public Identifier(GeneralLanguageDef languageDef)
:
base(
inp =>
{
var res = Tok.Lexeme(
from name in new Ident(languageDef)
where !IdentHelper.IsReservedName(name, languageDef)
select new IdentifierToken(name, inp.First().Location)
)
.Parse(inp);
if (res.IsFaulted)
{
return(res);
}
if (res.Value.IsEmpty)
{
return(ParserResult.Fail <IdentifierToken>("unexpected: reserved word", inp));
}
return(res);
}
)
{ }
public Octal()
:
base(
inp =>
{
var r = (from x in Prim.Character('o').Or(Prim.Character('O'))
from d in Prim.Many1(Prim.OctalDigit())
select d)
.Parse(inp);
if (r.IsFaulted)
{
return(ParserResult.Fail <IntegerToken>(r.Errors));
}
else
{
var val = r.Value.First();
return(ParserResult.Success <IntegerToken>(
Tuple.Create(
new IntegerToken(Convert.ToInt32(val.Item1.AsString(), 8), inp.First().Location),
val.Item2
).Cons()
));
}
}
)
{ }
public Operator(GeneralLanguageDef languageDef)
:
base(
inp =>
{
var res = Tok.Lexeme(
from name in new Oper(languageDef)
where !OpsHelper.IsReservedOp(name, languageDef)
select new OperatorToken(name, inp.First().Location))
.Parse(inp);
if (res.IsFaulted)
{
return(res);
}
if (res.Value.IsEmpty)
{
return(ParserResult.Fail <OperatorToken>("unexpected: reserved operator", inp));
}
return(res);
}
)
{ }
public Decimal()
:
base(
inp => {
var r = Prim.Many1(Prim.Digit()).Parse(inp);
if (r.IsFaulted)
{
return(ParserResult.Fail <IntegerToken>(r.Errors));
}
else
{
var val = r.Value.First();
return(ParserResult.Success <IntegerToken>(
Tuple.Create(
new IntegerToken(Int32.Parse(val.Item1.AsString()), inp.First().Location),
val.Item2
).Cons()
));
}
}
)
{}
