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      1 /*
      2  *  Copyright (C) 1999-2000 Harri Porten (porten (at) 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
     80