build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/makefile/NullMakefile.java

/**********************************************************************
 * Copyright (c) 2002,2003 QNX Software Systems and others.
 * All rights reserved.   This program and the accompanying materials
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 *
 * Contributors:
 * QNX Software Systems - Initial API and implementation
***********************************************************************/
package org.eclipse.cdt.make.internal.core.makefile;

import java.io.IOException;
import java.io.Reader;

import org.eclipse.cdt.make.core.makefile.IDirective;

/**
 * Makefile : ( statement ) *
 * statement :   rule | macro_definition | comments | empty
 * rule :  inference_rule | target_rule
 * inference_rule : target ':' <nl> ( <tab> command <nl> ) +
 * target_rule : target [ ( target ) * ] ':' [ ( prerequisite ) * ] [ ';' command ] <nl> 
                 [ ( command ) * ]
 * macro_definition : string '=' (string)* 
 * comments : ('#' (string) <nl>) *
 * empty : <nl>
 * command : <tab> prefix_command string <nl>
 * target : string
 * prefix_command : '-' | '@' | '+'
 * internal_macro :  "$<" | "$*" | "$@" | "$?" | "$%" 
 */

public class NullMakefile extends AbstractMakefile {

	public static IDirective[] empty = new IDirective[0];

	public NullMakefile() {
		super(null);
	}

	public IDirective[] getDirectives() {
		return empty;
	}

	public IDirective[] getBuiltins() {
		return empty;
	}

	public void addDirective(IDirective directive) {
	}

	public String toString() {
		return new String();
	}

	/* (non-Javadoc)
	 * @see org.eclipse.cdt.make.core.makefile.IMakefile#parse(java.io.Reader)
	 */
	public void parse(Reader makefile) throws IOException {
	}

}