diff options
Diffstat (limited to 'ANDROID_3.4.5/tools/perf/util/parse-options.c')
-rw-r--r-- | ANDROID_3.4.5/tools/perf/util/parse-options.c | 577 |
1 files changed, 0 insertions, 577 deletions
diff --git a/ANDROID_3.4.5/tools/perf/util/parse-options.c b/ANDROID_3.4.5/tools/perf/util/parse-options.c deleted file mode 100644 index 99d02aa5..00000000 --- a/ANDROID_3.4.5/tools/perf/util/parse-options.c +++ /dev/null @@ -1,577 +0,0 @@ -#include "util.h" -#include "parse-options.h" -#include "cache.h" - -#define OPT_SHORT 1 -#define OPT_UNSET 2 - -static int opterror(const struct option *opt, const char *reason, int flags) -{ - if (flags & OPT_SHORT) - return error("switch `%c' %s", opt->short_name, reason); - if (flags & OPT_UNSET) - return error("option `no-%s' %s", opt->long_name, reason); - return error("option `%s' %s", opt->long_name, reason); -} - -static int get_arg(struct parse_opt_ctx_t *p, const struct option *opt, - int flags, const char **arg) -{ - if (p->opt) { - *arg = p->opt; - p->opt = NULL; - } else if ((opt->flags & PARSE_OPT_LASTARG_DEFAULT) && (p->argc == 1 || - **(p->argv + 1) == '-')) { - *arg = (const char *)opt->defval; - } else if (p->argc > 1) { - p->argc--; - *arg = *++p->argv; - } else - return opterror(opt, "requires a value", flags); - return 0; -} - -static int get_value(struct parse_opt_ctx_t *p, - const struct option *opt, int flags) -{ - const char *s, *arg = NULL; - const int unset = flags & OPT_UNSET; - - if (unset && p->opt) - return opterror(opt, "takes no value", flags); - if (unset && (opt->flags & PARSE_OPT_NONEG)) - return opterror(opt, "isn't available", flags); - - if (!(flags & OPT_SHORT) && p->opt) { - switch (opt->type) { - case OPTION_CALLBACK: - if (!(opt->flags & PARSE_OPT_NOARG)) - break; - /* FALLTHROUGH */ - case OPTION_BOOLEAN: - case OPTION_INCR: - case OPTION_BIT: - case OPTION_SET_UINT: - case OPTION_SET_PTR: - return opterror(opt, "takes no value", flags); - case OPTION_END: - case OPTION_ARGUMENT: - case OPTION_GROUP: - case OPTION_STRING: - case OPTION_INTEGER: - case OPTION_UINTEGER: - case OPTION_LONG: - case OPTION_U64: - default: - break; - } - } - - switch (opt->type) { - case OPTION_BIT: - if (unset) - *(int *)opt->value &= ~opt->defval; - else - *(int *)opt->value |= opt->defval; - return 0; - - case OPTION_BOOLEAN: - *(bool *)opt->value = unset ? false : true; - return 0; - - case OPTION_INCR: - *(int *)opt->value = unset ? 0 : *(int *)opt->value + 1; - return 0; - - case OPTION_SET_UINT: - *(unsigned int *)opt->value = unset ? 0 : opt->defval; - return 0; - - case OPTION_SET_PTR: - *(void **)opt->value = unset ? NULL : (void *)opt->defval; - return 0; - - case OPTION_STRING: - if (unset) - *(const char **)opt->value = NULL; - else if (opt->flags & PARSE_OPT_OPTARG && !p->opt) - *(const char **)opt->value = (const char *)opt->defval; - else - return get_arg(p, opt, flags, (const char **)opt->value); - return 0; - - case OPTION_CALLBACK: - if (unset) - return (*opt->callback)(opt, NULL, 1) ? (-1) : 0; - if (opt->flags & PARSE_OPT_NOARG) - return (*opt->callback)(opt, NULL, 0) ? (-1) : 0; - if (opt->flags & PARSE_OPT_OPTARG && !p->opt) - return (*opt->callback)(opt, NULL, 0) ? (-1) : 0; - if (get_arg(p, opt, flags, &arg)) - return -1; - return (*opt->callback)(opt, arg, 0) ? (-1) : 0; - - case OPTION_INTEGER: - if (unset) { - *(int *)opt->value = 0; - return 0; - } - if (opt->flags & PARSE_OPT_OPTARG && !p->opt) { - *(int *)opt->value = opt->defval; - return 0; - } - if (get_arg(p, opt, flags, &arg)) - return -1; - *(int *)opt->value = strtol(arg, (char **)&s, 10); - if (*s) - return opterror(opt, "expects a numerical value", flags); - return 0; - - case OPTION_UINTEGER: - if (unset) { - *(unsigned int *)opt->value = 0; - return 0; - } - if (opt->flags & PARSE_OPT_OPTARG && !p->opt) { - *(unsigned int *)opt->value = opt->defval; - return 0; - } - if (get_arg(p, opt, flags, &arg)) - return -1; - *(unsigned int *)opt->value = strtol(arg, (char **)&s, 10); - if (*s) - return opterror(opt, "expects a numerical value", flags); - return 0; - - case OPTION_LONG: - if (unset) { - *(long *)opt->value = 0; - return 0; - } - if (opt->flags & PARSE_OPT_OPTARG && !p->opt) { - *(long *)opt->value = opt->defval; - return 0; - } - if (get_arg(p, opt, flags, &arg)) - return -1; - *(long *)opt->value = strtol(arg, (char **)&s, 10); - if (*s) - return opterror(opt, "expects a numerical value", flags); - return 0; - - case OPTION_U64: - if (unset) { - *(u64 *)opt->value = 0; - return 0; - } - if (opt->flags & PARSE_OPT_OPTARG && !p->opt) { - *(u64 *)opt->value = opt->defval; - return 0; - } - if (get_arg(p, opt, flags, &arg)) - return -1; - *(u64 *)opt->value = strtoull(arg, (char **)&s, 10); - if (*s) - return opterror(opt, "expects a numerical value", flags); - return 0; - - case OPTION_END: - case OPTION_ARGUMENT: - case OPTION_GROUP: - default: - die("should not happen, someone must be hit on the forehead"); - } -} - -static int parse_short_opt(struct parse_opt_ctx_t *p, const struct option *options) -{ - for (; options->type != OPTION_END; options++) { - if (options->short_name == *p->opt) { - p->opt = p->opt[1] ? p->opt + 1 : NULL; - return get_value(p, options, OPT_SHORT); - } - } - return -2; -} - -static int parse_long_opt(struct parse_opt_ctx_t *p, const char *arg, - const struct option *options) -{ - const char *arg_end = strchr(arg, '='); - const struct option *abbrev_option = NULL, *ambiguous_option = NULL; - int abbrev_flags = 0, ambiguous_flags = 0; - - if (!arg_end) - arg_end = arg + strlen(arg); - - for (; options->type != OPTION_END; options++) { - const char *rest; - int flags = 0; - - if (!options->long_name) - continue; - - rest = skip_prefix(arg, options->long_name); - if (options->type == OPTION_ARGUMENT) { - if (!rest) - continue; - if (*rest == '=') - return opterror(options, "takes no value", flags); - if (*rest) - continue; - p->out[p->cpidx++] = arg - 2; - return 0; - } - if (!rest) { - /* abbreviated? */ - if (!strncmp(options->long_name, arg, arg_end - arg)) { -is_abbreviated: - if (abbrev_option) { - /* - * If this is abbreviated, it is - * ambiguous. So when there is no - * exact match later, we need to - * error out. - */ - ambiguous_option = abbrev_option; - ambiguous_flags = abbrev_flags; - } - if (!(flags & OPT_UNSET) && *arg_end) - p->opt = arg_end + 1; - abbrev_option = options; - abbrev_flags = flags; - continue; - } - /* negated and abbreviated very much? */ - if (!prefixcmp("no-", arg)) { - flags |= OPT_UNSET; - goto is_abbreviated; - } - /* negated? */ - if (strncmp(arg, "no-", 3)) - continue; - flags |= OPT_UNSET; - rest = skip_prefix(arg + 3, options->long_name); - /* abbreviated and negated? */ - if (!rest && !prefixcmp(options->long_name, arg + 3)) - goto is_abbreviated; - if (!rest) - continue; - } - if (*rest) { - if (*rest != '=') - continue; - p->opt = rest + 1; - } - return get_value(p, options, flags); - } - - if (ambiguous_option) - return error("Ambiguous option: %s " - "(could be --%s%s or --%s%s)", - arg, - (ambiguous_flags & OPT_UNSET) ? "no-" : "", - ambiguous_option->long_name, - (abbrev_flags & OPT_UNSET) ? "no-" : "", - abbrev_option->long_name); - if (abbrev_option) - return get_value(p, abbrev_option, abbrev_flags); - return -2; -} - -static void check_typos(const char *arg, const struct option *options) -{ - if (strlen(arg) < 3) - return; - - if (!prefixcmp(arg, "no-")) { - error ("did you mean `--%s` (with two dashes ?)", arg); - exit(129); - } - - for (; options->type != OPTION_END; options++) { - if (!options->long_name) - continue; - if (!prefixcmp(options->long_name, arg)) { - error ("did you mean `--%s` (with two dashes ?)", arg); - exit(129); - } - } -} - -void parse_options_start(struct parse_opt_ctx_t *ctx, - int argc, const char **argv, int flags) -{ - memset(ctx, 0, sizeof(*ctx)); - ctx->argc = argc - 1; - ctx->argv = argv + 1; - ctx->out = argv; - ctx->cpidx = ((flags & PARSE_OPT_KEEP_ARGV0) != 0); - ctx->flags = flags; - if ((flags & PARSE_OPT_KEEP_UNKNOWN) && - (flags & PARSE_OPT_STOP_AT_NON_OPTION)) - die("STOP_AT_NON_OPTION and KEEP_UNKNOWN don't go together"); -} - -static int usage_with_options_internal(const char * const *, - const struct option *, int); - -int parse_options_step(struct parse_opt_ctx_t *ctx, - const struct option *options, - const char * const usagestr[]) -{ - int internal_help = !(ctx->flags & PARSE_OPT_NO_INTERNAL_HELP); - - /* we must reset ->opt, unknown short option leave it dangling */ - ctx->opt = NULL; - - for (; ctx->argc; ctx->argc--, ctx->argv++) { - const char *arg = ctx->argv[0]; - - if (*arg != '-' || !arg[1]) { - if (ctx->flags & PARSE_OPT_STOP_AT_NON_OPTION) - break; - ctx->out[ctx->cpidx++] = ctx->argv[0]; - continue; - } - - if (arg[1] != '-') { - ctx->opt = arg + 1; - if (internal_help && *ctx->opt == 'h') - return parse_options_usage(usagestr, options); - switch (parse_short_opt(ctx, options)) { - case -1: - return parse_options_usage(usagestr, options); - case -2: - goto unknown; - default: - break; - } - if (ctx->opt) - check_typos(arg + 1, options); - while (ctx->opt) { - if (internal_help && *ctx->opt == 'h') - return parse_options_usage(usagestr, options); - switch (parse_short_opt(ctx, options)) { - case -1: - return parse_options_usage(usagestr, options); - case -2: - /* fake a short option thing to hide the fact that we may have - * started to parse aggregated stuff - * - * This is leaky, too bad. - */ - ctx->argv[0] = strdup(ctx->opt - 1); - *(char *)ctx->argv[0] = '-'; - goto unknown; - default: - break; - } - } - continue; - } - - if (!arg[2]) { /* "--" */ - if (!(ctx->flags & PARSE_OPT_KEEP_DASHDASH)) { - ctx->argc--; - ctx->argv++; - } - break; - } - - if (internal_help && !strcmp(arg + 2, "help-all")) - return usage_with_options_internal(usagestr, options, 1); - if (internal_help && !strcmp(arg + 2, "help")) - return parse_options_usage(usagestr, options); - switch (parse_long_opt(ctx, arg + 2, options)) { - case -1: - return parse_options_usage(usagestr, options); - case -2: - goto unknown; - default: - break; - } - continue; -unknown: - if (!