|
|
|
@ -1,42 +1,67 @@ |
|
|
|
%%% |
|
|
|
%%% General colour conventions mostly follow the same schema |
|
|
|
%%% that git uses: |
|
|
|
%%% |
|
|
|
%%% * cyan: files/lines or locations in general |
|
|
|
%%% * bold: important text i.e. the human parts of warnings |
|
|
|
%%% this allows quickly 'scanning' over a warning fading |
|
|
|
%%% out the cody bits |
|
|
|
%%% * red: things that went bad, i.e. the wrong argument in a |
|
|
|
%%% call. It allows to quickly catching where in the code |
|
|
|
%%% ane error is. |
|
|
|
%%% * green: the 'good' stuff, i.e. what was expected as an argument |
|
|
|
%%% the 'red vs green' resambles the diff view 'remove vs add' |
|
|
|
%%% * blue: argument positions. |
|
|
|
-module(rebar_dialyzer_format). |
|
|
|
|
|
|
|
-include("rebar.hrl"). |
|
|
|
|
|
|
|
-export([format/1]). |
|
|
|
|
|
|
|
|
|
|
|
format(Warning) -> |
|
|
|
Str = try |
|
|
|
format_warning(Warning, fullpath) |
|
|
|
catch |
|
|
|
Error:Reason -> |
|
|
|
?DEBUG("Failed to pretty format warning: ~p:~p", |
|
|
|
[Error, Reason]), |
|
|
|
dialyzer:format_warning(Warning, fullpath) |
|
|
|
end, |
|
|
|
case strip(Str) of |
|
|
|
":0: " ++ Unknown -> |
|
|
|
Unknown; |
|
|
|
Warning1 -> |
|
|
|
Warning1 |
|
|
|
end. |
|
|
|
-export([format_warnings/1]). |
|
|
|
|
|
|
|
%% Formats a list of warnings in a nice per file way. Note that we reverse |
|
|
|
%% the list at the end to 'undo' the reversal by foldl |
|
|
|
format_warnings(Warnings) -> |
|
|
|
{_, Res} = lists:foldl(fun format_warning_/2, {undefined, []}, Warnings), |
|
|
|
lists:reverse(Res). |
|
|
|
|
|
|
|
|
|
|
|
%% If the last seen file is and the file of this warning are the same |
|
|
|
%% we skip the file header |
|
|
|
format_warning_(Warning = {_Tag, {File, Line}, Msg}, {File, Acc}) -> |
|
|
|
try |
|
|
|
String = message_to_string(Msg), |
|
|
|
{File, [lists:flatten(fmt("~!c~4w~!!: ~s", [Line, String])) | Acc]} |
|
|
|
catch |
|
|
|
Error:Reason -> |
|
|
|
?DEBUG("Failed to pretty format warning: ~p:~p", |
|
|
|
[Error, Reason]), |
|
|
|
{File, [dialyzer:format_warning(Warning, fullpath) | Acc]} |
|
|
|
end; |
|
|
|
|
|
|
|
strip(Warning) -> |
|
|
|
string:strip(Warning, right, $\n). |
|
|
|
%% With a new file detencted we also write a file header. |
|
|
|
format_warning_(Warning = {_Tag, {File, Line}, Msg}, {_LastFile, Acc}) -> |
|
|
|
try |
|
|
|
Base = filename:basename(File), |
|
|
|
Dir = filename:dirname(File), |
|
|
|
Root = filename:rootname(Base), |
|
|
|
Ext = filename:extension(Base), |
|
|
|
Path = re:replace(Dir, "^.*/_build/", "_build/", [{return, list}]), |
|
|
|
Base1 = fmt("~!_c~s~!!~!__~s", [Root, Ext]), |
|
|
|
F = fmt("~!__~s", [filename:join(Path, Base1)]), |
|
|
|
