Mercurial > octave
view libinterp/corefcn/oct-lvalue.cc @ 23738:8acd390d16c9
don't use singleton for stream_list object
* oct-stream.h, oct-stream.cc (stream_list): Don't use singleton
pattern. Change all uses.
(stream_list::stream_list): Initialize stdin, stdout, and stderr
streams here.
(stream_list::~stream_list): Close files here.
(stream_list::m_stdin_file, stream_list::m_stdout_file,
stream_list::m_stderr_file): New data members.
(stream_list::stdin_file, stream_list::stdout_file,
stream_list::stderr_file): New functions.
* interpreter.h, interpreter.cc (interpreter::m_stream_list):
New data member.
(interpreter::interpreter): Initialize it. Don't call
initialize_file_io.
(interpreter::~interpreter): Don't call close_files.
(interpreter::get_stream_list): New function.
* file-io.h, file-io.cc (stdin_file, stdout_file, stderr_file,
stdin_stream, stdout_stream, stderr_stream): Delete static variables.
(initialize_file_io, close_files): Delete. These actions are now
handled by the stream_list constructor and destructor.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Thu, 06 Jul 2017 13:34:31 -0400 |
parents | 18bd46c4b79a |
children | 21915520ac7b |
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/* Copyright (C) 1996-2017 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/>. */ #if defined (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).isempty ()); } 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; }