runtime/BooleanConstructor.cpp

   1 /*
   2  *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
   3  *  Copyright (C) 2003, 2008 Apple Inc. All rights reserved.
   4  *
   5  *  This library is free software; you can redistribute it and/or
   6  *  modify it under the terms of the GNU Lesser General Public
   7  *  License as published by the Free Software Foundation; either
   8  *  version 2 of the License, or (at your option) any later version.
   9  *
  10  *  This library is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  *  Lesser General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU Lesser General Public
  16  *  License along with this library; if not, write to the Free Software
  17  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  18  *
  19  */
  20
  21 #include "config.h"
  22 #include "BooleanConstructor.h"
  23
  24 #include "BooleanPrototype.h"
  25 #include "JSGlobalObject.h"
  26
  27 namespace JSC {
  28
  29 ASSERT_CLASS_FITS_IN_CELL(BooleanConstructor);
  30
  31 BooleanConstructor::BooleanConstructor(ExecState* exec, JSGlobalObject* globalObject, Structure* structure, BooleanPrototype* booleanPrototype)
  32     : InternalFunction(&exec->globalData(), globalObject, structure, Identifier(exec, booleanPrototype->classInfo()->className))
  33 {
  34     putDirectWithoutTransition(exec->globalData(), exec->propertyNames().prototype, booleanPrototype, DontEnum | DontDelete | ReadOnly);
  35
  36     // no. of arguments for constructor
  37     putDirectWithoutTransition(exec->globalData(), exec->propertyNames().length, jsNumber(1), ReadOnly | DontDelete | DontEnum);
  38 }
  39
  40 // ECMA 15.6.2
  41 JSObject* constructBoolean(ExecState* exec, const ArgList& args)
  42 {
  43     BooleanObject* obj = new (exec) BooleanObject(exec->globalData(), asInternalFunction(exec->callee())->globalObject()->booleanObjectStructure());
  44     obj->setInternalValue(exec->globalData(), jsBoolean(args.at(0).toBoolean(exec)));
  45     return obj;
  46 }
  47
  48 static EncodedJSValue JSC_HOST_CALL constructWithBooleanConstructor(ExecState* exec)
  49 {
  50     ArgList args(exec);
  51     return JSValue::encode(constructBoolean(exec, args));
  52 }
  53
  54 ConstructType BooleanConstructor::getConstructData(ConstructData& constructData)
  55 {
  56     constructData.native.function = constructWithBooleanConstructor;
  57     return ConstructTypeHost;
  58 }
  59
  60 // ECMA 15.6.1
  61 static EncodedJSValue JSC_HOST_CALL callBooleanConstructor(ExecState* exec)
  62 {
  63     return JSValue::encode(jsBoolean(exec->argument(0).toBoolean(exec)));
  64 }
  65
  66 CallType BooleanConstructor::getCallData(CallData& callData)
  67 {
  68     callData.native.function = callBooleanConstructor;
  69     return CallTypeHost;
  70 }
  71
  72 JSObject* constructBooleanFromImmediateBoolean(ExecState* exec, JSGlobalObject* globalObject, JSValue immediateBooleanValue)
  73 {
  74     BooleanObject* obj = new (exec) BooleanObject(exec->globalData(), globalObject->booleanObjectStructure());
  75     obj->setInternalValue(exec->globalData(), immediateBooleanValue);
  76     return obj;
  77 }
  78
  79 } // namespace JSC