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Fix tidy warnings
This commit is contained in:
parent
d861982ca6
commit
17c749f3ee
@ -33,6 +33,6 @@ pub trait Generator<Arg = ()> {
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/// The type of value this generator returns.
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type Return;
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/// This resumes the execution of the generator.
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/// This resumes the execution of the generator.
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fn resume(&mut self, arg: Arg) -> State<Self::Yield, Self::Return>;
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}
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@ -2109,7 +2109,7 @@ impl<'a> LoweringContext<'a> {
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ExprKind::ImplArg => {
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hir::ExprImplArg(self.impl_arg_id())
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}
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// Desugar ExprIfLet
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// From: `if let <pat> = <sub_expr> <body> [<else_opt>]`
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ExprKind::IfLet(ref pat, ref sub_expr, ref body, ref else_opt) => {
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@ -1317,7 +1317,7 @@ impl<'a> State<'a> {
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self.head("gen")?;
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space(&mut self.s)?;
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}
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self.print_capture_clause(capture_clause)?;
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self.print_closure_args(&decl, body)?;
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@ -146,7 +146,8 @@ impl<'a, 'gcx, 'tcx> InferCtxt<'a, 'gcx, 'tcx> {
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}
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if local_visitor.found_impl_arg {
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labels.push((DUMMY_SP, format!("consider giving a type to the implicit generator argument")));
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labels.push((DUMMY_SP, format!("consider giving a type to the \
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implicit generator argument")));
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}
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let mut err = struct_span_err!(self.tcx.sess,
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@ -1075,7 +1075,7 @@ impl<'a, 'tcx> Visitor<'tcx> for RegionResolutionVisitor<'a, 'tcx> {
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if let Some(ref impl_arg) = body.impl_arg {
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record_var_lifetime(self, impl_arg.id, impl_arg.span);
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}
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// The body of the every fn is a root scope.
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self.cx.parent = self.cx.var_parent;
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self.visit_expr(&body.value);
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@ -1161,12 +1161,13 @@ impl<'tcx> Visitor<'tcx> for YieldFinder {
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if let hir::ExprSuspend(..) = expr.node {
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self.0 = true;
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}
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intravisit::walk_expr(self, expr);
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}
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}
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pub fn extent_has_yield<'a, 'gcx: 'a+'tcx, 'tcx: 'a>(tcx: TyCtxt<'a, 'gcx, 'tcx>, extent: CodeExtent) -> bool {
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pub fn extent_has_yield<'a, 'gcx: 'a+'tcx, 'tcx: 'a>(tcx: TyCtxt<'a, 'gcx, 'tcx>,
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extent: CodeExtent) -> bool {
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let mut finder = YieldFinder(false);
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match extent {
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@ -1181,7 +1182,7 @@ pub fn extent_has_yield<'a, 'gcx: 'a+'tcx, 'tcx: 'a>(tcx: TyCtxt<'a, 'gcx, 'tcx>
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}
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Node::NodeExpr(expr) => intravisit::walk_expr(&mut finder, expr),
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Node::NodeStmt(stmt) => intravisit::walk_stmt(&mut finder, stmt),
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Node::NodeBlock(block) => intravisit::walk_block(&mut finder, block),
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Node::NodeBlock(block) => intravisit::walk_block(&mut finder, block),
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_ => bug!(),
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}
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}
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@ -1355,7 +1355,8 @@ impl<'tcx> Debug for Rvalue<'tcx> {
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}
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struct_fmt.field("$state", &lvs[freevars.len()]);
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for i in (freevars.len() + 1)..lvs.len() {
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struct_fmt.field(&format!("${}", i - freevars.len() - 1), &lvs[i]);
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struct_fmt.field(&format!("${}", i - freevars.len() - 1),
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&lvs[i]);
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}
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});
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@ -204,7 +204,10 @@ impl<'tcx> Rvalue<'tcx> {
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}
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AggregateKind::Generator(did, substs) => {
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let node_id = tcx.hir.as_local_node_id(did).unwrap();
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let interior = *tcx.typeck_tables_of(did).generator_interiors.get(&node_id).unwrap();
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let interior = *tcx.typeck_tables_of(did)
