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@@ -1,2956 +1,2960 b'' | |||||
1 | /* |
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1 | /* | |
2 | parsers.c - efficient content parsing |
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2 | parsers.c - efficient content parsing | |
3 |
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3 | |||
4 | Copyright 2008 Matt Mackall <mpm@selenic.com> and others |
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4 | Copyright 2008 Matt Mackall <mpm@selenic.com> and others | |
5 |
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5 | |||
6 | This software may be used and distributed according to the terms of |
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6 | This software may be used and distributed according to the terms of | |
7 | the GNU General Public License, incorporated herein by reference. |
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7 | the GNU General Public License, incorporated herein by reference. | |
8 | */ |
|
8 | */ | |
9 |
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9 | |||
10 | #define PY_SSIZE_T_CLEAN |
|
10 | #define PY_SSIZE_T_CLEAN | |
11 | #include <Python.h> |
|
11 | #include <Python.h> | |
12 | #include <assert.h> |
|
12 | #include <assert.h> | |
13 | #include <ctype.h> |
|
13 | #include <ctype.h> | |
14 | #include <limits.h> |
|
14 | #include <limits.h> | |
15 | #include <stddef.h> |
|
15 | #include <stddef.h> | |
16 | #include <stdlib.h> |
|
16 | #include <stdlib.h> | |
17 | #include <string.h> |
|
17 | #include <string.h> | |
18 |
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18 | |||
19 | #include "bitmanipulation.h" |
|
19 | #include "bitmanipulation.h" | |
20 | #include "charencode.h" |
|
20 | #include "charencode.h" | |
21 | #include "revlog.h" |
|
21 | #include "revlog.h" | |
22 | #include "util.h" |
|
22 | #include "util.h" | |
23 |
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23 | |||
24 | #ifdef IS_PY3K |
|
24 | #ifdef IS_PY3K | |
25 | /* The mapping of Python types is meant to be temporary to get Python |
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25 | /* The mapping of Python types is meant to be temporary to get Python | |
26 | * 3 to compile. We should remove this once Python 3 support is fully |
|
26 | * 3 to compile. We should remove this once Python 3 support is fully | |
27 | * supported and proper types are used in the extensions themselves. */ |
|
27 | * supported and proper types are used in the extensions themselves. */ | |
28 | #define PyInt_Check PyLong_Check |
|
28 | #define PyInt_Check PyLong_Check | |
29 | #define PyInt_FromLong PyLong_FromLong |
|
29 | #define PyInt_FromLong PyLong_FromLong | |
30 | #define PyInt_FromSsize_t PyLong_FromSsize_t |
|
30 | #define PyInt_FromSsize_t PyLong_FromSsize_t | |
31 | #define PyInt_AsLong PyLong_AsLong |
|
31 | #define PyInt_AsLong PyLong_AsLong | |
32 | #endif |
|
32 | #endif | |
33 |
|
33 | |||
34 | typedef struct indexObjectStruct indexObject; |
|
34 | typedef struct indexObjectStruct indexObject; | |
35 |
|
35 | |||
36 | typedef struct { |
|
36 | typedef struct { | |
37 | int children[16]; |
|
37 | int children[16]; | |
38 | } nodetreenode; |
|
38 | } nodetreenode; | |
39 |
|
39 | |||
40 | typedef struct { |
|
40 | typedef struct { | |
41 | int abi_version; |
|
41 | int abi_version; | |
42 | Py_ssize_t (*index_length)(const indexObject *); |
|
42 | Py_ssize_t (*index_length)(const indexObject *); | |
43 | const char *(*index_node)(indexObject *, Py_ssize_t); |
|
43 | const char *(*index_node)(indexObject *, Py_ssize_t); | |
44 | int (*index_parents)(PyObject *, int, int *); |
|
44 | int (*index_parents)(PyObject *, int, int *); | |
45 | } Revlog_CAPI; |
|
45 | } Revlog_CAPI; | |
46 |
|
46 | |||
47 | /* |
|
47 | /* | |
48 | * A base-16 trie for fast node->rev mapping. |
|
48 | * A base-16 trie for fast node->rev mapping. | |
49 | * |
|
49 | * | |
50 | * Positive value is index of the next node in the trie |
|
50 | * Positive value is index of the next node in the trie | |
51 | * Negative value is a leaf: -(rev + 2) |
|
51 | * Negative value is a leaf: -(rev + 2) | |
52 | * Zero is empty |
|
52 | * Zero is empty | |
53 | */ |
|
53 | */ | |
54 | typedef struct { |
|
54 | typedef struct { | |
55 | indexObject *index; |
|
55 | indexObject *index; | |
56 | nodetreenode *nodes; |
|
56 | nodetreenode *nodes; | |
57 | unsigned length; /* # nodes in use */ |
|
57 | unsigned length; /* # nodes in use */ | |
58 | unsigned capacity; /* # nodes allocated */ |
|
58 | unsigned capacity; /* # nodes allocated */ | |
59 | int depth; /* maximum depth of tree */ |
|
59 | int depth; /* maximum depth of tree */ | |
60 | int splits; /* # splits performed */ |
|
60 | int splits; /* # splits performed */ | |
61 | } nodetree; |
|
61 | } nodetree; | |
62 |
|
62 | |||
63 | typedef struct { |
|
63 | typedef struct { | |
64 | PyObject_HEAD /* ; */ |
|
64 | PyObject_HEAD /* ; */ | |
65 | nodetree nt; |
|
65 | nodetree nt; | |
66 | } nodetreeObject; |
|
66 | } nodetreeObject; | |
67 |
|
67 | |||
68 | /* |
|
68 | /* | |
69 | * This class has two behaviors. |
|
69 | * This class has two behaviors. | |
70 | * |
|
70 | * | |
71 | * When used in a list-like way (with integer keys), we decode an |
|
71 | * When used in a list-like way (with integer keys), we decode an | |
72 | * entry in a RevlogNG index file on demand. We have limited support for |
|
72 | * entry in a RevlogNG index file on demand. We have limited support for | |
73 | * integer-keyed insert and delete, only at elements right before the |
|
73 | * integer-keyed insert and delete, only at elements right before the | |
74 | * end. |
|
74 | * end. | |
75 | * |
|
75 | * | |
76 | * With string keys, we lazily perform a reverse mapping from node to |
|
76 | * With string keys, we lazily perform a reverse mapping from node to | |
77 | * rev, using a base-16 trie. |
|
77 | * rev, using a base-16 trie. | |
78 | */ |
|
78 | */ | |
79 | struct indexObjectStruct { |
|
79 | struct indexObjectStruct { | |
80 | PyObject_HEAD |
|
80 | PyObject_HEAD | |
81 | /* Type-specific fields go here. */ |
|
81 | /* Type-specific fields go here. */ | |
82 | PyObject *data; /* raw bytes of index */ |
|
82 | PyObject *data; /* raw bytes of index */ | |
83 | Py_buffer buf; /* buffer of data */ |
|
83 | Py_buffer buf; /* buffer of data */ | |
84 | PyObject **cache; /* cached tuples */ |
|
84 | PyObject **cache; /* cached tuples */ | |
85 | const char **offsets; /* populated on demand */ |
|
85 | const char **offsets; /* populated on demand */ | |
86 | Py_ssize_t raw_length; /* original number of elements */ |
|
86 | Py_ssize_t raw_length; /* original number of elements */ | |
87 | Py_ssize_t length; /* current number of elements */ |
|
87 | Py_ssize_t length; /* current number of elements */ | |
88 | PyObject *added; /* populated on demand */ |
|
88 | PyObject *added; /* populated on demand */ | |
89 | PyObject *headrevs; /* cache, invalidated on changes */ |
|
89 | PyObject *headrevs; /* cache, invalidated on changes */ | |
90 | PyObject *filteredrevs; /* filtered revs set */ |
|
90 | PyObject *filteredrevs; /* filtered revs set */ | |
91 | nodetree nt; /* base-16 trie */ |
|
91 | nodetree nt; /* base-16 trie */ | |
92 | int ntinitialized; /* 0 or 1 */ |
|
92 | int ntinitialized; /* 0 or 1 */ | |
93 | int ntrev; /* last rev scanned */ |
|
93 | int ntrev; /* last rev scanned */ | |
94 | int ntlookups; /* # lookups */ |
|
94 | int ntlookups; /* # lookups */ | |
95 | int ntmisses; /* # lookups that miss the cache */ |
|
95 | int ntmisses; /* # lookups that miss the cache */ | |
96 | int inlined; |
|
96 | int inlined; | |
97 | }; |
|
97 | }; | |
98 |
|
98 | |||
99 | static Py_ssize_t index_length(const indexObject *self) |
|
99 | static Py_ssize_t index_length(const indexObject *self) | |
100 | { |
|
100 | { | |
101 | if (self->added == NULL) |
|
101 | if (self->added == NULL) | |
102 | return self->length; |
|
102 | return self->length; | |
103 | return self->length + PyList_GET_SIZE(self->added); |
|
103 | return self->length + PyList_GET_SIZE(self->added); | |
104 | } |
|
104 | } | |
105 |
|
105 | |||
106 | static PyObject *nullentry = NULL; |
|
106 | static PyObject *nullentry = NULL; | |
107 | static const char nullid[20] = {0}; |
|
107 | static const char nullid[20] = {0}; | |
108 | static const Py_ssize_t nullrev = -1; |
|
108 | static const Py_ssize_t nullrev = -1; | |
109 |
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109 | |||
110 | static Py_ssize_t inline_scan(indexObject *self, const char **offsets); |
|
110 | static Py_ssize_t inline_scan(indexObject *self, const char **offsets); | |
111 |
|
111 | |||
112 | static int index_find_node(indexObject *self, const char *node, |
|
112 | static int index_find_node(indexObject *self, const char *node, | |
113 | Py_ssize_t nodelen); |
|
113 | Py_ssize_t nodelen); | |
114 |
|
114 | |||
115 | #if LONG_MAX == 0x7fffffffL |
|
115 | #if LONG_MAX == 0x7fffffffL | |
116 | static const char *const tuple_format = PY23("Kiiiiiis#", "Kiiiiiiy#"); |
|
116 | static const char *const tuple_format = PY23("Kiiiiiis#", "Kiiiiiiy#"); | |
117 | #else |
|
117 | #else | |
118 | static const char *const tuple_format = PY23("kiiiiiis#", "kiiiiiiy#"); |
|
118 | static const char *const tuple_format = PY23("kiiiiiis#", "kiiiiiiy#"); | |
119 | #endif |
|
119 | #endif | |
120 |
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120 | |||
121 | /* A RevlogNG v1 index entry is 64 bytes long. */ |
|
121 | /* A RevlogNG v1 index entry is 64 bytes long. */ | |
122 | static const long v1_hdrsize = 64; |
|
122 | static const long v1_hdrsize = 64; | |
123 |
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123 | |||
124 | static void raise_revlog_error(void) |
|
124 | static void raise_revlog_error(void) | |
125 | { |
|
125 | { | |
126 | PyObject *mod = NULL, *dict = NULL, *errclass = NULL; |
|
126 | PyObject *mod = NULL, *dict = NULL, *errclass = NULL; | |
127 |
|
127 | |||
128 | mod = PyImport_ImportModule("mercurial.error"); |
|
128 | mod = PyImport_ImportModule("mercurial.error"); | |
129 | if (mod == NULL) { |
|
129 | if (mod == NULL) { | |
130 | goto cleanup; |
|
130 | goto cleanup; | |
131 | } |
|
131 | } | |
132 |
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132 | |||
133 | dict = PyModule_GetDict(mod); |
|
133 | dict = PyModule_GetDict(mod); | |
134 | if (dict == NULL) { |
|
134 | if (dict == NULL) { | |
135 | goto cleanup; |
|
135 | goto cleanup; | |
136 | } |
|
136 | } | |
137 | Py_INCREF(dict); |
|
137 | Py_INCREF(dict); | |
138 |
|
138 | |||
139 | errclass = PyDict_GetItemString(dict, "RevlogError"); |
|
139 | errclass = PyDict_GetItemString(dict, "RevlogError"); | |
140 | if (errclass == NULL) { |
|
140 | if (errclass == NULL) { | |
141 | PyErr_SetString(PyExc_SystemError, |
|
141 | PyErr_SetString(PyExc_SystemError, | |
142 | "could not find RevlogError"); |
|
142 | "could not find RevlogError"); | |
143 | goto cleanup; |
|
143 | goto cleanup; | |
144 | } |
|
144 | } | |
145 |
|
145 | |||
146 | /* value of exception is ignored by callers */ |
|
146 | /* value of exception is ignored by callers */ | |
147 | PyErr_SetString(errclass, "RevlogError"); |
|
147 | PyErr_SetString(errclass, "RevlogError"); | |
148 |
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148 | |||
149 | cleanup: |
|
149 | cleanup: | |
150 | Py_XDECREF(dict); |
|
150 | Py_XDECREF(dict); | |
151 | Py_XDECREF(mod); |
|
151 | Py_XDECREF(mod); | |
152 | } |
|
152 | } | |
153 |
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153 | |||
154 | /* |
|
154 | /* | |
155 | * Return a pointer to the beginning of a RevlogNG record. |
|
155 | * Return a pointer to the beginning of a RevlogNG record. | |
156 | */ |
|
156 | */ | |
157 | static const char *index_deref(indexObject *self, Py_ssize_t pos) |
|
157 | static const char *index_deref(indexObject *self, Py_ssize_t pos) | |
158 | { |
|
158 | { | |
159 | if (self->inlined && pos > 0) { |
|
159 | if (self->inlined && pos > 0) { | |
160 | if (self->offsets == NULL) { |
|
160 | if (self->offsets == NULL) { | |
161 | Py_ssize_t ret; |
|
161 | Py_ssize_t ret; | |
162 | self->offsets = PyMem_Malloc(self->raw_length * |
|
162 | self->offsets = PyMem_Malloc(self->raw_length * | |
163 | sizeof(*self->offsets)); |
|
163 | sizeof(*self->offsets)); | |
164 | if (self->offsets == NULL) |
|
164 | if (self->offsets == NULL) | |
165 | return (const char *)PyErr_NoMemory(); |
|
165 | return (const char *)PyErr_NoMemory(); | |
166 | ret = inline_scan(self, self->offsets); |
|
166 | ret = inline_scan(self, self->offsets); | |
167 | if (ret == -1) { |
|
167 | if (ret == -1) { | |
168 | return NULL; |
|
168 | return NULL; | |
169 | }; |
|
169 | }; | |
170 | } |
|
170 | } | |
171 | return self->offsets[pos]; |
|
171 | return self->offsets[pos]; | |
172 | } |
|
172 | } | |
173 |
|
173 | |||
174 | return (const char *)(self->buf.buf) + pos * v1_hdrsize; |
|
174 | return (const char *)(self->buf.buf) + pos * v1_hdrsize; | |
175 | } |
|
175 | } | |
176 |
|
176 | |||
177 | /* |
|
177 | /* | |
178 | * Get parents of the given rev. |
|
178 | * Get parents of the given rev. | |
179 | * |
|
179 | * | |
180 | * The specified rev must be valid and must not be nullrev. A returned |
|
180 | * The specified rev must be valid and must not be nullrev. A returned | |
181 | * parent revision may be nullrev, but is guaranteed to be in valid range. |
|
181 | * parent revision may be nullrev, but is guaranteed to be in valid range. | |
182 | */ |
|
182 | */ | |
183 | static inline int index_get_parents(indexObject *self, Py_ssize_t rev, int *ps, |
|
183 | static inline int index_get_parents(indexObject *self, Py_ssize_t rev, int *ps, | |
184 | int maxrev) |
|
184 | int maxrev) | |
185 | { |
|
185 | { | |
186 | if (rev >= self->length) { |
|
186 | if (rev >= self->length) { | |
187 | long tmp; |
|
187 | long tmp; | |
188 | PyObject *tuple = |
|
188 | PyObject *tuple = | |
189 | PyList_GET_ITEM(self->added, rev - self->length); |
|
189 | PyList_GET_ITEM(self->added, rev - self->length); | |
190 | if (!pylong_to_long(PyTuple_GET_ITEM(tuple, 5), &tmp)) { |
|
190 | if (!pylong_to_long(PyTuple_GET_ITEM(tuple, 5), &tmp)) { | |
191 | return -1; |
|
191 | return -1; | |
192 | } |
|
192 | } | |
193 | ps[0] = (int)tmp; |
|
193 | ps[0] = (int)tmp; | |
194 | if (!pylong_to_long(PyTuple_GET_ITEM(tuple, 6), &tmp)) { |
|
194 | if (!pylong_to_long(PyTuple_GET_ITEM(tuple, 6), &tmp)) { | |
195 | return -1; |
|
195 | return -1; | |
196 | } |
|
196 | } | |
197 | ps[1] = (int)tmp; |
|
197 | ps[1] = (int)tmp; | |
198 | } else { |
|
198 | } else { | |
199 | const char *data = index_deref(self, rev); |
|
199 | const char *data = index_deref(self, rev); | |
200 | ps[0] = getbe32(data + 24); |
|
200 | ps[0] = getbe32(data + 24); | |
201 | ps[1] = getbe32(data + 28); |
|
201 | ps[1] = getbe32(data + 28); | |
202 | } |
|
202 | } | |
203 | /* If index file is corrupted, ps[] may point to invalid revisions. So |
|
203 | /* If index file is corrupted, ps[] may point to invalid revisions. So | |
204 | * there is a risk of buffer overflow to trust them unconditionally. */ |
|
204 | * there is a risk of buffer overflow to trust them unconditionally. */ | |
205 | if (ps[0] < -1 || ps[0] > maxrev || ps[1] < -1 || ps[1] > maxrev) { |
|
205 | if (ps[0] < -1 || ps[0] > maxrev || ps[1] < -1 || ps[1] > maxrev) { | |
206 | PyErr_SetString(PyExc_ValueError, "parent out of range"); |
|
206 | PyErr_SetString(PyExc_ValueError, "parent out of range"); | |
207 | return -1; |
|
207 | return -1; | |
208 | } |
|
208 | } | |
209 | return 0; |
|
209 | return 0; | |
210 | } |
|
210 | } | |
211 |
|
211 | |||
212 | /* |
|
212 | /* | |
213 | * Get parents of the given rev. |
|
213 | * Get parents of the given rev. | |
214 | * |
|
214 | * | |
215 | * If the specified rev is out of range, IndexError will be raised. If the |
|
215 | * If the specified rev is out of range, IndexError will be raised. If the | |
216 | * revlog entry is corrupted, ValueError may be raised. |
|
216 | * revlog entry is corrupted, ValueError may be raised. | |
217 | * |
|
217 | * | |
218 | * Returns 0 on success or -1 on failure. |
|
218 | * Returns 0 on success or -1 on failure. | |
219 | */ |
|
219 | */ | |
220 | static int HgRevlogIndex_GetParents(PyObject *op, int rev, int *ps) |
|
220 | static int HgRevlogIndex_GetParents(PyObject *op, int rev, int *ps) | |
221 | { |
|
221 | { | |
222 | int tiprev; |
|
222 | int tiprev; | |
223 | if (!op || !HgRevlogIndex_Check(op) || !ps) { |
|
223 | if (!op || !HgRevlogIndex_Check(op) || !ps) { | |
224 | PyErr_BadInternalCall(); |
|
224 | PyErr_BadInternalCall(); | |
225 | return -1; |
|
225 | return -1; | |
226 | } |
|
226 | } | |
227 | tiprev = (int)index_length((indexObject *)op) - 1; |
|
227 | tiprev = (int)index_length((indexObject *)op) - 1; | |
228 | if (rev < -1 || rev > tiprev) { |
|
228 | if (rev < -1 || rev > tiprev) { | |
229 | PyErr_Format(PyExc_IndexError, "rev out of range: %d", rev); |
|
229 | PyErr_Format(PyExc_IndexError, "rev out of range: %d", rev); | |
230 | return -1; |
|
230 | return -1; | |
231 | } else if (rev == -1) { |
|
231 | } else if (rev == -1) { | |
232 | ps[0] = ps[1] = -1; |
|
232 | ps[0] = ps[1] = -1; | |
233 | return 0; |
|
233 | return 0; | |
234 | } else { |
|
234 | } else { | |
235 | return index_get_parents((indexObject *)op, rev, ps, tiprev); |
|
235 | return index_get_parents((indexObject *)op, rev, ps, tiprev); | |
236 | } |
|
236 | } | |
237 | } |
|
237 | } | |
238 |
|
238 | |||
239 | static inline int64_t index_get_start(indexObject *self, Py_ssize_t rev) |
|
239 | static inline int64_t index_get_start(indexObject *self, Py_ssize_t rev) | |
240 | { |
|
240 | { | |
241 | uint64_t offset; |
|
241 | uint64_t offset; | |
242 | if (rev == nullrev) { |
|
242 | if (rev == nullrev) { | |
243 | return 0; |
|
243 | return 0; | |
244 | } |
|
244 | } | |
245 | if (rev >= self->length) { |
|
245 | if (rev >= self->length) { | |
246 | PyObject *tuple; |
|
246 | PyObject *tuple; | |
247 | PyObject *pylong; |
|
247 | PyObject *pylong; | |
248 | PY_LONG_LONG tmp; |
|
248 | PY_LONG_LONG tmp; | |
249 | tuple = PyList_GET_ITEM(self->added, rev - self->length); |
|
249 | tuple = PyList_GET_ITEM(self->added, rev - self->length); | |
250 | pylong = PyTuple_GET_ITEM(tuple, 0); |
|
250 | pylong = PyTuple_GET_ITEM(tuple, 0); | |
251 | tmp = PyLong_AsLongLong(pylong); |
|
251 | tmp = PyLong_AsLongLong(pylong); | |
252 | if (tmp == -1 && PyErr_Occurred()) { |
|
252 | if (tmp == -1 && PyErr_Occurred()) { | |
253 | return -1; |
|
253 | return -1; | |
254 | } |
|
254 | } | |
255 | if (tmp < 0) { |
|
255 | if (tmp < 0) { | |
256 | PyErr_Format(PyExc_OverflowError, |
|
256 | PyErr_Format(PyExc_OverflowError, | |
257 | "revlog entry size out of bound (%lld)", |
|
257 | "revlog entry size out of bound (%lld)", | |
258 | (long long)tmp); |
|
258 | (long long)tmp); | |
259 | return -1; |
|
259 | return -1; | |
260 | } |
|
260 | } | |
261 | offset = (uint64_t)tmp; |
|
261 | offset = (uint64_t)tmp; | |
262 | } else { |
|
262 | } else { | |
263 | const char *data = index_deref(self, rev); |
|
263 | const char *data = index_deref(self, rev); | |
264 | offset = getbe32(data + 4); |
|
264 | offset = getbe32(data + 4); | |
265 | if (rev == 0) { |
|
265 | if (rev == 0) { | |
266 | /* mask out version number for the first entry */ |
|
266 | /* mask out version number for the first entry */ | |
267 | offset &= 0xFFFF; |
|
267 | offset &= 0xFFFF; | |
268 | } else { |
|
268 | } else { | |
269 | uint32_t offset_high = getbe32(data); |
|
269 | uint32_t offset_high = getbe32(data); | |
270 | offset |= ((uint64_t)offset_high) << 32; |
|
270 | offset |= ((uint64_t)offset_high) << 32; | |
271 | } |
|
271 | } | |
272 | } |
|
272 | } | |
273 | return (int64_t)(offset >> 16); |
|
273 | return (int64_t)(offset >> 16); | |
274 | } |
|
274 | } | |
275 |
|
275 | |||
276 | static inline int index_get_length(indexObject *self, Py_ssize_t rev) |
|
276 | static inline int index_get_length(indexObject *self, Py_ssize_t rev) | |
277 | { |
|
277 | { | |
278 | if (rev == nullrev) { |
|
278 | if (rev == nullrev) { | |
279 | return 0; |
|
279 | return 0; | |
280 | } |
|
280 | } | |
281 | if (rev >= self->length) { |
|
281 | if (rev >= self->length) { | |
282 | PyObject *tuple; |
|
282 | PyObject *tuple; | |
283 | PyObject *pylong; |
|
283 | PyObject *pylong; | |
284 | long ret; |
|
284 | long ret; | |
285 | tuple = PyList_GET_ITEM(self->added, rev - self->length); |
|
285 | tuple = PyList_GET_ITEM(self->added, rev - self->length); | |
286 | pylong = PyTuple_GET_ITEM(tuple, 1); |
|
286 | pylong = PyTuple_GET_ITEM(tuple, 1); | |
287 | ret = PyInt_AsLong(pylong); |
|
287 | ret = PyInt_AsLong(pylong); | |
288 | if (ret == -1 && PyErr_Occurred()) { |
|
288 | if (ret == -1 && PyErr_Occurred()) { | |
289 | return -1; |
|
289 | return -1; | |
290 | } |
|
290 | } | |
291 | if (ret < 0 || ret > (long)INT_MAX) { |
|
291 | if (ret < 0 || ret > (long)INT_MAX) { | |
292 | PyErr_Format(PyExc_OverflowError, |
|
292 | PyErr_Format(PyExc_OverflowError, | |
293 | "revlog entry size out of bound (%ld)", |
|
293 | "revlog entry size out of bound (%ld)", | |
294 | ret); |
|
294 | ret); | |
295 | return -1; |
|
295 | return -1; | |
296 | } |
|
296 | } | |
297 | return (int)ret; |
|
297 | return (int)ret; | |
298 | } else { |
|
298 | } else { | |
299 | const char *data = index_deref(self, rev); |
|
299 | const char *data = index_deref(self, rev); | |
300 | int tmp = (int)getbe32(data + 8); |
|
300 | int tmp = (int)getbe32(data + 8); | |
301 | if (tmp < 0) { |
|
301 | if (tmp < 0) { | |
302 | PyErr_Format(PyExc_OverflowError, |
|
302 | PyErr_Format(PyExc_OverflowError, | |
303 | "revlog entry size out of bound (%d)", |
|
303 | "revlog entry size out of bound (%d)", | |
304 | tmp); |
|
304 | tmp); | |
305 | return -1; |
|
305 | return -1; | |
306 | } |
|
306 | } | |
307 | return tmp; |
|
307 | return tmp; | |
308 | } |
|
308 | } | |
309 | } |
|
309 | } | |
310 |
|
310 | |||
311 | /* |
|
311 | /* | |
312 | * RevlogNG format (all in big endian, data may be inlined): |
|
312 | * RevlogNG format (all in big endian, data may be inlined): | |
313 | * 6 bytes: offset |
|
313 | * 6 bytes: offset | |
314 | * 2 bytes: flags |
|
314 | * 2 bytes: flags | |
315 | * 4 bytes: compressed length |
|
315 | * 4 bytes: compressed length | |
316 | * 4 bytes: uncompressed length |
|
316 | * 4 bytes: uncompressed length | |
317 | * 4 bytes: base revision |
|
317 | * 4 bytes: base revision | |
318 | * 4 bytes: link revision |
|
318 | * 4 bytes: link revision | |
319 | * 4 bytes: parent 1 revision |
|
319 | * 4 bytes: parent 1 revision | |
320 | * 4 bytes: parent 2 revision |
|
320 | * 4 bytes: parent 2 revision | |
321 | * 32 bytes: nodeid (only 20 bytes used) |
|
321 | * 32 bytes: nodeid (only 20 bytes used) | |
322 | */ |
|
322 | */ | |
323 | static PyObject *index_get(indexObject *self, Py_ssize_t pos) |
|
323 | static PyObject *index_get(indexObject *self, Py_ssize_t pos) | |
324 | { |
|
324 | { | |
325 | uint64_t offset_flags; |
|
325 | uint64_t offset_flags; | |
326 | int comp_len, uncomp_len, base_rev, link_rev, parent_1, parent_2; |
|
326 | int comp_len, uncomp_len, base_rev, link_rev, parent_1, parent_2; | |
327 | const char *c_node_id; |
|
327 | const char *c_node_id; | |
328 | const char *data; |
|
328 | const char *data; | |
329 | Py_ssize_t length = index_length(self); |
|
329 | Py_ssize_t length = index_length(self); | |
330 | PyObject *entry; |
|
330 | PyObject *entry; | |
331 |
|
331 | |||
332 | if (pos == nullrev) { |
|
332 | if (pos == nullrev) { | |
333 | Py_INCREF(nullentry); |
|
333 | Py_INCREF(nullentry); | |
