/** An exception which can be thrown and caught by JavaScript code */
public class JSExn extends Exception {
+ private Vec backtrace = new Vec();
private Object js = null;
public JSExn(Object js) { this.js = js; }
- public String toString() { return "JSExn: " + js; }
+ public String toString() { return "JSExn: " + JS.toString(js); }
public String getMessage() { return toString(); }
public Object getObject() { return js; }
+ public void addBacktrace(String sourceName, int lineNo) { backtrace.addElement(sourceName + ":" + lineNo); }
+ public String backtrace() {
+ StringBuffer sb = new StringBuffer(1024);
+ for(int i=0;i<backtrace.size();i++)
+ sb.append(" at " + (String) backtrace.elementAt(i) + "\n");
+ return sb.toString();
+ }
}
/** should only be used for failed coercions */