include octave-config.h in public header files * mk-opts.pl, mkbuiltins, mk-ops.awk, sparse-mk-ops.awk: Emit "#include octave-config.h" statement for generated header files. * build-env.h, builtins.h, Cell.h, base-text-renderer.h, c-file-ptr-stream.h, cdisplay.h, comment-list.h, data.h, debug.h, defaults.in.h, defun-dld.h, defun-int.h, defun.h, dirfns.h, display.h, dynamic-ld.h, error.h, errwarn.h, event-queue.h, file-io.h, ft-text-renderer.h, gl-render.h, gl2ps-print.h, graphics.in.h, gripes.h, help.h, hook-fcn.h, input.h, jit-ir.h, jit-typeinfo.h, jit-util.h, load-path.h, load-save.h, ls-ascii-helper.h, ls-hdf5.h, ls-mat-ascii.h, ls-mat4.h, ls-mat5.h, ls-oct-binary.h, ls-oct-text.h, ls-utils.h, mex.h, mexproto.h, mxarray.in.h, oct-errno.h, oct-fstrm.h, oct-handle.h, oct-hdf5-types.h, oct-hdf5.h, oct-hist.h, oct-iostrm.h, oct-lvalue.h, oct-map.h, oct-obj.h, oct-opengl.h, oct-prcstrm.h, oct-procbuf.h, oct-stdstrm.h, oct-stream.h, oct-strstrm.h, oct.h, octave-default-image.h, octave-link.h, octave-preserve-stream-state.h, pager.h, pr-output.h, procstream.h, profiler.h, pt-jit.h, sighandlers.h, siglist.h, sparse-xdiv.h, sparse-xpow.h, symtab.h, sysdep.h, text-renderer.h, toplev.h, txt-eng.h, utils.h, variables.h, workspace-element.h, xdiv.h, xnorm.h, xpow.h, zfstream.h, oct-qhull.h, ov-base-diag.h, ov-base-int.h, ov-base-mat.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.h, ov-cs-list.h, ov-cx-diag.h, ov-cx-mat.h, ov-cx-sparse.h, ov-dld-fcn.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-int-traits.h, ov-int16.h, ov-int32.h, ov-int64.h, ov-int8.h, ov-intx.h, ov-java.h, ov-lazy-idx.h, ov-mex-fcn.h, ov-null-mat.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-type-conv.h, ov-typeinfo.h, ov-uint16.h, ov-uint32.h, ov-uint64.h, ov-uint8.h, ov-usr-fcn.h, ov.h, ovl.h, octave.h, op-int.h, ops.h, options-usage.h, lex.h, parse.h, pt-all.h, pt-arg-list.h, pt-array-list.h, pt-assign.h, pt-binop.h, pt-bp.h, pt-cbinop.h, pt-cell.h, pt-check.h, pt-classdef.h, pt-cmd.h, pt-colon.h, pt-const.h, pt-decl.h, pt-eval.h, pt-except.h, pt-exp.h, pt-fcn-handle.h, pt-funcall.h, pt-id.h, pt-idx.h, pt-jump.h, pt-loop.h, pt-mat.h, pt-misc.h, pt-pr-code.h, pt-select.h, pt-stmt.h, pt-unop.h, pt-walk.h, pt.h, token.h, version.in.h, Array-util.h, Array.h, CColVector.h, CDiagMatrix.h, CMatrix.h, CNDArray.h, CRowVector.h, CSparse.h, DiagArray2.h, MArray.h, MDiagArray2.h, MSparse.h, Matrix.h, MatrixType.h, PermMatrix.h, Range.h, Sparse.h, boolMatrix.h, boolNDArray.h, boolSparse.h, chMatrix.h, chNDArray.h, dColVector.h, dDiagMatrix.h, dMatrix.h, dNDArray.h, dRowVector.h, dSparse.h, dim-vector.h, fCColVector.h, fCDiagMatrix.h, fCMatrix.h, fCNDArray.h, fCRowVector.h, fColVector.h, fDiagMatrix.h, fMatrix.h, fNDArray.h, fRowVector.h, idx-vector.h, int16NDArray.h, int32NDArray.h, int64NDArray.h, int8NDArray.h, intNDArray.h, uint16NDArray.h, uint32NDArray.h, uint64NDArray.h, uint8NDArray.h, f77-fcn.h, lo-error.h, quit.h, CmplxAEPBAL.h, CmplxCHOL.h, CmplxGEPBAL.h, CmplxHESS.h, CmplxLU.h, CmplxQR.h, CmplxQRP.h, CmplxSCHUR.h, CmplxSVD.h, CollocWt.h, DAE.h, DAEFunc.h, DAERT.h, DAERTFunc.h, DASPK.h, DASRT.h, DASSL.h, DET.h, EIG.h, LSODE.h, ODE.h, ODEFunc.h, ODES.h, ODESFunc.h, Quad.h, base-aepbal.h, base-dae.h, base-de.h, base-lu.h, base-min.h, base-qr.h, bsxfun-decl.h, bsxfun.h, dbleAEPBAL.h, dbleCHOL.h, dbleGEPBAL.h, dbleHESS.h, dbleLU.h, dbleQR.h, dbleQRP.h, dbleSCHUR.h, dbleSVD.h, eigs-base.h, fCmplxAEPBAL.h, fCmplxCHOL.h, fCmplxGEPBAL.h, fCmplxHESS.h, fCmplxLU.h, fCmplxQR.h, fCmplxQRP.h, fCmplxSCHUR.h, fCmplxSVD.h, fEIG.h, floatAEPBAL.h, floatCHOL.h, floatGEPBAL.h, floatHESS.h, floatLU.h, floatQR.h, floatQRP.h, floatSCHUR.h, floatSVD.h, lo-mappers.h, lo-specfun.h, oct-convn.h, oct-fftw.h, oct-norm.h, oct-rand.h, oct-spparms.h, randgamma.h, randmtzig.h, randpoisson.h, sparse-chol.h, sparse-dmsolve.h, sparse-lu.h, sparse-qr.h, Sparse-diag-op-defs.h, Sparse-op-decls.h, Sparse-op-defs.h, Sparse-perm-op-defs.h, mx-base.h, mx-defs.h, mx-ext.h, mx-op-decl.h, mx-op-defs.h, dir-ops.h, file-ops.h, file-stat.h, lo-sysdep.h, mach-info.h, oct-env.h, oct-group.h, oct-openmp.h, oct-passwd.h, oct-syscalls.h, oct-time.h, oct-uname.h, pathlen.h, sysdir.h, syswait.h, action-container.h, base-list.h, byte-swap.h, caseless-str.h, cmd-edit.h, cmd-hist.h, data-conv.h, functor.h, glob-match.h, lo-array-errwarn.h, lo-array-gripes.h, lo-cutils.h, lo-ieee.h, lo-macros.h, lo-math.h, lo-regexp.h, lo-traits.h, lo-utils.h, oct-alloc.h, oct-base64.h, oct-binmap.h, oct-cmplx.h, oct-glob.h, oct-inttypes.h, oct-locbuf.h, oct-mutex.h, oct-refcount.h, oct-rl-edit.h, oct-rl-hist.h, oct-shlib.h, oct-sort.h, oct-sparse.h, pathsearch.h, singleton-cleanup.h, sparse-sort.h, sparse-util.h, statdefs.h, str-vec.h, sun-utils.h, unwind-prot.h, url-transfer.h: Include octave-config.h.

