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@@ -1,3300 +1,3300 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 Olivia Mackall <olivia@selenic.com> and others |
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4 | Copyright 2008 Olivia Mackall <olivia@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 | #include <structmember.h> |
|
18 | #include <structmember.h> | |
19 |
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19 | |||
20 | #include "bitmanipulation.h" |
|
20 | #include "bitmanipulation.h" | |
21 | #include "charencode.h" |
|
21 | #include "charencode.h" | |
22 | #include "compat.h" |
|
22 | #include "compat.h" | |
23 | #include "revlog.h" |
|
23 | #include "revlog.h" | |
24 | #include "util.h" |
|
24 | #include "util.h" | |
25 |
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25 | |||
26 | typedef struct indexObjectStruct indexObject; |
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26 | typedef struct indexObjectStruct indexObject; | |
27 |
|
27 | |||
28 | typedef struct { |
|
28 | typedef struct { | |
29 | int children[16]; |
|
29 | int children[16]; | |
30 | } nodetreenode; |
|
30 | } nodetreenode; | |
31 |
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31 | |||
32 | typedef struct { |
|
32 | typedef struct { | |
33 | int abi_version; |
|
33 | int abi_version; | |
34 | Py_ssize_t (*index_length)(const indexObject *); |
|
34 | Py_ssize_t (*index_length)(const indexObject *); | |
35 | const char *(*index_node)(indexObject *, Py_ssize_t); |
|
35 | const char *(*index_node)(indexObject *, Py_ssize_t); | |
36 | int (*fast_rank)(indexObject *, Py_ssize_t); |
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36 | int (*fast_rank)(indexObject *, Py_ssize_t); | |
37 | int (*index_parents)(PyObject *, int, int *); |
|
37 | int (*index_parents)(PyObject *, int, int *); | |
38 | } Revlog_CAPI; |
|
38 | } Revlog_CAPI; | |
39 |
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39 | |||
40 | /* |
|
40 | /* | |
41 | * A base-16 trie for fast node->rev mapping. |
|
41 | * A base-16 trie for fast node->rev mapping. | |
42 | * |
|
42 | * | |
43 | * Positive value is index of the next node in the trie |
|
43 | * Positive value is index of the next node in the trie | |
44 | * Negative value is a leaf: -(rev + 2) |
|
44 | * Negative value is a leaf: -(rev + 2) | |
45 | * Zero is empty |
|
45 | * Zero is empty | |
46 | */ |
|
46 | */ | |
47 | typedef struct { |
|
47 | typedef struct { | |
48 | indexObject *index; |
|
48 | indexObject *index; | |
49 | nodetreenode *nodes; |
|
49 | nodetreenode *nodes; | |
50 | Py_ssize_t nodelen; |
|
50 | Py_ssize_t nodelen; | |
51 | size_t length; /* # nodes in use */ |
|
51 | size_t length; /* # nodes in use */ | |
52 | size_t capacity; /* # nodes allocated */ |
|
52 | size_t capacity; /* # nodes allocated */ | |
53 | int depth; /* maximum depth of tree */ |
|
53 | int depth; /* maximum depth of tree */ | |
54 | int splits; /* # splits performed */ |
|
54 | int splits; /* # splits performed */ | |
55 | } nodetree; |
|
55 | } nodetree; | |
56 |
|
56 | |||
57 | typedef struct { |
|
57 | typedef struct { | |
58 | PyObject_HEAD /* ; */ |
|
58 | PyObject_HEAD /* ; */ | |
59 | nodetree nt; |
|
59 | nodetree nt; | |
60 | } nodetreeObject; |
|
60 | } nodetreeObject; | |
61 |
|
61 | |||
62 | /* |
|
62 | /* | |
63 | * This class has two behaviors. |
|
63 | * This class has two behaviors. | |
64 | * |
|
64 | * | |
65 | * When used in a list-like way (with integer keys), we decode an |
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65 | * When used in a list-like way (with integer keys), we decode an | |
66 | * entry in a RevlogNG index file on demand. We have limited support for |
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66 | * entry in a RevlogNG index file on demand. We have limited support for | |
67 | * integer-keyed insert and delete, only at elements right before the |
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67 | * integer-keyed insert and delete, only at elements right before the | |
68 | * end. |
|
68 | * end. | |
69 | * |
|
69 | * | |
70 | * With string keys, we lazily perform a reverse mapping from node to |
|
70 | * With string keys, we lazily perform a reverse mapping from node to | |
71 | * rev, using a base-16 trie. |
|
71 | * rev, using a base-16 trie. | |
72 | */ |
|
72 | */ | |
73 | struct indexObjectStruct { |
|
73 | struct indexObjectStruct { | |
74 | PyObject_HEAD |
|
74 | PyObject_HEAD | |
75 | /* Type-specific fields go here. */ |
|
75 | /* Type-specific fields go here. */ | |
76 | PyObject *data; /* raw bytes of index */ |
|
76 | PyObject *data; /* raw bytes of index */ | |
77 | Py_ssize_t nodelen; /* digest size of the hash, 20 for SHA-1 */ |
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77 | Py_ssize_t nodelen; /* digest size of the hash, 20 for SHA-1 */ | |
78 | PyObject *nullentry; /* fast path for references to null */ |
|
78 | PyObject *nullentry; /* fast path for references to null */ | |
79 | Py_buffer buf; /* buffer of data */ |
|
79 | Py_buffer buf; /* buffer of data */ | |
80 | const char **offsets; /* populated on demand */ |
|
80 | const char **offsets; /* populated on demand */ | |
81 | Py_ssize_t length; /* current on-disk number of elements */ |
|
81 | Py_ssize_t length; /* current on-disk number of elements */ | |
82 | unsigned new_length; /* number of added elements */ |
|
82 | unsigned new_length; /* number of added elements */ | |
83 | unsigned added_length; /* space reserved for added elements */ |
|
83 | unsigned added_length; /* space reserved for added elements */ | |
84 | char *added; /* populated on demand */ |
|
84 | char *added; /* populated on demand */ | |
85 | PyObject *headrevs; /* cache, invalidated on changes */ |
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85 | PyObject *headrevs; /* cache, invalidated on changes */ | |
86 | PyObject *filteredrevs; /* filtered revs set */ |
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86 | PyObject *filteredrevs; /* filtered revs set */ | |
87 | nodetree nt; /* base-16 trie */ |
|
87 | nodetree nt; /* base-16 trie */ | |
88 | int ntinitialized; /* 0 or 1 */ |
|
88 | int ntinitialized; /* 0 or 1 */ | |
89 | int ntrev; /* last rev scanned */ |
|
89 | int ntrev; /* last rev scanned */ | |
90 | int ntlookups; /* # lookups */ |
|
90 | int ntlookups; /* # lookups */ | |
91 | int ntmisses; /* # lookups that miss the cache */ |
|
91 | int ntmisses; /* # lookups that miss the cache */ | |
92 | int inlined; |
|
92 | int inlined; | |
93 | long entry_size; /* size of index headers. Differs in v1 v.s. v2 format |
|
93 | long entry_size; /* size of index headers. Differs in v1 v.s. v2 format | |
94 | */ |
|
94 | */ | |
95 | long rust_ext_compat; /* compatibility with being used in rust |
|
95 | long rust_ext_compat; /* compatibility with being used in rust | |
96 | extensions */ |
|
96 | extensions */ | |
97 | long format_version; /* format version selector (format_*) */ |
|
97 | long format_version; /* format version selector (format_*) */ | |
98 | }; |
|
98 | }; | |
99 |
|
99 | |||
100 | static Py_ssize_t index_length(const indexObject *self) |
|
100 | static Py_ssize_t index_length(const indexObject *self) | |
101 | { |
|
101 | { | |
102 | return self->length + self->new_length; |
|
102 | return self->length + self->new_length; | |
103 | } |
|
103 | } | |
104 |
|
104 | |||
105 | static const char nullid[32] = {0}; |
|
105 | static const char nullid[32] = {0}; | |
106 | static const Py_ssize_t nullrev = -1; |
|
106 | static const Py_ssize_t nullrev = -1; | |
107 |
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107 | |||
108 | static Py_ssize_t inline_scan(indexObject *self, const char **offsets); |
|
108 | static Py_ssize_t inline_scan(indexObject *self, const char **offsets); | |
109 |
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109 | |||
110 | static int index_find_node(indexObject *self, const char *node); |
|
110 | static int index_find_node(indexObject *self, const char *node); | |
111 |
|
111 | |||
112 | #if LONG_MAX == 0x7fffffffL |
|
112 | #if LONG_MAX == 0x7fffffffL | |
113 | static const char *const tuple_format = "Kiiiiiiy#KiBBi"; |
|
113 | static const char *const tuple_format = "Kiiiiiiy#KiBBi"; | |
114 | #else |
|
114 | #else | |
115 | static const char *const tuple_format = "kiiiiiiy#kiBBi"; |
|
115 | static const char *const tuple_format = "kiiiiiiy#kiBBi"; | |
116 | #endif |
|
116 | #endif | |
117 |
|
117 | |||
118 | /* A RevlogNG v1 index entry is 64 bytes long. */ |
|
118 | /* A RevlogNG v1 index entry is 64 bytes long. */ | |
119 | static const long v1_entry_size = 64; |
|
119 | static const long v1_entry_size = 64; | |
120 |
|
120 | |||
121 | /* A Revlogv2 index entry is 96 bytes long. */ |
|
121 | /* A Revlogv2 index entry is 96 bytes long. */ | |
122 | static const long v2_entry_size = 96; |
|
122 | static const long v2_entry_size = 96; | |
123 |
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123 | |||
124 | /* A Changelogv2 index entry is 96 bytes long. */ |
|
124 | /* A Changelogv2 index entry is 96 bytes long. */ | |
125 | static const long cl2_entry_size = 96; |
|
125 | static const long cl2_entry_size = 96; | |
126 |
|
126 | |||
127 | /* Internal format version. |
|
127 | /* Internal format version. | |
128 | * Must match their counterparts in revlogutils/constants.py */ |
|
128 | * Must match their counterparts in revlogutils/constants.py */ | |
129 | static const long format_v1 = 1; /* constants.py: REVLOGV1 */ |
|
129 | static const long format_v1 = 1; /* constants.py: REVLOGV1 */ | |
130 | static const long format_v2 = 0xDEAD; /* constants.py: REVLOGV2 */ |
|
130 | static const long format_v2 = 0xDEAD; /* constants.py: REVLOGV2 */ | |
131 | static const long format_cl2 = 0xD34D; /* constants.py: CHANGELOGV2 */ |
|
131 | static const long format_cl2 = 0xD34D; /* constants.py: CHANGELOGV2 */ | |
132 |
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132 | |||
133 | static const long entry_v1_offset_high = 0; |
|
133 | static const long entry_v1_offset_high = 0; | |
134 | static const long entry_v1_offset_offset_flags = 4; |
|
134 | static const long entry_v1_offset_offset_flags = 4; | |
135 | static const long entry_v1_offset_comp_len = 8; |
|
135 | static const long entry_v1_offset_comp_len = 8; | |
136 | static const long entry_v1_offset_uncomp_len = 12; |
|
136 | static const long entry_v1_offset_uncomp_len = 12; | |
137 | static const long entry_v1_offset_base_rev = 16; |
|
137 | static const long entry_v1_offset_base_rev = 16; | |
138 | static const long entry_v1_offset_link_rev = 20; |
|
138 | static const long entry_v1_offset_link_rev = 20; | |
139 | static const long entry_v1_offset_parent_1 = 24; |
|
139 | static const long entry_v1_offset_parent_1 = 24; | |
140 | static const long entry_v1_offset_parent_2 = 28; |
|
140 | static const long entry_v1_offset_parent_2 = 28; | |
141 | static const long entry_v1_offset_node_id = 32; |
|
141 | static const long entry_v1_offset_node_id = 32; | |
142 |
|
142 | |||
143 | static const long entry_v2_offset_high = 0; |
|
143 | static const long entry_v2_offset_high = 0; | |
144 | static const long entry_v2_offset_offset_flags = 4; |
|
144 | static const long entry_v2_offset_offset_flags = 4; | |
145 | static const long entry_v2_offset_comp_len = 8; |
|
145 | static const long entry_v2_offset_comp_len = 8; | |
146 | static const long entry_v2_offset_uncomp_len = 12; |
|
146 | static const long entry_v2_offset_uncomp_len = 12; | |
147 | static const long entry_v2_offset_base_rev = 16; |
|
147 | static const long entry_v2_offset_base_rev = 16; | |
148 | static const long entry_v2_offset_link_rev = 20; |
|
148 | static const long entry_v2_offset_link_rev = 20; | |
149 | static const long entry_v2_offset_parent_1 = 24; |
|
149 | static const long entry_v2_offset_parent_1 = 24; | |
150 | static const long entry_v2_offset_parent_2 = 28; |
|
150 | static const long entry_v2_offset_parent_2 = 28; | |
151 | static const long entry_v2_offset_node_id = 32; |
|
151 | static const long entry_v2_offset_node_id = 32; | |
152 | static const long entry_v2_offset_sidedata_offset = 64; |
|
152 | static const long entry_v2_offset_sidedata_offset = 64; | |
153 | static const long entry_v2_offset_sidedata_comp_len = 72; |
|
153 | static const long entry_v2_offset_sidedata_comp_len = 72; | |
154 | static const long entry_v2_offset_all_comp_mode = 76; |
|
154 | static const long entry_v2_offset_all_comp_mode = 76; | |
155 | /* next free offset: 77 */ |
|
155 | /* next free offset: 77 */ | |
156 |
|
156 | |||
157 | static const long entry_cl2_offset_high = 0; |
|
157 | static const long entry_cl2_offset_high = 0; | |
158 | static const long entry_cl2_offset_offset_flags = 4; |
|
158 | static const long entry_cl2_offset_offset_flags = 4; | |
159 | static const long entry_cl2_offset_comp_len = 8; |
|
159 | static const long entry_cl2_offset_comp_len = 8; | |
160 | static const long entry_cl2_offset_uncomp_len = 12; |
|
160 | static const long entry_cl2_offset_uncomp_len = 12; | |
161 | static const long entry_cl2_offset_parent_1 = 16; |
|
161 | static const long entry_cl2_offset_parent_1 = 16; | |
162 | static const long entry_cl2_offset_parent_2 = 20; |
|
162 | static const long entry_cl2_offset_parent_2 = 20; | |
163 | static const long entry_cl2_offset_node_id = 24; |
|
163 | static const long entry_cl2_offset_node_id = 24; | |
164 | static const long entry_cl2_offset_sidedata_offset = 56; |
|
164 | static const long entry_cl2_offset_sidedata_offset = 56; | |
165 | static const long entry_cl2_offset_sidedata_comp_len = 64; |
|
165 | static const long entry_cl2_offset_sidedata_comp_len = 64; | |
166 | static const long entry_cl2_offset_all_comp_mode = 68; |
|
166 | static const long entry_cl2_offset_all_comp_mode = 68; | |
167 | static const long entry_cl2_offset_rank = 69; |
|
167 | static const long entry_cl2_offset_rank = 69; | |
168 | /* next free offset: 73 */ |
|
168 | /* next free offset: 73 */ | |
169 |
|
169 | |||
170 | static const char comp_mode_inline = 2; |
|
170 | static const char comp_mode_inline = 2; | |
171 | static const int rank_unknown = -1; |
|
171 | static const int rank_unknown = -1; | |
172 |
|
172 | |||
173 | static void raise_revlog_error(void) |
|
173 | static void raise_revlog_error(void) | |
174 | { |
|
174 | { | |
175 | PyObject *mod = NULL, *dict = NULL, *errclass = NULL; |
|
175 | PyObject *mod = NULL, *dict = NULL, *errclass = NULL; | |
176 |
|
176 | |||
177 | mod = PyImport_ImportModule("mercurial.error"); |
|
177 | mod = PyImport_ImportModule("mercurial.error"); | |
178 | if (mod == NULL) { |
|
178 | if (mod == NULL) { | |
179 | goto cleanup; |
|
179 | goto cleanup; | |
180 | } |
|
180 | } | |
181 |
|
181 | |||
182 | dict = PyModule_GetDict(mod); |
|
182 | dict = PyModule_GetDict(mod); | |
183 | if (dict == NULL) { |
|
183 | if (dict == NULL) { | |
184 | goto cleanup; |
|
184 | goto cleanup; | |
185 | } |
|
185 | } | |
186 | Py_INCREF(dict); |
|
186 | Py_INCREF(dict); | |
187 |
|
187 | |||
188 | errclass = PyDict_GetItemString(dict, "RevlogError"); |
|
188 | errclass = PyDict_GetItemString(dict, "RevlogError"); | |
189 | if (errclass == NULL) { |
|
189 | if (errclass == NULL) { | |
190 | PyErr_SetString(PyExc_SystemError, |
|
190 | PyErr_SetString(PyExc_SystemError, | |
191 | "could not find RevlogError"); |
|
191 | "could not find RevlogError"); | |
192 | goto cleanup; |
|
192 | goto cleanup; | |
193 | } |
|
193 | } | |
194 |
|
194 | |||
195 | /* value of exception is ignored by callers */ |
|
195 | /* value of exception is ignored by callers */ | |
196 | PyErr_SetString(errclass, "RevlogError"); |
|
196 | PyErr_SetString(errclass, "RevlogError"); | |
197 |
|
197 | |||
198 | cleanup: |
|
198 | cleanup: | |
199 | Py_XDECREF(dict); |
|
199 | Py_XDECREF(dict); | |
200 | Py_XDECREF(mod); |
|
200 | Py_XDECREF(mod); | |
201 | } |
|
201 | } | |
202 |
|
202 | |||
203 | /* |
|
203 | /* | |
204 | * Return a pointer to the beginning of a RevlogNG record. |
|
204 | * Return a pointer to the beginning of a RevlogNG record. | |
205 | */ |
|
205 | */ | |
206 | static const char *index_deref(indexObject *self, Py_ssize_t pos) |
|
206 | static const char *index_deref(indexObject *self, Py_ssize_t pos) | |
207 | { |
|
207 | { | |
208 | if (pos >= self->length) |
|
208 | if (pos >= self->length) | |
209 | return self->added + (pos - self->length) * self->entry_size; |
|
209 | return self->added + (pos - self->length) * self->entry_size; | |
210 |
|
210 | |||
211 | if (self->inlined && pos > 0) { |
|
211 | if (self->inlined && pos > 0) { | |
212 | if (self->offsets == NULL) { |
|
212 | if (self->offsets == NULL) { | |
213 | Py_ssize_t ret; |
|
213 | Py_ssize_t ret; | |
214 | self->offsets = |
|
214 | self->offsets = | |
215 | PyMem_Malloc(self->length * sizeof(*self->offsets)); |
|
215 | PyMem_Malloc(self->length * sizeof(*self->offsets)); | |
216 | if (self->offsets == NULL) |
|
216 | if (self->offsets == NULL) | |
217 | return (const char *)PyErr_NoMemory(); |
|
217 | return (const char *)PyErr_NoMemory(); | |
218 | ret = inline_scan(self, self->offsets); |
|
218 | ret = inline_scan(self, self->offsets); | |
219 | if (ret == -1) { |
|
219 | if (ret == -1) { | |
220 | return NULL; |
|
220 | return NULL; | |
221 | }; |
|
221 | }; | |
222 | } |
|
222 | } | |
223 | return self->offsets[pos]; |
|
223 | return self->offsets[pos]; | |
224 | } |
|
224 | } | |
225 |
|
225 | |||
226 | return (const char *)(self->buf.buf) + pos * self->entry_size; |
|
226 | return (const char *)(self->buf.buf) + pos * self->entry_size; | |
227 | } |
|
227 | } | |
228 |
|
228 | |||
229 | /* |
|
229 | /* | |
230 | * Get parents of the given rev. |
|
230 | * Get parents of the given rev. | |
231 | * |
|
231 | * | |
232 | * The specified rev must be valid and must not be nullrev. A returned |
|
232 | * The specified rev must be valid and must not be nullrev. A returned | |
233 | * parent revision may be nullrev, but is guaranteed to be in valid range. |
|
233 | * parent revision may be nullrev, but is guaranteed to be in valid range. | |
234 | */ |
|
234 | */ | |
235 | static inline int index_get_parents(indexObject *self, Py_ssize_t rev, int *ps, |
|
235 | static inline int index_get_parents(indexObject *self, Py_ssize_t rev, int *ps, | |
236 | int maxrev) |
|
236 | int maxrev) | |
237 | { |
|
237 | { | |
238 | const char *data = index_deref(self, rev); |
|
238 | const char *data = index_deref(self, rev); | |
239 |
|
239 | |||
240 | if (self->format_version == format_v1) { |
|
240 | if (self->format_version == format_v1) { | |
241 | ps[0] = getbe32(data + entry_v1_offset_parent_1); |
|
241 | ps[0] = getbe32(data + entry_v1_offset_parent_1); | |
242 | ps[1] = getbe32(data + entry_v1_offset_parent_2); |
|
242 | ps[1] = getbe32(data + entry_v1_offset_parent_2); | |
243 | } else if (self->format_version == format_v2) { |
|
243 | } else if (self->format_version == format_v2) { | |
244 | ps[0] = getbe32(data + entry_v2_offset_parent_1); |
|
244 | ps[0] = getbe32(data + entry_v2_offset_parent_1); | |
245 | ps[1] = getbe32(data + entry_v2_offset_parent_2); |
|
245 | ps[1] = getbe32(data + entry_v2_offset_parent_2); | |
246 | } else if (self->format_version == format_cl2) { |
|
246 | } else if (self->format_version == format_cl2) { | |
247 | ps[0] = getbe32(data + entry_cl2_offset_parent_1); |
|
247 | ps[0] = getbe32(data + entry_cl2_offset_parent_1); | |
248 | ps[1] = getbe32(data + entry_cl2_offset_parent_2); |
|
248 | ps[1] = getbe32(data + entry_cl2_offset_parent_2); | |
249 | } else { |
|
249 | } else { | |
250 | raise_revlog_error(); |
|
250 | raise_revlog_error(); | |
251 | return -1; |
|
251 | return -1; | |
252 | } |
|
252 | } | |
253 |
|
253 | |||
254 | /* If index file is corrupted, ps[] may point to invalid revisions. So |
|
254 | /* If index file is corrupted, ps[] may point to invalid revisions. So | |
255 | * there is a risk of buffer overflow to trust them unconditionally. */ |
|
255 | * there is a risk of buffer overflow to trust them unconditionally. */ | |
256 | if (ps[0] < -1 || ps[0] > maxrev || ps[1] < -1 || ps[1] > maxrev) { |
|
256 | if (ps[0] < -1 || ps[0] > maxrev || ps[1] < -1 || ps[1] > maxrev) { | |
257 | PyErr_SetString(PyExc_ValueError, "parent out of range"); |
|
257 | PyErr_SetString(PyExc_ValueError, "parent out of range"); | |
258 | return -1; |
|
258 | return -1; | |
259 | } |
|
259 | } | |
260 | return 0; |
|
260 | return 0; | |
261 | } |
|
261 | } | |
262 |
|
262 | |||
263 | /* |
|
263 | /* | |
264 | * Get parents of the given rev. |
|
264 | * Get parents of the given rev. | |
265 | * |
|
265 | * | |
266 | * If the specified rev is out of range, IndexError will be raised. If the |
|
266 | * If the specified rev is out of range, IndexError will be raised. If the | |
267 | * revlog entry is corrupted, ValueError may be raised. |
|
267 | * revlog entry is corrupted, ValueError may be raised. | |
268 | * |
|
268 | * | |
269 | * Returns 0 on success or -1 on failure. |
|
269 | * Returns 0 on success or -1 on failure. | |
270 | */ |
|
270 | */ | |
271 | static int HgRevlogIndex_GetParents(PyObject *op, int rev, int *ps) |
|
271 | static int HgRevlogIndex_GetParents(PyObject *op, int rev, int *ps) | |
272 | { |
|
272 | { | |
273 | int tiprev; |
|
273 | int tiprev; | |
274 | if (!op || !HgRevlogIndex_Check(op) || !ps) { |
|
274 | if (!op || !HgRevlogIndex_Check(op) || !ps) { | |
275 | PyErr_BadInternalCall(); |
|
275 | PyErr_BadInternalCall(); | |
276 | return -1; |
|
276 | return -1; | |
277 | } |
|
277 | } | |
278 | tiprev = (int)index_length((indexObject *)op) - 1; |
|
278 | tiprev = (int)index_length((indexObject *)op) - 1; | |
279 | if (rev < -1 || rev > tiprev) { |
|
279 | if (rev < -1 || rev > tiprev) { | |
280 | PyErr_Format(PyExc_IndexError, "rev out of range: %d", rev); |
|
280 | PyErr_Format(PyExc_IndexError, "rev out of range: %d", rev); | |
281 | return -1; |
|
281 | return -1; | |
282 | } else if (rev == -1) { |
|
282 | } else if (rev == -1) { | |
283 | ps[0] = ps[1] = -1; |
|
283 | ps[0] = ps[1] = -1; | |
284 | return 0; |
|
284 | return 0; | |
285 | } else { |
|
285 | } else { | |
286 | return index_get_parents((indexObject *)op, rev, ps, tiprev); |
|
286 | return index_get_parents((indexObject *)op, rev, ps, tiprev); | |
287 | } |
|
287 | } | |
288 | } |
|
288 | } | |
289 |
|
289 | |||
290 | static inline int64_t index_get_start(indexObject *self, Py_ssize_t rev) |
|
290 | static inline int64_t index_get_start(indexObject *self, Py_ssize_t rev) | |
291 | { |
|
291 | { | |
292 | const char *data; |
|
292 | const char *data; | |
293 | uint64_t offset; |
|
293 | uint64_t offset; | |
294 |
|
294 | |||
295 | if (rev == nullrev) |
|
295 | if (rev == nullrev) | |
296 | return 0; |
|
296 | return 0; | |
297 |
|
297 | |||
298 | data = index_deref(self, rev); |
|
298 | data = index_deref(self, rev); | |
299 |
|
299 | |||
300 | if (self->format_version == format_v1) { |
|
300 | if (self->format_version == format_v1) { | |
301 | offset = getbe32(data + entry_v1_offset_offset_flags); |
|
301 | offset = getbe32(data + entry_v1_offset_offset_flags); | |
302 | if (rev == 0) { |
|
302 | if (rev == 0) { | |
303 | /* mask out version number for the first entry */ |
|
303 | /* mask out version number for the first entry */ | |
304 | offset &= 0xFFFF; |
|
304 | offset &= 0xFFFF; | |
305 | } else { |
|
305 | } else { | |
306 | uint32_t offset_high = |
|
306 | uint32_t offset_high = | |
307 | getbe32(data + entry_v1_offset_high); |
|
307 | getbe32(data + entry_v1_offset_high); | |
308 | offset |= ((uint64_t)offset_high) << 32; |
|
308 | offset |= ((uint64_t)offset_high) << 32; | |
309 | } |
|
309 | } | |
310 | } else if (self->format_version == format_v2) { |
|
310 | } else if (self->format_version == format_v2) { | |
311 | offset = getbe32(data + entry_v2_offset_offset_flags); |
|
311 | offset = getbe32(data + entry_v2_offset_offset_flags); | |
312 | if (rev == 0) { |
|
312 | if (rev == 0) { | |
313 | /* mask out version number for the first entry */ |
|
313 | /* mask out version number for the first entry */ | |
314 | offset &= 0xFFFF; |
|
314 | offset &= 0xFFFF; | |
315 | } else { |
|
315 | } else { | |
316 | uint32_t offset_high = |
|
316 | uint32_t offset_high = | |
317 | getbe32(data + entry_v2_offset_high); |
|
317 | getbe32(data + entry_v2_offset_high); | |
318 | offset |= ((uint64_t)offset_high) << 32; |
|
318 | offset |= ((uint64_t)offset_high) << 32; | |
319 | } |
|
319 | } | |
320 | } else if (self->format_version == format_cl2) { |
|
320 | } else if (self->format_version == format_cl2) { | |
321 | uint32_t offset_high = getbe32(data + entry_cl2_offset_high); |
|
321 | uint32_t offset_high = getbe32(data + entry_cl2_offset_high); | |
322 | offset = getbe32(data + entry_cl2_offset_offset_flags); |
|
322 | offset = getbe32(data + entry_cl2_offset_offset_flags); | |
323 | offset |= ((uint64_t)offset_high) << 32; |
|
323 | offset |= ((uint64_t)offset_high) << 32; | |
324 | } else { |
|
324 | } else { | |
325 | raise_revlog_error(); |
|
325 | raise_revlog_error(); | |
326 | return -1; |
|
326 | return -1; | |
327 | } |
|
327 | } | |
328 |
|
328 | |||
329 | return (int64_t)(offset >> 16); |
|
329 | return (int64_t)(offset >> 16); | |
330 | } |
|
330 | } | |
331 |
|
331 | |||
332 | static inline int index_get_length(indexObject *self, Py_ssize_t rev) |
|
332 | static inline int index_get_length(indexObject *self, Py_ssize_t rev) | |
333 | { |
|
333 | { | |
334 | const char *data; |
|
334 | const char *data; | |
335 | int tmp; |
|
335 | int tmp; | |
336 |
|
336 | |||
337 | if (rev == nullrev) |
|
337 | if (rev == nullrev) | |
338 | return 0; |
|
338 | return 0; | |
339 |
|
339 | |||
340 | data = index_deref(self, rev); |
|
340 | data = index_deref(self, rev); | |
341 |
|
341 | |||
342 | if (self->format_version == format_v1) { |
|
342 | if (self->format_version == format_v1) { | |
343 | tmp = (int)getbe32(data + entry_v1_offset_comp_len); |
|
343 | tmp = (int)getbe32(data + entry_v1_offset_comp_len); | |
344 | } else if (self->format_version == format_v2) { |
|
344 | } else if (self->format_version == format_v2) { | |
345 | tmp = (int)getbe32(data + entry_v2_offset_comp_len); |
|
345 | tmp = (int)getbe32(data + entry_v2_offset_comp_len); | |
346 | } else if (self->format_version == format_cl2) { |
|
346 | } else if (self->format_version == format_cl2) { | |
347 | tmp = (int)getbe32(data + entry_cl2_offset_comp_len); |
|
347 | tmp = (int)getbe32(data + entry_cl2_offset_comp_len); | |
348 | } else { |
|
348 | } else { | |
349 | raise_revlog_error(); |
|
349 | raise_revlog_error(); | |
350 | return -1; |
|
350 | return -1; | |
351 | } |
|
351 | } | |
352 | if (tmp < 0) { |
|
352 | if (tmp < 0) { | |
353 | PyErr_Format(PyExc_OverflowError, |
|
353 | PyErr_Format(PyExc_OverflowError, | |
354 | "revlog entry size out of bound (%d)", tmp); |
|
354 | "revlog entry size out of bound (%d)", tmp); | |
355 | return -1; |
|
355 | return -1; | |
356 | } |
|
356 | } | |
357 | return tmp; |
|
357 | return tmp; | |
358 | } |
|
358 | } | |
359 |
|
359 | |||
360 | /* |
|
360 | /* | |
361 | * RevlogNG format (all in big endian, data may be inlined): |
|
361 | * RevlogNG format (all in big endian, data may be inlined): | |
362 | * 6 bytes: offset |
|
362 | * 6 bytes: offset | |
363 | * 2 bytes: flags |
|
363 | * 2 bytes: flags | |
364 | * 4 bytes: compressed length |
|
364 | * 4 bytes: compressed length | |
365 | * 4 bytes: uncompressed length |
|
365 | * 4 bytes: uncompressed length | |
366 | * 4 bytes: base revision |
|
366 | * 4 bytes: base revision | |
367 | * 4 bytes: link revision |
|
367 | * 4 bytes: link revision | |
368 | * 4 bytes: parent 1 revision |
|
368 | * 4 bytes: parent 1 revision | |
369 | * 4 bytes: parent 2 revision |
|
369 | * 4 bytes: parent 2 revision | |
370 | * 32 bytes: nodeid (only 20 bytes used with SHA-1) |
