Rename infcx lifetimes in inference relations

rust-lang · Jul 25, 2016 · 5e39032 · 5e39032
1 parent cdb0867
commit 5e39032
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Showing 6 changed files with 46 additions and 46 deletions.
diff --git a/src/librustc/infer/bivariate.rs b/src/librustc/infer/bivariate.rs
@@ -32,20 +32,20 @@ use ty::{self, Ty, TyCtxt};
 use ty::TyVar;
 use ty::relate::{Relate, RelateResult, TypeRelation};
 
-pub struct Bivariate<'a, 'gcx: 'a+'tcx, 'tcx: 'a> {
-    fields: CombineFields<'a, 'gcx, 'tcx>
+pub struct Bivariate<'infcx, 'gcx: 'infcx+'tcx, 'tcx: 'infcx> {
+    fields: CombineFields<'infcx, 'gcx, 'tcx>
 }
 
-impl<'a, 'gcx, 'tcx> Bivariate<'a, 'gcx, 'tcx> {
-    pub fn new(fields: CombineFields<'a, 'gcx, 'tcx>) -> Bivariate<'a, 'gcx, 'tcx> {
+impl<'infcx, 'gcx, 'tcx> Bivariate<'infcx, 'gcx, 'tcx> {
+    pub fn new(fields: CombineFields<'infcx, 'gcx, 'tcx>) -> Bivariate<'infcx, 'gcx, 'tcx> {
         Bivariate { fields: fields }
     }
 }
 
-impl<'a, 'gcx, 'tcx> TypeRelation<'a, 'gcx, 'tcx> for Bivariate<'a, 'gcx, 'tcx> {
+impl<'infcx, 'gcx, 'tcx> TypeRelation<'infcx, 'gcx, 'tcx> for Bivariate<'infcx, 'gcx, 'tcx> {
     fn tag(&self) -> &'static str { "Bivariate" }
 
-    fn tcx(&self) -> TyCtxt<'a, 'gcx, 'tcx> { self.fields.tcx() }
+    fn tcx(&self) -> TyCtxt<'infcx, 'gcx, 'tcx> { self.fields.tcx() }
 
     fn a_is_expected(&self) -> bool { self.fields.a_is_expected }
 

diff --git a/src/librustc/infer/combine.rs b/src/librustc/infer/combine.rs
@@ -52,21 +52,21 @@ use syntax::ast;
 use syntax_pos::Span;
 
 #[derive(Clone)]
-pub struct CombineFields<'a, 'gcx: 'a+'tcx, 'tcx: 'a> {
-    pub infcx: &'a InferCtxt<'a, 'gcx, 'tcx>,
+pub struct CombineFields<'infcx, 'gcx: 'infcx+'tcx, 'tcx: 'infcx> {
+    pub infcx: &'infcx InferCtxt<'infcx, 'gcx, 'tcx>,
     pub a_is_expected: bool,
     pub trace: TypeTrace<'tcx>,
     pub cause: Option<ty::relate::Cause>,
     pub obligations: PredicateObligations<'tcx>,
 }
 
-impl<'a, 'gcx, 'tcx> InferCtxt<'a, 'gcx, 'tcx> {
+impl<'infcx, 'gcx, 'tcx> InferCtxt<'infcx, 'gcx, 'tcx> {
     pub fn super_combine_tys<R>(&self,
                                 relation: &mut R,
                                 a: Ty<'tcx>,
                                 b: Ty<'tcx>)
                                 -> RelateResult<'tcx, Ty<'tcx>>
-        where R: TypeRelation<'a, 'gcx, 'tcx>
+        where R: TypeRelation<'infcx, 'gcx, 'tcx>
     {
         let a_is_expected = relation.a_is_expected();
 
