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Merge pull request #362 from aeternity/ghallak/354

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Simplify error messages reported by the compiler
This commit is contained in:
Hans Svensson 2022-01-05 11:22:22 +01:00 committed by Gaith Hallak
commit c04f66a00a
6 changed files with 485 additions and 567 deletions
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402
src/aeso_ast_infer_types.erl
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@ -378,7 +378,7 @@ lookup_env(Env, Kind, Ann, Name) ->
when_warning(warn_unused_includes, fun() -> used_include(AnnR) end),
Res;
Many ->
type_error({ambiguous_name, [{qid, A, Q} || {Q, {A, _}} <- Many]}),
type_error({ambiguous_name, qid(Ann, Name), [{qid, A, Q} || {Q, {A, _}} <- Many]}),
false
end
end.
@ -2936,35 +2936,35 @@ mk_t_err_from_warn(Warn) ->
mk_error({no_decls, File}) ->
Pos = aeso_errors:pos(File, 0, 0),
mk_t_err(Pos, "Empty contract\n");
mk_t_err(Pos, "Empty contract");
mk_error({mismatched_decl_in_funblock, Name, Decl}) ->
Msg = io_lib:format("Mismatch in the function block. Expected implementation/type declaration of ~s function\n", [Name]),
Msg = io_lib:format("Mismatch in the function block. Expected implementation/type declaration of ~s function", [Name]),
mk_t_err(pos(Decl), Msg);
mk_error({higher_kinded_typevar, T}) ->
Msg = io_lib:format("Type ~s is a higher kinded type variable\n"
"(takes another type as an argument)\n", [pp(instantiate(T))]
Msg = io_lib:format("Type `~s` is a higher kinded type variable "
"(takes another type as an argument)", [pp(instantiate(T))]
),
mk_t_err(pos(T), Msg);
mk_error({wrong_type_arguments, X, ArityGiven, ArityReal}) ->
Msg = io_lib:format("Arity for ~s doesn't match. Expected ~p, got ~p\n"
Msg = io_lib:format("Arity for ~s doesn't match. Expected ~p, got ~p"
, [pp(instantiate(X)), ArityReal, ArityGiven]
),
mk_t_err(pos(X), Msg);
mk_error({unnamed_map_update_with_default, Upd}) ->
Msg = "Invalid map update with default\n",
Msg = "Invalid map update with default",
mk_t_err(pos(Upd), Msg);
mk_error({fundecl_must_have_funtype, _Ann, Id, Type}) ->
Msg = io_lib:format("~s at ~s was declared with an invalid type ~s.\n"
Msg = io_lib:format("`~s` was declared with an invalid type `~s`. "
"Entrypoints and functions must have functional types"
, [pp(Id), pp_loc(Id), pp(instantiate(Type))]),
, [pp(Id), pp(instantiate(Type))]),
mk_t_err(pos(Id), Msg);
mk_error({cannot_unify, A, B, When}) ->
Msg = io_lib:format("Cannot unify ~s\n and ~s\n",
Msg = io_lib:format("Cannot unify `~s` and `~s`",
[pp(instantiate(A)), pp(instantiate(B))]),
{Pos, Ctxt} = pp_when(When),
mk_t_err(Pos, Msg, Ctxt);
mk_error({unbound_variable, Id}) ->
Msg = io_lib:format("Unbound variable ~s at ~s\n", [pp(Id), pp_loc(Id)]),
Msg = io_lib:format("Unbound variable `~s`", [pp(Id)]),
case Id of
{qid, _, ["Chain", "event"]} ->
Cxt = "Did you forget to define the event type?",
@ -2972,224 +2972,222 @@ mk_error({unbound_variable, Id}) ->
_ -> mk_t_err(pos(Id), Msg)
end;
mk_error({undefined_field, Id}) ->
Msg = io_lib:format("Unbound field ~s at ~s\n", [pp(Id), pp_loc(Id)]),
Msg = io_lib:format("Unbound field ~s", [pp(Id)]),
mk_t_err(pos(Id), Msg);
mk_error({not_a_record_type, Type, Why}) ->
Msg = io_lib:format("~s\n", [pp_type("Not a record type: ", Type)]),
Msg = io_lib:format("Not a record type: `~s`", [pp_type(Type)]),
{Pos, Ctxt} = pp_why_record(Why),
mk_t_err(Pos, Msg, Ctxt);
mk_error({not_a_contract_type, Type, Cxt}) ->
Msg =
case Type of
{tvar, _, _} ->
"Unresolved contract type\n";
"Unresolved contract type";
_ ->
io_lib:format("The type ~s is not a contract type\n", [pp_type("", Type)])
io_lib:format("The type `~s` is not a contract type", [pp_type(Type)])
end,
{Pos, Cxt1} =
case Cxt of
{var_args, Ann, Fun} ->
{pos(Ann),
io_lib:format("when calling variadic function\n~s\n", [pp_expr(" ", Fun)])};
io_lib:format("when calling variadic function `~s`", [pp_expr(Fun)])};
{contract_literal, Lit} ->
{pos(Lit),
io_lib:format("when checking that the contract literal\n~s\n"
"has the type\n~s\n",
[pp_expr(" ", Lit), pp_type(" ", Type)])};
io_lib:format("when checking that the contract literal `~s` has the type `~s`",
[pp_expr(Lit), pp_type(Type)])};
{address_to_contract, Ann} ->
{pos(Ann),
io_lib:format("when checking that the call to\n Address.to_contract\n"
"has the type\n~s\n",
[pp_type(" ", Type)])}
io_lib:format("when checking that the call to `Address.to_contract` has the type `~s`",
[pp_type(Type)])}
end,
mk_t_err(Pos, Msg, Cxt1);
mk_error({non_linear_pattern, Pattern, Nonlinear}) ->
Msg = io_lib:format("Repeated name~s ~s in pattern\n~s (at ~s)\n",
[plural("", "s", Nonlinear), string:join(Nonlinear, ", "),
pp_expr(" ", Pattern), pp_loc(Pattern)]),
Msg = io_lib:format("Repeated name~s ~s in the pattern `~s`",
[plural("", "s", Nonlinear),
string:join(lists:map(fun(F) -> "`" ++ F ++ "`" end, Nonlinear), ", "),
pp_expr(Pattern)]),
mk_t_err(pos(Pattern), Msg);
mk_error({ambiguous_record, Fields = [{_, First} | _], Candidates}) ->
Msg = io_lib:format("Ambiguous record type with field~s ~s (at ~s) could be one of\n~s",
[plural("", "s", Fields), string:join([ pp(F) || {_, F} <- Fields ], ", "),
pp_loc(First), [ [" - ", pp(C), " (at ", pp_loc(C), ")\n"] || C <- Candidates ]]),
Msg = io_lib:format("Ambiguous record type with field~s ~s could be one of~s",
[plural("", "s", Fields),
string:join([ "`" ++ pp(F) ++ "`" || {_, F} <- Fields ], ", "),
[ ["\n - ", "`" ++ pp(C) ++ "`", " (at ", pp_loc(C), ")"] || C <- Candidates ]]),
mk_t_err(pos(First), Msg);
mk_error({missing_field, Field, Rec}) ->
Msg = io_lib:format("Record type ~s does not have field ~s (at ~s)\n",
[pp(Rec), pp(Field), pp_loc(Field)]),
Msg = io_lib:format("Record type `~s` does not have field `~s`",
[pp(Rec), pp(Field)]),
mk_t_err(pos(Field), Msg);
mk_error({missing_fields, Ann, RecType, Fields}) ->
Msg = io_lib:format("The field~s ~s ~s missing when constructing an element of type ~s (at ~s)\n",
[plural("", "s", Fields), string:join(Fields, ", "),
plural("is", "are", Fields), pp(RecType), pp_loc(Ann)]),
Msg = io_lib:format("The field~s ~s ~s missing when constructing an element of type `~s`",
[plural("", "s", Fields),
string:join(lists:map(fun(F) -> "`" ++ F ++ "`" end, Fields), ", "),
plural("is", "are", Fields), pp(RecType)]),
mk_t_err(pos(Ann), Msg);
mk_error({no_records_with_all_fields, Fields = [{_, First} | _]}) ->
Msg = io_lib:format("No record type with field~s ~s (at ~s)\n",
[plural("", "s", Fields), string:join([ pp(F) || {_, F} <- Fields ], ", "),
pp_loc(First)]),
Msg = io_lib:format("No record type with field~s ~s",
[plural("", "s", Fields),
string:join([ "`" ++ pp(F) ++ "`" || {_, F} <- Fields ], ", ")]),
mk_t_err(pos(First), Msg);
mk_error({recursive_types_not_implemented, Types}) ->
S = plural(" is", "s are mutually", Types),
Msg = io_lib:format("The following type~s recursive, which is not yet supported:\n~s",
[S, [io_lib:format(" - ~s (at ~s)\n", [pp(T), pp_loc(T)]) || T <- Types]]),
Msg = io_lib:format("The following type~s recursive, which is not yet supported:~s",
[S, [io_lib:format("\n - `~s` (at ~s)", [pp(T), pp_loc(T)]) || T <- Types]]),
mk_t_err(pos(hd(Types)), Msg);
mk_error({event_must_be_variant_type, Where}) ->
Msg = io_lib:format("The event type must be a variant type (at ~s)\n", [pp_loc(Where)]),
Msg = io_lib:format("The event type must be a variant type", []),
mk_t_err(pos(Where), Msg);
mk_error({indexed_type_must_be_word, Type, Type}) ->
Msg = io_lib:format("The indexed type ~s (at ~s) is not a word type\n",
[pp_type("", Type), pp_loc(Type)]),
Msg = io_lib:format("The indexed type `~s` is not a word type",
[pp_type(Type)]),
mk_t_err(pos(Type), Msg);
mk_error({indexed_type_must_be_word, Type, Type1}) ->
Msg = io_lib:format("The indexed type ~s (at ~s) equals ~s which is not a word type\n",
[pp_type("", Type), pp_loc(Type), pp_type("", Type1)]),
Msg = io_lib:format("The indexed type `~s` equals `~s` which is not a word type",
[pp_type(Type), pp_type(Type1)]),
mk_t_err(pos(Type), Msg);
mk_error({event_0_to_3_indexed_values, Constr}) ->
Msg = io_lib:format("The event constructor ~s (at ~s) has too many indexed values (max 3)\n",
[name(Constr), pp_loc(Constr)]),
Msg = io_lib:format("The event constructor `~s` has too many indexed values (max 3)",
[name(Constr)]),
mk_t_err(pos(Constr), Msg);
mk_error({event_0_to_1_string_values, Constr}) ->
Msg = io_lib:format("The event constructor ~s (at ~s) has too many non-indexed values (max 1)\n",
[name(Constr), pp_loc(Constr)]),
Msg = io_lib:format("The event constructor `~s` has too many non-indexed values (max 1)",
[name(Constr)]),
mk_t_err(pos(Constr), Msg);
mk_error({repeated_constructor, Cs}) ->
Msg = io_lib:format("Variant types must have distinct constructor names\n~s",
[[ io_lib:format("~s (at ~s)\n", [pp_typed(" - ", C, T), pp_loc(C)]) || {C, T} <- Cs ]]),
Msg = io_lib:format("Variant types must have distinct constructor names~s",
[[ io_lib:format("\n`~s` (at ~s)", [pp_typed(" - ", C, T), pp_loc(C)]) || {C, T} <- Cs ]]),
mk_t_err(pos(element(1, hd(Cs))), Msg);
mk_error({bad_named_argument, [], Name}) ->
Msg = io_lib:format("Named argument ~s (at ~s) supplied to function expecting no named arguments.\n",
[pp(Name), pp_loc(Name)]),
