File 2426-Package-abstract-code-in-a-record-for-code... of Package erlang

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File 2426-Package-abstract-code-in-a-record-for-code-generatio.patch of Package erlang (Revision 9739f551c0dd1f28806285fbd79e7224)

Currently displaying revision 9739f551c0dd1f28806285fbd79e7224 , Show latest

From 6a41ce33898bd29d7e4738e8109ec41b33a202ae Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Tue, 14 Feb 2017 13:24:22 +0100
Subject: [PATCH 6/7] Package abstract code in a record for code generation

For now, do the packaging before call asn1ct_gen:pgen().
---
 lib/asn1/src/asn1_records.hrl | 11 +++++++++++
 lib/asn1/src/asn1ct.erl       | 24 +++++++++---------------
 lib/asn1/src/asn1ct_gen.erl   | 42 ++++++++++++++++++++++--------------------
 3 files changed, 42 insertions(+), 35 deletions(-)

diff --git a/lib/asn1/src/asn1_records.hrl b/lib/asn1/src/asn1_records.hrl
index d3d76f956..06a9e3ab0 100644
--- a/lib/asn1/src/asn1_records.hrl
+++ b/lib/asn1/src/asn1_records.hrl
@@ -108,6 +108,17 @@
          options=[] :: [any()]
         }).
 
+%% Abstract intermediate representation.
+-record(abst,
+        {name :: module(),                      %Name of module.
+         types,                                 %Types.
+         values,                                %Values.
+         ptypes,                                %Parameterized types.
+         classes,                               %Classes.
+         objects,                               %Objects.
+         objsets                                %Object sets.
+        }).
+
 %% state record used by back-end at partial decode
 %% active is set to 'yes' when a partial decode function is generated.
 %% prefix is set to 'dec-inc-' or 'dec-partial-' is for
diff --git a/lib/asn1/src/asn1ct.erl b/lib/asn1/src/asn1ct.erl
index d27f8897a..9f77a557e 100644
--- a/lib/asn1/src/asn1ct.erl
+++ b/lib/asn1/src/asn1ct.erl
@@ -236,12 +236,8 @@ abs_listing(#st{code={M,_},outfile=OutFile}) ->
 
 generate_pass(#st{code=Code,outfile=OutFile,erule=Erule,opts=Opts}=St0) ->
     St = St0#st{code=undefined},		%Reclaim heap space
-    case generate(Code, OutFile, Erule, Opts) of
-	{error,Reason} ->
-	    {error,St#st{error=Reason}};
-	ok ->
-	    {ok,St}
-    end.
+    generate(Code, OutFile, Erule, Opts),
+    {ok,St}.
 
 compile_pass(#st{outfile=OutFile,opts=Opts0}=St) ->
     asn1_db:dbstop(),				%Reclaim memory.
@@ -834,7 +830,11 @@ delete_double_of_symbol1([],Acc) ->
 
 %%***********************************
 
-generate({M,GenTOrV}, OutFile, EncodingRule, Options) ->
+generate({M,CodeTuple}, OutFile, EncodingRule, Options) ->
+    {Types,Values,Ptypes,Classes,Objects,ObjectSets} = CodeTuple,
+    Code = #abst{name=M#module.name,
+                 types=Types,values=Values,ptypes=Ptypes,
+                 classes=Classes,objects=Objects,objsets=ObjectSets},
     debug_on(Options),
     setup_bit_string_format(Options),
     setup_legacy_erlang_types(Options),
@@ -854,19 +854,13 @@ generate({M,GenTOrV}, OutFile, EncodingRule, Options) ->
                     "Error in configuration file")
     end,
 
-    Res = case catch asn1ct_gen:pgen(OutFile, Gen, M#module.name, GenTOrV) of
-              {'EXIT',Reason2} ->
-                  error("~p~n",[Reason2],Options),
-                  {error,Reason2};
-              _ ->
-                  ok
-          end,
+    asn1ct_gen:pgen(OutFile, Gen, Code),
     debug_off(Options),
     cleanup_bit_string_format(),
     erase(tlv_format), % used in ber
     erase(class_default_type),% used in ber
     asn1ct_table:delete(check_functions),
-    Res.
+    ok.
 
 init_gen_record(EncodingRule, Options) ->
     Erule = case EncodingRule of
diff --git a/lib/asn1/src/asn1ct_gen.erl b/lib/asn1/src/asn1ct_gen.erl
index 16ef00838..2fc85353e 100644
--- a/lib/asn1/src/asn1ct_gen.erl
+++ b/lib/asn1/src/asn1ct_gen.erl
@@ -37,7 +37,7 @@
 	 get_record_name_prefix/1,
 	 conform_value/2,
 	 named_bitstring_value/2]).
--export([pgen/4,
+-export([pgen/3,
 	 mk_var/1, 
 	 un_hyphen_var/1]).
 -export([gen_encode_constructed/4,
@@ -50,14 +50,13 @@
 %% Generate Erlang module (.erl) and (.hrl) file corresponding to
 %% an ASN.1 module. The .hrl file is only generated if necessary.
 
--spec pgen(Outfile, Gen, Module, Contents) -> 'ok' when
+-spec pgen(Outfile, Gen, Code) -> 'ok' when
       Outfile :: any(),
       Gen :: #gen{},
-      Module :: module(),
-      Contents :: tuple().
+      Code :: #abst{}.
 
