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expanding.lgt
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expanding.lgt
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% This file is part of Logtalk <https://logtalk.org/>
% SPDX-FileCopyrightText: 1998-2023 Paulo Moura <pmoura@logtalk.org>
% SPDX-License-Identifier: Apache-2.0
%
% 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.
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
:- protocol(expanding).
:- info([
version is 1:1:0,
author is 'Paulo Moura',
date is 2016-07-12,
comment is 'Term and goal expansion protocol.'
]).
:- built_in.
:- public(goal_expansion/2).
:- mode(goal_expansion(+callable, -callable), zero_or_one).
:- info(goal_expansion/2, [
comment is 'Defines a goal expansion. Called recursively until a fixed point is reached on goals found while compiling a source file (except for goals wrapped using the ``{}/1`` compiler bypass control construct).',
argnames is ['Goal', 'ExpandedGoal']
]).
:- public(term_expansion/2).
:- mode(term_expansion(+term, -term), zero_or_one).
:- mode(term_expansion(+term, -list(term)), zero_or_one).
:- info(term_expansion/2, [
comment is 'Defines a term expansion. Called until it succeeds on all terms read while compiling a source file (except for terms skipped by using the conditional compilation directives or wrapped using the ``{}/1`` compiler bypass control construct).',
argnames is ['Term', 'ExpandedTerms']
]).
:- end_protocol.