ast_lowering: Introduce lower_span
for catching all spans entering HIR
This commit is contained in:
parent
757a65bfdf
commit
59013cdebe
6 changed files with 330 additions and 169 deletions
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@ -128,7 +128,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
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hir::InlineAsmOperand::Sym { expr: self.lower_expr_mut(expr) }
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}
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};
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(op, *op_sp)
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(op, self.lower_span(*op_sp))
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})
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.collect();
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@ -384,7 +384,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
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late: true,
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expr: None,
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},
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abi_span,
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self.lower_span(abi_span),
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));
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}
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}
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@ -392,8 +392,13 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
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let operands = self.arena.alloc_from_iter(operands);
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let template = self.arena.alloc_from_iter(asm.template.iter().cloned());
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let template_strs = self.arena.alloc_from_iter(asm.template_strs.iter().cloned());
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let line_spans = self.arena.alloc_slice(&asm.line_spans[..]);
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let template_strs = self.arena.alloc_from_iter(
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asm.template_strs
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.iter()
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.map(|(sym, snippet, span)| (*sym, *snippet, self.lower_span(*span))),
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);
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let line_spans =
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self.arena.alloc_from_iter(asm.line_spans.iter().map(|span| self.lower_span(*span)));
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let hir_asm =
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hir::InlineAsm { template, template_strs, operands, options: asm.options, line_spans };
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self.arena.alloc(hir_asm)
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@ -58,7 +58,12 @@ impl<'hir> LoweringContext<'_, 'hir> {
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None,
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));
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let args = self.lower_exprs(args);
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hir::ExprKind::MethodCall(hir_seg, seg.ident.span, args, span)
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hir::ExprKind::MethodCall(
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hir_seg,
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self.lower_span(seg.ident.span),
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args,
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self.lower_span(span),
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)
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}
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ExprKind::Binary(binop, ref lhs, ref rhs) => {
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let binop = self.lower_binop(binop);
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@ -71,7 +76,9 @@ impl<'hir> LoweringContext<'_, 'hir> {
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let ohs = self.lower_expr(ohs);
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hir::ExprKind::Unary(op, ohs)
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}
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ExprKind::Lit(ref l) => hir::ExprKind::Lit(respan(l.span, l.kind.clone())),
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ExprKind::Lit(ref l) => {
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hir::ExprKind::Lit(respan(self.lower_span(l.span), l.kind.clone()))
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}
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ExprKind::Cast(ref expr, ref ty) => {
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let expr = self.lower_expr(expr);
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let ty = self.lower_ty(ty, ImplTraitContext::disallowed());
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@ -86,9 +93,11 @@ impl<'hir> LoweringContext<'_, 'hir> {
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let ohs = self.lower_expr(ohs);
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hir::ExprKind::AddrOf(k, m, ohs)
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}
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ExprKind::Let(ref pat, ref scrutinee, span) => {
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hir::ExprKind::Let(self.lower_pat(pat), self.lower_expr(scrutinee), span)
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}
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ExprKind::Let(ref pat, ref scrutinee, span) => hir::ExprKind::Let(
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self.lower_pat(pat),
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self.lower_expr(scrutinee),
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self.lower_span(span),
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),
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ExprKind::If(ref cond, ref then, ref else_opt) => {
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self.lower_expr_if(cond, then, else_opt.as_deref())
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}
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@ -99,7 +108,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
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ExprKind::Loop(ref body, opt_label) => self.with_loop_scope(e.id, |this| {
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hir::ExprKind::Loop(
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this.lower_block(body, false),
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opt_label,
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this.lower_label(opt_label),
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hir::LoopSource::Loop,
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DUMMY_SP,
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)
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@ -147,6 +156,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
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}
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}
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ExprKind::Block(ref blk, opt_label) => {
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let opt_label = self.lower_label(opt_label);
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hir::ExprKind::Block(self.lower_block(blk, opt_label.is_some()), opt_label)
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}
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ExprKind::Assign(ref el, ref er, span) => {
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@ -157,7 +167,9 @@ impl<'hir> LoweringContext<'_, 'hir> {
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self.lower_expr(el),
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self.lower_expr(er),
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),
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ExprKind::Field(ref el, ident) => hir::ExprKind::Field(self.lower_expr(el), ident),
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ExprKind::Field(ref el, ident) => {
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hir::ExprKind::Field(self.lower_expr(el), self.lower_ident(ident))
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}
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ExprKind::Index(ref el, ref er) => {
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hir::ExprKind::Index(self.lower_expr(el), self.lower_expr(er))
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}
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@ -234,7 +246,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
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let mut ex = self.lower_expr_mut(ex);
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// Include parens in span, but only if it is a super-span.
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if e.span.contains(ex.span) {
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ex.span = e.span;
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ex.span = self.lower_span(e.span);
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}
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// Merge attributes into the inner expression.
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if !e.attrs.is_empty() {
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@ -262,7 +274,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
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let hir_id = self.lower_node_id(e.id);
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self.lower_attrs(hir_id, &e.attrs);
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hir::Expr { hir_id, kind, span: e.span }
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hir::Expr { hir_id, kind, span: self.lower_span(e.span) }
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})
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}
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@ -296,7 +308,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
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BinOpKind::Ge => hir::BinOpKind::Ge,
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BinOpKind::Gt => hir::BinOpKind::Gt,
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},
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span: b.span,
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span: self.lower_span(b.span),
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}
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}
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@ -478,7 +490,13 @@ impl<'hir> LoweringContext<'_, 'hir> {
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});
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let hir_id = self.next_id();
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self.lower_attrs(hir_id, &arm.attrs);
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hir::Arm { hir_id, pat, guard, body: self.lower_expr(&arm.body), span: arm.span }
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hir::Arm {
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hir_id,
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pat,
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guard,
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body: self.lower_expr(&arm.body),
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span: self.lower_span(arm.span),
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}
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}
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/// Lower an `async` construct to a generator that is then wrapped so it implements `Future`.
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@ -501,12 +519,16 @@ impl<'hir> LoweringContext<'_, 'hir> {
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) -> hir::ExprKind<'hir> {
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let output = match ret_ty {
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Some(ty) => hir::FnRetTy::Return(self.lower_ty(&ty, ImplTraitContext::disallowed())),
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None => hir::FnRetTy::DefaultReturn(span),
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None => hir::FnRetTy::DefaultReturn(self.lower_span(span)),
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};
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// Resume argument type. We let the compiler infer this to simplify the lowering. It is
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// fully constrained by `future::from_generator`.
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let input_ty = hir::Ty { hir_id: self.next_id(), kind: hir::TyKind::Infer, span };
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let input_ty = hir::Ty {
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hir_id: self.next_id(),
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kind: hir::TyKind::Infer,
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span: self.lower_span(span),
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};
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// The closure/generator `FnDecl` takes a single (resume) argument of type `input_ty`.
