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https://github.com/rust-lang/rust.git
synced 2024-11-22 06:44:35 +00:00
Pass Ident by reference in ast Visitor
This commit is contained in:
parent
5ae4d75eff
commit
64a3451835
@ -135,7 +135,7 @@ pub trait Visitor<'ast>: Sized {
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/// or `ControlFlow<T>`.
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type Result: VisitorResult = ();
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fn visit_ident(&mut self, _ident: Ident) -> Self::Result {
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fn visit_ident(&mut self, _ident: &'ast Ident) -> Self::Result {
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Self::Result::output()
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}
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fn visit_foreign_item(&mut self, i: &'ast ForeignItem) -> Self::Result {
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@ -317,12 +317,12 @@ pub fn walk_local<'a, V: Visitor<'a>>(visitor: &mut V, local: &'a Local) -> V::R
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}
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pub fn walk_label<'a, V: Visitor<'a>>(visitor: &mut V, Label { ident }: &'a Label) -> V::Result {
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visitor.visit_ident(*ident)
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visitor.visit_ident(ident)
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}
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pub fn walk_lifetime<'a, V: Visitor<'a>>(visitor: &mut V, lifetime: &'a Lifetime) -> V::Result {
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let Lifetime { id: _, ident } = lifetime;
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visitor.visit_ident(*ident)
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visitor.visit_ident(ident)
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}
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pub fn walk_poly_trait_ref<'a, V>(visitor: &mut V, trait_ref: &'a PolyTraitRef) -> V::Result
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@ -429,7 +429,7 @@ impl WalkItemKind for ItemKind {
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}) => {
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try_visit!(walk_qself(visitor, qself));
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try_visit!(visitor.visit_path(path, *id));
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visit_opt!(visitor, visit_ident, *rename);
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visit_opt!(visitor, visit_ident, rename);
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visit_opt!(visitor, visit_block, body);
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}
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ItemKind::DelegationMac(box DelegationMac { qself, prefix, suffixes, body }) => {
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@ -437,9 +437,9 @@ impl WalkItemKind for ItemKind {
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try_visit!(visitor.visit_path(prefix, *id));
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if let Some(suffixes) = suffixes {
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for (ident, rename) in suffixes {
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visitor.visit_ident(*ident);
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visitor.visit_ident(ident);
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if let Some(rename) = rename {
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visitor.visit_ident(*rename);
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visitor.visit_ident(rename);
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}
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}
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}
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@ -472,7 +472,7 @@ where
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let Variant { attrs, id: _, span: _, vis, ident, data, disr_expr, is_placeholder: _ } = variant;
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walk_list!(visitor, visit_attribute, attrs);
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try_visit!(visitor.visit_vis(vis));
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try_visit!(visitor.visit_ident(*ident));
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try_visit!(visitor.visit_ident(ident));
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try_visit!(visitor.visit_variant_data(data));
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visit_opt!(visitor, visit_variant_discr, disr_expr);
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V::Result::output()
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@ -481,7 +481,7 @@ where
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pub fn walk_expr_field<'a, V: Visitor<'a>>(visitor: &mut V, f: &'a ExprField) -> V::Result {
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let ExprField { attrs, id: _, span: _, ident, expr, is_shorthand: _, is_placeholder: _ } = f;
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walk_list!(visitor, visit_attribute, attrs);
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try_visit!(visitor.visit_ident(*ident));
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try_visit!(visitor.visit_ident(ident));
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try_visit!(visitor.visit_expr(expr));
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V::Result::output()
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}
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@ -489,7 +489,7 @@ pub fn walk_expr_field<'a, V: Visitor<'a>>(visitor: &mut V, f: &'a ExprField) ->
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pub fn walk_pat_field<'a, V: Visitor<'a>>(visitor: &mut V, fp: &'a PatField) -> V::Result {
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let PatField { ident, pat, is_shorthand: _, attrs, id: _, span: _, is_placeholder: _ } = fp;
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walk_list!(visitor, visit_attribute, attrs);
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try_visit!(visitor.visit_ident(*ident));
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try_visit!(visitor.visit_ident(ident));
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try_visit!(visitor.visit_pat(pat));
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V::Result::output()
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}
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@ -564,7 +564,7 @@ pub fn walk_use_tree<'a, V: Visitor<'a>>(
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match kind {
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UseTreeKind::Simple(rename) => {
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// The extra IDs are handled during AST lowering.