|
370 | * 32 bytes: nodeid (only 20 bytes used with SHA-1) | |
371 | */ |
|
371 | */ | |
372 | static PyObject *index_get(indexObject *self, Py_ssize_t pos) |
|
372 | static PyObject *index_get(indexObject *self, Py_ssize_t pos) | |
373 | { |
|
373 | { | |
374 | uint64_t offset_flags, sidedata_offset; |
|
374 | uint64_t offset_flags, sidedata_offset; | |
375 | int comp_len, uncomp_len, base_rev, link_rev, parent_1, parent_2, |
|
375 | int comp_len, uncomp_len, base_rev, link_rev, parent_1, parent_2, | |
376 | sidedata_comp_len, rank = rank_unknown; |
|
376 | sidedata_comp_len, rank = rank_unknown; | |
377 | char data_comp_mode, sidedata_comp_mode; |
|
377 | char data_comp_mode, sidedata_comp_mode; | |
378 | const char *c_node_id; |
|
378 | const char *c_node_id; | |
379 | const char *data; |
|
379 | const char *data; | |
380 | Py_ssize_t length = index_length(self); |
|
380 | Py_ssize_t length = index_length(self); | |
381 |
|
381 | |||
382 | if (pos == nullrev) { |
|
382 | if (pos == nullrev) { | |
383 | Py_INCREF(self->nullentry); |
|
383 | Py_INCREF(self->nullentry); | |
384 | return self->nullentry; |
|
384 | return self->nullentry; | |
385 | } |
|
385 | } | |
386 |
|
386 | |||
387 | if (pos < 0 || pos >= length) { |
|
387 | if (pos < 0 || pos >= length) { | |
388 | PyErr_SetString(PyExc_IndexError, "revlog index out of range"); |
|
388 | PyErr_SetString(PyExc_IndexError, "revlog index out of range"); | |
389 | return NULL; |
|
389 | return NULL; | |
390 | } |
|
390 | } | |
391 |
|
391 | |||
392 | data = index_deref(self, pos); |
|
392 | data = index_deref(self, pos); | |
393 | if (data == NULL) |
|
393 | if (data == NULL) | |
394 | return NULL; |
|
394 | return NULL; | |
395 |
|
395 | |||
396 | if (self->format_version == format_v1) { |
|
396 | if (self->format_version == format_v1) { | |
397 | offset_flags = getbe32(data + entry_v1_offset_offset_flags); |
|
397 | offset_flags = getbe32(data + entry_v1_offset_offset_flags); | |
398 | /* |
|
398 | /* | |
399 | * The first entry on-disk needs the version number masked out, |
|
399 | * The first entry on-disk needs the version number masked out, | |
400 | * but this doesn't apply if entries are added to an empty |
|
400 | * but this doesn't apply if entries are added to an empty | |
401 | * index. |
|
401 | * index. | |
402 | */ |
|
402 | */ | |
403 | if (self->length && pos == 0) |
|
403 | if (self->length && pos == 0) | |
404 | offset_flags &= 0xFFFF; |
|
404 | offset_flags &= 0xFFFF; | |
405 | else { |
|
405 | else { | |
406 | uint32_t offset_high = |
|
406 | uint32_t offset_high = | |
407 | getbe32(data + entry_v1_offset_high); |
|
407 | getbe32(data + entry_v1_offset_high); | |
408 | offset_flags |= ((uint64_t)offset_high) << 32; |
|
408 | offset_flags |= ((uint64_t)offset_high) << 32; | |
409 | } |
|
409 | } | |
410 |
|
410 | |||
411 | comp_len = getbe32(data + entry_v1_offset_comp_len); |
|
411 | comp_len = getbe32(data + entry_v1_offset_comp_len); | |
412 | uncomp_len = getbe32(data + entry_v1_offset_uncomp_len); |
|
412 | uncomp_len = getbe32(data + entry_v1_offset_uncomp_len); | |
413 | base_rev = getbe32(data + entry_v1_offset_base_rev); |
|
413 | base_rev = getbe32(data + entry_v1_offset_base_rev); | |
414 | link_rev = getbe32(data + entry_v1_offset_link_rev); |
|
414 | link_rev = getbe32(data + entry_v1_offset_link_rev); | |
415 | parent_1 = getbe32(data + entry_v1_offset_parent_1); |
|
415 | parent_1 = getbe32(data + entry_v1_offset_parent_1); | |
416 | parent_2 = getbe32(data + entry_v1_offset_parent_2); |
|
416 | parent_2 = getbe32(data + entry_v1_offset_parent_2); | |
417 | c_node_id = data + entry_v1_offset_node_id; |
|
417 | c_node_id = data + entry_v1_offset_node_id; | |
418 |
|
418 | |||
419 | sidedata_offset = 0; |
|
419 | sidedata_offset = 0; | |
420 | sidedata_comp_len = 0; |
|
420 | sidedata_comp_len = 0; | |
421 | data_comp_mode = comp_mode_inline; |
|
421 | data_comp_mode = comp_mode_inline; | |
422 | sidedata_comp_mode = comp_mode_inline; |
|
422 | sidedata_comp_mode = comp_mode_inline; | |
423 | } else if (self->format_version == format_v2) { |
|
423 | } else if (self->format_version == format_v2) { | |
424 | offset_flags = getbe32(data + entry_v2_offset_offset_flags); |
|
424 | offset_flags = getbe32(data + entry_v2_offset_offset_flags); | |
425 | /* |
|
425 | /* | |
426 | * The first entry on-disk needs the version number masked out, |
|
426 | * The first entry on-disk needs the version number masked out, | |
427 | * but this doesn't apply if entries are added to an empty |
|
427 | * but this doesn't apply if entries are added to an empty | |
428 | * index. |
|
428 | * index. | |
429 | */ |
|
429 | */ | |
430 | if (self->length && pos == 0) |
|
430 | if (self->length && pos == 0) | |
431 | offset_flags &= 0xFFFF; |
|
431 | offset_flags &= 0xFFFF; | |
432 | else { |
|
432 | else { | |
433 | uint32_t offset_high = |
|
433 | uint32_t offset_high = | |
434 | getbe32(data + entry_v2_offset_high); |
|
434 | getbe32(data + entry_v2_offset_high); | |
435 | offset_flags |= ((uint64_t)offset_high) << 32; |
|
435 | offset_flags |= ((uint64_t)offset_high) << 32; | |
436 | } |
|
436 | } | |
437 |
|
437 | |||
438 | comp_len = getbe32(data + entry_v2_offset_comp_len); |
|
438 | comp_len = getbe32(data + entry_v2_offset_comp_len); | |
439 | uncomp_len = getbe32(data + entry_v2_offset_uncomp_len); |
|
439 | uncomp_len = getbe32(data + entry_v2_offset_uncomp_len); | |
440 | base_rev = getbe32(data + entry_v2_offset_base_rev); |
|
440 | base_rev = getbe32(data + entry_v2_offset_base_rev); | |
441 | link_rev = getbe32(data + entry_v2_offset_link_rev); |
|
441 | link_rev = getbe32(data + entry_v2_offset_link_rev); | |
442 | parent_1 = getbe32(data + entry_v2_offset_parent_1); |
|
442 | parent_1 = getbe32(data + entry_v2_offset_parent_1); | |
443 | parent_2 = getbe32(data + entry_v2_offset_parent_2); |
|
443 | parent_2 = getbe32(data + entry_v2_offset_parent_2); | |
444 | c_node_id = data + entry_v2_offset_node_id; |
|
444 | c_node_id = data + entry_v2_offset_node_id; | |
445 |
|
445 | |||
446 | sidedata_offset = |
|
446 | sidedata_offset = | |
447 | getbe64(data + entry_v2_offset_sidedata_offset); |
|
447 | getbe64(data + entry_v2_offset_sidedata_offset); | |
448 | sidedata_comp_len = |
|
448 | sidedata_comp_len = | |
449 | getbe32(data + entry_v2_offset_sidedata_comp_len); |
|
449 | getbe32(data + entry_v2_offset_sidedata_comp_len); | |
450 | data_comp_mode = data[entry_v2_offset_all_comp_mode] & 3; |
|
450 | data_comp_mode = data[entry_v2_offset_all_comp_mode] & 3; | |
451 | sidedata_comp_mode = |
|
451 | sidedata_comp_mode = | |
452 | ((data[entry_v2_offset_all_comp_mode] >> 2) & 3); |
|
452 | ((data[entry_v2_offset_all_comp_mode] >> 2) & 3); | |
453 | } else if (self->format_version == format_cl2) { |
|
453 | } else if (self->format_version == format_cl2) { | |
454 | uint32_t offset_high = getbe32(data + entry_cl2_offset_high); |
|
454 | uint32_t offset_high = getbe32(data + entry_cl2_offset_high); | |
455 | offset_flags = getbe32(data + entry_cl2_offset_offset_flags); |
|
455 | offset_flags = getbe32(data + entry_cl2_offset_offset_flags); | |
456 | offset_flags |= ((uint64_t)offset_high) << 32; |
|
456 | offset_flags |= ((uint64_t)offset_high) << 32; | |
457 | comp_len = getbe32(data + entry_cl2_offset_comp_len); |
|
457 | comp_len = getbe32(data + entry_cl2_offset_comp_len); | |
458 | uncomp_len = getbe32(data + entry_cl2_offset_uncomp_len); |
|
458 | uncomp_len = getbe32(data + entry_cl2_offset_uncomp_len); | |
459 | /* base_rev and link_rev are not stored in changelogv2, but are |
|
459 | /* base_rev and link_rev are not stored in changelogv2, but are | |
460 | still used by some functions shared with the other revlogs. |
|
460 | still used by some functions shared with the other revlogs. | |
461 | They are supposed to contain links to other revisions, |
|
461 | They are supposed to contain links to other revisions, | |
462 | but they always point to themselves in the case of a changelog. |
|
462 | but they always point to themselves in the case of a changelog. | |
463 | */ |
|
463 | */ | |
464 | base_rev = pos; |
|
464 | base_rev = pos; | |
465 | link_rev = pos; |
|
465 | link_rev = pos; | |
466 | parent_1 = getbe32(data + entry_cl2_offset_parent_1); |
|
466 | parent_1 = getbe32(data + entry_cl2_offset_parent_1); | |
467 | parent_2 = getbe32(data + entry_cl2_offset_parent_2); |
|
467 | parent_2 = getbe32(data + entry_cl2_offset_parent_2); | |
468 | c_node_id = data + entry_cl2_offset_node_id; |
|
468 | c_node_id = data + entry_cl2_offset_node_id; | |
469 | sidedata_offset = |
|
469 | sidedata_offset = | |
470 | getbe64(data + entry_cl2_offset_sidedata_offset); |
|
470 | getbe64(data + entry_cl2_offset_sidedata_offset); | |
471 | sidedata_comp_len = |
|
471 | sidedata_comp_len = | |
472 | getbe32(data + entry_cl2_offset_sidedata_comp_len); |
|
472 | getbe32(data + entry_cl2_offset_sidedata_comp_len); | |
473 | data_comp_mode = data[entry_cl2_offset_all_comp_mode] & 3; |
|
473 | data_comp_mode = data[entry_cl2_offset_all_comp_mode] & 3; | |
474 | sidedata_comp_mode = |
|
474 | sidedata_comp_mode = | |
475 | ((data[entry_cl2_offset_all_comp_mode] >> 2) & 3); |
|
475 | ((data[entry_cl2_offset_all_comp_mode] >> 2) & 3); | |
476 | rank = getbe32(data + entry_cl2_offset_rank); |
|
476 | rank = getbe32(data + entry_cl2_offset_rank); | |
477 | } else { |
|
477 | } else { | |
478 | raise_revlog_error(); |
|
478 | raise_revlog_error(); | |
479 | return NULL; |
|
479 | return NULL; | |
480 | } |
|
480 | } | |
481 |
|
481 | |||
482 | return Py_BuildValue(tuple_format, offset_flags, comp_len, uncomp_len, |
|
482 | return Py_BuildValue(tuple_format, offset_flags, comp_len, uncomp_len, | |
483 | base_rev, link_rev, parent_1, parent_2, c_node_id, |
|
483 | base_rev, link_rev, parent_1, parent_2, c_node_id, | |
484 | self->nodelen, sidedata_offset, sidedata_comp_len, |
|
484 | self->nodelen, sidedata_offset, sidedata_comp_len, | |
485 | data_comp_mode, sidedata_comp_mode, rank); |
|
485 | data_comp_mode, sidedata_comp_mode, rank); | |
486 | } |
|
486 | } | |
487 | /* |
|
487 | /* | |
488 | * Pack header information in binary |
|
488 | * Pack header information in binary | |
489 | */ |
|
489 | */ | |
490 | static PyObject *index_pack_header(indexObject *self, PyObject *args) |
|
490 | static PyObject *index_pack_header(indexObject *self, PyObject *args) | |
491 | { |
|
491 | { | |
492 | int header; |
|
492 | int header; | |
493 | char out[4]; |
|
493 | char out[4]; | |
494 | if (!PyArg_ParseTuple(args, "I", &header)) { |
|
494 | if (!PyArg_ParseTuple(args, "I", &header)) { | |
495 | return NULL; |
|
495 | return NULL; | |
496 | } |
|
496 | } | |
497 | if (self->format_version != format_v1) { |
|
497 | if (self->format_version != format_v1) { | |
498 | PyErr_Format(PyExc_RuntimeError, |
|
498 | PyErr_Format(PyExc_RuntimeError, | |
499 | "version header should go in the docket, not the " |
|
499 | "version header should go in the docket, not the " | |
500 |
"index: % |
|
500 | "index: %d", | |
501 | header); |
|
501 | header); | |
502 | return NULL; |
|
502 | return NULL; | |
503 | } |
|
503 | } | |
504 | putbe32(header, out); |
|
504 | putbe32(header, out); | |
505 | return PyBytes_FromStringAndSize(out, 4); |
|
505 | return PyBytes_FromStringAndSize(out, 4); | |
506 | } |
|
506 | } | |
507 | /* |
|
507 | /* | |
508 | * Return the raw binary string representing a revision |
|
508 | * Return the raw binary string representing a revision | |
509 | */ |
|
509 | */ | |
510 | static PyObject *index_entry_binary(indexObject *self, PyObject *value) |
|
510 | static PyObject *index_entry_binary(indexObject *self, PyObject *value) | |
511 | { |
|
511 | { | |
512 | long rev; |
|
512 | long rev; | |
513 | const char *data; |
|
513 | const char *data; | |
514 | Py_ssize_t length = index_length(self); |
|
514 | Py_ssize_t length = index_length(self); | |
515 |
|
515 | |||
516 | if (!pylong_to_long(value, &rev)) { |
|
516 | if (!pylong_to_long(value, &rev)) { | |
517 | return NULL; |
|
517 | return NULL; | |
518 | } |
|
518 | } | |
519 | if (rev < 0 || rev >= length) { |
|
519 | if (rev < 0 || rev >= length) { | |
520 | PyErr_Format(PyExc_ValueError, "revlog index out of range: %ld", |
|
520 | PyErr_Format(PyExc_ValueError, "revlog index out of range: %ld", | |
521 | rev); |
|
521 | rev); | |
522 | return NULL; |
|
522 | return NULL; | |
523 | }; |
|
523 | }; | |
524 |
|
524 | |||
525 | data = index_deref(self, rev); |
|
525 | data = index_deref(self, rev); | |
526 | if (data == NULL) |
|
526 | if (data == NULL) | |
527 | return NULL; |
|
527 | return NULL; | |
528 | if (rev == 0 && self->format_version == format_v1) { |
|
528 | if (rev == 0 && self->format_version == format_v1) { | |
529 | /* the header is eating the start of the first entry */ |
|
529 | /* the header is eating the start of the first entry */ | |
530 | return PyBytes_FromStringAndSize(data + 4, |
|
530 | return PyBytes_FromStringAndSize(data + 4, | |
531 | self->entry_size - 4); |
|
531 | self->entry_size - 4); | |
532 | } |
|
532 | } | |
533 | return PyBytes_FromStringAndSize(data, self->entry_size); |
|
533 | return PyBytes_FromStringAndSize(data, self->entry_size); | |
534 | } |
|
534 | } | |
535 |
|
535 | |||
536 | /* |
|
536 | /* | |
537 | * Return the hash of node corresponding to the given rev. |
|
537 | * Return the hash of node corresponding to the given rev. | |
538 | */ |
|
538 | */ | |
539 | static const char *index_node(indexObject *self, Py_ssize_t pos) |
|
539 | static const char *index_node(indexObject *self, Py_ssize_t pos) | |
540 | { |
|
540 | { | |
541 | Py_ssize_t length = index_length(self); |
|
541 | Py_ssize_t length = index_length(self); | |
542 | const char *data; |
|
542 | const char *data; | |
543 | const char *node_id; |
|
543 | const char *node_id; | |
544 |
|
544 | |||
545 | if (pos == nullrev) |
|
545 | if (pos == nullrev) | |
546 | return nullid; |
|
546 | return nullid; | |
547 |
|
547 | |||
548 | if (pos >= length) |
|
548 | if (pos >= length) | |
549 | return NULL; |
|
549 | return NULL; | |
550 |
|
550 | |||
551 | data = index_deref(self, pos); |
|
551 | data = index_deref(self, pos); | |
552 |
|
552 | |||
553 | if (self->format_version == format_v1) { |
|
553 | if (self->format_version == format_v1) { | |
554 | node_id = data + entry_v1_offset_node_id; |
|
554 | node_id = data + entry_v1_offset_node_id; | |
555 | } else if (self->format_version == format_v2) { |
|
555 | } else if (self->format_version == format_v2) { | |
556 | node_id = data + entry_v2_offset_node_id; |
|
556 | node_id = data + entry_v2_offset_node_id; | |
557 | } else if (self->format_version == format_cl2) { |
|
557 | } else if (self->format_version == format_cl2) { | |
558 | node_id = data + entry_cl2_offset_node_id; |
|
558 | node_id = data + entry_cl2_offset_node_id; | |
559 | } else { |
|
559 | } else { | |
560 | raise_revlog_error(); |
|
560 | raise_revlog_error(); | |
561 | return NULL; |
|
561 | return NULL; | |
562 | } |
|
562 | } | |
563 |
|
563 | |||
564 | return data ? node_id : NULL; |
|
564 | return data ? node_id : NULL; | |
565 | } |
|
565 | } | |
566 |
|
566 | |||
567 | /* |
|
567 | /* | |
568 | * Return the stored rank of a given revision if known, or rank_unknown |
|
568 | * Return the stored rank of a given revision if known, or rank_unknown | |
569 | * otherwise. |
|
569 | * otherwise. | |
570 | * |
|
570 | * | |
571 | * The rank of a revision is the size of the sub-graph it defines as a head. |
|
571 | * The rank of a revision is the size of the sub-graph it defines as a head. | |
572 | * Equivalently, the rank of a revision `r` is the size of the set |
|
572 | * Equivalently, the rank of a revision `r` is the size of the set | |
573 | * `ancestors(r)`, `r` included. |
|
573 | * `ancestors(r)`, `r` included. | |
574 | * |
|
574 | * | |
575 | * This method returns the rank retrieved from the revlog in constant time. It |
|
575 | * This method returns the rank retrieved from the revlog in constant time. It | |
576 | * makes no attempt at computing unknown values for versions of the revlog |
|
576 | * makes no attempt at computing unknown values for versions of the revlog | |
577 | * which do not persist the rank. |
|
577 | * which do not persist the rank. | |
578 | */ |
|
578 | */ | |
579 | static int index_fast_rank(indexObject *self, Py_ssize_t pos) |
|
579 | static int index_fast_rank(indexObject *self, Py_ssize_t pos) | |
580 | { |
|
580 | { | |
581 | Py_ssize_t length = index_length(self); |
|
581 | Py_ssize_t length = index_length(self); | |
582 |
|
582 | |||
583 | if (self->format_version != format_cl2 || pos >= length) { |
|
583 | if (self->format_version != format_cl2 || pos >= length) { | |
584 | return rank_unknown; |
|
584 | return rank_unknown; | |
585 | } |
|
585 | } | |
586 |
|
586 | |||
587 | if (pos == nullrev) { |
|
587 | if (pos == nullrev) { | |
588 | return 0; /* convention */ |
|
588 | return 0; /* convention */ | |
589 | } |
|
589 | } | |
590 |
|
590 | |||
591 | return getbe32(index_deref(self, pos) + entry_cl2_offset_rank); |
|
591 | return getbe32(index_deref(self, pos) + entry_cl2_offset_rank); | |
592 | } |
|
592 | } | |
593 |
|
593 | |||
594 | /* |
|
594 | /* | |
595 | * Return the hash of the node corresponding to the given rev. The |
|
595 | * Return the hash of the node corresponding to the given rev. The | |
596 | * rev is assumed to be existing. If not, an exception is set. |
|
596 | * rev is assumed to be existing. If not, an exception is set. | |
597 | */ |
|
597 | */ | |
598 | static const char *index_node_existing(indexObject *self, Py_ssize_t pos) |
|
598 | static const char *index_node_existing(indexObject *self, Py_ssize_t pos) | |
599 | { |
|
599 | { | |
600 | const char *node = index_node(self, pos); |
|
600 | const char *node = index_node(self, pos); | |
601 | if (node == NULL) { |
|
601 | if (node == NULL) { | |
602 | PyErr_Format(PyExc_IndexError, "could not access rev %d", |
|
602 | PyErr_Format(PyExc_IndexError, "could not access rev %d", | |
603 | (int)pos); |
|
603 | (int)pos); | |
604 | } |
|
604 | } | |
605 | return node; |
|
605 | return node; | |
606 | } |
|
606 | } | |
607 |
|
607 | |||
608 | static int nt_insert(nodetree *self, const char *node, int rev); |
|
608 | static int nt_insert(nodetree *self, const char *node, int rev); | |
609 |
|
609 | |||
610 | static int node_check(Py_ssize_t nodelen, PyObject *obj, char **node) |
|
610 | static int node_check(Py_ssize_t nodelen, PyObject *obj, char **node) | |
611 | { |
|
611 | { | |
612 | Py_ssize_t thisnodelen; |
|
612 | Py_ssize_t thisnodelen; | |
613 | if (PyBytes_AsStringAndSize(obj, node, &thisnodelen) == -1) |
|
613 | if (PyBytes_AsStringAndSize(obj, node, &thisnodelen) == -1) | |
614 | return -1; |
|
614 | return -1; | |
615 | if (nodelen == thisnodelen) |
|
615 | if (nodelen == thisnodelen) | |
616 | return 0; |
|
616 | return 0; | |
617 | PyErr_Format(PyExc_ValueError, "node len %zd != expected node len %zd", |
|
617 | PyErr_Format(PyExc_ValueError, "node len %zd != expected node len %zd", | |
618 | thisnodelen, nodelen); |
|
618 | thisnodelen, nodelen); | |
619 | return -1; |
|
619 | return -1; | |
620 | } |
|
620 | } | |
621 |
|
621 | |||
622 | static PyObject *index_append(indexObject *self, PyObject *obj) |
|
622 | static PyObject *index_append(indexObject *self, PyObject *obj) | |
623 | { |
|
623 | { | |
624 | uint64_t offset_flags, sidedata_offset; |
|
624 | uint64_t offset_flags, sidedata_offset; | |
625 | int rev, comp_len, uncomp_len, base_rev, link_rev, parent_1, parent_2, |
|
625 | int rev, comp_len, uncomp_len, base_rev, link_rev, parent_1, parent_2, | |
626 | sidedata_comp_len, rank; |
|
626 | sidedata_comp_len, rank; | |
627 | char data_comp_mode, sidedata_comp_mode; |
|
627 | char data_comp_mode, sidedata_comp_mode; | |
628 | Py_ssize_t c_node_id_len; |
|
628 | Py_ssize_t c_node_id_len; | |
629 | const char *c_node_id; |
|
629 | const char *c_node_id; | |
630 | char comp_field; |
|
630 | char comp_field; | |
631 | char *data; |
|
631 | char *data; | |
632 |
|
632 | |||
633 | if (!PyArg_ParseTuple(obj, tuple_format, &offset_flags, &comp_len, |
|
633 | if (!PyArg_ParseTuple(obj, tuple_format, &offset_flags, &comp_len, | |
634 | &uncomp_len, &base_rev, &link_rev, &parent_1, |
|
634 | &uncomp_len, &base_rev, &link_rev, &parent_1, | |
635 | &parent_2, &c_node_id, &c_node_id_len, |
|
635 | &parent_2, &c_node_id, &c_node_id_len, | |
636 | &sidedata_offset, &sidedata_comp_len, |
|
636 | &sidedata_offset, &sidedata_comp_len, | |
637 | &data_comp_mode, &sidedata_comp_mode, &rank)) { |
|
637 | &data_comp_mode, &sidedata_comp_mode, &rank)) { | |
638 | PyErr_SetString(PyExc_TypeError, "12-tuple required"); |
|
638 | PyErr_SetString(PyExc_TypeError, "12-tuple required"); | |
639 | return NULL; |
|
639 | return NULL; | |
640 | } |
|
640 | } | |
641 |
|
641 | |||
642 | if (c_node_id_len != self->nodelen) { |
|
642 | if (c_node_id_len != self->nodelen) { | |
643 | PyErr_SetString(PyExc_TypeError, "invalid node"); |
|
643 | PyErr_SetString(PyExc_TypeError, "invalid node"); | |
644 | return NULL; |
|
644 | return NULL; | |
645 | } |
|
645 | } | |
646 | if (self->format_version == format_v1) { |
|
646 | if (self->format_version == format_v1) { | |
647 |
|
647 | |||
648 | if (data_comp_mode != comp_mode_inline) { |
|
648 | if (data_comp_mode != comp_mode_inline) { | |
649 | PyErr_Format(PyExc_ValueError, |
|
649 | PyErr_Format(PyExc_ValueError, | |
650 | "invalid data compression mode: %i", |
|
650 | "invalid data compression mode: %i", | |
651 | data_comp_mode); |
|
651 | data_comp_mode); | |
652 | return NULL; |
|
652 | return NULL; | |
653 | } |
|
653 | } | |
654 | if (sidedata_comp_mode != comp_mode_inline) { |
|
654 | if (sidedata_comp_mode != comp_mode_inline) { | |
655 | PyErr_Format(PyExc_ValueError, |
|
655 | PyErr_Format(PyExc_ValueError, | |
656 | "invalid sidedata compression mode: %i", |
|
656 | "invalid sidedata compression mode: %i", | |
657 | sidedata_comp_mode); |
|
657 | sidedata_comp_mode); | |
658 | return NULL; |
|
658 | return NULL; | |
659 | } |
|
659 | } | |
660 | } |
|
660 | } | |
661 |
|
661 | |||
662 | if (self->new_length == self->added_length) { |
|
662 | if (self->new_length == self->added_length) { | |
663 | size_t new_added_length = |
|
663 | size_t new_added_length = | |
664 | self->added_length ? self->added_length * 2 : 4096; |
|
664 | self->added_length ? self->added_length * 2 : 4096; | |
665 | void *new_added = PyMem_Realloc( |
|
665 | void *new_added = PyMem_Realloc( | |
666 | self->added, new_added_length * self->entry_size); |
|
666 | self->added, new_added_length * self->entry_size); | |
667 | if (!new_added) |
|
667 | if (!new_added) | |
668 | return PyErr_NoMemory(); |
|
668 | return PyErr_NoMemory(); | |
669 | self->added = new_added; |
|
669 | self->added = new_added; | |
670 | self->added_length = new_added_length; |
|
670 | self->added_length = new_added_length; | |
671 | } |
|
671 | } | |
672 | rev = self->length + self->new_length; |
|
672 | rev = self->length + self->new_length; | |
673 | data = self->added + self->entry_size * self->new_length++; |
|
673 | data = self->added + self->entry_size * self->new_length++; | |
674 |
|
674 | |||
675 | memset(data, 0, self->entry_size); |
|
675 | memset(data, 0, self->entry_size); | |
676 |
|
676 | |||
677 | if (self->format_version == format_v1) { |
|
677 | if (self->format_version == format_v1) { | |
678 | putbe32(offset_flags >> 32, data + entry_v1_offset_high); |
|
678 | putbe32(offset_flags >> 32, data + entry_v1_offset_high); | |
679 | putbe32(offset_flags & 0xffffffffU, |
|
679 | putbe32(offset_flags & 0xffffffffU, | |
680 | data + entry_v1_offset_offset_flags); |
|
680 | data + entry_v1_offset_offset_flags); | |
681 | putbe32(comp_len, data + entry_v1_offset_comp_len); |
|
681 | putbe32(comp_len, data + entry_v1_offset_comp_len); | |
682 | putbe32(uncomp_len, data + entry_v1_offset_uncomp_len); |
|
682 | putbe32(uncomp_len, data + entry_v1_offset_uncomp_len); | |
683 | putbe32(base_rev, data + entry_v1_offset_base_rev); |
|
683 | putbe32(base_rev, data + entry_v1_offset_base_rev); | |
684 | putbe32(link_rev, data + entry_v1_offset_link_rev); |
|
684 | putbe32(link_rev, data + entry_v1_offset_link_rev); | |
685 | putbe32(parent_1, data + entry_v1_offset_parent_1); |
|
685 | putbe32(parent_1, data + entry_v1_offset_parent_1); | |
686 | putbe32(parent_2, data + entry_v1_offset_parent_2); |
|
686 | putbe32(parent_2, data + entry_v1_offset_parent_2); | |
687 | memcpy(data + entry_v1_offset_node_id, c_node_id, |
|
687 | memcpy(data + entry_v1_offset_node_id, c_node_id, | |
688 | c_node_id_len); |
|
688 | c_node_id_len); | |
689 | } else if (self->format_version == format_v2) { |
|
689 | } else if (self->format_version == format_v2) { | |
690 | putbe32(offset_flags >> 32, data + entry_v2_offset_high); |
|
690 | putbe32(offset_flags >> 32, data + entry_v2_offset_high); | |
691 | putbe32(offset_flags & 0xffffffffU, |
|
691 | putbe32(offset_flags & 0xffffffffU, | |
692 | data + entry_v2_offset_offset_flags); |
|
692 | data + entry_v2_offset_offset_flags); | |
693 | putbe32(comp_len, data + entry_v2_offset_comp_len); |
|
693 | putbe32(comp_len, data + entry_v2_offset_comp_len); | |
694 | putbe32(uncomp_len, data + entry_v2_offset_uncomp_len); |
|
694 | putbe32(uncomp_len, data + entry_v2_offset_uncomp_len); | |
695 | putbe32(base_rev, data + entry_v2_offset_base_rev); |
|
695 | putbe32(base_rev, data + entry_v2_offset_base_rev); | |
696 | putbe32(link_rev, data + entry_v2_offset_link_rev); |
|
696 | putbe32(link_rev, data + entry_v2_offset_link_rev); | |
697 | putbe32(parent_1, data + entry_v2_offset_parent_1); |
|
697 | putbe32(parent_1, data + entry_v2_offset_parent_1); | |
698 | putbe32(parent_2, data + entry_v2_offset_parent_2); |
|
698 | putbe32(parent_2, data + entry_v2_offset_parent_2); | |
699 | memcpy(data + entry_v2_offset_node_id, c_node_id, |
|
699 | memcpy(data + entry_v2_offset_node_id, c_node_id, | |
700 | c_node_id_len); |
|
700 | c_node_id_len); | |
701 | putbe64(sidedata_offset, |
|
701 | putbe64(sidedata_offset, | |
702 | data + entry_v2_offset_sidedata_offset); |
|
702 | data + entry_v2_offset_sidedata_offset); | |
703 | putbe32(sidedata_comp_len, |
|
703 | putbe32(sidedata_comp_len, | |
704 | data + entry_v2_offset_sidedata_comp_len); |
|
704 | data + entry_v2_offset_sidedata_comp_len); | |
705 | comp_field = data_comp_mode & 3; |
|
705 | comp_field = data_comp_mode & 3; | |
706 | comp_field = comp_field | (sidedata_comp_mode & 3) << 2; |
|
706 | comp_field = comp_field | (sidedata_comp_mode & 3) << 2; | |
707 | data[entry_v2_offset_all_comp_mode] = comp_field; |
|
707 | data[entry_v2_offset_all_comp_mode] = comp_field; | |
708 | } else if (self->format_version == format_cl2) { |
|
708 | } else if (self->format_version == format_cl2) { | |
709 | putbe32(offset_flags >> 32, data + entry_cl2_offset_high); |
|
709 | putbe32(offset_flags >> 32, data + entry_cl2_offset_high); | |
710 | putbe32(offset_flags & 0xffffffffU, |
|
710 | putbe32(offset_flags & 0xffffffffU, | |
711 | data + entry_cl2_offset_offset_flags); |
|
711 | data + entry_cl2_offset_offset_flags); | |
712 | putbe32(comp_len, data + entry_cl2_offset_comp_len); |
|
712 | putbe32(comp_len, data + entry_cl2_offset_comp_len); | |
713 | putbe32(uncomp_len, data + entry_cl2_offset_uncomp_len); |
|
713 | putbe32(uncomp_len, data + entry_cl2_offset_uncomp_len); | |
714 | putbe32(parent_1, data + entry_cl2_offset_parent_1); |
|
714 | putbe32(parent_1, data + entry_cl2_offset_parent_1); | |
715 | putbe32(parent_2, data + entry_cl2_offset_parent_2); |
|
715 | putbe32(parent_2, data + entry_cl2_offset_parent_2); | |
716 | memcpy(data + entry_cl2_offset_node_id, c_node_id, |
|
716 | memcpy(data + entry_cl2_offset_node_id, c_node_id, | |
717 | c_node_id_len); |
|
717 | c_node_id_len); | |
