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add current_op/3

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This commit is contained in:
Mark Thom
2019-04-05 21:25:49 -06:00
parent 03f2190d6b
commit 272b4f6d8d
7 changed files with 160 additions and 11 deletions
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8
src/prolog/machine/machine_indices.rs
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@@ -12,10 +12,16 @@ use std::mem;
use std::ops::{Add, AddAssign, Sub, SubAssign};
use std::rc::Rc;
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct OrderedOpDirKey(pub ClauseName, pub Fixity);
pub type OssifiedOpDir = BTreeMap<OrderedOpDirKey, (usize, Specifier)>;
#[derive(Clone, PartialEq, Eq, Hash)]
pub enum DBRef {
BuiltInPred(ClauseName, usize, Option<SharedOpDesc>),
NamedPred(ClauseName, usize, Option<SharedOpDesc>)
NamedPred(ClauseName, usize, Option<SharedOpDesc>),
Op(usize, Specifier, ClauseName, Rc<OssifiedOpDir>, SharedOpDesc)
}
#[derive(Clone, PartialEq, Eq, Hash)]