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

use -1 as eof_code for binary streams (#555)

Browse Source
This commit is contained in:
Mark Thom
2020-05-22 15:58:07 -06:00
parent f9aad34d28
commit 0060c8988a
1 changed files with 8 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/prolog/machine/streams.rs
View File

@@ -688,9 +688,14 @@ impl MachineState {
return Err(self.open_past_eos_error(stream.clone(), caller, arity)); return Err(self.open_past_eos_error(stream.clone(), caller, arity));
} }
EOFAction::EOFCode => { EOFAction::EOFCode => {
let end_of_stream = self.heap.to_unifiable( let end_of_stream =
if stream.options.stream_type == StreamType::Binary {
Addr::Fixnum(-1)
} else {
self.heap.to_unifiable(
HeapCellValue::Atom(clause_name!("end_of_file"), None) HeapCellValue::Atom(clause_name!("end_of_file"), None)
); )
};
stream.set_past_end_of_stream(); stream.set_past_end_of_stream();
Ok(self.unify(result, end_of_stream)) Ok(self.unify(result, end_of_stream))