File 1261-support-extensionmark-in-nested-SEQUENCE-i... of Package erlang

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File 1261-support-extensionmark-in-nested-SEQUENCE-in-paramete.patch of Package erlang (Revision 0eb87917a75aae8f396ec39332087beb)

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From 252ca6ebcdf885219985ce4bbc90cf4dcc398e05 Mon Sep 17 00:00:00 2001
From: Kenneth Lundin <kenneth@erlang.org>
Date: Tue, 15 Jun 2021 16:00:48 +0200
Subject: [PATCH] support extensionmark in nested SEQUENCE in parameterized
 type GH-4902 OTP-17522

---
 lib/asn1/src/asn1ct_check.erl          | 36 ++++----------------------
 lib/asn1/src/asn1ct_gen.erl            | 35 ++++++++++++++++++++++---
 lib/asn1/test/asn1_SUITE_data/CAP.asn1 |  9 +++++++
 3 files changed, 45 insertions(+), 35 deletions(-)

diff --git a/lib/asn1/src/asn1ct_check.erl b/lib/asn1/src/asn1ct_check.erl
index 581729e761..b9bea8e843 100644
--- a/lib/asn1/src/asn1ct_check.erl
+++ b/lib/asn1/src/asn1ct_check.erl
@@ -2490,11 +2490,11 @@ check_ptype(S,Type,Ts) when is_record(Ts,type) ->
     NewDef= 
 	case Def of 
 	    Seq when is_record(Seq,'SEQUENCE') ->
-			Components = prepare_components(S,Seq#'SEQUENCE'.components),			
+			Components = expand_components(S,Seq#'SEQUENCE'.components),			
 			#newt{type=Seq#'SEQUENCE'{pname=get_datastr_name(Type),
 									components = Components}};
 	    Set when is_record(Set,'SET') ->
-			Components = prepare_components(S,Set#'SET'.components),
+			Components = expand_components(S,Set#'SET'.components),
 			#newt{type=Set#'SET'{pname=get_datastr_name(Type),
 				     components = Components}};
 	    _Other ->
@@ -4395,38 +4395,12 @@ check_sequence(S,Type,Comps)  ->
 
 	    NewComps3 = textual_order(CompListWithTblInf),
 	    NewComps4 = simplify_comps(NewComps3),
-	    CompListTuple = complist_as_tuple(NewComps4),
+	    CompListTuple = asn1ct_gen:complist_as_tuple(NewComps4),
 	    {CRelInf,CompListTuple};
 	Dupl ->
 	    asn1_error(S, {duplicate_identifier, error_value(hd(Dupl))})
     end.
 
-complist_as_tuple(CompList) ->
-    complist_as_tuple(CompList, [], [], [], root).
-
-complist_as_tuple([#'EXTENSIONMARK'{}|T], Acc, Ext, Acc2, root) ->
-    complist_as_tuple(T, Acc, Ext, Acc2, ext);
-complist_as_tuple([#'EXTENSIONMARK'{}|T], Acc, Ext, Acc2, ext) ->
-    complist_as_tuple(T, Acc, Ext, Acc2, root2);
-complist_as_tuple([C|T], Acc, Ext, Acc2, root) ->
-    complist_as_tuple(T, [C|Acc], Ext, Acc2, root);
-complist_as_tuple([C|T], Acc, Ext, Acc2, ext) ->
-    complist_as_tuple(T, Acc, [C|Ext], Acc2, ext);
-complist_as_tuple([C|T], Acc, Ext, Acc2, root2) ->
-    complist_as_tuple(T, Acc, Ext, [C|Acc2], root2);
-complist_as_tuple([], Acc, _Ext, _Acc2, root) ->
-    lists:reverse(Acc);
-complist_as_tuple([], Acc, Ext, _Acc2, ext) ->
-    {lists:reverse(Acc),lists:reverse(Ext)};
-complist_as_tuple([], Acc, Ext, Acc2, root2) ->
-    {lists:reverse(Acc),lists:reverse(Ext),lists:reverse(Acc2)}.
-
-prepare_components(_S, Components) when is_tuple(Components) ->
-	Components;
-prepare_components(S, Components) ->
-	Cl = expand_components(S, Components),
-	complist_as_tuple(Cl).
-
 expand_components(S, [{'COMPONENTS OF',Type}|T]) ->
     CompList = expand_components2(S,get_referenced_type(S,Type#type.def)),
     expand_components(S,CompList) ++ expand_components(S,T);
@@ -4475,7 +4449,7 @@ take_only_rootset([H|T]) ->
     [H|take_only_rootset(T)].
 
