SourceRef.java

/*
  SourceRef.java

  (c) 2014 Ed Swartz

  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
 */
package v9t9.tools.asm;

/**
 * @author ejs
 *
 */
public class SourceRef {

	public String filename;
	public int lineno;
	public String line;
	
	public SourceRef from;

	public SourceRef(String filename, int lineno, String line) {
		this(filename, lineno, line, null);
	}
	public SourceRef(String filename, int lineno, String line, SourceRef from) {
		this.filename = filename;
		this.lineno = lineno;
		this.line = line;
		this.from = from;
	}


	@Override
	public String toString() {
		return filename + ":" + lineno + ": " + line;
	}
	public String format(String message) {
		StringBuilder sb = new StringBuilder();
		SourceRef ref = this;
		sb.append(message);
		while (ref != null) {
			sb.append("\n\tfrom "+ref.filename + ":" + ref.lineno);
			if (ref.line != null)
				sb.append(": " + ref.line);
			ref = ref.from;
		}
		return sb.toString();
	}
	
}