Msg = io_lib:format("Named argument ~s supplied to function expecting no named arguments.",
[pp(Name)]),
mk_t_err(pos(Name), Msg);
mk_error({bad_named_argument, Args, Name}) ->
Msg = io_lib:format("Named argument ~s (at ~s) is not one of the expected named arguments\n~s",
[pp(Name), pp_loc(Name),
[ io_lib:format("~s\n", [pp_typed(" - ", Arg, Type)])
Msg = io_lib:format("Named argument `~s` is not one of the expected named arguments~s",
[pp(Name),
[ io_lib:format("\n - `~s`", [pp_typed("", Arg, Type)])
|| {named_arg_t, _, Arg, Type, _} <- Args ]]),
mk_t_err(pos(Name), Msg);
mk_error({unsolved_named_argument_constraint, #named_argument_constraint{name = Name, type = Type}}) ->
Msg = io_lib:format("Named argument ~s (at ~s) supplied to function with unknown named arguments.\n",
[pp_typed("", Name, Type), pp_loc(Name)]),
Msg = io_lib:format("Named argument ~s supplied to function with unknown named arguments.",
[pp_typed("", Name, Type)]),
mk_t_err(pos(Name), Msg);
mk_error({reserved_entrypoint, Name, Def}) ->
Msg = io_lib:format("The name '~s' is reserved and cannot be used for a\n"
"top-level contract function (at ~s).\n", [Name, pp_loc(Def)]),
Msg = io_lib:format("The name '~s' is reserved and cannot be used for a "
"top-level contract function.", [Name]),
mk_t_err(pos(Def), Msg);
mk_error({duplicate_definition, Name, Locs}) ->
Msg = io_lib:format("Duplicate definitions of ~s at\n~s",
[Name, [ [" - ", pp_loc(L), "\n"] || L <- Locs ]]),
Msg = io_lib:format("Duplicate definitions of `~s` at~s",
[Name, [ ["\n - ", pp_loc(L)] || L <- Locs ]]),
mk_t_err(pos(lists:last(Locs)), Msg);
mk_error({duplicate_scope, Kind, Name, OtherKind, L}) ->
Msg = io_lib:format("The ~p ~s (at ~s) has the same name as a ~p at ~s\n",
[Kind, pp(Name), pp_loc(Name), OtherKind, pp_loc(L)]),
Msg = io_lib:format("The ~p `~s` has the same name as a ~p at ~s",
[Kind, pp(Name), OtherKind, pp_loc(L)]),
mk_t_err(pos(Name), Msg);
mk_error({include, _, {string, Pos, Name}}) ->
Msg = io_lib:format("Include of '~s' at ~s\nnot allowed, include only allowed at top level.\n",
[binary_to_list(Name), pp_loc(Pos)]),
Msg = io_lib:format("Include of `~s` is not allowed, include only allowed at top level.",
[binary_to_list(Name)]),
mk_t_err(pos(Pos), Msg);
mk_error({namespace, _Pos, {con, Pos, Name}, _Def}) ->
Msg = io_lib:format("Nested namespaces are not allowed\nNamespace '~s' at ~s not defined at top level.\n",
[Name, pp_loc(Pos)]),
Msg = io_lib:format("Nested namespaces are not allowed. Namespace `~s` is not defined at top level.",
[Name]),
mk_t_err(pos(Pos), Msg);
mk_error({Contract, _Pos, {con, Pos, Name}, _Def}) when ?IS_CONTRACT_HEAD(Contract) ->
Msg = io_lib:format("Nested contracts are not allowed\nContract '~s' at ~s not defined at top level.\n",
[Name, pp_loc(Pos)]),
Msg = io_lib:format("Nested contracts are not allowed. Contract `~s` is not defined at top level.",
[Name]),
mk_t_err(pos(Pos), Msg);
mk_error({type_decl, _, {id, Pos, Name}, _}) ->
Msg = io_lib:format("Empty type declarations are not supported\nType ~s at ~s lacks a definition\n",
[Name, pp_loc(Pos)]),
Msg = io_lib:format("Empty type declarations are not supported. Type `~s` lacks a definition",
[Name]),
mk_t_err(pos(Pos), Msg);
mk_error({letval, _Pos, {id, Pos, Name}, _Def}) ->
Msg = io_lib:format("Toplevel \"let\" definitions are not supported\nValue ~s at ~s could be replaced by 0-argument function\n",
[Name, pp_loc(Pos)]),
Msg = io_lib:format("Toplevel \"let\" definitions are not supported. Value `~s` could be replaced by 0-argument function.",
[Name]),
mk_t_err(pos(Pos), Msg);
mk_error({stateful_not_allowed, Id, Fun}) ->
Msg = io_lib:format("Cannot reference stateful function ~s (at ~s)\nin the definition of non-stateful function ~s.\n",
[pp(Id), pp_loc(Id), pp(Fun)]),
Msg = io_lib:format("Cannot reference stateful function `~s` in the definition of non-stateful function `~s`.",
[pp(Id), pp(Fun)]),
mk_t_err(pos(Id), Msg);
mk_error({stateful_not_allowed_in_guards, Id}) ->
Msg = io_lib:format("Cannot reference stateful function ~s (at ~s) in a pattern guard.\n",
[pp(Id), pp_loc(Id)]),
Msg = io_lib:format("Cannot reference stateful function `~s` in a pattern guard.",
[pp(Id)]),
mk_t_err(pos(Id), Msg);
mk_error({value_arg_not_allowed, Value, Fun}) ->
Msg = io_lib:format("Cannot pass non-zero value argument ~s (at ~s)\nin the definition of non-stateful function ~s.\n",
[pp_expr("", Value), pp_loc(Value), pp(Fun)]),
Msg = io_lib:format("Cannot pass non-zero value argument `~s` in the definition of non-stateful function `~s`.",
[pp_expr(Value), pp(Fun)]),
mk_t_err(pos(Value), Msg);
mk_error({init_depends_on_state, Which, [_Init | Chain]}) ->
WhichCalls = fun("put") -> ""; ("state") -> ""; (_) -> ", which calls" end,
Msg = io_lib:format("The init function should return the initial state as its result and cannot ~s the state,\nbut it calls\n~s",
Msg = io_lib:format("The `init` function should return the initial state as its result and cannot ~s the state, but it calls~s",
[if Which == put -> "write"; true -> "read" end,
[ io_lib:format(" - ~s (at ~s)~s\n", [Fun, pp_loc(Ann), WhichCalls(Fun)])
[ io_lib:format("\n - `~s` (at ~s)~s", [Fun, pp_loc(Ann), WhichCalls(Fun)])
|| {[_, Fun], Ann} <- Chain]]),
mk_t_err(pos(element(2, hd(Chain))), Msg);
mk_error({missing_body_for_let, Ann}) ->
Msg = io_lib:format("Let binding at ~s must be followed by an expression\n", [pp_loc(Ann)]),
Msg = io_lib:format("Let binding must be followed by an expression.", []),
mk_t_err(pos(Ann), Msg);
mk_error({public_modifier_in_contract, Decl}) ->
Decl1 = mk_entrypoint(Decl),
Msg = io_lib:format("Use 'entrypoint' instead of 'function' for public function ~s (at ~s):\n~s\n",
[pp_expr("", element(3, Decl)), pp_loc(Decl),
prettypr:format(prettypr:nest(2, aeso_pretty:decl(Decl1)))]),
Msg = io_lib:format("Use `entrypoint` instead of `function` for public function `~s`: `~s`",
[pp_expr(element(3, Decl)),
prettypr:format(aeso_pretty:decl(Decl1))]),
mk_t_err(pos(Decl), Msg);
mk_error({init_must_be_an_entrypoint, Decl}) ->
Decl1 = mk_entrypoint(Decl),
Msg = io_lib:format("The init function (at ~s) must be an entrypoint:\n~s\n",
[pp_loc(Decl),
prettypr:format(prettypr:nest(2, aeso_pretty:decl(Decl1)))]),
Msg = io_lib:format("The init function must be an entrypoint: ~s",
[prettypr:format(prettypr:nest(2, aeso_pretty:decl(Decl1)))]),
mk_t_err(pos(Decl), Msg);
mk_error({init_must_not_be_payable, Decl}) ->
Msg = io_lib:format("The init function (at ~s) cannot be payable.\n"
"You don't need the 'payable' annotation to be able to attach\n"
Msg = io_lib:format("The init function cannot be payable. "
"You don't need the 'payable' annotation to be able to attach "
"funds to the create contract transaction.",
[pp_loc(Decl)]),
[]),
mk_t_err(pos(Decl), Msg);
mk_error({proto_must_be_entrypoint, Decl}) ->
Decl1 = mk_entrypoint(Decl),
Msg = io_lib:format("Use 'entrypoint' for declaration of ~s (at ~s):\n~s\n",
[pp_expr("", element(3, Decl)), pp_loc(Decl),
prettypr:format(prettypr:nest(2, aeso_pretty:decl(Decl1)))]),
Msg = io_lib:format("Use `entrypoint` for declaration of `~s`: `~s`",
[pp_expr(element(3, Decl)),
prettypr:format(aeso_pretty:decl(Decl1))]),
mk_t_err(pos(Decl), Msg);
mk_error({proto_in_namespace, Decl}) ->
Msg = io_lib:format("Namespaces cannot contain function prototypes (at ~s).\n",
[pp_loc(Decl)]),
Msg = io_lib:format("Namespaces cannot contain function prototypes.", []),
mk_t_err(pos(Decl), Msg);
mk_error({entrypoint_in_namespace, Decl}) ->
Msg = io_lib:format("Namespaces cannot contain entrypoints (at ~s). Use 'function' instead.\n",
[pp_loc(Decl)]),
Msg = io_lib:format("Namespaces cannot contain entrypoints. Use `function` instead.", []),
mk_t_err(pos(Decl), Msg);
mk_error({private_entrypoint, Decl}) ->
Msg = io_lib:format("The entrypoint ~s (at ~s) cannot be private. Use 'function' instead.\n",
[pp_expr("", element(3, Decl)), pp_loc(Decl)]),
Msg = io_lib:format("The entrypoint `~s` cannot be private. Use `function` instead.",
[pp_expr(element(3, Decl))]),
mk_t_err(pos(Decl), Msg);
mk_error({private_and_public, Decl}) ->
Msg = io_lib:format("The function ~s (at ~s) cannot be both public and private.\n",
[pp_expr("", element(3, Decl)), pp_loc(Decl)]),
Msg = io_lib:format("The function `~s` cannot be both public and private.",
[pp_expr(element(3, Decl))]),
mk_t_err(pos(Decl), Msg);
mk_error({contract_has_no_entrypoints, Con}) ->
Msg = io_lib:format("The contract ~s (at ~s) has no entrypoints. Since Sophia version 3.2, public\n"
"contract functions must be declared with the 'entrypoint' keyword instead of\n"
"'function'.\n", [pp_expr("", Con), pp_loc(Con)]),
Msg = io_lib:format("The contract `~s` has no entrypoints. Since Sophia version 3.2, public "
"contract functions must be declared with the `entrypoint` keyword instead of "
"`function`.", [pp_expr(Con)]),
mk_t_err(pos(Con), Msg);
mk_error({definition_in_contract_interface, Ann, {id, _, Id}}) ->
Msg = "Contract interfaces cannot contain defined functions or entrypoints.\n",
Cxt = io_lib:format("Fix: replace the definition of '~s' by a type signature.\n", [Id]),
Msg = "Contract interfaces cannot contain defined functions or entrypoints.",
Cxt = io_lib:format("Fix: replace the definition of `~s` by a type signature.", [Id]),
