New draft for GNU Makefile

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

@@ -0,0 +1,49 @@
+/**********************************************************************
+ * 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.gnu;
+
+import org.eclipse.cdt.make.internal.core.makefile.MakefileUtil;
+import org.eclipse.cdt.make.internal.core.makefile.Statement;
+
+
+public class Define extends Statement {
+
+	String variable;
+
+	public Define(String line) {
+		parse(line);
+	}
+
+	public String toString() {
+		StringBuffer sb = new StringBuffer("define");
+		sb.append(' ').append(variable);
+		return sb.toString();
+	}
+
+	public String getVariable() {
+		return variable;
+	}
+
+	/**
+	 *  Format of the include directive:
+	 * 	export Variabe ...
+	 */
+	protected void parse(String line) {
+		line = line.trim();
+		for (int i = 0; i < line.length(); i++) {
+			if (MakefileUtil.isSpace(line.charAt(i))) {
+				line = line.substring(i).trim();
+				break;
+			}
+		}
+		variable = line;
+	}
+}

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

@@ -0,0 +1,25 @@
+/**********************************************************************
+ * 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.gnu;
+
+import org.eclipse.cdt.make.internal.core.makefile.Statement;
+
+
+public class Else extends Statement {
+
+
+	public Else() {
+	}
+
+	public String toString() {
+		return "else";
+	}
+}

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

@@ -0,0 +1,25 @@
+/**********************************************************************
+ * 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.gnu;
+
+import org.eclipse.cdt.make.internal.core.makefile.Statement;
+
+
+public class Endef extends Statement {
+
+
+	public Endef() {
+	}
+
+	public String toString() {
+		return "endef";
+	}
+}

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

@@ -0,0 +1,25 @@
+/**********************************************************************
+ * 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.gnu;
+
+import org.eclipse.cdt.make.internal.core.makefile.Statement;
+
+
+public class Endif extends Statement {
+
+
+	public Endif() {
+	}
+
+	public String toString() {
+		return "endif";
+	}
+}

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

@@ -0,0 +1,55 @@
+/**********************************************************************
+ * 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.gnu;
+
+import java.util.StringTokenizer;
+
+import org.eclipse.cdt.make.internal.core.makefile.Statement;
+
+public class Export extends Statement {
+
+	String variable;
+
+	public Export(String line) {
+		parse(line);
+	}
+
+	public String toString() {
+		StringBuffer sb = new StringBuffer("export");
+		sb.append(' ').append(variable);
+		return sb.toString();
+	}
+
+	public String getVariable() {
+		return variable;
+	}
+
+	/**
+	 *  Format of the include directive:
+	 * 	export Variabe ...
+	 */
+	protected void parse(String line) {
+		StringTokenizer st = new StringTokenizer(line);
+		int count = st.countTokens();
+		if (count > 0) {
+			for (int i = 0; i < count; i++) {
+				if (i == 0) {
+					// ignore the "export" keyword.
+					continue;
+				}
+				variable = st.nextToken();
+			}
+		}
+		if (variable == null) {
+			variable = new String();
+		}
+	}
+}

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

@@ -0,0 +1,43 @@
+/**********************************************************************
+ * 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.gnu;
+
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.Reader;
+
+import org.eclipse.cdt.make.core.makefile.IStatement;
+import org.eclipse.cdt.make.internal.core.makefile.MakefileReader;
+import org.eclipse.cdt.make.internal.core.makefile.posix.PosixMakefile;
+
+/**
+ * GNUMakefile
+ */
+public class GNUMakefile extends PosixMakefile {
+
+	public static String PATH_SEPARATOR = System.getProperty("path.separator", ":");
+
+	public GNUMakefile(String name) throws IOException {
+		this(new FileReader(name));
+	}
+
+	public GNUMakefile(Reader reader) throws IOException {
+		this(new MakefileReader(reader));
+	}
+
+	public GNUMakefile(MakefileReader reader) throws IOException {
+		super(reader);
+	}
+
+	protected IStatement processLine(String line, int startLine, int endLine) {
+		return null;
+	}
+}

