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1#ifndef GREP_H
2#define GREP_H
7e8f59d5 3#include "color.h"
3485bea1 4#ifdef USE_LIBPCRE1
63e7e9d8 5#include <pcre.h>
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6#ifdef PCRE_CONFIG_JIT
7#if PCRE_MAJOR >= 8 && PCRE_MINOR >= 32
fb95e2e3 8#ifndef NO_LIBPCRE1_JIT
e87de7ca 9#define GIT_PCRE1_USE_JIT
2fff1e19 10#define GIT_PCRE_STUDY_JIT_COMPILE PCRE_STUDY_JIT_COMPILE
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11#endif
12#endif
fb95e2e3 13#endif
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14#ifndef GIT_PCRE_STUDY_JIT_COMPILE
15#define GIT_PCRE_STUDY_JIT_COMPILE 0
fbaceaac 16#endif
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17#if PCRE_MAJOR <= 8 && PCRE_MINOR < 20
18typedef int pcre_jit_stack;
19#endif
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20#else
21typedef int pcre;
22typedef int pcre_extra;
fbaceaac 23typedef int pcre_jit_stack;
63e7e9d8 24#endif
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25#ifdef USE_LIBPCRE2
26#define PCRE2_CODE_UNIT_WIDTH 8
27#include <pcre2.h>
28#else
29typedef int pcre2_code;
30typedef int pcre2_match_data;
31typedef int pcre2_compile_context;
32typedef int pcre2_match_context;
33typedef int pcre2_jit_stack;
34#endif
9eceddee 35#include "kwset.h"
0579f91d 36#include "thread-utils.h"
94ad9d9e 37#include "userdiff.h"
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38
39enum grep_pat_token {
40 GREP_PATTERN,
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41 GREP_PATTERN_HEAD,
42 GREP_PATTERN_BODY,
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43 GREP_AND,
44 GREP_OPEN_PAREN,
45 GREP_CLOSE_PAREN,
46 GREP_NOT,
4b05548f 47 GREP_OR
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48};
49
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50enum grep_context {
51 GREP_CONTEXT_HEAD,
4b05548f 52 GREP_CONTEXT_BODY
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53};
54
a4d7d2c6 55enum grep_header_field {
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56 GREP_HEADER_FIELD_MIN = 0,
57 GREP_HEADER_AUTHOR = GREP_HEADER_FIELD_MIN,
ad4813b3 58 GREP_HEADER_COMMITTER,
72fd13f7 59 GREP_HEADER_REFLOG,
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60
61 /* Must be at the end of the enum */
62 GREP_HEADER_FIELD_MAX
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63};
64
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65enum grep_color {
66 GREP_COLOR_CONTEXT,
67 GREP_COLOR_FILENAME,
68 GREP_COLOR_FUNCTION,
69 GREP_COLOR_LINENO,
d036d667 70 GREP_COLOR_COLUMNNO,
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71 GREP_COLOR_MATCH_CONTEXT,
72 GREP_COLOR_MATCH_SELECTED,
73 GREP_COLOR_SELECTED,
74 GREP_COLOR_SEP,
75 NR_GREP_COLORS
76};
77
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78struct grep_pat {
79 struct grep_pat *next;
80 const char *origin;
81 int no;
82 enum grep_pat_token token;
526a858a 83 char *pattern;
ed40a095 84 size_t patternlen;
a4d7d2c6 85 enum grep_header_field field;
83b5d2f5 86 regex_t regexp;
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87 pcre *pcre1_regexp;
88 pcre_extra *pcre1_extra_info;
fbaceaac 89 pcre_jit_stack *pcre1_jit_stack;
6d4b5747 90 const unsigned char *pcre1_tables;
fbaceaac 91 int pcre1_jit_on;
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92 pcre2_code *pcre2_pattern;
93 pcre2_match_data *pcre2_match_data;
94 pcre2_compile_context *pcre2_compile_context;
95 pcre2_match_context *pcre2_match_context;
96 pcre2_jit_stack *pcre2_jit_stack;
97 uint32_t pcre2_jit_on;
9eceddee 98 kwset_t kws;
c822255c 99 unsigned fixed:1;
5183bf67 100 unsigned ignore_case:1;
d7eb527d 101 unsigned word_regexp:1;
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102};
103
104enum grep_expr_node {
105 GREP_NODE_ATOM,
106 GREP_NODE_NOT,
107 GREP_NODE_AND,
5aaeb733 108 GREP_NODE_TRUE,
4b05548f 109 GREP_NODE_OR
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110};
111
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112enum grep_pattern_type {
113 GREP_PATTERN_TYPE_UNSPECIFIED = 0,
114 GREP_PATTERN_TYPE_BRE,
115 GREP_PATTERN_TYPE_ERE,
116 GREP_PATTERN_TYPE_FIXED,
117 GREP_PATTERN_TYPE_PCRE
118};
119
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120struct grep_expr {
121 enum grep_expr_node node;
0ab7befa 122 unsigned hit;
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123 union {
124 struct grep_pat *atom;
125 struct grep_expr *unary;
126 struct {
127 struct grep_expr *left;
128 struct grep_expr *right;
129 } binary;
130 } u;
131};
132
133struct grep_opt {
134 struct grep_pat *pattern_list;
135 struct grep_pat **pattern_tail;
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136 struct grep_pat *header_list;