String = message_to_string(Msg), |
|
|
|
{File, [lists:flatten(fmt("~n~s~n~!c~4w~!!: ~s", [F, Line, String])) | Acc]} |
|
|
|
catch |
|
|
|
Error:Reason -> |
|
|
|
?DEBUG("Failed to pretty format warning: ~p:~p~n~p", |
|
|
|
[Error, Reason, erlang:get_stacktrace()]), |
|
|
|
{File, [dialyzer:format_warning(Warning, fullpath) | Acc]} |
|
|
|
end. |
|
|
|
|
|
|
|
fmt(Fmt) -> |
|
|
|
cf:format(Fmt, []). |
|
|
|
fmt(Fmt, Args) -> |
|
|
|
cf:format(Fmt, Args). |
|
|
|
|
|
|
|
format_warning({Tag, {File, Line, _MFA}, Msg}, FOpt) -> |
|
|
|
format_warning({Tag, {File, Line}, Msg}, FOpt); |
|
|
|
format_warning({_Tag, {File, Line}, Msg}, fullpath) when is_list(File), |
|
|
|
is_integer(Line) -> |
|
|
|
F = re:replace(File, "^.*/_build/", "_build/"), |
|
|
|
String = lists:flatten(message_to_string(Msg)), |
|
|
|
lists:flatten(fmt("~s:~w~n~s", [F, Line, String])). |
|
|
|
|
|
|
|
%%----------------------------------------------------------------------------- |
|
|
|
%% Message classification and pretty-printing below. Messages appear in |
|
|
|
%% categories and in more or less alphabetical ordering within each category. |
|
|
|
@ -50,49 +75,48 @@ message_to_string({apply, [Args, ArgNs, FailReason, |
|
|
|
call_or_apply_to_string(ArgNs, FailReason, SigArgs, SigRet, Contract); |
|
|
|
message_to_string({app_call, [M, F, Args, Culprit, ExpectedType, FoundType]}) -> |
|
|
|
fmt("~!^The call~!! ~s:~s~s ~!^requires that" |
|
|
|
"~!! ~s ~!^is of type ~!g~s~!^ not ~!r~s" |
|
|
|
"~!!\n", |
|
|
|
"~!! ~s ~!^is of type ~!g~s~!^ not ~!r~s", |
|
|
|
[M, F, Args, Culprit, ExpectedType, FoundType]); |
|
|
|
message_to_string({bin_construction, [Culprit, Size, Seg, Type]}) -> |
|
|
|
fmt("~!^Binary construction will fail since the ~!b~s~!^ field~!!" |
|
|
|
" ~s~!^ in segment~!! ~s~!^ has type~!! ~s\n", |
|
|
|
" ~s~!^ in segment~!! ~s~!^ has type~!! ~s", |
|
|
|
[Culprit, Size, Seg, Type]); |
|
|
|
message_to_string({call, [M, F, Args, ArgNs, FailReason, |
|
|
|
SigArgs, SigRet, Contract]}) -> |
|
|
|
fmt("~!^The call~!! ~w:~w~s ", [M, F, bad_arg(ArgNs, Args)]) ++ |
|
|
|
call_or_apply_to_string(ArgNs, FailReason, SigArgs, SigRet, Contract); |
|
|
|
message_to_string({call_to_missing, [M, F, A]}) -> |
|
|
|
fmt("~!^Call to missing or unexported function ~!!~w:~w/~w\n", |
|
|
|
fmt("~!^Call to missing or unexported function ~!!~w:~w/~w", |
|
|
|
[M, F, A]); |
|
|
|
message_to_string({exact_eq, [Type1, Op, Type2]}) -> |
|
|
|
fmt("~!^The test ~!!~s ~s ~s~!^ can never evaluate to 'true'\n", |
|
|
|
fmt("~!^The test ~!!~s ~s ~s~!^ can never evaluate to 'true'", |
|
|
|
[Type1, Op, Type2]); |
|
|
|
message_to_string({fun_app_args, [Args, Type]}) -> |
|
|
|
fmt("~!^Fun application with arguments ~!!~s~!^ will fail" |
