internal void HandleLhs(ident i, BekTypes t, bool implicitdefine = false)
{
SymtabElt e;
if (TryGetElt(i.name, out e))
{
if (implicitdefine)
{
throw new BekParseException(i.line, i.pos, string.Format("'{0}' already defined", i.name));
}
if (e.type != t)
{
throw new BekParseException(i.line, i.pos, string.Format("'{0}' inconsistent type", i.name));
}
this.symtab[i] = e;
}
else if (implicitdefine)
{
e = new SymtabElt(i, t);
this.AddElt(i, e);
}
else
{
throw new BekParseException(i.line, i.pos, string.Format("'{0}' undefined", i.name));
}
}
internal void HandleLhs(ident i, BekTypes t, bool implicitdefine=false)
{
SymtabElt e;
if (TryGetElt(i.name, out e))
{
if (implicitdefine)
throw new BekParseException(i.line, i.pos, string.Format("'{0}' already defined", i.name));
if (e.type != t)
throw new BekParseException(i.line, i.pos, string.Format("'{0}' inconsistent type", i.name));
this.symtab[i] = e;
}
else if (implicitdefine)
{
e = new SymtabElt(i, t);
this.AddElt(i, e);
}
else
{
throw new BekParseException(i.line, i.pos, string.Format("'{0}' undefined", i.name));
}
}
internal SymtabElt AddElt(ident i, SymtabElt e)
{
this.names.Peek()[i.name] = e;
this.symtab[i] = e;
return e;
}
internal bool TryGetElt(string name, out SymtabElt e)
{
return this.names.Peek().TryGetValue(name, out e);
}
internal SymtabElt AddElt(ident i, SymtabElt e)
{
this.names.Peek()[i.name] = e;
this.symtab[i] = e;
return(e);
}
internal bool TryGetElt(string name, out SymtabElt e)
{
return(this.names.Peek().TryGetValue(name, out e));
}