%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1998-2009. 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.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions 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",[]).