334 | return nullentry; |
|
334 | return nullentry; | |
335 | } |
|
335 | } | |
336 |
|
336 | |||
337 | if (pos < 0 || pos >= length) { |
|
337 | if (pos < 0 || pos >= length) { | |
338 | PyErr_SetString(PyExc_IndexError, "revlog index out of range"); |
|
338 | PyErr_SetString(PyExc_IndexError, "revlog index out of range"); | |
339 | return NULL; |
|
339 | return NULL; | |
340 | } |
|
340 | } | |
341 |
|
341 | |||
342 | if (pos >= self->length) { |
|
342 | if (pos >= self->length) { | |
343 | PyObject *obj; |
|
343 | PyObject *obj; | |
344 | obj = PyList_GET_ITEM(self->added, pos - self->length); |
|
344 | obj = PyList_GET_ITEM(self->added, pos - self->length); | |
345 | Py_INCREF(obj); |
|
345 | Py_INCREF(obj); | |
346 | return obj; |
|
346 | return obj; | |
347 | } |
|
347 | } | |
348 |
|
348 | |||
349 | if (self->cache) { |
|
349 | if (self->cache) { | |
350 | if (self->cache[pos]) { |
|
350 | if (self->cache[pos]) { | |
351 | Py_INCREF(self->cache[pos]); |
|
351 | Py_INCREF(self->cache[pos]); | |
352 | return self->cache[pos]; |
|
352 | return self->cache[pos]; | |
353 | } |
|
353 | } | |
354 | } else { |
|
354 | } else { | |
355 | self->cache = calloc(self->raw_length, sizeof(PyObject *)); |
|
355 | self->cache = calloc(self->raw_length, sizeof(PyObject *)); | |
356 | if (self->cache == NULL) |
|
356 | if (self->cache == NULL) | |
357 | return PyErr_NoMemory(); |
|
357 | return PyErr_NoMemory(); | |
358 | } |
|
358 | } | |
359 |
|
359 | |||
360 | data = index_deref(self, pos); |
|
360 | data = index_deref(self, pos); | |
361 | if (data == NULL) |
|
361 | if (data == NULL) | |
362 | return NULL; |
|
362 | return NULL; | |
363 |
|
363 | |||
364 | offset_flags = getbe32(data + 4); |
|
364 | offset_flags = getbe32(data + 4); | |
365 | if (pos == 0) /* mask out version number for the first entry */ |
|
365 | if (pos == 0) /* mask out version number for the first entry */ | |
366 | offset_flags &= 0xFFFF; |
|
366 | offset_flags &= 0xFFFF; | |
367 | else { |
|
367 | else { | |
368 | uint32_t offset_high = getbe32(data); |
|
368 | uint32_t offset_high = getbe32(data); | |
369 | offset_flags |= ((uint64_t)offset_high) << 32; |
|
369 | offset_flags |= ((uint64_t)offset_high) << 32; | |
370 | } |
|
370 | } | |
371 |
|
371 | |||
372 | comp_len = getbe32(data + 8); |
|
372 | comp_len = getbe32(data + 8); | |
373 | uncomp_len = getbe32(data + 12); |
|
373 | uncomp_len = getbe32(data + 12); | |
374 | base_rev = getbe32(data + 16); |
|
374 | base_rev = getbe32(data + 16); | |
375 | link_rev = getbe32(data + 20); |
|
375 | link_rev = getbe32(data + 20); | |
376 | parent_1 = getbe32(data + 24); |
|
376 | parent_1 = getbe32(data + 24); | |
377 | parent_2 = getbe32(data + 28); |
|
377 | parent_2 = getbe32(data + 28); | |
378 | c_node_id = data + 32; |
|
378 | c_node_id = data + 32; | |
379 |
|
379 | |||
380 | entry = Py_BuildValue(tuple_format, offset_flags, comp_len, uncomp_len, |
|
380 | entry = Py_BuildValue(tuple_format, offset_flags, comp_len, uncomp_len, | |
381 | base_rev, link_rev, parent_1, parent_2, c_node_id, |
|
381 | base_rev, link_rev, parent_1, parent_2, c_node_id, | |
382 | (Py_ssize_t)20); |
|
382 | (Py_ssize_t)20); | |
383 |
|
383 | |||
384 | if (entry) { |
|
384 | if (entry) { | |
385 | PyObject_GC_UnTrack(entry); |
|
385 | PyObject_GC_UnTrack(entry); | |
386 | Py_INCREF(entry); |
|
386 | Py_INCREF(entry); | |
387 | } |
|
387 | } | |
388 |
|
388 | |||
389 | self->cache[pos] = entry; |
|
389 | self->cache[pos] = entry; | |
390 |
|
390 | |||
391 | return entry; |
|
391 | return entry; | |
392 | } |
|
392 | } | |
393 |
|
393 | |||
394 | /* |
|
394 | /* | |
395 | * Return the 20-byte SHA of the node corresponding to the given rev. |
|
395 | * Return the 20-byte SHA of the node corresponding to the given rev. | |
396 | */ |
|
396 | */ | |
397 | static const char *index_node(indexObject *self, Py_ssize_t pos) |
|
397 | static const char *index_node(indexObject *self, Py_ssize_t pos) | |
398 | { |
|
398 | { | |
399 | Py_ssize_t length = index_length(self); |
|
399 | Py_ssize_t length = index_length(self); | |
400 | const char *data; |
|
400 | const char *data; | |
401 |
|
401 | |||
402 | if (pos == nullrev) |
|
402 | if (pos == nullrev) | |
403 | return nullid; |
|
403 | return nullid; | |
404 |
|
404 | |||
405 | if (pos >= length) |
|
405 | if (pos >= length) | |
406 | return NULL; |
|
406 | return NULL; | |
407 |
|
407 | |||
408 | if (pos >= self->length) { |
|
408 | if (pos >= self->length) { | |
409 | PyObject *tuple, *str; |
|
409 | PyObject *tuple, *str; | |
410 | tuple = PyList_GET_ITEM(self->added, pos - self->length); |
|
410 | tuple = PyList_GET_ITEM(self->added, pos - self->length); | |
411 | str = PyTuple_GetItem(tuple, 7); |
|
411 | str = PyTuple_GetItem(tuple, 7); | |
412 | return str ? PyBytes_AS_STRING(str) : NULL; |
|
412 | return str ? PyBytes_AS_STRING(str) : NULL; | |
413 | } |
|
413 | } | |
414 |
|
414 | |||
415 | data = index_deref(self, pos); |
|
415 | data = index_deref(self, pos); | |
416 | return data ? data + 32 : NULL; |
|
416 | return data ? data + 32 : NULL; | |
417 | } |
|
417 | } | |
418 |
|
418 | |||
419 | /* |
|
419 | /* | |
420 | * Return the 20-byte SHA of the node corresponding to the given rev. The |
|
420 | * Return the 20-byte SHA of the node corresponding to the given rev. The | |
421 | * rev is assumed to be existing. If not, an exception is set. |
|
421 | * rev is assumed to be existing. If not, an exception is set. | |
422 | */ |
|
422 | */ | |
423 | static const char *index_node_existing(indexObject *self, Py_ssize_t pos) |
|
423 | static const char *index_node_existing(indexObject *self, Py_ssize_t pos) | |
424 | { |
|
424 | { | |
425 | const char *node = index_node(self, pos); |
|
425 | const char *node = index_node(self, pos); | |
426 | if (node == NULL) { |
|
426 | if (node == NULL) { | |
427 | PyErr_Format(PyExc_IndexError, "could not access rev %d", |
|
427 | PyErr_Format(PyExc_IndexError, "could not access rev %d", | |
428 | (int)pos); |
|
428 | (int)pos); | |
429 | } |
|
429 | } | |
430 | return node; |
|
430 | return node; | |
431 | } |
|
431 | } | |
432 |
|
432 | |||
433 | static int nt_insert(nodetree *self, const char *node, int rev); |
|
433 | static int nt_insert(nodetree *self, const char *node, int rev); | |
434 |
|
434 | |||
435 | static int node_check(PyObject *obj, char **node) |
|
435 | static int node_check(PyObject *obj, char **node) | |
436 | { |
|
436 | { | |
437 | Py_ssize_t nodelen; |
|
437 | Py_ssize_t nodelen; | |
438 | if (PyBytes_AsStringAndSize(obj, node, &nodelen) == -1) |
|
438 | if (PyBytes_AsStringAndSize(obj, node, &nodelen) == -1) | |
439 | return -1; |
|
439 | return -1; | |
440 | if (nodelen == 20) |
|
440 | if (nodelen == 20) | |
441 | return 0; |
|
441 | return 0; | |
442 | PyErr_SetString(PyExc_ValueError, "20-byte hash required"); |
|
442 | PyErr_SetString(PyExc_ValueError, "20-byte hash required"); | |
443 | return -1; |
|
443 | return -1; | |
444 | } |
|
444 | } | |
445 |
|
445 | |||
446 | static PyObject *index_append(indexObject *self, PyObject *obj) |
|
446 | static PyObject *index_append(indexObject *self, PyObject *obj) | |
447 | { |
|
447 | { | |
448 | char *node; |
|
448 | char *node; | |
449 | Py_ssize_t len; |
|
449 | Py_ssize_t len; | |
450 |
|
450 | |||
451 | if (!PyTuple_Check(obj) || PyTuple_GET_SIZE(obj) != 8) { |
|
451 | if (!PyTuple_Check(obj) || PyTuple_GET_SIZE(obj) != 8) { | |
452 | PyErr_SetString(PyExc_TypeError, "8-tuple required"); |
|
452 | PyErr_SetString(PyExc_TypeError, "8-tuple required"); | |
453 | return NULL; |
|
453 | return NULL; | |
454 | } |
|
454 | } | |
455 |
|
455 | |||
456 | if (node_check(PyTuple_GET_ITEM(obj, 7), &node) == -1) |
|
456 | if (node_check(PyTuple_GET_ITEM(obj, 7), &node) == -1) | |
457 | return NULL; |
|
457 | return NULL; | |
458 |
|
458 | |||
459 | len = index_length(self); |
|
459 | len = index_length(self); | |
460 |
|
460 | |||
461 | if (self->added == NULL) { |
|
461 | if (self->added == NULL) { | |
462 | self->added = PyList_New(0); |
|
462 | self->added = PyList_New(0); | |
463 | if (self->added == NULL) |
|
463 | if (self->added == NULL) | |
464 | return NULL; |
|
464 | return NULL; | |
465 | } |
|
465 | } | |
466 |
|
466 | |||
467 | if (PyList_Append(self->added, obj) == -1) |
|
467 | if (PyList_Append(self->added, obj) == -1) | |
468 | return NULL; |
|
468 | return NULL; | |
469 |
|
469 | |||
470 | if (self->ntinitialized) |
|
470 | if (self->ntinitialized) | |
471 | nt_insert(&self->nt, node, (int)len); |
|
471 | nt_insert(&self->nt, node, (int)len); | |
472 |
|
472 | |||
473 | Py_CLEAR(self->headrevs); |
|
473 | Py_CLEAR(self->headrevs); | |
474 | Py_RETURN_NONE; |
|
474 | Py_RETURN_NONE; | |
475 | } |
|
475 | } | |
476 |
|
476 | |||
477 | static PyObject *index_stats(indexObject *self) |
|
477 | static PyObject *index_stats(indexObject *self) | |
478 | { |
|
478 | { | |
479 | PyObject *obj = PyDict_New(); |
|
479 | PyObject *obj = PyDict_New(); | |
480 | PyObject *s = NULL; |
|
480 | PyObject *s = NULL; | |
481 | PyObject *t = NULL; |
|
481 | PyObject *t = NULL; | |
482 |
|
482 | |||
483 | if (obj == NULL) |
|
483 | if (obj == NULL) | |
484 | return NULL; |
|
484 | return NULL; | |
485 |
|
485 | |||
486 | #define istat(__n, __d) \ |
|
486 | #define istat(__n, __d) \ | |
487 | do { \ |
|
487 | do { \ | |
488 | s = PyBytes_FromString(__d); \ |
|
488 | s = PyBytes_FromString(__d); \ | |
489 | t = PyInt_FromSsize_t(self->__n); \ |
|
489 | t = PyInt_FromSsize_t(self->__n); \ | |
490 | if (!s || !t) \ |
|
490 | if (!s || !t) \ | |
491 | goto bail; \ |
|
491 | goto bail; \ | |
492 | if (PyDict_SetItem(obj, s, t) == -1) \ |
|
492 | if (PyDict_SetItem(obj, s, t) == -1) \ | |
493 | goto bail; \ |
|
493 | goto bail; \ | |
494 | Py_CLEAR(s); \ |
|
494 | Py_CLEAR(s); \ | |
495 | Py_CLEAR(t); \ |
|
495 | Py_CLEAR(t); \ | |
496 | } while (0) |
|
496 | } while (0) | |
497 |
|
497 | |||
498 | if (self->added) { |
|
498 | if (self->added) { | |
499 | Py_ssize_t len = PyList_GET_SIZE(self->added); |
|
499 | Py_ssize_t len = PyList_GET_SIZE(self->added); | |
500 | s = PyBytes_FromString("index entries added"); |
|
500 | s = PyBytes_FromString("index entries added"); | |
501 | t = PyInt_FromSsize_t(len); |
|
501 | t = PyInt_FromSsize_t(len); | |
502 | if (!s || !t) |
|
502 | if (!s || !t) | |
503 | goto bail; |
|
503 | goto bail; | |
504 | if (PyDict_SetItem(obj, s, t) == -1) |
|
504 | if (PyDict_SetItem(obj, s, t) == -1) | |
505 | goto bail; |
|
505 | goto bail; | |
506 | Py_CLEAR(s); |
|
506 | Py_CLEAR(s); | |
507 | Py_CLEAR(t); |
|
507 | Py_CLEAR(t); | |
508 | } |
|
508 | } | |
509 |
|
509 | |||
510 | if (self->raw_length != self->length) |
|
510 | if (self->raw_length != self->length) | |
511 | istat(raw_length, "revs on disk"); |
|
511 | istat(raw_length, "revs on disk"); | |
512 | istat(length, "revs in memory"); |
|
512 | istat(length, "revs in memory"); | |
513 | istat(ntlookups, "node trie lookups"); |
|
513 | istat(ntlookups, "node trie lookups"); | |
514 | istat(ntmisses, "node trie misses"); |
|
514 | istat(ntmisses, "node trie misses"); | |
515 | istat(ntrev, "node trie last rev scanned"); |
|
515 | istat(ntrev, "node trie last rev scanned"); | |
516 | if (self->ntinitialized) { |
|
516 | if (self->ntinitialized) { | |
517 | istat(nt.capacity, "node trie capacity"); |
|
517 | istat(nt.capacity, "node trie capacity"); | |
518 | istat(nt.depth, "node trie depth"); |
|
518 | istat(nt.depth, "node trie depth"); | |
519 | istat(nt.length, "node trie count"); |
|
519 | istat(nt.length, "node trie count"); | |
520 | istat(nt.splits, "node trie splits"); |
|
520 | istat(nt.splits, "node trie splits"); | |
521 | } |
|
521 | } | |
522 |
|
522 | |||
523 | #undef istat |
|
523 | #undef istat | |
524 |
|
524 | |||
525 | return obj; |
|
525 | return obj; | |
526 |
|
526 | |||
527 | bail: |
|
527 | bail: | |
528 | Py_XDECREF(obj); |
|
528 | Py_XDECREF(obj); | |
529 | Py_XDECREF(s); |
|
529 | Py_XDECREF(s); | |
530 | Py_XDECREF(t); |
|
530 | Py_XDECREF(t); | |
531 | return NULL; |
|
531 | return NULL; | |
532 | } |
|
532 | } | |
533 |
|
533 | |||
534 | /* |
|
534 | /* | |
535 | * When we cache a list, we want to be sure the caller can't mutate |
|
535 | * When we cache a list, we want to be sure the caller can't mutate | |
536 | * the cached copy. |
|
536 | * the cached copy. | |
537 | */ |
|
537 | */ | |
538 | static PyObject *list_copy(PyObject *list) |
|
538 | static PyObject *list_copy(PyObject *list) | |
539 | { |
|
539 | { | |
540 | Py_ssize_t len = PyList_GET_SIZE(list); |
|
540 | Py_ssize_t len = PyList_GET_SIZE(list); | |
541 | PyObject *newlist = PyList_New(len); |
|
541 | PyObject *newlist = PyList_New(len); | |
542 | Py_ssize_t i; |
|
542 | Py_ssize_t i; | |
543 |
|
543 | |||
544 | if (newlist == NULL) |
|
544 | if (newlist == NULL) | |
545 | return NULL; |
|
545 | return NULL; | |
546 |
|
546 | |||
547 | for (i = 0; i < len; i++) { |
|
547 | for (i = 0; i < len; i++) { | |
548 | PyObject *obj = PyList_GET_ITEM(list, i); |
|
548 | PyObject *obj = PyList_GET_ITEM(list, i); | |
549 | Py_INCREF(obj); |
|
549 | Py_INCREF(obj); | |
550 | PyList_SET_ITEM(newlist, i, obj); |
|
550 | PyList_SET_ITEM(newlist, i, obj); | |
551 | } |
|
551 | } | |
552 |
|
552 | |||
553 | return newlist; |
|
553 | return newlist; | |
554 | } |
|
554 | } | |
555 |
|
555 | |||
556 | static int check_filter(PyObject *filter, Py_ssize_t arg) |
|
556 | static int check_filter(PyObject *filter, Py_ssize_t arg) | |
557 | { |
|
557 | { | |
558 | if (filter) { |
|
558 | if (filter) { | |
559 | PyObject *arglist, *result; |
|
559 | PyObject *arglist, *result; | |
560 | int isfiltered; |
|
560 | int isfiltered; | |
561 |
|
561 | |||
562 | arglist = Py_BuildValue("(n)", arg); |
|
562 | arglist = Py_BuildValue("(n)", arg); | |
563 | if (!arglist) { |
|
563 | if (!arglist) { | |
564 | return -1; |
|
564 | return -1; | |
565 | } |
|
565 | } | |
566 |
|
566 | |||
567 | result = PyEval_CallObject(filter, arglist); |
|
567 | result = PyEval_CallObject(filter, arglist); | |
568 | Py_DECREF(arglist); |
|
568 | Py_DECREF(arglist); | |
569 | if (!result) { |
|
569 | if (!result) { | |
570 | return -1; |
|
570 | return -1; | |
571 | } |
|
571 | } | |
572 |
|
572 | |||
573 | /* PyObject_IsTrue returns 1 if true, 0 if false, -1 if error, |
|
573 | /* PyObject_IsTrue returns 1 if true, 0 if false, -1 if error, | |
574 | * same as this function, so we can just return it directly.*/ |
|
574 | * same as this function, so we can just return it directly.*/ | |
575 | isfiltered = PyObject_IsTrue(result); |
|
575 | isfiltered = PyObject_IsTrue(result); | |
576 | Py_DECREF(result); |
|
576 | Py_DECREF(result); | |
577 | return isfiltered; |
|
577 | return isfiltered; | |
578 | } else { |
|
578 | } else { | |
579 | return 0; |
|
579 | return 0; | |
580 | } |
|
580 | } | |
581 | } |
|
581 | } | |
582 |
|
582 | |||
583 | static inline void set_phase_from_parents(char *phases, int parent_1, |
|
583 | static inline void set_phase_from_parents(char *phases, int parent_1, | |
584 | int parent_2, Py_ssize_t i) |
|
584 | int parent_2, Py_ssize_t i) | |
585 | { |
|
585 | { | |
586 | if (parent_1 >= 0 && phases[parent_1] > phases[i]) |
|
586 | if (parent_1 >= 0 && phases[parent_1] > phases[i]) | |
587 | phases[i] = phases[parent_1]; |
|
587 | phases[i] = phases[parent_1]; | |
588 | if (parent_2 >= 0 && phases[parent_2] > phases[i]) |
|
588 | if (parent_2 >= 0 && phases[parent_2] > phases[i]) | |
589 | phases[i] = phases[parent_2]; |
|
589 | phases[i] = phases[parent_2]; | |
590 | } |
|
590 | } | |
591 |
|
591 | |||
592 | static PyObject *reachableroots2(indexObject *self, PyObject *args) |
|
592 | static PyObject *reachableroots2(indexObject *self, PyObject *args) | |
593 | { |
|
593 | { | |
594 |
|
594 | |||
595 | /* Input */ |
|
595 | /* Input */ | |
596 | long minroot; |
|
596 | long minroot; | |
597 | PyObject *includepatharg = NULL; |
|
597 | PyObject *includepatharg = NULL; | |
598 | int includepath = 0; |
|
598 | int includepath = 0; | |
599 | /* heads and roots are lists */ |
|
599 | /* heads and roots are lists */ | |
600 | PyObject *heads = NULL; |
|
600 | PyObject *heads = NULL; | |
601 | PyObject *roots = NULL; |
|
601 | PyObject *roots = NULL; | |
602 | PyObject *reachable = NULL; |
|
602 | PyObject *reachable = NULL; | |
603 |
|
603 | |||
604 | PyObject *val; |
|
604 | PyObject *val; | |
605 | Py_ssize_t len = index_length(self); |
|
605 | Py_ssize_t len = index_length(self); | |
606 | long revnum; |
|
606 | long revnum; | |
607 | Py_ssize_t k; |
|
607 | Py_ssize_t k; | |
608 | Py_ssize_t i; |
|
608 | Py_ssize_t i; | |
609 | Py_ssize_t l; |
|
609 | Py_ssize_t l; | |
610 | int r; |
|
610 | int r; | |
611 | int parents[2]; |
|
611 | int parents[2]; | |
612 |
|
612 | |||
613 | /* Internal data structure: |
|
613 | /* Internal data structure: | |
614 | * tovisit: array of length len+1 (all revs + nullrev), filled upto |
|
614 | * tovisit: array of length len+1 (all revs + nullrev), filled upto | |
615 | * lentovisit |
|
615 | * lentovisit | |
616 | * |
|
616 | * | |
617 | * revstates: array of length len+1 (all revs + nullrev) */ |
|
617 | * revstates: array of length len+1 (all revs + nullrev) */ | |
618 | int *tovisit = NULL; |
|
618 | int *tovisit = NULL; | |
619 | long lentovisit = 0; |
|
619 | long lentovisit = 0; | |
620 | enum { RS_SEEN = 1, RS_ROOT = 2, RS_REACHABLE = 4 }; |
|
620 | enum { RS_SEEN = 1, RS_ROOT = 2, RS_REACHABLE = 4 }; | |
621 | char *revstates = NULL; |
|
621 | char *revstates = NULL; | |
622 |
|
622 | |||
623 | /* Get arguments */ |
|
623 | /* Get arguments */ | |
624 | if (!PyArg_ParseTuple(args, "lO!O!O!", &minroot, &PyList_Type, &heads, |
|
624 | if (!PyArg_ParseTuple(args, "lO!O!O!", &minroot, &PyList_Type, &heads, | |
625 | &PyList_Type, &roots, &PyBool_Type, |
|
625 | &PyList_Type, &roots, &PyBool_Type, | |
626 | &includepatharg)) |
|
626 | &includepatharg)) | |
627 | goto bail; |
|
627 | goto bail; | |
628 |
|
628 | |||
629 | if (includepatharg == Py_True) |
|
629 | if (includepatharg == Py_True) | |
630 | includepath = 1; |
|
630 | includepath = 1; | |
631 |
|
631 | |||
632 | /* Initialize return set */ |
|
632 | /* Initialize return set */ | |
633 | reachable = PyList_New(0); |
|
633 | reachable = PyList_New(0); | |
634 | if (reachable == NULL) |
|
634 | if (reachable == NULL) | |
635 | goto bail; |
|
635 | goto bail; | |
636 |
|
636 | |||
637 | /* Initialize internal datastructures */ |
|
637 | /* Initialize internal datastructures */ | |
638 | tovisit = (int *)malloc((len + 1) * sizeof(int)); |
|
638 | tovisit = (int *)malloc((len + 1) * sizeof(int)); | |
639 | if (tovisit == NULL) { |
|
639 | if (tovisit == NULL) { | |
640 | PyErr_NoMemory(); |
|
640 | PyErr_NoMemory(); | |
641 | goto bail; |
|
641 | goto bail; | |
642 | } |
|
642 | } | |
643 |
|
643 | |||
644 | revstates = (char *)calloc(len + 1, 1); |
|
644 | revstates = (char *)calloc(len + 1, 1); | |
645 | if (revstates == NULL) { |
|
645 | if (revstates == NULL) { | |
646 | PyErr_NoMemory(); |
|
646 | PyErr_NoMemory(); | |
647 | goto bail; |
|
647 | goto bail; | |
648 | } |
|
648 | } | |
649 |
|
649 | |||
650 | l = PyList_GET_SIZE(roots); |
|
650 | l = PyList_GET_SIZE(roots); | |
651 | for (i = 0; i < l; i++) { |
|
651 | for (i = 0; i < l; i++) { | |
652 | revnum = PyInt_AsLong(PyList_GET_ITEM(roots, i)); |
|
652 | revnum = PyInt_AsLong(PyList_GET_ITEM(roots, i)); | |
653 | if (revnum == -1 && PyErr_Occurred()) |
|
653 | if (revnum == -1 && PyErr_Occurred()) | |
654 | goto bail; |
|
654 | goto bail; | |
655 | /* If root is out of range, e.g. wdir(), it must be unreachable |
|
655 | /* If root is out of range, e.g. wdir(), it must be unreachable | |
656 | * from heads. So we can just ignore it. */ |
|
656 | * from heads. So we can just ignore it. */ | |
657 | if (revnum + 1 < 0 || revnum + 1 >= len + 1) |
|
657 | if (revnum + 1 < 0 || revnum + 1 >= len + 1) | |
658 | continue; |
|
658 | continue; | |
659 | revstates[revnum + 1] |= RS_ROOT; |
|
659 | revstates[revnum + 1] |= RS_ROOT; | |
660 | } |
|
660 | } | |
661 |
|
661 | |||
662 | /* Populate tovisit with all the heads */ |
|
662 | /* Populate tovisit with all the heads */ | |
663 | l = PyList_GET_SIZE(heads); |
|
663 | l = PyList_GET_SIZE(heads); | |
664 | for (i = 0; i < l; i++) { |
|
664 | for (i = 0; i < l; i++) { | |
665 | revnum = PyInt_AsLong(PyList_GET_ITEM(heads, i)); |
|
665 | revnum = PyInt_AsLong(PyList_GET_ITEM(heads, i)); | |
666 | if (revnum == -1 && PyErr_Occurred()) |
|
666 | if (revnum == -1 && PyErr_Occurred()) | |
667 | goto bail; |
|
667 | goto bail; | |
668 | if (revnum + 1 < 0 || revnum + 1 >= len + 1) { |
|
668 | if (revnum + 1 < 0 || revnum + 1 >= len + 1) { | |
669 | PyErr_SetString(PyExc_IndexError, "head out of range"); |
|
669 | PyErr_SetString(PyExc_IndexError, "head out of range"); | |
670 | goto bail; |
|
670 | goto bail; | |
671 | } |
|
671 | } | |
672 | if (!(revstates[revnum + 1] & RS_SEEN)) { |
|
672 | if (!(revstates[revnum + 1] & RS_SEEN)) { | |
673 | tovisit[lentovisit++] = (int)revnum; |
|
673 | tovisit[lentovisit++] = (int)revnum; | |
674 | revstates[revnum + 1] |= RS_SEEN; |
|
674 | revstates[revnum + 1] |= RS_SEEN; | |
675 | } |
|
675 | } | |
676 | } |
|
676 | } | |
677 |
|
677 | |||
678 | /* Visit the tovisit list and find the reachable roots */ |
|
678 | /* Visit the tovisit list and find the reachable roots */ | |
679 | k = 0; |
|
679 | k = 0; | |
680 | while (k < lentovisit) { |
|
680 | while (k < lentovisit) { | |
681 | /* Add the node to reachable if it is a root*/ |
|
681 | /* Add the node to reachable if it is a root*/ | |
682 | revnum = tovisit[k++]; |
|
682 | revnum = tovisit[k++]; | |
683 | if (revstates[revnum + 1] & RS_ROOT) { |
|
683 | if (revstates[revnum + 1] & RS_ROOT) { | |
684 | revstates[revnum + 1] |= RS_REACHABLE; |
|
684 | revstates[revnum + 1] |= RS_REACHABLE; | |
685 | val = PyInt_FromLong(revnum); |
|
685 | val = PyInt_FromLong(revnum); | |
686 | if (val == NULL) |
|
686 | if (val == NULL) | |
687 | goto bail; |
|
687 | goto bail; | |
688 | r = PyList_Append(reachable, val); |
|
688 | r = PyList_Append(reachable, val); | |
689 | Py_DECREF(val); |
|
689 | Py_DECREF(val); | |
690 | if (r < 0) |
|
690 | if (r < 0) | |
691 | goto bail; |
|
691 | goto bail; | |
692 | if (includepath == 0) |
|
692 | if (includepath == 0) | |
693 | continue; |
|
693 | continue; | |
694 | } |
|
694 | } | |
695 |
|
695 | |||
696 | /* Add its parents to the list of nodes to visit */ |
|
696 | /* Add its parents to the list of nodes to visit */ | |
697 | if (revnum == nullrev) |
|
697 | if (revnum == nullrev) | |
698 | continue; |
|
698 | continue; | |
699 | r = index_get_parents(self, revnum, parents, (int)len - 1); |
|
699 | r = index_get_parents(self, revnum, parents, (int)len - 1); | |
700 | if (r < 0) |
|
700 | if (r < 0) | |
701 | goto bail; |
|
701 | goto bail; | |
702 | for (i = 0; i < 2; i++) { |
|
702 | for (i = 0; i < 2; i++) { | |
703 | if (!(revstates[parents[i] + 1] & RS_SEEN) && |
|
703 | if (!(revstates[parents[i] + 1] & RS_SEEN) && | |
704 | parents[i] >= minroot) { |
|
704 | parents[i] >= minroot) { | |
705 | tovisit[lentovisit++] = parents[i]; |
|
705 | tovisit[lentovisit++] = parents[i]; | |
706 | revstates[parents[i] + 1] |= RS_SEEN; |
|
706 | revstates[parents[i] + 1] |= RS_SEEN; | |
707 | } |
|
707 | } | |
708 | } |
|
708 | } | |
709 | } |
|
709 | } | |
710 |
|
710 | |||
711 | /* Find all the nodes in between the roots we found and the heads |
|
711 | /* Find all the nodes in between the roots we found and the heads | |
712 | * and add them to the reachable set */ |
|
712 | * and add them to the reachable set */ | |
713 | if (includepath == 1) { |
|
713 | if (includepath == 1) { | |
