Support again multiple --help options (PR other/90315).

2019-05-28  Martin Liska  <mliska@suse.cz>

	PR other/90315
	* opts-global.c (decode_options): Print help for all
	help_option_arguments.
	* opts.c (print_help): Add new argument.
	(common_handle_option): Remember all values into
	help_option_arguments.
	* opts.h (print_help): Add new argument.

From-SVN: r271700
This commit is contained in:
Martin Liska 2019-05-28 14:05:50 +02:00 committed by Martin Liska
parent 392d2ff3bd
commit bc405869c2
4 changed files with 22 additions and 7 deletions

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@ -1,3 +1,13 @@
2019-05-28 Martin Liska <mliska@suse.cz>
PR other/90315
* opts-global.c (decode_options): Print help for all
help_option_arguments.
* opts.c (print_help): Add new argument.
(common_handle_option): Remember all values into
help_option_arguments.
* opts.h (print_help): Add new argument.
2019-05-28 Martin Liska <mliska@suse.cz>
PR ipa/90555

View File

@ -317,8 +317,11 @@ decode_options (struct gcc_options *opts, struct gcc_options *opts_set,
finish_options (opts, opts_set, loc);
/* Print --help=* if used. */
if (help_option_argument != NULL)
print_help (opts, lang_mask);
unsigned i;
const char *arg;
FOR_EACH_VEC_ELT (help_option_arguments, i, arg)
print_help (opts, lang_mask, arg);
}
/* Hold command-line options associated with stack limitation. */

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@ -856,7 +856,7 @@ control_options_for_live_patching (struct gcc_options *opts,
}
/* --help option argument if set. */
const char *help_option_argument = NULL;
vec<const char *> help_option_arguments;
/* After all options at LOC have been read into OPTS and OPTS_SET,
@ -2062,7 +2062,8 @@ check_alignment_argument (location_t loc, const char *flag, const char *name)
/* Print help when OPT__help_ is set. */
void
print_help (struct gcc_options *opts, unsigned int lang_mask)
print_help (struct gcc_options *opts, unsigned int lang_mask,
const char *help_option_argument)
{
const char *a = help_option_argument;
unsigned int include_flags = 0;
@ -2255,7 +2256,7 @@ common_handle_option (struct gcc_options *opts,
case OPT__help_:
{
help_option_argument = arg;
help_option_arguments.safe_push (arg);
opts->x_exit_after_options = true;
break;
}

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@ -419,7 +419,8 @@ extern bool target_handle_option (struct gcc_options *opts,
extern void finish_options (struct gcc_options *opts,
struct gcc_options *opts_set,
location_t loc);
extern void print_help (struct gcc_options *opts, unsigned int lang_mask);
extern void print_help (struct gcc_options *opts, unsigned int lang_mask, const
char *help_option_argument);
extern void default_options_optimization (struct gcc_options *opts,
struct gcc_options *opts_set,
struct cl_decoded_option *decoded_options,
@ -443,7 +444,7 @@ extern const struct sanitizer_opts_s
bool can_recover;
} sanitizer_opts[];
extern const char *help_option_argument;
extern vec<const char *> help_option_arguments;
extern void add_misspelling_candidates (auto_vec<char *> *candidates,
const struct cl_option *option,