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Error message tweaks

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This commit is contained in:
Ulf Norell 2020-02-25 10:45:38 +01:00
parent fe2d93ea8a
commit 4a812b6f3b
2 changed files with 28 additions and 16 deletions
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30
src/aeso_ast_infer_types.erl
View File

@ -1372,7 +1372,7 @@ infer_expr(Env, {typed, As, Body, Type}) ->
Type1 = check_type(Env, Type), Type1 = check_type(Env, Type),
{typed, _, NewBody, NewType} = check_expr(Env, Body, Type1), {typed, _, NewBody, NewType} = check_expr(Env, Body, Type1),
{typed, As, NewBody, NewType}; {typed, As, NewBody, NewType};
infer_expr(Env, {app, Ann, Fun, Args0}) -> infer_expr(Env, {app, Ann, Fun, Args0} = App) ->
NamedArgs = [ Arg || Arg = {named_arg, _, _, _} <- Args0 ], NamedArgs = [ Arg || Arg = {named_arg, _, _, _} <- Args0 ],
Args = Args0 -- NamedArgs, Args = Args0 -- NamedArgs,
case aeso_syntax:get_ann(format, Ann) of case aeso_syntax:get_ann(format, Ann) of
@ -1396,7 +1396,7 @@ infer_expr(Env, {app, Ann, Fun, Args0}) ->
named_args = NamedArgs1, named_args = NamedArgs1,
general_type = GeneralResultType, general_type = GeneralResultType,
specialized_type = ResultType, specialized_type = ResultType,
context = When }]), context = {check_return, App} }]),
{typed, Ann, {app, Ann, NewFun, NamedArgs1 ++ NewArgs}, dereference(ResultType)} {typed, Ann, {app, Ann, NewFun, NamedArgs1 ++ NewArgs}, dereference(ResultType)}
end; end;
infer_expr(Env, {'if', Attrs, Cond, Then, Else}) -> infer_expr(Env, {'if', Attrs, Cond, Then, Else}) ->
@ -1777,7 +1777,7 @@ check_named_argument_constraint(Env,
named_args = NamedArgs, named_args = NamedArgs,
general_type = GenType, general_type = GenType,
specialized_type = SpecType, specialized_type = SpecType,
context = When }) -> context = {check_return, App} }) ->
NamedArgsT = dereference(NamedArgsT0), NamedArgsT = dereference(NamedArgsT0),
case dereference(NamedArgsT0) of case dereference(NamedArgsT0) of
[_ | _] = NamedArgsT -> [_ | _] = NamedArgsT ->
@ -1787,9 +1787,10 @@ check_named_argument_constraint(Env,
end, end,
ArgEnv = maps:from_list([ {Name, GetVal(Name, Default)} ArgEnv = maps:from_list([ {Name, GetVal(Name, Default)}
|| {named_arg_t, _, {id, _, Name}, _, Default} <- NamedArgsT ]), || {named_arg_t, _, {id, _, Name}, _, Default} <- NamedArgsT ]),
unify(Env, specialize_dependent_type(ArgEnv, GenType), SpecType, When), GenType1 = specialize_dependent_type(ArgEnv, GenType),
unify(Env, GenType1, SpecType, {check_expr, App, GenType1, SpecType}),
true; true;
_ -> unify(Env, GenType, SpecType, When), true _ -> unify(Env, GenType, SpecType, {check_expr, App, GenType, SpecType}), true
end. end.
specialize_dependent_type(Env, Type) -> specialize_dependent_type(Env, Type) ->
@ -2110,7 +2111,8 @@ unfold_record_types(Env, T) ->
unfold_types(Env, T, [unfold_record_types]). unfold_types(Env, T, [unfold_record_types]).
unfold_types(Env, {typed, Attr, E, Type}, Options) -> unfold_types(Env, {typed, Attr, E, Type}, Options) ->
{typed, Attr, unfold_types(Env, E, Options), unfold_types_in_type(Env, Type, Options)}; Options1 = [{ann, Attr} | lists:keydelete(ann, 1, Options)],
{typed, Attr, unfold_types(Env, E, Options), unfold_types_in_type(Env, Type, Options1)};
unfold_types(Env, {arg, Attr, Id, Type}, Options) -> unfold_types(Env, {arg, Attr, Id, Type}, Options) ->
{arg, Attr, Id, unfold_types_in_type(Env, Type, Options)}; {arg, Attr, Id, unfold_types_in_type(Env, Type, Options)};
unfold_types(Env, {type_sig, Ann, Constr, NamedArgs, Args, Ret}, Options) -> unfold_types(Env, {type_sig, Ann, Constr, NamedArgs, Args, Ret}, Options) ->
@ -2136,7 +2138,8 @@ unfold_types_in_type(Env, T) ->
unfold_types_in_type(Env, {app_t, Ann, Id = {id, _, "map"}, Args = [KeyType0, _]}, Options) -> unfold_types_in_type(Env, {app_t, Ann, Id = {id, _, "map"}, Args = [KeyType0, _]}, Options) ->
Args1 = [KeyType, _] = unfold_types_in_type(Env, Args, Options), Args1 = [KeyType, _] = unfold_types_in_type(Env, Args, Options),
[ type_error({map_in_map_key, KeyType0}) || has_maps(KeyType) ], Ann1 = proplists:get_value(ann, Options, aeso_syntax:get_ann(KeyType0)),
[ type_error({map_in_map_key, Ann1, KeyType0}) || has_maps(KeyType) ],
{app_t, Ann, Id, Args1}; {app_t, Ann, Id, Args1};
unfold_types_in_type(Env, {app_t, Ann, Id, Args}, Options) when ?is_type_id(Id) -> unfold_types_in_type(Env, {app_t, Ann, Id, Args}, Options) when ?is_type_id(Id) ->
UnfoldRecords = proplists:get_value(unfold_record_types, Options, false), UnfoldRecords = proplists:get_value(unfold_record_types, Options, false),
@ -2210,8 +2213,13 @@ subst_tvars1(_Env, X) ->
unify(_, {id, _, "_"}, _, _When) -> true; unify(_, {id, _, "_"}, _, _When) -> true;
unify(_, _, {id, _, "_"}, _When) -> true; unify(_, _, {id, _, "_"}, _When) -> true;
unify(Env, A, B, When) -> unify(Env, A, B, When) ->
A1 = dereference(unfold_types_in_type(Env, A)), Options =
B1 = dereference(unfold_types_in_type(Env, B)), case When of %% Improve source location for map_in_map_key errors
{check_expr, E, _, _} -> [{ann, aeso_syntax:get_ann(E)}];
_ -> []
end,
A1 = dereference(unfold_types_in_type(Env, A, Options)),
B1 = dereference(unfold_types_in_type(Env, B, Options)),
unify1(Env, A1, B1, When). unify1(Env, A1, B1, When).
unify1(_Env, {uvar, _, R}, {uvar, _, R}, _When) -> unify1(_Env, {uvar, _, R}, {uvar, _, R}, _When) ->
@ -2650,10 +2658,10 @@ mk_error({new_tuple_syntax, Ann, Ts}) ->
Msg = io_lib:format("Invalid type\n~s (at ~s)\nThe syntax of tuple types changed in Sophia version 4.0. Did you mean\n~s\n", Msg = io_lib:format("Invalid type\n~s (at ~s)\nThe syntax of tuple types changed in Sophia version 4.0. Did you mean\n~s\n",
[pp_type(" ", {args_t, Ann, Ts}), pp_loc(Ann), pp_type(" ", {tuple_t, Ann, Ts})]), [pp_type(" ", {args_t, Ann, Ts}), pp_loc(Ann), pp_type(" ", {tuple_t, Ann, Ts})]),
mk_t_err(pos(Ann), Msg); mk_t_err(pos(Ann), Msg);
mk_error({map_in_map_key, KeyType}) -> mk_error({map_in_map_key, Ann, KeyType}) ->
Msg = io_lib:format("Invalid key type\n~s\n", [pp_type(" ", KeyType)]), Msg = io_lib:format("Invalid key type\n~s\n", [pp_type(" ", KeyType)]),
Cxt = "Map keys cannot contain other maps.\n", Cxt = "Map keys cannot contain other maps.\n",
mk_t_err(pos(KeyType), Msg, Cxt); mk_t_err(pos(Ann), Msg, Cxt);
mk_error({cannot_call_init_function, Ann}) -> mk_error({cannot_call_init_function, Ann}) ->
Msg = "The 'init' function is called exclusively by the create contract transaction\n" Msg = "The 'init' function is called exclusively by the create contract transaction\n"
"and cannot be called from the contract code.\n", "and cannot be called from the contract code.\n",

