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annotate libinterp/octave-value/ov-oncleanup.cc @ 31771:21f9b34eb893

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maint: Eliminate "(void)" in C++ function prototypes/declarations. * mk-opts.pl, external.txi, embedded.cc, make_int.cc, standalone.cc, standalonebuiltin.cc, BaseControl.cc, BaseControl.h, ButtonControl.cc, ButtonControl.h, ButtonGroup.cc, ButtonGroup.h, Canvas.cc, Canvas.h, CheckBoxControl.cc, CheckBoxControl.h, Container.cc, Container.h, ContextMenu.cc, ContextMenu.h, EditControl.cc, EditControl.h, Figure.cc, Figure.h, FigureWindow.cc, FigureWindow.h, GLCanvas.cc, GLCanvas.h, GenericEventNotify.h, KeyMap.cc, ListBoxControl.cc, ListBoxControl.h, Logger.cc, Logger.h, Menu.cc, Menu.h, MenuContainer.h, Object.cc, Object.h, ObjectProxy.cc, ObjectProxy.h, Panel.cc, Panel.h, PopupMenuControl.cc, PopupMenuControl.h, PushButtonControl.cc, PushButtonControl.h, PushTool.cc, PushTool.h, RadioButtonControl.cc, RadioButtonControl.h, SliderControl.cc, SliderControl.h, Table.cc, Table.h, TextControl.cc, TextControl.h, TextEdit.h, ToggleButtonControl.cc, ToggleButtonControl.h, ToggleTool.cc, ToggleTool.h, ToolBar.cc, ToolBar.h, ToolBarButton.cc, ToolBarButton.h, gl-select.cc, gl-select.h, qopengl-functions.h, qt-graphics-toolkit.h, qdialog.cpp, qfontdialog.cpp, qprintdialog_win.cpp, liboctgui-build-info.h, liboctgui-build-info.in.cc, color-picker.cc, color-picker.h, command-widget.cc, command-widget.h, community-news.cc, community-news.h, dialog.cc, dialog.h, documentation-bookmarks.cc, documentation-bookmarks.h, documentation-dock-widget.cc, documentation-dock-widget.h, documentation.cc, documentation.h, dw-main-window.cc, dw-main-window.h, external-editor-interface.cc, external-editor-interface.h, files-dock-widget.cc, files-dock-widget.h, find-files-dialog.cc, find-files-dialog.h, find-files-model.cc, find-files-model.h, gui-preferences.cc, gui-preferences.h, gui-settings.cc, gui-settings.h, history-dock-widget.cc, history-dock-widget.h, interpreter-qobject.cc, interpreter-qobject.h, file-editor-interface.h, file-editor-tab.cc, file-editor-tab.h, file-editor.cc, file-editor.h, find-dialog.cc, find-dialog.h, marker.cc, marker.h, octave-qscintilla.cc, octave-qscintilla.h, octave-txt-lexer.cc, octave-txt-lexer.h, main-window.cc, main-window.h, news-reader.cc, news-reader.h, octave-dock-widget.cc, octave-dock-widget.h, octave-qobject.cc, octave-qobject.h, qt-application.cc, qt-application.h, qt-interpreter-events.cc, qt-interpreter-events.h, release-notes.cc, release-notes.h, set-path-dialog.cc, set-path-dialog.h, set-path-model.cc, set-path-model.h, settings-dialog.cc, settings-dialog.h, shortcuts-tree-widget.cc, shortcuts-tree-widget.h, tab-bar.cc, tab-bar.h, terminal-dock-widget.cc, terminal-dock-widget.h, variable-editor-model.cc, variable-editor-model.h, variable-editor.cc, variable-editor.h, welcome-wizard.cc, welcome-wizard.h, workspace-model.cc, workspace-model.h, workspace-view.cc, workspace-view.h, build-env.h, Cell.cc, Cell.h, __contourc__.cc, __magick_read__.cc, auto-shlib.cc, auto-shlib.h, base-text