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 "BooleanPrototype.h"

    23 

    24 #include "Error.h"

    25 #include "JSFunction.h"

    26 #include "JSString.h"

    27 #include "ObjectPrototype.h"

    28 #include "PrototypeFunction.h"

    29 

    30 namespace JSC {

    31 

    32 ASSERT_CLASS_FITS_IN_CELL(BooleanPrototype);

    33 

    34 // Functions

    35 static JSValue JSC_HOST_CALL booleanProtoFuncToString(ExecState*, JSObject*, JSValue, const ArgList&);

    36 static JSValue JSC_HOST_CALL booleanProtoFuncValueOf(ExecState*, JSObject*, JSValue, const ArgList&);

    37 

    38 // ECMA 15.6.4

    39 

    40 BooleanPrototype::BooleanPrototype(ExecState* exec, NonNullPassRefPtr<Structure> structure, Structure* prototypeFunctionStructure)

    41     : BooleanObject(structure)

    42 {

    43     setInternalValue(jsBoolean(false));

    44 

    45     putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, prototypeFunctionStructure, 0, exec->propertyNames().toString, booleanProtoFuncToString), DontEnum);

    46     putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, prototypeFunctionStructure, 0, exec->propertyNames().valueOf, booleanProtoFuncValueOf), DontEnum);

    47 }

    48 

    49 

    50 // ------------------------------ Functions --------------------------

    51 

    52 // ECMA 15.6.4.2 + 15.6.4.3

    53 

    54 JSValue JSC_HOST_CALL booleanProtoFuncToString(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)

    55 {

    56     if (thisValue == jsBoolean(false))

    57         return jsNontrivialString(exec, "false");

    58 

    59     if (thisValue == jsBoolean(true))

    60         return jsNontrivialString(exec, "true");

    61 

    62     if (!thisValue.inherits(&BooleanObject::info))

    63         return throwError(exec, TypeError);

    64 

    65     if (asBooleanObject(thisValue)->internalValue() == jsBoolean(false))

    66         return jsNontrivialString(exec, "false");

    67 

    68     ASSERT(asBooleanObject(thisValue)->internalValue() == jsBoolean(true));

    69     return jsNontrivialString(exec, "true");

    70 }

    71 

    72 JSValue JSC_HOST_CALL booleanProtoFuncValueOf(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)

    73 {

    74     if (thisValue.isBoolean())

    75         return thisValue;

    76 

    77     if (!thisValue.inherits(&BooleanObject::info))

    78         return throwError(exec, TypeError);

    79 

    80     return asBooleanObject(thisValue)->internalValue();

    81 }

    82 

    83 } // namespace JSC