mk_t_err(pos(Ann), Msg, Cxt);
mk_error({unbound_type, Type}) ->
Msg = io_lib:format("Unbound type ~s (at ~s).\n", [pp_type("", Type), pp_loc(Type)]),
Msg = io_lib:format("Unbound type ~s.", [pp_type(Type)]),
mk_t_err(pos(Type), Msg);
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",
[pp_type(" ", {args_t, Ann, Ts}), pp_loc(Ann), pp_type(" ", {tuple_t, Ann, Ts})]),
Msg = io_lib:format("Invalid type `~s`. The syntax of tuple types changed in Sophia version 4.0. Did you mean `~s`",
[pp_type({args_t, Ann, Ts}), pp_type({tuple_t, Ann, Ts})]),
mk_t_err(pos(Ann), Msg);
mk_error({map_in_map_key, Ann, KeyType}) ->
Msg = io_lib:format("Invalid key type\n~s\n", [pp_type(" ", KeyType)]),
Cxt = "Map keys cannot contain other maps.\n",
Msg = io_lib:format("Invalid key type `~s`", [pp_type(KeyType)]),
Cxt = "Map keys cannot contain other maps.",
mk_t_err(pos(Ann), Msg, Cxt);
mk_error({cannot_call_init_function, Ann}) ->
Msg = "The 'init' function is called exclusively by the create contract transaction\n"
"and cannot be called from the contract code.\n",
Msg = "The 'init' function is called exclusively by the create contract transaction "
"and cannot be called from the contract code.",
mk_t_err(pos(Ann), Msg);
mk_error({contract_treated_as_namespace, Ann, [Con, Fun] = QName}) ->
Msg = io_lib:format("Invalid call to contract entrypoint '~s'.\n", [string:join(QName, ".")]),
Cxt = io_lib:format("It must be called as 'c.~s' for some c : ~s.\n", [Fun, Con]),
Msg = io_lib:format("Invalid call to contract entrypoint `~s`.", [string:join(QName, ".")]),
Cxt = io_lib:format("It must be called as `c.~s` for some `c : ~s`.", [Fun, Con]),
mk_t_err(pos(Ann), Msg, Cxt);
mk_error({bad_top_level_decl, Decl}) ->
What = case element(1, Decl) of
@ -3197,74 +3195,75 @@ mk_error({bad_top_level_decl, Decl}) ->
_ -> "contract or namespace"
end,
Id = element(3, Decl),
Msg = io_lib:format("The definition of '~s' must appear inside a ~s.\n",
[pp_expr("", Id), What]),
Msg = io_lib:format("The definition of '~s' must appear inside a ~s.",
[pp_expr(Id), What]),
mk_t_err(pos(Decl), Msg);
mk_error({unknown_byte_length, Type}) ->
Msg = io_lib:format("Cannot resolve length of byte array.\n", []),
Msg = io_lib:format("Cannot resolve length of byte array.", []),
mk_t_err(pos(Type), Msg);
mk_error({unsolved_bytes_constraint, Ann, concat, A, B, C}) ->
Msg = io_lib:format("Failed to resolve byte array lengths in call to Bytes.concat with arguments of type\n"
"~s (at ~s)\n~s (at ~s)\nand result type\n~s (at ~s)\n",
"~s (at ~s)\n~s (at ~s)\nand result type\n~s (at ~s)",
[pp_type(" - ", A), pp_loc(A), pp_type(" - ", B),
pp_loc(B), pp_type(" - ", C), pp_loc(C)]),
mk_t_err(pos(Ann), Msg);
mk_error({unsolved_bytes_constraint, Ann, split, A, B, C}) ->
Msg = io_lib:format("Failed to resolve byte array lengths in call to Bytes.split with argument of type\n"
"~s (at ~s)\nand result types\n~s (at ~s)\n~s (at ~s)\n",
"~s (at ~s)\nand result types\n~s (at ~s)\n~s (at ~s)",
[ pp_type(" - ", C), pp_loc(C), pp_type(" - ", A), pp_loc(A),
pp_type(" - ", B), pp_loc(B)]),
mk_t_err(pos(Ann), Msg);
mk_error({failed_to_get_compiler_version, Err}) ->
Msg = io_lib:format("Failed to get compiler version. Error:\n ~p\n", [Err]),
Msg = io_lib:format("Failed to get compiler version. Error: ~p", [Err]),
mk_t_err(pos(0, 0), Msg);
mk_error({compiler_version_mismatch, Ann, Version, Op, Bound}) ->
PrintV = fun(V) -> string:join([integer_to_list(N) || N <- V], ".") end,
Msg = io_lib:format("Cannot compile with this version of the compiler,\n"
Msg = io_lib:format("Cannot compile with this version of the compiler, "
"because it does not satisfy the constraint"
" ~s ~s ~s\n", [PrintV(Version), Op, PrintV(Bound)]),
" ~s ~s ~s", [PrintV(Version), Op, PrintV(Bound)]),
mk_t_err(pos(Ann), Msg);
mk_error({empty_record_or_map_update, Expr}) ->
Msg = io_lib:format("Empty record/map update\n~s",
[pp_expr(" ", Expr)]),
Msg = io_lib:format("Empty record/map update `~s`", [pp_expr(Expr)]),
mk_t_err(pos(Expr), Msg);
mk_error({mixed_record_and_map, Expr}) ->
Msg = io_lib:format("Mixed record fields and map keys in\n~s",
[pp_expr(" ", Expr)]),
Msg = io_lib:format("Mixed record fields and map keys in `~s`", [pp_expr(Expr)]),
mk_t_err(pos(Expr), Msg);
mk_error({named_argument_must_be_literal_bool, Name, Arg}) ->
Msg = io_lib:format("Invalid '~s' argument\n~s\nIt must be either 'true' or 'false'.", [Name, pp_expr(" ", instantiate(Arg))]),
Msg = io_lib:format("Invalid `~s` argument `~s`. "
"It must be either `true` or `false`.",
[Name, pp_expr(instantiate(Arg))]),
mk_t_err(pos(Arg), Msg);
mk_error({conflicting_updates_for_field, Upd, Key}) ->
Msg = io_lib:format("Conflicting updates for field '~s'\n", [Key]),
Msg = io_lib:format("Conflicting updates for field '~s'", [Key]),
mk_t_err(pos(Upd), Msg);
mk_error({ambiguous_main_contract, Ann}) ->
Msg = "Could not deduce the main contract. You can point it out manually with the `main` keyword.",
mk_t_err(pos(Ann), Msg);
mk_error({main_contract_undefined, Ann}) ->
Msg = "No contract defined.\n",
Msg = "No contract defined.",
mk_t_err(pos(Ann), Msg);
mk_error({multiple_main_contracts, Ann}) ->
Msg = "Only one main contract can be defined.\n",
Msg = "Only one main contract can be defined.",
mk_t_err(pos(Ann), Msg);
mk_error({unify_varargs, When}) ->
Msg = "Cannot unify variable argument list.\n",
Msg = "Cannot unify variable argument list.",
{Pos, Ctxt} = pp_when(When),
mk_t_err(Pos, Msg, Ctxt);
mk_error({clone_no_contract, Ann}) ->
Msg = "Chain.clone requires `ref` named argument of contract type.\n",
Msg = "Chain.clone requires `ref` named argument of contract type.",
mk_t_err(pos(Ann), Msg);
mk_error({contract_lacks_definition, Type, When}) ->
Msg = io_lib:format(
"~s is not implemented.\n",
"~s is not implemented.",
[pp_type(Type)]
),
{Pos, Ctxt} = pp_when(When),
mk_t_err(Pos, Msg, Ctxt);
mk_error({ambiguous_name, QIds = [{qid, Ann, _} | _]}) ->
Names = lists:map(fun(QId) -> io_lib:format("~s at ~s\n", [pp(QId), pp_loc(QId)]) end, QIds),
Msg = "Ambiguous name: " ++ lists:concat(Names),
mk_t_err(pos(Ann), Msg);
mk_error({ambiguous_name, Name, QIds}) ->
Msg = io_lib:format("Ambiguous name `~s` could be one of~s",
[pp(Name),
[io_lib:format("\n - `~s` (at ~s)", [pp(QId), pp_loc(QId)]) || QId <- QIds]]),
mk_t_err(pos(Name), Msg);
mk_error({using_undefined_namespace, Ann, Namespace}) ->
Msg = io_lib:format("Cannot use undefined namespace ~s", [Namespace]),
mk_t_err(pos(Ann), Msg);
@ -3276,38 +3275,38 @@ mk_error({unknown_warning, Warning}) ->
Msg = io_lib:format("Trying to report unknown warning: ~p", [Warning]),
mk_t_err(pos(0, 0), Msg);
mk_error(Err) ->
Msg = io_lib:format("Unknown error: ~p\n", [Err]),
Msg = io_lib:format("Unknown error: ~p", [Err]),
mk_t_err(pos(0, 0), Msg).
mk_warning({unused_include, FileName, SrcFile}) ->
Msg = io_lib:format("The file ~s is included but not used", [FileName]),
Msg = io_lib:format("The file `~s` is included but not used.", [FileName]),
aeso_warnings:new(aeso_errors:pos(SrcFile, 0, 0), Msg);
mk_warning({unused_stateful, Ann, FunName}) ->
Msg = io_lib:format("The function ~s is unnecessarily marked as stateful at ~s", [name(FunName), pp_loc(Ann)]),
Msg = io_lib:format("The function `~s` is unnecessarily marked as stateful.", [name(FunName)]),
aeso_warnings:new(pos(Ann), Msg);
mk_warning({unused_variable, Ann, _Namespace, _Fun, VarName}) ->
Msg = io_lib:format("The variable ~s is defined at ~s but never used", [VarName, pp_loc(Ann)]),
Msg = io_lib:format("The variable `~s` is defined but never used.", [VarName]),
aeso_warnings:new(pos(Ann), Msg);
mk_warning({unused_typedef, Ann, QName, _Arity}) ->
Msg = io_lib:format("The type ~s is defined at ~s but never used", [lists:last(QName), pp_loc(Ann)]),
Msg = io_lib:format("The type `~s` is defined but never used.", [lists:last(QName)]),
aeso_warnings:new(pos(Ann), Msg);
mk_warning({unused_return_value, Ann}) ->
Msg = io_lib:format("Unused return value at ~s", [pp_loc(Ann)]),
Msg = io_lib:format("Unused return value.", []),
aeso_warnings:new(pos(Ann), Msg);
mk_warning({unused_function, Ann, FunName}) ->
Msg = io_lib:format("The function ~s is defined at ~s but never used", [FunName, pp_loc(Ann)]),
Msg = io_lib:format("The function `~s` is defined but never used.", [FunName]),
aeso_warnings:new(pos(Ann), Msg);
mk_warning({shadowing, Ann, VarName, AnnOld}) ->
Msg = io_lib:format("The definition of ~s at ~s shadows an older definition at ~s", [VarName, pp_loc(Ann), pp_loc(AnnOld)]),
Msg = io_lib:format("The definition of `~s` shadows an older definition at ~s.", [VarName, pp_loc(AnnOld)]),
aeso_warnings:new(pos(Ann), Msg);
mk_warning({division_by_zero, Ann}) ->
Msg = io_lib:format("Division by zero at ~s", [pp_loc(Ann)]),
Msg = io_lib:format("Division by zero.", []),
aeso_warnings:new(pos(Ann), Msg);
mk_warning({negative_spend, Ann}) ->
Msg = io_lib:format("Negative spend at ~s", [pp_loc(Ann)]),
Msg = io_lib:format("Negative spend.", []),
aeso_warnings:new(pos(Ann), Msg);
mk_warning(Warn) ->
Msg = io_lib:format("Unknown warning: ~p\n", [Warn]),
Msg = io_lib:format("Unknown warning: ~p", [Warn]),
aeso_warnings:new(Msg).
mk_entrypoint(Decl) ->
@ -3316,25 +3315,24 @@ mk_entrypoint(Decl) ->
aeso_syntax:get_ann(Decl))) -- [public, private]],
aeso_syntax:set_ann(Ann, Decl).
