Mercurial > octave
view libinterp/corefcn/defaults.cc @ 22407:34ce5be04942
maint: Style check C++ code in libinterp/.
* build-env.h, build-env.in.cc, builtins.h, Cell.cc, Cell.h, __contourc__.cc,
__dispatch__.cc, __dsearchn__.cc, __ilu__.cc, __lin_interpn__.cc, __luinc__.cc,
__magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc,
base-text-renderer.h, besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc,
c-file-ptr-stream.h, call-stack.cc, call-stack.h, cdisplay.c, cdisplay.h,
cellfun.cc, coct-hdf5-types.c, comment-list.cc, comment-list.h, conv2.cc,
daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc, debug.h, defaults.cc,
defaults.in.h, defun-dld.h, defun-int.h, defun.h, det.cc, dirfns.cc, dirfns.h,
display.cc, display.h, dlmread.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc,
error.cc, error.h, errwarn.h, event-queue.cc, event-queue.h, fft.cc, fft2.cc,
fftn.cc, file-io.cc, file-io.h, filter.cc, find.cc, ft-text-renderer.cc,
ft-text-renderer.h, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, givens.cc,
gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h, graphics.cc,
graphics.in.h, gripes.h, gsvd.cc, hash.cc, help.cc, help.h, hess.cc,
hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h, interpreter.cc,
interpreter.h, inv.cc, jit-ir.cc, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h,
jit-util.cc, jit-util.h, kron.cc, load-path.cc, load-path.h, load-save.cc,
load-save.h, lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-hdf5.cc,
ls-hdf5.h, ls-mat-ascii.cc, ls-mat-ascii.h, ls-mat4.cc, ls-mat4.h, ls-mat5.h,
ls-oct-binary.cc, ls-oct-binary.h, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc,
ls-utils.h, lsode.cc, lu.cc, matrix_type.cc, max.cc, mex.cc, mex.h, mexproto.h,
mgorth.cc, mxarray.in.h, nproc.cc, oct-errno.h, oct-errno.in.cc, oct-fstrm.cc,
oct-fstrm.h, oct-handle.h, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hdf5.h,
oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h, oct-lvalue.cc,
oct-lvalue.h, oct-map.h, oct-obj.h, oct-opengl.h, oct-prcstrm.cc,
oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h, oct-stdstrm.h, oct-stream.cc,
oct-stream.h, oct-strstrm.cc, oct-strstrm.h, oct.h, octave-default-image.h,
octave-link.h, octave-preserve-stream-state.h, ordschur.cc, pager.cc, pager.h,
pinv.cc, pr-output.cc, pr-output.h, procstream.cc, procstream.h, profiler.h,
psi.cc, pt-jit.cc, pt-jit.h, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc,
regexp.cc, schur.cc, sighandlers.cc, sighandlers.h, sparse-xdiv.cc,
sparse-xdiv.h, sparse-xpow.cc, sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc,
str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc,
symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h, text-renderer.cc,
text-renderer.h, time.cc, toplev.cc, toplev.h, tril.cc, tsearch.cc, txt-eng.cc,
txt-eng.h, typecast.cc, urlwrite.cc, utils.cc, utils.h, variables.cc,
variables.h, workspace-element.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc,
xpow.h, zfstream.cc, zfstream.h, deprecated-config.h, __delaunayn__.cc,
__eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc,
__init_gnuplot__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc,
audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc, convhulln.cc,
dmperm.cc, fftw.cc, gzip.cc, oct-qhull.h, qr.cc, symbfact.cc, symrcm.cc,
liboctinterp-build-info.h, liboctinterp-build-info.in.cc, ov-base-diag.h,
