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authorErlang/OTP <otp@erlang.org>2009-11-20 14:54:40 +0000
committerErlang/OTP <otp@erlang.org>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/ic/src/ic_constant_java.erl
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The R13B03 release.OTP_R13B03
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 1999-2009. 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%
+%%
+%%
+-module(ic_constant_java).
+
+
+-include("icforms.hrl").
+-include("ic.hrl").
+-include("ic_debug.hrl").
+%%-----------------------------------------------------------------
+%% External exports
+%%-----------------------------------------------------------------
+-export([gen/3]).
+
+%%-----------------------------------------------------------------
+%% Internal exports
+%%-----------------------------------------------------------------
+-export([]).
+
+%%-----------------------------------------------------------------
+%% External functions
+%%-----------------------------------------------------------------
+
+%%-----------------------------------------------------------------
+%% Func: gen/3
+%%-----------------------------------------------------------------
+gen(G, N, X) when is_record(X, const) ->
+ ConstantName = ic_forms:get_java_id(X),
+ case inInterface(G, N) of
+ true ->
+ emit_constant(G, N, X, ConstantName);
+ false ->
+ emit_constant_interface(G, N, X, ConstantName)
+ end;
+gen(_G, _N, _X) ->
+ ok.
+
+
+%%-----------------------------------------------------------------
+%% Internal functions
+%%-----------------------------------------------------------------
+
+%%-----------------------------------------------------------------
+%% Func: emit_constant/4
+%%-----------------------------------------------------------------
+emit_constant(G, N, X, ConstantName) ->
+ Fd = ic_genobj:interfacefiled(G),
+ %%?PRINTDEBUG2("~p", [Fd]),
+ Type = ic_java_type:getType(G, N, ic_forms:get_type(X)),
+ ic_codegen:emit(Fd, " public static final ~s ~s = (~s) ~p;\n",
+ [Type, ConstantName, Type, X#const.val]),
+ ic_codegen:nl(Fd).
+
+%%-----------------------------------------------------------------
+%% Func: emit_constant_interface/4
+%%-----------------------------------------------------------------
+emit_constant_interface(G, N, X, ConstantName) ->
+ {Fd, _} = ic_file:open_java_file(G, N, ConstantName),
+
+ ic_codegen:emit(Fd, "final public class ~s {\n",[ConstantName]),
+
+ Type = ic_java_type:getType(G, N, ic_forms:get_type(X)),
+ ic_codegen:emit(Fd, " public static final ~s value = (~s) ~p;\n",
+ [Type, Type, X#const.val]),
+ ic_codegen:emit(Fd, "}\n", []),
+ file:close(Fd).
+
+%%-----------------------------------------------------------------
+%% Func: emit_constant_interface/4
+%%-----------------------------------------------------------------
+inInterface(_G, []) -> % Global constant
+ false;
+inInterface(G, N) ->
+ [N1 |Ns] = N,
+ {_FullScopedName, T, _TK, _} =
+ ic_symtab:get_full_scoped_name(G, Ns, ic_symtab:scoped_id_new(N1)),
+ case T of
+ interface -> % Constant declare in an interface
+ true;
+ _ -> % Constant declared in a module
+ false
+ end.
+