-renderer.h, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, call-stack.cc, call-stack.h, debug.cc, defaults.cc, defaults.h, defun.cc, display.cc, display.h, dynamic-ld.cc, dynamic-ld.h, environment.cc, environment.h, error.cc, error.h, errwarn.cc, errwarn.h, event-manager.cc, event-manager.h, event-queue.cc, event-queue.h, fcn-info.cc, fcn-info.h, ft-text-renderer.cc, ft-text-renderer.h, genprops.awk, gh-manager.cc, gh-manager.h, gl-render.cc, gl-render.h, gl2ps-print.cc, graphics-toolkit.h, graphics.cc, graphics.in.h, gtk-manager.cc, gtk-manager.h, help.cc, help.h, hook-fcn.h, input.cc, input.h, interpreter-private.cc, interpreter-private.h, interpreter.cc, interpreter.h, jsondecode.cc, latex-text-renderer.cc, latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h, ls-hdf5.cc, ls-hdf5.h, mxarray.h, oct-errno.h, oct-errno.in.cc, oct-fstrm.cc, oct-fstrm.h, oct-handle.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h, oct-map.cc, oct-map.h, oct-opengl.h, oct-prcstrm.cc, oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h, oct-process.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.cc, oct-strstrm.h, oct-tex-lexer.in.ll, pager.cc, pager.h, pr-flt-fmt.cc, pr-flt-fmt.h, pr-output.cc, pr-output.h, procstream.cc, procstream.h, settings.cc, settings.h, sighandlers.cc, sighandlers.h, stack-frame.cc, stack-frame.h, svd.cc, syminfo.cc, syminfo.h, symrec.cc, symrec.h, symscope.cc, symscope.h, symtab.cc, symtab.h, sysdep.cc, sysdep.h, text-engine.cc, text-engine.h, text-renderer.cc, text-renderer.h, toplev.cc, url-handle-manager.cc, url-handle-manager.h, variables.cc, xpow.cc, __init_fltk__.cc, __init_gnuplot__.cc, __ode15__.cc, audiodevinfo.cc, gzip.cc, liboctinterp-build-info.h, liboctinterp-build-info.in.cc, mk-build-env-features.sh, mk-builtins.pl, cdef-class.cc, cdef-class.h, cdef-manager.h, cdef-method.cc, cdef-method.h, cdef-object.cc, cdef-object.h, cdef-package.cc, cdef-package.h, cdef-property.cc, cdef-property.h, cdef-utils.cc, cdef-utils.h, ov-base-diag.cc, ov-base-diag.h, ov-base-int.cc, ov-base-int.h, ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.cc, 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.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.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-intx.h, ov-java.cc, ov-java.h, ov-lazy-idx.cc, ov-lazy-idx.h, ov-legacy-range.cc, ov-legacy-range.h, ov-magic-int.cc, ov-magic-int.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-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, ovl.cc, ovl.h, octave.cc, octave.h, anon-fcn-validator.h, bp-table.cc, bp-table.h, comment-list.cc, comment-list.h, filepos.h, lex.h, lex.ll, oct-lvalue.cc, oct-lvalue.h, oct-parse.yy, parse.h, profiler.cc, profiler.h, pt-anon-scopes.h, pt-arg-list.cc, pt-arg-list.h, pt-args-block.cc, pt-args-block.h, pt-array-list.cc, pt-array-list.h, pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.h, pt-cbinop.h, pt-cell.h, pt-check.h, pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.h, 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-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc, pt-select.h, pt-spmd.cc, pt-spmd.