Mercurial > octave
view libinterp/corefcn/symtab.cc @ 31771:21f9b34eb893
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 | 52a5bec0fc74 |
children | 8e4f14837db2 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1993-2023 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // 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 // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <iostream> #include <sstream> #include "oct-time.h" #include "bp-table.h" #include "defun.h" #include "fcn-info.h" #include "interpreter-private.h" #include "interpreter.h" #include "load-path.h" #include "ov-classdef.h" #include "ov-fcn.h" #include "ov-usr-fcn.h" #include "pager.h" #include "parse.h" #include "pt-pr-code.h" #include "symscope.h" #include "symtab.h" OCTAVE_BEGIN_NAMESPACE(octave) symbol_table::symbol_table (interpreter& interp) : m_interpreter (interp), m_fcn_table (), m_class_precedence_table (), m_parent_map () { install_builtins (); } symbol_scope symbol_table::current_scope () const { tree_evaluator& tw = m_interpreter.get_evaluator (); return tw.get_current_scope (); } bool symbol_table::is_built_in_function_name (const std::string& name) { octave_value val = find_built_in_function (name); return val.is_defined (); } octave_value symbol_table::find_scoped_function (const std::string& name, const symbol_scope& search_scope) { if (name.empty ()) return octave_value (); fcn_table_const_iterator p = m_fcn_table.find (name); if (p != m_fcn_table.end ()) return p->second.find_scoped_function (search_scope); else { fcn_info finfo (name); octave_value fcn = finfo.find_scoped_function (search_scope); if (fcn.is_defined ()) m_fcn_table[name] = finfo; return fcn; } } octave_value symbol_table::find_private_function (const std::string& dir_name, const std::string& name) { if (name.empty ()) return octave_value (); fcn_table_const_iterator p = m_fcn_table.find (name); if (p != m_fcn_table.end ()) return p->second.find_private_function (dir_name); else { fcn_info finfo (name); octave_value fcn = finfo.find_private_function (dir_name); if (fcn.is_defined ()) m_fcn_table[name] = finfo; return fcn; } } // FIXME: this function only finds legacy class methods, not // classdef methods. octave_value symbol_table::find_method (const std::string& name, const std::string& dispatch_type) { if (name.empty ()) return octave_value (); fcn_table_const_iterator p = m_fcn_table.find (name); if (p != m_fcn_table.end ()) return p->second.find_method (dispatch_type); else { fcn_info finfo (name); octave_value fcn = finfo.find_method (dispatch_type); if (fcn.is_defined ()) m_fcn_table[name] = finfo; return fcn; } } octave_value symbol_table::find_built_in_function (const std::string& name) { fcn_table_const_iterator p = m_fcn_table.find (name); if (p != m_fcn_table.end ()) return p->second.find_built_in_function (); else { fcn_info finfo (name); octave_value fcn = finfo.find_built_in_function (); if (fcn.is_defined ()) m_fcn_table[name] = finfo; return fcn; } } octave_value symbol_table::find_autoload (const std::string& name) { if (name.empty ()) return octave_value (); auto p = m_fcn_table.find (name); if (p != m_fcn_table.end ()) return p->second.find_autoload (); else { fcn_info finfo (name); octave_value fcn = finfo.find_autoload (); if (fcn.is_defined ()) m_fcn_table[name] = finfo; return fcn; } } octave_value symbol_table::builtin_find (const std::string& name, const symbol_scope& search_scope_arg) { if (name.empty ()) return octave_value (); fcn_table_iterator p = m_fcn_table.find (name); symbol_scope search_scope = (search_scope_arg ? search_scope_arg : current_scope ()); if (p != m_fcn_table.end ()) return p->second.builtin_find (search_scope); else { fcn_info finfo (name); octave_value fcn = finfo.builtin_find (search_scope); if (fcn.is_defined ()) m_fcn_table[name] = finfo; return fcn; } return octave_value (); } octave_value symbol_table::fcn_table_find (const std::string& name, const octave_value_list& args, const symbol_scope& search_scope_arg) { if (name.empty ()) return octave_value (); fcn_table_iterator p = m_fcn_table.find (name); symbol_scope search_scope = (search_scope_arg ? search_scope_arg : current_scope ()); if (p != m_fcn_table.end ()) return p->second.find (search_scope, args); else { fcn_info finfo (name); octave_value fcn = finfo.find (search_scope, args); if (fcn.is_defined ()) m_fcn_table[name] = finfo; return fcn; } return octave_value (); } octave_value symbol_table::find_function (const std::string& name, const symbol_scope& search_scope_arg) { if (name.empty ()) return octave_value (); if (name[0] == '@') { std::size_t pos = name.find_first_of ('/'); if (pos == std::string::npos) return octave_value (); std::string method = name.substr (pos+1); std::string dispatch_type = name.substr (1, pos-1); return find_method (method, dispatch_type); } else { symbol_scope search_scope = (search_scope_arg ? search_scope_arg : current_scope ()); return find_function (name, ovl (), search_scope); } } octave_value symbol_table::find_function (const std::string& name, const octave_value_list& args, const symbol_scope& search_scope) { if (name.empty ()) return octave_value (); return fcn_table_find (name, args, search_scope); } octave_value symbol_table::find_user_function (const std::string& name) { if (name.empty ()) return octave_value (); auto p = m_fcn_table.find (name); if (p != m_fcn_table.end ()) return p->second.find_user_function (); else { fcn_info finfo (name); octave_value fcn = finfo.find_user_function (); if (fcn.is_defined ()) m_fcn_table[name] = finfo; return fcn; } } octave_value symbol_table::find_cmdline_function (const std::string& name) { if (name.empty ()) return octave_value (); auto p = m_fcn_table.find (name); if (p != m_fcn_table.end ()) return p->second.find_cmdline_function (); else { fcn_info finfo (name); octave_value fcn = finfo.find_cmdline_function (); if (fcn.is_defined ()) m_fcn_table[name] = finfo; return fcn; } } void symbol_table::install_cmdline_function (const std::string& name, const octave_value& fcn) { auto p = m_fcn_table.find (name); if (p != m_fcn_table.end ()) { fcn_info& finfo = p->second; finfo.install_cmdline_function (fcn); } else { fcn_info finfo (name); finfo.install_cmdline_function (fcn); m_fcn_table[name] = finfo; } } // Install local function FCN named NAME. FILE_NAME is the name of // the file containing the local function. void symbol_table::install_local_function (const std::string& name, const octave_value& fcn, const std::string& file_name) { auto p = m_fcn_table.find (name); if (p != m_fcn_table.end ()) { fcn_info& finfo = p->second; finfo.install_local_function (fcn, file_name); } else { fcn_info finfo (name); finfo.install_local_function (fcn, file_name); m_fcn_table[name] = finfo; } } void symbol_table::install_user_function (const std::string& name, const octave_value& fcn) { auto p = m_fcn_table.find (name); if (p != m_fcn_table.end ()) { fcn_info& finfo = p->second; finfo.install_user_function (fcn); } else { fcn_info finfo (name); finfo.install_user_function (fcn); m_fcn_table[name] = finfo; } } // FIXME: should we ensure that FCN really is a built-in function // object? void symbol_table::install_built_in_function (const std::string& name, const octave_value& fcn) { auto p = m_fcn_table.find (name); if (p != m_fcn_table.end ()) { fcn_info& finfo = p->second; finfo.install_built_in_function (fcn); } else { fcn_info finfo (name); finfo.install_built_in_function (fcn); m_fcn_table[name] = finfo; } } // This is written as two separate functions instead of a single // function with default values so that it will work properly with // unwind_protect. void symbol_table::clear_functions (bool force) { auto p = m_fcn_table.begin (); while (p != m_fcn_table.end ()) (p++)->second.clear (force); } void symbol_table::clear_function (const std::string& name) { clear_user_function (name); } void symbol_table::clear_function_pattern (const std::string& pat) { glob_match pattern (pat); auto p = m_fcn_table.begin (); while (p != m_fcn_table.end ()) { if (pattern.match (p->first)) (p++)->second.clear_user_function (); else p++; } } void symbol_table::clear_function_regexp (const std::string& pat) { regexp pattern (pat); auto p = m_fcn_table.begin (); while (p != m_fcn_table.end ()) { if (pattern.is_match (p->first)) (p++)->second.clear_user_function (); else p++; } } void symbol_table::clear_user_function (const std::string& name) { auto p = m_fcn_table.find (name); if (p != m_fcn_table.end ()) { fcn_info& finfo = p->second; finfo.clear_user_function (); } // FIXME: is this necessary, or even useful? // else // error ("clear: no such function '%s'", name.c_str ()); } // This clears oct and mex files, including autoloads. void symbol_table::clear_dld_function (const std::string& name) { auto p = m_fcn_table.find (name); if (p != m_fcn_table.end ()) { fcn_info& finfo = p->second; finfo.clear_autoload_function (); finfo.clear_user_function (); } } void symbol_table::clear_mex_functions () { auto p = m_fcn_table.begin (); while (p != m_fcn_table.end ()) (p++)->second.clear_mex_function (); } // Insert INF_CLASS in the set of class names that are considered // inferior to SUP_CLASS. Return FALSE if INF_CLASS is currently // marked as superior to SUP_CLASS. bool symbol_table::set_class_relationship (const std::string& sup_class, const std::string& inf_class) { if (is_superiorto (inf_class, sup_class)) return false; // If sup_class doesn't have an entry in the precedence table, // this will automatically create it, and associate to it a // singleton set {inf_class} of inferior classes. m_class_precedence_table[sup_class].insert (inf_class); return true; } // Has class A been marked as superior to class B? Also returns // TRUE if B has been marked as inferior to A, since we only keep // one table, and convert inferiorto information to a superiorto // relationship. Two calls are required to determine whether there // is no relationship between two classes: // // if (symbol_table::is_superiorto (a, b)) // // A is superior to B, or B has been marked inferior to A. // else if (symbol_table::is_superiorto (b, a)) // // B is superior to A, or A has been marked inferior to B. // else // // No relation. bool symbol_table::is_superiorto (const std::string& a, const std::string& b) { class_precedence_table_const_iterator p = m_class_precedence_table.find (a); // If a has no entry in the precedence table, return false if (p == m_class_precedence_table.end ()) return false; const std::set<std::string>& inferior_classes = p->second; std::set<std::string>::const_iterator q = inferior_classes.find (b); return (q != inferior_classes.end ()); } void symbol_table::alias_built_in_function (const std::string& alias, const std::string& name) { octave_value fcn = find_built_in_function (name); if (fcn.is_defined ()) { fcn_info finfo (alias); finfo.install_built_in_function (fcn); m_fcn_table[alias] = finfo; } else panic ("alias: '%s' is undefined", name.c_str ()); } void symbol_table::install_built_in_dispatch (const std::string& name, const std::string& klass) { auto p = m_fcn_table.find (name); if (p != m_fcn_table.end ()) { fcn_info& finfo = p->second; finfo.install_built_in_dispatch (klass); } else error ("install_built_in_dispatch: '%s' is undefined", name.c_str ()); } std::list<std::string> symbol_table::user_function_names () { std::list<std::string> retval; for (const auto& nm_finfo : m_fcn_table) { if (nm_finfo.second.is_user_function_defined ()) retval.push_back (nm_finfo.first); } if (! retval.empty ()) retval.sort (); return retval; } std::list<std::string> symbol_table::built_in_function_names () { std::list<std::string> retval; for (const auto& nm_finfo : m_fcn_table) { octave_value fcn = nm_finfo.second.find_built_in_function (); if (fcn.is_defined ()) retval.push_back (nm_finfo.first); } if (! retval.empty ()) retval.sort (); return retval; } std::list<std::string> symbol_table::cmdline_function_names () { std::list<std::string> retval; for (const auto& nm_finfo : m_fcn_table) { octave_value fcn = nm_finfo.second.find_cmdline_function (); if (fcn.is_defined ()) retval.push_back (nm_finfo.first); } if (! retval.empty ()) retval.sort (); return retval; } template <template <typename, typename...> class C, typename V, typename... A> static octave_value dump_container_map (const std::map<std::string, C<V, A...>>& container_map) { if (container_map.empty ()) return octave_value (Matrix ()); std::map<std::string, octave_value> info_map; for (const auto& nm_container : container_map) { std::string nm = nm_container.first; const C<V, A...