diff options
Diffstat (limited to 'src/librustc/lint/builtin.rs')
| -rw-r--r-- | src/librustc/lint/builtin.rs | 28 |
1 files changed, 1 insertions, 27 deletions
diff --git a/src/librustc/lint/builtin.rs b/src/librustc/lint/builtin.rs index 35c29f646e4..f6f79f5d000 100644 --- a/src/librustc/lint/builtin.rs +++ b/src/librustc/lint/builtin.rs @@ -1681,33 +1681,7 @@ impl Stability { } fn is_internal(&self, cx: &Context, span: Span) -> bool { - // first, check if the given expression was generated by a macro or not - // we need to go back the expn_info tree to check only the arguments - // of the initial macro call, not the nested ones. - let mut expnid = span.expn_id; - let mut is_internal = false; - while cx.tcx.sess.codemap().with_expn_info(expnid, |expninfo| { - match expninfo { - Some(ref info) => { - // save the parent expn_id for next loop iteration - expnid = info.call_site.expn_id; - if info.callee.span.is_none() { - // it's a compiler built-in, we *really* don't want to mess with it - // so we skip it, unless it was called by a regular macro, in which case - // we will handle the caller macro next turn - is_internal = true; - true // continue looping - } else { - // was this expression from the current macro arguments ? - is_internal = !( span.lo > info.call_site.lo && - span.hi < info.call_site.hi ); - true // continue looping - } - }, - _ => false // stop looping - } - }) { /* empty while loop body */ } - return is_internal; + cx.tcx.sess.codemap().span_is_internal(span) } } |