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Glasgow Haskell Compiler
GHC
Commits
8ee2b953
Commit
8ee2b953
authored
Sep 19, 2015
by
eir@cis.upenn.edu
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Plain Diff
Polish some error messages.
parent
2d4db40a
Changes
4
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4 changed files
with
49 additions
and
49 deletions
+49
-49
compiler/typecheck/FamInst.hs
compiler/typecheck/FamInst.hs
+3
-3
testsuite/tests/ghci/scripts/T6018ghcifail.stderr
testsuite/tests/ghci/scripts/T6018ghcifail.stderr
+17
-17
testsuite/tests/typecheck/should_fail/T6018fail.stderr
testsuite/tests/typecheck/should_fail/T6018fail.stderr
+20
-20
testsuite/tests/typecheck/should_fail/T6018failclosed.stderr
testsuite/tests/typecheck/should_fail/T6018failclosed.stderr
+9
-9
No files found.
compiler/typecheck/FamInst.hs
View file @
8ee2b953
...
@@ -570,16 +570,16 @@ unusedInjectiveVarsErr unused_tyvars errorBuilder tyfamEqn
...
@@ -570,16 +570,16 @@ unusedInjectiveVarsErr unused_tyvars errorBuilder tyfamEqn
=
if
not
(
null
tyVars
)
=
if
not
(
null
tyVars
)
then
text
"Injective type variable"
<>
plural
tyVars
<+>
then
text
"Injective type variable"
<>
plural
tyVars
<+>
pprQuotedList
tyVars
<+>
doOrDoes
tyVars
<+>
pprQuotedList
tyVars
<+>
doOrDoes
tyVars
<+>
text
"not appear on
injective position
."
text
"not appear on
the right-hand side
."
else
empty
else
empty
kiVarsSDoc
kiVarsSDoc
=
if
not
(
null
kiVars
)
=
if
not
(
null
kiVars
)
then
text
"Injective kind variable"
<>
plural
kiVars
<+>
then
text
"Injective kind variable"
<>
plural
kiVars
<+>
pprQuotedList
kiVars
<+>
isOrAre
kiVars
<+>
pprQuotedList
kiVars
<+>
isOrAre
kiVars
<+>
text
"not inferable from the RHS type variables."
text
"not infer
r
able from the RHS type variables."
else
empty
else
empty
in
tyVarsSDoc
$$
kiVarsSDoc
$$
in
tyVarsSDoc
$$
kiVarsSDoc
$$
text
"In the
RHS of
type family equation:"
text
"In the type family equation:"
-- | Build error message for equation that has a type family call at the top
-- | Build error message for equation that has a type family call at the top
-- level of RHS
-- level of RHS
...
...
testsuite/tests/ghci/scripts/T6018ghcifail.stderr
View file @
8ee2b953
...
@@ -22,14 +22,14 @@
...
@@ -22,14 +22,14 @@
<interactive>:40:15: error:
<interactive>:40:15: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective type variable ‘b’ does not appear on
injective position
.
Injective type variable ‘b’ does not appear on
the right-hand side
.
In the
RHS of
type family equation:
In the type family equation:
J Int b c = Char
J Int b c = Char
<interactive>:44:15: error:
<interactive>:44:15: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective type variable ‘n’ does not appear on
injective position
.
Injective type variable ‘n’ does not appear on
the right-hand side
.
In the
RHS of
type family equation:
In the type family equation:
K ('S n) m = 'S m
K ('S n) m = 'S m
<interactive>:49:15: error:
<interactive>:49:15: error:
...
@@ -39,27 +39,27 @@
...
@@ -39,27 +39,27 @@
<interactive>:55:41: error:
<interactive>:55:41: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective kind variable ‘k’ is not inferable from the RHS type variables.
Injective kind variable ‘k’ is not infer
r
able from the RHS type variables.
In the
RHS of
type family equation:
In the type family equation:
PolyKindVarsF '[] = '[]
PolyKindVarsF '[] = '[]
<interactive>:60:15: error:
<interactive>:60:15: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective kind variable ‘k1’ is not inferable from the RHS type variables.
Injective kind variable ‘k1’ is not infer
r
able from the RHS type variables.
In the
RHS of
type family equation:
In the type family equation:
PolyKindVars '[] = '[]
PolyKindVars '[] = '[]
<interactive>:64:15: error:
<interactive>:64:15: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective kind variable ‘k’ is not inferable from the RHS type variables.
Injective kind variable ‘k’ is not infer
r
able from the RHS type variables.
In the
RHS of
type family equation:
In the type family equation:
forall (k :: BOX) (a :: k) (b :: k). Fc a b = Int
forall (k :: BOX) (a :: k) (b :: k). Fc a b = Int
<interactive>:68:15: error:
<interactive>:68:15: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective type variables ‘a’, ‘b’ do not appear on
injective position
.