|
|
|
" since the function has type ~!!~s\n", [Args, Type]); |
|
|
|
" since the function has type ~!!~s", [Args, Type]); |
|
|
|
message_to_string({fun_app_no_fun, [Op, Type, Arity]}) -> |
|
|
|
fmt("~!^Fun application will fail since ~!!~s ~!^::~!! ~s" |
|
|
|
" is not a function of arity ~!!~w\n", [Op, Type, Arity]); |
|
|
|
" is not a function of arity ~!!~w", [Op, Type, Arity]); |
|
|
|
message_to_string({guard_fail, []}) -> |
|
|
|
"~!^Clause guard cannot succeed.\n~!!"; |
|
|
|
"~!^Clause guard cannot succeed.~!!"; |
|
|
|
message_to_string({guard_fail, [Arg1, Infix, Arg2]}) -> |
|
|
|
fmt("~!^Guard test ~!!~s ~s ~s~!^ can never succeed\n", |
|
|
|
fmt("~!^Guard test ~!!~s ~s ~s~!^ can never succeed", |
|
|
|
[Arg1, Infix, Arg2]); |
|
|
|
message_to_string({neg_guard_fail, [Arg1, Infix, Arg2]}) -> |
|
|
|
fmt("~!^Guard test not(~!!~s ~s ~s~!^) can never succeed\n", |
|
|
|
fmt("~!^Guard test not(~!!~s ~s ~s~!^) can never succeed", |
|
|
|
[Arg1, Infix, Arg2]); |
|
|
|
message_to_string({guard_fail, [Guard, Args]}) -> |
|
|
|
fmt("~!^Guard test ~!!~w~s~!^ can never succeed\n", |
|
|
|
fmt("~!^Guard test ~!!~w~s~!^ can never succeed", |
|
|
|
[Guard, Args]); |
|
|
|
message_to_string({neg_guard_fail, [Guard, Args]}) -> |
|
|
|
fmt("~!^Guard test not(~!!~w~s~!^) can never succeed\n", |
|
|
|
fmt("~!^Guard test not(~!!~w~s~!^) can never succeed", |
|
|
|
[Guard, Args]); |
|
|
|
message_to_string({guard_fail_pat, [Pat, Type]}) -> |
|
|
|
fmt("~!^Clause guard cannot succeed. The ~!!~s~!^ was matched" |
|
|
|
" against the type ~!!~s\n", [Pat, Type]); |
|
|
|
" against the type ~!!~s", [Pat, Type]); |
|
|
|
message_to_string({improper_list_constr, [TlType]}) -> |
|
|
|
fmt("~!^Cons will produce an improper list" |
|
|
|
" since its ~!b2~!!nd~!^ argument is~!! ~s\n", [TlType]); |
|
|
|
" since its ~!b2~!!nd~!^ argument is~!! ~s", [TlType]); |
|
|
|
message_to_string({no_return, [Type|Name]}) -> |
|
|
|
NameString = |
|
|
|
case Name of |
|
|
|
@ -100,133 +124,133 @@ message_to_string({no_return, [Type|Name]}) -> |
|
|
|
[F, A] -> fmt("~!^Function ~!r~w/~w ", [F, A]) |
|
|
|
end, |
|
|
|
case Type of |
|
|
|
no_match -> fmt("~s~!^has no clauses that will ever match\n",[NameString]); |
|
|
|
only_explicit -> fmt("~s~!^only terminates with explicit exception\n", [NameString]); |
|
|
|
only_normal -> fmt("~s~!^has no local return\n", [NameString]); |
|
|
|
both -> fmt("~s~!^has no local return\n", [NameString]) |
|
|
|
no_match -> fmt("~s~!^has no clauses that will ever match",[NameString]); |
|
|
|
only_explicit -> fmt("~s~!^only terminates with explicit exception", [NameString]); |
|
|
|
only_normal -> fmt("~s~!^has no local return", [NameString]); |