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.generator_interiors
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.get(&node_id)
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.unwrap();
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tcx.mk_generator(did, substs, interior.subst(tcx, substs.substs))
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}
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}
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@ -399,7 +399,7 @@ macro_rules! make_mir_visitor {
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}
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TerminatorKind::Resume |
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TerminatorKind::Return |
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TerminatorKind::Return |
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TerminatorKind::GeneratorDrop |
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TerminatorKind::Unreachable => {
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}
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@ -2583,7 +2583,7 @@ impl<'cx, 'gcx, 'tcx> SelectionContext<'cx, 'gcx, 'tcx> {
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value: trait_ref,
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obligations
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} = self.generator_trait_ref(obligation, closure_def_id, substs);
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debug!("confirm_generator_candidate(closure_def_id={:?}, trait_ref={:?}, obligations={:?})",
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closure_def_id,
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trait_ref,
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@ -525,7 +525,7 @@ impl<'a, 'gcx, 'tcx> TyCtxt<'a, 'gcx, 'tcx> {
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};
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ty::Binder((trait_ref, sig.skip_binder().suspend_ty, sig.skip_binder().return_ty))
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}
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pub fn impl_is_default(self, node_item_def_id: DefId) -> bool {
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match self.hir.as_local_node_id(node_item_def_id) {
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Some(node_id) => {
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@ -1401,7 +1401,7 @@ impl<'a, 'gcx, 'tcx> TyCtxt<'a, 'gcx, 'tcx> {
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self.mk_ty(TyClosure(closure_id, closure_substs))
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}
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pub fn mk_generator(self,
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pub fn mk_generator(self,
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id: DefId,
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closure_substs: ClosureSubsts<'tcx>,
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interior: GeneratorInterior<'tcx>)
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@ -541,7 +541,9 @@ macro_rules! define_maps {
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impl<$tcx> Query<$tcx> {
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pub fn describe(&self, tcx: TyCtxt) -> String {
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let (r, name) = match *self {
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$(Query::$name(key) => (queries::$name::describe(tcx, key), stringify!($name))),*
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$(Query::$name(key) => {
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(queries::$name::describe(tcx, key), stringify!($name))
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})*
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};
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if tcx.sess.verbose() {
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format!("{} [{}]", r, name)
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@ -304,13 +304,14 @@ impl<'a, 'tcx> Lift<'tcx> for ty::adjustment::AutoBorrow<'a> {
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impl<'a, 'tcx> Lift<'tcx> for ty::GenSig<'a> {
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type Lifted = ty::GenSig<'tcx>;
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fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Self::Lifted> {
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tcx.lift(&(self.impl_arg_ty, self.suspend_ty, self.return_ty)).map(|(impl_arg_ty, suspend_ty, return_ty)| {
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ty::GenSig {
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impl_arg_ty,
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suspend_ty,
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return_ty,
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}
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})
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tcx.lift(&(self.impl_arg_ty, self.suspend_ty, self.return_ty))
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.map(|(impl_arg_ty, suspend_ty, return_ty)| {
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ty::GenSig {
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impl_arg_ty,
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suspend_ty,
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return_ty,
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}
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})
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}
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}
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@ -572,7 +573,9 @@ impl<'tcx> TypeFoldable<'tcx> for Ty<'tcx> {
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ty::TyRef(ref r, tm) => {
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ty::TyRef(r.fold_with(folder), tm.fold_with(folder))
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}
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ty::TyGenerator(did, substs, interior) => ty::TyGenerator(did, substs.fold_with(folder), interior.fold_with(folder)),
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ty::TyGenerator(did, substs, interior) => {
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ty::TyGenerator(did, substs.fold_with(folder), interior.fold_with(folder))
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}
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ty::TyClosure(did, substs) => ty::TyClosure(did, substs.fold_with(folder)),
