Mercurial > octave-nkf
view libinterp/corefcn/getgrent.cc @ 20569:b70cc4bd8109
begin removal of global error_state variable
* gripes.h, gripes.cc (gripe_library_execution_error): Delete.
* error.cc (warning_state): Delete unused variable.
(reset_error_handler): Don't set warning_state or error_state.
(debug_or_throw_exception): New static function.
(verror): Don't check error_state.
(vmessage): Call debug_or_throw_exception instead of setting
error_state.
(error_1, error_2): Combine into single function, error_1 that prints
error message and ultimately calls debug_or_throw_exception.
(verror, verror_with_cfn, verror_with_id_cfn): Call error_1. Don't
check or set warning_state.
(error): Don't check error_state.
(Flasterror, Flasterr): Adapt to not using error_state.
(interpreter_try): Don't unwind_protect error_state.
* NEWS: Update.
* doc/interpreter/external.txi: Explain octave_execution_exception
instead of error_state for matrix addition example.
* jit-typeinfo.cc (octave_jit_gripe_nan_to_logical_conversion,
octave_jit_ginvalid_index, octave_jit_gindex_range,
octave_jit_paren_scalar, octave_jit_paren_scalar_subsasgn):
Don't catch octave_execution_exception.
* cellfun.cc (Fcellfun): Use exceptions instead of error_state.
* ls-mat-ascii.cc (save_mat_ascii_data): Likewise.
* mex.cc (mexCallMATLAB, mexEvalString): Likewise.
* variables.cc (safe_symbol_lookup): Likewise.
* svd.cc (Fsvd): Eliminate use of error_state.
* __magick_read__.cc (read_file, write_file): Likewise.
* variables.cc (generate_struct_completions): Eliminate use of
obsolete warning_state variable.
* ov-builtin.cc (octave_builtin::do_multi_index_op): Don't catch
octave_execution_exception and call gripe_library_execution_error.
* ov-class.cc (octave_class::reconstruct_exemplar): Eliminate use of
error_state. Catch possible octave_execution_exception in
do_multi_index_op.
* ov-mex-fcn.cc (octave_mex_function::do_multi_index_op): Eliminate
use of error_state. Catch possible octave_execution_exception in
call_mex.
* ov-fcn-handle.cc (octave_fcn_binder::maybe_binder): Eliminate use of
error_state.
* ov-oncleanup.cc (octave_oncleanup::~octave_oncleanup): Eliminate use
of error_state. Propagate possible octave_execution_exception from
do_multi_index_op.
* ov.cc (octave_value::assign, do_binary_op, do_unary_op,
octave_value::do_non_const_unary_op): Don't catch
octave_execution_exception here.
* oct-parse.in.yy (octave_base_parser::finish_colon_expression,
octave_base_parser::finish_array_list): Eliminate use of warning_state
and error_state.
(Feval, Fevalin): Use exceptions instead of error_state.
* pt-eval.cc, pt-eval.h (tree_evaluator::unwind_protect_exception):
New static variable.
* (tree_evaluator::visit_statement): Don't catch
octave_execution_exception here.
(tree_evaluator::visit_try_catch_command,
tree_evaluator::do_unwind_protect_cleanup): Eliminate use of error_state.
(tree_evaluator::visit_unwind_protect_command): Use
unwind_protect_exception to track whether an exception has occurred in
the try block.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Thu, 01 Oct 2015 16:18:19 -0400 |
parents | 4f45eaf83908 |
children | f90c8372b7ba |
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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 <string> #include <sys/types.h> #include "oct-group.h" #include "defun.h" #include "error.h" #include "gripes.h" #include "oct-map.h" #include "ov.h" #include "oct-obj.h" #include "utils.h" // Group file functions. (Why not?) static octave_value mk_gr_map (const octave_group& gr) { octave_value retval; if (gr) { octave_scalar_map m; m.assign ("name", gr.name ()); m.assign ("passwd", gr.passwd ()); m.assign ("gid", static_cast<double> (gr.gid ())); m.assign ("mem", octave_value (gr.mem ())); retval = m; } else retval = 0; return retval; } DEFUN (getgrent, args, , "-*- texinfo -*-\n\ @deftypefn {Built-in Function} {@var{grp_struct} =} getgrent ()\n\ Return an entry from the group database, opening it if necessary.\n\ \n\ Once the end of data has been reached, @code{getgrent} returns 0.\n\ @seealso{setgrent, endgrent}\n\ @end deftypefn") { octave_value_list retval; retval(1) = std::string (); retval(0) = 0; int nargin = args.length (); if (nargin == 0) { std::string msg; retval(1) = msg; retval(0) = mk_gr_map (octave_group::getgrent (msg)); } else print_usage (); return retval; } DEFUN (getgrgid, args, , "-*- texinfo -*-\n\ @deftypefn {Built-in Function} {@var{grp_struct} =} getgrgid (@var{gid}).\n\ Return the first entry from the group database with the group ID\n\ @var{gid}.\n\ \n\ If the group ID does not exist in the database, @code{getgrgid} returns 0.\n\ @seealso{getgrnam}\n\ @end deftypefn") { octave_value_list retval; retval(1) = std::string (); retval(0) = 0; int nargin = args.length (); if (nargin == 1) { double dval = args(0).double_value (); if (! error_state) { if (D_NINT (dval) == dval) { gid_t gid = static_cast<gid_t> (dval); std::string msg; retval(1) = msg; retval(0) = mk_gr_map (octave_group::getgrgid (gid, msg)); } else error ("getgrgid: GID must be an integer"); } } else print_usage (); return retval; } DEFUN (getgrnam, args, , "-*- texinfo -*-\n\ @deftypefn {Built-in Function} {@var{grp_struct} =} getgrnam (@var{name})\n\ Return the first entry from the group database with the group name\n\ @var{name}.\n\ \n\ If the group name does not exist in the database, @code{getgrnam} returns 0.\n\ @seealso{getgrgid}\n\ @end deftypefn") { octave_value_list retval; retval(1) = std::string (); retval(0) = 0; int nargin = args.length (); if (nargin == 1) { std::string s = args(0).string_value (); if (! error_state) { std::string msg; retval(1) = msg; retval(0) = mk_gr_map (octave_group::getgrnam (s.c_str (), msg)); } } else print_usage (); return retval; } DEFUN (setgrent, args, , "-*- texinfo -*-\n\ @deftypefn {Built-in Function} {} setgrent ()\n\ Return the internal pointer to the beginning of the group database.\n\ @seealso{getgrent, endgrent}\n\ @end deftypefn") { octave_value_list retval; retval(1) = std::string (); retval(0) = -1.0; int nargin = args.length (); if (nargin == 0) { std::string msg; retval(1) = msg; retval(0) = static_cast<double> (octave_group::setgrent (msg)); } else print_usage (); return retval; } DEFUN (endgrent, args, , "-*- texinfo -*-\n\ @deftypefn {Built-in Function} {} endgrent ()\n\ Close the group database.\n\ @seealso{getgrent, setgrent}\n\ @end deftypefn") { octave_value_list retval; retval(1) = std::string (); retval(0) = -1.0; int nargin = args.length (); if (nargin == 0) { std::string msg; retval(1) = msg; retval(0) = static_cast<double> (octave_group::endgrent (msg)); } else print_usage (); return retval; }