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

handle TCO when setting up verify_attributes interrupts

Browse Source
This commit is contained in:
Mark Thom
2019-10-13 14:13:52 -06:00
parent 249b613e36
commit da89b1af63
3 changed files with 8 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/prolog/machine/attributed_variables.rs
View File

@@ -40,7 +40,12 @@ impl AttrVarInitializer {
impl MachineState {
pub(super) fn push_attr_var_binding(&mut self, h: usize, addr: Addr) {
if self.attr_var_init.bindings.is_empty() {
self.attr_var_init.cp = self.p.local();
if self.last_call {
self.attr_var_init.cp = self.cp;
} else {
self.attr_var_init.cp = self.p.local();
}
self.p = CodePtr::VerifyAttrInterrupt(self.attr_var_init.verify_attrs_loc);
}

2
src/prolog/machine/mod.rs
View File

@@ -1046,7 +1046,7 @@ impl MachineState {
match self.p {
CodePtr::VerifyAttrInterrupt(_) => {
self.p = CodePtr::Local(self.attr_var_init.cp);// + 1);
self.p = CodePtr::Local(self.attr_var_init.cp);
if !self.verify_attr_stepper(indices, policies, code_repo, prolog_stream) {
if self.fail {