blob: 3d3e9f4a3546d9b353743a930f55a433417f6651 (
plain) (
blame)
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
|
/*******************************************************************************
* Copyright (c) 2008, 2012 IBM Wind River Systems, Inc. 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
*
* Contributors:
* Markus Schorn - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.c;
import org.eclipse.cdt.core.dom.ast.IASTDeclSpecifier;
import org.eclipse.cdt.core.dom.ast.IASTDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTParameterDeclaration;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.parser.util.ArrayUtil;
import org.eclipse.cdt.internal.core.dom.parser.ASTAmbiguousNode;
import org.eclipse.cdt.internal.core.dom.parser.IASTAmbiguousParameterDeclaration;
import org.eclipse.cdt.internal.core.dom.parser.IASTInternalScope;
import org.eclipse.core.runtime.Assert;
/**
* Handles ambiguities for parameter declarations.
* <br>
* void function(const D*); // is D a type?
* @since 5.0.1
*/
public class CASTAmbiguousParameterDeclaration extends ASTAmbiguousNode implements IASTAmbiguousParameterDeclaration {
private IASTParameterDeclaration[] paramDecls = new IASTParameterDeclaration[2];
private int declPos=-1;
public CASTAmbiguousParameterDeclaration(IASTParameterDeclaration... decls) {
for (IASTParameterDeclaration d : decls)
addParameterDeclaration(d);
}
@Override
public void addParameterDeclaration(IASTParameterDeclaration d) {
assertNotFrozen();
if (d != null) {
paramDecls = ArrayUtil.appendAt(IASTParameterDeclaration.class, paramDecls, ++declPos, d);
d.setParent(this);
d.setPropertyInParent(SUBDECLARATION);
}
}
@Override
protected void beforeResolution() {
// populate containing scope, so that it will not be affected by the alternative branches.
IScope scope= CVisitor.getContainingScope(this);
if (scope instanceof IASTInternalScope) {
((IASTInternalScope) scope).populateCache();
}
}
@Override
public IASTParameterDeclaration[] getParameterDeclarations() {
paramDecls = ArrayUtil.trimAt(IASTParameterDeclaration.class, paramDecls, declPos);
return paramDecls;
}
@Override
public IASTNode[] getNodes() {
return getParameterDeclarations();
}
@Override
public IASTDeclSpecifier getDeclSpecifier() {
return paramDecls[0].getDeclSpecifier();
}
@Override
public IASTDeclarator getDeclarator() {
return paramDecls[0].getDeclarator();
}
@Override
public void setDeclSpecifier(IASTDeclSpecifier declSpec) {
assertNotFrozen();
Assert.isLegal(false);
}
@Override
public void setDeclarator(IASTDeclarator declarator) {
assertNotFrozen();
Assert.isLegal(false);
}
@Override
public IASTParameterDeclaration copy() {
throw new UnsupportedOperationException();
}
@Override
public IASTParameterDeclaration copy(CopyStyle style) {
throw new UnsupportedOperationException();
}
}
|