714 | long minidx = minroot; |
|
714 | long minidx = minroot; | |
715 | if (minidx < 0) |
|
715 | if (minidx < 0) | |
716 | minidx = 0; |
|
716 | minidx = 0; | |
717 | for (i = minidx; i < len; i++) { |
|
717 | for (i = minidx; i < len; i++) { | |
718 | if (!(revstates[i + 1] & RS_SEEN)) |
|
718 | if (!(revstates[i + 1] & RS_SEEN)) | |
719 | continue; |
|
719 | continue; | |
720 | r = index_get_parents(self, i, parents, (int)len - 1); |
|
720 | r = index_get_parents(self, i, parents, (int)len - 1); | |
721 | /* Corrupted index file, error is set from |
|
721 | /* Corrupted index file, error is set from | |
722 | * index_get_parents */ |
|
722 | * index_get_parents */ | |
723 | if (r < 0) |
|
723 | if (r < 0) | |
724 | goto bail; |
|
724 | goto bail; | |
725 | if (((revstates[parents[0] + 1] | |
|
725 | if (((revstates[parents[0] + 1] | | |
726 | revstates[parents[1] + 1]) & |
|
726 | revstates[parents[1] + 1]) & | |
727 | RS_REACHABLE) && |
|
727 | RS_REACHABLE) && | |
728 | !(revstates[i + 1] & RS_REACHABLE)) { |
|
728 | !(revstates[i + 1] & RS_REACHABLE)) { | |
729 | revstates[i + 1] |= RS_REACHABLE; |
|
729 | revstates[i + 1] |= RS_REACHABLE; | |
730 | val = PyInt_FromSsize_t(i); |
|
730 | val = PyInt_FromSsize_t(i); | |
731 | if (val == NULL) |
|
731 | if (val == NULL) | |
732 | goto bail; |
|
732 | goto bail; | |
733 | r = PyList_Append(reachable, val); |
|
733 | r = PyList_Append(reachable, val); | |
734 | Py_DECREF(val); |
|
734 | Py_DECREF(val); | |
735 | if (r < 0) |
|
735 | if (r < 0) | |
736 | goto bail; |
|
736 | goto bail; | |
737 | } |
|
737 | } | |
738 | } |
|
738 | } | |
739 | } |
|
739 | } | |
740 |
|
740 | |||
741 | free(revstates); |
|
741 | free(revstates); | |
742 | free(tovisit); |
|
742 | free(tovisit); | |
743 | return reachable; |
|
743 | return reachable; | |
744 | bail: |
|
744 | bail: | |
745 | Py_XDECREF(reachable); |
|
745 | Py_XDECREF(reachable); | |
746 | free(revstates); |
|
746 | free(revstates); | |
747 | free(tovisit); |
|
747 | free(tovisit); | |
748 | return NULL; |
|
748 | return NULL; | |
749 | } |
|
749 | } | |
750 |
|
750 | |||
751 | static int add_roots_get_min(indexObject *self, PyObject *roots, char *phases, |
|
751 | static int add_roots_get_min(indexObject *self, PyObject *roots, char *phases, | |
752 | char phase) |
|
752 | char phase) | |
753 | { |
|
753 | { | |
754 | Py_ssize_t len = index_length(self); |
|
754 | Py_ssize_t len = index_length(self); | |
755 | PyObject *item; |
|
755 | PyObject *item; | |
756 | PyObject *iterator; |
|
756 | PyObject *iterator; | |
757 | int rev, minrev = -1; |
|
757 | int rev, minrev = -1; | |
758 | char *node; |
|
758 | char *node; | |
759 |
|
759 | |||
760 | if (!PySet_Check(roots)) { |
|
760 | if (!PySet_Check(roots)) { | |
761 | PyErr_SetString(PyExc_TypeError, |
|
761 | PyErr_SetString(PyExc_TypeError, | |
762 | "roots must be a set of nodes"); |
|
762 | "roots must be a set of nodes"); | |
763 | return -2; |
|
763 | return -2; | |
764 | } |
|
764 | } | |
765 | iterator = PyObject_GetIter(roots); |
|
765 | iterator = PyObject_GetIter(roots); | |
766 | if (iterator == NULL) |
|
766 | if (iterator == NULL) | |
767 | return -2; |
|
767 | return -2; | |
768 | while ((item = PyIter_Next(iterator))) { |
|
768 | while ((item = PyIter_Next(iterator))) { | |
769 | if (node_check(item, &node) == -1) |
|
769 | if (node_check(item, &node) == -1) | |
770 | goto failed; |
|
770 | goto failed; | |
771 | rev = index_find_node(self, node, 20); |
|
771 | rev = index_find_node(self, node, 20); | |
772 | /* null is implicitly public, so negative is invalid */ |
|
772 | /* null is implicitly public, so negative is invalid */ | |
773 | if (rev < 0 || rev >= len) |
|
773 | if (rev < 0 || rev >= len) | |
774 | goto failed; |
|
774 | goto failed; | |
775 | phases[rev] = phase; |
|
775 | phases[rev] = phase; | |
776 | if (minrev == -1 || minrev > rev) |
|
776 | if (minrev == -1 || minrev > rev) | |
777 | minrev = rev; |
|
777 | minrev = rev; | |
778 | Py_DECREF(item); |
|
778 | Py_DECREF(item); | |
779 | } |
|
779 | } | |
780 | Py_DECREF(iterator); |
|
780 | Py_DECREF(iterator); | |
781 | return minrev; |
|
781 | return minrev; | |
782 | failed: |
|
782 | failed: | |
783 | Py_DECREF(iterator); |
|
783 | Py_DECREF(iterator); | |
784 | Py_DECREF(item); |
|
784 | Py_DECREF(item); | |
785 | return -2; |
|
785 | return -2; | |
786 | } |
|
786 | } | |
787 |
|
787 | |||
788 | static PyObject *compute_phases_map_sets(indexObject *self, PyObject *args) |
|
788 | static PyObject *compute_phases_map_sets(indexObject *self, PyObject *args) | |
789 | { |
|
789 | { | |
790 | /* 0: public (untracked), 1: draft, 2: secret, 32: archive, |
|
790 | /* 0: public (untracked), 1: draft, 2: secret, 32: archive, | |
791 | 96: internal */ |
|
791 | 96: internal */ | |
792 | static const char trackedphases[] = {1, 2, 32, 96}; |
|
792 | static const char trackedphases[] = {1, 2, 32, 96}; | |
793 | PyObject *ret = NULL; |
|
793 | PyObject *ret = NULL; | |
794 | PyObject *roots = Py_None; |
|
794 | PyObject *roots = Py_None; | |
795 | PyObject *pyphase = NULL; |
|
795 | PyObject *pyphase = NULL; | |
796 | PyObject *pyrev = NULL; |
|
796 | PyObject *pyrev = NULL; | |
797 | PyObject *phaseroots = NULL; |
|
797 | PyObject *phaseroots = NULL; | |
798 | PyObject *phasessize = NULL; |
|
798 | PyObject *phasessize = NULL; | |
799 | PyObject *phasesets[4] = {NULL, NULL, NULL, NULL}; |
|
799 | PyObject *phasesets[4] = {NULL, NULL, NULL, NULL}; | |
800 | Py_ssize_t len = index_length(self); |
|
800 | Py_ssize_t len = index_length(self); | |
801 | char *phases = NULL; |
|
801 | char *phases = NULL; | |
802 | int minphaserev = -1, rev, i; |
|
802 | int minphaserev = -1, rev, i; | |
803 | const int numphases = (int)(sizeof(phasesets) / sizeof(phasesets[0])); |
|
803 | const int numphases = (int)(sizeof(phasesets) / sizeof(phasesets[0])); | |
804 |
|
804 | |||
805 | if (!PyArg_ParseTuple(args, "O", &roots)) |
|
805 | if (!PyArg_ParseTuple(args, "O", &roots)) | |
806 | return NULL; |
|
806 | return NULL; | |
807 | if (roots == NULL || !PyDict_Check(roots)) { |
|
807 | if (roots == NULL || !PyDict_Check(roots)) { | |
808 | PyErr_SetString(PyExc_TypeError, "roots must be a dictionary"); |
|
808 | PyErr_SetString(PyExc_TypeError, "roots must be a dictionary"); | |
809 | return NULL; |
|
809 | return NULL; | |
810 | } |
|
810 | } | |
811 |
|
811 | |||
812 | phases = calloc(len, 1); |
|
812 | phases = calloc(len, 1); | |
813 | if (phases == NULL) { |
|
813 | if (phases == NULL) { | |
814 | PyErr_NoMemory(); |
|
814 | PyErr_NoMemory(); | |
815 | return NULL; |
|
815 | return NULL; | |
816 | } |
|
816 | } | |
817 |
|
817 | |||
818 | for (i = 0; i < numphases; ++i) { |
|
818 | for (i = 0; i < numphases; ++i) { | |
819 | pyphase = PyInt_FromLong(trackedphases[i]); |
|
819 | pyphase = PyInt_FromLong(trackedphases[i]); | |
820 | if (pyphase == NULL) |
|
820 | if (pyphase == NULL) | |
821 | goto release; |
|
821 | goto release; | |
822 | phaseroots = PyDict_GetItem(roots, pyphase); |
|
822 | phaseroots = PyDict_GetItem(roots, pyphase); | |
823 | Py_DECREF(pyphase); |
|
823 | Py_DECREF(pyphase); | |
824 | if (phaseroots == NULL) |
|
824 | if (phaseroots == NULL) | |
825 | continue; |
|
825 | continue; | |
826 | rev = add_roots_get_min(self, phaseroots, phases, |
|
826 | rev = add_roots_get_min(self, phaseroots, phases, | |
827 | trackedphases[i]); |
|
827 | trackedphases[i]); | |
828 | phaseroots = NULL; |
|
828 | phaseroots = NULL; | |
829 | if (rev == -2) |
|
829 | if (rev == -2) | |
830 | goto release; |
|
830 | goto release; | |
831 | if (rev != -1 && (minphaserev == -1 || rev < minphaserev)) |
|
831 | if (rev != -1 && (minphaserev == -1 || rev < minphaserev)) | |
832 | minphaserev = rev; |
|
832 | minphaserev = rev; | |
833 | } |
|
833 | } | |
834 |
|
834 | |||
835 | for (i = 0; i < numphases; ++i) { |
|
835 | for (i = 0; i < numphases; ++i) { | |
836 | phasesets[i] = PySet_New(NULL); |
|
836 | phasesets[i] = PySet_New(NULL); | |
837 | if (phasesets[i] == NULL) |
|
837 | if (phasesets[i] == NULL) | |
838 | goto release; |
|
838 | goto release; | |
839 | } |
|
839 | } | |
840 |
|
840 | |||
841 | if (minphaserev == -1) |
|
841 | if (minphaserev == -1) | |
842 | minphaserev = len; |
|
842 | minphaserev = len; | |
843 | for (rev = minphaserev; rev < len; ++rev) { |
|
843 | for (rev = minphaserev; rev < len; ++rev) { | |
844 | int parents[2]; |
|
844 | int parents[2]; | |
845 | /* |
|
845 | /* | |
846 | * The parent lookup could be skipped for phaseroots, but |
|
846 | * The parent lookup could be skipped for phaseroots, but | |
847 | * phase --force would historically not recompute them |
|
847 | * phase --force would historically not recompute them | |
848 | * correctly, leaving descendents with a lower phase around. |
|
848 | * correctly, leaving descendents with a lower phase around. | |
849 | * As such, unconditionally recompute the phase. |
|
849 | * As such, unconditionally recompute the phase. | |
850 | */ |
|
850 | */ | |
851 | if (index_get_parents(self, rev, parents, (int)len - 1) < 0) |
|
851 | if (index_get_parents(self, rev, parents, (int)len - 1) < 0) | |
852 | goto release; |
|
852 | goto release; | |
853 | set_phase_from_parents(phases, parents[0], parents[1], rev); |
|
853 | set_phase_from_parents(phases, parents[0], parents[1], rev); | |
854 | switch (phases[rev]) { |
|
854 | switch (phases[rev]) { | |
855 | case 0: |
|
855 | case 0: | |
856 | continue; |
|
856 | continue; | |
857 | case 1: |
|
857 | case 1: | |
858 | pyphase = phasesets[0]; |
|
858 | pyphase = phasesets[0]; | |
859 | break; |
|
859 | break; | |
860 | case 2: |
|
860 | case 2: | |
861 | pyphase = phasesets[1]; |
|
861 | pyphase = phasesets[1]; | |
862 | break; |
|
862 | break; | |
863 | case 32: |
|
863 | case 32: | |
864 | pyphase = phasesets[2]; |
|
864 | pyphase = phasesets[2]; | |
865 | break; |
|
865 | break; | |
866 | case 96: |
|
866 | case 96: | |
867 | pyphase = phasesets[3]; |
|
867 | pyphase = phasesets[3]; | |
868 | break; |
|
868 | break; | |
869 | default: |
|
869 | default: | |
|
870 | /* this should never happen since the phase number is | |||
|
871 | * specified by this function. */ | |||
|
872 | PyErr_SetString(PyExc_SystemError, | |||
|
873 | "bad phase number in internal list"); | |||
870 | goto release; |
|
874 | goto release; | |
871 | } |
|
875 | } | |
872 | pyrev = PyInt_FromLong(rev); |
|
876 | pyrev = PyInt_FromLong(rev); | |
873 | if (pyrev == NULL) |
|
877 | if (pyrev == NULL) | |
874 | goto release; |
|
878 | goto release; | |
875 | if (PySet_Add(pyphase, pyrev) == -1) { |
|
879 | if (PySet_Add(pyphase, pyrev) == -1) { | |
876 | Py_DECREF(pyrev); |
|
880 | Py_DECREF(pyrev); | |
877 | goto release; |
|
881 | goto release; | |
878 | } |
|
882 | } | |
879 | Py_DECREF(pyrev); |
|
883 | Py_DECREF(pyrev); | |
880 | } |
|
884 | } | |
881 | phaseroots = _dict_new_presized(numphases); |
|
885 | phaseroots = _dict_new_presized(numphases); | |
882 | if (phaseroots == NULL) |
|
886 | if (phaseroots == NULL) | |
883 | goto release; |
|
887 | goto release; | |
884 | for (i = 0; i < numphases; ++i) { |
|
888 | for (i = 0; i < numphases; ++i) { | |
885 | pyphase = PyInt_FromLong(trackedphases[i]); |
|
889 | pyphase = PyInt_FromLong(trackedphases[i]); | |
886 | if (pyphase == NULL) |
|
890 | if (pyphase == NULL) | |
887 | goto release; |
|
891 | goto release; | |
888 | if (PyDict_SetItem(phaseroots, pyphase, phasesets[i]) == -1) { |
|
892 | if (PyDict_SetItem(phaseroots, pyphase, phasesets[i]) == -1) { | |
889 | Py_DECREF(pyphase); |
|
893 | Py_DECREF(pyphase); | |
890 | goto release; |
|
894 | goto release; | |
891 | } |
|
895 | } | |
892 | Py_DECREF(phasesets[i]); |
|
896 | Py_DECREF(phasesets[i]); | |
893 | phasesets[i] = NULL; |
|
897 | phasesets[i] = NULL; | |
894 | } |
|
898 | } | |
895 | phasessize = PyInt_FromSsize_t(len); |
|
899 | phasessize = PyInt_FromSsize_t(len); | |
896 | if (phasessize == NULL) |
|
900 | if (phasessize == NULL) | |
897 | goto release; |
|
901 | goto release; | |
898 |
|
902 | |||
899 | ret = PyTuple_Pack(2, phasessize, phaseroots); |
|
903 | ret = PyTuple_Pack(2, phasessize, phaseroots); | |
900 | Py_DECREF(phasessize); |
|
904 | Py_DECREF(phasessize); | |
901 | Py_DECREF(phaseroots); |
|
905 | Py_DECREF(phaseroots); | |
902 | return ret; |
|
906 | return ret; | |
903 |
|
907 | |||
904 | release: |
|
908 | release: | |
905 | for (i = 0; i < numphases; ++i) |
|
909 | for (i = 0; i < numphases; ++i) | |
906 | Py_XDECREF(phasesets[i]); |
|
910 | Py_XDECREF(phasesets[i]); | |
907 | Py_XDECREF(phaseroots); |
|
911 | Py_XDECREF(phaseroots); | |
908 |
|
912 | |||
909 | free(phases); |
|
913 | free(phases); | |
910 | return NULL; |
|
914 | return NULL; | |
911 | } |
|
915 | } | |
912 |
|
916 | |||
913 | static PyObject *index_headrevs(indexObject *self, PyObject *args) |
|
917 | static PyObject *index_headrevs(indexObject *self, PyObject *args) | |
914 | { |
|
918 | { | |
915 | Py_ssize_t i, j, len; |
|
919 | Py_ssize_t i, j, len; | |
916 | char *nothead = NULL; |
|
920 | char *nothead = NULL; | |
917 | PyObject *heads = NULL; |
|
921 | PyObject *heads = NULL; | |
918 | PyObject *filter = NULL; |
|
922 | PyObject *filter = NULL; | |
919 | PyObject *filteredrevs = Py_None; |
|
923 | PyObject *filteredrevs = Py_None; | |
920 |
|
924 | |||
921 | if (!PyArg_ParseTuple(args, "|O", &filteredrevs)) { |
|
925 | if (!PyArg_ParseTuple(args, "|O", &filteredrevs)) { | |
922 | return NULL; |
|
926 | return NULL; | |
923 | } |
|
927 | } | |
924 |
|
928 | |||
925 | if (self->headrevs && filteredrevs == self->filteredrevs) |
|
929 | if (self->headrevs && filteredrevs == self->filteredrevs) | |
926 | return list_copy(self->headrevs); |
|
930 | return list_copy(self->headrevs); | |
927 |
|
931 | |||
928 | Py_DECREF(self->filteredrevs); |
|
932 | Py_DECREF(self->filteredrevs); | |
929 | self->filteredrevs = filteredrevs; |
|
933 | self->filteredrevs = filteredrevs; | |
930 | Py_INCREF(filteredrevs); |
|
934 | Py_INCREF(filteredrevs); | |
931 |
|
935 | |||
932 | if (filteredrevs != Py_None) { |
|
936 | if (filteredrevs != Py_None) { | |
933 | filter = PyObject_GetAttrString(filteredrevs, "__contains__"); |
|
937 | filter = PyObject_GetAttrString(filteredrevs, "__contains__"); | |
934 | if (!filter) { |
|
938 | if (!filter) { | |
935 | PyErr_SetString( |
|
939 | PyErr_SetString( | |
936 | PyExc_TypeError, |
|
940 | PyExc_TypeError, | |
937 | "filteredrevs has no attribute __contains__"); |
|
941 | "filteredrevs has no attribute __contains__"); | |
938 | goto bail; |
|
942 | goto bail; | |
939 | } |
|
943 | } | |
940 | } |
|
944 | } | |
941 |
|
945 | |||
942 | len = index_length(self); |
|
946 | len = index_length(self); | |
943 | heads = PyList_New(0); |
|
947 | heads = PyList_New(0); | |
944 | if (heads == NULL) |
|
948 | if (heads == NULL) | |
945 | goto bail; |
|
949 | goto bail; | |
946 | if (len == 0) { |
|
950 | if (len == 0) { | |
947 | PyObject *nullid = PyInt_FromLong(-1); |
|
951 | PyObject *nullid = PyInt_FromLong(-1); | |
948 | if (nullid == NULL || PyList_Append(heads, nullid) == -1) { |
|
952 | if (nullid == NULL || PyList_Append(heads, nullid) == -1) { | |
949 | Py_XDECREF(nullid); |
|
953 | Py_XDECREF(nullid); | |
950 | goto bail; |
|
954 | goto bail; | |
951 | } |
|
955 | } | |
952 | goto done; |
|
956 | goto done; | |
953 | } |
|
957 | } | |
954 |
|
958 | |||
955 | nothead = calloc(len, 1); |
|
959 | nothead = calloc(len, 1); | |
956 | if (nothead == NULL) { |
|
960 | if (nothead == NULL) { | |
957 | PyErr_NoMemory(); |
|
961 | PyErr_NoMemory(); | |
958 | goto bail; |
|
962 | goto bail; | |
959 | } |
|
963 | } | |
960 |
|
964 | |||
961 | for (i = len - 1; i >= 0; i--) { |
|
965 | for (i = len - 1; i >= 0; i--) { | |
962 | int isfiltered; |
|
966 | int isfiltered; | |
963 | int parents[2]; |
|
967 | int parents[2]; | |
964 |
|
968 | |||
965 | /* If nothead[i] == 1, it means we've seen an unfiltered child |
|
969 | /* If nothead[i] == 1, it means we've seen an unfiltered child | |
966 | * of this node already, and therefore this node is not |
|
970 | * of this node already, and therefore this node is not | |
967 | * filtered. So we can skip the expensive check_filter step. |
|
971 | * filtered. So we can skip the expensive check_filter step. | |
968 | */ |
|
972 | */ | |
969 | if (nothead[i] != 1) { |
|
973 | if (nothead[i] != 1) { | |
970 | isfiltered = check_filter(filter, i); |
|
974 | isfiltered = check_filter(filter, i); | |
971 | if (isfiltered == -1) { |
|
975 | if (isfiltered == -1) { | |
972 | PyErr_SetString(PyExc_TypeError, |
|
976 | PyErr_SetString(PyExc_TypeError, | |
973 | "unable to check filter"); |
|
977 | "unable to check filter"); | |
974 | goto bail; |
|
978 | goto bail; | |
975 | } |
|
979 | } | |
976 |
|
980 | |||
977 | if (isfiltered) { |
|
981 | if (isfiltered) { | |
978 | nothead[i] = 1; |
|
982 | nothead[i] = 1; | |
979 | continue; |
|
983 | continue; | |
980 | } |
|
984 | } | |
981 | } |
|
985 | } | |
982 |
|
986 | |||
983 | if (index_get_parents(self, i, parents, (int)len - 1) < 0) |
|
987 | if (index_get_parents(self, i, parents, (int)len - 1) < 0) | |
984 | goto bail; |
|
988 | goto bail; | |
985 | for (j = 0; j < 2; j++) { |
|
989 | for (j = 0; j < 2; j++) { | |
986 | if (parents[j] >= 0) |
|
990 | if (parents[j] >= 0) | |
987 | nothead[parents[j]] = 1; |
|
991 | nothead[parents[j]] = 1; | |
988 | } |
|
992 | } | |
989 | } |
|
993 | } | |
990 |
|
994 | |||
991 | for (i = 0; i < len; i++) { |
|
995 | for (i = 0; i < len; i++) { | |
992 | PyObject *head; |
|
996 | PyObject *head; | |
993 |
|
997 | |||
994 | if (nothead[i]) |
|
998 | if (nothead[i]) | |
995 | continue; |
|
999 | continue; | |
996 | head = PyInt_FromSsize_t(i); |
|
1000 | head = PyInt_FromSsize_t(i); | |
997 | if (head == NULL || PyList_Append(heads, head) == -1) { |
|
1001 | if (head == NULL || PyList_Append(heads, head) == -1) { | |
998 | Py_XDECREF(head); |
|
1002 | Py_XDECREF(head); | |
999 | goto bail; |
|
1003 | goto bail; | |
1000 | } |
|
1004 | } | |
1001 | } |
|
1005 | } | |
1002 |
|
1006 | |||
1003 | done: |
|
1007 | done: | |
1004 | self->headrevs = heads; |
|
1008 | self->headrevs = heads; | |
1005 | Py_XDECREF(filter); |
|
1009 | Py_XDECREF(filter); | |
1006 | free(nothead); |
|
1010 | free(nothead); | |
1007 | return list_copy(self->headrevs); |
|
1011 | return list_copy(self->headrevs); | |
1008 | bail: |
|
1012 | bail: | |
1009 | Py_XDECREF(filter); |
|
1013 | Py_XDECREF(filter); | |
1010 | Py_XDECREF(heads); |
|
1014 | Py_XDECREF(heads); | |
1011 | free(nothead); |
|
1015 | free(nothead); | |
1012 | return NULL; |
|
1016 | return NULL; | |
1013 | } |
|
1017 | } | |
1014 |
|
1018 | |||
1015 | /** |
|
1019 | /** | |
1016 | * Obtain the base revision index entry. |
|
1020 | * Obtain the base revision index entry. | |
1017 | * |
|
1021 | * | |
1018 | * Callers must ensure that rev >= 0 or illegal memory access may occur. |
|
1022 | * Callers must ensure that rev >= 0 or illegal memory access may occur. | |
1019 | */ |
|
1023 | */ | |
1020 | static inline int index_baserev(indexObject *self, int rev) |
|
1024 | static inline int index_baserev(indexObject *self, int rev) | |
1021 | { |
|
1025 | { | |
1022 | const char *data; |
|
1026 | const char *data; | |
1023 | int result; |
|
1027 | int result; | |
1024 |
|
1028 | |||
1025 | if (rev >= self->length) { |
|
1029 | if (rev >= self->length) { | |
1026 | PyObject *tuple = |
|
1030 | PyObject *tuple = | |
1027 | PyList_GET_ITEM(self->added, rev - self->length); |
|
1031 | PyList_GET_ITEM(self->added, rev - self->length); | |
1028 | long ret; |
|
1032 | long ret; | |
1029 | if (!pylong_to_long(PyTuple_GET_ITEM(tuple, 3), &ret)) { |
|
1033 | if (!pylong_to_long(PyTuple_GET_ITEM(tuple, 3), &ret)) { | |
1030 | return -2; |
|
1034 | return -2; | |
1031 | } |
|
1035 | } | |
1032 | result = (int)ret; |
|
1036 | result = (int)ret; | |
1033 | } else { |
|
1037 | } else { | |
1034 | data = index_deref(self, rev); |
|
1038 | data = index_deref(self, rev); | |
1035 | if (data == NULL) { |
|
1039 | if (data == NULL) { | |
1036 | return -2; |
|
1040 | return -2; | |
1037 | } |
|
1041 | } | |
1038 |
|
1042 | |||
1039 | result = getbe32(data + 16); |
|
1043 | result = getbe32(data + 16); | |
1040 | } |
|
1044 | } | |
1041 | if (result > rev) { |
|
1045 | if (result > rev) { | |
1042 | PyErr_Format( |
|
1046 | PyErr_Format( | |
1043 | PyExc_ValueError, |
|
1047 | PyExc_ValueError, | |
1044 | "corrupted revlog, revision base above revision: %d, %d", |
|
1048 | "corrupted revlog, revision base above revision: %d, %d", | |
1045 | rev, result); |
|
1049 | rev, result); | |
1046 | return -2; |
|
1050 | return -2; | |
1047 | } |
|
1051 | } | |
1048 | if (result < -1) { |
|
1052 | if (result < -1) { | |
1049 | PyErr_Format( |
|
1053 | PyErr_Format( | |
1050 | PyExc_ValueError, |
|
1054 | PyExc_ValueError, | |
1051 | "corrupted revlog, revision base out of range: %d, %d", rev, |
|
1055 | "corrupted revlog, revision base out of range: %d, %d", rev, | |
1052 | result); |
|
1056 | result); | |
1053 | return -2; |
|
1057 | return -2; | |
1054 | } |
|
1058 | } | |
1055 | return result; |
|
1059 | return result; | |
1056 | } |
|
1060 | } | |
1057 |
|
1061 | |||
1058 | /** |
|
1062 | /** | |
1059 | * Find if a revision is a snapshot or not |
|
1063 | * Find if a revision is a snapshot or not | |
1060 | * |
|
1064 | * | |
1061 | * Only relevant for sparse-revlog case. |
|
1065 | * Only relevant for sparse-revlog case. | |
1062 | * Callers must ensure that rev is in a valid range. |
|
1066 | * Callers must ensure that rev is in a valid range. | |
1063 | */ |
|
1067 | */ | |
1064 | static int index_issnapshotrev(indexObject *self, Py_ssize_t rev) |
|
1068 | static int index_issnapshotrev(indexObject *self, Py_ssize_t rev) | |
1065 | { |
|
1069 | { | |
1066 | int ps[2]; |
|
1070 | int ps[2]; | |
1067 | Py_ssize_t base; |
|
1071 | Py_ssize_t base; | |
1068 | while (rev >= 0) { |
|
1072 | while (rev >= 0) { | |
1069 | base = (Py_ssize_t)index_baserev(self, rev); |
|
1073 | base = (Py_ssize_t)index_baserev(self, rev); | |
1070 | if (base == rev) { |
|
1074 | if (base == rev) { | |
1071 | base = -1; |
|
1075 | base = -1; | |
1072 | } |
|
1076 | } | |
1073 | if (base == -2) { |
|
1077 | if (base == -2) { | |
1074 | assert(PyErr_Occurred()); |
|
1078 | assert(PyErr_Occurred()); | |
1075 | return -1; |
|
1079 | return -1; | |
1076 | } |
|
1080 | } | |
1077 | if (base == -1) { |
|
1081 | if (base == -1) { | |
1078 | return 1; |
|
1082 | return 1; | |
1079 | } |
|
1083 | } | |
1080 | if (index_get_parents(self, rev, ps, (int)rev) < 0) { |
|
1084 | if (index_get_parents(self, rev, ps, (int)rev) < 0) { | |
1081 | assert(PyErr_Occurred()); |
|
1085 | assert(PyErr_Occurred()); | |
1082 | return -1; |
|
1086 | return -1; | |
1083 | }; |
|
1087 | }; | |
1084 | if (base == ps[0] || base == ps[1]) { |
|
1088 | if (base == ps[0] || base == ps[1]) { | |
1085 | return 0; |
|
1089 | return 0; | |
1086 | } |
|
1090 | } | |
1087 | rev = base; |
|
1091 | rev = base; | |
1088 | } |
|
1092 | } | |
1089 | return rev == -1; |
|
1093 | return rev == -1; | |
1090 | } |
|
1094 | } | |
1091 |
|
1095 | |||
1092 | static PyObject *index_issnapshot(indexObject *self, PyObject *value) |
|
1096 | static PyObject *index_issnapshot(indexObject *self, PyObject *value) | |
1093 | { |
|
1097 | { | |
1094 | long rev; |
|
1098 | long rev; | |
1095 | int issnap; |
|
1099 | int issnap; | |
1096 | Py_ssize_t length = index_length(self); |
|
1100 | Py_ssize_t length = index_length(self); | |
1097 |
|
1101 | |||
1098 | if (!pylong_to_long(value, &rev)) { |
|
1102 | if (!pylong_to_long(value, &rev)) { | |
1099 | return NULL; |
|
1103 | return NULL; | |
1100 | } |
|
