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rustc_interface: Add a new query pre_configure

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It partially expands crate attributes before the main expansion pass (without modifying the crate), and the produced preliminary crate attribute list is used for querying a few attributes that are required very early.

Crate-level cfg attributes are then expanded normally during the main expansion pass, like attributes on any other nodes.
This commit is contained in:
Vadim Petrochenkov 2023-03-14 16:53:04 +04:00
parent f26da39e04
commit aca1b1e0b3
12 changed files with 108 additions and 84 deletions
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2
compiler/rustc_middle/src/arena.rs
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@ -36,7 +36,7 @@ macro_rules! arena_types {
)>,
[] output_filenames: std::sync::Arc<rustc_session::config::OutputFilenames>,
[] metadata_loader: rustc_data_structures::steal::Steal<Box<rustc_session::cstore::MetadataLoaderDyn>>,
[] crate_for_resolver: rustc_data_structures::steal::Steal<rustc_ast::ast::Crate>,
[] crate_for_resolver: rustc_data_structures::steal::Steal<(rustc_ast::Crate, rustc_ast::AttrVec)>,
[] resolutions: rustc_middle::ty::ResolverGlobalCtxt,
[decode] unsafety_check_result: rustc_middle::mir::UnsafetyCheckResult,
[decode] code_region: rustc_middle::mir::coverage::CodeRegion,