Mercurial > octave
view liboctave/util/oct-shlib.h @ 23446:cd4e1ee28716
maint: Use convention 'void * fcn ()' for functions which return pointers.
* make_int.cc, dialog.h, file-editor-interface.h, file-editor-tab.h,
file-editor.h, octave-txt-lexer.h, main-window.h, octave-dock-widget.h,
parser.h, webinfo.h, resource-manager.h, thread-manager.h, c-file-ptr-stream.h,
call-stack.h, comment-list.h, ft-text-renderer.h, gl-render.cc, input.h,
mex.cc, mexproto.h, mxarray.in.h, oct-fstrm.h, oct-iostrm.h, oct-procbuf.h,
oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.h, octave-link.h,
sighandlers.cc, symtab.h, sysdep.h, utils.h, audiodevinfo.cc, ov-base-diag.h,
ov-base-int.h, ov-base-scalar.h, ov-base-sparse.h, ov-base.h, ov-bool-mat.h,
ov-bool-sparse.h, ov-bool.h, ov-builtin.h, ov-cell.h, ov-ch-mat.h, ov-class.h,
ov-classdef.h, ov-colon.h, ov-complex.cc, ov-complex.h, ov-cs-list.h,
ov-cx-diag.h, ov-cx-mat.h, ov-cx-sparse.h, ov-fcn-handle.h, ov-fcn-inline.h,
ov-fcn.h, ov-float.h, ov-flt-complex.h, ov-flt-cx-diag.h, ov-flt-cx-mat.h,
ov-flt-re-diag.h, ov-flt-re-mat.h, ov-intx.h, ov-java.cc, ov-java.h,
ov-lazy-idx.h, ov-mex-fcn.h, ov-oncleanup.h, ov-perm.h, ov-range.h,
ov-re-diag.h, ov-re-mat.h, ov-re-sparse.h, ov-scalar.h, ov-str-mat.h,
ov-struct.h, ov-usr-fcn.h, ov.h, octave.h, bp-table.h, jit-ir.h,
jit-typeinfo.h, jit-util.h, lex.h, parse.h, pt-arg-list.h, pt-array-list.h,
pt-assign.h, pt-binop.h, pt-cell.h, pt-classdef.h, pt-cmd.h, pt-colon.h,
pt-const.h, pt-decl.h, pt-except.h, pt-exp.h, pt-fcn-handle.h, pt-funcall.h,
pt-id.h, pt-idx.h, pt-jit.h, pt-jump.h, pt-loop.h, pt-mat.h, pt-misc.h,
pt-select.h, pt-stmt.h, pt-unop.h, token.h, Array.cc, Array.h, DiagArray2.h,
Sparse.h, dim-vector.h, idx-vector.h, sparse-chol.cc, cmd-edit.cc, cmd-edit.h,
lo-array-errwarn.cc, lo-array-errwarn.h, lo-array-gripes.cc, lo-utils.h,
oct-inttypes.h, oct-locbuf.h, oct-refcount.h, oct-rl-edit.h, oct-rl-hist.h,
oct-shlib.cc, oct-shlib.h, str-vec.h, canonicalize-file-name-wrapper.h,
dirent-wrappers.h, getopt-wrapper.h, glob-wrappers.h, localcharset-wrapper.h,
set-program-name-wrapper.h, signal-wrappers.h, strdup-wrapper.h,
tmpfile-wrapper.h, unistd-wrappers.h, display-available.h:
Use convention 'void * fcn ()' for functions which return pointers.
author | Rik <rik@octave.org> |
---|---|
date | Thu, 27 Apr 2017 09:48:57 -0700 |
parents | 092078913d54 |
children | b075b1629c26 |
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/* Copyright (C) 1999-2017 John W. Eaton Copyright (C) 2009 VZLU Prague 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 (octave_oct_shlib_h) #define octave_oct_shlib_h 1 #include "octave-config.h" #include <string> #include <map> #include "oct-time.h" #include "oct-refcount.h" namespace octave { class OCTAVE_API dynamic_library { public: // FIXME: make this class private? typedef std::string (*name_mangler) (const std::string&); typedef void (*close_hook) (const std::string&); class dynlib_rep { public: dynlib_rep (void) : count (1), file (), tm_loaded (time_t ()), fcn_names () { } protected: dynlib_rep (const std::string& f); public: virtual ~dynlib_rep (void) { instances.erase (file); } virtual bool is_open (void) const { return false; } virtual void * search (const std::string&, name_mangler = 0) { return 0; } bool is_out_of_date (void) const; // This method will be overridden conditionally. static dynlib_rep * new_instance (const std::string& f); static dynlib_rep * get_instance (const std::string& f, bool fake); octave::sys::time time_loaded (void) const { return tm_loaded; } std::string file_name (void) const { return file; } size_t num_fcn_names (void) const { return fcn_names.size (); } void add_fcn_name (const std::string&); bool remove_fcn_name (const std::string&); void do_close_hook (close_hook cl_hook); public: octave::refcount<int> count; protected: void fake_reload (void); std::string file; octave::sys::time tm_loaded; // Set of hooked function names. typedef std::map<std::string, size_t>::iterator fcn_names_iterator; typedef std::map<std::string, size_t>::const_iterator fcn_names_const_iterator; std::map<std::string, size_t> fcn_names; static std::map<std::string, dynlib_rep *> instances; }; private: static dynlib_rep nil_rep; public: dynamic_library (void) : rep (&nil_rep) { rep->count++; } dynamic_library (const std::string& f, bool fake = true) : rep (dynlib_rep::get_instance (f, fake)) { } ~dynamic_library (void) { if (--rep->count == 0) delete rep; } dynamic_library (const dynamic_library& sl) : rep (sl.rep) { rep->count++; } dynamic_library& operator = (const dynamic_library& sl) { if (rep != sl.rep) { if (--rep->count == 0) delete rep; rep = sl.rep; rep->count++; } return *this; } bool operator == (const dynamic_library& sl) const { return (rep == sl.rep); } operator bool () const { return rep->is_open (); } void open (const std::string& f) { *this = dynamic_library (f); } void close (close_hook cl_hook = 0) { if (cl_hook) rep->do_close_hook (cl_hook); *this = dynamic_library (); } void * search (const std::string& nm, name_mangler mangler = 0) const { void *f = rep->search (nm, mangler); if (f) rep->add_fcn_name (nm); return f; } void add (const std::string& name) { rep->add_fcn_name (name); } bool remove (const std::string& name) { return rep->remove_fcn_name (name); } size_t number_of_functions_loaded (void) const { return rep->num_fcn_names (); } bool is_out_of_date (void) const { return rep->is_out_of_date (); } std::string file_name (void) const { return rep->file_name (); } octave::sys::time time_loaded (void) const { return rep->time_loaded (); } private: dynlib_rep *rep; }; } #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS) OCTAVE_DEPRECATED ("use 'octave::dynamic_library' instead") typedef octave::dynamic_library octave_shlib; #endif #endif