The R13B03 release.OTP_R13B03

1 files changed, 205 insertions, 0 deletions

diff --git a/lib/ic/src/icenum.erl b/lib/ic/src/icenum.erl
new file mode 100644
index 0000000000..0af200e229
--- /dev/null
+++ b/lib/ic/src/icenum.erl
@@ -0,0 +1,205 @@
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 1998-2009. All Rights Reserved.
+%% 
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%% 
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%% 
+%% %CopyrightEnd%
+%%
+%%
+%%-----------------------------------------------------------------
+%% File: icenum.erl
+%% 
+%%
+%%-----------------------------------------------------------------
+%%
+%% Code generation for enum's.
+%%-----------------------------------------------------------------
+-module(icenum).
+
+-import(ic_codegen, [emit/2, emit/3, emit/4, emit_c_enc_rpt/4, emit_c_dec_rpt/4]).
+
+-include("icforms.hrl").
+-include("ic.hrl").
+
+%%-----------------------------------------------------------------
+%% External exports
+%%-----------------------------------------------------------------
+-export([enum_gen/4]).
+
+%%-----------------------------------------------------------------
+%% Internal exports
+%%-----------------------------------------------------------------
+-export([]).
+
+enum_gen(G, N, X, c) when is_record(X, enum) ->
+    emit_c_enum(G, N, X);
+enum_gen(_G, _N, _X, _L) ->
+    ok.
+
+
+emit_c_enum(G, N, X) ->
+    case ic_genobj:is_hrlfile_open(G) of
+	true ->
+	    EnumName = [ic_forms:get_id2(X) | N],
+
+	    case ic_pragma:is_local(G,EnumName) of
+		true ->
+
+		    Fd = ic_genobj:hrlfiled(G),
+		    EnumNameStr = ic_util:to_undersc(EnumName),
+		    ic_code:insert_typedef(G, EnumNameStr, {enum, EnumNameStr}),
+		    {tk_enum,_,_,EList} = ic_forms:get_tk(X),
+		    emit(Fd, "\n#ifndef __~s__\n",[ic_util:to_uppercase(EnumNameStr)]),	
+		    emit(Fd, "#define __~s__\n",[ic_util:to_uppercase(EnumNameStr)]),
+		    ic_codegen:mcomment_light(Fd,
+					      [io_lib:format("Enum definition: ~s",
+							     [EnumNameStr])],
+					      c),
+		    emit(Fd, "typedef CORBA_enum {", []),
+		    emit_c_enum_values(G, N, Fd, EList),
+		    emit(Fd, "} ~s ;\n\n", [EnumNameStr]),
+		    create_c_enum_file(G, N, EnumNameStr, EList),
+		    emit(Fd, "\n#endif\n\n");
+
+		false ->   %% Do not generate included types att all.
+		    ok
+	    end;
+
+	false ->
+	    ok
+    end.
+
+
+emit_c_enum_values(_G, N, Fd, [E]) ->
+    emit(Fd, "~s", [ic_util:to_undersc([E| N])]);
+emit_c_enum_values(G, N, Fd, [E |Es]) ->
+    emit(Fd, "~s, ", [ic_util:to_undersc([E| N])]),
+    emit_c_enum_values(G, N, Fd, Es).
+
+
+open_c_coding_file(G, Name) ->
+    SName = string:concat(ic_util:mk_oe_name(G, "code_"), Name),
+    FName =  
+        ic_file:join(ic_options:get_opt(G, stubdir),ic_file:add_dot_c(SName)),
+    case file:open(FName, [write]) of
+        {ok, Fd} ->
+            {Fd, SName};
+        Other ->
+            exit(Other)
+    end.
+
+
+create_c_enum_file(G, N, Name, Elist) ->
+
+    {Fd , SName} = open_c_coding_file(G, Name),
+    HFd = ic_genobj:hrlfiled(G), %% Write on stubfile header
+    HrlFName = filename:basename(ic_genobj:include_file(G)),
+    ic_codegen:emit_stub_head(G, Fd, SName, c),
+    emit(Fd, "#include \"~s\"\n\n",[HrlFName]),
+
+    %%  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+    %%  Fd = ic_genobj:stubfiled(G), %% Write on stubfile
+    %%  HFd = ic_genobj:hrlfiled(G), %% Write on stubfile header
+    %%  HrlFName = filename:basename(ic_genobj:include_file(G)),
+    %%  emit(Fd, "#include \"~s\"\n\n",[HrlFName]),
+    %%  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+    emit(Fd, "char* ~s[~p] = {\n", [ic_util:mk_oe_name(G, Name),
+				    length(Elist)]),
+    emit_c_enum_array_values(Fd, Elist),
+    emit(Fd, "};\n\n",[]),
+    emit_sizecount(G, N, Fd, HFd, Name, Elist),
+    emit_encode(G, N, Fd, HFd, Name, Elist),
+    emit_decode(G, N, Fd, HFd, Name, Elist),
+    file:close(Fd).