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let decl = self.arena.alloc(hir::FnDecl {
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@ -522,7 +544,12 @@ impl<'hir> LoweringContext<'_, 'hir> {
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Ident::with_dummy_span(sym::_task_context),
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hir::BindingAnnotation::Mutable,
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);
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let param = hir::Param { hir_id: self.next_id(), pat, ty_span: span, span };
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let param = hir::Param {
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hir_id: self.next_id(),
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pat,
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ty_span: self.lower_span(span),
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span: self.lower_span(span),
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};
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let params = arena_vec![self; param];
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let body_id = self.lower_body(move |this| {
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@ -540,11 +567,14 @@ impl<'hir> LoweringContext<'_, 'hir> {
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capture_clause,
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decl,
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body_id,
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span,
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self.lower_span(span),
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Some(hir::Movability::Static),
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);
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let generator =
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hir::Expr { hir_id: self.lower_node_id(closure_node_id), kind: generator_kind, span };
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let generator = hir::Expr {
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hir_id: self.lower_node_id(closure_node_id),
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kind: generator_kind,
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span: self.lower_span(span),
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};
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// `future::from_generator`:
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let unstable_span =
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@ -681,8 +711,11 @@ impl<'hir> LoweringContext<'_, 'hir> {
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if let Some(task_context_hid) = self.task_context {
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let lhs = self.expr_ident(span, task_context_ident, task_context_hid);
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let assign =
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self.expr(span, hir::ExprKind::Assign(lhs, yield_expr, span), AttrVec::new());
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let assign = self.expr(
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span,
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hir::ExprKind::Assign(lhs, yield_expr, self.lower_span(span)),
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AttrVec::new(),
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);
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self.stmt_expr(span, assign)
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} else {
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// Use of `await` outside of an async context. Return `yield_expr` so that we can
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@ -696,8 +729,13 @@ impl<'hir> LoweringContext<'_, 'hir> {
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// loop { .. }
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let loop_expr = self.arena.alloc(hir::Expr {
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hir_id: loop_hir_id,
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kind: hir::ExprKind::Loop(loop_block, None, hir::LoopSource::Loop, span),
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span,
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kind: hir::ExprKind::Loop(
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loop_block,
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None,
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hir::LoopSource::Loop,
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self.lower_span(span),
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),
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span: self.lower_span(span),
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});
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// mut pinned => loop { ... }
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@ -735,7 +773,13 @@ impl<'hir> LoweringContext<'_, 'hir> {
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// Lower outside new scope to preserve `is_in_loop_condition`.
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let fn_decl = self.lower_fn_decl(decl, None, false, None);
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hir::ExprKind::Closure(capture_clause, fn_decl, body_id, fn_decl_span, generator_option)
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hir::ExprKind::Closure(
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capture_clause,
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fn_decl,
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body_id,
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self.lower_span(fn_decl_span),
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generator_option,
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)
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}
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fn generator_movability_for_fn(
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@ -821,7 +865,13 @@ impl<'hir> LoweringContext<'_, 'hir> {
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// closure argument types.
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let fn_decl = self.lower_fn_decl(&outer_decl, None, false, None);
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hir::ExprKind::Closure(capture_clause, fn_decl, body_id, fn_decl_span, None)
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hir::ExprKind::Closure(
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capture_clause,
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fn_decl,
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body_id,
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self.lower_span(fn_decl_span),
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None,
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)
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}
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/// Destructure the LHS of complex assignments.
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@ -853,7 +903,11 @@ impl<'hir> LoweringContext<'_, 'hir> {
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}
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}
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if is_ordinary(self, lhs) {
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return hir::ExprKind::Assign(self.lower_expr(lhs), self.lower_expr(rhs), eq_sign_span);
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return hir::ExprKind::Assign(
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self.lower_expr(lhs),
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self.lower_expr(rhs),
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self.lower_span(eq_sign_span),
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);
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}
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if !self.sess.features_untracked().destructuring_assignment {
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feature_err(
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@ -878,7 +932,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
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whole_span,
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Some(rhs),
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pat,
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hir::LocalSource::AssignDesugar(eq_sign_span),
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hir::LocalSource::AssignDesugar(self.lower_span(eq_sign_span)),
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);
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// `a = lhs1; b = lhs2;`.
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@ -978,10 +1032,10 @@ impl<'hir> LoweringContext<'_, 'hir> {
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let pat = self.destructure_assign(&f.expr, eq_sign_span, assignments);
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hir::PatField {
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hir_id: self.next_id(),
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ident: f.ident,
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ident: self.lower_ident(f.ident),
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pat,
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is_shorthand: f.is_shorthand,
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span: f.span,
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span: self.lower_span(f.span),
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}
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}));
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let qpath = self.lower_qpath(
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@ -1033,10 +1087,11 @@ impl<'hir> LoweringContext<'_, 'hir> {
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_ => {}
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}
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// Treat all other cases as normal lvalue.
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let ident = Ident::new(sym::lhs, lhs.span);
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let ident = Ident::new(sym::lhs, self.lower_span(lhs.span));
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let (pat, binding) = self.pat_ident_mut(lhs.span, ident);
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let ident = self.expr_ident(lhs.span, ident, binding);
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let assign = hir::ExprKind::Assign(self.lower_expr(lhs), ident, eq_sign_span);
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let assign =
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hir::ExprKind::Assign(self.lower_expr(lhs), ident, self.lower_span(eq_sign_span));
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let expr = self.expr(lhs.span, assign, ThinVec::new());
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assignments.push(self.stmt_expr(lhs.span, expr));
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pat
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@ -1076,7 +1131,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
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fn lower_expr_range_closed(&mut self, span: Span, e1: &Expr, e2: &Expr) -> hir::ExprKind<'hir> {
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let e1 = self.lower_expr_mut(e1);
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let e2 = self.lower_expr_mut(e2);
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let fn_path = hir::QPath::LangItem(hir::LangItem::RangeInclusiveNew, span);
