diff options
Diffstat (limited to 'lib/asn1/src/asn1ct_imm.erl')
| -rw-r--r-- | lib/asn1/src/asn1ct_imm.erl | 97 |
1 files changed, 69 insertions, 28 deletions
diff --git a/lib/asn1/src/asn1ct_imm.erl b/lib/asn1/src/asn1ct_imm.erl index 8b96242c56..231048694a 100644 --- a/lib/asn1/src/asn1ct_imm.erl +++ b/lib/asn1/src/asn1ct_imm.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2012-2016. All Rights Reserved. +%% Copyright Ericsson AB 2012-2017. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -37,9 +37,12 @@ per_enc_open_type/2, per_enc_restricted_string/3, per_enc_small_number/2]). --export([per_enc_extension_bit/2,per_enc_extensions/4,per_enc_optional/3]). +-export([per_enc_extension_bit/2,per_enc_extensions/4, + per_enc_extensions_map/4, + per_enc_optional/2]). -export([per_enc_sof/5]). --export([enc_absent/3,enc_append/1,enc_element/2]). +-export([enc_absent/3,enc_append/1,enc_element/2,enc_maps_get/2, + enc_comment/1]). -export([enc_cg/2]). -export([optimize_alignment/1,optimize_alignment/2, dec_slim_cg/2,dec_code_gen/2]). @@ -214,7 +217,8 @@ per_enc_legacy_bit_string(Val0, NNL0, Constraint0, Aligned) -> per_enc_boolean(Val0, _Aligned) -> {B,[Val]} = mk_vars(Val0, []), B++build_cond([[{eq,Val,false},{put_bits,0,1,[1]}], - [{eq,Val,true},{put_bits,1,1,[1]}]]). + [{eq,Val,true},{put_bits,1,1,[1]}], + ['_',{error,{illegal_boolean,Val}}]]). per_enc_choice(Val0, Cs0, _Aligned) -> {B,[Val]} = mk_vars(Val0, []), @@ -235,7 +239,7 @@ per_enc_enumerated(Val0, Root, Aligned) -> B++[{'cond',Cs++enumerated_error(Val)}]. enumerated_error(Val) -> - [['_',{error,Val}]]. + [['_',{error,{illegal_enumerated,Val}}]]. per_enc_integer(Val0, Constraint0, Aligned) -> {B,[Val]} = mk_vars(Val0, []), @@ -349,27 +353,32 @@ per_enc_extensions(Val0, Pos0, NumBits, Aligned) when NumBits > 0 -> ['_'|Length ++ PutBits]]}], {var,"Extensions"}}]. -per_enc_optional(Val0, {Pos,DefVals}, _Aligned) when is_integer(Pos), - is_list(DefVals) -> - {B,Val} = enc_element(Pos, Val0), +per_enc_extensions_map(Val0, Vars, Undefined, Aligned) -> + NumBits = length(Vars), + {B,[_Val,Bitmap]} = mk_vars(Val0, [bitmap]), + Length = per_enc_small_length(NumBits, Aligned), + PutBits = case NumBits of + 1 -> [{put_bits,1,1,[1]}]; + _ -> [{put_bits,Bitmap,NumBits,[1]}] + end, + BitmapExpr = extensions_bitmap(Vars, Undefined), + B++[{assign,Bitmap,BitmapExpr}, + {list,[{'cond',[[{eq,Bitmap,0}], + ['_'|Length ++ PutBits]]}], + {var,"Extensions"}}]. + +per_enc_optional(Val, DefVals) when is_list(DefVals) -> Zero = {put_bits,0,1,[1]}, One = {put_bits,1,1,[1]}, - B++[{'cond', - [[{eq,Val,DefVal},Zero] || DefVal <- DefVals] ++ [['_',One]]}]; -per_enc_optional(Val0, {Pos,{call,M,F,A}}, _Aligned) when is_integer(Pos) -> - {B,Val} = enc_element(Pos, Val0), + [{'cond', + [[{eq,Val,DefVal},Zero] || DefVal <- DefVals] ++ [['_',One]]}]; +per_enc_optional(Val, {call,M,F,A}) -> {[],[[],Tmp]} = mk_vars([], [tmp]), Zero = {put_bits,0,1,[1]}, One = {put_bits,1,1,[1]}, - B++[{call,M,F,[Val|A],Tmp}, - {'cond', - [[{eq,Tmp,true},Zero],['_',One]]}]; -per_enc_optional(Val0, Pos, _Aligned) when is_integer(Pos) -> - {B,Val} = enc_element(Pos, Val0), - Zero = {put_bits,0,1,[1]}, - One = {put_bits,1,1,[1]}, - B++[{'cond',[[{eq,Val,asn1_NOVALUE},Zero], - ['_',One]]}]. + [{call,M,F,[Val|A],Tmp}, + {'cond', + [[{eq,Tmp,true},Zero],['_',One]]}]. per_enc_sof(Val0, Constraint, ElementVar, ElementImm, Aligned) -> {B,[Val,Len]} = mk_vars(Val0, [len]), @@ -423,6 +432,16 @@ enc_element(N, Val0) -> {[],[Val,Dst]} = mk_vars(Val0, [element]), {[{call,erlang,element,[N,Val],Dst}],Dst}. +enc_maps_get(N, Val0) -> + {[],[Val,Dst0]} = mk_vars(Val0, [element]), + {var,Dst} = Dst0, + DstExpr = {expr,lists:concat(["#{",N,":=",Dst,"}"])}, + {var,SrcVar} = Val, + {[{assign,DstExpr,SrcVar}],Dst0}. + +enc_comment(Comment) -> + {comment,Comment}. + enc_cg(Imm0, false) -> Imm1 = enc_cse(Imm0), Imm2 = enc_pre_cg(Imm1), @@ -860,10 +879,8 @@ flatten_map_cs_1([integer_default], {Int,_}) -> [{'_',Int}]; flatten_map_cs_1([enum_default], {Int,_}) -> [{'_',["{asn1_enum,",Int,"}"]}]; -flatten_map_cs_1([enum_error], {Var,Cs}) -> - Vs = [V || {_,V} <- Cs], - [{'_',["exit({error,{asn1,{decode_enumerated,{",Var,",", - {asis,Vs},"}}}})"]}]; +flatten_map_cs_1([enum_error], {Var,_}) -> + [{'_',["exit({error,{asn1,{decode_enumerated,",Var,"}}})"]}]; flatten_map_cs_1([], _) -> []. flatten_hoist_align([[{align_bits,_,_}=Ab|T]|Cs]) -> @@ -1037,6 +1054,7 @@ split_off_nonbuilding(Imm) -> is_nonbuilding({assign,_,_}) -> true; is_nonbuilding({call,_,_,_,_}) -> true; +is_nonbuilding({comment,_}) -> true; is_nonbuilding({lc,_,_,_,_}) -> true; is_nonbuilding({set,_,_}) -> true; is_nonbuilding({list,_,_}) -> true; @@ -1093,7 +1111,7 @@ per_enc_integer_1(Val0, [{{_,_}=Constr,[]}], Aligned) -> per_enc_integer_1(Val0, [Constr], Aligned) -> {Prefix,Check,Action} = per_enc_integer_2(Val0, Constr, Aligned), Prefix++build_cond([[Check|Action], - ['_',{error,Val0}]]). + ['_',{error,{illegal_integer,Val0}}]]). per_enc_integer_2(Val, {'SingleValue',Sv}, Aligned) when is_integer(Sv) -> per_enc_constrained(Val, Sv, Sv, Aligned); @@ -1240,6 +1258,20 @@ enc_length(Len, {Lb,Ub}, Aligned) when is_integer(Lb) -> enc_length(Len, Sv, _Aligned) when is_integer(Sv) -> [{'cond',[[{eq,Len,Sv}]]}]. +extensions_bitmap(Vs, Undefined) -> + Highest = 1 bsl (length(Vs)-1), + Cs = extensions_bitmap_1(Vs, Undefined, Highest), + lists:flatten(lists:join(" bor ", Cs)). + +extensions_bitmap_1([{var,V}|Vs], Undefined, Power) -> + S = ["case ",V," of\n", + " ",Undefined," -> 0;\n" + " _ -> ",integer_to_list(Power),"\n" + "end"], + [S|extensions_bitmap_1(Vs, Undefined, Power bsr 1)]; +extensions_bitmap_1([], _, _) -> + []. + put_bits_binary(Bin, _Unit, Aligned) when is_binary(Bin) -> Sz = byte_size(Bin), <<Int:Sz/unit:8>> = Bin, @@ -1903,6 +1935,8 @@ enc_opt({'cond',Cs0}, St0) -> {Cs,Type} = enc_opt_cond_1(Cs1, Type0, [{Cond,Imm}]), {{'cond',Cs},St0#ost{t=Type}} end; +enc_opt({comment,_}=Imm, St) -> + {Imm,St#ost{t=undefined}}; enc_opt({cons,H0,T0}, St0) -> {H,#ost{t=TypeH}=St1} = enc_opt(H0, St0), {T,#ost{t=TypeT}=St} = enc_opt(T0, St1), @@ -2292,6 +2326,9 @@ enc_cg({block,Imm}) -> enc_cg(Imm), emit([nl, "end"]); +enc_cg({seq,{comment,Comment},Then}) -> + emit(["%% ",Comment,nl]), + enc_cg(Then); enc_cg({seq,First,Then}) -> enc_cg(First), emit([com,nl]), @@ -2325,9 +2362,9 @@ enc_cg({'cond',Cs}) -> enc_cg_cond(Cs); enc_cg({error,Error}) when is_function(Error, 0) -> Error(); -enc_cg({error,Var0}) -> +enc_cg({error,{Tag,Var0}}) -> Var = mk_val(Var0), - emit(["exit({error,{asn1,{illegal_value,",Var,"}}})"]); + emit(["exit({error,{asn1,{",Tag,",",Var,"}}})"]); enc_cg({integer,Int}) -> emit(mk_val(Int)); enc_cg({lc,Body,Var,List}) -> @@ -2590,6 +2627,8 @@ enc_opt_al({call,per_common,encode_unconstrained_number,[_]}=Call, _) -> {[Call],0}; enc_opt_al({call,_,_,_,_}=Call, Al) -> {[Call],Al}; +enc_opt_al({comment,_}=Imm, Al) -> + {[Imm],Al}; enc_opt_al({'cond',Cs0}, Al0) -> {Cs,Al} = enc_opt_al_cond(Cs0, Al0), {[{'cond',Cs}],Al}; @@ -2686,6 +2725,8 @@ per_fixup([{block,Block}|T]) -> [{block,per_fixup(Block)}|per_fixup(T)]; per_fixup([{'assign',_,_}=H|T]) -> [H|per_fixup(T)]; +per_fixup([{comment,_}=H|T]) -> + [H|per_fixup(T)]; per_fixup([{'cond',Cs0}|T]) -> Cs = [[C|per_fixup(Act)] || [C|Act] <- Cs0], [{'cond',Cs}|per_fixup(T)]; |