718 | putbe64(sidedata_offset, |
|
718 | putbe64(sidedata_offset, | |
719 | data + entry_cl2_offset_sidedata_offset); |
|
719 | data + entry_cl2_offset_sidedata_offset); | |
720 | putbe32(sidedata_comp_len, |
|
720 | putbe32(sidedata_comp_len, | |
721 | data + entry_cl2_offset_sidedata_comp_len); |
|
721 | data + entry_cl2_offset_sidedata_comp_len); | |
722 | comp_field = data_comp_mode & 3; |
|
722 | comp_field = data_comp_mode & 3; | |
723 | comp_field = comp_field | (sidedata_comp_mode & 3) << 2; |
|
723 | comp_field = comp_field | (sidedata_comp_mode & 3) << 2; | |
724 | data[entry_cl2_offset_all_comp_mode] = comp_field; |
|
724 | data[entry_cl2_offset_all_comp_mode] = comp_field; | |
725 | putbe32(rank, data + entry_cl2_offset_rank); |
|
725 | putbe32(rank, data + entry_cl2_offset_rank); | |
726 | } else { |
|
726 | } else { | |
727 | raise_revlog_error(); |
|
727 | raise_revlog_error(); | |
728 | return NULL; |
|
728 | return NULL; | |
729 | } |
|
729 | } | |
730 |
|
730 | |||
731 | if (self->ntinitialized) |
|
731 | if (self->ntinitialized) | |
732 | nt_insert(&self->nt, c_node_id, rev); |
|
732 | nt_insert(&self->nt, c_node_id, rev); | |
733 |
|
733 | |||
734 | Py_CLEAR(self->headrevs); |
|
734 | Py_CLEAR(self->headrevs); | |
735 | Py_RETURN_NONE; |
|
735 | Py_RETURN_NONE; | |
736 | } |
|
736 | } | |
737 |
|
737 | |||
738 | /* Replace an existing index entry's sidedata offset and length with new ones. |
|
738 | /* Replace an existing index entry's sidedata offset and length with new ones. | |
739 | This cannot be used outside of the context of sidedata rewriting, |
|
739 | This cannot be used outside of the context of sidedata rewriting, | |
740 | inside the transaction that creates the given revision. */ |
|
740 | inside the transaction that creates the given revision. */ | |
741 | static PyObject *index_replace_sidedata_info(indexObject *self, PyObject *args) |
|
741 | static PyObject *index_replace_sidedata_info(indexObject *self, PyObject *args) | |
742 | { |
|
742 | { | |
743 | uint64_t offset_flags, sidedata_offset; |
|
743 | uint64_t offset_flags, sidedata_offset; | |
744 | Py_ssize_t rev; |
|
744 | Py_ssize_t rev; | |
745 | int sidedata_comp_len; |
|
745 | int sidedata_comp_len; | |
746 | char comp_mode; |
|
746 | char comp_mode; | |
747 | char *data; |
|
747 | char *data; | |
748 | #if LONG_MAX == 0x7fffffffL |
|
748 | #if LONG_MAX == 0x7fffffffL | |
749 | const char *const sidedata_format = "nKiKB"; |
|
749 | const char *const sidedata_format = "nKiKB"; | |
750 | #else |
|
750 | #else | |
751 | const char *const sidedata_format = "nkikB"; |
|
751 | const char *const sidedata_format = "nkikB"; | |
752 | #endif |
|
752 | #endif | |
753 |
|
753 | |||
754 | if (self->entry_size == v1_entry_size || self->inlined) { |
|
754 | if (self->entry_size == v1_entry_size || self->inlined) { | |
755 | /* |
|
755 | /* | |
756 | There is a bug in the transaction handling when going from an |
|
756 | There is a bug in the transaction handling when going from an | |
757 | inline revlog to a separate index and data file. Turn it off until |
|
757 | inline revlog to a separate index and data file. Turn it off until | |
758 | it's fixed, since v2 revlogs sometimes get rewritten on exchange. |
|
758 | it's fixed, since v2 revlogs sometimes get rewritten on exchange. | |
759 | See issue6485. |
|
759 | See issue6485. | |
760 | */ |
|
760 | */ | |
761 | raise_revlog_error(); |
|
761 | raise_revlog_error(); | |
762 | return NULL; |
|
762 | return NULL; | |
763 | } |
|
763 | } | |
764 |
|
764 | |||
765 | if (!PyArg_ParseTuple(args, sidedata_format, &rev, &sidedata_offset, |
|
765 | if (!PyArg_ParseTuple(args, sidedata_format, &rev, &sidedata_offset, | |
766 | &sidedata_comp_len, &offset_flags, &comp_mode)) |
|
766 | &sidedata_comp_len, &offset_flags, &comp_mode)) | |
767 | return NULL; |
|
767 | return NULL; | |
768 |
|
768 | |||
769 | if (rev < 0 || rev >= index_length(self)) { |
|
769 | if (rev < 0 || rev >= index_length(self)) { | |
770 | PyErr_SetString(PyExc_IndexError, "revision outside index"); |
|
770 | PyErr_SetString(PyExc_IndexError, "revision outside index"); | |
771 | return NULL; |
|
771 | return NULL; | |
772 | } |
|
772 | } | |
773 | if (rev < self->length) { |
|
773 | if (rev < self->length) { | |
774 | PyErr_SetString( |
|
774 | PyErr_SetString( | |
775 | PyExc_IndexError, |
|
775 | PyExc_IndexError, | |
776 | "cannot rewrite entries outside of this transaction"); |
|
776 | "cannot rewrite entries outside of this transaction"); | |
777 | return NULL; |
|
777 | return NULL; | |
778 | } |
|
778 | } | |
779 |
|
779 | |||
780 | /* Find the newly added node, offset from the "already on-disk" length |
|
780 | /* Find the newly added node, offset from the "already on-disk" length | |
781 | */ |
|
781 | */ | |
782 | data = self->added + self->entry_size * (rev - self->length); |
|
782 | data = self->added + self->entry_size * (rev - self->length); | |
783 | if (self->format_version == format_v2) { |
|
783 | if (self->format_version == format_v2) { | |
784 | putbe64(offset_flags, data + entry_v2_offset_high); |
|
784 | putbe64(offset_flags, data + entry_v2_offset_high); | |
785 | putbe64(sidedata_offset, |
|
785 | putbe64(sidedata_offset, | |
786 | data + entry_v2_offset_sidedata_offset); |
|
786 | data + entry_v2_offset_sidedata_offset); | |
787 | putbe32(sidedata_comp_len, |
|
787 | putbe32(sidedata_comp_len, | |
788 | data + entry_v2_offset_sidedata_comp_len); |
|
788 | data + entry_v2_offset_sidedata_comp_len); | |
789 | data[entry_v2_offset_all_comp_mode] = |
|
789 | data[entry_v2_offset_all_comp_mode] = | |
790 | (data[entry_v2_offset_all_comp_mode] & ~(3 << 2)) | |
|
790 | (data[entry_v2_offset_all_comp_mode] & ~(3 << 2)) | | |
791 | ((comp_mode & 3) << 2); |
|
791 | ((comp_mode & 3) << 2); | |
792 | } else if (self->format_version == format_cl2) { |
|
792 | } else if (self->format_version == format_cl2) { | |
793 | putbe64(offset_flags, data + entry_cl2_offset_high); |
|
793 | putbe64(offset_flags, data + entry_cl2_offset_high); | |
794 | putbe64(sidedata_offset, |
|
794 | putbe64(sidedata_offset, | |
795 | data + entry_cl2_offset_sidedata_offset); |
|
795 | data + entry_cl2_offset_sidedata_offset); | |
796 | putbe32(sidedata_comp_len, |
|
796 | putbe32(sidedata_comp_len, | |
797 | data + entry_cl2_offset_sidedata_comp_len); |
|
797 | data + entry_cl2_offset_sidedata_comp_len); | |
798 | data[entry_cl2_offset_all_comp_mode] = |
|
798 | data[entry_cl2_offset_all_comp_mode] = | |
799 | (data[entry_cl2_offset_all_comp_mode] & ~(3 << 2)) | |
|
799 | (data[entry_cl2_offset_all_comp_mode] & ~(3 << 2)) | | |
800 | ((comp_mode & 3) << 2); |
|
800 | ((comp_mode & 3) << 2); | |
801 | } else { |
|
801 | } else { | |
802 | raise_revlog_error(); |
|
802 | raise_revlog_error(); | |
803 | return NULL; |
|
803 | return NULL; | |
804 | } |
|
804 | } | |
805 |
|
805 | |||
806 | Py_RETURN_NONE; |
|
806 | Py_RETURN_NONE; | |
807 | } |
|
807 | } | |
808 |
|
808 | |||
809 | static PyObject *index_stats(indexObject *self) |
|
809 | static PyObject *index_stats(indexObject *self) | |
810 | { |
|
810 | { | |
811 | PyObject *obj = PyDict_New(); |
|
811 | PyObject *obj = PyDict_New(); | |
812 | PyObject *s = NULL; |
|
812 | PyObject *s = NULL; | |
813 | PyObject *t = NULL; |
|
813 | PyObject *t = NULL; | |
814 |
|
814 | |||
815 | if (obj == NULL) |
|
815 | if (obj == NULL) | |
816 | return NULL; |
|
816 | return NULL; | |
817 |
|
817 | |||
818 | #define istat(__n, __d) \ |
|
818 | #define istat(__n, __d) \ | |
819 | do { \ |
|
819 | do { \ | |
820 | s = PyBytes_FromString(__d); \ |
|
820 | s = PyBytes_FromString(__d); \ | |
821 | t = PyLong_FromSsize_t(self->__n); \ |
|
821 | t = PyLong_FromSsize_t(self->__n); \ | |
822 | if (!s || !t) \ |
|
822 | if (!s || !t) \ | |
823 | goto bail; \ |
|
823 | goto bail; \ | |
824 | if (PyDict_SetItem(obj, s, t) == -1) \ |
|
824 | if (PyDict_SetItem(obj, s, t) == -1) \ | |
825 | goto bail; \ |
|
825 | goto bail; \ | |
826 | Py_CLEAR(s); \ |
|
826 | Py_CLEAR(s); \ | |
827 | Py_CLEAR(t); \ |
|
827 | Py_CLEAR(t); \ | |
828 | } while (0) |
|
828 | } while (0) | |
829 |
|
829 | |||
830 | if (self->added_length) |
|
830 | if (self->added_length) | |
831 | istat(new_length, "index entries added"); |
|
831 | istat(new_length, "index entries added"); | |
832 | istat(length, "revs in memory"); |
|
832 | istat(length, "revs in memory"); | |
833 | istat(ntlookups, "node trie lookups"); |
|
833 | istat(ntlookups, "node trie lookups"); | |
834 | istat(ntmisses, "node trie misses"); |
|
834 | istat(ntmisses, "node trie misses"); | |
835 | istat(ntrev, "node trie last rev scanned"); |
|
835 | istat(ntrev, "node trie last rev scanned"); | |
836 | if (self->ntinitialized) { |
|
836 | if (self->ntinitialized) { | |
837 | istat(nt.capacity, "node trie capacity"); |
|
837 | istat(nt.capacity, "node trie capacity"); | |
838 | istat(nt.depth, "node trie depth"); |
|
838 | istat(nt.depth, "node trie depth"); | |
839 | istat(nt.length, "node trie count"); |
|
839 | istat(nt.length, "node trie count"); | |
840 | istat(nt.splits, "node trie splits"); |
|
840 | istat(nt.splits, "node trie splits"); | |
841 | } |
|
841 | } | |
842 |
|
842 | |||
843 | #undef istat |
|
843 | #undef istat | |
844 |
|
844 | |||
845 | return obj; |
|
845 | return obj; | |
846 |
|
846 | |||
847 | bail: |
|
847 | bail: | |
848 | Py_XDECREF(obj); |
|
848 | Py_XDECREF(obj); | |
849 | Py_XDECREF(s); |
|
849 | Py_XDECREF(s); | |
850 | Py_XDECREF(t); |
|
850 | Py_XDECREF(t); | |
851 | return NULL; |
|
851 | return NULL; | |
852 | } |
|
852 | } | |
853 |
|
853 | |||
854 | /* |
|
854 | /* | |
855 | * When we cache a list, we want to be sure the caller can't mutate |
|
855 | * When we cache a list, we want to be sure the caller can't mutate | |
856 | * the cached copy. |
|
856 | * the cached copy. | |
857 | */ |
|
857 | */ | |
858 | static PyObject *list_copy(PyObject *list) |
|
858 | static PyObject *list_copy(PyObject *list) | |
859 | { |
|
859 | { | |
860 | Py_ssize_t len = PyList_GET_SIZE(list); |
|
860 | Py_ssize_t len = PyList_GET_SIZE(list); | |
861 | PyObject *newlist = PyList_New(len); |
|
861 | PyObject *newlist = PyList_New(len); | |
862 | Py_ssize_t i; |
|
862 | Py_ssize_t i; | |
863 |
|
863 | |||
864 | if (newlist == NULL) |
|
864 | if (newlist == NULL) | |
865 | return NULL; |
|
865 | return NULL; | |
866 |
|
866 | |||
867 | for (i = 0; i < len; i++) { |
|
867 | for (i = 0; i < len; i++) { | |
868 | PyObject *obj = PyList_GET_ITEM(list, i); |
|
868 | PyObject *obj = PyList_GET_ITEM(list, i); | |
869 | Py_INCREF(obj); |
|
869 | Py_INCREF(obj); | |
870 | PyList_SET_ITEM(newlist, i, obj); |
|
870 | PyList_SET_ITEM(newlist, i, obj); | |
871 | } |
|
871 | } | |
872 |
|
872 | |||
873 | return newlist; |
|
873 | return newlist; | |
874 | } |
|
874 | } | |
875 |
|
875 | |||
876 | static int check_filter(PyObject *filter, Py_ssize_t arg) |
|
876 | static int check_filter(PyObject *filter, Py_ssize_t arg) | |
877 | { |
|
877 | { | |
878 | if (filter) { |
|
878 | if (filter) { | |
879 | PyObject *arglist, *result; |
|
879 | PyObject *arglist, *result; | |
880 | int isfiltered; |
|
880 | int isfiltered; | |
881 |
|
881 | |||
882 | arglist = Py_BuildValue("(n)", arg); |
|
882 | arglist = Py_BuildValue("(n)", arg); | |
883 | if (!arglist) { |
|
883 | if (!arglist) { | |
884 | return -1; |
|
884 | return -1; | |
885 | } |
|
885 | } | |
886 |
|
886 | |||
887 | result = PyObject_Call(filter, arglist, NULL); |
|
887 | result = PyObject_Call(filter, arglist, NULL); | |
888 | Py_DECREF(arglist); |
|
888 | Py_DECREF(arglist); | |
889 | if (!result) { |
|
889 | if (!result) { | |
890 | return -1; |
|
890 | return -1; | |
891 | } |
|
891 | } | |
892 |
|
892 | |||
893 | /* PyObject_IsTrue returns 1 if true, 0 if false, -1 if error, |
|
893 | /* PyObject_IsTrue returns 1 if true, 0 if false, -1 if error, | |
894 | * same as this function, so we can just return it directly.*/ |
|
894 | * same as this function, so we can just return it directly.*/ | |
895 | isfiltered = PyObject_IsTrue(result); |
|
895 | isfiltered = PyObject_IsTrue(result); | |
896 | Py_DECREF(result); |
|
896 | Py_DECREF(result); | |
897 | return isfiltered; |
|
897 | return isfiltered; | |
898 | } else { |
|
898 | } else { | |
899 | return 0; |
|
899 | return 0; | |
900 | } |
|
900 | } | |
901 | } |
|
901 | } | |
902 |
|
902 | |||
903 | static inline void set_phase_from_parents(char *phases, int parent_1, |
|
903 | static inline void set_phase_from_parents(char *phases, int parent_1, | |
904 | int parent_2, Py_ssize_t i) |
|
904 | int parent_2, Py_ssize_t i) | |
905 | { |
|
905 | { | |
906 | if (parent_1 >= 0 && phases[parent_1] > phases[i]) |
|
906 | if (parent_1 >= 0 && phases[parent_1] > phases[i]) | |
907 | phases[i] = phases[parent_1]; |
|
907 | phases[i] = phases[parent_1]; | |
908 | if (parent_2 >= 0 && phases[parent_2] > phases[i]) |
|
908 | if (parent_2 >= 0 && phases[parent_2] > phases[i]) | |
909 | phases[i] = phases[parent_2]; |
|
909 | phases[i] = phases[parent_2]; | |
910 | } |
|
910 | } | |
911 |
|
911 | |||
912 | static PyObject *reachableroots2(indexObject *self, PyObject *args) |
|
912 | static PyObject *reachableroots2(indexObject *self, PyObject *args) | |
913 | { |
|
913 | { | |
914 |
|
914 | |||
915 | /* Input */ |
|
915 | /* Input */ | |
916 | long minroot; |
|
916 | long minroot; | |
917 | PyObject *includepatharg = NULL; |
|
917 | PyObject *includepatharg = NULL; | |
918 | int includepath = 0; |
|
918 | int includepath = 0; | |
919 | /* heads and roots are lists */ |
|
919 | /* heads and roots are lists */ | |
920 | PyObject *heads = NULL; |
|
920 | PyObject *heads = NULL; | |
921 | PyObject *roots = NULL; |
|
921 | PyObject *roots = NULL; | |
922 | PyObject *reachable = NULL; |
|
922 | PyObject *reachable = NULL; | |
923 |
|
923 | |||
924 | PyObject *val; |
|
924 | PyObject *val; | |
925 | Py_ssize_t len = index_length(self); |
|
925 | Py_ssize_t len = index_length(self); | |
926 | long revnum; |
|
926 | long revnum; | |
927 | Py_ssize_t k; |
|
927 | Py_ssize_t k; | |
928 | Py_ssize_t i; |
|
928 | Py_ssize_t i; | |
929 | Py_ssize_t l; |
|
929 | Py_ssize_t l; | |
930 | int r; |
|
930 | int r; | |
931 | int parents[2]; |
|
931 | int parents[2]; | |
932 |
|
932 | |||
933 | /* Internal data structure: |
|
933 | /* Internal data structure: | |
934 | * tovisit: array of length len+1 (all revs + nullrev), filled upto |
|
934 | * tovisit: array of length len+1 (all revs + nullrev), filled upto | |
935 | * lentovisit |
|
935 | * lentovisit | |
936 | * |
|
936 | * | |
937 | * revstates: array of length len+1 (all revs + nullrev) */ |
|
937 | * revstates: array of length len+1 (all revs + nullrev) */ | |
938 | int *tovisit = NULL; |
|
938 | int *tovisit = NULL; | |
939 | long lentovisit = 0; |
|
939 | long lentovisit = 0; | |
940 | enum { RS_SEEN = 1, RS_ROOT = 2, RS_REACHABLE = 4 }; |
|
940 | enum { RS_SEEN = 1, RS_ROOT = 2, RS_REACHABLE = 4 }; | |
941 | char *revstates = NULL; |
|
941 | char *revstates = NULL; | |
942 |
|
942 | |||
943 | /* Get arguments */ |
|
943 | /* Get arguments */ | |
944 | if (!PyArg_ParseTuple(args, "lO!O!O!", &minroot, &PyList_Type, &heads, |
|
944 | if (!PyArg_ParseTuple(args, "lO!O!O!", &minroot, &PyList_Type, &heads, | |
945 | &PyList_Type, &roots, &PyBool_Type, |
|
945 | &PyList_Type, &roots, &PyBool_Type, | |
946 | &includepatharg)) |
|
946 | &includepatharg)) | |
947 | goto bail; |
|
947 | goto bail; | |
948 |
|
948 | |||
949 | if (includepatharg == Py_True) |
|
949 | if (includepatharg == Py_True) | |
950 | includepath = 1; |
|
950 | includepath = 1; | |
951 |
|
951 | |||
952 | /* Initialize return set */ |
|
952 | /* Initialize return set */ | |
953 | reachable = PyList_New(0); |
|
953 | reachable = PyList_New(0); | |
954 | if (reachable == NULL) |
|
954 | if (reachable == NULL) | |
955 | goto bail; |
|
955 | goto bail; | |
956 |
|
956 | |||
957 | /* Initialize internal datastructures */ |
|
957 | /* Initialize internal datastructures */ | |
958 | tovisit = (int *)malloc((len + 1) * sizeof(int)); |
|
958 | tovisit = (int *)malloc((len + 1) * sizeof(int)); | |
959 | if (tovisit == NULL) { |
|
959 | if (tovisit == NULL) { | |
960 | PyErr_NoMemory(); |
|
960 | PyErr_NoMemory(); | |
961 | goto bail; |
|
961 | goto bail; | |
962 | } |
|
962 | } | |
963 |
|
963 | |||
964 | revstates = (char *)calloc(len + 1, 1); |
|
964 | revstates = (char *)calloc(len + 1, 1); | |
965 | if (revstates == NULL) { |
|
965 | if (revstates == NULL) { | |
966 | PyErr_NoMemory(); |
|
966 | PyErr_NoMemory(); | |
967 | goto bail; |
|
967 | goto bail; | |
968 | } |
|
968 | } | |
969 |
|
969 | |||
970 | l = PyList_GET_SIZE(roots); |
|
970 | l = PyList_GET_SIZE(roots); | |
971 | for (i = 0; i < l; i++) { |
|
971 | for (i = 0; i < l; i++) { | |
972 | revnum = PyLong_AsLong(PyList_GET_ITEM(roots, i)); |
|
972 | revnum = PyLong_AsLong(PyList_GET_ITEM(roots, i)); | |
973 | if (revnum == -1 && PyErr_Occurred()) |
|
973 | if (revnum == -1 && PyErr_Occurred()) | |
974 | goto bail; |
|
974 | goto bail; | |
975 | /* If root is out of range, e.g. wdir(), it must be unreachable |
|
975 | /* If root is out of range, e.g. wdir(), it must be unreachable | |
976 | * from heads. So we can just ignore it. */ |
|
976 | * from heads. So we can just ignore it. */ | |
977 | if (revnum + 1 < 0 || revnum + 1 >= len + 1) |
|
977 | if (revnum + 1 < 0 || revnum + 1 >= len + 1) | |
978 | continue; |
|
978 | continue; | |
979 | revstates[revnum + 1] |= RS_ROOT; |
|
979 | revstates[revnum + 1] |= RS_ROOT; | |
980 | } |
|
980 | } | |
981 |
|
981 | |||
982 | /* Populate tovisit with all the heads */ |
|
982 | /* Populate tovisit with all the heads */ | |
983 | l = PyList_GET_SIZE(heads); |
|
983 | l = PyList_GET_SIZE(heads); | |
984 | for (i = 0; i < l; i++) { |
|
984 | for (i = 0; i < l; i++) { | |
985 | revnum = PyLong_AsLong(PyList_GET_ITEM(heads, i)); |
|
985 | revnum = PyLong_AsLong(PyList_GET_ITEM(heads, i)); | |
986 | if (revnum == -1 && PyErr_Occurred()) |
|
986 | if (revnum == -1 && PyErr_Occurred()) | |
987 | goto bail; |
|
987 | goto bail; | |
988 | if (revnum + 1 < 0 || revnum + 1 >= len + 1) { |
|
988 | if (revnum + 1 < 0 || revnum + 1 >= len + 1) { | |
989 | PyErr_SetString(PyExc_IndexError, "head out of range"); |
|
989 | PyErr_SetString(PyExc_IndexError, "head out of range"); | |
990 | goto bail; |
|
990 | goto bail; | |
991 | } |
|
991 | } | |
992 | if (!(revstates[revnum + 1] & RS_SEEN)) { |
|
992 | if (!(revstates[revnum + 1] & RS_SEEN)) { | |
993 | tovisit[lentovisit++] = (int)revnum; |
|
993 | tovisit[lentovisit++] = (int)revnum; | |
994 | revstates[revnum + 1] |= RS_SEEN; |
|
994 | revstates[revnum + 1] |= RS_SEEN; | |
995 | } |
|
995 | } | |
996 | } |
|
996 | } | |
997 |
|
997 | |||
998 | /* Visit the tovisit list and find the reachable roots */ |
|
998 | /* Visit the tovisit list and find the reachable roots */ | |
999 | k = 0; |
|
999 | k = 0; | |
1000 | while (k < lentovisit) { |
|
1000 | while (k < lentovisit) { | |
1001 | /* Add the node to reachable if it is a root*/ |
|
1001 | /* Add the node to reachable if it is a root*/ | |
1002 | revnum = tovisit[k++]; |
|
1002 | revnum = tovisit[k++]; | |
1003 | if (revstates[revnum + 1] & RS_ROOT) { |
|
1003 | if (revstates[revnum + 1] & RS_ROOT) { | |
1004 | revstates[revnum + 1] |= RS_REACHABLE; |
|
1004 | revstates[revnum + 1] |= RS_REACHABLE; | |
1005 | val = PyLong_FromLong(revnum); |
|
1005 | val = PyLong_FromLong(revnum); | |
1006 | if (val == NULL) |
|
1006 | if (val == NULL) | |
1007 | goto bail; |
|
1007 | goto bail; | |
1008 | r = PyList_Append(reachable, val); |
|
1008 | r = PyList_Append(reachable, val); | |
1009 | Py_DECREF(val); |
|
1009 | Py_DECREF(val); | |
1010 | if (r < 0) |
|
1010 | if (r < 0) | |
1011 | goto bail; |
|
1011 | goto bail; | |
1012 | if (includepath == 0) |
|
1012 | if (includepath == 0) | |
1013 | continue; |
|
1013 | continue; | |
1014 | } |
|
1014 | } | |
1015 |
|
1015 | |||
1016 | /* Add its parents to the list of nodes to visit */ |
|
1016 | /* Add its parents to the list of nodes to visit */ | |
1017 | if (revnum == nullrev) |
|
1017 | if (revnum == nullrev) | |
1018 | continue; |
|
1018 | continue; | |
1019 | r = index_get_parents(self, revnum, parents, (int)len - 1); |
|
1019 | r = index_get_parents(self, revnum, parents, (int)len - 1); | |
1020 | if (r < 0) |
|
1020 | if (r < 0) | |
1021 | goto bail; |
|
1021 | goto bail; | |
1022 | for (i = 0; i < 2; i++) { |
|
1022 | for (i = 0; i < 2; i++) { | |
1023 | if (!(revstates[parents[i] + 1] & RS_SEEN) && |
|
1023 | if (!(revstates[parents[i] + 1] & RS_SEEN) && | |
1024 | parents[i] >= minroot) { |
|
1024 | parents[i] >= minroot) { | |
1025 | tovisit[lentovisit++] = parents[i]; |
|
1025 | tovisit[lentovisit++] = parents[i]; | |
1026 | revstates[parents[i] + 1] |= RS_SEEN; |
|
1026 | revstates[parents[i] + 1] |= RS_SEEN; | |
1027 | } |
|
1027 | } | |
1028 | } |
|
1028 | } | |
1029 | } |
|
1029 | } | |
1030 |
|
1030 | |||
1031 | /* Find all the nodes in between the roots we found and the heads |
|
1031 | /* Find all the nodes in between the roots we found and the heads | |
1032 | * and add them to the reachable set */ |
|
1032 | * and add them to the reachable set */ | |
1033 | if (includepath == 1) { |
|
1033 | if (includepath == 1) { | |
1034 | long minidx = minroot; |
|
1034 | long minidx = minroot; | |
1035 | if (minidx < 0) |
|
1035 | if (minidx < 0) | |
1036 | minidx = 0; |
|
1036 | minidx = 0; | |
1037 | for (i = minidx; i < len; i++) { |
|
1037 | for (i = minidx; i < len; i++) { | |
1038 | if (!(revstates[i + 1] & RS_SEEN)) |
|
1038 | if (!(revstates[i + 1] & RS_SEEN)) | |
1039 | continue; |
|
1039 | continue; | |
1040 | r = index_get_parents(self, i, parents, (int)len - 1); |
|
1040 | r = index_get_parents(self, i, parents, (int)len - 1); | |
1041 | /* Corrupted index file, error is set from |
|
1041 | /* Corrupted index file, error is set from | |
1042 | * index_get_parents */ |
|
1042 | * index_get_parents */ | |
1043 | if (r < 0) |
|
1043 | if (r < 0) | |
1044 | goto bail; |
|
1044 | goto bail; | |
1045 | if (((revstates[parents[0] + 1] | |
|
1045 | if (((revstates[parents[0] + 1] | | |
1046 | revstates[parents[1] + 1]) & |
|
1046 | revstates[parents[1] + 1]) & | |
1047 | RS_REACHABLE) && |
|
1047 | RS_REACHABLE) && | |
1048 | !(revstates[i + 1] & RS_REACHABLE)) { |
|
1048 | !(revstates[i + 1] & RS_REACHABLE)) { | |
1049 | revstates[i + 1] |= RS_REACHABLE; |
|
1049 | revstates[i + 1] |= RS_REACHABLE; | |
1050 | val = PyLong_FromSsize_t(i); |
|
1050 | val = PyLong_FromSsize_t(i); | |
1051 | if (val == NULL) |
|
1051 | if (val == NULL) | |
1052 | goto bail; |
|
1052 | goto bail; | |
1053 | r = PyList_Append(reachable, val); |
|
1053 | r = PyList_Append(reachable, val); | |
1054 | Py_DECREF(val); |
|
1054 | Py_DECREF(val); | |
1055 | if (r < 0) |
|
1055 | if (r < 0) | |
1056 | goto bail; |
|
1056 | goto bail; | |
1057 | } |
|
1057 | } | |
1058 | } |
|
1058 | } | |
1059 | } |
|
1059 | } | |
1060 |
|
1060 | |||
1061 | free(revstates); |
|
1061 | free(revstates); | |
1062 | free(tovisit); |
|
1062 | free(tovisit); | |
1063 | return reachable; |
|
1063 | return reachable; | |
1064 | bail: |
|
1064 | bail: | |
1065 | Py_XDECREF(reachable); |
|
1065 | Py_XDECREF(reachable); | |
1066 | free(revstates); |
|
1066 | free(revstates); | |
1067 | free(tovisit); |
|
1067 | free(tovisit); | |
1068 | return NULL; |
|
1068 | return NULL; | |
1069 | } |
|
1069 | } | |
1070 |
|
1070 | |||
1071 | static int add_roots_get_min(indexObject *self, PyObject *roots, char *phases, |
|
1071 | static int add_roots_get_min(indexObject *self, PyObject *roots, char *phases, | |
1072 | char phase) |
|
1072 | char phase) | |
1073 | { |
|
1073 | { | |
1074 | Py_ssize_t len = index_length(self); |
|
1074 | Py_ssize_t len = index_length(self); | |
1075 | PyObject *item; |
|
1075 | PyObject *item; | |
1076 | PyObject *iterator; |
|
1076 | PyObject *iterator; | |
1077 | int rev, minrev = -1; |
|
1077 | int rev, minrev = -1; | |
1078 | char *node; |
|
1078 | char *node; | |
1079 |
|
1079 | |||
1080 | if (!PySet_Check(roots)) { |
|
1080 | if (!PySet_Check(roots)) { | |
1081 | PyErr_SetString(PyExc_TypeError, |
|
1081 | PyErr_SetString(PyExc_TypeError, | |
1082 | "roots must be a set of nodes"); |
|
1082 | "roots must be a set of nodes"); | |
1083 | return -2; |
|
1083 | return -2; | |
1084 | } |
|
1084 | } | |
1085 | iterator = PyObject_GetIter(roots); |
|
1085 | iterator = PyObject_GetIter(roots); | |
1086 | if (iterator == NULL) |
|
1086 | if (iterator == NULL) | |
1087 | return -2; |
|
1087 | return -2; | |
1088 | while ((item = PyIter_Next(iterator))) { |
|
1088 | while ((item = PyIter_Next(iterator))) { | |
1089 | if (node_check(self->nodelen, item, &node) == -1) |
|
1089 | if (node_check(self->nodelen, item, &node) == -1) | |
1090 | goto failed; |
|
1090 | goto failed; | |
1091 | rev = index_find_node(self, node); |
|
1091 | rev = index_find_node(self, node); | |
1092 | /* null is implicitly public, so negative is invalid */ |
|
1092 | /* null is implicitly public, so negative is invalid */ | |
1093 | if (rev < 0 || rev >= len) |
|
1093 | if (rev < 0 || rev >= len) | |
1094 | goto failed; |
|
1094 | goto failed; | |
1095 | phases[rev] = phase; |
|
1095 | phases[rev] = phase; | |
1096 | if (minrev == -1 || minrev > rev) |
|
1096 | if (minrev == -1 || minrev > rev) | |
1097 | minrev = rev; |
|
1097 | minrev = rev; | |
1098 | Py_DECREF(item); |
|
1098 | Py_DECREF(item); | |
1099 | } |
|
1099 | } | |
1100 | Py_DECREF(iterator); |
|
1100 | Py_DECREF(iterator); | |
1101 | return minrev; |
|
1101 | return minrev; | |
1102 | failed: |
|
1102 | failed: | |
1103 | Py_DECREF(iterator); |
|
1103 | Py_DECREF(iterator); | |
1104 | Py_DECREF(item); |
|
1104 | Py_DECREF(item); | |
1105 | return -2; |
|
1105 | return -2; | |
1106 | } |
|
1106 | } | |
1107 |
|
1107 | |||
1108 | static PyObject *compute_phases_map_sets(indexObject *self, PyObject *args) |
|
1108 | static PyObject *compute_phases_map_sets(indexObject *self, PyObject *args) | |
1109 | { |
|
1109 | { | |
1110 | /* 0: public (untracked), 1: draft, 2: secret, 32: archive, |
|
1110 | /* 0: public (untracked), 1: draft, 2: secret, 32: archive, | |
1111 | 96: internal */ |
|
1111 | 96: internal */ | |
1112 | static const char trackedphases[] = {1, 2, 32, 96}; |
|
1112 | static const char trackedphases[] = {1, 2, 32, 96}; | |
1113 | PyObject *roots = Py_None; |
|
1113 | PyObject *roots = Py_None; | |
1114 | PyObject *phasesetsdict = NULL; |
|
1114 | PyObject *phasesetsdict = NULL; | |
1115 | PyObject *phasesets[4] = {NULL, NULL, NULL, NULL}; |
|
1115 | PyObject *phasesets[4] = {NULL, NULL, NULL, NULL}; | |
1116 | Py_ssize_t len = index_length(self); |
|
1116 | Py_ssize_t len = index_length(self); | |
1117 | char *phases = NULL; |
|
1117 | char *phases = NULL; | |
1118 | int minphaserev = -1, rev, i; |
|
1118 | int minphaserev = -1, rev, i; | |
1119 | const int numphases = (int)(sizeof(phasesets) / sizeof(phasesets[0])); |
|
1119 | const int numphases = (int)(sizeof(phasesets) / sizeof(phasesets[0])); | |
1120 |
|
1120 | |||
1121 | if (!PyArg_ParseTuple(args, "O", &roots)) |
|
1121 | if (!PyArg_ParseTuple(args, "O", &roots)) | |
1122 | return NULL; |
|
1122 | return NULL; | |
1123 | if (roots == NULL || !PyDict_Check(roots)) { |
|
1123 | if (roots == NULL || !PyDict_Check(roots)) { | |
1124 | PyErr_SetString(PyExc_TypeError, "roots must be a dictionary"); |
|
1124 | PyErr_SetString(PyExc_TypeError, "roots must be a dictionary"); | |
1125 | return NULL; |
|
1125 | return NULL; | |
1126 | } |
|
1126 | } | |
1127 |
|
1127 | |||
1128 | phases = calloc(len, 1); |
|
1128 | phases = calloc(len, 1); | |
1129 | if (phases == NULL) { |
|
1129 | if (phases == NULL) { | |
1130 | PyErr_NoMemory(); |
|
1130 | PyErr_NoMemory(); | |
1131 | return NULL; |
|
1131 | return NULL; | |
1132 | } |
|
1132 | } | |
1133 |
|
1133 | |||
