Reorder walk_ functions in intravisit.rs
This commit is contained in:
Samuel Moelius
parent
c493bae0d8
commit
e604327286
@ -443,72 +443,6 @@ pub trait Visitor<'v>: Sized {
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}
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}
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pub fn walk_mod<'v, V: Visitor<'v>>(visitor: &mut V, module: &'v Mod<'v>, mod_hir_id: HirId) {
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visitor.visit_id(mod_hir_id);
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for &item_id in module.item_ids {
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visitor.visit_nested_item(item_id);
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}
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}
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pub fn walk_body<'v, V: Visitor<'v>>(visitor: &mut V, body: &'v Body<'v>) {
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walk_list!(visitor, visit_param, body.params);
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visitor.visit_expr(&body.value);
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}
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pub fn walk_local<'v, V: Visitor<'v>>(visitor: &mut V, local: &'v Local<'v>) {
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// Intentionally visiting the expr first - the initialization expr
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// dominates the local's definition.
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walk_list!(visitor, visit_expr, &local.init);
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visitor.visit_id(local.hir_id);
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visitor.visit_pat(&local.pat);
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if let Some(els) = local.els {
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visitor.visit_block(els);
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}
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walk_list!(visitor, visit_ty, &local.ty);
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}
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pub fn walk_ident<'v, V: Visitor<'v>>(visitor: &mut V, ident: Ident) {
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visitor.visit_name(ident.name);
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}
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pub fn walk_label<'v, V: Visitor<'v>>(visitor: &mut V, label: &'v Label) {
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visitor.visit_ident(label.ident);
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}
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pub fn walk_generic_arg<'v, V: Visitor<'v>>(visitor: &mut V, generic_arg: &'v GenericArg<'v>) {
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match generic_arg {
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GenericArg::Lifetime(lt) => visitor.visit_lifetime(lt),
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GenericArg::Type(ty) => visitor.visit_ty(ty),
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GenericArg::Const(ct) => visitor.visit_anon_const(&ct.value),
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GenericArg::Infer(inf) => visitor.visit_infer(inf),
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}
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}
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pub fn walk_lifetime<'v, V: Visitor<'v>>(visitor: &mut V, lifetime: &'v Lifetime) {
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visitor.visit_id(lifetime.hir_id);
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match lifetime.name {
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LifetimeName::Param(_, ParamName::Plain(ident)) => {
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visitor.visit_ident(ident);
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}
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LifetimeName::Param(_, ParamName::Fresh)
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| LifetimeName::Param(_, ParamName::Error)
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| LifetimeName::Static
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| LifetimeName::Error
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| LifetimeName::ImplicitObjectLifetimeDefault
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| LifetimeName::Infer => {}
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}
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}
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pub fn walk_poly_trait_ref<'v, V: Visitor<'v>>(visitor: &mut V, trait_ref: &'v PolyTraitRef<'v>) {
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walk_list!(visitor, visit_generic_param, trait_ref.bound_generic_params);
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visitor.visit_trait_ref(&trait_ref.trait_ref);
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}
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pub fn walk_trait_ref<'v, V: Visitor<'v>>(visitor: &mut V, trait_ref: &'v TraitRef<'v>) {
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visitor.visit_id(trait_ref.hir_ref_id);
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visitor.visit_path(&trait_ref.path, trait_ref.hir_ref_id)
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}
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pub fn walk_param<'v, V: Visitor<'v>>(visitor: &mut V, param: &'v Param<'v>) {
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visitor.visit_id(param.hir_id);
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visitor.visit_pat(¶m.pat);
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@ -605,142 +539,80 @@ pub fn walk_item<'v, V: Visitor<'v>>(visitor: &mut V, item: &'v Item<'v>) {
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}
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}
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pub fn walk_inline_asm<'v, V: Visitor<'v>>(visitor: &mut V, asm: &'v InlineAsm<'v>, id: HirId) {
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for (op, op_sp) in asm.operands {
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match op {
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InlineAsmOperand::In { expr, .. } | InlineAsmOperand::InOut { expr, .. } => {
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visitor.visit_expr(expr)
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pub fn walk_body<'v, V: Visitor<'v>>(visitor: &mut V, body: &'v Body<'v>) {
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walk_list!(visitor, visit_param, body.params);
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visitor.visit_expr(&body.value);
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}
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pub fn walk_ident<'v, V: Visitor<'v>>(visitor: &mut V, ident: Ident) {
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visitor.visit_name(ident.name);
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}
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pub fn walk_mod<'v, V: Visitor<'v>>(visitor: &mut V, module: &'v Mod<'v>, mod_hir_id: HirId) {
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visitor.visit_id(mod_hir_id);
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for &item_id in module.item_ids {
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visitor.visit_nested_item(item_id);
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}
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}
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pub fn walk_foreign_item<'v, V: Visitor<'v>>(visitor: &mut V, foreign_item: &'v ForeignItem<'v>) {
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visitor.visit_id(foreign_item.hir_id());
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visitor.visit_ident(foreign_item.ident);
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match foreign_item.kind {
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ForeignItemKind::Fn(ref function_declaration, param_names, ref generics) => {
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visitor.visit_generics(generics);
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visitor.visit_fn_decl(function_declaration);
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for ¶m_name in param_names {
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visitor.visit_ident(param_name);
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}
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InlineAsmOperand::Out { expr, .. } => {
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if let Some(expr) = expr {
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visitor.visit_expr(expr);
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}
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}
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ForeignItemKind::Static(ref typ, _) => visitor.visit_ty(typ),
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ForeignItemKind::Type => (),
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}
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}
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pub fn walk_local<'v, V: Visitor<'v>>(visitor: &mut V, local: &'v Local<'v>) {
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// Intentionally visiting the expr first - the initialization expr
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// dominates the local's definition.
