The R13B03 release.OTP_R13B03

1 files changed, 1306 insertions, 0 deletions

diff --git a/lib/ic/src/ic_cbe.erl b/lib/ic/src/ic_cbe.erl
new file mode 100644
index 0000000000..1000e0d962
--- /dev/null
+++ b/lib/ic/src/ic_cbe.erl
@@ -0,0 +1,1306 @@
+%%
+%% %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%
+%%
+%%
+
+%%------------------------------------------------------------ 
+%%
+%% This module is a main module for generation of C code, both
+%% for ic_cclient and ic_cserver.
+%%
+%% The former role of this module (ic_cbe) was to generate client
+%% code only.
+%%
+-module(ic_cbe).
+
+-export([emit_malloc_size_stmt/7, emit_encoding_stmt/6,
+	 emit_encoding_stmt/7, emit_decoding_stmt/10,
+	 emit_decoding_stmt/11, emit_dealloc_stmts/3,
+	 mk_variable_name/1, mk_c_type/3, mk_c_type/4, mk_c_type2/3,
+	 is_variable_size/1, is_variable_size/3, mk_dim/1,
+	 mk_slice_dim/1, emit_tmp_variables/1, store_tmp_decl/2,
+	 extract_info/3, normalize_type/1]).
+
+%%------------------------------------------------------------
+%%
+%% Internal stuff
+%%
+%%------------------------------------------------------------
+
+-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").
+
+%%------------------------------------------------------------
+%%    ENCODING
+%%------------------------------------------------------------
+
+emit_encoding_stmt(G, N, Fd, T, LName, OutBuffer) when element(1, T) == scoped_id ->
+    case mk_c_type(G, N, T, evaluate_not) of
+	"erlang_pid" ->
+	    %% Note prefix: oe_ei 
+	    emit(Fd, "  if ((oe_error_code = "
+		 "oe_ei_encode_pid(oe_env, ~s)) < 0) {\n",
+		 [LName]),
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	"erlang_port" ->
+	    %% Note prefix: oe_ei 
+	    emit(Fd, "  if ((oe_error_code = "
+		 "oe_ei_encode_port(oe_env, ~s)) < 0) {\n",
+		 [LName]),
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n}  \n");
+	"erlang_ref" ->
+	    %% Note prefix: oe_ei 
+	    emit(Fd, "  if ((oe_error_code = "
+		 "oe_ei_encode_ref(oe_env, ~s)) < 0) {\n",
+		 [LName]),
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	"ETERM*" ->
+	    %% Note prefix: oe_ei 
+	    emit(Fd, "  if ((oe_error_code = "
+		 "oe_ei_encode_term(oe_env, ~s)) < 0) {\n",
+		 [LName]),
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	{enum, FSN} ->
+	    emit_encoding_stmt(G, N, Fd, FSN, LName, OutBuffer);
+	FSN ->
+	    emit_encoding_stmt(G, N, Fd, FSN, LName, OutBuffer)
+    end;
+
+%% XXX T is a string
+emit_encoding_stmt(G, N, Fd, T, LName, _OutBuffer)  when is_list(T) -> 
+    %% Already a fullscoped name
+    Type = ictype:name2type(G,T),
+    case ictype:isBasicType(Type) of
+	true ->
+	    emit_encoding_stmt_for_basic_type(G, N, T, Fd, Type, LName);
+	false ->
+	    emit(Fd, "  if ((oe_error_code = ~s~s(oe_env, ~s))"
+		 " < 0) {\n",
+		 [ic_util:mk_oe_name(G, "encode_"), T, LName]),
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]), % XXX list
+	    emit(Fd, "    return oe_error_code;\n  }\n")
+    end;
+emit_encoding_stmt(G, N, Fd, T, LName, _OutBuffer)  when is_record(T, string) ->
+    %% Note prefix: oe_ei 
+    emit(Fd, "  if ((oe_error_code = oe_ei_encode_string(oe_env, "
+	 " ~s)) < 0) {\n", 
+	 [LName]),
+    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+    emit(Fd, "    return oe_error_code;\n  }\n");
+emit_encoding_stmt(G, N, Fd, T, LName, _OutBuffer) when is_record(T, wstring) ->
+    %% Note prefix: oe_ei 
+    emit(Fd, "  if ((oe_error_code = oe_ei_encode_wstring(oe_env, "
+	 "~s)) < 0) {\n", 
+	 [LName]),
+    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+    emit(Fd, "    return oe_error_code;\n  }\n");
+emit_encoding_stmt(G, N, Fd, T, LName, _OutBuffer) ->
+    case normalize_type(T) of
+	{basic, Type} ->
+	    emit_encoding_stmt_for_basic_type(G, N, T, Fd, Type, LName);
+	%% XXX Why only returns?
+	{void, _} ->
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	{sequence, _, _} ->
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	{_ArrayType, {array, _, _}} ->
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	{union, _, _, _, _} -> 
+	    %% Union as a member in struct !  
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	{struct, _, _, _} -> 
+	    %% Struct as a member in struct !  
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	_ ->  
+	    ic_error:fatal_error(G, {illegal_typecode_for_c, T, N})
+    end.
+
+%% Arity = 7. 
+%%
+emit_encoding_stmt(G, N, X, Fd, T, LName, OutBuffer) when element(1, T) == scoped_id ->
+    case mk_c_type(G, N, T, evaluate_not) of
+	"erlang_pid" ->
+	    %% Note prefix: oe_ei 
+	    emit(Fd, "  if ((oe_error_code = "
+		 "oe_ei_encode_pid(oe_env, ~s)) < 0) {\n",
+		 [LName]),
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	"erlang_port" ->
+	    %% Note prefix: oe_ei 
+	    emit(Fd, "  if ((oe_error_code = "
+		 "oe_ei_encode_port(oe_env, ~s)) < 0) {\n",
+		 [LName]),
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	"erlang_ref" ->
+	    %% Note prefix: oe_ei 
+	    emit(Fd, "  if ((oe_error_code = "
+		 "oe_ei_encode_ref(oe_env, ~s)) < 0) {\n",
+		 [LName]),
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	"ETERM*" ->
+	    %% Note prefix: oe_ei 
+	    emit(Fd, "  if ((oe_error_code = "
+		 "oe_ei_encode_term(oe_env, ~s)) < 0) {\n",
+		 [LName]),
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	{enum, FSN} ->
+	    emit_encoding_stmt(G, N, X, Fd, FSN, LName, OutBuffer);
+	FSN ->
+	    emit_encoding_stmt(G, N, X, Fd, FSN, LName, OutBuffer)
+    end;
+
+%% XXX T is a string
+emit_encoding_stmt(G, N, X, Fd, T, LName, _OutBuffer) when is_list(T) -> 
+    %% Already a fullscoped name
+    case get_param_tk(LName,X) of
+	error ->
+	    emit(Fd, "  if ((oe_error_code = "
+		 "~s~s(oe_env, ~s)) < 0) {\n",
+		 [ic_util:mk_oe_name(G, "encode_"), T, LName]),
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	ParamTK ->
+	    case is_variable_size(ParamTK) of
+		true ->
+		    if is_tuple(ParamTK) ->
+			    case element(1,ParamTK) of
+				tk_array ->
+				    %% Array of dynamic data
+				    emit(Fd, 
+					 "  if ((oe_error_code = "
+					 "~s~s(oe_env, ~s)) < 0) {\n",
+					 [ic_util:mk_oe_name(G, 
+							     "encode_"), 
+					  T, LName]),
+				    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+				    emit(Fd, 
+					 "    return "
+					 "oe_error_code;\n  }\n");
+				_ ->
+				    emit(Fd, 
+					 "  if ((oe_error_code = "
+					 "~s~s(oe_env, ~s)) < 0) {\n",
+					 [ic_util:mk_oe_name(G, 
+							     "encode_"), 
+					  T, LName]),
+				    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+				    emit(Fd, "    return "
+					 "oe_error_code;\n  }\n")
+			    end;
+		       true ->
+			    emit(Fd, 
+				 "  if ((oe_error_code = "
+				 "~s~s(oe_env, ~s)) < 0) {\n",
+				 [ic_util:mk_oe_name(G, "encode_"),
+				  T, LName]),
+			    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+			    emit(Fd, "    return oe_error_code;\n  }\n")
+		    end;
+		false ->
+		    if is_atom(ParamTK) ->
+			    case normalize_type(ParamTK) of
+				{basic, Type} ->
+				    emit_encoding_stmt_for_basic_type(G, N, T, Fd,
+								      Type, 
+								      LName);
+				_ ->
+				    %% Why only return?
