rishi/scryer-prolog
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slight tweaks.

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This commit is contained in:
Mark Thom
2017-03-25 21:35:31 -06:00
parent b7ff27af1b
commit 02482aec8a
6 changed files with 48 additions and 25 deletions
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8
src/prolog/io.rs
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@@ -218,7 +218,7 @@ pub fn eval(wam: &mut Machine, buffer: &str) -> EvalResult
match &result {
&Ok(TopLevel::Predicate(ref clauses)) => {
if is_consistent(clauses) {
let compiled_pred = cg.compile_predicate(clauses);
let compiled_pred = cg.compile_predicate(clauses);
wam.add_predicate(clauses, compiled_pred);
EvalResult::EntrySuccess
@@ -231,17 +231,17 @@ Each predicate must have the same name and arity.";
}
},
&Ok(TopLevel::Fact(ref fact)) => {
let compiled_fact = cg.compile_fact(&fact);
let compiled_fact = cg.compile_fact(&fact);
wam.add_fact(fact, compiled_fact);
EvalResult::EntrySuccess
},
&Ok(TopLevel::Rule(ref rule)) => {
let compiled_rule = cg.compile_rule(&rule);
let compiled_rule = cg.compile_rule(&rule);
wam.add_rule(rule, compiled_rule);
EvalResult::EntrySuccess
},
&Ok(TopLevel::Query(ref query)) => {
let compiled_query = cg.compile_query(&query);
let compiled_query = cg.compile_query(&query);
wam.run_query(compiled_query, &cg)
},
&Err(_) => {