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let fn_path = hir::QPath::LangItem(hir::LangItem::RangeInclusiveNew, self.lower_span(span));
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let fn_expr =
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self.arena.alloc(self.expr(span, hir::ExprKind::Path(fn_path), ThinVec::new()));
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hir::ExprKind::Call(fn_expr, arena_vec![self; e1, e2])
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@ -1104,12 +1159,21 @@ impl<'hir> LoweringContext<'_, 'hir> {
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let fields = self.arena.alloc_from_iter(
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e1.iter().map(|e| ("start", e)).chain(e2.iter().map(|e| ("end", e))).map(|(s, e)| {
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let expr = self.lower_expr(&e);
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let ident = Ident::new(Symbol::intern(s), e.span);
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let ident = Ident::new(Symbol::intern(s), self.lower_span(e.span));
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self.expr_field(ident, expr, e.span)
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}),
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);
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hir::ExprKind::Struct(self.arena.alloc(hir::QPath::LangItem(lang_item, span)), fields, None)
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hir::ExprKind::Struct(
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self.arena.alloc(hir::QPath::LangItem(lang_item, self.lower_span(span))),
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fields,
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None,
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)
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}
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fn lower_label(&self, opt_label: Option<Label>) -> Option<Label> {
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let label = opt_label?;
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Some(Label { ident: self.lower_ident(label.ident) })
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}
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fn lower_loop_destination(&mut self, destination: Option<(NodeId, Label)>) -> hir::Destination {
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@ -1128,7 +1192,8 @@ impl<'hir> LoweringContext<'_, 'hir> {
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.map(|id| Ok(self.lower_node_id(id)))
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.unwrap_or(Err(hir::LoopIdError::OutsideLoopScope)),
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};
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hir::Destination { label: destination.map(|(_, label)| label), target_id }
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let label = self.lower_label(destination.map(|(_, label)| label));
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hir::Destination { label, target_id }
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}
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fn lower_jump_destination(&mut self, id: NodeId, opt_label: Option<Label>) -> hir::Destination {
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@ -1201,7 +1266,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
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constraint: out.constraint,
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is_rw: out.is_rw,
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is_indirect: out.is_indirect,
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span: out.expr.span,
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span: self.lower_span(out.expr.span),
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})
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.collect(),
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asm: asm.asm,
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@ -1226,9 +1291,9 @@ impl<'hir> LoweringContext<'_, 'hir> {
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fn lower_expr_field(&mut self, f: &ExprField) -> hir::ExprField<'hir> {
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hir::ExprField {
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hir_id: self.next_id(),
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ident: f.ident,
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ident: self.lower_ident(f.ident),
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expr: self.lower_expr(&f.expr),
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span: f.span,
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span: self.lower_span(f.span),
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is_shorthand: f.is_shorthand,
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}
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}
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@ -1289,7 +1354,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
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orig_head_span,
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None,
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);
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head.span = desugared_span;
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head.span = self.lower_span(desugared_span);
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let iter = Ident::with_dummy_span(sym::iter);
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@ -1308,7 +1373,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
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let next_expr = self.expr_ident(pat.span, next_ident, next_pat_hid);
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let assign = self.arena.alloc(self.expr(
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pat.span,
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hir::ExprKind::Assign(next_expr, val_expr, pat.span),
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hir::ExprKind::Assign(next_expr, val_expr, self.lower_span(pat.span)),
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ThinVec::new(),
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));
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let some_pat = self.pat_some(pat.span, val_pat);
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|
@ -1376,12 +1441,15 @@ impl<'hir> LoweringContext<'_, 'hir> {
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// `[opt_ident]: loop { ... }`
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let kind = hir::ExprKind::Loop(
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loop_block,
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opt_label,
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self.lower_label(opt_label),
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hir::LoopSource::ForLoop,
|
||||
e.span.with_hi(orig_head_span.hi()),
|
||||
self.lower_span(e.span.with_hi(orig_head_span.hi())),
|
||||
);
|
||||
let loop_expr =
|
||||
self.arena.alloc(hir::Expr { hir_id: self.lower_node_id(e.id), kind, span: e.span });
|
||||
let loop_expr = self.arena.alloc(hir::Expr {
|
||||
hir_id: self.lower_node_id(e.id),
|
||||
kind,
|
||||
span: self.lower_span(e.span),
|
||||
});
|
||||
|
||||
// `mut iter => { ... }`
|
||||
let iter_arm = self.arm(iter_pat, loop_expr);
|
||||
|
@ -1460,8 +1528,8 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
let attr = {
|
||||
// `allow(unreachable_code)`
|
||||
let allow = {
|
||||
let allow_ident = Ident::new(sym::allow, span);
|
||||
let uc_ident = Ident::new(sym::unreachable_code, span);
|
||||
let allow_ident = Ident::new(sym::allow, self.lower_span(span));
|
||||
let uc_ident = Ident::new(sym::unreachable_code, self.lower_span(span));
|
||||
let uc_nested = attr::mk_nested_word_item(uc_ident);
|
||||
attr::mk_list_item(allow_ident, vec![uc_nested])
|
||||
};
|
||||
|
@ -1630,7 +1698,11 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
lang_item: hir::LangItem,
|
||||
attrs: AttrVec,
|
||||
) -> hir::Expr<'hir> {
|
||||
self.expr(span, hir::ExprKind::Path(hir::QPath::LangItem(lang_item, span)), attrs)
|
||||
self.expr(
|
||||
span,
|
||||
hir::ExprKind::Path(hir::QPath::LangItem(lang_item, self.lower_span(span))),
|
||||
attrs,
|
||||
)
|
||||
}
|
||||
|
||||
pub(super) fn expr_ident(
|
||||
|
@ -1661,7 +1733,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
let expr_path = hir::ExprKind::Path(hir::QPath::Resolved(
|
||||
None,
|
||||
self.arena.alloc(hir::Path {
|
||||
span,
|
||||
span: self.lower_span(span),
|
||||
res: Res::Local(binding),
|
||||
segments: arena_vec![self; hir::PathSegment::from_ident(ident)],
|
||||
}),
|
||||
|
@ -1681,7 +1753,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
expr: Some(expr),
|
||||
hir_id,
|
||||
rules: hir::BlockCheckMode::UnsafeBlock(hir::UnsafeSource::CompilerGenerated),
|
||||
span,
|
||||
span: self.lower_span(span),
|
||||
targeted_by_break: false,
|
||||
}),
|
||||
None,
|
||||
|
@ -1712,7 +1784,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
) -> hir::Expr<'hir> {
|
||||
let hir_id = self.next_id();
|
||||
self.lower_attrs(hir_id, &attrs);
|
||||
hir::Expr { hir_id, kind, span }
|
||||
hir::Expr { hir_id, kind, span: self.lower_span(span) }
|
||||
}
|
||||
|
||||
fn expr_field(
|
||||
|
@ -1721,10 +1793,22 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
expr: &'hir hir::Expr<'hir>,
|
||||
span: Span,
|
||||
) -> hir::ExprField<'hir> {
|
||||
hir::ExprField { hir_id: self.next_id(), ident, span, expr, is_shorthand: false }
|
||||
hir::ExprField {
|
||||
hir_id: self.next_id(),
|
||||
ident,
|
||||
span: self.lower_span(span),
|
||||
expr,
|
||||
is_shorthand: false,
|
||||
}
|
||||
}
|
||||
|
||||
fn arm(&mut self, pat: &'hir hir::Pat<'hir>, expr: &'hir hir::Expr<'hir>) -> hir::Arm<'hir> {
|
||||
hir::Arm { hir_id: self.next_id(), pat, guard: None, span: expr.span, body: expr }
|
||||
hir::Arm {
|
||||
hir_id: self.next_id(),
|
||||
pat,
|
||||
guard: None,
|
||||
span: self.lower_span(expr.span),
|
||||
body: expr,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
@ -158,7 +158,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
|
||||
pub(super) fn lower_mod(&mut self, items: &[P<Item>], inner: Span) -> hir::Mod<'hir> {
|
||||
hir::Mod {
|
||||
inner,
|
||||
inner: self.lower_span(inner),
|
||||
item_ids: self.arena.alloc_from_iter(items.iter().flat_map(|x| self.lower_item_id(x))),
|
||||
}
|
||||
}
|
||||
|
@ -214,7 +214,13 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
let hir_id = self.lower_node_id(i.id);
|
||||
let attrs = self.lower_attrs(hir_id, &i.attrs);
|
||||
let kind = self.lower_item_kind(i.span, i.id, hir_id, &mut ident, attrs, &mut vis, &i.kind);
|
||||
Some(hir::Item { def_id: hir_id.expect_owner(), ident, kind, vis, span: i.span })
|
||||
Some(hir::Item {
|
||||
def_id: hir_id.expect_owner(),
|
||||
ident: self.lower_ident(ident),
|
||||
kind,
|
||||
vis,
|
||||
span: self.lower_span(i.span),
|
||||
})
|
||||
}
|
||||
|
||||
fn lower_item_kind(
|
||||
|
@ -278,7 +284,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
let sig = hir::FnSig {
|
||||
decl,
|
||||
header: this.lower_fn_header(header, fn_sig_span, id),
|
||||
span: fn_sig_span,
|
||||
span: this.lower_span(fn_sig_span),
|
||||
};
|
||||
hir::ItemKind::Fn(sig, generics, body_id)
|
||||
})
|
||||
|
@ -407,6 +413,10 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
// to not cause an assertion failure inside the `lower_defaultness` function.