@@ -150,35 +150,35 @@ impl<'a, 'gcx, 'tcx> InferCtxt<'a, 'gcx, 'tcx> {
     }
 }
 
-impl<'a, 'gcx, 'tcx> CombineFields<'a, 'gcx, 'tcx> {
-    pub fn tcx(&self) -> TyCtxt<'a, 'gcx, 'tcx> {
+impl<'infcx, 'gcx, 'tcx> CombineFields<'infcx, 'gcx, 'tcx> {
+    pub fn tcx(&self) -> TyCtxt<'infcx, 'gcx, 'tcx> {
         self.infcx.tcx
     }
 
-    pub fn switch_expected(&self) -> CombineFields<'a, 'gcx, 'tcx> {
+    pub fn switch_expected(&self) -> CombineFields<'infcx, 'gcx, 'tcx> {
         CombineFields {
             a_is_expected: !self.a_is_expected,
             ..(*self).clone()
         }
     }
 
-    pub fn equate(&self) -> Equate<'a, 'gcx, 'tcx> {
+    pub fn equate(&self) -> Equate<'infcx, 'gcx, 'tcx> {
         Equate::new(self.clone())
     }
 
-    pub fn bivariate(&self) -> Bivariate<'a, 'gcx, 'tcx> {
+    pub fn bivariate(&self) -> Bivariate<'infcx, 'gcx, 'tcx> {
         Bivariate::new(self.clone())
     }
 
-    pub fn sub(&self) -> Sub<'a, 'gcx, 'tcx> {
+    pub fn sub(&self) -> Sub<'infcx, 'gcx, 'tcx> {
         Sub::new(self.clone())
     }
 
-    pub fn lub(&self) -> Lub<'a, 'gcx, 'tcx> {
+    pub fn lub(&self) -> Lub<'infcx, 'gcx, 'tcx> {
         Lub::new(self.clone())
     }
 
-    pub fn glb(&self) -> Glb<'a, 'gcx, 'tcx> {
+    pub fn glb(&self) -> Glb<'infcx, 'gcx, 'tcx> {
         Glb::new(self.clone())
     }
 

diff --git a/src/librustc/infer/equate.rs b/src/librustc/infer/equate.rs
@@ -18,12 +18,12 @@ use ty::relate::{Relate, RelateResult, TypeRelation};
 use traits::PredicateObligations;
 
 /// Ensures `a` is made equal to `b`. Returns `a` on success.
-pub struct Equate<'a, 'gcx: 'a+'tcx, 'tcx: 'a> {
-    fields: CombineFields<'a, 'gcx, 'tcx>
+pub struct Equate<'infcx, 'gcx: 'infcx+'tcx, 'tcx: 'infcx> {
+    fields: CombineFields<'infcx, 'gcx, 'tcx>
 }
 
-impl<'a, 'gcx, 'tcx> Equate<'a, 'gcx, 'tcx> {
-    pub fn new(fields: CombineFields<'a, 'gcx, 'tcx>) -> Equate<'a, 'gcx, 'tcx> {
+impl<'infcx, 'gcx, 'tcx> Equate<'infcx, 'gcx, 'tcx> {
+    pub fn new(fields: CombineFields<'infcx, 'gcx, 'tcx>) -> Equate<'infcx, 'gcx, 'tcx> {
         Equate { fields: fields }
     }
 
@@ -32,10 +32,10 @@ impl<'a, 'gcx, 'tcx> Equate<'a, 'gcx, 'tcx> {
     }
 }
 
-impl<'a, 'gcx, 'tcx> TypeRelation<'a, 'gcx, 'tcx> for Equate<'a, 'gcx, 'tcx> {
+impl<'infcx, 'gcx, 'tcx> TypeRelation<'infcx, 'gcx, 'tcx> for Equate<'infcx, 'gcx, 'tcx> {
     fn tag(&self) -> &'static str { "Equate" }
 
-    fn tcx(&self) -> TyCtxt<'a, 'gcx, 'tcx> { self.fields.tcx() }
+    fn tcx(&self) -> TyCtxt<'infcx, 'gcx, 'tcx> { self.fields.tcx() }
 
     fn a_is_expected(&self) -> bool { self.fields.a_is_expected }
 

diff --git a/src/librustc/infer/glb.rs b/src/librustc/infer/glb.rs
@@ -18,12 +18,12 @@ use ty::relate::{Relate, RelateResult, TypeRelation};
 use traits::PredicateObligations;
 