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc, pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-walk.h, pt.cc, pt.h, token.cc, token.h, usage.h, Array-base.cc, Array.h, CColVector.cc, CColVector.h, CDiagMatrix.cc, CDiagMatrix.h, CMatrix.cc, CMatrix.h, CNDArray.cc, CNDArray.h, CRowVector.cc, CRowVector.h, CSparse.cc, CSparse.h, DiagArray2.cc, DiagArray2.h, MArray.cc, MArray.h, MDiagArray2.h, MSparse.h, MatrixType.cc, MatrixType.h, PermMatrix.cc, PermMatrix.h, Range.cc, Range.h, Sparse-b.cc, Sparse.cc, Sparse.h, boolMatrix.cc, boolMatrix.h, boolNDArray.cc, boolNDArray.h, boolSparse.cc, boolSparse.h, chMatrix.h, chNDArray.h, dColVector.cc, dColVector.h, dDiagMatrix.cc, dDiagMatrix.h, dMatrix.cc, dMatrix.h, dNDArray.cc, dNDArray.h, dRowVector.cc, dRowVector.h, dSparse.cc, dSparse.h, dim-vector.cc, dim-vector.h, fCColVector.cc, fCColVector.h, fCDiagMatrix.cc, fCDiagMatrix.h, fCMatrix.cc, fCMatrix.h, fCNDArray.cc, fCNDArray.h, fCRowVector.cc, fCRowVector.h, fColVector.cc, fColVector.h, fDiagMatrix.cc, fDiagMatrix.h, fMatrix.cc, fMatrix.h, fNDArray.cc, fNDArray.h, fRowVector.cc, fRowVector.h, idx-vector.cc, idx-vector.h, intNDArray.cc, intNDArray.h, liboctave-build-info.h, liboctave-build-info.in.cc, CollocWt.cc, CollocWt.h, DAE.h, DAEFunc.h, DAERT.h, DAERTFunc.h, DASPK.cc, DASPK.h, DASRT.cc, DASRT.h, DASSL.cc, DASSL.h, DET.h, EIG.h, LSODE.cc, LSODE.h, ODE.h, ODEFunc.h, ODES.h, ODESFunc.h, Quad.h, aepbalance.cc, aepbalance.h, base-dae.h, base-de.h, chol.cc, chol.h, eigs-base.cc, fEIG.h, gepbalance.h, gsvd.cc, gsvd.h, hess.h, lu.cc, lu.h, oct-fftw.cc, oct-fftw.h, oct-rand.cc, oct-rand.h, oct-spparms.cc, oct-spparms.h, qr.cc, qr.h, qrp.cc, qrp.h, randmtzig.cc, randmtzig.h, schur.h, sparse-chol.cc, sparse-chol.h, sparse-lu.cc, sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h, child-list.cc, child-list.h, dir-ops.cc, dir-ops.h, file-ops.cc, file-ops.h, file-stat.cc, file-stat.h, lo-sysdep.cc, lo-sysdep.h, lo-sysinfo.cc, lo-sysinfo.h, mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h, oct-password.cc, oct-password.h, oct-syscalls.cc, oct-syscalls.h, oct-time.cc, oct-time.h, oct-uname.cc, oct-uname.h, action-container.h, base-list.h, caseless-str.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, data-conv.cc, file-info.h, glob-match.cc, glob-match.h, kpse.cc, kpse.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-hash.cc, lo-hash.h, lo-ieee.cc, lo-ieee.h, lo-regexp.cc, lo-regexp.h, oct-inttypes.cc, oct-inttypes.h, oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-shlib.cc, oct-shlib.h, oct-sort.cc, oct-sort.h, oct-sparse.cc, octave-preserve-stream-state.h, pathsearch.cc, pathsearch.h, quit.cc, singleton-cleanup.cc, singleton-cleanup.h, str-vec.cc, str-vec.h, unwind-prot.cc, unwind-prot.h, url-transfer.cc, url-transfer.h, version.cc, version.in.h, cxx-signal-helpers.cc, acinclude.m4, main-cli.cc, main-gui.cc, main.in.cc, mkoctfile.in.cc, octave-build-info.h, octave-build-info.in.cc, octave-config.in.cc, octave-svgconvert.cc, shared-fcns.h: maint: Eliminate "(void)" in C++ function prototypes/declarations.
