Squashed 'third_party/git/' content from commit cb71568594
git-subtree-dir: third_party/git git-subtree-split: cb715685942260375e1eb8153b0768a376e4ece7
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Vincent Ambo
commit
1b593e1ea4
3629 changed files with 1139935 additions and 0 deletions
252
grep.h
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252
grep.h
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#ifndef GREP_H
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#define GREP_H
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#include "color.h"
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#ifdef USE_LIBPCRE1
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#include <pcre.h>
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#ifdef PCRE_CONFIG_JIT
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#if PCRE_MAJOR >= 8 && PCRE_MINOR >= 32
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#ifndef NO_LIBPCRE1_JIT
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#define GIT_PCRE1_USE_JIT
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#define GIT_PCRE_STUDY_JIT_COMPILE PCRE_STUDY_JIT_COMPILE
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#endif
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#endif
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#endif
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#ifndef GIT_PCRE_STUDY_JIT_COMPILE
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#define GIT_PCRE_STUDY_JIT_COMPILE 0
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#endif
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#if PCRE_MAJOR <= 8 && PCRE_MINOR < 20
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typedef int pcre_jit_stack;
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#endif
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#else
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typedef int pcre;
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typedef int pcre_extra;
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typedef int pcre_jit_stack;
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#endif
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#ifdef USE_LIBPCRE2
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#define PCRE2_CODE_UNIT_WIDTH 8
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#include <pcre2.h>
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#else
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typedef int pcre2_code;
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typedef int pcre2_match_data;
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typedef int pcre2_compile_context;
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typedef int pcre2_match_context;
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typedef int pcre2_jit_stack;
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#endif
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#include "kwset.h"
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#include "thread-utils.h"
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#include "userdiff.h"
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struct repository;
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enum grep_pat_token {
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GREP_PATTERN,
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GREP_PATTERN_HEAD,
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GREP_PATTERN_BODY,
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GREP_AND,
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GREP_OPEN_PAREN,
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GREP_CLOSE_PAREN,
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GREP_NOT,
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GREP_OR
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};
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enum grep_context {
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GREP_CONTEXT_HEAD,
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GREP_CONTEXT_BODY
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};
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enum grep_header_field {
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GREP_HEADER_FIELD_MIN = 0,
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GREP_HEADER_AUTHOR = GREP_HEADER_FIELD_MIN,
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GREP_HEADER_COMMITTER,
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GREP_HEADER_REFLOG,
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/* Must be at the end of the enum */
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GREP_HEADER_FIELD_MAX
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};
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enum grep_color {
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GREP_COLOR_CONTEXT,
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GREP_COLOR_FILENAME,
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GREP_COLOR_FUNCTION,
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GREP_COLOR_LINENO,
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GREP_COLOR_COLUMNNO,
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GREP_COLOR_MATCH_CONTEXT,
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GREP_COLOR_MATCH_SELECTED,
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GREP_COLOR_SELECTED,
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GREP_COLOR_SEP,
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NR_GREP_COLORS
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};
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struct grep_pat {
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struct grep_pat *next;
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const char *origin;
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int no;
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enum grep_pat_token token;
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char *pattern;
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size_t patternlen;
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enum grep_header_field field;
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regex_t regexp;
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pcre *pcre1_regexp;
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pcre_extra *pcre1_extra_info;
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pcre_jit_stack *pcre1_jit_stack;
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const unsigned char *pcre1_tables;
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int pcre1_jit_on;
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pcre2_code *pcre2_pattern;
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pcre2_match_data *pcre2_match_data;
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pcre2_compile_context *pcre2_compile_context;
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pcre2_match_context *pcre2_match_context;
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pcre2_jit_stack *pcre2_jit_stack;
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uint32_t pcre2_jit_on;
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kwset_t kws;
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unsigned fixed:1;
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unsigned ignore_case:1;
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unsigned word_regexp:1;
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};
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enum grep_expr_node {
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GREP_NODE_ATOM,
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GREP_NODE_NOT,
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GREP_NODE_AND,
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GREP_NODE_TRUE,
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GREP_NODE_OR
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};
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enum grep_pattern_type {
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GREP_PATTERN_TYPE_UNSPECIFIED = 0,
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GREP_PATTERN_TYPE_BRE,
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GREP_PATTERN_TYPE_ERE,
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GREP_PATTERN_TYPE_FIXED,
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GREP_PATTERN_TYPE_PCRE
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};
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struct grep_expr {
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enum grep_expr_node node;
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unsigned hit;
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union {
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struct grep_pat *atom;