+				    ?emit_c_enc_rpt(Fd, "    ", "~/slist/~s", [T, LName]),
+				    emit(Fd, "    return oe_error_code;\n  }\n"),
+				    ok
+			    end;
+		       true ->
+			    case element(1,ParamTK) of
+				tk_enum ->
+				    emit(Fd, "  if ((oe_error_code = "
+					 "~s~s(oe_env, ~s)) < 0) {\n",
+					 [ic_util:mk_oe_name(G, "encode_"), 
+					  T, LName]),
+				    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+				    emit(Fd, "    return oe_error_code;\n  }\n");
+				tk_array ->
+				    emit(Fd, "  if ((oe_error_code = "
+					 "~s~s(oe_env, ~s)) < 0) {\n",
+					 [ic_util:mk_oe_name(G, "encode_"), 
+					  T, LName]),
+				    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+				    emit(Fd, "    return oe_error_code;\n  }\n");
+				tk_struct ->
+				    emit(Fd, "  if ((oe_error_code = "
+					 "~s~s(oe_env, ~s)) < 0) {\n",
+					 [ic_util:mk_oe_name(G, "encode_"),
+					  T, LName]),
+				    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+				    emit(Fd, "    return oe_error_code;\n  }\n");
+				tk_union ->
+				    emit(Fd, "  if ((oe_error_code = "
+					 "~s~s(oe_env, ~s)) < 0) {\n",
+					 [ic_util:mk_oe_name(G, "encode_"),
+					  T, LName]),
+				    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+				    emit(Fd, "    return oe_error_code;\n  }\n");
+				_ ->
+				    emit(Fd, "  if ((oe_error_code = "
+					 "~s~s(oe_env, &~s)) < 0) {\n",
+					 [ic_util:mk_oe_name(G, "encode_"),
+					  T, LName]),
+				    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+				    emit(Fd, "    return oe_error_code;\n  }\n")
+			    end
+		    end
+	    end
+    end;
+emit_encoding_stmt(G, N, _X, Fd, T, LName, _OutBuffer)  when is_record(T, string) ->
+    %% Note prefix: oe_ei 
+    emit(Fd, "  if ((oe_error_code = oe_ei_encode_string(oe_env, ~s)) < 0) {\n", 
+	 [LName]),
+    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+    emit(Fd, "    return oe_error_code;\n  }\n");
+emit_encoding_stmt(G, N, _X, Fd, T, LName, _OutBuffer) when is_record(T, wstring) ->
+    %% Note prefix: oe_ei 
+    emit(Fd, "  if ((oe_error_code = "
+	 "oe_ei_encode_wstring(oe_env, ~s)) < 0) {\n", 
+	 [LName]),
+    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+    emit(Fd, "    return oe_error_code;\n  }\n");
+emit_encoding_stmt(G, N, _X, Fd, T, LName, _OutBuffer) ->
+    case normalize_type(T) of
+	{basic, Type} ->
+	    emit_encoding_stmt_for_basic_type(G, N, T, Fd, Type, LName);
+	{void, _} ->
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n"),
+	    ok;
+	{sequence, _, _} ->
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n"),
+	    ok;
+	{_ArrayType, {array, _, _}} ->
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n"),
+	    ok;
+	{struct, _, _, _} -> %% Struct as a member in struct !  
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n"),
+	    ok;
+	_ ->
+	    %%io:format("2 ------------> ~p~n", [T]),
+	    ic_error:fatal_error(G, {illegal_typecode_for_c, T, N})
+    end.
+
+%%------------------------------------------------------------
+emit_encoding_stmt_for_basic_type(G, N, T, Fd, Type, LName) ->
+    {Cast, DecType} = 
+	case Type of
+ 	    ushort ->		{"(unsigned long) ", "ulong"};
+ 	    ulong ->		{"", "ulong"};
+ 	    ulonglong ->	{"", "ulonglong"};
+ 	    short ->		{"(long) ", "long"};
+ 	    long ->		{"", "long"};
+ 	    longlong ->		{"", "longlong"};
+ 	    float ->		{"(double) ", "double"};
+ 	    double ->		{"", "double"};
+ 	    boolean ->		{"", "atom"};
+ 	    char ->		{"", "char"};
+ 	    wchar ->		{"", "wchar"};
+ 	    octet ->		{"", "char"};
+ 	    any ->		{"", "long"}	% Fix for any
+	end,
+    case Type of	
+	boolean ->
+	    %% Note prefix: oe_ei 
+	    emit(Fd, "  switch(~s) {\n",[LName]),
+	    emit(Fd, "    case 0 :\n"),
+	    emit(Fd, "      if ((oe_error_code = "
+		 "oe_ei_encode_atom(oe_env, "
+		 "\"false\")) < 0) {\n"),
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n    }\n"),
+	    emit(Fd, "      break;\n"),
+	    emit(Fd, "    case 1 :\n"),
+	    emit(Fd, "      if ((oe_error_code = "
+		 "oe_ei_encode_atom(oe_env, "
+		 "\"true\")) < 0) {\n"),
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n    }\n"),
+	    emit(Fd, "      break;\n"),
+	    emit(Fd, "    default :\n"),
+	    emit(Fd, "      return -1;\n"),
+	    emit(Fd, "  }\n\n");
+	_ ->
+	    Fmt =
+		"  if ((oe_error_code = oe_ei_encode_~s(oe_env, ~s~s)) < 0) {\n",
+	    emit(Fd, Fmt, [DecType, Cast, LName]),
+	    ?emit_c_enc_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n  }\n")
+    end.
