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/* Gdb/Python header for private use by Python module.
 
   Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
 
   This file is part of GDB.
 
   This program 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.
 
   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
#ifndef GDB_PYTHON_INTERNAL_H
#define GDB_PYTHON_INTERNAL_H
 
/* Python 2.4 doesn't include stdint.h soon enough to get {u,}intptr_t
   needed by pyport.h.  */
#include <stdint.h>
 
/* /usr/include/features.h on linux systems will define _POSIX_C_SOURCE
   if it sees _GNU_SOURCE (which config.h will define).
   pyconfig.h defines _POSIX_C_SOURCE to a different value than
   /usr/include/features.h does causing compilation to fail.
   To work around this, undef _POSIX_C_SOURCE before we include Python.h.  */
#undef _POSIX_C_SOURCE
 
#if HAVE_LIBPYTHON2_4
#include "python2.4/Python.h"
#include "python2.4/frameobject.h"
/* Py_ssize_t is not defined until 2.5.
   Logical type for Py_ssize_t is Py_intptr_t, but that fails in 64-bit
   compilation due to several apparent mistakes in python2.4 API, so we
   use 'int' instead.  */
typedef int Py_ssize_t;
#elif HAVE_LIBPYTHON2_5
#include "python2.5/Python.h"
#include "python2.5/frameobject.h"
#elif HAVE_LIBPYTHON2_6
#include "python2.6/Python.h"
#include "python2.6/frameobject.h"
#else
#error "Unable to find usable Python.h"
#endif
 
/* If Python.h does not define WITH_THREAD, then the various
   GIL-related functions will not be defined.  However,
   PyGILState_STATE will be.  */
#ifndef WITH_THREAD
#define PyGILState_Ensure() ((PyGILState_STATE) 0)
#define PyGILState_Release(ARG) ((void)(ARG))
#define PyEval_InitThreads() 0
#define PyThreadState_Swap(ARG) ((void)(ARG))
#define PyEval_InitThreads() 0
#define PyEval_ReleaseLock() 0
#endif
 
struct value;
struct language_defn;
 
extern PyObject *gdb_module;
extern PyTypeObject value_object_type;
 
PyObject *gdbpy_history (PyObject *self, PyObject *args);
PyObject *gdbpy_frame_stop_reason_string (PyObject *, PyObject *);
PyObject *gdbpy_selected_frame (PyObject *self, PyObject *args);
PyObject *gdbpy_lookup_type (PyObject *self, PyObject *args, PyObject *kw);
PyObject *gdbpy_create_lazy_string_object (CORE_ADDR address, long length,
					   const char *encoding, struct type *type);
 
PyObject *value_to_value_object (struct value *v);
PyObject *type_to_type_object (struct type *);
PyObject *objfile_to_objfile_object (struct objfile *);
 
PyObject *objfpy_get_printers (PyObject *, void *);
 
struct value *value_object_to_value (PyObject *self);
struct value *convert_value_from_python (PyObject *obj);
struct type *type_object_to_type (PyObject *obj);
 
void gdbpy_initialize_values (void);
void gdbpy_initialize_frames (void);
void gdbpy_initialize_commands (void);
void gdbpy_initialize_types (void);
void gdbpy_initialize_functions (void);
void gdbpy_initialize_objfile (void);
void gdbpy_initialize_lazy_string (void);
 
struct cleanup *make_cleanup_py_decref (PyObject *py);
 
struct cleanup *ensure_python_env (struct gdbarch *gdbarch,
				   const struct language_defn *language);
 
extern struct gdbarch *python_gdbarch;
extern const struct language_defn *python_language;
 
/* Use this after a TRY_EXCEPT to throw the appropriate Python
   exception.  */
#define GDB_PY_HANDLE_EXCEPTION(Exception)				\
    do {								\
      if (Exception.reason < 0)						\
	return PyErr_Format (Exception.reason == RETURN_QUIT		\
			     ? PyExc_KeyboardInterrupt : PyExc_RuntimeError, \
			     "%s", Exception.message);			\
    } while (0)
 
 
void gdbpy_print_stack (void);
 
PyObject *python_string_to_unicode (PyObject *obj);
char *unicode_to_target_string (PyObject *unicode_str);
char *python_string_to_target_string (PyObject *obj);
PyObject *python_string_to_target_python_string (PyObject *obj);
char *python_string_to_host_string (PyObject *obj);
PyObject *target_string_to_unicode (const gdb_byte *str, int length);
int gdbpy_is_string (PyObject *obj);
int gdbpy_is_lazy_string (PyObject *result);
gdb_byte *gdbpy_extract_lazy_string (PyObject *string,
				     struct type **str_type, 
				     long *length, char **encoding);
 
/* Note that these are declared here, and not in python.h with the
   other pretty-printer functions, because they refer to PyObject.  */
PyObject *apply_varobj_pretty_printer (PyObject *print_obj,
				       struct value **replacement);
PyObject *gdbpy_get_varobj_pretty_printer (struct value *value);
char *gdbpy_get_display_hint (PyObject *printer);
PyObject *gdbpy_default_visualizer (PyObject *self, PyObject *args);
 
extern PyObject *gdbpy_doc_cst;
extern PyObject *gdbpy_children_cst;
extern PyObject *gdbpy_to_string_cst;
extern PyObject *gdbpy_display_hint_cst;
 
#endif /* GDB_PYTHON_INTERNAL_H */