ov-base-int.cc, ov-base-int.h, ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.h,
ov-base-sparse.cc, ov-base-sparse.h, ov-base.cc, ov-base.h, ov-bool-mat.cc,
ov-bool-mat.h, ov-bool-sparse.cc, ov-bool-sparse.h, ov-bool.cc, ov-bool.h,
ov-builtin.cc, ov-builtin.h, ov-cell.cc, ov-cell.h, ov-ch-mat.cc, ov-ch-mat.h,
ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-colon.cc,
ov-colon.h, ov-complex.cc, ov-complex.h, ov-cs-list.h, ov-cx-diag.cc,
ov-cx-diag.h, ov-cx-mat.cc, ov-cx-mat.h, ov-cx-sparse.cc, ov-cx-sparse.h,
ov-dld-fcn.cc, ov-dld-fcn.h, ov-fcn-handle.cc, ov-fcn-handle.h,
ov-fcn-inline.cc, ov-fcn-inline.h, ov-fcn.cc, ov-fcn.h, ov-float.cc,
ov-float.h, ov-flt-complex.cc, ov-flt-complex.h, ov-flt-cx-diag.cc,
ov-flt-cx-diag.h, ov-flt-cx-mat.cc, ov-flt-cx-mat.h, ov-flt-re-diag.cc,
ov-flt-re-diag.h, ov-flt-re-mat.cc, ov-flt-re-mat.h, ov-int-traits.h,
ov-int16.cc, ov-int16.h, ov-int32.cc, ov-int32.h, ov-int64.cc, ov-int64.h,
ov-int8.cc, ov-int8.h, ov-intx.h, ov-java.cc, ov-java.h, ov-lazy-idx.cc,
ov-lazy-idx.h, ov-mex-fcn.cc, ov-mex-fcn.h, ov-null-mat.cc, ov-null-mat.h,
ov-oncleanup.cc, ov-oncleanup.h, ov-perm.cc, ov-perm.h, ov-range.cc,
ov-range.h, ov-re-diag.cc, ov-re-diag.h, ov-re-mat.cc, ov-re-mat.h,
ov-re-sparse.cc, ov-re-sparse.h, ov-scalar.cc, ov-scalar.h, ov-str-mat.cc,
ov-str-mat.h, ov-struct.cc, ov-struct.h, ov-typeinfo.cc, ov-typeinfo.h,
ov-uint16.cc, ov-uint16.h, ov-uint32.cc, ov-uint32.h, ov-uint64.cc,
ov-uint64.h, ov-uint8.cc, ov-uint8.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.h,
ovl.cc, ovl.h, octave.cc, octave.h, op-b-b.cc, op-b-bm.cc, op-b-sbm.cc,
op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc, op-chm.cc,
op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-pm.cc, op-cm-s.cc,
op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc,
op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc,
op-dm-template.cc, op-dms-template.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc,
op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcm-pm.cc, op-fcn.cc,
op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc,
op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fm-pm.cc,
op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc,
op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-int.h,
op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-pm.cc, op-m-s.cc, op-m-scm.cc,
op-m-sm.cc, op-pm-cm.cc, op-pm-fcm.cc, op-pm-fm.cc, op-pm-m.cc, op-pm-pm.cc,
op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc, op-s-cm.cc,
op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc,
op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc,
op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc,
op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc,
op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc,
ops.h, options-usage.h, lex.h, parse.h, pt-all.h, pt-arg-list.cc,
pt-arg-list.h, pt-array-list.h, pt-assign.cc, pt-assign.h, pt-binop.cc,
pt-binop.h, pt-bp.cc, pt-bp.h, pt-cbinop.cc, pt-cbinop.h, pt-cell.cc,
pt-cell.h, pt-check.cc, pt-check.h, pt-classdef.cc, pt-classdef.h, pt-cmd.cc,
pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc, pt-const.h, pt-decl.cc,
pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc, pt-except.h, pt-exp.cc,
pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-funcall.cc, pt-funcall.h,