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walk_list!(visitor, visit_expr, &local.init);
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visitor.visit_id(local.hir_id);
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visitor.visit_pat(&local.pat);
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if let Some(els) = local.els {
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visitor.visit_block(els);
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}
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walk_list!(visitor, visit_ty, &local.ty);
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}
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pub fn walk_block<'v, V: Visitor<'v>>(visitor: &mut V, block: &'v Block<'v>) {
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visitor.visit_id(block.hir_id);
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walk_list!(visitor, visit_stmt, block.stmts);
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walk_list!(visitor, visit_expr, &block.expr);
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}
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pub fn walk_stmt<'v, V: Visitor<'v>>(visitor: &mut V, statement: &'v Stmt<'v>) {
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visitor.visit_id(statement.hir_id);
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match statement.kind {
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StmtKind::Local(ref local) => visitor.visit_local(local),
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StmtKind::Item(item) => visitor.visit_nested_item(item),
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StmtKind::Expr(ref expression) | StmtKind::Semi(ref expression) => {
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visitor.visit_expr(expression)
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}
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}
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}
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pub fn walk_arm<'v, V: Visitor<'v>>(visitor: &mut V, arm: &'v Arm<'v>) {
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visitor.visit_id(arm.hir_id);
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visitor.visit_pat(&arm.pat);
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if let Some(ref g) = arm.guard {
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match g {
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Guard::If(ref e) => visitor.visit_expr(e),
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Guard::IfLet(ref l) => {
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visitor.visit_let_expr(l);
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}
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InlineAsmOperand::SplitInOut { in_expr, out_expr, .. } => {
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visitor.visit_expr(in_expr);
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if let Some(out_expr) = out_expr {
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visitor.visit_expr(out_expr);
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}
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}
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InlineAsmOperand::Const { anon_const, .. }
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| InlineAsmOperand::SymFn { anon_const, .. } => visitor.visit_anon_const(anon_const),
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InlineAsmOperand::SymStatic { path, .. } => visitor.visit_qpath(path, id, *op_sp),
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}
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}
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}
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pub fn walk_use<'v, V: Visitor<'v>>(visitor: &mut V, path: &'v Path<'v>, hir_id: HirId) {
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visitor.visit_id(hir_id);
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visitor.visit_path(path, hir_id);
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}
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pub fn walk_enum_def<'v, V: Visitor<'v>>(
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visitor: &mut V,
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enum_definition: &'v EnumDef<'v>,
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item_id: HirId,
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) {
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visitor.visit_id(item_id);
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walk_list!(visitor, visit_variant, enum_definition.variants);
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}
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pub fn walk_variant<'v, V: Visitor<'v>>(visitor: &mut V, variant: &'v Variant<'v>) {
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visitor.visit_ident(variant.ident);
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visitor.visit_id(variant.id);
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visitor.visit_variant_data(&variant.data);
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walk_list!(visitor, visit_anon_const, &variant.disr_expr);
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}
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pub fn walk_ty<'v, V: Visitor<'v>>(visitor: &mut V, typ: &'v Ty<'v>) {
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visitor.visit_id(typ.hir_id);
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match typ.kind {
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TyKind::Slice(ref ty) => visitor.visit_ty(ty),
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TyKind::Ptr(ref mutable_type) => visitor.visit_ty(&mutable_type.ty),
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TyKind::Rptr(ref lifetime, ref mutable_type) => {
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visitor.visit_lifetime(lifetime);
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visitor.visit_ty(&mutable_type.ty)
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}
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TyKind::Never => {}
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TyKind::Tup(tuple_element_types) => {
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walk_list!(visitor, visit_ty, tuple_element_types);
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}
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TyKind::BareFn(ref function_declaration) => {
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walk_list!(visitor, visit_generic_param, function_declaration.generic_params);
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visitor.visit_fn_decl(&function_declaration.decl);
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}
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TyKind::Path(ref qpath) => {
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visitor.visit_qpath(qpath, typ.hir_id, typ.span);
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}
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TyKind::OpaqueDef(item_id, lifetimes, _in_trait) => {
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visitor.visit_nested_item(item_id);
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walk_list!(visitor, visit_generic_arg, lifetimes);
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}
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TyKind::Array(ref ty, ref length) => {
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visitor.visit_ty(ty);
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visitor.visit_array_length(length)
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}
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TyKind::TraitObject(bounds, ref lifetime, _syntax) => {
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for bound in bounds {
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visitor.visit_poly_trait_ref(bound);
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}
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visitor.visit_lifetime(lifetime);
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}
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TyKind::Typeof(ref expression) => visitor.visit_anon_const(expression),
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TyKind::Infer | TyKind::Err => {}
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}
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}
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pub fn walk_inf<'v, V: Visitor<'v>>(visitor: &mut V, inf: &'v InferArg) {
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visitor.visit_id(inf.hir_id);
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}
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pub fn walk_qpath<'v, V: Visitor<'v>>(visitor: &mut V, qpath: &'v QPath<'v>, id: HirId) {
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match *qpath {
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QPath::Resolved(ref maybe_qself, ref path) => {
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walk_list!(visitor, visit_ty, maybe_qself);
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visitor.visit_path(path, id)
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}
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QPath::TypeRelative(ref qself, ref segment) => {
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visitor.visit_ty(qself);
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visitor.visit_path_segment(segment);
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}
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QPath::LangItem(..) => {}
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}
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}
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pub fn walk_path<'v, V: Visitor<'v>>(visitor: &mut V, path: &'v Path<'v>) {
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for segment in path.segments {
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visitor.visit_path_segment(segment);
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}
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}
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pub fn walk_path_segment<'v, V: Visitor<'v>>(visitor: &mut V, segment: &'v PathSegment<'v>) {
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visitor.visit_ident(segment.ident);
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visitor.visit_id(segment.hir_id);
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if let Some(ref args) = segment.args {
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visitor.visit_generic_args(args);
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}
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}
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pub fn walk_generic_args<'v, V: Visitor<'v>>(visitor: &mut V, generic_args: &'v GenericArgs<'v>) {
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walk_list!(visitor, visit_generic_arg, generic_args.args);
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walk_list!(visitor, visit_assoc_type_binding, generic_args.bindings);