1104 | } | |
1101 | if (rev < -1 || rev >= length) { |
|
1105 | if (rev < -1 || rev >= length) { | |
1102 | PyErr_Format(PyExc_ValueError, "revlog index out of range: %ld", |
|
1106 | PyErr_Format(PyExc_ValueError, "revlog index out of range: %ld", | |
1103 | rev); |
|
1107 | rev); | |
1104 | return NULL; |
|
1108 | return NULL; | |
1105 | }; |
|
1109 | }; | |
1106 | issnap = index_issnapshotrev(self, (Py_ssize_t)rev); |
|
1110 | issnap = index_issnapshotrev(self, (Py_ssize_t)rev); | |
1107 | if (issnap < 0) { |
|
1111 | if (issnap < 0) { | |
1108 | return NULL; |
|
1112 | return NULL; | |
1109 | }; |
|
1113 | }; | |
1110 | return PyBool_FromLong((long)issnap); |
|
1114 | return PyBool_FromLong((long)issnap); | |
1111 | } |
|
1115 | } | |
1112 |
|
1116 | |||
1113 | static PyObject *index_findsnapshots(indexObject *self, PyObject *args) |
|
1117 | static PyObject *index_findsnapshots(indexObject *self, PyObject *args) | |
1114 | { |
|
1118 | { | |
1115 | Py_ssize_t start_rev; |
|
1119 | Py_ssize_t start_rev; | |
1116 | PyObject *cache; |
|
1120 | PyObject *cache; | |
1117 | Py_ssize_t base; |
|
1121 | Py_ssize_t base; | |
1118 | Py_ssize_t rev; |
|
1122 | Py_ssize_t rev; | |
1119 | PyObject *key = NULL; |
|
1123 | PyObject *key = NULL; | |
1120 | PyObject *value = NULL; |
|
1124 | PyObject *value = NULL; | |
1121 | const Py_ssize_t length = index_length(self); |
|
1125 | const Py_ssize_t length = index_length(self); | |
1122 | if (!PyArg_ParseTuple(args, "O!n", &PyDict_Type, &cache, &start_rev)) { |
|
1126 | if (!PyArg_ParseTuple(args, "O!n", &PyDict_Type, &cache, &start_rev)) { | |
1123 | return NULL; |
|
1127 | return NULL; | |
1124 | } |
|
1128 | } | |
1125 | for (rev = start_rev; rev < length; rev++) { |
|
1129 | for (rev = start_rev; rev < length; rev++) { | |
1126 | int issnap; |
|
1130 | int issnap; | |
1127 | PyObject *allvalues = NULL; |
|
1131 | PyObject *allvalues = NULL; | |
1128 | issnap = index_issnapshotrev(self, rev); |
|
1132 | issnap = index_issnapshotrev(self, rev); | |
1129 | if (issnap < 0) { |
|
1133 | if (issnap < 0) { | |
1130 | goto bail; |
|
1134 | goto bail; | |
1131 | } |
|
1135 | } | |
1132 | if (issnap == 0) { |
|
1136 | if (issnap == 0) { | |
1133 | continue; |
|
1137 | continue; | |
1134 | } |
|
1138 | } | |
1135 | base = (Py_ssize_t)index_baserev(self, rev); |
|
1139 | base = (Py_ssize_t)index_baserev(self, rev); | |
1136 | if (base == rev) { |
|
1140 | if (base == rev) { | |
1137 | base = -1; |
|
1141 | base = -1; | |
1138 | } |
|
1142 | } | |
1139 | if (base == -2) { |
|
1143 | if (base == -2) { | |
1140 | assert(PyErr_Occurred()); |
|
1144 | assert(PyErr_Occurred()); | |
1141 | goto bail; |
|
1145 | goto bail; | |
1142 | } |
|
1146 | } | |
1143 | key = PyInt_FromSsize_t(base); |
|
1147 | key = PyInt_FromSsize_t(base); | |
1144 | allvalues = PyDict_GetItem(cache, key); |
|
1148 | allvalues = PyDict_GetItem(cache, key); | |
1145 | if (allvalues == NULL && PyErr_Occurred()) { |
|
1149 | if (allvalues == NULL && PyErr_Occurred()) { | |
1146 | goto bail; |
|
1150 | goto bail; | |
1147 | } |
|
1151 | } | |
1148 | if (allvalues == NULL) { |
|
1152 | if (allvalues == NULL) { | |
1149 | int r; |
|
1153 | int r; | |
1150 | allvalues = PyList_New(0); |
|
1154 | allvalues = PyList_New(0); | |
1151 | if (!allvalues) { |
|
1155 | if (!allvalues) { | |
1152 | goto bail; |
|
1156 | goto bail; | |
1153 | } |
|
1157 | } | |
1154 | r = PyDict_SetItem(cache, key, allvalues); |
|
1158 | r = PyDict_SetItem(cache, key, allvalues); | |
1155 | Py_DECREF(allvalues); |
|
1159 | Py_DECREF(allvalues); | |
1156 | if (r < 0) { |
|
1160 | if (r < 0) { | |
1157 | goto bail; |
|
1161 | goto bail; | |
1158 | } |
|
1162 | } | |
1159 | } |
|
1163 | } | |
1160 | value = PyInt_FromSsize_t(rev); |
|
1164 | value = PyInt_FromSsize_t(rev); | |
1161 | if (PyList_Append(allvalues, value)) { |
|
1165 | if (PyList_Append(allvalues, value)) { | |
1162 | goto bail; |
|
1166 | goto bail; | |
1163 | } |
|
1167 | } | |
1164 | Py_CLEAR(key); |
|
1168 | Py_CLEAR(key); | |
1165 | Py_CLEAR(value); |
|
1169 | Py_CLEAR(value); | |
1166 | } |
|
1170 | } | |
1167 | Py_RETURN_NONE; |
|
1171 | Py_RETURN_NONE; | |
1168 | bail: |
|
1172 | bail: | |
1169 | Py_XDECREF(key); |
|
1173 | Py_XDECREF(key); | |
1170 | Py_XDECREF(value); |
|
1174 | Py_XDECREF(value); | |
1171 | return NULL; |
|
1175 | return NULL; | |
1172 | } |
|
1176 | } | |
1173 |
|
1177 | |||
1174 | static PyObject *index_deltachain(indexObject *self, PyObject *args) |
|
1178 | static PyObject *index_deltachain(indexObject *self, PyObject *args) | |
1175 | { |
|
1179 | { | |
1176 | int rev, generaldelta; |
|
1180 | int rev, generaldelta; | |
1177 | PyObject *stoparg; |
|
1181 | PyObject *stoparg; | |
1178 | int stoprev, iterrev, baserev = -1; |
|
1182 | int stoprev, iterrev, baserev = -1; | |
1179 | int stopped; |
|
1183 | int stopped; | |
1180 | PyObject *chain = NULL, *result = NULL; |
|
1184 | PyObject *chain = NULL, *result = NULL; | |
1181 | const Py_ssize_t length = index_length(self); |
|
1185 | const Py_ssize_t length = index_length(self); | |
1182 |
|
1186 | |||
1183 | if (!PyArg_ParseTuple(args, "iOi", &rev, &stoparg, &generaldelta)) { |
|
1187 | if (!PyArg_ParseTuple(args, "iOi", &rev, &stoparg, &generaldelta)) { | |
1184 | return NULL; |
|
1188 | return NULL; | |
1185 | } |
|
1189 | } | |
1186 |
|
1190 | |||
1187 | if (PyInt_Check(stoparg)) { |
|
1191 | if (PyInt_Check(stoparg)) { | |
1188 | stoprev = (int)PyInt_AsLong(stoparg); |
|
1192 | stoprev = (int)PyInt_AsLong(stoparg); | |
1189 | if (stoprev == -1 && PyErr_Occurred()) { |
|
1193 | if (stoprev == -1 && PyErr_Occurred()) { | |
1190 | return NULL; |
|
1194 | return NULL; | |
1191 | } |
|
1195 | } | |
1192 | } else if (stoparg == Py_None) { |
|
1196 | } else if (stoparg == Py_None) { | |
1193 | stoprev = -2; |
|
1197 | stoprev = -2; | |
1194 | } else { |
|
1198 | } else { | |
1195 | PyErr_SetString(PyExc_ValueError, |
|
1199 | PyErr_SetString(PyExc_ValueError, | |
1196 | "stoprev must be integer or None"); |
|
1200 | "stoprev must be integer or None"); | |
1197 | return NULL; |
|
1201 | return NULL; | |
1198 | } |
|
1202 | } | |
1199 |
|
1203 | |||
1200 | if (rev < 0 || rev >= length) { |
|
1204 | if (rev < 0 || rev >= length) { | |
1201 | PyErr_SetString(PyExc_ValueError, "revlog index out of range"); |
|
1205 | PyErr_SetString(PyExc_ValueError, "revlog index out of range"); | |
1202 | return NULL; |
|
1206 | return NULL; | |
1203 | } |
|
1207 | } | |
1204 |
|
1208 | |||
1205 | chain = PyList_New(0); |
|
1209 | chain = PyList_New(0); | |
1206 | if (chain == NULL) { |
|
1210 | if (chain == NULL) { | |
1207 | return NULL; |
|
1211 | return NULL; | |
1208 | } |
|
1212 | } | |
1209 |
|
1213 | |||
1210 | baserev = index_baserev(self, rev); |
|
1214 | baserev = index_baserev(self, rev); | |
1211 |
|
1215 | |||
1212 | /* This should never happen. */ |
|
1216 | /* This should never happen. */ | |
1213 | if (baserev <= -2) { |
|
1217 | if (baserev <= -2) { | |
1214 | /* Error should be set by index_deref() */ |
|
1218 | /* Error should be set by index_deref() */ | |
1215 | assert(PyErr_Occurred()); |
|
1219 | assert(PyErr_Occurred()); | |
1216 | goto bail; |
|
1220 | goto bail; | |
1217 | } |
|
1221 | } | |
1218 |
|
1222 | |||
1219 | iterrev = rev; |
|
1223 | iterrev = rev; | |
1220 |
|
1224 | |||
1221 | while (iterrev != baserev && iterrev != stoprev) { |
|
1225 | while (iterrev != baserev && iterrev != stoprev) { | |
1222 | PyObject *value = PyInt_FromLong(iterrev); |
|
1226 | PyObject *value = PyInt_FromLong(iterrev); | |
1223 | if (value == NULL) { |
|
1227 | if (value == NULL) { | |
1224 | goto bail; |
|
1228 | goto bail; | |
1225 | } |
|
1229 | } | |
1226 | if (PyList_Append(chain, value)) { |
|
1230 | if (PyList_Append(chain, value)) { | |
1227 | Py_DECREF(value); |
|
1231 | Py_DECREF(value); | |
1228 | goto bail; |
|
1232 | goto bail; | |
1229 | } |
|
1233 | } | |
1230 | Py_DECREF(value); |
|
1234 | Py_DECREF(value); | |
1231 |
|
1235 | |||
1232 | if (generaldelta) { |
|
1236 | if (generaldelta) { | |
1233 | iterrev = baserev; |
|
1237 | iterrev = baserev; | |
1234 | } else { |
|
1238 | } else { | |
1235 | iterrev--; |
|
1239 | iterrev--; | |
1236 | } |
|
1240 | } | |
1237 |
|
1241 | |||
1238 | if (iterrev < 0) { |
|
1242 | if (iterrev < 0) { | |
1239 | break; |
|
1243 | break; | |
1240 | } |
|
1244 | } | |
1241 |
|
1245 | |||
1242 | if (iterrev >= length) { |
|
1246 | if (iterrev >= length) { | |
1243 | PyErr_SetString(PyExc_IndexError, |
|
1247 | PyErr_SetString(PyExc_IndexError, | |
1244 | "revision outside index"); |
|
1248 | "revision outside index"); | |
1245 | return NULL; |
|
1249 | return NULL; | |
1246 | } |
|
1250 | } | |
1247 |
|
1251 | |||
1248 | baserev = index_baserev(self, iterrev); |
|
1252 | baserev = index_baserev(self, iterrev); | |
1249 |
|
1253 | |||
1250 | /* This should never happen. */ |
|
1254 | /* This should never happen. */ | |
1251 | if (baserev <= -2) { |
|
1255 | if (baserev <= -2) { | |
1252 | /* Error should be set by index_deref() */ |
|
1256 | /* Error should be set by index_deref() */ | |
1253 | assert(PyErr_Occurred()); |
|
1257 | assert(PyErr_Occurred()); | |
1254 | goto bail; |
|
1258 | goto bail; | |
1255 | } |
|
1259 | } | |
1256 | } |
|
1260 | } | |
1257 |
|
1261 | |||
1258 | if (iterrev == stoprev) { |
|
1262 | if (iterrev == stoprev) { | |
1259 | stopped = 1; |
|
1263 | stopped = 1; | |
1260 | } else { |
|
1264 | } else { | |
1261 | PyObject *value = PyInt_FromLong(iterrev); |
|
1265 | PyObject *value = PyInt_FromLong(iterrev); | |
1262 | if (value == NULL) { |
|
1266 | if (value == NULL) { | |
1263 | goto bail; |
|
1267 | goto bail; | |
1264 | } |
|
1268 | } | |
1265 | if (PyList_Append(chain, value)) { |
|
1269 | if (PyList_Append(chain, value)) { | |
1266 | Py_DECREF(value); |
|
1270 | Py_DECREF(value); | |
1267 | goto bail; |
|
1271 | goto bail; | |
1268 | } |
|
1272 | } | |
1269 | Py_DECREF(value); |
|
1273 | Py_DECREF(value); | |
1270 |
|
1274 | |||
1271 | stopped = 0; |
|
1275 | stopped = 0; | |
1272 | } |
|
1276 | } | |
1273 |
|
1277 | |||
1274 | if (PyList_Reverse(chain)) { |
|
1278 | if (PyList_Reverse(chain)) { | |
1275 | goto bail; |
|
1279 | goto bail; | |
1276 | } |
|
1280 | } | |
1277 |
|
1281 | |||
1278 | result = Py_BuildValue("OO", chain, stopped ? Py_True : Py_False); |
|
1282 | result = Py_BuildValue("OO", chain, stopped ? Py_True : Py_False); | |
1279 | Py_DECREF(chain); |
|
1283 | Py_DECREF(chain); | |
1280 | return result; |
|
1284 | return result; | |
1281 |
|
1285 | |||
1282 | bail: |
|
1286 | bail: | |
1283 | Py_DECREF(chain); |
|
1287 | Py_DECREF(chain); | |
1284 | return NULL; |
|
1288 | return NULL; | |
1285 | } |
|
1289 | } | |
1286 |
|
1290 | |||
1287 | static inline int64_t |
|
1291 | static inline int64_t | |
1288 | index_segment_span(indexObject *self, Py_ssize_t start_rev, Py_ssize_t end_rev) |
|
1292 | index_segment_span(indexObject *self, Py_ssize_t start_rev, Py_ssize_t end_rev) | |
1289 | { |
|
1293 | { | |
1290 | int64_t start_offset; |
|
1294 | int64_t start_offset; | |
1291 | int64_t end_offset; |
|
1295 | int64_t end_offset; | |
1292 | int end_size; |
|
1296 | int end_size; | |
1293 | start_offset = index_get_start(self, start_rev); |
|
1297 | start_offset = index_get_start(self, start_rev); | |
1294 | if (start_offset < 0) { |
|
1298 | if (start_offset < 0) { | |
1295 | return -1; |
|
1299 | return -1; | |
1296 | } |
|
1300 | } | |
1297 | end_offset = index_get_start(self, end_rev); |
|
1301 | end_offset = index_get_start(self, end_rev); | |
1298 | if (end_offset < 0) { |
|
1302 | if (end_offset < 0) { | |
1299 | return -1; |
|
1303 | return -1; | |
1300 | } |
|
1304 | } | |
1301 | end_size = index_get_length(self, end_rev); |
|
1305 | end_size = index_get_length(self, end_rev); | |
1302 | if (end_size < 0) { |
|
1306 | if (end_size < 0) { | |
1303 | return -1; |
|
1307 | return -1; | |
1304 | } |
|
1308 | } | |
1305 | if (end_offset < start_offset) { |
|
1309 | if (end_offset < start_offset) { | |
1306 | PyErr_Format(PyExc_ValueError, |
|
1310 | PyErr_Format(PyExc_ValueError, | |
1307 | "corrupted revlog index: inconsistent offset " |
|
1311 | "corrupted revlog index: inconsistent offset " | |
1308 | "between revisions (%zd) and (%zd)", |
|
1312 | "between revisions (%zd) and (%zd)", | |
1309 | start_rev, end_rev); |
|
1313 | start_rev, end_rev); | |
1310 | return -1; |
|
1314 | return -1; | |
1311 | } |
|
1315 | } | |
1312 | return (end_offset - start_offset) + (int64_t)end_size; |
|
1316 | return (end_offset - start_offset) + (int64_t)end_size; | |
1313 | } |
|
1317 | } | |
1314 |
|
1318 | |||
1315 | /* returns endidx so that revs[startidx:endidx] has no empty trailing revs */ |
|
1319 | /* returns endidx so that revs[startidx:endidx] has no empty trailing revs */ | |
1316 | static Py_ssize_t trim_endidx(indexObject *self, const Py_ssize_t *revs, |
|
1320 | static Py_ssize_t trim_endidx(indexObject *self, const Py_ssize_t *revs, | |
1317 | Py_ssize_t startidx, Py_ssize_t endidx) |
|
1321 | Py_ssize_t startidx, Py_ssize_t endidx) | |
1318 | { |
|
1322 | { | |
1319 | int length; |
|
1323 | int length; | |
1320 | while (endidx > 1 && endidx > startidx) { |
|
1324 | while (endidx > 1 && endidx > startidx) { | |
1321 | length = index_get_length(self, revs[endidx - 1]); |
|
1325 | length = index_get_length(self, revs[endidx - 1]); | |
1322 | if (length < 0) { |
|
1326 | if (length < 0) { | |
1323 | return -1; |
|
1327 | return -1; | |
1324 | } |
|
1328 | } | |
1325 | if (length != 0) { |
|
1329 | if (length != 0) { | |
1326 | break; |
|
1330 | break; | |
1327 | } |
|
1331 | } | |
1328 | endidx -= 1; |
|
1332 | endidx -= 1; | |
1329 | } |
|
1333 | } | |
1330 | return endidx; |
|
1334 | return endidx; | |
1331 | } |
|
1335 | } | |
1332 |
|
1336 | |||
1333 | struct Gap { |
|
1337 | struct Gap { | |
1334 | int64_t size; |
|
1338 | int64_t size; | |
1335 | Py_ssize_t idx; |
|
1339 | Py_ssize_t idx; | |
1336 | }; |
|
1340 | }; | |
1337 |
|
1341 | |||
1338 | static int gap_compare(const void *left, const void *right) |
|
1342 | static int gap_compare(const void *left, const void *right) | |
1339 | { |
|
1343 | { | |
1340 | const struct Gap *l_left = ((const struct Gap *)left); |
|
1344 | const struct Gap *l_left = ((const struct Gap *)left); | |
1341 | const struct Gap *l_right = ((const struct Gap *)right); |
|
1345 | const struct Gap *l_right = ((const struct Gap *)right); | |
1342 | if (l_left->size < l_right->size) { |
|
1346 | if (l_left->size < l_right->size) { | |
1343 | return -1; |
|
1347 | return -1; | |
1344 | } else if (l_left->size > l_right->size) { |
|
1348 | } else if (l_left->size > l_right->size) { | |
1345 | return 1; |
|
1349 | return 1; | |
1346 | } |
|
1350 | } | |
1347 | return 0; |
|
1351 | return 0; | |
1348 | } |
|
1352 | } | |
1349 | static int Py_ssize_t_compare(const void *left, const void *right) |
|
1353 | static int Py_ssize_t_compare(const void *left, const void *right) | |
1350 | { |
|
1354 | { | |
1351 | const Py_ssize_t l_left = *(const Py_ssize_t *)left; |
|
1355 | const Py_ssize_t l_left = *(const Py_ssize_t *)left; | |
1352 | const Py_ssize_t l_right = *(const Py_ssize_t *)right; |
|
1356 | const Py_ssize_t l_right = *(const Py_ssize_t *)right; | |
1353 | if (l_left < l_right) { |
|
1357 | if (l_left < l_right) { | |
1354 | return -1; |
|
1358 | return -1; | |
1355 | } else if (l_left > l_right) { |
|
1359 | } else if (l_left > l_right) { | |
1356 | return 1; |
|
1360 | return 1; | |
1357 | } |
|
1361 | } | |
1358 | return 0; |
|
1362 | return 0; | |
1359 | } |
|
1363 | } | |
1360 |
|
1364 | |||
1361 | static PyObject *index_slicechunktodensity(indexObject *self, PyObject *args) |
|
1365 | static PyObject *index_slicechunktodensity(indexObject *self, PyObject *args) | |
1362 | { |
|
1366 | { | |
1363 | /* method arguments */ |
|
1367 | /* method arguments */ | |
1364 | PyObject *list_revs = NULL; /* revisions in the chain */ |
|
1368 | PyObject *list_revs = NULL; /* revisions in the chain */ | |
1365 | double targetdensity = 0; /* min density to achieve */ |
|
1369 | double targetdensity = 0; /* min density to achieve */ | |
1366 | Py_ssize_t mingapsize = 0; /* threshold to ignore gaps */ |
|
1370 | Py_ssize_t mingapsize = 0; /* threshold to ignore gaps */ | |
1367 |
|
1371 | |||
1368 | /* other core variables */ |
|
1372 | /* other core variables */ | |
1369 | Py_ssize_t idxlen = index_length(self); |
|
1373 | Py_ssize_t idxlen = index_length(self); | |
1370 | Py_ssize_t i; /* used for various iteration */ |
|
1374 | Py_ssize_t i; /* used for various iteration */ | |
1371 | PyObject *result = NULL; /* the final return of the function */ |
|
1375 | PyObject *result = NULL; /* the final return of the function */ | |
1372 |
|
1376 | |||
1373 | /* generic information about the delta chain being slice */ |
|
1377 | /* generic information about the delta chain being slice */ | |
1374 | Py_ssize_t num_revs = 0; /* size of the full delta chain */ |
|
1378 | Py_ssize_t num_revs = 0; /* size of the full delta chain */ | |
1375 | Py_ssize_t *revs = NULL; /* native array of revision in the chain */ |
|
1379 | Py_ssize_t *revs = NULL; /* native array of revision in the chain */ | |
1376 | int64_t chainpayload = 0; /* sum of all delta in the chain */ |
|
1380 | int64_t chainpayload = 0; /* sum of all delta in the chain */ | |
1377 | int64_t deltachainspan = 0; /* distance from first byte to last byte */ |
|
1381 | int64_t deltachainspan = 0; /* distance from first byte to last byte */ | |
1378 |
|
1382 | |||
1379 | /* variable used for slicing the delta chain */ |
|
1383 | /* variable used for slicing the delta chain */ | |
1380 | int64_t readdata = 0; /* amount of data currently planned to be read */ |
|
1384 | int64_t readdata = 0; /* amount of data currently planned to be read */ | |
1381 | double density = 0; /* ration of payload data compared to read ones */ |
|
1385 | double density = 0; /* ration of payload data compared to read ones */ | |
1382 | int64_t previous_end; |
|
1386 | int64_t previous_end; | |
1383 | struct Gap *gaps = NULL; /* array of notable gap in the chain */ |
|
1387 | struct Gap *gaps = NULL; /* array of notable gap in the chain */ | |
1384 | Py_ssize_t num_gaps = |
|
1388 | Py_ssize_t num_gaps = | |
1385 | 0; /* total number of notable gap recorded so far */ |
|
1389 | 0; /* total number of notable gap recorded so far */ | |
1386 | Py_ssize_t *selected_indices = NULL; /* indices of gap skipped over */ |
|
1390 | Py_ssize_t *selected_indices = NULL; /* indices of gap skipped over */ | |
1387 | Py_ssize_t num_selected = 0; /* number of gaps skipped */ |
|
1391 | Py_ssize_t num_selected = 0; /* number of gaps skipped */ | |
1388 | PyObject *chunk = NULL; /* individual slice */ |
|
1392 | PyObject *chunk = NULL; /* individual slice */ | |
1389 | PyObject *allchunks = NULL; /* all slices */ |
|
1393 | PyObject *allchunks = NULL; /* all slices */ | |
1390 | Py_ssize_t previdx; |
|
1394 | Py_ssize_t previdx; | |
1391 |
|
1395 | |||
1392 | /* parsing argument */ |
|
1396 | /* parsing argument */ | |
1393 | if (!PyArg_ParseTuple(args, "O!dn", &PyList_Type, &list_revs, |
|
1397 | if (!PyArg_ParseTuple(args, "O!dn", &PyList_Type, &list_revs, | |
1394 | &targetdensity, &mingapsize)) { |
|
1398 | &targetdensity, &mingapsize)) { | |
1395 | goto bail; |
|
1399 | goto bail; | |
1396 | } |
|
1400 | } | |
1397 |
|
1401 | |||
1398 | /* If the delta chain contains a single element, we do not need slicing |
|
1402 | /* If the delta chain contains a single element, we do not need slicing | |
1399 | */ |
|
1403 | */ | |
1400 | num_revs = PyList_GET_SIZE(list_revs); |
|
1404 | num_revs = PyList_GET_SIZE(list_revs); | |
1401 | if (num_revs <= 1) { |
|
1405 | if (num_revs <= 1) { | |
1402 | result = PyTuple_Pack(1, list_revs); |
|
1406 | result = PyTuple_Pack(1, list_revs); | |
1403 | goto done; |
|
1407 | goto done; | |
1404 | } |
|
1408 | } | |
1405 |
|
1409 | |||
1406 | /* Turn the python list into a native integer array (for efficiency) */ |
|
1410 | /* Turn the python list into a native integer array (for efficiency) */ | |
1407 | revs = (Py_ssize_t *)calloc(num_revs, sizeof(Py_ssize_t)); |
|
1411 | revs = (Py_ssize_t *)calloc(num_revs, sizeof(Py_ssize_t)); | |
1408 | if (revs == NULL) { |
|
1412 | if (revs == NULL) { | |
1409 | PyErr_NoMemory(); |
|
1413 | PyErr_NoMemory(); | |
1410 | goto bail; |
|
1414 | goto bail; | |
1411 | } |
|
1415 | } | |
1412 | for (i = 0; i < num_revs; i++) { |
|
1416 | for (i = 0; i < num_revs; i++) { | |
1413 | Py_ssize_t revnum = PyInt_AsLong(PyList_GET_ITEM(list_revs, i)); |
|
1417 | Py_ssize_t revnum = PyInt_AsLong(PyList_GET_ITEM(list_revs, i)); | |
1414 | if (revnum == -1 && PyErr_Occurred()) { |
|
1418 | if (revnum == -1 && PyErr_Occurred()) { | |
1415 | goto bail; |
|
1419 | goto bail; | |
1416 | } |
|
1420 | } | |
1417 | if (revnum < nullrev || revnum >= idxlen) { |
|
1421 | if (revnum < nullrev || revnum >= idxlen) { | |
1418 | PyErr_Format(PyExc_IndexError, |
|
1422 | PyErr_Format(PyExc_IndexError, | |
1419 | "index out of range: %zd", revnum); |
|
1423 | "index out of range: %zd", revnum); | |
1420 | goto bail; |
|
1424 | goto bail; | |
1421 | } |
|
1425 | } | |
1422 | revs[i] = revnum; |
|
1426 | revs[i] = revnum; | |
1423 | } |
|
1427 | } | |
1424 |
|
1428 | |||
1425 | /* Compute and check various property of the unsliced delta chain */ |
|
1429 | /* Compute and check various property of the unsliced delta chain */ | |
1426 | deltachainspan = index_segment_span(self, revs[0], revs[num_revs - 1]); |
|
1430 | deltachainspan = index_segment_span(self, revs[0], revs[num_revs - 1]); | |
1427 | if (deltachainspan < 0) { |
|
1431 | if (deltachainspan < 0) { | |
1428 | goto bail; |
|
1432 | goto bail; | |
1429 | } |
|
1433 | } | |
1430 |
|
1434 | |||
1431 | if (deltachainspan <= mingapsize) { |
|
1435 | if (deltachainspan <= mingapsize) { | |
1432 | result = PyTuple_Pack(1, list_revs); |
|
1436 | result = PyTuple_Pack(1, list_revs); | |
1433 | goto done; |
|
1437 | goto done; | |
1434 | } |
|
1438 | } | |
1435 | chainpayload = 0; |
|
1439 | chainpayload = 0; | |
1436 | for (i = 0; i < num_revs; i++) { |
|
1440 | for (i = 0; i < num_revs; i++) { | |
1437 | int tmp = index_get_length(self, revs[i]); |
|
1441 | int tmp = index_get_length(self, revs[i]); | |
1438 | if (tmp < 0) { |
|
1442 | if (tmp < 0) { | |
1439 | goto bail; |
|
1443 | goto bail; | |
1440 | } |
|
1444 | } | |
1441 | chainpayload += tmp; |
|
1445 | chainpayload += tmp; | |
1442 | } |
|
1446 | } | |
1443 |
|
1447 | |||
1444 | readdata = deltachainspan; |
|
1448 | readdata = deltachainspan; | |
1445 | density = 1.0; |
|
1449 | density = 1.0; | |
1446 |
|
1450 | |||
1447 | if (0 < deltachainspan) { |
|
1451 | if (0 < deltachainspan) { | |
1448 | density = (double)chainpayload / (double)deltachainspan; |
|
1452 | density = (double)chainpayload / (double)deltachainspan; | |
1449 | } |
|
1453 | } | |
1450 |
|
1454 | |||
1451 | if (density >= targetdensity) { |
|
1455 | if (density >= targetdensity) { | |
1452 | result = PyTuple_Pack(1, list_revs); |
|
1456 | result = PyTuple_Pack(1, list_revs); | |
1453 | goto done; |
|
1457 | goto done; | |
1454 | } |
|
1458 | } | |
1455 |
|
1459 | |||
1456 | /* if chain is too sparse, look for relevant gaps */ |
|
1460 | /* if chain is too sparse, look for relevant gaps */ | |
1457 | gaps = (struct Gap *)calloc(num_revs, sizeof(struct Gap)); |
|
1461 | gaps = (struct Gap *)calloc(num_revs, sizeof(struct Gap)); | |
1458 | if (gaps == NULL) { |
|
1462 | if (gaps == NULL) { | |
1459 | PyErr_NoMemory(); |
|
1463 | PyErr_NoMemory(); | |
1460 | goto bail; |
|
1464 | goto bail; | |
1461 | } |
|
1465 | } | |
1462 |
|
1466 | |||
