[eeps] [erlang-patches] EEP37: Funs with names
Anthony Ramine
n.oxyde@REDACTED
Mon Oct 28 00:26:54 CET 2013
With DEBUG and DEBUG_PP defined in dialyzer_dataflow:
$ bin/dialyzer --plt .dialyzer_plt lib/dialyzer/test/small_SUITE_data/src/eep37.erl
Checking whether the PLT .dialyzer_plt is up-to-date... yes
Proceeding with analysis…
module 'eep37' ['fact'/0, 'module_info'/0,
'module_info'/1, 'self'/0]
attributes ['spec' = [{{'self', 0},
[{'type', 5, 'fun',
[{'type', 5, 'product', []},
{'type', 5, 'fun',
[{'type', 5, 'product', []},
{'type', 5, 'fun', []}]}]}]}]]
('self'/0 -| [{'label', 0}]) =
(fun () ->
case <> of
<> when 'true' ->
letrec
('Self'/0 -| [{'label', 5}]) =
(fun () ->
let (Self -| [{'label', 6}]) =
('Self'/0 -| [{'label', 5}])
in case <> of
<> when 'true' -> (Self -| [{'label', 6}])
<> when 'true' ->
primop
'match_fail'({'function_clause'})
end
-| [{'label', 13}])
in ('Self'/0 -| [{'label', 5}])
<> when 'true' ->
primop 'match_fail'({'function_clause'})
end
-| [{'label', 19}])
('fact'/0 -| [{'label', 1}]) =
(fun () ->
case <> of
<> when 'true' ->
letrec
('Fact'/1 -| [{'label', 21}]) =
(fun ((_cor2 -| [{'label', 22}])) ->
let (Fact -| [{'label', 23}]) =
('Fact'/1 -| [{'label', 21}])
in case (_cor2 -| [{'label', 22}]) of
(N -| [{'label', 24}])
when call 'erlang':'>'((N -| [{'label',
24}]),
0)
->
let (_cor0 -| [{'label', 27}]) =
call 'erlang':'-'((N -| [{'label',
24}]),
1) in
let (_cor1 -| [{'label', 29}]) =
apply (Fact -| [{'label',
23}])((_cor0
-| [{'label',
27}]))
in call 'erlang':'*'((N -| [{'label',
24}]),
(_cor1
-| [{'label',
29}]))
0 when 'true' -> 1
(_cor3 -| [{'label', 35}]) when 'true' ->
primop 'match_fail'({'function_clause',
(_cor3
-| [{'label',
35}])})
end
-| [{'label', 41}])
in ('Fact'/1 -| [{'label', 21}])
<> when 'true' ->
primop 'match_fail'({'function_clause'})
end
-| [{'label', 47}])
('module_info'/0 -| [{'label', 2}]) =
(fun () ->
case <> of
<> when 'true' ->
call 'erlang':'get_module_info'('eep37')
<> when 'true' ->
primop 'match_fail'({'function_clause'})
end
-| [{'label', 54}])
('module_info'/1 -| [{'label', 3}]) =
(fun ((_cor0 -| [{'label', 55}])) ->
case (_cor0 -| [{'label', 55}]) of
(X -| [{'label', 56}]) when 'true' ->
call 'erlang':'get_module_info'('eep37',
(X -| [{'label', 56}]))
(_cor1 -| [{'label', 59}]) when 'true' ->
primop 'match_fail'({'function_clause',
(_cor1 -| [{'label', 59}])})
end
-| [{'label', 64}])
end
DICT:[{64,{[any],unit}},
{top,{[],none}},
{19,{[],unit}},
{54,{[],unit}},
{41,{[any],unit}},
{47,{[],unit}},
{13,{[],unit}}]
FunType 64:{ok,{[any],unit}}
Handling fun {eep37,module_info,1}: fun((_) -> no_return())
Entering 55 :: any()
Handling 'case'
Handling var
Looking up unknown variable: {c_var,
[{label,55},
0,
{file,
"/Users/nox/src/otp/lib/dialyzer/test/small_SUITE_data/src/eep37.erl"}],
cor0}
Entering 56 :: any()
Subst: storing 55 = 56
Binding pat: var to any()
Entering 56 :: any()
Binding pat: var to any()
Binding 55 to 56
Entering 56 :: any()
Handling pos guard: 'true'
Handling call
Handling literal
Handling literal
Handling literal
Handling var
Looking up unknown variable: {c_var,
[{label,56},
0,
{file,
"/Users/nox/src/otp/lib/dialyzer/test/small_SUITE_data/src/eep37.erl"}],
'X'}
--------------------------------------------------------
Fun: {erlang,get_module_info,2}
Args: <'eep37',_>
NewArgsSig: <'eep37',_>
NewArgsContract: <'eep37','attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'>
NewArgsBif: <'eep37',_>
NewArgTypes: <'eep37','attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'>
RetWithoutContr: any()
RetWithoutLocal: atom() | [{atom(),_} | {atom(),byte(),integer()}]
BifRet: any()
ContrRet: atom() | [{atom(),_} | {atom(),byte(),integer()}]
SigRet: any()
NewAccRet: atom() | [{atom(),_} | {atom(),byte(),integer()}]
Entering 56 :: 'attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'