+
+
+%%------------------------------------------------------------ 
+%% MALLOC SIZE (for Decode)
+%%------------------------------------------------------------
+
+emit_malloc_size_stmt(G, N, Fd, T, InBuffer, 
+		      Align, CalcType) when element(1, T) == scoped_id ->
+    case mk_c_type(G, N, T, evaluate_not) of
+	"erlang_pid" ->
+	    emit(Fd, "  oe_malloc_size += sizeof(erlang_pid);\n\n"),
+	    emit(Fd, "  if ((oe_error_code = ei_decode_pid(~s, "
+		 "oe_size_count_index, NULL)) < 0) {\n", [InBuffer]),
+	    ?emit_c_dec_rpt(Fd, "    ", "erlang_pid", []),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	"erlang_port" ->
+	    emit(Fd, "  oe_malloc_size += sizeof(erlang_port);\n\n"),
+	    emit(Fd, "  if ((oe_error_code = ei_decode_port(~s, "
+		 "oe_size_count_index, NULL)) < 0) {\n", [InBuffer]),
+	    ?emit_c_dec_rpt(Fd, "    ", "erlang_port", []),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	"erlang_ref" ->
+	    emit(Fd, "  oe_malloc_size += sizeof(erlang_ref);\n\n"),
+	    emit(Fd, "  if ((oe_error_code = ei_decode_ref(~s, "
+		 "oe_size_count_index, NULL)) < 0) {\n", [InBuffer]),
+	    ?emit_c_dec_rpt(Fd, "    ", "erlang_ref", []),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	"ETERM*" ->
+	    emit(Fd, "  oe_malloc_size += sizeof(char*);\n\n"),
+	    emit(Fd, "  if ((oe_error_code = ei_decode_term(~s, "
+		 "oe_size_count_index, NULL)) < 0) {\n", [InBuffer]),
+	    ?emit_c_dec_rpt(Fd, "    ", "ETERM*", []),
+	    emit(Fd, "    return oe_error_code;\n  }\n");
+	{enum, FSN} ->
+	    emit_malloc_size_stmt(G, N, Fd, FSN, InBuffer, Align, CalcType);
+	FSN ->
+	    %% io:format("emit_malloc_size_stmt: ~p ~p~n",[FSN, 
+	    %% CalcType]),
+	    emit_malloc_size_stmt(G, N, Fd, FSN, InBuffer, Align, CalcType)
+    end;
+
+%% XXX T is a string
+emit_malloc_size_stmt(G, N, Fd, T, InBuffer, 
+		      _Align, CalcType)  when is_list(T) -> 
+    %% Already a fullscoped name
+    Type = ictype:name2type(G,T),
+    case ictype:isBasicType(Type) of
+	true ->
+	    emit_malloc_size_stmt_for_basic_type(G, N, T, Fd, Type, InBuffer);
+	false ->
+	    case CalcType of
+		generator ->
+		    emit(Fd, "    if ((oe_error_code = ~s~s(oe_env, "
+			 "oe_size_count_index, &oe_malloc_size)) < 0) {\n",
+			 [ic_util:mk_oe_name(G, "sizecalc_"), T]),
+		    ?emit_c_dec_rpt(Fd, "    ", "~s", [T]),
+		    emit(Fd, "    return oe_error_code;\n    }\n");
+		_ ->
+		    emit(Fd, "    if ((oe_error_code = ~s~s(oe_env, "
+			 "&oe_size_count_index, &oe_malloc_size)) < 0) {\n",
+			 [ic_util:mk_oe_name(G, "sizecalc_"), T]),
+		    ?emit_c_dec_rpt(Fd, "    ", "~s", [T]),
+		    emit(Fd, "    return oe_error_code;\n    }\n")
+	    end
+    end;
+emit_malloc_size_stmt(G, N, Fd, T, InBuffer, _Align, 
+		      CalcType) when is_record(T, string) ->
+    Tname = mk_variable_name(op_variable_count),
+    store_tmp_decl("    int ~s = 0;\n",[Tname]),
+    case CalcType of
+	generator ->
+	    emit(Fd, "    if ((oe_error_code = ei_get_type(~s, "
+		 "oe_size_count_index, &oe_type, &~s)) < 0) {\n",
+		 [InBuffer, Tname]);
+	_ ->
+	    emit(Fd, "    int oe_type = 0;\n"),
+	    emit(Fd, "    int oe_temp = 0;\n\n"),
+	    emit(Fd, "    if ((oe_error_code = ei_get_type(~s, "
+		 "&oe_size_count_index, &oe_type, &oe_temp)) < 0) {\n",
+		 [InBuffer])
+    end,
+    ?emit_c_dec_rpt(Fd, "      ", "ei_get_type", []),
+    emit(Fd, "      return oe_error_code;\n    }\n"),
+    if
+	T#string.length == 0 ->
+	    ok;
+	true ->
+	    Length = ic_util:eval_c(G, N, T#string.length), 
+	    case CalcType of
+		generator ->
+		    emit(Fd, "  if (~s > ~s)\n",[Tname, Length]),
+		    emit(Fd, "    return -1;\n\n");
+		_ ->
+		    emit(Fd, "  if (oe_temp > ~s)\n",[Length]),
+		    emit(Fd, "    return -1;\n\n")
+	    end		    
+    end,
+    case CalcType of
+	generator ->
+	    emit(Fd, "    if ((oe_error_code = ei_decode_string(~s, "
+		 "oe_size_count_index, NULL)) < 0) {\n", [InBuffer]);
+	_ ->
+	    emit(Fd, "    if ((oe_error_code = ei_decode_string(~s, "
+		 "&oe_size_count_index, NULL)) < 0) {\n", [InBuffer])
+    end,
+    ?emit_c_dec_rpt(Fd, "      ", "ei_decode_string", []),
+    emit(Fd, "      return oe_error_code;\n    }\n"),
+    case CalcType of
+	generator ->
+	    emit(Fd, "    oe_malloc_size = ~s;\n\n", 
+		 [ic_util:mk_align("oe_malloc_size + " ++ Tname ++"+1")]);
+	_ ->
+	    emit(Fd, "    oe_malloc_size = ~s;\n\n", 
+		 [ic_util:mk_align("oe_malloc_size + oe_temp+1")])
+    end;
+emit_malloc_size_stmt(G, N, Fd, T, InBuffer, _Align, 
+		      CalcType) when is_record(T, wstring) ->
+    Tname = mk_variable_name(op_variable_count),
+    store_tmp_decl("    int ~s = 0;\n",[Tname]),
+    case CalcType of
+	generator ->
+	    emit(Fd, "    if ((oe_error_code = ei_get_type(~s, "
+		 "oe_size_count_index, &oe_type, &~s)) < 0) {\n",
+		 [InBuffer, Tname]);
+	_ ->
+	    emit(Fd, "    int oe_type = 0;\n"),
+	    emit(Fd, "    int oe_temp = 0;\n\n"),
+	    emit(Fd, "    if ((oe_error_code = ei_get_type(~s, "
+		 "&oe_size_count_index, &oe_type, &oe_temp)) < 0) {\n",
+		 [InBuffer])
+    end,
+    ?emit_c_dec_rpt(Fd, "    ", "ei_get_type", []),
+    emit(Fd, "    return oe_error_code;\n    }\n"),