pp_when({todo, What}) -> {pos(0, 0), io_lib:format("[TODO] ~p\n", [What])};
pp_when({at, Ann}) -> {pos(Ann), io_lib:format("at ~s\n", [pp_loc(Ann)])};
pp_when({todo, What}) -> {pos(0, 0), io_lib:format("[TODO] ~p", [What])};
pp_when({at, Ann}) -> {pos(Ann), io_lib:format("at ~s", [pp_loc(Ann)])};
pp_when({check_typesig, Name, Inferred, Given}) ->
{pos(Given),
io_lib:format("when checking the definition of ~s (at ~s)\n"
" inferred type: ~s\n"
" given type: ~s\n",
[Name, pp_loc(Given), pp(instantiate(Inferred)), pp(instantiate(Given))])};
io_lib:format("when checking the definition of `~s`\n"
" inferred type: `~s`\n"
" given type: `~s`",
[Name, pp(instantiate(Inferred)), pp(instantiate(Given))])};
pp_when({infer_app, Fun, NamedArgs, Args, Inferred0, ArgTypes0}) ->
Inferred = instantiate(Inferred0),
ArgTypes = instantiate(ArgTypes0),
{pos(Fun),
io_lib:format("when checking the application at ~s of\n"
"~s\n"
"to arguments\n~s",
[pp_loc(Fun),
pp_typed(" ", Fun, Inferred),
[ [pp_expr(" ", NamedArg), "\n"] || NamedArg <- NamedArgs ] ++
[ [pp_typed(" ", Arg, ArgT), "\n"]
io_lib:format("when checking the application of\n"
" `~s`\n"
"to arguments~s",
[pp_typed("", Fun, Inferred),
[ ["\n ", "`" ++ pp_expr(NamedArg) ++ "`"] || NamedArg <- NamedArgs ] ++
[ ["\n ", "`" ++ pp_typed("", Arg, ArgT) ++ "`"]
|| {Arg, ArgT} <- lists:zip(Args, ArgTypes) ] ])};
pp_when({field_constraint, FieldType0, InferredType0, Fld}) ->
FieldType = instantiate(FieldType0),
@ -3348,20 +3346,17 @@ pp_when({field_constraint, FieldType0, InferredType0, Fld}) ->
pp_type(" ", InferredType)
]);
{field, _Ann, LV, Id, E} ->
io_lib:format("when checking the assignment of the field\n~s (at ~s)\nto the old value ~s and the new value\n~s\n",
[pp_typed(" ", {lvalue, [], LV}, FieldType),
pp_loc(Fld),
io_lib:format("when checking the assignment of the field `~s` to the old value `~s` and the new value `~s`",
[pp_typed("", {lvalue, [], LV}, FieldType),
pp(Id),
pp_typed(" ", E, InferredType)]);
pp_typed("", E, InferredType)]);
{field, _Ann, LV, E} ->
io_lib:format("when checking the assignment of the field\n~s (at ~s)\nto the value\n~s\n",
[pp_typed(" ", {lvalue, [], LV}, FieldType),
pp_loc(Fld),
pp_typed(" ", E, InferredType)]);
io_lib:format("when checking the assignment of the field `~s` to the value `~s`",
[pp_typed("", {lvalue, [], LV}, FieldType),
pp_typed("", E, InferredType)]);
{proj, _Ann, _Rec, _Fld} ->
io_lib:format("when checking the record projection at ~s\n~s\nagainst the expected type\n~s\n",
[pp_loc(Fld),
pp_typed(" ", Fld, FieldType),
io_lib:format("when checking the record projection `~s` against the expected type `~s`",
[pp_typed(" ", Fld, FieldType),
pp_type(" ", InferredType)])
end};
pp_when({record_constraint, RecType0, InferredType0, Fld}) ->
@ -3372,23 +3367,23 @@ pp_when({record_constraint, RecType0, InferredType0, Fld}) ->
{var_args, _Ann, _Fun} ->
{Pos,
io_lib:format("when checking that contract construction of type\n~s\n~s\n"
"matches the expected type\n~s\n",
"matches the expected type\n~s",
[pp_type(" ", RecType), WhyRec, pp_type(" ", InferredType)]
)
};
{field, _Ann, _LV, _Id, _E} ->
{Pos,
io_lib:format("when checking that the record type\n~s\n~s\n"
"matches the expected type\n~s\n",
"matches the expected type\n~s",
[pp_type(" ", RecType), WhyRec, pp_type(" ", InferredType)])};
{field, _Ann, _LV, _E} ->
{Pos,
io_lib:format("when checking that the record type\n~s\n~s\n"
"matches the expected type\n~s\n",
"matches the expected type\n~s",
[pp_type(" ", RecType), WhyRec, pp_type(" ", InferredType)])};
{proj, _Ann, Rec, _FldName} ->
{pos(Rec),
io_lib:format("when checking that the expression\n~s (at ~s)\nhas type\n~s\n~s\n",
io_lib:format("when checking that the expression\n~s (at ~s)\nhas type\n~s\n~s",
[pp_typed(" ", Rec, InferredType), pp_loc(Rec),
pp_type(" ", RecType), WhyRec])}
end;
@ -3402,73 +3397,68 @@ pp_when({if_branches, Then, ThenType0, Else, ElseType0}) ->
pp_when({case_pat, Pat, PatType0, ExprType0}) ->
{PatType, ExprType} = instantiate({PatType0, ExprType0}),
{pos(Pat),
io_lib:format("when checking the type of the pattern at ~s\n~s\n"
"against the expected type\n~s\n",
[pp_loc(Pat), pp_typed(" ", Pat, PatType),
pp_type(" ", ExprType)])};
io_lib:format("when checking the type of the pattern `~s` against the expected type `~s`",
[pp_typed("", Pat, PatType),
pp_type(ExprType)])};
pp_when({check_expr, Expr, Inferred0, Expected0}) ->
{Inferred, Expected} = instantiate({Inferred0, Expected0}),
{pos(Expr),
io_lib:format("when checking the type of the expression at ~s\n~s\n"
"against the expected type\n~s\n",
[pp_loc(Expr), pp_typed(" ", Expr, Inferred),
pp_type(" ", Expected)])};
io_lib:format("when checking the type of the expression `~s` against the expected type `~s`",
[pp_typed("", Expr, Inferred), pp_type(Expected)])};
pp_when({checking_init_type, Ann}) ->
{pos(Ann),
io_lib:format("when checking that 'init' returns a value of type 'state' at ~s\n",
[pp_loc(Ann)])};
io_lib:format("when checking that `init` returns a value of type `state`", [])};
pp_when({list_comp, BindExpr, Inferred0, Expected0}) ->
{Inferred, Expected} = instantiate({Inferred0, Expected0}),
{pos(BindExpr),
io_lib:format("when checking rvalue of list comprehension binding at ~s\n~s\n"
"against type \n~s\n",
[pp_loc(BindExpr), pp_typed(" ", BindExpr, Inferred), pp_type(" ", Expected)])};
io_lib:format("when checking rvalue of list comprehension binding `~s` against type `~s`",
[pp_typed("", BindExpr, Inferred), pp_type(Expected)])};
pp_when({check_named_arg_constraint, C}) ->
{id, _, Name} = Arg = C#named_argument_constraint.name,
[Type | _] = [ Type || {named_arg_t, _, {id, _, Name1}, Type, _} <- C#named_argument_constraint.args, Name1 == Name ],
Err = io_lib:format("when checking named argument\n~s\nagainst inferred type\n~s",
[pp_typed(" ", Arg, Type), pp_type(" ", C#named_argument_constraint.type)]),
Err = io_lib:format("when checking named argument `~s` against inferred type `~s`",
[pp_typed("", Arg, Type), pp_type(C#named_argument_constraint.type)]),
{pos(Arg), Err};
pp_when({checking_init_args, Ann, Con0, ArgTypes0}) ->
Con = instantiate(Con0),
ArgTypes = instantiate(ArgTypes0),
{pos(Ann),
io_lib:format("when checking arguments of ~s's init entrypoint to match\n(~s)",
io_lib:format("when checking arguments of `~s`'s init entrypoint to match\n(~s)",
[pp_type(Con), string:join([pp_type(A) || A <- ArgTypes], ", ")])
};
pp_when({return_contract, App, Con0}) ->
Con = instantiate(Con0),
{pos(App)
, io_lib:format("when checking that expression returns contract of type\n~s", [pp_type(" ", Con)])
, io_lib:format("when checking that expression returns contract of type `~s`", [pp_type(Con)])
};
pp_when({arg_name, Id1, Id2, When}) ->
{Pos, Ctx} = pp_when(When),
{Pos
, io_lib:format("when unifying names of named arguments: ~s and ~s\n~s", [pp_expr(Id1), pp_expr(Id2), Ctx])
, io_lib:format("when unifying names of named arguments: `~s` and `~s`\n~s", [pp_expr(Id1), pp_expr(Id2), Ctx])
};
pp_when({var_args, Ann, Fun}) ->
{pos(Ann)
, io_lib:format("when resolving arguments of variadic function\n~s\n", [pp_expr(" ", Fun)])
, io_lib:format("when resolving arguments of variadic function `~s`", [pp_expr(Fun)])
};
pp_when(unknown) -> {pos(0,0), ""}.
-spec pp_why_record(why_record()) -> {pos(), iolist()}.
pp_why_record({var_args, Ann, Fun}) ->
{pos(Ann),
io_lib:format("arising from resolution of variadic function ~s (at ~s)",
[pp_expr(Fun), pp_loc(Fun)])};
io_lib:format("arising from resolution of variadic function `~s`",
[pp_expr(Fun)])};
pp_why_record(Fld = {field, _Ann, LV, _E}) ->
{pos(Fld),
io_lib:format("arising from an assignment of the field ~s (at ~s)",
[pp_expr({lvalue, [], LV}), pp_loc(Fld)])};
io_lib:format("arising from an assignment of the field `~s`",
[pp_expr({lvalue, [], LV})])};
pp_why_record(Fld = {field, _Ann, LV, _Alias, _E}) ->
{pos(Fld),
io_lib:format("arising from an assignment of the field ~s (at ~s)",
[pp_expr({lvalue, [], LV}), pp_loc(Fld)])};
io_lib:format("arising from an assignment of the field `~s`",
[pp_expr({lvalue, [], LV})])};
pp_why_record({proj, _Ann, Rec, FldName}) ->
{pos(Rec),
io_lib:format("arising from the projection of the field ~s (at ~s)",
[pp(FldName), pp_loc(Rec)])}.
io_lib:format("arising from the projection of the field `~s`",
[pp(FldName)])}.
if_branches(If = {'if', Ann, _, Then, Else}) ->
@ -3487,12 +3477,12 @@ pp_typed(Label, Expr, Type) ->
pp_expr(Expr) ->
pp_expr("", Expr).
pp_expr(Label, Expr) ->
prettypr:format(prettypr:beside(prettypr:text(Label), aeso_pretty:expr(Expr, [show_generated]))).
prettypr:format(prettypr:beside(prettypr:text(Label), aeso_pretty:expr(Expr, [show_generated])), 80, 80).
pp_type(Type) ->
pp_type("", Type).
pp_type(Label, Type) ->
prettypr:format(prettypr:beside(prettypr:text(Label), aeso_pretty:type(Type, [show_generated]))).
prettypr:format(prettypr:beside(prettypr:text(Label), aeso_pretty:type(Type, [show_generated])), 80, 80).
src_file(T) -> aeso_syntax:get_ann(file, T, no_file).
line_number(T) -> aeso_syntax:get_ann(line, T, 0).

46
src/aeso_code_errors.erl
View File

@ -11,21 +11,21 @@
-export([format/1, pos/1]).
format({last_declaration_must_be_main_contract, Decl = {Kind, _, {con, _, C}, _}}) ->
Msg = io_lib:format("Expected a main contract as the last declaration instead of the ~p '~s'\n",
Msg = io_lib:format("Expected a main contract as the last declaration instead of the ~p '~s'",
[Kind, C]),
mk_err(pos(Decl), Msg);
format({missing_init_function, Con}) ->
Msg = io_lib:format("Missing init function for the contract '~s'.\n", [pp_expr(Con)]),
Cxt = "The 'init' function can only be omitted if the state type is 'unit'.\n",
Msg = io_lib:format("Missing init function for the contract '~s'.", [pp_expr(Con)]),
Cxt = "The 'init' function can only be omitted if the state type is 'unit'.",
mk_err(pos(Con), Msg, Cxt);
format({missing_definition, Id}) ->
Msg = io_lib:format("Missing definition of function '~s'.\n", [pp_expr(Id)]),
Msg = io_lib:format("Missing definition of function '~s'.", [pp_expr(Id)]),
mk_err(pos(Id), Msg);
format({parameterized_state, Decl}) ->
Msg = "The state type cannot be parameterized.\n",
Msg = "The state type cannot be parameterized.",
mk_err(pos(Decl), Msg);
format({parameterized_event, Decl}) ->
Msg = "The event type cannot be parameterized.\n",
Msg = "The event type cannot be parameterized.",
mk_err(pos(Decl), Msg);
format({invalid_entrypoint, Why, Ann, {id, _, Name}, Thing}) ->
What = case Why of higher_order -> "higher-order (contains function types)";
@ -38,54 +38,54 @@ format({invalid_entrypoint, Why, Ann, {id, _, Name}, Thing}) ->
{argument, _, _} -> io_lib:format("has a ~s type", [What]);
{result, _} -> io_lib:format("is ~s", [What])
end,
Msg = io_lib:format("The ~sof entrypoint '~s' ~s.\n",
Msg = io_lib:format("The ~sof entrypoint '~s' ~s.",
[ThingS, Name, Bad]),
case Why of
polymorphic -> mk_err(pos(Ann), Msg, "Use the FATE backend if you want polymorphic entrypoints.\n");
higher_order -> mk_err(pos(Ann), Msg)
end;
format({cant_compare_type_aevm, Ann, Op, Type}) ->
StringAndTuple = [ "- type string\n"
"- tuple or record of word type\n" || lists:member(Op, ['==', '!=']) ],
StringAndTuple = [ "\n- type string"
"\n- tuple or record of word type" || lists:member(Op, ['==', '!=']) ],
Msg = io_lib:format("Cannot compare values of type\n"
"~s\n"
"The AEVM only supports '~s' on values of\n"
"- word type (int, bool, bits, address, oracle(_, _), etc)\n"
"- word type (int, bool, bits, address, oracle(_, _), etc)"
"~s",
[pp_type(2, Type), Op, StringAndTuple]),
Cxt = "Use FATE if you need to compare arbitrary types.\n",
Cxt = "Use FATE if you need to compare arbitrary types.",
mk_err(pos(Ann), Msg, Cxt);
format({invalid_aens_resolve_type, Ann, T}) ->
Msg = io_lib:format("Invalid return type of AENS.resolve:\n"
"~s\n"
"It must be a string or a pubkey type (address, oracle, etc).\n",
"It must be a string or a pubkey type (address, oracle, etc).",
[pp_type(2, T)]),
mk_err(pos(Ann), Msg);
format({unapplied_contract_call, Contract}) ->
Msg = io_lib:format("The AEVM does not support unapplied contract call to\n"
"~s\n", [pp_expr(2, Contract)]),
Cxt = "Use FATE if you need this.\n",
"~s", [pp_expr(2, Contract)]),
Cxt = "Use FATE if you need this.",
mk_err(pos(Contract), Msg, Cxt);
format({unapplied_builtin, Id}) ->
Msg = io_lib:format("The AEVM does not support unapplied use of ~s.\n", [pp_expr(0, Id)]),
Cxt = "Use FATE if you need this.\n",
Msg = io_lib:format("The AEVM does not support unapplied use of ~s.", [pp_expr(0, Id)]),
Cxt = "Use FATE if you need this.",
mk_err(pos(Id), Msg, Cxt);
format({invalid_map_key_type, Why, Ann, Type}) ->
Msg = io_lib:format("Invalid map key type\n~s\n", [pp_type(2, Type)]),
Msg = io_lib:format("Invalid map key type\n~s", [pp_type(2, Type)]),
Cxt = case Why of
polymorphic -> "Map keys cannot be polymorphic in the AEVM. Use FATE if you need this.\n";
function -> "Map keys cannot be higher-order.\n"
polymorphic -> "Map keys cannot be polymorphic in the AEVM. Use FATE if you need this.";
function -> "Map keys cannot be higher-order."
