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1 | #ifndef GREP_H | |
2 | #define GREP_H | |
3 | #include "color.h" | |
4 | #ifdef USE_LIBPCRE1 | |
5 | #include <pcre.h> | |
6 | #ifndef PCRE_NO_UTF8_CHECK | |
7 | #define PCRE_NO_UTF8_CHECK 0 | |
8 | #endif | |
9 | #else | |
10 | typedef int pcre; | |
11 | typedef int pcre_extra; | |
12 | #endif | |
13 | #ifdef USE_LIBPCRE2 | |
14 | #define PCRE2_CODE_UNIT_WIDTH 8 | |
15 | #include <pcre2.h> | |
16 | #else | |
17 | typedef int pcre2_code; | |
18 | typedef int pcre2_match_data; | |
19 | typedef int pcre2_compile_context; | |
20 | #endif | |
21 | #include "thread-utils.h" | |
22 | #include "userdiff.h" | |
23 | ||
24 | struct repository; | |
25 | ||
26 | enum grep_pat_token { | |
27 | GREP_PATTERN, | |
28 | GREP_PATTERN_HEAD, | |
29 | GREP_PATTERN_BODY, | |
30 | GREP_AND, | |
31 | GREP_OPEN_PAREN, | |
32 | GREP_CLOSE_PAREN, | |
33 | GREP_NOT, | |
34 | GREP_OR | |
35 | }; | |
36 | ||
37 | enum grep_context { | |
38 | GREP_CONTEXT_HEAD, | |
39 | GREP_CONTEXT_BODY | |
40 | }; | |
41 | ||
42 | enum grep_header_field { | |
43 | GREP_HEADER_FIELD_MIN = 0, | |
44 | GREP_HEADER_AUTHOR = GREP_HEADER_FIELD_MIN, | |
45 | GREP_HEADER_COMMITTER, | |
46 | GREP_HEADER_REFLOG, | |
47 | ||
48 | /* Must be at the end of the enum */ | |
49 | GREP_HEADER_FIELD_MAX | |
50 | }; | |
51 | ||
52 | enum grep_color { | |
53 | GREP_COLOR_CONTEXT, | |
54 | GREP_COLOR_FILENAME, | |
55 | GREP_COLOR_FUNCTION, | |
56 | GREP_COLOR_LINENO, | |
57 | GREP_COLOR_COLUMNNO, | |
58 | GREP_COLOR_MATCH_CONTEXT, | |
59 | GREP_COLOR_MATCH_SELECTED, | |
60 | GREP_COLOR_SELECTED, | |
61 | GREP_COLOR_SEP, | |
62 | NR_GREP_COLORS | |
63 | }; | |
64 | ||
65 | struct grep_pat { | |
66 | struct grep_pat *next; | |
67 | const char *origin; | |
68 | int no; | |
69 | enum grep_pat_token token; | |
70 | char *pattern; | |
71 | size_t patternlen; | |
72 | enum grep_header_field field; | |
73 | regex_t regexp; | |
74 | pcre *pcre1_regexp; | |
75 | pcre_extra *pcre1_extra_info; | |
76 | const unsigned char *pcre1_tables; | |
77 | int pcre1_jit_on; | |
78 | pcre2_code *pcre2_pattern; | |
79 | pcre2_match_data *pcre2_match_data; | |
80 | pcre2_compile_context *pcre2_compile_context; | |
81 | uint32_t pcre2_jit_on; | |
82 | unsigned fixed:1; | |
83 | unsigned is_fixed:1; | |
84 | unsigned ignore_case:1; | |
85 | unsigned word_regexp:1; | |
86 | }; | |
87 | ||
88 | enum grep_expr_node { | |
89 | GREP_NODE_ATOM, | |
90 | GREP_NODE_NOT, | |
91 | GREP_NODE_AND, | |
92 | GREP_NODE_TRUE, | |
93 | GREP_NODE_OR | |
94 | }; | |
95 | ||
96 | enum grep_pattern_type { | |
97 | GREP_PATTERN_TYPE_UNSPECIFIED = 0, | |
98 | GREP_PATTERN_TYPE_BRE, | |
99 | GREP_PATTERN_TYPE_ERE, | |
100 | GREP_PATTERN_TYPE_FIXED, | |
101 | GREP_PATTERN_TYPE_PCRE | |
102 | }; | |
103 | ||
104 | struct grep_expr { | |
105 | enum grep_expr_node node; | |
106 | unsigned hit; | |
107 | union { | |
108 | struct grep_pat *atom; | |
109 | struct grep_expr *unary; | |
110 | struct { | |
111 | struct grep_expr *left; | |
112 | struct grep_expr *right; | |
113 | } binary; | |
114 | } u; | |
115 | }; | |
116 | ||
117 | struct grep_opt { | |
118 | struct grep_pat *pattern_list; | |
119 | struct grep_pat **pattern_tail; | |
120 | struct grep_pat *header_list; | |
121 | struct grep_pat **header_tail; | |
122 | struct grep_expr *pattern_expression; | |
123 | struct repository *repo; | |
124 | const char *prefix; | |
125 | int prefix_length; | |
126 | regex_t regexp; | |
127 | int linenum; | |
128 | int columnnum; | |
129 | int invert; | |
130 | int ignore_case; | |
131 | int status_only; | |