author Rik <rik@octave.org>
date Tue, 24 Jan 2023 17:19:44 -0800
parents 610a85b0ff62
children 2e484f9f1f18
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2010-2023 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include "defun.h"
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31 #include "interpreter.h"
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32 #include "interpreter-private.h"
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33 #include "ov-oncleanup.h"
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34 #include "ov-fcn.h"
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35 #include "ov-usr-fcn.h"
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36 #include "pt-misc.h"
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37
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38 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_oncleanup, "onCleanup",
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39 "onCleanup");
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40
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41 octave_oncleanup::octave_oncleanup (const octave_value& f)
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42 : m_fcn (f)
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43 {
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44 if (f.is_function_handle ())
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45 {
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46 octave_function *fptr = f.function_value (true);
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47 if (! fptr)
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48 error ("onCleanup: no default dispatch for function handle");
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49
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50 octave_user_function *uptr
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51 = dynamic_cast<octave_user_function *> (fptr);
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52
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53 if (uptr != nullptr)
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54 {
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55 octave::tree_parameter_list *pl = uptr->parameter_list ();
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56
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57 if (pl != nullptr && pl->length () > 0)
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58 warning ("onCleanup: cleanup action takes parameters");
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59 }
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60 }
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61 else
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62 {
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63 m_fcn = octave_value ();
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64 error ("onCleanup: argument must be a function handle");
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65 }
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66 }
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67
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68 octave_oncleanup::~octave_oncleanup ()
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69 {
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70 call_object_destructor ();
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71 }
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72
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73 octave_scalar_map
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74 octave_oncleanup::scalar_map_value () const
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75 {
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76 octave_scalar_map retval;
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77 retval.setfield ("task", m_fcn);
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78 return retval;
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79 }
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80
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81 bool
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82 octave_oncleanup::save_ascii (std::ostream& /* os */)
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83 {
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84 warning ("save: unable to save onCleanup variables, skipping");
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85
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86 return true;
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87 }
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88
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89 bool
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90 octave_oncleanup::load_ascii (std::istream& /* is */)
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91 {
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92 // Silently skip object that was not saved
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93 return true;
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94 }
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95
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96 bool
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
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97 octave_oncleanup::save_binary (std::ostream& /* os */,
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586413770c7f pass save_as_floats by value in octave_value save_binary functions
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98 bool /* save_as_floats */)
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99 {
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100 warning ("save: unable to save onCleanup variables, skipping");
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101
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102 return true;
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103 }
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104
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105 bool
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106 octave_oncleanup::load_binary (std::istream& /* is */, bool /* swap */,
21739
c4ab2e54f100 use namespace for oct_mach_info class
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107 octave::mach_info::float_format /* fmt */)
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108 {
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109 // Silently skip object that was not saved
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110 return true;
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111 }
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112
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113 bool
19863
09ed6f7538dd avoid needing to include hdf5 in public header files (bug #44370, #43180)
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114 octave_oncleanup::save_hdf5 (octave_hdf5_id /* loc_id */,
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115 const char * /* name */,
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116 bool /* save_as_floats */)
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117 {
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118 warning ("save: unable to save onCleanup variables, skipping");
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119
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120 return true;
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121 }
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122
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123 bool
19863
09ed6f7538dd avoid needing to include hdf5 in public header files (bug #44370, #43180)
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124 octave_oncleanup::load_hdf5 (octave_hdf5_id /* loc_id */,
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125 const char * /* name */)
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126 {
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127 // Silently skip object that was not saved
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128 return true;
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129 }
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130
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131 void
18416
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132 octave_oncleanup::print (std::ostream& os, bool pr_as_read_syntax)
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133 {
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134 print_raw (os, pr_as_read_syntax);
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135 newline (os);
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136 }
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137
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138 void
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139 octave_oncleanup::print_raw (std::ostream& os, bool pr_as_read_syntax) const
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140 {
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141 os << "onCleanup (";
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142 if (m_fcn.is_defined ())
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diff changeset
143 m_fcn.print_raw (os, pr_as_read_syntax);
23807
336f89b6208b Use character literals 'c' rather than string literals "c" when possible.
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diff changeset
144 os << ')';
14013
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145 }
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146
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diff changeset
147 void
31771
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diff changeset
148 octave_oncleanup::call_object_destructor ()
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diff changeset
149 {
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diff changeset
150 if (m_fcn.is_undefined ())
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diff changeset
151 return;
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152
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diff changeset
153 octave_value the_fcn = m_fcn;
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diff changeset
154 m_fcn = octave_value ();
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diff changeset
155
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diff changeset
156 octave::unwind_protect frame;
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diff changeset
157
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diff changeset
158 // Clear interrupts.