|
||||
let has_val = true;
|
||||
let (defaultness, defaultness_span) = self.lower_defaultness(defaultness, has_val);
|
||||
let polarity = match polarity {
|
||||
ImplPolarity::Positive => ImplPolarity::Positive,
|
||||
ImplPolarity::Negative(s) => ImplPolarity::Negative(self.lower_span(s)),
|
||||
};
|
||||
hir::ItemKind::Impl(hir::Impl {
|
||||
unsafety: self.lower_unsafety(unsafety),
|
||||
polarity,
|
||||
|
@ -525,10 +535,10 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
|
||||
this.insert_item(hir::Item {
|
||||
def_id: new_id.expect_owner(),
|
||||
ident,
|
||||
ident: this.lower_ident(ident),
|
||||
kind,
|
||||
vis,
|
||||
span,
|
||||
span: this.lower_span(span),
|
||||
});
|
||||
});
|
||||
}
|
||||
|
@ -599,10 +609,10 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
|
||||
this.insert_item(hir::Item {
|
||||
def_id: new_hir_id.expect_owner(),
|
||||
ident,
|
||||
ident: this.lower_ident(ident),
|
||||
kind,
|
||||
vis,
|
||||
span: use_tree.span,
|
||||
span: this.lower_span(use_tree.span),
|
||||
});
|
||||
});
|
||||
}
|
||||
|
@ -621,7 +631,10 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
hir::VisibilityKind::Public
|
||||
| hir::VisibilityKind::Crate(_)
|
||||
| hir::VisibilityKind::Inherited => {
|
||||
*vis = respan(prefix.span.shrink_to_lo(), hir::VisibilityKind::Inherited);
|
||||
*vis = respan(
|
||||
self.lower_span(prefix.span.shrink_to_lo()),
|
||||
hir::VisibilityKind::Inherited,
|
||||
);
|
||||
}
|
||||
hir::VisibilityKind::Restricted { .. } => {
|
||||
// Do nothing here, as described in the comment on the match.
|
||||
|
@ -664,7 +677,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
}
|
||||
}
|
||||
};
|
||||
respan(vis.span, vis_kind)
|
||||
respan(self.lower_span(vis.span), vis_kind)
|
||||
}
|
||||
|
||||
fn lower_foreign_item(&mut self, i: &ForeignItem) -> hir::ForeignItem<'hir> {
|
||||
|
@ -673,7 +686,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
self.lower_attrs(hir_id, &i.attrs);
|
||||
hir::ForeignItem {
|
||||
def_id,
|
||||
ident: i.ident,
|
||||
ident: self.lower_ident(i.ident),
|
||||
kind: match i.kind {
|
||||
ForeignItemKind::Fn(box FnKind(_, ref sig, ref generics, _)) => {
|
||||
let fdec = &sig.decl;
|
||||
|
@ -700,15 +713,15 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
ForeignItemKind::MacCall(_) => panic!("macro shouldn't exist here"),
|
||||
},
|
||||
vis: self.lower_visibility(&i.vis, None),
|
||||
span: i.span,
|
||||
span: self.lower_span(i.span),
|
||||
}
|
||||
}
|
||||
|
||||
fn lower_foreign_item_ref(&mut self, i: &ForeignItem) -> hir::ForeignItemRef<'hir> {
|
||||
hir::ForeignItemRef {
|
||||
id: hir::ForeignItemId { def_id: self.lower_node_id(i.id).expect_owner() },
|
||||
ident: i.ident,
|
||||
span: i.span,
|
||||
ident: self.lower_ident(i.ident),
|
||||
span: self.lower_span(i.span),
|
||||
vis: self.lower_visibility(&i.vis, Some(i.id)),
|
||||
}
|
||||
}
|
||||
|
@ -720,8 +733,8 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
id,
|
||||
data: self.lower_variant_data(id, &v.data),
|
||||
disr_expr: v.disr_expr.as_ref().map(|e| self.lower_anon_const(e)),
|
||||
ident: v.ident,
|
||||
span: v.span,
|
||||
ident: self.lower_ident(v.ident),
|
||||
span: self.lower_span(v.span),
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -773,12 +786,12 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
let hir_id = self.lower_node_id(f.id);
|
||||
self.lower_attrs(hir_id, &f.attrs);
|
||||
hir::FieldDef {
|
||||
span: f.span,
|
||||
span: self.lower_span(f.span),
|
||||
hir_id,
|
||||
ident: match f.ident {
|
||||
Some(ident) => ident,
|
||||
Some(ident) => self.lower_ident(ident),
|
||||
// FIXME(jseyfried): positional field hygiene.
|
||||
None => Ident::new(sym::integer(index), f.span),
|
||||
None => Ident::new(sym::integer(index), self.lower_span(f.span)),
|
||||
},
|
||||
vis: self.lower_visibility(&f.vis, None),
|
||||
ty,
|
||||
|
@ -829,7 +842,13 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
};
|
||||
|
||||
self.lower_attrs(hir_id, &i.attrs);
|
||||
hir::TraitItem { def_id: trait_item_def_id, ident: i.ident, generics, kind, span: i.span }
|
||||
hir::TraitItem {
|
||||
def_id: trait_item_def_id,
|
||||
ident: self.lower_ident(i.ident),
|
||||
generics,
|
||||
kind,
|
||||
span: self.lower_span(i.span),
|
||||
}
|
||||
}
|
||||
|
||||
fn lower_trait_item_ref(&mut self, i: &AssocItem) -> hir::TraitItemRef {
|
||||
|
@ -845,7 +864,13 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
};
|
||||
let id = hir::TraitItemId { def_id: self.lower_node_id(i.id).expect_owner() };
|
||||
let defaultness = hir::Defaultness::Default { has_value: has_default };
|
||||
hir::TraitItemRef { id, ident: i.ident, span: i.span, defaultness, kind }
|
||||
hir::TraitItemRef {
|
||||
id,
|
||||
ident: self.lower_ident(i.ident),
|
||||
span: self.lower_span(i.span),
|
||||
defaultness,
|
||||
kind,
|
||||
}
|
||||
}
|
||||
|
||||
/// Construct `ExprKind::Err` for the given `span`.
|
||||
|
@ -910,12 +935,12 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
self.lower_attrs(hir_id, &i.attrs);
|
||||
hir::ImplItem {
|
||||
def_id: hir_id.expect_owner(),
|
||||
ident: i.ident,
|
||||
ident: self.lower_ident(i.ident),
|
||||
generics,
|
||||
vis: self.lower_visibility(&i.vis, None),
|
||||
defaultness,
|
||||
kind,
|
||||
span: i.span,
|
||||
span: self.lower_span(i.span),
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -925,8 +950,8 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
let (defaultness, _) = self.lower_defaultness(i.kind.defaultness(), has_value);
|
||||
hir::ImplItemRef {
|
||||
id: hir::ImplItemId { def_id: self.lower_node_id(i.id).expect_owner() },
|
||||
ident: i.ident,
|
||||
span: i.span,
|
||||
ident: self.lower_ident(i.ident),
|
||||
span: self.lower_span(i.span),
|
||||
vis: self.lower_visibility(&i.vis, Some(i.id)),
|
||||
defaultness,
|
||||
kind: match &i.kind {
|
||||
|
@ -969,7 +994,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
}
|
||||
VisibilityKind::Inherited => hir::VisibilityKind::Inherited,
|
||||
};
|
||||
respan(v.span, node)
|
||||
respan(self.lower_span(v.span), node)
|
||||
}
|
||||
|
||||
fn lower_defaultness(
|
||||
|
@ -978,7 +1003,9 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
has_value: bool,
|
||||
) -> (hir::Defaultness, Option<Span>) {
|
||||
match d {
|
||||
Defaultness::Default(sp) => (hir::Defaultness::Default { has_value }, Some(sp)),
|
||||
Defaultness::Default(sp) => {
|
||||
(hir::Defaultness::Default { has_value }, Some(self.lower_span(sp)))
|
||||
}
|
||||
Defaultness::Final => {
|
||||
assert!(has_value);
|
||||
(hir::Defaultness::Final, None)
|
||||
|
@ -1016,8 +1043,8 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
hir::Param {
|
||||
hir_id,
|
||||
pat: self.lower_pat(¶m.pat),
|
||||
ty_span: param.ty.span,
|
||||
span: param.span,
|
||||
ty_span: self.lower_span(param.ty.span),
|
||||
span: self.lower_span(param.span),
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -1151,8 +1178,8 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
let new_parameter = hir::Param {
|
||||
hir_id: parameter.hir_id,
|
||||
pat: new_parameter_pat,
|
||||
ty_span: parameter.ty_span,
|
||||
span: parameter.span,
|
||||
ty_span: this.lower_span(parameter.ty_span),
|
||||
span: this.lower_span(parameter.span),
|
||||
};
|
||||
|
||||
if is_simple_parameter {
|
||||
|
@ -1285,7 +1312,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
)
|
||||
},
|
||||
);
|
||||
(generics, hir::FnSig { header, decl, span: sig.span })
|
||||
(generics, hir::FnSig { header, decl, span: self.lower_span(sig.span) })
|
||||
}
|
||||
|
||||
fn lower_fn_header(&mut self, h: FnHeader, span: Span, id: NodeId) -> hir::FnHeader {
|
||||
|
@ -1385,7 +1412,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
GenericsCtor {
|
||||
params: self.lower_generic_params_mut(&generics.params, &add_bounds, itctx).collect(),
|
||||
where_clause: self.lower_where_clause(&generics.where_clause),
|
||||
span: generics.span,
|
||||
span: self.lower_span(generics.span),
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -1404,7 +1431,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
predicates: this.arena.alloc_from_iter(
|
||||
wc.predicates.iter().map(|predicate| this.lower_where_predicate(predicate)),
|
||||
),
|
||||
span: wc.span,
|
||||
span: this.lower_span(wc.span),
|
||||
}
|
||||
})
|
||||
}
|
||||
|
@ -1433,12 +1460,12 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
// `suggest_constraining_type_param`. This will need to change if
|
||||
// we ever allow something *other* than `?Sized`.
