blob: 65a621308087f8b07e1382a5b76d632713c6ed92 (
plain)
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
|
/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.java.decompiler.struct.gen;
import org.jetbrains.java.decompiler.code.CodeConstants;
import org.jetbrains.java.decompiler.struct.StructMethod;
import org.jetbrains.java.decompiler.util.ListStack;
import java.util.ArrayList;
import java.util.List;
public class DataPoint {
private List<VarType> localVariables = new ArrayList<VarType>();
private ListStack<VarType> stack = new ListStack<VarType>();
public void setVariable(int index, VarType value) {
if (index >= localVariables.size()) {
for (int i = localVariables.size(); i <= index; i++) {
localVariables.add(new VarType(CodeConstants.TYPE_NOTINITIALIZED));
}
}
localVariables.set(index, value);
}
public VarType getVariable(int index) {
if (index < localVariables.size()) {
return localVariables.get(index);
}
else if (index < 0) {
throw new IndexOutOfBoundsException();
}
else {
return new VarType(CodeConstants.TYPE_NOTINITIALIZED);
}
}
public DataPoint copy() {
DataPoint point = new DataPoint();
point.setLocalVariables(new ArrayList<VarType>(localVariables));
point.setStack(stack.clone());
return point;
}
public static DataPoint getInitialDataPoint(StructMethod mt) {
DataPoint point = new DataPoint();
MethodDescriptor md = MethodDescriptor.parseDescriptor(mt.getDescriptor());
int k = 0;
if (!mt.hasModifier(CodeConstants.ACC_STATIC)) {
point.setVariable(k++, new VarType(CodeConstants.TYPE_OBJECT, 0, null));
}
for (int i = 0; i < md.params.length; i++) {
VarType var = md.params[i];
point.setVariable(k++, var);
if (var.stack_size == 2) {
point.setVariable(k++, new VarType(CodeConstants.TYPE_GROUP2EMPTY));
}
}
return point;
}
public List<VarType> getLocalVariables() {
return localVariables;
}
public void setLocalVariables(List<VarType> localVariables) {
this.localVariables = localVariables;
}
public ListStack<VarType> getStack() {
return stack;
}
public void setStack(ListStack<VarType> stack) {
this.stack = stack;
}
}
|
