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, PassRefPtr<Structure> structure, BooleanPrototype* booleanPrototype)
  32     : InternalFunction(&exec->globalData(), structure, Identifier(exec, booleanPrototype->classInfo()->className))
  33 {
  34     putDirectWithoutTransition(exec->propertyNames().prototype, booleanPrototype, DontEnum | DontDelete | ReadOnly);
  35
  36     // no. of arguments for constructor
  37     putDirectWithoutTransition(exec->propertyNames().length, jsNumber(exec, 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->lexicalGlobalObject()->booleanObjectStructure());
  44     obj->setInternalValue(jsBoolean(args.at(0).toBoolean(exec)));
  45     return obj;
  46 }
  47
  48 static JSObject* constructWithBooleanConstructor(ExecState* exec, JSObject*, const ArgList& args)
  49 {
  50     return constructBoolean(exec, args);
  51 }
  52
  53 ConstructType BooleanConstructor::getConstructData(ConstructData& constructData)
  54 {
  55     constructData.native.function = constructWithBooleanConstructor;
  56     return ConstructTypeHost;
  57 }
  58
  59 // ECMA 15.6.1
  60 static JSValue JSC_HOST_CALL callBooleanConstructor(ExecState* exec, JSObject*, JSValue, const ArgList& args)
  61 {
  62     return jsBoolean(args.at(0).toBoolean(exec));
  63 }
  64
  65 CallType BooleanConstructor::getCallData(CallData& callData)
  66 {
  67     callData.native.function = callBooleanConstructor;
  68     return CallTypeHost;
  69 }
  70
  71 JSObject* constructBooleanFromImmediateBoolean(ExecState* exec, JSValue immediateBooleanValue)
  72 {
  73     BooleanObject* obj = new (exec) BooleanObject(exec->lexicalGlobalObject()->booleanObjectStructure());
  74     obj->setInternalValue(immediateBooleanValue);
  75     return obj;
  76 }
  77
  78 } // namespace JSC