Mercurial > octave
view libinterp/corefcn/oct-lvalue.cc @ 21662:5b9868c2e212
maint: Octave coding convention cleanups.
* Figure.cc, QtHandlesUtils.cc, files-dock-widget.cc, find-files-dialog.cc,
debug.cc, ls-hdf5.h, oct-fstrm.h, oct-iostrm.h, oct-stdstrm.h, oct-stream.h,
pr-output.cc, sysdep.cc, zfstream.h, pt-cbinop.cc, f77-fcn.h, DASPK.cc,
DASSL.cc, cmd-hist.cc, glob-match.h:
Cuddle angle bracket '<' next to C++ cast operator.
Space between variable reference and variable name (int& a).
Space between bitwise operators and their operands (A & B).
Create typedef tree_expression_ptr_t to avoid "tree_expression *&a"
which is unclear.
author | Rik <rik@octave.org> |
---|---|
date | Mon, 02 May 2016 11:13:50 -0700 |
parents | 40de9f8f23a6 |
children | aba2e6293dd8 |
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/* Copyright (C) 1996-2015 John W. Eaton 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 <http://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "error.h" #include "ovl.h" #include "oct-lvalue.h" #include "ov.h" void octave_lvalue::assign (octave_value::assign_op op, const octave_value& rhs) { if (! is_black_hole ()) { if (idx.empty ()) sym->assign (op, rhs); else sym->assign (op, type, idx, rhs); } } void octave_lvalue::set_index (const std::string& t, const std::list<octave_value_list>& i) { if (! idx.empty ()) error ("invalid index expression in assignment"); type = t; idx = i; } bool octave_lvalue::index_is_empty (void) const { bool retval = false; if (idx.size () == 1) { octave_value_list tmp = idx.front (); retval = (tmp.length () == 1 && tmp(0).is_empty ()); } return retval; } void octave_lvalue::do_unary_op (octave_value::unary_op op) { if (! is_black_hole ()) { if (idx.empty ()) sym->do_non_const_unary_op (op); else sym->do_non_const_unary_op (op, type, idx); } } octave_value octave_lvalue::value (void) const { octave_value retval; if (! is_black_hole ()) { octave_value val = sym->varval (); if (idx.empty ()) retval = val; else { if (val.is_constant ()) retval = val.subsref (type, idx); else { octave_value_list t = val.subsref (type, idx, 1); if (t.length () > 0) retval = t(0); } } } return retval; }