rishi/scryer-prolog
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address issues #143, #150, #155

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This commit is contained in:
Mark Thom
2019-09-02 16:53:31 -04:00
parent 07412b9d34
commit 2c880b2bc0
25 changed files with 314 additions and 210 deletions
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8
src/prolog/machine/system_calls.rs
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@@ -282,7 +282,7 @@ impl MachineState {
self.fail = true;
return;
}
if let Some(r) = a2.as_var() {
let spec = get_clause_spec(name.clone(), *arity,
composite_op!(&indices.op_dir));
@@ -308,7 +308,7 @@ impl MachineState {
self.fail = true;
return;
}
if let Some(r) = a2.as_var() {
let spec = get_clause_spec(name.clone(), *arity,
composite_op!(&indices.op_dir));
@@ -1589,6 +1589,10 @@ impl MachineState {
self.unify(list_offset, a2);
},
Err(err) => {
if let ParserError::UnexpectedEOF = err {
std::process::exit(0);
}
// reset the input stream after an input failure.
*current_input_stream = readline::input_stream();