1 package org.codehaus.groovy.control.messages; 2 3 import java.io.PrintWriter; 4 5 import org.codehaus.groovy.control.Janitor; 6 import org.codehaus.groovy.control.SourceUnit; 7 import org.codehaus.groovy.syntax.SyntaxException; 8 9 10 /*** 11 * A class for error messages produced by the parser system. 12 * 13 * @author <a href="mailto:cpoirier@dreaming.org">Chris Poirier</a> 14 * @version $Id: SyntaxErrorMessage.java,v 1.4 2005/06/10 09:55:30 cstein Exp $ 15 */ 16 17 public class SyntaxErrorMessage extends Message { 18 protected SyntaxException cause = null; 19 protected SourceUnit source; 20 21 public SyntaxErrorMessage(SyntaxException cause, SourceUnit source) { 22 this.cause = cause; 23 this.source = source; 24 } 25 26 27 /*** 28 * Returns the underlying SyntaxException. 29 */ 30 31 public SyntaxException getCause() { 32 return this.cause; 33 } 34 35 36 /*** 37 * Writes out a nicely formatted summary of the syntax error. 38 */ 39 40 public void write(PrintWriter output, Janitor janitor) { 41 String name = source.getName(); 42 int line = getCause().getStartLine(); 43 int column = getCause().getStartColumn(); 44 String sample = source.getSample(line, column, janitor); 45 46 output.print(name + ": " + line + ": " + getCause().getMessage()); 47 if (sample != null) { 48 output.println(); 49 output.print(sample); 50 output.println(); 51 } 52 } 53 54 55 } 56 57 58