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-rw-r--r--src/lux/type.clj38
-rw-r--r--src/lux/type/host.clj9
2 files changed, 23 insertions, 24 deletions
diff --git a/src/lux/type.clj b/src/lux/type.clj
index 4661b3166..2729b92e8 100644
--- a/src/lux/type.clj
+++ b/src/lux/type.clj
@@ -627,12 +627,12 @@
(defn ^:private check* [class-loader fixpoints invariant?? expected actual]
(if (clojure.lang.Util/identical expected actual)
- (return (&/T [fixpoints nil]))
+ (return fixpoints)
(&/with-attempt
(|case [expected actual]
[(&/$VarT ?eid) (&/$VarT ?aid)]
(if (.equals ^Object ?eid ?aid)
- (return (&/T [fixpoints nil]))
+ (return fixpoints)
(|do [ebound (fn [state]
(|case ((deref ?eid) state)
(&/$Right state* ebound)
@@ -650,7 +650,7 @@
(|case [ebound abound]
[(&/$None _) (&/$None _)]
(|do [_ (set-var ?eid actual)]
- (return (&/T [fixpoints nil])))
+ (return fixpoints))
[(&/$Some etype) (&/$None _)]
(check* class-loader fixpoints invariant?? etype actual)
@@ -665,7 +665,7 @@
(fn [state]
(|case ((set-var ?id actual) state)
(&/$Right state* _)
- (return* state* (&/T [fixpoints nil]))
+ (return* state* fixpoints)
(&/$Left _)
((|do [bound (deref ?id)]
@@ -676,7 +676,7 @@
(fn [state]
(|case ((set-var ?id expected) state)
(&/$Right state* _)
- (return* state* (&/T [fixpoints nil]))
+ (return* state* fixpoints)
(&/$Left _)
((|do [bound (deref ?id)]
@@ -697,11 +697,10 @@
(return* state* output)
(&/$Left _)
- ((|do [[fixpoints* _] (check* class-loader fixpoints invariant?? (&/$VarT ?id) F2)
+ ((|do [fixpoints* (check* class-loader fixpoints invariant?? (&/$VarT ?id) F2)
e* (apply-type F2 A1)
- a* (apply-type F2 A2)
- [fixpoints** _] (check* class-loader fixpoints* invariant?? e* a*)]
- (return (&/T [fixpoints** nil])))
+ a* (apply-type F2 A2)]
+ (check* class-loader fixpoints* invariant?? e* a*))
state)))
[(&/$AppT F1 A1) (&/$AppT (&/$VarT ?id) A2)]
@@ -713,11 +712,10 @@
(return* state* output)
(&/$Left _)
- ((|do [[fixpoints* _] (check* class-loader fixpoints invariant?? F1 (&/$VarT ?id))
+ ((|do [fixpoints* (check* class-loader fixpoints invariant?? F1 (&/$VarT ?id))
e* (apply-type F1 A1)
- a* (apply-type F1 A2)
- [fixpoints** _] (check* class-loader fixpoints* invariant?? e* a*)]
- (return (&/T [fixpoints** nil])))
+ a* (apply-type F1 A2)]
+ (check* class-loader fixpoints* invariant?? e* a*))
state)))
[(&/$AppT F A) _]
@@ -734,7 +732,7 @@
(|case (fp-get fp-pair fixpoints)
(&/$Some ?)
(if ?
- (return (&/T [fixpoints nil]))
+ (return fixpoints)
(check-error "" expected actual))
(&/$None)
@@ -782,26 +780,26 @@
a!data)
[(&/$VoidT) (&/$VoidT)]
- (return (&/T [fixpoints nil]))
+ (return fixpoints)
[(&/$UnitT) (&/$UnitT)]
- (return (&/T [fixpoints nil]))
+ (return fixpoints)
[(&/$LambdaT eI eO) (&/$LambdaT aI aO)]
- (|do [[fixpoints* _] (check* class-loader fixpoints invariant?? aI eI)]
+ (|do [fixpoints* (check* class-loader fixpoints invariant?? aI eI)]
(check* class-loader fixpoints* invariant?? eO aO))
[(&/$ProdT eL eR) (&/$ProdT aL aR)]
- (|do [[fixpoints* _] (check* class-loader fixpoints invariant?? eL aL)]
+ (|do [fixpoints* (check* class-loader fixpoints invariant?? eL aL)]
(check* class-loader fixpoints* invariant?? eR aR))
[(&/$SumT eL eR) (&/$SumT aL aR)]
- (|do [[fixpoints* _] (check* class-loader fixpoints invariant?? eL aL)]
+ (|do [fixpoints* (check* class-loader fixpoints invariant?? eL aL)]
(check* class-loader fixpoints* invariant?? eR aR))
[(&/$ExT e!id) (&/$ExT a!id)]
(if (.equals ^Object e!id a!id)
- (return (&/T [fixpoints nil]))
+ (return fixpoints)
(check-error "" expected actual))
[(&/$NamedT ?ename ?etype) _]
diff --git a/src/lux/type/host.clj b/src/lux/type/host.clj
index 340d805a2..b3858d2e5 100644
--- a/src/lux/type/host.clj
+++ b/src/lux/type/host.clj
@@ -250,17 +250,18 @@
(defn check-host-types [check check-error fixpoints existential class-loader invariant?? expected actual]
(|let [[e!name e!params] expected
[a!name a!params] actual]
+ ;; TODO: Delete first branch. It smells like a hack...
(try (cond (= "java.lang.Object" e!name)
- (return (&/T [fixpoints nil]))
+ (return fixpoints)
(= null-data-tag a!name)
(if (not (primitive-type? e!name))
- (return (&/T [fixpoints nil]))
+ (return fixpoints)
(check-error "" (&/$HostT e!name e!params) (&/$HostT a!name a!params)))
(= null-data-tag e!name)
(if (= null-data-tag a!name)
- (return (&/T [fixpoints nil]))
+ (return fixpoints)
(check-error "" (&/$HostT e!name e!params) (&/$HostT a!name a!params)))
(and (= array-data-tag e!name)
@@ -273,7 +274,7 @@
(cond (.equals ^Object e!name a!name)
(if (= (&/|length e!params) (&/|length a!params))
(|do [_ (&/map2% check e!params a!params)]
- (return (&/T [fixpoints nil])))
+ (return fixpoints))
(fail (str "[Type Error] Amounts of generic parameters don't match: " e!name "(" (&/|length e!params) ")" " vs " a!name "(" (&/|length a!params) ")")))
(not invariant??)