private static void EmitFunction(TypeBuilder tb, Function func)
{
LocalSym = new Dictionary<Variable, LocalBuilder>();
var actual = func.GetSpecifiedChildren<Variable>()
.Where(x => x.VarSemantics == VarType.Parameter)
.ToArray();
var methodBuilder = tb.DefineMethod(func.Name.Text, MethodAttributes.Public, GetType(func.ReturnType),
actual.Select(x => GetType(x.Type)).ToArray());
for (var i = 0; i < actual.Length; ++i)
methodBuilder.DefineParameter(i+1, ParameterAttributes.In, actual[i].Name.Text);
var il = methodBuilder.GetILGenerator();
foreach (var variable in func.GetSpecifiedChildren<Variable>()
.Where(x => x.VarSemantics == VarType.Variable)
.ToArray())
{
var a = il.DeclareLocal(GetType(variable.Type));
LocalSym.Add(variable, a);
}
EmitBody(methodBuilder, func.GetSpecifiedChildren<Body>().First());
il.Emit(OpCodes.Ret);
}