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
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Rhino code, released
* May 6, 1999.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1997-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Igor Bukanov
* Roger Lawrence
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU General Public License Version 2 or later (the "GPL"), in which
* case the provisions of the GPL are applicable instead of those above. If
* you wish to allow use of your version of this file only under the terms of
* the GPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replacing
* them with the notice and other provisions required by the GPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the GPL.
*
* ***** END LICENSE BLOCK ***** */
package org.mozilla.javascript;
/**
*
* The class of error objects
*
* ECMA 15.11
*/
final class NativeError extends IdScriptableObject
{
static final long serialVersionUID = -5338413581437645187L;
private static final Object ERROR_TAG = new Object();
static void init(Scriptable scope, boolean sealed)
{
NativeError obj = new NativeError();
ScriptableObject.putProperty(obj, "name", "Error");
ScriptableObject.putProperty(obj, "message", "");
ScriptableObject.putProperty(obj, "fileName", "");
ScriptableObject.putProperty(obj, "lineNumber", new Integer(0));
obj.exportAsJSClass(MAX_PROTOTYPE_ID, scope, sealed);
}
static NativeError make(Context cx, Scriptable scope,
IdFunctionObject ctorObj, Object[] args)
{
Scriptable proto = (Scriptable)(ctorObj.get("prototype", ctorObj));
NativeError obj = new NativeError();
obj.setPrototype(proto);
obj.setParentScope(scope);
int arglen = args.length;
if (arglen >= 1) {
ScriptableObject.putProperty(obj, "message",
ScriptRuntime.toString(args[0]));
if (arglen >= 2) {
ScriptableObject.putProperty(obj, "fileName", args[1]);
if (arglen >= 3) {
int line = ScriptRuntime.toInt32(args[2]);
ScriptableObject.putProperty(obj, "lineNumber",
new Integer(line));
}
}
}
if(arglen < 3 && cx.hasFeature(Context.FEATURE_LOCATION_INFORMATION_IN_ERROR)) {
// Fill in fileName and lineNumber automatically when not specified
// explicitly, see Bugzilla issue #342807
int[] linep = new int[1];
String fileName = Context.getSourcePositionFromStack(linep);
ScriptableObject.putProperty(obj, "lineNumber",
new Integer(linep[0]));
if(arglen < 2) {
ScriptableObject.putProperty(obj, "fileName", fileName);
}
}
return obj;
}
public String getClassName()
{
return "Error";
}
public String toString()
{
return js_toString(this);
}
protected void initPrototypeId(int id)
{
String s;
int arity;
switch (id) {
case Id_constructor: arity=1; s="constructor"; break;
case Id_toString: arity=0; s="toString"; break;
case Id_toSource: arity=0; s="toSource"; break;
default: throw new IllegalArgumentException(String.valueOf(id));
}
initPrototypeMethod(ERROR_TAG, id, s, arity);
}
public Object execIdCall(IdFunctionObject f, Context cx, Scriptable scope,
Scriptable thisObj, Object[] args)
{
if (!f.hasTag(ERROR_TAG)) {
return super.execIdCall(f, cx, scope, thisObj, args);
}
int id = f.methodId();
switch (id) {
case Id_constructor:
return make(cx, scope, f, args);
case Id_toString:
return js_toString(thisObj);
case Id_toSource:
return js_toSource(cx, scope, thisObj);
}
throw new IllegalArgumentException(String.valueOf(id));
}
private static String js_toString(Scriptable thisObj)
{
return getString(thisObj, "name")+": "+getString(thisObj, "message");
}
private static String js_toSource(Context cx, Scriptable scope,
Scriptable thisObj)
{
// Emulation of SpiderMonkey behavior
Object name = ScriptableObject.getProperty(thisObj, "name");
Object message = ScriptableObject.getProperty(thisObj, "message");
Object fileName = ScriptableObject.getProperty(thisObj, "fileName");
Object lineNumber = ScriptableObject.getProperty(thisObj, "lineNumber");
StringBuffer sb = new StringBuffer();
sb.append("(new ");
if (name == NOT_FOUND) {
name = Undefined.instance;
}
sb.append(ScriptRuntime.toString(name));
sb.append("(");
if (message != NOT_FOUND
|| fileName != NOT_FOUND
|| lineNumber != NOT_FOUND)
{
if (message == NOT_FOUND) {
message = "";
}
sb.append(ScriptRuntime.uneval(cx, scope, message));
if (fileName != NOT_FOUND || lineNumber != NOT_FOUND) {
sb.append(", ");
if (fileName == NOT_FOUND) {
fileName = "";
}
sb.append(ScriptRuntime.uneval(cx, scope, fileName));
if (lineNumber != NOT_FOUND) {
int line = ScriptRuntime.toInt32(lineNumber);
if (line != 0) {
sb.append(", ");
sb.append(ScriptRuntime.toString(line));
}
}
}
}
sb.append("))");
return sb.toString();
}
private static String getString(Scriptable obj, String id)
{
Object value = ScriptableObject.getProperty(obj, id);
if (value == NOT_FOUND) return "";
return ScriptRuntime.toString(value);
}
protected int findPrototypeId(String s)
{
int id;
// #string_id_map#
// #generated# Last update: 2007-05-09 08:15:45 EDT
L0: { id = 0; String X = null; int c;
int s_length = s.length();
if (s_length==8) {
c=s.charAt(3);
if (c=='o') { X="toSource";id=Id_toSource; }
else if (c=='t') { X="toString";id=Id_toString; }
}
else if (s_length==11) { X="constructor";id=Id_constructor; }
if (X!=null && X!=s && !X.equals(s)) id = 0;
break L0;
}
// #/generated#
return id;
}
private static final int
Id_constructor = 1,
Id_toString = 2,
Id_toSource = 3,
MAX_PROTOTYPE_ID = 3;
// #/string_id_map#
}
|
