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
|
/*
* Copyright © 2010-2011 Reinier Zwitserloot, Roel Spilker and Robbert Jan Grootjans.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.javac;
import java.util.Collections;
import java.util.IdentityHashMap;
import java.util.Iterator;
import java.util.Map;
import com.sun.source.tree.VariableTree;
import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
import com.sun.tools.javac.tree.TreeCopier;
import com.sun.tools.javac.tree.TreeMaker;
import com.sun.tools.javac.util.List;
public class TreeMirrorMaker extends TreeCopier<Void> {
private final IdentityHashMap<JCTree, JCTree> originalToCopy = new IdentityHashMap<JCTree, JCTree>();
public TreeMirrorMaker(TreeMaker maker) {
super(maker);
}
@Override public <T extends JCTree> T copy(T original) {
T copy = super.copy(original);
originalToCopy.put(original, copy);
return copy;
}
@Override public <T extends JCTree> T copy(T original, Void p) {
T copy = super.copy(original, p);
originalToCopy.put(original, copy);
return copy;
}
@Override public <T extends JCTree> List<T> copy(List<T> originals) {
List<T> copies = super.copy(originals);
if (originals != null) {
Iterator<T> it1 = originals.iterator();
Iterator<T> it2 = copies.iterator();
while (it1.hasNext()) originalToCopy.put(it1.next(), it2.next());
}
return copies;
}
@Override public <T extends JCTree> List<T> copy(List<T> originals, Void p) {
List<T> copies = super.copy(originals, p);
if (originals != null) {
Iterator<T> it1 = originals.iterator();
Iterator<T> it2 = copies.iterator();
while (it1.hasNext()) originalToCopy.put(it1.next(), it2.next());
}
return copies;
}
public Map<JCTree, JCTree> getOriginalToCopyMap() {
return Collections.unmodifiableMap(originalToCopy);
}
// Fix for NPE in HandleVal. See http://code.google.com/p/projectlombok/issues/detail?id=205
// Maybe this should be done elsewhere...
@Override public JCTree visitVariable(VariableTree node, Void p) {
JCVariableDecl copy = (JCVariableDecl) super.visitVariable(node, p);
copy.sym = ((JCVariableDecl) node).sym;
return copy;
}
}
|
