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Change InferCtxtBuilder from enter to build

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This commit is contained in:
Cameron Steffen
2022-09-19 22:03:59 -05:00
parent 91269fa5b8
commit 283abbf0e7
53 changed files with 1966 additions and 2182 deletions
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62
compiler/rustc_hir_analysis/src/check/wfcheck.rs
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@@ -91,29 +91,28 @@ pub(super) fn enter_wf_checking_ctxt<'tcx, F>(
{
let param_env = tcx.param_env(body_def_id);
let body_id = tcx.hir().local_def_id_to_hir_id(body_def_id);
tcx.infer_ctxt().enter(|ref infcx| {
let ocx = ObligationCtxt::new(infcx);
let infcx = &tcx.infer_ctxt().build();
let ocx = ObligationCtxt::new(infcx);
let assumed_wf_types = ocx.assumed_wf_types(param_env, span, body_def_id);
let assumed_wf_types = ocx.assumed_wf_types(param_env, span, body_def_id);
let mut wfcx = WfCheckingCtxt { ocx, span, body_id, param_env };
let mut wfcx = WfCheckingCtxt { ocx, span, body_id, param_env };
if !tcx.features().trivial_bounds {
wfcx.check_false_global_bounds()
}
f(&mut wfcx);
let errors = wfcx.select_all_or_error();
if !errors.is_empty() {
infcx.err_ctxt().report_fulfillment_errors(&errors, None, false);
return;
}
if !tcx.features().trivial_bounds {
wfcx.check_false_global_bounds()
}
f(&mut wfcx);
let errors = wfcx.select_all_or_error();
if !errors.is_empty() {
infcx.err_ctxt().report_fulfillment_errors(&errors, None, false);
return;
}
let implied_bounds = infcx.implied_bounds_tys(param_env, body_id, assumed_wf_types);
let outlives_environment =
OutlivesEnvironment::with_bounds(param_env, Some(infcx), implied_bounds);
let implied_bounds = infcx.implied_bounds_tys(param_env, body_id, assumed_wf_types);
let outlives_environment =
OutlivesEnvironment::with_bounds(param_env, Some(infcx), implied_bounds);
infcx.check_region_obligations_and_report_errors(body_def_id, &outlives_environment);
})
infcx.check_region_obligations_and_report_errors(body_def_id, &outlives_environment);
}
fn check_well_formed(tcx: TyCtxt<'_>, def_id: hir::OwnerId) {
@@ -704,24 +703,23 @@ fn resolve_regions_with_wf_tys<'tcx>(
// Unfortunately, we have to use a new `InferCtxt` each call, because
// region constraints get added and solved there and we need to test each
// call individually.
tcx.infer_ctxt().enter(|infcx| {
let outlives_environment = OutlivesEnvironment::with_bounds(
param_env,
Some(&infcx),
infcx.implied_bounds_tys(param_env, id, wf_tys.clone()),
);
let region_bound_pairs = outlives_environment.region_bound_pairs();
let infcx = tcx.infer_ctxt().build();
let outlives_environment = OutlivesEnvironment::with_bounds(
param_env,
Some(&infcx),
infcx.implied_bounds_tys(param_env, id, wf_tys.clone()),
);
let region_bound_pairs = outlives_environment.region_bound_pairs();
add_constraints(&infcx, region_bound_pairs);
add_constraints(&infcx, region_bound_pairs);
let errors = infcx.resolve_regions(&outlives_environment);
let errors = infcx.resolve_regions(&outlives_environment);
debug!(?errors, "errors");
debug!(?errors, "errors");
// If we were able to prove that the type outlives the region without
// an error, it must be because of the implied or explicit bounds...
errors.is_empty()
})
// If we were able to prove that the type outlives the region without
// an error, it must be because of the implied or explicit bounds...
errors.is_empty()
}
/// TypeVisitor that looks for uses of GATs like