From a70395cd59e07a03ad003fa0cf166e1237151cb5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= Date: Mon, 25 Mar 2013 11:44:18 +0100 Subject: Introduce a new mechanism for structured error handling --- lib/asn1/src/asn1ct.erl | 21 +++++++++-- lib/asn1/src/asn1ct_check.erl | 82 +++++++++++++++---------------------------- 2 files changed, 48 insertions(+), 55 deletions(-) (limited to 'lib/asn1/src') diff --git a/lib/asn1/src/asn1ct.erl b/lib/asn1/src/asn1ct.erl index b41af6ab1b..15aa4efe7d 100644 --- a/lib/asn1/src/asn1ct.erl +++ b/lib/asn1/src/asn1ct.erl @@ -301,8 +301,10 @@ run_passes_1([{pass,Name,Pass}|Passes], #st{run=Run}=St0) try Run(Name, Pass, St0) of {ok,St} -> run_passes_1(Passes, St); - {error,#st{error=Error}} -> - {error,Error}; + {error,#st{error=Errors}} -> + {Structured,AllErrors} = clean_errors(Errors), + print_structured_errors(Structured), + {error,AllErrors}; done -> ok catch @@ -315,6 +317,21 @@ run_passes_1([{pass,Name,Pass}|Passes], #st{run=Run}=St0) run_passes_1([], _St) -> ok. +clean_errors(Errors) when is_list(Errors) -> + F = fun({structured_error,_,_,_}) -> true; + (_) -> false + end, + {Structured0,AdHoc} = lists:partition(F, Errors), + Structured = lists:sort(Structured0), + {Structured,Structured ++ AdHoc}; +clean_errors(AdHoc) -> {[],AdHoc}. + +print_structured_errors([_|_]=Errors) -> + _ = [io:format("~ts:~w: ~ts\n", [F,L,M:format_error(E)]) || + {structured_error,{F,L},M,E} <- Errors], + ok; +print_structured_errors(_) -> ok. + compile1(File, #st{opts=Opts}=St0) -> verbose("Erlang ASN.1 version ~p, compiling ~p~n", [?vsn,File], Opts), verbose("Compiler Options: ~p~n", [Opts], Opts), diff --git a/lib/asn1/src/asn1ct_check.erl b/lib/asn1/src/asn1ct_check.erl index bb0469d7a5..3c9e0dd8d2 100644 --- a/lib/asn1/src/asn1ct_check.erl +++ b/lib/asn1/src/asn1ct_check.erl @@ -25,7 +25,7 @@ %-compile(export_all). %% Avoid warning for local function error/1 clashing with autoimported BIF. -compile({no_auto_import,[error/1]}). --export([check/2,storeindb/2]). +-export([check/2,storeindb/2,format_error/1]). %-define(debug,1). -include("asn1_records.hrl"). %%% The tag-number for universal types @@ -175,8 +175,9 @@ check(S,{Types,Values,ParameterizedTypes,Classes,Objects,ObjectSets}) -> {NewTypes,NewValues,ParameterizedTypes,NewClasses, lists:subtract(NewObjects,ExclO)++InlinedObjects, lists:subtract(NewObjectSets,ExclOS)++ParObjectSetNames}}; - _ ->{error,{asn1,lists:flatten([Terror3,Verror5,Cerror, - Oerror,Exporterror,ImportError])}} + _ -> + {error,lists:flatten([Terror3,Verror5,Cerror, + Oerror,Exporterror,ImportError])} end. context_switch_in_spec() -> @@ -6946,60 +6947,27 @@ storeindb(S,M) when is_record(M,module) -> NewM = M#module{typeorval=findtypes_and_values(TVlist)}, asn1_db:dbnew(NewM#module.name), asn1_db:dbput(NewM#module.name,'MODULE', NewM), - Res = storeindb(NewM#module.name,TVlist,[]), + Res = storeindb(#state{mname=NewM#module.name}, TVlist, []), include_default_class(S,NewM#module.name), include_default_type(NewM#module.name), Res. -storeindb(Module,[H|T],ErrAcc) when