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

@@ -0,0 +1,98 @@
+/**********************************************************************
+ * 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.gnu;
+
+/**
+ * GNUMakefile
+ */
+public class GNUMakefileUtil {
+
+	public static boolean isIncludeDirective(String line) {
+		line = line.trim();
+		boolean isInclude = line.startsWith("include") && line.length() > 7 && Character.isWhitespace(line.charAt(7));
+		boolean isDashInclude = line.startsWith("-include") && line.length() > 8 && Character.isWhitespace(line.charAt(8));
+		boolean isSInclude = line.startsWith("sinclude") && line.length() > 8 && Character.isWhitespace(line.charAt(8));
+		return isInclude || isDashInclude || isSInclude;
+	}
+
+	public static boolean isVPathDirective(String line) {
+		line = line.trim();
+		return line.equals("vpath") ||
+			line.startsWith("vpath") && line.length() > 5 && Character.isWhitespace(line.charAt(5));
+	}
+
+	public static boolean isExport(String line) {
+		line = line.trim();
+		return line.equals("export") ||
+			line.startsWith("export") && line.length() > 6 && Character.isWhitespace(line.charAt(6));
+	}
+
+	public static boolean isUnExport(String line) {
+		line = line.trim();
+		return line.equals("unexport") ||
+			line.startsWith("unexport") && line.length() > 8 && Character.isWhitespace(line.charAt(8));
+	}
+
+	public static boolean isDefine(String line) {
+		line = line.trim();
+		return line.equals("define") ||
+			line.startsWith("define") && line.length() > 6 && Character.isWhitespace(line.charAt(6));
+	}
+
+	public static boolean isEndef(String line) {
+		line = line.trim();
+		return line.equals("endef") ||
+			line.startsWith("endef") && line.length() > 5 && Character.isWhitespace(line.charAt(5));
+	}
+
+	public static boolean isOverride(String line) {
+		line = line.trim();
+		return line.equals("override") ||
+			line.startsWith("override") && line.length() > 8 && Character.isWhitespace(line.charAt(8));
+	}
+
+	public static boolean isIfeq(String line) {
+		line = line.trim();
+		return line.equals("ifeq") ||
+			line.startsWith("ifeq") && line.length() > 4 && Character.isWhitespace(line.charAt(4));
+	}
+
+	public static boolean isIfneq(String line) {
+		line = line.trim();
+		return line.equals("ifneq") ||
+			line.startsWith("ifneq") && line.length() > 5 && Character.isWhitespace(line.charAt(5));
+	}
+
+	public static boolean isIfdef(String line) {
+		line = line.trim();
+		return line.equals("ifdef") ||
+			line.startsWith("ifdef") && line.length() > 5 && Character.isWhitespace(line.charAt(5));
+	}
+
+	public static boolean isIfndef(String line) {
+		line = line.trim();
+		return line.equals("ifndef") ||
+			line.startsWith("ifndef") && line.length() > 5 && Character.isWhitespace(line.charAt(5));
+	}
+
+	public static boolean isElse(String line) {
+		line = line.trim();
+		return line.equals("else") ||
+			line.startsWith("else") && line.length() > 4 && Character.isWhitespace(line.charAt(4));
+	}
+
+	public static boolean isEndif(String line) {
+		line = line.trim();
+		return line.equals("endif") ||
+			line.startsWith("endif") && line.length() > 5 && Character.isWhitespace(line.charAt(5));
+	}
+
+}

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

@@ -0,0 +1,49 @@
+/**********************************************************************
+ * 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.gnu;
+
+import org.eclipse.cdt.make.internal.core.makefile.MakefileUtil;
+import org.eclipse.cdt.make.internal.core.makefile.Statement;
+
+
+public class Ifdef extends Statement {
+
+	String variable;
+
+	public Ifdef(String line) {
+		parse(line);
+	}
+
+	public String toString() {
+		StringBuffer sb = new StringBuffer("ifdef");
+		sb.append(' ').append(variable);
+		return sb.toString();
+	}
+
+	public String getVariable() {
+		return variable;
+	}
+
+	/**
+	 *  Format of the include directive:
+	 * 	ifeq condional-directive
+	 */
+	protected void parse(String line) {
+		line = line.trim();
+		for (int i = 0; i < line.length(); i++) {
+			if (MakefileUtil.isSpace(line.charAt(i))) {
+				line = line.substring(i).trim();
+				break;
+			}
+		}
+		variable = line;
+	}
+}

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

@@ -0,0 +1,50 @@
+/**********************************************************************
+ * 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.gnu;
+
+import org.eclipse.cdt.make.internal.core.makefile.MakefileUtil;
+import org.eclipse.cdt.make.internal.core.makefile.Statement;
+
+
+public class Ifeq extends Statement {
+
+	String conditional;
+
+	public Ifeq(String line) {
+		parse(line);
+	}
+
+	public String toString() {
+		StringBuffer sb = new StringBuffer("ifeq");
+		sb.append(' ').append(conditional);
+		return sb.toString();
+	}
+
+	public String getConditional() {
+		return conditional;
+	}
+
+	/**
+	 *  Format of the include directive:
+	 * 	ifeq condional-directive
+	 */
+	protected void parse(String line) {
+		line = line.trim();
+		for (int i = 0; i < line.length(); i++) {
+			if (MakefileUtil.isSpace(line.charAt(i))) {
+				line = line.substring(i).trim();
+				break;
+			}
+		}
+
+		conditional = line;
+	}
+}

