fix some imports

Author: mark-i-m

src/librustc_mir/borrow_check/diagnostics/conflict_errors.rs

@@ -19,15 +19,14 @@ use crate::dataflow::indexes::{MovePathIndex, MoveOutIndex};
 use crate::util::borrowck_errors;
 
 use crate::borrow_check::{
-    nll::region_infer::{RegionName, RegionNameSource},
     prefixes::IsPrefixOf,
     WriteKind,
     borrow_set::BorrowData,
     MirBorrowckCtxt, InitializationRequiringAction, PrefixSet
 };
 
 use super::{
-    IncludingDowncast, UseSpans,
+    IncludingDowncast, UseSpans, RegionName, RegionNameSource,
     explain_borrow::BorrowExplanation,
 };
 

src/librustc_mir/borrow_check/diagnostics/explain_borrow.rs

@@ -1,7 +1,7 @@
 use std::collections::VecDeque;
 
 use crate::borrow_check::borrow_set::BorrowData;
-use crate::borrow_check::nll::region_infer::{Cause, RegionName};
+use crate::borrow_check::nll::region_infer::Cause;
 use crate::borrow_check::nll::ConstraintDescription;
 use crate::borrow_check::{MirBorrowckCtxt, WriteKind};
 use rustc::mir::{
@@ -16,7 +16,7 @@ use rustc_errors::DiagnosticBuilder;
 use syntax_pos::Span;
 use syntax_pos::symbol::Symbol;
 
-use super::{UseSpans, find_use};
+use super::{UseSpans, find_use, RegionName};
 
 #[derive(Debug)]
 pub(in crate::borrow_check) enum BorrowExplanation {

src/librustc_mir/borrow_check/diagnostics/mod.rs

@@ -20,12 +20,20 @@ use super::MirBorrowckCtxt;
 use crate::dataflow::move_paths::{InitLocation, LookupResult};
 
 mod find_use;
+mod var_name;
+mod region_name;
+mod outlives_suggestion;
 
 crate mod conflict_errors;
 crate mod move_errors;
 crate mod mutability_errors;
+crate mod region_errors;
 crate mod explain_borrow;
 
+crate use region_name::{RegionName, RegionNameSource, RegionErrorNamingCtx};
+crate use region_errors::{ErrorReportingCtx, ErrorConstraintInfo};
+crate use outlives_suggestion::OutlivesSuggestionBuilder;
+
 pub(super) struct IncludingDowncast(pub(super) bool);
 
 impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {

src/librustc_mir/borrow_check/diagnostics/outlives_suggestion.rs

@@ -13,12 +13,10 @@ use syntax_pos::symbol::Symbol;
 
 use smallvec::SmallVec;
 
-use crate::borrow_check::nll::region_infer::{
-    error_reporting::{
-        region_name::{RegionName, RegionNameSource},
-        ErrorConstraintInfo, ErrorReportingCtx, RegionErrorNamingCtx,
-    },
-    RegionInferenceContext,
+use crate::borrow_check::nll::region_infer::RegionInferenceContext;
+
+use super::{
+    RegionName, RegionNameSource, ErrorConstraintInfo, ErrorReportingCtx, RegionErrorNamingCtx,
 };
 
 /// The different things we could suggest.

src/librustc_mir/borrow_check/diagnostics/region_errors.rs

@@ -19,14 +19,7 @@ use syntax::symbol::kw;
 use syntax_pos::Span;
 use syntax_pos::symbol::Symbol;
 
-use self::outlives_suggestion::OutlivesSuggestionBuilder;
-
-pub mod outlives_suggestion;
-
-mod region_name;
-mod var_name;
-
-crate use self::region_name::{RegionName, RegionNameSource, RegionErrorNamingCtx};
+use super::{OutlivesSuggestionBuilder, RegionName, RegionNameSource, RegionErrorNamingCtx};
 
 impl ConstraintDescription for ConstraintCategory {
     fn description(&self) -> &'static str {
@@ -61,36 +54,36 @@ enum Trace {
 /// Various pieces of state used when reporting borrow checker errors.
 pub struct ErrorReportingCtx<'a, 'b, 'tcx> {
     /// The region inference context used for borrow chekcing this MIR body.
-    region_infcx: &'b RegionInferenceContext<'tcx>,
+    pub(super) region_infcx: &'b RegionInferenceContext<'tcx>,
 