+    if
+	T#wstring.length == 0 ->
+	    ok;
+	true ->
+	    Length = ic_util:eval_c(G, N, T#wstring.length), 
+	    case CalcType of
+		generator ->
+		    emit(Fd, "  if (~s > ~s)\n",[Tname, Length]),
+		    emit(Fd, "    return -1;\n\n");
+		_ ->
+		    emit(Fd, "  if (oe_temp > ~s)\n",[Length]),
+		    emit(Fd, "    return -1;\n\n")
+	    end		    
+    end,
+    case CalcType of
+	generator ->
+	    %% Note prefix: oe_ei 
+	    emit(Fd, "    if ((oe_error_code = oe_ei_decode_wstring(~s, "
+		 "oe_size_count_index, NULL)) < 0) {\n", [InBuffer]);
+	_ ->
+	    %% Note prefix: oe_ei 
+	    emit(Fd, "    if ((oe_error_code = oe_ei_decode_wstring(~s, "
+		 "&oe_size_count_index, NULL)) < 0) {\n", [InBuffer])
+    end,
+    ?emit_c_dec_rpt(Fd, "    ", "oe_ei_decode_wstring", []),
+    emit(Fd, "    return oe_error_code;\n    }\n"),
+    case CalcType of
+	generator ->
+	    emit(Fd, "    oe_malloc_size =\n      ~s;\n\n", 
+		 [ic_util:mk_align("oe_malloc_size + ((" 
+				   ++ Tname 
+				   ++"+ 1) * __OE_WCHAR_SIZE_OF__)")]);
+	_ ->
+	    emit(Fd, "    oe_malloc_size =\n      ~s;\n\n", 
+		 [ic_util:mk_align("oe_malloc_size + (("
+				   "oe_temp + 1) * __OE_WCHAR_SIZE_OF__)")])
+    end;
+emit_malloc_size_stmt(G, N, Fd, T, InBuffer, Align, CalcType) ->
+    case Align of
+	0 ->
+	    emit(Fd, "  oe_malloc_size += sizeof(~s);\n\n", 
+		 [mk_c_type(G, N, T)]);
+	_ -> 
+	    ok
+    end,
+    case normalize_type(T) of
+	{basic, Type} ->
+	    emit_malloc_size_stmt_for_basic_type(G, N, T, Fd, Type, InBuffer);
+	{void, _} ->
+	    ok;
+	{sequence, _, _} ->
+	    ok;
+	{_, {array, SId, _}} ->
+	    case CalcType of
+		generator ->
+		    emit(Fd, "    if ((oe_error_code = ~s~s(oe_env, "
+			 "oe_size_count_index, &oe_malloc_size)) < 0) {\n",
+			 [ic_util:mk_oe_name(G, "sizecalc_"), 
+			  ic_forms:get_id2(SId)]),
+		    ?emit_c_dec_rpt(Fd, "    ", "array1", []),
+		    emit(Fd, "    return oe_error_code;\n\n");
+		_ ->
+		    emit(Fd, "    if ((oe_error_code = ~s~s(oe_env, "
+			 "&oe_size_count_index, &oe_malloc_size)) < 0) {\n",
+			 [ic_util:mk_oe_name(G, "sizecalc_"), 
+			  ic_forms:get_id2(SId)]),
+		    ?emit_c_dec_rpt(Fd, "    ", "array2", []),
+		    emit(Fd, "    return oe_error_code;\n\n")
+	    end;
+	{union, UId, _, _, _} ->
+	    case CalcType of
+		generator ->
+		    emit(Fd, "    if ((oe_error_code = ~s~s(oe_env, "
+			 "oe_size_count_index, &oe_malloc_size)) < 0) {\n",
+			 [ic_util:mk_oe_name(G, "sizecalc_"), 
+			  ic_forms:get_id2(UId)]),
+		    ?emit_c_dec_rpt(Fd, "    ", "union1", []),
+		    emit(Fd, "    return oe_error_code;\n\n");
+		_ ->
+		    emit(Fd, "    if ((oe_error_code = ~s~s(oe_env, "
+			 "&oe_size_count_index, &oe_malloc_size)) < 0) {\n",
+			 [ic_util:mk_oe_name(G, "sizecalc_"), 
+			  ic_forms:get_id2(UId)]),
+		    ?emit_c_dec_rpt(Fd, "    ", "union2", []),
+		    emit(Fd, "    return oe_error_code;\n\n")
+	    end;
+	{struct, UId, _, _} -> %% Struct as a member in struct !
+	    case CalcType of
+		generator ->
+		    emit(Fd, "    if ((oe_error_code = ~s~s(oe_env, "
+			 "oe_size_count_index, &oe_malloc_size)) < 0) {\n",
+			 [ic_util:mk_oe_name(G, "sizecalc_"), 
+			  ic_forms:get_id2(UId)]),
+		    ?emit_c_dec_rpt(Fd, "    ", "struct1", []),
+		    emit(Fd, "    return oe_error_code;\n\n");
+		_ ->
+		    emit(Fd, "    if ((oe_error_code = ~s~s(oe_env, "
+			 "&oe_size_count_index, &oe_malloc_size)) < 0) {\n",
+			 [ic_util:mk_oe_name(G, "sizecalc_"), 
+			  ic_forms:get_id2(UId)]),
+		    ?emit_c_dec_rpt(Fd, "    ", "struct2", []),
+		    emit(Fd, "    return oe_error_code;\n\n")
+	    end;
+	{any, _} ->   %% Fix for any type
+	    emit(Fd, "    if ((oe_error_code = ei_decode_long(~s, "
+		 "oe_size_count_index, NULL)) < 0) {\n",
+		 [InBuffer]),
+	    ?emit_c_dec_rpt(Fd, "    ", "any", []),
+	    emit(Fd, "    return oe_error_code;\n    }\n");
+	_ ->
+	    ic_error:fatal_error(G, {illegal_typecode_for_c, T, N})
+    end.
+
+%%------------------------------------------------------------
+
+emit_malloc_size_stmt_for_basic_type(G, N, T, Fd, Type, InBuffer) ->
+    {Pre, DecType} = 
+	case Type of
+	    ushort ->		{"", "ulong"};
+	    ulong ->		{"", "ulong"};
+	    ulonglong ->	{"oe_", "ulonglong"};
+	    short ->		{"", "long"};
+	    long ->		{"", "long"};
+	    longlong ->		{"oe_", "longlong"};
+	    float ->		{"", "double"};
+	    double ->		{"", "double"};
+	    boolean ->		{"", "atom"};
+	    char ->		{"", "char"};
+	    wchar ->		{"oe_", "wchar"};
+	    octet ->		{"", "char"};
+	    any ->		{"", "long"}
+	end,
+    Fmt = 
+	"    if ((oe_error_code = ~sei_decode_~s(~s, oe_size_count_index, "
+	"NULL)) < 0) {\n",
+    emit(Fd, Fmt, [Pre, DecType, InBuffer]),
+    ?emit_c_dec_rpt(Fd, "      ", "~s", [DecType]),
+    emit(Fd, "      return oe_error_code;\n    }\n").
+
+%%------------------------------------------------------------
+%%    DECODING
+%%------------------------------------------------------------
+
+emit_decoding_stmt(G, N, Fd, T, LName, IndOp, InBuffer, Align, 
+		   NextPos, DecType) ->
+    emit_decoding_stmt(G, N, Fd, T, LName, IndOp, InBuffer, Align, 
+		       NextPos, DecType, []).
