1 /* General utility routines for GDB/Python.
3 Copyright (C) 2008, 2009 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 #include "python-internal.h"
25 /* This is a cleanup function which decrements the refcount on a
32 /* Note that we need the extra braces in this 'if' to avoid a
40 /* Return a new cleanup which will decrement the Python object's
44 make_cleanup_py_decref (PyObject
*py
)
46 return make_cleanup (py_decref
, (void *) py
);
49 /* Converts a Python 8-bit string to a unicode string object. Assumes the
50 8-bit string is in the host charset. If an error occurs during conversion,
51 returns NULL with a python exception set.
53 As an added bonus, the functions accepts a unicode string and returns it
54 right away, so callers don't need to check which kind of string they've
57 If the given object is not one of the mentioned string types, NULL is
58 returned, with the TypeError python exception set. */
60 python_string_to_unicode (PyObject
*obj
)
62 PyObject
*unicode_str
;
64 /* If obj is already a unicode string, just return it.
65 I wish life was always that simple... */
66 if (PyUnicode_Check (obj
))
72 else if (PyString_Check (obj
))
73 unicode_str
= PyUnicode_FromEncodedObject (obj
, host_charset (), NULL
);
76 PyErr_SetString (PyExc_TypeError
,
77 _("Expected a string or unicode object."));
84 /* Returns a newly allocated string with the contents of the given unicode
85 string object converted to CHARSET. If an error occurs during the
86 conversion, NULL will be returned and a python exception will be set.
88 The caller is responsible for xfree'ing the string. */
90 unicode_to_encoded_string (PyObject
*unicode_str
, const char *charset
)
95 /* Translate string to named charset. */
96 string
= PyUnicode_AsEncodedString (unicode_str
, charset
, NULL
);
100 result
= xstrdup (PyString_AsString (string
));
107 /* Returns a PyObject with the contents of the given unicode string
108 object converted to a named charset. If an error occurs during
109 the conversion, NULL will be returned and a python exception will
112 unicode_to_encoded_python_string (PyObject
*unicode_str
, const char *charset
)
116 /* Translate string to named charset. */
117 string
= PyUnicode_AsEncodedString (unicode_str
, charset
, NULL
);
124 /* Returns a newly allocated string with the contents of the given unicode
125 string object converted to the target's charset. If an error occurs during
126 the conversion, NULL will be returned and a python exception will be set.
128 The caller is responsible for xfree'ing the string. */
130 unicode_to_target_string (PyObject
*unicode_str
)
132 return unicode_to_encoded_string (unicode_str
, target_charset ());
135 /* Returns a PyObject with the contents of the given unicode string
136 object converted to the target's charset. If an error occurs
137 during the conversion, NULL will be returned and a python exception
140 unicode_to_target_python_string (PyObject
*unicode_str
)
142 return unicode_to_encoded_python_string (unicode_str
, target_charset ());
145 /* Converts a python string (8-bit or unicode) to a target string in
146 the target's charset. Returns NULL on error, with a python exception set.
148 The caller is responsible for xfree'ing the string. */
150 python_string_to_target_string (PyObject
*obj
)
155 str
= python_string_to_unicode (obj
);
159 result
= unicode_to_target_string (str
);
164 /* Converts a python string (8-bit or unicode) to a target string in the
165 target's charset. Returns NULL on error, with a python exception
168 python_string_to_target_python_string (PyObject
*obj
)
173 str
= python_string_to_unicode (obj
);
177 result
= unicode_to_target_python_string (str
);
182 /* Converts a python string (8-bit or unicode) to a target string in
183 the host's charset. Returns NULL on error, with a python exception set.
185 The caller is responsible for xfree'ing the string. */
187 python_string_to_host_string (PyObject
*obj
)
192 str
= python_string_to_unicode (obj
);
196 result
= unicode_to_encoded_string (str
, host_charset ());
201 /* Converts a target string of LENGTH bytes in the target's charset to a
202 Python Unicode string. If LENGTH is -1, convert until a null byte is found.
204 Returns NULL on error, with a python exception set. */
206 target_string_to_unicode (const gdb_byte
*str
, int length
)
209 length
= strlen (str
);
211 return PyUnicode_Decode (str
, length
, target_charset (), NULL
);
214 /* Return true if OBJ is a Python string or unicode object, false
218 gdbpy_is_string (PyObject
*obj
)
220 return PyString_Check (obj
) || PyUnicode_Check (obj
);
This page took 0.037817 seconds and 4 git commands to generate.