diff options
Diffstat (limited to 'src/libsyntax/parse/parser.rs')
| -rw-r--r-- | src/libsyntax/parse/parser.rs | 38 |
1 files changed, 25 insertions, 13 deletions
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs index 2428710087f..ed149c1a73e 100644 --- a/src/libsyntax/parse/parser.rs +++ b/src/libsyntax/parse/parser.rs @@ -4264,21 +4264,28 @@ impl Parser { path: Path, outer_attrs: ~[ast::Attribute], id_sp: Span) -> (ast::item_, ~[ast::Attribute]) { - let maybe_i = self.sess.included_mod_stack.iter().position(|p| *p == path); - match maybe_i { - Some(i) => { - let stack = &self.sess.included_mod_stack; - let mut err = ~"circular modules: "; - for p in stack.slice(i, stack.len()).iter() { - p.display().with_str(|s| err.push_str(s)); - err.push_str(" -> "); + { + let mut included_mod_stack = self.sess + .included_mod_stack + .borrow_mut(); + let maybe_i = included_mod_stack.get() + .iter() + .position(|p| *p == path); + match maybe_i { + Some(i) => { + let mut err = ~"circular modules: "; + let len = included_mod_stack.get().len(); + for p in included_mod_stack.get().slice(i, len).iter() { + p.display().with_str(|s| err.push_str(s)); + err.push_str(" -> "); + } + path.display().with_str(|s| err.push_str(s)); + self.span_fatal(id_sp, err); } - path.display().with_str(|s| err.push_str(s)); - self.span_fatal(id_sp, err); + None => () } - None => () + included_mod_stack.get().push(path.clone()); } - self.sess.included_mod_stack.push(path.clone()); let mut p0 = new_sub_parser_from_file(self.sess, @@ -4289,7 +4296,12 @@ impl Parser { let mod_attrs = vec::append(outer_attrs, inner); let first_item_outer_attrs = next; let m0 = p0.parse_mod_items(token::EOF, first_item_outer_attrs); - self.sess.included_mod_stack.pop(); + { + let mut included_mod_stack = self.sess + .included_mod_stack + .borrow_mut(); + included_mod_stack.get().pop(); + } return (ast::item_mod(m0), mod_attrs); } |