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struct grep_expr *unary;
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struct {
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struct grep_expr *left;
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struct grep_expr *right;
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} binary;
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} u;
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};
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struct grep_opt {
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struct grep_pat *pattern_list;
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struct grep_pat **pattern_tail;
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struct grep_pat *header_list;
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struct grep_pat **header_tail;
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struct grep_expr *pattern_expression;
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struct repository *repo;
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const char *prefix;
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int prefix_length;
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regex_t regexp;
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int linenum;
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int columnnum;
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int invert;
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int ignore_case;
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int status_only;
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int name_only;
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int unmatch_name_only;
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int count;
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int word_regexp;
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int fixed;
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int all_match;
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int debug;
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#define GREP_BINARY_DEFAULT 0
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#define GREP_BINARY_NOMATCH 1
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#define GREP_BINARY_TEXT 2
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int binary;
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int allow_textconv;
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int extended;
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int use_reflog_filter;
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int pcre1;
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int pcre2;
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int relative;
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int pathname;
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int null_following_name;
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int only_matching;
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int color;
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int max_depth;
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int funcname;
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int funcbody;
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int extended_regexp_option;
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int pattern_type_option;
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char colors[NR_GREP_COLORS][COLOR_MAXLEN];
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unsigned pre_context;
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unsigned post_context;
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unsigned last_shown;
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int show_hunk_mark;
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int file_break;
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int heading;
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void *priv;
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void (*output)(struct grep_opt *opt, const void *data, size_t size);
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void *output_priv;
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};
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void init_grep_defaults(struct repository *);
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int grep_config(const char *var, const char *value, void *);
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void grep_init(struct grep_opt *, struct repository *repo, const char *prefix);
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void grep_commit_pattern_type(enum grep_pattern_type, struct grep_opt *opt);
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void append_grep_pat(struct grep_opt *opt, const char *pat, size_t patlen, const char *origin, int no, enum grep_pat_token t);
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void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);
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void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *);
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void compile_grep_patterns(struct grep_opt *opt);
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void free_grep_patterns(struct grep_opt *opt);
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int grep_buffer(struct grep_opt *opt, char *buf, unsigned long size);
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struct grep_source {
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char *name;
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enum grep_source_type {
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GREP_SOURCE_OID,
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GREP_SOURCE_FILE,
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GREP_SOURCE_BUF,
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} type;
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void *identifier;
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char *buf;
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unsigned long size;
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char *path; /* for attribute lookups */
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struct userdiff_driver *driver;
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};
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void grep_source_init(struct grep_source *gs, enum grep_source_type type,
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const char *name, const char *path,
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const void *identifier);
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void grep_source_clear_data(struct grep_source *gs);
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void grep_source_clear(struct grep_source *gs);
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void grep_source_load_driver(struct grep_source *gs,
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struct index_state *istate);
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int grep_source(struct grep_opt *opt, struct grep_source *gs);
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struct grep_opt *grep_opt_dup(const struct grep_opt *opt);
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int grep_threads_ok(const struct grep_opt *opt);
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/*
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* Mutex used around access to the attributes machinery if
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* opt->use_threads. Must be initialized/destroyed by callers!
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*/
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extern int grep_use_locks;
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extern pthread_mutex_t grep_attr_mutex;
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extern pthread_mutex_t grep_read_mutex;
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static inline void grep_read_lock(void)
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{
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if (grep_use_locks)
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pthread_mutex_lock(&grep_read_mutex);
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}
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static inline void grep_read_unlock(void)
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{
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if (grep_use_locks)
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pthread_mutex_unlock(&grep_read_mutex);
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}
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#endif
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