is_record(H,typedef) -> - storeindb(Module,H#typedef.name,H,T,ErrAcc); -storeindb(Module,[H|T],ErrAcc) when is_record(H,valuedef) -> - storeindb(Module,H#valuedef.name,H,T,ErrAcc); -storeindb(Module,[H|T],ErrAcc) when is_record(H,ptypedef) -> - storeindb(Module,H#ptypedef.name,H,T,ErrAcc); -storeindb(Module,[H|T],ErrAcc) when is_record(H,classdef) -> - storeindb(Module,H#classdef.name,H,T,ErrAcc); -storeindb(Module,[H|T],ErrAcc) when is_record(H,pvaluesetdef) -> - storeindb(Module,H#pvaluesetdef.name,H,T,ErrAcc); -storeindb(Module,[H|T],ErrAcc) when is_record(H,pobjectdef) -> - storeindb(Module,H#pobjectdef.name,H,T,ErrAcc); -storeindb(Module,[H|T],ErrAcc) when is_record(H,pvaluedef) -> - storeindb(Module,H#pvaluedef.name,H,T,ErrAcc); -storeindb(_,[],[]) -> ok; -storeindb(_,[],ErrAcc) -> - {error,ErrAcc}. - -storeindb(Module,Name,H,T,ErrAcc) -> - case asn1_db:dbget(Module,Name) of +storeindb(#state{mname=Module}=S, [H|T], Errors) -> + Name = asn1ct:get_name_of_def(H), + case asn1_db:dbget(Module, Name) of undefined -> - asn1_db:dbput(Module,Name,H), - storeindb(Module,T,ErrAcc); - _ -> - case H of - _Type when is_record(H,typedef) -> - error({type,"already defined", - #state{mname=Module,type=H,tname=Name}}); - _Type when is_record(H,valuedef) -> - error({value,"already defined", - #state{mname=Module,value=H,vname=Name}}); - _Type when is_record(H,ptypedef) -> - error({ptype,"already defined", - #state{mname=Module,type=H,tname=Name}}); - _Type when is_record(H,pobjectdef) -> - error({ptype,"already defined", - #state{mname=Module,type=H,tname=Name}}); - _Type when is_record(H,pvaluesetdef) -> - error({ptype,"already defined", - #state{mname=Module,type=H,tname=Name}}); - _Type when is_record(H,pvaluedef) -> - error({ptype,"already defined", - #state{mname=Module,type=H,tname=Name}}); - _Type when is_record(H,classdef) -> - error({class,"already defined", - #state{mname=Module,value=H,vname=Name}}) - end, - storeindb(Module,T,[H|ErrAcc]) - end. + asn1_db:dbput(Module, Name, H), + storeindb(S, T, Errors); + Prev -> + PrevLine = asn1ct:get_pos_of_def(Prev), + {error,Error} = asn1_error(S, H, {already_defined,Name,PrevLine}), + storeindb(S, T, [Error|Errors]) + end; +storeindb(_, [], []) -> + ok; +storeindb(_, [], [_|_]=Errors) -> + {error,Errors}. + findtypes_and_values(TVList) -> findtypes_and_values(TVList,[],[],[],[],[],[]).%% Types,Values, @@ -7039,7 +7007,15 @@ findtypes_and_values([],Tacc,Vacc,Pacc,Cacc,Oacc,OSacc) -> {lists:reverse(Tacc),lists:reverse(Vacc),lists:reverse(Pacc), lists:reverse(Cacc),lists:reverse(Oacc),lists:reverse(OSacc)}. - +asn1_error(#state{mname=Where}, Item, Error) -> + Pos = asn1ct:get_pos_of_def(Item), + {error,{structured_error,{Where,Pos},?MODULE,Error}}. + +format_error({already_defined,Name,PrevLine}) -> + io_lib:format("the name ~p has already been defined at line ~p", + [Name,PrevLine]); +format_error(Other) -> + io_lib:format("~p", [Other]). error({export,Msg,#state{mname=Mname,type=Ref,tname=Typename}}) -> Pos = Ref#'Externaltypereference'.pos, -- cgit v1.2.3