bjoernager/rust
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Add rustc_fluent_macro to decouple fluent from rustc_macros

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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
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1
compiler/rustc_expand/Cargo.toml
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@ -16,6 +16,7 @@ rustc_attr = { path = "../rustc_attr" }
rustc_data_structures = { path = "../rustc_data_structures" }
rustc_errors = { path = "../rustc_errors" }
rustc_feature = { path = "../rustc_feature" }
rustc_fluent_macro = { path = "../rustc_fluent_macro" }
rustc_lexer = { path = "../rustc_lexer" }
rustc_lint_defs = { path = "../rustc_lint_defs" }
rustc_macros = { path = "../rustc_macros" }

2
compiler/rustc_expand/src/lib.rs
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@ -21,7 +21,7 @@ extern crate tracing;
extern crate proc_macro as pm;
use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_macros::fluent_messages;
use rustc_fluent_macro::fluent_messages;
mod placeholders;
mod proc_macro_server;