/usr/include/octave-3.8.2/octave/pt-fcn-handle.h is in liboctave-dev 3.8.2-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (C) 2003-2013 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_pt_fcn_handle_h)
#define octave_fcn_handle_h 1
#include <iosfwd>
#include <string>
#include "pt-bp.h"
#include "pt-exp.h"
#include "pt-misc.h"
#include "pt-stmt.h"
#include "symtab.h"
class octave_value_list;
class tree_walker;
#include "ov.h"
#include "ov-usr-fcn.h"
#include "symtab.h"
class
tree_fcn_handle : public tree_expression
{
public:
tree_fcn_handle (int l = -1, int c = -1)
: tree_expression (l, c), nm () { }
tree_fcn_handle (const std::string& n, int l = -1, int c = -1)
: tree_expression (l, c), nm (n) { }
~tree_fcn_handle (void) { }
bool has_magic_end (void) const { return false; }
void print (std::ostream& os, bool pr_as_read_syntax = false,
bool pr_orig_txt = true);
void print_raw (std::ostream& os, bool pr_as_read_syntax = false,
bool pr_orig_txt = true);
std::string name (void) const { return nm; }
bool rvalue_ok (void) const { return true; }
octave_value rvalue1 (int nargout = 1);
octave_value_list rvalue (int nargout);
tree_expression *dup (symbol_table::scope_id scope,
symbol_table::context_id context) const;
void accept (tree_walker& tw);
private:
// The name of this function handle.
std::string nm;
// No copying!
tree_fcn_handle (const tree_fcn_handle&);
tree_fcn_handle& operator = (const tree_fcn_handle&);
};
class
tree_anon_fcn_handle : public tree_expression
{
public:
tree_anon_fcn_handle (int l = -1, int c = -1)
: tree_expression (l, c), fcn (0), file_name () { }
tree_anon_fcn_handle (tree_parameter_list *pl, tree_parameter_list *rl,
tree_statement_list *cl, symbol_table::scope_id sid,
int l = -1, int c = -1)
: tree_expression (l, c),
fcn (new octave_user_function (sid, pl, rl, cl)),
file_name () { }
~tree_anon_fcn_handle (void) { delete fcn; }
bool has_magic_end (void) const { return false; }
bool rvalue_ok (void) const { return true; }
octave_value rvalue1 (int nargout = 1);
octave_value_list rvalue (int nargout);
tree_parameter_list *parameter_list (void) const
{
return fcn ? fcn->parameter_list () : 0;
}
tree_parameter_list *return_list (void) const
{
return fcn ? fcn->return_list () : 0;
}
tree_statement_list *body (void) const
{
return fcn ? fcn->body () : 0;
}
symbol_table::scope_id scope (void) const
{
return fcn ? fcn->scope () : -1;
}
tree_expression *dup (symbol_table::scope_id scope,
symbol_table::context_id context) const;
void accept (tree_walker& tw);
void stash_file_name (const std::string& file) { file_name = file; }
private:
// The function.
octave_user_function *fcn;
// Filename where the handle was defined.
std::string file_name;
// No copying!
tree_anon_fcn_handle (const tree_anon_fcn_handle&);
tree_anon_fcn_handle& operator = (const tree_anon_fcn_handle&);
};
#endif
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