/*
   * TODO: Doc
   */
public String parseId() throws SyntaxError {
    String value = parseArg();
    if (argWasQuoted()) {
      throw new SyntaxError("Expected identifier instead of quoted string:" + value);
    } else if (value == null) {
      throw new SyntaxError("Expected identifier instead of 'null' for function "  + sp);
    }
    return value;
  }
public String parseId() throws SyntaxError {
String value = parseArg();
if (argWasQuoted()) {
throw new SyntaxError("Expected identifier instead of quoted string:" + value);
} else if (value == null) {
throw new SyntaxError("Expected identifier instead of 'null' for function " + sp);
}
return value;
}
public String parseId() throws SyntaxError {
String value = parseArg();
if (argWasQuoted()) {
throw new SyntaxError("Expected identifier instead of quoted string:" + value);
} else if (value == null) {
throw new SyntaxError("Expected identifier instead of 'null' for function " + sp);
}
return value;
}
public String parseId() throws SyntaxError {
String value = parseArg();
if (argWasQuoted()) {
throw new SyntaxError("Expected identifier instead of quoted string:" + value);
} else if (value == null) {
throw new SyntaxError("Expected identifier instead of 'null' for function " + sp);
}
return value;
}