Entering 55 :: 'attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'
Entering 55 :: 'attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'
Map:
55 :: any()
Done analyzing: {eep37,module_info,1}:fun((_) -> atom() | [{atom(),_} | {atom(),byte(),integer()}])
New Entry for {eep37,module_info,1}: fun((_) -> atom() | [{atom(),_} | {atom(),byte(),integer()}])
done adding stuff for {eep37,module_info,1}
FunType 19:{ok,{[],unit}}
Handling fun {eep37,self,0}: fun(() -> no_return())
Handling 'case'
Handling values
Binding pat: values to <>
Handling pos guard: 'true'
Handling letrec
Handling 'fun'
FunType 13:{ok,{[],unit}}
Entering 5 :: fun(() -> no_return())
Handling var
Looking up unknown variable: {c_var,[{label,5}],{'Self',0}}
Map:
Done analyzing: {eep37,self,0}:fun(() -> fun(() -> no_return()))
New Entry for {eep37,self,0}: fun(() -> fun(() -> no_return()))
{eep37,self,0}: Will try to add:[13]
done adding stuff for {eep37,self,0}
FunType 54:{ok,{[],unit}}
Handling fun {eep37,module_info,0}: fun(() -> no_return())
Handling 'case'
Handling values
Binding pat: values to <>
Handling pos guard: 'true'
Handling call
Handling literal
Handling literal
Handling literal
--------------------------------------------------------
Fun: {erlang,get_module_info,1}
Args: 'eep37'
NewArgsSig: 'eep37'
NewArgsContract: 'eep37'
NewArgsBif: 'eep37'
NewArgTypes: 'eep37'
RetWithoutContr: any()
RetWithoutLocal: [{atom(),[{atom(),_}]}]
BifRet: any()
ContrRet: [{atom(),[{atom(),_}]}]
SigRet: any()
NewAccRet: [{atom(),[{atom(),_}]}]
Map:
Done analyzing: {eep37,module_info,0}:fun(() -> [{atom(),[{atom(),_}]}])
New Entry for {eep37,module_info,0}: fun(() -> [{atom(),[any()]}])
done adding stuff for {eep37,module_info,0}
FunType 41:{ok,{[any],unit}}
Handling fun 41: fun((_) -> no_return())
Entering 22 :: any()
Handling 'let'
Subst: storing 23 = 21
Handling var
Looking up unknown variable: {c_var,[{label,21}],{'Fact',1}}
Done analyzing: 41:fun((_) -> none())
New Entry for 41: fun((_) -> none())
41: Will try to add:[41,{eep37,fact,0}]
done adding stuff for 41
FunType 47:{ok,{[],unit}}
Handling fun {eep37,fact,0}: fun(() -> no_return())
Handling 'case'
Handling values
Binding pat: values to <>
Handling pos guard: 'true'
Handling letrec
Handling 'fun'
FunType 41:{ok,{[any],none}}
Entering 21 :: fun((_) -> none())
Handling var
Looking up unknown variable: {c_var,[{label,21}],{'Fact',1}}
Map:
Done analyzing: {eep37,fact,0}:fun(() -> fun((_) -> none()))
New Entry for {eep37,fact,0}: fun(() -> fun((non_neg_integer()) -> none()))
{eep37,fact,0}: Will try to add:[41]
done adding stuff for {eep37,fact,0}
FunType 13:{ok,{[],unit}}
Handling fun 13: fun(() -> no_return())
Handling 'let'
Subst: storing 6 = 5
Handling var
Looking up unknown variable: {c_var,[{label,5}],{'Self',0}}
Done analyzing: 13:fun(() -> none())
New Entry for 13: fun(() -> none())
13: Will try to add:[{eep37,self,0},13]
done adding stuff for 13
FunType 41:{ok,{[any],none}}
Handling fun 41: fun((_) -> none())
Entering 22 :: any()
Handling 'let'
Subst: storing 23 = 21
Handling var
Looking up unknown variable: {c_var,[{label,21}],{'Fact',1}}
Done analyzing: 41:fun((_) -> none())
Fixpoint for 41: fun((_) -> none())
done adding stuff for 41
FunType 19:{ok,{[],{c,function,[{c,product,[],unknown},unit],unknown}}}
Handling fun {eep37,self,0}: fun(() -> fun(() -> no_return()))
Handling 'case'
Handling values
Binding pat: values to <>
Handling pos guard: 'true'
Handling letrec
Handling 'fun'
FunType 13:{ok,{[],none}}
Entering 5 :: fun(() -> none())
Handling var
Looking up unknown variable: {c_var,[{label,5}],{'Self',0}}
Map:
Done analyzing: {eep37,self,0}:fun(() -> fun(() -> none()))
New Entry for {eep37,self,0}: fun(() -> fun(() -> none()))
{eep37,self,0}: Will try to add:[13]
done adding stuff for {eep37,self,0}
FunType 13:{ok,{[],none}}
Handling fun 13: fun(() -> none())