end,
mk_err(pos(Ann), Msg, Cxt);
format({invalid_oracle_type, Why, What, Ann, Type}) ->
WhyS = case Why of higher_order -> "higher-order (contain function types)";
polymorphic -> "polymorphic (contain type variables)" end,
Msg = io_lib:format("Invalid oracle type\n~s\n", [pp_type(2, Type)]),
Cxt = io_lib:format("The ~s type must not be ~s.\n", [What, WhyS]),
Msg = io_lib:format("Invalid oracle type\n~s", [pp_type(2, Type)]),
Cxt = io_lib:format("The ~s type must not be ~s.", [What, WhyS]),
mk_err(pos(Ann), Msg, Cxt);
format({higher_order_state, {type_def, Ann, _, _, State}}) ->
Msg = io_lib:format("Invalid state type\n~s\n", [pp_type(2, State)]),
Cxt = "The state cannot contain functions in the AEVM. Use FATE if you need this.\n",
Msg = io_lib:format("Invalid state type\n~s", [pp_type(2, State)]),
Cxt = "The state cannot contain functions in the AEVM. Use FATE if you need this.",
mk_err(pos(Ann), Msg, Cxt);
format({var_args_not_set, Expr}) ->
mk_err( pos(Expr), "Could not deduce type of variable arguments list"

22
src/aeso_compiler.erl
View File

@ -325,14 +325,14 @@ to_sophia_value(_, _, revert, Data, Options) ->
{ok, Err} ->
{ok, {app, [], {id, [], "abort"}, [{string, [], Err}]}};
{error, _} ->
Msg = "Could not interpret the revert message\n",
Msg = "Could not interpret the revert message",
{error, [aeso_errors:new(data_error, Msg)]}
end;
fate ->
try aeb_fate_encoding:deserialize(Data) of
Err -> {ok, {app, [], {id, [], "abort"}, [{string, [], Err}]}}
catch _:_ ->
Msg = "Could not deserialize the revert message\n",
Msg = "Could not deserialize the revert message",
{error, [aeso_errors:new(data_error, Msg)]}
end
end;
@ -354,12 +354,12 @@ to_sophia_value(ContractString, FunName, ok, Data, Options0) ->
{ok, aeso_vm_decode:from_aevm(VmType, Type, VmValue)}
catch throw:cannot_translate_to_sophia ->
Type0Str = prettypr:format(aeso_pretty:type(Type0)),
Msg = io_lib:format("Cannot translate VM value ~p\n of type ~p\n to Sophia type ~s\n",
Msg = io_lib:format("Cannot translate VM value ~p\n of type ~p\n to Sophia type ~s",
[Data, VmType, Type0Str]),
{error, [aeso_errors:new(data_error, Msg)]}
end;
{error, _Err} ->
Msg = io_lib:format("Failed to decode binary as type ~p\n", [VmType]),
Msg = io_lib:format("Failed to decode binary as type ~p", [VmType]),
{error, [aeso_errors:new(data_error, Msg)]}
end;
fate ->
@ -367,12 +367,12 @@ to_sophia_value(ContractString, FunName, ok, Data, Options0) ->
{ok, aeso_vm_decode:from_fate(Type, aeb_fate_encoding:deserialize(Data))}
catch throw:cannot_translate_to_sophia ->
Type1 = prettypr:format(aeso_pretty:type(Type0)),
Msg = io_lib:format("Cannot translate FATE value ~p\n of Sophia type ~s\n",
Msg = io_lib:format("Cannot translate FATE value ~p\n of Sophia type ~s",
[aeb_fate_encoding:deserialize(Data), Type1]),
{error, [aeso_errors:new(data_error, Msg)]};
_:_ ->
Type1 = prettypr:format(aeso_pretty:type(Type0)),
Msg = io_lib:format("Failed to decode binary as type ~s\n", [Type1]),
Msg = io_lib:format("Failed to decode binary as type ~s", [Type1]),
{error, [aeso_errors:new(data_error, Msg)]}
end
end
@ -436,12 +436,12 @@ decode_calldata(ContractString, FunName, Calldata, Options0) ->
{ok, ArgTypes, Values}
catch throw:cannot_translate_to_sophia ->
Type0Str = prettypr:format(aeso_pretty:type(Type0)),
Msg = io_lib:format("Cannot translate VM value ~p\n of type ~p\n to Sophia type ~s\n",
Msg = io_lib:format("Cannot translate VM value ~p\n of type ~p\n to Sophia type ~s",
[VmValue, VmType, Type0Str]),
{error, [aeso_errors:new(data_error, Msg)]}
end;
{error, _Err} ->
Msg = io_lib:format("Failed to decode calldata as type ~p\n", [VmType]),
Msg = io_lib:format("Failed to decode calldata as type ~p", [VmType]),
{error, [aeso_errors:new(data_error, Msg)]}
end;
fate ->
@ -454,12 +454,12 @@ decode_calldata(ContractString, FunName, Calldata, Options0) ->
{ok, ArgTypes, AstArgs}
catch throw:cannot_translate_to_sophia ->
Type0Str = prettypr:format(aeso_pretty:type(Type0)),
Msg = io_lib:format("Cannot translate FATE value ~p\n to Sophia type ~s\n",
Msg = io_lib:format("Cannot translate FATE value ~p\n to Sophia type ~s",
[FateArgs, Type0Str]),
{error, [aeso_errors:new(data_error, Msg)]}
end;
{error, _} ->
Msg = io_lib:format("Failed to decode calldata binary\n", []),
Msg = io_lib:format("Failed to decode calldata binary", []),
{error, [aeso_errors:new(data_error, Msg)]}
end
end
@ -502,7 +502,7 @@ get_decode_type(FunName, [{Contract, Ann, _, Defs}]) when ?IS_CONTRACT_HEAD(Cont
case FunName of
"init" -> {ok, [], {tuple_t, [], []}};
_ ->
Msg = io_lib:format("Function '~s' is missing in contract\n", [FunName]),
Msg = io_lib:format("Function '~s' is missing in contract", [FunName]),
Pos = aeso_code_errors:pos(Ann),
aeso_errors:throw(aeso_errors:new(data_error, Pos, Msg))
end

6
src/aeso_errors.erl
View File

@ -66,10 +66,10 @@ throw(#err{} = Err) ->
erlang:throw({error, [Err]}).
msg(#err{ message = Msg, context = none }) -> Msg;
msg(#err{ message = Msg, context = Ctxt }) -> Msg ++ Ctxt.
msg(#err{ message = Msg, context = Ctxt }) -> Msg ++ "\n" ++ Ctxt.
err_msg(#err{ pos = Pos } = Err) ->
lists:flatten(io_lib:format("~s~s", [str_pos(Pos), msg(Err)])).
lists:flatten(io_lib:format("~s~s\n", [str_pos(Pos), msg(Err)])).
str_pos(#pos{file = no_file, line = L, col = C}) ->
io_lib:format("~p:~p:", [L, C]);
@ -79,7 +79,7 @@ str_pos(#pos{file = F, line = L, col = C}) ->
type(#err{ type = Type }) -> Type.
pp(#err{ type = Kind, pos = Pos } = Err) ->
lists:flatten(io_lib:format("~s~s:\n~s", [pp_kind(Kind), pp_pos(Pos), msg(Err)])).
lists:flatten(io_lib:format("~s~s:\n~s\n", [pp_kind(Kind), pp_pos(Pos), msg(Err)])).
pp_kind(type_error) -> "Type error";
pp_kind(parse_error) -> "Parse error";

8
test/aeso_abi_tests.erl
View File

@ -91,9 +91,11 @@ encode_calldata_neg_test() ->
Code = [ "contract Foo =\n"
" entrypoint x(y : int) : string = \"hello\"\n" ],
ExpErr1 = "Type error at line 5, col 34:\nCannot unify int\n and bool\n"
"when checking the application at line 5, column 34 of\n"
" x : (int) => string\nto arguments\n true : bool\n",
ExpErr1 = "Type error at line 5, col 34:\nCannot unify `int` and `bool`\n"
"when checking the application of\n"
" `x : (int) => string`\n"
"to arguments\n"
" `true : bool`\n",
{error, [Err1]} = aeso_compiler:create_calldata(Code, "x", ["true"]),
?assertEqual(ExpErr1, aeso_errors:pp(Err1)),
{error, [Err2]} = aeso_compiler:create_calldata(Code, "x", ["true"], [{backend, fate}]),

568
test/aeso_compiler_tests.erl
View File

@ -257,33 +257,33 @@ debug_mode_contracts() ->
warnings() ->
?WARNING(warnings,
[<<?PosW(0, 0)
"The file Triple.aes is included but not used">>,
"The file `Triple.aes` is included but not used.">>,
<<?PosW(13, 3)
"The function h is defined at line 13, column 3 but never used">>,
"The function `h` is defined but never used.">>,
<<?PosW(19, 3)
"The type unused_type is defined at line 19, column 3 but never used">>,
"The type `unused_type` is defined but never used.">>,
<<?PosW(23, 54)
"Negative spend at line 23, column 54">>,
"Negative spend.">>,
<<?PosW(27, 9)
"The definition of x at line 27, column 9 shadows an older definition at line 26, column 9">>,
"The definition of `x` shadows an older definition at line 26, column 9.">>,
<<?PosW(30, 36)
"Division by zero at line 30, column 36">>,
"Division by zero.">>,
<<?PosW(32, 3)
"The function unused_stateful is unnecessarily marked as stateful at line 32, column 3">>,
"The function `unused_stateful` is unnecessarily marked as stateful.">>,
<<?PosW(35, 31)
"The variable unused_arg is defined at line 35, column 31 but never used">>,
"The variable `unused_arg` is defined but never used.">>,
<<?PosW(36, 9)
"The variable unused_var is defined at line 36, column 9 but never used">>,
"The variable `unused_var` is defined but never used.">>,
<<?PosW(41, 3)
"The function unused_function is defined at line 41, column 3 but never used">>,
"The function `unused_function` is defined but never used.">>,
<<?PosW(42, 3)
"The function recursive_unused_function is defined at line 42, column 3 but never used">>,
"The function `recursive_unused_function` is defined but never used.">>,
<<?PosW(43, 3)
"The function called_unused_function1 is defined at line 43, column 3 but never used">>,
"The function `called_unused_function1` is defined but never used.">>,
<<?PosW(44, 3)
"The function called_unused_function2 is defined at line 44, column 3 but never used">>,
"The function `called_unused_function2` is defined but never used.">>,
<<?PosW(48, 5)
"Unused return value at line 48, column 5">>
"Unused return value.">>
]).