pt-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.cc, pt-jump.h, pt-loop.cc,
pt-loop.h, pt-mat.cc, pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc,
pt-pr-code.h, pt-select.cc, pt-select.h, pt-stmt.cc, pt-stmt.h, pt-unop.cc,
pt-unop.h, pt-walk.h, pt.cc, pt.h, token.cc, token.h, Array-jit.cc,
Array-tc.cc, version.cc, version.in.h:
Style check C++ code in libinterp/
author | Rik <rik@octave.org> |
---|---|
date | Tue, 30 Aug 2016 21:46:47 -0700 |
parents | bac0d6f07a3e |
children | 3a2b891d0b33 e9a0469dedd9 |
line wrap: on
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/* Copyright (C) 1996-2016 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 <cstdlib> #include <algorithm> #include <iostream> #include <string> #include "dir-ops.h" #include "oct-env.h" #include "file-stat.h" #include "pathsearch.h" #include "str-vec.h" #include <defaults.h> #include "defun.h" #include "error.h" #include "file-ops.h" #include "errwarn.h" #include "help.h" #include "input.h" #include "load-path.h" #include "ovl.h" #include "ov.h" #include "parse.h" #include "interpreter.h" #include "unwind-prot.h" #include "variables.h" #include <version.h> std::string Voctave_home; std::string Vbin_dir; std::string Vinfo_dir; std::string Vdata_dir; std::string Vlibexec_dir; std::string Varch_lib_dir; std::string Vlocal_arch_lib_dir; std::string Vlocal_api_arch_lib_dir; std::string Vlocal_ver_arch_lib_dir; std::string Vlocal_ver_oct_file_dir; std::string Vlocal_api_oct_file_dir; std::string Vlocal_oct_file_dir; std::string Vlocal_ver_fcn_file_dir; std::string Vlocal_api_fcn_file_dir; std::string Vlocal_fcn_file_dir; std::string Voct_data_dir; std::string Voct_etc_dir; std::string Voct_locale_dir; std::string Voct_file_dir; std::string Vfcn_file_dir; std::string Vimage_dir; // The path that will be searched for programs that we execute. // (--exec-path path) static std::string VEXEC_PATH; // Name of the editor to be invoked by the edit_history command. std::string VEDITOR; static std::string VIMAGE_PATH; std::string Vlocal_site_defaults_file; std::string Vsite_defaults_file; std::string Vbuilt_in_docstrings_file; std::string subst_octave_home (const std::string& s) { std::string retval; std::string prefix = OCTAVE_PREFIX; retval = s; if (Voctave_home != prefix) { size_t len = prefix.length (); if (s.substr (0, len) == prefix) retval.replace (0, len, Voctave_home); } if (octave::sys::file_ops::dir_sep_char () != '/') std::replace (retval.begin (), retval.end (), '/', octave::sys::file_ops::dir_sep_char ()); return retval; } static void set_octave_home (void) { std::string oh = octave::sys::env::getenv ("OCTAVE_HOME"); Voctave_home = oh.empty () ? std::string (OCTAVE_PREFIX) : oh; } static void set_default_info_dir (void) { Vinfo_dir = subst_octave_home (OCTAVE_INFODIR); } static void set_default_data_dir (void) { Vdata_dir = subst_octave_home (OCTAVE_DATADIR); } static void set_default_libexec_dir (void) { Vlibexec_dir = subst_octave_home (OCTAVE_LIBEXECDIR); } static void set_default_arch_lib_dir (void) { Varch_lib_dir = subst_octave_home (OCTAVE_ARCHLIBDIR); } static void set_default_local_arch_lib_dir (void) { Vlocal_arch_lib_dir = subst_octave_home (OCTAVE_LOCALARCHLIBDIR); } static void set_default_local_api_arch_lib_dir (void) { Vlocal_api_arch_lib_dir = subst_octave_home (OCTAVE_LOCALAPIARCHLIBDIR); } static void set_default_local_ver_arch_lib_dir (void) { Vlocal_ver_arch_lib_dir = subst_octave_home (OCTAVE_LOCALVERARCHLIBDIR); } static void set_default_local_ver_oct_file_dir (void) { Vlocal_ver_oct_file_dir = subst_octave_home (OCTAVE_LOCALVEROCTFILEDIR); } static void set_default_local_api_oct_file_dir (void) { Vlocal_api_oct_file_dir = subst_octave_home (OCTAVE_LOCALAPIOCTFILEDIR); } static void set_default_local_oct_file_dir (void) { Vlocal_oct_file_dir = subst_octave_home (OCTAVE_LOCALOCTFILEDIR); } static void set_default_local_ver_fcn_file_dir (void) { Vlocal_ver_fcn_file_dir = subst_octave_home (OCTAVE_LOCALVERFCNFILEDIR); } static void set_default_local_api_fcn_file_dir (void) { Vlocal_api_fcn_file_dir = subst_octave_home (OCTAVE_LOCALAPIFCNFILEDIR); } static void set_default_local_fcn_file_dir (void) { Vlocal_fcn_file_dir = subst_octave_home (OCTAVE_LOCALFCNFILEDIR); } static void set_default_fcn_file_dir (void) { Vfcn_file_dir = subst_octave_home (OCTAVE_FCNFILEDIR); } static void set_default_image_dir (void) { Vimage_dir = subst_octave_home (OCTAVE_IMAGEDIR); } static void set_default_oct_data_dir (void) { Voct_data_dir = subst_octave_home (OCTAVE_OCTDATADIR); } static void set_default_oct_etc_dir (void) { Voct_etc_dir = subst_octave_home (OCTAVE_OCTETCDIR); } static void set_default_oct_locale_dir (void) { Voct_locale_dir = subst_octave_home (OCTAVE_OCTLOCALEDIR); } static void set_default_oct_file_dir (void) { Voct_file_dir = subst_octave_home (OCTAVE_OCTFILEDIR); } static void set_default_bin_dir (void) { Vbin_dir = subst_octave_home (OCTAVE_BINDIR); } void set_exec_path (const std::string& path_arg) { std::string tpath = path_arg; if (tpath.empty ()) tpath = octave::sys::env::getenv ("OCTAVE_EXEC_PATH"); if (tpath.empty ()) tpath = Vlocal_ver_arch_lib_dir + octave::directory_path::path_sep_str () + Vlocal_api_arch_lib_dir + octave::directory_path::path_sep_str () + Vlocal_arch_lib_dir + octave::directory_path::path_sep_str () + Varch_lib_dir + octave::directory_path::path_sep_str () + Vbin_dir; VEXEC_PATH = tpath; // FIXME: should we really be modifying PATH in the environment? // The way things are now, Octave will ignore directories set in the // PATH with calls like // // setenv ("PATH", "/my/path"); // // To fix this, I think Octave should be searching the combination of // PATH and EXEC_PATH for programs that it executes instead of setting // the PATH in the environment and relying on the shell to do the // searching. // This is static so that even if set_exec_path is called more than // once, shell_path is the original PATH from the environment, // before we start modifying it. static std::string shell_path = octave::sys::env::getenv ("PATH"); if (! shell_path.empty ()) tpath = shell_path + octave::directory_path::path_sep_str () + tpath; octave::sys::env::putenv ("PATH", tpath); } void set_image_path (const std::string& path) { VIMAGE_PATH = "."; std::string tpath = path; if (tpath.empty ()) tpath = octave::sys::env::getenv ("OCTAVE_IMAGE_PATH"); if (! tpath.empty ()) VIMAGE_PATH += octave::directory_path::path_sep_str () + tpath; tpath = genpath (Vimage_dir, ""); if (! tpath.empty ()) VIMAGE_PATH += octave::directory_path::path_sep_str () + tpath; } static void set_default_doc_cache_file (void) { if (Vdoc_cache_file.empty ()) { std::string def_file = subst_octave_home (OCTAVE_DOC_CACHE_FILE); std::string env_file = octave::sys::env::getenv ("OCTAVE_DOC_CACHE_FILE"); Vdoc_cache_file = env_file.empty () ? def_file : env_file; } } static void set_default_texi_macros_file (void) { if (Vtexi_macros_file.empty ()) { std::string def_file = subst_octave_home (OCTAVE_TEXI_MACROS_FILE); std::string env_file = octave::sys::env::getenv ("OCTAVE_TEXI_MACROS_FILE"); Vtexi_macros_file = env_file.empty () ? def_file : env_file; } } static void set_default_info_file (void) { if (Vinfo_file.empty ()) { std::string std_info_file = subst_octave_home (OCTAVE_INFOFILE); std::string oct_info_file = octave::sys::env::getenv ("OCTAVE_INFO_FILE"); Vinfo_file = oct_info_file.empty () ? std_info_file : oct_info_file; } } static void set_default_info_prog (void) { if (Vinfo_program.empty ()) { std::string oct_info_prog = octave::sys::env::getenv ("OCTAVE_INFO_PROGRAM"); if (oct_info_prog.empty ()) Vinfo_program = "info"; else Vinfo_program = std::string (oct_info_prog); } } static void set_default_editor (void) { VEDITOR = "emacs"; std::string env_editor = octave::sys::env::getenv ("EDITOR"); if (! env_editor.empty ()) VEDITOR = env_editor; } static void set_local_site_defaults_file (void) { std::string lsf = octave::sys::env::getenv ("OCTAVE_SITE_INITFILE"); if (lsf.empty ()) { Vlocal_site_defaults_file = subst_octave_home (OCTAVE_LOCALSTARTUPFILEDIR); Vlocal_site_defaults_file.append ("/octaverc"); } else Vlocal_site_defaults_file = lsf; } static void set_site_defaults_file (void) { std::string sf = octave::sys::env::getenv ("OCTAVE_VERSION_INITFILE"); if (sf.empty ()) { Vsite_defaults_file = subst_octave_home (OCTAVE_STARTUPFILEDIR); Vsite_defaults_file.append ("/octaverc"); } else Vsite_defaults_file = sf; } static void set_built_in_docstrings_file (void) { if (Vbuilt_in_docstrings_file.empty ()) { std::string df = octave::sys::env::getenv ("OCTAVE_BUILT_IN_DOCSTRINGS_FILE"); if (df.empty ()) Vbuilt_in_docstrings_file = Voct_etc_dir + octave::sys::file_ops::dir_sep_str () + "built-in-docstrings"; else Vbuilt_in_docstrings_file = df; } } void install_defaults (void) { // OCTAVE_HOME must be set first! set_octave_home (); set_default_info_dir (); set_default_data_dir (); set_default_libexec_dir (); set_default_arch_lib_dir (); set_default_local_ver_arch_lib_dir (); set_default_local_api_arch_lib_dir (); set_default_local_arch_lib_dir (); set_default_local_ver_oct_file_dir (); set_default_local_api_oct_file_dir (); set_default_local_oct_file_dir (); set_default_local_ver_fcn_file_dir (); set_default_local_api_fcn_file_dir (); set_default_local_fcn_file_dir (); set_default_oct_data_dir (); set_default_oct_etc_dir (); set_default_oct_locale_dir (); set_default_fcn_file_dir (); set_default_oct_file_dir (); set_default_image_dir (); set_default_bin_dir (); set_exec_path (); set_image_path (); set_default_doc_cache_file (); set_default_texi_macros_file (); set_default_info_file (); set_default_info_prog (); set_default_editor (); set_local_site_defaults_file (); set_site_defaults_file (); set_built_in_docstrings_file (); } DEFUN (EDITOR, args, nargout, doc: /* -*- texinfo -*- @deftypefn {} {@var{val} =} EDITOR () @deftypefnx {} {@var{old_val} =} EDITOR (@var{new_val}) @deftypefnx {} {} EDITOR (@var{new_val}, "local") Query or set the internal variable that specifies the default text editor. The default value is taken from the environment variable @w{@env{EDITOR}} when Octave starts. If the