/** Returns the source URL for the given script or function. */
private String getNormalizedUrl(DebuggableScript fnOrScript) {
String url = fnOrScript.getSourceName();
if (url == null) {
url = "<stdin>";
} else {
// Not to produce window for eval from different lines,
// strip line numbers, i.e. replace all #[0-9]+\(eval\) by
// (eval)
// Option: similar teatment for Function?
char evalSeparator = '#';
StringBuffer sb = null;
int urlLength = url.length();
int cursor = 0;
for (; ; ) {
int searchStart = url.indexOf(evalSeparator, cursor);
if (searchStart < 0) {
break;
}
String replace = null;
int i = searchStart + 1;
while (i != urlLength) {
int c = url.charAt(i);
if (!('0' <= c && c <= '9')) {
break;
}
++i;
}
if (i != searchStart + 1) {
// i points after #[0-9]+
if ("(eval)".regionMatches(0, url, i, 6)) {
cursor = i + 6;
replace = "(eval)";
}
}
if (replace == null) {
break;
}
if (sb == null) {
sb = new StringBuffer();
sb.append(url.substring(0, searchStart));
}
sb.append(replace);
}
if (sb != null) {
if (cursor != urlLength) {
sb.append(url.substring(cursor));
}
url = sb.toString();
}
}
return url;
}