|
|
|
both -> fmt("~s~!^has no local return", [NameString]) |
|
|
|
end; |
|
|
|
message_to_string({record_constr, [RecConstr, FieldDiffs]}) -> |
|
|
|
fmt("~!^Record construction ~!!~s~!^ violates the" |
|
|
|
" declared type of field ~!!~s\n", [RecConstr, FieldDiffs]); |
|
|
|
" declared type of field ~!!~s", [RecConstr, FieldDiffs]); |
|
|
|
message_to_string({record_constr, [Name, Field, Type]}) -> |
|
|
|
fmt("~!^Record construction violates the declared type for ~!!#~w{}~!^" |
|
|
|
" since ~!!~s~!^ cannot be of type ~!!~s\n", |
|
|
|
" since ~!!~s~!^ cannot be of type ~!!~s", |
|
|
|
[Name, Field, Type]); |
|
|
|
message_to_string({record_matching, [String, Name]}) -> |
|
|
|
fmt("~!^The ~!!~s~!^ violates the" |
|
|
|
" declared type for ~!!#~w{}\n", [String, Name]); |
|
|
|
" declared type for ~!!#~w{}", [String, Name]); |
|
|
|
message_to_string({record_match, [Pat, Type]}) -> |
|
|
|
fmt("~!^Matching of ~!!~s~!^ tagged with a record name violates the" |
|
|
|
" declared type of ~!!~s\n", [Pat, Type]); |
|
|
|
" declared type of ~!!~s", [Pat, Type]); |
|
|
|
message_to_string({pattern_match, [Pat, Type]}) -> |
|
|
|
fmt("~!^The ~s~!^ can never match the type ~!g~s\n", |
|
|
|
fmt("~!^The ~s~!^ can never match the type ~!g~s", |
|
|
|
[bad_pat(Pat), Type]); |
|
|
|
message_to_string({pattern_match_cov, [Pat, Type]}) -> |
|
|
|
fmt("~!^The ~s~!^ can never match since previous" |
|
|
|
" clauses completely covered the type ~!g~s\n", |
|
|
|
" clauses completely covered the type ~!g~s", |
|
|
|
[bad_pat(Pat), Type]); |
|
|
|
message_to_string({unmatched_return, [Type]}) -> |
|
|
|
fmt("~!^Expression produces a value of type ~!!~s~!^," |
|
|
|
" but this value is unmatched\n", [Type]); |
|
|
|
" but this value is unmatched", [Type]); |
|
|
|
message_to_string({unused_fun, [F, A]}) -> |
|
|
|
fmt("~!^Function ~!r~w/~w~!^ will never be called\n", [F, A]); |
|
|
|
fmt("~!^Function ~!r~w/~w~!!~!^ will never be called", [F, A]); |
|
|
|
%%----- Warnings for specs and contracts ------------------- |
|
|
|
message_to_string({contract_diff, [M, F, _A, Contract, Sig]}) -> |
|
|
|
fmt("~!^Type specification ~!!~w:~w~s~!^" |
|
|
|
" is not equal to the success typing: ~!!~w:~w~s\n", |
|
|
|
" is not equal to the success typing: ~!!~w:~w~s", |
|
|
|
[M, F, Contract, M, F, Sig]); |
|
|
|
message_to_string({contract_subtype, [M, F, _A, Contract, Sig]}) -> |
|
|
|
fmt("~!^Type specification ~!!~w:~w~s~!^" |
|
|
|
" is a subtype of the success typing: ~!!~w:~w~s\n", |
|
|
|
" is a subtype of the success typing: ~!!~w:~w~s", |
|
|
|
[M, F, Contract, M, F, Sig]); |
|
|
|
message_to_string({contract_supertype, [M, F, _A, Contract, Sig]}) -> |
|
|
|