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

@@ -0,0 +1,49 @@
+/**********************************************************************
+ * 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.gnu;
+
+import org.eclipse.cdt.make.internal.core.makefile.MakefileUtil;
+import org.eclipse.cdt.make.internal.core.makefile.Statement;
+
+
+public class Ifndef extends Statement {
+
+	String variable;
+
+	public Ifndef(String line) {
+		parse(line);
+	}
+
+	public String toString() {
+		StringBuffer sb = new StringBuffer("ifndef");
+		sb.append(' ').append(variable);
+		return sb.toString();
+	}
+
+	public String getVariable() {
+		return variable;
+	}
+
+	/**
+	 *  Format of the include directive:
+	 * 	ifeq condional-directive
+	 */
+	protected void parse(String line) {
+		line = line.trim();
+		for (int i = 0; i < line.length(); i++) {
+			if (MakefileUtil.isSpace(line.charAt(i))) {
+				line = line.substring(i).trim();
+				break;
+			}
+		}
+		variable = line;
+	}
+}

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

@@ -0,0 +1,49 @@
+/**********************************************************************
+ * 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.gnu;
+
+import org.eclipse.cdt.make.internal.core.makefile.MakefileUtil;
+import org.eclipse.cdt.make.internal.core.makefile.Statement;
+
+
+public class Ifneq extends Statement {
+
+	String conditional;
+
+	public Ifneq(String line) {
+		parse(line);
+	}
+
+	public String toString() {
+		StringBuffer sb = new StringBuffer("ifneq");
+		sb.append(' ').append(conditional);
+		return sb.toString();
+	}
+
+	public String getConditional() {
+		return conditional;
+	}
+
+	/**
+	 *  Format of the include directive:
+	 * 	ifeq condional-directive
+	 */
+	protected void parse(String line) {
+		line = line.trim();
+		for (int i = 0; i < line.length(); i++) {
+			if (MakefileUtil.isSpace(line.charAt(i))) {
+				line = line.substring(i).trim();
+				break;
+			}
+		}
+		conditional = line;
+	}
+}

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

@@ -0,0 +1,57 @@
+/**********************************************************************
+ * 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.gnu;
+
+import java.util.StringTokenizer;
+
+import org.eclipse.cdt.make.internal.core.makefile.Statement;
+
+public class Include extends Statement {
+
+	String[] filenames;
+
+	public Include(String line) {
+		parse(line);
+	}
+
+	public String toString() {
+		StringBuffer sb = new StringBuffer("include");
+		for (int i = 0; i < filenames.length; i++) {
+			sb.append(' ').append(filenames[i]);
+		}
+		return sb.toString();
+	}
+
+	public String[] getFilenames() {
+		return filenames;
+	}
+
+	/**
+	 *  Format of the include directive:
+	 * 	include filename1 filename2 ...
+	 */
+	protected void parse(String line) {
+		StringTokenizer st = new StringTokenizer(line);
+		int count = st.countTokens();
+		if (count > 0) {
+			filenames = new String[count - 1];
+			for (int i = 0; i < count; i++) {
+				if (i == 0) {
+					// ignore the "include" keyword.
+					continue;
+				}
+				filenames[i] = st.nextToken();
+			}
+		} else {
+			filenames = new String[0];
+		}
+	}
+}

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

@@ -0,0 +1,54 @@
+/**********************************************************************
+ * 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.gnu;
+
+import org.eclipse.cdt.make.internal.core.makefile.MakefileUtil;
+import org.eclipse.cdt.make.internal.core.makefile.Statement;
+
+
+public class Override extends Statement {
+
+	String variable;
+
+	public Override(String line) {
+		parse(line);
+	}
+
+	public String toString() {
+		StringBuffer sb = new StringBuffer("override");
+		sb.append(' ').append(variable);
+		return sb.toString();
+	}
+
+	public String getVariable() {
+		return variable;
+	}
+
+	/**
+	 *  Format:
+	 * 	override VARIABLE := VALUE
+	 */
+	protected void parse(String line) {
+		int i = 0;
+		line = line.trim();
+		for (; i < line.length(); i++) {
+			if (MakefileUtil.isSpace(line.charAt(i))) {
+				break;
+			}
+		}
+
+		if (i < line.length()) {
+			variable = line.substring(i).trim();
+		} else {
+			variable = new String();
+		}
+	}
+}

