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authorHans Bolinder <hasse@erlang.org>2014-02-03 10:27:39 +0100
committerHans Bolinder <hasse@erlang.org>2014-02-22 19:05:47 +0100
commit85a5aca047ea4c3dcdeb1e47cdf523a48140bf18 (patch)
tree48792bcd4ed41c9e8a974c1dc42f425dc8c0a970 /lib/dialyzer/src/dialyzer_contracts.erl
parentf58b946a2d1c1b9c8fa9701932ca2ee21bd7dd5b (diff)
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Introduce parameterized opaque types
Handle immediate opaque types as aliases: A declaration of dict/0 -opaque dict() :: dict(_, _). -opaque dict(Key, Value) :: ... is handled as an alias, that is, when using dict() it is immediately replaced by dict(_, _). This is a means to avoid having to handle equivalent opaque types later. To be changed if it doesn't work well.
Diffstat (limited to 'lib/dialyzer/src/dialyzer_contracts.erl')
-rw-r--r--lib/dialyzer/src/dialyzer_contracts.erl6
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl
index 3467ab4e65..5b2c52b2d0 100644
--- a/lib/dialyzer/src/dialyzer_contracts.erl
+++ b/lib/dialyzer/src/dialyzer_contracts.erl
@@ -404,7 +404,8 @@ contract_from_form([{type, _, 'fun', [_, _]} = Form | Left], RecDict,
throw({error, NewMsg})
end,
NewType = erl_types:t_solve_remote(Type, ExpTypes, AllRecords),
- {NewType, []}
+ NewTypeNoVars = erl_types:subst_all_vars_to_any(NewType),
+ {NewTypeNoVars, []}
end,
NewTypeAcc = [TypeFun | TypeAcc],
NewFormAcc = [{Form, []} | FormAcc],
@@ -418,7 +419,8 @@ contract_from_form([{type, _L1, bounded_fun,
process_constraints(Constr, RecDict, ExpTypes, AllRecords),
Type = erl_types:t_from_form(Form, RecDict, VarDict),
NewType = erl_types:t_solve_remote(Type, ExpTypes, AllRecords),
- {NewType, Constr1}
+ NewTypeNoVars = erl_types:subst_all_vars_to_any(NewType),
+ {NewTypeNoVars, Constr1}
end,
NewTypeAcc = [TypeFun | TypeAcc],
NewFormAcc = [{Form, Constr} | FormAcc],