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defun-int.h
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C/C++ Source or Header
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1999-05-30
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4KB
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137 lines
/*
Copyright (C) 1996, 1997 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 2, 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, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* Modified by Klaus Gebhardt, 1999 */
#if !defined (octave_defun_int_h)
#define octave_defun_int_h 1
#include <string>
#include "ov-builtin.h"
#include "ov-mapper.h"
#include "symtab.h"
#include "version.h"
class octave_value;
extern void print_usage (const string& nm, bool just_usage = false);
extern void check_version (const string& version, const string& fcn);
extern void
install_builtin_mapper (octave_mapper *mf);
extern void
install_builtin_function (octave_builtin::fcn f, const string& name,
const string& doc, bool is_text_fcn = false);
extern void
install_builtin_variable (const string& n, const octave_value& v,
bool iaf, bool p, bool e,
symbol_record::change_function chg_fcn,
const string& h);
extern void
alias_builtin (const string& alias, const string& name);
// MAKE_BUILTINS is defined to extract function names and related
// information and create the *.def files that are eventually used to
// create the buitlins.cc file.
#ifdef MAKE_BUILTINS
// Generate code to install name in the symbol table. The script
// mkdefs will create a .def file for every .cc file that uses DEFUN,
// DEFUN_TEXT, or DEFUN_DLD.
#define DEFUN_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \
BEGIN_INSTALL_BUILTIN \
extern DECLARE_FUN (name, args_name, nargout_name); \
install_builtin_function (F ## name, #name, doc, is_text_fcn); \
END_INSTALL_BUILTIN
// Generate code for making another name for an existing function.
#define DEFALIAS_INTERNAL(alias, name) \
BEGIN_INSTALL_BUILTIN \
alias_builtin (#alias, #name); \
END_INSTALL_BUILTIN
#else /* ! MAKE_BUILTINS */
// Generate the first line of the function definition. This ensures
// that the internal functions all have the same signature.
#define DEFUN_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \
DECLARE_FUN (name, args_name, nargout_name)
// No definition is required for an alias.
#define DEFALIAS_INTERNAL(name, alias)
#endif /* ! MAKE_BUILTINS */
// Define the code that will be used to insert the new function into
// the symbol table.
#define DEFINE_FUN_INSTALLER_FUN(name, doc) \
bool \
FS ## name (void) \
{ \
static bool installed = false; \
if (! installed) \
{ \
check_version (OCTAVE_VERSION, #name); \
install_builtin_function (F ## name, #name, doc); \
installed = true; \
} \
return installed; \
}
#define DECLARE_FUN(name, args_name, nargout_name) \
octave_value_list \
F ## name (const octave_value_list& args_name, int nargout_name)
// How builtin variables are actually installed.
#define DEFVAR_INTERNAL(name, sname, defn, inst_as_fcn, protect, \
chg_fcn, doc) \
install_builtin_variable (name, octave_value (defn), inst_as_fcn, \
protect, (chg_fcn != 0), chg_fcn, doc)
// How mapper functions are actually installed.
#define DEFUN_MAPPER_INTERNAL(name, ch_map, d_d_map, d_c_map, c_c_map, \
lo, hi, can_ret_cmplx_for_real, doc) \
install_builtin_mapper \
(new octave_mapper (ch_map, d_d_map, d_c_map, c_c_map, lo, hi, \
can_ret_cmplx_for_real, #name, #doc))
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/