bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Add option to pass a custom codegen backend from a driver

Browse source
This commit is contained in:
bjorn3 2020-09-08 13:44:41 +02:00
parent 956e06c6c8
commit 71bc62b9f6
8 changed files with 37 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

5
compiler/rustc_interface/src/interface.rs
View file

@ -154,6 +154,10 @@ pub struct Config {
pub override_queries:
Option<fn(&Session, &mut ty::query::Providers, &mut ty::query::Providers)>,
/// This is a callback from the driver that is called to create a codegen backend.
pub make_codegen_backend:
Option<Box<dyn FnOnce(&config::Options) -> Box<dyn CodegenBackend> + Send>>,
/// Registry of diagnostics codes.
pub registry: Registry,
}
@ -167,6 +171,7 @@ pub fn create_compiler_and_run<R>(config: Config, f: impl FnOnce(&Compiler) -> R
config.file_loader,
config.input_path.clone(),
config.lint_caps,
config.make_codegen_backend,
registry.clone(),
);

10
compiler/rustc_interface/src/util.rs
View file

@ -63,9 +63,17 @@ pub fn create_session(
file_loader: Option<Box<dyn FileLoader + Send + Sync + 'static>>,
input_path: Option<PathBuf>,
lint_caps: FxHashMap<lint::LintId, lint::Level>,
make_codegen_backend: Option<
Box<dyn FnOnce(&config::Options) -> Box<dyn CodegenBackend> + Send>,
>,
descriptions: Registry,
) -> (Lrc<Session>, Lrc<Box<dyn CodegenBackend>>) {
let codegen_backend = get_codegen_backend(&sopts);
let codegen_backend = if let Some(make_codegen_backend) = make_codegen_backend {
make_codegen_backend(&sopts)
} else {
get_codegen_backend(&sopts)
};
// target_override is documented to be called before init(), so this is okay
let target_override = codegen_backend.target_override(&sopts);