bool_object.cpp
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00023 #include "value.h"
00024 #include "object.h"
00025 #include "types.h"
00026 #include "interpreter.h"
00027 #include "operations.h"
00028 #include "bool_object.h"
00029 #include "error_object.h"
00030 #include "lookup.h"
00031
00032 #include <assert.h>
00033
00034 using namespace KJS;
00035
00036
00037
00038 const ClassInfo BooleanInstanceImp::info = {"Boolean", 0, 0, 0};
00039
00040 BooleanInstanceImp::BooleanInstanceImp(ObjectImp *proto)
00041 : ObjectImp(proto)
00042 {
00043 }
00044
00045
00046
00047
00048
00049 BooleanPrototypeImp::BooleanPrototypeImp(ExecState *exec,
00050 ObjectPrototypeImp *objectProto,
00051 FunctionPrototypeImp *funcProto)
00052 : BooleanInstanceImp(objectProto)
00053 {
00054 Value protect(this);
00055
00056
00057 putDirect(toStringPropertyName,
00058 new BooleanProtoFuncImp(exec,funcProto,BooleanProtoFuncImp::ToString,0,toStringPropertyName), DontEnum);
00059 putDirect(valueOfPropertyName,
00060 new BooleanProtoFuncImp(exec,funcProto,BooleanProtoFuncImp::ValueOf,0,valueOfPropertyName), DontEnum);
00061 setInternalValue(Boolean(false));
00062 }
00063
00064
00065
00066
00067 BooleanProtoFuncImp::BooleanProtoFuncImp(ExecState *, FunctionPrototypeImp *funcProto,
00068 int i, int len, const Identifier &_ident)
00069 : InternalFunctionImp(funcProto), id(i)
00070 {
00071 Value protect(this);
00072 putDirect(lengthPropertyName, len, DontDelete|ReadOnly|DontEnum);
00073 ident = _ident;
00074 }
00075
00076
00077 bool BooleanProtoFuncImp::implementsCall() const
00078 {
00079 return true;
00080 }
00081
00082
00083
00084 Value BooleanProtoFuncImp::call(ExecState *exec, Object &thisObj, const List &)
00085 {
00086
00087 KJS_CHECK_THIS( BooleanInstanceImp, thisObj );
00088
00089
00090
00091 Value v = thisObj.internalValue();
00092 assert(v.isValid());
00093
00094 if (id == ToString)
00095 return String(v.toString(exec));
00096 else
00097 return Boolean(v.toBoolean(exec));
00098 }
00099
00100
00101
00102
00103 BooleanObjectImp::BooleanObjectImp(ExecState *, FunctionPrototypeImp *funcProto,
00104 BooleanPrototypeImp *booleanProto)
00105 : InternalFunctionImp(funcProto)
00106 {
00107 Value protect(this);
00108 putDirect(prototypePropertyName, booleanProto,DontEnum|DontDelete|ReadOnly);
00109
00110
00111 putDirect(lengthPropertyName, NumberImp::one(), ReadOnly|DontDelete|DontEnum);
00112 }
00113
00114
00115 bool BooleanObjectImp::implementsConstruct() const
00116 {
00117 return true;
00118 }
00119
00120
00121 Object BooleanObjectImp::construct(ExecState *exec, const List &args)
00122 {
00123 Object obj(new BooleanInstanceImp(exec->interpreter()->builtinBooleanPrototype().imp()));
00124
00125 Boolean b;
00126 if (args.size() > 0)
00127 b = args.begin()->dispatchToBoolean(exec);
00128 else
00129 b = Boolean(false);
00130
00131 obj.setInternalValue(b);
00132
00133 return obj;
00134 }
00135
00136 bool BooleanObjectImp::implementsCall() const
00137 {
00138 return true;
00139 }
00140
00141
00142 Value BooleanObjectImp::call(ExecState *exec, Object &, const List &args)
00143 {
00144 if (args.isEmpty())
00145 return Boolean(false);
00146 else
00147 return Boolean(args[0].toBoolean(exec));
00148 }
00149
This file is part of the documentation for kjs Library Version 3.2.2.
Documentation copyright © 1996-2004 the KDE developers.
Generated on Wed Apr 21 18:43:30 2004 by
doxygen 1.3.6-20040222 written by
Dimitri van Heesch, © 1997-2003