Mercurial > octave
view libinterp/parse-tree/pt-colon.cc @ 27919:1891570abac8
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2020.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 06 Jan 2020 22:29:51 -0500 |
parents | b442ec6dda5c |
children | bd51beb6205e |
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/* Copyright (C) 1996-2020 The Octave Project Developers See the file COPYRIGHT.md in the top-level directory of this distribution or <https://octave.org/COPYRIGHT.html/>. This file is part of Octave. Octave is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <https://www.gnu.org/licenses/>. */ #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include "interpreter.h" #include "parse.h" #include "pt-colon.h" #include "pt-eval.h" namespace octave { // Colon expressions. tree_expression * tree_colon_expression::dup (symbol_scope& scope) const { tree_colon_expression *new_ce = new tree_colon_expression (m_base ? m_base->dup (scope) : nullptr, m_limit ? m_limit->dup (scope) : nullptr, m_increment ? m_increment->dup (scope) : nullptr, line (), column ()); new_ce->copy_base (*this); return new_ce; } octave_value tree_colon_expression::evaluate (tree_evaluator& tw, int) { octave_value val; if (! m_base || ! m_limit) return val; octave_value ov_base = m_base->evaluate (tw); octave_value ov_limit = m_limit->evaluate (tw); if (ov_base.isobject () || ov_limit.isobject ()) { octave_value_list tmp1; if (m_increment) { octave_value ov_increment = m_increment->evaluate (tw); tmp1(2) = ov_limit; tmp1(1) = ov_increment; tmp1(0) = ov_base; } else { tmp1(1) = ov_limit; tmp1(0) = ov_base; } interpreter& interp = tw.get_interpreter (); symbol_table& symtab = interp.get_symbol_table (); octave_value fcn = symtab.find_function ("colon", tmp1); if (! fcn.is_defined ()) error ("can not find overloaded colon function"); octave_value_list tmp2 = feval (fcn, tmp1, 1); val = tmp2 (0); } else { octave_value ov_increment = 1.0; if (m_increment) ov_increment = m_increment->evaluate (tw); val = do_colon_op (ov_base, ov_increment, ov_limit, is_for_cmd_expr ()); } return val; } }