rishi/scryer-prolog
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correct marker bug, edit README.

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This commit is contained in:
Mark Thom
2018-01-27 01:27:17 -07:00
parent 1412071ea9
commit f939a9e129
5 changed files with 28 additions and 17 deletions
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10
src/prolog/codegen.rs
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@@ -483,12 +483,12 @@ impl<'a, TermMarker: Allocator<'a>> CodeGenerator<'a, TermMarker>
let conjunct_info = self.collect_var_data(iter);
let &Rule { head: (ref p0, ref p1), ref clauses } = rule;
let mut code = Vec::new();
self.marker.reset_arg(p0.arity());
self.compile_seq_prelude(&conjunct_info, &mut code);
let mut code = Vec::new();
if let &QueryTerm::Term(ref term) = p0 {
self.marker.reset_arg_at_head(term);
self.compile_seq_prelude(&conjunct_info, &mut code);
if let &Term::Clause(..) = term {
let iter = FactInstruction::iter(term);
let fact = self.compile_target(iter, GenContext::Head, false);
@@ -557,7 +557,7 @@ impl<'a, TermMarker: Allocator<'a>> CodeGenerator<'a, TermMarker>
vs.populate_restricting_sets();
self.marker.drain_var_data(vs);
self.marker.reset_arg(term.arity());
self.marker.reset_arg_at_head(term);
let mut code = Vec::new();