public IScript Compile(String scriptCode, String name)
{
Stack stack = new Stack();
//System.Diagnostics.Debugger.Launch();
XDocument script = XDocument.Parse(scriptCode.Trim());
m_entryPoint = -1;
m_currentProgramCode = new MemoryStream();
m_parameterSequence = new ParameterSequence();
XElement root = script.Element("Root");
if (root == null)
{
root = script.Element("root");
if (root == null)
{
throw new Exception("Error. Script must contain a root node.");
}
}
foreach (XElement node in root.Elements())
{
bool isMain = false;
if (node.Name.LocalName == "Main" || node.Name.LocalName == "main")
{
// scripts starts here
m_entryPoint = (int)m_currentProgramCode.Position;
// push all attributes to the parameter sequencer (so the script can run with default parameters)
ParameterSequenceBuilder sequenceBuilder = new ParameterSequenceBuilder();
sequenceBuilder.createSequence();
foreach (XAttribute attr in node.Attributes())
{
sequenceBuilder.addParameter(new StringParameter(attr.Name.ToString(), attr.Value));
}
m_parameterSequence = sequenceBuilder.CurrentSequence;
stack = new Stack(m_parameterSequence.getMemStream());
isMain = true;
}
// add node as a function
else
{
//m_dataTable.Data.Add(node.Name.LocalName, (int)m_currentProgramCode.Position);
m_functionTable.add(node.Name.LocalName, (int)m_currentProgramCode.Position);
isMain = false;
}
compileRoutine(node, isMain,stack);
}
// end of program
m_currentProgramCode.Writer.Write((int)XmlScriptExecutor.OpCode.HALT);
XmlScriptCompiled compiledScript = new XmlScriptCompiled(scriptCode);
compiledScript.Name = name;
compiledScript.ProgramCode = m_currentProgramCode;
compiledScript.EntryPoint = m_entryPoint;
compiledScript.ParameterSequence = m_parameterSequence;
if (m_entryPoint == -1)
{
throw new Exception("Error no entrypoint for script: " + name);
}
return compiledScript;
}
public void beginElement(String elementType)
{
if (m_activeElement != null)
{
throw new Exception("Error. New Element created before old one was finished.");
}
m_activeElementType = m_registeredTypes[elementType];
m_activeSequence = m_registeredSequences[m_activeElementType];
m_activeSequence.reset();
}
public void createSequence()
{
m_currentSequence = new ParameterSequence();
m_currentSequence.ParameterStack.Push(m_currentSequence.Root);
}
public void registerElement(IConstructor constructor, ParameterSequence parameterSequence, Type elementType, String elementName, List<ParameterSequence> messages)
{
m_registeredElements[elementType] = constructor;
m_registeredSequences[elementType] = parameterSequence;
m_registeredTypes[elementName] = elementType;
if (messages != null && messages.Count > 0)
m_registeredMessages[elementType] = messages;
//m_registeredTypes[elementType.ToString()] = elementType;
}
