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
|
/*
* Copyright (c) 2013, 2014 QNX Software Systems and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.cdt.internal.qt.core.pdom;
import org.eclipse.cdt.core.dom.ast.IASTName;
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.core.runtime.CoreException;
@SuppressWarnings("restriction")
public abstract class QtPDOMBinding extends PDOMBinding {
// The offsetInitializer is initialized with the size of the parent. It is incremented
// during loading of the Fields enum. This value does not reliably store the size of
// the QtPDOMBinding record because the enum will not be initialized until it is needed.
// The record size is retrieved as the offset of the special terminal enumerator Last.
private static int offsetInitializer = RECORD_SIZE;
protected static enum Field {
Last(0);
public final int offset;
private Field(int sizeof) {
this.offset = offsetInitializer;
offsetInitializer += sizeof;
}
}
protected QtPDOMBinding(QtPDOMLinkage linkage, long record) {
super(linkage, record);
}
protected QtPDOMBinding(QtPDOMLinkage linkage, PDOMNode parent, IASTName qtName) throws CoreException {
super(linkage, parent, qtName.getSimpleID());
}
@Override
protected int getRecordSize() {
return Field.Last.offset;
}
protected QtPDOMLinkage getQtLinkage() {
PDOMLinkage pdomLinkage = getLinkage();
return pdomLinkage instanceof QtPDOMLinkage ? (QtPDOMLinkage) pdomLinkage : null;
}
// Access to the base class is restricted in the cdt.core plugin. Other classes in the qt.core
// plugin that need the qualified name get an access warning. This forwarding function moves
// those warnings to a single place (this method).
@Override
public String[] getQualifiedName() {
return super.getQualifiedName();
}
// Access to the base class is restricted in the cdt.core plugin. Other classes in the qt.core
// plugin that need the name get an access warning. This forwarding function moves those warnings
// to a single place (this method).
@Override
public String getName() {
return super.getName();
}
@Override
@SuppressWarnings({ "rawtypes", "unchecked" })
public Object getAdapter(Class adapter) {
if (adapter.isAssignableFrom(getClass()))
return this;
return super.getAdapter(adapter);
}
/**
* Returns a Long from the given offset within this node's record. The permitted range of the Long
* is [Long.MIN_VALUE, Long.MAX_VALUE). Notice that Long.MAX_VALUE is excluded from the valid range.
*/
protected Long getLongOrNull(long offset) throws CoreException {
long val = getDB().getLong(record + offset);
return val == Long.MAX_VALUE ? null : Long.valueOf(val);
}
/**
* Puts the given Long into the database at the specified offset within this node's record. The permitted
* range for val is [Long.MIN_VALUE, Long.MAX_VALUE). Notice that Long.MAX_VALUE is excluded from
* the valid range.
* <p>
* The val parameter is allowed to be null. A value will be stored to the database so that later calls to
* {@link #getLongOrNull(long)} will return null;
*/
protected void putLongOrNull(long offset, Long val) throws CoreException {
getDB().putLong(record + offset, val == null ? Long.MAX_VALUE : val.longValue());
}
/**
* Returns a String from the given offset within this node's record. This method will return null if the
* database does not contain an IString at the specified location.
*/
protected String getStringOrNull(long offset) throws CoreException {
long rec = getDB().getRecPtr(record + offset);
return rec == 0 ? null : getDB().getString(rec).getString();
}
/**
* Puts the given String into the database at the specified offset within this node's record. Any IString
* that happens to already exist at the specified location will be deleted before the new value is stored.
* <p>
* The val parameter is allowed to be null. A value will be stored to the database so that later calls to
* {@link #getStringOrNull(long)} will return null;
*/
protected void putStringOrNull(long offset, String val) throws CoreException {
long rec = getDB().getRecPtr(record + offset);
if (rec != 0)
getDB().getString(rec).delete();
getDB().putRecPtr(record + offset, val == null ? 0 : getDB().newString(val).getRecord());
}
}
|
