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.

/*

Copyright (C) 1996-2017 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 (octave_ov_colon_h)
#define octave_ov_colon_h 1

#include "octave-config.h"

#include <cstdlib>

#include <iosfwd>
#include <string>

#include "mx-base.h"
#include "str-vec.h"

#include "error.h"
#include "ov-base.h"
#include "ov-typeinfo.h"

class octave_value_list;

// A type to represent ':' as used for indexing.

class
octave_magic_colon : public octave_base_value
{
public:

  octave_magic_colon (void)
    : octave_base_value () { }

  octave_magic_colon (const octave_magic_colon&)
    : octave_base_value () { }

  ~octave_magic_colon (void) = default;

  octave_base_value * clone (void) const
  { return new octave_magic_colon (*this); }
  octave_base_value * empty_clone (void) const
  { return new octave_magic_colon (); }

  idx_vector index_vector (bool /* require_integers */ = false) const { return idx_vector (':'); }

  bool is_defined (void) const { return true; }

  bool is_constant (void) const { return true; }

  bool is_magic_colon (void) const { return true; }

  void print (std::ostream& os, bool pr_as_read_syntax = false);

  void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const;

private:

  DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
};

#endif