fmt("~!^Type specification ~!!~w:~w~s~!^" |
|
|
|
" is a supertype of the success typing: ~!!~w:~w~s\n", |
|
|
|
" is a supertype of the success typing: ~!!~w:~w~s", |
|
|
|
[M, F, Contract, M, F, Sig]); |
|
|
|
message_to_string({contract_range, [Contract, M, F, ArgStrings, Line, CRet]}) -> |
|
|
|
fmt("~!^The contract ~!!~w:~w~s~!^ cannot be right because the" |
|
|
|
" inferred return for ~!!~w~s~!^ on line ~!!~w~!^ is ~!!~s\n", |
|
|
|
" inferred return for ~!!~w~s~!^ on line ~!!~w~!^ is ~!!~s", |
|
|
|
[M, F, Contract, F, ArgStrings, Line, CRet]); |
|
|
|
message_to_string({invalid_contract, [M, F, A, Sig]}) -> |
|
|
|
fmt("~!^Invalid type specification for function~!! ~w:~w/~w." |
|
|
|
"~!^ The success typing is~!! ~s\n", [M, F, A, Sig]); |
|
|
|
"~!^ The success typing is~!! ~s", [M, F, A, Sig]); |
|
|
|
message_to_string({extra_range, [M, F, A, ExtraRanges, SigRange]}) -> |
|
|
|
fmt("~!^The specification for ~!!~w:~w/~w~!^ states that the function" |
|
|
|
" might also return ~!!~s~!^ but the inferred return is ~!!~s\n", |
|
|
|
" might also return ~!!~s~!^ but the inferred return is ~!!~s", |
|
|
|
[M, F, A, ExtraRanges, SigRange]); |
|
|
|
message_to_string({overlapping_contract, [M, F, A]}) -> |
|
|
|
fmt("~!^Overloaded contract for ~!!~w:~w/~w~!^ has overlapping" |
|
|
|
" domains; such contracts are currently unsupported and are simply " |
|
|
|
"ignored\n", [M, F, A]); |
|
|
|
"ignored", [M, F, A]); |
|
|
|
message_to_string({spec_missing_fun, [M, F, A]}) -> |
|
|
|
fmt("~!^Contract for function that does not exist: ~!!~w:~w/~w\n", |
|
|
|
fmt("~!^Contract for function that does not exist: ~!!~w:~w/~w", |
|
|
|
[M, F, A]); |
|
|
|
%%----- Warnings for opaque type violations ------------------- |
|
|
|
message_to_string({call_with_opaque, [M, F, Args, ArgNs, ExpArgs]}) -> |
|
|
|
fmt("~!^The call ~!!~w:~w~s~!^ contains ~!!~s~!^ when ~!!~s\n", |
|
|
|
[M, F, Args, form_positions(ArgNs), form_expected(ExpArgs)]); |
|
|
|
fmt("~!^The call ~!!~w:~w~s~!^ contains ~!!~s~!^ when ~!!~s", |
|
|
|
[M, F, bad_arg(ArgNs, Args), form_positions(ArgNs), form_expected(ExpArgs)]); |
|
|
|
message_to_string({call_without_opaque, [M, F, Args, [{N,_,_}|_] = ExpectedTriples]}) -> |
|
|
|
fmt("~!^The call ~!!~w:~w~s ~!^does not have~!! ~s\n", |
|
|
|
fmt("~!^The call ~!!~w:~w~s ~!^does not have~!! ~s", |
|
|
|
[M, F, bad_arg(N, Args), form_expected_without_opaque(ExpectedTriples)]); |
|
|
|
message_to_string({opaque_eq, [Type, _Op, OpaqueType]}) -> |
|
|
|
fmt("~!^Attempt to test for equality between a term of type ~!!~s~!^" |
|
|
|
" and a term of opaque type ~!!~s\n", [Type, OpaqueType]); |
|
|
|
" and a term of opaque type ~!!~s", [Type, OpaqueType]); |
|
|
|
