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fixed false positives on structs/enum variants

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This commit is contained in:
llogiq 2015-08-25 20:11:03 +02:00
parent 56cdd58ad2
commit 9012d8f197
1 changed files with 8 additions and 1 deletions
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9
src/shadow.rs
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@ -65,13 +65,20 @@ fn check_decl(cx: &Context, decl: &Decl, bindings: &mut Vec<Name>) {
}
}
fn is_binding(cx: &Context, pat: &Pat) -> bool {
match cx.tcx.def_map.borrow().get(&pat.id).map(|d| d.full_def()) {
Some(DefVariant(..)) | Some(DefStruct(..)) => false,
_ => true
}
}
fn check_pat<T>(cx: &Context, pat: &Pat, init: &Option<T>, span: Span,
bindings: &mut Vec<Name>) where T: Deref<Target=Expr> {
//TODO: match more stuff / destructuring
match pat.node {
PatIdent(_, ref ident, ref inner) => {
let name = ident.node.name;
if pat_is_binding(&cx.tcx.def_map, pat) {
if is_binding(cx, pat) {
if bindings.contains(&name) {
lint_shadow(cx, name, span, pat.span, init);
}