bjoernager/rust
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Rollup merge of #83144 - hyd-dev:parse-sess-created, r=oli-obk

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Introduce `rustc_interface::interface::Config::parse_sess_created` callback

Resolves #82900.

cc `@oli-obk`
This commit is contained in:
Dylan DPC 2021-03-15 16:23:00 +01:00 • committed by GitHub
commit 2816c110e0
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6 changed files with 25 additions and 13 deletions
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13
compiler/rustc_interface/src/interface.rs
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@ -142,6 +142,9 @@ pub struct Config {
pub lint_caps: FxHashMap<lint::LintId, lint::Level>,
/// This is a callback from the driver that is called when [`ParseSess`] is created.
pub parse_sess_created: Option<Box<dyn FnOnce(&mut ParseSess) + Send>>,
/// This is a callback from the driver that is called when we're registering lints;
/// it is called during plugin registration when we have the LintStore in a non-shared state.
///
@ -166,7 +169,7 @@ pub struct Config {
pub fn create_compiler_and_run<R>(config: Config, f: impl FnOnce(&Compiler) -> R) -> R {
let registry = &config.registry;
let (sess, codegen_backend) = util::create_session(
let (mut sess, codegen_backend) = util::create_session(
config.opts,
config.crate_cfg,
config.diagnostic_output,
@ -177,6 +180,14 @@ pub fn create_compiler_and_run<R>(config: Config, f: impl FnOnce(&Compiler) -> R
registry.clone(),
);
if let Some(parse_sess_created) = config.parse_sess_created {
parse_sess_created(
&mut Lrc::get_mut(&mut sess)
.expect("create_session() should never share the returned session")
.parse_sess,
);
}
let compiler = Compiler {
sess,
codegen_backend,