 /// "Greatest lower bound" (common subtype)
-pub struct Glb<'a, 'gcx: 'a+'tcx, 'tcx: 'a> {
-    fields: CombineFields<'a, 'gcx, 'tcx>
+pub struct Glb<'infcx, 'gcx: 'infcx+'tcx, 'tcx: 'infcx> {
+    fields: CombineFields<'infcx, 'gcx, 'tcx>
 }
 
-impl<'a, 'gcx, 'tcx> Glb<'a, 'gcx, 'tcx> {
-    pub fn new(fields: CombineFields<'a, 'gcx, 'tcx>) -> Glb<'a, 'gcx, 'tcx> {
+impl<'infcx, 'gcx, 'tcx> Glb<'infcx, 'gcx, 'tcx> {
+    pub fn new(fields: CombineFields<'infcx, 'gcx, 'tcx>) -> Glb<'infcx, 'gcx, 'tcx> {
         Glb { fields: fields }
     }
 
@@ -32,10 +32,10 @@ impl<'a, 'gcx, 'tcx> Glb<'a, 'gcx, 'tcx> {
     }
 }
 
-impl<'a, 'gcx, 'tcx> TypeRelation<'a, 'gcx, 'tcx> for Glb<'a, 'gcx, 'tcx> {
+impl<'infcx, 'gcx, 'tcx> TypeRelation<'infcx, 'gcx, 'tcx> for Glb<'infcx, 'gcx, 'tcx> {
     fn tag(&self) -> &'static str { "Glb" }
 
-    fn tcx(&self) -> TyCtxt<'a, 'gcx, 'tcx> { self.fields.tcx() }
+    fn tcx(&self) -> TyCtxt<'infcx, 'gcx, 'tcx> { self.fields.tcx() }
 
     fn a_is_expected(&self) -> bool { self.fields.a_is_expected }
 
@@ -75,8 +75,8 @@ impl<'a, 'gcx, 'tcx> TypeRelation<'a, 'gcx, 'tcx> for Glb<'a, 'gcx, 'tcx> {
     }
 }
 
-impl<'a, 'gcx, 'tcx> LatticeDir<'a, 'gcx, 'tcx> for Glb<'a, 'gcx, 'tcx> {
-    fn infcx(&self) -> &'a InferCtxt<'a, 'gcx, 'tcx> {
+impl<'infcx, 'gcx, 'tcx> LatticeDir<'infcx, 'gcx, 'tcx> for Glb<'infcx, 'gcx, 'tcx> {
+    fn infcx(&self) -> &'infcx InferCtxt<'infcx, 'gcx, 'tcx> {
         self.fields.infcx
     }
 

diff --git a/src/librustc/infer/lub.rs b/src/librustc/infer/lub.rs
@@ -18,12 +18,12 @@ use ty::relate::{Relate, RelateResult, TypeRelation};
 use traits::PredicateObligations;
 
 /// "Least upper bound" (common supertype)
-pub struct Lub<'a, 'gcx: 'a+'tcx, 'tcx: 'a> {
-    fields: CombineFields<'a, 'gcx, 'tcx>
+pub struct Lub<'infcx, 'gcx: 'infcx+'tcx, 'tcx: 'infcx> {
+    fields: CombineFields<'infcx, 'gcx, 'tcx>
 }
 
-impl<'a, 'gcx, 'tcx> Lub<'a, 'gcx, 'tcx> {
-    pub fn new(fields: CombineFields<'a, 'gcx, 'tcx>) -> Lub<'a, 'gcx, 'tcx> {
+impl<'infcx, 'gcx, 'tcx> Lub<'infcx, 'gcx, 'tcx> {
+    pub fn new(fields: CombineFields<'infcx, 'gcx, 'tcx>) -> Lub<'infcx, 'gcx, 'tcx> {
         Lub { fields: fields }
     }
 