Injective type variables ‘a’, ‘b’ do not appear on
the right-hand side
.
Injective kind variable ‘k’ is not inferable from the RHS type variables.
Injective kind variable ‘k’ is not infer
r
able from the RHS type variables.
In the
RHS of
type family equation:
In the type family equation:
forall (k :: BOX) (a :: k) (b :: k). Gc a b = Int
forall (k :: BOX) (a :: k) (b :: k). Gc a b = Int
<interactive>:81:15: error:
<interactive>:81:15: error:
...
@@ -95,8 +95,8 @@
...
@@ -95,8 +95,8 @@
<interactive>:104:15: error:
<interactive>:104:15: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective type variable ‘b’ does not appear on
injective position
.
Injective type variable ‘b’ does not appear on
the right-hand side
.
In the
RHS of
type family equation:
In the type family equation:
G4 a b = [a]
G4 a b = [a]
<interactive>:107:15: error:
<interactive>:107:15: error:
...
@@ -106,6 +106,6 @@
...
@@ -106,6 +106,6 @@
<interactive>:111:15: error:
<interactive>:111:15: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective type variable ‘a’ does not appear on
injective position
.
Injective type variable ‘a’ does not appear on
the right-hand side
.
In the
RHS of
type family equation:
In the type family equation:
G6 [a] = [HF1 a]
G6 [a] = [HF1 a]
testsuite/tests/typecheck/should_fail/T6018fail.stderr
View file @
8ee2b953
...
@@ -42,14 +42,14 @@ T6018fail.hs:37:15: error:
...
@@ -42,14 +42,14 @@ T6018fail.hs:37:15: error:
T6018fail.hs:42:15: error:
T6018fail.hs:42:15: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective type variable ‘b’ does not appear on
injective position
.
Injective type variable ‘b’ does not appear on
the right-hand side
.
In the
RHS of
type family equation:
In the type family equation:
J Int b c = Char
J Int b c = Char
T6018fail.hs:46:15: error:
T6018fail.hs:46:15: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective type variable ‘n’ does not appear on
injective position
.
Injective type variable ‘n’ does not appear on
the right-hand side
.
In the
RHS of
type family equation:
In the type family equation:
K ('S n) m = 'S m
K ('S n) m = 'S m
T6018fail.hs:51:15: error:
T6018fail.hs:51:15: error:
...
@@ -59,27 +59,27 @@ T6018fail.hs:51:15: error:
...
@@ -59,27 +59,27 @@ T6018fail.hs:51:15: error:
T6018fail.hs:59:10: error:
T6018fail.hs:59:10: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective kind variable ‘k’ is not inferable from the RHS type variables.
Injective kind variable ‘k’ is not infer
r
able from the RHS type variables.
In the
RHS of
type family equation:
In the type family equation:
PolyKindVarsF '[] = '[]
PolyKindVarsF '[] = '[]
T6018fail.hs:62:15: error:
T6018fail.hs:62:15: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective kind variable ‘k1’ is not inferable from the RHS type variables.
Injective kind variable ‘k1’ is not infer
r
able from the RHS type variables.
In the
RHS of
type family equation:
In the type family equation:
PolyKindVars '[] = '[]
PolyKindVars '[] = '[]
T6018fail.hs:66:15: error:
T6018fail.hs:66:15: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective kind variable ‘k’ is not inferable from the RHS type variables.
Injective kind variable ‘k’ is not infer
r
able from the RHS type variables.
In the
RHS of
type family equation:
In the type family equation:
forall (k :: BOX) (a :: k) (b :: k). Fc a b = Int
forall (k :: BOX) (a :: k) (b :: k). Fc a b = Int
T6018fail.hs:70:15: error:
T6018fail.hs:70:15: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective type variables ‘a’, ‘b’ do not appear on
injective position
.
Injective type variables ‘a’, ‘b’ do not appear on
the right-hand side
.
Injective kind variable ‘k’ is not inferable from the RHS type variables.
Injective kind variable ‘k’ is not infer
r
able from the RHS type variables.
In the
RHS of
type family equation:
In the type family equation:
forall (k :: BOX) (a :: k) (b :: k). Gc a b = Int
forall (k :: BOX) (a :: k) (b :: k). Gc a b = Int
T6018fail.hs:75:15: error:
T6018fail.hs:75:15: error:
...
@@ -115,8 +115,8 @@ T6018fail.hs:103:15: error:
...
@@ -115,8 +115,8 @@ T6018fail.hs:103:15: error:
T6018fail.hs:106:15: error:
T6018fail.hs:106:15: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective type variable ‘b’ does not appear on
injective position
.