(ctx->flags & PARSE_OPT_KEEP_UNKNOWN)) - return PARSE_OPT_UNKNOWN; - ctx->out[ctx->cpidx++] = ctx->argv[0]; - ctx->opt = NULL; - } - return PARSE_OPT_DONE; -} - -int parse_options_end(struct parse_opt_ctx_t *ctx) -{ - memmove(ctx->out + ctx->cpidx, ctx->argv, ctx->argc * sizeof(*ctx->out)); - ctx->out[ctx->cpidx + ctx->argc] = NULL; - return ctx->cpidx + ctx->argc; -} - -int parse_options(int argc, const char **argv, const struct option *options, - const char * const usagestr[], int flags) -{ - struct parse_opt_ctx_t ctx; - - parse_options_start(&ctx, argc, argv, flags); - switch (parse_options_step(&ctx, options, usagestr)) { - case PARSE_OPT_HELP: - exit(129); - case PARSE_OPT_DONE: - break; - default: /* PARSE_OPT_UNKNOWN */ - if (ctx.argv[0][1] == '-') { - error("unknown option `%s'", ctx.argv[0] + 2); - } else { - error("unknown switch `%c'", *ctx.opt); - } - usage_with_options(usagestr, options); - } - - return parse_options_end(&ctx); -} - -#define USAGE_OPTS_WIDTH 24 -#define USAGE_GAP 2 - -int usage_with_options_internal(const char * const *usagestr, - const struct option *opts, int full) -{ - if (!usagestr) - return PARSE_OPT_HELP; - - fprintf(stderr, "\n usage: %s\n", *usagestr++); - while (*usagestr && **usagestr) - fprintf(stderr, " or: %s\n", *usagestr++); - while (*usagestr) { - fprintf(stderr, "%s%s\n", - **usagestr ? " " : "", - *usagestr); - usagestr++; - } - - if (opts->type != OPTION_GROUP) - fputc('\n', stderr); - - for (; opts->type != OPTION_END; opts++) { - size_t pos; - int pad; - - if (opts->type == OPTION_GROUP) { - fputc('\n', stderr); - if (*opts->help) - fprintf(stderr, "%s\n", opts->help); - continue; - } - if (!full && (opts->flags & PARSE_OPT_HIDDEN)) - continue; - - pos = fprintf(stderr, " "); - if (opts->short_name) - pos += fprintf(stderr, "-%c", opts->short_name); - else - pos += fprintf(stderr, " "); - - if (opts->long_name && opts->short_name) - pos += fprintf(stderr, ", "); - if (opts->long_name) - pos += fprintf(stderr, "--%s", opts->long_name); - - switch (opts->type) { - case OPTION_ARGUMENT: - break; - case OPTION_LONG: - case OPTION_U64: - case OPTION_INTEGER: - case OPTION_UINTEGER: - if (opts->flags & PARSE_OPT_OPTARG) - if (opts->long_name) - pos += fprintf(stderr, "[=<n>]"); - else - pos += fprintf(stderr, "[<n>]"); - else - pos += fprintf(stderr, " <n>"); - break; - case OPTION_CALLBACK: - if (opts->flags & PARSE_OPT_NOARG) - break; - /* FALLTHROUGH */ - case OPTION_STRING: - if (opts->argh) { - if (opts->flags & PARSE_OPT_OPTARG) - if (opts->long_name) - pos += fprintf(stderr, "[=<%s>]", opts->argh); - else - pos += fprintf(stderr, "[<%s>]", opts->argh); - else - pos += fprintf(stderr, " <%s>", opts->argh); - } else { - if (opts->flags & PARSE_OPT_OPTARG) - if (opts->long_name) - pos += fprintf(stderr, "[=...]"); - else - pos += fprintf(stderr, "[...]"); - else - pos += fprintf(stderr, " ..."); - } - break; - default: /* OPTION_{BIT,BOOLEAN,SET_UINT,SET_PTR} */ - case OPTION_END: - case OPTION_GROUP: - case OPTION_BIT: - case OPTION_BOOLEAN: - case OPTION_INCR: - case OPTION_SET_UINT: - case OPTION_SET_PTR: - break; - } - - if (pos <= USAGE_OPTS_WIDTH) - pad = USAGE_OPTS_WIDTH - pos; - else { - fputc('\n', stderr); - pad = USAGE_OPTS_WIDTH; - } - fprintf(stderr, "%*s%s\n", pad + USAGE_GAP, "", opts->help); - } - fputc('\n', stderr); - - return PARSE_OPT_HELP; -} - -void usage_with_options(const char * const *usagestr, - const struct option *opts) -{ - exit_browser(false); - usage_with_options_internal(usagestr, opts, 0); - exit(129); -} - -int parse_options_usage(const char * const *usagestr, - const struct option *opts) -{ - return usage_with_options_internal(usagestr, opts, 0); -} - - -int parse_opt_verbosity_cb(const struct option *opt, const char *arg __used, - int unset) -{ - int *target = opt->value; - - if (unset) - /* --no-quiet, --no-verbose */ - *target = 0; - else if (opt->short_name == 'v') { - if (*target >= 0) - (*target)++; - else - *target = 1; - } else { - if (*target <= 0) - (*target)--; - else - *target = -1; - } - return 0; -} |