From 1376c5a617be5c25655d0d7cb63e3beaa5a6e026 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:20:39 +0200 Subject: Merging upstream version 1.70.0+dfsg1. Signed-off-by: Daniel Baumann --- compiler/rustc_middle/src/metadata.rs | 28 +++++++++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-) (limited to 'compiler/rustc_middle/src/metadata.rs') diff --git a/compiler/rustc_middle/src/metadata.rs b/compiler/rustc_middle/src/metadata.rs index 5ff014c78..f3170e0ec 100644 --- a/compiler/rustc_middle/src/metadata.rs +++ b/compiler/rustc_middle/src/metadata.rs @@ -5,13 +5,34 @@ use rustc_macros::HashStable; use rustc_span::def_id::DefId; use rustc_span::symbol::Ident; use rustc_span::Span; +use smallvec::SmallVec; + +/// A simplified version of `ImportKind` from resolve. +/// `DefId`s here correspond to `use` and `extern crate` items themselves, not their targets. +#[derive(Clone, Copy, Debug, TyEncodable, TyDecodable, HashStable)] +pub enum Reexport { + Single(DefId), + Glob(DefId), + ExternCrate(DefId), + MacroUse, + MacroExport, +} + +impl Reexport { + pub fn id(self) -> Option { + match self { + Reexport::Single(id) | Reexport::Glob(id) | Reexport::ExternCrate(id) => Some(id), + Reexport::MacroUse | Reexport::MacroExport => None, + } + } +} /// This structure is supposed to keep enough data to re-create `NameBinding`s for other crates /// during name resolution. Right now the bindings are not recreated entirely precisely so we may /// need to add more data in the future to correctly support macros 2.0, for example. /// Module child can be either a proper item or a reexport (including private imports). /// In case of reexport all the fields describe the reexport item itself, not what it refers to. -#[derive(Copy, Clone, Debug, TyEncodable, TyDecodable, HashStable)] +#[derive(Debug, TyEncodable, TyDecodable, HashStable)] pub struct ModChild { /// Name of the item. pub ident: Ident, @@ -22,6 +43,7 @@ pub struct ModChild { pub vis: ty::Visibility, /// Span of the item. pub span: Span, - /// A proper `macro_rules` item (not a reexport). - pub macro_rules: bool, + /// Reexport chain linking this module child to its original reexported item. + /// Empty if the module child is a proper item. + pub reexport_chain: SmallVec<[Reexport; 2]>, } -- cgit v1.2.3