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

@@ -0,0 +1,60 @@
+/**********************************************************************
+ * 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.gnu;
+
+import org.eclipse.cdt.make.internal.core.makefile.MakefileUtil;
+import org.eclipse.cdt.make.internal.core.makefile.Statement;
+
+
+public class OverrideDefine extends Statement {
+
+	String variable;
+
+	public OverrideDefine(String line) {
+		parse(line);
+	}
+
+	public String toString() {
+		StringBuffer sb = new StringBuffer("override define");
+		sb.append(' ').append(variable);
+		return sb.toString();
+	}
+
+	public String getVariable() {
+		return variable;
+	}
+
+	/**
+	 *  Format:
+	 * 	override define VARIABLE
+	 */
+	protected void parse(String line) {
+		line = line.trim();
+
+		// Pass over "override"
+		for (int i = 0; i < line.length(); i++) {
+			if (MakefileUtil.isSpace(line.charAt(i))) {
+				line = line.substring(i).trim();
+				break;
+			}
+		}
+
+		// Pass over "define"
+		for (int i = 0; i < line.length(); i++) {
+			if (MakefileUtil.isSpace(line.charAt(i))) {
+				line = line.substring(i).trim();
+				break;
+			}
+		}
+
+		variable = line;
+	}
+}

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

@@ -0,0 +1,55 @@
+/**********************************************************************
+ * 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.gnu;
+
+import java.util.StringTokenizer;
+
+import org.eclipse.cdt.make.internal.core.makefile.Statement;
+
+public class UnExport extends Statement {
+
+	String variable;
+
+	public UnExport(String line) {
+		parse(line);
+	}
+
+	public String toString() {
+		StringBuffer sb = new StringBuffer("unexport");
+		sb.append(' ').append(variable);
+		return sb.toString();
+	}
+
+	public String getVariable() {
+		return variable;
+	}
+
+	/**
+	 *  Format of the include directive:
+	 * 	export Variabe ...
+	 */
+	protected void parse(String line) {
+		StringTokenizer st = new StringTokenizer(line);
+		int count = st.countTokens();
+		if (count > 0) {
+			for (int i = 0; i < count; i++) {
+				if (i == 0) {
+					// ignore the "unexport" keyword.
+					continue;
+				}
+				variable = st.nextToken();
+			}
+		}
+		if (variable == null) {
+			variable = new String();
+		}
+	}
+}

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

@@ -0,0 +1,86 @@
+/**********************************************************************
+ * 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.gnu;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.StringTokenizer;
+
+import org.eclipse.cdt.make.internal.core.makefile.Statement;
+
+public class VPath extends Statement {
+
+	String pattern;
+	String[] directories;
+
+	public VPath(String line) {
+		parse(line);
+	}
+
+	public String toString() {
+		StringBuffer sb = new StringBuffer("vpath");
+		if (pattern != null && pattern.length() > 0) {
+			sb.append(' ').append(pattern);
+		}
+		for (int i = 0; i < directories.length; i++) {
+			sb.append(' ').append(directories[i]);
+		}
+		return sb.toString();
+	}
+
+	public String[] getDirectories() {
+		return directories;
+	}
+
+	public String getPattern() {
+		return pattern;
+	}
+
+	/**
+	 * There are three forms of the "vpath" directive:
+	 *	"vpath PATTERN DIRECTORIES"
+	 * Specify the search path DIRECTORIES for file names that match PATTERN.
+	 * 
+	 * The search path, DIRECTORIES, is a list of directories to be
+	 * searched, separated by colons (semi-colons on MS-DOS and
+	 * MS-Windows) or blanks, just like the search path used in the `VPATH' variable.
+	 * 
+	 *	"vpath PATTERN"
+	 * Clear out the search path associated with PATTERN.
+	 * 
+	 *	"vpath"
+	 * Clear all search paths previously specified with `vpath' directives.
+	 */
+	protected void parse(String line) {
+		StringTokenizer st = new StringTokenizer(line);
+		int count = st.countTokens();
+		List dirs = new ArrayList(count);
+		if (count > 0) {
+			for (int i = 0; i < count; i++) {
+				if (count == 0) {
+					// ignore the "vpath" directive
+					st.nextToken();
+				} else if (count == 1) {
+					pattern = st.nextToken();
+				} else if (count == 3) {
+					String delim =  " \t\n\r\f" + GNUMakefile.PATH_SEPARATOR;
+					dirs.add(st.nextToken(delim));
+				} else {
+					dirs.add(st.nextToken());
+				}
+			}
+		}
+		directories = (String[]) dirs.toArray(new String[0]);
+		if (pattern == null) {
+			pattern = new String();
+		}
+	}
+}