+
+emit_decoding_stmt(G, N, Fd, T, LName, IndOp, InBuffer, Align, NextPos,
+		   DecType, AllocedPars) when element(1, T) == scoped_id ->
+    Fmt = 
+	"  if ((oe_error_code = ei_decode_~s(~s, &oe_env->_iin, ~s~s)) < 0)"
+	" {\n",
+    Emit = fun(Type) ->
+		   emit(Fd, Fmt, [Type, InBuffer, IndOp, LName]),
+		   emit_dealloc_stmts(Fd, "    ", AllocedPars),
+		   ?emit_c_dec_rpt(Fd, "    ", "~s", [LName]),
+		   emit(Fd, "    return oe_error_code;\n"),
+		   emit(Fd, "  }\n")
+	   end,
+    case mk_c_type(G, N, T, evaluate_not) of
+	"erlang_pid" ->
+	    Emit("pid");
+	"erlang_port" ->
+	    Emit("port");
+	"erlang_ref" ->
+	    Emit("ref");
+	"ETERM*" ->
+	    Emit("term");
+	{enum, FSN} ->
+	    emit_decoding_stmt(G, N, Fd, FSN, LName, IndOp, InBuffer,
+			       Align, NextPos, DecType, AllocedPars);
+	FSN ->
+	    emit_decoding_stmt(G, N, Fd, FSN, LName, IndOp, InBuffer,
+			       Align, NextPos, DecType, AllocedPars) 
+    end;
+
+%% XXX T is a string
+emit_decoding_stmt(G, N, Fd, T, LName, IndOp, InBuffer, _Align, NextPos,
+		   DecType, AllocedPars)  when is_list(T) -> 
+    %% Already a fullscoped name
+    Type = ictype:name2type(G,T),
+    case ictype:isBasicType(Type) of
+	true ->
+	    emit_decoding_stmt_for_basic_type(G, N, T, Fd, Type, InBuffer, IndOp, 
+					      LName, AllocedPars);
+	false ->
+	    case DecType of
+		generator ->
+		    emit(Fd, "  if ((oe_error_code = ~s~s(oe_env, oe_first, "
+			 "~s, ~s)) < 0) {\n",
+			 [ic_util:mk_oe_name(G, "decode_"),
+			  T, NextPos, LName]),
+		    emit_dealloc_stmts(Fd, "    ", AllocedPars),
+		    ?emit_c_dec_rpt(Fd, "    ", "~s", [LName]),
+		    emit(Fd, "    return oe_error_code;\n"),
+		    emit(Fd, "  }\n");
+		caller -> %% No malloc used, define oe_first
+		    emit(Fd, "    {\n"),
+		    emit(Fd, "      void *oe_first = NULL;\n"), 
+		    emit(Fd, "      int oe_outindex = 0;\n\n"),
+		    emit(Fd, "      if ((oe_error_code = ~s~s(oe_env, "
+			 "oe_first, ~s, ~s)) < 0) {\n",
+			 [ic_util:mk_oe_name(G, "decode_"),
+			  T, NextPos, LName]),
+		    emit_dealloc_stmts(Fd, "      ", AllocedPars),
+		    ?emit_c_dec_rpt(Fd, "         ", "~s", [LName]),
+		    emit(Fd, "        return oe_error_code;\n"),
+		    emit(Fd, "      }\n"),
+		    emit(Fd, "    }\n");
+		caller_dyn ->  %% Malloc used
+		    emit(Fd, "    {\n"),
+		    emit(Fd, "      int oe_outindex = 0;\n\n"),
+		    emit(Fd, "      if ((oe_error_code = ~s~s(oe_env, "
+			 "oe_first, ~s, ~s)) < 0) {\n",
+			 [ic_util:mk_oe_name(G, "decode_"),
+			  T, NextPos, LName]),
+		    emit_dealloc_stmts(Fd, "        ", AllocedPars),
+		    ?emit_c_dec_rpt(Fd, "        ", "~s", [LName]),
+		    emit(Fd, "        return oe_error_code;\n"),
+		    emit(Fd, "      }\n"),
+		    emit(Fd, "    }\n");
+		array_dyn ->  %% Malloc used
+		    emit(Fd, "    {\n"),
+		    emit(Fd, "      int oe_outindex = 0;\n\n"),
+		    emit(Fd, "      if ((oe_error_code = ~s~s(oe_env, "
+			 "oe_first, ~s, ~s)) < 0) {\n",
+			 [ic_util:mk_oe_name(G, "decode_"),
+			  T, NextPos, LName]),
+		    emit_dealloc_stmts(Fd, "    ", AllocedPars),
+		    ?emit_c_dec_rpt(Fd, "        ", "~s", [LName]),
+		    emit(Fd, "        return oe_error_code;\n"),
+		    emit(Fd, "      }\n"),
+		    emit(Fd, "    }\n");
+		array_fix_ret ->
+		    emit(Fd, "    {\n"),
+		    emit(Fd, "      int oe_outindex = 0;\n\n"),
+		    emit(Fd, "      if ((oe_error_code = ~s~s(oe_env, "
+			 "oe_first, ~s,*~s)) < 0) {\n",
+			 [ic_util:mk_oe_name(G, "decode_"),
+			  T, NextPos, LName]),
+		    emit_dealloc_stmts(Fd, "        ", AllocedPars),
+		    ?emit_c_dec_rpt(Fd, "         ", "~s", [LName]),
+		    emit(Fd, "        return oe_error_code;\n"),
+		    emit(Fd, "      }\n"),
+		    emit(Fd, "    }\n");
+		array_fix_out -> %% No malloc used, define oe_first
+		    emit(Fd, "    {\n"),
+		    emit(Fd, "      void *oe_first = NULL;\n"), 
+		    emit(Fd, "      int oe_outindex = 0;\n\n"),
+		    emit(Fd, "      if ((oe_error_code = ~s~s(oe_env, "
+			 "oe_first, ~s, ~s)) < 0) {\n",
+			 [ic_util:mk_oe_name(G, "decode_"),
+			  T, NextPos, LName]),
+		    emit_dealloc_stmts(Fd, "        ", AllocedPars),
+		    ?emit_c_dec_rpt(Fd, "        ", "~s", [LName]),
+		    emit(Fd, "        return oe_error_code;\n"),
+		    emit(Fd, "      }\n"),
+		    emit(Fd, "    }\n")
+	    end
+    end;
+emit_decoding_stmt(G, N, Fd, T, LName, IndOp, InBuffer, _Align, _NextPos,
+		   DecType, AllocedPars)  when is_record(T, string) ->
+    case DecType of
+	caller_dyn ->
+	    emit(Fd, "  if ((oe_error_code = ei_decode_string(~s, "
+		 "&oe_env->_iin, ~s~s)) < 0) {\n", 
+		 [InBuffer, IndOp, LName]),
+	    emit_dealloc_stmts(Fd, "    ", AllocedPars),
+	    ?emit_c_dec_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n"),
+	    emit(Fd, "  }\n");
+	_ ->
+	    emit(Fd, "  ~s~s = oe_first + *oe_outindex;\n\n", 
+		 [IndOp, LName]),
+	    emit(Fd, "  {\n"),
+	    emit(Fd, "    int oe_type=0;\n"),
+	    emit(Fd, "    int oe_string_ctr=0;\n\n"),
+
+	    emit(Fd, "    (int) ei_get_type(~s, "
+		 "&oe_env->_iin, &oe_type, &oe_string_ctr);\n\n",
+		 [InBuffer]),
+
+	    emit(Fd, "    if ((oe_error_code = ei_decode_string(~s, "
+		 "&oe_env->_iin, ~s~s)) < 0) {\n", 
+		 [InBuffer, IndOp, LName]),
+	    emit_dealloc_stmts(Fd, "      ", AllocedPars),
+	    ?emit_c_dec_rpt(Fd, "      ", "~s", [LName]),
+	    emit(Fd, "      return oe_error_code;\n"),
+	    emit(Fd, "    }\n"),
+	    emit(Fd, "  *oe_outindex = ~s;\n",
+		 [ic_util:mk_align("*oe_outindex+oe_string_ctr+1")]),
+	    emit(Fd, "  }\n\n")	
+    end;
+emit_decoding_stmt(G, N, Fd, T, LName, IndOp, InBuffer, _Align, _NextPos,
+		   DecType, AllocedPars)  when is_record(T, wstring) ->  
+    case DecType of
+	caller_dyn ->
+	    %% Note prefix: oe_ei 
+	    emit(Fd, "  if ((oe_error_code = oe_ei_decode_wstring(~s, "
+		 "&oe_env->_iin, ~s~s)) < 0) {\n", 
+		 [InBuffer, IndOp, LName]),
+	    emit_dealloc_stmts(Fd, "    ", AllocedPars),