failing_contracts() ->
@ -301,365 +301,302 @@ failing_contracts() ->
%% Type errors
, ?TYPE_ERROR(name_clash,
[<<?Pos(14, 3)
"Duplicate definitions of abort at\n"
"Duplicate definitions of `abort` at\n"
" - (builtin location)\n"
" - line 14, column 3">>,
<<?Pos(15, 3)
"Duplicate definitions of require at\n"
"Duplicate definitions of `require` at\n"
" - (builtin location)\n"
" - line 15, column 3">>,
<<?Pos(11, 3)
"Duplicate definitions of double_def at\n"
"Duplicate definitions of `double_def` at\n"
" - line 10, column 3\n"
" - line 11, column 3">>,
<<?Pos(5, 3)
"Duplicate definitions of double_proto at\n"
"Duplicate definitions of `double_proto` at\n"
" - line 4, column 3\n"
" - line 5, column 3">>,
<<?Pos(8, 3)
"Duplicate definitions of proto_and_def at\n"
"Duplicate definitions of `proto_and_def` at\n"
" - line 7, column 3\n"
" - line 8, column 3">>,
<<?Pos(16, 3)
"Duplicate definitions of put at\n"
"Duplicate definitions of `put` at\n"
" - (builtin location)\n"
" - line 16, column 3">>,
<<?Pos(17, 3)
"Duplicate definitions of state at\n"
"Duplicate definitions of `state` at\n"
" - (builtin location)\n"
" - line 17, column 3">>])
, ?TYPE_ERROR(type_errors,
[<<?Pos(17, 23)
"Unbound variable zz at line 17, column 23">>,
"Unbound variable `zz`">>,
<<?Pos(26, 9)
"Cannot unify int\n"
" and list(int)\n"
"when checking the application at line 26, column 9 of\n"
" (::) : (int, list(int)) => list(int)\n"
"Cannot unify `int` and `list(int)`\n"
"when checking the application of\n"
" `(::) : (int, list(int)) => list(int)`\n"
"to arguments\n"
" x : int\n"
" x : int">>,
" `x : int`\n"
" `x : int`">>,
<<?Pos(9, 48)
"Cannot unify string\n"
" and int\n"
"when checking the assignment of the field\n"
" x : map(string, string) (at line 9, column 48)\n"
"to the old value __x and the new value\n"
" __x {[\"foo\"] @ x = x + 1} : map(string, int)">>,
"Cannot unify `string` and `int`\n"
"when checking the assignment of the field `x : map(string, string)` "
"to the old value `__x` and the new value `__x {[\"foo\"] @ x = x + 1} : map(string, int)`">>,
<<?Pos(34, 47)
"Cannot unify int\n"
" and string\n"
"when checking the type of the expression at line 34, column 47\n"
" 1 : int\n"
"against the expected type\n"
" string">>,
"Cannot unify `int` and `string`\n"
"when checking the type of the expression `1 : int` "
"against the expected type `string`">>,
<<?Pos(34, 52)
"Cannot unify string\n"
" and int\n"
"when checking the type of the expression at line 34, column 52\n"
" \"bla\" : string\n"
"against the expected type\n"
" int">>,
"Cannot unify `string` and `int`\n"
"when checking the type of the expression `\"bla\" : string` "
"against the expected type `int`">>,
<<?Pos(32, 18)
"Cannot unify string\n"
" and int\n"
"when checking the type of the expression at line 32, column 18\n"
" \"x\" : string\n"
"against the expected type\n"
" int">>,
"Cannot unify `string` and `int`\n"
"when checking the type of the expression `\"x\" : string` "
"against the expected type `int`">>,
<<?Pos(11, 58)
"Cannot unify string\n"
" and int\n"
"when checking the type of the expression at line 11, column 58\n"
" \"foo\" : string\n"
"against the expected type\n"
" int">>,
"Cannot unify `string` and `int`\n"
"when checking the type of the expression `\"foo\" : string` "
"against the expected type `int`">>,
<<?Pos(38, 13)
"Cannot unify int\n"
" and string\n"
"Cannot unify `int` and `string`\n"
"when comparing the types of the if-branches\n"
" - w : int (at line 38, column 13)\n"
" - z : string (at line 39, column 10)">>,
<<?Pos(22, 40)
"Not a record type: string\n"
"arising from the projection of the field y (at line 22, column 40)">>,
"Not a record type: `string`\n"
"arising from the projection of the field `y`">>,
<<?Pos(21, 44)
"Not a record type: string\n"
"arising from an assignment of the field y (at line 21, column 44)">>,
"Not a record type: `string`\n"
"arising from an assignment of the field `y`">>,
<<?Pos(20, 40)
"Not a record type: string\n"
"arising from an assignment of the field y (at line 20, column 40)">>,
"Not a record type: `string`\n"
"arising from an assignment of the field `y`">>,
<<?Pos(19, 37)
"Not a record type: string\n"
"arising from an assignment of the field y (at line 19, column 37)">>,
"Not a record type: `string`\n"
"arising from an assignment of the field `y`">>,
<<?Pos(13, 27)
"Ambiguous record type with field y (at line 13, column 27) could be one of\n"
" - r (at line 4, column 10)\n"
" - r' (at line 5, column 10)">>,
"Ambiguous record type with field `y` could be one of\n"
" - `r` (at line 4, column 10)\n"
" - `r'` (at line 5, column 10)">>,
<<?Pos(26, 7)
"Repeated name x in pattern\n"
" x :: x (at line 26, column 7)">>,
"Repeated name `x` in the pattern `x :: x`">>,
<<?Pos(44, 14)
"Repeated names x, y in pattern\n"
" (x : int, y, x : string, y : bool) (at line 44, column 14)">>,
"Repeated names `x`, `y` in the pattern `(x : int, y, x : string, y : bool)`">>,
<<?Pos(44, 39)
"Cannot unify int\n"
" and string\n"
"when checking the type of the expression at line 44, column 39\n"
" x : int\n"
"against the expected type\n"
" string">>,
"Cannot unify `int` and `string`\n"
"when checking the type of the expression `x : int` "
"against the expected type `string`">>,
<<?Pos(44, 72)
"Cannot unify int\n"
" and string\n"
"when checking the type of the expression at line 44, column 72\n"
" x : int\n"
"against the expected type\n"
" string">>,
"Cannot unify `int` and `string`\n"
"when checking the type of the expression `x : int` "
"against the expected type `string`">>,
<<?Pos(14, 24)
"No record type with fields y, z (at line 14, column 24)">>,
"No record type with fields `y`, `z`">>,
<<?Pos(15, 26)
"The field z is missing when constructing an element of type r2 (at line 15, column 26)">>,
"The field `z` is missing when constructing an element of type `r2`">>,
<<?Pos(15, 24)
"Record type r2 does not have field y (at line 15, column 24)">>,
"Record type `r2` does not have field `y`">>,
<<?Pos(47, 5)
"Let binding at line 47, column 5 must be followed by an expression">>,
"Let binding must be followed by an expression.">>,
<<?Pos(50, 5)
"Let binding at line 50, column 5 must be followed by an expression">>,
"Let binding must be followed by an expression.">>,
<<?Pos(54, 5)
"Let binding at line 54, column 5 must be followed by an expression">>,
"Let binding must be followed by an expression.">>,
<<?Pos(58, 5)
"Let binding at line 58, column 5 must be followed by an expression">>,
"Let binding must be followed by an expression.">>,
<<?Pos(63, 5)
"Cannot unify int\n"
" and bool\n"
"when checking the type of the expression at line 63, column 5\n"
" id(n) : int\n"
"against the expected type\n"
" bool">>])
"Cannot unify `int` and `bool`\n"
"when checking the type of the expression `id(n) : int` "
"against the expected type `bool`">>])
, ?TYPE_ERROR(init_type_error,
[<<?Pos(7, 3)
"Cannot unify string\n"
" and map(int, int)\n"
"when checking that 'init' returns a value of type 'state' at line 7, column 3">>])
"Cannot unify `string` and `map(int, int)`\n"
"when checking that `init` returns a value of type `state`">>])
, ?TYPE_ERROR(missing_state_type,
[<<?Pos(5, 3)
"Cannot unify string\n"
" and unit\n"
"when checking that 'init' returns a value of type 'state' at line 5, column 3">>])
"Cannot unify `string` and `unit`\n"
"when checking that `init` returns a value of type `state`">>])
, ?TYPE_ERROR(missing_fields_in_record_expression,
[<<?Pos(7, 42)
"The field x is missing when constructing an element of type r('a) (at line 7, column 42)">>,
"The field `x` is missing when constructing an element of type `r('a)`">>,
<<?Pos(8, 42)
"The field y is missing when constructing an element of type r(int) (at line 8, column 42)">>,
"The field `y` is missing when constructing an element of type `r(int)`">>,
<<?Pos(6, 42)
"The fields y, z are missing when constructing an element of type r('a) (at line 6, column 42)">>])
"The fields `y`, `z` are missing when constructing an element of type `r('a)`">>])
, ?TYPE_ERROR(namespace_clash,
[<<?Pos(4, 10)
"The contract Call (at line 4, column 10) has the same name as a namespace at (builtin location)">>])
"The contract `Call` has the same name as a namespace at (builtin location)">>])
, ?TYPE_ERROR(bad_events,
[<<?Pos(9, 25)
"The indexed type string (at line 9, column 25) is not a word type">>,
"The indexed type `string` is not a word type">>,
<<?Pos(10, 25)
"The indexed type alias_string (at line 10, column 25) equals string which is not a word type">>])
"The indexed type `alias_string` equals `string` which is not a word type">>])
, ?TYPE_ERROR(bad_events2,
[<<?Pos(9, 7)
"The event constructor BadEvent1 (at line 9, column 7) has too many non-indexed values (max 1)">>,
"The event constructor `BadEvent1` has too many non-indexed values (max 1)">>,
<<?Pos(10, 7)
"The event constructor BadEvent2 (at line 10, column 7) has too many indexed values (max 3)">>])
"The event constructor `BadEvent2` has too many indexed values (max 3)">>])
, ?TYPE_ERROR(type_clash,
[<<?Pos(12, 42)
"Cannot unify int\n"
" and string\n"
"when checking the type of the expression at line 12, column 42\n"
" r.foo() : map(int, string)\n"
"against the expected type\n"
" map(string, int)">>])
"Cannot unify `int` and `string`\n"
"when checking the type of the expression `r.foo() : map(int, string)` "
"against the expected type `map(string, int)`">>])
, ?TYPE_ERROR(not_toplevel_include,
[<<?Pos(2, 11)
"Include of 'included.aes' at line 2, column 11\nnot allowed, include only allowed at top level.">>])
"Include of `included.aes` is not allowed, include only allowed at top level.">>])
, ?TYPE_ERROR(not_toplevel_namespace,
[<<?Pos(2, 13)
"Nested namespaces are not allowed\nNamespace 'Foo' at line 2, column 13 not defined at top level.">>])
"Nested namespaces are not allowed. Namespace `Foo` is not defined at top level.">>])
, ?TYPE_ERROR(not_toplevel_contract,
[<<?Pos(2, 12)
"Nested contracts are not allowed\nContract 'Con' at line 2, column 12 not defined at top level.">>])
"Nested contracts are not allowed. Contract `Con` is not defined at top level.">>])
, ?TYPE_ERROR(bad_address_literals,
[<<?Pos(11, 5)
"Cannot unify address\n"
" and oracle(int, bool)\n"
"when checking the type of the expression at line 11, column 5\n"
" ak_2gx9MEFxKvY9vMG5YnqnXWv1hCsX7rgnfvBLJS4aQurustR1rt : address\n"
"against the expected type\n"
" oracle(int, bool)">>,
"Cannot unify `address` and `oracle(int, bool)`\n"
"when checking the type of the expression `ak_2gx9MEFxKvY9vMG5YnqnXWv1hCsX7rgnfvBLJS4aQurustR1rt : address` "
"against the expected type `oracle(int, bool)`">>,
<<?Pos(9, 5)
"Cannot unify address\n"
" and Remote\n"
"when checking the type of the expression at line 9, column 5\n"
" ak_2gx9MEFxKvY9vMG5YnqnXWv1hCsX7rgnfvBLJS4aQurustR1rt : address\n"
"against the expected type\n"
" Remote">>,
"Cannot unify `address` and `Remote`\n"
"when checking the type of the expression `ak_2gx9MEFxKvY9vMG5YnqnXWv1hCsX7rgnfvBLJS4aQurustR1rt : address` "
"against the expected type `Remote`">>,
<<?Pos(7, 5)
"Cannot unify address\n"
" and bytes(32)\n"
"when checking the type of the expression at line 7, column 5\n"
