/usr/include/octave-4.2.2/octave/interpreter.h is in liboctave-dev 4.2.2-1ubuntu1.
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) 2002-2017 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_interpreter_h)
#define octave_interpreter_h 1
#include "octave-config.h"
#include <string>
#include "quit.h"
#include "str-vec.h"
#include "pt-eval.h"
typedef void (*octave_exit_func) (int);
extern OCTINTERP_API octave_exit_func octave_exit;
extern OCTINTERP_API bool quit_allowed;
extern OCTINTERP_API bool quitting_gracefully;
extern OCTINTERP_API void recover_from_exception (void);
extern OCTINTERP_API void
octave_add_atexit_function (const std::string& fname);
extern OCTINTERP_API bool
octave_remove_atexit_function (const std::string& fname);
// TRUE means we are ready to interpret commands, but not everything
// is ready for interactive use.
extern OCTINTERP_API bool octave_interpreter_ready;
// TRUE means we've processed all the init code and we are good to go.
extern OCTINTERP_API bool octave_initialized;
// Call a function with exceptions handled to avoid problems with
// errors while shutting down.
#define OCTAVE_IGNORE_EXCEPTION(E) \
catch (E) \
{ \
std::cerr << "error: ignoring " #E " while preparing to exit" << std::endl; \
recover_from_exception (); \
}
#define OCTAVE_SAFE_CALL(F, ARGS) \
do \
{ \
try \
{ \
octave::unwind_protect frame; \
\
frame.protect_var (Vdebug_on_error); \
frame.protect_var (Vdebug_on_warning); \
\
Vdebug_on_error = false; \
Vdebug_on_warning = false; \
\
F ARGS; \
} \
OCTAVE_IGNORE_EXCEPTION (const octave::interrupt_exception&) \
OCTAVE_IGNORE_EXCEPTION (const octave::execution_exception&) \
OCTAVE_IGNORE_EXCEPTION (const std::bad_alloc&) \
} \
while (0)
namespace octave
{
extern tree_evaluator *current_evaluator;
// The application object contains a pointer to the current
// interpreter and the interpreter contains a pointer back to the
// application context so we need a forward declaration for one (or
// both) of them...
class application;
class OCTINTERP_API interpreter
{
public:
interpreter (application *app_context = 0, bool embedded = false);
~interpreter (void);
int execute (void);
int execute_eval_option_code (const std::string& code);
void execute_command_line_file (const std::string& fname);
bool interactive (void) const { return m_interactive; }
void interactive (bool arg) { m_interactive = arg; }
private:
// No copying, at least not yet...
interpreter (const interpreter&);
interpreter& operator = (const interpreter&);
int main_loop (void);
void clean_up_and_exit (int status, bool safe_to_return = false);
application *m_app_context;
tree_evaluator *m_evaluator;
bool m_embedded;
// TRUE means this is an interactive interpreter (forced or not).
bool m_interactive;
bool m_quitting_gracefully;
};
}
#endif
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