//For use with already-defined functions, like Console.WriteLine. Allows you to alias them for use inside the language.
public Function(String funcName, MethodInfo mi)
{
fns.Add(funcName, this);
this.mi = mi;
ec = new ExecutionContext(null);
var parInfos = mi.GetParameters();
Parameter[] pars = new Parameter[parInfos.Length];
for (int i = 0; i < pars.Length; i++)
pars[i] = new Parameter(parInfos[i].ParameterType, parInfos[i].Name);
ec.SetParameters(pars);
}
public Function(Identifier returnType, Identifier name, Sequence<Parameter> pars, Sequence<Statement> stmts)
{
Type[] tar = Parameter.ConvertSequenceToTypeArray(pars);
var mb = CodeGenerator.CreateFunction(name.Value, TypeChecker.ConvertStringToType(returnType.Value), tar);
mi = mb;
this.stmts = stmts;
if (fns.ContainsKey(name.Value))
{
throw new Exception("Function redeclared. Note: overloaded functions are not supported at this time.");
}
fns.Add(name.Value, this);
int count = 1; //parameters start at index 1 - 0 is the return. not sure on GetParameters() though - more testing is needed, but i don't think it includes the returntype as there is a separate way to get that
foreach (Parameter p in pars)
{
mb.DefineParameter(count++, ParameterAttributes.None, p.Name);
}
ec = new ExecutionContext(null);
ec.SetParameters(pars.ToArray());
}