message_to_string({opaque_guard, [Arg1, Infix, Arg2, ArgNs]}) -> |
|
|
|
fmt("~!^Guard test ~!!~s ~s ~s~!^ contains ~!!~s\n", |
|
|
|
fmt("~!^Guard test ~!!~s ~s ~s~!^ contains ~!!~s", |
|
|
|
[Arg1, Infix, Arg2, form_positions(ArgNs)]); |
|
|
|
message_to_string({opaque_guard, [Guard, Args]}) -> |
|
|
|
fmt("~!^Guard test ~!!~w~s~!^ breaks the opaqueness of its" |
|
|
|
" argument\n", [Guard, Args]); |
|
|
|
" argument", [Guard, Args]); |
|
|
|
message_to_string({opaque_match, [Pat, OpaqueType, OpaqueTerm]}) -> |
|
|
|
Term = if OpaqueType =:= OpaqueTerm -> "the term"; |
|
|
|
true -> OpaqueTerm |
|
|
|
end, |
|
|
|
fmt("~!^The attempt to match a term of type ~!!~s~!^ against the" |
|
|
|
"~!! ~s~!^ breaks the opaqueness of ~!!~s\n", |
|
|
|
"~!! ~s~!^ breaks the opaqueness of ~!!~s", |
|
|
|
[OpaqueType, Pat, Term]); |
|
|
|
message_to_string({opaque_neq, [Type, _Op, OpaqueType]}) -> |
|
|
|
fmt("~!^Attempt to test for inequality between a term of type ~!!~s" |
|
|
|
"~!^ and a term of opaque type ~!!~s\n", [Type, OpaqueType]); |
|
|
|
"~!^ and a term of opaque type ~!!~s", [Type, OpaqueType]); |
|
|
|
message_to_string({opaque_type_test, [Fun, Args, Arg, ArgType]}) -> |
|
|
|
fmt("~!^The type test ~!!~s~s~!^ breaks the opaqueness of the term " |
|
|
|
"~!!~s~s\n", [Fun, Args, Arg, ArgType]); |
|
|
|
"~!!~s~s", [Fun, Args, Arg, ArgType]); |
|
|
|
message_to_string({opaque_size, [SizeType, Size]}) -> |
|
|
|
fmt("~!^The size ~!!~s~!^ breaks the opaqueness of ~!!~s\n", |
|
|
|
fmt("~!^The size ~!!~s~!^ breaks the opaqueness of ~!!~s", |
|
|
|
[SizeType, Size]); |
|
|
|
message_to_string({opaque_call, [M, F, Args, Culprit, OpaqueType]}) -> |
|
|
|
fmt("~!^The call ~!!~s:~s~s~!^ breaks the opaqueness of the term~!!" |
|
|
|
" ~s :: ~s\n", [M, F, Args, Culprit, OpaqueType]); |
|
|
|
" ~s :: ~s", [M, F, Args, Culprit, OpaqueType]); |
|
|
|
%%----- Warnings for concurrency errors -------------------- |
|
|
|
message_to_string({race_condition, [M, F, Args, Reason]}) -> |
|
|
|
fmt("~!^The call ~!!~w:~w~s ~s\n", [M, F, Args, Reason]); |
|
|
|
fmt("~!^The call ~!!~w:~w~s ~s", [M, F, Args, Reason]); |
|
|
|
%%----- Warnings for behaviour errors -------------------- |
|
|
|
message_to_string({callback_type_mismatch, [B, F, A, ST, CT]}) -> |
|
|
|
fmt("~!^The inferred return type of~!! ~w/~w (~s) ~!^" |
|
|
|
"has nothing in common with~!! ~s, ~!^which is the expected" |
|
|
|
" return type for the callback of~!! ~w ~!^behaviour\n", |
|
|
|
" return type for the callback of~!! ~w ~!^behaviour", |
|
|
|
[F, A, ST, CT, B]); |
|
|
|
message_to_string({callback_arg_type_mismatch, [B, F, A, N, ST, CT]}) -> |
|
|
|
fmt("~!^The inferred type for the~!! ~s ~!^argument of~!!" |
|
|
|
