fn is_relevant_trait(cx: &LateContext, item: &TraitItem) -> bool {
match item.node {
- MethodTraitItem(_, None) => true,
- MethodTraitItem(_, Some(eid)) => is_relevant_expr(cx, cx.tcx.map.expr(eid)),
+ TraitItemKind::Method(_, None) => true,
+ TraitItemKind::Method(_, Some(eid)) => is_relevant_expr(cx, cx.tcx.map.expr(eid)),
_ => false,
}
}
}
fn check_trait_item(&mut self, cx: &LateContext<'a, 'tcx>, item: &'tcx TraitItem) {
- if let MethodTraitItem(_, Some(eid)) = item.node {
+ if let TraitItemKind::Method(_, Some(eid)) = item.node {
self.check(cx, cx.tcx.map.expr(eid), item.span);
}
}
}
fn check_trait_item(&mut self, cx: &LateContext<'a, 'tcx>, item: &'tcx hir::TraitItem) {
- if let hir::MethodTraitItem(ref sig, eid) = item.node {
+ if let hir::TraitItemKind::Method(ref sig, eid) = item.node {
// don't lint extern functions decls, it's not their fault
if sig.abi == Abi::Rust {
self.check_arg_number(cx, &sig.decl, item.span);
fn check_trait_items(cx: &LateContext, item: &Item, trait_items: &[TraitItem]) {
fn is_named_self(item: &TraitItem, name: &str) -> bool {
&*item.name.as_str() == name &&
- if let MethodTraitItem(ref sig, _) = item.node {
+ if let TraitItemKind::Method(ref sig, _) = item.node {
if sig.decl.has_self() {
sig.decl.inputs.len() == 1
} else {
}
fn check_trait_item(&mut self, cx: &LateContext<'a, 'tcx>, item: &'tcx TraitItem) {
- if let MethodTraitItem(ref sig, _) = item.node {
+ if let TraitItemKind::Method(ref sig, _) = item.node {
check_fn_inner(cx, &sig.decl, &sig.generics, item.span);
}
}
use rustc::hir;
use rustc::lint::*;
use rustc::middle::const_val::ConstVal;
-use rustc::middle::const_qualif::ConstQualif;
use rustc::ty;
use rustc::hir::def::Def;
use rustc_const_eval::EvalHint::ExprTypeChecked;
let item = cx.tcx.map.expect_item(parent);
if_let_chain! {[
let hir::ImplItemKind::Method(ref sig, _) = implitem.node,
- let Some(explicit_self) = sig.decl.inputs.get(0).and_then(hir::Arg::to_self),
+ let Some(first_arg) = sig.decl.inputs.get(0),
let hir::ItemImpl(_, _, _, None, _, _) = item.node,
], {
// check missing trait implementations
if &*name.as_str() == method_name &&
sig.decl.inputs.len() == n_args &&
out_type.matches(&sig.decl.output) &&
- self_kind.matches(&explicit_self, false) {
+ self_kind.matches(&first_arg, false) {
span_lint(cx, SHOULD_IMPLEMENT_TRAIT, implitem.span, &format!(
"defining a method called `{}` on this type; consider implementing \
the `{}` trait or choosing a less ambiguous name", name, trait_name));
) {
// don't lint for constant values
// FIXME: can we `expect` here instead of match?
- if let Some(qualif) = cx.tcx.const_qualif_map.borrow().get(&arg.id) {
- if !qualif.contains(ConstQualif::NOT_CONST) {
- return;
- }
+ let promotable = cx.tcx().rvalue_promotable_to_static.borrow()
+ .get(&arg.id).cloned().unwrap_or(true);
+ if !promotable {
+ return;
}
+
// (path, fn_has_argument, methods, suffix)
let know_types: &[(&[_], _, &[_], _)] =
&[(&paths::BTREEMAP_ENTRY, false, &["or_insert"], "with"),
}
impl SelfKind {
- fn matches(self, slf: &hir::ExplicitSelf, allow_value_for_ref: bool) -> bool {
+ fn matches(self, slf: &hir::Arg, allow_value_for_ref: bool) -> bool {
+ if !slf.has_self() {
+ return self == No;
+ }
match (self, &slf.node) {
(SelfKind::Value, &hir::SelfKind::Value(_)) |
(SelfKind::Ref, &hir::SelfKind::Region(_, hir::Mutability::MutImmutable)) |
fn check_trait_item(&mut self, cx: &LateContext<'a, 'tcx>, trait_item: &'tcx hir::TraitItem) {
let desc = match trait_item.node {
- hir::ConstTraitItem(..) => "an associated constant",
- hir::MethodTraitItem(..) => "a trait method",
- hir::TypeTraitItem(..) => "an associated type",
+ hir::TraitItemKind::Const(..) => "an associated constant",
+ hir::TraitItemKind::Method(..) => "a trait method",
+ hir::TraitItemKind::Type(..) => "an associated type",
};
self.check_missing_docs_attrs(cx, &trait_item.attrs, trait_item.span, desc);
}
fn check_trait_item(&mut self, cx: &LateContext<'a, 'tcx>, item: &'tcx TraitItem) {
- if let MethodTraitItem(ref sig, _) = item.node {
+ if let TraitItemKind::Method(ref sig, _) = item.node {
check_fn(cx, &sig.decl, item.id);
}
}
fn check_trait_item(&mut self, cx: &LateContext, item: &TraitItem) {
match item.node {
- ConstTraitItem(ref ty, _) |
- TypeTraitItem(_, Some(ref ty)) => check_ty(cx, ty),
- MethodTraitItem(ref sig, _) => check_fn_decl(cx, &sig.decl),
+ TraitItemKind::Const(ref ty, _) |
+ TraitItemKind::Type(_, Some(ref ty)) => check_ty(cx, ty),
+ TraitItemKind::Method(ref sig, _) => check_fn_decl(cx, &sig.decl),
_ => (),
}
}
fn check_trait_item(&mut self, cx: &LateContext<'a, 'tcx>, item: &'tcx TraitItem) {
match item.node {
- ConstTraitItem(ref ty, _) |
- TypeTraitItem(_, Some(ref ty)) => self.check_type(cx, ty),
- MethodTraitItem(MethodSig { ref decl, .. }, None) => self.check_fndecl(cx, decl),
+ TraitItemKind::Const(ref ty, _) |
+ TraitItemKind::Type(_, Some(ref ty)) => self.check_type(cx, ty),
+ TraitItemKind::Method(MethodSig { ref decl, .. }, None) => self.check_fndecl(cx, decl),
// methods with default impl are covered by check_fn
_ => (),
}