#ifndef GREP_H #define GREP_H #include "color.h" #ifdef USE_LIBPCRE1 #include <pcre.h> #ifdef PCRE_CONFIG_JIT #if PCRE_MAJOR >= 8 && PCRE_MINOR >= 32 #ifndef NO_LIBPCRE1_JIT #define GIT_PCRE1_USE_JIT #endif #endif #endif #ifndef PCRE_STUDY_JIT_COMPILE #define PCRE_STUDY_JIT_COMPILE 0 #endif #if PCRE_MAJOR <= 8 && PCRE_MINOR < 20 typedef int pcre_jit_stack; #endif #else typedef int pcre; typedef int pcre_extra; typedef int pcre_jit_stack; #endif #ifdef USE_LIBPCRE2 #define PCRE2_CODE_UNIT_WIDTH 8 #include <pcre2.h> #else typedef int pcre2_code; typedef int pcre2_match_data; typedef int pcre2_compile_context; typedef int pcre2_match_context; typedef int pcre2_jit_stack; #endif #include "kwset.h" #include "thread-utils.h" #include "userdiff.h" enum grep_pat_token { GREP_PATTERN, GREP_PATTERN_HEAD, GREP_PATTERN_BODY, GREP_AND, GREP_OPEN_PAREN, GREP_CLOSE_PAREN, GREP_NOT, GREP_OR }; enum grep_context { GREP_CONTEXT_HEAD, GREP_CONTEXT_BODY }; enum grep_header_field { 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 }; struct grep_pat { struct grep_pat *next; const char *origin; int no; enum grep_pat_token token; char *pattern; size_t patternlen; enum grep_header_field field; regex_t regexp; pcre *pcre1_regexp; pcre_extra *pcre1_extra_info; pcre_jit_stack *pcre1_jit_stack; const unsigned char *pcre1_tables; int pcre1_jit_on; pcre2_code *pcre2_pattern; pcre2_match_data *pcre2_match_data; pcre2_compile_context *pcre2_compile_context; pcre2_match_context *pcre2_match_context; pcre2_jit_stack *pcre2_jit_stack; uint32_t pcre2_jit_on; kwset_t kws; unsigned fixed:1; unsigned ignore_case:1; unsigned word_regexp:1; }; enum grep_expr_node { GREP_NODE_ATOM, GREP_NODE_NOT, GREP_NODE_AND, GREP_NODE_TRUE, 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; union { struct grep_pat *atom; struct grep_expr *unary; struct { struct grep_expr *left; struct grep_expr *right; } binary; } u; }; struct grep_opt { struct grep_pat *pattern_list; struct grep_pat **pattern_tail; struct grep_pat *header_list; struct grep_pat **header_tail; struct grep_expr *pattern_expression; const char *prefix; int prefix_length; regex_t regexp; int linenum; int invert; int ignore_case; int status_only; int name_only; int unmatch_name_only; int count; 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 allow_textconv; int extended; int use_reflog_filter; int pcre1; int pcre2; int relative; int pathname; int null_following_name; int color; 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]; char color_lineno[COLOR_MAXLEN]; char color_match_context[COLOR_MAXLEN]; char color_match_selected[COLOR_MAXLEN]; char color_selected[COLOR_MAXLEN]; char color_sep[COLOR_MAXLEN]; unsigned pre_context; unsigned post_context; unsigned last_shown; int show_hunk_mark; int file_break; int heading; void *priv; void (*output)(struct grep_opt *opt, const void *data, size_t size); 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_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, char *buf, unsigned long size); struct grep_source { char *name; enum grep_source_type { GREP_SOURCE_OID, 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