Python code coverage for Python/structmember.c

#	count	content
1	n/a
2	n/a	/* Map C struct members to Python object attributes */
3	n/a
4	n/a	#include "Python.h"
5	n/a
6	n/a	#include "structmember.h"
7	n/a
8	n/a	PyObject *
9	n/a	PyMember_GetOne(const char addr, PyMemberDef l)
10	n/a	{
11	n/a	PyObject *v;
12	n/a
13	n/a	addr += l->offset;
14	n/a	switch (l->type) {
15	n/a	case T_BOOL:
16	n/a	v = PyBool_FromLong((char)addr);
17	n/a	break;
18	n/a	case T_BYTE:
19	n/a	v = PyLong_FromLong((char)addr);
20	n/a	break;
21	n/a	case T_UBYTE:
22	n/a	v = PyLong_FromUnsignedLong((unsigned char)addr);
23	n/a	break;
24	n/a	case T_SHORT:
25	n/a	v = PyLong_FromLong((short)addr);
26	n/a	break;
27	n/a	case T_USHORT:
28	n/a	v = PyLong_FromUnsignedLong((unsigned short)addr);
29	n/a	break;
30	n/a	case T_INT:
31	n/a	v = PyLong_FromLong((int)addr);
32	n/a	break;
33	n/a	case T_UINT:
34	n/a	v = PyLong_FromUnsignedLong((unsigned int)addr);
35	n/a	break;
36	n/a	case T_LONG:
37	n/a	v = PyLong_FromLong((long)addr);
38	n/a	break;
39	n/a	case T_ULONG:
40	n/a	v = PyLong_FromUnsignedLong((unsigned long)addr);
41	n/a	break;
42	n/a	case T_PYSSIZET:
43	n/a	v = PyLong_FromSsize_t((Py_ssize_t)addr);
44	n/a	break;
45	n/a	case T_FLOAT:
46	n/a	v = PyFloat_FromDouble((double)(float)addr);
47	n/a	break;
48	n/a	case T_DOUBLE:
49	n/a	v = PyFloat_FromDouble((double)addr);
50	n/a	break;
51	n/a	case T_STRING:
52	n/a	if ((char*)addr == NULL) {
53	n/a	Py_INCREF(Py_None);
54	n/a	v = Py_None;
55	n/a	}
56	n/a	else
57	n/a	v = PyUnicode_FromString((char*)addr);
58	n/a	break;
59	n/a	case T_STRING_INPLACE:
60	n/a	v = PyUnicode_FromString((char*)addr);
61	n/a	break;
62	n/a	case T_CHAR:
63	n/a	v = PyUnicode_FromStringAndSize((char*)addr, 1);
64	n/a	break;
65	n/a	case T_OBJECT:
66	n/a	v = (PyObject *)addr;
67	n/a	if (v == NULL)
68	n/a	v = Py_None;
69	n/a	Py_INCREF(v);
70	n/a	break;
71	n/a	case T_OBJECT_EX:
72	n/a	v = (PyObject *)addr;
73	n/a	if (v == NULL)
74	n/a	PyErr_SetString(PyExc_AttributeError, l->name);
75	n/a	Py_XINCREF(v);
76	n/a	break;
77	n/a	case T_LONGLONG:
78	n/a	v = PyLong_FromLongLong((long long )addr);
79	n/a	break;
80	n/a	case T_ULONGLONG:
81	n/a	v = PyLong_FromUnsignedLongLong((unsigned long long )addr);
82	n/a	break;
83	n/a	case T_NONE:
84	n/a	v = Py_None;
85	n/a	Py_INCREF(v);
86	n/a	break;
87	n/a	default:
88	n/a	PyErr_SetString(PyExc_SystemError, "bad memberdescr type");
89	n/a	v = NULL;
90	n/a	}
91	n/a	return v;
92	n/a	}
93	n/a
94	n/a	#define WARN(msg) \
95	n/a	do { \
96	n/a	if (PyErr_WarnEx(PyExc_RuntimeWarning, msg, 1) < 0) \
97	n/a	return -1; \
98	n/a	} while (0)
99	n/a
100	n/a	int
101	n/a	PyMember_SetOne(char addr, PyMemberDef l, PyObject *v)
102	n/a	{
103	n/a	PyObject *oldv;
104	n/a
105	n/a	addr += l->offset;
106	n/a
107	n/a	if ((l->flags & READONLY))
108	n/a	{
109	n/a	PyErr_SetString(PyExc_AttributeError, "readonly attribute");
110	n/a	return -1;
