Refactor away extension traits RegionEscape and HasTypeFlags

Author: jseyfried

src/librustc/middle/implicator.rs

@@ -14,7 +14,7 @@ use middle::def_id::DefId;
 use middle::infer::{InferCtxt, GenericKind};
 use middle::subst::Substs;
 use middle::traits;
-use middle::ty::{self, RegionEscape, ToPredicate, Ty};
+use middle::ty::{self, ToPredicate, Ty};
 use middle::ty::fold::{TypeFoldable, TypeFolder};
 
 use syntax::ast;

src/librustc/middle/infer/error_reporting.rs

@@ -82,7 +82,7 @@ use middle::def_id::DefId;
 use middle::infer::{self, TypeOrigin};
 use middle::region;
 use middle::subst;
-use middle::ty::{self, Ty, HasTypeFlags};
+use middle::ty::{self, Ty, TypeFoldable};
 use middle::ty::{Region, ReFree};
 use middle::ty::error::TypeError;
 
@@ -250,7 +250,7 @@ pub trait ErrorReporting<'tcx> {
 
     fn values_str(&self, values: &ValuePairs<'tcx>) -> Option<String>;
 
-    fn expected_found_str<T: fmt::Display + Resolvable<'tcx> + HasTypeFlags>(
+    fn expected_found_str<T: fmt::Display + Resolvable<'tcx> + TypeFoldable<'tcx>>(
         &self,
         exp_found: &ty::error::ExpectedFound<T>)
         -> Option<String>;
@@ -575,7 +575,7 @@ impl<'a, 'tcx> ErrorReporting<'tcx> for InferCtxt<'a, 'tcx> {
         }
     }
 
-    fn expected_found_str<T: fmt::Display + Resolvable<'tcx> + HasTypeFlags>(
+    fn expected_found_str<T: fmt::Display + Resolvable<'tcx> + TypeFoldable<'tcx>>(
         &self,
         exp_found: &ty::error::ExpectedFound<T>)
         -> Option<String>

src/librustc/middle/infer/freshen.rs

@@ -30,8 +30,7 @@
 //! variable only once, and it does so as soon as it can, so it is reasonable to ask what the type
 //! inferencer knows "so far".
 
-use middle::ty::{self, Ty, HasTypeFlags};
-use middle::ty::fold::TypeFoldable;
+use middle::ty::{self, Ty, TypeFoldable};
 use middle::ty::fold::TypeFolder;
 use std::collections::hash_map::{self, Entry};
 

src/librustc/middle/infer/higher_ranked/mod.rs

@@ -14,9 +14,8 @@
 use super::{CombinedSnapshot, InferCtxt, HigherRankedType, SkolemizationMap};
 use super::combine::CombineFields;
 
-use middle::ty::{self, Binder};
+use middle::ty::{self, Binder, TypeFoldable};
 use middle::ty::error::TypeError;
-use middle::ty::fold::TypeFoldable;
 use middle::ty::relate::{Relate, RelateResult, TypeRelation};
 use syntax::codemap::Span;
 use util::nodemap::{FnvHashMap, FnvHashSet};
@@ -557,7 +556,7 @@ pub fn plug_leaks<'a,'tcx,T>(infcx: &InferCtxt<'a,'tcx>,
                              snapshot: &CombinedSnapshot,
                              value: &T)
                              -> T
-    where T : TypeFoldable<'tcx> + ty::HasTypeFlags
+    where T : TypeFoldable<'tcx>
 {
     debug_assert!(leak_check(infcx, &skol_map, snapshot).is_ok());
 

src/librustc/middle/infer/mod.rs

@@ -30,7 +30,7 @@ use middle::subst::Subst;
 use middle::traits;
 use middle::ty::adjustment;
 use middle::ty::{TyVid, IntVid, FloatVid};
-use middle::ty::{self, Ty, HasTypeFlags};
+use middle::ty::{self, Ty};
 use middle::ty::error::{ExpectedFound, TypeError, UnconstrainedNumeric};
 use middle::ty::fold::{TypeFolder, TypeFoldable};
 use middle::ty::relate::{Relate, RelateResult, TypeRelation};

src/librustc/middle/infer/resolve.rs

@@ -9,8 +9,7 @@
 // except according to those terms.
 
 use super::{InferCtxt, FixupError, FixupResult};
-use middle::ty::{self, Ty, HasTypeFlags};
-use middle::ty::fold::{TypeFoldable};
+use middle::ty::{self, Ty, TypeFoldable};
 
 ///////////////////////////////////////////////////////////////////////////
 // OPPORTUNISTIC TYPE RESOLVER

src/librustc/middle/intrinsicck.rs

@@ -13,7 +13,7 @@ use middle::def::DefFn;
 use middle::def_id::DefId;
 use middle::subst::{Subst, Substs, EnumeratedItems};
 use middle::ty::{TransmuteRestriction, ctxt, TyBareFn};
-use middle::ty::{self, Ty, HasTypeFlags};
+use middle::ty::{self, Ty, TypeFoldable};
 
 use std::fmt;
 

src/librustc/middle/subst.rs

@@ -14,7 +14,7 @@ pub use self::ParamSpace::*;
 pub use self::RegionSubsts::*;
 
 use middle::cstore;
-use middle::ty::{self, Ty, HasTypeFlags, RegionEscape};
+use middle::ty::{self, Ty};
 use middle::ty::fold::{TypeFoldable, TypeFolder};
 
 use serialize::{Encodable, Encoder, Decodable, Decoder};

src/librustc/middle/traits/error_reporting.rs

@@ -26,9 +26,8 @@ use super::{
 use fmt_macros::{Parser, Piece, Position};
 use middle::def_id::DefId;
 use middle::infer::InferCtxt;
-use middle::ty::{self, ToPredicate, HasTypeFlags, ToPolyTraitRef, TraitRef, Ty};
+use middle::ty::{self, ToPredicate, ToPolyTraitRef, TraitRef, Ty, TypeFoldable};
 use middle::ty::fast_reject;
-use middle::ty::fold::TypeFoldable;
 use util::nodemap::{FnvHashMap, FnvHashSet};
 
 use std::cmp;

src/librustc/middle/traits/fulfill.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 use middle::infer::InferCtxt;
-use middle::ty::{self, RegionEscape, Ty, HasTypeFlags};
+use middle::ty::{self, Ty, TypeFoldable};
 
 use syntax::ast;
 use util::common::ErrorReported;