>& container = nm_container.second; info_map[nm] = Cell (container); } return octave_value (info_map); } octave_value symbol_table::dump () const { std::map<std::string, octave_value> m = {{ "function_info", dump_fcn_table_map () }, { "precedence_table", dump_container_map (m_class_precedence_table) }, { "parent_classes", dump_container_map (m_parent_map) } }; return octave_value (m); } void symbol_table::add_to_parent_map (const std::string& classname, const std::list<std::string>& parent_list) { m_parent_map[classname] = parent_list; } std::list<std::string> symbol_table::parent_classes (const std::string& dispatch_type) { std::list<std::string> retval; const_parent_map_iterator it = m_parent_map.find (dispatch_type); if (it != m_parent_map.end ()) retval = it->second; for (const auto& nm : retval) { // Search for parents of parents and append them to the list. // FIXME: should we worry about a circular inheritance graph? std::list<std::string> parents = parent_classes (nm); if (! parents.empty ()) retval.insert (retval.end (), parents.begin (), parents.end ()); } return retval; } void symbol_table::cleanup () { clear_functions (); m_fcn_table.clear (); m_class_precedence_table.clear (); m_parent_map.clear (); } fcn_info *symbol_table::get_fcn_info (const std::string& name) { auto p = m_fcn_table.find (name); return p != m_fcn_table.end () ? &p->second : nullptr; } octave_value symbol_table::dump_fcn_table_map () const { if (m_fcn_table.empty ()) return octave_value (Matrix ()); std::map<std::string, octave_value> info_map; for (const auto& nm_finfo : m_fcn_table) { std::string nm = nm_finfo.first; const fcn_info& finfo = nm_finfo.second; info_map[nm] = finfo.dump (); } return octave_value (info_map); } DEFMETHOD (__dump_symtab_info__, interp, args, , doc: /* -*- texinfo -*- @deftypefn {} {@var{S} =} __dump_symtab_info__ () @deftypefnx {} {@var{S} =} __dump_symtab_info__ (@var{function}) Return a structure with information from the symbol table. @end deftypefn */) { int nargin = args.length (); if (nargin > 1) print_usage (); symbol_table& symtab = interp.get_symbol_table (); if (nargin == 0) return symtab.dump (); else { std::string fname = args(0).xstring_value ("__dump_symtab_info__: argument must be a function name"); fcn_info *finfo = symtab.get_fcn_info (fname); if (finfo) return finfo->dump (); } return ovl (); } DEFMETHOD (__get_cmdline_fcn_txt__, interp, args, , doc: /* -*- texinfo -*- @deftypefn {} {@var{str} =} __get_cmdline_fcn_txt__ (@var{name}) Undocumented internal function. @end deftypefn */) { if (args.length () != 1) print_usage (); std::string name = args(0).xstring_value ("__get_cmdline_fcn_txt__: first argument must be function name"); symbol_table& symtab = interp.get_symbol_table (); octave_value ov = symtab.find_cmdline_function (name); octave_user_function *f = ov.user_function_value (); octave_value_list retval; if (f) { std::ostringstream buf; tree_print_code tpc (buf); f->accept (tpc); retval = ovl (buf.str ()); } return retval; } // FIXME: should we have functions like this in Octave? // // DEFMETHOD (set_variable, interp, args, , "set_variable (NAME, VALUE)") // { // if (args.length () != 2) // print_usage (); // // std::string name = args(0).xstring_value ("set_variable: variable NAME must be a string"); // // symbol_table& symtab = interp.get_symbol_table (); // // symtab.assign (name, args(1)); // // return ovl (); // } // // DEFMETHOD (variable_value, interp, args, , "VALUE = variable_value (NAME)") // { // if (args.length () != 1) // print_usage (); // // octave_value retval; // // std::string name = args(0).xstring_value ("variable_value: variable NAME must be a string"); // // symbol_table& symtab = interp.get_symbol_table (); // // retval = symtab.varval (name); // // if (retval.is_undefined ()) // error ("variable_value: '%s' is not a variable in the current scope", // name.c_str ()); // // return retval; // } /* bug #34497: 'clear -f' does not work for command line functions This test relies on bar being a core function that is implemented in an m-file. If the first assert fails, this is no longer the case and the tests need to be updated to use some other function. %!assert <34497> (! strcmp (which ("bar"), "")) %!function x = bar () %! x = 5; %!endfunction %!test %! assert (bar == 5); %! assert (strcmp (which ("bar"), "command-line function")); %! clear -f bar; %! assert (! strcmp (which ("bar"), "")); %!function x = bar () %! x = 5; %!endfunction %!test %! assert (bar == 5); %! assert (strcmp (which ("bar"), "command-line function")); %! clear bar; %! assert (! strcmp (which ("bar"), "")); */ OCTAVE_END_NAMESPACE(octave)