use crate::consts::{miri_to_const, Constant};
use crate::utils::span_lint;
+use rustc::declare_lint_pass;
use rustc::hir::*;
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
use rustc::mir::interpret::GlobalId;
use rustc::ty;
use rustc::ty::subst::InternalSubsts;
use rustc::ty::util::IntTypeExt;
-use rustc::{declare_lint_pass, declare_tool_lint};
+use rustc_session::declare_tool_lint;
use std::convert::TryFrom;
use syntax::ast::{IntTy, UintTy};
///
/// **Example:**
/// ```rust
+ /// # #[cfg(target_pointer_width = "64")]
/// #[repr(usize)]
/// enum NonPortable {
/// X = 0x1_0000_0000,
if cx.tcx.data_layout.pointer_size.bits() != 64 {
return;
}
- if let ItemKind::Enum(ref def, _) = item.node {
+ if let ItemKind::Enum(def, _) = &item.kind {
for var in &def.variants {
- let variant = &var.node;
- if let Some(ref anon_const) = variant.disr_expr {
+ if let Some(anon_const) = &var.disr_expr {
let param_env = ty::ParamEnv::empty();
let def_id = cx.tcx.hir().body_owner_def_id(anon_const.body);
- let substs = InternalSubsts::identity_for_item(cx.tcx.global_tcx(), def_id);
+ let substs = InternalSubsts::identity_for_item(cx.tcx, def_id);
let instance = ty::Instance::new(def_id, substs);
let c_id = GlobalId {
instance,
promoted: None,
};
let constant = cx.tcx.const_eval(param_env.and(c_id)).ok();
- if let Some(Constant::Int(val)) = constant.and_then(|c| miri_to_const(cx.tcx, &c)) {
+ if let Some(Constant::Int(val)) = constant.and_then(miri_to_const) {
let mut ty = cx.tcx.type_of(def_id);
- if let ty::Adt(adt, _) = ty.sty {
+ if let ty::Adt(adt, _) = ty.kind {
if adt.is_enum() {
ty = adt.repr.discr_type().to_ty(cx.tcx);
}
}
- match ty.sty {
+ match ty.kind {
ty::Int(IntTy::Isize) => {
let val = ((val as i128) << 64) >> 64;
if i32::try_from(val).is_ok() {