111	n/a	}
112	n/a	if (v == NULL) {
113	n/a	if (l->type == T_OBJECT_EX) {
114	n/a	/* Check if the attribute is set. */
115	n/a	if ((PyObject *)addr == NULL) {
116	n/a	PyErr_SetString(PyExc_AttributeError, l->name);
117	n/a	return -1;
118	n/a	}
119	n/a	}
120	n/a	else if (l->type != T_OBJECT) {
121	n/a	PyErr_SetString(PyExc_TypeError,
122	n/a	"can't delete numeric/char attribute");
123	n/a	return -1;
124	n/a	}
125	n/a	}
126	n/a	switch (l->type) {
127	n/a	case T_BOOL:{
128	n/a	if (!PyBool_Check(v)) {
129	n/a	PyErr_SetString(PyExc_TypeError,
130	n/a	"attribute value type must be bool");
131	n/a	return -1;
132	n/a	}
133	n/a	if (v == Py_True)
134	n/a	(char)addr = (char) 1;
135	n/a	else
136	n/a	(char)addr = (char) 0;
137	n/a	break;
138	n/a	}
139	n/a	case T_BYTE:{
140	n/a	long long_val = PyLong_AsLong(v);
141	n/a	if ((long_val == -1) && PyErr_Occurred())
142	n/a	return -1;
143	n/a	(char)addr = (char)long_val;
144	n/a	/* XXX: For compatibility, only warn about truncations
145	n/a	for now. */
146	n/a	if ((long_val > CHAR_MAX) \|\| (long_val < CHAR_MIN))
147	n/a	WARN("Truncation of value to char");
148	n/a	break;
149	n/a	}
150	n/a	case T_UBYTE:{
151	n/a	long long_val = PyLong_AsLong(v);
152	n/a	if ((long_val == -1) && PyErr_Occurred())
153	n/a	return -1;
154	n/a	(unsigned char)addr = (unsigned char)long_val;
155	n/a	if ((long_val > UCHAR_MAX) \|\| (long_val < 0))
156	n/a	WARN("Truncation of value to unsigned char");
157	n/a	break;
158	n/a	}
159	n/a	case T_SHORT:{
160	n/a	long long_val = PyLong_AsLong(v);
161	n/a	if ((long_val == -1) && PyErr_Occurred())
162	n/a	return -1;
163	n/a	(short)addr = (short)long_val;
164	n/a	if ((long_val > SHRT_MAX) \|\| (long_val < SHRT_MIN))
165	n/a	WARN("Truncation of value to short");
166	n/a	break;
167	n/a	}
168	n/a	case T_USHORT:{
169	n/a	long long_val = PyLong_AsLong(v);
170	n/a	if ((long_val == -1) && PyErr_Occurred())
171	n/a	return -1;
172	n/a	(unsigned short)addr = (unsigned short)long_val;
173	n/a	if ((long_val > USHRT_MAX) \|\| (long_val < 0))
174	n/a	WARN("Truncation of value to unsigned short");
175	n/a	break;
176	n/a	}
177	n/a	case T_INT:{
178	n/a	long long_val = PyLong_AsLong(v);
179	n/a	if ((long_val == -1) && PyErr_Occurred())
180	n/a	return -1;
181	n/a	(int )addr = (int)long_val;
182	n/a	if ((long_val > INT_MAX) \|\| (long_val < INT_MIN))
183	n/a	WARN("Truncation of value to int");
184	n/a	break;
185	n/a	}
186	n/a	case T_UINT:{
187	n/a	unsigned long ulong_val = PyLong_AsUnsignedLong(v);
188	n/a	if ((ulong_val == (unsigned long)-1) && PyErr_Occurred()) {
189	n/a	/* XXX: For compatibility, accept negative int values
190	n/a	as well. */
191	n/a	PyErr_Clear();
192	n/a	ulong_val = PyLong_AsLong(v);
193	n/a	if ((ulong_val == (unsigned long)-1) &&
194	n/a	PyErr_Occurred())
195	n/a	return -1;
196	n/a	(unsigned int )addr = (unsigned int)ulong_val;
197	n/a	WARN("Writing negative value into unsigned field");