Handling 'let'
Subst: storing 6 = 5
Handling var
Looking up unknown variable: {c_var,[{label,5}],{'Self',0}}
Done analyzing: 13:fun(() -> none())
Fixpoint for 13: fun(() -> none())
done adding stuff for 13
module 'eep37' ['fact'/0, 'module_info'/0,
'module_info'/1, 'self'/0]
attributes ['spec' = [{{'self', 0},
[{'type', 5, 'fun',
[{'type', 5, 'product', []},
{'type', 5, 'fun',
[{'type', 5, 'product', []},
{'type', 5, 'fun', []}]}]}]}]]
('self'/0 -| [{'label', 0}]) =
(fun () ->
case <> of
<> when 'true' ->
letrec
('Self'/0 -| [{'label', 5}]) =
(fun () ->
let (Self -| [{'label', 6}]) =
('Self'/0 -| [{'label', 5}])
in case <> of
<> when 'true' -> (Self -| [{'label', 6}])
<> when 'true' ->
primop
'match_fail'({'function_clause'})
end
-| [{'label', 13}])
in ('Self'/0 -| [{'label', 5}])
<> when 'true' ->
primop 'match_fail'({'function_clause'})
end
-| [{'label', 19}])
('fact'/0 -| [{'label', 1}]) =
(fun () ->
case <> of
<> when 'true' ->
letrec
('Fact'/1 -| [{'label', 21}]) =
(fun ((_cor2 -| [{'label', 22}])) ->
let (Fact -| [{'label', 23}]) =
('Fact'/1 -| [{'label', 21}])
in case (_cor2 -| [{'label', 22}]) of
(N -| [{'label', 24}])
when call 'erlang':'>'((N -| [{'label',
24}]),
0)
->
let (_cor0 -| [{'label', 27}]) =
call 'erlang':'-'((N -| [{'label',
24}]),
1) in
let (_cor1 -| [{'label', 29}]) =
apply (Fact -| [{'label',
23}])((_cor0
-| [{'label',
27}]))
in call 'erlang':'*'((N -| [{'label',
24}]),
(_cor1
-| [{'label',
29}]))
0 when 'true' -> 1
(_cor3 -| [{'label', 35}]) when 'true' ->
primop 'match_fail'({'function_clause',
(_cor3
-| [{'label',
35}])})
end
-| [{'label', 41}])
in ('Fact'/1 -| [{'label', 21}])
<> when 'true' ->
primop 'match_fail'({'function_clause'})
end
-| [{'label', 47}])
('module_info'/0 -| [{'label', 2}]) =
(fun () ->
case <> of
<> when 'true' ->
call 'erlang':'get_module_info'('eep37')
<> when 'true' ->
primop 'match_fail'({'function_clause'})
end
-| [{'label', 54}])
('module_info'/1 -| [{'label', 3}]) =
(fun ((_cor0 -| [{'label', 55}])) ->
case (_cor0 -| [{'label', 55}]) of
(X -| [{'label', 56}]) when 'true' ->
call 'erlang':'get_module_info'('eep37',
(X -| [{'label', 56}]))
(_cor1 -| [{'label', 59}]) when 'true' ->
primop 'match_fail'({'function_clause',
(_cor1 -| [{'label', 59}])})
end
-| [{'label', 64}])
end
DICT:[{64,{[any],unit}},
{top,{[],none}},
{19,{[],unit}},
{54,{[],unit}},
{41,{[any],unit}},
{47,{[],unit}},
{13,{[],unit}}]
FunType 64:{ok,{[any],unit}}
Handling fun {eep37,module_info,1}: fun((_) -> no_return())
Entering 55 :: any()
Handling 'case'
Handling var
Looking up unknown variable: {c_var,
[{label,55},
0,
{file,
"/Users/nox/src/otp/lib/dialyzer/test/small_SUITE_data/src/eep37.erl"}],
cor0}
Entering 56 :: any()
Subst: storing 55 = 56
Binding pat: var to any()
Entering 56 :: any()
Binding pat: var to any()
Binding 55 to 56
Entering 56 :: any()
Handling pos guard: 'true'
Handling call
Handling literal
Handling literal
Handling literal
Handling var
Looking up unknown variable: {c_var,
[{label,56},
0,
{file,
"/Users/nox/src/otp/lib/dialyzer/test/small_SUITE_data/src/eep37.erl"}],
'X'}
--------------------------------------------------------
Fun: {erlang,get_module_info,2}
Args: <'eep37',_>
NewArgsSig: <'eep37',_>
NewArgsContract: <'eep37','attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'>
NewArgsBif: <'eep37',_>
NewArgTypes: <'eep37','attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'>
RetWithoutContr: any()
RetWithoutLocal: atom() | [{atom(),_} | {atom(),byte(),integer()}]
BifRet: any()
ContrRet: atom() | [{atom(),_} | {atom(),byte(),integer()}]
SigRet: any()
NewAccRet: atom() | [{atom(),_} | {atom(),byte(),integer()}]
Entering 56 :: 'attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'
Entering 55 :: 'attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'
Entering 55 :: 'attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'