1463 | previous_end = -1; |
|
1467 | previous_end = -1; | |
1464 | for (i = 0; i < num_revs; i++) { |
|
1468 | for (i = 0; i < num_revs; i++) { | |
1465 | int64_t revstart; |
|
1469 | int64_t revstart; | |
1466 | int revsize; |
|
1470 | int revsize; | |
1467 | revstart = index_get_start(self, revs[i]); |
|
1471 | revstart = index_get_start(self, revs[i]); | |
1468 | if (revstart < 0) { |
|
1472 | if (revstart < 0) { | |
1469 | goto bail; |
|
1473 | goto bail; | |
1470 | }; |
|
1474 | }; | |
1471 | revsize = index_get_length(self, revs[i]); |
|
1475 | revsize = index_get_length(self, revs[i]); | |
1472 | if (revsize < 0) { |
|
1476 | if (revsize < 0) { | |
1473 | goto bail; |
|
1477 | goto bail; | |
1474 | }; |
|
1478 | }; | |
1475 | if (revsize == 0) { |
|
1479 | if (revsize == 0) { | |
1476 | continue; |
|
1480 | continue; | |
1477 | } |
|
1481 | } | |
1478 | if (previous_end >= 0) { |
|
1482 | if (previous_end >= 0) { | |
1479 | int64_t gapsize = revstart - previous_end; |
|
1483 | int64_t gapsize = revstart - previous_end; | |
1480 | if (gapsize > mingapsize) { |
|
1484 | if (gapsize > mingapsize) { | |
1481 | gaps[num_gaps].size = gapsize; |
|
1485 | gaps[num_gaps].size = gapsize; | |
1482 | gaps[num_gaps].idx = i; |
|
1486 | gaps[num_gaps].idx = i; | |
1483 | num_gaps += 1; |
|
1487 | num_gaps += 1; | |
1484 | } |
|
1488 | } | |
1485 | } |
|
1489 | } | |
1486 | previous_end = revstart + revsize; |
|
1490 | previous_end = revstart + revsize; | |
1487 | } |
|
1491 | } | |
1488 | if (num_gaps == 0) { |
|
1492 | if (num_gaps == 0) { | |
1489 | result = PyTuple_Pack(1, list_revs); |
|
1493 | result = PyTuple_Pack(1, list_revs); | |
1490 | goto done; |
|
1494 | goto done; | |
1491 | } |
|
1495 | } | |
1492 | qsort(gaps, num_gaps, sizeof(struct Gap), &gap_compare); |
|
1496 | qsort(gaps, num_gaps, sizeof(struct Gap), &gap_compare); | |
1493 |
|
1497 | |||
1494 | /* Slice the largest gap first, they improve the density the most */ |
|
1498 | /* Slice the largest gap first, they improve the density the most */ | |
1495 | selected_indices = |
|
1499 | selected_indices = | |
1496 | (Py_ssize_t *)malloc((num_gaps + 1) * sizeof(Py_ssize_t)); |
|
1500 | (Py_ssize_t *)malloc((num_gaps + 1) * sizeof(Py_ssize_t)); | |
1497 | if (selected_indices == NULL) { |
|
1501 | if (selected_indices == NULL) { | |
1498 | PyErr_NoMemory(); |
|
1502 | PyErr_NoMemory(); | |
1499 | goto bail; |
|
1503 | goto bail; | |
1500 | } |
|
1504 | } | |
1501 |
|
1505 | |||
1502 | for (i = num_gaps - 1; i >= 0; i--) { |
|
1506 | for (i = num_gaps - 1; i >= 0; i--) { | |
1503 | selected_indices[num_selected] = gaps[i].idx; |
|
1507 | selected_indices[num_selected] = gaps[i].idx; | |
1504 | readdata -= gaps[i].size; |
|
1508 | readdata -= gaps[i].size; | |
1505 | num_selected += 1; |
|
1509 | num_selected += 1; | |
1506 | if (readdata <= 0) { |
|
1510 | if (readdata <= 0) { | |
1507 | density = 1.0; |
|
1511 | density = 1.0; | |
1508 | } else { |
|
1512 | } else { | |
1509 | density = (double)chainpayload / (double)readdata; |
|
1513 | density = (double)chainpayload / (double)readdata; | |
1510 | } |
|
1514 | } | |
1511 | if (density >= targetdensity) { |
|
1515 | if (density >= targetdensity) { | |
1512 | break; |
|
1516 | break; | |
1513 | } |
|
1517 | } | |
1514 | } |
|
1518 | } | |
1515 | qsort(selected_indices, num_selected, sizeof(Py_ssize_t), |
|
1519 | qsort(selected_indices, num_selected, sizeof(Py_ssize_t), | |
1516 | &Py_ssize_t_compare); |
|
1520 | &Py_ssize_t_compare); | |
1517 |
|
1521 | |||
1518 | /* create the resulting slice */ |
|
1522 | /* create the resulting slice */ | |
1519 | allchunks = PyList_New(0); |
|
1523 | allchunks = PyList_New(0); | |
1520 | if (allchunks == NULL) { |
|
1524 | if (allchunks == NULL) { | |
1521 | goto bail; |
|
1525 | goto bail; | |
1522 | } |
|
1526 | } | |
1523 | previdx = 0; |
|
1527 | previdx = 0; | |
1524 | selected_indices[num_selected] = num_revs; |
|
1528 | selected_indices[num_selected] = num_revs; | |
1525 | for (i = 0; i <= num_selected; i++) { |
|
1529 | for (i = 0; i <= num_selected; i++) { | |
1526 | Py_ssize_t idx = selected_indices[i]; |
|
1530 | Py_ssize_t idx = selected_indices[i]; | |
1527 | Py_ssize_t endidx = trim_endidx(self, revs, previdx, idx); |
|
1531 | Py_ssize_t endidx = trim_endidx(self, revs, previdx, idx); | |
1528 | if (endidx < 0) { |
|
1532 | if (endidx < 0) { | |
1529 | goto bail; |
|
1533 | goto bail; | |
1530 | } |
|
1534 | } | |
1531 | if (previdx < endidx) { |
|
1535 | if (previdx < endidx) { | |
1532 | chunk = PyList_GetSlice(list_revs, previdx, endidx); |
|
1536 | chunk = PyList_GetSlice(list_revs, previdx, endidx); | |
1533 | if (chunk == NULL) { |
|
1537 | if (chunk == NULL) { | |
1534 | goto bail; |
|
1538 | goto bail; | |
1535 | } |
|
1539 | } | |
1536 | if (PyList_Append(allchunks, chunk) == -1) { |
|
1540 | if (PyList_Append(allchunks, chunk) == -1) { | |
1537 | goto bail; |
|
1541 | goto bail; | |
1538 | } |
|
1542 | } | |
1539 | Py_DECREF(chunk); |
|
1543 | Py_DECREF(chunk); | |
1540 | chunk = NULL; |
|
1544 | chunk = NULL; | |
1541 | } |
|
1545 | } | |
1542 | previdx = idx; |
|
1546 | previdx = idx; | |
1543 | } |
|
1547 | } | |
1544 | result = allchunks; |
|
1548 | result = allchunks; | |
1545 | goto done; |
|
1549 | goto done; | |
1546 |
|
1550 | |||
1547 | bail: |
|
1551 | bail: | |
1548 | Py_XDECREF(allchunks); |
|
1552 | Py_XDECREF(allchunks); | |
1549 | Py_XDECREF(chunk); |
|
1553 | Py_XDECREF(chunk); | |
1550 | done: |
|
1554 | done: | |
1551 | free(revs); |
|
1555 | free(revs); | |
1552 | free(gaps); |
|
1556 | free(gaps); | |
1553 | free(selected_indices); |
|
1557 | free(selected_indices); | |
1554 | return result; |
|
1558 | return result; | |
1555 | } |
|
1559 | } | |
1556 |
|
1560 | |||
1557 | static inline int nt_level(const char *node, Py_ssize_t level) |
|
1561 | static inline int nt_level(const char *node, Py_ssize_t level) | |
1558 | { |
|
1562 | { | |
1559 | int v = node[level >> 1]; |
|
1563 | int v = node[level >> 1]; | |
1560 | if (!(level & 1)) |
|
1564 | if (!(level & 1)) | |
1561 | v >>= 4; |
|
1565 | v >>= 4; | |
1562 | return v & 0xf; |
|
1566 | return v & 0xf; | |
1563 | } |
|
1567 | } | |
1564 |
|
1568 | |||
1565 | /* |
|
1569 | /* | |
1566 | * Return values: |
|
1570 | * Return values: | |
1567 | * |
|
1571 | * | |
1568 | * -4: match is ambiguous (multiple candidates) |
|
1572 | * -4: match is ambiguous (multiple candidates) | |
1569 | * -2: not found |
|
1573 | * -2: not found | |
1570 | * rest: valid rev |
|
1574 | * rest: valid rev | |
1571 | */ |
|
1575 | */ | |
1572 | static int nt_find(nodetree *self, const char *node, Py_ssize_t nodelen, |
|
1576 | static int nt_find(nodetree *self, const char *node, Py_ssize_t nodelen, | |
1573 | int hex) |
|
1577 | int hex) | |
1574 | { |
|
1578 | { | |
1575 | int (*getnybble)(const char *, Py_ssize_t) = hex ? hexdigit : nt_level; |
|
1579 | int (*getnybble)(const char *, Py_ssize_t) = hex ? hexdigit : nt_level; | |
1576 | int level, maxlevel, off; |
|
1580 | int level, maxlevel, off; | |
1577 |
|
1581 | |||
1578 | if (nodelen == 20 && node[0] == '\0' && memcmp(node, nullid, 20) == 0) |
|
1582 | if (nodelen == 20 && node[0] == '\0' && memcmp(node, nullid, 20) == 0) | |
1579 | return -1; |
|
1583 | return -1; | |
1580 |
|
1584 | |||
1581 | if (hex) |
|
1585 | if (hex) | |
1582 | maxlevel = nodelen > 40 ? 40 : (int)nodelen; |
|
1586 | maxlevel = nodelen > 40 ? 40 : (int)nodelen; | |
1583 | else |
|
1587 | else | |
1584 | maxlevel = nodelen > 20 ? 40 : ((int)nodelen * 2); |
|
1588 | maxlevel = nodelen > 20 ? 40 : ((int)nodelen * 2); | |
1585 |
|
1589 | |||
1586 | for (level = off = 0; level < maxlevel; level++) { |
|
1590 | for (level = off = 0; level < maxlevel; level++) { | |
1587 | int k = getnybble(node, level); |
|
1591 | int k = getnybble(node, level); | |
1588 | nodetreenode *n = &self->nodes[off]; |
|
1592 | nodetreenode *n = &self->nodes[off]; | |
1589 | int v = n->children[k]; |
|
1593 | int v = n->children[k]; | |
1590 |
|
1594 | |||
1591 | if (v < 0) { |
|
1595 | if (v < 0) { | |
1592 | const char *n; |
|
1596 | const char *n; | |
1593 | Py_ssize_t i; |
|
1597 | Py_ssize_t i; | |
1594 |
|
1598 | |||
1595 | v = -(v + 2); |
|
1599 | v = -(v + 2); | |
1596 | n = index_node(self->index, v); |
|
1600 | n = index_node(self->index, v); | |
1597 | if (n == NULL) |
|
1601 | if (n == NULL) | |
1598 | return -2; |
|
1602 | return -2; | |
1599 | for (i = level; i < maxlevel; i++) |
|
1603 | for (i = level; i < maxlevel; i++) | |
1600 | if (getnybble(node, i) != nt_level(n, i)) |
|
1604 | if (getnybble(node, i) != nt_level(n, i)) | |
1601 | return -2; |
|
1605 | return -2; | |
1602 | return v; |
|
1606 | return v; | |
1603 | } |
|
1607 | } | |
1604 | if (v == 0) |
|
1608 | if (v == 0) | |
1605 | return -2; |
|
1609 | return -2; | |
1606 | off = v; |
|
1610 | off = v; | |
1607 | } |
|
1611 | } | |
1608 | /* multiple matches against an ambiguous prefix */ |
|
1612 | /* multiple matches against an ambiguous prefix */ | |
1609 | return -4; |
|
1613 | return -4; | |
1610 | } |
|
1614 | } | |
1611 |
|
1615 | |||
1612 | static int nt_new(nodetree *self) |
|
1616 | static int nt_new(nodetree *self) | |
1613 | { |
|
1617 | { | |
1614 | if (self->length == self->capacity) { |
|
1618 | if (self->length == self->capacity) { | |
1615 | unsigned newcapacity; |
|
1619 | unsigned newcapacity; | |
1616 | nodetreenode *newnodes; |
|
1620 | nodetreenode *newnodes; | |
1617 | newcapacity = self->capacity * 2; |
|
1621 | newcapacity = self->capacity * 2; | |
1618 | if (newcapacity >= INT_MAX / sizeof(nodetreenode)) { |
|
1622 | if (newcapacity >= INT_MAX / sizeof(nodetreenode)) { | |
1619 | PyErr_SetString(PyExc_MemoryError, |
|
1623 | PyErr_SetString(PyExc_MemoryError, | |
1620 | "overflow in nt_new"); |
|
1624 | "overflow in nt_new"); | |
1621 | return -1; |
|
1625 | return -1; | |
1622 | } |
|
1626 | } | |
1623 | newnodes = |
|
1627 | newnodes = | |
1624 | realloc(self->nodes, newcapacity * sizeof(nodetreenode)); |
|
1628 | realloc(self->nodes, newcapacity * sizeof(nodetreenode)); | |
1625 | if (newnodes == NULL) { |
|
1629 | if (newnodes == NULL) { | |
1626 | PyErr_SetString(PyExc_MemoryError, "out of memory"); |
|
1630 | PyErr_SetString(PyExc_MemoryError, "out of memory"); | |
1627 | return -1; |
|
1631 | return -1; | |
1628 | } |
|
1632 | } | |
1629 | self->capacity = newcapacity; |
|
1633 | self->capacity = newcapacity; | |
1630 | self->nodes = newnodes; |
|
1634 | self->nodes = newnodes; | |
1631 | memset(&self->nodes[self->length], 0, |
|
1635 | memset(&self->nodes[self->length], 0, | |
1632 | sizeof(nodetreenode) * (self->capacity - self->length)); |
|
1636 | sizeof(nodetreenode) * (self->capacity - self->length)); | |
1633 | } |
|
1637 | } | |
1634 | return self->length++; |
|
1638 | return self->length++; | |
1635 | } |
|
1639 | } | |
1636 |
|
1640 | |||
1637 | static int nt_insert(nodetree *self, const char *node, int rev) |
|
1641 | static int nt_insert(nodetree *self, const char *node, int rev) | |
1638 | { |
|
1642 | { | |
1639 | int level = 0; |
|
1643 | int level = 0; | |
1640 | int off = 0; |
|
1644 | int off = 0; | |
1641 |
|
1645 | |||
1642 | while (level < 40) { |
|
1646 | while (level < 40) { | |
1643 | int k = nt_level(node, level); |
|
1647 | int k = nt_level(node, level); | |
1644 | nodetreenode *n; |
|
1648 | nodetreenode *n; | |
1645 | int v; |
|
1649 | int v; | |
1646 |
|
1650 | |||
1647 | n = &self->nodes[off]; |
|
1651 | n = &self->nodes[off]; | |
1648 | v = n->children[k]; |
|
1652 | v = n->children[k]; | |
1649 |
|
1653 | |||
1650 | if (v == 0) { |
|
1654 | if (v == 0) { | |
1651 | n->children[k] = -rev - 2; |
|
1655 | n->children[k] = -rev - 2; | |
1652 | return 0; |
|
1656 | return 0; | |
1653 | } |
|
1657 | } | |
1654 | if (v < 0) { |
|
1658 | if (v < 0) { | |
1655 | const char *oldnode = |
|
1659 | const char *oldnode = | |
1656 | index_node_existing(self->index, -(v + 2)); |
|
1660 | index_node_existing(self->index, -(v + 2)); | |
1657 | int noff; |
|
1661 | int noff; | |
1658 |
|
1662 | |||
1659 | if (oldnode == NULL) |
|
1663 | if (oldnode == NULL) | |
1660 | return -1; |
|
1664 | return -1; | |
1661 | if (!memcmp(oldnode, node, 20)) { |
|
1665 | if (!memcmp(oldnode, node, 20)) { | |
1662 | n->children[k] = -rev - 2; |
|
1666 | n->children[k] = -rev - 2; | |
1663 | return 0; |
|
1667 | return 0; | |
1664 | } |
|
1668 | } | |
1665 | noff = nt_new(self); |
|
1669 | noff = nt_new(self); | |
1666 | if (noff == -1) |
|
1670 | if (noff == -1) | |
1667 | return -1; |
|
1671 | return -1; | |
1668 | /* self->nodes may have been changed by realloc */ |
|
1672 | /* self->nodes may have been changed by realloc */ | |
1669 | self->nodes[off].children[k] = noff; |
|
1673 | self->nodes[off].children[k] = noff; | |
1670 | off = noff; |
|
1674 | off = noff; | |
1671 | n = &self->nodes[off]; |
|
1675 | n = &self->nodes[off]; | |
1672 | n->children[nt_level(oldnode, ++level)] = v; |
|
1676 | n->children[nt_level(oldnode, ++level)] = v; | |
1673 | if (level > self->depth) |
|
1677 | if (level > self->depth) | |
1674 | self->depth = level; |
|
1678 | self->depth = level; | |
1675 | self->splits += 1; |
|
1679 | self->splits += 1; | |
1676 | } else { |
|
1680 | } else { | |
1677 | level += 1; |
|
1681 | level += 1; | |
1678 | off = v; |
|
1682 | off = v; | |
1679 | } |
|
1683 | } | |
1680 | } |
|
1684 | } | |
1681 |
|
1685 | |||
1682 | return -1; |
|
1686 | return -1; | |
1683 | } |
|
1687 | } | |
1684 |
|
1688 | |||
1685 | static PyObject *ntobj_insert(nodetreeObject *self, PyObject *args) |
|
1689 | static PyObject *ntobj_insert(nodetreeObject *self, PyObject *args) | |
1686 | { |
|
1690 | { | |
1687 | Py_ssize_t rev; |
|
1691 | Py_ssize_t rev; | |
1688 | const char *node; |
|
1692 | const char *node; | |
1689 | Py_ssize_t length; |
|
1693 | Py_ssize_t length; | |
1690 | if (!PyArg_ParseTuple(args, "n", &rev)) |
|
1694 | if (!PyArg_ParseTuple(args, "n", &rev)) | |
1691 | return NULL; |
|
1695 | return NULL; | |
1692 | length = index_length(self->nt.index); |
|
1696 | length = index_length(self->nt.index); | |
1693 | if (rev < 0 || rev >= length) { |
|
1697 | if (rev < 0 || rev >= length) { | |
1694 | PyErr_SetString(PyExc_ValueError, "revlog index out of range"); |
|
1698 | PyErr_SetString(PyExc_ValueError, "revlog index out of range"); | |
1695 | return NULL; |
|
1699 | return NULL; | |
1696 | } |
|
1700 | } | |
1697 | node = index_node_existing(self->nt.index, rev); |
|
1701 | node = index_node_existing(self->nt.index, rev); | |
1698 | if (nt_insert(&self->nt, node, (int)rev) == -1) |
|
1702 | if (nt_insert(&self->nt, node, (int)rev) == -1) | |
1699 | return NULL; |
|
1703 | return NULL; | |
1700 | Py_RETURN_NONE; |
|
1704 | Py_RETURN_NONE; | |
1701 | } |
|
1705 | } | |
1702 |
|
1706 | |||
1703 | static int nt_delete_node(nodetree *self, const char *node) |
|
1707 | static int nt_delete_node(nodetree *self, const char *node) | |
1704 | { |
|
1708 | { | |
1705 | /* rev==-2 happens to get encoded as 0, which is interpreted as not set |
|
1709 | /* rev==-2 happens to get encoded as 0, which is interpreted as not set | |
1706 | */ |
|
1710 | */ | |
1707 | return nt_insert(self, node, -2); |
|
1711 | return nt_insert(self, node, -2); | |
1708 | } |
|
1712 | } | |
1709 |
|
1713 | |||
1710 | static int nt_init(nodetree *self, indexObject *index, unsigned capacity) |
|
1714 | static int nt_init(nodetree *self, indexObject *index, unsigned capacity) | |
1711 | { |
|
1715 | { | |
1712 | /* Initialize before overflow-checking to avoid nt_dealloc() crash. */ |
|
1716 | /* Initialize before overflow-checking to avoid nt_dealloc() crash. */ | |
1713 | self->nodes = NULL; |
|
1717 | self->nodes = NULL; | |
1714 |
|
1718 | |||
1715 | self->index = index; |
|
1719 | self->index = index; | |
1716 | /* The input capacity is in terms of revisions, while the field is in |
|
1720 | /* The input capacity is in terms of revisions, while the field is in | |
1717 | * terms of nodetree nodes. */ |
|
1721 | * terms of nodetree nodes. */ | |
1718 | self->capacity = (capacity < 4 ? 4 : capacity / 2); |
|
1722 | self->capacity = (capacity < 4 ? 4 : capacity / 2); | |
1719 | self->depth = 0; |
|
1723 | self->depth = 0; | |
1720 | self->splits = 0; |
|
1724 | self->splits = 0; | |
1721 | if ((size_t)self->capacity > INT_MAX / sizeof(nodetreenode)) { |
|
1725 | if ((size_t)self->capacity > INT_MAX / sizeof(nodetreenode)) { | |
1722 | PyErr_SetString(PyExc_ValueError, "overflow in init_nt"); |
|
1726 | PyErr_SetString(PyExc_ValueError, "overflow in init_nt"); | |
1723 | return -1; |
|
1727 | return -1; | |
1724 | } |
|
1728 | } | |
1725 | self->nodes = calloc(self->capacity, sizeof(nodetreenode)); |
|
1729 | self->nodes = calloc(self->capacity, sizeof(nodetreenode)); | |
1726 | if (self->nodes == NULL) { |
|
1730 | if (self->nodes == NULL) { | |
1727 | PyErr_NoMemory(); |
|
1731 | PyErr_NoMemory(); | |
1728 | return -1; |
|
1732 | return -1; | |
1729 | } |
|
1733 | } | |
1730 | self->length = 1; |
|
1734 | self->length = 1; | |
1731 | return 0; |
|
1735 | return 0; | |
1732 | } |
|
1736 | } | |
1733 |
|
1737 | |||
1734 | static int ntobj_init(nodetreeObject *self, PyObject *args) |
|
1738 | static int ntobj_init(nodetreeObject *self, PyObject *args) | |
1735 | { |
|
1739 | { | |
1736 | PyObject *index; |
|
1740 | PyObject *index; | |
1737 | unsigned capacity; |
|
1741 | unsigned capacity; | |
1738 | if (!PyArg_ParseTuple(args, "O!I", &HgRevlogIndex_Type, &index, |
|
1742 | if (!PyArg_ParseTuple(args, "O!I", &HgRevlogIndex_Type, &index, | |
1739 | &capacity)) |
|
1743 | &capacity)) | |
1740 | return -1; |
|
1744 | return -1; | |
1741 | Py_INCREF(index); |
|
1745 | Py_INCREF(index); | |
1742 | return nt_init(&self->nt, (indexObject *)index, capacity); |
|
1746 | return nt_init(&self->nt, (indexObject *)index, capacity); | |
1743 | } |
|
1747 | } | |
1744 |
|
1748 | |||
1745 | static int nt_partialmatch(nodetree *self, const char *node, Py_ssize_t nodelen) |
|
1749 | static int nt_partialmatch(nodetree *self, const char *node, Py_ssize_t nodelen) | |
1746 | { |
|
1750 | { | |
1747 | return nt_find(self, node, nodelen, 1); |
|
1751 | return nt_find(self, node, nodelen, 1); | |
1748 | } |
|
1752 | } | |
1749 |
|
1753 | |||
1750 | /* |
|
1754 | /* | |
1751 | * Find the length of the shortest unique prefix of node. |
|
1755 | * Find the length of the shortest unique prefix of node. | |
1752 | * |
|
1756 | * | |
1753 | * Return values: |
|
1757 | * Return values: | |
1754 | * |
|
1758 | * | |
1755 | * -3: error (exception set) |
|
1759 | * -3: error (exception set) | |
1756 | * -2: not found (no exception set) |
|
1760 | * -2: not found (no exception set) | |
1757 | * rest: length of shortest prefix |
|
1761 | * rest: length of shortest prefix | |
1758 | */ |
|
1762 | */ | |
1759 | static int nt_shortest(nodetree *self, const char *node) |
|
1763 | static int nt_shortest(nodetree *self, const char *node) | |
1760 | { |
|
1764 | { | |
1761 | int level, off; |
|
1765 | int level, off; | |
1762 |
|
1766 | |||
1763 | for (level = off = 0; level < 40; level++) { |
|
1767 | for (level = off = 0; level < 40; level++) { | |
1764 | int k, v; |
|
1768 | int k, v; | |
1765 | nodetreenode *n = &self->nodes[off]; |
|
1769 | nodetreenode *n = &self->nodes[off]; | |
1766 | k = nt_level(node, level); |
|
1770 | k = nt_level(node, level); | |
1767 | v = n->children[k]; |
|
1771 | v = n->children[k]; | |
1768 | if (v < 0) { |
|
1772 | if (v < 0) { | |
1769 | const char *n; |
|
1773 | const char *n; | |
1770 | v = -(v + 2); |
|
1774 | v = -(v + 2); | |
1771 | n = index_node_existing(self->index, v); |
|
1775 | n = index_node_existing(self->index, v); | |
1772 | if (n == NULL) |
|
1776 | if (n == NULL) | |
1773 | return -3; |
|
1777 | return -3; | |
1774 | if (memcmp(node, n, 20) != 0) |
|
1778 | if (memcmp(node, n, 20) != 0) | |
1775 | /* |
|
1779 | /* | |
1776 | * Found a unique prefix, but it wasn't for the |
|
1780 | * Found a unique prefix, but it wasn't for the | |
1777 | * requested node (i.e the requested node does |
|
1781 | * requested node (i.e the requested node does | |
1778 | * not exist). |
|
1782 | * not exist). | |
1779 | */ |
|
1783 | */ | |
1780 | return -2; |
|
1784 | return -2; | |
1781 | return level + 1; |
|
1785 | return level + 1; | |
1782 | } |
|
1786 | } | |
1783 | if (v == 0) |
|
1787 | if (v == 0) | |
1784 | return -2; |
|
1788 | return -2; | |
1785 | off = v; |
|
1789 | off = v; | |
1786 | } |
|
1790 | } | |
1787 | /* |
|
1791 | /* | |
1788 | * The node was still not unique after 40 hex digits, so this won't |
|
1792 | * The node was still not unique after 40 hex digits, so this won't | |
1789 | * happen. Also, if we get here, then there's a programming error in |
|
1793 | * happen. Also, if we get here, then there's a programming error in | |
1790 | * this file that made us insert a node longer than 40 hex digits. |
|
1794 | * this file that made us insert a node longer than 40 hex digits. | |
1791 | */ |
|
1795 | */ | |
1792 | PyErr_SetString(PyExc_Exception, "broken node tree"); |
|
1796 | PyErr_SetString(PyExc_Exception, "broken node tree"); | |
1793 | return -3; |
|
1797 | return -3; | |
1794 | } |
|
1798 | } | |
1795 |
|
1799 | |||
1796 | static PyObject *ntobj_shortest(nodetreeObject *self, PyObject *args) |
|
1800 | static PyObject *ntobj_shortest(nodetreeObject *self, PyObject *args) | |
1797 | { |
|
1801 | { | |
1798 | PyObject *val; |
|
1802 | PyObject *val; | |
1799 | char *node; |
|
1803 | char *node; | |
1800 | int length; |
|
1804 | int length; | |
1801 |
|
1805 | |||
1802 | if (!PyArg_ParseTuple(args, "O", &val)) |
|
1806 | if (!PyArg_ParseTuple(args, "O", &val)) | |
1803 | return NULL; |
|
1807 | return NULL; | |
1804 | if (node_check(val, &node) == -1) |
|
1808 | if (node_check(val, &node) == -1) | |
1805 | return NULL; |
|
1809 | return NULL; | |
1806 |
|
1810 | |||
1807 | length = nt_shortest(&self->nt, node); |
|
1811 | length = nt_shortest(&self->nt, node); | |
1808 | if (length == -3) |
|
1812 | if (length == -3) | |
1809 | return NULL; |
|
1813 | return NULL; | |
1810 | if (length == -2) { |
|
1814 | if (length == -2) { | |
1811 | raise_revlog_error(); |
|
1815 | raise_revlog_error(); | |
1812 | return NULL; |
|
1816 | return NULL; | |
1813 | } |
|
1817 | } | |
1814 | return PyInt_FromLong(length); |
|
1818 | return PyInt_FromLong(length); | |
1815 | } |
|
1819 | } | |
1816 |
|
1820 | |||
1817 | static void nt_dealloc(nodetree *self) |
|
1821 | static void nt_dealloc(nodetree *self) | |
1818 | { |
|
1822 | { | |
1819 | free(self->nodes); |
|
1823 | free(self->nodes); | |
1820 | self->nodes = NULL; |
|
1824 | self->nodes = NULL; | |
1821 | } |
|
1825 | } | |
1822 |
|
1826 | |||
1823 | static void ntobj_dealloc(nodetreeObject *self) |
|
1827 | static void ntobj_dealloc(nodetreeObject *self) | |
1824 | { |
|
1828 | { | |
1825 | Py_XDECREF(self->nt.index); |
|
1829 | Py_XDECREF(self->nt.index); | |
1826 | nt_dealloc(&self->nt); |
|
1830 | nt_dealloc(&self->nt); | |
1827 | PyObject_Del(self); |
|
1831 | PyObject_Del(self); | |
1828 | } |
|
1832 | } | |
1829 |
|
1833 | |||
1830 | static PyMethodDef ntobj_methods[] = { |
|
1834 | static PyMethodDef ntobj_methods[] = { | |
1831 | {"insert", (PyCFunction)ntobj_insert, METH_VARARGS, |
|
1835 | {"insert", (PyCFunction)ntobj_insert, METH_VARARGS, | |
1832 | "insert an index entry"}, |
|
1836 | "insert an index entry"}, | |
1833 | {"shortest", (PyCFunction)ntobj_shortest, METH_VARARGS, |
|
1837 | {"shortest", (PyCFunction)ntobj_shortest, METH_VARARGS, | |
1834 | "find length of shortest hex nodeid of a binary ID"}, |
|
1838 | "find length of shortest hex nodeid of a binary ID"}, | |
1835 | {NULL} /* Sentinel */ |
