private static Expression ParseExpression(ScriptVariableTable scriptVariableTable, TokenStream stream)
{
Console.WriteLine("Parse expression needs to resolve any variable lookups");
Console.WriteLine("Parse expression also needs to work out the return type");
var expressionTokens = new List <InputToken>();
var currentToken = stream.PeekNext();
while ((int)currentToken.TokenType >= (int)SemanticTokenType.BeginExpressionTokens &&
(int)currentToken.TokenType <= (int)SemanticTokenType.EndExpressionTokens)
{
expressionTokens.Add(stream.Pop());
currentToken = stream.GetCurrent();
}
var rv = new Expression();
rv.Instructions = expressionParser.ConvertToReversePolishNotation(scriptVariableTable, expressionTokens);
return(rv);
}
// Parallel index?
// TODO Set the variables for the Program
public void LoadVariableTable(ScriptVariableTable variableTable)
{
// TODO initalize with copies instead of reference
programData.ScriptVariableTable = variableTable;
}
