public string Build()
{
GlobalVariables.Clear();
Main.Content = "";
StringBuilder result = new StringBuilder("#version " + Version + "\r\n");
#region prepare data
VertexPositionBuilder.Build();
VertexNormalBuilder.Build();
Main.Build();
#endregion prepare data
// Add global variables.
foreach (var gVar in GlobalVariables)
{
result.Append(gVar.ToString() + ";");
}
// Add Main function.
result.Append(Main.Result);
// return result
return(result.ToString());
}
//starts the program
public void Start()
{
builtInFunctions.Clear();
CallStack.Clear();
GlobalVariables.Clear();
CallStack.Push(new FunctionFrame("MAINSTRUCTURE"));
(new StandardLibrary()).Install(ref builtInFunctions, this);
(new MathLibrary()).Install(ref builtInFunctions, this);
(new Linq()).Install(ref builtInFunctions, this);
winInterop.Install(ref builtInFunctions, this);
debugger.Install(ref builtInFunctions, this);
builtInFunctions.Add("invoke", InvokeUserFunction);
GlobalVariables["null"] = Value.Null;
GlobalVariables["true"] = Value.True;
GlobalVariables["false"] = Value.False;
GlobalVariables["endl"] = new Value(Environment.NewLine);
GlobalVariables["doubleType"] = new Value("fastcode.types." + ValueType.Double);
GlobalVariables["stringType"] = new Value("fastcode.types." + ValueType.String);
GlobalVariables["arrayType"] = new Value("fastcode.types." + ValueType.Array);
GlobalVariables["charType"] = new Value("fastcode.types." + ValueType.Character);
GlobalVariables["nullType"] = new Value("fastcode.types." + ValueType.Null);
while (Exit == false) //program loop
{
while (lastToken == Token.Newline || lastToken == Token.Unkown)
{
keywordMarker = (Marker)lexer.Position.Clone();
ReadNextToken();
}
if (lastToken == Token.EndOfFile || CallStack.Count == 0)
{
Exit = true;
break;
}
ExecuteNextStatement(); //execute a statement
if (debugger.RequestDebugInterrupt)
{
debugger.StartDebugger(); //used to step next
}
//expect an EOF or \n at the end of a line
if (lastToken != Token.Newline && lastToken != Token.EndOfFile)
{
//error handling
throw new UnexpectedStatementException("a newline or EOF", lastToken.ToString());
}
}
}