" ak_2gx9MEFxKvY9vMG5YnqnXWv1hCsX7rgnfvBLJS4aQurustR1rt : address\n"
"against the expected type\n"
" bytes(32)">>,
"Cannot unify `address` and `bytes(32)`\n"
"when checking the type of the expression `ak_2gx9MEFxKvY9vMG5YnqnXWv1hCsX7rgnfvBLJS4aQurustR1rt : address` "
"against the expected type `bytes(32)`">>,
<<?Pos(14, 5)
"Cannot unify oracle('a, 'b)\n"
" and oracle_query(int, bool)\n"
"when checking the type of the expression at line 14, column 5\n"
" ok_2YNyxd6TRJPNrTcEDCe9ra59SVUdp9FR9qWC5msKZWYD9bP9z5 :\n"
" oracle('a, 'b)\n"
"against the expected type\n"
" oracle_query(int, bool)">>,
"Cannot unify `oracle('a, 'b)` and `oracle_query(int, bool)`\n"
"when checking the type of the expression "
"`ok_2YNyxd6TRJPNrTcEDCe9ra59SVUdp9FR9qWC5msKZWYD9bP9z5 : oracle('a, 'b)` "
"against the expected type `oracle_query(int, bool)`">>,
<<?Pos(16, 5)
"Cannot unify oracle('c, 'd)\n"
" and bytes(32)\n"
"when checking the type of the expression at line 16, column 5\n"
" ok_2YNyxd6TRJPNrTcEDCe9ra59SVUdp9FR9qWC5msKZWYD9bP9z5 :\n"
" oracle('c, 'd)\n"
"against the expected type\n"
" bytes(32)">>,
"Cannot unify `oracle('c, 'd)` and `bytes(32)`\n"
"when checking the type of the expression "
"`ok_2YNyxd6TRJPNrTcEDCe9ra59SVUdp9FR9qWC5msKZWYD9bP9z5 : oracle('c, 'd)` "
"against the expected type `bytes(32)`">>,
<<?Pos(18, 5)
"Cannot unify oracle('e, 'f)\n"
" and Remote\n"
"when checking the type of the expression at line 18, column 5\n"
" ok_2YNyxd6TRJPNrTcEDCe9ra59SVUdp9FR9qWC5msKZWYD9bP9z5 :\n"
" oracle('e, 'f)\n"
"against the expected type\n"
" Remote">>,
"Cannot unify `oracle('e, 'f)` and `Remote`\n"
"when checking the type of the expression "
"`ok_2YNyxd6TRJPNrTcEDCe9ra59SVUdp9FR9qWC5msKZWYD9bP9z5 : oracle('e, 'f)` "
"against the expected type `Remote`">>,
<<?Pos(21, 5)
"Cannot unify oracle_query('g, 'h)\n"
" and oracle(int, bool)\n"
"when checking the type of the expression at line 21, column 5\n"
" oq_2oRvyowJuJnEkxy58Ckkw77XfWJrmRgmGaLzhdqb67SKEL1gPY :\n"
" oracle_query('g, 'h)\n"
"against the expected type\n"
" oracle(int, bool)">>,
"Cannot unify `oracle_query('g, 'h)` and `oracle(int, bool)`\n"
"when checking the type of the expression "
"`oq_2oRvyowJuJnEkxy58Ckkw77XfWJrmRgmGaLzhdqb67SKEL1gPY : oracle_query('g, 'h)` "
"against the expected type `oracle(int, bool)`">>,
<<?Pos(23, 5)
"Cannot unify oracle_query('i, 'j)\n"
" and bytes(32)\n"
"when checking the type of the expression at line 23, column 5\n"
" oq_2oRvyowJuJnEkxy58Ckkw77XfWJrmRgmGaLzhdqb67SKEL1gPY :\n"
" oracle_query('i, 'j)\n"
"against the expected type\n"
" bytes(32)">>,
"Cannot unify `oracle_query('i, 'j)` and `bytes(32)`\n"
"when checking the type of the expression "
"`oq_2oRvyowJuJnEkxy58Ckkw77XfWJrmRgmGaLzhdqb67SKEL1gPY : oracle_query('i, 'j)` "
"against the expected type `bytes(32)`">>,
<<?Pos(25, 5)
"Cannot unify oracle_query('k, 'l)\n"
" and Remote\n"
"when checking the type of the expression at line 25, column 5\n"
" oq_2oRvyowJuJnEkxy58Ckkw77XfWJrmRgmGaLzhdqb67SKEL1gPY :\n"
" oracle_query('k, 'l)\n"
"against the expected type\n"
" Remote">>,
"Cannot unify `oracle_query('k, 'l)` and `Remote`\n"
"when checking the type of the expression "
"`oq_2oRvyowJuJnEkxy58Ckkw77XfWJrmRgmGaLzhdqb67SKEL1gPY : oracle_query('k, 'l)` "
"against the expected type `Remote`">>,
<<?Pos(28, 5)
"The type address is not a contract type\n"
"when checking that the contract literal\n"
" ct_Ez6MyeTMm17YnTnDdHTSrzMEBKmy7Uz2sXu347bTDPgVH2ifJ\n"
"has the type\n"
" address">>,
"The type `address` is not a contract type\n"
"when checking that the contract literal "
"`ct_Ez6MyeTMm17YnTnDdHTSrzMEBKmy7Uz2sXu347bTDPgVH2ifJ` "
"has the type `address`">>,
<<?Pos(30, 5)
"The type oracle(int, bool) is not a contract type\n"
"when checking that the contract literal\n"
" ct_Ez6MyeTMm17YnTnDdHTSrzMEBKmy7Uz2sXu347bTDPgVH2ifJ\n"
"has the type\n"
" oracle(int, bool)">>,
"The type `oracle(int, bool)` is not a contract type\n"
"when checking that the contract literal "
"`ct_Ez6MyeTMm17YnTnDdHTSrzMEBKmy7Uz2sXu347bTDPgVH2ifJ` "
"has the type `oracle(int, bool)`">>,
<<?Pos(32, 5)
"The type bytes(32) is not a contract type\n"
"when checking that the contract literal\n"
" ct_Ez6MyeTMm17YnTnDdHTSrzMEBKmy7Uz2sXu347bTDPgVH2ifJ\n"
"has the type\n"
" bytes(32)">>,
"The type `bytes(32)` is not a contract type\n"
"when checking that the contract literal "
"`ct_Ez6MyeTMm17YnTnDdHTSrzMEBKmy7Uz2sXu347bTDPgVH2ifJ` "
"has the type `bytes(32)`">>,
<<?Pos(34, 5),
"The type address is not a contract type\n"
"when checking that the call to\n"
" Address.to_contract\n"
"has the type\n"
" address">>])
"The type `address` is not a contract type\n"
"when checking that the call to `Address.to_contract` "
"has the type `address`">>])
, ?TYPE_ERROR(stateful,
[<<?Pos(13, 35)
"Cannot reference stateful function Chain.spend (at line 13, column 35)\nin the definition of non-stateful function fail1.">>,
"Cannot reference stateful function `Chain.spend` in the definition of non-stateful function `fail1`.">>,
<<?Pos(14, 35)
"Cannot reference stateful function local_spend (at line 14, column 35)\nin the definition of non-stateful function fail2.">>,
"Cannot reference stateful function `local_spend` in the definition of non-stateful function `fail2`.">>,
<<?Pos(16, 15)
"Cannot reference stateful function Chain.spend (at line 16, column 15)\nin the definition of non-stateful function fail3.">>,
"Cannot reference stateful function `Chain.spend` in the definition of non-stateful function `fail3`.">>,
<<?Pos(20, 31)
"Cannot reference stateful function Chain.spend (at line 20, column 31)\nin the definition of non-stateful function fail4.">>,
"Cannot reference stateful function `Chain.spend` in the definition of non-stateful function `fail4`.">>,
<<?Pos(35, 47)
"Cannot reference stateful function Chain.spend (at line 35, column 47)\nin the definition of non-stateful function fail5.">>,
"Cannot reference stateful function `Chain.spend` in the definition of non-stateful function `fail5`.">>,
<<?Pos(48, 57)
"Cannot pass non-zero value argument 1000 (at line 48, column 57)\nin the definition of non-stateful function fail6.">>,
"Cannot pass non-zero value argument `1000` in the definition of non-stateful function `fail6`.">>,
<<?Pos(49, 56)
"Cannot pass non-zero value argument 1000 (at line 49, column 56)\nin the definition of non-stateful function fail7.">>,
"Cannot pass non-zero value argument `1000` in the definition of non-stateful function `fail7`.">>,
<<?Pos(52, 17)
"Cannot pass non-zero value argument 1000 (at line 52, column 17)\nin the definition of non-stateful function fail8.">>])
"Cannot pass non-zero value argument `1000` in the definition of non-stateful function `fail8`.">>])
, ?TYPE_ERROR(bad_init_state_access,
[<<?Pos(11, 5)
"The init function should return the initial state as its result and cannot write the state,\n"
"The `init` function should return the initial state as its result and cannot write the state, "
"but it calls\n"
" - set_state (at line 11, column 5), which calls\n"
" - roundabout (at line 8, column 38), which calls\n"
" - put (at line 7, column 39)">>,
" - `set_state` (at line 11, column 5), which calls\n"
" - `roundabout` (at line 8, column 38), which calls\n"
" - `put` (at line 7, column 39)">>,
<<?Pos(12, 5)
"The init function should return the initial state as its result and cannot read the state,\n"
"The `init` function should return the initial state as its result and cannot read the state, "
"but it calls\n"
" - new_state (at line 12, column 5), which calls\n"
" - state (at line 5, column 29)">>,
" - `new_state` (at line 12, column 5), which calls\n"
" - `state` (at line 5, column 29)">>,
<<?Pos(13, 13)
"The init function should return the initial state as its result and cannot read the state,\n"
"The `init` function should return the initial state as its result and cannot read the state, "
"but it calls\n"
" - state (at line 13, column 13)">>])
" - `state` (at line 13, column 13)">>])
, ?TYPE_ERROR(modifier_checks,
[<<?Pos(11, 3)
"The function all_the_things (at line 11, column 3) cannot be both public and private.">>,
"The function `all_the_things` cannot be both public and private.">>,
<<?Pos(3, 3)
"Namespaces cannot contain entrypoints (at line 3, column 3). Use 'function' instead.">>,
"Namespaces cannot contain entrypoints. Use `function` instead.">>,
<<?Pos(5, 10)
"The contract Remote (at line 5, column 10) has no entrypoints. Since Sophia version 3.2, public\ncontract functions must be declared with the 'entrypoint' keyword instead of\n'function'.">>,
"The contract `Remote` has no entrypoints. Since Sophia version 3.2, "
"public contract functions must be declared with the `entrypoint` "
"keyword instead of `function`.">>,
<<?Pos(12, 3)
"The entrypoint wha (at line 12, column 3) cannot be private. Use 'function' instead.">>,
"The entrypoint `wha` cannot be private. Use `function` instead.">>,
<<?Pos(6, 3)
"Use 'entrypoint' for declaration of foo (at line 6, column 3):\n entrypoint foo : () => unit">>,
"Use `entrypoint` for declaration of `foo`: `entrypoint foo : () => unit`">>,
<<?Pos(10, 3)
"Use 'entrypoint' instead of 'function' for public function foo (at line 10, column 3):\n entrypoint foo() = ()">>,
"Use `entrypoint` instead of `function` for public function `foo`: `entrypoint foo() = ()`">>,
<<?Pos(6, 3)
"Use 'entrypoint' instead of 'function' for public function foo (at line 6, column 3):\n entrypoint foo : () => unit">>])
"Use `entrypoint` instead of `function` for public function `foo`: `entrypoint foo : () => unit`">>])
, ?TYPE_ERROR(list_comp_not_a_list,
[<<?Pos(2, 36)
"Cannot unify int\n and list('a)\nwhen checking rvalue of list comprehension binding at line 2, column 36\n 1 : int\nagainst type \n list('a)">>
"Cannot unify `int` and `list('a)`\n"
"when checking rvalue of list comprehension binding `1 : int` against type `list('a)`">>
])
, ?TYPE_ERROR(list_comp_if_not_bool,
[<<?Pos(2, 44)
"Cannot unify int\n and bool\nwhen checking the type of the expression at line 2, column 44\n 3 : int\nagainst the expected type\n bool">>
"Cannot unify `int` and `bool`\n"
"when checking the type of the expression `3 : int` against the expected type `bool`">>
])
, ?TYPE_ERROR(list_comp_bad_shadow,
[<<?Pos(2, 53)
"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` and `string`\n"
"when checking the type of the pattern `x : int` against the expected type `string`">>
])
, ?TYPE_ERROR(map_as_map_key,
[<<?Pos(5, 47)
"Invalid key type\n"
" map(int, int)\n"
"Invalid key type `map(int, int)`\n"
"Map keys cannot contain other maps.">>,
<<?Pos(6, 31)
"Invalid key type\n"
" list(map(int, int))\n"
"Invalid key type `list(map(int, int))`\n"
"Map keys cannot contain other maps.">>,
<<?Pos(6, 31)
"Invalid key type\n"
" lm\n"
"Invalid key type `lm`\n"
"Map keys cannot contain other maps.">>])
, ?TYPE_ERROR(calling_init_function,
[<<?Pos(7, 28)
"The 'init' function is called exclusively by the create contract transaction\n"
"The 'init' function is called exclusively by the create contract transaction "
"and cannot be called from the contract code.">>])
, ?TYPE_ERROR(bad_top_level_decl,
[<<?Pos(1, 1) "The definition of 'square' must appear inside a contract or namespace.">>])
, ?TYPE_ERROR(missing_event_type,
