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-rw-r--r--tools/perf/util/parse-options.h228
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diff --git a/tools/perf/util/parse-options.h b/tools/perf/util/parse-options.h
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--- a/tools/perf/util/parse-options.h
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-#ifndef __PERF_PARSE_OPTIONS_H
-#define __PERF_PARSE_OPTIONS_H
-
-#include <stdbool.h>
-#include <stdint.h>
-
-enum parse_opt_type {
- /* special types */
- OPTION_END,
- OPTION_ARGUMENT,
- OPTION_GROUP,
- /* options with no arguments */
- OPTION_BIT,
- OPTION_BOOLEAN,
- OPTION_INCR,
- OPTION_SET_UINT,
- OPTION_SET_PTR,
- /* options with arguments (usually) */
- OPTION_STRING,
- OPTION_INTEGER,
- OPTION_LONG,
- OPTION_CALLBACK,
- OPTION_U64,
- OPTION_UINTEGER,
-};
-
-enum parse_opt_flags {
- PARSE_OPT_KEEP_DASHDASH = 1,
- PARSE_OPT_STOP_AT_NON_OPTION = 2,
- PARSE_OPT_KEEP_ARGV0 = 4,
- PARSE_OPT_KEEP_UNKNOWN = 8,
- PARSE_OPT_NO_INTERNAL_HELP = 16,
-};
-
-enum parse_opt_option_flags {
- PARSE_OPT_OPTARG = 1,
- PARSE_OPT_NOARG = 2,
- PARSE_OPT_NONEG = 4,
- PARSE_OPT_HIDDEN = 8,
- PARSE_OPT_LASTARG_DEFAULT = 16,
- PARSE_OPT_DISABLED = 32,
- PARSE_OPT_EXCLUSIVE = 64,
- PARSE_OPT_NOEMPTY = 128,
- PARSE_OPT_NOBUILD = 256,
- PARSE_OPT_CANSKIP = 512,
-};
-
-struct option;
-typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
-
-/*
- * `type`::
- * holds the type of the option, you must have an OPTION_END last in your
- * array.
- *
- * `short_name`::
- * the character to use as a short option name, '\0' if none.
- *
- * `long_name`::
- * the long option name, without the leading dashes, NULL if none.
- *
- * `value`::
- * stores pointers to the values to be filled.
- *
- * `argh`::
- * token to explain the kind of argument this option wants. Keep it
- * homogenous across the repository.
- *
- * `help`::
- * the short help associated to what the option does.
- * Must never be NULL (except for OPTION_END).
- * OPTION_GROUP uses this pointer to store the group header.
- *
- * `flags`::
- * mask of parse_opt_option_flags.
- * PARSE_OPT_OPTARG: says that the argument is optionnal (not for BOOLEANs)
- * PARSE_OPT_NOARG: says that this option takes no argument, for CALLBACKs
- * PARSE_OPT_NONEG: says that this option cannot be negated
- * PARSE_OPT_HIDDEN this option is skipped in the default usage, showed in
- * the long one.
- *
- * `callback`::
- * pointer to the callback to use for OPTION_CALLBACK.
- *
- * `defval`::
- * default value to fill (*->value) with for PARSE_OPT_OPTARG.
- * OPTION_{BIT,SET_UINT,SET_PTR} store the {mask,integer,pointer} to put in
- * the value when met.
- * CALLBACKS can use it like they want.
- *
- * `set`::
- * whether an option was set by the user
- */
-struct option {
- enum parse_opt_type type;
- int short_name;
- const char *long_name;
- void *value;
- const char *argh;
- const char *help;
- const char *build_opt;
-
- int flags;
- parse_opt_cb *callback;
- intptr_t defval;
- bool *set;
- void *data;
-};
-
-#define check_vtype(v, type) ( BUILD_BUG_ON_ZERO(!__builtin_types_compatible_p(typeof(v), type)) + v )
-
-#define OPT_END() { .type = OPTION_END }
-#define OPT_ARGUMENT(l, h) { .type = OPTION_ARGUMENT, .long_name = (l), .help = (h) }
-#define OPT_GROUP(h) { .type = OPTION_GROUP, .help = (h) }
-#define OPT_BIT(s, l, v, h, b) { .type = OPTION_BIT, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h), .defval = (b) }
-#define OPT_BOOLEAN(s, l, v, h) { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), .value = check_vtype(v, bool *), .help = (h) }
-#define OPT_BOOLEAN_FLAG(s, l, v, h, f) { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), .value = check_vtype(v, bool *), .help = (h), .flags = (f) }
-#define OPT_BOOLEAN_SET(s, l, v, os, h) \
- { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), \
- .value = check_vtype(v, bool *), .help = (h), \
- .set = check_vtype(os, bool *)}
-#define OPT_INCR(s, l, v, h) { .type = OPTION_INCR, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h) }
-#define OPT_SET_UINT(s, l, v, h, i) { .type = OPTION_SET_UINT, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned int *), .help = (h), .defval = (i) }
-#define OPT_SET_PTR(s, l, v, h, p) { .type = OPTION_SET_PTR, .short_name = (s), .long_name = (l), .value = (v), .help = (h), .defval = (p) }
-#define OPT_INTEGER(s, l, v, h) { .type = OPTION_INTEGER, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h) }
-#define OPT_UINTEGER(s, l, v, h) { .type = OPTION_UINTEGER, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned int *), .help = (h) }
-#define OPT_LONG(s, l, v, h) { .type = OPTION_LONG, .short_name = (s), .long_name = (l), .value = check_vtype(v, long *), .help = (h) }
