use std::any::Any;
use std::cell::{Ref, RefCell, RefMut};
use std::rc::Rc;
+use std::sync::Arc;
/// Represent the result of a query.
///
impl<T> Query<T> {
fn compute<F: FnOnce() -> Result<T>>(&self, f: F) -> Result<&Query<T>> {
- let mut result = self.result.borrow_mut();
- if result.is_none() {
- *result = Some(f());
- }
- result.as_ref().unwrap().as_ref().map(|_| self).map_err(|err| *err)
+ self.result.borrow_mut().get_or_insert_with(f).as_ref().map(|_| self).map_err(|&err| err)
}
/// Takes ownership of the query result. Further attempts to take or peek the query
pub fn global_ctxt(&'tcx self) -> Result<&Query<QueryContext<'tcx>>> {
self.global_ctxt.compute(|| {
let crate_name = self.crate_name()?.peek().clone();
- let outputs = self.prepare_outputs()?.peek().clone();
+ let outputs = self.prepare_outputs()?.take();
let dep_graph = self.dep_graph()?.peek().clone();
let (krate, resolver, lint_store) = self.expansion()?.take();
Ok(passes::create_global_ctxt(
pub fn ongoing_codegen(&'tcx self) -> Result<&Query<Box<dyn Any>>> {
self.ongoing_codegen.compute(|| {
- let outputs = self.prepare_outputs()?;
self.global_ctxt()?.peek_mut().enter(|tcx| {
tcx.analysis(()).ok();
// Hook for UI tests.
Self::check_for_rustc_errors_attr(tcx);
- Ok(passes::start_codegen(&***self.codegen_backend(), tcx, &*outputs.peek()))
+ Ok(passes::start_codegen(&***self.codegen_backend(), tcx))
})
})
}
let codegen_backend = self.codegen_backend().clone();
let dep_graph = self.dep_graph()?.peek().clone();
- let prepare_outputs = self.prepare_outputs()?.take();
- let crate_hash = self.global_ctxt()?.peek_mut().enter(|tcx| tcx.crate_hash(LOCAL_CRATE));
+ let (crate_hash, prepare_outputs) = self
+ .global_ctxt()?
+ .peek_mut()
+ .enter(|tcx| (tcx.crate_hash(LOCAL_CRATE), tcx.output_filenames(()).clone()));
let ongoing_codegen = self.ongoing_codegen()?.take();
Ok(Linker {
// compilation outputs
dep_graph: DepGraph,
- prepare_outputs: OutputFilenames,
+ prepare_outputs: Arc<OutputFilenames>,
crate_hash: Svh,
ongoing_codegen: Box<dyn Any>,
}