public override IResTerm Lookup(SourceRange range, Identifier name)
{
var memberNameGroupSpecs = _pipeline.LookupMembers(range, name).Reverse().ToArray();
if (memberNameGroupSpecs.Length == 0)
{
return(null);
}
IResTerm result = null;
foreach (var mngs in memberNameGroupSpecs)
{
var memberCategorySpecs = mngs.Categories.ToArray();
IResTerm term = null;
switch (memberCategorySpecs.Length)
{
case 0:
break;
case 1:
var thisRef = new ResVarRef(range, _thisParameter);
term = memberCategorySpecs[0].Bind(range, thisRef);
break;
default:
term = new ResOverloadedTerm(
range,
from mcs in memberCategorySpecs
let tr = new ResVarRef(range, _thisParameter)
select mcs.Bind(range, tr));
break;
}
if (term != null)
{
var oldResult = result;
result = new ResLayeredTerm(
term.Range,
term,
() => oldResult);
}
}
return(result);
}
private MidExp EmitExpImpl(ResVarRef resVarRef, MidEmitEnv env)
{
return(env.Lookup(resVarRef.Range, resVarRef.Decl));
}