rishi/scryer-prolog
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speed up unification

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This commit is contained in:
Mark Thom
2019-04-27 23:39:19 -06:00
parent 9b21e04539
commit e135063325
3 changed files with 17 additions and 8 deletions
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9
src/prolog/heap_print.rs
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@@ -487,7 +487,7 @@ impl<'a, Outputter: HCValueOutputter> HCPrinter<'a, Outputter>
for _ in 0 .. arity {
self.state_stack.push(TokenOrRedirect::FunctorRedirect);
self.state_stack.push(TokenOrRedirect::Comma);
}
}
self.state_stack.pop();
self.state_stack.push(TokenOrRedirect::Open);
@@ -778,7 +778,7 @@ impl<'a, Outputter: HCValueOutputter> HCPrinter<'a, Outputter>
fn print_string(&mut self, s: StringList) {
match self.machine_st.machine_flags().double_quotes {
DoubleQuotes::Chars | DoubleQuotes::Codes => {
DoubleQuotes::Chars | DoubleQuotes::Codes =>
if !s.is_empty() {
if self.ignore_ops {
self.format_struct(2, clause_name!("."));
@@ -791,8 +791,7 @@ impl<'a, Outputter: HCValueOutputter> HCPrinter<'a, Outputter>
}
} else if !self.at_cdr("") {
self.append_str("[]");
}
},
},
DoubleQuotes::Atom => {
let borrowed_str = s.borrow();
@@ -802,7 +801,7 @@ impl<'a, Outputter: HCValueOutputter> HCPrinter<'a, Outputter>
}
}
}
fn push_list(&mut self) {
let cell = Rc::new(Cell::new(true));