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}
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pub fn walk_assoc_type_binding<'v, V: Visitor<'v>>(
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visitor: &mut V,
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type_binding: &'v TypeBinding<'v>,
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) {
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visitor.visit_id(type_binding.hir_id);
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visitor.visit_ident(type_binding.ident);
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visitor.visit_generic_args(type_binding.gen_args);
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match type_binding.kind {
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TypeBindingKind::Equality { ref term } => match term {
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Term::Ty(ref ty) => visitor.visit_ty(ty),
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Term::Const(ref c) => visitor.visit_anon_const(c),
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},
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TypeBindingKind::Constraint { bounds } => walk_list!(visitor, visit_param_bound, bounds),
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}
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visitor.visit_expr(&arm.body);
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}
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pub fn walk_pat<'v, V: Visitor<'v>>(visitor: &mut V, pattern: &'v Pat<'v>) {
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@ -788,257 +660,6 @@ pub fn walk_pat_field<'v, V: Visitor<'v>>(visitor: &mut V, field: &'v PatField<'
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visitor.visit_pat(&field.pat)
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}
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pub fn walk_foreign_item<'v, V: Visitor<'v>>(visitor: &mut V, foreign_item: &'v ForeignItem<'v>) {
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visitor.visit_id(foreign_item.hir_id());
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visitor.visit_ident(foreign_item.ident);
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match foreign_item.kind {
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ForeignItemKind::Fn(ref function_declaration, param_names, ref generics) => {
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visitor.visit_generics(generics);
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visitor.visit_fn_decl(function_declaration);
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for ¶m_name in param_names {
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visitor.visit_ident(param_name);
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}
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}
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ForeignItemKind::Static(ref typ, _) => visitor.visit_ty(typ),
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ForeignItemKind::Type => (),
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}
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}
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pub fn walk_param_bound<'v, V: Visitor<'v>>(visitor: &mut V, bound: &'v GenericBound<'v>) {
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match *bound {
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GenericBound::Trait(ref typ, _modifier) => {
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visitor.visit_poly_trait_ref(typ);
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}
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GenericBound::LangItemTrait(_, _span, hir_id, args) => {
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visitor.visit_id(hir_id);
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visitor.visit_generic_args(args);
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}
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GenericBound::Outlives(ref lifetime) => visitor.visit_lifetime(lifetime),
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}
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}
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pub fn walk_generic_param<'v, V: Visitor<'v>>(visitor: &mut V, param: &'v GenericParam<'v>) {
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visitor.visit_id(param.hir_id);
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match param.name {
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ParamName::Plain(ident) => visitor.visit_ident(ident),
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ParamName::Error | ParamName::Fresh => {}
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}
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match param.kind {
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GenericParamKind::Lifetime { .. } => {}
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GenericParamKind::Type { ref default, .. } => walk_list!(visitor, visit_ty, default),
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GenericParamKind::Const { ref ty, ref default } => {
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visitor.visit_ty(ty);
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if let Some(ref default) = default {
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visitor.visit_const_param_default(param.hir_id, default);
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}
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}
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}
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}
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pub fn walk_const_param_default<'v, V: Visitor<'v>>(visitor: &mut V, ct: &'v AnonConst) {
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visitor.visit_anon_const(ct)
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}
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pub fn walk_generics<'v, V: Visitor<'v>>(visitor: &mut V, generics: &'v Generics<'v>) {
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walk_list!(visitor, visit_generic_param, generics.params);
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walk_list!(visitor, visit_where_predicate, generics.predicates);
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}
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pub fn walk_where_predicate<'v, V: Visitor<'v>>(
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visitor: &mut V,
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predicate: &'v WherePredicate<'v>,
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) {
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match *predicate {
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WherePredicate::BoundPredicate(WhereBoundPredicate {
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hir_id,
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ref bounded_ty,
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bounds,
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bound_generic_params,
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origin: _,
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span: _,
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}) => {
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visitor.visit_id(hir_id);
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visitor.visit_ty(bounded_ty);
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walk_list!(visitor, visit_param_bound, bounds);
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walk_list!(visitor, visit_generic_param, bound_generic_params);
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}
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WherePredicate::RegionPredicate(WhereRegionPredicate {
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ref lifetime,
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bounds,
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span: _,
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in_where_clause: _,
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}) => {
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visitor.visit_lifetime(lifetime);
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walk_list!(visitor, visit_param_bound, bounds);
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}
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WherePredicate::EqPredicate(WhereEqPredicate { ref lhs_ty, ref rhs_ty, span: _ }) => {
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visitor.visit_ty(lhs_ty);
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visitor.visit_ty(rhs_ty);
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}
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}
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}
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pub fn walk_fn_ret_ty<'v, V: Visitor<'v>>(visitor: &mut V, ret_ty: &'v FnRetTy<'v>) {
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if let FnRetTy::Return(ref output_ty) = *ret_ty {
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visitor.visit_ty(output_ty)
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}
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}
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pub fn walk_fn_decl<'v, V: Visitor<'v>>(visitor: &mut V, function_declaration: &'v FnDecl<'v>) {
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for ty in function_declaration.inputs {
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visitor.visit_ty(ty)
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}
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walk_fn_ret_ty(visitor, &function_declaration.output)
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}
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pub fn walk_fn_kind<'v, V: Visitor<'v>>(visitor: &mut V, function_kind: FnKind<'v>) {
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match function_kind {
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FnKind::ItemFn(_, generics, ..) => {
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visitor.visit_generics(generics);
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}
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FnKind::Closure | FnKind::Method(..) => {}
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}
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}
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pub fn walk_fn<'v, V: Visitor<'v>>(
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visitor: &mut V,
|
||||
function_kind: FnKind<'v>,
|
||||
function_declaration: &'v FnDecl<'v>,
|
||||
body_id: BodyId,
|
||||
id: HirId,
|
||||
) {
|
||||
visitor.visit_id(id);
|
||||
visitor.visit_fn_decl(function_declaration);
|
||||
walk_fn_kind(visitor, function_kind);
|
||||
visitor.visit_nested_body(body_id)
|
||||
}
|
||||
|
||||
pub fn walk_trait_item<'v, V: Visitor<'v>>(visitor: &mut V, trait_item: &'v TraitItem<'v>) {
|
||||
// N.B., deliberately force a compilation error if/when new fields are added.
