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| author | Martin Liska <mliska@suse.cz> | 2018-09-03 10:16:27 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2018-09-03 08:16:27 +0000 |
| commit | c98c243078c380ad4c9a1ef08869d3b64abb128f (patch) | |
| tree | f170c789ad3b3928dd6a9c1052207da98693895c /gcc/opts.c | |
| parent | d1dfeff07917739fd5ae157be0825a757c576bef (diff) | |
| download | gcc-c98c243078c380ad4c9a1ef08869d3b64abb128f.tar.gz | |
Come up with TARGET_GET_VALID_OPTION_VALUES option hook (PR driver/83193).
2018-09-03 Martin Liska <mliska@suse.cz>
PR driver/83193
* common/common-target.def: Add TARGET_GET_VALID_OPTION_VALUES.
* common/common-targhooks.c (default_get_valid_option_values):
New function.
* common/common-targhooks.h (default_get_valid_option_values):
Likewise.
* common/config/i386/i386-common.c: Move processor_target_table
from i386.c.
(ix86_get_valid_option_values): New function.
(TARGET_GET_VALID_OPTION_VALUES): New macro.
* config/i386/i386.c (struct ptt): Move to i386-common.c.
(PTA_*): Move all defined masks into i386-common.c.
(ix86_function_specific_restore): Use new processor_cost_table.
* config/i386/i386.h (struct ptt): Moved from i386.c.
(struct pta): Likewise.
* doc/tm.texi: Document new TARGET_GET_VALID_OPTION_VALUES.
* doc/tm.texi.in: Likewise.
* opt-suggestions.c (option_proposer::suggest_option):
Pass prefix to build_option_suggestions.
(option_proposer::get_completions): Likewise.
(option_proposer::build_option_suggestions): Use the new target
hook.
* opts.c (struct option_help_tuple): New struct.
(print_filtered_help): Use the new target hook.
2018-09-03 Martin Liska <mliska@suse.cz>
PR driver/83193
* gcc.dg/completion-4.c: New test.
From-SVN: r264052
Diffstat (limited to 'gcc/opts.c')
| -rw-r--r-- | gcc/opts.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/opts.c b/gcc/opts.c index a5c9ed9d09d..dc12c2ecefd 100644 --- a/gcc/opts.c +++ b/gcc/opts.c @@ -1090,6 +1090,21 @@ wrap_help (const char *help, while (remaining); } +/* Data structure used to print list of valid option values. */ + +struct option_help_tuple +{ + option_help_tuple (int code, vec<const char *> values): + m_code (code), m_values (values) + {} + + /* Code of an option. */ + int m_code; + + /* List of possible values. */ + vec<const char *> m_values; +}; + /* Print help for a specific front-end, etc. */ static void print_filtered_help (unsigned int include_flags, @@ -1143,6 +1158,8 @@ print_filtered_help (unsigned int include_flags, if (!opts->x_help_enum_printed) opts->x_help_enum_printed = XCNEWVAR (char, cl_enums_count); + auto_vec<option_help_tuple> help_tuples; + for (i = 0; i < cl_options_count; i++) { const struct cl_option *option = cl_options + i; @@ -1303,6 +1320,13 @@ print_filtered_help (unsigned int include_flags, if (option->var_type == CLVC_ENUM && opts->x_help_enum_printed[option->var_enum] != 2) opts->x_help_enum_printed[option->var_enum] = 1; + else + { + vec<const char *> option_values + = targetm_common.get_valid_option_values (i, NULL); + if (!option_values.is_empty ()) + help_tuples.safe_push (option_help_tuple (i, option_values)); + } } if (! found) @@ -1366,6 +1390,15 @@ print_filtered_help (unsigned int include_flags, printf ("\n\n"); opts->x_help_enum_printed[i] = 2; } + + for (unsigned i = 0; i < help_tuples.length (); i++) + { + const struct cl_option *option = cl_options + help_tuples[i].m_code; + printf (" Known valid arguments for %s option:\n ", option->opt_text); + for (unsigned j = 0; j < help_tuples[i].m_values.length (); j++) + printf (" %s", help_tuples[i].m_values[j]); + printf ("\n\n"); + } } /* Display help for a specified type of option. |