public static FinalizedResponse FuncName_AC(TokLinePlanB <PTok> orig_TL, TokLinePlanB <PTok> .CPosC CPos, MGRX.FuncNameNodeRX funcNameNodeRX, Responder RESP)
{
Func <PTokE, bool> ON = tokE => { var tok = CPos.insideof_tok; if (tok == null)
{
return(false);
}
return(tok.E == tokE); };
Func <PTokE, bool> LADJ = tokE => { var tok = CPos.immediateLAdj_tok; if (tok == null)
{
return(false);
}
return(tok.E == tokE); };
Func <TokLinePlanB <PTok>, PTokBase[]> SER = tokLine => tokLine.Serialize <PTokBase>(onTok: _ => _, onWS: i => new PTokWhitespace {
len = i
}).ToArray();
Type hosting_type;
try {
hosting_type = funcNameNodeRX.AC_FuncHostingType_Callback();
if (hosting_type == null)
{
throw new Exception("hosting type null");
}
} catch (Exception e) {
return(RESP.NoAC(e.Message));
}
string name_fragment;
if (LADJ(PTokE.CS_name))
{
name_fragment = CPos.immediateLAdj_tok.pay;
MethodInfo [] raw_suggs_MI = SGA.MethodAC(hosting_type, name_fragment, (funcNameNodeRX.parent as MG.FunCallNode).isStatic);
if (raw_suggs_MI.Length == 0)
{
return(RESP.NoAC("no matching alternatives"));
}
string new_prefix = SGA.LongestCommonPrefix(raw_suggs_MI.Select(mi => mi.Name).ToArray());
if (new_prefix.Length > name_fragment.Length)
{
PTok new_token = new PTok {
pay = new_prefix, E = PTokE.CS_name
};
orig_TL.ReplaceTok(CPos.immediateLAdj_tok, new_token);
var nu_Cpos = orig_TL.CPosAtEndOfTok(new_token);
return(RESP.FuncACWithSubst(raw_suggs_MI, SER(orig_TL), nu_Cpos.StringPos()));
}
else
{
return(RESP.FuncACNoSubst(raw_suggs_MI));
}
}
else if (LADJ(PTokE.OP_backslash))
{
// no check for whether the curser is under a CS_name token , like so
// [>> [_] :Tyname\Funcname]
// _
// in this case junk gets substituted left of `Funcname`
// idc rn - there are bigger fish to fry
MethodInfo [] raw_suggs_MI = SGA.MethodAC(hosting_type, "", (funcNameNodeRX.parent as MG.FunCallNode).isStatic);
if (raw_suggs_MI.Length == 0)
{
return(RESP.NoAC("no matching alternatives"));
}
string new_prefix = SGA.LongestCommonPrefix(raw_suggs_MI.Select(mi => mi.Name).ToArray());
if (new_prefix.Length > 0)
{
var nu_tok = new PTok {
E = PTokE.CS_name, pay = new_prefix
};
orig_TL.InsertTokAfterNode(CPos.N, nu_tok); // this is the precise behaviour of IsertAfterCPos when its not over whitespace
var nu_Cpos = orig_TL.CPosAtEndOfTok(nu_tok);
var nu_offs = nu_Cpos.StringPos();
return(RESP.FuncACWithSubst(raw_suggs_MI, SER(orig_TL), nu_offs));
}
else
{
return(RESP.FuncACNoSubst(raw_suggs_MI));
}
}
else
{
return(RESP.NoAC("useless position"));
}
// currrently only doing ON( CS_name )
}