|
||||
let TraitItem { ident, generics, ref defaultness, ref kind, span, owner_id: _ } = *trait_item;
|
||||
let hir_id = trait_item.hir_id();
|
||||
visitor.visit_ident(ident);
|
||||
visitor.visit_generics(&generics);
|
||||
visitor.visit_defaultness(&defaultness);
|
||||
match *kind {
|
||||
TraitItemKind::Const(ref ty, default) => {
|
||||
visitor.visit_id(hir_id);
|
||||
visitor.visit_ty(ty);
|
||||
walk_list!(visitor, visit_nested_body, default);
|
||||
}
|
||||
TraitItemKind::Fn(ref sig, TraitFn::Required(param_names)) => {
|
||||
visitor.visit_id(hir_id);
|
||||
visitor.visit_fn_decl(&sig.decl);
|
||||
for ¶m_name in param_names {
|
||||
visitor.visit_ident(param_name);
|
||||
}
|
||||
}
|
||||
TraitItemKind::Fn(ref sig, TraitFn::Provided(body_id)) => {
|
||||
visitor.visit_fn(FnKind::Method(ident, sig), &sig.decl, body_id, span, hir_id);
|
||||
}
|
||||
TraitItemKind::Type(bounds, ref default) => {
|
||||
visitor.visit_id(hir_id);
|
||||
walk_list!(visitor, visit_param_bound, bounds);
|
||||
walk_list!(visitor, visit_ty, default);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_trait_item_ref<'v, V: Visitor<'v>>(visitor: &mut V, trait_item_ref: &'v TraitItemRef) {
|
||||
// N.B., deliberately force a compilation error if/when new fields are added.
|
||||
let TraitItemRef { id, ident, ref kind, span: _ } = *trait_item_ref;
|
||||
visitor.visit_nested_trait_item(id);
|
||||
visitor.visit_ident(ident);
|
||||
visitor.visit_associated_item_kind(kind);
|
||||
}
|
||||
|
||||
pub fn walk_impl_item<'v, V: Visitor<'v>>(visitor: &mut V, impl_item: &'v ImplItem<'v>) {
|
||||
// N.B., deliberately force a compilation error if/when new fields are added.
|
||||
let ImplItem {
|
||||
owner_id: _,
|
||||
ident,
|
||||
ref generics,
|
||||
ref kind,
|
||||
ref defaultness,
|
||||
span: _,
|
||||
vis_span: _,
|
||||
} = *impl_item;
|
||||
|
||||
visitor.visit_ident(ident);
|
||||
visitor.visit_generics(generics);
|
||||
visitor.visit_defaultness(defaultness);
|
||||
match *kind {
|
||||
ImplItemKind::Const(ref ty, body) => {
|
||||
visitor.visit_id(impl_item.hir_id());
|
||||
visitor.visit_ty(ty);
|
||||
visitor.visit_nested_body(body);
|
||||
}
|
||||
ImplItemKind::Fn(ref sig, body_id) => {
|
||||
visitor.visit_fn(
|
||||
FnKind::Method(impl_item.ident, sig),
|
||||
&sig.decl,
|
||||
body_id,
|
||||
impl_item.span,
|
||||
impl_item.hir_id(),
|
||||
);
|
||||
}
|
||||
ImplItemKind::Type(ref ty) => {
|
||||
visitor.visit_id(impl_item.hir_id());
|
||||
visitor.visit_ty(ty);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_foreign_item_ref<'v, V: Visitor<'v>>(
|
||||
visitor: &mut V,
|
||||
foreign_item_ref: &'v ForeignItemRef,
|
||||
) {
|
||||
// N.B., deliberately force a compilation error if/when new fields are added.
|
||||
let ForeignItemRef { id, ident, span: _ } = *foreign_item_ref;
|
||||
visitor.visit_nested_foreign_item(id);
|
||||
visitor.visit_ident(ident);
|
||||
}
|
||||
|
||||
pub fn walk_impl_item_ref<'v, V: Visitor<'v>>(visitor: &mut V, impl_item_ref: &'v ImplItemRef) {
|
||||
// N.B., deliberately force a compilation error if/when new fields are added.