|
1839 | {NULL} /* Sentinel */ | |
1836 | }; |
|
1840 | }; | |
1837 |
|
1841 | |||
1838 | static PyTypeObject nodetreeType = { |
|
1842 | static PyTypeObject nodetreeType = { | |
1839 | PyVarObject_HEAD_INIT(NULL, 0) /* header */ |
|
1843 | PyVarObject_HEAD_INIT(NULL, 0) /* header */ | |
1840 | "parsers.nodetree", /* tp_name */ |
|
1844 | "parsers.nodetree", /* tp_name */ | |
1841 | sizeof(nodetreeObject), /* tp_basicsize */ |
|
1845 | sizeof(nodetreeObject), /* tp_basicsize */ | |
1842 | 0, /* tp_itemsize */ |
|
1846 | 0, /* tp_itemsize */ | |
1843 | (destructor)ntobj_dealloc, /* tp_dealloc */ |
|
1847 | (destructor)ntobj_dealloc, /* tp_dealloc */ | |
1844 | 0, /* tp_print */ |
|
1848 | 0, /* tp_print */ | |
1845 | 0, /* tp_getattr */ |
|
1849 | 0, /* tp_getattr */ | |
1846 | 0, /* tp_setattr */ |
|
1850 | 0, /* tp_setattr */ | |
1847 | 0, /* tp_compare */ |
|
1851 | 0, /* tp_compare */ | |
1848 | 0, /* tp_repr */ |
|
1852 | 0, /* tp_repr */ | |
1849 | 0, /* tp_as_number */ |
|
1853 | 0, /* tp_as_number */ | |
1850 | 0, /* tp_as_sequence */ |
|
1854 | 0, /* tp_as_sequence */ | |
1851 | 0, /* tp_as_mapping */ |
|
1855 | 0, /* tp_as_mapping */ | |
1852 | 0, /* tp_hash */ |
|
1856 | 0, /* tp_hash */ | |
1853 | 0, /* tp_call */ |
|
1857 | 0, /* tp_call */ | |
1854 | 0, /* tp_str */ |
|
1858 | 0, /* tp_str */ | |
1855 | 0, /* tp_getattro */ |
|
1859 | 0, /* tp_getattro */ | |
1856 | 0, /* tp_setattro */ |
|
1860 | 0, /* tp_setattro */ | |
1857 | 0, /* tp_as_buffer */ |
|
1861 | 0, /* tp_as_buffer */ | |
1858 | Py_TPFLAGS_DEFAULT, /* tp_flags */ |
|
1862 | Py_TPFLAGS_DEFAULT, /* tp_flags */ | |
1859 | "nodetree", /* tp_doc */ |
|
1863 | "nodetree", /* tp_doc */ | |
1860 | 0, /* tp_traverse */ |
|
1864 | 0, /* tp_traverse */ | |
1861 | 0, /* tp_clear */ |
|
1865 | 0, /* tp_clear */ | |
1862 | 0, /* tp_richcompare */ |
|
1866 | 0, /* tp_richcompare */ | |
1863 | 0, /* tp_weaklistoffset */ |
|
1867 | 0, /* tp_weaklistoffset */ | |
1864 | 0, /* tp_iter */ |
|
1868 | 0, /* tp_iter */ | |
1865 | 0, /* tp_iternext */ |
|
1869 | 0, /* tp_iternext */ | |
1866 | ntobj_methods, /* tp_methods */ |
|
1870 | ntobj_methods, /* tp_methods */ | |
1867 | 0, /* tp_members */ |
|
1871 | 0, /* tp_members */ | |
1868 | 0, /* tp_getset */ |
|
1872 | 0, /* tp_getset */ | |
1869 | 0, /* tp_base */ |
|
1873 | 0, /* tp_base */ | |
1870 | 0, /* tp_dict */ |
|
1874 | 0, /* tp_dict */ | |
1871 | 0, /* tp_descr_get */ |
|
1875 | 0, /* tp_descr_get */ | |
1872 | 0, /* tp_descr_set */ |
|
1876 | 0, /* tp_descr_set */ | |
1873 | 0, /* tp_dictoffset */ |
|
1877 | 0, /* tp_dictoffset */ | |
1874 | (initproc)ntobj_init, /* tp_init */ |
|
1878 | (initproc)ntobj_init, /* tp_init */ | |
1875 | 0, /* tp_alloc */ |
|
1879 | 0, /* tp_alloc */ | |
1876 | }; |
|
1880 | }; | |
1877 |
|
1881 | |||
1878 | static int index_init_nt(indexObject *self) |
|
1882 | static int index_init_nt(indexObject *self) | |
1879 | { |
|
1883 | { | |
1880 | if (!self->ntinitialized) { |
|
1884 | if (!self->ntinitialized) { | |
1881 | if (nt_init(&self->nt, self, (int)self->raw_length) == -1) { |
|
1885 | if (nt_init(&self->nt, self, (int)self->raw_length) == -1) { | |
1882 | nt_dealloc(&self->nt); |
|
1886 | nt_dealloc(&self->nt); | |
1883 | return -1; |
|
1887 | return -1; | |
1884 | } |
|
1888 | } | |
1885 | if (nt_insert(&self->nt, nullid, -1) == -1) { |
|
1889 | if (nt_insert(&self->nt, nullid, -1) == -1) { | |
1886 | nt_dealloc(&self->nt); |
|
1890 | nt_dealloc(&self->nt); | |
1887 | return -1; |
|
1891 | return -1; | |
1888 | } |
|
1892 | } | |
1889 | self->ntinitialized = 1; |
|
1893 | self->ntinitialized = 1; | |
1890 | self->ntrev = (int)index_length(self); |
|
1894 | self->ntrev = (int)index_length(self); | |
1891 | self->ntlookups = 1; |
|
1895 | self->ntlookups = 1; | |
1892 | self->ntmisses = 0; |
|
1896 | self->ntmisses = 0; | |
1893 | } |
|
1897 | } | |
1894 | return 0; |
|
1898 | return 0; | |
1895 | } |
|
1899 | } | |
1896 |
|
1900 | |||
1897 | /* |
|
1901 | /* | |
1898 | * Return values: |
|
1902 | * Return values: | |
1899 | * |
|
1903 | * | |
1900 | * -3: error (exception set) |
|
1904 | * -3: error (exception set) | |
1901 | * -2: not found (no exception set) |
|
1905 | * -2: not found (no exception set) | |
1902 | * rest: valid rev |
|
1906 | * rest: valid rev | |
1903 | */ |
|
1907 | */ | |
1904 | static int index_find_node(indexObject *self, const char *node, |
|
1908 | static int index_find_node(indexObject *self, const char *node, | |
1905 | Py_ssize_t nodelen) |
|
1909 | Py_ssize_t nodelen) | |
1906 | { |
|
1910 | { | |
1907 | int rev; |
|
1911 | int rev; | |
1908 |
|
1912 | |||
1909 | if (index_init_nt(self) == -1) |
|
1913 | if (index_init_nt(self) == -1) | |
1910 | return -3; |
|
1914 | return -3; | |
1911 |
|
1915 | |||
1912 | self->ntlookups++; |
|
1916 | self->ntlookups++; | |
1913 | rev = nt_find(&self->nt, node, nodelen, 0); |
|
1917 | rev = nt_find(&self->nt, node, nodelen, 0); | |
1914 | if (rev >= -1) |
|
1918 | if (rev >= -1) | |
1915 | return rev; |
|
1919 | return rev; | |
1916 |
|
1920 | |||
1917 | /* |
|
1921 | /* | |
1918 | * For the first handful of lookups, we scan the entire index, |
|
1922 | * For the first handful of lookups, we scan the entire index, | |
1919 | * and cache only the matching nodes. This optimizes for cases |
|
1923 | * and cache only the matching nodes. This optimizes for cases | |
1920 | * like "hg tip", where only a few nodes are accessed. |
|
1924 | * like "hg tip", where only a few nodes are accessed. | |
1921 | * |
|
1925 | * | |
1922 | * After that, we cache every node we visit, using a single |
|
1926 | * After that, we cache every node we visit, using a single | |
1923 | * scan amortized over multiple lookups. This gives the best |
|
1927 | * scan amortized over multiple lookups. This gives the best | |
1924 | * bulk performance, e.g. for "hg log". |
|
1928 | * bulk performance, e.g. for "hg log". | |
1925 | */ |
|
1929 | */ | |
1926 | if (self->ntmisses++ < 4) { |
|
1930 | if (self->ntmisses++ < 4) { | |
1927 | for (rev = self->ntrev - 1; rev >= 0; rev--) { |
|
1931 | for (rev = self->ntrev - 1; rev >= 0; rev--) { | |
1928 | const char *n = index_node_existing(self, rev); |
|
1932 | const char *n = index_node_existing(self, rev); | |
1929 | if (n == NULL) |
|
1933 | if (n == NULL) | |
1930 | return -3; |
|
1934 | return -3; | |
1931 | if (memcmp(node, n, nodelen > 20 ? 20 : nodelen) == 0) { |
|
1935 | if (memcmp(node, n, nodelen > 20 ? 20 : nodelen) == 0) { | |
1932 | if (nt_insert(&self->nt, n, rev) == -1) |
|
1936 | if (nt_insert(&self->nt, n, rev) == -1) | |
1933 | return -3; |
|
1937 | return -3; | |
1934 | break; |
|
1938 | break; | |
1935 | } |
|
1939 | } | |
1936 | } |
|
1940 | } | |
1937 | } else { |
|
1941 | } else { | |
1938 | for (rev = self->ntrev - 1; rev >= 0; rev--) { |
|
1942 | for (rev = self->ntrev - 1; rev >= 0; rev--) { | |
1939 | const char *n = index_node_existing(self, rev); |
|
1943 | const char *n = index_node_existing(self, rev); | |
1940 | if (n == NULL) |
|
1944 | if (n == NULL) | |
1941 | return -3; |
|
1945 | return -3; | |
1942 | if (nt_insert(&self->nt, n, rev) == -1) { |
|
1946 | if (nt_insert(&self->nt, n, rev) == -1) { | |
1943 | self->ntrev = rev + 1; |
|
1947 | self->ntrev = rev + 1; | |
1944 | return -3; |
|
1948 | return -3; | |
1945 | } |
|
1949 | } | |
1946 | if (memcmp(node, n, nodelen > 20 ? 20 : nodelen) == 0) { |
|
1950 | if (memcmp(node, n, nodelen > 20 ? 20 : nodelen) == 0) { | |
1947 | break; |
|
1951 | break; | |
1948 | } |
|
1952 | } | |
1949 | } |
|
1953 | } | |
1950 | self->ntrev = rev; |
|
1954 | self->ntrev = rev; | |
1951 | } |
|
1955 | } | |
1952 |
|
1956 | |||
1953 | if (rev >= 0) |
|
1957 | if (rev >= 0) | |
1954 | return rev; |
|
1958 | return rev; | |
1955 | return -2; |
|
1959 | return -2; | |
1956 | } |
|
1960 | } | |
1957 |
|
1961 | |||
1958 | static PyObject *index_getitem(indexObject *self, PyObject *value) |
|
1962 | static PyObject *index_getitem(indexObject *self, PyObject *value) | |
1959 | { |
|
1963 | { | |
1960 | char *node; |
|
1964 | char *node; | |
1961 | int rev; |
|
1965 | int rev; | |
1962 |
|
1966 | |||
1963 | if (PyInt_Check(value)) { |
|
1967 | if (PyInt_Check(value)) { | |
1964 | long idx; |
|
1968 | long idx; | |
1965 | if (!pylong_to_long(value, &idx)) { |
|
1969 | if (!pylong_to_long(value, &idx)) { | |
1966 | return NULL; |
|
1970 | return NULL; | |
1967 | } |
|
1971 | } | |
1968 | return index_get(self, idx); |
|
1972 | return index_get(self, idx); | |
1969 | } |
|
1973 | } | |
1970 |
|
1974 | |||
1971 | if (node_check(value, &node) == -1) |
|
1975 | if (node_check(value, &node) == -1) | |
1972 | return NULL; |
|
1976 | return NULL; | |
1973 | rev = index_find_node(self, node, 20); |
|
1977 | rev = index_find_node(self, node, 20); | |
1974 | if (rev >= -1) |
|
1978 | if (rev >= -1) | |
1975 | return PyInt_FromLong(rev); |
|
1979 | return PyInt_FromLong(rev); | |
1976 | if (rev == -2) |
|
1980 | if (rev == -2) | |
1977 | raise_revlog_error(); |
|
1981 | raise_revlog_error(); | |
1978 | return NULL; |
|
1982 | return NULL; | |
1979 | } |
|
1983 | } | |
1980 |
|
1984 | |||
1981 | /* |
|
1985 | /* | |
1982 | * Fully populate the radix tree. |
|
1986 | * Fully populate the radix tree. | |
1983 | */ |
|
1987 | */ | |
1984 | static int index_populate_nt(indexObject *self) |
|
1988 | static int index_populate_nt(indexObject *self) | |
1985 | { |
|
1989 | { | |
1986 | int rev; |
|
1990 | int rev; | |
1987 | if (self->ntrev > 0) { |
|
1991 | if (self->ntrev > 0) { | |
1988 | for (rev = self->ntrev - 1; rev >= 0; rev--) { |
|
1992 | for (rev = self->ntrev - 1; rev >= 0; rev--) { | |
1989 | const char *n = index_node_existing(self, rev); |
|
1993 | const char *n = index_node_existing(self, rev); | |
1990 | if (n == NULL) |
|
1994 | if (n == NULL) | |
1991 | return -1; |
|
1995 | return -1; | |
1992 | if (nt_insert(&self->nt, n, rev) == -1) |
|
1996 | if (nt_insert(&self->nt, n, rev) == -1) | |
1993 | return -1; |
|
1997 | return -1; | |
1994 | } |
|
1998 | } | |
1995 | self->ntrev = -1; |
|
1999 | self->ntrev = -1; | |
1996 | } |
|
2000 | } | |
1997 | return 0; |
|
2001 | return 0; | |
1998 | } |
|
2002 | } | |
1999 |
|
2003 | |||
2000 | static PyObject *index_partialmatch(indexObject *self, PyObject *args) |
|
2004 | static PyObject *index_partialmatch(indexObject *self, PyObject *args) | |
2001 | { |
|
2005 | { | |
2002 | const char *fullnode; |
|
2006 | const char *fullnode; | |
2003 | Py_ssize_t nodelen; |
|
2007 | Py_ssize_t nodelen; | |
2004 | char *node; |
|
2008 | char *node; | |
2005 | int rev, i; |
|
2009 | int rev, i; | |
2006 |
|
2010 | |||
2007 | if (!PyArg_ParseTuple(args, PY23("s#", "y#"), &node, &nodelen)) |
|
2011 | if (!PyArg_ParseTuple(args, PY23("s#", "y#"), &node, &nodelen)) | |
2008 | return NULL; |
|
2012 | return NULL; | |
2009 |
|
2013 | |||
2010 | if (nodelen < 1) { |
|
2014 | if (nodelen < 1) { | |
2011 | PyErr_SetString(PyExc_ValueError, "key too short"); |
|
2015 | PyErr_SetString(PyExc_ValueError, "key too short"); | |
2012 | return NULL; |
|
2016 | return NULL; | |
2013 | } |
|
2017 | } | |
2014 |
|
2018 | |||
2015 | if (nodelen > 40) { |
|
2019 | if (nodelen > 40) { | |
2016 | PyErr_SetString(PyExc_ValueError, "key too long"); |
|
2020 | PyErr_SetString(PyExc_ValueError, "key too long"); | |
2017 | return NULL; |
|
2021 | return NULL; | |
2018 | } |
|
2022 | } | |
2019 |
|
2023 | |||
2020 | for (i = 0; i < nodelen; i++) |
|
2024 | for (i = 0; i < nodelen; i++) | |
2021 | hexdigit(node, i); |
|
2025 | hexdigit(node, i); | |
2022 | if (PyErr_Occurred()) { |
|
2026 | if (PyErr_Occurred()) { | |
2023 | /* input contains non-hex characters */ |
|
2027 | /* input contains non-hex characters */ | |
2024 | PyErr_Clear(); |
|
2028 | PyErr_Clear(); | |
2025 | Py_RETURN_NONE; |
|
2029 | Py_RETURN_NONE; | |
2026 | } |
|
2030 | } | |
2027 |
|
2031 | |||
2028 | if (index_init_nt(self) == -1) |
|
2032 | if (index_init_nt(self) == -1) | |
2029 | return NULL; |
|
2033 | return NULL; | |
2030 | if (index_populate_nt(self) == -1) |
|
2034 | if (index_populate_nt(self) == -1) | |
2031 | return NULL; |
|
2035 | return NULL; | |
2032 | rev = nt_partialmatch(&self->nt, node, nodelen); |
|
2036 | rev = nt_partialmatch(&self->nt, node, nodelen); | |
2033 |
|
2037 | |||
2034 | switch (rev) { |
|
2038 | switch (rev) { | |
2035 | case -4: |
|
2039 | case -4: | |
2036 | raise_revlog_error(); |
|
2040 | raise_revlog_error(); | |
2037 | return NULL; |
|
2041 | return NULL; | |
2038 | case -2: |
|
2042 | case -2: | |
2039 | Py_RETURN_NONE; |
|
2043 | Py_RETURN_NONE; | |
2040 | case -1: |
|
2044 | case -1: | |
2041 | return PyBytes_FromStringAndSize(nullid, 20); |
|
2045 | return PyBytes_FromStringAndSize(nullid, 20); | |
2042 | } |
|
2046 | } | |
2043 |
|
2047 | |||
2044 | fullnode = index_node_existing(self, rev); |
|
2048 | fullnode = index_node_existing(self, rev); | |
2045 | if (fullnode == NULL) { |
|
2049 | if (fullnode == NULL) { | |
2046 | return NULL; |
|
2050 | return NULL; | |
2047 | } |
|
2051 | } | |
2048 | return PyBytes_FromStringAndSize(fullnode, 20); |
|
2052 | return PyBytes_FromStringAndSize(fullnode, 20); | |
2049 | } |
|
2053 | } | |
2050 |
|
2054 | |||
2051 | static PyObject *index_shortest(indexObject *self, PyObject *args) |
|
2055 | static PyObject *index_shortest(indexObject *self, PyObject *args) | |
2052 | { |
|
2056 | { | |
2053 | PyObject *val; |
|
2057 | PyObject *val; | |
2054 | char *node; |
|
2058 | char *node; | |
2055 | int length; |
|
2059 | int length; | |
2056 |
|
2060 | |||
2057 | if (!PyArg_ParseTuple(args, "O", &val)) |
|
2061 | if (!PyArg_ParseTuple(args, "O", &val)) | |
2058 | return NULL; |
|
2062 | return NULL; | |
2059 | if (node_check(val, &node) == -1) |
|
2063 | if (node_check(val, &node) == -1) | |
2060 | return NULL; |
|
2064 | return NULL; | |
2061 |
|
2065 | |||
2062 | self->ntlookups++; |
|
2066 | self->ntlookups++; | |
2063 | if (index_init_nt(self) == -1) |
|
2067 | if (index_init_nt(self) == -1) | |
2064 | return NULL; |
|
2068 | return NULL; | |
2065 | if (index_populate_nt(self) == -1) |
|
2069 | if (index_populate_nt(self) == -1) | |
2066 | return NULL; |
|
2070 | return NULL; | |
2067 | length = nt_shortest(&self->nt, node); |
|
2071 | length = nt_shortest(&self->nt, node); | |
2068 | if (length == -3) |
|
2072 | if (length == -3) | |
2069 | return NULL; |
|
2073 | return NULL; | |
2070 | if (length == -2) { |
|
2074 | if (length == -2) { | |
2071 | raise_revlog_error(); |
|
2075 | raise_revlog_error(); | |
2072 | return NULL; |
|
2076 | return NULL; | |
2073 | } |
|
2077 | } | |
2074 | return PyInt_FromLong(length); |
|
2078 | return PyInt_FromLong(length); | |
2075 | } |
|
2079 | } | |
2076 |
|
2080 | |||
2077 | static PyObject *index_m_get(indexObject *self, PyObject *args) |
|
2081 | static PyObject *index_m_get(indexObject *self, PyObject *args) | |
2078 | { |
|
2082 | { | |
2079 | PyObject *val; |
|
2083 | PyObject *val; | |
2080 | char *node; |
|
2084 | char *node; | |
2081 | int rev; |
|
2085 | int rev; | |
2082 |
|
2086 | |||
2083 | if (!PyArg_ParseTuple(args, "O", &val)) |
|
2087 | if (!PyArg_ParseTuple(args, "O", &val)) | |
2084 | return NULL; |
|
2088 | return NULL; | |
2085 | if (node_check(val, &node) == -1) |
|
2089 | if (node_check(val, &node) == -1) | |
2086 | return NULL; |
|
2090 | return NULL; | |
2087 | rev = index_find_node(self, node, 20); |
|
2091 | rev = index_find_node(self, node, 20); | |
2088 | if (rev == -3) |
|
2092 | if (rev == -3) | |
2089 | return NULL; |
|
2093 | return NULL; | |
2090 | if (rev == -2) |
|
2094 | if (rev == -2) | |
2091 | Py_RETURN_NONE; |
|
2095 | Py_RETURN_NONE; | |
2092 | return PyInt_FromLong(rev); |
|
2096 | return PyInt_FromLong(rev); | |
2093 | } |
|
2097 | } | |
2094 |
|
2098 | |||
2095 | static int index_contains(indexObject *self, PyObject *value) |
|
2099 | static int index_contains(indexObject *self, PyObject *value) | |
2096 | { |
|
2100 | { | |
2097 | char *node; |
|
2101 | char *node; | |
2098 |
|
2102 | |||
2099 | if (PyInt_Check(value)) { |
|
2103 | if (PyInt_Check(value)) { | |
2100 | long rev; |
|
2104 | long rev; | |
2101 | if (!pylong_to_long(value, &rev)) { |
|
2105 | if (!pylong_to_long(value, &rev)) { | |
2102 | return -1; |
|
2106 | return -1; | |
2103 | } |
|
2107 | } | |
2104 | return rev >= -1 && rev < index_length(self); |
|
2108 | return rev >= -1 && rev < index_length(self); | |
2105 | } |
|
2109 | } | |
2106 |
|
2110 | |||
2107 | if (node_check(value, &node) == -1) |
|
2111 | if (node_check(value, &node) == -1) | |
2108 | return -1; |
|
2112 | return -1; | |
2109 |
|
2113 | |||
2110 | switch (index_find_node(self, node, 20)) { |
|
2114 | switch (index_find_node(self, node, 20)) { | |
2111 | case -3: |
|
2115 | case -3: | |
2112 | return -1; |
|
2116 | return -1; | |
2113 | case -2: |
|
2117 | case -2: | |
2114 | return 0; |
|
2118 | return 0; | |
2115 | default: |
|
2119 | default: | |
2116 | return 1; |
|
2120 | return 1; | |
2117 | } |
|
2121 | } | |
2118 | } |
|
2122 | } | |
2119 |
|
2123 | |||
2120 | static PyObject *index_m_has_node(indexObject *self, PyObject *args) |
|
2124 | static PyObject *index_m_has_node(indexObject *self, PyObject *args) | |
2121 | { |
|
2125 | { | |
2122 | int ret = index_contains(self, args); |
|
2126 | int ret = index_contains(self, args); | |
2123 | if (ret < 0) |
|
2127 | if (ret < 0) | |
2124 | return NULL; |
|
2128 | return NULL; | |
2125 | return PyBool_FromLong((long)ret); |
|
2129 | return PyBool_FromLong((long)ret); | |
2126 | } |
|
2130 | } | |
2127 |
|
2131 | |||
2128 | static PyObject *index_m_rev(indexObject *self, PyObject *val) |
|
2132 | static PyObject *index_m_rev(indexObject *self, PyObject *val) | |
2129 | { |
|
2133 | { | |
2130 | char *node; |
|
2134 | char *node; | |
2131 | int rev; |
|
2135 | int rev; | |
2132 |
|
2136 | |||
2133 | if (node_check(val, &node) == -1) |
|
2137 | if (node_check(val, &node) == -1) | |
2134 | return NULL; |
|
2138 | return NULL; | |
2135 | rev = index_find_node(self, node, 20); |
|
2139 | rev = index_find_node(self, node, 20); | |
2136 | if (rev >= -1) |
|
2140 | if (rev >= -1) | |
2137 | return PyInt_FromLong(rev); |
|
2141 | return PyInt_FromLong(rev); | |
2138 | if (rev == -2) |
|
2142 | if (rev == -2) | |
2139 | raise_revlog_error(); |
|
2143 | raise_revlog_error(); | |
2140 | return NULL; |
|
2144 | return NULL; | |
2141 | } |
|
2145 | } | |
2142 |
|
2146 | |||
2143 | typedef uint64_t bitmask; |
|
2147 | typedef uint64_t bitmask; | |
2144 |
|
2148 | |||
2145 | /* |
|
2149 | /* | |
2146 | * Given a disjoint set of revs, return all candidates for the |
|
2150 | * Given a disjoint set of revs, return all candidates for the | |
2147 | * greatest common ancestor. In revset notation, this is the set |
|
2151 | * greatest common ancestor. In revset notation, this is the set | |
2148 | * "heads(::a and ::b and ...)" |
|
2152 | * "heads(::a and ::b and ...)" | |
2149 | */ |
|
2153 | */ | |
2150 | static PyObject *find_gca_candidates(indexObject *self, const int *revs, |
|
2154 | static PyObject *find_gca_candidates(indexObject *self, const int *revs, | |
2151 | int revcount) |
|
2155 | int revcount) | |
2152 | { |
|
2156 | { | |
2153 | const bitmask allseen = (1ull << revcount) - 1; |
|
2157 | const bitmask allseen = (1ull << revcount) - 1; | |
2154 | const bitmask poison = 1ull << revcount; |
|
2158 | const bitmask poison = 1ull << revcount; | |
2155 | PyObject *gca = PyList_New(0); |
|
2159 | PyObject *gca = PyList_New(0); | |
2156 | int i, v, interesting; |
|
2160 | int i, v, interesting; | |
2157 | int maxrev = -1; |
|
2161 | int maxrev = -1; | |
2158 | bitmask sp; |
|
2162 | bitmask sp; | |
2159 | bitmask *seen; |
|
2163 | bitmask *seen; | |
2160 |
|
2164 | |||
2161 | if (gca == NULL) |
|
2165 | if (gca == NULL) | |
2162 | return PyErr_NoMemory(); |
|
2166 | return PyErr_NoMemory(); | |
2163 |
|
2167 | |||
2164 | for (i = 0; i < revcount; i++) { |
|
2168 | for (i = 0; i < revcount; i++) { | |
2165 | if (revs[i] > maxrev) |
|
2169 | if (revs[i] > maxrev) | |
2166 | maxrev = revs[i]; |
|
2170 | maxrev = revs[i]; | |
2167 | } |
|
2171 | } | |
2168 |
|
2172 | |||
2169 | seen = calloc(sizeof(*seen), maxrev + 1); |
|
2173 | seen = calloc(sizeof(*seen), maxrev + 1); | |
2170 | if (seen == NULL) { |
|
2174 | if (seen == NULL) { | |
2171 | Py_DECREF(gca); |
|
2175 | Py_DECREF(gca); | |
2172 | return PyErr_NoMemory(); |
|
2176 | return PyErr_NoMemory(); | |
2173 | } |
|
2177 | } | |
2174 |
|
2178 | |||
2175 | for (i = 0; i < revcount; i++) |
|
2179 | for (i = 0; i < revcount; i++) | |
2176 | seen[revs[i]] = 1ull << i; |
|
2180 | seen[revs[i]] = 1ull << i; | |
2177 |
|
2181 | |||
2178 | interesting = revcount; |
|
2182 | interesting = revcount; | |
2179 |
|
2183 | |||
2180 | for (v = maxrev; v >= 0 && interesting; v--) { |
|
2184 | for (v = maxrev; v >= 0 && interesting; v--) { | |
2181 | bitmask sv = seen[v]; |
|
2185 | bitmask sv = seen[v]; | |
2182 | int parents[2]; |
|
2186 | int parents[2]; | |
2183 |
|
2187 | |||
2184 | if (!sv) |
|
2188 | if (!sv) | |
2185 | continue; |
|
2189 | continue; | |
2186 |
|
2190 | |||
2187 | if (sv < poison) { |
|
2191 | if (sv < poison) { | |
2188 | interesting -= 1; |
|
2192 | interesting -= 1; | |
2189 | if (sv == allseen) { |
|
2193 | if (sv == allseen) { | |
2190 | PyObject *obj = PyInt_FromLong(v); |
|
2194 | PyObject *obj = PyInt_FromLong(v); | |
2191 | if (obj == NULL) |
|
2195 | if (obj == NULL) | |
2192 | goto bail; |
|
2196 | goto bail; | |
2193 | if (PyList_Append(gca, obj) == -1) { |
|
2197 | if (PyList_Append(gca, obj) == -1) { | |
2194 | Py_DECREF(obj); |
|
2198 | Py_DECREF(obj); | |
2195 | goto bail; |
|
2199 | goto bail; | |
2196 | } |
|
2200 | } | |
2197 | sv |= poison; |
|
2201 | sv |= poison; | |
2198 | for (i = 0; i < revcount; i++) { |
|
2202 | for (i = 0; i < revcount; i++) { | |
2199 | if (revs[i] == v) |
|
2203 | if (revs[i] == v) | |
2200 | goto done; |
|
2204 | goto done; | |
2201 | } |
|
2205 | } | |
2202 | } |
|
2206 | } | |
2203 | } |
|
2207 | } | |
2204 | if (index_get_parents(self, v, parents, maxrev) < 0) |
|
2208 | if (index_get_parents(self, v, parents, maxrev) < 0) | |
2205 | goto bail; |
|
2209 | goto bail; | |
2206 |
|
2210 | |||
2207 | for (i = 0; i < 2; i++) { |
|
2211 | for (i = 0; i < 2; i++) { | |
2208 | int p = parents[i]; |
|
2212 | int p = parents[i]; | |
2209 | if (p == -1) |
|
2213 | if (p == -1) | |
2210 | continue; |
|
2214 | continue; | |
2211 | sp = seen[p]; |
|
2215 | sp = seen[p]; | |
2212 | if (sv < poison) { |
|
2216 | if (sv < poison) { | |
2213 | if (sp == 0) { |
|
2217 | if (sp == 0) { | |
2214 | seen[p] = sv; |
|
2218 | seen[p] = sv; | |
2215 | interesting++; |
|
2219 | interesting++; | |
2216 | } else if (sp != sv) |
|
2220 | } else if (sp != sv) | |
2217 | seen[p] |= sv; |
|
2221 | seen[p] |= sv; | |
2218 | } else { |
|
2222 | } else { | |
2219 | if (sp && sp < poison) |
|
2223 | if (sp && sp < poison) | |
2220 | interesting--; |
|
2224 | interesting--; | |
2221 | seen[p] = sv; |
|
2225 | seen[p] = sv; | |
2222 | } |
|
2226 | } | |
2223 | } |
|
2227 | } | |
2224 | } |
|
2228 | } | |
2225 |
|
2229 | |||
2226 | done: |
|
2230 | done: | |
2227 | free(seen); |
|
2231 | free(seen); | |
2228 | return gca; |
|
2232 | return gca; | |
2229 | bail: |
|
2233 | bail: | |
2230 | free(seen); |
|
2234 | free(seen); | |
2231 | Py_XDECREF(gca); |
|
2235 | Py_XDECREF(gca); | |
2232 | return NULL; |
|
2236 | return NULL; | |
2233 | } |
|
2237 | } | |
2234 |
|
2238 | |||
2235 | /* |
|
2239 | /* | |
2236 | * Given a disjoint set of revs, return the subset with the longest |
|
2240 | * Given a disjoint set of revs, return the subset with the longest | |
2237 | * path to the root. |
|