1134 | for (i = 0; i < numphases; ++i) { |
|
1134 | for (i = 0; i < numphases; ++i) { | |
1135 | PyObject *pyphase = PyLong_FromLong(trackedphases[i]); |
|
1135 | PyObject *pyphase = PyLong_FromLong(trackedphases[i]); | |
1136 | PyObject *phaseroots = NULL; |
|
1136 | PyObject *phaseroots = NULL; | |
1137 | if (pyphase == NULL) |
|
1137 | if (pyphase == NULL) | |
1138 | goto release; |
|
1138 | goto release; | |
1139 | phaseroots = PyDict_GetItem(roots, pyphase); |
|
1139 | phaseroots = PyDict_GetItem(roots, pyphase); | |
1140 | Py_DECREF(pyphase); |
|
1140 | Py_DECREF(pyphase); | |
1141 | if (phaseroots == NULL) |
|
1141 | if (phaseroots == NULL) | |
1142 | continue; |
|
1142 | continue; | |
1143 | rev = add_roots_get_min(self, phaseroots, phases, |
|
1143 | rev = add_roots_get_min(self, phaseroots, phases, | |
1144 | trackedphases[i]); |
|
1144 | trackedphases[i]); | |
1145 | if (rev == -2) |
|
1145 | if (rev == -2) | |
1146 | goto release; |
|
1146 | goto release; | |
1147 | if (rev != -1 && (minphaserev == -1 || rev < minphaserev)) |
|
1147 | if (rev != -1 && (minphaserev == -1 || rev < minphaserev)) | |
1148 | minphaserev = rev; |
|
1148 | minphaserev = rev; | |
1149 | } |
|
1149 | } | |
1150 |
|
1150 | |||
1151 | for (i = 0; i < numphases; ++i) { |
|
1151 | for (i = 0; i < numphases; ++i) { | |
1152 | phasesets[i] = PySet_New(NULL); |
|
1152 | phasesets[i] = PySet_New(NULL); | |
1153 | if (phasesets[i] == NULL) |
|
1153 | if (phasesets[i] == NULL) | |
1154 | goto release; |
|
1154 | goto release; | |
1155 | } |
|
1155 | } | |
1156 |
|
1156 | |||
1157 | if (minphaserev == -1) |
|
1157 | if (minphaserev == -1) | |
1158 | minphaserev = len; |
|
1158 | minphaserev = len; | |
1159 | for (rev = minphaserev; rev < len; ++rev) { |
|
1159 | for (rev = minphaserev; rev < len; ++rev) { | |
1160 | PyObject *pyphase = NULL; |
|
1160 | PyObject *pyphase = NULL; | |
1161 | PyObject *pyrev = NULL; |
|
1161 | PyObject *pyrev = NULL; | |
1162 | int parents[2]; |
|
1162 | int parents[2]; | |
1163 | /* |
|
1163 | /* | |
1164 | * The parent lookup could be skipped for phaseroots, but |
|
1164 | * The parent lookup could be skipped for phaseroots, but | |
1165 | * phase --force would historically not recompute them |
|
1165 | * phase --force would historically not recompute them | |
1166 | * correctly, leaving descendents with a lower phase around. |
|
1166 | * correctly, leaving descendents with a lower phase around. | |
1167 | * As such, unconditionally recompute the phase. |
|
1167 | * As such, unconditionally recompute the phase. | |
1168 | */ |
|
1168 | */ | |
1169 | if (index_get_parents(self, rev, parents, (int)len - 1) < 0) |
|
1169 | if (index_get_parents(self, rev, parents, (int)len - 1) < 0) | |
1170 | goto release; |
|
1170 | goto release; | |
1171 | set_phase_from_parents(phases, parents[0], parents[1], rev); |
|
1171 | set_phase_from_parents(phases, parents[0], parents[1], rev); | |
1172 | switch (phases[rev]) { |
|
1172 | switch (phases[rev]) { | |
1173 | case 0: |
|
1173 | case 0: | |
1174 | continue; |
|
1174 | continue; | |
1175 | case 1: |
|
1175 | case 1: | |
1176 | pyphase = phasesets[0]; |
|
1176 | pyphase = phasesets[0]; | |
1177 | break; |
|
1177 | break; | |
1178 | case 2: |
|
1178 | case 2: | |
1179 | pyphase = phasesets[1]; |
|
1179 | pyphase = phasesets[1]; | |
1180 | break; |
|
1180 | break; | |
1181 | case 32: |
|
1181 | case 32: | |
1182 | pyphase = phasesets[2]; |
|
1182 | pyphase = phasesets[2]; | |
1183 | break; |
|
1183 | break; | |
1184 | case 96: |
|
1184 | case 96: | |
1185 | pyphase = phasesets[3]; |
|
1185 | pyphase = phasesets[3]; | |
1186 | break; |
|
1186 | break; | |
1187 | default: |
|
1187 | default: | |
1188 | /* this should never happen since the phase number is |
|
1188 | /* this should never happen since the phase number is | |
1189 | * specified by this function. */ |
|
1189 | * specified by this function. */ | |
1190 | PyErr_SetString(PyExc_SystemError, |
|
1190 | PyErr_SetString(PyExc_SystemError, | |
1191 | "bad phase number in internal list"); |
|
1191 | "bad phase number in internal list"); | |
1192 | goto release; |
|
1192 | goto release; | |
1193 | } |
|
1193 | } | |
1194 | pyrev = PyLong_FromLong(rev); |
|
1194 | pyrev = PyLong_FromLong(rev); | |
1195 | if (pyrev == NULL) |
|
1195 | if (pyrev == NULL) | |
1196 | goto release; |
|
1196 | goto release; | |
1197 | if (PySet_Add(pyphase, pyrev) == -1) { |
|
1197 | if (PySet_Add(pyphase, pyrev) == -1) { | |
1198 | Py_DECREF(pyrev); |
|
1198 | Py_DECREF(pyrev); | |
1199 | goto release; |
|
1199 | goto release; | |
1200 | } |
|
1200 | } | |
1201 | Py_DECREF(pyrev); |
|
1201 | Py_DECREF(pyrev); | |
1202 | } |
|
1202 | } | |
1203 |
|
1203 | |||
1204 | phasesetsdict = _dict_new_presized(numphases); |
|
1204 | phasesetsdict = _dict_new_presized(numphases); | |
1205 | if (phasesetsdict == NULL) |
|
1205 | if (phasesetsdict == NULL) | |
1206 | goto release; |
|
1206 | goto release; | |
1207 | for (i = 0; i < numphases; ++i) { |
|
1207 | for (i = 0; i < numphases; ++i) { | |
1208 | PyObject *pyphase = PyLong_FromLong(trackedphases[i]); |
|
1208 | PyObject *pyphase = PyLong_FromLong(trackedphases[i]); | |
1209 | if (pyphase == NULL) |
|
1209 | if (pyphase == NULL) | |
1210 | goto release; |
|
1210 | goto release; | |
1211 | if (PyDict_SetItem(phasesetsdict, pyphase, phasesets[i]) == |
|
1211 | if (PyDict_SetItem(phasesetsdict, pyphase, phasesets[i]) == | |
1212 | -1) { |
|
1212 | -1) { | |
1213 | Py_DECREF(pyphase); |
|
1213 | Py_DECREF(pyphase); | |
1214 | goto release; |
|
1214 | goto release; | |
1215 | } |
|
1215 | } | |
1216 | Py_DECREF(phasesets[i]); |
|
1216 | Py_DECREF(phasesets[i]); | |
1217 | phasesets[i] = NULL; |
|
1217 | phasesets[i] = NULL; | |
1218 | } |
|
1218 | } | |
1219 |
|
1219 | |||
1220 | free(phases); |
|
1220 | free(phases); | |
1221 | return Py_BuildValue("nN", len, phasesetsdict); |
|
1221 | return Py_BuildValue("nN", len, phasesetsdict); | |
1222 |
|
1222 | |||
1223 | release: |
|
1223 | release: | |
1224 | for (i = 0; i < numphases; ++i) |
|
1224 | for (i = 0; i < numphases; ++i) | |
1225 | Py_XDECREF(phasesets[i]); |
|
1225 | Py_XDECREF(phasesets[i]); | |
1226 | Py_XDECREF(phasesetsdict); |
|
1226 | Py_XDECREF(phasesetsdict); | |
1227 |
|
1227 | |||
1228 | free(phases); |
|
1228 | free(phases); | |
1229 | return NULL; |
|
1229 | return NULL; | |
1230 | } |
|
1230 | } | |
1231 |
|
1231 | |||
1232 | static PyObject *index_headrevs(indexObject *self, PyObject *args) |
|
1232 | static PyObject *index_headrevs(indexObject *self, PyObject *args) | |
1233 | { |
|
1233 | { | |
1234 | Py_ssize_t i, j, len; |
|
1234 | Py_ssize_t i, j, len; | |
1235 | char *nothead = NULL; |
|
1235 | char *nothead = NULL; | |
1236 | PyObject *heads = NULL; |
|
1236 | PyObject *heads = NULL; | |
1237 | PyObject *filter = NULL; |
|
1237 | PyObject *filter = NULL; | |
1238 | PyObject *filteredrevs = Py_None; |
|
1238 | PyObject *filteredrevs = Py_None; | |
1239 |
|
1239 | |||
1240 | if (!PyArg_ParseTuple(args, "|O", &filteredrevs)) { |
|
1240 | if (!PyArg_ParseTuple(args, "|O", &filteredrevs)) { | |
1241 | return NULL; |
|
1241 | return NULL; | |
1242 | } |
|
1242 | } | |
1243 |
|
1243 | |||
1244 | if (self->headrevs && filteredrevs == self->filteredrevs) |
|
1244 | if (self->headrevs && filteredrevs == self->filteredrevs) | |
1245 | return list_copy(self->headrevs); |
|
1245 | return list_copy(self->headrevs); | |
1246 |
|
1246 | |||
1247 | Py_DECREF(self->filteredrevs); |
|
1247 | Py_DECREF(self->filteredrevs); | |
1248 | self->filteredrevs = filteredrevs; |
|
1248 | self->filteredrevs = filteredrevs; | |
1249 | Py_INCREF(filteredrevs); |
|
1249 | Py_INCREF(filteredrevs); | |
1250 |
|
1250 | |||
1251 | if (filteredrevs != Py_None) { |
|
1251 | if (filteredrevs != Py_None) { | |
1252 | filter = PyObject_GetAttrString(filteredrevs, "__contains__"); |
|
1252 | filter = PyObject_GetAttrString(filteredrevs, "__contains__"); | |
1253 | if (!filter) { |
|
1253 | if (!filter) { | |
1254 | PyErr_SetString( |
|
1254 | PyErr_SetString( | |
1255 | PyExc_TypeError, |
|
1255 | PyExc_TypeError, | |
1256 | "filteredrevs has no attribute __contains__"); |
|
1256 | "filteredrevs has no attribute __contains__"); | |
1257 | goto bail; |
|
1257 | goto bail; | |
1258 | } |
|
1258 | } | |
1259 | } |
|
1259 | } | |
1260 |
|
1260 | |||
1261 | len = index_length(self); |
|
1261 | len = index_length(self); | |
1262 | heads = PyList_New(0); |
|
1262 | heads = PyList_New(0); | |
1263 | if (heads == NULL) |
|
1263 | if (heads == NULL) | |
1264 | goto bail; |
|
1264 | goto bail; | |
1265 | if (len == 0) { |
|
1265 | if (len == 0) { | |
1266 | PyObject *nullid = PyLong_FromLong(-1); |
|
1266 | PyObject *nullid = PyLong_FromLong(-1); | |
1267 | if (nullid == NULL || PyList_Append(heads, nullid) == -1) { |
|
1267 | if (nullid == NULL || PyList_Append(heads, nullid) == -1) { | |
1268 | Py_XDECREF(nullid); |
|
1268 | Py_XDECREF(nullid); | |
1269 | goto bail; |
|
1269 | goto bail; | |
1270 | } |
|
1270 | } | |
1271 | goto done; |
|
1271 | goto done; | |
1272 | } |
|
1272 | } | |
1273 |
|
1273 | |||
1274 | nothead = calloc(len, 1); |
|
1274 | nothead = calloc(len, 1); | |
1275 | if (nothead == NULL) { |
|
1275 | if (nothead == NULL) { | |
1276 | PyErr_NoMemory(); |
|
1276 | PyErr_NoMemory(); | |
1277 | goto bail; |
|
1277 | goto bail; | |
1278 | } |
|
1278 | } | |
1279 |
|
1279 | |||
1280 | for (i = len - 1; i >= 0; i--) { |
|
1280 | for (i = len - 1; i >= 0; i--) { | |
1281 | int isfiltered; |
|
1281 | int isfiltered; | |
1282 | int parents[2]; |
|
1282 | int parents[2]; | |
1283 |
|
1283 | |||
1284 | /* If nothead[i] == 1, it means we've seen an unfiltered child |
|
1284 | /* If nothead[i] == 1, it means we've seen an unfiltered child | |
1285 | * of this node already, and therefore this node is not |
|
1285 | * of this node already, and therefore this node is not | |
1286 | * filtered. So we can skip the expensive check_filter step. |
|
1286 | * filtered. So we can skip the expensive check_filter step. | |
1287 | */ |
|
1287 | */ | |
1288 | if (nothead[i] != 1) { |
|
1288 | if (nothead[i] != 1) { | |
1289 | isfiltered = check_filter(filter, i); |
|
1289 | isfiltered = check_filter(filter, i); | |
1290 | if (isfiltered == -1) { |
|
1290 | if (isfiltered == -1) { | |
1291 | PyErr_SetString(PyExc_TypeError, |
|
1291 | PyErr_SetString(PyExc_TypeError, | |
1292 | "unable to check filter"); |
|
1292 | "unable to check filter"); | |
1293 | goto bail; |
|
1293 | goto bail; | |
1294 | } |
|
1294 | } | |
1295 |
|
1295 | |||
1296 | if (isfiltered) { |
|
1296 | if (isfiltered) { | |
1297 | nothead[i] = 1; |
|
1297 | nothead[i] = 1; | |
1298 | continue; |
|
1298 | continue; | |
1299 | } |
|
1299 | } | |
1300 | } |
|
1300 | } | |
1301 |
|
1301 | |||
1302 | if (index_get_parents(self, i, parents, (int)len - 1) < 0) |
|
1302 | if (index_get_parents(self, i, parents, (int)len - 1) < 0) | |
1303 | goto bail; |
|
1303 | goto bail; | |
1304 | for (j = 0; j < 2; j++) { |
|
1304 | for (j = 0; j < 2; j++) { | |
1305 | if (parents[j] >= 0) |
|
1305 | if (parents[j] >= 0) | |
1306 | nothead[parents[j]] = 1; |
|
1306 | nothead[parents[j]] = 1; | |
1307 | } |
|
1307 | } | |
1308 | } |
|
1308 | } | |
1309 |
|
1309 | |||
1310 | for (i = 0; i < len; i++) { |
|
1310 | for (i = 0; i < len; i++) { | |
1311 | PyObject *head; |
|
1311 | PyObject *head; | |
1312 |
|
1312 | |||
1313 | if (nothead[i]) |
|
1313 | if (nothead[i]) | |
1314 | continue; |
|
1314 | continue; | |
1315 | head = PyLong_FromSsize_t(i); |
|
1315 | head = PyLong_FromSsize_t(i); | |
1316 | if (head == NULL || PyList_Append(heads, head) == -1) { |
|
1316 | if (head == NULL || PyList_Append(heads, head) == -1) { | |
1317 | Py_XDECREF(head); |
|
1317 | Py_XDECREF(head); | |
1318 | goto bail; |
|
1318 | goto bail; | |
1319 | } |
|
1319 | } | |
1320 | } |
|
1320 | } | |
1321 |
|
1321 | |||
1322 | done: |
|
1322 | done: | |
1323 | self->headrevs = heads; |
|
1323 | self->headrevs = heads; | |
1324 | Py_XDECREF(filter); |
|
1324 | Py_XDECREF(filter); | |
1325 | free(nothead); |
|
1325 | free(nothead); | |
1326 | return list_copy(self->headrevs); |
|
1326 | return list_copy(self->headrevs); | |
1327 | bail: |
|
1327 | bail: | |
1328 | Py_XDECREF(filter); |
|
1328 | Py_XDECREF(filter); | |
1329 | Py_XDECREF(heads); |
|
1329 | Py_XDECREF(heads); | |
1330 | free(nothead); |
|
1330 | free(nothead); | |
1331 | return NULL; |
|
1331 | return NULL; | |
1332 | } |
|
1332 | } | |
1333 |
|
1333 | |||
1334 | /** |
|
1334 | /** | |
1335 | * Obtain the base revision index entry. |
|
1335 | * Obtain the base revision index entry. | |
1336 | * |
|
1336 | * | |
1337 | * Callers must ensure that rev >= 0 or illegal memory access may occur. |
|
1337 | * Callers must ensure that rev >= 0 or illegal memory access may occur. | |
1338 | */ |
|
1338 | */ | |
1339 | static inline int index_baserev(indexObject *self, int rev) |
|
1339 | static inline int index_baserev(indexObject *self, int rev) | |
1340 | { |
|
1340 | { | |
1341 | const char *data; |
|
1341 | const char *data; | |
1342 | int result; |
|
1342 | int result; | |
1343 |
|
1343 | |||
1344 | data = index_deref(self, rev); |
|
1344 | data = index_deref(self, rev); | |
1345 | if (data == NULL) |
|
1345 | if (data == NULL) | |
1346 | return -2; |
|
1346 | return -2; | |
1347 |
|
1347 | |||
1348 | if (self->format_version == format_v1) { |
|
1348 | if (self->format_version == format_v1) { | |
1349 | result = getbe32(data + entry_v1_offset_base_rev); |
|
1349 | result = getbe32(data + entry_v1_offset_base_rev); | |
1350 | } else if (self->format_version == format_v2) { |
|
1350 | } else if (self->format_version == format_v2) { | |
1351 | result = getbe32(data + entry_v2_offset_base_rev); |
|
1351 | result = getbe32(data + entry_v2_offset_base_rev); | |
1352 | } else if (self->format_version == format_cl2) { |
|
1352 | } else if (self->format_version == format_cl2) { | |
1353 | return rev; |
|
1353 | return rev; | |
1354 | } else { |
|
1354 | } else { | |
1355 | raise_revlog_error(); |
|
1355 | raise_revlog_error(); | |
1356 | return -1; |
|
1356 | return -1; | |
1357 | } |
|
1357 | } | |
1358 |
|
1358 | |||
1359 | if (result > rev) { |
|
1359 | if (result > rev) { | |
1360 | PyErr_Format( |
|
1360 | PyErr_Format( | |
1361 | PyExc_ValueError, |
|
1361 | PyExc_ValueError, | |
1362 | "corrupted revlog, revision base above revision: %d, %d", |
|
1362 | "corrupted revlog, revision base above revision: %d, %d", | |
1363 | rev, result); |
|
1363 | rev, result); | |
1364 | return -2; |
|
1364 | return -2; | |
1365 | } |
|
1365 | } | |
1366 | if (result < -1) { |
|
1366 | if (result < -1) { | |
1367 | PyErr_Format( |
|
1367 | PyErr_Format( | |
1368 | PyExc_ValueError, |
|
1368 | PyExc_ValueError, | |
1369 | "corrupted revlog, revision base out of range: %d, %d", rev, |
|
1369 | "corrupted revlog, revision base out of range: %d, %d", rev, | |
1370 | result); |
|
1370 | result); | |
1371 | return -2; |
|
1371 | return -2; | |
1372 | } |
|
1372 | } | |
1373 | return result; |
|
1373 | return result; | |
1374 | } |
|
1374 | } | |
1375 |
|
1375 | |||
1376 | /** |
|
1376 | /** | |
1377 | * Find if a revision is a snapshot or not |
|
1377 | * Find if a revision is a snapshot or not | |
1378 | * |
|
1378 | * | |
1379 | * Only relevant for sparse-revlog case. |
|
1379 | * Only relevant for sparse-revlog case. | |
1380 | * Callers must ensure that rev is in a valid range. |
|
1380 | * Callers must ensure that rev is in a valid range. | |
1381 | */ |
|
1381 | */ | |
1382 | static int index_issnapshotrev(indexObject *self, Py_ssize_t rev) |
|
1382 | static int index_issnapshotrev(indexObject *self, Py_ssize_t rev) | |
1383 | { |
|
1383 | { | |
1384 | int ps[2]; |
|
1384 | int ps[2]; | |
1385 | Py_ssize_t base; |
|
1385 | Py_ssize_t base; | |
1386 | while (rev >= 0) { |
|
1386 | while (rev >= 0) { | |
1387 | base = (Py_ssize_t)index_baserev(self, rev); |
|
1387 | base = (Py_ssize_t)index_baserev(self, rev); | |
1388 | if (base == rev) { |
|
1388 | if (base == rev) { | |
1389 | base = -1; |
|
1389 | base = -1; | |
1390 | } |
|
1390 | } | |
1391 | if (base == -2) { |
|
1391 | if (base == -2) { | |
1392 | assert(PyErr_Occurred()); |
|
1392 | assert(PyErr_Occurred()); | |
1393 | return -1; |
|
1393 | return -1; | |
1394 | } |
|
1394 | } | |
1395 | if (base == -1) { |
|
1395 | if (base == -1) { | |
1396 | return 1; |
|
1396 | return 1; | |
1397 | } |
|
1397 | } | |
1398 | if (index_get_parents(self, rev, ps, (int)rev) < 0) { |
|
1398 | if (index_get_parents(self, rev, ps, (int)rev) < 0) { | |
1399 | assert(PyErr_Occurred()); |
|
1399 | assert(PyErr_Occurred()); | |
1400 | return -1; |
|
1400 | return -1; | |
1401 | }; |
|
1401 | }; | |
1402 | if (base == ps[0] || base == ps[1]) { |
|
1402 | if (base == ps[0] || base == ps[1]) { | |
1403 | return 0; |
|
1403 | return 0; | |
1404 | } |
|
1404 | } | |
1405 | rev = base; |
|
1405 | rev = base; | |
1406 | } |
|
1406 | } | |
1407 | return rev == -1; |
|
1407 | return rev == -1; | |
1408 | } |
|
1408 | } | |
1409 |
|
1409 | |||
1410 | static PyObject *index_issnapshot(indexObject *self, PyObject *value) |
|
1410 | static PyObject *index_issnapshot(indexObject *self, PyObject *value) | |
1411 | { |
|
1411 | { | |
1412 | long rev; |
|
1412 | long rev; | |
1413 | int issnap; |
|
1413 | int issnap; | |
1414 | Py_ssize_t length = index_length(self); |
|
1414 | Py_ssize_t length = index_length(self); | |
1415 |
|
1415 | |||
1416 | if (!pylong_to_long(value, &rev)) { |
|
1416 | if (!pylong_to_long(value, &rev)) { | |
1417 | return NULL; |
|
1417 | return NULL; | |
1418 | } |
|
1418 | } | |
1419 | if (rev < -1 || rev >= length) { |
|
1419 | if (rev < -1 || rev >= length) { | |
1420 | PyErr_Format(PyExc_ValueError, "revlog index out of range: %ld", |
|
1420 | PyErr_Format(PyExc_ValueError, "revlog index out of range: %ld", | |
1421 | rev); |
|
1421 | rev); | |
1422 | return NULL; |
|
1422 | return NULL; | |
1423 | }; |
|
1423 | }; | |
1424 | issnap = index_issnapshotrev(self, (Py_ssize_t)rev); |
|
1424 | issnap = index_issnapshotrev(self, (Py_ssize_t)rev); | |
1425 | if (issnap < 0) { |
|
1425 | if (issnap < 0) { | |
1426 | return NULL; |
|
1426 | return NULL; | |
1427 | }; |
|
1427 | }; | |
1428 | return PyBool_FromLong((long)issnap); |
|
1428 | return PyBool_FromLong((long)issnap); | |
1429 | } |
|
1429 | } | |
1430 |
|
1430 | |||
1431 | static PyObject *index_findsnapshots(indexObject *self, PyObject *args) |
|
1431 | static PyObject *index_findsnapshots(indexObject *self, PyObject *args) | |
1432 | { |
|
1432 | { | |
1433 | Py_ssize_t start_rev; |
|
1433 | Py_ssize_t start_rev; | |
1434 | PyObject *cache; |
|
1434 | PyObject *cache; | |
1435 | Py_ssize_t base; |
|
1435 | Py_ssize_t base; | |
1436 | Py_ssize_t rev; |
|
1436 | Py_ssize_t rev; | |
1437 | PyObject *key = NULL; |
|
1437 | PyObject *key = NULL; | |
1438 | PyObject *value = NULL; |
|
1438 | PyObject *value = NULL; | |
1439 | const Py_ssize_t length = index_length(self); |
|
1439 | const Py_ssize_t length = index_length(self); | |
1440 | if (!PyArg_ParseTuple(args, "O!n", &PyDict_Type, &cache, &start_rev)) { |
|
1440 | if (!PyArg_ParseTuple(args, "O!n", &PyDict_Type, &cache, &start_rev)) { | |
1441 | return NULL; |
|
1441 | return NULL; | |
1442 | } |
|
1442 | } | |
1443 | for (rev = start_rev; rev < length; rev++) { |
|
1443 | for (rev = start_rev; rev < length; rev++) { | |
1444 | int issnap; |
|
1444 | int issnap; | |
1445 | PyObject *allvalues = NULL; |
|
1445 | PyObject *allvalues = NULL; | |
1446 | issnap = index_issnapshotrev(self, rev); |
|
1446 | issnap = index_issnapshotrev(self, rev); | |
1447 | if (issnap < 0) { |
|
1447 | if (issnap < 0) { | |
1448 | goto bail; |
|
1448 | goto bail; | |
1449 | } |
|
1449 | } | |
1450 | if (issnap == 0) { |
|
1450 | if (issnap == 0) { | |
1451 | continue; |
|
1451 | continue; | |
1452 | } |
|
1452 | } | |
1453 | base = (Py_ssize_t)index_baserev(self, rev); |
|
1453 | base = (Py_ssize_t)index_baserev(self, rev); | |
1454 | if (base == rev) { |
|
1454 | if (base == rev) { | |
1455 | base = -1; |
|
1455 | base = -1; | |
1456 | } |
|
1456 | } | |
1457 | if (base == -2) { |
|
1457 | if (base == -2) { | |
1458 | assert(PyErr_Occurred()); |
|
1458 | assert(PyErr_Occurred()); | |
1459 | goto bail; |
|
1459 | goto bail; | |
1460 | } |
|
1460 | } | |
1461 | key = PyLong_FromSsize_t(base); |
|
1461 | key = PyLong_FromSsize_t(base); | |
1462 | allvalues = PyDict_GetItem(cache, key); |
|
1462 | allvalues = PyDict_GetItem(cache, key); | |
1463 | if (allvalues == NULL && PyErr_Occurred()) { |
|
1463 | if (allvalues == NULL && PyErr_Occurred()) { | |
1464 | goto bail; |
|
1464 | goto bail; | |
1465 | } |
|
1465 | } | |
1466 | if (allvalues == NULL) { |
|
1466 | if (allvalues == NULL) { | |
1467 | int r; |
|
1467 | int r; | |
1468 | allvalues = PyList_New(0); |
|
1468 | allvalues = PyList_New(0); | |
1469 | if (!allvalues) { |
|
1469 | if (!allvalues) { | |
1470 | goto bail; |
|
1470 | goto bail; | |
1471 | } |
|
1471 | } | |
1472 | r = PyDict_SetItem(cache, key, allvalues); |
|
1472 | r = PyDict_SetItem(cache, key, allvalues); | |
1473 | Py_DECREF(allvalues); |
|
1473 | Py_DECREF(allvalues); | |
1474 | if (r < 0) { |
|
1474 | if (r < 0) { | |
1475 | goto bail; |
|
1475 | goto bail; | |
1476 | } |
|
1476 | } | |
1477 | } |
|
1477 | } | |
1478 | value = PyLong_FromSsize_t(rev); |
|
1478 | value = PyLong_FromSsize_t(rev); | |
1479 | if (PyList_Append(allvalues, value)) { |
|
1479 | if (PyList_Append(allvalues, value)) { | |
1480 | goto bail; |
|
1480 | goto bail; | |
1481 | } |
|
1481 | } | |
1482 | Py_CLEAR(key); |
|
1482 | Py_CLEAR(key); | |
1483 | Py_CLEAR(value); |
|
1483 | Py_CLEAR(value); | |
1484 | } |
|
1484 | } | |
1485 | Py_RETURN_NONE; |
|
1485 | Py_RETURN_NONE; | |
1486 | bail: |
|
1486 | bail: | |
1487 | Py_XDECREF(key); |
|
1487 | Py_XDECREF(key); | |
1488 | Py_XDECREF(value); |
|
1488 | Py_XDECREF(value); | |
1489 | return NULL; |
|
1489 | return NULL; | |
1490 | } |
|
1490 | } | |
1491 |
|
1491 | |||
1492 | static PyObject *index_deltachain(indexObject *self, PyObject *args) |
|
1492 | static PyObject *index_deltachain(indexObject *self, PyObject *args) | |
1493 | { |
|
1493 | { | |
1494 | int rev, generaldelta; |
|
1494 | int rev, generaldelta; | |
1495 | PyObject *stoparg; |
|
1495 | PyObject *stoparg; | |
1496 | int stoprev, iterrev, baserev = -1; |
|
1496 | int stoprev, iterrev, baserev = -1; | |
1497 | int stopped; |
|
1497 | int stopped; | |
1498 | PyObject *chain = NULL, *result = NULL; |
|
1498 | PyObject *chain = NULL, *result = NULL; | |
1499 | const Py_ssize_t length = index_length(self); |
|
1499 | const Py_ssize_t length = index_length(self); | |
1500 |
|
1500 | |||
1501 | if (!PyArg_ParseTuple(args, "iOi", &rev, &stoparg, &generaldelta)) { |
|
1501 | if (!PyArg_ParseTuple(args, "iOi", &rev, &stoparg, &generaldelta)) { | |
1502 | return NULL; |
|
1502 | return NULL; | |
1503 | } |
|
1503 | } | |
1504 |
|
1504 | |||
1505 | if (PyLong_Check(stoparg)) { |
|
1505 | if (PyLong_Check(stoparg)) { | |
1506 | stoprev = (int)PyLong_AsLong(stoparg); |
|
1506 | stoprev = (int)PyLong_AsLong(stoparg); | |
1507 | if (stoprev == -1 && PyErr_Occurred()) { |
|
1507 | if (stoprev == -1 && PyErr_Occurred()) { | |
1508 | return NULL; |
|
1508 | return NULL; | |
1509 | } |
|
1509 | } | |
1510 | } else if (stoparg == Py_None) { |
|
1510 | } else if (stoparg == Py_None) { | |
1511 | stoprev = -2; |
|
1511 | stoprev = -2; | |
1512 | } else { |
|
1512 | } else { | |
1513 | PyErr_SetString(PyExc_ValueError, |
|
1513 | PyErr_SetString(PyExc_ValueError, | |
1514 | "stoprev must be integer or None"); |
|
1514 | "stoprev must be integer or None"); | |
1515 | return NULL; |
|
1515 | return NULL; | |
1516 | } |
|
1516 | } | |
1517 |
|
1517 | |||
1518 | if (rev < 0 || rev >= length) { |
|
1518 | if (rev < 0 || rev >= length) { | |
1519 | PyErr_SetString(PyExc_ValueError, "revlog index out of range"); |
|
1519 | PyErr_SetString(PyExc_ValueError, "revlog index out of range"); | |
1520 | return NULL; |
|
1520 | return NULL; | |
1521 | } |
|
1521 | } | |
1522 |
|
1522 | |||
1523 | chain = PyList_New(0); |
|
1523 | chain = PyList_New(0); | |
1524 | if (chain == NULL) { |
|
1524 | if (chain == NULL) { | |
1525 | return NULL; |
|
1525 | return NULL; | |
1526 | } |
|
1526 | } | |
1527 |
|
1527 | |||
1528 | baserev = index_baserev(self, rev); |
|
1528 | baserev = index_baserev(self, rev); | |
1529 |
|
1529 | |||
1530 | /* This should never happen. */ |
|
1530 | /* This should never happen. */ | |
1531 | if (baserev <= -2) { |
|
1531 | if (baserev <= -2) { | |
1532 | /* Error should be set by index_deref() */ |
|
1532 | /* Error should be set by index_deref() */ | |
1533 | assert(PyErr_Occurred()); |
|
1533 | assert(PyErr_Occurred()); | |
1534 | goto bail; |
|
1534 | goto bail; | |
1535 | } |
|
1535 | } | |
1536 |
|
1536 | |||
1537 | iterrev = rev; |
|
1537 | iterrev = rev; | |
1538 |
|
1538 | |||
1539 | while (iterrev != baserev && iterrev != stoprev) { |
|
1539 | while (iterrev != baserev && iterrev != stoprev) { | |
1540 | PyObject *value = PyLong_FromLong(iterrev); |
|
1540 | PyObject *value = PyLong_FromLong(iterrev); | |
1541 | if (value == NULL) { |
|
1541 | if (value == NULL) { | |
1542 | goto bail; |
|
1542 | goto bail; | |
1543 | } |
|
1543 | } | |
1544 | if (PyList_Append(chain, value)) { |
|
1544 | if (PyList_Append(chain, value)) { | |
1545 | Py_DECREF(value); |
|
1545 | Py_DECREF(value); | |
1546 | goto bail; |
|
1546 | goto bail; | |
1547 | } |
|
1547 | } | |
1548 | Py_DECREF(value); |
|
1548 | Py_DECREF(value); | |
1549 |
|
1549 | |||
1550 | if (generaldelta) { |
|
1550 | if (generaldelta) { | |
1551 | iterrev = baserev; |
|
1551 | iterrev = baserev; | |
1552 | } else { |
|
1552 | } else { | |
1553 | iterrev--; |
|
1553 | iterrev--; | |
1554 | } |
|
1554 | } | |
1555 |
|
1555 | |||
1556 | if (iterrev < 0) { |
|
1556 | if (iterrev < 0) { | |
1557 | break; |
|
1557 | break; | |
1558 | } |
|
1558 | } | |
1559 |
|
1559 | |||
1560 | if (iterrev >= length) { |
|
1560 | if (iterrev >= length) { | |
1561 | PyErr_SetString(PyExc_IndexError, |
|
1561 | PyErr_SetString(PyExc_IndexError, | |
1562 | "revision outside index"); |
|
1562 | "revision outside index"); | |
1563 | return NULL; |
|
1563 | return NULL; | |
1564 | } |
|
1564 | } | |
1565 |
|
1565 | |||
1566 | baserev = index_baserev(self, iterrev); |
|
1566 | baserev = index_baserev(self, iterrev); | |
1567 |
|
1567 | |||
1568 | /* This should never happen. */ |
|
1568 | /* This should never happen. */ | |
1569 | if (baserev <= -2) { |
|
1569 | if (baserev <= -2) { | |
1570 | /* Error should be set by index_deref() */ |
|
1570 | /* Error should be set by index_deref() */ | |
1571 | assert(PyErr_Occurred()); |
|
1571 | assert(PyErr_Occurred()); | |
1572 | goto bail; |
|
1572 | goto bail; | |
1573 | } |
|
1573 | } | |
1574 | } |
|
1574 | } | |
1575 |
|
1575 | |||
1576 | if (iterrev == stoprev) { |
|
1576 | if (iterrev == stoprev) { | |
1577 | stopped = 1; |
|
1577 | stopped = 1; | |
1578 | } else { |
|
1578 | } else { | |
1579 | PyObject *value = PyLong_FromLong(iterrev); |
|
1579 | PyObject *value = PyLong_FromLong(iterrev); | |
1580 | if (value == NULL) { |
|
1580 | if (value == NULL) { | |
1581 | goto bail; |
|
1581 | goto bail; | |
1582 | } |
|
1582 | } | |
1583 | if (PyList_Append(chain, value)) { |
|
1583 | if (PyList_Append(chain, value)) { | |
1584 | Py_DECREF(value); |
|
1584 | Py_DECREF(value); | |
1585 | goto bail; |
|
1585 | goto bail; | |
1586 | } |
|
1586 | } | |
1587 | Py_DECREF(value); |
|
1587 | Py_DECREF(value); | |
1588 |
|
1588 | |||
1589 | stopped = 0; |
|
1589 | stopped = 0; | |
1590 | } |
|
1590 | } | |
1591 |
|
1591 | |||
1592 | if (PyList_Reverse(chain)) { |
|
1592 | if (PyList_Reverse(chain)) { | |
1593 | goto bail; |
|
1593 | goto bail; | |
1594 | } |
|
1594 | } | |
1595 |
|
1595 | |||