-pgen(OutFile, #gen{options=Options}=Gen, Module, Contents) ->
-    {Types,_Values,_Ptypes,_Classes,_Objects,_ObjectSets} = Contents,
+pgen(OutFile, #gen{options=Options}=Gen, Code) ->
+    #abst{name=Module,types=Types} = Code,
     N2nConvEnums = [CName|| {n2n,CName} <- Options],
     case N2nConvEnums -- Types of
 	[] ->
@@ -66,18 +65,18 @@ pgen(OutFile, #gen{options=Options}=Gen, Module, Contents) ->
 	    exit({"Non existing ENUMERATION types used in n2n option",
 		   UnmatchedTypes})
     end,
-    put(outfile,OutFile),
+    put(outfile, OutFile),
     put(currmod, Module),
-    HrlGenerated = pgen_hrl(Gen, Module, Contents),
+    HrlGenerated = pgen_hrl(Gen, Code),
     asn1ct_name:start(),
     ErlFile = lists:concat([OutFile,".erl"]),
     _ = open_output_file(ErlFile),
     asn1ct_func:start_link(),
     gen_head(Gen, Module, HrlGenerated),
-    pgen_exports(Gen, Module, Contents),
-    pgen_dispatcher(Gen, Contents),
+    pgen_exports(Gen, Code),
+    pgen_dispatcher(Gen, Types),
     pgen_info(),
-    pgen_typeorval(Gen, Module, N2nConvEnums, Contents),
+    pgen_typeorval(Gen, N2nConvEnums, Code),
     pgen_partial_incomplete_decode(Gen),
     emit([nl,
 	  "%%%",nl,
@@ -88,7 +87,8 @@ pgen(OutFile, #gen{options=Options}=Gen, Module, Contents) ->
     asn1ct_func:generate(Fd),
     close_output_file(),
     _ = erase(outfile),
-    asn1ct:verbose("--~p--~n", [{generated,ErlFile}], Gen).
+    asn1ct:verbose("--~p--~n", [{generated,ErlFile}], Gen),
+    ok.
 
 dialyzer_suppressions(Erules) ->
     emit([nl,
@@ -96,7 +96,9 @@ dialyzer_suppressions(Erules) ->
     Rtmod = ct_gen_module(Erules),
     Rtmod:dialyzer_suppressions(Erules).
 
-pgen_typeorval(Erules,Module,N2nConvEnums,{Types,Values,_Ptypes,_Classes,Objects,ObjectSets}) ->
+pgen_typeorval(Erules, N2nConvEnums, Code) ->
+    #abst{name=Module,types=Types,values=Values,
+          objects=Objects,objsets=ObjectSets} = Code,
     Rtmod = ct_gen_module(Erules),
     pgen_types(Rtmod,Erules,N2nConvEnums,Module,Types),
     pgen_values(Values, Module),
@@ -642,8 +644,8 @@ gen_decode_constructed(Erules,Typename,InnerType,D) when is_record(D,typedef) ->
     gen_decode_constructed(Erules,Typename,InnerType,D#typedef.typespec).
 
 
-pgen_exports(#gen{options=Options}=Gen, _Module, Contents) ->
-    {Types,Values,_,_,Objects,ObjectSets} = Contents,
+pgen_exports(#gen{options=Options}=Gen, Code) ->
+    #abst{types=Types,values=Values,objects=Objects,objsets=ObjectSets} = Code,
     emit(["-export([encoding_rule/0,maps/0,bit_string_format/0,",nl,
 	  "         legacy_erlang_types/0]).",nl]),
     emit(["-export([",{asis,?SUPPRESSION_FUNC},"/1]).",nl]),
@@ -703,9 +705,9 @@ gen_exports([_|_]=L0, Prefix, Arity) ->
           L,nl,
           "]).",nl,nl]).
 
-pgen_dispatcher(Erules, {[],_Values,_,_,_Objects,_ObjectSets}) ->
+pgen_dispatcher(Erules, []) ->
     gen_info_functions(Erules);
-pgen_dispatcher(Gen, {Types,_Values,_,_,_Objects,_ObjectSets}) ->
+pgen_dispatcher(Gen, Types) ->
     emit(["-export([encode/2,decode/2]).",nl,nl]),
     gen_info_functions(Gen),
 
@@ -1033,8 +1035,8 @@ open_output_file(F) ->
 close_output_file() ->
     ok = file:close(erase(gen_file_out)).
 
-pgen_hrl(#gen{pack=record}=Gen, Module, Contents) ->
-    {Types,Values,Ptypes,_,_,_} = Contents,
+pgen_hrl(#gen{pack=record}=Gen, Code) ->
+    #abst{name=Module,types=Types,values=Values,ptypes=Ptypes} = Code,
     Ret =
 	case pgen_hrltypes(Gen, Module, Ptypes++Types, 0) of
 	    0 -> 
@@ -1062,7 +1064,7 @@ pgen_hrl(#gen{pack=record}=Gen, Module, Contents) ->
 			   Gen),
 	    Y
     end;
-pgen_hrl(#gen{pack=map}, _, _) ->
+pgen_hrl(#gen{pack=map}, _) ->
     0.
 
 pgen_macros(_,_,[]) ->
-- 
2.11.1

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File 2426-Package-abstract-code-in-a-record-for-code-generatio.patch of Package erlang (Revision 9739f551c0dd1f28806285fbd79e7224)

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