diff options
| -rw-r--r-- | compiler/rustc_hir_analysis/src/collect/item_bounds.rs | 2 | ||||
| -rw-r--r-- | compiler/rustc_middle/src/ty/print/pretty.rs | 26 | ||||
| -rw-r--r-- | compiler/rustc_query_impl/src/plumbing.rs | 15 |
3 files changed, 23 insertions, 20 deletions
diff --git a/compiler/rustc_hir_analysis/src/collect/item_bounds.rs b/compiler/rustc_hir_analysis/src/collect/item_bounds.rs index 39ca1bba065..78c390d0924 100644 --- a/compiler/rustc_hir_analysis/src/collect/item_bounds.rs +++ b/compiler/rustc_hir_analysis/src/collect/item_bounds.rs @@ -64,7 +64,7 @@ fn opaque_type_bounds<'tcx>( item_ty: Ty<'tcx>, span: Span, ) -> &'tcx [(ty::Clause<'tcx>, Span)] { - ty::print::with_no_queries!({ + ty::print::with_reduced_queries!({ let icx = ItemCtxt::new(tcx, opaque_def_id); let mut bounds = icx.astconv().compute_bounds(item_ty, ast_bounds, PredicateFilter::All); // Opaque types are implicitly sized unless a `?Sized` bound is found diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index bbe06c09352..540803d9530 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -64,7 +64,7 @@ thread_local! { static SHOULD_PREFIX_WITH_CRATE: Cell<bool> = const { Cell::new(false) }; static NO_TRIMMED_PATH: Cell<bool> = const { Cell::new(false) }; static FORCE_TRIMMED_PATH: Cell<bool> = const { Cell::new(false) }; - static NO_QUERIES: Cell<bool> = const { Cell::new(false) }; + static REDUCED_QUERIES: Cell<bool> = const { Cell::new(false) }; static NO_VISIBLE_PATH: Cell<bool> = const { Cell::new(false) }; } @@ -102,14 +102,14 @@ macro_rules! define_helper { } define_helper!( - /// Avoids running any queries during any prints that occur + /// Avoids running select queries during any prints that occur /// during the closure. This may alter the appearance of some /// types (e.g. forcing verbose printing for opaque types). /// This method is used during some queries (e.g. `explicit_item_bounds` /// for opaque types), to ensure that any debug printing that /// occurs during the query computation does not end up recursively /// calling the same query. - fn with_no_queries(NoQueriesGuard, NO_QUERIES); + fn with_reduced_queries(ReducedQueriesGuard, REDUCED_QUERIES); /// Force us to name impls with just the filename/line number. We /// normally try to use types. But at some points, notably while printing /// cycle errors, this can result in extra or suboptimal error output, @@ -127,6 +127,15 @@ define_helper!( fn with_no_visible_paths(NoVisibleGuard, NO_VISIBLE_PATH); ); +/// Avoids running any queries during prints. +pub macro with_no_queries($e:expr) {{ + $crate::ty::print::with_reduced_queries!($crate::ty::print::with_forced_impl_filename_line!( + $crate::ty::print::with_no_trimmed_paths!($crate::ty::print::with_no_visible_paths!( + $crate::ty::print::with_forced_impl_filename_line!($e) + )) + )) +}} + /// The "region highlights" are used to control region printing during /// specific error messages. When a "region highlight" is enabled, it /// gives an alternate way to print specific regions. For now, we @@ -659,7 +668,7 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { p!(")") } ty::FnDef(def_id, args) => { - if with_no_queries() { + if with_reduced_queries() { p!(print_def_path(def_id, args)); } else { let sig = self.tcx().fn_sig(def_id).instantiate(self.tcx(), args); @@ -759,7 +768,7 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { return Ok(()); } _ => { - if with_no_queries() { + if with_reduced_queries() { p!(print_def_path(def_id, &[])); return Ok(()); } else { @@ -1876,7 +1885,8 @@ impl DerefMut for FmtPrinter<'_, '_> { impl<'a, 'tcx> FmtPrinter<'a, 'tcx> { pub fn new(tcx: TyCtxt<'tcx>, ns: Namespace) -> Self { - let limit = if with_no_queries() { Limit::new(1048576) } else { tcx.type_length_limit() }; + let limit = + if with_reduced_queries() { Limit::new(1048576) } else { tcx.type_length_limit() }; Self::new_with_limit(tcx, ns, limit) } @@ -2962,7 +2972,7 @@ define_print_and_forward_display! { } TraitRefPrintSugared<'tcx> { - if !with_no_queries() + if !with_reduced_queries() && let Some(kind) = cx.tcx().fn_trait_kind_from_def_id(self.0.def_id) && let ty::Tuple(args) = self.0.args.type_at(1).kind() { @@ -3050,7 +3060,7 @@ define_print_and_forward_display! { // If we're printing verbosely, or don't want to invoke queries // (`is_impl_trait_in_trait`), then fall back to printing the def path. // This is likely what you want if you're debugging the compiler anyways. - if !(cx.should_print_verbose() || with_no_queries()) + if !(cx.should_print_verbose() || with_reduced_queries()) && cx.tcx().is_impl_trait_in_trait(self.def_id) { return cx.pretty_print_opaque_impl_type(self.def_id, self.args); diff --git a/compiler/rustc_query_impl/src/plumbing.rs b/compiler/rustc_query_impl/src/plumbing.rs index c7baca86d93..1b546bf9103 100644 --- a/compiler/rustc_query_impl/src/plumbing.rs +++ b/compiler/rustc_query_impl/src/plumbing.rs @@ -18,7 +18,7 @@ use rustc_middle::query::on_disk_cache::AbsoluteBytePos; use rustc_middle::query::on_disk_cache::{CacheDecoder, CacheEncoder, EncodedDepNodeIndex}; use rustc_middle::query::Key; use rustc_middle::ty::tls::{self, ImplicitCtxt}; -use rustc_middle::ty::{self, print::with_no_queries, TyCtxt}; +use rustc_middle::ty::{self, TyCtxt}; use rustc_query_system::dep_graph::{DepNodeParams, HasDepContext}; use rustc_query_system::ich::StableHashingContext; use rustc_query_system::query::{ @@ -305,20 +305,13 @@ pub(crate) fn create_query_frame< name: &'static str, ) -> QueryStackFrame { // Avoid calling queries while formatting the description - let description = ty::print::with_no_queries!( - // Disable visible paths printing for performance reasons. - // Showing visible path instead of any path is not that important in production. - ty::print::with_no_visible_paths!( - // Force filename-line mode to avoid invoking `type_of` query. - ty::print::with_forced_impl_filename_line!(do_describe(tcx, key)) - ) - ); + let description = ty::print::with_no_queries!(do_describe(tcx, key)); let description = if tcx.sess.verbose_internals() { format!("{description} [{name:?}]") } else { description }; - let span = if kind == dep_graph::dep_kinds::def_span || with_no_queries() { + let span = if kind == dep_graph::dep_kinds::def_span { // The `def_span` query is used to calculate `default_span`, // so exit to avoid infinite recursion. None @@ -326,7 +319,7 @@ pub(crate) fn create_query_frame< Some(key.default_span(tcx)) }; let def_id = key.key_as_def_id(); - let def_kind = if kind == dep_graph::dep_kinds::def_kind || with_no_queries() { + let def_kind = if kind == dep_graph::dep_kinds::def_kind { // Try to avoid infinite recursion. None } else { |