|
||||
GenericBound::Trait(p, TraitBoundModifier::Maybe) => {
|
||||
hir::GenericBound::Unsized(p.span)
|
||||
hir::GenericBound::Unsized(this.lower_span(p.span))
|
||||
}
|
||||
_ => this.lower_param_bound(bound, ImplTraitContext::disallowed()),
|
||||
},
|
||||
)),
|
||||
span,
|
||||
span: this.lower_span(span),
|
||||
})
|
||||
})
|
||||
}
|
||||
|
@ -1447,7 +1474,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
ref bounds,
|
||||
span,
|
||||
}) => hir::WherePredicate::RegionPredicate(hir::WhereRegionPredicate {
|
||||
span,
|
||||
span: self.lower_span(span),
|
||||
lifetime: self.lower_lifetime(lifetime),
|
||||
bounds: self.lower_param_bounds(bounds, ImplTraitContext::disallowed()),
|
||||
}),
|
||||
|
@ -1456,7 +1483,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
|
|||
hir_id: self.lower_node_id(id),
|
||||
lhs_ty: self.lower_ty(lhs_ty, ImplTraitContext::disallowed()),
|
||||
rhs_ty: self.lower_ty(rhs_ty, ImplTraitContext::disallowed()),
|
||||
span,
|
||||
span: self.lower_span(span),
|
||||
})
|
||||
}
|
||||
}
|
||||
|
|
|
@ -760,6 +760,16 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
result
|
||||
}
|
||||
|
||||
/// Intercept all spans entering HIR.
|
||||
/// For now we are not doing anything with the intercepted spans.
|
||||
fn lower_span(&self, span: Span) -> Span {
|
||||
span
|
||||
}
|
||||
|
||||
fn lower_ident(&self, ident: Ident) -> Ident {
|
||||
Ident::new(ident.name, self.lower_span(ident.span))
|
||||
}
|
||||
|
||||
/// Creates a new `hir::GenericParam` for every new lifetime and
|
||||
/// type parameter encountered while evaluating `f`. Definitions
|
||||
/// are created with the parent provided. If no `parent_id` is
|
||||
|
@ -828,7 +838,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
hir_id: self.lower_node_id(node_id),
|
||||
name: hir_name,
|
||||
bounds: &[],
|
||||
span,
|
||||
span: self.lower_span(span),
|
||||
pure_wrt_drop: false,
|
||||
kind: hir::GenericParamKind::Lifetime { kind },
|
||||
}
|
||||
|
@ -989,7 +999,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
AttrKind::DocComment(comment_kind, data) => AttrKind::DocComment(comment_kind, data),
|
||||
};
|
||||
|
||||
Attribute { kind, id: attr.id, style: attr.style, span: attr.span }
|
||||
Attribute { kind, id: attr.id, style: attr.style, span: self.lower_span(attr.span) }
|
||||
}
|
||||
|
||||
fn alias_attrs(&mut self, id: hir::HirId, target_id: hir::HirId) {
|
||||
|
@ -1117,7 +1127,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
.0
|
||||
}
|
||||
};
|
||||
self.arena.alloc(gen_args_ctor.into_generic_args(&self.arena))
|
||||
gen_args_ctor.into_generic_args(self)
|
||||
} else {
|
||||
self.arena.alloc(hir::GenericArgs::none())
|
||||
};
|
||||
|
@ -1198,7 +1208,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
&Ty {
|
||||
id: node_id,
|
||||
kind: TyKind::ImplTrait(impl_trait_node_id, bounds.clone()),
|
||||
span: constraint.span,
|
||||
span: this.lower_span(constraint.span),
|
||||
tokens: None,
|
||||
},
|
||||
itctx,
|
||||
|
@ -1218,10 +1228,10 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
|
||||
hir::TypeBinding {
|
||||
hir_id: self.lower_node_id(constraint.id),
|
||||
ident: constraint.ident,
|
||||
ident: self.lower_ident(constraint.ident),
|
||||
gen_args,
|
||||
kind,
|
||||
span: constraint.span,
|
||||
span: self.lower_span(constraint.span),
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -1235,10 +1245,9 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
ast::GenericArg::Type(ty) => {
|
||||
match ty.kind {
|
||||
TyKind::Infer if self.sess.features_untracked().generic_arg_infer => {
|
||||
let hir_id = self.lower_node_id(ty.id);
|
||||
return GenericArg::Infer(hir::InferArg {
|
||||
hir_id,
|
||||
span: ty.span,
|
||||
hir_id: self.lower_node_id(ty.id),
|
||||
span: self.lower_span(ty.span),
|
||||
kind: InferKind::Type,
|
||||
});
|
||||
}
|
||||
|
@ -1269,10 +1278,11 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
ty.span,
|
||||
);
|
||||
|
||||
let span = self.lower_span(ty.span);
|
||||
let path_expr = Expr {
|
||||
id: ty.id,
|
||||
kind: ExprKind::Path(qself.clone(), path.clone()),
|
||||
span: ty.span,
|
||||
span,
|
||||
attrs: AttrVec::new(),
|
||||
tokens: None,
|
||||
};
|
||||
|
@ -1281,7 +1291,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
hir_id: this.lower_node_id(node_id),
|
||||
body: this.lower_const_body(path_expr.span, Some(&path_expr)),
|
||||
});
|
||||
return GenericArg::Const(ConstArg { value: ct, span: ty.span });
|
||||
return GenericArg::Const(ConstArg { value: ct, span });
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -1291,7 +1301,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
}
|
||||
ast::GenericArg::Const(ct) => GenericArg::Const(ConstArg {
|
||||
value: self.lower_anon_const(&ct),
|
||||
span: ct.value.span,
|
||||
span: self.lower_span(ct.value.span),
|
||||
}),
|
||||
}
|
||||
}
|
||||
|
@ -1318,7 +1328,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
}
|
||||
|
||||
fn ty(&mut self, span: Span, kind: hir::TyKind<'hir>) -> hir::Ty<'hir> {
|
||||
hir::Ty { hir_id: self.next_id(), kind, span }
|
||||
hir::Ty { hir_id: self.next_id(), kind, span: self.lower_span(span) }
|
||||
}
|
||||
|
||||
fn ty_tup(&mut self, span: Span, tys: &'hir [hir::Ty<'hir>]) -> hir::Ty<'hir> {
|
||||
|
@ -1386,7 +1396,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