     /// The inference context used for type checking.
-    infcx: &'b InferCtxt<'a, 'tcx>,
+    pub(super) infcx: &'b InferCtxt<'a, 'tcx>,
 
     /// The MIR def we are reporting errors on.
-    mir_def_id: DefId,
+    pub(super) mir_def_id: DefId,
 
     /// The MIR body we are reporting errors on (for convenience).
-    body: &'b Body<'tcx>,
+    pub(super) body: &'b Body<'tcx>,
 
     /// User variable names for MIR locals (where applicable).
     local_names: &'b IndexVec<Local, Option<Symbol>>,
 
     /// Any upvars for the MIR body we have kept track of during borrow checking.
-    upvars: &'b [Upvar],
+    pub(super) upvars: &'b [Upvar],
 }
 
 /// Information about the various region constraints involved in a borrow checker error.
 #[derive(Clone, Debug)]
 pub struct ErrorConstraintInfo {
     // fr: outlived_fr
-    fr: RegionVid,
-    fr_is_local: bool,
-    outlived_fr: RegionVid,
-    outlived_fr_is_local: bool,
+    pub(super) fr: RegionVid,
+    pub(super) fr_is_local: bool,
+    pub(super) outlived_fr: RegionVid,
+    pub(super) outlived_fr_is_local: bool,
 
     // Category and span for best blame constraint
-    category: ConstraintCategory,
-    span: Span,
+    pub(super) category: ConstraintCategory,
+    pub(super) span: Span,
 }
 
 impl<'tcx> RegionInferenceContext<'tcx> {
@@ -368,7 +361,7 @@ impl<'tcx> RegionInferenceContext<'tcx> {
     /// ```
     ///
     /// Here we would be invoked with `fr = 'a` and `outlived_fr = `'b`.
-    pub(super) fn report_error<'a>(
+    pub(in crate::borrow_check) fn report_error<'a>(
         &'a self,
         body: &Body<'tcx>,
         local_names: &IndexVec<Local, Option<Symbol>>,

src/librustc_mir/borrow_check/diagnostics/region_name.rs

@@ -1,12 +1,5 @@
 use std::fmt::{self, Display};
 
-use crate::borrow_check::nll::region_infer::{
-    RegionInferenceContext,
-    error_reporting::ErrorReportingCtx,
-};
-use crate::borrow_check::nll::universal_regions::DefiningTy;
-use crate::borrow_check::nll::ToRegionVid;
-use crate::borrow_check::Upvar;
 use rustc::hir;
 use rustc::hir::def::{Res, DefKind};
 use rustc::hir::def_id::DefId;
@@ -21,6 +14,15 @@ use syntax::symbol::kw;
 use rustc_data_structures::fx::FxHashMap;
 use syntax_pos::{Span, symbol::Symbol, DUMMY_SP};
 
+use crate::borrow_check::{
+    nll::region_infer::RegionInferenceContext,
+    nll::universal_regions::DefiningTy,
+    nll::ToRegionVid,
+    Upvar,
+};
+
+use super::region_errors::ErrorReportingCtx;
+
 /// A name for a particular region used in emitting diagnostics. This name could be a generated
 /// name like `'1`, a name used by the user like `'a`, or a name like `'static`.
 #[derive(Debug, Clone)]

src/librustc_mir/borrow_check/nll/mod.rs

@@ -34,14 +34,15 @@ use crate::util::pretty;
 mod constraint_generation;
 mod facts;
 mod invalidation;
-crate mod region_infer;
 mod renumber;
-crate mod type_check;
-mod universal_regions;
 
-mod constraints;
 mod member_constraints;
 
+crate mod constraints;
+crate mod universal_regions;
+crate mod type_check;
+crate mod region_infer;
+
 use self::facts::AllFacts;
 use self::region_infer::RegionInferenceContext;
 use self::universal_regions::UniversalRegions;