decoded->errors = 0;
}
-/* Handle the switch DECODED (location LOC) for the language indicated
- by LANG_MASK, using the handlers in *HANDLERS and setting fields in
- OPTS and OPTS_SET and using diagnostic context DC (if not NULL) for
- diagnostic options. */
+/* Perform diagnostics for read_cmdline_option and control_warning_option
+ functions. Returns true if an error has been diagnosed.
+ LOC and LANG_MASK arguments like in read_cmdline_option.
+ OPTION is the option to report diagnostics for, OPT the name
+ of the option as text, ARG the argument of the option (for joined
+ options), ERRORS is bitmask of CL_ERR_* values. */
-void
-read_cmdline_option (struct gcc_options *opts,
- struct gcc_options *opts_set,
- struct cl_decoded_option *decoded,
- location_t loc,
- unsigned int lang_mask,
- const struct cl_option_handlers *handlers,
- diagnostic_context *dc)
+static bool
+cmdline_handle_error (location_t loc, const struct cl_option *option,
+ const char *opt, const char *arg, int errors,
+ unsigned int lang_mask)
{
- const struct cl_option *option;
- const char *opt = decoded->orig_option_with_args_text;
-
- if (decoded->warn_message)
- warning_at (loc, 0, decoded->warn_message, opt);
-
- if (decoded->opt_index == OPT_SPECIAL_unknown)
- {
- if (handlers->unknown_option_callback (decoded))
- error_at (loc, "unrecognized command line option %qs", decoded->arg);
- return;
- }
-
- if (decoded->opt_index == OPT_SPECIAL_ignore)
- return;
-
- option = &cl_options[decoded->opt_index];
-
- if (decoded->errors & CL_ERR_DISABLED)
+ if (errors & CL_ERR_DISABLED)
{
error_at (loc, "command line option %qs"
- " is not supported by this configuration", opt);
- return;
+ " is not supported by this configuration", opt);
+ return true;
}
- if (decoded->errors & CL_ERR_MISSING_ARG)
+ if (errors & CL_ERR_MISSING_ARG)
{
if (option->missing_argument_error)
error_at (loc, option->missing_argument_error, opt);
else
error_at (loc, "missing argument to %qs", opt);
- return;
+ return true;
}
- if (decoded->errors & CL_ERR_UINT_ARG)
+ if (errors & CL_ERR_UINT_ARG)
{
error_at (loc, "argument to %qs should be a non-negative integer",
option->opt_text);
- return;
+ return true;
}
- if (decoded->errors & CL_ERR_ENUM_ARG)
+ if (errors & CL_ERR_ENUM_ARG)
{
const struct cl_enum *e = &cl_enums[option->var_enum];
unsigned int i;
char *s, *p;
if (e->unknown_error)
- error_at (loc, e->unknown_error, decoded->arg);
+ error_at (loc, e->unknown_error, arg);
else
error_at (loc, "unrecognized argument in option %qs", opt);
}
p[-1] = 0;
inform (loc, "valid arguments to %qs are: %s", option->opt_text, s);
+ return true;
+ }
+
+ return false;
+}
+
+/* Handle the switch DECODED (location LOC) for the language indicated
+ by LANG_MASK, using the handlers in *HANDLERS and setting fields in
+ OPTS and OPTS_SET and using diagnostic context DC (if not NULL) for
+ diagnostic options. */
+
+void
+read_cmdline_option (struct gcc_options *opts,
+ struct gcc_options *opts_set,
+ struct cl_decoded_option *decoded,
+ location_t loc,
+ unsigned int lang_mask,
+ const struct cl_option_handlers *handlers,
+ diagnostic_context *dc)
+{
+ const struct cl_option *option;
+ const char *opt = decoded->orig_option_with_args_text;
+
+ if (decoded->warn_message)
+ warning_at (loc, 0, decoded->warn_message, opt);
+
+ if (decoded->opt_index == OPT_SPECIAL_unknown)
+ {
+ if (handlers->unknown_option_callback (decoded))
+ error_at (loc, "unrecognized command line option %qs", decoded->arg);
return;
}
+ if (decoded->opt_index == OPT_SPECIAL_ignore)
+ return;
+
+ option = &cl_options[decoded->opt_index];
+
+ if (decoded->errors
+ && cmdline_handle_error (loc, option, opt, decoded->arg,
+ decoded->errors, lang_mask))
+ return;
+
if (decoded->errors & CL_ERR_WRONG_LANG)
{
handlers->wrong_lang_callback (decoded, lang_mask);
/* Set a warning option OPT_INDEX (language mask LANG_MASK, option
handlers HANDLERS) to have diagnostic kind KIND for option
structures OPTS and OPTS_SET and diagnostic context DC (possibly
- NULL), at location LOC (UNKNOWN_LOCATION for -Werror=). If IMPLY,
+ NULL), at location LOC (UNKNOWN_LOCATION for -Werror=). ARG is the
+ argument of the option for joined options, or NULL otherwise. If IMPLY,
the warning option in question is implied at this point. This is
used by -Werror= and #pragma GCC diagnostic. */
void
-control_warning_option (unsigned int opt_index, int kind, bool imply,
- location_t loc, unsigned int lang_mask,
+control_warning_option (unsigned int opt_index, int kind, const char *arg,
+ bool imply, location_t loc, unsigned int lang_mask,
const struct cl_option_handlers *handlers,
struct gcc_options *opts,
struct gcc_options *opts_set,
diagnostic_classify_diagnostic (dc, opt_index, (diagnostic_t) kind, loc);
if (imply)
{
+ const struct cl_option *option = &cl_options[opt_index];
+
/* -Werror=foo implies -Wfoo. */
- if (cl_options[opt_index].var_type == CLVC_BOOLEAN)
- handle_generated_option (opts, opts_set,
- opt_index, NULL, 1, lang_mask,
- kind, loc, handlers, dc);
+ if (option->var_type == CLVC_BOOLEAN || option->var_type == CLVC_ENUM)
+ {
+ int value = 1;
+
+ if (arg && *arg == '\0' && !option->cl_missing_ok)
+ arg = NULL;
+
+ if ((option->flags & CL_JOINED) && arg == NULL)
+ {
+ cmdline_handle_error (loc, option, option->opt_text, arg,
+ CL_ERR_MISSING_ARG, lang_mask);
+ return;
+ }
+
+ /* If the switch takes an integer, convert it. */
+ if (arg && option->cl_uinteger)
+ {
+ value = integral_argument (arg);
+ if (value == -1)
+ {
+ cmdline_handle_error (loc, option, option->opt_text, arg,
+ CL_ERR_UINT_ARG, lang_mask);
+ return;
+ }
+ }
+
+ /* If the switch takes an enumerated argument, convert it. */
+ if (arg && option->var_type == CLVC_ENUM)
+ {
+ const struct cl_enum *e = &cl_enums[option->var_enum];
+
+ if (enum_arg_to_value (e->values, arg, &value, lang_mask))
+ {
+ const char *carg = NULL;
+
+ if (enum_value_to_arg (e->values, &carg, value, lang_mask))
+ arg = carg;
+ gcc_assert (carg != NULL);
+ }
+ else
+ {
+ cmdline_handle_error (loc, option, option->opt_text, arg,
+ CL_ERR_ENUM_ARG, lang_mask);
+ return;
+ }
+ }
+
+ handle_generated_option (opts, opts_set,
+ opt_index, arg, value, lang_mask,
+ kind, loc, handlers, dc);
+ }
}
}
projects / gcc.git / commitdiff