198	n/a	} else
199	n/a	(unsigned int )addr = (unsigned int)ulong_val;
200	n/a	if (ulong_val > UINT_MAX)
201	n/a	WARN("Truncation of value to unsigned int");
202	n/a	break;
203	n/a	}
204	n/a	case T_LONG:{
205	n/a	(long)addr = PyLong_AsLong(v);
206	n/a	if (((long)addr == -1) && PyErr_Occurred())
207	n/a	return -1;
208	n/a	break;
209	n/a	}
210	n/a	case T_ULONG:{
211	n/a	(unsigned long)addr = PyLong_AsUnsignedLong(v);
212	n/a	if (((unsigned long)addr == (unsigned long)-1)
213	n/a	&& PyErr_Occurred()) {
214	n/a	/* XXX: For compatibility, accept negative int values
215	n/a	as well. */
216	n/a	PyErr_Clear();
217	n/a	(unsigned long)addr = PyLong_AsLong(v);
218	n/a	if (((unsigned long)addr == (unsigned long)-1)
219	n/a	&& PyErr_Occurred())
220	n/a	return -1;
221	n/a	WARN("Writing negative value into unsigned field");
222	n/a	}
223	n/a	break;
224	n/a	}
225	n/a	case T_PYSSIZET:{
226	n/a	(Py_ssize_t)addr = PyLong_AsSsize_t(v);
227	n/a	if (((Py_ssize_t)addr == (Py_ssize_t)-1)
228	n/a	&& PyErr_Occurred())
229	n/a	return -1;
230	n/a	break;
231	n/a	}
232	n/a	case T_FLOAT:{
233	n/a	double double_val = PyFloat_AsDouble(v);
234	n/a	if ((double_val == -1) && PyErr_Occurred())
235	n/a	return -1;
236	n/a	(float)addr = (float)double_val;
237	n/a	break;
238	n/a	}
239	n/a	case T_DOUBLE:
240	n/a	(double)addr = PyFloat_AsDouble(v);
241	n/a	if (((double)addr == -1) && PyErr_Occurred())
242	n/a	return -1;
243	n/a	break;
244	n/a	case T_OBJECT:
245	n/a	case T_OBJECT_EX:
246	n/a	Py_XINCREF(v);
247	n/a	oldv = (PyObject *)addr;
248	n/a	(PyObject *)addr = v;
249	n/a	Py_XDECREF(oldv);
250	n/a	break;
251	n/a	case T_CHAR: {
252	n/a	const char *string;
253	n/a	Py_ssize_t len;
254	n/a
255	n/a	string = PyUnicode_AsUTF8AndSize(v, &len);
256	n/a	if (string == NULL \|\| len != 1) {
257	n/a	PyErr_BadArgument();
258	n/a	return -1;
259	n/a	}
260	n/a	(char)addr = string[0];
261	n/a	break;
262	n/a	}
263	n/a	case T_STRING:
264	n/a	case T_STRING_INPLACE:
265	n/a	PyErr_SetString(PyExc_TypeError, "readonly attribute");
266	n/a	return -1;
267	n/a	case T_LONGLONG:{
268	n/a	long long value;
269	n/a	(long long)addr = value = PyLong_AsLongLong(v);
270	n/a	if ((value == -1) && PyErr_Occurred())
271	n/a	return -1;
272	n/a	break;
273	n/a	}
274	n/a	case T_ULONGLONG:{
275	n/a	unsigned long long value;
276	n/a	/* ??? PyLong_AsLongLong accepts an int, but PyLong_AsUnsignedLongLong
277	n/a	doesn't ??? */
278	n/a	if (PyLong_Check(v))
279	n/a	(unsigned long long)addr = value = PyLong_AsUnsignedLongLong(v);
280	n/a	else
281	n/a	(unsigned long long)addr = value = PyLong_AsLong(v);
282	n/a	if ((value == (unsigned long long)-1) && PyErr_Occurred())
283	n/a	return -1;
284	n/a	break;
285	n/a	}
286	n/a	default:
287	n/a	PyErr_Format(PyExc_SystemError,
288	n/a	"bad memberdescr type for %s", l->name);
289	n/a	return -1;
290	n/a	}
291	n/a	return 0;
292	n/a	}