntegerNumbers(v1, v2)) |
| return v1 == v2; |
| |
| return equalSlowCase(exec, v1, v2); |
| } |
| |
| ALWAYS_INLINE bool JSValuePtr::equalSlowCaseInline(ExecState* exec, JSValuePtr v1, JSValuePtr v2) |
| { |
| ASSERT(!JSImmediate::areBothImmediateIntegerNumbers(v1, v2)); |
| |
| do { |
| if (v1.isNumber() && v2.isNumber()) |
| return v1.uncheckedGetNumber() == v2.uncheckedGetNumber(); |
| |
| bool s1 = v1.isString(); |
| bool s2 = v2.isString(); |
| if (s1 && s2) |
| return asString(v1)->value() == asString(v2)->value(); |
| |
| if (v1.isUndefinedOrNull()) { |
| if (v2.isUndefinedOrNull()) |
| return true; |
| if (JSImmediate::isImmediate(v2)) |
| return false; |
| return v2.asCell()->structure()->typeInfo().masqueradesAsUndefined(); |
| } |
| |
| if (v2.isUndefinedOrNull()) { |
| if (JSImmediate::isImmediate(v1)) |
| return false; |
| return v1.asCell()->structure()->typeInfo().masqueradesAsUndefined(); |
| } |
| |
| if (v1.isObject()) { |
| if (v2.isObject()) |
| return v1 == v2; |
| JSValuePtr p1 = v1.toPrimitive(exec); |
| if (exec->hadException()) |
| return false; |
| v1 = p1; |
| if (JSImmediate::areBothImmediateIntegerNumbers(v1, v2)) |
| return v1 == v2; |
| continue; |
| } |
| |
| if (v2.isObject()) { |
| JSValuePtr p2 = v2.toPrimitive(exec); |
| if (exec->hadException()) |
| return false; |
| v2 = p2; |
| if (JSImmediate::areBothImmediateIntegerNumbers(v1, v2)) |
| return v1 == v2; |
| continue; |
| } |
| |
| if (s1 || s2) { |
| double d1 = v1.toNumber(exec); |
| double d2 = v2.toNumber(exec); |
| return d1 == d2; |
| } |
| |
| if (v1.isBoolean()) { |
| if (v2.isNumber()) |
| return static_cast<double>(v1.getBoolean()) == v2.uncheckedGetNumber(); |
| } else if (v2.isBoolean()) { |
| if (v1.isNumber()) |
| return v1.uncheckedGetNumber() == static_cast<double>(v2.getBoolean()); |
| } |
| |
| return v1 == v2; |
| } while (true); |
| } |
| |
| // ECMA 11.9.3 |
| inline bool JSValuePtr::strictEqual(JSValuePtr v1, JSValuePtr v2) |
| { |
| if (JSImmediate::areBothImmediateIntegerNumbers(v1, v2)) |
| return v1 == v2; |
| |
| if (v1.isNumber() && v2.isNumber()) |
| return v1.uncheckedGetNumber() == v2.uncheckedGetNumber(); |
| |
| if (JSImmediate::isEitherImmediate(v1, v2)) |
| return v1 == v2; |
| |
| return strictEqualSlowCase(v1, v2); |
| } |
| |
| ALWAYS_INLINE bool JSValuePtr::strictEqualSlowCaseInline(JSValuePtr v1, JSValuePtr v2) |
| { |
| ASSERT(!JSImmediate::isEitherImmediate(v1, v2)); |
| |
| if (v1.asCell()->isString() && v2.asCell()->isString()) |
| return asString(v1)->value() == asString(v2)->value(); |
| |
| return v1 == v2; |
| } |
| |
| JSValuePtr throwOutOfMemoryError(ExecState*); |
| |
| } |
| #endif |