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This commit is contained in:
Oliver Schneider 2017-02-27 09:45:02 +01:00
parent 455fa0c40a
commit b9f183d31f
4 changed files with 13 additions and 11 deletions
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2
clippy_lints/src/loops.rs
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@ -1028,7 +1028,7 @@ fn extract_first_expr(block: &Block) -> Option<&Expr> {
/// Return true if expr contains a single break expr (maybe within a block).
fn is_break_expr(expr: &Expr) -> bool {
match expr.node {
ExprBreak(None, _) => true,
ExprBreak(dest, _) if dest.ident.is_none() => true,
ExprBlock(ref b) => {
match extract_first_expr(b) {
Some(subexpr) => is_break_expr(subexpr),

8
clippy_lints/src/unused_label.rs
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@ -69,9 +69,11 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnusedLabel {
impl<'a, 'tcx: 'a> Visitor<'tcx> for UnusedLabelVisitor<'a, 'tcx> {
fn visit_expr(&mut self, expr: &'tcx hir::Expr) {
match expr.node {
hir::ExprBreak(Some(label), _) |
hir::ExprAgain(Some(label)) => {
self.labels.remove(&label.name.as_str());
hir::ExprBreak(destination, _) |
hir::ExprAgain(destination) => {
if let Some(label) = destination.ident {
self.labels.remove(&label.node.name.as_str());
}
},
hir::ExprLoop(_, Some(label), _) |
hir::ExprWhile(_, _, Some(label)) => {

12
clippy_lints/src/utils/hir.rs
View File

@ -68,7 +68,7 @@ impl<'a, 'tcx: 'a> SpanlessEq<'a, 'tcx> {
match (&left.node, &right.node) {
(&ExprAddrOf(l_mut, ref le), &ExprAddrOf(r_mut, ref re)) => l_mut == r_mut && self.eq_expr(le, re),
(&ExprAgain(li), &ExprAgain(ri)) => both(&li, &ri, |l, r| l.name.as_str() == r.name.as_str()),
(&ExprAgain(li), &ExprAgain(ri)) => both(&li.ident, &ri.ident, |l, r| l.node.name.as_str() == r.node.name.as_str()),
(&ExprAssign(ref ll, ref lr), &ExprAssign(ref rl, ref rr)) => self.eq_expr(ll, rl) && self.eq_expr(lr, rr),
(&ExprAssignOp(ref lo, ref ll, ref lr), &ExprAssignOp(ref ro, ref rl, ref rr)) => {
lo.node == ro.node && self.eq_expr(ll, rl) && self.eq_expr(lr, rr)
@ -81,7 +81,7 @@ impl<'a, 'tcx: 'a> SpanlessEq<'a, 'tcx> {
})
},
(&ExprBreak(li, ref le), &ExprBreak(ri, ref re)) => {
both(&li, &ri, |l, r| l.name.as_str() == r.name.as_str()) && both(le, re, |l, r| self.eq_expr(l, r))
both(&li.ident, &ri.ident, |l, r| l.node.name.as_str() == r.node.name.as_str()) && both(le, re, |l, r| self.eq_expr(l, r))
},
(&ExprBox(ref l), &ExprBox(ref r)) => self.eq_expr(l, r),
(&ExprCall(ref l_fun, ref l_args), &ExprCall(ref r_fun, ref r_args)) => {
@ -310,8 +310,8 @@ impl<'a, 'tcx: 'a> SpanlessHash<'a, 'tcx> {
ExprAgain(i) => {
let c: fn(_) -> _ = ExprAgain;
c.hash(&mut self.s);
if let Some(i) = i {
self.hash_name(&i.name);
if let Some(i) = i.ident {
self.hash_name(&i.node.name);
}
},
ExprAssign(ref l, ref r) => {
@ -342,8 +342,8 @@ impl<'a, 'tcx: 'a> SpanlessHash<'a, 'tcx> {
ExprBreak(i, ref j) => {
let c: fn(_, _) -> _ = ExprBreak;
c.hash(&mut self.s);
if let Some(i) = i {
self.hash_name(&i.name);
if let Some(i) = i.ident {
self.hash_name(&i.node.name);
}
if let Some(ref j) = *j {
self.hash_expr(&*j);

2
clippy_lints/src/utils/mod.rs
View File

@ -900,7 +900,7 @@ pub fn opt_def_id(def: Def) -> Option<DefId> {
Def::AssociatedConst(id) |
Def::Local(id) |
Def::Upvar(id, ..) |
Def::Macro(id) => Some(id),
Def::Macro(id, _) => Some(id),
Def::Label(..) | Def::PrimTy(..) | Def::SelfTy(..) | Def::Err => None,
}