Map:
55 :: any()
Done analyzing: {eep37,module_info,1}:fun((_) -> atom() | [{atom(),_} | {atom(),byte(),integer()}])
New Entry for {eep37,module_info,1}: fun((_) -> atom() | [{atom(),_} | {atom(),byte(),integer()}])
done adding stuff for {eep37,module_info,1}
FunType 19:{ok,{[],unit}}
Handling fun {eep37,self,0}: fun(() -> no_return())
Handling 'case'
Handling values
Binding pat: values to <>
Handling pos guard: 'true'
Handling letrec
Handling 'fun'
FunType 13:{ok,{[],unit}}
Entering 5 :: fun(() -> no_return())
Handling var
Looking up unknown variable: {c_var,[{label,5}],{'Self',0}}
Map:
Done analyzing: {eep37,self,0}:fun(() -> fun(() -> no_return()))
New Entry for {eep37,self,0}: fun(() -> fun(() -> none()))
{eep37,self,0}: Will try to add:[13]
done adding stuff for {eep37,self,0}
FunType 54:{ok,{[],unit}}
Handling fun {eep37,module_info,0}: fun(() -> no_return())
Handling 'case'
Handling values
Binding pat: values to <>
Handling pos guard: 'true'
Handling call
Handling literal
Handling literal
Handling literal
--------------------------------------------------------
Fun: {erlang,get_module_info,1}
Args: 'eep37'
NewArgsSig: 'eep37'
NewArgsContract: 'eep37'
NewArgsBif: 'eep37'
NewArgTypes: 'eep37'
RetWithoutContr: any()
RetWithoutLocal: [{atom(),[{atom(),_}]}]
BifRet: any()
ContrRet: [{atom(),[{atom(),_}]}]
SigRet: any()
NewAccRet: [{atom(),[{atom(),_}]}]
Map:
Done analyzing: {eep37,module_info,0}:fun(() -> [{atom(),[{atom(),_}]}])
New Entry for {eep37,module_info,0}: fun(() -> [{atom(),[any()]}])
done adding stuff for {eep37,module_info,0}
FunType 41:{ok,{[any],unit}}
Handling fun 41: fun((_) -> no_return())
Entering 22 :: any()
Handling 'let'
Subst: storing 23 = 21
Handling var
Looking up unknown variable: {c_var,[{label,21}],{'Fact',1}}
Done analyzing: 41:fun((_) -> none())
New Entry for 41: fun((_) -> none())
41: Will try to add:[41,{eep37,fact,0}]
done adding stuff for 41
FunType 47:{ok,{[],unit}}
Handling fun {eep37,fact,0}: fun(() -> no_return())
Handling 'case'
Handling values
Binding pat: values to <>
Handling pos guard: 'true'
Handling letrec
Handling 'fun'
FunType 41:{ok,{[any],none}}
Entering 21 :: fun((_) -> none())
Handling var
Looking up unknown variable: {c_var,[{label,21}],{'Fact',1}}
Map:
Done analyzing: {eep37,fact,0}:fun(() -> fun((_) -> none()))
New Entry for {eep37,fact,0}: fun(() -> fun((0) -> none()))
{eep37,fact,0}: Will try to add:[41]
done adding stuff for {eep37,fact,0}
FunType 13:{ok,{[],unit}}
Handling fun 13: fun(() -> no_return())
Handling 'let'
Subst: storing 6 = 5
Handling var
Looking up unknown variable: {c_var,[{label,5}],{'Self',0}}
Done analyzing: 13:fun(() -> none())
New Entry for 13: fun(() -> none())
13: Will try to add:[{eep37,self,0},13]
done adding stuff for 13
FunType 41:{ok,{[any],none}}
Handling fun 41: fun((_) -> none())
Entering 22 :: any()
Handling 'let'
Subst: storing 23 = 21
Handling var
Looking up unknown variable: {c_var,[{label,21}],{'Fact',1}}
Done analyzing: 41:fun((_) -> none())
Fixpoint for 41: fun((_) -> none())
done adding stuff for 41
FunType 19:{ok,{[],{c,function,[{c,product,[],unknown},none],unknown}}}
Handling fun {eep37,self,0}: fun(() -> fun(() -> none()))
Handling 'case'
Handling values
Binding pat: values to <>
Handling pos guard: 'true'
Handling letrec
Handling 'fun'
FunType 13:{ok,{[],none}}
Entering 5 :: fun(() -> none())
Handling var
Looking up unknown variable: {c_var,[{label,5}],{'Self',0}}
Map:
Done analyzing: {eep37,self,0}:fun(() -> fun(() -> none()))
Fixpoint for {eep37,self,0}: fun(() -> fun(() -> none()))
done adding stuff for {eep37,self,0}
FunType 13:{ok,{[],none}}
Handling fun 13: fun(() -> none())
Handling 'let'
Subst: storing 6 = 5
Handling var
Looking up unknown variable: {c_var,[{label,5}],{'Self',0}}
Done analyzing: 13:fun(() -> none())
Fixpoint for 13: fun(() -> none())
done adding stuff for 13
