diff options
Diffstat (limited to 'grep.h')
| -rw-r--r-- | grep.h | 87 |
1 files changed, 82 insertions, 5 deletions
@@ -8,6 +8,8 @@ typedef int pcre; typedef int pcre_extra; #endif #include "kwset.h" +#include "thread-utils.h" +#include "userdiff.h" enum grep_pat_token { GREP_PATTERN, @@ -26,17 +28,21 @@ enum grep_context { }; enum grep_header_field { - GREP_HEADER_AUTHOR = 0, - GREP_HEADER_COMMITTER + GREP_HEADER_FIELD_MIN = 0, + GREP_HEADER_AUTHOR = GREP_HEADER_FIELD_MIN, + GREP_HEADER_COMMITTER, + GREP_HEADER_REFLOG, + + /* Must be at the end of the enum */ + GREP_HEADER_FIELD_MAX }; -#define GREP_HEADER_FIELD_MAX (GREP_HEADER_COMMITTER + 1) struct grep_pat { struct grep_pat *next; const char *origin; int no; enum grep_pat_token token; - const char *pattern; + char *pattern; size_t patternlen; enum grep_header_field field; regex_t regexp; @@ -56,6 +62,14 @@ enum grep_expr_node { GREP_NODE_OR }; +enum grep_pattern_type { + GREP_PATTERN_TYPE_UNSPECIFIED = 0, + GREP_PATTERN_TYPE_BRE, + GREP_PATTERN_TYPE_ERE, + GREP_PATTERN_TYPE_FIXED, + GREP_PATTERN_TYPE_PCRE +}; + struct grep_expr { enum grep_expr_node node; unsigned hit; @@ -88,11 +102,13 @@ struct grep_opt { int word_regexp; int fixed; int all_match; + int debug; #define GREP_BINARY_DEFAULT 0 #define GREP_BINARY_NOMATCH 1 #define GREP_BINARY_TEXT 2 int binary; int extended; + int use_reflog_filter; int pcre; int relative; int pathname; @@ -101,6 +117,8 @@ struct grep_opt { int max_depth; int funcname; int funcbody; + int extended_regexp_option; + int pattern_type_option; char color_context[COLOR_MAXLEN]; char color_filename[COLOR_MAXLEN]; char color_function[COLOR_MAXLEN]; @@ -121,14 +139,73 @@ struct grep_opt { void *output_priv; }; +extern void init_grep_defaults(void); +extern int grep_config(const char *var, const char *value, void *); +extern void grep_init(struct grep_opt *, const char *prefix); +void grep_set_pattern_type_option(enum grep_pattern_type, struct grep_opt *opt); +void grep_commit_pattern_type(enum grep_pattern_type, struct grep_opt *opt); + extern void append_grep_pat(struct grep_opt *opt, const char *pat, size_t patlen, const char *origin, int no, enum grep_pat_token t); extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t); extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *); extern void compile_grep_patterns(struct grep_opt *opt); extern void free_grep_patterns(struct grep_opt *opt); -extern int grep_buffer(struct grep_opt *opt, const char *name, char *buf, unsigned long size); +extern int grep_buffer(struct grep_opt *opt, char *buf, unsigned long size); + +struct grep_source { + char *name; + + enum grep_source_type { + GREP_SOURCE_SHA1, + GREP_SOURCE_FILE, + GREP_SOURCE_BUF, + } type; + void *identifier; + + char *buf; + unsigned long size; + + char *path; /* for attribute lookups */ + struct userdiff_driver *driver; +}; + +void grep_source_init(struct grep_source *gs, enum grep_source_type type, + const char *name, const char *path, + const void *identifier); +void grep_source_clear_data(struct grep_source *gs); +void grep_source_clear(struct grep_source *gs); +void grep_source_load_driver(struct grep_source *gs); + + +int grep_source(struct grep_opt *opt, struct grep_source *gs); extern struct grep_opt *grep_opt_dup(const struct grep_opt *opt); extern int grep_threads_ok(const struct grep_opt *opt); +#ifndef NO_PTHREADS +/* + * Mutex used around access to the attributes machinery if + * opt->use_threads. Must be initialized/destroyed by callers! + */ +extern int grep_use_locks; +extern pthread_mutex_t grep_attr_mutex; +extern pthread_mutex_t grep_read_mutex; + +static inline void grep_read_lock(void) +{ + if (grep_use_locks) + pthread_mutex_lock(&grep_read_mutex); +} + +static inline void grep_read_unlock(void) +{ + if (grep_use_locks) + pthread_mutex_unlock(&grep_read_mutex); +} + +#else +#define grep_read_lock() +#define grep_read_unlock() +#endif + #endif |