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check that a load context path is a filename before potentially returning it as a string

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This commit is contained in:
Mark Thom
2021-03-17 18:58:33 -06:00
parent b98e8c34eb
commit 7937ccee30
1 changed files with 4 additions and 0 deletions
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4
src/machine/compile.rs
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@@ -1318,6 +1318,10 @@ fn print_overwrite_warning(
impl<'a> LoadState<'a> { impl<'a> LoadState<'a> {
pub(super) fn listing_src_file_name(&self) -> Option<ClauseName> { pub(super) fn listing_src_file_name(&self) -> Option<ClauseName> {
if let Some(load_context) = self.wam.load_contexts.last() { if let Some(load_context) = self.wam.load_contexts.last() {
if !load_context.path.is_file() {
return None;
}
if let Some(path_str) = load_context.path.to_str() { if let Some(path_str) = load_context.path.to_str() {
if !path_str.is_empty() { if !path_str.is_empty() {
return Some(clause_name!(path_str.to_string(), self.wam.machine_st.atom_tbl)); return Some(clause_name!(path_str.to_string(), self.wam.machine_st.atom_tbl));