rishi/scryer-prolog
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix goal expansion in disjunctions, add warnings for singleton variables

Browse Source
This commit is contained in:
Mark Thom
2019-10-03 22:13:34 -06:00
parent 02d1ed237f
commit b61ed65208
11 changed files with 348 additions and 116 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/prolog/codegen.rs
View File

@@ -20,7 +20,7 @@ use std::vec::Vec;
pub struct CodeGenerator<TermMarker> {
flags: MachineFlags,
marker: TermMarker,
var_count: IndexMap<Rc<Var>, usize>,
pub var_count: IndexMap<Rc<Var>, usize>,
non_counted_bt: bool,
}
@@ -867,8 +867,8 @@ impl<'a, TermMarker: Allocator<'a>> CodeGenerator<TermMarker> {
self.marker.reset();
let mut clause_code = match clause {
&PredicateClause::Fact(ref fact) => self.compile_fact(fact),
&PredicateClause::Rule(ref rule) => try!(self.compile_rule(rule)),
&PredicateClause::Fact(ref fact, ..) => self.compile_fact(fact),
&PredicateClause::Rule(ref rule, ..) => self.compile_rule(rule)?,
};
if num_clauses > 1 {