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visit_opt!(visitor, visit_ident, *rename);
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visit_opt!(visitor, visit_ident, rename);
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}
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UseTreeKind::Glob => {}
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UseTreeKind::Nested { ref items, span: _ } => {
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@ -581,7 +581,7 @@ pub fn walk_path_segment<'a, V: Visitor<'a>>(
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segment: &'a PathSegment,
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) -> V::Result {
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let PathSegment { ident, id: _, args } = segment;
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try_visit!(visitor.visit_ident(*ident));
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try_visit!(visitor.visit_ident(ident));
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visit_opt!(visitor, visit_generic_args, args);
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V::Result::output()
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}
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@ -627,7 +627,7 @@ pub fn walk_assoc_item_constraint<'a, V: Visitor<'a>>(
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constraint: &'a AssocItemConstraint,
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) -> V::Result {
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let AssocItemConstraint { id: _, ident, gen_args, kind, span: _ } = constraint;
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try_visit!(visitor.visit_ident(*ident));
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try_visit!(visitor.visit_ident(ident));
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visit_opt!(visitor, visit_generic_args, gen_args);
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match kind {
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AssocItemConstraintKind::Equality { term } => match term {
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@ -665,7 +665,7 @@ pub fn walk_pat<'a, V: Visitor<'a>>(visitor: &mut V, pattern: &'a Pat) -> V::Res
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try_visit!(visitor.visit_pat(subpattern));
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}
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PatKind::Ident(_bmode, ident, optional_subpattern) => {
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try_visit!(visitor.visit_ident(*ident));
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try_visit!(visitor.visit_ident(ident));
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visit_opt!(visitor, visit_pat, optional_subpattern);
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}
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PatKind::Lit(expression) => try_visit!(visitor.visit_expr(expression)),
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@ -751,7 +751,7 @@ pub fn walk_generic_param<'a, V: Visitor<'a>>(
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let GenericParam { id: _, ident, attrs, bounds, is_placeholder: _, kind, colon_span: _ } =
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param;
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walk_list!(visitor, visit_attribute, attrs);
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try_visit!(visitor.visit_ident(*ident));
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try_visit!(visitor.visit_ident(ident));
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walk_list!(visitor, visit_param_bound, bounds, BoundKind::Bound);
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match kind {
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GenericParamKind::Lifetime => (),
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@ -889,7 +889,7 @@ impl WalkItemKind for AssocItemKind {
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}) => {
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try_visit!(walk_qself(visitor, qself));
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try_visit!(visitor.visit_path(path, *id));
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visit_opt!(visitor, visit_ident, *rename);
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visit_opt!(visitor, visit_ident, rename);
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visit_opt!(visitor, visit_block, body);
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}
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AssocItemKind::DelegationMac(box DelegationMac { qself, prefix, suffixes, body }) => {
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@ -897,9 +897,9 @@ impl WalkItemKind for AssocItemKind {
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try_visit!(visitor.visit_path(prefix, id));
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if let Some(suffixes) = suffixes {
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for (ident, rename) in suffixes {
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visitor.visit_ident(*ident);
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visitor.visit_ident(ident);
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if let Some(rename) = rename {
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visitor.visit_ident(*rename);
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visitor.visit_ident(rename);
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}
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}
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}
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@ -915,7 +915,7 @@ pub fn walk_assoc_item<'a, V: Visitor<'a>>(
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item: &'a Item<impl WalkItemKind>,
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ctxt: AssocCtxt,
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) -> V::Result {
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let &Item { id: _, span: _, ident, ref vis, ref attrs, ref kind, tokens: _ } = item;
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let Item { id: _, span: _, ident, vis, attrs, kind, tokens: _ } = item;
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walk_list!(visitor, visit_attribute, attrs);
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try_visit!(visitor.visit_vis(vis));
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try_visit!(visitor.visit_ident(ident));
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@ -935,7 +935,7 @@ pub fn walk_field_def<'a, V: Visitor<'a>>(visitor: &mut V, field: &'a FieldDef)
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let FieldDef { attrs, id: _, span: _, vis, ident, ty, is_placeholder: _ } = field;
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walk_list!(visitor, visit_attribute, attrs);
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try_visit!(visitor.visit_vis(vis));
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visit_opt!(visitor, visit_ident, *ident);
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visit_opt!(visitor, visit_ident, ident);
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try_visit!(visitor.visit_ty(ty));
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V::Result::output()
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}
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@ -1017,7 +1017,7 @@ pub fn walk_format_args<'a, V: Visitor<'a>>(visitor: &mut V, fmt: &'a FormatArgs
