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
|
/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2011 Eric Lafortune (eric@graphics.cornell.edu)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program 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 General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package proguard.classfile.attribute.preverification;
/**
* This class provides methods to create and reuse IntegerType objects.
*
* @author Eric Lafortune
*/
public class VerificationTypeFactory
{
// Shared copies of Type objects, to avoid creating a lot of objects.
static final IntegerType INTEGER_TYPE = new IntegerType();
static final LongType LONG_TYPE = new LongType();
static final FloatType FLOAT_TYPE = new FloatType();
static final DoubleType DOUBLE_TYPE = new DoubleType();
static final TopType TOP_TYPE = new TopType();
static final NullType NULL_TYPE = new NullType();
static final UninitializedThisType UNINITIALIZED_THIS_TYPE = new UninitializedThisType();
/**
* Creates a new IntegerType.
*/
public static IntegerType createIntegerType()
{
return INTEGER_TYPE;
}
/**
* Creates a new LongType.
*/
public static LongType createLongType()
{
return LONG_TYPE;
}
/**
* Creates a new FloatType.
*/
public static FloatType createFloatType()
{
return FLOAT_TYPE;
}
/**
* Creates a new DoubleType.
*/
public static DoubleType createDoubleType()
{
return DOUBLE_TYPE;
}
/**
* Creates a new TopType.
*/
public static TopType createTopType()
{
return TOP_TYPE;
}
/**
* Creates a new NullType.
*/
public static NullType createNullType()
{
return NULL_TYPE;
}
/**
* Creates a new UninitializedThisType.
*/
public static UninitializedThisType createUninitializedThisType()
{
return UNINITIALIZED_THIS_TYPE;
}
/**
* Creates a new UninitializedType for an instance that was created at
* the given offset.
*/
public static UninitializedType createUninitializedType(int newInstructionOffset)
{
return new UninitializedType(newInstructionOffset);
}
/**
* Creates a new ObjectType of the given type.
*/
public static ObjectType createObjectType(int classIndex)
{
return new ObjectType(classIndex);
}
}
|