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Add rustc_fluent_macro to decouple fluent from rustc_macros

Fluent, with all the icu4x it brings in, takes quite some time to
compile. `fluent_messages!` is only needed in further downstream rustc
crates, but is blocking more upstream crates like `rustc_index`. By
splitting it out, we allow `rustc_macros` to be compiled earlier, which
speeds up `x check compiler` by about 5 seconds (and even more after the
needless dependency on `serde_json` is removed from
`rustc_data_structures`).
This commit is contained in:
Nilstrieb 2023-04-16 14:33:00 +02:00
parent de96f3d873
commit b5d3d970fa
81 changed files with 398 additions and 293 deletions

View file

@ -55,13 +55,13 @@ use rustc_data_structures::sync::Lrc;
use rustc_errors::{
DiagnosticArgFromDisplay, DiagnosticMessage, Handler, StashKey, SubdiagnosticMessage,
};
use rustc_fluent_macro::fluent_messages;
use rustc_hir as hir;
use rustc_hir::def::{DefKind, LifetimeRes, Namespace, PartialRes, PerNS, Res};
use rustc_hir::def_id::{LocalDefId, CRATE_DEF_ID};
use rustc_hir::definitions::DefPathData;
use rustc_hir::{ConstArg, GenericArg, ItemLocalId, ParamName, TraitCandidate};
use rustc_index::vec::{Idx, IndexSlice, IndexVec};
use rustc_macros::fluent_messages;
use rustc_middle::{
span_bug,
ty::{ResolverAstLowering, TyCtxt},