1596 | result = Py_BuildValue("OO", chain, stopped ? Py_True : Py_False); |
|
1596 | result = Py_BuildValue("OO", chain, stopped ? Py_True : Py_False); | |
1597 | Py_DECREF(chain); |
|
1597 | Py_DECREF(chain); | |
1598 | return result; |
|
1598 | return result; | |
1599 |
|
1599 | |||
1600 | bail: |
|
1600 | bail: | |
1601 | Py_DECREF(chain); |
|
1601 | Py_DECREF(chain); | |
1602 | return NULL; |
|
1602 | return NULL; | |
1603 | } |
|
1603 | } | |
1604 |
|
1604 | |||
1605 | static inline int64_t |
|
1605 | static inline int64_t | |
1606 | index_segment_span(indexObject *self, Py_ssize_t start_rev, Py_ssize_t end_rev) |
|
1606 | index_segment_span(indexObject *self, Py_ssize_t start_rev, Py_ssize_t end_rev) | |
1607 | { |
|
1607 | { | |
1608 | int64_t start_offset; |
|
1608 | int64_t start_offset; | |
1609 | int64_t end_offset; |
|
1609 | int64_t end_offset; | |
1610 | int end_size; |
|
1610 | int end_size; | |
1611 | start_offset = index_get_start(self, start_rev); |
|
1611 | start_offset = index_get_start(self, start_rev); | |
1612 | if (start_offset < 0) { |
|
1612 | if (start_offset < 0) { | |
1613 | return -1; |
|
1613 | return -1; | |
1614 | } |
|
1614 | } | |
1615 | end_offset = index_get_start(self, end_rev); |
|
1615 | end_offset = index_get_start(self, end_rev); | |
1616 | if (end_offset < 0) { |
|
1616 | if (end_offset < 0) { | |
1617 | return -1; |
|
1617 | return -1; | |
1618 | } |
|
1618 | } | |
1619 | end_size = index_get_length(self, end_rev); |
|
1619 | end_size = index_get_length(self, end_rev); | |
1620 | if (end_size < 0) { |
|
1620 | if (end_size < 0) { | |
1621 | return -1; |
|
1621 | return -1; | |
1622 | } |
|
1622 | } | |
1623 | if (end_offset < start_offset) { |
|
1623 | if (end_offset < start_offset) { | |
1624 | PyErr_Format(PyExc_ValueError, |
|
1624 | PyErr_Format(PyExc_ValueError, | |
1625 | "corrupted revlog index: inconsistent offset " |
|
1625 | "corrupted revlog index: inconsistent offset " | |
1626 | "between revisions (%zd) and (%zd)", |
|
1626 | "between revisions (%zd) and (%zd)", | |
1627 | start_rev, end_rev); |
|
1627 | start_rev, end_rev); | |
1628 | return -1; |
|
1628 | return -1; | |
1629 | } |
|
1629 | } | |
1630 | return (end_offset - start_offset) + (int64_t)end_size; |
|
1630 | return (end_offset - start_offset) + (int64_t)end_size; | |
1631 | } |
|
1631 | } | |
1632 |
|
1632 | |||
1633 | /* returns endidx so that revs[startidx:endidx] has no empty trailing revs */ |
|
1633 | /* returns endidx so that revs[startidx:endidx] has no empty trailing revs */ | |
1634 | static Py_ssize_t trim_endidx(indexObject *self, const Py_ssize_t *revs, |
|
1634 | static Py_ssize_t trim_endidx(indexObject *self, const Py_ssize_t *revs, | |
1635 | Py_ssize_t startidx, Py_ssize_t endidx) |
|
1635 | Py_ssize_t startidx, Py_ssize_t endidx) | |
1636 | { |
|
1636 | { | |
1637 | int length; |
|
1637 | int length; | |
1638 | while (endidx > 1 && endidx > startidx) { |
|
1638 | while (endidx > 1 && endidx > startidx) { | |
1639 | length = index_get_length(self, revs[endidx - 1]); |
|
1639 | length = index_get_length(self, revs[endidx - 1]); | |
1640 | if (length < 0) { |
|
1640 | if (length < 0) { | |
1641 | return -1; |
|
1641 | return -1; | |
1642 | } |
|
1642 | } | |
1643 | if (length != 0) { |
|
1643 | if (length != 0) { | |
1644 | break; |
|
1644 | break; | |
1645 | } |
|
1645 | } | |
1646 | endidx -= 1; |
|
1646 | endidx -= 1; | |
1647 | } |
|
1647 | } | |
1648 | return endidx; |
|
1648 | return endidx; | |
1649 | } |
|
1649 | } | |
1650 |
|
1650 | |||
1651 | struct Gap { |
|
1651 | struct Gap { | |
1652 | int64_t size; |
|
1652 | int64_t size; | |
1653 | Py_ssize_t idx; |
|
1653 | Py_ssize_t idx; | |
1654 | }; |
|
1654 | }; | |
1655 |
|
1655 | |||
1656 | static int gap_compare(const void *left, const void *right) |
|
1656 | static int gap_compare(const void *left, const void *right) | |
1657 | { |
|
1657 | { | |
1658 | const struct Gap *l_left = ((const struct Gap *)left); |
|
1658 | const struct Gap *l_left = ((const struct Gap *)left); | |
1659 | const struct Gap *l_right = ((const struct Gap *)right); |
|
1659 | const struct Gap *l_right = ((const struct Gap *)right); | |
1660 | if (l_left->size < l_right->size) { |
|
1660 | if (l_left->size < l_right->size) { | |
1661 | return -1; |
|
1661 | return -1; | |
1662 | } else if (l_left->size > l_right->size) { |
|
1662 | } else if (l_left->size > l_right->size) { | |
1663 | return 1; |
|
1663 | return 1; | |
1664 | } |
|
1664 | } | |
1665 | return 0; |
|
1665 | return 0; | |
1666 | } |
|
1666 | } | |
1667 | static int Py_ssize_t_compare(const void *left, const void *right) |
|
1667 | static int Py_ssize_t_compare(const void *left, const void *right) | |
1668 | { |
|
1668 | { | |
1669 | const Py_ssize_t l_left = *(const Py_ssize_t *)left; |
|
1669 | const Py_ssize_t l_left = *(const Py_ssize_t *)left; | |
1670 | const Py_ssize_t l_right = *(const Py_ssize_t *)right; |
|
1670 | const Py_ssize_t l_right = *(const Py_ssize_t *)right; | |
1671 | if (l_left < l_right) { |
|
1671 | if (l_left < l_right) { | |
1672 | return -1; |
|
1672 | return -1; | |
1673 | } else if (l_left > l_right) { |
|
1673 | } else if (l_left > l_right) { | |
1674 | return 1; |
|
1674 | return 1; | |
1675 | } |
|
1675 | } | |
1676 | return 0; |
|
1676 | return 0; | |
1677 | } |
|
1677 | } | |
1678 |
|
1678 | |||
1679 | static PyObject *index_slicechunktodensity(indexObject *self, PyObject *args) |
|
1679 | static PyObject *index_slicechunktodensity(indexObject *self, PyObject *args) | |
1680 | { |
|
1680 | { | |
1681 | /* method arguments */ |
|
1681 | /* method arguments */ | |
1682 | PyObject *list_revs = NULL; /* revisions in the chain */ |
|
1682 | PyObject *list_revs = NULL; /* revisions in the chain */ | |
1683 | double targetdensity = 0; /* min density to achieve */ |
|
1683 | double targetdensity = 0; /* min density to achieve */ | |
1684 | Py_ssize_t mingapsize = 0; /* threshold to ignore gaps */ |
|
1684 | Py_ssize_t mingapsize = 0; /* threshold to ignore gaps */ | |
1685 |
|
1685 | |||
1686 | /* other core variables */ |
|
1686 | /* other core variables */ | |
1687 | Py_ssize_t idxlen = index_length(self); |
|
1687 | Py_ssize_t idxlen = index_length(self); | |
1688 | Py_ssize_t i; /* used for various iteration */ |
|
1688 | Py_ssize_t i; /* used for various iteration */ | |
1689 | PyObject *result = NULL; /* the final return of the function */ |
|
1689 | PyObject *result = NULL; /* the final return of the function */ | |
1690 |
|
1690 | |||
1691 | /* generic information about the delta chain being slice */ |
|
1691 | /* generic information about the delta chain being slice */ | |
1692 | Py_ssize_t num_revs = 0; /* size of the full delta chain */ |
|
1692 | Py_ssize_t num_revs = 0; /* size of the full delta chain */ | |
1693 | Py_ssize_t *revs = NULL; /* native array of revision in the chain */ |
|
1693 | Py_ssize_t *revs = NULL; /* native array of revision in the chain */ | |
1694 | int64_t chainpayload = 0; /* sum of all delta in the chain */ |
|
1694 | int64_t chainpayload = 0; /* sum of all delta in the chain */ | |
1695 | int64_t deltachainspan = 0; /* distance from first byte to last byte */ |
|
1695 | int64_t deltachainspan = 0; /* distance from first byte to last byte */ | |
1696 |
|
1696 | |||
1697 | /* variable used for slicing the delta chain */ |
|
1697 | /* variable used for slicing the delta chain */ | |
1698 | int64_t readdata = 0; /* amount of data currently planned to be read */ |
|
1698 | int64_t readdata = 0; /* amount of data currently planned to be read */ | |
1699 | double density = 0; /* ration of payload data compared to read ones */ |
|
1699 | double density = 0; /* ration of payload data compared to read ones */ | |
1700 | int64_t previous_end; |
|
1700 | int64_t previous_end; | |
1701 | struct Gap *gaps = NULL; /* array of notable gap in the chain */ |
|
1701 | struct Gap *gaps = NULL; /* array of notable gap in the chain */ | |
1702 | Py_ssize_t num_gaps = |
|
1702 | Py_ssize_t num_gaps = | |
1703 | 0; /* total number of notable gap recorded so far */ |
|
1703 | 0; /* total number of notable gap recorded so far */ | |
1704 | Py_ssize_t *selected_indices = NULL; /* indices of gap skipped over */ |
|
1704 | Py_ssize_t *selected_indices = NULL; /* indices of gap skipped over */ | |
1705 | Py_ssize_t num_selected = 0; /* number of gaps skipped */ |
|
1705 | Py_ssize_t num_selected = 0; /* number of gaps skipped */ | |
1706 | PyObject *chunk = NULL; /* individual slice */ |
|
1706 | PyObject *chunk = NULL; /* individual slice */ | |
1707 | PyObject *allchunks = NULL; /* all slices */ |
|
1707 | PyObject *allchunks = NULL; /* all slices */ | |
1708 | Py_ssize_t previdx; |
|
1708 | Py_ssize_t previdx; | |
1709 |
|
1709 | |||
1710 | /* parsing argument */ |
|
1710 | /* parsing argument */ | |
1711 | if (!PyArg_ParseTuple(args, "O!dn", &PyList_Type, &list_revs, |
|
1711 | if (!PyArg_ParseTuple(args, "O!dn", &PyList_Type, &list_revs, | |
1712 | &targetdensity, &mingapsize)) { |
|
1712 | &targetdensity, &mingapsize)) { | |
1713 | goto bail; |
|
1713 | goto bail; | |
1714 | } |
|
1714 | } | |
1715 |
|
1715 | |||
1716 | /* If the delta chain contains a single element, we do not need slicing |
|
1716 | /* If the delta chain contains a single element, we do not need slicing | |
1717 | */ |
|
1717 | */ | |
1718 | num_revs = PyList_GET_SIZE(list_revs); |
|
1718 | num_revs = PyList_GET_SIZE(list_revs); | |
1719 | if (num_revs <= 1) { |
|
1719 | if (num_revs <= 1) { | |
1720 | result = PyTuple_Pack(1, list_revs); |
|
1720 | result = PyTuple_Pack(1, list_revs); | |
1721 | goto done; |
|
1721 | goto done; | |
1722 | } |
|
1722 | } | |
1723 |
|
1723 | |||
1724 | /* Turn the python list into a native integer array (for efficiency) */ |
|
1724 | /* Turn the python list into a native integer array (for efficiency) */ | |
1725 | revs = (Py_ssize_t *)calloc(num_revs, sizeof(Py_ssize_t)); |
|
1725 | revs = (Py_ssize_t *)calloc(num_revs, sizeof(Py_ssize_t)); | |
1726 | if (revs == NULL) { |
|
1726 | if (revs == NULL) { | |
1727 | PyErr_NoMemory(); |
|
1727 | PyErr_NoMemory(); | |
1728 | goto bail; |
|
1728 | goto bail; | |
1729 | } |
|
1729 | } | |
1730 | for (i = 0; i < num_revs; i++) { |
|
1730 | for (i = 0; i < num_revs; i++) { | |
1731 | Py_ssize_t revnum = |
|
1731 | Py_ssize_t revnum = | |
1732 | PyLong_AsLong(PyList_GET_ITEM(list_revs, i)); |
|
1732 | PyLong_AsLong(PyList_GET_ITEM(list_revs, i)); | |
1733 | if (revnum == -1 && PyErr_Occurred()) { |
|
1733 | if (revnum == -1 && PyErr_Occurred()) { | |
1734 | goto bail; |
|
1734 | goto bail; | |
1735 | } |
|
1735 | } | |
1736 | if (revnum < nullrev || revnum >= idxlen) { |
|
1736 | if (revnum < nullrev || revnum >= idxlen) { | |
1737 | PyErr_Format(PyExc_IndexError, |
|
1737 | PyErr_Format(PyExc_IndexError, | |
1738 | "index out of range: %zd", revnum); |
|
1738 | "index out of range: %zd", revnum); | |
1739 | goto bail; |
|
1739 | goto bail; | |
1740 | } |
|
1740 | } | |
1741 | revs[i] = revnum; |
|
1741 | revs[i] = revnum; | |
1742 | } |
|
1742 | } | |
1743 |
|
1743 | |||
1744 | /* Compute and check various property of the unsliced delta chain */ |
|
1744 | /* Compute and check various property of the unsliced delta chain */ | |
1745 | deltachainspan = index_segment_span(self, revs[0], revs[num_revs - 1]); |
|
1745 | deltachainspan = index_segment_span(self, revs[0], revs[num_revs - 1]); | |
1746 | if (deltachainspan < 0) { |
|
1746 | if (deltachainspan < 0) { | |
1747 | goto bail; |
|
1747 | goto bail; | |
1748 | } |
|
1748 | } | |
1749 |
|
1749 | |||
1750 | if (deltachainspan <= mingapsize) { |
|
1750 | if (deltachainspan <= mingapsize) { | |
1751 | result = PyTuple_Pack(1, list_revs); |
|
1751 | result = PyTuple_Pack(1, list_revs); | |
1752 | goto done; |
|
1752 | goto done; | |
1753 | } |
|
1753 | } | |
1754 | chainpayload = 0; |
|
1754 | chainpayload = 0; | |
1755 | for (i = 0; i < num_revs; i++) { |
|
1755 | for (i = 0; i < num_revs; i++) { | |
1756 | int tmp = index_get_length(self, revs[i]); |
|
1756 | int tmp = index_get_length(self, revs[i]); | |
1757 | if (tmp < 0) { |
|
1757 | if (tmp < 0) { | |
1758 | goto bail; |
|
1758 | goto bail; | |
1759 | } |
|
1759 | } | |
1760 | chainpayload += tmp; |
|
1760 | chainpayload += tmp; | |
1761 | } |
|
1761 | } | |
1762 |
|
1762 | |||
1763 | readdata = deltachainspan; |
|
1763 | readdata = deltachainspan; | |
1764 | density = 1.0; |
|
1764 | density = 1.0; | |
1765 |
|
1765 | |||
1766 | if (0 < deltachainspan) { |
|
1766 | if (0 < deltachainspan) { | |
1767 | density = (double)chainpayload / (double)deltachainspan; |
|
1767 | density = (double)chainpayload / (double)deltachainspan; | |
1768 | } |
|
1768 | } | |
1769 |
|
1769 | |||
1770 | if (density >= targetdensity) { |
|
1770 | if (density >= targetdensity) { | |
1771 | result = PyTuple_Pack(1, list_revs); |
|
1771 | result = PyTuple_Pack(1, list_revs); | |
1772 | goto done; |
|
1772 | goto done; | |
1773 | } |
|
1773 | } | |
1774 |
|
1774 | |||
1775 | /* if chain is too sparse, look for relevant gaps */ |
|
1775 | /* if chain is too sparse, look for relevant gaps */ | |
1776 | gaps = (struct Gap *)calloc(num_revs, sizeof(struct Gap)); |
|
1776 | gaps = (struct Gap *)calloc(num_revs, sizeof(struct Gap)); | |
1777 | if (gaps == NULL) { |
|
1777 | if (gaps == NULL) { | |
1778 | PyErr_NoMemory(); |
|
1778 | PyErr_NoMemory(); | |
1779 | goto bail; |
|
1779 | goto bail; | |
1780 | } |
|
1780 | } | |
1781 |
|
1781 | |||
1782 | previous_end = -1; |
|
1782 | previous_end = -1; | |
1783 | for (i = 0; i < num_revs; i++) { |
|
1783 | for (i = 0; i < num_revs; i++) { | |
1784 | int64_t revstart; |
|
1784 | int64_t revstart; | |
1785 | int revsize; |
|
1785 | int revsize; | |
1786 | revstart = index_get_start(self, revs[i]); |
|
1786 | revstart = index_get_start(self, revs[i]); | |
1787 | if (revstart < 0) { |
|
1787 | if (revstart < 0) { | |
1788 | goto bail; |
|
1788 | goto bail; | |
1789 | }; |
|
1789 | }; | |
1790 | revsize = index_get_length(self, revs[i]); |
|
1790 | revsize = index_get_length(self, revs[i]); | |
1791 | if (revsize < 0) { |
|
1791 | if (revsize < 0) { | |
1792 | goto bail; |
|
1792 | goto bail; | |
1793 | }; |
|
1793 | }; | |
1794 | if (revsize == 0) { |
|
1794 | if (revsize == 0) { | |
1795 | continue; |
|
1795 | continue; | |
1796 | } |
|
1796 | } | |
1797 | if (previous_end >= 0) { |
|
1797 | if (previous_end >= 0) { | |
1798 | int64_t gapsize = revstart - previous_end; |
|
1798 | int64_t gapsize = revstart - previous_end; | |
1799 | if (gapsize > mingapsize) { |
|
1799 | if (gapsize > mingapsize) { | |
1800 | gaps[num_gaps].size = gapsize; |
|
1800 | gaps[num_gaps].size = gapsize; | |
1801 | gaps[num_gaps].idx = i; |
|
1801 | gaps[num_gaps].idx = i; | |
1802 | num_gaps += 1; |
|
1802 | num_gaps += 1; | |
1803 | } |
|
1803 | } | |
1804 | } |
|
1804 | } | |
1805 | previous_end = revstart + revsize; |
|
1805 | previous_end = revstart + revsize; | |
1806 | } |
|
1806 | } | |
1807 | if (num_gaps == 0) { |
|
1807 | if (num_gaps == 0) { | |
1808 | result = PyTuple_Pack(1, list_revs); |
|
1808 | result = PyTuple_Pack(1, list_revs); | |
1809 | goto done; |
|
1809 | goto done; | |
1810 | } |
|
1810 | } | |
1811 | qsort(gaps, num_gaps, sizeof(struct Gap), &gap_compare); |
|
1811 | qsort(gaps, num_gaps, sizeof(struct Gap), &gap_compare); | |
1812 |
|
1812 | |||
1813 | /* Slice the largest gap first, they improve the density the most */ |
|
1813 | /* Slice the largest gap first, they improve the density the most */ | |
1814 | selected_indices = |
|
1814 | selected_indices = | |
1815 | (Py_ssize_t *)malloc((num_gaps + 1) * sizeof(Py_ssize_t)); |
|
1815 | (Py_ssize_t *)malloc((num_gaps + 1) * sizeof(Py_ssize_t)); | |
1816 | if (selected_indices == NULL) { |
|
1816 | if (selected_indices == NULL) { | |
1817 | PyErr_NoMemory(); |
|
1817 | PyErr_NoMemory(); | |
1818 | goto bail; |
|
1818 | goto bail; | |
1819 | } |
|
1819 | } | |
1820 |
|
1820 | |||
1821 | for (i = num_gaps - 1; i >= 0; i--) { |
|
1821 | for (i = num_gaps - 1; i >= 0; i--) { | |
1822 | selected_indices[num_selected] = gaps[i].idx; |
|
1822 | selected_indices[num_selected] = gaps[i].idx; | |
1823 | readdata -= gaps[i].size; |
|
1823 | readdata -= gaps[i].size; | |
1824 | num_selected += 1; |
|
1824 | num_selected += 1; | |
1825 | if (readdata <= 0) { |
|
1825 | if (readdata <= 0) { | |
1826 | density = 1.0; |
|
1826 | density = 1.0; | |
1827 | } else { |
|
1827 | } else { | |
1828 | density = (double)chainpayload / (double)readdata; |
|
1828 | density = (double)chainpayload / (double)readdata; | |
1829 | } |
|
1829 | } | |
1830 | if (density >= targetdensity) { |
|
1830 | if (density >= targetdensity) { | |
1831 | break; |
|
1831 | break; | |
1832 | } |
|
1832 | } | |
1833 | } |
|
1833 | } | |
1834 | qsort(selected_indices, num_selected, sizeof(Py_ssize_t), |
|
1834 | qsort(selected_indices, num_selected, sizeof(Py_ssize_t), | |
1835 | &Py_ssize_t_compare); |
|
1835 | &Py_ssize_t_compare); | |
1836 |
|
1836 | |||
1837 | /* create the resulting slice */ |
|
1837 | /* create the resulting slice */ | |
1838 | allchunks = PyList_New(0); |
|
1838 | allchunks = PyList_New(0); | |
1839 | if (allchunks == NULL) { |
|
1839 | if (allchunks == NULL) { | |
1840 | goto bail; |
|
1840 | goto bail; | |
1841 | } |
|
1841 | } | |
1842 | previdx = 0; |
|
1842 | previdx = 0; | |
1843 | selected_indices[num_selected] = num_revs; |
|
1843 | selected_indices[num_selected] = num_revs; | |
1844 | for (i = 0; i <= num_selected; i++) { |
|
1844 | for (i = 0; i <= num_selected; i++) { | |
1845 | Py_ssize_t idx = selected_indices[i]; |
|
1845 | Py_ssize_t idx = selected_indices[i]; | |
1846 | Py_ssize_t endidx = trim_endidx(self, revs, previdx, idx); |
|
1846 | Py_ssize_t endidx = trim_endidx(self, revs, previdx, idx); | |
1847 | if (endidx < 0) { |
|
1847 | if (endidx < 0) { | |
1848 | goto bail; |
|
1848 | goto bail; | |
1849 | } |
|
1849 | } | |
1850 | if (previdx < endidx) { |
|
1850 | if (previdx < endidx) { | |
1851 | chunk = PyList_GetSlice(list_revs, previdx, endidx); |
|
1851 | chunk = PyList_GetSlice(list_revs, previdx, endidx); | |
1852 | if (chunk == NULL) { |
|
1852 | if (chunk == NULL) { | |
1853 | goto bail; |
|
1853 | goto bail; | |
1854 | } |
|
1854 | } | |
1855 | if (PyList_Append(allchunks, chunk) == -1) { |
|
1855 | if (PyList_Append(allchunks, chunk) == -1) { | |
1856 | goto bail; |
|
1856 | goto bail; | |
1857 | } |
|
1857 | } | |
1858 | Py_DECREF(chunk); |
|
1858 | Py_DECREF(chunk); | |
1859 | chunk = NULL; |
|
1859 | chunk = NULL; | |
1860 | } |
|
1860 | } | |
1861 | previdx = idx; |
|
1861 | previdx = idx; | |
1862 | } |
|
1862 | } | |
1863 | result = allchunks; |
|
1863 | result = allchunks; | |
1864 | goto done; |
|
1864 | goto done; | |
1865 |
|
1865 | |||
1866 | bail: |
|
1866 | bail: | |
1867 | Py_XDECREF(allchunks); |
|
1867 | Py_XDECREF(allchunks); | |
1868 | Py_XDECREF(chunk); |
|
1868 | Py_XDECREF(chunk); | |
1869 | done: |
|
1869 | done: | |
1870 | free(revs); |
|
1870 | free(revs); | |
1871 | free(gaps); |
|
1871 | free(gaps); | |
1872 | free(selected_indices); |
|
1872 | free(selected_indices); | |
1873 | return result; |
|
1873 | return result; | |
1874 | } |
|
1874 | } | |
1875 |
|
1875 | |||
1876 | static inline int nt_level(const char *node, Py_ssize_t level) |
|
1876 | static inline int nt_level(const char *node, Py_ssize_t level) | |
1877 | { |
|
1877 | { | |
1878 | int v = node[level >> 1]; |
|
1878 | int v = node[level >> 1]; | |
1879 | if (!(level & 1)) |
|
1879 | if (!(level & 1)) | |
1880 | v >>= 4; |
|
1880 | v >>= 4; | |
1881 | return v & 0xf; |
|
1881 | return v & 0xf; | |
1882 | } |
|
1882 | } | |
1883 |
|
1883 | |||
1884 | /* |
|
1884 | /* | |
1885 | * Return values: |
|
1885 | * Return values: | |
1886 | * |
|
1886 | * | |
1887 | * -4: match is ambiguous (multiple candidates) |
|
1887 | * -4: match is ambiguous (multiple candidates) | |
1888 | * -2: not found |
|
1888 | * -2: not found | |
1889 | * rest: valid rev |
|
1889 | * rest: valid rev | |
1890 | */ |
|
1890 | */ | |
1891 | static int nt_find(nodetree *self, const char *node, Py_ssize_t nodelen, |
|
1891 | static int nt_find(nodetree *self, const char *node, Py_ssize_t nodelen, | |
1892 | int hex) |
|
1892 | int hex) | |
1893 | { |
|
1893 | { | |
1894 | int (*getnybble)(const char *, Py_ssize_t) = hex ? hexdigit : nt_level; |
|
1894 | int (*getnybble)(const char *, Py_ssize_t) = hex ? hexdigit : nt_level; | |
1895 | int level, maxlevel, off; |
|
1895 | int level, maxlevel, off; | |
1896 |
|
1896 | |||
1897 | /* If the input is binary, do a fast check for the nullid first. */ |
|
1897 | /* If the input is binary, do a fast check for the nullid first. */ | |
1898 | if (!hex && nodelen == self->nodelen && node[0] == '\0' && |
|
1898 | if (!hex && nodelen == self->nodelen && node[0] == '\0' && | |
1899 | node[1] == '\0' && memcmp(node, nullid, self->nodelen) == 0) |
|
1899 | node[1] == '\0' && memcmp(node, nullid, self->nodelen) == 0) | |
1900 | return -1; |
|
1900 | return -1; | |
1901 |
|
1901 | |||
1902 | if (hex) |
|
1902 | if (hex) | |
1903 | maxlevel = nodelen; |
|
1903 | maxlevel = nodelen; | |
1904 | else |
|
1904 | else | |
1905 | maxlevel = 2 * nodelen; |
|
1905 | maxlevel = 2 * nodelen; | |
1906 | if (maxlevel > 2 * self->nodelen) |
|
1906 | if (maxlevel > 2 * self->nodelen) | |
1907 | maxlevel = 2 * self->nodelen; |
|
1907 | maxlevel = 2 * self->nodelen; | |
1908 |
|
1908 | |||
1909 | for (level = off = 0; level < maxlevel; level++) { |
|
1909 | for (level = off = 0; level < maxlevel; level++) { | |
1910 | int k = getnybble(node, level); |
|
1910 | int k = getnybble(node, level); | |
1911 | nodetreenode *n = &self->nodes[off]; |
|
1911 | nodetreenode *n = &self->nodes[off]; | |
1912 | int v = n->children[k]; |
|
1912 | int v = n->children[k]; | |
1913 |
|
1913 | |||
1914 | if (v < 0) { |
|
1914 | if (v < 0) { | |
1915 | const char *n; |
|
1915 | const char *n; | |
1916 | Py_ssize_t i; |
|
1916 | Py_ssize_t i; | |
1917 |
|
1917 | |||
1918 | v = -(v + 2); |
|
1918 | v = -(v + 2); | |
1919 | n = index_node(self->index, v); |
|
1919 | n = index_node(self->index, v); | |
1920 | if (n == NULL) |
|
1920 | if (n == NULL) | |
1921 | return -2; |
|
1921 | return -2; | |
1922 | for (i = level; i < maxlevel; i++) |
|
1922 | for (i = level; i < maxlevel; i++) | |
1923 | if (getnybble(node, i) != nt_level(n, i)) |
|
1923 | if (getnybble(node, i) != nt_level(n, i)) | |
1924 | return -2; |
|
1924 | return -2; | |
1925 | return v; |
|
1925 | return v; | |
1926 | } |
|
1926 | } | |
1927 | if (v == 0) |
|
1927 | if (v == 0) | |
1928 | return -2; |
|
1928 | return -2; | |
1929 | off = v; |
|
1929 | off = v; | |
1930 | } |
|
1930 | } | |
1931 | /* multiple matches against an ambiguous prefix */ |
|
1931 | /* multiple matches against an ambiguous prefix */ | |
1932 | return -4; |
|
1932 | return -4; | |
1933 | } |
|
1933 | } | |
1934 |
|
1934 | |||
1935 | static int nt_new(nodetree *self) |
|
1935 | static int nt_new(nodetree *self) | |
1936 | { |
|
1936 | { | |
1937 | if (self->length == self->capacity) { |
|
1937 | if (self->length == self->capacity) { | |
1938 | size_t newcapacity; |
|
1938 | size_t newcapacity; | |
1939 | nodetreenode *newnodes; |
|
1939 | nodetreenode *newnodes; | |
1940 | newcapacity = self->capacity * 2; |
|
1940 | newcapacity = self->capacity * 2; | |
1941 | if (newcapacity >= SIZE_MAX / sizeof(nodetreenode)) { |
|
1941 | if (newcapacity >= SIZE_MAX / sizeof(nodetreenode)) { | |
1942 | PyErr_SetString(PyExc_MemoryError, |
|
1942 | PyErr_SetString(PyExc_MemoryError, | |
1943 | "overflow in nt_new"); |
|
1943 | "overflow in nt_new"); | |
1944 | return -1; |
|
1944 | return -1; | |
1945 | } |
|
1945 | } | |
1946 | newnodes = |
|
1946 | newnodes = | |
1947 | realloc(self->nodes, newcapacity * sizeof(nodetreenode)); |
|
1947 | realloc(self->nodes, newcapacity * sizeof(nodetreenode)); | |
1948 | if (newnodes == NULL) { |
|
1948 | if (newnodes == NULL) { | |
1949 | PyErr_SetString(PyExc_MemoryError, "out of memory"); |
|
1949 | PyErr_SetString(PyExc_MemoryError, "out of memory"); | |
1950 | return -1; |
|
1950 | return -1; | |
1951 | } |
|
1951 | } | |
1952 | self->capacity = newcapacity; |
|
1952 | self->capacity = newcapacity; | |
1953 | self->nodes = newnodes; |
|
1953 | self->nodes = newnodes; | |
1954 | memset(&self->nodes[self->length], 0, |
|
1954 | memset(&self->nodes[self->length], 0, | |
1955 | sizeof(nodetreenode) * (self->capacity - self->length)); |
|
1955 | sizeof(nodetreenode) * (self->capacity - self->length)); | |
1956 | } |
|
1956 | } | |
1957 | return self->length++; |
|
1957 | return self->length++; | |
1958 | } |
|
1958 | } | |
1959 |
|
1959 | |||
1960 | static int nt_insert(nodetree *self, const char *node, int rev) |
|
1960 | static int nt_insert(nodetree *self, const char *node, int rev) | |
1961 | { |
|
1961 | { | |
1962 | int level = 0; |
|
1962 | int level = 0; | |
1963 | int off = 0; |
|
1963 | int off = 0; | |
1964 |
|
1964 | |||
1965 | while (level < 2 * self->nodelen) { |
|
1965 | while (level < 2 * self->nodelen) { | |
1966 | int k = nt_level(node, level); |
|
1966 | int k = nt_level(node, level); | |
1967 | nodetreenode *n; |
|
1967 | nodetreenode *n; | |
1968 | int v; |
|
1968 | int v; | |
1969 |
|
1969 | |||
1970 | n = &self->nodes[off]; |
|
1970 | n = &self->nodes[off]; | |
1971 | v = n->children[k]; |
|
1971 | v = n->children[k]; | |
1972 |
|
1972 | |||
1973 | if (v == 0) { |
|
1973 | if (v == 0) { | |
1974 | n->children[k] = -rev - 2; |
|
1974 | n->children[k] = -rev - 2; | |
1975 | return 0; |
|
1975 | return 0; | |
1976 | } |
|
1976 | } | |
1977 | if (v < 0) { |
|
1977 | if (v < 0) { | |
1978 | const char *oldnode = |
|
1978 | const char *oldnode = | |
1979 | index_node_existing(self->index, -(v + 2)); |
|
1979 | index_node_existing(self->index, -(v + 2)); | |
1980 | int noff; |
|
1980 | int noff; | |
1981 |
|
1981 | |||
1982 | if (oldnode == NULL) |
|
1982 | if (oldnode == NULL) | |
1983 | return -1; |
|
1983 | return -1; | |
1984 | if (!memcmp(oldnode, node, self->nodelen)) { |
|
1984 | if (!memcmp(oldnode, node, self->nodelen)) { | |
1985 | n->children[k] = -rev - 2; |
|
1985 | n->children[k] = -rev - 2; | |
1986 | return 0; |
|
1986 | return 0; | |
1987 | } |
|
1987 | } | |
1988 | noff = nt_new(self); |
|
1988 | noff = nt_new(self); | |
1989 | if (noff == -1) |
|
1989 | if (noff == -1) | |
1990 | return -1; |
|
1990 | return -1; | |
1991 | /* self->nodes may have been changed by realloc */ |
|
1991 | /* self->nodes may have been changed by realloc */ | |
1992 | self->nodes[off].children[k] = noff; |
|
1992 | self->nodes[off].children[k] = noff; | |
1993 | off = noff; |
|
1993 | off = noff; | |
1994 | n = &self->nodes[off]; |
|
1994 | n = &self->nodes[off]; | |
1995 | n->children[nt_level(oldnode, ++level)] = v; |
|
1995 | n->children[nt_level(oldnode, ++level)] = v; | |
1996 | if (level > self->depth) |
|
1996 | if (level > self->depth) | |
1997 | self->depth = level; |
|
1997 | self->depth = level; | |
1998 | self->splits += 1; |
|
1998 | self->splits += 1; | |
1999 | } else { |
|
1999 | } else { | |
2000 | level += 1; |
|
2000 | level += 1; | |
2001 | off = v; |
|
2001 | off = v; | |
2002 | } |
|
2002 | } | |
2003 | } |
|
2003 | } | |
2004 |
|
2004 | |||
2005 | return -1; |
|
2005 | return -1; | |
2006 | } |
|
2006 | } | |
2007 |
|
2007 | |||
2008 | static PyObject *ntobj_insert(nodetreeObject *self, PyObject *args) |
|
2008 | static PyObject *ntobj_insert(nodetreeObject *self, PyObject *args) | |
2009 | { |
|
2009 | { | |
2010 | Py_ssize_t rev; |
|
2010 | Py_ssize_t rev; | |
2011 | const char *node; |
|
2011 | const char *node; | |
2012 | Py_ssize_t length; |
|
2012 | Py_ssize_t length; | |
2013 | if (!PyArg_ParseTuple(args, "n", &rev)) |
|
2013 | if (!PyArg_ParseTuple(args, "n", &rev)) | |
2014 | return NULL; |
|
2014 | return NULL; | |
2015 | length = index_length(self->nt.index); |
|