module 'eep37' ['fact'/0, 'module_info'/0,
'module_info'/1, 'self'/0]
attributes ['spec' = [{{'self', 0},
[{'type', 5, 'fun',
[{'type', 5, 'product', []},
{'type', 5, 'fun',
[{'type', 5, 'product', []},
{'type', 5, 'fun', []}]}]}]}]]
('self'/0 -| [{'label', 0}]) =
(fun () ->
case <> of
<> when 'true' ->
letrec
('Self'/0 -| [{'label', 5}]) =
(fun () ->
let (Self -| [{'label', 6}]) =
('Self'/0 -| [{'label', 5}])
in case <> of
<> when 'true' -> (Self -| [{'label', 6}])
<> when 'true' ->
primop
'match_fail'({'function_clause'})
end
-| [{'label', 13}])
in ('Self'/0 -| [{'label', 5}])
<> when 'true' ->
primop 'match_fail'({'function_clause'})
end
-| [{'label', 19}])
('fact'/0 -| [{'label', 1}]) =
(fun () ->
case <> of
<> when 'true' ->
letrec
('Fact'/1 -| [{'label', 21}]) =
(fun ((_cor2 -| [{'label', 22}])) ->
let (Fact -| [{'label', 23}]) =
('Fact'/1 -| [{'label', 21}])
in case (_cor2 -| [{'label', 22}]) of
(N -| [{'label', 24}])
when call 'erlang':'>'((N -| [{'label',
24}]),
0)
->
let (_cor0 -| [{'label', 27}]) =
call 'erlang':'-'((N -| [{'label',
24}]),
1) in
let (_cor1 -| [{'label', 29}]) =
apply (Fact -| [{'label',
23}])((_cor0
-| [{'label',
27}]))
in call 'erlang':'*'((N -| [{'label',
24}]),
(_cor1
-| [{'label',
29}]))
0 when 'true' -> 1
(_cor3 -| [{'label', 35}]) when 'true' ->
primop 'match_fail'({'function_clause',
(_cor3
-| [{'label',
35}])})
end
-| [{'label', 41}])
in ('Fact'/1 -| [{'label', 21}])
<> when 'true' ->
primop 'match_fail'({'function_clause'})
end
-| [{'label', 47}])
('module_info'/0 -| [{'label', 2}]) =
(fun () ->
case <> of
<> when 'true' ->
call 'erlang':'get_module_info'('eep37')
<> when 'true' ->
primop 'match_fail'({'function_clause'})
end
-| [{'label', 54}])
('module_info'/1 -| [{'label', 3}]) =
(fun ((_cor0 -| [{'label', 55}])) ->
case (_cor0 -| [{'label', 55}]) of
(X -| [{'label', 56}]) when 'true' ->
call 'erlang':'get_module_info'('eep37',
(X -| [{'label', 56}]))
(_cor1 -| [{'label', 59}]) when 'true' ->
primop 'match_fail'({'function_clause',
(_cor1 -| [{'label', 59}])})
end
-| [{'label', 64}])
end
DICT:[{64,{[any],unit}},
{top,{[],none}},
{19,{[],unit}},
{54,{[],unit}},
{41,{[any],unit}},
{47,{[],unit}},
{13,{[],unit}}]
FunType 64:{ok,{[any],unit}}
Handling fun {eep37,module_info,1}: fun((_) -> no_return())
Entering 55 :: any()
Handling 'case'
Handling var
Looking up unknown variable: {c_var,
[{label,55},
0,
{file,
"/Users/nox/src/otp/lib/dialyzer/test/small_SUITE_data/src/eep37.erl"}],
cor0}
Entering 56 :: any()
Subst: storing 55 = 56
Binding pat: var to any()
Entering 56 :: any()
Binding pat: var to any()
Binding 55 to 56
Entering 56 :: any()
Handling pos guard: 'true'
Handling call
Handling literal
Handling literal
Handling literal
Handling var
Looking up unknown variable: {c_var,
[{label,56},
0,
{file,
"/Users/nox/src/otp/lib/dialyzer/test/small_SUITE_data/src/eep37.erl"}],
'X'}
--------------------------------------------------------
Fun: {erlang,get_module_info,2}
Args: <'eep37',_>
NewArgsSig: <'eep37',_>
NewArgsContract: <'eep37','attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'>
NewArgsBif: <'eep37',_>
NewArgTypes: <'eep37','attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'>
RetWithoutContr: any()
RetWithoutLocal: atom() | [{atom(),_} | {atom(),byte(),integer()}]
BifRet: any()
ContrRet: atom() | [{atom(),_} | {atom(),byte(),integer()}]
SigRet: any()
NewAccRet: atom() | [{atom(),_} | {atom(),byte(),integer()}]
Entering 56 :: 'attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'
Entering 55 :: 'attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'
Entering 55 :: 'attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'
Map:
55 :: any()
Done analyzing: {eep37,module_info,1}:fun((_) -> atom() | [{atom(),_} | {atom(),byte(),integer()}])
New Entry for {eep37,module_info,1}: fun((_) -> atom() | [{atom(),_} | {atom(),byte(),integer()}])