segments: arena_vec![self; hir::PathSegment::from_ident(
|
||||
Ident::with_dummy_span(kw::SelfUpper)
|
||||
)],
|
||||
span: t.span,
|
||||
span: self.lower_span(t.span),
|
||||
}),
|
||||
))
|
||||
}
|
||||
|
@ -1467,10 +1477,10 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
let ident = Ident::from_str_and_span(&pprust::ty_to_string(t), span);
|
||||
in_band_ty_params.push(hir::GenericParam {
|
||||
hir_id: self.lower_node_id(def_node_id),
|
||||
name: ParamName::Plain(ident),
|
||||
name: ParamName::Plain(self.lower_ident(ident)),
|
||||
pure_wrt_drop: false,
|
||||
bounds: hir_bounds,
|
||||
span,
|
||||
span: self.lower_span(span),
|
||||
kind: hir::GenericParamKind::Type {
|
||||
default: None,
|
||||
synthetic: Some(hir::SyntheticTyParamKind::ImplTrait),
|
||||
|
@ -1480,9 +1490,9 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
hir::TyKind::Path(hir::QPath::Resolved(
|
||||
None,
|
||||
self.arena.alloc(hir::Path {
|
||||
span,
|
||||
span: self.lower_span(span),
|
||||
res: Res::Def(DefKind::TyParam, def_id.to_def_id()),
|
||||
segments: arena_vec![self; hir::PathSegment::from_ident(ident)],
|
||||
segments: arena_vec![self; hir::PathSegment::from_ident(self.lower_ident(ident))],
|
||||
}),
|
||||
))
|
||||
}
|
||||
|
@ -1509,7 +1519,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
}
|
||||
};
|
||||
|
||||
hir::Ty { kind, span: t.span, hir_id: self.lower_node_id(t.id) }
|
||||
hir::Ty { kind, span: self.lower_span(t.span), hir_id: self.lower_node_id(t.id) }
|
||||
}
|
||||
|
||||
fn lower_opaque_impl_trait(
|
||||
|
@ -1554,8 +1564,8 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
let opaque_ty_item = hir::OpaqueTy {
|
||||
generics: hir::Generics {
|
||||
params: lifetime_defs,
|
||||
where_clause: hir::WhereClause { predicates: &[], span },
|
||||
span,
|
||||
where_clause: hir::WhereClause { predicates: &[], span: lctx.lower_span(span) },
|
||||
span: lctx.lower_span(span),
|
||||
},
|
||||
bounds: hir_bounds,
|
||||
impl_trait_fn: fn_def_id,
|
||||
|
@ -1586,8 +1596,8 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
def_id: opaque_ty_id,
|
||||
ident: Ident::invalid(),
|
||||
kind: opaque_ty_item_kind,
|
||||
vis: respan(span.shrink_to_lo(), hir::VisibilityKind::Inherited),
|
||||
span: opaque_ty_span,
|
||||
vis: respan(self.lower_span(span.shrink_to_lo()), hir::VisibilityKind::Inherited),
|
||||
span: self.lower_span(opaque_ty_span),
|
||||
};
|
||||
|
||||
// Insert the item into the global item list. This usually happens
|
||||
|
@ -1714,7 +1724,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
|
||||
self.output_lifetimes.push(hir::GenericArg::Lifetime(hir::Lifetime {
|
||||
hir_id: self.context.next_id(),
|
||||
span: lifetime.span,
|
||||
span: self.context.lower_span(lifetime.span),
|
||||
name,
|
||||
}));
|
||||
|
||||
|
@ -1739,11 +1749,17 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
}
|
||||
_ => panic!("expected `LifetimeName::Param` or `ParamName::Plain`"),
|
||||
};
|
||||
let name = match name {
|
||||
hir::ParamName::Plain(ident) => {
|
||||
hir::ParamName::Plain(self.context.lower_ident(ident))
|
||||
}
|
||||
name => name,
|
||||
};
|
||||
|
||||
self.output_lifetime_params.push(hir::GenericParam {
|
||||
hir_id,
|
||||
name,
|
||||
span: lifetime.span,
|
||||
span: self.context.lower_span(lifetime.span),
|
||||
pure_wrt_drop: false,
|
||||
bounds: &[],
|
||||
kind: hir::GenericParamKind::Lifetime { kind },
|
||||
|
@ -1790,7 +1806,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
ty,
|
||||
pat: self.lower_pat(&l.pat),
|
||||
init,
|
||||
span: l.span,
|
||||
span: self.lower_span(l.span),
|
||||
source: hir::LocalSource::Normal,
|
||||
}
|
||||
}
|
||||
|
@ -1804,8 +1820,8 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
inputs = &inputs[..inputs.len() - 1];
|
||||
}
|
||||
self.arena.alloc_from_iter(inputs.iter().map(|param| match param.pat.kind {
|
||||
PatKind::Ident(_, ident, _) => ident,
|
||||
_ => Ident::new(kw::Empty, param.pat.span),
|
||||
PatKind::Ident(_, ident, _) => self.lower_ident(ident),
|
||||
_ => Ident::new(kw::Empty, self.lower_span(param.pat.span)),
|
||||
}))
|
||||
}
|
||||
|
||||
|
@ -1889,7 +1905,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
};
|
||||
hir::FnRetTy::Return(self.lower_ty(ty, context))
|
||||
}
|
||||
FnRetTy::Default(span) => hir::FnRetTy::DefaultReturn(span),
|
||||
FnRetTy::Default(span) => hir::FnRetTy::DefaultReturn(self.lower_span(span)),
|
||||
}
|
||||
};
|
||||
|
||||
|
@ -2046,8 +2062,8 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
let opaque_ty_item = hir::OpaqueTy {
|
||||
generics: hir::Generics {
|
||||
params: generic_params,
|
||||
where_clause: hir::WhereClause { predicates: &[], span },
|
||||
span,
|
||||
where_clause: hir::WhereClause { predicates: &[], span: this.lower_span(span) },
|
||||
span: this.lower_span(span),
|
||||
},
|
||||
bounds: arena_vec![this; future_bound],
|
||||
impl_trait_fn: Some(fn_def_id),
|
||||
|
@ -2082,7 +2098,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
// Input lifetime like `'a` or `'1`:
|
||||
GenericArg::Lifetime(hir::Lifetime {
|
||||
hir_id: self.next_id(),
|
||||
span,
|
||||
span: self.lower_span(span),
|
||||
name: hir::LifetimeName::Param(hir_name),
|
||||
})
|
||||
},
|
||||
|
@ -2091,7 +2107,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
// Output lifetime like `'_`.