[<<?Pos(3, 5)
"Unbound variable Chain.event at line 3, column 5\n"
"Unbound variable `Chain.event`\n"
"Did you forget to define the event type?">>])
, ?TYPE_ERROR(bad_bytes_concat,
[<<?Pos(12, 40)
@ -675,12 +612,9 @@ failing_contracts() ->
"and result type\n"
" - 'f (at line 13, column 14)">>,
<<?Pos(15, 5)
"Cannot unify bytes(26)\n"
" and bytes(25)\n"
"when checking the type of the expression at line 15, column 5\n"
" Bytes.concat(x, y) : bytes(26)\n"
"against the expected type\n"
" bytes(25)">>,
"Cannot unify `bytes(26)` and `bytes(25)`\n"
"when checking the type of the expression `Bytes.concat(x, y) : bytes(26)` "
"against the expected type `bytes(25)`">>,
<<?Pos(17, 5)
"Failed to resolve byte array lengths in call to Bytes.concat with arguments of type\n"
" - bytes(6) (at line 16, column 24)\n"
@ -710,73 +644,63 @@ failing_contracts() ->
" - 'a (at line 18, column 37)">>])
, ?TYPE_ERROR(wrong_compiler_version,
[<<?Pos(1, 1)
"Cannot compile with this version of the compiler,\n"
"Cannot compile with this version of the compiler, "
"because it does not satisfy the constraint ", Version/binary, " < 1.0">>,
<<?Pos(2, 1)
"Cannot compile with this version of the compiler,\n"
"Cannot compile with this version of the compiler, "
"because it does not satisfy the constraint ", Version/binary, " == 9.9.9">>])
, ?TYPE_ERROR(interface_with_defs,
[<<?Pos(2, 3)
"Contract interfaces cannot contain defined functions or entrypoints.\n"
"Fix: replace the definition of 'foo' by a type signature.">>])
"Fix: replace the definition of `foo` by a type signature.">>])
, ?TYPE_ERROR(contract_as_namespace,
[<<?Pos(5, 28)
"Invalid call to contract entrypoint 'Foo.foo'.\n"
"It must be called as 'c.foo' for some c : Foo.">>])
"Invalid call to contract entrypoint `Foo.foo`.\n"
"It must be called as `c.foo` for some `c : Foo`.">>])
, ?TYPE_ERROR(toplevel_let,
[<<?Pos(2, 7)
"Toplevel \"let\" definitions are not supported\n"
"Value this_is_illegal at line 2, column 7 could be replaced by 0-argument function">>])
"Toplevel \"let\" definitions are not supported. "
"Value `this_is_illegal` could be replaced by 0-argument function.">>])
, ?TYPE_ERROR(empty_typedecl,
[<<?Pos(2, 8)
"Empty type declarations are not supported\n"
"Type t at line 2, column 8 lacks a definition">>])
"Empty type declarations are not supported. "
"Type `t` lacks a definition">>])
, ?TYPE_ERROR(higher_kinded_type,
[<<?Pos(2, 35)
"Type 'm is a higher kinded type variable\n"
"Type `'m` is a higher kinded type variable "
"(takes another type as an argument)">>])
, ?TYPE_ERROR(bad_arity,
[<<?Pos(3, 20)
"Arity for id doesn't match. Expected 1, got 0">>,
<<?Pos(3, 25)
"Cannot unify int\n"
" and id\n"
"when checking the type of the expression at line 3, column 25\n"
" 123 : int\n"
"against the expected type\n"
" id">>,
"Cannot unify `int` and `id`\n"
"when checking the type of the expression `123 : int` "
"against the expected type `id`">>,
<<?Pos(4, 20)
"Arity for id doesn't match. Expected 1, got 2">>,
<<?Pos(4, 35)
"Cannot unify int\n"
" and id(int, int)\n"
"when checking the type of the expression at line 4, column 35\n"
" 123 : int\n"
"against the expected type\n"
" id(int, int)">>])
"Cannot unify `int` and `id(int, int)`\n"
"when checking the type of the expression `123 : int` "
"against the expected type `id(int, int)`">>])
, ?TYPE_ERROR(bad_unnamed_map_update_default,
[<<?Pos(4, 17)
"Invalid map update with default">>])
, ?TYPE_ERROR(non_functional_entrypoint,
[<<?Pos(2, 14)
"f at line 2, column 14 was declared with an invalid type int.\n"
"`f` was declared with an invalid type `int`. "
"Entrypoints and functions must have functional types">>])
, ?TYPE_ERROR(bad_records,
[<<?Pos(3, 16)
"Mixed record fields and map keys in\n"
" {x = 0, [0] = 1}">>,
"Mixed record fields and map keys in `{x = 0, [0] = 1}`">>,
<<?Pos(4, 6)
"Mixed record fields and map keys in\n"
" r {x = 0, [0] = 1}">>,
"Mixed record fields and map keys in `r {x = 0, [0] = 1}`">>,
<<?Pos(5, 6)
"Empty record/map update\n"
" r {}">>
"Empty record/map update `r {}`">>
])
, ?TYPE_ERROR(bad_protected_call,
[<<?Pos(6, 22)
"Invalid 'protected' argument\n"
" (0 : int) == (1 : int) : bool\n"
"It must be either 'true' or 'false'.">>
"Invalid `protected` argument `(0 : int) == (1 : int) : bool`. "
"It must be either `true` or `false`.">>
])
, ?TYPE_ERROR(bad_function_block,
[<<?Pos(4, 5)
@ -790,25 +714,23 @@ failing_contracts() ->
])
, ?TYPE_ERROR(bad_number_of_args,
[<<?Pos(3, 39)
"Cannot unify () => unit\n"
" and (int) => 'a\n",
"when checking the application at line 3, column 39 of\n"
" f : () => unit\n"
"Cannot unify `() => unit` and `(int) => 'a`\n",
"when checking the application of\n"
" `f : () => unit`\n"
"to arguments\n"
" 1 : int">>,
" `1 : int`">>,
<<?Pos(4, 20)
"Cannot unify (int, string) => 'e\n"
" and (int) => 'd\n"
"when checking the application at line 4, column 20 of\n"
" g : (int, string) => 'e\n"
"Cannot unify `(int, string) => 'e` and `(int) => 'd`\n"
"when checking the application of\n"
" `g : (int, string) => 'e`\n"
"to arguments\n"
" 1 : int">>,
" `1 : int`">>,
<<?Pos(5, 20)
"Cannot unify (int, string) => 'c\n"
" and (string) => 'b\n"
"when checking the application at line 5, column 20 of\n"
" g : (int, string) => 'c\nto arguments\n"
" \"Litwo, ojczyzno moja\" : string">>
"Cannot unify `(int, string) => 'c` and `(string) => 'b`\n"
"when checking the application of\n"
" `g : (int, string) => 'c`\n"
"to arguments\n"
" `\"Litwo, ojczyzno moja\" : string`">>
])
, ?TYPE_ERROR(bad_state,
[<<?Pos(4, 16)
@ -817,22 +739,22 @@ failing_contracts() ->
[<<?Pos(10,18)
"Chain.clone requires `ref` named argument of contract type.">>,
<<?Pos(11,18)
"Cannot unify (gas : int, value : int, protected : bool) => if(protected, option(void), void)\n and (gas : int, value : int, protected : bool, int, bool) => 'b\n"
"Cannot unify `(gas : int, value : int, protected : bool) => if(protected, option(void), void)` and `(gas : int, value : int, protected : bool, int, bool) => 'b`\n"
"when checking contract construction of type\n (gas : int, value : int, protected : bool) =>\n if(protected, option(void), void) (at line 11, column 18)\nagainst the expected type\n (gas : int, value : int, protected : bool, int, bool) => 'b">>,
<<?Pos(12,37)
"Cannot unify int\n and bool\n"
"when checking named argument\n gas : int\nagainst inferred type\n bool">>,
"Cannot unify `int` and `bool`\n"
"when checking named argument `gas : int` against inferred type `bool`">>,
<<?Pos(13,18),
"Kaboom is not implemented.\n"
"when resolving arguments of variadic function\n Chain.create">>,
"when resolving arguments of variadic function `Chain.create`">>,
<<?Pos(18,18)
"Cannot unify (gas : int, value : int, protected : bool, int, bool) => if(protected, option(void), void)\n and (gas : int, value : int, protected : bool) => 'a\n"
"Cannot unify `(gas : int, value : int, protected : bool, int, bool) => if(protected, option(void), void)` and `(gas : int, value : int, protected : bool) => 'a`\n"
"when checking contract construction of type\n (gas : int, value : int, protected : bool, int, bool) =>\n if(protected, option(void), void) (at line 18, column 18)\nagainst the expected type\n (gas : int, value : int, protected : bool) => 'a">>,
<<?Pos(19,42),
"Named argument protected (at line 19, column 42) is not one of the expected named arguments\n - value : int">>,
"Named argument `protected` is not one of the expected named arguments\n - `value : int`">>,
<<?Pos(20,42),
"Cannot unify int\n and bool\n"
"when checking named argument\n value : int\nagainst inferred type\n bool">>
"Cannot unify `int` and `bool`\n"
"when checking named argument `value : int` against inferred type `bool`">>
])
, ?TYPE_ERROR(ambiguous_main,
[<<?Pos(1,1)
@ -847,16 +769,18 @@ failing_contracts() ->
"Only one main contract can be defined.">>
])
, ?TYPE_ERROR(using_namespace_ambiguous_name,
[ <<?Pos(2,3)
"Ambiguous name: Xa.f at line 2, column 3\nXb.f at line 5, column 3">>
[ <<?Pos(13,23)
"Ambiguous name `A.f` could be one of\n"
" - `Xa.f` (at line 2, column 3)\n"
" - `Xb.f` (at line 5, column 3)">>
, <<?Pos(13,23)
"Unbound variable A.f at line 13, column 23">>
"Unbound variable `A.f`">>
])
, ?TYPE_ERROR(using_namespace_wrong_scope,
[ <<?Pos(19,5)
"Unbound variable f at line 19, column 5">>
"Unbound variable `f`">>
, <<?Pos(21,23)
"Unbound variable f at line 21, column 23">>
"Unbound variable `f`">>
])
, ?TYPE_ERROR(using_namespace_undefined,
[<<?Pos(2,3)
@ -868,45 +792,47 @@ failing_contracts() ->
])
, ?TYPE_ERROR(using_namespace_hidden_parts,
[<<?Pos(8,23)
"Unbound variable g at line 8, column 23">>
"Unbound variable `g`">>
])
, ?TYPE_ERROR(stateful_pattern_guard,
[<<?Pos(8,12)
"Cannot reference stateful function g (at line 8, column 12) in a pattern guard.">>
"Cannot reference stateful function `g` in a pattern guard.">>
])
, ?TYPE_ERROR(non_boolean_pattern_guard,
[<<?Pos(4,24)
"Cannot unify string\n and bool\nwhen checking the type of the expression at line 4, column 24\n \"y\" : string\nagainst the expected type\n bool">>
"Cannot unify `string` and `bool`\n"
"when checking the type of the expression `\"y\" : string` "
"against the expected type `bool`">>
])
, ?TYPE_ERROR(warnings,
[<<?Pos(0, 0)
"The file Triple.aes is included but not used">>,
"The file `Triple.aes` is included but not used.">>,
<<?Pos(13, 3)
"The function h is defined at line 13, column 3 but never used">>,
"The function `h` is defined but never used.">>,
<<?Pos(19, 3)
"The type unused_type is defined at line 19, column 3 but never used">>,
"The type `unused_type` is defined but never used.">>,
<<?Pos(23, 54)
"Negative spend at line 23, column 54">>,
"Negative spend.">>,
<<?Pos(27, 9)
"The definition of x at line 27, column 9 shadows an older definition at line 26, column 9">>,
"The definition of `x` shadows an older definition at line 26, column 9.">>,
<<?Pos(30, 36)
"Division by zero at line 30, column 36">>,
"Division by zero.">>,
<<?Pos(32, 3)
"The function unused_stateful is unnecessarily marked as stateful at line 32, column 3">>,
"The function `unused_stateful` is unnecessarily marked as stateful.">>,
<<?Pos(35, 31)
"The variable unused_arg is defined at line 35, column 31 but never used">>,
"The variable `unused_arg` is defined but never used.">>,
<<?Pos(36, 9)
"The variable unused_var is defined at line 36, column 9 but never used">>,
"The variable `unused_var` is defined but never used.">>,
<<?Pos(41, 3)
"The function unused_function is defined at line 41, column 3 but never used">>,
"The function `unused_function` is defined but never used.">>,
<<?Pos(42, 3)
"The function recursive_unused_function is defined at line 42, column 3 but never used">>,
"The function `recursive_unused_function` is defined but never used.">>,
<<?Pos(43, 3)
"The function called_unused_function1 is defined at line 43, column 3 but never used">>,
"The function `called_unused_function1` is defined but never used.">>,
<<?Pos(44, 3)
"The function called_unused_function2 is defined at line 44, column 3 but never used">>,
"The function `called_unused_function2` is defined but never used.">>,
<<?Pos(48, 5)
"Unused return value at line 48, column 5">>
"Unused return value.">>
])
].