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for FormatArgument { kind, expr } in arguments.all_args() {
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match kind {
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FormatArgumentKind::Named(ident) | FormatArgumentKind::Captured(ident) => {
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try_visit!(visitor.visit_ident(*ident))
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try_visit!(visitor.visit_ident(ident))
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}
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FormatArgumentKind::Normal => {}
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}
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@ -1137,7 +1137,7 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) -> V
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}
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ExprKind::Field(subexpression, ident) => {
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try_visit!(visitor.visit_expr(subexpression));
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try_visit!(visitor.visit_ident(*ident));
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try_visit!(visitor.visit_ident(ident));
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}
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ExprKind::Index(main_expression, index_expression, _span) => {
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try_visit!(visitor.visit_expr(main_expression));
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@ -1172,7 +1172,7 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) -> V
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ExprKind::FormatArgs(f) => try_visit!(visitor.visit_format_args(f)),
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ExprKind::OffsetOf(container, fields) => {
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try_visit!(visitor.visit_ty(container));
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walk_list!(visitor, visit_ident, fields.iter().copied());
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walk_list!(visitor, visit_ident, fields.iter());
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}
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ExprKind::Yield(optional_expression) => {
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visit_opt!(visitor, visit_expr, optional_expression);
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@ -249,7 +249,7 @@ impl<'a> AstValidator<'a> {
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}
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fn visit_struct_field_def(&mut self, field: &'a FieldDef) {
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if let Some(ident) = field.ident
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if let Some(ref ident) = field.ident
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&& ident.name == kw::Underscore
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{
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self.visit_vis(&field.vis);
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@ -899,7 +899,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
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}
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this.visit_vis(&item.vis);
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this.visit_ident(item.ident);
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this.visit_ident(&item.ident);
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let disallowed = matches!(constness, Const::No)
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.then(|| TildeConstReason::TraitImpl { span: item.span });
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this.with_tilde_const(disallowed, |this| this.visit_generics(generics));
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@ -953,7 +953,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
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}
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this.visit_vis(&item.vis);
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this.visit_ident(item.ident);
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this.visit_ident(&item.ident);
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this.with_tilde_const(
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Some(TildeConstReason::Impl { span: item.span }),
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|this| this.visit_generics(generics),
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@ -991,7 +991,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
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}
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self.visit_vis(&item.vis);
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self.visit_ident(item.ident);
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self.visit_ident(&item.ident);
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let kind =
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FnKind::Fn(FnCtxt::Free, item.ident, sig, &item.vis, generics, body.as_deref());
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self.visit_fn(kind, item.span, item.id);
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@ -1058,7 +1058,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
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// Equivalent of `visit::walk_item` for `ItemKind::Trait` that inserts a bound
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// context for the supertraits.
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this.visit_vis(&item.vis);
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this.visit_ident(item.ident);
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this.visit_ident(&item.ident);
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let disallowed = is_const_trait
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.is_none()
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.then(|| TildeConstReason::Trait { span: item.span });
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@ -1085,7 +1085,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
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ItemKind::Struct(vdata, generics) => match vdata {
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VariantData::Struct { fields, .. } => {
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self.visit_vis(&item.vis);
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self.visit_ident(item.ident);
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self.visit_ident(&item.ident);
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self.visit_generics(generics);
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// Permit `Anon{Struct,Union}` as field type.
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walk_list!(self, visit_struct_field_def, fields);
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@ -1101,7 +1101,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
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match vdata {
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VariantData::Struct { fields, .. } => {
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self.visit_vis(&item.vis);
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self.visit_ident(item.ident);
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self.visit_ident(&item.ident);
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self.visit_generics(generics);
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// Permit `Anon{Struct,Union}` as field type.