132 | int name_only; | |
133 | int unmatch_name_only; | |
134 | int count; | |
135 | int word_regexp; | |
136 | int fixed; | |
137 | int all_match; | |
138 | int debug; | |
139 | #define GREP_BINARY_DEFAULT 0 | |
140 | #define GREP_BINARY_NOMATCH 1 | |
141 | #define GREP_BINARY_TEXT 2 | |
142 | int binary; | |
143 | int allow_textconv; | |
144 | int extended; | |
145 | int use_reflog_filter; | |
146 | int pcre1; | |
147 | int pcre2; | |
148 | int relative; | |
149 | int pathname; | |
150 | int null_following_name; | |
151 | int only_matching; | |
152 | int color; | |
153 | int max_depth; | |
154 | int funcname; | |
155 | int funcbody; | |
156 | int extended_regexp_option; | |
157 | int pattern_type_option; | |
158 | int ignore_locale; | |
159 | char colors[NR_GREP_COLORS][COLOR_MAXLEN]; | |
160 | unsigned pre_context; | |
161 | unsigned post_context; | |
162 | unsigned last_shown; | |
163 | int show_hunk_mark; | |
164 | int file_break; | |
165 | int heading; | |
166 | void *priv; | |
167 | ||
168 | void (*output)(struct grep_opt *opt, const void *data, size_t size); | |
169 | void *output_priv; | |
170 | }; | |
171 | ||
172 | void init_grep_defaults(struct repository *); | |
173 | int grep_config(const char *var, const char *value, void *); | |
174 | void grep_init(struct grep_opt *, struct repository *repo, const char *prefix); | |
175 | void grep_commit_pattern_type(enum grep_pattern_type, struct grep_opt *opt); | |
176 | ||
177 | void append_grep_pat(struct grep_opt *opt, const char *pat, size_t patlen, const char *origin, int no, enum grep_pat_token t); | |
178 | void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t); | |
179 | void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *); | |
180 | void compile_grep_patterns(struct grep_opt *opt); | |
181 | void free_grep_patterns(struct grep_opt *opt); | |
182 | int grep_buffer(struct grep_opt *opt, char *buf, unsigned long size); | |
183 | ||
184 | struct grep_source { | |
185 | char *name; | |
186 | ||
187 | enum grep_source_type { | |
188 | GREP_SOURCE_OID, | |
189 | GREP_SOURCE_FILE, | |
190 | GREP_SOURCE_BUF, | |
191 | } type; | |
192 | void *identifier; | |
193 | ||
194 | char *buf; | |
195 | unsigned long size; | |
196 | ||
197 | char *path; /* for attribute lookups */ | |
198 | struct userdiff_driver *driver; | |
199 | }; | |
200 | ||
201 | void grep_source_init(struct grep_source *gs, enum grep_source_type type, | |
202 | const char *name, const char *path, | |
203 | const void *identifier); | |
204 | void grep_source_clear_data(struct grep_source *gs); | |
205 | void grep_source_clear(struct grep_source *gs); | |
206 | void grep_source_load_driver(struct grep_source *gs, | |
207 | struct index_state *istate); | |
208 | ||
209 | ||
210 | int grep_source(struct grep_opt *opt, struct grep_source *gs); | |
211 | ||
212 | struct grep_opt *grep_opt_dup(const struct grep_opt *opt); | |
213 | int grep_threads_ok(const struct grep_opt *opt); | |
214 | ||
215 | /* | |
216 | * Mutex used around access to the attributes machinery if | |
217 | * opt->use_threads. Must be initialized/destroyed by callers! | |
218 | */ | |
219 | extern int grep_use_locks; | |
220 | extern pthread_mutex_t grep_attr_mutex; | |
221 | extern pthread_mutex_t grep_read_mutex; | |
222 | ||
223 | static inline void grep_read_lock(void) | |
224 | { | |
225 | if (grep_use_locks) | |
226 | pthread_mutex_lock(&grep_read_mutex); | |
227 | } | |
228 | ||
229 | static inline void grep_read_unlock(void) | |
230 | { | |
231 | if (grep_use_locks) | |
232 | pthread_mutex_unlock(&grep_read_mutex); | |
233 | } | |
234 | ||
235 | #endif |