|
||||
let ImplItemRef { id, ident, ref kind, span: _, trait_item_def_id: _ } = *impl_item_ref;
|
||||
visitor.visit_nested_impl_item(id);
|
||||
visitor.visit_ident(ident);
|
||||
visitor.visit_associated_item_kind(kind);
|
||||
}
|
||||
|
||||
pub fn walk_struct_def<'v, V: Visitor<'v>>(
|
||||
visitor: &mut V,
|
||||
struct_definition: &'v VariantData<'v>,
|
||||
) {
|
||||
walk_list!(visitor, visit_id, struct_definition.ctor_hir_id());
|
||||
walk_list!(visitor, visit_field_def, struct_definition.fields());
|
||||
}
|
||||
|
||||
pub fn walk_field_def<'v, V: Visitor<'v>>(visitor: &mut V, field: &'v FieldDef<'v>) {
|
||||
visitor.visit_id(field.hir_id);
|
||||
visitor.visit_ident(field.ident);
|
||||
visitor.visit_ty(&field.ty);
|
||||
}
|
||||
|
||||
pub fn walk_block<'v, V: Visitor<'v>>(visitor: &mut V, block: &'v Block<'v>) {
|
||||
visitor.visit_id(block.hir_id);
|
||||
walk_list!(visitor, visit_stmt, block.stmts);
|
||||
walk_list!(visitor, visit_expr, &block.expr);
|
||||
}
|
||||
|
||||
pub fn walk_stmt<'v, V: Visitor<'v>>(visitor: &mut V, statement: &'v Stmt<'v>) {
|
||||
visitor.visit_id(statement.hir_id);
|
||||
match statement.kind {
|
||||
StmtKind::Local(ref local) => visitor.visit_local(local),
|
||||
StmtKind::Item(item) => visitor.visit_nested_item(item),
|
||||
StmtKind::Expr(ref expression) | StmtKind::Semi(ref expression) => {
|
||||
visitor.visit_expr(expression)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_array_len<'v, V: Visitor<'v>>(visitor: &mut V, len: &'v ArrayLen) {
|
||||
match len {
|
||||
&ArrayLen::Infer(hir_id, _span) => visitor.visit_id(hir_id),
|
||||
@ -1051,20 +672,6 @@ pub fn walk_anon_const<'v, V: Visitor<'v>>(visitor: &mut V, constant: &'v AnonCo
|
||||
visitor.visit_nested_body(constant.body);
|
||||
}
|
||||
|
||||
pub fn walk_let_expr<'v, V: Visitor<'v>>(visitor: &mut V, let_expr: &'v Let<'v>) {
|
||||
// match the visit order in walk_local
|
||||
visitor.visit_expr(let_expr.init);
|
||||
visitor.visit_id(let_expr.hir_id);
|
||||
visitor.visit_pat(let_expr.pat);
|
||||
walk_list!(visitor, visit_ty, let_expr.ty);
|
||||
}
|
||||
|
||||
pub fn walk_expr_field<'v, V: Visitor<'v>>(visitor: &mut V, field: &'v ExprField<'v>) {
|
||||
visitor.visit_id(field.hir_id);
|
||||
visitor.visit_ident(field.ident);
|
||||
visitor.visit_expr(&field.expr)
|
||||
}
|
||||
|
||||
pub fn walk_expr<'v, V: Visitor<'v>>(visitor: &mut V, expression: &'v Expr<'v>) {
|
||||
visitor.visit_id(expression.hir_id);
|
||||
match expression.kind {
|
||||
@ -1177,18 +784,387 @@ pub fn walk_expr<'v, V: Visitor<'v>>(visitor: &mut V, expression: &'v Expr<'v>)
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_arm<'v, V: Visitor<'v>>(visitor: &mut V, arm: &'v Arm<'v>) {
|
||||
visitor.visit_id(arm.hir_id);
|
||||
visitor.visit_pat(&arm.pat);
|
||||
if let Some(ref g) = arm.guard {
|
||||
match g {
|
||||
Guard::If(ref e) => visitor.visit_expr(e),
|
||||
Guard::IfLet(ref l) => {
|
||||
visitor.visit_let_expr(l);
|
||||
pub fn walk_let_expr<'v, V: Visitor<'v>>(visitor: &mut V, let_expr: &'v Let<'v>) {
|
||||
// match the visit order in walk_local
|
||||
visitor.visit_expr(let_expr.init);
|
||||
visitor.visit_id(let_expr.hir_id);
|
||||
visitor.visit_pat(let_expr.pat);
|
||||
walk_list!(visitor, visit_ty, let_expr.ty);
|
||||
}
|
||||
|
||||
pub fn walk_expr_field<'v, V: Visitor<'v>>(visitor: &mut V, field: &'v ExprField<'v>) {
|
||||
visitor.visit_id(field.hir_id);
|
||||
visitor.visit_ident(field.ident);
|
||||
visitor.visit_expr(&field.expr)
|
||||
}
|
||||
|
||||
pub fn walk_ty<'v, V: Visitor<'v>>(visitor: &mut V, typ: &'v Ty<'v>) {
|
||||
visitor.visit_id(typ.hir_id);
|
||||
|
||||
match typ.kind {
|
||||
TyKind::Slice(ref ty) => visitor.visit_ty(ty),
|
||||
TyKind::Ptr(ref mutable_type) => visitor.visit_ty(&mutable_type.ty),
|
||||
TyKind::Rptr(ref lifetime, ref mutable_type) => {
|
||||
visitor.visit_lifetime(lifetime);
|
||||
visitor.visit_ty(&mutable_type.ty)
|
||||
}
|
||||
TyKind::Never => {}
|
||||
TyKind::Tup(tuple_element_types) => {
|
||||
walk_list!(visitor, visit_ty, tuple_element_types);
|
||||
}
|
||||
TyKind::BareFn(ref function_declaration) => {
|
||||
walk_list!(visitor, visit_generic_param, function_declaration.generic_params);
|
||||
visitor.visit_fn_decl(&function_declaration.decl);
|
||||
}
|
||||
TyKind::Path(ref qpath) => {
|
||||
visitor.visit_qpath(qpath, typ.hir_id, typ.span);
|
||||
}
|
||||
TyKind::OpaqueDef(item_id, lifetimes, _in_trait) => {
|
||||
visitor.visit_nested_item(item_id);
|
||||
walk_list!(visitor, visit_generic_arg, lifetimes);
|
||||
}
|
||||
TyKind::Array(ref ty, ref length) => {
|
||||
visitor.visit_ty(ty);
|
||||
visitor.visit_array_length(length)
|
||||
}
|
||||
TyKind::TraitObject(bounds, ref lifetime, _syntax) => {
|
||||
for bound in bounds {
|
||||
visitor.visit_poly_trait_ref(bound);
|
||||
}
|
||||
visitor.visit_lifetime(lifetime);
|
||||
}
|
||||
TyKind::Typeof(ref expression) => visitor.visit_anon_const(expression),
|
||||