2015 | length = index_length(self->nt.index); | |
2016 | if (rev < 0 || rev >= length) { |
|
2016 | if (rev < 0 || rev >= length) { | |
2017 | PyErr_SetString(PyExc_ValueError, "revlog index out of range"); |
|
2017 | PyErr_SetString(PyExc_ValueError, "revlog index out of range"); | |
2018 | return NULL; |
|
2018 | return NULL; | |
2019 | } |
|
2019 | } | |
2020 | node = index_node_existing(self->nt.index, rev); |
|
2020 | node = index_node_existing(self->nt.index, rev); | |
2021 | if (nt_insert(&self->nt, node, (int)rev) == -1) |
|
2021 | if (nt_insert(&self->nt, node, (int)rev) == -1) | |
2022 | return NULL; |
|
2022 | return NULL; | |
2023 | Py_RETURN_NONE; |
|
2023 | Py_RETURN_NONE; | |
2024 | } |
|
2024 | } | |
2025 |
|
2025 | |||
2026 | static int nt_delete_node(nodetree *self, const char *node) |
|
2026 | static int nt_delete_node(nodetree *self, const char *node) | |
2027 | { |
|
2027 | { | |
2028 | /* rev==-2 happens to get encoded as 0, which is interpreted as not set |
|
2028 | /* rev==-2 happens to get encoded as 0, which is interpreted as not set | |
2029 | */ |
|
2029 | */ | |
2030 | return nt_insert(self, node, -2); |
|
2030 | return nt_insert(self, node, -2); | |
2031 | } |
|
2031 | } | |
2032 |
|
2032 | |||
2033 | static int nt_init(nodetree *self, indexObject *index, unsigned capacity) |
|
2033 | static int nt_init(nodetree *self, indexObject *index, unsigned capacity) | |
2034 | { |
|
2034 | { | |
2035 | /* Initialize before overflow-checking to avoid nt_dealloc() crash. */ |
|
2035 | /* Initialize before overflow-checking to avoid nt_dealloc() crash. */ | |
2036 | self->nodes = NULL; |
|
2036 | self->nodes = NULL; | |
2037 |
|
2037 | |||
2038 | self->index = index; |
|
2038 | self->index = index; | |
2039 | /* The input capacity is in terms of revisions, while the field is in |
|
2039 | /* The input capacity is in terms of revisions, while the field is in | |
2040 | * terms of nodetree nodes. */ |
|
2040 | * terms of nodetree nodes. */ | |
2041 | self->capacity = (capacity < 4 ? 4 : capacity / 2); |
|
2041 | self->capacity = (capacity < 4 ? 4 : capacity / 2); | |
2042 | self->nodelen = index->nodelen; |
|
2042 | self->nodelen = index->nodelen; | |
2043 | self->depth = 0; |
|
2043 | self->depth = 0; | |
2044 | self->splits = 0; |
|
2044 | self->splits = 0; | |
2045 | if (self->capacity > SIZE_MAX / sizeof(nodetreenode)) { |
|
2045 | if (self->capacity > SIZE_MAX / sizeof(nodetreenode)) { | |
2046 | PyErr_SetString(PyExc_ValueError, "overflow in init_nt"); |
|
2046 | PyErr_SetString(PyExc_ValueError, "overflow in init_nt"); | |
2047 | return -1; |
|
2047 | return -1; | |
2048 | } |
|
2048 | } | |
2049 | self->nodes = calloc(self->capacity, sizeof(nodetreenode)); |
|
2049 | self->nodes = calloc(self->capacity, sizeof(nodetreenode)); | |
2050 | if (self->nodes == NULL) { |
|
2050 | if (self->nodes == NULL) { | |
2051 | PyErr_NoMemory(); |
|
2051 | PyErr_NoMemory(); | |
2052 | return -1; |
|
2052 | return -1; | |
2053 | } |
|
2053 | } | |
2054 | self->length = 1; |
|
2054 | self->length = 1; | |
2055 | return 0; |
|
2055 | return 0; | |
2056 | } |
|
2056 | } | |
2057 |
|
2057 | |||
2058 | static int ntobj_init(nodetreeObject *self, PyObject *args) |
|
2058 | static int ntobj_init(nodetreeObject *self, PyObject *args) | |
2059 | { |
|
2059 | { | |
2060 | PyObject *index; |
|
2060 | PyObject *index; | |
2061 | unsigned capacity; |
|
2061 | unsigned capacity; | |
2062 | if (!PyArg_ParseTuple(args, "O!I", &HgRevlogIndex_Type, &index, |
|
2062 | if (!PyArg_ParseTuple(args, "O!I", &HgRevlogIndex_Type, &index, | |
2063 | &capacity)) |
|
2063 | &capacity)) | |
2064 | return -1; |
|
2064 | return -1; | |
2065 | Py_INCREF(index); |
|
2065 | Py_INCREF(index); | |
2066 | return nt_init(&self->nt, (indexObject *)index, capacity); |
|
2066 | return nt_init(&self->nt, (indexObject *)index, capacity); | |
2067 | } |
|
2067 | } | |
2068 |
|
2068 | |||
2069 | static int nt_partialmatch(nodetree *self, const char *node, Py_ssize_t nodelen) |
|
2069 | static int nt_partialmatch(nodetree *self, const char *node, Py_ssize_t nodelen) | |
2070 | { |
|
2070 | { | |
2071 | return nt_find(self, node, nodelen, 1); |
|
2071 | return nt_find(self, node, nodelen, 1); | |
2072 | } |
|
2072 | } | |
2073 |
|
2073 | |||
2074 | /* |
|
2074 | /* | |
2075 | * Find the length of the shortest unique prefix of node. |
|
2075 | * Find the length of the shortest unique prefix of node. | |
2076 | * |
|
2076 | * | |
2077 | * Return values: |
|
2077 | * Return values: | |
2078 | * |
|
2078 | * | |
2079 | * -3: error (exception set) |
|
2079 | * -3: error (exception set) | |
2080 | * -2: not found (no exception set) |
|
2080 | * -2: not found (no exception set) | |
2081 | * rest: length of shortest prefix |
|
2081 | * rest: length of shortest prefix | |
2082 | */ |
|
2082 | */ | |
2083 | static int nt_shortest(nodetree *self, const char *node) |
|
2083 | static int nt_shortest(nodetree *self, const char *node) | |
2084 | { |
|
2084 | { | |
2085 | int level, off; |
|
2085 | int level, off; | |
2086 |
|
2086 | |||
2087 | for (level = off = 0; level < 2 * self->nodelen; level++) { |
|
2087 | for (level = off = 0; level < 2 * self->nodelen; level++) { | |
2088 | int k, v; |
|
2088 | int k, v; | |
2089 | nodetreenode *n = &self->nodes[off]; |
|
2089 | nodetreenode *n = &self->nodes[off]; | |
2090 | k = nt_level(node, level); |
|
2090 | k = nt_level(node, level); | |
2091 | v = n->children[k]; |
|
2091 | v = n->children[k]; | |
2092 | if (v < 0) { |
|
2092 | if (v < 0) { | |
2093 | const char *n; |
|
2093 | const char *n; | |
2094 | v = -(v + 2); |
|
2094 | v = -(v + 2); | |
2095 | n = index_node_existing(self->index, v); |
|
2095 | n = index_node_existing(self->index, v); | |
2096 | if (n == NULL) |
|
2096 | if (n == NULL) | |
2097 | return -3; |
|
2097 | return -3; | |
2098 | if (memcmp(node, n, self->nodelen) != 0) |
|
2098 | if (memcmp(node, n, self->nodelen) != 0) | |
2099 | /* |
|
2099 | /* | |
2100 | * Found a unique prefix, but it wasn't for the |
|
2100 | * Found a unique prefix, but it wasn't for the | |
2101 | * requested node (i.e the requested node does |
|
2101 | * requested node (i.e the requested node does | |
2102 | * not exist). |
|
2102 | * not exist). | |
2103 | */ |
|
2103 | */ | |
2104 | return -2; |
|
2104 | return -2; | |
2105 | return level + 1; |
|
2105 | return level + 1; | |
2106 | } |
|
2106 | } | |
2107 | if (v == 0) |
|
2107 | if (v == 0) | |
2108 | return -2; |
|
2108 | return -2; | |
2109 | off = v; |
|
2109 | off = v; | |
2110 | } |
|
2110 | } | |
2111 | /* |
|
2111 | /* | |
2112 | * The node was still not unique after 40 hex digits, so this won't |
|
2112 | * The node was still not unique after 40 hex digits, so this won't | |
2113 | * happen. Also, if we get here, then there's a programming error in |
|
2113 | * happen. Also, if we get here, then there's a programming error in | |
2114 | * this file that made us insert a node longer than 40 hex digits. |
|
2114 | * this file that made us insert a node longer than 40 hex digits. | |
2115 | */ |
|
2115 | */ | |
2116 | PyErr_SetString(PyExc_Exception, "broken node tree"); |
|
2116 | PyErr_SetString(PyExc_Exception, "broken node tree"); | |
2117 | return -3; |
|
2117 | return -3; | |
2118 | } |
|
2118 | } | |
2119 |
|
2119 | |||
2120 | static PyObject *ntobj_shortest(nodetreeObject *self, PyObject *args) |
|
2120 | static PyObject *ntobj_shortest(nodetreeObject *self, PyObject *args) | |
2121 | { |
|
2121 | { | |
2122 | PyObject *val; |
|
2122 | PyObject *val; | |
2123 | char *node; |
|
2123 | char *node; | |
2124 | int length; |
|
2124 | int length; | |
2125 |
|
2125 | |||
2126 | if (!PyArg_ParseTuple(args, "O", &val)) |
|
2126 | if (!PyArg_ParseTuple(args, "O", &val)) | |
2127 | return NULL; |
|
2127 | return NULL; | |
2128 | if (node_check(self->nt.nodelen, val, &node) == -1) |
|
2128 | if (node_check(self->nt.nodelen, val, &node) == -1) | |
2129 | return NULL; |
|
2129 | return NULL; | |
2130 |
|
2130 | |||
2131 | length = nt_shortest(&self->nt, node); |
|
2131 | length = nt_shortest(&self->nt, node); | |
2132 | if (length == -3) |
|
2132 | if (length == -3) | |
2133 | return NULL; |
|
2133 | return NULL; | |
2134 | if (length == -2) { |
|
2134 | if (length == -2) { | |
2135 | raise_revlog_error(); |
|
2135 | raise_revlog_error(); | |
2136 | return NULL; |
|
2136 | return NULL; | |
2137 | } |
|
2137 | } | |
2138 | return PyLong_FromLong(length); |
|
2138 | return PyLong_FromLong(length); | |
2139 | } |
|
2139 | } | |
2140 |
|
2140 | |||
2141 | static void nt_dealloc(nodetree *self) |
|
2141 | static void nt_dealloc(nodetree *self) | |
2142 | { |
|
2142 | { | |
2143 | free(self->nodes); |
|
2143 | free(self->nodes); | |
2144 | self->nodes = NULL; |
|
2144 | self->nodes = NULL; | |
2145 | } |
|
2145 | } | |
2146 |
|
2146 | |||
2147 | static void ntobj_dealloc(nodetreeObject *self) |
|
2147 | static void ntobj_dealloc(nodetreeObject *self) | |
2148 | { |
|
2148 | { | |
2149 | Py_XDECREF(self->nt.index); |
|
2149 | Py_XDECREF(self->nt.index); | |
2150 | nt_dealloc(&self->nt); |
|
2150 | nt_dealloc(&self->nt); | |
2151 | PyObject_Del(self); |
|
2151 | PyObject_Del(self); | |
2152 | } |
|
2152 | } | |
2153 |
|
2153 | |||
2154 | static PyMethodDef ntobj_methods[] = { |
|
2154 | static PyMethodDef ntobj_methods[] = { | |
2155 | {"insert", (PyCFunction)ntobj_insert, METH_VARARGS, |
|
2155 | {"insert", (PyCFunction)ntobj_insert, METH_VARARGS, | |
2156 | "insert an index entry"}, |
|
2156 | "insert an index entry"}, | |
2157 | {"shortest", (PyCFunction)ntobj_shortest, METH_VARARGS, |
|
2157 | {"shortest", (PyCFunction)ntobj_shortest, METH_VARARGS, | |
2158 | "find length of shortest hex nodeid of a binary ID"}, |
|
2158 | "find length of shortest hex nodeid of a binary ID"}, | |
2159 | {NULL} /* Sentinel */ |
|
2159 | {NULL} /* Sentinel */ | |
2160 | }; |
|
2160 | }; | |
2161 |
|
2161 | |||
2162 | static PyTypeObject nodetreeType = { |
|
2162 | static PyTypeObject nodetreeType = { | |
2163 | PyVarObject_HEAD_INIT(NULL, 0) /* header */ |
|
2163 | PyVarObject_HEAD_INIT(NULL, 0) /* header */ | |
2164 | "parsers.nodetree", /* tp_name */ |
|
2164 | "parsers.nodetree", /* tp_name */ | |
2165 | sizeof(nodetreeObject), /* tp_basicsize */ |
|
2165 | sizeof(nodetreeObject), /* tp_basicsize */ | |
2166 | 0, /* tp_itemsize */ |
|
2166 | 0, /* tp_itemsize */ | |
2167 | (destructor)ntobj_dealloc, /* tp_dealloc */ |
|
2167 | (destructor)ntobj_dealloc, /* tp_dealloc */ | |
2168 | 0, /* tp_print */ |
|
2168 | 0, /* tp_print */ | |
2169 | 0, /* tp_getattr */ |
|
2169 | 0, /* tp_getattr */ | |
2170 | 0, /* tp_setattr */ |
|
2170 | 0, /* tp_setattr */ | |
2171 | 0, /* tp_compare */ |
|
2171 | 0, /* tp_compare */ | |
2172 | 0, /* tp_repr */ |
|
2172 | 0, /* tp_repr */ | |
2173 | 0, /* tp_as_number */ |
|
2173 | 0, /* tp_as_number */ | |
2174 | 0, /* tp_as_sequence */ |
|
2174 | 0, /* tp_as_sequence */ | |
2175 | 0, /* tp_as_mapping */ |
|
2175 | 0, /* tp_as_mapping */ | |
2176 | 0, /* tp_hash */ |
|
2176 | 0, /* tp_hash */ | |
2177 | 0, /* tp_call */ |
|
2177 | 0, /* tp_call */ | |
2178 | 0, /* tp_str */ |
|
2178 | 0, /* tp_str */ | |
2179 | 0, /* tp_getattro */ |
|
2179 | 0, /* tp_getattro */ | |
2180 | 0, /* tp_setattro */ |
|
2180 | 0, /* tp_setattro */ | |
2181 | 0, /* tp_as_buffer */ |
|
2181 | 0, /* tp_as_buffer */ | |
2182 | Py_TPFLAGS_DEFAULT, /* tp_flags */ |
|
2182 | Py_TPFLAGS_DEFAULT, /* tp_flags */ | |
2183 | "nodetree", /* tp_doc */ |
|
2183 | "nodetree", /* tp_doc */ | |
2184 | 0, /* tp_traverse */ |
|
2184 | 0, /* tp_traverse */ | |
2185 | 0, /* tp_clear */ |
|
2185 | 0, /* tp_clear */ | |
2186 | 0, /* tp_richcompare */ |
|
2186 | 0, /* tp_richcompare */ | |
2187 | 0, /* tp_weaklistoffset */ |
|
2187 | 0, /* tp_weaklistoffset */ | |
2188 | 0, /* tp_iter */ |
|
2188 | 0, /* tp_iter */ | |
2189 | 0, /* tp_iternext */ |
|
2189 | 0, /* tp_iternext */ | |
2190 | ntobj_methods, /* tp_methods */ |
|
2190 | ntobj_methods, /* tp_methods */ | |
2191 | 0, /* tp_members */ |
|
2191 | 0, /* tp_members */ | |
2192 | 0, /* tp_getset */ |
|
2192 | 0, /* tp_getset */ | |
2193 | 0, /* tp_base */ |
|
2193 | 0, /* tp_base */ | |
2194 | 0, /* tp_dict */ |
|
2194 | 0, /* tp_dict */ | |
2195 | 0, /* tp_descr_get */ |
|
2195 | 0, /* tp_descr_get */ | |
2196 | 0, /* tp_descr_set */ |
|
2196 | 0, /* tp_descr_set */ | |
2197 | 0, /* tp_dictoffset */ |
|
2197 | 0, /* tp_dictoffset */ | |
2198 | (initproc)ntobj_init, /* tp_init */ |
|
2198 | (initproc)ntobj_init, /* tp_init */ | |
2199 | 0, /* tp_alloc */ |
|
2199 | 0, /* tp_alloc */ | |
2200 | }; |
|
2200 | }; | |
2201 |
|
2201 | |||
2202 | static int index_init_nt(indexObject *self) |
|
2202 | static int index_init_nt(indexObject *self) | |
2203 | { |
|
2203 | { | |
2204 | if (!self->ntinitialized) { |
|
2204 | if (!self->ntinitialized) { | |
2205 | if (nt_init(&self->nt, self, (int)self->length) == -1) { |
|
2205 | if (nt_init(&self->nt, self, (int)self->length) == -1) { | |
2206 | nt_dealloc(&self->nt); |
|
2206 | nt_dealloc(&self->nt); | |
2207 | return -1; |
|
2207 | return -1; | |
2208 | } |
|
2208 | } | |
2209 | if (nt_insert(&self->nt, nullid, -1) == -1) { |
|
2209 | if (nt_insert(&self->nt, nullid, -1) == -1) { | |
2210 | nt_dealloc(&self->nt); |
|
2210 | nt_dealloc(&self->nt); | |
2211 | return -1; |
|
2211 | return -1; | |
2212 | } |
|
2212 | } | |
2213 | self->ntinitialized = 1; |
|
2213 | self->ntinitialized = 1; | |
2214 | self->ntrev = (int)index_length(self); |
|
2214 | self->ntrev = (int)index_length(self); | |
2215 | self->ntlookups = 1; |
|
2215 | self->ntlookups = 1; | |
2216 | self->ntmisses = 0; |
|
2216 | self->ntmisses = 0; | |
2217 | } |
|
2217 | } | |
2218 | return 0; |
|
2218 | return 0; | |
2219 | } |
|
2219 | } | |
2220 |
|
2220 | |||
2221 | /* |
|
2221 | /* | |
2222 | * Return values: |
|
2222 | * Return values: | |
2223 | * |
|
2223 | * | |
2224 | * -3: error (exception set) |
|
2224 | * -3: error (exception set) | |
2225 | * -2: not found (no exception set) |
|
2225 | * -2: not found (no exception set) | |
2226 | * rest: valid rev |
|
2226 | * rest: valid rev | |
2227 | */ |
|
2227 | */ | |
2228 | static int index_find_node(indexObject *self, const char *node) |
|
2228 | static int index_find_node(indexObject *self, const char *node) | |
2229 | { |
|
2229 | { | |
2230 | int rev; |
|
2230 | int rev; | |
2231 |
|
2231 | |||
2232 | if (index_init_nt(self) == -1) |
|
2232 | if (index_init_nt(self) == -1) | |
2233 | return -3; |
|
2233 | return -3; | |
2234 |
|
2234 | |||
2235 | self->ntlookups++; |
|
2235 | self->ntlookups++; | |
2236 | rev = nt_find(&self->nt, node, self->nodelen, 0); |
|
2236 | rev = nt_find(&self->nt, node, self->nodelen, 0); | |
2237 | if (rev >= -1) |
|
2237 | if (rev >= -1) | |
2238 | return rev; |
|
2238 | return rev; | |
2239 |
|
2239 | |||
2240 | /* |
|
2240 | /* | |
2241 | * For the first handful of lookups, we scan the entire index, |
|
2241 | * For the first handful of lookups, we scan the entire index, | |
2242 | * and cache only the matching nodes. This optimizes for cases |
|
2242 | * and cache only the matching nodes. This optimizes for cases | |
2243 | * like "hg tip", where only a few nodes are accessed. |
|
2243 | * like "hg tip", where only a few nodes are accessed. | |
2244 | * |
|
2244 | * | |
2245 | * After that, we cache every node we visit, using a single |
|
2245 | * After that, we cache every node we visit, using a single | |
2246 | * scan amortized over multiple lookups. This gives the best |
|
2246 | * scan amortized over multiple lookups. This gives the best | |
2247 | * bulk performance, e.g. for "hg log". |
|
2247 | * bulk performance, e.g. for "hg log". | |
2248 | */ |
|
2248 | */ | |
2249 | if (self->ntmisses++ < 4) { |
|
2249 | if (self->ntmisses++ < 4) { | |
2250 | for (rev = self->ntrev - 1; rev >= 0; rev--) { |
|
2250 | for (rev = self->ntrev - 1; rev >= 0; rev--) { | |
2251 | const char *n = index_node_existing(self, rev); |
|
2251 | const char *n = index_node_existing(self, rev); | |
2252 | if (n == NULL) |
|
2252 | if (n == NULL) | |
2253 | return -3; |
|
2253 | return -3; | |
2254 | if (memcmp(node, n, self->nodelen) == 0) { |
|
2254 | if (memcmp(node, n, self->nodelen) == 0) { | |
2255 | if (nt_insert(&self->nt, n, rev) == -1) |
|
2255 | if (nt_insert(&self->nt, n, rev) == -1) | |
2256 | return -3; |
|
2256 | return -3; | |
2257 | break; |
|
2257 | break; | |
2258 | } |
|
2258 | } | |
2259 | } |
|
2259 | } | |
2260 | } else { |
|
2260 | } else { | |
2261 | for (rev = self->ntrev - 1; rev >= 0; rev--) { |
|
2261 | for (rev = self->ntrev - 1; rev >= 0; rev--) { | |
2262 | const char *n = index_node_existing(self, rev); |
|
2262 | const char *n = index_node_existing(self, rev); | |
2263 | if (n == NULL) |
|
2263 | if (n == NULL) | |
2264 | return -3; |
|
2264 | return -3; | |
2265 | if (nt_insert(&self->nt, n, rev) == -1) { |
|
2265 | if (nt_insert(&self->nt, n, rev) == -1) { | |
2266 | self->ntrev = rev + 1; |
|
2266 | self->ntrev = rev + 1; | |
2267 | return -3; |
|
2267 | return -3; | |
2268 | } |
|
2268 | } | |
2269 | if (memcmp(node, n, self->nodelen) == 0) { |
|
2269 | if (memcmp(node, n, self->nodelen) == 0) { | |
2270 | break; |
|
2270 | break; | |
2271 | } |
|
2271 | } | |
2272 | } |
|
2272 | } | |
2273 | self->ntrev = rev; |
|
2273 | self->ntrev = rev; | |
2274 | } |
|
2274 | } | |
2275 |
|
2275 | |||
2276 | if (rev >= 0) |
|
2276 | if (rev >= 0) | |
2277 | return rev; |
|
2277 | return rev; | |
2278 | return -2; |
|
2278 | return -2; | |
2279 | } |
|
2279 | } | |
2280 |
|
2280 | |||
2281 | static PyObject *index_getitem(indexObject *self, PyObject *value) |
|
2281 | static PyObject *index_getitem(indexObject *self, PyObject *value) | |
2282 | { |
|
2282 | { | |
2283 | char *node; |
|
2283 | char *node; | |
2284 | int rev; |
|
2284 | int rev; | |
2285 |
|
2285 | |||
2286 | if (PyLong_Check(value)) { |
|
2286 | if (PyLong_Check(value)) { | |
2287 | long idx; |
|
2287 | long idx; | |
2288 | if (!pylong_to_long(value, &idx)) { |
|
2288 | if (!pylong_to_long(value, &idx)) { | |
2289 | return NULL; |
|
2289 | return NULL; | |
2290 | } |
|
2290 | } | |
2291 | return index_get(self, idx); |
|
2291 | return index_get(self, idx); | |
2292 | } |
|
2292 | } | |
2293 |
|
2293 | |||
2294 | if (node_check(self->nodelen, value, &node) == -1) |
|
2294 | if (node_check(self->nodelen, value, &node) == -1) | |
2295 | return NULL; |
|
2295 | return NULL; | |
2296 | rev = index_find_node(self, node); |
|
2296 | rev = index_find_node(self, node); | |
2297 | if (rev >= -1) |
|
2297 | if (rev >= -1) | |
2298 | return PyLong_FromLong(rev); |
|
2298 | return PyLong_FromLong(rev); | |
2299 | if (rev == -2) |
|
2299 | if (rev == -2) | |
2300 | raise_revlog_error(); |
|
2300 | raise_revlog_error(); | |
2301 | return NULL; |
|
2301 | return NULL; | |
2302 | } |
|
2302 | } | |
2303 |
|
2303 | |||
2304 | /* |
|
2304 | /* | |
2305 | * Fully populate the radix tree. |
|
2305 | * Fully populate the radix tree. | |
2306 | */ |
|
2306 | */ | |
2307 | static int index_populate_nt(indexObject *self) |
|
2307 | static int index_populate_nt(indexObject *self) | |
2308 | { |
|
2308 | { | |
2309 | int rev; |
|
2309 | int rev; | |
2310 | if (self->ntrev > 0) { |
|
2310 | if (self->ntrev > 0) { | |
2311 | for (rev = self->ntrev - 1; rev >= 0; rev--) { |
|
2311 | for (rev = self->ntrev - 1; rev >= 0; rev--) { | |
2312 | const char *n = index_node_existing(self, rev); |
|
2312 | const char *n = index_node_existing(self, rev); | |
2313 | if (n == NULL) |
|
2313 | if (n == NULL) | |
2314 | return -1; |
|
2314 | return -1; | |
2315 | if (nt_insert(&self->nt, n, rev) == -1) |
|
2315 | if (nt_insert(&self->nt, n, rev) == -1) | |
2316 | return -1; |
|
2316 | return -1; | |
2317 | } |
|
2317 | } | |
2318 | self->ntrev = -1; |
|
2318 | self->ntrev = -1; | |
2319 | } |
|
2319 | } | |
2320 | return 0; |
|
2320 | return 0; | |
2321 | } |
|
2321 | } | |
2322 |
|
2322 | |||
2323 | static PyObject *index_partialmatch(indexObject *self, PyObject *args) |
|
2323 | static PyObject *index_partialmatch(indexObject *self, PyObject *args) | |
2324 | { |
|
2324 | { | |
2325 | const char *fullnode; |
|
2325 | const char *fullnode; | |
2326 | Py_ssize_t nodelen; |
|
2326 | Py_ssize_t nodelen; | |
2327 | char *node; |
|
2327 | char *node; | |
2328 | int rev, i; |
|
2328 | int rev, i; | |
2329 |
|
2329 | |||
2330 | if (!PyArg_ParseTuple(args, "y#", &node, &nodelen)) |
|
2330 | if (!PyArg_ParseTuple(args, "y#", &node, &nodelen)) | |
2331 | return NULL; |
|
2331 | return NULL; | |
2332 |
|
2332 | |||
2333 | if (nodelen < 1) { |
|
2333 | if (nodelen < 1) { | |
2334 | PyErr_SetString(PyExc_ValueError, "key too short"); |
|
2334 | PyErr_SetString(PyExc_ValueError, "key too short"); | |
2335 | return NULL; |
|
2335 | return NULL; | |
2336 | } |
|
2336 | } | |
2337 |
|
2337 | |||
2338 | if (nodelen > 2 * self->nodelen) { |
|
2338 | if (nodelen > 2 * self->nodelen) { | |
2339 | PyErr_SetString(PyExc_ValueError, "key too long"); |
|
2339 | PyErr_SetString(PyExc_ValueError, "key too long"); | |
2340 | return NULL; |
|
2340 | return NULL; | |
2341 | } |
|
2341 | } | |
2342 |
|
2342 | |||
2343 | for (i = 0; i < nodelen; i++) |
|
2343 | for (i = 0; i < nodelen; i++) | |
2344 | hexdigit(node, i); |
|
2344 | hexdigit(node, i); | |
2345 | if (PyErr_Occurred()) { |
|
2345 | if (PyErr_Occurred()) { | |
2346 | /* input contains non-hex characters */ |
|
2346 | /* input contains non-hex characters */ | |
2347 | PyErr_Clear(); |
|
2347 | PyErr_Clear(); | |
2348 | Py_RETURN_NONE; |
|
2348 | Py_RETURN_NONE; | |
2349 | } |
|
2349 | } | |
2350 |
|
2350 | |||
2351 | if (index_init_nt(self) == -1) |
|
2351 | if (index_init_nt(self) == -1) | |
2352 | return NULL; |
|
2352 | return NULL; | |
2353 | if (index_populate_nt(self) == -1) |
|
2353 | if (index_populate_nt(self) == -1) | |
2354 | return NULL; |
|
2354 | return NULL; | |
2355 | rev = nt_partialmatch(&self->nt, node, nodelen); |
|
2355 | rev = nt_partialmatch(&self->nt, node, nodelen); | |
2356 |
|
2356 | |||
2357 | switch (rev) { |
|
2357 | switch (rev) { | |
2358 | case -4: |
|
2358 | case -4: | |
2359 | raise_revlog_error(); |
|
2359 | raise_revlog_error(); | |
2360 | return NULL; |
|
2360 | return NULL; | |
2361 | case -2: |
|
2361 | case -2: | |
2362 | Py_RETURN_NONE; |
|
2362 | Py_RETURN_NONE; | |
2363 | case -1: |
|
2363 | case -1: | |
2364 | return PyBytes_FromStringAndSize(nullid, self->nodelen); |
|
2364 | return PyBytes_FromStringAndSize(nullid, self->nodelen); | |
2365 | } |
|
2365 | } | |
2366 |
|
2366 | |||
2367 | fullnode = index_node_existing(self, rev); |
|
2367 | fullnode = index_node_existing(self, rev); | |
2368 | if (fullnode == NULL) { |
|
2368 | if (fullnode == NULL) { | |
2369 | return NULL; |
|
2369 | return NULL; | |
2370 | } |
|
2370 | } | |
2371 | return PyBytes_FromStringAndSize(fullnode, self->nodelen); |
|
2371 | return PyBytes_FromStringAndSize(fullnode, self->nodelen); | |
2372 | } |
|
2372 | } | |
2373 |
|
2373 | |||
2374 | static PyObject *index_shortest(indexObject *self, PyObject *args) |
|
2374 | static PyObject *index_shortest(indexObject *self, PyObject *args) | |
2375 | { |
|
2375 | { | |
2376 | PyObject *val; |
|
2376 | PyObject *val; | |
2377 | char *node; |
|
2377 | char *node; | |
2378 | int length; |
|
2378 | int length; | |
2379 |
|
2379 | |||
2380 | if (!PyArg_ParseTuple(args, "O", &val)) |
|
2380 | if (!PyArg_ParseTuple(args, "O", &val)) | |
2381 | return NULL; |
|
2381 | return NULL; | |
2382 | if (node_check(self->nodelen, val, &node) == -1) |
|
2382 | if (node_check(self->nodelen, val, &node) == -1) | |
2383 | return NULL; |
|
2383 | return NULL; | |
2384 |
|
2384 | |||
2385 | self->ntlookups++; |
|
2385 | self->ntlookups++; | |
2386 | if (index_init_nt(self) == -1) |
|
2386 | if (index_init_nt(self) == -1) | |
2387 | return NULL; |
|
2387 | return NULL; | |
2388 | if (index_populate_nt(self) == -1) |
|
2388 | if (index_populate_nt(self) == -1) | |
2389 | return NULL; |
|
2389 | return NULL; | |
2390 | length = nt_shortest(&self->nt, node); |
|
2390 | length = nt_shortest(&self->nt, node); | |
2391 | if (length == -3) |
|
2391 | if (length == -3) | |
2392 | return NULL; |
|
2392 | return NULL; | |
2393 | if (length == -2) { |
|
2393 | if (length == -2) { | |
2394 | raise_revlog_error(); |
|
2394 | raise_revlog_error(); | |
2395 | return NULL; |
|
2395 | return NULL; | |
2396 | } |
|
2396 | } | |
2397 | return PyLong_FromLong(length); |
|
2397 | return PyLong_FromLong(length); | |
2398 | } |
|
2398 | } | |
2399 |
|
2399 | |||
2400 | static PyObject *index_m_get(indexObject *self, PyObject *args) |
|
2400 | static PyObject *index_m_get(indexObject *self, PyObject *args) | |
2401 | { |
|
2401 | { | |
2402 | PyObject *val; |
|
2402 | PyObject *val; | |
2403 | char *node; |
|
2403 | char *node; | |
2404 | int rev; |
|
2404 | int rev; | |
2405 |
|
2405 | |||
2406 | if (!PyArg_ParseTuple(args, "O", &val)) |
|
2406 | if (!PyArg_ParseTuple(args, "O", &val)) | |
2407 | return NULL; |
|
2407 | return NULL; | |
2408 | if (node_check(self->nodelen, val, &node) == -1) |
|
2408 | if (node_check(self->nodelen, val, &node) == -1) | |
2409 | return NULL; |
|
2409 | return NULL; | |
2410 | rev = index_find_node(self, node); |
|
2410 | rev = index_find_node(self, node); | |
2411 | if (rev == -3) |
|
2411 | if (rev == -3) | |
2412 | return NULL; |
|
2412 | return NULL; | |
2413 | if (rev == -2) |
|
2413 | if (rev == -2) | |
2414 | Py_RETURN_NONE; |
|
2414 | Py_RETURN_NONE; | |
2415 | return PyLong_FromLong(rev); |
|
2415 | return PyLong_FromLong(rev); | |
2416 | } |
|
2416 | } | |
2417 |
|
2417 | |||
2418 | static int index_contains(indexObject *self, PyObject *value) |
|
2418 | static int index_contains(indexObject *self, PyObject *value) | |
2419 | { |
|
2419 | { | |
2420 | char *node; |
|
2420 | char *node; | |
2421 |
|
2421 | |||
2422 | if (PyLong_Check(value)) { |
|
2422 | if (PyLong_Check(value)) { | |
2423 | long rev; |
|
2423 | long rev; | |
2424 | if (!pylong_to_long(value, &rev)) { |
|
2424 | if (!pylong_to_long(value, &rev)) { | |
2425 | return -1; |
|
2425 | return -1; | |
2426 | } |
|
2426 | } | |
2427 | return rev >= -1 && rev < index_length(self); |
|
2427 | return rev >= -1 && rev < index_length(self); | |
2428 | } |
|
2428 | } | |
2429 |
|
2429 | |||
2430 | if (node_check(self->nodelen, value, &node) == -1) |
|
2430 | if (node_check(self->nodelen, value, &node) == -1) | |
2431 | return -1; |
|
2431 | return -1; | |
2432 |
|
2432 | |||
2433 | switch (index_find_node(self, node)) { |
|
2433 | switch (index_find_node(self, node)) { | |
2434 | case -3: |
|
2434 | case -3: | |
2435 | return -1; |
|
2435 | return -1; | |
2436 | case -2: |
|
2436 | case -2: | |
2437 | return 0; |
|
2437 | return 0; | |
2438 | default: |
|
2438 | default: | |
2439 | return 1; |
|
2439 | return 1; | |
2440 | } |
|
2440 | } | |
2441 | } |
|
2441 | } | |
2442 |
|
2442 | |||
2443 | static PyObject *index_m_has_node(indexObject *self, PyObject *args) |
|
2443 | static PyObject *index_m_has_node(indexObject *self, PyObject *args) | |
2444 | { |
|
2444 | { | |
2445 | int ret = index_contains(self, args); |
|
2445 | int ret = index_contains(self, args); | |
2446 | if (ret < 0) |
|
2446 | if (ret < 0) | |
2447 | return NULL; |
|
2447 | return NULL; | |
2448 | return PyBool_FromLong((long)ret); |
|
2448 | return PyBool_FromLong((long)ret); | |
2449 | } |
|
2449 | } | |
2450 |
|
2450 | |||
2451 | static PyObject *index_m_rev(indexObject *self, PyObject *val) |
|
2451 | static PyObject *index_m_rev(indexObject *self, PyObject *val) | |
2452 | { |
|
2452 | { | |
2453 | char *node; |
|
2453 | char *node; | |
2454 | int rev; |
|
2454 | int rev; | |
2455 |
|
2455 | |||
2456 | if (node_check(self->nodelen, val, &node) == -1) |
|
2456 | if (node_check(self->nodelen, val, &node) == -1) | |
2457 | return NULL; |
|
2457 | return NULL; | |
2458 | rev = index_find_node(self, node); |
|