done adding stuff for {eep37,module_info,1}
FunType 19:{ok,{[],unit}}
Handling fun {eep37,self,0}: fun(() -> no_return())
Handling 'case'
Handling values
Binding pat: values to <>
Handling pos guard: 'true'
Handling letrec
Handling 'fun'
FunType 13:{ok,{[],unit}}
Entering 5 :: fun(() -> no_return())
Handling var
Looking up unknown variable: {c_var,[{label,5}],{'Self',0}}
Map:
Done analyzing: {eep37,self,0}:fun(() -> fun(() -> no_return()))
New Entry for {eep37,self,0}: fun(() -> fun(() -> none()))
{eep37,self,0}: Will try to add:[13]
done adding stuff for {eep37,self,0}
FunType 54:{ok,{[],unit}}
Handling fun {eep37,module_info,0}: fun(() -> no_return())
Handling 'case'
Handling values
Binding pat: values to <>
Handling pos guard: 'true'
Handling call
Handling literal
Handling literal
Handling literal
--------------------------------------------------------
Fun: {erlang,get_module_info,1}
Args: 'eep37'
NewArgsSig: 'eep37'
NewArgsContract: 'eep37'
NewArgsBif: 'eep37'
NewArgTypes: 'eep37'
RetWithoutContr: any()
RetWithoutLocal: [{atom(),[{atom(),_}]}]
BifRet: any()
ContrRet: [{atom(),[{atom(),_}]}]
SigRet: any()
NewAccRet: [{atom(),[{atom(),_}]}]
Map:
Done analyzing: {eep37,module_info,0}:fun(() -> [{atom(),[{atom(),_}]}])
New Entry for {eep37,module_info,0}: fun(() -> [{atom(),[any()]}])
done adding stuff for {eep37,module_info,0}
FunType 41:{ok,{[any],unit}}
Handling fun 41: fun((_) -> no_return())
Entering 22 :: any()
Handling 'let'
Subst: storing 23 = 21
Handling var
Looking up unknown variable: {c_var,[{label,21}],{'Fact',1}}
Done analyzing: 41:fun((_) -> none())
New Entry for 41: fun((_) -> none())
41: Will try to add:[41,{eep37,fact,0}]
done adding stuff for 41
FunType 47:{ok,{[],unit}}
Handling fun {eep37,fact,0}: fun(() -> no_return())
Handling 'case'
Handling values
Binding pat: values to <>
Handling pos guard: 'true'
Handling letrec
Handling 'fun'
FunType 41:{ok,{[any],none}}
Entering 21 :: fun((_) -> none())
Handling var
Looking up unknown variable: {c_var,[{label,21}],{'Fact',1}}
Map:
Done analyzing: {eep37,fact,0}:fun(() -> fun((_) -> none()))
New Entry for {eep37,fact,0}: fun(() -> fun((0) -> none()))
{eep37,fact,0}: Will try to add:[41]
done adding stuff for {eep37,fact,0}
FunType 13:{ok,{[],unit}}
Handling fun 13: fun(() -> no_return())
Handling 'let'
Subst: storing 6 = 5
Handling var
Looking up unknown variable: {c_var,[{label,5}],{'Self',0}}
Done analyzing: 13:fun(() -> none())
New Entry for 13: fun(() -> none())
13: Will try to add:[{eep37,self,0},13]
done adding stuff for 13
FunType 41:{ok,{[any],none}}
Handling fun 41: fun((_) -> none())
Entering 22 :: any()
Handling 'let'
Subst: storing 23 = 21
Handling var
Looking up unknown variable: {c_var,[{label,21}],{'Fact',1}}
Done analyzing: 41:fun((_) -> none())
Fixpoint for 41: fun((_) -> none())
done adding stuff for 41
FunType 19:{ok,{[],{c,function,[{c,product,[],unknown},none],unknown}}}
Handling fun {eep37,self,0}: fun(() -> fun(() -> none()))
Handling 'case'
Handling values
Binding pat: values to <>
Handling pos guard: 'true'
Handling letrec
Handling 'fun'
FunType 13:{ok,{[],none}}
Entering 5 :: fun(() -> none())
Handling var
Looking up unknown variable: {c_var,[{label,5}],{'Self',0}}
Map:
Done analyzing: {eep37,self,0}:fun(() -> fun(() -> none()))
Fixpoint for {eep37,self,0}: fun(() -> fun(() -> none()))
done adding stuff for {eep37,self,0}
FunType 13:{ok,{[],none}}
Handling fun 13: fun(() -> none())
Handling 'let'
Subst: storing 6 = 5
Handling var
Looking up unknown variable: {c_var,[{label,5}],{'Self',0}}
Done analyzing: 13:fun(() -> none())
Fixpoint for 13: fun(() -> none())
done adding stuff for 13
==========
Starting warning pass
==========
FunType top:{ok,{[],none}}
Handling fun top: fun(() -> none())
Handling module
Handling letrec
Handling 'fun'