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diff changeset
159 frame.protect_var (octave_interrupt_state);
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diff changeset
160 octave_interrupt_state = 0;
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diff changeset
161
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162 // Disallow quit().
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diff changeset
163 frame.protect_var (quit_allowed);
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diff changeset
164 quit_allowed = false;
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diff changeset
165
31105
670a0d878af1 eliminate WHO arguments from interpreter-private functions
John W. Eaton <jwe@octave.org>
parents: 30564
diff changeset
166 octave::interpreter& interp = octave::__get_interpreter__ ();
27474
3fec8e9fa2aa make recover_from_exception a member function
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diff changeset
167
29956
a956ca6698d2 move some error handling functions inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
168 octave::interpreter_try (frame);
26655
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diff changeset
169
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diff changeset
170 try
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diff changeset
171 {
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172 // Run the actual code.
31730
610a85b0ff62 use interpreter::feval instead of global feval function
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parents: 31706
diff changeset
173 interp.feval (the_fcn);
26655
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diff changeset
174 }
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diff changeset
175 catch (const octave::interrupt_exception&)
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diff changeset
176 {
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177 interp.recover_from_exception ();
26655
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diff changeset
178
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179 warning ("onCleanup: interrupt occurred in cleanup action");
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180 }
27471
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diff changeset
181 catch (const octave::execution_exception& ee)
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diff changeset
182 {
27474
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diff changeset
183 interp.recover_from_exception ();
27160
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diff changeset
184
27471
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diff changeset
185 std::string msg = ee.message ();
27160
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diff changeset
186
26655
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diff changeset
187 warning ("onCleanup: error caught while executing cleanup function:\n%s\n",
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diff changeset
188 msg.c_str ());
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diff changeset
189
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190 }
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diff changeset
191 catch (const octave::exit_exception&)
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diff changeset
192 {
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193 // This shouldn't happen since we disabled quit above.
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194 warning ("onCleanup: exit disabled while executing cleanup function");
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195 }
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196 catch (...) // Yes, the black hole. We're in a d-tor.
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197 {
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198 // This shouldn't happen, in theory.
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199 warning ("onCleanup: internal error: unhandled exception in cleanup action");
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200 }
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201 }
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diff changeset
202
31605
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Rik <rik@octave.org>
parents: 31105
diff changeset
203 OCTAVE_BEGIN_NAMESPACE(octave)
29958
32c3a5805893 move DEFUN and DEFMETHOD functions inside octave namespace
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diff changeset
204
14013
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205 DEFUN (onCleanup, args, ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
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diff changeset
206 doc: /* -*- texinfo -*-
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207 @deftypefn {} {@var{obj} =} onCleanup (@var{function})
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208 Create a special object that executes a given function upon destruction.
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209
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210 If the object is copied to multiple variables (or cell or struct array
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211 elements) or returned from a function, @var{function} will be executed after
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212 clearing the last copy of the object. Note that if multiple local onCleanup
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213 variables are created, the order in which they are called is unspecified.
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214 For similar functionality @xref{The unwind_protect Statement}.
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215 @end deftypefn */)
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216 {
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217 if (args.length () != 1)
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218 print_usage ();
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219
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220 return ovl (new octave_oncleanup (args(0)));
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221 }
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222
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223 /*
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224 %!test
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225 %! old_wstate = warning ("query");
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226 %! unwind_protect
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227 %! trigger = onCleanup (@() warning ("on", "__MY_WARNING__"));
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228 %! warning ("off", "__MY_WARNING__");
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229 %! assert ((warning ("query", "__MY_WARNING__")).state, "off");
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230 %! clear trigger;
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231 %! assert ((warning ("query", "__MY_WARNING__")).state, "on");
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232 %! unwind_protect_cleanup
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233 %! warning (old_wstate);
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234 %! end_unwind_protect
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235 */
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236
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237 OCTAVE_END_NAMESPACE(octave)