-#define OPT_U64(s, l, v, h) { .type = OPTION_U64, .short_name = (s), .long_name = (l), .value = check_vtype(v, u64 *), .help = (h) }
-#define OPT_STRING(s, l, v, a, h) { .type = OPTION_STRING, .short_name = (s), .long_name = (l), .value = check_vtype(v, const char **), (a), .help = (h) }
-#define OPT_STRING_OPTARG(s, l, v, a, h, d) \
- { .type = OPTION_STRING, .short_name = (s), .long_name = (l), \
- .value = check_vtype(v, const char **), (a), .help = (h), \
- .flags = PARSE_OPT_OPTARG, .defval = (intptr_t)(d) }
-#define OPT_STRING_NOEMPTY(s, l, v, a, h) { .type = OPTION_STRING, .short_name = (s), .long_name = (l), .value = check_vtype(v, const char **), (a), .help = (h), .flags = PARSE_OPT_NOEMPTY}
-#define OPT_DATE(s, l, v, h) \
- { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = "time", .help = (h), .callback = parse_opt_approxidate_cb }
-#define OPT_CALLBACK(s, l, v, a, h, f) \
- { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), (a), .help = (h), .callback = (f) }
-#define OPT_CALLBACK_NOOPT(s, l, v, a, h, f) \
- { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), (a), .help = (h), .callback = (f), .flags = PARSE_OPT_NOARG }
-#define OPT_CALLBACK_DEFAULT(s, l, v, a, h, f, d) \
- { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), (a), .help = (h), .callback = (f), .defval = (intptr_t)d, .flags = PARSE_OPT_LASTARG_DEFAULT }
-#define OPT_CALLBACK_DEFAULT_NOOPT(s, l, v, a, h, f, d) \
- { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l),\
- .value = (v), (a), .help = (h), .callback = (f), .defval = (intptr_t)d,\
- .flags = PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NOARG}
-#define OPT_CALLBACK_OPTARG(s, l, v, d, a, h, f) \
- { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), \
- .value = (v), (a), .help = (h), .callback = (f), \
- .flags = PARSE_OPT_OPTARG, .data = (d) }
-
-/* parse_options() will filter out the processed options and leave the
- * non-option argments in argv[].
- * Returns the number of arguments left in argv[].
- *
- * NOTE: parse_options() and parse_options_subcommand() may call exit() in the
- * case of an error (or for 'special' options like --list-cmds or --list-opts).
- */
-extern int parse_options(int argc, const char **argv,
- const struct option *options,
- const char * const usagestr[], int flags);
-
-extern int parse_options_subcommand(int argc, const char **argv,
- const struct option *options,
- const char *const subcommands[],
- const char *usagestr[], int flags);
-
-extern NORETURN void usage_with_options(const char * const *usagestr,
- const struct option *options);
-extern NORETURN __attribute__((format(printf,3,4)))
-void usage_with_options_msg(const char * const *usagestr,
- const struct option *options,
- const char *fmt, ...);
-
-/*----- incremantal advanced APIs -----*/
-
-enum {
- PARSE_OPT_HELP = -1,
- PARSE_OPT_DONE,
- PARSE_OPT_LIST_OPTS,
- PARSE_OPT_LIST_SUBCMDS,
- PARSE_OPT_UNKNOWN,
-};
-
-/*
- * It's okay for the caller to consume argv/argc in the usual way.
- * Other fields of that structure are private to parse-options and should not
- * be modified in any way.
- */
-struct parse_opt_ctx_t {
- const char **argv;
- const char **out;
- int argc, cpidx;
- const char *opt;
- const struct option *excl_opt;
- int flags;
-};
-
-extern int parse_options_usage(const char * const *usagestr,
- const struct option *opts,
- const char *optstr,
- bool short_opt);
-
-
-/*----- some often used options -----*/
-extern int parse_opt_abbrev_cb(const struct option *, const char *, int);
-extern int parse_opt_approxidate_cb(const struct option *, const char *, int);
-extern int parse_opt_verbosity_cb(const struct option *, const char *, int);
-
-#define OPT__VERBOSE(var) OPT_BOOLEAN('v', "verbose", (var), "be verbose")
-#define OPT__QUIET(var) OPT_BOOLEAN('q', "quiet", (var), "be quiet")
-#define OPT__VERBOSITY(var) \
- { OPTION_CALLBACK, 'v', "verbose", (var), NULL, "be more verbose", \
- PARSE_OPT_NOARG, &parse_opt_verbosity_cb, 0 }, \
- { OPTION_CALLBACK, 'q', "quiet", (var), NULL, "be more quiet", \
- PARSE_OPT_NOARG, &parse_opt_verbosity_cb, 0 }
-#define OPT__DRY_RUN(var) OPT_BOOLEAN('n', "dry-run", (var), "dry run")
-#define OPT__ABBREV(var) \
- { OPTION_CALLBACK, 0, "abbrev", (var), "n", \
- "use <n> digits to display SHA-1s", \
- PARSE_OPT_OPTARG, &parse_opt_abbrev_cb, 0 }
-
-extern const char *parse_options_fix_filename(const char *prefix, const char *file);
-
-void set_option_flag(struct option *opts, int sopt, const char *lopt, int flag);
-void set_option_nobuild(struct option *opts, int shortopt, const char *longopt,
- const char *build_opt, bool can_skip);
-#endif /* __PERF_PARSE_OPTIONS_H */
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