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ty::TyProjection(ref data) => ty::TyProjection(data.fold_with(folder)),
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ty::TyAnon(did, substs) => ty::TyAnon(did, substs.fold_with(folder)),
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@ -604,7 +607,9 @@ impl<'tcx> TypeFoldable<'tcx> for Ty<'tcx> {
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ty::TyFnDef(_, substs) => substs.visit_with(visitor),
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ty::TyFnPtr(ref f) => f.visit_with(visitor),
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ty::TyRef(r, ref tm) => r.visit_with(visitor) || tm.visit_with(visitor),
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ty::TyGenerator(_did, ref substs, ref interior) => substs.visit_with(visitor) || interior.visit_with(visitor),
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ty::TyGenerator(_did, ref substs, ref interior) => {
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substs.visit_with(visitor) || interior.visit_with(visitor)
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}
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ty::TyClosure(_did, ref substs) => substs.visit_with(visitor),
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ty::TyProjection(ref data) => data.visit_with(visitor),
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ty::TyAnon(_, ref substs) => substs.visit_with(visitor),
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@ -144,7 +144,7 @@ impl<'a, 'tcx> euv::Delegate<'tcx> for GatherLoanCtxt<'a, 'tcx> {
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},
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_ => false,
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};
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if borrows_impl_arg {
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span_err!(self.bccx.tcx.sess,
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borrow_span,
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@ -118,14 +118,14 @@ pub fn mir_build<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, def_id: DefId) -> Mir<'t
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});
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let arguments = implicit_argument.into_iter().chain(explicit_arguments);
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let (suspend_ty, impl_arg_ty, return_ty) = if body.is_generator() {
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let gen_sig = cx.tables().generator_sigs[&id].clone().unwrap();
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(Some(gen_sig.suspend_ty), Some(gen_sig.impl_arg_ty), gen_sig.return_ty)
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} else {
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(None, None, fn_sig.output())
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};
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build::construct_fn(cx, id, arguments, abi, return_ty, suspend_ty, impl_arg_ty, body)
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} else {
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build::construct_const(cx, body_id)
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@ -502,7 +502,7 @@ impl<'a, 'gcx, 'tcx> Builder<'a, 'gcx, 'tcx> {
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block,
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self.arg_count,
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true));
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// End all regions for scopes out of which we are breaking.
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self.cfg.push_end_region(block, src_info, scope.extent);
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@ -513,7 +513,7 @@ impl<'a, 'gcx, 'tcx> Builder<'a, 'gcx, 'tcx> {
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block = next;
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}
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}
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self.cfg.terminate(block, src_info, TerminatorKind::GeneratorDrop);
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Some(result)
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@ -778,7 +778,13 @@ impl<'a, 'gcx, 'tcx> Builder<'a, 'gcx, 'tcx> {
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};
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for scope in scopes.iter_mut() {
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target = build_diverge_scope(hir.tcx(), cfg, &unit_temp, span, scope, target, generator_drop);
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target = build_diverge_scope(hir.tcx(),
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cfg,
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&unit_temp,
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span,
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scope,
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target,
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generator_drop);
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}
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Some(target)
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}
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@ -858,7 +864,7 @@ fn build_scope_drops<'tcx>(cfg: &mut CFG<'tcx>,
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arg_count: usize,
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generator_drop: bool)
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-> BlockAnd<()> {
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let mut iter = scope.drops(generator_drop).iter().rev().peekable();
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while let Some(drop_data) = iter.next() {
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let source_info = scope.source_info(drop_data.span);
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@ -327,7 +327,8 @@ fn locals_live_across_suspend_points<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
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}
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}
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// The implicit argument is defined after each suspend point so it can never be live in a suspend point.
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// The implicit argument is defined after each suspend point so it can never
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// be live in a suspend point.