+	    ?emit_c_dec_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n"),
+	    emit(Fd, "  }/* --- */\n");		% XXX
+	_ ->
+	    emit(Fd, "  ~s~s = oe_first + *oe_outindex;\n\n", 
+		 [IndOp, LName]),
+
+	    emit(Fd, "  {\n"),
+	    emit(Fd, "    int oe_type=0;\n"),
+	    emit(Fd, "    int oe_string_ctr=0;\n\n"),
+	    emit(Fd, "    (int) ei_get_type(~s, "
+		 "&oe_env->_iin, &oe_type, &oe_string_ctr);\n\n",
+		 [InBuffer]),
+	    %% Note prefix: oe_ei 
+	    emit(Fd, "    if ((oe_error_code = oe_ei_decode_wstring(~s, "
+		 "&oe_env->_iin, ~s~s)) < 0) {\n", 
+		 [InBuffer, IndOp, LName]),
+	    emit_dealloc_stmts(Fd, "      ", AllocedPars),
+	    ?emit_c_dec_rpt(Fd, "      ", "~s", [LName]),
+	    emit(Fd, "      return oe_error_code;\n"),
+	    emit(Fd, "    }\n"),
+	    emit(Fd, "  *oe_outindex = ~s;\n",
+		 [ic_util:mk_align("*oe_outindex+oe_string_ctr+1")]),
+	    emit(Fd, "  }\n")	
+    end;
+emit_decoding_stmt(G, N, Fd, T, LName, IndOp, InBuffer, _Align, NextPos,
+		   _DecType, AllocedPars) ->
+    case normalize_type(T) of
+	{basic, Type} ->
+	    emit_decoding_stmt_for_basic_type(G, N, T, Fd, Type, InBuffer, IndOp, 
+					      LName, AllocedPars);
+	{void, _} ->
+	    emit(Fd, "  if ((oe_error_code = ei_decode_atom(~s, "
+		 "&oe_env->_iin, NULL)) < 0) {\n", 
+		 [InBuffer]),
+	    emit_dealloc_stmts(Fd, "    ", AllocedPars),
+	    ?emit_c_dec_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n"),
+	    emit(Fd, "  }\n");
+	{sequence, _, _} ->
+	    ok;
+	{_, {array, SId, Dims}} ->
+	    AName = ic_forms:get_id2({array, SId, Dims}),
+	    Ptr = "oe_out->"++AName,
+	    emit(Fd, "  if ((oe_error_code = ~s~s(oe_env, "
+		 "oe_first, ~s, ~s)) < 0) {\n",
+		 [ic_util:mk_oe_name(G, "decode_"),
+		  ic_forms:get_id2(SId), 
+		  NextPos, Ptr]),
+	    emit_dealloc_stmts(Fd, "    ", AllocedPars),
+	    ?emit_c_dec_rpt(Fd, "    ", "~s", [LName]),
+	    emit(Fd, "    return oe_error_code;\n"),
+	    emit(Fd, "  }\n");
+	{struct, _, _, _} -> %% Struct as a member in struct !  
+	    ok;
+	_ ->
+	    %%io:format("3 ------------> ~p~n", [T]),
+	    ic_error:fatal_error(G, {illegal_typecode_for_c, T, N})
+    end.
+
+%% XXX DecType used in two senses in this file. 
+emit_decoding_stmt_for_basic_type(G, N, T, Fd, Type, InBuffer, IndOp, 
+				  LName, AllocedPars) ->
+    Fmt = 
+	"  if ((oe_error_code = ~sei_decode_~s(~s, &oe_env->_iin, "
+	"~s~s)) < 0) {\n", 
+    Ret = 
+	"    return oe_error_code;\n"
+	"}\n",
+
+    {Pre, DecType} = 
+	case Type of
+	    ushort ->		{"", "ulong"};
+	    ulong ->		{"", "ulong"};
+	    ulonglong ->	{"oe_", "ulonglong"};
+	    short ->		{"", "long"};
+	    long ->		{"", "long"};
+	    longlong ->		{"oe_", "longlong"};
+	    float ->		{"", "double"};
+	    double ->		{"", "double"};
+	    boolean ->		{"", "atom"};
+	    char ->		{"", "char"};
+	    wchar ->		{"oe_", "wchar"};
+	    octet ->		{"", "char"};
+	    any ->		{"", "long"}
+	end,
+    case Type of
+	ushort ->
+	    emit(Fd, "  {\n"),
+	    emit(Fd, "    unsigned long oe_ulong;\n"),
+	    emit(Fd, "    if ((oe_error_code = ei_decode_ulong(~s, "
+		 "&oe_env->_iin, &oe_ulong)) < 0) {\n",
+		 [InBuffer]),
+	    emit_dealloc_stmts(Fd, "    ", AllocedPars),
+	    ?emit_c_dec_rpt(Fd, "      ", "~s", [LName]),
+	    emit(Fd, "      return oe_error_code;\n"),
+	    emit(Fd, "}\n"),
+	    emit(Fd, "    *(~s) = (unsigned short) oe_ulong;\n\n",
+		 [LName]),
+	    emit(Fd, "    if (*(~s) !=  oe_ulong){\n",
+		 [LName]),
+	    emit_dealloc_stmts(Fd, "      ", AllocedPars),
+	    ?emit_c_dec_rpt(Fd, "      ", "~s", [LName]),
+	    emit(Fd, "      return -1;\n"),
+	    emit(Fd, "    }\n"),
+	    emit(Fd, "  }\n\n");
+	short ->
+	    emit(Fd, "  {\n"),
+	    emit(Fd, "    long oe_long;\n"),
+	    emit(Fd, "    if ((oe_error_code = ei_decode_long(~s, "
+		 "&oe_env->_iin, &oe_long)) < 0){\n",
+		 [InBuffer]),
+	    emit_dealloc_stmts(Fd, "    ", AllocedPars),
+	    ?emit_c_dec_rpt(Fd, "      ", "~s", [LName]),
+	    emit(Fd, "      return oe_error_code;\n\n"),
+	    emit(Fd, "}\n"),
+	    emit(Fd, "    *(~s) = (short) oe_long;\n\n",[LName]),
+	    emit(Fd, "    if (*(~s) !=  oe_long){\n", [LName]),
+	    emit_dealloc_stmts(Fd, "      ", AllocedPars),
+	    ?emit_c_dec_rpt(Fd, "      ", "~s", [LName]),
+	    emit(Fd, "      return -1;\n"),
+	    emit(Fd, "    }\n"),
+	    emit(Fd, "  }\n");
+	float ->
+	    emit(Fd, "  {\n"),
+	    emit(Fd, "    double oe_double;\n"),
+	    emit(Fd, "    if ((oe_error_code = ei_decode_double(~s, "
+		 "&oe_env->_iin, &oe_double)) < 0){\n",
+		 [InBuffer]),
+	    emit_dealloc_stmts(Fd, "      ", AllocedPars),
+	    ?emit_c_dec_rpt(Fd, "      ", "~s", [LName]),
+	    emit(Fd, "      return oe_error_code;\n\n"),
+	    emit(Fd,      "}\n"),
+	    emit(Fd, "    *(~s) = (float) oe_double;\n",[LName]),
+	    emit(Fd, "  }\n");
+	boolean ->
+	    emit(Fd, "  {\n"),
+	    emit(Fd, "    char oe_bool[25];\n\n"),
+	    emit(Fd, "    if ((oe_error_code = ei_decode_atom(~s, "
+		 "&oe_env->_iin, oe_bool)) < 0){\n",[InBuffer]),
+	    emit_dealloc_stmts(Fd, "      ", AllocedPars),
+	    ?emit_c_dec_rpt(Fd, "      ", "~s", [LName]),
+	    emit(Fd, "      return oe_error_code;\n"),
+	    emit(Fd,      "}\n"),
+	    emit(Fd, "    if (strcmp(oe_bool, \"false\") == 0) {\n"),
+	    emit(Fd, "      *(~s) = 0;\n",[LName]), 
+	    emit(Fd, "    }\n"),
+	    emit(Fd, "    else if (strcmp(oe_bool, \"true\") == 0)"
+		 " {\n"),
+	    emit(Fd, "      *(~s) = 1;\n",[LName]), 
+	    emit(Fd, "    }\n"),
+	    emit(Fd, "    else {\n"),
+	    emit_dealloc_stmts(Fd, "      ", AllocedPars),
+	    ?emit_c_dec_rpt(Fd, "      ", "~s", [LName]),
+	    emit(Fd, "      return -1;\n"),
+	    emit(Fd, "    }\n"),
+	    emit(Fd, "  }\n");
+	_ ->
+	    emit(Fd, Fmt, [Pre, DecType, InBuffer, IndOp, LName]),
+	    ?emit_c_dec_rpt(Fd, "    ", "~s", [LName]),
+	    emit_dealloc_stmts(Fd, "    ", AllocedPars),
+	    emit(Fd, Ret)
+    end.