 check_unique_sequence_tags(S,CompList) ->
-    TagComps = case complist_as_tuple(CompList) of
+    TagComps = case asn1ct_gen:complist_as_tuple(CompList) of
 		   {R1,Ext,R2} ->
 		       R1 ++ [C#'ComponentType'{prop='OPTIONAL'}||
 				 C = #'ComponentType'{} <- Ext]++R2;
@@ -4738,7 +4712,7 @@ check_choice(S,Type,Components) when is_list(Components) ->
 				     end,NewComps),
 	    NewComps3 = simplify_comps(NewComps2),
 	    check_unique_tags(S, NewComps3),
-	    complist_as_tuple(NewComps3);
+	    asn1ct_gen:complist_as_tuple(NewComps3);
 	Dupl ->
 	    asn1_error(S, {duplicate_identifier,error_value(hd(Dupl))})
     end;
diff --git a/lib/asn1/src/asn1ct_gen.erl b/lib/asn1/src/asn1ct_gen.erl
index bb8ef7f5ea..1a27eb0b02 100644
--- a/lib/asn1/src/asn1ct_gen.erl
+++ b/lib/asn1/src/asn1ct_gen.erl
@@ -35,7 +35,8 @@
 	 index2suffix/1,
 	 get_record_name_prefix/1,
 	 conform_value/2,
-	 named_bitstring_value/2]).
+	 named_bitstring_value/2,
+         complist_as_tuple/1]).
 -export([pgen/3,
 	 mk_var/1, 
 	 un_hyphen_var/1]).
@@ -1252,19 +1253,24 @@ gen_record(Gen, TorPtype, Name, #type{}=Type, Num) ->
 gen_record(_, _, _, _, NumRecords) ->        % skip CLASS etc for now.
      NumRecords.
 
+do_gen_record(Gen, Name, CL0) when is_list(CL0) ->
+    do_gen_record_0(Gen, Name, complist_as_tuple(CL0));
 do_gen_record(Gen, Name, CL0) ->
+    do_gen_record_0(Gen, Name, CL0).
+
+do_gen_record_0(Gen, Name, CL0) ->
     CL = case CL0 of
              {Root,[]} ->
                  Root ++ [{comment,"with extension mark"}];
              {Root,Ext} ->
-                 Root ++ [{comment,"with exensions"}] ++
+                 Root ++ [{comment,"with extensions"}] ++
                      only_components(Ext);
              {Root1,Ext,Root2} ->
-                 Root1 ++ [{comment,"with exensions"}] ++
+                 Root1 ++ [{comment,"with extensions"}] ++
                      only_components(Ext) ++
                      [{comment,"end of extensions"}] ++ Root2;
              _ when is_list(CL0) ->
-                 CL0
+                 only_components(CL0)
          end,
     Prefix = get_record_name_prefix(Gen),
     emit(["-record('",Prefix,list2name(Name),"', {"] ++
@@ -1593,6 +1599,27 @@ list2rname1([H|_T]) ->
 list2rname1([]) ->
     [].
 
+%%
+%% convert a complist to a [Components] or a {Root,Ext} or a {Root,Ext,Ext2}
+complist_as_tuple(CompList) ->
+    complist_as_tuple(CompList, [], [], [], root).
+
+complist_as_tuple([#'EXTENSIONMARK'{}|T], Acc, Ext, Acc2, root) ->
+    complist_as_tuple(T, Acc, Ext, Acc2, ext);
+complist_as_tuple([#'EXTENSIONMARK'{}|T], Acc, Ext, Acc2, ext) ->
+    complist_as_tuple(T, Acc, Ext, Acc2, root2);
+complist_as_tuple([C|T], Acc, Ext, Acc2, root) ->
+    complist_as_tuple(T, [C|Acc], Ext, Acc2, root);
+complist_as_tuple([C|T], Acc, Ext, Acc2, ext) ->
+    complist_as_tuple(T, Acc, [C|Ext], Acc2, ext);
+complist_as_tuple([C|T], Acc, Ext, Acc2, root2) ->
+    complist_as_tuple(T, Acc, Ext, [C|Acc2], root2);
+complist_as_tuple([], Acc, _Ext, _Acc2, root) ->
+    lists:reverse(Acc);
+complist_as_tuple([], Acc, Ext, _Acc2, ext) ->
+    {lists:reverse(Acc),lists:reverse(Ext)};
+complist_as_tuple([], Acc, Ext, Acc2, root2) ->
+    {lists:reverse(Acc),lists:reverse(Ext),lists:reverse(Acc2)}.
 
 
 constructed_suffix(_,#'SEQUENCE'{pname=Ptypename}) when Ptypename =/= false ->
diff --git a/lib/asn1/test/asn1_SUITE_data/CAP.asn1 b/lib/asn1/test/asn1_SUITE_data/CAP.asn1
index 69d8486d3b..a704239087 100644
--- a/lib/asn1/test/asn1_SUITE_data/CAP.asn1
+++ b/lib/asn1/test/asn1_SUITE_data/CAP.asn1
@@ -37,5 +37,14 @@ CriticalityType  ::= ENUMERATED {
 Code ::= CHOICE {local   INTEGER,
                global  OBJECT IDENTIFIER}
 
+Digits {PARAMETERS-BOUND : bound} ::= OCTET STRING (SIZE(
+	bound.&minDigitsLength .. bound.&maxDigitsLength))
+
+BasicGapCriteria {PARAMETERS-BOUND : bound} ::= CHOICE {
+       calledAddressAndService [29] SEQUENCE {
+           calledAddressValue [0] Digits {bound},
+           ...
+       }
+    }
 
 END
-- 
2.26.2

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