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set.remove(&Local::new(2));
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// The generator argument is ignored
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@ -340,7 +341,9 @@ fn compute_layout<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
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def_id: DefId,
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source: MirSource,
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interior: GeneratorInterior<'tcx>,
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mir: &mut Mir<'tcx>) -> (HashMap<Local, (Ty<'tcx>, usize)>, GeneratorLayout<'tcx>) {
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mir: &mut Mir<'tcx>)
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-> (HashMap<Local, (Ty<'tcx>, usize)>, GeneratorLayout<'tcx>)
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{
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let source_info = SourceInfo {
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span: mir.span,
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scope: ARGUMENT_VISIBILITY_SCOPE,
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@ -349,7 +352,7 @@ fn compute_layout<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
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let mut live_locals = locals_live_across_suspend_points(tcx, mir, source);
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let allowed = tcx.erase_regions(&interior.as_slice());
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for (local, decl) in mir.local_decls.iter_enumerated() {
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if !live_locals.contains(&local) {
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continue;
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@ -363,7 +366,10 @@ fn compute_layout<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
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}
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let upvar_len = mir.upvar_decls.len();
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let live_decls : Vec<_> = mir.local_decls.iter_enumerated_mut().filter(|&(local, _)| live_locals.contains(&local)).collect();
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let live_decls : Vec<_> = mir.local_decls
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.iter_enumerated_mut()
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.filter(|&(local, _)| live_locals.contains(&local))
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.collect();
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let mut remap = HashMap::new();
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let unit = tcx.mk_nil();
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@ -383,7 +389,7 @@ fn compute_layout<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
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let layout = GeneratorLayout {
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fields: vars
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};
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(remap, layout)
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}
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@ -421,7 +427,7 @@ fn elaborate_generator_drops<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
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_ => continue,
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};
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let unwind = if let Some(unwind) = unwind {
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Unwind::To(unwind)
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Unwind::To(unwind)
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} else {
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Unwind::InCleanup
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};
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@ -503,7 +509,7 @@ fn generate_drop<'a, 'tcx>(
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// Remove the implicit argument
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mir.arg_count = 1;
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mir.local_decls.raw.pop();
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// Replace the return variable
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let source_info = SourceInfo {
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span: mir.span,
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@ -524,7 +530,7 @@ fn generate_drop<'a, 'tcx>(
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mutability: Mutability::Mut,
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ty: tcx.mk_ptr(ty::TypeAndMut {
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ty: gen_ty,
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mutbl: hir::Mutability::MutMutable,
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mutbl: hir::Mutability::MutMutable,
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}),
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name: None,
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source_info,
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@ -650,7 +656,10 @@ fn generate_resume<'a, 'tcx>(
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values: Cow::from(transform.bb_targets.values().map(|&i| {
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ConstInt::U32(i)
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}).collect::<Vec<_>>()),
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targets: transform.bb_targets.keys().map(|&(k, _)| k).chain(once(transform.return_block)).collect(),
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targets: transform.bb_targets.keys()
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.map(|&(k, _)| k)
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.chain(once(transform.return_block))
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.collect(),
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};
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insert_entry_point(mir, BasicBlockData {
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@ -661,7 +670,7 @@ fn generate_resume<'a, 'tcx>(
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}),
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is_cleanup: false,
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});
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// Make sure we remove dead blocks to remove
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// unrelated code from the drop part of the function
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simplify::remove_dead_blocks(mir);
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|
@ -34,7 +34,10 @@ fn mirbug(tcx: TyCtxt, span: Span, msg: &str) {
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macro_rules! span_mirbug {
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($context:expr, $elem:expr, $($message:tt)*) => ({
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mirbug($context.tcx(), $context.last_span,
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&format!("broken MIR in {:?} ({:?}): {}", $context.body_id, $elem, format!($($message)*)))
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&format!("broken MIR in {:?} ({:?}): {}",
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$context.body_id,
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$elem,
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format_args!($($message)*)))
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})
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}
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@ -10,7 +10,8 @@
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//! Liveness analysis.
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// FIXME: Make sure this analysis uses proper MIR semantics. Also find out what the MIR semantics are.
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// FIXME: Make sure this analysis uses proper MIR semantics. Also find out what
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// the MIR semantics are.