" ~w/~w (~s) ~!^is not a supertype of~!! ~s~!^, which is" |
|
|
|
"expected type for this argument in the callback of the~!! ~w " |
|
|
|
"~!^behaviour\n", |
|
|
|
"~!^behaviour", |
|
|
|
[ordinal(N), F, A, ST, CT, B]); |
|
|
|
message_to_string({callback_spec_type_mismatch, [B, F, A, ST, CT]}) -> |
|
|
|
fmt("~!^The return type ~!!~s~!^ in the specification of ~!!" |
|
|
|
"~w/~w~!^ is not a subtype of ~!!~s~!^, which is the expected" |
|
|
|
" return type for the callback of ~!!~w~!^ behaviour\n", |
|
|
|
" return type for the callback of ~!!~w~!^ behaviour", |
|
|
|
[ST, F, A, CT, B]); |
|
|
|
message_to_string({callback_spec_arg_type_mismatch, [B, F, A, N, ST, CT]}) -> |
|
|
|
fmt("~!^The specified type for the ~!!~s~!^ argument of ~!!" |
|
|
|
"~w/~w (~s)~!^ is not a supertype of ~!!~s~!^, which is" |
|
|
|
" expected type for this argument in the callback of the ~!!~w" |
|
|
|
"~!^ behaviour\n", [ordinal(N), F, A, ST, CT, B]); |
|
|
|
"~!^ behaviour", [ordinal(N), F, A, ST, CT, B]); |
|
|
|
message_to_string({callback_missing, [B, F, A]}) -> |
|
|
|
fmt("~!^Undefined callback function ~!!~w/~w~!^ (behaviour ~!!" |
|
|
|
"'~w'~!^)\n",[F, A, B]); |
|
|
|
"'~w'~!^)",[F, A, B]); |
|
|
|
message_to_string({callback_info_missing, [B]}) -> |
|
|
|
fmt("~!^Callback info about the ~!r~w~!^" |
|
|
|
" behaviour is not available\n", [B]); |
|
|
|
fmt("~!^Callback info about the ~!r~w~!!~!^" |
|
|
|
" behaviour is not available", [B]); |
|
|
|
%%----- Warnings for unknown functions, types, and behaviours ------------- |
|
|
|
message_to_string({unknown_type, {M, F, A}}) -> |
|
|
|
fmt("~!^Unknown type ~!r~w:~w/~w", [M, F, A]); |
|
|
|
@ -248,39 +272,36 @@ call_or_apply_to_string(ArgNs, FailReason, SigArgs, SigRet, |
|
|
|
true -> |
|
|
|
%% We do not know which argument(s) caused the failure |
|
|
|
fmt("~!^will never return since the success typing arguments" |
|
|
|
" are ~!!~s\n", [SigArgs]); |
|
|
|
" are ~!!~s", [SigArgs]); |
|
|
|
false -> |
|
|
|
fmt("~!^will never return since it differs in the~!!" |
|
|
|
" ~s ~!^argument from the success typing" |
|
|
|
" arguments:~!! ~s\n", |
|
|
|
" arguments:~!! ~s", |
|
|
|
[PositionString, good_arg(ArgNs, SigArgs)]) |
|
|
|
end; |
|
|
|
only_contract -> |
|
|
|
case (ArgNs =:= []) orelse IsOverloaded of |
|
|
|
true -> |
|
|
|
%% We do not know which arguments caused the failure |
|
|
|
fmt("~!^breaks the contract~!! ~s\n", [good_arg(ArgNs, Contract)]); |
|
|
|
fmt("~!^breaks the contract~!! ~s", [good_arg(ArgNs, Contract)]); |
|
|
|
false -> |
|
|
|
fmt("~!^breaks the contract~!! ~s ~!^in the~!!" |
|
|
|
" ~s ~!^argument\n", |
|
|
|
" ~s ~!^argument", |
|
|
|
[good_arg(ArgNs, Contract), PositionString]) |
|
|
|
end; |
