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/*******************************************************************************
* Copyright (c) 2000, 2015 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
*
* Contributors:
* QNX Software Systems - Initial API and implementation
* Red Hat Inc. - Refactor name
*******************************************************************************/
package org.eclipse.cdt.internal.autotools.ui.editors.automake;
import org.eclipse.cdt.make.core.makefile.gnu.IVariableDefinition;
/**
*/
public class GNUVariableDef extends MacroDefinition implements IVariableDefinition {
/**
* ? is Conditional
* : is Simply-expanded
* + is append
* 0 is recursively-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 GNUVariableDef(Directive parent, String name, StringBuffer value) {
this(parent, name, value, TYPE_RECURSIVE_EXPAND);
}
public GNUVariableDef(Directive parent, String name, StringBuffer value, int type) {
this(parent, "", name, value, type); //$NON-NLS-1$
}
public GNUVariableDef(Directive parent, String target, String name, StringBuffer value, int type) {
super(parent, name, value);
varTarget = target;
this.type = type;
}
@Override
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();
}
@Override
public boolean isRecursivelyExpanded() {
return type == TYPE_RECURSIVE_EXPAND;
}
@Override
public boolean isSimplyExpanded() {
return type == TYPE_SIMPLE_EXPAND;
}
@Override
public boolean isConditional() {
return type == TYPE_CONDITIONAL;
}
@Override
public boolean isAppend() {
return type == TYPE_APPEND;
}
@Override
public boolean isTargetSpecific() {
String t = getTarget();
return t != null && t.length() > 0;
}
@Override
public boolean isExport() {
return false;
}
@Override
public boolean isMultiLine() {
return false;
}
/**
* Variable from an `override' directive.
*/
@Override
public boolean isOverride() {
return false;
}
/**
* Automatic variable -- cannot be set.
*/
@Override
public boolean isAutomatic() {
return false;
}
@Override
public String getTarget() {
return varTarget;
}
}
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