/** @brief Generates the signature for the class constructors */
private static void generateSignature(IndentWriter writer, IXMLElement constructor)
throws IOException {
assert (DebugMsg.debugMsg("ClassWriter", "Begin ClassWriter::generateSignature"));
writer.write("constructor(");
boolean comma = false;
for (Enumeration e = constructor.enumerateChildren(); e.hasMoreElements(); ) {
IXMLElement element = (IXMLElement) e.nextElement();
if (!element.getName().equals("arg")) {
break;
}
String argType = XMLUtil.typeOf(element);
String argName = XMLUtil.getAttribute(element, "name");
if (comma) {
writer.write(", ");
}
// Argument are structured as: <arg name="argName" type="argType"/>
if (argType.equals(NddlXmlStrings.x_int)) writer.write("int " + argName);
else if (argType.equals(NddlXmlStrings.x_float)) writer.write("double " + argName);
else if (argType.equals(NddlXmlStrings.x_boolean)) writer.write("bool " + argName);
else if (argType.equals(NddlXmlStrings.x_string)
|| argType.equals(NddlXmlStrings.x_symbol)
|| ModelAccessor.isEnumeration(argType)) writer.write("const LabelStr& " + argName);
else writer.write("const " + argType + "Id& " + argName);
comma = true;
}
writer.write(")");
assert (DebugMsg.debugMsg("ClassWriter", "End ClassWriter::generateSignature"));
}
/**
* Builds the argument invocation string for calling a constructor
*
* @param classVariables The collection of member variables as XMLElements
* @param constructorArguments The set of names for constructor arguments
* @param allocatedMemberVariables The set of member variables already allocated
* @param element The specific 'new' xml element
*/
private static String buildArguments(
Vector classVariables,
Set constructorArguments,
Set allocatedMemberVariables,
IXMLElement element)
throws IOException {
XMLUtil.checkExpectedNode("new", element);
boolean comma = false;
String arguments = "";
for (Enumeration e = element.enumerateChildren(); e.hasMoreElements(); ) {
IXMLElement argument = (IXMLElement) e.nextElement();
String argType = ModelAccessor.getValueType(argument);
String value = ModelAccessor.getValue(argument);
/* Exclude cases where we do nothing to the value */
if (!primitives.contains(argType) && !value.equals("true") && !value.equals("false")) {
// CASE 0: Translate 'this'
if (value.equalsIgnoreCase("this")) {
value = "m_id";
}
// CASE 1: It is a singleton member variable which must be mapped to the singleton
else if (allocatedMemberVariables.contains(value)) {
String singletonType = getVariableType(classVariables, value);
if (primitives.contains(singletonType)) {
value = "(" + singletonType + ") singleton(" + value + ")";
} else value = "singleton(" + value + ")";
}
// CASE 2: It is a constructor argument
else if (constructorArguments.contains(value)) { // Do nothing, just use the string as is.
}
// CASE 3: Test for error - using a member before initializing it
else if (!allocatedMemberVariables.contains(value) && isMember(classVariables, value)) {
value = "!ERROR: Cannot use " + value + " without prior initialization.";
}
// Otherwise it is a string or enumerataion
else if (argType.equals("string")
|| // It is an enumeartion of some kind
ModelAccessor.isEnumeration(argType)
|| argType.equals("symbol")) {
value = "LabelStr(\"" + XMLUtil.escapeQuotes(value) + "\")";
}
// If we fall through to here, there is an error.
else value = "!ERROR:BAD ASSIGNMENT";
}
// CASE 3: It is a true or false value
if (comma) arguments = arguments + ", ";
arguments = arguments + value;
comma = true;
}
return arguments;
}
private static String getVariableType(Vector classVariables, String name) {
String type = "!ERROR";
for (int i = 0; i < classVariables.size(); i++) {
IXMLElement variable = (IXMLElement) classVariables.elementAt(i);
if (XMLUtil.nameOf(variable).equals(name)) {
type = XMLUtil.getAttribute(variable, "type");
String _class = XMLUtil.getAttribute(variable.getParent(), "name");
if (ModelAccessor.isEnumeration(_class + "::" + type)) type = _class + "::" + type;
break;
}
}
return type;
}
private static String makeArgumentType(String argType) {
if (primitives.contains(argType)) return argType;
else if (argType.equals("string") || ModelAccessor.isEnumeration(argType)) return "LabelStr";
else return argType + "Id";
}