2241 | * path to the root. | |
2238 | */ |
|
2242 | */ | |
2239 | static PyObject *find_deepest(indexObject *self, PyObject *revs) |
|
2243 | static PyObject *find_deepest(indexObject *self, PyObject *revs) | |
2240 | { |
|
2244 | { | |
2241 | const Py_ssize_t revcount = PyList_GET_SIZE(revs); |
|
2245 | const Py_ssize_t revcount = PyList_GET_SIZE(revs); | |
2242 | static const Py_ssize_t capacity = 24; |
|
2246 | static const Py_ssize_t capacity = 24; | |
2243 | int *depth, *interesting = NULL; |
|
2247 | int *depth, *interesting = NULL; | |
2244 | int i, j, v, ninteresting; |
|
2248 | int i, j, v, ninteresting; | |
2245 | PyObject *dict = NULL, *keys = NULL; |
|
2249 | PyObject *dict = NULL, *keys = NULL; | |
2246 | long *seen = NULL; |
|
2250 | long *seen = NULL; | |
2247 | int maxrev = -1; |
|
2251 | int maxrev = -1; | |
2248 | long final; |
|
2252 | long final; | |
2249 |
|
2253 | |||
2250 | if (revcount > capacity) { |
|
2254 | if (revcount > capacity) { | |
2251 | PyErr_Format(PyExc_OverflowError, |
|
2255 | PyErr_Format(PyExc_OverflowError, | |
2252 | "bitset size (%ld) > capacity (%ld)", |
|
2256 | "bitset size (%ld) > capacity (%ld)", | |
2253 | (long)revcount, (long)capacity); |
|
2257 | (long)revcount, (long)capacity); | |
2254 | return NULL; |
|
2258 | return NULL; | |
2255 | } |
|
2259 | } | |
2256 |
|
2260 | |||
2257 | for (i = 0; i < revcount; i++) { |
|
2261 | for (i = 0; i < revcount; i++) { | |
2258 | int n = (int)PyInt_AsLong(PyList_GET_ITEM(revs, i)); |
|
2262 | int n = (int)PyInt_AsLong(PyList_GET_ITEM(revs, i)); | |
2259 | if (n > maxrev) |
|
2263 | if (n > maxrev) | |
2260 | maxrev = n; |
|
2264 | maxrev = n; | |
2261 | } |
|
2265 | } | |
2262 |
|
2266 | |||
2263 | depth = calloc(sizeof(*depth), maxrev + 1); |
|
2267 | depth = calloc(sizeof(*depth), maxrev + 1); | |
2264 | if (depth == NULL) |
|
2268 | if (depth == NULL) | |
2265 | return PyErr_NoMemory(); |
|
2269 | return PyErr_NoMemory(); | |
2266 |
|
2270 | |||
2267 | seen = calloc(sizeof(*seen), maxrev + 1); |
|
2271 | seen = calloc(sizeof(*seen), maxrev + 1); | |
2268 | if (seen == NULL) { |
|
2272 | if (seen == NULL) { | |
2269 | PyErr_NoMemory(); |
|
2273 | PyErr_NoMemory(); | |
2270 | goto bail; |
|
2274 | goto bail; | |
2271 | } |
|
2275 | } | |
2272 |
|
2276 | |||
2273 | interesting = calloc(sizeof(*interesting), ((size_t)1) << revcount); |
|
2277 | interesting = calloc(sizeof(*interesting), ((size_t)1) << revcount); | |
2274 | if (interesting == NULL) { |
|
2278 | if (interesting == NULL) { | |
2275 | PyErr_NoMemory(); |
|
2279 | PyErr_NoMemory(); | |
2276 | goto bail; |
|
2280 | goto bail; | |
2277 | } |
|
2281 | } | |
2278 |
|
2282 | |||
2279 | if (PyList_Sort(revs) == -1) |
|
2283 | if (PyList_Sort(revs) == -1) | |
2280 | goto bail; |
|
2284 | goto bail; | |
2281 |
|
2285 | |||
2282 | for (i = 0; i < revcount; i++) { |
|
2286 | for (i = 0; i < revcount; i++) { | |
2283 | int n = (int)PyInt_AsLong(PyList_GET_ITEM(revs, i)); |
|
2287 | int n = (int)PyInt_AsLong(PyList_GET_ITEM(revs, i)); | |
2284 | long b = 1l << i; |
|
2288 | long b = 1l << i; | |
2285 | depth[n] = 1; |
|
2289 | depth[n] = 1; | |
2286 | seen[n] = b; |
|
2290 | seen[n] = b; | |
2287 | interesting[b] = 1; |
|
2291 | interesting[b] = 1; | |
2288 | } |
|
2292 | } | |
2289 |
|
2293 | |||
2290 | /* invariant: ninteresting is the number of non-zero entries in |
|
2294 | /* invariant: ninteresting is the number of non-zero entries in | |
2291 | * interesting. */ |
|
2295 | * interesting. */ | |
2292 | ninteresting = (int)revcount; |
|
2296 | ninteresting = (int)revcount; | |
2293 |
|
2297 | |||
2294 | for (v = maxrev; v >= 0 && ninteresting > 1; v--) { |
|
2298 | for (v = maxrev; v >= 0 && ninteresting > 1; v--) { | |
2295 | int dv = depth[v]; |
|
2299 | int dv = depth[v]; | |
2296 | int parents[2]; |
|
2300 | int parents[2]; | |
2297 | long sv; |
|
2301 | long sv; | |
2298 |
|
2302 | |||
2299 | if (dv == 0) |
|
2303 | if (dv == 0) | |
2300 | continue; |
|
2304 | continue; | |
2301 |
|
2305 | |||
2302 | sv = seen[v]; |
|
2306 | sv = seen[v]; | |
2303 | if (index_get_parents(self, v, parents, maxrev) < 0) |
|
2307 | if (index_get_parents(self, v, parents, maxrev) < 0) | |
2304 | goto bail; |
|
2308 | goto bail; | |
2305 |
|
2309 | |||
2306 | for (i = 0; i < 2; i++) { |
|
2310 | for (i = 0; i < 2; i++) { | |
2307 | int p = parents[i]; |
|
2311 | int p = parents[i]; | |
2308 | long sp; |
|
2312 | long sp; | |
2309 | int dp; |
|
2313 | int dp; | |
2310 |
|
2314 | |||
2311 | if (p == -1) |
|
2315 | if (p == -1) | |
2312 | continue; |
|
2316 | continue; | |
2313 |
|
2317 | |||
2314 | dp = depth[p]; |
|
2318 | dp = depth[p]; | |
2315 | sp = seen[p]; |
|
2319 | sp = seen[p]; | |
2316 | if (dp <= dv) { |
|
2320 | if (dp <= dv) { | |
2317 | depth[p] = dv + 1; |
|
2321 | depth[p] = dv + 1; | |
2318 | if (sp != sv) { |
|
2322 | if (sp != sv) { | |
2319 | interesting[sv] += 1; |
|
2323 | interesting[sv] += 1; | |
2320 | seen[p] = sv; |
|
2324 | seen[p] = sv; | |
2321 | if (sp) { |
|
2325 | if (sp) { | |
2322 | interesting[sp] -= 1; |
|
2326 | interesting[sp] -= 1; | |
2323 | if (interesting[sp] == 0) |
|
2327 | if (interesting[sp] == 0) | |
2324 | ninteresting -= 1; |
|
2328 | ninteresting -= 1; | |
2325 | } |
|
2329 | } | |
2326 | } |
|
2330 | } | |
2327 | } else if (dv == dp - 1) { |
|
2331 | } else if (dv == dp - 1) { | |
2328 | long nsp = sp | sv; |
|
2332 | long nsp = sp | sv; | |
2329 | if (nsp == sp) |
|
2333 | if (nsp == sp) | |
2330 | continue; |
|
2334 | continue; | |
2331 | seen[p] = nsp; |
|
2335 | seen[p] = nsp; | |
2332 | interesting[sp] -= 1; |
|
2336 | interesting[sp] -= 1; | |
2333 | if (interesting[sp] == 0) |
|
2337 | if (interesting[sp] == 0) | |
2334 | ninteresting -= 1; |
|
2338 | ninteresting -= 1; | |
2335 | if (interesting[nsp] == 0) |
|
2339 | if (interesting[nsp] == 0) | |
2336 | ninteresting += 1; |
|
2340 | ninteresting += 1; | |
2337 | interesting[nsp] += 1; |
|
2341 | interesting[nsp] += 1; | |
2338 | } |
|
2342 | } | |
2339 | } |
|
2343 | } | |
2340 | interesting[sv] -= 1; |
|
2344 | interesting[sv] -= 1; | |
2341 | if (interesting[sv] == 0) |
|
2345 | if (interesting[sv] == 0) | |
2342 | ninteresting -= 1; |
|
2346 | ninteresting -= 1; | |
2343 | } |
|
2347 | } | |
2344 |
|
2348 | |||
2345 | final = 0; |
|
2349 | final = 0; | |
2346 | j = ninteresting; |
|
2350 | j = ninteresting; | |
2347 | for (i = 0; i < (int)(2 << revcount) && j > 0; i++) { |
|
2351 | for (i = 0; i < (int)(2 << revcount) && j > 0; i++) { | |
2348 | if (interesting[i] == 0) |
|
2352 | if (interesting[i] == 0) | |
2349 | continue; |
|
2353 | continue; | |
2350 | final |= i; |
|
2354 | final |= i; | |
2351 | j -= 1; |
|
2355 | j -= 1; | |
2352 | } |
|
2356 | } | |
2353 | if (final == 0) { |
|
2357 | if (final == 0) { | |
2354 | keys = PyList_New(0); |
|
2358 | keys = PyList_New(0); | |
2355 | goto bail; |
|
2359 | goto bail; | |
2356 | } |
|
2360 | } | |
2357 |
|
2361 | |||
2358 | dict = PyDict_New(); |
|
2362 | dict = PyDict_New(); | |
2359 | if (dict == NULL) |
|
2363 | if (dict == NULL) | |
2360 | goto bail; |
|
2364 | goto bail; | |
2361 |
|
2365 | |||
2362 | for (i = 0; i < revcount; i++) { |
|
2366 | for (i = 0; i < revcount; i++) { | |
2363 | PyObject *key; |
|
2367 | PyObject *key; | |
2364 |
|
2368 | |||
2365 | if ((final & (1 << i)) == 0) |
|
2369 | if ((final & (1 << i)) == 0) | |
2366 | continue; |
|
2370 | continue; | |
2367 |
|
2371 | |||
2368 | key = PyList_GET_ITEM(revs, i); |
|
2372 | key = PyList_GET_ITEM(revs, i); | |
2369 | Py_INCREF(key); |
|
2373 | Py_INCREF(key); | |
2370 | Py_INCREF(Py_None); |
|
2374 | Py_INCREF(Py_None); | |
2371 | if (PyDict_SetItem(dict, key, Py_None) == -1) { |
|
2375 | if (PyDict_SetItem(dict, key, Py_None) == -1) { | |
2372 | Py_DECREF(key); |
|
2376 | Py_DECREF(key); | |
2373 | Py_DECREF(Py_None); |
|
2377 | Py_DECREF(Py_None); | |
2374 | goto bail; |
|
2378 | goto bail; | |
2375 | } |
|
2379 | } | |
2376 | } |
|
2380 | } | |
2377 |
|
2381 | |||
2378 | keys = PyDict_Keys(dict); |
|
2382 | keys = PyDict_Keys(dict); | |
2379 |
|
2383 | |||
2380 | bail: |
|
2384 | bail: | |
2381 | free(depth); |
|
2385 | free(depth); | |
2382 | free(seen); |
|
2386 | free(seen); | |
2383 | free(interesting); |
|
2387 | free(interesting); | |
2384 | Py_XDECREF(dict); |
|
2388 | Py_XDECREF(dict); | |
2385 |
|
2389 | |||
2386 | return keys; |
|
2390 | return keys; | |
2387 | } |
|
2391 | } | |
2388 |
|
2392 | |||
2389 | /* |
|
2393 | /* | |
2390 | * Given a (possibly overlapping) set of revs, return all the |
|
2394 | * Given a (possibly overlapping) set of revs, return all the | |
2391 | * common ancestors heads: heads(::args[0] and ::a[1] and ...) |
|
2395 | * common ancestors heads: heads(::args[0] and ::a[1] and ...) | |
2392 | */ |
|
2396 | */ | |
2393 | static PyObject *index_commonancestorsheads(indexObject *self, PyObject *args) |
|
2397 | static PyObject *index_commonancestorsheads(indexObject *self, PyObject *args) | |
2394 | { |
|
2398 | { | |
2395 | PyObject *ret = NULL; |
|
2399 | PyObject *ret = NULL; | |
2396 | Py_ssize_t argcount, i, len; |
|
2400 | Py_ssize_t argcount, i, len; | |
2397 | bitmask repeat = 0; |
|
2401 | bitmask repeat = 0; | |
2398 | int revcount = 0; |
|
2402 | int revcount = 0; | |
2399 | int *revs; |
|
2403 | int *revs; | |
2400 |
|
2404 | |||
2401 | argcount = PySequence_Length(args); |
|
2405 | argcount = PySequence_Length(args); | |
2402 | revs = PyMem_Malloc(argcount * sizeof(*revs)); |
|
2406 | revs = PyMem_Malloc(argcount * sizeof(*revs)); | |
2403 | if (argcount > 0 && revs == NULL) |
|
2407 | if (argcount > 0 && revs == NULL) | |
2404 | return PyErr_NoMemory(); |
|
2408 | return PyErr_NoMemory(); | |
2405 | len = index_length(self); |
|
2409 | len = index_length(self); | |
2406 |
|
2410 | |||
2407 | for (i = 0; i < argcount; i++) { |
|
2411 | for (i = 0; i < argcount; i++) { | |
2408 | static const int capacity = 24; |
|
2412 | static const int capacity = 24; | |
2409 | PyObject *obj = PySequence_GetItem(args, i); |
|
2413 | PyObject *obj = PySequence_GetItem(args, i); | |
2410 | bitmask x; |
|
2414 | bitmask x; | |
2411 | long val; |
|
2415 | long val; | |
2412 |
|
2416 | |||
2413 | if (!PyInt_Check(obj)) { |
|
2417 | if (!PyInt_Check(obj)) { | |
2414 | PyErr_SetString(PyExc_TypeError, |
|
2418 | PyErr_SetString(PyExc_TypeError, | |
2415 | "arguments must all be ints"); |
|
2419 | "arguments must all be ints"); | |
2416 | Py_DECREF(obj); |
|
2420 | Py_DECREF(obj); | |
2417 | goto bail; |
|
2421 | goto bail; | |
2418 | } |
|
2422 | } | |
2419 | val = PyInt_AsLong(obj); |
|
2423 | val = PyInt_AsLong(obj); | |
2420 | Py_DECREF(obj); |
|
2424 | Py_DECREF(obj); | |
2421 | if (val == -1) { |
|
2425 | if (val == -1) { | |
2422 | ret = PyList_New(0); |
|
2426 | ret = PyList_New(0); | |
2423 | goto done; |
|
2427 | goto done; | |
2424 | } |
|
2428 | } | |
2425 | if (val < 0 || val >= len) { |
|
2429 | if (val < 0 || val >= len) { | |
2426 | PyErr_SetString(PyExc_IndexError, "index out of range"); |
|
2430 | PyErr_SetString(PyExc_IndexError, "index out of range"); | |
2427 | goto bail; |
|
2431 | goto bail; | |
2428 | } |
|
2432 | } | |
2429 | /* this cheesy bloom filter lets us avoid some more |
|
2433 | /* this cheesy bloom filter lets us avoid some more | |
2430 | * expensive duplicate checks in the common set-is-disjoint |
|
2434 | * expensive duplicate checks in the common set-is-disjoint | |
2431 | * case */ |
|
2435 | * case */ | |
2432 | x = 1ull << (val & 0x3f); |
|
2436 | x = 1ull << (val & 0x3f); | |
2433 | if (repeat & x) { |
|
2437 | if (repeat & x) { | |
2434 | int k; |
|
2438 | int k; | |
2435 | for (k = 0; k < revcount; k++) { |
|
2439 | for (k = 0; k < revcount; k++) { | |
2436 | if (val == revs[k]) |
|
2440 | if (val == revs[k]) | |
2437 | goto duplicate; |
|
2441 | goto duplicate; | |
2438 | } |
|
2442 | } | |
2439 | } else |
|
2443 | } else | |
2440 | repeat |= x; |
|
2444 | repeat |= x; | |
2441 | if (revcount >= capacity) { |
|
2445 | if (revcount >= capacity) { | |
2442 | PyErr_Format(PyExc_OverflowError, |
|
2446 | PyErr_Format(PyExc_OverflowError, | |
2443 | "bitset size (%d) > capacity (%d)", |
|
2447 | "bitset size (%d) > capacity (%d)", | |
2444 | revcount, capacity); |
|
2448 | revcount, capacity); | |
2445 | goto bail; |
|
2449 | goto bail; | |
2446 | } |
|
2450 | } | |
2447 | revs[revcount++] = (int)val; |
|
2451 | revs[revcount++] = (int)val; | |
2448 | duplicate:; |
|
2452 | duplicate:; | |
2449 | } |
|
2453 | } | |
2450 |
|
2454 | |||
2451 | if (revcount == 0) { |
|
2455 | if (revcount == 0) { | |
2452 | ret = PyList_New(0); |
|
2456 | ret = PyList_New(0); | |
2453 | goto done; |
|
2457 | goto done; | |
2454 | } |
|
2458 | } | |
2455 | if (revcount == 1) { |
|
2459 | if (revcount == 1) { | |
2456 | PyObject *obj; |
|
2460 | PyObject *obj; | |
2457 | ret = PyList_New(1); |
|
2461 | ret = PyList_New(1); | |
2458 | if (ret == NULL) |
|
2462 | if (ret == NULL) | |
2459 | goto bail; |
|
2463 | goto bail; | |
2460 | obj = PyInt_FromLong(revs[0]); |
|
2464 | obj = PyInt_FromLong(revs[0]); | |
2461 | if (obj == NULL) |
|
2465 | if (obj == NULL) | |
2462 | goto bail; |
|
2466 | goto bail; | |
2463 | PyList_SET_ITEM(ret, 0, obj); |
|
2467 | PyList_SET_ITEM(ret, 0, obj); | |
2464 | goto done; |
|
2468 | goto done; | |
2465 | } |
|
2469 | } | |
2466 |
|
2470 | |||
2467 | ret = find_gca_candidates(self, revs, revcount); |
|
2471 | ret = find_gca_candidates(self, revs, revcount); | |
2468 | if (ret == NULL) |
|
2472 | if (ret == NULL) | |
2469 | goto bail; |
|
2473 | goto bail; | |
2470 |
|
2474 | |||
2471 | done: |
|
2475 | done: | |
2472 | PyMem_Free(revs); |
|
2476 | PyMem_Free(revs); | |
2473 | return ret; |
|
2477 | return ret; | |
2474 |
|
2478 | |||
2475 | bail: |
|
2479 | bail: | |
2476 | PyMem_Free(revs); |
|
2480 | PyMem_Free(revs); | |
2477 | Py_XDECREF(ret); |
|
2481 | Py_XDECREF(ret); | |
2478 | return NULL; |
|
2482 | return NULL; | |
2479 | } |
|
2483 | } | |
2480 |
|
2484 | |||
2481 | /* |
|
2485 | /* | |
2482 | * Given a (possibly overlapping) set of revs, return the greatest |
|
2486 | * Given a (possibly overlapping) set of revs, return the greatest | |
2483 | * common ancestors: those with the longest path to the root. |
|
2487 | * common ancestors: those with the longest path to the root. | |
2484 | */ |
|
2488 | */ | |
2485 | static PyObject *index_ancestors(indexObject *self, PyObject *args) |
|
2489 | static PyObject *index_ancestors(indexObject *self, PyObject *args) | |
2486 | { |
|
2490 | { | |
2487 | PyObject *ret; |
|
2491 | PyObject *ret; | |
2488 | PyObject *gca = index_commonancestorsheads(self, args); |
|
2492 | PyObject *gca = index_commonancestorsheads(self, args); | |
2489 | if (gca == NULL) |
|
2493 | if (gca == NULL) | |
2490 | return NULL; |
|
2494 | return NULL; | |
2491 |
|
2495 | |||
2492 | if (PyList_GET_SIZE(gca) <= 1) { |
|
2496 | if (PyList_GET_SIZE(gca) <= 1) { | |
2493 | return gca; |
|
2497 | return gca; | |
2494 | } |
|
2498 | } | |
2495 |
|
2499 | |||
2496 | ret = find_deepest(self, gca); |
|
2500 | ret = find_deepest(self, gca); | |
2497 | Py_DECREF(gca); |
|
2501 | Py_DECREF(gca); | |
2498 | return ret; |
|
2502 | return ret; | |
2499 | } |
|
2503 | } | |
2500 |
|
2504 | |||
2501 | /* |
|
2505 | /* | |
2502 | * Invalidate any trie entries introduced by added revs. |
|
2506 | * Invalidate any trie entries introduced by added revs. | |
2503 | */ |
|
2507 | */ | |
2504 | static void index_invalidate_added(indexObject *self, Py_ssize_t start) |
|
2508 | static void index_invalidate_added(indexObject *self, Py_ssize_t start) | |
2505 | { |
|
2509 | { | |
2506 | Py_ssize_t i, len = PyList_GET_SIZE(self->added); |
|
2510 | Py_ssize_t i, len = PyList_GET_SIZE(self->added); | |
2507 |
|
2511 | |||
2508 | for (i = start; i < len; i++) { |
|
2512 | for (i = start; i < len; i++) { | |
2509 | PyObject *tuple = PyList_GET_ITEM(self->added, i); |
|
2513 | PyObject *tuple = PyList_GET_ITEM(self->added, i); | |
2510 | PyObject *node = PyTuple_GET_ITEM(tuple, 7); |
|
2514 | PyObject *node = PyTuple_GET_ITEM(tuple, 7); | |
2511 |
|
2515 | |||
2512 | nt_delete_node(&self->nt, PyBytes_AS_STRING(node)); |
|
2516 | nt_delete_node(&self->nt, PyBytes_AS_STRING(node)); | |
2513 | } |
|
2517 | } | |
2514 |
|
2518 | |||
2515 | if (start == 0) |
|
2519 | if (start == 0) | |
2516 | Py_CLEAR(self->added); |
|
2520 | Py_CLEAR(self->added); | |
2517 | } |
|
2521 | } | |
2518 |
|
2522 | |||
2519 | /* |
|
2523 | /* | |
2520 | * Delete a numeric range of revs, which must be at the end of the |
|
2524 | * Delete a numeric range of revs, which must be at the end of the | |
2521 | * range. |
|
2525 | * range. | |
2522 | */ |
|
2526 | */ | |
2523 | static int index_slice_del(indexObject *self, PyObject *item) |
|
2527 | static int index_slice_del(indexObject *self, PyObject *item) | |
2524 | { |
|
2528 | { | |
2525 | Py_ssize_t start, stop, step, slicelength; |
|
2529 | Py_ssize_t start, stop, step, slicelength; | |
2526 | Py_ssize_t length = index_length(self) + 1; |
|
2530 | Py_ssize_t length = index_length(self) + 1; | |
2527 | int ret = 0; |
|
2531 | int ret = 0; | |
2528 |
|
2532 | |||
2529 | /* Argument changed from PySliceObject* to PyObject* in Python 3. */ |
|
2533 | /* Argument changed from PySliceObject* to PyObject* in Python 3. */ | |
2530 | #ifdef IS_PY3K |
|
2534 | #ifdef IS_PY3K | |
2531 | if (PySlice_GetIndicesEx(item, length, &start, &stop, &step, |
|
2535 | if (PySlice_GetIndicesEx(item, length, &start, &stop, &step, | |
2532 | &slicelength) < 0) |
|
2536 | &slicelength) < 0) | |
2533 | #else |
|
2537 | #else | |
2534 | if (PySlice_GetIndicesEx((PySliceObject *)item, length, &start, &stop, |
|
2538 | if (PySlice_GetIndicesEx((PySliceObject *)item, length, &start, &stop, | |
2535 | &step, &slicelength) < 0) |
|
2539 | &step, &slicelength) < 0) | |
2536 | #endif |
|
2540 | #endif | |
2537 | return -1; |
|
2541 | return -1; | |
2538 |
|
2542 | |||
2539 | if (slicelength <= 0) |
|
2543 | if (slicelength <= 0) | |
2540 | return 0; |
|
2544 | return 0; | |
2541 |
|
2545 | |||
2542 | if ((step < 0 && start < stop) || (step > 0 && start > stop)) |
|
2546 | if ((step < 0 && start < stop) || (step > 0 && start > stop)) | |
2543 | stop = start; |
|
2547 | stop = start; | |
2544 |
|
2548 | |||
2545 | if (step < 0) { |
|
2549 | if (step < 0) { | |
2546 | stop = start + 1; |
|
2550 | stop = start + 1; | |
2547 | start = stop + step * (slicelength - 1) - 1; |
|
2551 | start = stop + step * (slicelength - 1) - 1; | |
2548 | step = -step; |
|
2552 | step = -step; | |
2549 | } |
|
2553 | } | |
2550 |
|
2554 | |||
2551 | if (step != 1) { |
|
2555 | if (step != 1) { | |
2552 | PyErr_SetString(PyExc_ValueError, |
|
2556 | PyErr_SetString(PyExc_ValueError, | |
2553 | "revlog index delete requires step size of 1"); |
|
2557 | "revlog index delete requires step size of 1"); | |
2554 | return -1; |
|
2558 | return -1; | |
2555 | } |
|
2559 | } | |
2556 |
|
2560 | |||
2557 | if (stop != length - 1) { |
|
2561 | if (stop != length - 1) { | |
2558 | PyErr_SetString(PyExc_IndexError, |
|
2562 | PyErr_SetString(PyExc_IndexError, | |
2559 | "revlog index deletion indices are invalid"); |
|
2563 | "revlog index deletion indices are invalid"); | |
2560 | return -1; |
|
2564 | return -1; | |
2561 | } |
|
2565 | } | |
2562 |
|
2566 | |||
2563 | if (start < self->length) { |
|
2567 | if (start < self->length) { | |
2564 | if (self->ntinitialized) { |
|
2568 | if (self->ntinitialized) { | |
2565 | Py_ssize_t i; |
|
2569 | Py_ssize_t i; | |
2566 |
|
2570 | |||
2567 | for (i = start; i < self->length; i++) { |
|
2571 | for (i = start; i < self->length; i++) { | |
2568 | const char *node = index_node_existing(self, i); |
|
2572 | const char *node = index_node_existing(self, i); | |
2569 | if (node == NULL) |
|
2573 | if (node == NULL) | |
2570 | return -1; |
|
2574 | return -1; | |
2571 |
|
2575 | |||
2572 | nt_delete_node(&self->nt, node); |
|
2576 | nt_delete_node(&self->nt, node); | |
2573 | } |
|
2577 | } | |
2574 | if (self->added) |
|
2578 | if (self->added) | |
2575 | index_invalidate_added(self, 0); |
|
2579 | index_invalidate_added(self, 0); | |
2576 | if (self->ntrev > start) |
|
2580 | if (self->ntrev > start) | |
2577 | self->ntrev = (int)start; |
|
2581 | self->ntrev = (int)start; | |
2578 | } else if (self->added) { |
|
2582 | } else if (self->added) { | |
2579 | Py_CLEAR(self->added); |
|
2583 | Py_CLEAR(self->added); | |
2580 | } |
|
2584 | } | |
2581 |
|
2585 | |||
2582 | self->length = start; |
|
2586 | self->length = start; | |
2583 | if (start < self->raw_length) { |
|
2587 | if (start < self->raw_length) { | |
2584 | if (self->cache) { |
|
2588 | if (self->cache) { | |
2585 | Py_ssize_t i; |
|
2589 | Py_ssize_t i; | |
2586 | for (i = start; i < self->raw_length; i++) |
|
2590 | for (i = start; i < self->raw_length; i++) | |
2587 | Py_CLEAR(self->cache[i]); |
|
2591 | Py_CLEAR(self->cache[i]); | |
2588 | } |
|
2592 | } | |
2589 | self->raw_length = start; |
|
2593 | self->raw_length = start; | |
2590 | } |
|
2594 | } | |
2591 | goto done; |
|
2595 | goto done; | |
2592 | } |
|
2596 | } | |
2593 |
|
2597 | |||
2594 | if (self->ntinitialized) { |
|
2598 | if (self->ntinitialized) { | |
2595 | index_invalidate_added(self, start - self->length); |
|
2599 | index_invalidate_added(self, start - self->length); | |
2596 | if (self->ntrev > start) |
|
2600 | if (self->ntrev > start) | |
2597 | self->ntrev = (int)start; |
|
2601 | self->ntrev = (int)start; | |
2598 | } |
|
2602 | } | |
2599 | if (self->added) |
|
2603 | if (self->added) | |
2600 | ret = PyList_SetSlice(self->added, start - self->length, |
|
2604 | ret = PyList_SetSlice(self->added, start - self->length, | |
2601 | PyList_GET_SIZE(self->added), NULL); |
|
2605 | PyList_GET_SIZE(self->added), NULL); | |
2602 | done: |
|
2606 | done: | |
2603 | Py_CLEAR(self->headrevs); |
|
2607 | Py_CLEAR(self->headrevs); | |
2604 | return ret; |
|
2608 | return ret; | |
2605 | } |
|
2609 | } | |
2606 |
|
2610 | |||
2607 | /* |
|
2611 | /* | |
2608 | * Supported ops: |
|
2612 | * Supported ops: | |
2609 | * |
|
2613 | * | |
2610 | * slice deletion |
|
2614 | * slice deletion | |
2611 | * string assignment (extend node->rev mapping) |
|
2615 | * string assignment (extend node->rev mapping) | |
2612 | * string deletion (shrink node->rev mapping) |
|
2616 | * string deletion (shrink node->rev mapping) | |
2613 | */ |
|
2617 | */ | |
2614 | static int index_assign_subscript(indexObject *self, PyObject *item, |
|
2618 | static int index_assign_subscript(indexObject *self, PyObject *item, | |
2615 | PyObject *value) |
|
2619 | PyObject *value) | |
2616 | { |
|
2620 | { | |
2617 | char *node; |
|
2621 | char *node; | |
2618 | long rev; |
|
2622 | long rev; | |
2619 |
|
2623 | |||
2620 | if (PySlice_Check(item) && value == NULL) |
|
2624 | if (PySlice_Check(item) && value == NULL) | |
2621 | return index_slice_del(self, item); |
|
2625 | return index_slice_del(self, item); | |
2622 |
|
2626 | |||
2623 | if (node_check(item, &node) == -1) |
|
2627 | if (node_check(item, &node) == -1) | |
2624 | return -1; |
|
2628 | return -1; | |
2625 |
|
2629 | |||
2626 | if (value == NULL) |
|
2630 | if (value == NULL) | |
2627 | return self->ntinitialized ? nt_delete_node(&self->nt, node) |
|
2631 | return self->ntinitialized ? nt_delete_node(&self->nt, node) | |
2628 | : 0; |
|
2632 | : 0; | |
2629 | rev = PyInt_AsLong(value); |
|
2633 | rev = PyInt_AsLong(value); | |
2630 | if (rev > INT_MAX || rev < 0) { |
|
2634 | if (rev > INT_MAX || rev < 0) { | |
2631 | if (!PyErr_Occurred()) |
|
2635 | if (!PyErr_Occurred()) | |
2632 | PyErr_SetString(PyExc_ValueError, "rev out of range"); |
|
2636 | PyErr_SetString(PyExc_ValueError, "rev out of range"); | |