environment variable is not initialized, @w{@env{EDITOR}} will be set to @qcode{"emacs"}. When called from inside a function with the @qcode{"local"} option, the variable is changed locally for the function and any subroutines it calls. The original variable value is restored when exiting the function. @seealso{edit, edit_history} @end deftypefn */) { return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (EDITOR); } /* %!test %! orig_val = EDITOR (); %! old_val = EDITOR ("X"); %! assert (orig_val, old_val); %! assert (EDITOR (), "X"); %! EDITOR (orig_val); %! assert (EDITOR (), orig_val); %!error (EDITOR (1, 2)) */ DEFUN (EXEC_PATH, args, nargout, doc: /* -*- texinfo -*- @deftypefn {} {@var{val} =} EXEC_PATH () @deftypefnx {} {@var{old_val} =} EXEC_PATH (@var{new_val}) @deftypefnx {} {} EXEC_PATH (@var{new_val}, "local") Query or set the internal variable that specifies a colon separated list of directories to append to the shell PATH when executing external programs. The initial value of is taken from the environment variable @w{@env{OCTAVE_EXEC_PATH}}, but that value can be overridden by the command line argument @option{--exec-path PATH}. When called from inside a function with the @qcode{"local"} option, the variable is changed locally for the function and any subroutines it calls. The original variable value is restored when exiting the function. @seealso{IMAGE_PATH, OCTAVE_HOME} @end deftypefn */) { octave_value retval = SET_NONEMPTY_INTERNAL_STRING_VARIABLE (EXEC_PATH); if (args.length () > 0) set_exec_path (VEXEC_PATH); return retval; } /* %!test %! orig_val = EXEC_PATH (); %! old_val = EXEC_PATH ("X"); %! assert (orig_val, old_val); %! assert (EXEC_PATH (), "X"); %! EXEC_PATH (orig_val); %! assert (EXEC_PATH (), orig_val); %!error (EXEC_PATH (1, 2)) */ DEFUN (IMAGE_PATH, args, nargout, doc: /* -*- texinfo -*- @deftypefn {} {@var{val} =} IMAGE_PATH () @deftypefnx {} {@var{old_val} =} IMAGE_PATH (@var{new_val}) @deftypefnx {} {} IMAGE_PATH (@var{new_val}, "local") Query or set the internal variable that specifies a colon separated list of directories in which to search for image files. When called from inside a function with the @qcode{"local"} option, the variable is changed locally for the function and any subroutines it calls. The original variable value is restored when exiting the function. @seealso{EXEC_PATH, OCTAVE_HOME} @end deftypefn */) { return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (IMAGE_PATH); } /* %!test %! orig_val = IMAGE_PATH (); %! old_val = IMAGE_PATH ("X"); %! assert (orig_val, old_val); %! assert (IMAGE_PATH (), "X"); %! IMAGE_PATH (orig_val); %! assert (IMAGE_PATH (), orig_val); %!error (IMAGE_PATH (1, 2)) */ DEFUN (OCTAVE_HOME, args, , doc: /* -*- texinfo -*- @deftypefn {} {} OCTAVE_HOME () Return the name of the top-level Octave installation directory. @seealso{EXEC_PATH, IMAGE_PATH} @end deftypefn */) { if (args.length () != 0) print_usage (); return ovl (Voctave_home); } /* %!assert (ischar (OCTAVE_HOME ())) %!error OCTAVE_HOME (1) */ DEFUNX ("OCTAVE_VERSION", FOCTAVE_VERSION, args, , doc: /* -*- texinfo -*- @deftypefn {} {} OCTAVE_VERSION () Return the version number of Octave as a string. @seealso{ver, version} @end deftypefn */) { if (args.length () != 0) print_usage (); return ovl (OCTAVE_VERSION); } /* %!assert (ischar (OCTAVE_VERSION ())) %!error OCTAVE_VERSION (1) */