1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
/*
* This file is part of the KDE libraries
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
* Copyright (C) 2003 Apple Computer, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "value.h"
#include "object.h"
#include "types.h"
#include "interpreter.h"
#include "operations.h"
#include "error_object.h"
//#include "debugger.h"
using namespace KJS;
// ------------------------------ ErrorInstanceImp ----------------------------
const ClassInfo ErrorInstanceImp::info = {"Error", 0, 0, 0};
ErrorInstanceImp::ErrorInstanceImp(ObjectImp *proto)
: ObjectImp(proto)
{
}
// ------------------------------ ErrorPrototypeImp ----------------------------
// ECMA 15.9.4
ErrorPrototypeImp::ErrorPrototypeImp(ExecState *exec,
ObjectPrototypeImp *objectProto,
FunctionPrototypeImp *funcProto)
: ObjectImp(objectProto)
{
Value protect(this);
setInternalValue(Undefined());
// The constructor will be added later in ErrorObjectImp's constructor
put(exec, namePropertyName, String("Error"), DontEnum);
put(exec, messagePropertyName, String("Unknown error"), DontEnum);
putDirect(toStringPropertyName, new ErrorProtoFuncImp(exec,funcProto), DontEnum);
}
// ------------------------------ ErrorProtoFuncImp ----------------------------
ErrorProtoFuncImp::ErrorProtoFuncImp(ExecState * /*exec*/, FunctionPrototypeImp *funcProto)
: InternalFunctionImp(funcProto)
{
Value protect(this);
putDirect(lengthPropertyName, NumberImp::zero(), DontDelete|ReadOnly|DontEnum);
ident = "toString";
}
bool ErrorProtoFuncImp::implementsCall() const
{
return true;
}
Value ErrorProtoFuncImp::call(ExecState *exec, Object &thisObj, const List &/*args*/)
{
// toString()
UString s = "Error";
Value v = thisObj.get(exec, namePropertyName);
if (v.type() != UndefinedType) {
s = v.toString(exec);
}
v = thisObj.get(exec, messagePropertyName);
if (v.type() != UndefinedType) {
s += ": " + v.toString(exec); // Mozilla compatible format
}
return String(s);
}
// ------------------------------ ErrorObjectImp -------------------------------
ErrorObjectImp::ErrorObjectImp(ExecState * /*exec*/, FunctionPrototypeImp *funcProto,
ErrorPrototypeImp *errorProto)
: InternalFunctionImp(funcProto)
{
Value protect(this);
// ECMA 15.11.3.1 Error.prototype
putDirect(prototypePropertyName, errorProto, DontEnum|DontDelete|ReadOnly);
putDirect(lengthPropertyName, NumberImp::one(), DontDelete|ReadOnly|DontEnum);
//putDirect(namePropertyName, String(n));
}
bool ErrorObjectImp::implementsConstruct() const
{
return true;
}
// ECMA 15.9.3
Object ErrorObjectImp::construct(ExecState *exec, const List &args)
{
Object proto = Object::dynamicCast(exec->lexicalInterpreter()->builtinErrorPrototype());
ObjectImp *imp = new ErrorInstanceImp(proto.imp());
Object obj(imp);
if (!args.isEmpty() && args[0].type() != UndefinedType) {
imp->putDirect(messagePropertyName, new StringImp(args[0].toString(exec)));
}
return obj;
}
bool ErrorObjectImp::implementsCall() const
{
return true;
}
// ECMA 15.9.2
Value ErrorObjectImp::call(ExecState *exec, Object &/*thisObj*/, const List &args)
{
// "Error()" gives the sames result as "new Error()"
return construct(exec,args);
}
// ------------------------------ NativeErrorPrototypeImp ----------------------
NativeErrorPrototypeImp::NativeErrorPrototypeImp(ExecState * /*exec*/, ErrorPrototypeImp *errorProto,
ErrorType et, UString name, UString message)
: ObjectImp(errorProto)
{
Value protect(this);
errType = et;
putDirect(namePropertyName, new StringImp(name), 0);
putDirect(messagePropertyName, new StringImp(message), 0);
}
// ------------------------------ NativeErrorImp -------------------------------
const ClassInfo NativeErrorImp::info = {"Function", &InternalFunctionImp::info, 0, 0};
NativeErrorImp::NativeErrorImp(ExecState * /*exec*/, FunctionPrototypeImp *funcProto,
const Object &prot)
: InternalFunctionImp(funcProto), proto(0)
{
Value protect(this);
proto = static_cast<ObjectImp*>(prot.imp());
putDirect(lengthPropertyName, NumberImp::one(), DontDelete|ReadOnly|DontEnum); // ECMA 15.11.7.5
putDirect(prototypePropertyName, proto, DontDelete|ReadOnly|DontEnum);
}
bool NativeErrorImp::implementsConstruct() const
{
return true;
}
Object NativeErrorImp::construct(ExecState *exec, const List &args)
{
ObjectImp *imp = new ErrorInstanceImp(proto);
Object obj(imp);
if (args[0].type() != UndefinedType)
imp->putDirect(messagePropertyName, new StringImp(args[0].toString(exec)));
return obj;
}
bool NativeErrorImp::implementsCall() const
{
return true;
}
Value NativeErrorImp::call(ExecState *exec, Object &/*thisObj*/, const List &args)
{
return construct(exec,args);
}
void NativeErrorImp::mark()
{
ObjectImp::mark();
if (proto && !proto->marked())
proto->mark();
}
|