2458 | rev = index_find_node(self, node); | |
2459 | if (rev >= -1) |
|
2459 | if (rev >= -1) | |
2460 | return PyLong_FromLong(rev); |
|
2460 | return PyLong_FromLong(rev); | |
2461 | if (rev == -2) |
|
2461 | if (rev == -2) | |
2462 | raise_revlog_error(); |
|
2462 | raise_revlog_error(); | |
2463 | return NULL; |
|
2463 | return NULL; | |
2464 | } |
|
2464 | } | |
2465 |
|
2465 | |||
2466 | typedef uint64_t bitmask; |
|
2466 | typedef uint64_t bitmask; | |
2467 |
|
2467 | |||
2468 | /* |
|
2468 | /* | |
2469 | * Given a disjoint set of revs, return all candidates for the |
|
2469 | * Given a disjoint set of revs, return all candidates for the | |
2470 | * greatest common ancestor. In revset notation, this is the set |
|
2470 | * greatest common ancestor. In revset notation, this is the set | |
2471 | * "heads(::a and ::b and ...)" |
|
2471 | * "heads(::a and ::b and ...)" | |
2472 | */ |
|
2472 | */ | |
2473 | static PyObject *find_gca_candidates(indexObject *self, const int *revs, |
|
2473 | static PyObject *find_gca_candidates(indexObject *self, const int *revs, | |
2474 | int revcount) |
|
2474 | int revcount) | |
2475 | { |
|
2475 | { | |
2476 | const bitmask allseen = (1ull << revcount) - 1; |
|
2476 | const bitmask allseen = (1ull << revcount) - 1; | |
2477 | const bitmask poison = 1ull << revcount; |
|
2477 | const bitmask poison = 1ull << revcount; | |
2478 | PyObject *gca = PyList_New(0); |
|
2478 | PyObject *gca = PyList_New(0); | |
2479 | int i, v, interesting; |
|
2479 | int i, v, interesting; | |
2480 | int maxrev = -1; |
|
2480 | int maxrev = -1; | |
2481 | bitmask sp; |
|
2481 | bitmask sp; | |
2482 | bitmask *seen; |
|
2482 | bitmask *seen; | |
2483 |
|
2483 | |||
2484 | if (gca == NULL) |
|
2484 | if (gca == NULL) | |
2485 | return PyErr_NoMemory(); |
|
2485 | return PyErr_NoMemory(); | |
2486 |
|
2486 | |||
2487 | for (i = 0; i < revcount; i++) { |
|
2487 | for (i = 0; i < revcount; i++) { | |
2488 | if (revs[i] > maxrev) |
|
2488 | if (revs[i] > maxrev) | |
2489 | maxrev = revs[i]; |
|
2489 | maxrev = revs[i]; | |
2490 | } |
|
2490 | } | |
2491 |
|
2491 | |||
2492 | seen = calloc(sizeof(*seen), maxrev + 1); |
|
2492 | seen = calloc(sizeof(*seen), maxrev + 1); | |
2493 | if (seen == NULL) { |
|
2493 | if (seen == NULL) { | |
2494 | Py_DECREF(gca); |
|
2494 | Py_DECREF(gca); | |
2495 | return PyErr_NoMemory(); |
|
2495 | return PyErr_NoMemory(); | |
2496 | } |
|
2496 | } | |
2497 |
|
2497 | |||
2498 | for (i = 0; i < revcount; i++) |
|
2498 | for (i = 0; i < revcount; i++) | |
2499 | seen[revs[i]] = 1ull << i; |
|
2499 | seen[revs[i]] = 1ull << i; | |
2500 |
|
2500 | |||
2501 | interesting = revcount; |
|
2501 | interesting = revcount; | |
2502 |
|
2502 | |||
2503 | for (v = maxrev; v >= 0 && interesting; v--) { |
|
2503 | for (v = maxrev; v >= 0 && interesting; v--) { | |
2504 | bitmask sv = seen[v]; |
|
2504 | bitmask sv = seen[v]; | |
2505 | int parents[2]; |
|
2505 | int parents[2]; | |
2506 |
|
2506 | |||
2507 | if (!sv) |
|
2507 | if (!sv) | |
2508 | continue; |
|
2508 | continue; | |
2509 |
|
2509 | |||
2510 | if (sv < poison) { |
|
2510 | if (sv < poison) { | |
2511 | interesting -= 1; |
|
2511 | interesting -= 1; | |
2512 | if (sv == allseen) { |
|
2512 | if (sv == allseen) { | |
2513 | PyObject *obj = PyLong_FromLong(v); |
|
2513 | PyObject *obj = PyLong_FromLong(v); | |
2514 | if (obj == NULL) |
|
2514 | if (obj == NULL) | |
2515 | goto bail; |
|
2515 | goto bail; | |
2516 | if (PyList_Append(gca, obj) == -1) { |
|
2516 | if (PyList_Append(gca, obj) == -1) { | |
2517 | Py_DECREF(obj); |
|
2517 | Py_DECREF(obj); | |
2518 | goto bail; |
|
2518 | goto bail; | |
2519 | } |
|
2519 | } | |
2520 | sv |= poison; |
|
2520 | sv |= poison; | |
2521 | for (i = 0; i < revcount; i++) { |
|
2521 | for (i = 0; i < revcount; i++) { | |
2522 | if (revs[i] == v) |
|
2522 | if (revs[i] == v) | |
2523 | goto done; |
|
2523 | goto done; | |
2524 | } |
|
2524 | } | |
2525 | } |
|
2525 | } | |
2526 | } |
|
2526 | } | |
2527 | if (index_get_parents(self, v, parents, maxrev) < 0) |
|
2527 | if (index_get_parents(self, v, parents, maxrev) < 0) | |
2528 | goto bail; |
|
2528 | goto bail; | |
2529 |
|
2529 | |||
2530 | for (i = 0; i < 2; i++) { |
|
2530 | for (i = 0; i < 2; i++) { | |
2531 | int p = parents[i]; |
|
2531 | int p = parents[i]; | |
2532 | if (p == -1) |
|
2532 | if (p == -1) | |
2533 | continue; |
|
2533 | continue; | |
2534 | sp = seen[p]; |
|
2534 | sp = seen[p]; | |
2535 | if (sv < poison) { |
|
2535 | if (sv < poison) { | |
2536 | if (sp == 0) { |
|
2536 | if (sp == 0) { | |
2537 | seen[p] = sv; |
|
2537 | seen[p] = sv; | |
2538 | interesting++; |
|
2538 | interesting++; | |
2539 | } else if (sp != sv) |
|
2539 | } else if (sp != sv) | |
2540 | seen[p] |= sv; |
|
2540 | seen[p] |= sv; | |
2541 | } else { |
|
2541 | } else { | |
2542 | if (sp && sp < poison) |
|
2542 | if (sp && sp < poison) | |
2543 | interesting--; |
|
2543 | interesting--; | |
2544 | seen[p] = sv; |
|
2544 | seen[p] = sv; | |
2545 | } |
|
2545 | } | |
2546 | } |
|
2546 | } | |
2547 | } |
|
2547 | } | |
2548 |
|
2548 | |||
2549 | done: |
|
2549 | done: | |
2550 | free(seen); |
|
2550 | free(seen); | |
2551 | return gca; |
|
2551 | return gca; | |
2552 | bail: |
|
2552 | bail: | |
2553 | free(seen); |
|
2553 | free(seen); | |
2554 | Py_XDECREF(gca); |
|
2554 | Py_XDECREF(gca); | |
2555 | return NULL; |
|
2555 | return NULL; | |
2556 | } |
|
2556 | } | |
2557 |
|
2557 | |||
2558 | /* |
|
2558 | /* | |
2559 | * Given a disjoint set of revs, return the subset with the longest |
|
2559 | * Given a disjoint set of revs, return the subset with the longest | |
2560 | * path to the root. |
|
2560 | * path to the root. | |
2561 | */ |
|
2561 | */ | |
2562 | static PyObject *find_deepest(indexObject *self, PyObject *revs) |
|
2562 | static PyObject *find_deepest(indexObject *self, PyObject *revs) | |
2563 | { |
|
2563 | { | |
2564 | const Py_ssize_t revcount = PyList_GET_SIZE(revs); |
|
2564 | const Py_ssize_t revcount = PyList_GET_SIZE(revs); | |
2565 | static const Py_ssize_t capacity = 24; |
|
2565 | static const Py_ssize_t capacity = 24; | |
2566 | int *depth, *interesting = NULL; |
|
2566 | int *depth, *interesting = NULL; | |
2567 | int i, j, v, ninteresting; |
|
2567 | int i, j, v, ninteresting; | |
2568 | PyObject *dict = NULL, *keys = NULL; |
|
2568 | PyObject *dict = NULL, *keys = NULL; | |
2569 | long *seen = NULL; |
|
2569 | long *seen = NULL; | |
2570 | int maxrev = -1; |
|
2570 | int maxrev = -1; | |
2571 | long final; |
|
2571 | long final; | |
2572 |
|
2572 | |||
2573 | if (revcount > capacity) { |
|
2573 | if (revcount > capacity) { | |
2574 | PyErr_Format(PyExc_OverflowError, |
|
2574 | PyErr_Format(PyExc_OverflowError, | |
2575 | "bitset size (%ld) > capacity (%ld)", |
|
2575 | "bitset size (%ld) > capacity (%ld)", | |
2576 | (long)revcount, (long)capacity); |
|
2576 | (long)revcount, (long)capacity); | |
2577 | return NULL; |
|
2577 | return NULL; | |
2578 | } |
|
2578 | } | |
2579 |
|
2579 | |||
2580 | for (i = 0; i < revcount; i++) { |
|
2580 | for (i = 0; i < revcount; i++) { | |
2581 | int n = (int)PyLong_AsLong(PyList_GET_ITEM(revs, i)); |
|
2581 | int n = (int)PyLong_AsLong(PyList_GET_ITEM(revs, i)); | |
2582 | if (n > maxrev) |
|
2582 | if (n > maxrev) | |
2583 | maxrev = n; |
|
2583 | maxrev = n; | |
2584 | } |
|
2584 | } | |
2585 |
|
2585 | |||
2586 | depth = calloc(sizeof(*depth), maxrev + 1); |
|
2586 | depth = calloc(sizeof(*depth), maxrev + 1); | |
2587 | if (depth == NULL) |
|
2587 | if (depth == NULL) | |
2588 | return PyErr_NoMemory(); |
|
2588 | return PyErr_NoMemory(); | |
2589 |
|
2589 | |||
2590 | seen = calloc(sizeof(*seen), maxrev + 1); |
|
2590 | seen = calloc(sizeof(*seen), maxrev + 1); | |
2591 | if (seen == NULL) { |
|
2591 | if (seen == NULL) { | |
2592 | PyErr_NoMemory(); |
|
2592 | PyErr_NoMemory(); | |
2593 | goto bail; |
|
2593 | goto bail; | |
2594 | } |
|
2594 | } | |
2595 |
|
2595 | |||
2596 | interesting = calloc(sizeof(*interesting), ((size_t)1) << revcount); |
|
2596 | interesting = calloc(sizeof(*interesting), ((size_t)1) << revcount); | |
2597 | if (interesting == NULL) { |
|
2597 | if (interesting == NULL) { | |
2598 | PyErr_NoMemory(); |
|
2598 | PyErr_NoMemory(); | |
2599 | goto bail; |
|
2599 | goto bail; | |
2600 | } |
|
2600 | } | |
2601 |
|
2601 | |||
2602 | if (PyList_Sort(revs) == -1) |
|
2602 | if (PyList_Sort(revs) == -1) | |
2603 | goto bail; |
|
2603 | goto bail; | |
2604 |
|
2604 | |||
2605 | for (i = 0; i < revcount; i++) { |
|
2605 | for (i = 0; i < revcount; i++) { | |
2606 | int n = (int)PyLong_AsLong(PyList_GET_ITEM(revs, i)); |
|
2606 | int n = (int)PyLong_AsLong(PyList_GET_ITEM(revs, i)); | |
2607 | long b = 1l << i; |
|
2607 | long b = 1l << i; | |
2608 | depth[n] = 1; |
|
2608 | depth[n] = 1; | |
2609 | seen[n] = b; |
|
2609 | seen[n] = b; | |
2610 | interesting[b] = 1; |
|
2610 | interesting[b] = 1; | |
2611 | } |
|
2611 | } | |
2612 |
|
2612 | |||
2613 | /* invariant: ninteresting is the number of non-zero entries in |
|
2613 | /* invariant: ninteresting is the number of non-zero entries in | |
2614 | * interesting. */ |
|
2614 | * interesting. */ | |
2615 | ninteresting = (int)revcount; |
|
2615 | ninteresting = (int)revcount; | |
2616 |
|
2616 | |||
2617 | for (v = maxrev; v >= 0 && ninteresting > 1; v--) { |
|
2617 | for (v = maxrev; v >= 0 && ninteresting > 1; v--) { | |
2618 | int dv = depth[v]; |
|
2618 | int dv = depth[v]; | |
2619 | int parents[2]; |
|
2619 | int parents[2]; | |
2620 | long sv; |
|
2620 | long sv; | |
2621 |
|
2621 | |||
2622 | if (dv == 0) |
|
2622 | if (dv == 0) | |
2623 | continue; |
|
2623 | continue; | |
2624 |
|
2624 | |||
2625 | sv = seen[v]; |
|
2625 | sv = seen[v]; | |
2626 | if (index_get_parents(self, v, parents, maxrev) < 0) |
|
2626 | if (index_get_parents(self, v, parents, maxrev) < 0) | |
2627 | goto bail; |
|
2627 | goto bail; | |
2628 |
|
2628 | |||
2629 | for (i = 0; i < 2; i++) { |
|
2629 | for (i = 0; i < 2; i++) { | |
2630 | int p = parents[i]; |
|
2630 | int p = parents[i]; | |
2631 | long sp; |
|
2631 | long sp; | |
2632 | int dp; |
|
2632 | int dp; | |
2633 |
|
2633 | |||
2634 | if (p == -1) |
|
2634 | if (p == -1) | |
2635 | continue; |
|
2635 | continue; | |
2636 |
|
2636 | |||
2637 | dp = depth[p]; |
|
2637 | dp = depth[p]; | |
2638 | sp = seen[p]; |
|
2638 | sp = seen[p]; | |
2639 | if (dp <= dv) { |
|
2639 | if (dp <= dv) { | |
2640 | depth[p] = dv + 1; |
|
2640 | depth[p] = dv + 1; | |
2641 | if (sp != sv) { |
|
2641 | if (sp != sv) { | |
2642 | interesting[sv] += 1; |
|
2642 | interesting[sv] += 1; | |
2643 | seen[p] = sv; |
|
2643 | seen[p] = sv; | |
2644 | if (sp) { |
|
2644 | if (sp) { | |
2645 | interesting[sp] -= 1; |
|
2645 | interesting[sp] -= 1; | |
2646 | if (interesting[sp] == 0) |
|
2646 | if (interesting[sp] == 0) | |
2647 | ninteresting -= 1; |
|
2647 | ninteresting -= 1; | |
2648 | } |
|
2648 | } | |
2649 | } |
|
2649 | } | |
2650 | } else if (dv == dp - 1) { |
|
2650 | } else if (dv == dp - 1) { | |
2651 | long nsp = sp | sv; |
|
2651 | long nsp = sp | sv; | |
2652 | if (nsp == sp) |
|
2652 | if (nsp == sp) | |
2653 | continue; |
|
2653 | continue; | |
2654 | seen[p] = nsp; |
|
2654 | seen[p] = nsp; | |
2655 | interesting[sp] -= 1; |
|
2655 | interesting[sp] -= 1; | |
2656 | if (interesting[sp] == 0) |
|
2656 | if (interesting[sp] == 0) | |
2657 | ninteresting -= 1; |
|
2657 | ninteresting -= 1; | |
2658 | if (interesting[nsp] == 0) |
|
2658 | if (interesting[nsp] == 0) | |
2659 | ninteresting += 1; |
|
2659 | ninteresting += 1; | |
2660 | interesting[nsp] += 1; |
|
2660 | interesting[nsp] += 1; | |
2661 | } |
|
2661 | } | |
2662 | } |
|
2662 | } | |
2663 | interesting[sv] -= 1; |
|
2663 | interesting[sv] -= 1; | |
2664 | if (interesting[sv] == 0) |
|
2664 | if (interesting[sv] == 0) | |
2665 | ninteresting -= 1; |
|
2665 | ninteresting -= 1; | |
2666 | } |
|
2666 | } | |
2667 |
|
2667 | |||
2668 | final = 0; |
|
2668 | final = 0; | |
2669 | j = ninteresting; |
|
2669 | j = ninteresting; | |
2670 | for (i = 0; i < (int)(2 << revcount) && j > 0; i++) { |
|
2670 | for (i = 0; i < (int)(2 << revcount) && j > 0; i++) { | |
2671 | if (interesting[i] == 0) |
|
2671 | if (interesting[i] == 0) | |
2672 | continue; |
|
2672 | continue; | |
2673 | final |= i; |
|
2673 | final |= i; | |
2674 | j -= 1; |
|
2674 | j -= 1; | |
2675 | } |
|
2675 | } | |
2676 | if (final == 0) { |
|
2676 | if (final == 0) { | |
2677 | keys = PyList_New(0); |
|
2677 | keys = PyList_New(0); | |
2678 | goto bail; |
|
2678 | goto bail; | |
2679 | } |
|
2679 | } | |
2680 |
|
2680 | |||
2681 | dict = PyDict_New(); |
|
2681 | dict = PyDict_New(); | |
2682 | if (dict == NULL) |
|
2682 | if (dict == NULL) | |
2683 | goto bail; |
|
2683 | goto bail; | |
2684 |
|
2684 | |||
2685 | for (i = 0; i < revcount; i++) { |
|
2685 | for (i = 0; i < revcount; i++) { | |
2686 | PyObject *key; |
|
2686 | PyObject *key; | |
2687 |
|
2687 | |||
2688 | if ((final & (1 << i)) == 0) |
|
2688 | if ((final & (1 << i)) == 0) | |
2689 | continue; |
|
2689 | continue; | |
2690 |
|
2690 | |||
2691 | key = PyList_GET_ITEM(revs, i); |
|
2691 | key = PyList_GET_ITEM(revs, i); | |
2692 | Py_INCREF(key); |
|
2692 | Py_INCREF(key); | |
2693 | Py_INCREF(Py_None); |
|
2693 | Py_INCREF(Py_None); | |
2694 | if (PyDict_SetItem(dict, key, Py_None) == -1) { |
|
2694 | if (PyDict_SetItem(dict, key, Py_None) == -1) { | |
2695 | Py_DECREF(key); |
|
2695 | Py_DECREF(key); | |
2696 | Py_DECREF(Py_None); |
|
2696 | Py_DECREF(Py_None); | |
2697 | goto bail; |
|
2697 | goto bail; | |
2698 | } |
|
2698 | } | |
2699 | } |
|
2699 | } | |
2700 |
|
2700 | |||
2701 | keys = PyDict_Keys(dict); |
|
2701 | keys = PyDict_Keys(dict); | |
2702 |
|
2702 | |||
2703 | bail: |
|
2703 | bail: | |
2704 | free(depth); |
|
2704 | free(depth); | |
2705 | free(seen); |
|
2705 | free(seen); | |
2706 | free(interesting); |
|
2706 | free(interesting); | |
2707 | Py_XDECREF(dict); |
|
2707 | Py_XDECREF(dict); | |
2708 |
|
2708 | |||
2709 | return keys; |
|
2709 | return keys; | |
2710 | } |
|
2710 | } | |
2711 |
|
2711 | |||
2712 | /* |
|
2712 | /* | |
2713 | * Given a (possibly overlapping) set of revs, return all the |
|
2713 | * Given a (possibly overlapping) set of revs, return all the | |
2714 | * common ancestors heads: heads(::args[0] and ::a[1] and ...) |
|
2714 | * common ancestors heads: heads(::args[0] and ::a[1] and ...) | |
2715 | */ |
|
2715 | */ | |
2716 | static PyObject *index_commonancestorsheads(indexObject *self, PyObject *args) |
|
2716 | static PyObject *index_commonancestorsheads(indexObject *self, PyObject *args) | |
2717 | { |
|
2717 | { | |
2718 | PyObject *ret = NULL; |
|
2718 | PyObject *ret = NULL; | |
2719 | Py_ssize_t argcount, i, len; |
|
2719 | Py_ssize_t argcount, i, len; | |
2720 | bitmask repeat = 0; |
|
2720 | bitmask repeat = 0; | |
2721 | int revcount = 0; |
|
2721 | int revcount = 0; | |
2722 | int *revs; |
|
2722 | int *revs; | |
2723 |
|
2723 | |||
2724 | argcount = PySequence_Length(args); |
|
2724 | argcount = PySequence_Length(args); | |
2725 | revs = PyMem_Malloc(argcount * sizeof(*revs)); |
|
2725 | revs = PyMem_Malloc(argcount * sizeof(*revs)); | |
2726 | if (argcount > 0 && revs == NULL) |
|
2726 | if (argcount > 0 && revs == NULL) | |
2727 | return PyErr_NoMemory(); |
|
2727 | return PyErr_NoMemory(); | |
2728 | len = index_length(self); |
|
2728 | len = index_length(self); | |
2729 |
|
2729 | |||
2730 | for (i = 0; i < argcount; i++) { |
|
2730 | for (i = 0; i < argcount; i++) { | |
2731 | static const int capacity = 24; |
|
2731 | static const int capacity = 24; | |
2732 | PyObject *obj = PySequence_GetItem(args, i); |
|
2732 | PyObject *obj = PySequence_GetItem(args, i); | |
2733 | bitmask x; |
|
2733 | bitmask x; | |
2734 | long val; |
|
2734 | long val; | |
2735 |
|
2735 | |||
2736 | if (!PyLong_Check(obj)) { |
|
2736 | if (!PyLong_Check(obj)) { | |
2737 | PyErr_SetString(PyExc_TypeError, |
|
2737 | PyErr_SetString(PyExc_TypeError, | |
2738 | "arguments must all be ints"); |
|
2738 | "arguments must all be ints"); | |
2739 | Py_DECREF(obj); |
|
2739 | Py_DECREF(obj); | |
2740 | goto bail; |
|
2740 | goto bail; | |
2741 | } |
|
2741 | } | |
2742 | val = PyLong_AsLong(obj); |
|
2742 | val = PyLong_AsLong(obj); | |
2743 | Py_DECREF(obj); |
|
2743 | Py_DECREF(obj); | |
2744 | if (val == -1) { |
|
2744 | if (val == -1) { | |
2745 | ret = PyList_New(0); |
|
2745 | ret = PyList_New(0); | |
2746 | goto done; |
|
2746 | goto done; | |
2747 | } |
|
2747 | } | |
2748 | if (val < 0 || val >= len) { |
|
2748 | if (val < 0 || val >= len) { | |
2749 | PyErr_SetString(PyExc_IndexError, "index out of range"); |
|
2749 | PyErr_SetString(PyExc_IndexError, "index out of range"); | |
2750 | goto bail; |
|
2750 | goto bail; | |
2751 | } |
|
2751 | } | |
2752 | /* this cheesy bloom filter lets us avoid some more |
|
2752 | /* this cheesy bloom filter lets us avoid some more | |
2753 | * expensive duplicate checks in the common set-is-disjoint |
|
2753 | * expensive duplicate checks in the common set-is-disjoint | |
2754 | * case */ |
|
2754 | * case */ | |
2755 | x = 1ull << (val & 0x3f); |
|
2755 | x = 1ull << (val & 0x3f); | |
2756 | if (repeat & x) { |
|
2756 | if (repeat & x) { | |
2757 | int k; |
|
2757 | int k; | |
2758 | for (k = 0; k < revcount; k++) { |
|
2758 | for (k = 0; k < revcount; k++) { | |
2759 | if (val == revs[k]) |
|
2759 | if (val == revs[k]) | |
2760 | goto duplicate; |
|
2760 | goto duplicate; | |
2761 | } |
|
2761 | } | |
2762 | } else |
|
2762 | } else | |
2763 | repeat |= x; |
|
2763 | repeat |= x; | |
2764 | if (revcount >= capacity) { |
|
2764 | if (revcount >= capacity) { | |
2765 | PyErr_Format(PyExc_OverflowError, |
|
2765 | PyErr_Format(PyExc_OverflowError, | |
2766 | "bitset size (%d) > capacity (%d)", |
|
2766 | "bitset size (%d) > capacity (%d)", | |
2767 | revcount, capacity); |
|
2767 | revcount, capacity); | |
2768 | goto bail; |
|
2768 | goto bail; | |
2769 | } |
|
2769 | } | |
2770 | revs[revcount++] = (int)val; |
|
2770 | revs[revcount++] = (int)val; | |
2771 | duplicate:; |
|
2771 | duplicate:; | |
2772 | } |
|
2772 | } | |
2773 |
|
2773 | |||
2774 | if (revcount == 0) { |
|
2774 | if (revcount == 0) { | |
2775 | ret = PyList_New(0); |
|
2775 | ret = PyList_New(0); | |
2776 | goto done; |
|
2776 | goto done; | |
2777 | } |
|
2777 | } | |
2778 | if (revcount == 1) { |
|
2778 | if (revcount == 1) { | |
2779 | PyObject *obj; |
|
2779 | PyObject *obj; | |
2780 | ret = PyList_New(1); |
|
2780 | ret = PyList_New(1); | |
2781 | if (ret == NULL) |
|
2781 | if (ret == NULL) | |
2782 | goto bail; |
|
2782 | goto bail; | |
2783 | obj = PyLong_FromLong(revs[0]); |
|
2783 | obj = PyLong_FromLong(revs[0]); | |
2784 | if (obj == NULL) |
|
2784 | if (obj == NULL) | |
2785 | goto bail; |
|
2785 | goto bail; | |
2786 | PyList_SET_ITEM(ret, 0, obj); |
|
2786 | PyList_SET_ITEM(ret, 0, obj); | |
2787 | goto done; |
|
2787 | goto done; | |
2788 | } |
|
2788 | } | |
2789 |
|
2789 | |||
2790 | ret = find_gca_candidates(self, revs, revcount); |
|
2790 | ret = find_gca_candidates(self, revs, revcount); | |
2791 | if (ret == NULL) |
|
2791 | if (ret == NULL) | |
2792 | goto bail; |
|
2792 | goto bail; | |
2793 |
|
2793 | |||
2794 | done: |
|
2794 | done: | |
2795 | PyMem_Free(revs); |
|
2795 | PyMem_Free(revs); | |
2796 | return ret; |
|
2796 | return ret; | |
2797 |
|
2797 | |||
2798 | bail: |
|
2798 | bail: | |
2799 | PyMem_Free(revs); |
|
2799 | PyMem_Free(revs); | |
2800 | Py_XDECREF(ret); |
|
2800 | Py_XDECREF(ret); | |
2801 | return NULL; |
|
2801 | return NULL; | |
2802 | } |
|
2802 | } | |
2803 |
|
2803 | |||
2804 | /* |
|
2804 | /* | |
2805 | * Given a (possibly overlapping) set of revs, return the greatest |
|
2805 | * Given a (possibly overlapping) set of revs, return the greatest | |
2806 | * common ancestors: those with the longest path to the root. |
|
2806 | * common ancestors: those with the longest path to the root. | |
2807 | */ |
|
2807 | */ | |
2808 | static PyObject *index_ancestors(indexObject *self, PyObject *args) |
|
2808 | static PyObject *index_ancestors(indexObject *self, PyObject *args) | |
2809 | { |
|
2809 | { | |
2810 | PyObject *ret; |
|
2810 | PyObject *ret; | |
2811 | PyObject *gca = index_commonancestorsheads(self, args); |
|
2811 | PyObject *gca = index_commonancestorsheads(self, args); | |
2812 | if (gca == NULL) |
|
2812 | if (gca == NULL) | |
2813 | return NULL; |
|
2813 | return NULL; | |
2814 |
|
2814 | |||
2815 | if (PyList_GET_SIZE(gca) <= 1) { |
|
2815 | if (PyList_GET_SIZE(gca) <= 1) { | |
2816 | return gca; |
|
2816 | return gca; | |
2817 | } |
|
2817 | } | |
2818 |
|
2818 | |||
2819 | ret = find_deepest(self, gca); |
|
2819 | ret = find_deepest(self, gca); | |
2820 | Py_DECREF(gca); |
|
2820 | Py_DECREF(gca); | |
2821 | return ret; |
|
2821 | return ret; | |
2822 | } |
|
2822 | } | |
2823 |
|
2823 | |||
2824 | /* |
|
2824 | /* | |
2825 | * Invalidate any trie entries introduced by added revs. |
|
2825 | * Invalidate any trie entries introduced by added revs. | |
2826 | */ |
|
2826 | */ | |
2827 | static void index_invalidate_added(indexObject *self, Py_ssize_t start) |
|
2827 | static void index_invalidate_added(indexObject *self, Py_ssize_t start) | |
2828 | { |
|
2828 | { | |
2829 | Py_ssize_t i, len; |
|
2829 | Py_ssize_t i, len; | |
2830 |
|
2830 | |||
2831 | len = self->length + self->new_length; |
|
2831 | len = self->length + self->new_length; | |
2832 | i = start - self->length; |
|
2832 | i = start - self->length; | |
2833 | if (i < 0) |
|
2833 | if (i < 0) | |
2834 | return; |
|
2834 | return; | |
2835 |
|
2835 | |||
2836 | for (i = start; i < len; i++) { |
|
2836 | for (i = start; i < len; i++) { | |
2837 | const char *node = index_node(self, i); |
|
2837 | const char *node = index_node(self, i); | |
2838 | nt_delete_node(&self->nt, node); |
|
2838 | nt_delete_node(&self->nt, node); | |
2839 | } |
|
2839 | } | |
2840 |
|
2840 | |||
2841 | self->new_length = start - self->length; |
|
2841 | self->new_length = start - self->length; | |
2842 | } |
|
2842 | } | |
2843 |
|
2843 | |||
2844 | /* |
|
2844 | /* | |
2845 | * Delete a numeric range of revs, which must be at the end of the |
|
2845 | * Delete a numeric range of revs, which must be at the end of the | |
2846 | * range. |
|
2846 | * range. | |
2847 | */ |
|
2847 | */ | |
2848 | static int index_slice_del(indexObject *self, PyObject *item) |
|
2848 | static int index_slice_del(indexObject *self, PyObject *item) | |
2849 | { |
|
2849 | { | |
2850 | Py_ssize_t start, stop, step, slicelength; |
|
2850 | Py_ssize_t start, stop, step, slicelength; | |
2851 | Py_ssize_t length = index_length(self) + 1; |
|
2851 | Py_ssize_t length = index_length(self) + 1; | |
2852 | int ret = 0; |
|
2852 | int ret = 0; | |
2853 |
|
2853 | |||
2854 | if (PySlice_GetIndicesEx(item, length, &start, &stop, &step, |
|
2854 | if (PySlice_GetIndicesEx(item, length, &start, &stop, &step, | |
2855 | &slicelength) < 0) |
|
2855 | &slicelength) < 0) | |
2856 | return -1; |
|
2856 | return -1; | |
2857 |
|
2857 | |||
2858 | if (slicelength <= 0) |
|
2858 | if (slicelength <= 0) | |
2859 | return 0; |
|
2859 | return 0; | |
2860 |
|
2860 | |||
2861 | if ((step < 0 && start < stop) || (step > 0 && start > stop)) |
|
2861 | if ((step < 0 && start < stop) || (step > 0 && start > stop)) | |
2862 | stop = start; |
|
2862 | stop = start; | |
2863 |
|
2863 | |||
2864 | if (step < 0) { |
|
2864 | if (step < 0) { | |
2865 | stop = start + 1; |
|
2865 | stop = start + 1; | |
2866 | start = stop + step * (slicelength - 1) - 1; |
|
2866 | start = stop + step * (slicelength - 1) - 1; | |
2867 | step = -step; |
|
2867 | step = -step; | |
2868 | } |
|
2868 | } | |
2869 |
|
2869 | |||
2870 | if (step != 1) { |
|
2870 | if (step != 1) { | |
2871 | PyErr_SetString(PyExc_ValueError, |
|
2871 | PyErr_SetString(PyExc_ValueError, | |
2872 | "revlog index delete requires step size of 1"); |
|
2872 | "revlog index delete requires step size of 1"); | |
2873 | return -1; |
|
2873 | return -1; | |
2874 | } |
|
2874 | } | |
2875 |
|
2875 | |||
2876 | if (stop != length - 1) { |
|
2876 | if (stop != length - 1) { | |
2877 | PyErr_SetString(PyExc_IndexError, |
|
2877 | PyErr_SetString(PyExc_IndexError, | |
2878 | "revlog index deletion indices are invalid"); |
|
2878 | "revlog index deletion indices are invalid"); | |
2879 | return -1; |
|
2879 | return -1; | |
2880 | } |
|
2880 | } | |
2881 |
|
2881 | |||
2882 | if (start < self->length) { |
|
2882 | if (start < self->length) { | |
2883 | if (self->ntinitialized) { |
|
2883 | if (self->ntinitialized) { | |
2884 | Py_ssize_t i; |
|
2884 | Py_ssize_t i; | |
2885 |
|
2885 | |||
2886 | for (i = start; i < self->length; i++) { |
|
2886 | for (i = start; i < self->length; i++) { | |
2887 | const char *node = index_node_existing(self, i); |
|
2887 | const char *node = index_node_existing(self, i); | |
2888 | if (node == NULL) |
|
2888 | if (node == NULL) | |
2889 | return -1; |
|
2889 | return -1; | |
2890 |
|
2890 | |||
2891 | nt_delete_node(&self->nt, node); |
|
2891 | nt_delete_node(&self->nt, node); | |
2892 | } |
|
2892 | } | |
2893 | if (self->new_length) |
|
2893 | if (self->new_length) | |
2894 | index_invalidate_added(self, self->length); |
|
2894 | index_invalidate_added(self, self->length); | |
2895 | if (self->ntrev > start) |
|
2895 | if (self->ntrev > start) | |
2896 | self->ntrev = (int)start; |
|
2896 | self->ntrev = (int)start; | |
2897 | } else if (self->new_length) { |
|
2897 | } else if (self->new_length) { | |
2898 | self->new_length = 0; |
|
2898 | self->new_length = 0; | |
2899 | } |
|
2899 | } | |
2900 |
|
2900 | |||
2901 | self->length = start; |
|
2901 | self->length = start; | |
2902 | goto done; |
|
2902 | goto done; | |
2903 | } |
|
2903 | } | |
2904 |
|
2904 | |||
2905 | if (self->ntinitialized) { |
|
2905 | if (self->ntinitialized) { | |
2906 | index_invalidate_added(self, start); |
|
2906 | index_invalidate_added(self, start); | |
2907 | if (self->ntrev > start) |
|
2907 | if (self->ntrev > start) | |
2908 | self->ntrev = (int)start; |
|
2908 | self->ntrev = (int)start; | |
2909 | } else { |
|
2909 | } else { | |
2910 | self->new_length = start - self->length; |
|
2910 | self->new_length = start - self->length; | |
2911 | } |
|
2911 | } | |
2912 | done: |
|
2912 | done: | |
2913 | Py_CLEAR(self->headrevs); |
|
2913 | Py_CLEAR(self->headrevs); | |
2914 | return ret; |
|
2914 | return ret; | |
2915 | } |
|
2915 | } | |
2916 |
|
2916 | |||
2917 | /* |
|
2917 | /* | |
2918 | * Supported ops: |
|
2918 | * Supported ops: | |
2919 | * |
|
2919 | * | |
2920 | * slice deletion |
|
2920 | * slice deletion | |
2921 | * string assignment (extend node->rev mapping) |
|
2921 | * string assignment (extend node->rev mapping) | |
2922 | * string deletion (shrink node->rev mapping) |
|
2922 | * string deletion (shrink node->rev mapping) | |
2923 | */ |
|
2923 | */ | |
2924 | static int index_assign_subscript(indexObject *self, PyObject *item, |
|
2924 | static int index_assign_subscript(indexObject *self, PyObject *item, | |
2925 | PyObject *value) |
|
2925 | PyObject *value) | |
2926 | { |
|
2926 | { | |
2927 | char *node; |
|
2927 | char *node; | |
2928 | long rev; |
|
2928 | long rev; | |
2929 |
|
2929 | |||
2930 | if (PySlice_Check(item) && value == NULL) |
|
2930 | if (PySlice_Check(item) && value == NULL) | |
2931 | return index_slice_del(self, item); |
|
2931 | return index_slice_del(self, item); | |
2932 |
|
2932 | |||
2933 | if (node_check(self->nodelen, item, &node) == -1) |
|
2933 | if (node_check(self->nodelen, item, &node) == -1) | |
2934 | return -1; |
|
2934 | return -1; | |
2935 |
|
2935 | |||
2936 | if (value == NULL) |
|
2936 | if (value == NULL) | |
2937 | return self->ntinitialized ? nt_delete_node(&self->nt, node) |
|
2937 | return self->ntinitialized ? nt_delete_node(&self->nt, node) | |
2938 | : 0; |
|
