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1#ifndef GREP_H
2#define GREP_H
3#include "color.h"
4#ifdef USE_LIBPCRE2
5#define PCRE2_CODE_UNIT_WIDTH 8
6#include <pcre2.h>
7#if (PCRE2_MAJOR >= 10 && PCRE2_MINOR >= 36) || PCRE2_MAJOR >= 11
8#define GIT_PCRE2_VERSION_10_36_OR_HIGHER
9#endif
10#if (PCRE2_MAJOR >= 10 && PCRE2_MINOR >= 34) || PCRE2_MAJOR >= 11
11#define GIT_PCRE2_VERSION_10_34_OR_HIGHER
12#endif
13#else
14typedef int pcre2_code;
15typedef int pcre2_match_data;
16typedef int pcre2_compile_context;
17typedef int pcre2_general_context;
18#endif
19#ifndef PCRE2_MATCH_INVALID_UTF
20/* PCRE2_MATCH_* dummy also with !USE_LIBPCRE2, for test-pcre2-config.c */
21#define PCRE2_MATCH_INVALID_UTF 0
22#endif
23#include "thread-utils.h"
24#include "userdiff.h"
25
26struct repository;
27
28enum grep_pat_token {
29 GREP_PATTERN,
30 GREP_PATTERN_HEAD,
31 GREP_PATTERN_BODY,
32 GREP_AND,
33 GREP_OPEN_PAREN,
34 GREP_CLOSE_PAREN,
35 GREP_NOT,
36 GREP_OR
37};
38
39enum grep_context {
40 GREP_CONTEXT_HEAD,
41 GREP_CONTEXT_BODY
42};
43
44enum grep_header_field {
45 GREP_HEADER_FIELD_MIN = 0,
46 GREP_HEADER_AUTHOR = GREP_HEADER_FIELD_MIN,
47 GREP_HEADER_COMMITTER,
48 GREP_HEADER_REFLOG,
49
50 /* Must be at the end of the enum */
51 GREP_HEADER_FIELD_MAX
52};
53
54enum grep_color {
55 GREP_COLOR_CONTEXT,
56 GREP_COLOR_FILENAME,
57 GREP_COLOR_FUNCTION,
58 GREP_COLOR_LINENO,
59 GREP_COLOR_COLUMNNO,
60 GREP_COLOR_MATCH_CONTEXT,
61 GREP_COLOR_MATCH_SELECTED,
62 GREP_COLOR_SELECTED,
63 GREP_COLOR_SEP,
64 NR_GREP_COLORS
65};
66
67struct grep_pat {
68 struct grep_pat *next;
69 const char *origin;
70 int no;
71 enum grep_pat_token token;
72 char *pattern;
73 size_t patternlen;
74 enum grep_header_field field;
75 regex_t regexp;
76 pcre2_code *pcre2_pattern;
77 pcre2_match_data *pcre2_match_data;
78 pcre2_compile_context *pcre2_compile_context;
79 pcre2_general_context *pcre2_general_context;
80 const uint8_t *pcre2_tables;
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
88enum 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
96enum 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
104struct 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
117struct 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#define GREP_BINARY_DEFAULT 0
139#define GREP_BINARY_NOMATCH 1
140#define GREP_BINARY_TEXT 2
141 int binary;
142 int allow_textconv;
143 int extended;
144 int use_reflog_filter;
145 int pcre2;
146 int relative;
147 int pathname;
148 int null_following_name;
149 int only_matching;
150 int color;
151 int max_depth;
152 int funcname;
153 int funcbody;
154 int extended_regexp_option;
155 int pattern_type_option;
156 int ignore_locale;
157 char colors[NR_GREP_COLORS][COLOR_MAXLEN];
158 unsigned pre_context;
159 unsigned post_context;
160 unsigned last_shown;
161 int show_hunk_mark;
162 int file_break;
163 int heading;
164 void *priv;
165
166 void (*output)(struct grep_opt *opt, const void *data, size_t size);
167 void *output_priv;
168};
169
170int grep_config(const char *var, const char *value, void *);
171void grep_init(struct grep_opt *, struct repository *repo, const char *prefix);
172void grep_commit_pattern_type(enum grep_pattern_type, struct grep_opt *opt);
173
174void append_grep_pat(struct grep_opt *opt, const char *pat, size_t patlen, const char *origin, int no, enum grep_pat_token t);
175void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);
176void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *);
177void compile_grep_patterns(struct grep_opt *opt);
178void free_grep_patterns(struct grep_opt *opt);
179int grep_buffer(struct grep_opt *opt, char *buf, unsigned long size);
180
181struct grep_source {
182 char *name;
183
184 enum grep_source_type {
185 GREP_SOURCE_OID,
186 GREP_SOURCE_FILE,
187 GREP_SOURCE_BUF,
188 } type;
189 void *identifier;
190
191 char *buf;
192 unsigned long size;
193
194 char *path; /* for attribute lookups */
195 struct userdiff_driver *driver;
196};
197
198void grep_source_init(struct grep_source *gs, enum grep_source_type type,
199 const char *name, const char *path,
200 const void *identifier);
201void grep_source_clear_data(struct grep_source *gs);
202void grep_source_clear(struct grep_source *gs);
203void grep_source_load_driver(struct grep_source *gs,
204 struct index_state *istate);
205
206
207int grep_source(struct grep_opt *opt, struct grep_source *gs);
208
209struct grep_opt *grep_opt_dup(const struct grep_opt *opt);
210int grep_threads_ok(const struct grep_opt *opt);
211
212/*
213 * Mutex used around access to the attributes machinery if
214 * opt->use_threads. Must be initialized/destroyed by callers!
215 */
216extern int grep_use_locks;
217extern pthread_mutex_t grep_attr_mutex;
218
219#endif