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31 lines
1.0 KiB
Rust
31 lines
1.0 KiB
Rust
//! Type definitions for learning about the dependency formats of all upstream
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//! crates (rlibs/dylibs/oh my).
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//!
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//! For all the gory details, see the provider of the `dependency_formats`
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//! query.
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// FIXME: move this file to rustc_metadata::dependency_format, but
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// this will introduce circular dependency between rustc_metadata and rustc_middle
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use rustc_data_structures::fx::FxIndexMap;
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use rustc_hir::def_id::CrateNum;
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use rustc_index::IndexVec;
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use rustc_macros::{Decodable, Encodable, HashStable};
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use rustc_session::config::CrateType;
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/// A list of dependencies for a certain crate type.
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pub type DependencyList = IndexVec<CrateNum, Linkage>;
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/// A mapping of all required dependencies for a particular flavor of output.
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///
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/// This is local to the tcx, and is generally relevant to one session.
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pub type Dependencies = FxIndexMap<CrateType, DependencyList>;
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#[derive(Copy, Clone, PartialEq, Debug, HashStable, Encodable, Decodable)]
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pub enum Linkage {
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NotLinked,
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IncludedFromDylib,
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Static,
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Dynamic,
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}
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