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
|
/*******************************************************************************
* Copyright (c) 2006, 2010 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Doug Schaefer (QNX) - Initial API and implementation
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.core.pdom.dom.cpp;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespaceAlias;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespaceScope;
import org.eclipse.cdt.internal.core.index.IIndexCPPBindingConstants;
import org.eclipse.cdt.internal.core.pdom.db.Database;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMNotImplementedError;
import org.eclipse.core.runtime.CoreException;
/**
* Binding for namespace alias
*/
class PDOMCPPNamespaceAlias extends PDOMCPPBinding implements ICPPNamespaceAlias {
private static final int NAMESPACE_BINDING = PDOMCPPBinding.RECORD_SIZE;
@SuppressWarnings("hiding")
protected static final int RECORD_SIZE = PDOMCPPBinding.RECORD_SIZE + Database.PTR_SIZE;
public PDOMCPPNamespaceAlias(PDOMLinkage linkage, PDOMNode parent, ICPPNamespaceAlias alias)
throws CoreException {
super(linkage, parent, alias.getNameCharArray());
setTargetBinding(parent.getLinkage(), alias.getBinding());
}
public PDOMCPPNamespaceAlias(PDOMLinkage linkage, long record) {
super(linkage, record);
}
@Override
public void update(final PDOMLinkage linkage, IBinding newBinding) throws CoreException {
if (newBinding instanceof ICPPNamespaceAlias) {
ICPPNamespaceAlias alias= (ICPPNamespaceAlias) newBinding;
IBinding newTarget= alias.getBinding();
setTargetBinding(linkage, newTarget);
}
}
private void setTargetBinding(PDOMLinkage linkage, IBinding target) throws CoreException {
PDOMBinding namespace = getLinkage().adaptBinding(target);
getDB().putRecPtr(record + NAMESPACE_BINDING,
namespace != null ? namespace.getRecord() : 0);
}
@Override
protected int getRecordSize() {
return RECORD_SIZE;
}
@Override
public int getNodeType() {
return IIndexCPPBindingConstants.CPPNAMESPACEALIAS;
}
public ICPPNamespaceScope getNamespaceScope() {
return getNamespaceScope(this, 20); // avoid an infinite loop.
}
private ICPPNamespaceScope getNamespaceScope(PDOMCPPNamespaceAlias alias, final int maxDepth) {
IBinding binding= alias.getBinding();
if (binding instanceof ICPPNamespaceScope) {
return (ICPPNamespaceScope) binding;
}
if (maxDepth <= 0) {
return null;
}
if (binding instanceof PDOMCPPNamespaceAlias) {
return getNamespaceScope((PDOMCPPNamespaceAlias) binding, maxDepth-1);
}
return null;
}
public IBinding[] getMemberBindings() {
throw new PDOMNotImplementedError();
}
public IBinding getBinding() {
try {
return (IBinding) getLinkage().getNode(getPDOM().getDB().getRecPtr(record + NAMESPACE_BINDING));
} catch(CoreException ce) {
CCorePlugin.log(ce);
}
return null;
}
public boolean isInline() {
return false;
}
}
|