2938 | : 0; | |
2939 | rev = PyLong_AsLong(value); |
|
2939 | rev = PyLong_AsLong(value); | |
2940 | if (rev > INT_MAX || rev < 0) { |
|
2940 | if (rev > INT_MAX || rev < 0) { | |
2941 | if (!PyErr_Occurred()) |
|
2941 | if (!PyErr_Occurred()) | |
2942 | PyErr_SetString(PyExc_ValueError, "rev out of range"); |
|
2942 | PyErr_SetString(PyExc_ValueError, "rev out of range"); | |
2943 | return -1; |
|
2943 | return -1; | |
2944 | } |
|
2944 | } | |
2945 |
|
2945 | |||
2946 | if (index_init_nt(self) == -1) |
|
2946 | if (index_init_nt(self) == -1) | |
2947 | return -1; |
|
2947 | return -1; | |
2948 | return nt_insert(&self->nt, node, (int)rev); |
|
2948 | return nt_insert(&self->nt, node, (int)rev); | |
2949 | } |
|
2949 | } | |
2950 |
|
2950 | |||
2951 | /* |
|
2951 | /* | |
2952 | * Find all RevlogNG entries in an index that has inline data. Update |
|
2952 | * Find all RevlogNG entries in an index that has inline data. Update | |
2953 | * the optional "offsets" table with those entries. |
|
2953 | * the optional "offsets" table with those entries. | |
2954 | */ |
|
2954 | */ | |
2955 | static Py_ssize_t inline_scan(indexObject *self, const char **offsets) |
|
2955 | static Py_ssize_t inline_scan(indexObject *self, const char **offsets) | |
2956 | { |
|
2956 | { | |
2957 | const char *data = (const char *)self->buf.buf; |
|
2957 | const char *data = (const char *)self->buf.buf; | |
2958 | Py_ssize_t pos = 0; |
|
2958 | Py_ssize_t pos = 0; | |
2959 | Py_ssize_t end = self->buf.len; |
|
2959 | Py_ssize_t end = self->buf.len; | |
2960 | long incr = self->entry_size; |
|
2960 | long incr = self->entry_size; | |
2961 | Py_ssize_t len = 0; |
|
2961 | Py_ssize_t len = 0; | |
2962 |
|
2962 | |||
2963 | while (pos + self->entry_size <= end && pos >= 0) { |
|
2963 | while (pos + self->entry_size <= end && pos >= 0) { | |
2964 | uint32_t comp_len, sidedata_comp_len = 0; |
|
2964 | uint32_t comp_len, sidedata_comp_len = 0; | |
2965 | /* 3rd element of header is length of compressed inline data */ |
|
2965 | /* 3rd element of header is length of compressed inline data */ | |
2966 | if (self->format_version == format_v1) { |
|
2966 | if (self->format_version == format_v1) { | |
2967 | comp_len = |
|
2967 | comp_len = | |
2968 | getbe32(data + pos + entry_v1_offset_comp_len); |
|
2968 | getbe32(data + pos + entry_v1_offset_comp_len); | |
2969 | sidedata_comp_len = 0; |
|
2969 | sidedata_comp_len = 0; | |
2970 | } else if (self->format_version == format_v2) { |
|
2970 | } else if (self->format_version == format_v2) { | |
2971 | comp_len = |
|
2971 | comp_len = | |
2972 | getbe32(data + pos + entry_v2_offset_comp_len); |
|
2972 | getbe32(data + pos + entry_v2_offset_comp_len); | |
2973 | sidedata_comp_len = getbe32( |
|
2973 | sidedata_comp_len = getbe32( | |
2974 | data + pos + entry_v2_offset_sidedata_comp_len); |
|
2974 | data + pos + entry_v2_offset_sidedata_comp_len); | |
2975 | } else { |
|
2975 | } else { | |
2976 | raise_revlog_error(); |
|
2976 | raise_revlog_error(); | |
2977 | return -1; |
|
2977 | return -1; | |
2978 | } |
|
2978 | } | |
2979 | incr = self->entry_size + comp_len + sidedata_comp_len; |
|
2979 | incr = self->entry_size + comp_len + sidedata_comp_len; | |
2980 | if (offsets) |
|
2980 | if (offsets) | |
2981 | offsets[len] = data + pos; |
|
2981 | offsets[len] = data + pos; | |
2982 | len++; |
|
2982 | len++; | |
2983 | pos += incr; |
|
2983 | pos += incr; | |
2984 | } |
|
2984 | } | |
2985 |
|
2985 | |||
2986 | if (pos != end) { |
|
2986 | if (pos != end) { | |
2987 | if (!PyErr_Occurred()) |
|
2987 | if (!PyErr_Occurred()) | |
2988 | PyErr_SetString(PyExc_ValueError, "corrupt index file"); |
|
2988 | PyErr_SetString(PyExc_ValueError, "corrupt index file"); | |
2989 | return -1; |
|
2989 | return -1; | |
2990 | } |
|
2990 | } | |
2991 |
|
2991 | |||
2992 | return len; |
|
2992 | return len; | |
2993 | } |
|
2993 | } | |
2994 |
|
2994 | |||
2995 | static int index_init(indexObject *self, PyObject *args, PyObject *kwargs) |
|
2995 | static int index_init(indexObject *self, PyObject *args, PyObject *kwargs) | |
2996 | { |
|
2996 | { | |
2997 | PyObject *data_obj, *inlined_obj; |
|
2997 | PyObject *data_obj, *inlined_obj; | |
2998 | Py_ssize_t size; |
|
2998 | Py_ssize_t size; | |
2999 |
|
2999 | |||
3000 | static char *kwlist[] = {"data", "inlined", "format", NULL}; |
|
3000 | static char *kwlist[] = {"data", "inlined", "format", NULL}; | |
3001 |
|
3001 | |||
3002 | /* Initialize before argument-checking to avoid index_dealloc() crash. |
|
3002 | /* Initialize before argument-checking to avoid index_dealloc() crash. | |
3003 | */ |
|
3003 | */ | |
3004 | self->added = NULL; |
|
3004 | self->added = NULL; | |
3005 | self->new_length = 0; |
|
3005 | self->new_length = 0; | |
3006 | self->added_length = 0; |
|
3006 | self->added_length = 0; | |
3007 | self->data = NULL; |
|
3007 | self->data = NULL; | |
3008 | memset(&self->buf, 0, sizeof(self->buf)); |
|
3008 | memset(&self->buf, 0, sizeof(self->buf)); | |
3009 | self->headrevs = NULL; |
|
3009 | self->headrevs = NULL; | |
3010 | self->filteredrevs = Py_None; |
|
3010 | self->filteredrevs = Py_None; | |
3011 | Py_INCREF(Py_None); |
|
3011 | Py_INCREF(Py_None); | |
3012 | self->ntinitialized = 0; |
|
3012 | self->ntinitialized = 0; | |
3013 | self->offsets = NULL; |
|
3013 | self->offsets = NULL; | |
3014 | self->nodelen = 20; |
|
3014 | self->nodelen = 20; | |
3015 | self->nullentry = NULL; |
|
3015 | self->nullentry = NULL; | |
3016 | self->rust_ext_compat = 1; |
|
3016 | self->rust_ext_compat = 1; | |
3017 | self->format_version = format_v1; |
|
3017 | self->format_version = format_v1; | |
3018 |
|
3018 | |||
3019 | if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OO|l", kwlist, |
|
3019 | if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OO|l", kwlist, | |
3020 | &data_obj, &inlined_obj, |
|
3020 | &data_obj, &inlined_obj, | |
3021 | &(self->format_version))) |
|
3021 | &(self->format_version))) | |
3022 | return -1; |
|
3022 | return -1; | |
3023 | if (!PyObject_CheckBuffer(data_obj)) { |
|
3023 | if (!PyObject_CheckBuffer(data_obj)) { | |
3024 | PyErr_SetString(PyExc_TypeError, |
|
3024 | PyErr_SetString(PyExc_TypeError, | |
3025 | "data does not support buffer interface"); |
|
3025 | "data does not support buffer interface"); | |
3026 | return -1; |
|
3026 | return -1; | |
3027 | } |
|
3027 | } | |
3028 | if (self->nodelen < 20 || self->nodelen > (Py_ssize_t)sizeof(nullid)) { |
|
3028 | if (self->nodelen < 20 || self->nodelen > (Py_ssize_t)sizeof(nullid)) { | |
3029 | PyErr_SetString(PyExc_RuntimeError, "unsupported node size"); |
|
3029 | PyErr_SetString(PyExc_RuntimeError, "unsupported node size"); | |
3030 | return -1; |
|
3030 | return -1; | |
3031 | } |
|
3031 | } | |
3032 |
|
3032 | |||
3033 | if (self->format_version == format_v1) { |
|
3033 | if (self->format_version == format_v1) { | |
3034 | self->entry_size = v1_entry_size; |
|
3034 | self->entry_size = v1_entry_size; | |
3035 | } else if (self->format_version == format_v2) { |
|
3035 | } else if (self->format_version == format_v2) { | |
3036 | self->entry_size = v2_entry_size; |
|
3036 | self->entry_size = v2_entry_size; | |
3037 | } else if (self->format_version == format_cl2) { |
|
3037 | } else if (self->format_version == format_cl2) { | |
3038 | self->entry_size = cl2_entry_size; |
|
3038 | self->entry_size = cl2_entry_size; | |
3039 | } |
|
3039 | } | |
3040 |
|
3040 | |||
3041 | self->nullentry = Py_BuildValue( |
|
3041 | self->nullentry = Py_BuildValue( | |
3042 | "iiiiiiiy#iiBBi", 0, 0, 0, -1, -1, -1, -1, nullid, self->nodelen, 0, |
|
3042 | "iiiiiiiy#iiBBi", 0, 0, 0, -1, -1, -1, -1, nullid, self->nodelen, 0, | |
3043 | 0, comp_mode_inline, comp_mode_inline, rank_unknown); |
|
3043 | 0, comp_mode_inline, comp_mode_inline, rank_unknown); | |
3044 |
|
3044 | |||
3045 | if (!self->nullentry) |
|
3045 | if (!self->nullentry) | |
3046 | return -1; |
|
3046 | return -1; | |
3047 | PyObject_GC_UnTrack(self->nullentry); |
|
3047 | PyObject_GC_UnTrack(self->nullentry); | |
3048 |
|
3048 | |||
3049 | if (PyObject_GetBuffer(data_obj, &self->buf, PyBUF_SIMPLE) == -1) |
|
3049 | if (PyObject_GetBuffer(data_obj, &self->buf, PyBUF_SIMPLE) == -1) | |
3050 | return -1; |
|
3050 | return -1; | |
3051 | size = self->buf.len; |
|
3051 | size = self->buf.len; | |
3052 |
|
3052 | |||
3053 | self->inlined = inlined_obj && PyObject_IsTrue(inlined_obj); |
|
3053 | self->inlined = inlined_obj && PyObject_IsTrue(inlined_obj); | |
3054 | self->data = data_obj; |
|
3054 | self->data = data_obj; | |
3055 |
|
3055 | |||
3056 | self->ntlookups = self->ntmisses = 0; |
|
3056 | self->ntlookups = self->ntmisses = 0; | |
3057 | self->ntrev = -1; |
|
3057 | self->ntrev = -1; | |
3058 | Py_INCREF(self->data); |
|
3058 | Py_INCREF(self->data); | |
3059 |
|
3059 | |||
3060 | if (self->inlined) { |
|
3060 | if (self->inlined) { | |
3061 | Py_ssize_t len = inline_scan(self, NULL); |
|
3061 | Py_ssize_t len = inline_scan(self, NULL); | |
3062 | if (len == -1) |
|
3062 | if (len == -1) | |
3063 | goto bail; |
|
3063 | goto bail; | |
3064 | self->length = len; |
|
3064 | self->length = len; | |
3065 | } else { |
|
3065 | } else { | |
3066 | if (size % self->entry_size) { |
|
3066 | if (size % self->entry_size) { | |
3067 | PyErr_SetString(PyExc_ValueError, "corrupt index file"); |
|
3067 | PyErr_SetString(PyExc_ValueError, "corrupt index file"); | |
3068 | goto bail; |
|
3068 | goto bail; | |
3069 | } |
|
3069 | } | |
3070 | self->length = size / self->entry_size; |
|
3070 | self->length = size / self->entry_size; | |
3071 | } |
|
3071 | } | |
3072 |
|
3072 | |||
3073 | return 0; |
|
3073 | return 0; | |
3074 | bail: |
|
3074 | bail: | |
3075 | return -1; |
|
3075 | return -1; | |
3076 | } |
|
3076 | } | |
3077 |
|
3077 | |||
3078 | static PyObject *index_nodemap(indexObject *self) |
|
3078 | static PyObject *index_nodemap(indexObject *self) | |
3079 | { |
|
3079 | { | |
3080 | Py_INCREF(self); |
|
3080 | Py_INCREF(self); | |
3081 | return (PyObject *)self; |
|
3081 | return (PyObject *)self; | |
3082 | } |
|
3082 | } | |
3083 |
|
3083 | |||
3084 | static void _index_clearcaches(indexObject *self) |
|
3084 | static void _index_clearcaches(indexObject *self) | |
3085 | { |
|
3085 | { | |
3086 | if (self->offsets) { |
|
3086 | if (self->offsets) { | |
3087 | PyMem_Free((void *)self->offsets); |
|
3087 | PyMem_Free((void *)self->offsets); | |
3088 | self->offsets = NULL; |
|
3088 | self->offsets = NULL; | |
3089 | } |
|
3089 | } | |
3090 | if (self->ntinitialized) { |
|
3090 | if (self->ntinitialized) { | |
3091 | nt_dealloc(&self->nt); |
|
3091 | nt_dealloc(&self->nt); | |
3092 | } |
|
3092 | } | |
3093 | self->ntinitialized = 0; |
|
3093 | self->ntinitialized = 0; | |
3094 | Py_CLEAR(self->headrevs); |
|
3094 | Py_CLEAR(self->headrevs); | |
3095 | } |
|
3095 | } | |
3096 |
|
3096 | |||
3097 | static PyObject *index_clearcaches(indexObject *self) |
|
3097 | static PyObject *index_clearcaches(indexObject *self) | |
3098 | { |
|
3098 | { | |
3099 | _index_clearcaches(self); |
|
3099 | _index_clearcaches(self); | |
3100 | self->ntrev = -1; |
|
3100 | self->ntrev = -1; | |
3101 | self->ntlookups = self->ntmisses = 0; |
|
3101 | self->ntlookups = self->ntmisses = 0; | |
3102 | Py_RETURN_NONE; |
|
3102 | Py_RETURN_NONE; | |
3103 | } |
|
3103 | } | |
3104 |
|
3104 | |||
3105 | static void index_dealloc(indexObject *self) |
|
3105 | static void index_dealloc(indexObject *self) | |
3106 | { |
|
3106 | { | |
3107 | _index_clearcaches(self); |
|
3107 | _index_clearcaches(self); | |
3108 | Py_XDECREF(self->filteredrevs); |
|
3108 | Py_XDECREF(self->filteredrevs); | |
3109 | if (self->buf.buf) { |
|
3109 | if (self->buf.buf) { | |
3110 | PyBuffer_Release(&self->buf); |
|
3110 | PyBuffer_Release(&self->buf); | |
3111 | memset(&self->buf, 0, sizeof(self->buf)); |
|
3111 | memset(&self->buf, 0, sizeof(self->buf)); | |
3112 | } |
|
3112 | } | |
3113 | Py_XDECREF(self->data); |
|
3113 | Py_XDECREF(self->data); | |
3114 | PyMem_Free(self->added); |
|
3114 | PyMem_Free(self->added); | |
3115 | Py_XDECREF(self->nullentry); |
|
3115 | Py_XDECREF(self->nullentry); | |
3116 | PyObject_Del(self); |
|
3116 | PyObject_Del(self); | |
3117 | } |
|
3117 | } | |
3118 |
|
3118 | |||
3119 | static PySequenceMethods index_sequence_methods = { |
|
3119 | static PySequenceMethods index_sequence_methods = { | |
3120 | (lenfunc)index_length, /* sq_length */ |
|
3120 | (lenfunc)index_length, /* sq_length */ | |
3121 | 0, /* sq_concat */ |
|
3121 | 0, /* sq_concat */ | |
3122 | 0, /* sq_repeat */ |
|
3122 | 0, /* sq_repeat */ | |
3123 | (ssizeargfunc)index_get, /* sq_item */ |
|
3123 | (ssizeargfunc)index_get, /* sq_item */ | |
3124 | 0, /* sq_slice */ |
|
3124 | 0, /* sq_slice */ | |
3125 | 0, /* sq_ass_item */ |
|
3125 | 0, /* sq_ass_item */ | |
3126 | 0, /* sq_ass_slice */ |
|
3126 | 0, /* sq_ass_slice */ | |
3127 | (objobjproc)index_contains, /* sq_contains */ |
|
3127 | (objobjproc)index_contains, /* sq_contains */ | |
3128 | }; |
|
3128 | }; | |
3129 |
|
3129 | |||
3130 | static PyMappingMethods index_mapping_methods = { |
|
3130 | static PyMappingMethods index_mapping_methods = { | |
3131 | (lenfunc)index_length, /* mp_length */ |
|
3131 | (lenfunc)index_length, /* mp_length */ | |
3132 | (binaryfunc)index_getitem, /* mp_subscript */ |
|
3132 | (binaryfunc)index_getitem, /* mp_subscript */ | |
3133 | (objobjargproc)index_assign_subscript, /* mp_ass_subscript */ |
|
3133 | (objobjargproc)index_assign_subscript, /* mp_ass_subscript */ | |
3134 | }; |
|
3134 | }; | |
3135 |
|
3135 | |||
3136 | static PyMethodDef index_methods[] = { |
|
3136 | static PyMethodDef index_methods[] = { | |
3137 | {"ancestors", (PyCFunction)index_ancestors, METH_VARARGS, |
|
3137 | {"ancestors", (PyCFunction)index_ancestors, METH_VARARGS, | |
3138 | "return the gca set of the given revs"}, |
|
3138 | "return the gca set of the given revs"}, | |
3139 | {"commonancestorsheads", (PyCFunction)index_commonancestorsheads, |
|
3139 | {"commonancestorsheads", (PyCFunction)index_commonancestorsheads, | |
3140 | METH_VARARGS, |
|
3140 | METH_VARARGS, | |
3141 | "return the heads of the common ancestors of the given revs"}, |
|
3141 | "return the heads of the common ancestors of the given revs"}, | |
3142 | {"clearcaches", (PyCFunction)index_clearcaches, METH_NOARGS, |
|
3142 | {"clearcaches", (PyCFunction)index_clearcaches, METH_NOARGS, | |
3143 | "clear the index caches"}, |
|
3143 | "clear the index caches"}, | |
3144 | {"get", (PyCFunction)index_m_get, METH_VARARGS, "get an index entry"}, |
|
3144 | {"get", (PyCFunction)index_m_get, METH_VARARGS, "get an index entry"}, | |
3145 | {"get_rev", (PyCFunction)index_m_get, METH_VARARGS, |
|
3145 | {"get_rev", (PyCFunction)index_m_get, METH_VARARGS, | |
3146 | "return `rev` associated with a node or None"}, |
|
3146 | "return `rev` associated with a node or None"}, | |
3147 | {"has_node", (PyCFunction)index_m_has_node, METH_O, |
|
3147 | {"has_node", (PyCFunction)index_m_has_node, METH_O, | |
3148 | "return True if the node exist in the index"}, |
|
3148 | "return True if the node exist in the index"}, | |
3149 | {"rev", (PyCFunction)index_m_rev, METH_O, |
|
3149 | {"rev", (PyCFunction)index_m_rev, METH_O, | |
3150 | "return `rev` associated with a node or raise RevlogError"}, |
|
3150 | "return `rev` associated with a node or raise RevlogError"}, | |
3151 | {"computephasesmapsets", (PyCFunction)compute_phases_map_sets, METH_VARARGS, |
|
3151 | {"computephasesmapsets", (PyCFunction)compute_phases_map_sets, METH_VARARGS, | |
3152 | "compute phases"}, |
|
3152 | "compute phases"}, | |
3153 | {"reachableroots2", (PyCFunction)reachableroots2, METH_VARARGS, |
|
3153 | {"reachableroots2", (PyCFunction)reachableroots2, METH_VARARGS, | |
3154 | "reachableroots"}, |
|
3154 | "reachableroots"}, | |
3155 | {"replace_sidedata_info", (PyCFunction)index_replace_sidedata_info, |
|
3155 | {"replace_sidedata_info", (PyCFunction)index_replace_sidedata_info, | |
3156 | METH_VARARGS, "replace an existing index entry with a new value"}, |
|
3156 | METH_VARARGS, "replace an existing index entry with a new value"}, | |
3157 | {"headrevs", (PyCFunction)index_headrevs, METH_VARARGS, |
|
3157 | {"headrevs", (PyCFunction)index_headrevs, METH_VARARGS, | |
3158 | "get head revisions"}, /* Can do filtering since 3.2 */ |
|
3158 | "get head revisions"}, /* Can do filtering since 3.2 */ | |
3159 | {"headrevsfiltered", (PyCFunction)index_headrevs, METH_VARARGS, |
|
3159 | {"headrevsfiltered", (PyCFunction)index_headrevs, METH_VARARGS, | |
3160 | "get filtered head revisions"}, /* Can always do filtering */ |
|
3160 | "get filtered head revisions"}, /* Can always do filtering */ | |
3161 | {"issnapshot", (PyCFunction)index_issnapshot, METH_O, |
|
3161 | {"issnapshot", (PyCFunction)index_issnapshot, METH_O, | |
3162 | "True if the object is a snapshot"}, |
|
3162 | "True if the object is a snapshot"}, | |
3163 | {"findsnapshots", (PyCFunction)index_findsnapshots, METH_VARARGS, |
|
3163 | {"findsnapshots", (PyCFunction)index_findsnapshots, METH_VARARGS, | |
3164 | "Gather snapshot data in a cache dict"}, |
|
3164 | "Gather snapshot data in a cache dict"}, | |
3165 | {"deltachain", (PyCFunction)index_deltachain, METH_VARARGS, |
|
3165 | {"deltachain", (PyCFunction)index_deltachain, METH_VARARGS, | |
3166 | "determine revisions with deltas to reconstruct fulltext"}, |
|
3166 | "determine revisions with deltas to reconstruct fulltext"}, | |
3167 | {"slicechunktodensity", (PyCFunction)index_slicechunktodensity, |
|
3167 | {"slicechunktodensity", (PyCFunction)index_slicechunktodensity, | |
3168 | METH_VARARGS, "determine revisions with deltas to reconstruct fulltext"}, |
|
3168 | METH_VARARGS, "determine revisions with deltas to reconstruct fulltext"}, | |
3169 | {"append", (PyCFunction)index_append, METH_O, "append an index entry"}, |
|
3169 | {"append", (PyCFunction)index_append, METH_O, "append an index entry"}, | |
3170 | {"partialmatch", (PyCFunction)index_partialmatch, METH_VARARGS, |
|
3170 | {"partialmatch", (PyCFunction)index_partialmatch, METH_VARARGS, | |
3171 | "match a potentially ambiguous node ID"}, |
|
3171 | "match a potentially ambiguous node ID"}, | |
3172 | {"shortest", (PyCFunction)index_shortest, METH_VARARGS, |
|
3172 | {"shortest", (PyCFunction)index_shortest, METH_VARARGS, | |
3173 | "find length of shortest hex nodeid of a binary ID"}, |
|
3173 | "find length of shortest hex nodeid of a binary ID"}, | |
3174 | {"stats", (PyCFunction)index_stats, METH_NOARGS, "stats for the index"}, |
|
3174 | {"stats", (PyCFunction)index_stats, METH_NOARGS, "stats for the index"}, | |
3175 | {"entry_binary", (PyCFunction)index_entry_binary, METH_O, |
|
3175 | {"entry_binary", (PyCFunction)index_entry_binary, METH_O, | |
3176 | "return an entry in binary form"}, |
|
3176 | "return an entry in binary form"}, | |
3177 | {"pack_header", (PyCFunction)index_pack_header, METH_VARARGS, |
|
3177 | {"pack_header", (PyCFunction)index_pack_header, METH_VARARGS, | |
3178 | "pack the revlog header information into binary"}, |
|
3178 | "pack the revlog header information into binary"}, | |
3179 | {NULL} /* Sentinel */ |
|
3179 | {NULL} /* Sentinel */ | |
3180 | }; |
|
3180 | }; | |
3181 |
|
3181 | |||
3182 | static PyGetSetDef index_getset[] = { |
|
3182 | static PyGetSetDef index_getset[] = { | |
3183 | {"nodemap", (getter)index_nodemap, NULL, "nodemap", NULL}, |
|
3183 | {"nodemap", (getter)index_nodemap, NULL, "nodemap", NULL}, | |
3184 | {NULL} /* Sentinel */ |
|
3184 | {NULL} /* Sentinel */ | |
3185 | }; |
|
3185 | }; | |
3186 |
|
3186 | |||
3187 | static PyMemberDef index_members[] = { |
|
3187 | static PyMemberDef index_members[] = { | |
3188 | {"entry_size", T_LONG, offsetof(indexObject, entry_size), 0, |
|
3188 | {"entry_size", T_LONG, offsetof(indexObject, entry_size), 0, | |
3189 | "size of an index entry"}, |
|
3189 | "size of an index entry"}, | |
3190 | {"rust_ext_compat", T_LONG, offsetof(indexObject, rust_ext_compat), 0, |
|
3190 | {"rust_ext_compat", T_LONG, offsetof(indexObject, rust_ext_compat), 0, | |
3191 | "size of an index entry"}, |
|
3191 | "size of an index entry"}, | |
3192 | {NULL} /* Sentinel */ |
|
3192 | {NULL} /* Sentinel */ | |
3193 | }; |
|
3193 | }; | |
3194 |
|
3194 | |||
3195 | PyTypeObject HgRevlogIndex_Type = { |
|
3195 | PyTypeObject HgRevlogIndex_Type = { | |
3196 | PyVarObject_HEAD_INIT(NULL, 0) /* header */ |
|
3196 | PyVarObject_HEAD_INIT(NULL, 0) /* header */ | |
3197 | "parsers.index", /* tp_name */ |
|
3197 | "parsers.index", /* tp_name */ | |
3198 | sizeof(indexObject), /* tp_basicsize */ |
|
3198 | sizeof(indexObject), /* tp_basicsize */ | |
3199 | 0, /* tp_itemsize */ |
|
3199 | 0, /* tp_itemsize */ | |
3200 | (destructor)index_dealloc, /* tp_dealloc */ |
|
3200 | (destructor)index_dealloc, /* tp_dealloc */ | |
3201 | 0, /* tp_print */ |
|
3201 | 0, /* tp_print */ | |
3202 | 0, /* tp_getattr */ |
|
3202 | 0, /* tp_getattr */ | |
3203 | 0, /* tp_setattr */ |
|
3203 | 0, /* tp_setattr */ | |
3204 | 0, /* tp_compare */ |
|
3204 | 0, /* tp_compare */ | |
3205 | 0, /* tp_repr */ |
|
3205 | 0, /* tp_repr */ | |
3206 | 0, /* tp_as_number */ |
|
3206 | 0, /* tp_as_number */ | |
3207 | &index_sequence_methods, /* tp_as_sequence */ |
|
3207 | &index_sequence_methods, /* tp_as_sequence */ | |
3208 | &index_mapping_methods, /* tp_as_mapping */ |
|
3208 | &index_mapping_methods, /* tp_as_mapping */ | |
3209 | 0, /* tp_hash */ |
|
3209 | 0, /* tp_hash */ | |
3210 | 0, /* tp_call */ |
|
3210 | 0, /* tp_call */ | |
3211 | 0, /* tp_str */ |
|
3211 | 0, /* tp_str */ | |
3212 | 0, /* tp_getattro */ |
|
3212 | 0, /* tp_getattro */ | |
3213 | 0, /* tp_setattro */ |
|
3213 | 0, /* tp_setattro */ | |
3214 | 0, /* tp_as_buffer */ |
|
3214 | 0, /* tp_as_buffer */ | |
3215 | Py_TPFLAGS_DEFAULT, /* tp_flags */ |
|
3215 | Py_TPFLAGS_DEFAULT, /* tp_flags */ | |
3216 | "revlog index", /* tp_doc */ |
|
3216 | "revlog index", /* tp_doc */ | |
3217 | 0, /* tp_traverse */ |
|
3217 | 0, /* tp_traverse */ | |
3218 | 0, /* tp_clear */ |
|
3218 | 0, /* tp_clear */ | |
3219 | 0, /* tp_richcompare */ |
|
3219 | 0, /* tp_richcompare */ | |
3220 | 0, /* tp_weaklistoffset */ |
|
3220 | 0, /* tp_weaklistoffset */ | |
3221 | 0, /* tp_iter */ |
|
3221 | 0, /* tp_iter */ | |
3222 | 0, /* tp_iternext */ |
|
3222 | 0, /* tp_iternext */ | |
3223 | index_methods, /* tp_methods */ |
|
3223 | index_methods, /* tp_methods */ | |
3224 | index_members, /* tp_members */ |
|
3224 | index_members, /* tp_members */ | |
3225 | index_getset, /* tp_getset */ |
|
3225 | index_getset, /* tp_getset */ | |
3226 | 0, /* tp_base */ |
|
3226 | 0, /* tp_base */ | |
3227 | 0, /* tp_dict */ |
|
3227 | 0, /* tp_dict */ | |
3228 | 0, /* tp_descr_get */ |
|
3228 | 0, /* tp_descr_get */ | |
3229 | 0, /* tp_descr_set */ |
|
3229 | 0, /* tp_descr_set */ | |
3230 | 0, /* tp_dictoffset */ |
|
3230 | 0, /* tp_dictoffset */ | |
3231 | (initproc)index_init, /* tp_init */ |
|
3231 | (initproc)index_init, /* tp_init */ | |
3232 | 0, /* tp_alloc */ |
|
3232 | 0, /* tp_alloc */ | |
3233 | }; |
|
3233 | }; | |
3234 |
|
3234 | |||
3235 | /* |
|
3235 | /* | |
3236 | * returns a tuple of the form (index, cache) with elements as |
|
3236 | * returns a tuple of the form (index, cache) with elements as | |
3237 | * follows: |
|
3237 | * follows: | |
3238 | * |
|
3238 | * | |
3239 | * index: an index object that lazily parses Revlog (v1 or v2) records |
|
3239 | * index: an index object that lazily parses Revlog (v1 or v2) records | |
3240 | * cache: if data is inlined, a tuple (0, index_file_content), else None |
|
3240 | * cache: if data is inlined, a tuple (0, index_file_content), else None | |
3241 | * index_file_content could be a string, or a buffer |
|
3241 | * index_file_content could be a string, or a buffer | |
3242 | * |
|
3242 | * | |
3243 | * added complications are for backwards compatibility |
|
3243 | * added complications are for backwards compatibility | |
3244 | */ |
|
3244 | */ | |
3245 | PyObject *parse_index2(PyObject *self, PyObject *args, PyObject *kwargs) |
|
3245 | PyObject *parse_index2(PyObject *self, PyObject *args, PyObject *kwargs) | |
3246 | { |
|
3246 | { | |
3247 | PyObject *cache = NULL; |
|
3247 | PyObject *cache = NULL; | |
3248 | indexObject *idx; |
|
3248 | indexObject *idx; | |
3249 | int ret; |
|
3249 | int ret; | |
3250 |
|
3250 | |||
3251 | idx = PyObject_New(indexObject, &HgRevlogIndex_Type); |
|
3251 | idx = PyObject_New(indexObject, &HgRevlogIndex_Type); | |
3252 | if (idx == NULL) |
|
3252 | if (idx == NULL) | |
3253 | goto bail; |
|
3253 | goto bail; | |
3254 |
|
3254 | |||
3255 | ret = index_init(idx, args, kwargs); |
|
3255 | ret = index_init(idx, args, kwargs); | |
3256 | if (ret == -1) |
|
3256 | if (ret == -1) | |
3257 | goto bail; |
|
3257 | goto bail; | |
3258 |
|
3258 | |||
3259 | if (idx->inlined) { |
|
3259 | if (idx->inlined) { | |
3260 | cache = Py_BuildValue("iO", 0, idx->data); |
|
3260 | cache = Py_BuildValue("iO", 0, idx->data); | |
3261 | if (cache == NULL) |
|
3261 | if (cache == NULL) | |
3262 | goto bail; |
|
3262 | goto bail; | |
3263 | } else { |
|
3263 | } else { | |
3264 | cache = Py_None; |
|
3264 | cache = Py_None; | |
3265 | Py_INCREF(cache); |
|
3265 | Py_INCREF(cache); | |
3266 | } |
|
3266 | } | |
3267 |
|
3267 | |||
3268 | return Py_BuildValue("NN", idx, cache); |
|
3268 | return Py_BuildValue("NN", idx, cache); | |
3269 |
|
3269 | |||
3270 | bail: |
|
3270 | bail: | |
3271 | Py_XDECREF(idx); |
|
3271 | Py_XDECREF(idx); | |
3272 | Py_XDECREF(cache); |
|
3272 | Py_XDECREF(cache); | |
3273 | return NULL; |
|
3273 | return NULL; | |
3274 | } |
|
3274 | } | |
3275 |
|
3275 | |||
3276 | static Revlog_CAPI CAPI = { |
|
3276 | static Revlog_CAPI CAPI = { | |
3277 | /* increment the abi_version field upon each change in the Revlog_CAPI |
|
3277 | /* increment the abi_version field upon each change in the Revlog_CAPI | |
3278 | struct or in the ABI of the listed functions */ |
|
3278 | struct or in the ABI of the listed functions */ | |
3279 | 3, index_length, index_node, index_fast_rank, HgRevlogIndex_GetParents, |
|
3279 | 3, index_length, index_node, index_fast_rank, HgRevlogIndex_GetParents, | |
3280 | }; |
|
3280 | }; | |
3281 |
|
3281 | |||
3282 | void revlog_module_init(PyObject *mod) |
|
3282 | void revlog_module_init(PyObject *mod) | |
3283 | { |
|
3283 | { | |
3284 | PyObject *caps = NULL; |
|
3284 | PyObject *caps = NULL; | |
3285 | HgRevlogIndex_Type.tp_new = PyType_GenericNew; |
|
3285 | HgRevlogIndex_Type.tp_new = PyType_GenericNew; | |
3286 | if (PyType_Ready(&HgRevlogIndex_Type) < 0) |
|
3286 | if (PyType_Ready(&HgRevlogIndex_Type) < 0) | |
3287 | return; |
|
3287 | return; | |
3288 | Py_INCREF(&HgRevlogIndex_Type); |
|
3288 | Py_INCREF(&HgRevlogIndex_Type); | |
3289 | PyModule_AddObject(mod, "index", (PyObject *)&HgRevlogIndex_Type); |
|
3289 | PyModule_AddObject(mod, "index", (PyObject *)&HgRevlogIndex_Type); | |
3290 |
|
3290 | |||
3291 | nodetreeType.tp_new = PyType_GenericNew; |
|
3291 | nodetreeType.tp_new = PyType_GenericNew; | |
3292 | if (PyType_Ready(&nodetreeType) < 0) |
|
3292 | if (PyType_Ready(&nodetreeType) < 0) | |
3293 | return; |
|
3293 | return; | |
3294 | Py_INCREF(&nodetreeType); |
|
3294 | Py_INCREF(&nodetreeType); | |
3295 | PyModule_AddObject(mod, "nodetree", (PyObject *)&nodetreeType); |
|
3295 | PyModule_AddObject(mod, "nodetree", (PyObject *)&nodetreeType); | |
3296 |
|
3296 | |||
3297 | caps = PyCapsule_New(&CAPI, "mercurial.cext.parsers.revlog_CAPI", NULL); |
|
3297 | caps = PyCapsule_New(&CAPI, "mercurial.cext.parsers.revlog_CAPI", NULL); | |
3298 | if (caps != NULL) |
|
3298 | if (caps != NULL) | |
3299 | PyModule_AddObject(mod, "revlog_CAPI", caps); |
|
3299 | PyModule_AddObject(mod, "revlog_CAPI", caps); | |
3300 | } |
|
3300 | } |
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