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cjgillotcjgillot
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Isolate compiler queries inside the Queries type.
1 parent 412f43a commit 266ede1

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5 files changed

+219
-176
lines changed

5 files changed

+219
-176
lines changed

‎src/librustc_driver/lib.rs

Lines changed: 95 additions & 91 deletions
Original file line numberDiff line numberDiff line change
@@ -283,120 +283,124 @@ pub fn run_compiler(
283283
return sess.compile_status();
284284
}
285285

286-
compiler.parse()?;
287-
288-
if let Some(ppm) = &sess.opts.pretty {
289-
if ppm.needs_ast_map() {
290-
compiler.global_ctxt()?.peek_mut().enter(|tcx| {
291-
let expanded_crate = compiler.expansion()?.take().0;
292-
pretty::print_after_hir_lowering(
293-
tcx,
294-
compiler.input(),
295-
&expanded_crate,
286+
compiler.enter(|queries| {
287+
queries.parse()?;
288+
289+
if let Some(ppm) = &sess.opts.pretty {
290+
if ppm.needs_ast_map() {
291+
queries.global_ctxt()?.peek_mut().enter(|tcx| {
292+
let expanded_crate = queries.expansion()?.take().0;
293+
pretty::print_after_hir_lowering(
294+
tcx,
295+
compiler.input(),
296+
&expanded_crate,
297+
*ppm,
298+
compiler.output_file().as_ref().map(|p| &**p),
299+
);
300+
Ok(())
301+
})?;
302+
} else {
303+
let krate = queries.parse()?.take();
304+
pretty::print_after_parsing(
305+
sess,
306+
&compiler.input(),
307+
&krate,
296308
*ppm,
297309
compiler.output_file().as_ref().map(|p| &**p),
298310
);
299-
Ok(())
300-
})?;
301-
} else {
302-
let krate = compiler.parse()?.take();
303-
pretty::print_after_parsing(
304-
sess,
305-
&compiler.input(),
306-
&krate,
307-
*ppm,
308-
compiler.output_file().as_ref().map(|p| &**p),
309-
);
311+
}
312+
return sess.compile_status();
310313
}
311-
return sess.compile_status();
312-
}
313314

314-
if callbacks.after_parsing(compiler) == Compilation::Stop {
315-
return sess.compile_status();
316-
}
315+
if callbacks.after_parsing(compiler) == Compilation::Stop {
316+
return sess.compile_status();
317+
}
317318

318-
if sess.opts.debugging_opts.parse_only ||
319-
sess.opts.debugging_opts.show_span.is_some() ||
320-
sess.opts.debugging_opts.ast_json_noexpand {
321-
return sess.compile_status();
322-
}
319+
if sess.opts.debugging_opts.parse_only ||
320+
sess.opts.debugging_opts.show_span.is_some() ||
321+
sess.opts.debugging_opts.ast_json_noexpand {
322+
return sess.compile_status();
323+
}
324+
325+
{
326+
let (_, lint_store) = &*queries.register_plugins()?.peek();
323327

324-
{
325-
let (_, lint_store) = &*compiler.register_plugins()?.peek();
328+
// Lint plugins are registered; now we can process command line flags.
329+
if sess.opts.describe_lints {
330+
describe_lints(&sess, &lint_store, true);
331+
return sess.compile_status();
332+
}
333+
}
326334

327-
// Lint plugins are registered; now we can process command line flags.
328-
if sess.opts.describe_lints {
329-
describe_lints(&sess, &lint_store, true);
335+
queries.expansion()?;
336+
if callbacks.after_expansion(compiler) == Compilation::Stop {
330337
return sess.compile_status();
331338
}
332-
}
333339

334-
compiler.expansion()?;
335-
if callbacks.after_expansion(compiler) == Compilation::Stop {
336-
return sess.compile_status();
337-
}
340+
queries.prepare_outputs()?;
341+
342+
if sess.opts.output_types.contains_key(&OutputType::DepInfo)
343+
&& sess.opts.output_types.len() == 1
344+
{
345+
return sess.compile_status();
346+
}
338347

339-
compiler.prepare_outputs()?;
348+
queries.global_ctxt()?;
340349

341-
if sess.opts.output_types.contains_key(&OutputType::DepInfo)
342-
&& sess.opts.output_types.len() == 1
343-
{
344-
return sess.compile_status();
345-
}
350+
if sess.opts.debugging_opts.no_analysis ||
351+
sess.opts.debugging_opts.ast_json {
352+
return sess.compile_status();
353+
}
346354

