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
127
128
129
130
131
132
133
|
/*******************************************************************************
* Copyright (c) 2000, 2004 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:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.make.internal.core.makefile.gnu;
import org.eclipse.cdt.make.core.makefile.gnu.IVariableDefinition;
import org.eclipse.cdt.make.internal.core.makefile.Directive;
import org.eclipse.cdt.make.internal.core.makefile.MacroDefinition;
/**
*/
public class VariableDefinition extends MacroDefinition implements IVariableDefinition {
/**
* ? is Conditional
* : is Simply-expanded
* + is append
* 0 is recusively-expanded.
*/
final static int TYPE_RECURSIVE_EXPAND = 0;
final static int TYPE_SIMPLE_EXPAND = ':';
final static int TYPE_CONDITIONAL = '?';
final static int TYPE_APPEND = '+';
int type;
String varTarget;
public VariableDefinition(Directive parent, String name, StringBuffer value) {
this(parent, name, value, TYPE_RECURSIVE_EXPAND);
}
public VariableDefinition(Directive parent, String name, StringBuffer value, int type) {
this(parent, "", name, value, type); //$NON-NLS-1$
}
public VariableDefinition(Directive parent, String target, String name, StringBuffer value, int type) {
super(parent, name, value);
varTarget = target;
this.type = type;
}
/**
* @see java.lang.Object#toString()
*/
public String toString() {
StringBuffer sb = new StringBuffer();
if (isTargetSpecific()) {
sb.append(getTarget()).append(": "); //$NON-NLS-1$
}
if (isOverride()) {
sb.append(GNUMakefileConstants.VARIABLE_OVERRIDE);
}
if (isMultiLine()) {
sb.append(GNUMakefileConstants.VARIABLE_DEFINE);
sb.append(' ');
sb.append(getName()).append('\n');
sb.append(getValue()).append('\n');
sb.append(GNUMakefileConstants.TERMINAL_ENDEF);
sb.append('\n');
} else {
if (isExport()) {
sb.append(GNUMakefileConstants.VARIABLE_EXPORT);
sb.append(' ');
}
sb.append(getName());
if (isRecursivelyExpanded()) {
sb.append(" = "); //$NON-NLS-1$
} else if (isSimplyExpanded()) {
sb.append(" := "); //$NON-NLS-1$
} else if (isConditional()) {
sb.append(" ?= "); //$NON-NLS-1$
} else if (isAppend()) {
sb.append(" += "); //$NON-NLS-1$
}
sb.append(getValue()).append('\n');
}
return sb.toString();
}
public boolean isRecursivelyExpanded() {
return type == TYPE_RECURSIVE_EXPAND;
}
public boolean isSimplyExpanded() {
return type == TYPE_SIMPLE_EXPAND;
}
public boolean isConditional() {
return type == TYPE_CONDITIONAL;
}
public boolean isAppend() {
return type == TYPE_APPEND;
}
public boolean isTargetSpecific() {
String t = getTarget();
return t != null && t.length() > 0;
}
public boolean isExport() {
return false;
}
public boolean isMultiLine() {
return false;
}
/**
* Variable from an `override' directive.
*/
public boolean isOverride() {
return false;
}
/**
* Automatic variable -- cannot be set.
*/
public boolean isAutomatic() {
return false;
}
public String getTarget() {
return varTarget;
}
}
|