TyKind::Infer | TyKind::Err => {}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_generic_param<'v, V: Visitor<'v>>(visitor: &mut V, param: &'v GenericParam<'v>) {
|
||||
visitor.visit_id(param.hir_id);
|
||||
match param.name {
|
||||
ParamName::Plain(ident) => visitor.visit_ident(ident),
|
||||
ParamName::Error | ParamName::Fresh => {}
|
||||
}
|
||||
match param.kind {
|
||||
GenericParamKind::Lifetime { .. } => {}
|
||||
GenericParamKind::Type { ref default, .. } => walk_list!(visitor, visit_ty, default),
|
||||
GenericParamKind::Const { ref ty, ref default } => {
|
||||
visitor.visit_ty(ty);
|
||||
if let Some(ref default) = default {
|
||||
visitor.visit_const_param_default(param.hir_id, default);
|
||||
}
|
||||
}
|
||||
}
|
||||
visitor.visit_expr(&arm.body);
|
||||
}
|
||||
|
||||
pub fn walk_const_param_default<'v, V: Visitor<'v>>(visitor: &mut V, ct: &'v AnonConst) {
|
||||
visitor.visit_anon_const(ct)
|
||||
}
|
||||
|
||||
pub fn walk_generics<'v, V: Visitor<'v>>(visitor: &mut V, generics: &'v Generics<'v>) {
|
||||
walk_list!(visitor, visit_generic_param, generics.params);
|
||||
walk_list!(visitor, visit_where_predicate, generics.predicates);
|
||||
}
|
||||
|
||||
pub fn walk_where_predicate<'v, V: Visitor<'v>>(
|
||||
visitor: &mut V,
|
||||
predicate: &'v WherePredicate<'v>,
|
||||
) {
|
||||
match *predicate {
|
||||
WherePredicate::BoundPredicate(WhereBoundPredicate {
|
||||
hir_id,
|
||||
ref bounded_ty,
|
||||
bounds,
|
||||
bound_generic_params,
|
||||
origin: _,
|
||||
span: _,
|
||||
}) => {
|
||||
visitor.visit_id(hir_id);
|
||||
visitor.visit_ty(bounded_ty);
|
||||
walk_list!(visitor, visit_param_bound, bounds);
|
||||
walk_list!(visitor, visit_generic_param, bound_generic_params);
|
||||
}
|
||||
WherePredicate::RegionPredicate(WhereRegionPredicate {
|
||||
ref lifetime,
|
||||
bounds,
|
||||
span: _,
|
||||
in_where_clause: _,
|
||||
}) => {
|
||||
visitor.visit_lifetime(lifetime);
|
||||
walk_list!(visitor, visit_param_bound, bounds);
|
||||
}
|
||||
WherePredicate::EqPredicate(WhereEqPredicate { ref lhs_ty, ref rhs_ty, span: _ }) => {
|
||||
visitor.visit_ty(lhs_ty);
|
||||
visitor.visit_ty(rhs_ty);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_fn_decl<'v, V: Visitor<'v>>(visitor: &mut V, function_declaration: &'v FnDecl<'v>) {
|
||||
for ty in function_declaration.inputs {
|
||||
visitor.visit_ty(ty)
|
||||
}
|
||||
walk_fn_ret_ty(visitor, &function_declaration.output)
|
||||
}
|
||||
|
||||
pub fn walk_fn_ret_ty<'v, V: Visitor<'v>>(visitor: &mut V, ret_ty: &'v FnRetTy<'v>) {
|
||||
if let FnRetTy::Return(ref output_ty) = *ret_ty {
|
||||
visitor.visit_ty(output_ty)
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_fn<'v, V: Visitor<'v>>(
|
||||
visitor: &mut V,
|
||||
function_kind: FnKind<'v>,
|
||||
function_declaration: &'v FnDecl<'v>,
|
||||
body_id: BodyId,
|
||||
id: HirId,
|
||||
) {
|
||||
visitor.visit_id(id);
|
||||
visitor.visit_fn_decl(function_declaration);
|
||||
walk_fn_kind(visitor, function_kind);
|
||||
visitor.visit_nested_body(body_id)
|
||||
}
|
||||
|
||||
pub fn walk_fn_kind<'v, V: Visitor<'v>>(visitor: &mut V, function_kind: FnKind<'v>) {
|
||||
match function_kind {
|
||||
FnKind::ItemFn(_, generics, ..) => {
|
||||
visitor.visit_generics(generics);
|
||||
}
|
||||
FnKind::Closure | FnKind::Method(..) => {}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_use<'v, V: Visitor<'v>>(visitor: &mut V, path: &'v Path<'v>, hir_id: HirId) {
|
||||
visitor.visit_id(hir_id);
|
||||
visitor.visit_path(path, hir_id);
|
||||
}
|
||||
|
||||
pub fn walk_trait_item<'v, V: Visitor<'v>>(visitor: &mut V, trait_item: &'v TraitItem<'v>) {
|
||||
// N.B., deliberately force a compilation error if/when new fields are added.
|
||||
let TraitItem { ident, generics, ref defaultness, ref kind, span, owner_id: _ } = *trait_item;
|
||||
let hir_id = trait_item.hir_id();
|
||||
visitor.visit_ident(ident);
|
||||
visitor.visit_generics(&generics);
|
||||
visitor.visit_defaultness(&defaultness);
|
||||
match *kind {
|
||||
TraitItemKind::Const(ref ty, default) => {
|
||||
visitor.visit_id(hir_id);
|
||||
visitor.visit_ty(ty);
|
||||
walk_list!(visitor, visit_nested_body, default);
|
||||
}
|
||||
TraitItemKind::Fn(ref sig, TraitFn::Required(param_names)) => {
|
||||
visitor.visit_id(hir_id);
|
||||
visitor.visit_fn_decl(&sig.decl);
|
||||
for ¶m_name in param_names {
|
||||
visitor.visit_ident(param_name);
|
||||
}
|
||||
}
|
||||
TraitItemKind::Fn(ref sig, TraitFn::Provided(body_id)) => {
|
||||
visitor.visit_fn(FnKind::Method(ident, sig), &sig.decl, body_id, span, hir_id);
|
||||
}
|
||||
TraitItemKind::Type(bounds, ref default) => {
|
||||
visitor.visit_id(hir_id);
|
||||
walk_list!(visitor, visit_param_bound, bounds);
|
||||
walk_list!(visitor, visit_ty, default);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_trait_item_ref<'v, V: Visitor<'v>>(visitor: &mut V, trait_item_ref: &'v TraitItemRef) {
|
||||
// N.B., deliberately force a compilation error if/when new fields are added.