+
+emit_c_enum_array_values(Fd, [E]) ->
+    emit(Fd, "  ~p\n", [E]);
+emit_c_enum_array_values(Fd, [E |Es]) ->
+    emit(Fd, "  ~p,\n", [E]),
+    emit_c_enum_array_values(Fd, Es).
+
+
+emit_sizecount(G, _N, Fd, HFd, Name, _Elist) ->
+
+    emit(HFd, "int ~s~s(CORBA_Environment *oe_env, int*, int*);\n",
+	 [ic_util:mk_oe_name(G, "sizecalc_"), Name]),
+
+    emit(Fd, "int ~s~s(CORBA_Environment *oe_env, int* oe_size_count_index, int* oe_size)\n"
+	 "{\n",
+	 [ic_util:mk_oe_name(G, "sizecalc_"), Name]),
+    emit(Fd, "  int oe_error_code = 0;\n\n",[]),
+
+    AlignName = lists:concat(["*oe_size + sizeof(",Name,")"]),
+    emit(Fd, "  *oe_size = ~s;\n\n",[ic_util:mk_align(AlignName)]),
+
+    emit(Fd, "  if ((oe_error_code = ei_decode_atom(oe_env->_inbuf, oe_size_count_index, 0)) < 0) {\n"),
+    emit_c_enc_rpt(Fd, "    ", "ei_decode_atom", []),
+    emit(Fd, "    return oe_error_code;\n   }\n"),
+    emit(Fd, "  return 0;\n\n",[]),
+    emit(Fd, "}\n\n",[]).
+
+
+emit_encode(G, _N, Fd, HFd, Name, _Elist) ->
+
+    emit(HFd, "int ~s~s(CORBA_Environment *oe_env, ~s);\n",
+	 [ic_util:mk_oe_name(G, "encode_"), Name, Name]),
+
+    emit(Fd, "int ~s~s(CORBA_Environment *oe_env, ~s oe_rec) {\n",
+	 [ic_util:mk_oe_name(G, "encode_"), Name, Name]),
+    emit(Fd, "  int oe_error_code = 0;\n\n",[]),
+
+    emit(Fd, "  if ((oe_error_code = oe_ei_encode_atom(oe_env, ~s[oe_rec])) < 0) {\n", 
+	 [ic_util:mk_oe_name(G, Name)]),
+    emit_c_enc_rpt(Fd, "    ", "oe_ei_encode_atom", []),
+    emit(Fd, "    return oe_error_code;\n  }\n"),
+
+    emit(Fd, "  return 0;\n\n",[]),
+    emit(Fd, "}\n\n",[]).
+
+emit_decode(G, _N, Fd, HFd, Name, Elist) ->
+
+    emit(HFd, "int ~s~s(CORBA_Environment *oe_env, char *, int*, ~s *);\n",
+	 [ic_util:mk_oe_name(G, "decode_"), Name, Name]),
+
+    emit(Fd, "int ~s~s(CORBA_Environment *oe_env, char *oe_first, int* oe_outindex, "
+	 "~s *oe_out) {\n\n",
+	 [ic_util:mk_oe_name(G, "decode_"), Name, Name]),
+    emit(Fd, "  int oe_error_code = 0;\n",[]),
+    emit(Fd, "  int oe_i;\n",[]),
+    emit(Fd, "  char oe_atom[256];\n\n",[]),
+
+    AlignName = lists:concat(["*oe_outindex + sizeof(",Name,")"]),
+    emit(Fd, "  *oe_outindex = ~s;\n\n",[ic_util:mk_align(AlignName)]),
+
+    emit(Fd, "  if ((oe_error_code = ei_decode_atom(oe_env->_inbuf, &oe_env->_iin, oe_atom)) < 0) {\n"),
+    emit_c_enc_rpt(Fd, "    ", "ei_decode_atom", []),
+    emit(Fd, "    return oe_error_code;\n  }\n"),
+
+    Len = length(Elist),
+    emit(Fd, "  for(oe_i = 0; oe_i < ~p && strcmp(oe_atom, ~s[oe_i]); oe_i++);\n",
+	 [Len, ic_util:mk_oe_name(G, Name)]),
+    emit(Fd, "    *oe_out = oe_i;\n\n", []),
+
+    emit(Fd, "  if (oe_i == ~p) {\n",[Len]),
+    emit_c_enc_rpt(Fd, "    ", "decode atom failure", []),
+    emit(Fd, "    return oe_error_code;\n  }\n"),
+
+    emit(Fd, "  return 0;\n",[]),
+    emit(Fd, "}\n\n",[]).
+
+
+
+
+