347-
compiler.global_ctxt()?;
355+
if sess.opts.debugging_opts.save_analysis {
356+
let expanded_crate = &queries.expansion()?.peek().0;
357+
let crate_name = queries.crate_name()?.peek().clone();
358+
queries.global_ctxt()?.peek_mut().enter(|tcx| {
359+
let result = tcx.analysis(LOCAL_CRATE);
360+
361+
time(sess, "save analysis", || {
362+
save::process_crate(
363+
tcx,
364+
&expanded_crate,
365+
&crate_name,
366+
&compiler.input(),
367+
None,
368+
DumpHandler::new(compiler.output_dir().as_ref().map(|p| &**p), &crate_name)
369+
)
370+
});
348371

349-
if sess.opts.debugging_opts.no_analysis ||
350-
sess.opts.debugging_opts.ast_json {
351-
return sess.compile_status();
352-
}
372+
result
373+
// AST will be dropped *after* the `after_analysis` callback
374+
// (needed by the RLS)
375+
})?;
376+
} else {
377+
// Drop AST after creating GlobalCtxt to free memory
378+
mem::drop(queries.expansion()?.take());
379+
}
353380

354-
if sess.opts.debugging_opts.save_analysis {
355-
let expanded_crate = &compiler.expansion()?.peek().0;
356-
let crate_name = compiler.crate_name()?.peek().clone();
357-
compiler.global_ctxt()?.peek_mut().enter(|tcx| {
358-
let result = tcx.analysis(LOCAL_CRATE);
359-
360-
time(sess, "save analysis", || {
361-
save::process_crate(
362-
tcx,
363-
&expanded_crate,
364-
&crate_name,
365-
&compiler.input(),
366-
None,
367-
DumpHandler::new(compiler.output_dir().as_ref().map(|p| &**p), &crate_name)
368-
)
369-
});
370-
371-
result
372-
// AST will be dropped *after* the `after_analysis` callback
373-
// (needed by the RLS)
374-
})?;
375-
} else {
376-
// Drop AST after creating GlobalCtxt to free memory
377-
mem::drop(compiler.expansion()?.take());
378-
}
381+
queries.global_ctxt()?.peek_mut().enter(|tcx| tcx.analysis(LOCAL_CRATE))?;
379382

380-
compiler.global_ctxt()?.peek_mut().enter(|tcx| tcx.analysis(LOCAL_CRATE))?;
383+
if callbacks.after_analysis(compiler) == Compilation::Stop {
384+
return sess.compile_status();
385+
}
381386

382-
if callbacks.after_analysis(compiler) == Compilation::Stop {
383-
return sess.compile_status();
384-
}
387+
if sess.opts.debugging_opts.save_analysis {
388+
mem::drop(queries.expansion()?.take());
389+
}
385390

386-
if sess.opts.debugging_opts.save_analysis {
387-
mem::drop(compiler.expansion()?.take());
388-
}
391+
queries.ongoing_codegen()?;
389392

390-
compiler.ongoing_codegen()?;
393+
// Drop GlobalCtxt after starting codegen to free memory
394+
mem::drop(queries.global_ctxt()?.take());
391395

392-
// Drop GlobalCtxt after starting codegen to free memory
393-
mem::drop(compiler.global_ctxt()?.take());
396+
if sess.opts.debugging_opts.print_type_sizes {
397+
sess.code_stats.print_type_sizes();
398+
}
394399

395-
if sess.opts.debugging_opts.print_type_sizes {
396-
sess.code_stats.print_type_sizes();
397-
}
400+
queries.link()?;
398401

399-
compiler.link()?;
402+
Ok(())
403+
})?;
400404

401405
if sess.opts.debugging_opts.perf_stats {
402406
sess.print_perf_stats();

‎src/librustc_interface/interface.rs

Lines changed: 0 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,3 @@
1-
use crate::queries::Queries;
21
use crate::util;
32
pub use crate::passes::BoxedResolver;
43

@@ -36,7 +35,6 @@ pub struct Compiler {
3635
pub(crate) input_path: Option<PathBuf>,
3736
pub(crate) output_dir: Option<PathBuf>,
3837
pub(crate) output_file: Option<PathBuf>,
39-
pub(crate) queries: Queries,
4038
pub(crate) crate_name: Option<String>,
4139
pub(crate) register_lints: Option<Box<dyn Fn(&Session, &mut lint::LintStore) + Send + Sync>>,
4240
pub(crate) override_queries:
@@ -169,7 +167,6 @@ pub fn run_compiler_in_existing_thread_pool<R>(
169167
input_path: config.input_path,
170168
output_dir: config.output_dir,
171169
output_file: config.output_file,
172-
queries: Default::default(),
173170
crate_name: config.crate_name,
174171
register_lints: config.register_lints,
175172
override_queries: config.override_queries,

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