|
||||
let TraitItemRef { id, ident, ref kind, span: _ } = *trait_item_ref;
|
||||
visitor.visit_nested_trait_item(id);
|
||||
visitor.visit_ident(ident);
|
||||
visitor.visit_associated_item_kind(kind);
|
||||
}
|
||||
|
||||
pub fn walk_impl_item<'v, V: Visitor<'v>>(visitor: &mut V, impl_item: &'v ImplItem<'v>) {
|
||||
// N.B., deliberately force a compilation error if/when new fields are added.
|
||||
let ImplItem {
|
||||
owner_id: _,
|
||||
ident,
|
||||
ref generics,
|
||||
ref kind,
|
||||
ref defaultness,
|
||||
span: _,
|
||||
vis_span: _,
|
||||
} = *impl_item;
|
||||
|
||||
visitor.visit_ident(ident);
|
||||
visitor.visit_generics(generics);
|
||||
visitor.visit_defaultness(defaultness);
|
||||
match *kind {
|
||||
ImplItemKind::Const(ref ty, body) => {
|
||||
visitor.visit_id(impl_item.hir_id());
|
||||
visitor.visit_ty(ty);
|
||||
visitor.visit_nested_body(body);
|
||||
}
|
||||
ImplItemKind::Fn(ref sig, body_id) => {
|
||||
visitor.visit_fn(
|
||||
FnKind::Method(impl_item.ident, sig),
|
||||
&sig.decl,
|
||||
body_id,
|
||||
impl_item.span,
|
||||
impl_item.hir_id(),
|
||||
);
|
||||
}
|
||||
ImplItemKind::Type(ref ty) => {
|
||||
visitor.visit_id(impl_item.hir_id());
|
||||
visitor.visit_ty(ty);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_foreign_item_ref<'v, V: Visitor<'v>>(
|
||||
visitor: &mut V,
|
||||
foreign_item_ref: &'v ForeignItemRef,
|
||||
) {
|
||||
// N.B., deliberately force a compilation error if/when new fields are added.
|
||||
let ForeignItemRef { id, ident, span: _ } = *foreign_item_ref;
|
||||
visitor.visit_nested_foreign_item(id);
|
||||
visitor.visit_ident(ident);
|
||||
}
|
||||
|
||||
pub fn walk_impl_item_ref<'v, V: Visitor<'v>>(visitor: &mut V, impl_item_ref: &'v ImplItemRef) {
|
||||
// N.B., deliberately force a compilation error if/when new fields are added.
|
||||
let ImplItemRef { id, ident, ref kind, span: _, trait_item_def_id: _ } = *impl_item_ref;
|
||||
visitor.visit_nested_impl_item(id);
|
||||
visitor.visit_ident(ident);
|
||||
visitor.visit_associated_item_kind(kind);
|
||||
}
|
||||
|
||||
pub fn walk_trait_ref<'v, V: Visitor<'v>>(visitor: &mut V, trait_ref: &'v TraitRef<'v>) {
|
||||
visitor.visit_id(trait_ref.hir_ref_id);
|
||||
visitor.visit_path(&trait_ref.path, trait_ref.hir_ref_id)
|
||||
}
|
||||
|
||||
pub fn walk_param_bound<'v, V: Visitor<'v>>(visitor: &mut V, bound: &'v GenericBound<'v>) {
|
||||
match *bound {
|
||||
GenericBound::Trait(ref typ, _modifier) => {
|
||||
visitor.visit_poly_trait_ref(typ);
|
||||
}
|
||||
GenericBound::LangItemTrait(_, _span, hir_id, args) => {
|
||||
visitor.visit_id(hir_id);
|
||||
visitor.visit_generic_args(args);
|
||||
}
|
||||
GenericBound::Outlives(ref lifetime) => visitor.visit_lifetime(lifetime),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_poly_trait_ref<'v, V: Visitor<'v>>(visitor: &mut V, trait_ref: &'v PolyTraitRef<'v>) {
|
||||
walk_list!(visitor, visit_generic_param, trait_ref.bound_generic_params);
|
||||
visitor.visit_trait_ref(&trait_ref.trait_ref);
|
||||
}
|
||||
|
||||
pub fn walk_struct_def<'v, V: Visitor<'v>>(
|
||||
visitor: &mut V,
|
||||
struct_definition: &'v VariantData<'v>,
|
||||
) {
|
||||
walk_list!(visitor, visit_id, struct_definition.ctor_hir_id());
|
||||
walk_list!(visitor, visit_field_def, struct_definition.fields());
|
||||
}
|
||||
|
||||
pub fn walk_field_def<'v, V: Visitor<'v>>(visitor: &mut V, field: &'v FieldDef<'v>) {
|
||||
visitor.visit_id(field.hir_id);
|
||||
visitor.visit_ident(field.ident);
|
||||
visitor.visit_ty(&field.ty);
|
||||
}
|
||||
|
||||
pub fn walk_enum_def<'v, V: Visitor<'v>>(
|
||||
visitor: &mut V,
|
||||
enum_definition: &'v EnumDef<'v>,
|
||||
item_id: HirId,
|
||||
) {
|
||||
visitor.visit_id(item_id);
|
||||
walk_list!(visitor, visit_variant, enum_definition.variants);
|
||||
}
|
||||
|
||||
pub fn walk_variant<'v, V: Visitor<'v>>(visitor: &mut V, variant: &'v Variant<'v>) {
|
||||
visitor.visit_ident(variant.ident);
|
||||
visitor.visit_id(variant.id);
|
||||
visitor.visit_variant_data(&variant.data);
|
||||
walk_list!(visitor, visit_anon_const, &variant.disr_expr);
|
||||
}
|
||||
|
||||
pub fn walk_label<'v, V: Visitor<'v>>(visitor: &mut V, label: &'v Label) {
|
||||