|
|
|
both -> |
|
|
|
fmt("~!^will never return since the success typing is " |
|
|
|
"~!!~s ~!^->~!! ~s ~!^and the contract is ~!!~s\n", |
|
|
|
"~!!~s ~!^->~!! ~s ~!^and the contract is ~!!~s", |
|
|
|
[good_arg(ArgNs, SigArgs), SigRet, |
|
|
|
good_arg(ArgNs, Contract)]) |
|
|
|
end. |
|
|
|
|
|
|
|
form_positions(ArgNs) -> |
|
|
|
ArgS = form_position_string(ArgNs), |
|
|
|
case ArgNs of |
|
|
|
[_] -> "an opaque term as "; |
|
|
|
[_,_|_] -> "opaque terms as " |
|
|
|
end ++ form_position_string(ArgNs) ++ |
|
|
|
case ArgNs of |
|
|
|
[_] -> " argument"; |
|
|
|
[_,_|_] -> " arguments" |
|
|
|
end. |
|
|
|
[_] -> fmt("~!^an opaque term as ~!!~s~!^ argument", [ArgS]); |
|
|
|
[_,_|_] -> fmt("~!^opaque terms as ~!!~s~!^ arguments", [ArgS]) |
|
|
|
end. |
|
|
|
|
|
|
|
%% We know which positions N are to blame; |
|
|
|
%% the list of triples will never be empty. |
|
|
|
@ -327,7 +348,7 @@ ordinal(2) -> fmt("~!B2~!!nd"); |
|
|
|
ordinal(3) -> fmt("~!B3~!!rd"); |
|
|
|
ordinal(N) when is_integer(N) -> fmt("~!B~w~!!th", [N]). |
|
|
|
|
|
|
|
|
|
|
|
%% Format a pattern ad highlight errorous part in red. |
|
|
|
bad_pat("pattern " ++ P) -> |
|
|
|
fmt("pattern ~!r~s",[P]); |
|
|
|
bad_pat("variable " ++ P) -> |
|
|
|
@ -337,14 +358,16 @@ bad_pat(P) -> |
|
|
|
|
|
|
|
|
|
|
|
bad_arg(N, Args) -> |
|
|
|
color_arg(N, r, Args). |
|
|
|
colour_arg(N, r, Args). |
|
|
|
|
|
|
|
good_arg(N, Args) -> |
|
|
|
color_arg(N, g, Args). |
|
|
|
colour_arg(N, g, Args). |
|
|
|
|
|
|
|
color_arg(N, C, Args) when is_integer(N) -> |
|
|
|
color_arg([N], C, Args); |
|
|
|
color_arg(Ns, C, Args) -> |
|
|
|
%% colour one or more arg of an argument list, this unparses the args |
|
|
|
%% highlights one or more of them and puts them back together. |
|
|
|
colour_arg(N, C, Args) when is_integer(N) -> |
|
|
|
colour_arg([N], C, Args); |
|
|
|
colour_arg(Ns, C, Args) -> |
|
|
|
{Args1, Rest} =seperate_args(Args), |
|
|
|
Args2 = highlight(Ns, 1, C, Args1), |
|
|
|
join_args(Args2) ++ Rest. |
|
|
|
@ -361,11 +384,13 @@ highlight([N | Nr], N, r, [Arg | Rest]) -> |
|
|
|
highlight(Ns, N, C, [Arg | Rest]) -> |
|
|
|
[Arg | highlight(Ns, N + 1, C, Rest)]. |
|
|
|
|
|
|
|
%% Arugments to functions and constraints are passed as |
|
|
|
%% strings not as data, this function pulls them apart |
|
|
|
%% to allow interacting with them seperately and not |
|
|
|
%% as one bug chunk of data. |
|
|
|
seperate_args([$( | S]) -> |
|
|
|
seperate_args([], S, "", []). |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
%% We strip this space since dialyzer is inconsistant in adding or not adding |
|
|
|
%% it .... |
|
|
|
seperate_args([], [$,, $\s | R], Arg, Args) -> |
|
|
|
|
Fred Hebert
9 år sedan