|
||||
GenericArg::Lifetime(hir::Lifetime {
|
||||
hir_id: self.next_id(),
|
||||
span,
|
||||
span: self.lower_span(span),
|
||||
name: hir::LifetimeName::Implicit,
|
||||
})));
|
||||
let generic_args = self.arena.alloc_from_iter(generic_args);
|
||||
|
@ -2139,7 +2155,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
hir::GenericBound::LangItemTrait(
|
||||
// ::std::future::Future<future_params>
|
||||
hir::LangItem::Future,
|
||||
span,
|
||||
self.lower_span(span),
|
||||
self.next_id(),
|
||||
future_args,
|
||||
)
|
||||
|
@ -2162,7 +2178,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
}
|
||||
|
||||
fn lower_lifetime(&mut self, l: &Lifetime) -> hir::Lifetime {
|
||||
let span = l.ident.span;
|
||||
let span = self.lower_span(l.ident.span);
|
||||
match l.ident {
|
||||
ident if ident.name == kw::StaticLifetime => {
|
||||
self.new_named_lifetime(l.id, span, hir::LifetimeName::Static)
|
||||
|
@ -2181,7 +2197,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
},
|
||||
ident => {
|
||||
self.maybe_collect_in_band_lifetime(ident);
|
||||
let param_name = ParamName::Plain(ident);
|
||||
let param_name = ParamName::Plain(self.lower_ident(ident));
|
||||
self.new_named_lifetime(l.id, span, hir::LifetimeName::Param(param_name))
|
||||
}
|
||||
}
|
||||
|
@ -2193,7 +2209,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
span: Span,
|
||||
name: hir::LifetimeName,
|
||||
) -> hir::Lifetime {
|
||||
hir::Lifetime { hir_id: self.lower_node_id(id), span, name }
|
||||
hir::Lifetime { hir_id: self.lower_node_id(id), span: self.lower_span(span), name }
|
||||
}
|
||||
|
||||
fn lower_generic_params_mut<'s>(
|
||||
|
@ -2276,7 +2292,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
.next(),
|
||||
};
|
||||
|
||||
(hir::ParamName::Plain(param.ident), kind)
|
||||
(hir::ParamName::Plain(self.lower_ident(param.ident)), kind)
|
||||
}
|
||||
GenericParamKind::Const { ref ty, kw_span: _, ref default } => {
|
||||
let ty = self
|
||||
|
@ -2284,16 +2300,23 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
this.lower_ty(&ty, ImplTraitContext::disallowed())
|
||||
});
|
||||
let default = default.as_ref().map(|def| self.lower_anon_const(def));
|
||||
(hir::ParamName::Plain(param.ident), hir::GenericParamKind::Const { ty, default })
|
||||
(
|
||||
hir::ParamName::Plain(self.lower_ident(param.ident)),
|
||||
hir::GenericParamKind::Const { ty, default },
|
||||
)
|
||||
}
|
||||
};
|
||||
let name = match name {
|
||||
hir::ParamName::Plain(ident) => hir::ParamName::Plain(self.lower_ident(ident)),
|
||||
name => name,
|
||||
};
|
||||
|
||||
let hir_id = self.lower_node_id(param.id);
|
||||
self.lower_attrs(hir_id, ¶m.attrs);
|
||||
hir::GenericParam {
|
||||
hir_id,
|
||||
name,
|
||||
span: param.ident.span,
|
||||
span: self.lower_span(param.ident.span),
|
||||
pure_wrt_drop: self.sess.contains_name(¶m.attrs, sym::may_dangle),
|
||||
bounds: self.arena.alloc_from_iter(bounds),
|
||||
kind,
|
||||
|
@ -2350,7 +2373,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
res
|
||||
});
|
||||
|
||||
hir::PolyTraitRef { bound_generic_params, trait_ref, span: p.span }
|
||||
hir::PolyTraitRef { bound_generic_params, trait_ref, span: self.lower_span(p.span) }
|
||||
}
|
||||
|
||||
fn lower_mt(&mut self, mt: &MutTy, itctx: ImplTraitContext<'_, 'hir>) -> hir::MutTy<'hir> {
|
||||
|
@ -2387,7 +2410,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
let rules = self.lower_block_check_mode(&b.rules);
|
||||
let hir_id = self.lower_node_id(b.id);
|
||||
|
||||
hir::Block { hir_id, stmts, expr, rules, span: b.span, targeted_by_break }
|
||||
hir::Block { hir_id, stmts, expr, rules, span: self.lower_span(b.span), targeted_by_break }
|
||||
}
|
||||
|
||||
/// Lowers a block directly to an expression, presuming that it
|
||||
|
@ -2413,7 +2436,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
return smallvec![hir::Stmt {
|
||||
hir_id,
|
||||
kind: hir::StmtKind::Local(self.arena.alloc(l)),
|
||||
span: s.span,
|
||||
span: self.lower_span(s.span),
|
||||
}];
|
||||
}
|
||||
StmtKind::Item(ref it) => {
|
||||
|
@ -2428,7 +2451,11 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
.map(|id| self.lower_node_id(id))
|
||||
.unwrap_or_else(|| self.next_id());
|
||||
|
||||
hir::Stmt { hir_id, kind: hir::StmtKind::Item(item_id), span: s.span }
|
||||
hir::Stmt {
|
||||
hir_id,
|
||||
kind: hir::StmtKind::Item(item_id),
|
||||
span: self.lower_span(s.span),
|
||||
}
|
||||
})
|
||||
.collect();
|
||||
}
|
||||
|
@ -2447,7 +2474,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
StmtKind::Empty => return smallvec![],
|
||||
StmtKind::MacCall(..) => panic!("shouldn't exist here"),
|
||||
};
|
||||
smallvec![hir::Stmt { hir_id, kind, span: s.span }]
|
||||
smallvec![hir::Stmt { hir_id, kind, span: self.lower_span(s.span) }]
|
||||
}
|
||||
|
||||
fn lower_block_check_mode(&mut self, b: &BlockCheckMode) -> hir::BlockCheckMode {
|
||||
|
@ -2482,7 +2509,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
// Helper methods for building HIR.
|
||||
|
||||
fn stmt(&mut self, span: Span, kind: hir::StmtKind<'hir>) -> hir::Stmt<'hir> {
|
||||
hir::Stmt { span, kind, hir_id: self.next_id() }
|
||||
hir::Stmt { span: self.lower_span(span), kind, hir_id: self.next_id() }
|
||||
}
|
||||
|
||||
fn stmt_expr(&mut self, span: Span, expr: hir::Expr<'hir>) -> hir::Stmt<'hir> {
|
||||
|
@ -2502,7 +2529,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
debug_assert!(!a.is_empty());
|
||||
self.attrs.insert(hir_id, a);
|
||||
}
|
||||
let local = hir::Local { hir_id, init, pat, source, span, ty: None };
|
||||
let local = hir::Local { hir_id, init, pat, source, span: self.lower_span(span), ty: None };
|
||||
self.stmt(span, hir::StmtKind::Local(self.arena.alloc(local)))
|
||||
}
|
||||
|
||||
|
@ -2521,7 +2548,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
expr,
|
||||
hir_id: self.next_id(),
|
||||
rules: hir::BlockCheckMode::DefaultBlock,
|
||||
span,
|
||||
span: self.lower_span(span),
|
||||
targeted_by_break: false,
|
||||
};
|
||||
self.arena.alloc(blk)
|
||||
|
@ -2553,10 +2580,10 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
) -> &'hir [hir::PatField<'hir>] {
|
||||
let field = hir::PatField {
|
||||
hir_id: self.next_id(),
|
||||
ident: Ident::new(sym::integer(0), span),
|
||||
ident: Ident::new(sym::integer(0), self.lower_span(span)),
|
||||
is_shorthand: false,
|
||||
pat,
|
||||
span,
|
||||
span: self.lower_span(span),
|
||||
};
|
||||
arena_vec![self; field]
|
||||
}
|
||||
|
@ -2567,7 +2594,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
lang_item: hir::LangItem,
|
||||
fields: &'hir [hir::PatField<'hir>],
|
||||
) -> &'hir hir::Pat<'hir> {
|
||||
let qpath = hir::QPath::LangItem(lang_item, span);