+
+%%------------------------------------------------------------
+%%
+%%------------------------------------------------------------
+emit_dealloc_stmts(Fd, Prefix, AllocedPars) ->
+    Fmt = Prefix ++ "CORBA_free(~s);\n",
+    lists:foreach(
+      fun(Par) -> emit(Fd, Fmt, [Par]) end, 
+      AllocedPars).
+
+
+%%------------------------------------------------------------
+%%
+%%------------------------------------------------------------
+
+mk_variable_name(Var) ->
+    Nr = get(Var),
+    put(Var, Nr + 1),
+    "oe_tmp" ++ integer_to_list(Nr).
+
+%%    IDL to C type conversion
+%%------------------------------------------------------------
+mk_c_type(G, N, S) ->
+    mk_c_type(G, N, S, evaluate).
+
+mk_c_type(G, N, S, evaluate) when element(1, S) == scoped_id ->
+    {FullScopedName, _T, _TK, _} = ic_symtab:get_full_scoped_name(G, N, S),
+    BT = ic_code:get_basetype(G, ic_util:to_undersc(FullScopedName)),
+    case BT of
+	"erlang_binary" ->
+	    "erlang_binary";
+	"erlang_pid" ->
+	    "erlang_pid";
+	"erlang_port" ->
+	    "erlang_port";
+	"erlang_ref" ->
+	    "erlang_ref";
+	"erlang_term" ->
+	    "ETERM*";
+	{enum, Type} ->
+	    mk_c_type(G, N, Type, evaluate);
+	Type ->
+	    mk_c_type(G, N, Type, evaluate)
+    end;
+
+mk_c_type(G, N, S, evaluate_not) when element(1, S) == scoped_id ->
+    {FullScopedName, _T, _TK, _} = ic_symtab:get_full_scoped_name(G, N, S),
+    BT = ic_code:get_basetype(G, ic_util:to_undersc(FullScopedName)),
+    case BT of
+	"erlang_binary" ->
+	    "erlang_binary";
+	"erlang_pid" ->
+	    "erlang_pid";
+	"erlang_port" ->
+	    "erlang_port";
+	"erlang_ref" ->
+	    "erlang_ref";
+	"erlang_term" ->
+	    "ETERM*";
+	Type ->
+	    Type
+    end;
+mk_c_type(_G, _N, S, _) when is_list(S) ->
+    S;
+mk_c_type(_G, _N, S, _) when is_record(S, string) ->
+    "CORBA_char *";
+mk_c_type(_G, _N, S, _) when is_record(S, wstring) -> 
+    "CORBA_wchar *";
+mk_c_type(_G, _N, {boolean, _}, _) ->
+    "CORBA_boolean";
+mk_c_type(_G, _N, {octet, _}, _) ->
+    "CORBA_octet";
+mk_c_type(_G, _N, {void, _}, _) ->
+    "void";
+mk_c_type(_G, _N, {unsigned, U}, _) ->
+    case U of
+	{short,_} ->
+	    "CORBA_unsigned_short";
+	{long,_} ->
+	    "CORBA_unsigned_long";
+	{'long long',_} ->
+	    "CORBA_unsigned_long_long"
+    end;
+
+mk_c_type(_G, _N, {'long long', _}, _) ->
+    "CORBA_long_long";
+
+mk_c_type(_G, _N, S, _) when is_record(S, union)->
+    ic_forms:get_id2(S);
+
+mk_c_type(_G, N, S, _) when is_record(S, struct) -> %% Locally defined member
+    Fullname = [ic_forms:get_id2(S) | N],
+    ic_util:to_undersc(Fullname);
+
+mk_c_type(_G, _N, {'any', _}, _) ->  %% Fix for any type
+    "CORBA_long";
+
+mk_c_type(_G, _N, {T, _}, _) ->
+    "CORBA_" ++ atom_to_list(T).
+
+%%-------------------------------------------------------------------
+%%    IDL to C type conversion used by the emit_c_*_rpt macros.
+%%-------------------------------------------------------------------
+mk_c_type2(G, N, S) when element(1, S) == scoped_id ->
+    {FullScopedName, _T, _TK, _} = ic_symtab:get_full_scoped_name(G, N, S),
+    BT = ic_code:get_basetype(G, ic_util:to_undersc(FullScopedName)),
+    case BT of
+	"erlang_binary" ->
+	    "erlang_binary";
+	"erlang_pid" ->
+	    "erlang_pid";
+	"erlang_port" ->
+	    "erlang_port";
+	"erlang_ref" ->
+	    "erlang_ref";
+	"erlang_term" ->
+	    "ETERM*";
+	{enum, Type} ->
+	    mk_c_type2(G, N, Type);
+	Type ->
+	    mk_c_type2(G, N, Type)
+    end;
+
+mk_c_type2(_G, _N, S) when is_list(S) ->
+    S;
+mk_c_type2(_G, _N, S) when is_record(S, string) ->
+    "CORBA_char *";
+mk_c_type2(_G, _N, S) when is_record(S, wstring) -> 
+    "CORBA_wchar *";
+mk_c_type2(_G, _N, {boolean, _}) ->
+    "CORBA_boolean";
+mk_c_type2(_G, _N, {octet, _}) ->
+    "CORBA_octet";
+mk_c_type2(_G, _N, {void, _}) ->
+    "void";
+mk_c_type2(_G, _N, {unsigned, U}) ->
+    case U of
+	{short,_} ->
+	    "CORBA_unsigned_short";
+	{long,_} ->
+	    "CORBA_unsigned_long";
+	{'long long',_} ->
+	    "CORBA_unsigned_long_long"
+    end;
+
+mk_c_type2(_G, _N, {'long long', _}) ->
+    "CORBA_long_long";
+
+mk_c_type2(_G, _N, S) when is_record(S, union)->
+    ic_forms:get_id2(S);
+
+mk_c_type2(_G, N, S) when is_record(S, struct) ->
+    Fullname = [ic_forms:get_id2(S) | N],
+    ic_util:to_undersc(Fullname);
+
+mk_c_type2(_G, _N, S) when is_record(S, sequence) ->
+    mk_c_type2(_G, _N, S#sequence.type);
+
+mk_c_type2(_G, _N, {'any', _}) ->  %% Fix for any type
+    "CORBA_long";
+
+mk_c_type2(_G, _N, {T, _}) ->
+    "CORBA_" ++ atom_to_list(T).