Injective type variable ‘b’ does not appear on
the right-hand side
.
In the
RHS of
type family equation:
In the type family equation:
G4 a b = [a]
G4 a b = [a]
T6018fail.hs:110:15: error:
T6018fail.hs:110:15: error:
...
@@ -126,15 +126,15 @@ T6018fail.hs:110:15: error:
...
@@ -126,15 +126,15 @@ T6018fail.hs:110:15: error:
T6018fail.hs:113:15: error:
T6018fail.hs:113:15: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective type variable ‘a’ does not appear on
injective position
.
Injective type variable ‘a’ does not appear on
the right-hand side
.
In the
RHS of
type family equation:
In the type family equation:
G6 [a] = [HF1 a]
G6 [a] = [HF1 a]
T6018fail.hs:118:15: error:
T6018fail.hs:118:15: error:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective type variable ‘c’ does not appear on
injective position
.
Injective type variable ‘c’ does not appear on
the right-hand side
.
Injective kind variable ‘k’ is not inferable from the RHS type variables.
Injective kind variable ‘k’ is not infer
r
able from the RHS type variables.
In the
RHS of
type family equation:
In the type family equation:
forall (k :: BOX) a b (c :: k). G7 a b c = [G7a a b c]
forall (k :: BOX) a b (c :: k). G7 a b c = [G7a a b c]
T6018fail.hs:129:1: error:
T6018fail.hs:129:1: error:
...
...
testsuite/tests/typecheck/should_fail/T6018failclosed.stderr
View file @
8ee2b953
...
@@ -23,9 +23,9 @@ T6018failclosed.hs:19:5:
...
@@ -23,9 +23,9 @@ T6018failclosed.hs:19:5:
T6018failclosed.hs:25:5:
T6018failclosed.hs:25:5:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective type variable ‘b’ does not appear on
injective position
.
Injective type variable ‘b’ does not appear on
the right-hand side
.
Injective kind variable ‘k’ is not inferable from the RHS type variables.
Injective kind variable ‘k’ is not infer
r
able from the RHS type variables.
In the
RHS of
type family equation:
In the type family equation:
forall (k :: BOX) (k1 :: BOX) (b :: k) (c :: k1).
forall (k :: BOX) (k1 :: BOX) (b :: k) (c :: k1).
JClosed Int b c = Char
JClosed Int b c = Char
In the equations for closed type family ‘JClosed’
In the equations for closed type family ‘JClosed’
...
@@ -33,8 +33,8 @@ T6018failclosed.hs:25:5:
...
@@ -33,8 +33,8 @@ T6018failclosed.hs:25:5:
T6018failclosed.hs:30:5:
T6018failclosed.hs:30:5:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective type variable ‘n’ does not appear on
injective position
.
Injective type variable ‘n’ does not appear on
the right-hand side
.
In the
RHS of
type family equation:
In the type family equation:
KClosed ('S n) m = 'S m
KClosed ('S n) m = 'S m
In the equations for closed type family ‘KClosed’
In the equations for closed type family ‘KClosed’
In the type family declaration for ‘KClosed’
In the type family declaration for ‘KClosed’
...
@@ -62,8 +62,8 @@ T6018failclosed.hs:43:5:
...
@@ -62,8 +62,8 @@ T6018failclosed.hs:43:5:
T6018failclosed.hs:50:3:
T6018failclosed.hs:50:3:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective type variable ‘a’ does not appear on
injective position
.
Injective type variable ‘a’ does not appear on
the right-hand side
.
In the
RHS of
type family equation:
In the type family equation:
E2 a = 'False
E2 a = 'False
In the equations for closed type family ‘E2’
In the equations for closed type family ‘E2’
In the type family declaration for ‘E2’
In the type family declaration for ‘E2’
...
@@ -77,8 +77,8 @@ T6018failclosed.hs:61:3:
...
@@ -77,8 +77,8 @@ T6018failclosed.hs:61:3:
T6018failclosed.hs:66:5:
T6018failclosed.hs:66:5:
Type family equation violates injectivity annotation.
Type family equation violates injectivity annotation.
Injective kind variable ‘k’ is not inferable from the RHS type variables.
Injective kind variable ‘k’ is not infer
r
able from the RHS type variables.
In the
RHS of
type family equation:
In the type family equation:
forall (k :: BOX) (a :: k) (b :: k). Gc a b = Int
forall (k :: BOX) (a :: k) (b :: k). Gc a b = Int
In the equations for closed type family ‘Gc’
In the equations for closed type family ‘Gc’
In the type family declaration for ‘Gc’
In the type family declaration for ‘Gc’
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