FunType 19:{ok,{[],{c,function,[{c,product,[],unknown},none],unknown}}}
Entering 0 :: fun(() -> fun(() -> none()))
Handling 'fun'
FunType 47:{ok,{[],
{c,function,
[{c,product,[{c,number,{int_set,[0]},integer}],unknown},
none],
unknown}}}
Entering 1 :: fun(() -> fun((0) -> none()))
Handling 'fun'
FunType 54:{ok,{[],
{c,list,
[{c,tuple,
[{c,atom,any,unknown},
{c,list,[any,{c,nil,[],unknown}],unknown}],
{2,any}},
{c,nil,[],unknown}],
unknown}}}
Entering 2 :: fun(() -> [{atom(),[any()]}])
Handling 'fun'
FunType 64:{ok,{[any],
{c,union,
[{c,atom,any,unknown},
none,none,none,
{c,list,
[{c,tuple_set,
[{2,[{c,tuple,[{c,atom,any,unknown},any],{2,any}}]},
{3,
[{c,tuple,
[{c,atom,any,unknown},
{c,number,{int_rng,0,255},integer},
{c,number,any,integer}],
{3,any}}]}],
unknown},
{c,nil,[],unknown}],
unknown},
none,none,none,none,none],
unknown}}}
Entering 3 :: fun((_) -> atom() | [{atom(),_} | {atom(),byte(),integer()}])
Handling literal
FunType 19:{ok,{[],{c,function,[{c,product,[],unknown},none],unknown}}}
FunType 47:{ok,{[],
{c,function,
[{c,product,[{c,number,{int_set,[0]},integer}],unknown},
none],
unknown}}}
FunType 54:{ok,{[],
{c,list,
[{c,tuple,
[{c,atom,any,unknown},
{c,list,[any,{c,nil,[],unknown}],unknown}],
{2,any}},
{c,nil,[],unknown}],
unknown}}}
FunType 64:{ok,{[any],
{c,union,
[{c,atom,any,unknown},
none,none,none,
{c,list,
[{c,tuple_set,
[{2,[{c,tuple,[{c,atom,any,unknown},any],{2,any}}]},
{3,
[{c,tuple,
[{c,atom,any,unknown},
{c,number,{int_rng,0,255},integer},
{c,number,any,integer}],
{3,any}}]}],
unknown},
{c,nil,[],unknown}],
unknown},
none,none,none,none,none],
unknown}}}
Entering 0 :: fun(() -> fun(() -> none()))
Entering 1 :: fun(() -> fun((0) -> none()))
Entering 2 :: fun(() -> [{atom(),[any()]}])
Entering 3 :: fun((_) -> atom() | [{atom(),_} | {atom(),byte(),integer()}])
Done analyzing: top:fun(() -> any())
New Entry for top: fun(() -> any())
done adding stuff for top
FunType 64:{ok,{[any],
{c,union,
[{c,atom,any,unknown},
none,none,none,
{c,list,
[{c,tuple_set,
[{2,[{c,tuple,[{c,atom,any,unknown},any],{2,any}}]},
{3,
[{c,tuple,
[{c,atom,any,unknown},
{c,number,{int_rng,0,255},integer},
{c,number,any,integer}],
{3,any}}]}],
unknown},
{c,nil,[],unknown}],
unknown},
none,none,none,none,none],
unknown}}}
Handling fun {eep37,module_info,1}: fun((_) -> atom() | [{atom(),_} | {atom(),byte(),integer()}])
Entering 55 :: any()
Handling 'case'
Handling var
Looking up unknown variable: {c_var,
[{label,55},
0,
{file,
"/Users/nox/src/otp/lib/dialyzer/test/small_SUITE_data/src/eep37.erl"}],
cor0}
Entering 56 :: any()
Subst: storing 55 = 56
Binding pat: var to any()
Entering 56 :: any()
Binding pat: var to any()
Binding 55 to 56
Entering 56 :: any()
Handling pos guard: 'true'
Handling call
Handling literal
Handling literal
Handling literal
Handling var
Looking up unknown variable: {c_var,
[{label,56},
0,
{file,
"/Users/nox/src/otp/lib/dialyzer/test/small_SUITE_data/src/eep37.erl"}],
'X'}
--------------------------------------------------------
Fun: {erlang,get_module_info,2}
Args: <'eep37',_>
NewArgsSig: <'eep37',_>
NewArgsContract: <'eep37','attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'>
NewArgsBif: <'eep37',_>
NewArgTypes: <'eep37','attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'>
RetWithoutContr: any()
RetWithoutLocal: atom() | [{atom(),_} | {atom(),byte(),integer()}]
BifRet: any()
ContrRet: atom() | [{atom(),_} | {atom(),byte(),integer()}]
SigRet: any()
NewAccRet: atom() | [{atom(),_} | {atom(),byte(),integer()}]
Entering 56 :: 'attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'
Entering 55 :: 'attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'
Entering 55 :: 'attributes' | 'compile' | 'exports' | 'functions' | 'imports' | 'module' | 'native_addresses'
Map:
55 :: any()
Done analyzing: {eep37,module_info,1}:fun((_) -> atom() | [{atom(),_} | {atom(),byte(),integer()}])
