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
|
/*
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
* Copyright (C) 2003, 2007, 2008 Apple Inc. All Rights Reserved.
*
* 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 "config.h"
#include "RegExpObject.h"
#include "Error.h"
#include "JSArray.h"
#include "JSGlobalObject.h"
#include "JSString.h"
#include "RegExpConstructor.h"
#include "RegExpPrototype.h"
namespace JSC {
static JSValue regExpObjectGlobal(ExecState*, const Identifier&, const PropertySlot&);
static JSValue regExpObjectIgnoreCase(ExecState*, const Identifier&, const PropertySlot&);
static JSValue regExpObjectMultiline(ExecState*, const Identifier&, const PropertySlot&);
static JSValue regExpObjectSource(ExecState*, const Identifier&, const PropertySlot&);
static JSValue regExpObjectLastIndex(ExecState*, const Identifier&, const PropertySlot&);
static void setRegExpObjectLastIndex(ExecState*, JSObject*, JSValue);
} // namespace JSC
#include "RegExpObject.lut.h"
namespace JSC {
ASSERT_CLASS_FITS_IN_CELL(RegExpObject);
const ClassInfo RegExpObject::info = { "RegExp", 0, 0, ExecState::regExpTable };
/* Source for RegExpObject.lut.h
@begin regExpTable
global regExpObjectGlobal DontDelete|ReadOnly|DontEnum
ignoreCase regExpObjectIgnoreCase DontDelete|ReadOnly|DontEnum
multiline regExpObjectMultiline DontDelete|ReadOnly|DontEnum
source regExpObjectSource DontDelete|ReadOnly|DontEnum
lastIndex regExpObjectLastIndex DontDelete|DontEnum
@end
*/
RegExpObject::RegExpObject(NonNullPassRefPtr<Structure> structure, NonNullPassRefPtr<RegExp> regExp)
: JSObject(structure)
, d(new RegExpObjectData(regExp, 0))
{
}
RegExpObject::~RegExpObject()
{
}
bool RegExpObject::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
{
return getStaticValueSlot<RegExpObject, JSObject>(exec, ExecState::regExpTable(exec), this, propertyName, slot);
}
bool RegExpObject::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
{
return getStaticValueDescriptor<RegExpObject, JSObject>(exec, ExecState::regExpTable(exec), this, propertyName, descriptor);
}
JSValue regExpObjectGlobal(ExecState*, const Identifier&, const PropertySlot& slot)
{
return jsBoolean(asRegExpObject(slot.slotBase())->regExp()->global());
}
JSValue regExpObjectIgnoreCase(ExecState*, const Identifier&, const PropertySlot& slot)
{
return jsBoolean(asRegExpObject(slot.slotBase())->regExp()->ignoreCase());
}
JSValue regExpObjectMultiline(ExecState*, const Identifier&, const PropertySlot& slot)
{
return jsBoolean(asRegExpObject(slot.slotBase())->regExp()->multiline());
}
JSValue regExpObjectSource(ExecState* exec, const Identifier&, const PropertySlot& slot)
{
return jsString(exec, asRegExpObject(slot.slotBase())->regExp()->pattern());
}
JSValue regExpObjectLastIndex(ExecState* exec, const Identifier&, const PropertySlot& slot)
{
return jsNumber(exec, asRegExpObject(slot.slotBase())->lastIndex());
}
void RegExpObject::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)
{
lookupPut<RegExpObject, JSObject>(exec, propertyName, value, ExecState::regExpTable(exec), this, slot);
}
void setRegExpObjectLastIndex(ExecState* exec, JSObject* baseObject, JSValue value)
{
asRegExpObject(baseObject)->setLastIndex(value.toInteger(exec));
}
JSValue RegExpObject::test(ExecState* exec, const ArgList& args)
{
return jsBoolean(match(exec, args));
}
JSValue RegExpObject::exec(ExecState* exec, const ArgList& args)
{
if (match(exec, args))
return exec->lexicalGlobalObject()->regExpConstructor()->arrayOfMatches(exec);
return jsNull();
}
static JSValue JSC_HOST_CALL callRegExpObject(ExecState* exec, JSObject* function, JSValue, const ArgList& args)
{
return asRegExpObject(function)->exec(exec, args);
}
CallType RegExpObject::getCallData(CallData& callData)
{
callData.native.function = callRegExpObject;
return CallTypeHost;
}
// Shared implementation used by test and exec.
bool RegExpObject::match(ExecState* exec, const ArgList& args)
{
RegExpConstructor* regExpConstructor = exec->lexicalGlobalObject()->regExpConstructor();
UString input = args.isEmpty() ? regExpConstructor->input() : args.at(0).toString(exec);
if (input.isNull()) {
throwError(exec, GeneralError, "No input to " + toString(exec) + ".");
return false;
}
if (!regExp()->global()) {
int position;
int length;
regExpConstructor->performMatch(d->regExp.get(), input, 0, position, length);
return position >= 0;
}
if (d->lastIndex < 0 || d->lastIndex > input.size()) {
d->lastIndex = 0;
return false;
}
int position;
int length = 0;
regExpConstructor->performMatch(d->regExp.get(), input, static_cast<int>(d->lastIndex), position, length);
if (position < 0) {
d->lastIndex = 0;
return false;
}
d->lastIndex = position + length;
return true;
}
} // namespace JSC
|