|
||||
let qpath = hir::QPath::LangItem(lang_item, self.lower_span(span));
|
||||
self.pat(span, hir::PatKind::Struct(qpath, fields, false))
|
||||
}
|
||||
|
||||
|
@ -2600,8 +2627,8 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
(
|
||||
hir::Pat {
|
||||
hir_id,
|
||||
kind: hir::PatKind::Binding(bm, hir_id, ident.with_span_pos(span), None),
|
||||
span,
|
||||
kind: hir::PatKind::Binding(bm, hir_id, self.lower_ident(ident), None),
|
||||
span: self.lower_span(span),
|
||||
default_binding_modes: true,
|
||||
},
|
||||
hir_id,
|
||||
|
@ -2612,13 +2639,18 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
self.arena.alloc(hir::Pat {
|
||||
hir_id: self.next_id(),
|
||||
kind,
|
||||
span,
|
||||
span: self.lower_span(span),
|
||||
default_binding_modes: true,
|
||||
})
|
||||
}
|
||||
|
||||
fn pat_without_dbm(&mut self, span: Span, kind: hir::PatKind<'hir>) -> hir::Pat<'hir> {
|
||||
hir::Pat { hir_id: self.next_id(), kind, span, default_binding_modes: false }
|
||||
hir::Pat {
|
||||
hir_id: self.next_id(),
|
||||
kind,
|
||||
span: self.lower_span(span),
|
||||
default_binding_modes: false,
|
||||
}
|
||||
}
|
||||
|
||||
fn ty_path(
|
||||
|
@ -2635,7 +2667,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
let principal = hir::PolyTraitRef {
|
||||
bound_generic_params: &[],
|
||||
trait_ref: hir::TraitRef { path, hir_ref_id: hir_id },
|
||||
span,
|
||||
span: self.lower_span(span),
|
||||
};
|
||||
|
||||
// The original ID is taken by the `PolyTraitRef`,
|
||||
|
@ -2653,7 +2685,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
_ => hir::TyKind::Path(qpath),
|
||||
};
|
||||
|
||||
hir::Ty { hir_id, kind, span }
|
||||
hir::Ty { hir_id, kind, span: self.lower_span(span) }
|
||||
}
|
||||
|
||||
/// Invoked to create the lifetime argument for a type `&T`
|
||||
|
@ -2668,7 +2700,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
let fresh_name = self.collect_fresh_in_band_lifetime(span);
|
||||
hir::Lifetime {
|
||||
hir_id: self.next_id(),
|
||||
span,
|
||||
span: self.lower_span(span),
|
||||
name: hir::LifetimeName::Param(fresh_name),
|
||||
}
|
||||
}
|
||||
|
@ -2763,7 +2795,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
|
||||
let r = hir::Lifetime {
|
||||
hir_id: self.next_id(),
|
||||
span,
|
||||
span: self.lower_span(span),
|
||||
name: hir::LifetimeName::ImplicitObjectLifetimeDefault,
|
||||
};
|
||||
debug!("elided_dyn_bound: r={:?}", r);
|
||||
|
@ -2771,7 +2803,11 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
}
|
||||
|
||||
fn new_implicit_lifetime(&mut self, span: Span) -> hir::Lifetime {
|
||||
hir::Lifetime { hir_id: self.next_id(), span, name: hir::LifetimeName::Implicit }
|
||||
hir::Lifetime {
|
||||
hir_id: self.next_id(),
|
||||
span: self.lower_span(span),
|
||||
name: hir::LifetimeName::Implicit,
|
||||
}
|
||||
}
|
||||
|
||||
fn maybe_lint_bare_trait(&mut self, span: Span, id: NodeId, is_global: bool) {
|
||||
|
@ -2849,12 +2885,13 @@ impl<'hir> GenericArgsCtor<'hir> {
|
|||
self.args.is_empty() && self.bindings.is_empty() && !self.parenthesized
|
||||
}
|
||||
|
||||
fn into_generic_args(self, arena: &'hir Arena<'hir>) -> hir::GenericArgs<'hir> {
|
||||
hir::GenericArgs {
|
||||
args: arena.alloc_from_iter(self.args),
|
||||
fn into_generic_args(self, this: &LoweringContext<'_, 'hir>) -> &'hir hir::GenericArgs<'hir> {
|
||||
let ga = hir::GenericArgs {
|
||||
args: this.arena.alloc_from_iter(self.args),
|
||||
bindings: self.bindings,
|
||||
parenthesized: self.parenthesized,
|
||||
span_ext: self.span,
|
||||
}
|
||||
span_ext: this.lower_span(self.span),
|
||||
};
|
||||
this.arena.alloc(ga)
|
||||
}
|
||||
}
|
||||
|
|
|
@ -62,10 +62,10 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
|
||||
let fs = self.arena.alloc_from_iter(fields.iter().map(|f| hir::PatField {
|
||||
hir_id: self.next_id(),
|
||||
ident: f.ident,
|
||||
ident: self.lower_ident(f.ident),
|
||||
pat: self.lower_pat(&f.pat),
|
||||
is_shorthand: f.is_shorthand,
|
||||
span: f.span,
|
||||
span: self.lower_span(f.span),
|
||||
}));
|
||||
break hir::PatKind::Struct(qpath, fs, etc);
|
||||
}
|
||||
|
@ -247,16 +247,16 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
hir::PatKind::Binding(
|
||||
self.lower_binding_mode(binding_mode),
|
||||
self.lower_node_id(canonical_id),
|
||||
ident,
|
||||
self.lower_ident(ident),
|
||||
lower_sub(self),
|
||||
)
|
||||
}
|
||||
Some(res) => hir::PatKind::Path(hir::QPath::Resolved(
|
||||
None,
|
||||
self.arena.alloc(hir::Path {
|
||||
span: ident.span,
|
||||
span: self.lower_span(ident.span),
|
||||
res: self.lower_res(res),
|
||||
segments: arena_vec![self; hir::PathSegment::from_ident(ident)],
|
||||
segments: arena_vec![self; hir::PathSegment::from_ident(self.lower_ident(ident))],
|
||||
}),
|
||||
)),
|
||||
}
|
||||
|
@ -280,7 +280,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
hir::Pat {
|
||||
hir_id: self.lower_node_id(p.id),
|
||||
kind,
|
||||
span: p.span,
|
||||
span: self.lower_span(p.span),
|
||||
default_binding_modes: true,
|
||||
}
|
||||
}
|
||||
|
|
|
@ -110,9 +110,11 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
)
|
||||
},
|
||||
)),
|
||||
span: p.segments[..proj_start]
|
||||
.last()
|
||||
.map_or(path_span_lo, |segment| path_span_lo.to(segment.span())),
|
||||
span: self.lower_span(
|
||||
p.segments[..proj_start]
|
||||
.last()
|
||||
.map_or(path_span_lo, |segment| path_span_lo.to(segment.span())),
|
||||
),
|
||||
});
|
||||
|
||||
// Simple case, either no projections, or only fully-qualified.
|
||||
|
@ -198,7 +200,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
explicit_owner,
|
||||
)
|
||||
})),
|
||||
span: p.span,
|
||||
span: self.lower_span(p.span),
|
||||
})
|
||||
}
|
||||
|
||||
|
@ -370,14 +372,14 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
);
|
||||
|
||||
hir::PathSegment {
|
||||
ident: segment.ident,
|
||||
ident: self.lower_ident(segment.ident),
|
||||
hir_id: Some(id),
|
||||
res: Some(self.lower_res(res)),
|
||||
infer_args,
|
||||
args: if generic_args.is_empty() && generic_args.span.is_empty() {
|
||||
None
|
||||
} else {
|
||||
Some(self.arena.alloc(generic_args.into_generic_args(self.arena)))
|
||||
Some(generic_args.into_generic_args(self))
|
||||
},
|
||||
}
|
||||
}
|
||||
|
@ -459,6 +461,12 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
|
|||
parenthesized: false,
|
||||
span_ext: DUMMY_SP,
|
||||
});
|
||||
hir::TypeBinding { hir_id: self.next_id(), gen_args, span, ident, kind }
|
||||
hir::TypeBinding {
|
||||
hir_id: self.next_id(),
|
||||
gen_args,
|
||||
span: self.lower_span(span),
|
||||
ident,
|
||||
kind,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
Loading…
Add table
Reference in a new issue