/*

Copyright (C) 1999-2015 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"

class
OCTAVE_API
octave_shlib
{
public: // FIXME: make this class private?

  typedef std::string (*name_mangler) (const std::string&);
  typedef void (*close_hook) (const std::string&);

  class shlib_rep
  {
  public:

    shlib_rep (void)
      : count (1), file (), tm_loaded (time_t ()), fcn_names () { }

  protected:

    shlib_rep (const std::string& f);

  public:

    virtual ~shlib_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 shlib_rep *new_instance (const std::string& f);

    static shlib_rep *get_instance (const std::string& f, bool fake);

    octave_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_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, shlib_rep *> instances;
  };

private:

  static shlib_rep nil_rep;

public:

  octave_shlib (void) : rep (&nil_rep) { rep->count++; }

  octave_shlib (const std::string& f, bool fake = true)
    : rep (shlib_rep::get_instance (f, fake)) { }

  ~octave_shlib (void)
  {
    if (--rep->count == 0)
      delete rep;
  }

  octave_shlib (const octave_shlib& sl)
    : rep (sl.rep)
  {
    rep->count++;
  }

  octave_shlib& operator = (const octave_shlib& sl)
  {
    if (rep != sl.rep)
      {
        if (--rep->count == 0)
          delete rep;

        rep = sl.rep;
        rep->count++;
      }

    return *this;
  }

  bool operator == (const octave_shlib& sl) const
  { return (rep == sl.rep); }

  operator bool () const { return rep->is_open (); }

  void open (const std::string& f)
  { *this = octave_shlib (f); }

  void close (close_hook cl_hook = 0)
  {
    if (cl_hook)
      rep->do_close_hook (cl_hook);

    *this = octave_shlib ();
  }

  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_time time_loaded (void) const
  { return rep->time_loaded (); }

private:

  shlib_rep *rep;
};

#endif