+
+%%-----
+
+is_variable_size_rec(Es) ->
+    lists:any(
+      fun({_N, T}) -> is_variable_size(T);
+	 ({_, _N, T}) -> is_variable_size(T)
+      end, Es).
+
+is_variable_size({'tk_struct', _IFRId, "port", _ElementList}) ->
+    false;
+is_variable_size({'tk_struct', _IFRId, "pid", _ElementList}) ->
+    false;
+is_variable_size({'tk_struct', _IFRId, "ref", _ElementList}) ->
+    false;
+is_variable_size({'tk_struct', _IFRId, "term", _ElementList}) ->
+    false;
+is_variable_size({'tk_struct', _IFRId, _Name, ElementList}) ->
+    is_variable_size_rec(ElementList);
+is_variable_size({'tk_array', ElemTC, _Length}) ->
+    is_variable_size(ElemTC);
+is_variable_size({'tk_string', _}) -> 
+    true;
+is_variable_size({'tk_wstring', _}) ->
+    true;
+is_variable_size({'tk_sequence', _ElemTC, _MaxLsextractength}) ->
+    true;
+is_variable_size({'tk_union', _IFRId, _Name, _, _, ElementList}) ->
+    is_variable_size_rec(ElementList);
+is_variable_size(_Other) ->
+    false.
+
+
+is_variable_size(_G, _N, T)  when is_record(T, string) ->
+    true;
+is_variable_size(_G, _N, T)  when is_record(T, wstring) ->
+    true;
+is_variable_size(_G, _N, T)  when is_record(T, sequence) ->
+    true;
+is_variable_size(G, N, T)  when is_record(T, union) ->
+    %%io:format("~n~p = ~p~n",[ic_forms:get_id2(T),ictype:fetchTk(G, N, T)]),
+    is_variable_size(ictype:fetchTk(G, N, T));
+is_variable_size(G, N, T)  when is_record(T, struct) ->
+    is_variable_size(ictype:fetchTk(G, N, T));
+is_variable_size(G, N, T) when element(1, T) == scoped_id ->
+    case ic_symtab:get_full_scoped_name(G, N, T) of
+	{_FullScopedName, _, TK, _} ->
+	    is_variable_size(TK);
+	_ ->
+	    ic_error:fatal_error(G, {name_not_found, T})
+    end;
+is_variable_size(_G, _N, _Other) ->
+    false.    
+
+%% mk_dim produces 
+mk_dim([Arg | Args]) ->
+    "[" ++ Arg ++ "]" ++ mk_dim(Args);
+mk_dim([]) -> [].
+
+mk_slice_dim(Args) ->
+    mk_dim(tl(Args)).
+
+
+emit_tmp_variables(Fd) ->
+    DeclList = get(tmp_declarations),
+    emit_tmp_variables(Fd, DeclList),
+    ok.
+
+emit_tmp_variables(Fd, [Decl |Rest]) ->
+    emit_tmp_variables(Fd, Rest),
+    emit(Fd, "~s", [Decl]);
+emit_tmp_variables(_Fd, []) ->
+    ok.
+
+store_tmp_decl(Format, Args) ->
+    Decl = io_lib:format(Format, Args),
+    DeclList = get(tmp_declarations),
+    put(tmp_declarations, [Decl |DeclList]).
+
+%%------------------------------------------------------------
+%%
+%% Parser utilities
+%%
+%% Called from the yecc parser. Expands the identifier list of an
+%% attribute so that the attribute generator never has to handle
+%% lists.
+%%
+%%------------------------------------------------------------
+
+extract_info(_G, N, X) when is_record(X, op) ->
+    Name	=  ic_util:to_undersc([ic_forms:get_id2(X) | N]),
+    Args	= X#op.params,
+    ArgNames	= mk_c_vars(Args),
+    TypeList	= {ic_forms:get_type(X),
+		   lists:map(fun(Y) -> ic_forms:get_type(Y) end, Args),
+		   []
+		  },
+    {Name, ArgNames, TypeList};
+extract_info(_G, N, X) ->
+    Name	=  ic_util:to_undersc([ic_forms:get_id2(X) | N]),
+    {Name, [], []}.
+
+
+
+%% Usefull functions
+get_param_tk(Name, Op) ->
+    case get_param(Name, Op) of
+	error ->
+	    error;
+	Param ->
+	    ic_forms:get_tk(Param)
+    end.
+
+get_param(Name, Op) when is_record(Op, op) ->
+    get_param_loop(Name, Op#op.params);
+get_param(_Name, _Op) ->
+    error.
+
+get_param_loop(Name,[Param|Params]) ->
+    case ic_forms:get_id2(Param) of
+	Name ->
+	    Param;
+	_ ->
+	    get_param_loop(Name,Params)
+    end;
+get_param_loop(_Name, []) ->
+    error.
+
+
+%% Input is a list of parameters (in parse form) and output is a list
+%% of parameter attribute and variable names.
+mk_c_vars(Params) ->
+    lists:map(fun(P) -> {A, _} = P#param.inout,
+			{A, ic_forms:get_id(P#param.id)}
+	      end,
+	      Params).
+
+normalize_type({unsigned, {short, _}}) ->	{basic, ushort};
+normalize_type({unsigned, {long, _}}) -> 	{basic, ulong};
+normalize_type({unsigned, {'long long', _}}) ->	{basic, ulonglong};
+normalize_type({short,_}) ->			{basic, short};
+normalize_type({long, _}) ->			{basic, long};
+normalize_type({'long long', _}) ->		{basic, longlong};
+normalize_type({float,_}) ->			{basic, float};
+normalize_type({double, _}) ->			{basic, double};
+normalize_type({boolean, _}) ->			{basic, boolean};
+normalize_type({char, _}) ->			{basic, char};
+normalize_type({wchar, _}) ->			{basic, wchar};
+normalize_type({octet, _}) ->			{basic, octet};
+normalize_type({any, _}) ->			{basic, any};
+normalize_type(tk_ushort) -> 			{basic, ushort};
+normalize_type(tk_ulong) -> 			{basic, ulong};
+normalize_type(tk_ulonglong) -> 		{basic, ulonglong};
+normalize_type(tk_short) -> 			{basic, short};
+normalize_type(tk_long) -> 			{basic, long};
+normalize_type(tk_longlong) -> 			{basic, longlong};
+normalize_type(tk_float) -> 			{basic, float};
+normalize_type(tk_double) -> 			{basic, double};
+normalize_type(tk_boolean) -> 			{basic, boolean};
+normalize_type(tk_char) -> 			{basic, char};
+normalize_type(tk_wchar) -> 			{basic, wchar};
+normalize_type(tk_octet) -> 			{basic, octet}; 
+normalize_type(tk_any) -> 			{basic, any};
+normalize_type(ushort) -> 			{basic, ushort};
+normalize_type(ulong) -> 			{basic, ulong};
+normalize_type(ulonglong) ->	 		{basic, ulonglong};
+normalize_type(short) -> 			{basic, short};
+normalize_type(long) -> 			{basic, long};
+normalize_type(longlong) -> 			{basic, longlong};
+normalize_type(float) -> 			{basic, float};
+normalize_type(double) -> 			{basic, double};
+normalize_type(boolean) -> 			{basic, boolean};
+normalize_type(char) -> 			{basic, char};
+normalize_type(wchar) -> 			{basic, wchar};
+normalize_type(octet) -> 			{basic, octet}; 
+normalize_type(any) -> 				{basic, any};
+normalize_type(Type) ->	Type.
+