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Implement a lot more ops

This commit is contained in:
greg 2018-05-11 01:35:39 -07:00
parent 065e58f87e
commit ce71254b69
1 changed files with 10 additions and 12 deletions
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22
schala-lang/src/eval.rs
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@ -389,21 +389,19 @@ impl<'a> State<'a> {
Ok(match (name.as_str(), evaled_args.as_slice()) {
("+", &[Lit(Nat(l)), Lit(Nat(r))]) => Lit(Nat(l + r)),
/*
("++", Str(s1), Str(s2)) => Str(format!("{}{}", s1, s2)),
("-", UnsignedInt(l), UnsignedInt(r)) => UnsignedInt(l - r),
("*", UnsignedInt(l), UnsignedInt(r)) => UnsignedInt(l * r),
("/", UnsignedInt(l), UnsignedInt(r)) => Float((l as f64)/ (r as f64)),
("//", UnsignedInt(l), UnsignedInt(r)) => if r == 0 {
("++", &[Lit(StringLit(ref s1)), Lit(StringLit(ref s2))]) => Lit(StringLit(Rc::new(format!("{}{}", s1, s2)))),
("-", &[Lit(Nat(l)), Lit(Nat(r))]) => Lit(Nat(l - r)),
("*", &[Lit(Nat(l)), Lit(Nat(r))]) => Lit(Nat(l * r)),
("/", &[Lit(Nat(l)), Lit(Nat(r))]) => Lit(Float((l as f64)/ (r as f64))),
("//", &[Lit(Nat(l)), Lit(Nat(r))]) => if r == 0 {
return Err(format!("Runtime error: divide by zero"));
} else {
UnsignedInt(l / r)
Lit(Nat(l / r))
},
("%", UnsignedInt(l), UnsignedInt(r)) => UnsignedInt(l % r),
("^", UnsignedInt(l), UnsignedInt(r)) => UnsignedInt(l ^ r),
("&", UnsignedInt(l), UnsignedInt(r)) => UnsignedInt(l & r),
("|", UnsignedInt(l), UnsignedInt(r)) => UnsignedInt(l | r),
*/
("%", &[Lit(Nat(l)), Lit(Nat(r))]) => Lit(Nat(l % r)),
("^", &[Lit(Nat(l)), Lit(Nat(r))]) => Lit(Nat(l ^ r)),
("&", &[Lit(Nat(l)), Lit(Nat(r))]) => Lit(Nat(l & r)),
("|", &[Lit(Nat(l)), Lit(Nat(r))]) => Lit(Nat(l | r)),
_ => return Err(format!("Runtime error: not yet implemented")),
})
}