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%% -*- erlang-indent-level: 2 -*-
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2001-2009. 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(hipe_node_sets).
-export([new/0,
spilled/1,
colored/1,
add_spilled/2,
add_colored/2
]).
-record(node_sets,
{spilled, % Nodes marked for spilling
colored % Nodes successfully colored
}).
spilled(Node_sets) -> Node_sets#node_sets.spilled.
colored(Node_sets) -> Node_sets#node_sets.colored.
set_spilled(Spilled, Node_sets) -> Node_sets#node_sets{spilled = Spilled}.
set_colored(Colored, Node_sets) -> Node_sets#node_sets{colored = Colored}.
new() ->
#node_sets{spilled = [], colored = []}.
add_spilled(Node, Node_sets) ->
set_spilled([Node | spilled(Node_sets)], Node_sets).
add_colored(Node, Node_sets) ->
set_colored([Node | colored(Node_sets)], Node_sets).
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