Fixpoint for {eep37,module_info,1}: fun((_) -> atom() | [{atom(),_} | {atom(),byte(),integer()}])
done adding stuff for {eep37,module_info,1}
FunType 19:{ok,{[],{c,function,[{c,product,[],unknown},none],unknown}}}
Handling fun {eep37,self,0}: fun(() -> fun(() -> none()))
Handling 'case'
Handling values
Binding pat: values to <>
Handling pos guard: 'true'
Handling letrec
Handling 'fun'
FunType 13:{ok,{[],none}}
Entering 5 :: fun(() -> none())
Handling var
Looking up unknown variable: {c_var,[{label,5}],{'Self',0}}
Map:
Done analyzing: {eep37,self,0}:fun(() -> fun(() -> none()))
Fixpoint for {eep37,self,0}: fun(() -> fun(() -> none()))
done adding stuff for {eep37,self,0}
FunType 54:{ok,{[],
{c,list,
[{c,tuple,
[{c,atom,any,unknown},
{c,list,[any,{c,nil,[],unknown}],unknown}],
{2,any}},
{c,nil,[],unknown}],
unknown}}}
Handling fun {eep37,module_info,0}: fun(() -> [{atom(),[any()]}])
Handling 'case'
Handling values
Binding pat: values to <>
Handling pos guard: 'true'
Handling call
Handling literal
Handling literal
Handling literal
--------------------------------------------------------
Fun: {erlang,get_module_info,1}
Args: 'eep37'
NewArgsSig: 'eep37'
NewArgsContract: 'eep37'
NewArgsBif: 'eep37'
NewArgTypes: 'eep37'
RetWithoutContr: any()
RetWithoutLocal: [{atom(),[{atom(),_}]}]
BifRet: any()
ContrRet: [{atom(),[{atom(),_}]}]
SigRet: any()
NewAccRet: [{atom(),[{atom(),_}]}]
Map:
Done analyzing: {eep37,module_info,0}:fun(() -> [{atom(),[{atom(),_}]}])
Fixpoint for {eep37,module_info,0}: fun(() -> [{atom(),[any()]}])
done adding stuff for {eep37,module_info,0}
FunType 41:{ok,{[any],none}}
Handling fun 41: fun((_) -> none())
Entering 22 :: any()
Handling 'let'
Subst: storing 23 = 21
Handling var
Looking up unknown variable: {c_var,[{label,21}],{'Fact',1}}
Done analyzing: 41:fun((_) -> none())
Fixpoint for 41: fun((_) -> none())
done adding stuff for 41
FunType 47:{ok,{[],
{c,function,
[{c,product,[{c,number,{int_set,[0]},integer}],unknown},
none],
unknown}}}
Handling fun {eep37,fact,0}: fun(() -> fun((0) -> none()))
Handling 'case'
Handling values
Binding pat: values to <>
Handling pos guard: 'true'
Handling letrec
Handling 'fun'
FunType 41:{ok,{[any],none}}
Entering 21 :: fun((_) -> none())
Handling var
Looking up unknown variable: {c_var,[{label,21}],{'Fact',1}}
Map:
Done analyzing: {eep37,fact,0}:fun(() -> fun((_) -> none()))
Fixpoint for {eep37,fact,0}: fun(() -> fun((0) -> none()))
done adding stuff for {eep37,fact,0}
FunType 13:{ok,{[],none}}
Handling fun 13: fun(() -> none())
Handling 'let'
Subst: storing 6 = 5
Handling var
Looking up unknown variable: {c_var,[{label,5}],{'Self',0}}
Done analyzing: 13:fun(() -> none())
Fixpoint for 13: fun(() -> none())
done adding stuff for 13
eep37.erl:7: The created fun has no local return
eep37.erl:11: The created fun has no local return
done in 0m0.46s
done (warnings were emitted)
Regards,
--
Anthony Ramine
Le 27 oct. 2013 à 21:29, Anthony Ramine <n.oxyde@REDACTED> a écrit :
> I’ve added tests for named funs in every place you asked for except syntax_tools.
>
> The Dialyzer test doesn’t pass and I haven’t found a fix for it yet, Cc’ing Kostis.
>
> If I give "fact() -> fun Fact(N) when N > 0 -> N * Fact(N - 1); Fact(0) -> 1 end" to typer, the following spec is computed:
>
> -spec fact() -> fun((0) -> none()).
>
> Please refetch.
>
> --
> Anthony Ramine
>
> Le 23 oct. 2013 à 15:04, Björn Gustavsson <bgustavsson@REDACTED> a écrit :
>
>> The new test cases are insufficient for an extension of the language. Each
>> application that have updates should have test cases to ensure that new or
>> updated code is covered. The following applications should have test cases
>> for named funs: compiler, tools (xref and cover), stdlib (qlc, erl_eval, ms_transform),
>> dialyzer, debugger, and syntax_tools.
>>
>
More information about the eeps
mailing list