14
test/aeso_compiler_tests.erl
View File

@ -376,10 +376,10 @@ failing_contracts() ->
[<<?Pos(12, 42) [<<?Pos(12, 42)
"Cannot unify int\n" "Cannot unify int\n"
" and string\n" " and string\n"
"when checking the record projection at line 12, column 42\n" "when checking the type of the expression at line 12, column 42\n"
" r.foo : (gas : int, value : int) => Remote.themap\n" " r.foo() : map(int, string)\n"
"against the expected type\n" "against the expected type\n"
" (gas : int, value : int) => map(string, int)">>]) " map(string, int)">>])
, ?TYPE_ERROR(bad_include_and_ns, , ?TYPE_ERROR(bad_include_and_ns,
[<<?Pos(2, 11) [<<?Pos(2, 11)
"Include of 'included.aes' at line 2, column 11\nnot allowed, include only allowed at top level.">>, "Include of 'included.aes' at line 2, column 11\nnot allowed, include only allowed at top level.">>,
@ -540,11 +540,15 @@ failing_contracts() ->
"Cannot unify int\n and string\nwhen checking the type of the pattern at line 2, column 53\n x : int\nagainst the expected type\n string">> "Cannot unify int\n and string\nwhen checking the type of the pattern at line 2, column 53\n x : int\nagainst the expected type\n string">>
]) ])
, ?TYPE_ERROR(map_as_map_key, , ?TYPE_ERROR(map_as_map_key,
[<<?Pos(5, 25) [<<?Pos(5, 47)
"Invalid key type\n" "Invalid key type\n"
" map(int, int)\n" " map(int, int)\n"
"Map keys cannot contain other maps.">>, "Map keys cannot contain other maps.">>,
<<?Pos(6, 25) <<?Pos(6, 31)
"Invalid key type\n"
" list(map(int, int))\n"
"Map keys cannot contain other maps.">>,
<<?Pos(6, 31)
"Invalid key type\n" "Invalid key type\n"
" lm\n" " lm\n"
"Map keys cannot contain other maps.">>]) "Map keys cannot contain other maps.">>])