rishi/scryer-prolog
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eliminate lingering attribute goals

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This commit is contained in:
Mark Thom
2019-10-16 11:38:33 -03:00
parent b6a2e26a4f
commit 42a3bdc357
3 changed files with 3 additions and 2 deletions
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2
Cargo.toml
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@@ -1,6 +1,6 @@
[package] [package]
name = "scryer-prolog" name = "scryer-prolog"
version = "0.8.111" version = "0.8.112"
authors = ["Mark Thom <markjordanthom@gmail.com>"] authors = ["Mark Thom <markjordanthom@gmail.com>"]
build = "build.rs" build = "build.rs"
repository = "https://github.com/mthom/scryer-prolog" repository = "https://github.com/mthom/scryer-prolog"

2
src/prolog/fixtures.rs
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@@ -191,7 +191,7 @@ impl<'a> VariableFixtures<'a> {
for term_ref in iter { for term_ref in iter {
if let &TermRef::Var(lvl, cell, ref var) = &term_ref { if let &TermRef::Var(lvl, cell, ref var) = &term_ref {
let mut status = self.perm_vars.remove(var).unwrap_or(( let mut status = self.perm_vars.swap_remove(var).unwrap_or((
VarStatus::Temp(chunk_num, TempVarData::new(lt_arity)), VarStatus::Temp(chunk_num, TempVarData::new(lt_arity)),
Vec::new(), Vec::new(),
)); ));

1
src/prolog/machine/attributed_variables.rs
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@@ -34,6 +34,7 @@ impl AttrVarInitializer {
pub(super) fn reset(&mut self) { pub(super) fn reset(&mut self) {
self.attr_var_queue.clear(); self.attr_var_queue.clear();
self.bindings.clear(); self.bindings.clear();
self.attribute_goals.clear();
} }
} }