From: Masood Malekghassemi <atash@google.com>
Date: Mon, 25 Jul 2016 21:19:14 +0000 (-0700)
Subject: Rename infcx lifetimes in inference relations
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=5e390322c3ca016469eca9b5dc8ce761a9786a0b;p=rust.git

Rename infcx lifetimes in inference relations
---

diff --git a/src/librustc/infer/bivariate.rs b/src/librustc/infer/bivariate.rs
index 96b14a6c321..610e25e0f8a 100644
--- a/src/librustc/infer/bivariate.rs
+++ b/src/librustc/infer/bivariate.rs
@@ -32,20 +32,20 @@
 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
index c9235d063cb..36ea228956d 100644
--- a/src/librustc/infer/combine.rs
+++ b/src/librustc/infer/combine.rs
@@ -52,21 +52,21 @@
 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 @@ fn unify_float_variable(&self,
     }
 }
 
-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
index 408f22cf15c..f3dc44e8efd 100644
--- a/src/librustc/infer/equate.rs
+++ b/src/librustc/infer/equate.rs
@@ -18,12 +18,12 @@
 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 @@ pub fn obligations(self) -> PredicateObligations<'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
index b7085f0829f..51386083ab3 100644
--- a/src/librustc/infer/glb.rs
+++ b/src/librustc/infer/glb.rs
@@ -18,12 +18,12 @@
 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 @@ pub fn obligations(self) -> PredicateObligations<'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 @@ fn binders<T>(&mut self, a: &ty::Binder<T>, b: &ty::Binder<T>)
     }
 }
 
-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
index bd46f3a26a2..bd87c91dea5 100644
--- a/src/librustc/infer/lub.rs
+++ b/src/librustc/infer/lub.rs
@@ -18,12 +18,12 @@
 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 @@ pub fn obligations(self) -> PredicateObligations<'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 @@ fn binders<T>(&mut self, a: &ty::Binder<T>, b: &ty::Binder<T>)
     }
 }
 
-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
index 680dd0d6355..404763b3bd3 100644
--- a/src/librustc/infer/sub.rs
+++ b/src/librustc/infer/sub.rs
@@ -19,12 +19,12 @@
 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 @@ pub fn obligations(self) -> PredicateObligations<'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