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walk_list!(self, visit_struct_field_def, fields);
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@ -1521,7 +1521,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
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|| matches!(sig.header.constness, Const::Yes(_)) =>
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{
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self.visit_vis(&item.vis);
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self.visit_ident(item.ident);
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self.visit_ident(&item.ident);
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let kind = FnKind::Fn(
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FnCtxt::Assoc(ctxt),
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item.ident,
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@ -16,7 +16,7 @@ impl NodeCounter {
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}
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impl<'ast> Visitor<'ast> for NodeCounter {
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fn visit_ident(&mut self, _ident: Ident) {
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fn visit_ident(&mut self, _ident: &Ident) {
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self.count += 1;
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}
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fn visit_foreign_item(&mut self, i: &ForeignItem) {
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@ -222,7 +222,7 @@ impl<'a, 'b> rustc_ast::visit::Visitor<'a> for DetectNonVariantDefaultAttr<'a, '
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rustc_ast::visit::walk_attribute(self, attr);
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}
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fn visit_variant(&mut self, v: &'a rustc_ast::Variant) {
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self.visit_ident(v.ident);
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self.visit_ident(&v.ident);
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self.visit_vis(&v.vis);
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self.visit_variant_data(&v.data);
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visit_opt!(self, visit_anon_const, &v.disr_expr);
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@ -1892,11 +1892,11 @@ impl EarlyLintPass for KeywordIdents {
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fn check_mac(&mut self, cx: &EarlyContext<'_>, mac: &ast::MacCall) {
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self.check_tokens(cx, &mac.args.tokens);
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}
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fn check_ident(&mut self, cx: &EarlyContext<'_>, ident: Ident) {
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fn check_ident(&mut self, cx: &EarlyContext<'_>, ident: &Ident) {
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if ident.name.as_str().starts_with('\'') {
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self.check_ident_token(cx, UnderMacro(false), ident.without_first_quote(), "'");
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} else {
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self.check_ident_token(cx, UnderMacro(false), ident, "");
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self.check_ident_token(cx, UnderMacro(false), *ident, "");
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}
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}
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}
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@ -190,7 +190,7 @@ impl<'a, T: EarlyLintPass> ast_visit::Visitor<'a> for EarlyContextAndPass<'a, T>
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ast_visit::walk_ty(self, t);
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}
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fn visit_ident(&mut self, ident: Ident) {
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fn visit_ident(&mut self, ident: &Ident) {
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lint_callback!(self, check_ident, ident);
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}
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@ -133,7 +133,7 @@ macro_rules! early_lint_methods {
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($macro:path, $args:tt) => (
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$macro!($args, [
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fn check_param(a: &rustc_ast::Param);
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fn check_ident(a: rustc_span::symbol::Ident);
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fn check_ident(a: &rustc_span::symbol::Ident);
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fn check_crate(a: &rustc_ast::Crate);
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fn check_crate_post(a: &rustc_ast::Crate);
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fn check_item(a: &rustc_ast::Item);
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@ -1321,7 +1321,7 @@ impl<'a, 'ra, 'tcx> Visitor<'a> for BuildReducedGraphVisitor<'a, 'ra, 'tcx> {
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// Visit attributes after items for backward compatibility.
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// This way they can use `macro_rules` defined later.
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self.visit_vis(&item.vis);
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self.visit_ident(item.ident);
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self.visit_ident(&item.ident);
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item.kind.walk(item, AssocCtxt::Trait, self);
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visit::walk_list!(self, visit_attribute, &item.attrs);
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}
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@ -1205,7 +1205,7 @@ impl<'ra: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'_, 'ast, 'r
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}
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fn visit_assoc_item_constraint(&mut self, constraint: &'ast AssocItemConstraint) {
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self.visit_ident(constraint.ident);
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self.visit_ident(&constraint.ident);
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if let Some(ref gen_args) = constraint.gen_args {
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// Forbid anonymous lifetimes in GAT parameters until proper semantics are decided.
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self.with_lifetime_rib(LifetimeRibKind::AnonymousReportError, |this| {
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@ -4582,7 +4582,7 @@ impl<'a, 'ast, 'ra: 'ast, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> {
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fn resolve_expr_field(&mut self, f: &'ast ExprField, e: &'ast Expr) {
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self.resolve_expr(&f.expr, Some(e));
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self.visit_ident(f.ident);
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self.visit_ident(&f.ident);
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walk_list!(self, visit_attribute, f.attrs.iter());
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}
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@ -39,7 +39,7 @@ impl From<&Attribute> for IdentIter {
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struct IdentCollector(Vec<Ident>);
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impl Visitor<'_> for IdentCollector {
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fn visit_ident(&mut self, ident: Ident) {
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self.0.push(ident);
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fn visit_ident(&mut self, ident: &Ident) {
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self.0.push(*ident);
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}
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}
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