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use rustc::mir::*;
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use rustc::mir::visit::{LvalueContext, Visitor};
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@ -188,7 +189,10 @@ pub fn write_mir_fn<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
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write_mir_intro(tcx, src, mir, w)?;
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for block in mir.basic_blocks().indices() {
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let print = |w: &mut Write, prefix, result: &IndexVec<BasicBlock, LocalSet>| {
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let live: Vec<String> = mir.local_decls.indices().filter(|i| result[block].contains(i)).map(|i| format!("{:?}", i)).collect();
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let live: Vec<String> = mir.local_decls.indices()
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.filter(|i| result[block].contains(i))
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.map(|i| format!("{:?}", i))
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.collect();
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writeln!(w, "{} {{{}}}", prefix, live.join(", "))
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};
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print(w, " ", &result.ins)?;
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@ -171,8 +171,12 @@ impl<'a, 'tcx> mir_visit::Visitor<'tcx> for StatCollector<'a, 'tcx> {
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self.record(match *msg {
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AssertMessage::BoundsCheck { .. } => "AssertMessage::BoundsCheck",
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AssertMessage::Math(..) => "AssertMessage::Math",
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AssertMessage::GeneratorResumedAfterReturn => "AssertMessage::GeneratorResumedAfterReturn",
|
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AssertMessage::GeneratorResumedAfterPanic => "AssertMessage::GeneratorResumedAfterPanic",
|
||||
AssertMessage::GeneratorResumedAfterReturn => {
|
||||
"AssertMessage::GeneratorResumedAfterReturn"
|
||||
}
|
||||
AssertMessage::GeneratorResumedAfterPanic => {
|
||||
"AssertMessage::GeneratorResumedAfterPanic"
|
||||
}
|
||||
}, msg);
|
||||
self.super_assert_message(msg, location);
|
||||
}
|
||||
|
@ -323,7 +323,7 @@ impl<'a, 'tcx> MirConstContext<'a, 'tcx> {
|
||||
ErrKind::Math(err.clone())
|
||||
}
|
||||
mir::AssertMessage::GeneratorResumedAfterReturn |
|
||||
mir::AssertMessage::GeneratorResumedAfterPanic =>
|
||||
mir::AssertMessage::GeneratorResumedAfterPanic =>
|
||||
span_bug!(span, "{:?} should not appear in constants?", msg),
|
||||
};
|
||||
|
||||
|
@ -528,7 +528,7 @@ fn arg_local_refs<'a, 'tcx>(bcx: &Builder<'a, 'tcx>,
|
||||
ty::TyRef(_, mt) | ty::TyRawPtr(mt) => (mt.ty, true),
|
||||
_ => (arg_ty, false)
|
||||
};
|
||||
|
||||
|
||||
let upvar_tys = match closure_ty.sty {
|
||||
ty::TyClosure(def_id, substs) |
|
||||
ty::TyGenerator(def_id, substs, _) => substs.upvar_tys(def_id, tcx),
|
||||
|
@ -33,7 +33,7 @@ impl<'a, 'gcx, 'tcx> FnCtxt<'a, 'gcx, 'tcx> {
|
||||
expr,
|
||||
expected);
|
||||
// FIXME: See if expected_kind here can impact generators
|
||||
|
||||
|
||||
// It's always helpful for inference if we know the kind of
|
||||
// closure sooner rather than later, so first examine the expected
|
||||
// type, and see if can glean a closure kind from there.
|
||||
|
@ -31,10 +31,13 @@ impl<'a, 'gcx, 'tcx> InteriorVisitor<'a, 'gcx, 'tcx> {
|
||||
if self.fcx.tcx.sess.verbose() {
|
||||
if let Some(s) = scope {
|
||||
self.fcx.tcx.sess.span_warn(s.span(&self.fcx.tcx.hir).unwrap_or(DUMMY_SP),
|
||||
