private ParameterDefinition initForm(final Form form) throws ParseException {
if (form.isNil()) {
error("NIL not allowed here", form);
}
List<SExpression> childs = form.getChildren();
if (childs.size() == 2) {
return simpleInit(form);
} else if (childs.size() == 3) {
return suppliedTestInit(form);
} else {
error("Parameter list must be of length 2 or 3", form);
return null; // wird nie erreicht
}
}
private void addKey(final ParameterDefinition key) {
if (fKey == null) {
fKey = new LinkedList<ParameterDefinition>();
}
fKey.add(key);
}
private void addAux(final ParameterDefinition aux) {
if (fAux == null) {
fAux = new LinkedList<ParameterDefinition>();
}
fAux.add(aux);
}
private void addOptional(final ParameterDefinition definition) {
if (fOptional == null) {
fOptional = new LinkedList<ParameterDefinition>();
}
fOptional.add(definition);
}
private void addRequired(final Symbol symbol) {
if (fRequired == null) {
fRequired = new LinkedList<RequiredParameterDefinition>();
}
fRequired.add(new RequiredParameterDefinition(symbol));
}
private void addRequired(final SExpression form) {
if (fRequired == null) {
fRequired = new LinkedList<RequiredParameterDefinition>();
}
fRequired.add(new RequiredParameterDefinition(form));
}