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%% -*- erlang-indent-level: 2 -*-
%%
%% 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.
%%
%%============================================================================
%% File : cfg.hrl
%% Author : Kostis Sagonas <[email protected]>
%% Purpose : Contains typed record declarations for the CFG data structures
%%
%% $Id$
%%============================================================================
-type cfg_lbl() :: non_neg_integer().
%%
%% This is supposed to be local but appears here for the time being
%% just so that it is used below
%%
-record(cfg_info, {'fun' :: mfa(),
start_label :: cfg_lbl(),
%% TODO: merge is_closure and closure_arity into one field
is_closure :: boolean(),
closure_arity = none :: 'none' | arity(),
is_leaf :: boolean(),
params :: list(), %% XXX: refine
info = [] :: list()}). %% seems not needed; take out??
-type cfg_info() :: #cfg_info{}.
%%
%% Data is a triple with a dict of constants, a list of labels and an integer
%%
-type cfg_data() :: {dict:dict(), [cfg_lbl()], non_neg_integer()}.
%%
%% The following is to be used by other modules
%%
-record(cfg, {table = gb_trees:empty() :: gb_trees:tree(),
info :: cfg_info(),
data :: cfg_data()}).
-type cfg() :: #cfg{}.
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