2633 | return -1; |
|
2637 | return -1; | |
2634 | } |
|
2638 | } | |
2635 |
|
2639 | |||
2636 | if (index_init_nt(self) == -1) |
|
2640 | if (index_init_nt(self) == -1) | |
2637 | return -1; |
|
2641 | return -1; | |
2638 | return nt_insert(&self->nt, node, (int)rev); |
|
2642 | return nt_insert(&self->nt, node, (int)rev); | |
2639 | } |
|
2643 | } | |
2640 |
|
2644 | |||
2641 | /* |
|
2645 | /* | |
2642 | * Find all RevlogNG entries in an index that has inline data. Update |
|
2646 | * Find all RevlogNG entries in an index that has inline data. Update | |
2643 | * the optional "offsets" table with those entries. |
|
2647 | * the optional "offsets" table with those entries. | |
2644 | */ |
|
2648 | */ | |
2645 | static Py_ssize_t inline_scan(indexObject *self, const char **offsets) |
|
2649 | static Py_ssize_t inline_scan(indexObject *self, const char **offsets) | |
2646 | { |
|
2650 | { | |
2647 | const char *data = (const char *)self->buf.buf; |
|
2651 | const char *data = (const char *)self->buf.buf; | |
2648 | Py_ssize_t pos = 0; |
|
2652 | Py_ssize_t pos = 0; | |
2649 | Py_ssize_t end = self->buf.len; |
|
2653 | Py_ssize_t end = self->buf.len; | |
2650 | long incr = v1_hdrsize; |
|
2654 | long incr = v1_hdrsize; | |
2651 | Py_ssize_t len = 0; |
|
2655 | Py_ssize_t len = 0; | |
2652 |
|
2656 | |||
2653 | while (pos + v1_hdrsize <= end && pos >= 0) { |
|
2657 | while (pos + v1_hdrsize <= end && pos >= 0) { | |
2654 | uint32_t comp_len; |
|
2658 | uint32_t comp_len; | |
2655 | /* 3rd element of header is length of compressed inline data */ |
|
2659 | /* 3rd element of header is length of compressed inline data */ | |
2656 | comp_len = getbe32(data + pos + 8); |
|
2660 | comp_len = getbe32(data + pos + 8); | |
2657 | incr = v1_hdrsize + comp_len; |
|
2661 | incr = v1_hdrsize + comp_len; | |
2658 | if (offsets) |
|
2662 | if (offsets) | |
2659 | offsets[len] = data + pos; |
|
2663 | offsets[len] = data + pos; | |
2660 | len++; |
|
2664 | len++; | |
2661 | pos += incr; |
|
2665 | pos += incr; | |
2662 | } |
|
2666 | } | |
2663 |
|
2667 | |||
2664 | if (pos != end) { |
|
2668 | if (pos != end) { | |
2665 | if (!PyErr_Occurred()) |
|
2669 | if (!PyErr_Occurred()) | |
2666 | PyErr_SetString(PyExc_ValueError, "corrupt index file"); |
|
2670 | PyErr_SetString(PyExc_ValueError, "corrupt index file"); | |
2667 | return -1; |
|
2671 | return -1; | |
2668 | } |
|
2672 | } | |
2669 |
|
2673 | |||
2670 | return len; |
|
2674 | return len; | |
2671 | } |
|
2675 | } | |
2672 |
|
2676 | |||
2673 | static int index_init(indexObject *self, PyObject *args) |
|
2677 | static int index_init(indexObject *self, PyObject *args) | |
2674 | { |
|
2678 | { | |
2675 | PyObject *data_obj, *inlined_obj; |
|
2679 | PyObject *data_obj, *inlined_obj; | |
2676 | Py_ssize_t size; |
|
2680 | Py_ssize_t size; | |
2677 |
|
2681 | |||
2678 | /* Initialize before argument-checking to avoid index_dealloc() crash. |
|
2682 | /* Initialize before argument-checking to avoid index_dealloc() crash. | |
2679 | */ |
|
2683 | */ | |
2680 | self->raw_length = 0; |
|
2684 | self->raw_length = 0; | |
2681 | self->added = NULL; |
|
2685 | self->added = NULL; | |
2682 | self->cache = NULL; |
|
2686 | self->cache = NULL; | |
2683 | self->data = NULL; |
|
2687 | self->data = NULL; | |
2684 | memset(&self->buf, 0, sizeof(self->buf)); |
|
2688 | memset(&self->buf, 0, sizeof(self->buf)); | |
2685 | self->headrevs = NULL; |
|
2689 | self->headrevs = NULL; | |
2686 | self->filteredrevs = Py_None; |
|
2690 | self->filteredrevs = Py_None; | |
2687 | Py_INCREF(Py_None); |
|
2691 | Py_INCREF(Py_None); | |
2688 | self->ntinitialized = 0; |
|
2692 | self->ntinitialized = 0; | |
2689 | self->offsets = NULL; |
|
2693 | self->offsets = NULL; | |
2690 |
|
2694 | |||
2691 | if (!PyArg_ParseTuple(args, "OO", &data_obj, &inlined_obj)) |
|
2695 | if (!PyArg_ParseTuple(args, "OO", &data_obj, &inlined_obj)) | |
2692 | return -1; |
|
2696 | return -1; | |
2693 | if (!PyObject_CheckBuffer(data_obj)) { |
|
2697 | if (!PyObject_CheckBuffer(data_obj)) { | |
2694 | PyErr_SetString(PyExc_TypeError, |
|
2698 | PyErr_SetString(PyExc_TypeError, | |
2695 | "data does not support buffer interface"); |
|
2699 | "data does not support buffer interface"); | |
2696 | return -1; |
|
2700 | return -1; | |
2697 | } |
|
2701 | } | |
2698 |
|
2702 | |||
2699 | if (PyObject_GetBuffer(data_obj, &self->buf, PyBUF_SIMPLE) == -1) |
|
2703 | if (PyObject_GetBuffer(data_obj, &self->buf, PyBUF_SIMPLE) == -1) | |
2700 | return -1; |
|
2704 | return -1; | |
2701 | size = self->buf.len; |
|
2705 | size = self->buf.len; | |
2702 |
|
2706 | |||
2703 | self->inlined = inlined_obj && PyObject_IsTrue(inlined_obj); |
|
2707 | self->inlined = inlined_obj && PyObject_IsTrue(inlined_obj); | |
2704 | self->data = data_obj; |
|
2708 | self->data = data_obj; | |
2705 |
|
2709 | |||
2706 | self->ntlookups = self->ntmisses = 0; |
|
2710 | self->ntlookups = self->ntmisses = 0; | |
2707 | self->ntrev = -1; |
|
2711 | self->ntrev = -1; | |
2708 | Py_INCREF(self->data); |
|
2712 | Py_INCREF(self->data); | |
2709 |
|
2713 | |||
2710 | if (self->inlined) { |
|
2714 | if (self->inlined) { | |
2711 | Py_ssize_t len = inline_scan(self, NULL); |
|
2715 | Py_ssize_t len = inline_scan(self, NULL); | |
2712 | if (len == -1) |
|
2716 | if (len == -1) | |
2713 | goto bail; |
|
2717 | goto bail; | |
2714 | self->raw_length = len; |
|
2718 | self->raw_length = len; | |
2715 | self->length = len; |
|
2719 | self->length = len; | |
2716 | } else { |
|
2720 | } else { | |
2717 | if (size % v1_hdrsize) { |
|
2721 | if (size % v1_hdrsize) { | |
2718 | PyErr_SetString(PyExc_ValueError, "corrupt index file"); |
|
2722 | PyErr_SetString(PyExc_ValueError, "corrupt index file"); | |
2719 | goto bail; |
|
2723 | goto bail; | |
2720 | } |
|
2724 | } | |
2721 | self->raw_length = size / v1_hdrsize; |
|
2725 | self->raw_length = size / v1_hdrsize; | |
2722 | self->length = self->raw_length; |
|
2726 | self->length = self->raw_length; | |
2723 | } |
|
2727 | } | |
2724 |
|
2728 | |||
2725 | return 0; |
|
2729 | return 0; | |
2726 | bail: |
|
2730 | bail: | |
2727 | return -1; |
|
2731 | return -1; | |
2728 | } |
|
2732 | } | |
2729 |
|
2733 | |||
2730 | static PyObject *index_nodemap(indexObject *self) |
|
2734 | static PyObject *index_nodemap(indexObject *self) | |
2731 | { |
|
2735 | { | |
2732 | Py_INCREF(self); |
|
2736 | Py_INCREF(self); | |
2733 | return (PyObject *)self; |
|
2737 | return (PyObject *)self; | |
2734 | } |
|
2738 | } | |
2735 |
|
2739 | |||
2736 | static void _index_clearcaches(indexObject *self) |
|
2740 | static void _index_clearcaches(indexObject *self) | |
2737 | { |
|
2741 | { | |
2738 | if (self->cache) { |
|
2742 | if (self->cache) { | |
2739 | Py_ssize_t i; |
|
2743 | Py_ssize_t i; | |
2740 |
|
2744 | |||
2741 | for (i = 0; i < self->raw_length; i++) |
|
2745 | for (i = 0; i < self->raw_length; i++) | |
2742 | Py_CLEAR(self->cache[i]); |
|
2746 | Py_CLEAR(self->cache[i]); | |
2743 | free(self->cache); |
|
2747 | free(self->cache); | |
2744 | self->cache = NULL; |
|
2748 | self->cache = NULL; | |
2745 | } |
|
2749 | } | |
2746 | if (self->offsets) { |
|
2750 | if (self->offsets) { | |
2747 | PyMem_Free((void *)self->offsets); |
|
2751 | PyMem_Free((void *)self->offsets); | |
2748 | self->offsets = NULL; |
|
2752 | self->offsets = NULL; | |
2749 | } |
|
2753 | } | |
2750 | if (self->ntinitialized) { |
|
2754 | if (self->ntinitialized) { | |
2751 | nt_dealloc(&self->nt); |
|
2755 | nt_dealloc(&self->nt); | |
2752 | } |
|
2756 | } | |
2753 | self->ntinitialized = 0; |
|
2757 | self->ntinitialized = 0; | |
2754 | Py_CLEAR(self->headrevs); |
|
2758 | Py_CLEAR(self->headrevs); | |
2755 | } |
|
2759 | } | |
2756 |
|
2760 | |||
2757 | static PyObject *index_clearcaches(indexObject *self) |
|
2761 | static PyObject *index_clearcaches(indexObject *self) | |
2758 | { |
|
2762 | { | |
2759 | _index_clearcaches(self); |
|
2763 | _index_clearcaches(self); | |
2760 | self->ntrev = -1; |
|
2764 | self->ntrev = -1; | |
2761 | self->ntlookups = self->ntmisses = 0; |
|
2765 | self->ntlookups = self->ntmisses = 0; | |
2762 | Py_RETURN_NONE; |
|
2766 | Py_RETURN_NONE; | |
2763 | } |
|
2767 | } | |
2764 |
|
2768 | |||
2765 | static void index_dealloc(indexObject *self) |
|
2769 | static void index_dealloc(indexObject *self) | |
2766 | { |
|
2770 | { | |
2767 | _index_clearcaches(self); |
|
2771 | _index_clearcaches(self); | |
2768 | Py_XDECREF(self->filteredrevs); |
|
2772 | Py_XDECREF(self->filteredrevs); | |
2769 | if (self->buf.buf) { |
|
2773 | if (self->buf.buf) { | |
2770 | PyBuffer_Release(&self->buf); |
|
2774 | PyBuffer_Release(&self->buf); | |
2771 | memset(&self->buf, 0, sizeof(self->buf)); |
|
2775 | memset(&self->buf, 0, sizeof(self->buf)); | |
2772 | } |
|
2776 | } | |
2773 | Py_XDECREF(self->data); |
|
2777 | Py_XDECREF(self->data); | |
2774 | Py_XDECREF(self->added); |
|
2778 | Py_XDECREF(self->added); | |
2775 | PyObject_Del(self); |
|
2779 | PyObject_Del(self); | |
2776 | } |
|
2780 | } | |
2777 |
|
2781 | |||
2778 | static PySequenceMethods index_sequence_methods = { |
|
2782 | static PySequenceMethods index_sequence_methods = { | |
2779 | (lenfunc)index_length, /* sq_length */ |
|
2783 | (lenfunc)index_length, /* sq_length */ | |
2780 | 0, /* sq_concat */ |
|
2784 | 0, /* sq_concat */ | |
2781 | 0, /* sq_repeat */ |
|
2785 | 0, /* sq_repeat */ | |
2782 | (ssizeargfunc)index_get, /* sq_item */ |
|
2786 | (ssizeargfunc)index_get, /* sq_item */ | |
2783 | 0, /* sq_slice */ |
|
2787 | 0, /* sq_slice */ | |
2784 | 0, /* sq_ass_item */ |
|
2788 | 0, /* sq_ass_item */ | |
2785 | 0, /* sq_ass_slice */ |
|
2789 | 0, /* sq_ass_slice */ | |
2786 | (objobjproc)index_contains, /* sq_contains */ |
|
2790 | (objobjproc)index_contains, /* sq_contains */ | |
2787 | }; |
|
2791 | }; | |
2788 |
|
2792 | |||
2789 | static PyMappingMethods index_mapping_methods = { |
|
2793 | static PyMappingMethods index_mapping_methods = { | |
2790 | (lenfunc)index_length, /* mp_length */ |
|
2794 | (lenfunc)index_length, /* mp_length */ | |
2791 | (binaryfunc)index_getitem, /* mp_subscript */ |
|
2795 | (binaryfunc)index_getitem, /* mp_subscript */ | |
2792 | (objobjargproc)index_assign_subscript, /* mp_ass_subscript */ |
|
2796 | (objobjargproc)index_assign_subscript, /* mp_ass_subscript */ | |
2793 | }; |
|
2797 | }; | |
2794 |
|
2798 | |||
2795 | static PyMethodDef index_methods[] = { |
|
2799 | static PyMethodDef index_methods[] = { | |
2796 | {"ancestors", (PyCFunction)index_ancestors, METH_VARARGS, |
|
2800 | {"ancestors", (PyCFunction)index_ancestors, METH_VARARGS, | |
2797 | "return the gca set of the given revs"}, |
|
2801 | "return the gca set of the given revs"}, | |
2798 | {"commonancestorsheads", (PyCFunction)index_commonancestorsheads, |
|
2802 | {"commonancestorsheads", (PyCFunction)index_commonancestorsheads, | |
2799 | METH_VARARGS, |
|
2803 | METH_VARARGS, | |
2800 | "return the heads of the common ancestors of the given revs"}, |
|
2804 | "return the heads of the common ancestors of the given revs"}, | |
2801 | {"clearcaches", (PyCFunction)index_clearcaches, METH_NOARGS, |
|
2805 | {"clearcaches", (PyCFunction)index_clearcaches, METH_NOARGS, | |
2802 | "clear the index caches"}, |
|
2806 | "clear the index caches"}, | |
2803 | {"get", (PyCFunction)index_m_get, METH_VARARGS, "get an index entry"}, |
|
2807 | {"get", (PyCFunction)index_m_get, METH_VARARGS, "get an index entry"}, | |
2804 | {"get_rev", (PyCFunction)index_m_get, METH_VARARGS, |
|
2808 | {"get_rev", (PyCFunction)index_m_get, METH_VARARGS, | |
2805 | "return `rev` associated with a node or None"}, |
|
2809 | "return `rev` associated with a node or None"}, | |
2806 | {"has_node", (PyCFunction)index_m_has_node, METH_O, |
|
2810 | {"has_node", (PyCFunction)index_m_has_node, METH_O, | |
2807 | "return True if the node exist in the index"}, |
|
2811 | "return True if the node exist in the index"}, | |
2808 | {"rev", (PyCFunction)index_m_rev, METH_O, |
|
2812 | {"rev", (PyCFunction)index_m_rev, METH_O, | |
2809 | "return `rev` associated with a node or raise RevlogError"}, |
|
2813 | "return `rev` associated with a node or raise RevlogError"}, | |
2810 | {"computephasesmapsets", (PyCFunction)compute_phases_map_sets, METH_VARARGS, |
|
2814 | {"computephasesmapsets", (PyCFunction)compute_phases_map_sets, METH_VARARGS, | |
2811 | "compute phases"}, |
|
2815 | "compute phases"}, | |
2812 | {"reachableroots2", (PyCFunction)reachableroots2, METH_VARARGS, |
|
2816 | {"reachableroots2", (PyCFunction)reachableroots2, METH_VARARGS, | |
2813 | "reachableroots"}, |
|
2817 | "reachableroots"}, | |
2814 | {"headrevs", (PyCFunction)index_headrevs, METH_VARARGS, |
|
2818 | {"headrevs", (PyCFunction)index_headrevs, METH_VARARGS, | |
2815 | "get head revisions"}, /* Can do filtering since 3.2 */ |
|
2819 | "get head revisions"}, /* Can do filtering since 3.2 */ | |
2816 | {"headrevsfiltered", (PyCFunction)index_headrevs, METH_VARARGS, |
|
2820 | {"headrevsfiltered", (PyCFunction)index_headrevs, METH_VARARGS, | |
2817 | "get filtered head revisions"}, /* Can always do filtering */ |
|
2821 | "get filtered head revisions"}, /* Can always do filtering */ | |
2818 | {"issnapshot", (PyCFunction)index_issnapshot, METH_O, |
|
2822 | {"issnapshot", (PyCFunction)index_issnapshot, METH_O, | |
2819 | "True if the object is a snapshot"}, |
|
2823 | "True if the object is a snapshot"}, | |
2820 | {"findsnapshots", (PyCFunction)index_findsnapshots, METH_VARARGS, |
|
2824 | {"findsnapshots", (PyCFunction)index_findsnapshots, METH_VARARGS, | |
2821 | "Gather snapshot data in a cache dict"}, |
|
2825 | "Gather snapshot data in a cache dict"}, | |
2822 | {"deltachain", (PyCFunction)index_deltachain, METH_VARARGS, |
|
2826 | {"deltachain", (PyCFunction)index_deltachain, METH_VARARGS, | |
2823 | "determine revisions with deltas to reconstruct fulltext"}, |
|
2827 | "determine revisions with deltas to reconstruct fulltext"}, | |
2824 | {"slicechunktodensity", (PyCFunction)index_slicechunktodensity, |
|
2828 | {"slicechunktodensity", (PyCFunction)index_slicechunktodensity, | |
2825 | METH_VARARGS, "determine revisions with deltas to reconstruct fulltext"}, |
|
2829 | METH_VARARGS, "determine revisions with deltas to reconstruct fulltext"}, | |
2826 | {"append", (PyCFunction)index_append, METH_O, "append an index entry"}, |
|
2830 | {"append", (PyCFunction)index_append, METH_O, "append an index entry"}, | |
2827 | {"partialmatch", (PyCFunction)index_partialmatch, METH_VARARGS, |
|
2831 | {"partialmatch", (PyCFunction)index_partialmatch, METH_VARARGS, | |
2828 | "match a potentially ambiguous node ID"}, |
|
2832 | "match a potentially ambiguous node ID"}, | |
2829 | {"shortest", (PyCFunction)index_shortest, METH_VARARGS, |
|
2833 | {"shortest", (PyCFunction)index_shortest, METH_VARARGS, | |
2830 | "find length of shortest hex nodeid of a binary ID"}, |
|
2834 | "find length of shortest hex nodeid of a binary ID"}, | |
2831 | {"stats", (PyCFunction)index_stats, METH_NOARGS, "stats for the index"}, |
|
2835 | {"stats", (PyCFunction)index_stats, METH_NOARGS, "stats for the index"}, | |
2832 | {NULL} /* Sentinel */ |
|
2836 | {NULL} /* Sentinel */ | |
2833 | }; |
|
2837 | }; | |
2834 |
|
2838 | |||
2835 | static PyGetSetDef index_getset[] = { |
|
2839 | static PyGetSetDef index_getset[] = { | |
2836 | {"nodemap", (getter)index_nodemap, NULL, "nodemap", NULL}, |
|
2840 | {"nodemap", (getter)index_nodemap, NULL, "nodemap", NULL}, | |
2837 | {NULL} /* Sentinel */ |
|
2841 | {NULL} /* Sentinel */ | |
2838 | }; |
|
2842 | }; | |
2839 |
|
2843 | |||
2840 | PyTypeObject HgRevlogIndex_Type = { |
|
2844 | PyTypeObject HgRevlogIndex_Type = { | |
2841 | PyVarObject_HEAD_INIT(NULL, 0) /* header */ |
|
2845 | PyVarObject_HEAD_INIT(NULL, 0) /* header */ | |
2842 | "parsers.index", /* tp_name */ |
|
2846 | "parsers.index", /* tp_name */ | |
2843 | sizeof(indexObject), /* tp_basicsize */ |
|
2847 | sizeof(indexObject), /* tp_basicsize */ | |
2844 | 0, /* tp_itemsize */ |
|
2848 | 0, /* tp_itemsize */ | |
2845 | (destructor)index_dealloc, /* tp_dealloc */ |
|
2849 | (destructor)index_dealloc, /* tp_dealloc */ | |
2846 | 0, /* tp_print */ |
|
2850 | 0, /* tp_print */ | |
2847 | 0, /* tp_getattr */ |
|
2851 | 0, /* tp_getattr */ | |
2848 | 0, /* tp_setattr */ |
|
2852 | 0, /* tp_setattr */ | |
2849 | 0, /* tp_compare */ |
|
2853 | 0, /* tp_compare */ | |
2850 | 0, /* tp_repr */ |
|
2854 | 0, /* tp_repr */ | |
2851 | 0, /* tp_as_number */ |
|
2855 | 0, /* tp_as_number */ | |
2852 | &index_sequence_methods, /* tp_as_sequence */ |
|
2856 | &index_sequence_methods, /* tp_as_sequence */ | |
2853 | &index_mapping_methods, /* tp_as_mapping */ |
|
2857 | &index_mapping_methods, /* tp_as_mapping */ | |
2854 | 0, /* tp_hash */ |
|
2858 | 0, /* tp_hash */ | |
2855 | 0, /* tp_call */ |
|
2859 | 0, /* tp_call */ | |
2856 | 0, /* tp_str */ |
|
2860 | 0, /* tp_str */ | |
2857 | 0, /* tp_getattro */ |
|
2861 | 0, /* tp_getattro */ | |
2858 | 0, /* tp_setattro */ |
|
2862 | 0, /* tp_setattro */ | |
2859 | 0, /* tp_as_buffer */ |
|
2863 | 0, /* tp_as_buffer */ | |
2860 | Py_TPFLAGS_DEFAULT, /* tp_flags */ |
|
2864 | Py_TPFLAGS_DEFAULT, /* tp_flags */ | |
2861 | "revlog index", /* tp_doc */ |
|
2865 | "revlog index", /* tp_doc */ | |
2862 | 0, /* tp_traverse */ |
|
2866 | 0, /* tp_traverse */ | |
2863 | 0, /* tp_clear */ |
|
2867 | 0, /* tp_clear */ | |
2864 | 0, /* tp_richcompare */ |
|
2868 | 0, /* tp_richcompare */ | |
2865 | 0, /* tp_weaklistoffset */ |
|
2869 | 0, /* tp_weaklistoffset */ | |
2866 | 0, /* tp_iter */ |
|
2870 | 0, /* tp_iter */ | |
2867 | 0, /* tp_iternext */ |
|
2871 | 0, /* tp_iternext */ | |
2868 | index_methods, /* tp_methods */ |
|
2872 | index_methods, /* tp_methods */ | |
2869 | 0, /* tp_members */ |
|
2873 | 0, /* tp_members */ | |
2870 | index_getset, /* tp_getset */ |
|
2874 | index_getset, /* tp_getset */ | |
2871 | 0, /* tp_base */ |
|
2875 | 0, /* tp_base */ | |
2872 | 0, /* tp_dict */ |
|
2876 | 0, /* tp_dict */ | |
2873 | 0, /* tp_descr_get */ |
|
2877 | 0, /* tp_descr_get */ | |
2874 | 0, /* tp_descr_set */ |
|
2878 | 0, /* tp_descr_set */ | |
2875 | 0, /* tp_dictoffset */ |
|
2879 | 0, /* tp_dictoffset */ | |
2876 | (initproc)index_init, /* tp_init */ |
|
2880 | (initproc)index_init, /* tp_init */ | |
2877 | 0, /* tp_alloc */ |
|
2881 | 0, /* tp_alloc */ | |
2878 | }; |
|
2882 | }; | |
2879 |
|
2883 | |||
2880 | /* |
|
2884 | /* | |
2881 | * returns a tuple of the form (index, index, cache) with elements as |
|
2885 | * returns a tuple of the form (index, index, cache) with elements as | |
2882 | * follows: |
|
2886 | * follows: | |
2883 | * |
|
2887 | * | |
2884 | * index: an index object that lazily parses RevlogNG records |
|
2888 | * index: an index object that lazily parses RevlogNG records | |
2885 | * cache: if data is inlined, a tuple (0, index_file_content), else None |
|
2889 | * cache: if data is inlined, a tuple (0, index_file_content), else None | |
2886 | * index_file_content could be a string, or a buffer |
|
2890 | * index_file_content could be a string, or a buffer | |
2887 | * |
|
2891 | * | |
2888 | * added complications are for backwards compatibility |
|
2892 | * added complications are for backwards compatibility | |
2889 | */ |
|
2893 | */ | |
2890 | PyObject *parse_index2(PyObject *self, PyObject *args) |
|
2894 | PyObject *parse_index2(PyObject *self, PyObject *args) | |
2891 | { |
|
2895 | { | |
2892 | PyObject *cache = NULL; |
|
2896 | PyObject *cache = NULL; | |
2893 | indexObject *idx; |
|
2897 | indexObject *idx; | |
2894 | int ret; |
|
2898 | int ret; | |
2895 |
|
2899 | |||
2896 | idx = PyObject_New(indexObject, &HgRevlogIndex_Type); |
|
2900 | idx = PyObject_New(indexObject, &HgRevlogIndex_Type); | |
2897 | if (idx == NULL) |
|
2901 | if (idx == NULL) | |
2898 | goto bail; |
|
2902 | goto bail; | |
2899 |
|
2903 | |||
2900 | ret = index_init(idx, args); |
|
2904 | ret = index_init(idx, args); | |
2901 | if (ret == -1) |
|
2905 | if (ret == -1) | |
2902 | goto bail; |
|
2906 | goto bail; | |
2903 |
|
2907 | |||
2904 | if (idx->inlined) { |
|
2908 | if (idx->inlined) { | |
2905 | cache = Py_BuildValue("iO", 0, idx->data); |
|
2909 | cache = Py_BuildValue("iO", 0, idx->data); | |
2906 | if (cache == NULL) |
|
2910 | if (cache == NULL) | |
2907 | goto bail; |
|
2911 | goto bail; | |
2908 | } else { |
|
2912 | } else { | |
2909 | cache = Py_None; |
|
2913 | cache = Py_None; | |
2910 | Py_INCREF(cache); |
|
2914 | Py_INCREF(cache); | |
2911 | } |
|
2915 | } | |
2912 |
|
2916 | |||
2913 | return Py_BuildValue("NN", idx, cache); |
|
2917 | return Py_BuildValue("NN", idx, cache); | |
2914 |
|
2918 | |||
2915 | bail: |
|
2919 | bail: | |
2916 | Py_XDECREF(idx); |
|
2920 | Py_XDECREF(idx); | |
2917 | Py_XDECREF(cache); |
|
2921 | Py_XDECREF(cache); | |
2918 | return NULL; |
|
2922 | return NULL; | |
2919 | } |
|
2923 | } | |
2920 |
|
2924 | |||
2921 | static Revlog_CAPI CAPI = { |
|
2925 | static Revlog_CAPI CAPI = { | |
2922 | /* increment the abi_version field upon each change in the Revlog_CAPI |
|
2926 | /* increment the abi_version field upon each change in the Revlog_CAPI | |
2923 | struct or in the ABI of the listed functions */ |
|
2927 | struct or in the ABI of the listed functions */ | |
2924 | 2, |
|
2928 | 2, | |
2925 | index_length, |
|
2929 | index_length, | |
2926 | index_node, |
|
2930 | index_node, | |
2927 | HgRevlogIndex_GetParents, |
|
2931 | HgRevlogIndex_GetParents, | |
2928 | }; |
|
2932 | }; | |
2929 |
|
2933 | |||
2930 | void revlog_module_init(PyObject *mod) |
|
2934 | void revlog_module_init(PyObject *mod) | |
2931 | { |
|
2935 | { | |
2932 | PyObject *caps = NULL; |
|
2936 | PyObject *caps = NULL; | |
2933 | HgRevlogIndex_Type.tp_new = PyType_GenericNew; |
|
2937 | HgRevlogIndex_Type.tp_new = PyType_GenericNew; | |
2934 | if (PyType_Ready(&HgRevlogIndex_Type) < 0) |
|
2938 | if (PyType_Ready(&HgRevlogIndex_Type) < 0) | |
2935 | return; |
|
2939 | return; | |
2936 | Py_INCREF(&HgRevlogIndex_Type); |
|
2940 | Py_INCREF(&HgRevlogIndex_Type); | |
2937 | PyModule_AddObject(mod, "index", (PyObject *)&HgRevlogIndex_Type); |
|
2941 | PyModule_AddObject(mod, "index", (PyObject *)&HgRevlogIndex_Type); | |
2938 |
|
2942 | |||
2939 | nodetreeType.tp_new = PyType_GenericNew; |
|
2943 | nodetreeType.tp_new = PyType_GenericNew; | |
2940 | if (PyType_Ready(&nodetreeType) < 0) |
|
2944 | if (PyType_Ready(&nodetreeType) < 0) | |
2941 | return; |
|
2945 | return; | |
2942 | Py_INCREF(&nodetreeType); |
|
2946 | Py_INCREF(&nodetreeType); | |
2943 | PyModule_AddObject(mod, "nodetree", (PyObject *)&nodetreeType); |
|
2947 | PyModule_AddObject(mod, "nodetree", (PyObject *)&nodetreeType); | |
2944 |
|
2948 | |||
2945 | if (!nullentry) { |
|
2949 | if (!nullentry) { | |
2946 | nullentry = |
|
2950 | nullentry = | |
2947 | Py_BuildValue(PY23("iiiiiiis#", "iiiiiiiy#"), 0, 0, 0, -1, |
|
2951 | Py_BuildValue(PY23("iiiiiiis#", "iiiiiiiy#"), 0, 0, 0, -1, | |
2948 | -1, -1, -1, nullid, (Py_ssize_t)20); |
|
2952 | -1, -1, -1, nullid, (Py_ssize_t)20); | |
2949 | } |
|
2953 | } | |
2950 | if (nullentry) |
|
2954 | if (nullentry) | |
2951 | PyObject_GC_UnTrack(nullentry); |
|
2955 | PyObject_GC_UnTrack(nullentry); | |
2952 |
|
2956 | |||
2953 | caps = PyCapsule_New(&CAPI, "mercurial.cext.parsers.revlog_CAPI", NULL); |
|
2957 | caps = PyCapsule_New(&CAPI, "mercurial.cext.parsers.revlog_CAPI", NULL); | |
2954 | if (caps != NULL) |
|
2958 | if (caps != NULL) | |
2955 | PyModule_AddObject(mod, "revlog_CAPI", caps); |
|
2959 | PyModule_AddObject(mod, "revlog_CAPI", caps); | |
2956 | } |
|
2960 | } |
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