&format!("type in generator with scope = {:?}, type = {:?}", scope, self.fcx.resolve_type_vars_if_possible(&ty)));
|
||||
&format!("type in generator with scope = {:?}, type = {:?}",
|
||||
scope,
|
||||
self.fcx.resolve_type_vars_if_possible(&ty)));
|
||||
} else {
|
||||
self.fcx.tcx.sess.span_warn(DUMMY_SP,
|
||||
&format!("type in generator WITHOUT scope, type = {:?}", self.fcx.resolve_type_vars_if_possible(&ty)));
|
||||
&format!("type in generator WITHOUT scope, type = {:?}",
|
||||
self.fcx.resolve_type_vars_if_possible(&ty)));
|
||||
}
|
||||
if let Some(e) = expr {
|
||||
self.fcx.tcx.sess.span_warn(e.span,
|
||||
@ -51,7 +54,10 @@ impl<'a, 'gcx, 'tcx> InteriorVisitor<'a, 'gcx, 'tcx> {
|
||||
}
|
||||
}
|
||||
|
||||
pub fn find_interior<'a, 'gcx, 'tcx>(fcx: &'a FnCtxt<'a, 'gcx, 'tcx>, def_id: DefId, body_id: hir::BodyId, witness: Ty<'tcx>) {
|
||||
pub fn find_interior<'a, 'gcx, 'tcx>(fcx: &'a FnCtxt<'a, 'gcx, 'tcx>,
|
||||
def_id: DefId,
|
||||
body_id: hir::BodyId,
|
||||
witness: Ty<'tcx>) {
|
||||
let body = fcx.tcx.hir.body(body_id);
|
||||
let mut visitor = InteriorVisitor {
|
||||
fcx,
|
||||
@ -64,7 +70,9 @@ pub fn find_interior<'a, 'gcx, 'tcx>(fcx: &'a FnCtxt<'a, 'gcx, 'tcx>, def_id: De
|
||||
visitor.types.insert(fcx.tcx.types.bool);
|
||||
|
||||
// Deduplicate types
|
||||
let set: FxHashSet<_> = visitor.types.into_iter().map(|t| fcx.resolve_type_vars_if_possible(&t)).collect();
|
||||
let set: FxHashSet<_> = visitor.types.into_iter()
|
||||
.map(|t| fcx.resolve_type_vars_if_possible(&t))
|
||||
.collect();
|
||||
let types: Vec<_> = set.into_iter().collect();
|
||||
|
||||
let tuple = fcx.tcx.intern_tup(&types, false);
|
||||
|
@ -2567,7 +2567,7 @@ impl<'a, 'gcx, 'tcx> FnCtxt<'a, 'gcx, 'tcx> {
|
||||
}
|
||||
|
||||
let is_closure = match arg.node {
|
||||
// TODO: Should this be applied for generators?
|
||||
// FIXME: Should this be applied for generators?
|
||||
hir::ExprClosure(.., None) => true,
|
||||
_ => false
|
||||
};
|
||||
|
@ -1159,7 +1159,7 @@ fn type_of<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
|
||||
if gen.is_some() {
|
||||
return tcx.typeck_tables_of(def_id).node_id_to_type(node_id);
|
||||
}
|
||||
|
||||
|
||||
tcx.mk_closure(def_id, Substs::for_item(
|
||||
tcx, def_id,
|
||||
|def, _| {
|
||||
|
@ -3714,7 +3714,7 @@ impl<'a> Parser<'a> {
|
||||
self.token.is_keyword(keywords::Gen) &&
|
||||
self.look_ahead(1, |t| t.is_keyword(keywords::Arg))
|
||||
}
|
||||
|
||||
|
||||
fn is_defaultness(&self) -> bool {
|
||||
// `pub` is included for better error messages
|
||||
self.token.is_keyword(keywords::Default) &&
|
||||
|
@ -11,15 +11,15 @@
|
||||
#![feature(generators)]
|
||||
|
||||
fn main() {
|
||||
let mut a = Vec::<bool>::new();
|
||||
let mut a = Vec::<bool>::new();
|
||||
|
||||
let mut test = || {
|
||||
let _: () = gen arg;
|
||||
yield 3;
|
||||
a.push(true);
|
||||
2
|
||||
};
|
||||
let mut test = || {
|
||||
let _: () = gen arg;
|
||||
yield 3;
|
||||
a.push(true);
|
||||
2
|
||||
};
|
||||
|
||||
let a1 = test();
|
||||
let a2 = test(); //~ ERROR use of moved value
|
||||
let a1 = test();
|
||||
let a2 = test(); //~ ERROR use of moved value
|
||||
}
|
||||
|
@ -26,19 +26,19 @@ impl<T: Generator<Return = ()>> Iterator for W<T> {
|
||||
}
|
||||
|
||||
fn test() -> impl Generator<Return=(), Yield=u8> {
|
||||
for i in 1..6 {
|
||||
yield i
|
||||
}
|
||||
for i in 1..6 {
|
||||
yield i
|
||||
}
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let end = 11;
|
||||
let end = 11;
|
||||
|
||||
let closure_test = |start| {
|
||||
for i in start..end {
|
||||
yield i
|
||||
}
|
||||
};
|
||||
let closure_test = |start| {
|
||||
for i in start..end {
|
||||
yield i
|
||||
}
|
||||
};
|
||||
|
||||
assert!(W(test()).chain(W(closure_test(6))).eq(1..11));
|
||||
assert!(W(test()).chain(W(closure_test(6))).eq(1..11));
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user