visitor.visit_ident(label.ident);
|
||||
}
|
||||
|
||||
pub fn walk_inf<'v, V: Visitor<'v>>(visitor: &mut V, inf: &'v InferArg) {
|
||||
visitor.visit_id(inf.hir_id);
|
||||
}
|
||||
|
||||
pub fn walk_generic_arg<'v, V: Visitor<'v>>(visitor: &mut V, generic_arg: &'v GenericArg<'v>) {
|
||||
match generic_arg {
|
||||
GenericArg::Lifetime(lt) => visitor.visit_lifetime(lt),
|
||||
GenericArg::Type(ty) => visitor.visit_ty(ty),
|
||||
GenericArg::Const(ct) => visitor.visit_anon_const(&ct.value),
|
||||
GenericArg::Infer(inf) => visitor.visit_infer(inf),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_lifetime<'v, V: Visitor<'v>>(visitor: &mut V, lifetime: &'v Lifetime) {
|
||||
visitor.visit_id(lifetime.hir_id);
|
||||
match lifetime.name {
|
||||
LifetimeName::Param(_, ParamName::Plain(ident)) => {
|
||||
visitor.visit_ident(ident);
|
||||
}
|
||||
LifetimeName::Param(_, ParamName::Fresh)
|
||||
| LifetimeName::Param(_, ParamName::Error)
|
||||
| LifetimeName::Static
|
||||
| LifetimeName::Error
|
||||
| LifetimeName::ImplicitObjectLifetimeDefault
|
||||
| LifetimeName::Infer => {}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_qpath<'v, V: Visitor<'v>>(visitor: &mut V, qpath: &'v QPath<'v>, id: HirId) {
|
||||
match *qpath {
|
||||
QPath::Resolved(ref maybe_qself, ref path) => {
|
||||
walk_list!(visitor, visit_ty, maybe_qself);
|
||||
visitor.visit_path(path, id)
|
||||
}
|
||||
QPath::TypeRelative(ref qself, ref segment) => {
|
||||
visitor.visit_ty(qself);
|
||||
visitor.visit_path_segment(segment);
|
||||
}
|
||||
QPath::LangItem(..) => {}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_path<'v, V: Visitor<'v>>(visitor: &mut V, path: &'v Path<'v>) {
|
||||
for segment in path.segments {
|
||||
visitor.visit_path_segment(segment);
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_path_segment<'v, V: Visitor<'v>>(visitor: &mut V, segment: &'v PathSegment<'v>) {
|
||||
visitor.visit_ident(segment.ident);
|
||||
visitor.visit_id(segment.hir_id);
|
||||
if let Some(ref args) = segment.args {
|
||||
visitor.visit_generic_args(args);
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_generic_args<'v, V: Visitor<'v>>(visitor: &mut V, generic_args: &'v GenericArgs<'v>) {
|
||||
walk_list!(visitor, visit_generic_arg, generic_args.args);
|
||||
walk_list!(visitor, visit_assoc_type_binding, generic_args.bindings);
|
||||
}
|
||||
|
||||
pub fn walk_assoc_type_binding<'v, V: Visitor<'v>>(
|
||||
visitor: &mut V,
|
||||
type_binding: &'v TypeBinding<'v>,
|
||||
) {
|
||||
visitor.visit_id(type_binding.hir_id);
|
||||
visitor.visit_ident(type_binding.ident);
|
||||
visitor.visit_generic_args(type_binding.gen_args);
|
||||
match type_binding.kind {
|
||||
TypeBindingKind::Equality { ref term } => match term {
|
||||
Term::Ty(ref ty) => visitor.visit_ty(ty),
|
||||
Term::Const(ref c) => visitor.visit_anon_const(c),
|
||||
},
|
||||
TypeBindingKind::Constraint { bounds } => walk_list!(visitor, visit_param_bound, bounds),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn walk_associated_item_kind<'v, V: Visitor<'v>>(_: &mut V, _: &'v AssocItemKind) {
|
||||
@ -1202,3 +1178,27 @@ pub fn walk_defaultness<'v, V: Visitor<'v>>(_: &mut V, _: &'v Defaultness) {
|
||||
// the right thing to do, should content be added in the future,
|
||||
// would be to walk it.
|
||||
}
|
||||
|
||||
pub fn walk_inline_asm<'v, V: Visitor<'v>>(visitor: &mut V, asm: &'v InlineAsm<'v>, id: HirId) {
|
||||
for (op, op_sp) in asm.operands {
|
||||
match op {
|
||||
InlineAsmOperand::In { expr, .. } | InlineAsmOperand::InOut { expr, .. } => {
|
||||
visitor.visit_expr(expr)
|
||||
}
|
||||
InlineAsmOperand::Out { expr, .. } => {
|
||||
if let Some(expr) = expr {
|
||||
visitor.visit_expr(expr);
|
||||
}
|
||||
}
|
||||
InlineAsmOperand::SplitInOut { in_expr, out_expr, .. } => {
|
||||
visitor.visit_expr(in_expr);
|
||||
if let Some(out_expr) = out_expr {
|
||||
visitor.visit_expr(out_expr);
|
||||
}
|
||||
}
|
||||
InlineAsmOperand::Const { anon_const, .. }
|
||||
| InlineAsmOperand::SymFn { anon_const, .. } => visitor.visit_anon_const(anon_const),
|
||||
InlineAsmOperand::SymStatic { path, .. } => visitor.visit_qpath(path, id, *op_sp),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user