@@ -32,10 +32,10 @@ impl<'a, 'gcx, 'tcx> Lub<'a, 'gcx, 'tcx> {
     }
 }
 
-impl<'a, 'gcx, 'tcx> TypeRelation<'a, 'gcx, 'tcx> for Lub<'a, 'gcx, 'tcx> {
+impl<'infcx, 'gcx, 'tcx> TypeRelation<'infcx, 'gcx, 'tcx> for Lub<'infcx, 'gcx, 'tcx> {
     fn tag(&self) -> &'static str { "Lub" }
 
-    fn tcx(&self) -> TyCtxt<'a, 'gcx, 'tcx> { self.fields.tcx() }
+    fn tcx(&self) -> TyCtxt<'infcx, 'gcx, 'tcx> { self.fields.tcx() }
 
     fn a_is_expected(&self) -> bool { self.fields.a_is_expected }
 
@@ -75,8 +75,8 @@ impl<'a, 'gcx, 'tcx> TypeRelation<'a, 'gcx, 'tcx> for Lub<'a, 'gcx, 'tcx> {
     }
 }
 
-impl<'a, 'gcx, 'tcx> LatticeDir<'a, 'gcx, 'tcx> for Lub<'a, 'gcx, 'tcx> {
-    fn infcx(&self) -> &'a InferCtxt<'a, 'gcx, 'tcx> {
+impl<'infcx, 'gcx, 'tcx> LatticeDir<'infcx, 'gcx, 'tcx> for Lub<'infcx, 'gcx, 'tcx> {
+    fn infcx(&self) -> &'infcx InferCtxt<'infcx, 'gcx, 'tcx> {
         self.fields.infcx
     }
 

diff --git a/src/librustc/infer/sub.rs b/src/librustc/infer/sub.rs
@@ -19,12 +19,12 @@ use traits::PredicateObligations;
 use std::mem;
 
 /// Ensures `a` is made a subtype of `b`. Returns `a` on success.
-pub struct Sub<'a, 'gcx: 'a+'tcx, 'tcx: 'a> {
-    fields: CombineFields<'a, 'gcx, 'tcx>,
+pub struct Sub<'infcx, 'gcx: 'infcx+'tcx, 'tcx: 'infcx> {
+    fields: CombineFields<'infcx, 'gcx, 'tcx>,
 }
 
-impl<'a, 'gcx, 'tcx> Sub<'a, 'gcx, 'tcx> {
-    pub fn new(f: CombineFields<'a, 'gcx, 'tcx>) -> Sub<'a, 'gcx, 'tcx> {
+impl<'infcx, 'gcx, 'tcx> Sub<'infcx, 'gcx, 'tcx> {
+    pub fn new(f: CombineFields<'infcx, 'gcx, 'tcx>) -> Sub<'infcx, 'gcx, 'tcx> {
         Sub { fields: f }
     }
 
@@ -33,9 +33,9 @@ impl<'a, 'gcx, 'tcx> Sub<'a, 'gcx, 'tcx> {
     }
 }
 
-impl<'a, 'gcx, 'tcx> TypeRelation<'a, 'gcx, 'tcx> for Sub<'a, 'gcx, 'tcx> {
+impl<'infcx, 'gcx, 'tcx> TypeRelation<'infcx, 'gcx, 'tcx> for Sub<'infcx, 'gcx, 'tcx> {
     fn tag(&self) -> &'static str { "Sub" }
-    fn tcx(&self) -> TyCtxt<'a, 'gcx, 'tcx> { self.fields.infcx.tcx }
+    fn tcx(&self) -> TyCtxt<'infcx, 'gcx, 'tcx> { self.fields.infcx.tcx }
     fn a_is_expected(&self) -> bool { self.fields.a_is_expected }
 
     fn with_cause<F,R>(&mut self, cause: Cause, f: F) -> R