137 struct grep_pat **header_tail;
83b5d2f5 138 struct grep_expr *pattern_expression;
493b7a08 139 const char *prefix;
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140 int prefix_length;
141 regex_t regexp;
3e230fa1 142 int linenum;
017c0fcf 143 int columnnum;
3e230fa1 144 int invert;
5183bf67 145 int ignore_case;
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146 int status_only;
147 int name_only;
148 int unmatch_name_only;
149 int count;
150 int word_regexp;
151 int fixed;
152 int all_match;
17bf35a3 153 int debug;
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154#define GREP_BINARY_DEFAULT 0
155#define GREP_BINARY_NOMATCH 1
156#define GREP_BINARY_TEXT 2
3e230fa1 157 int binary;
335ec3bf 158 int allow_textconv;
3e230fa1 159 int extended;
baa6378f 160 int use_reflog_filter;
6d4b5747 161 int pcre1;
94da9193 162 int pcre2;
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163 int relative;
164 int pathname;
165 int null_following_name;
9d8db06e 166 int only_matching;
7e8f59d5 167 int color;
a91f453f 168 int max_depth;
2944e4e6 169 int funcname;
ba8ea749 170 int funcbody;
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171 int extended_regexp_option;
172 int pattern_type_option;
fa151dc5 173 char colors[NR_GREP_COLORS][COLOR_MAXLEN];
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174 unsigned pre_context;
175 unsigned post_context;
5dd06d38 176 unsigned last_shown;
046802d0 177 int show_hunk_mark;
a8f0e764 178 int file_break;
1d84f72e 179 int heading;
60ecac98 180 void *priv;
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181
182 void (*output)(struct grep_opt *opt, const void *data, size_t size);
183 void *output_priv;
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184};
185
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186extern void init_grep_defaults(void);
187extern int grep_config(const char *var, const char *value, void *);
188extern void grep_init(struct grep_opt *, const char *prefix);
c5c31d33 189void grep_commit_pattern_type(enum grep_pattern_type, struct grep_opt *opt);
7687a054 190
ed40a095 191extern void append_grep_pat(struct grep_opt *opt, const char *pat, size_t patlen, const char *origin, int no, enum grep_pat_token t);
83b5d2f5 192extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);
a4d7d2c6 193extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *);
83b5d2f5 194extern void compile_grep_patterns(struct grep_opt *opt);
b48fb5b6 195extern void free_grep_patterns(struct grep_opt *opt);
c876d6da 196extern int grep_buffer(struct grep_opt *opt, char *buf, unsigned long size);
83b5d2f5 197
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198struct grep_source {
199 char *name;
200
201 enum grep_source_type {
1c41c82b 202 GREP_SOURCE_OID,
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203 GREP_SOURCE_FILE,
204 GREP_SOURCE_BUF,
205 } type;
206 void *identifier;
207
208 char *buf;
209 unsigned long size;
94ad9d9e 210
55c61688 211 char *path; /* for attribute lookups */
94ad9d9e 212 struct userdiff_driver *driver;
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213};
214
215void grep_source_init(struct grep_source *gs, enum grep_source_type type,
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216 const char *name, const char *path,
217 const void *identifier);
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218void grep_source_clear_data(struct grep_source *gs);
219void grep_source_clear(struct grep_source *gs);
94ad9d9e 220void grep_source_load_driver(struct grep_source *gs);
07a7d656 221
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222
223int grep_source(struct grep_opt *opt, struct grep_source *gs);
224
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225extern struct grep_opt *grep_opt_dup(const struct grep_opt *opt);
226extern int grep_threads_ok(const struct grep_opt *opt);
227
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228#ifndef NO_PTHREADS
229/*
230 * Mutex used around access to the attributes machinery if
231 * opt->use_threads. Must be initialized/destroyed by callers!
232 */
78db6ea9 233extern int grep_use_locks;
0579f91d 234extern pthread_mutex_t grep_attr_mutex;
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235extern pthread_mutex_t grep_read_mutex;
236
237static inline void grep_read_lock(void)
238{
239 if (grep_use_locks)
240 pthread_mutex_lock(&grep_read_mutex);
241}
242
243static inline void grep_read_unlock(void)
244{
245 if (grep_use_locks)
246 pthread_mutex_unlock(&grep_read_mutex);
247}
248
249#else
250#define grep_read_lock()
251#define grep_read_unlock()
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252#endif
253
83b5d2f5 254#endif