/* Decode and handle the vector of command line options. LANG_MASK
contains has a single bit set representing the current
language. */
static void
handle_options (unsigned int argc, const char **argv, unsigned int lang_mask)
{
unsigned int n, i;
for (i = 1; i < argc; i += n)
{
const char *opt = argv[i];
/* Interpret "-" or a non-switch as a file name. */
if (opt[0] != '-' || opt[1] == '\0')
{
if (main_input_filename == NULL)
main_input_filename = opt;
add_input_filename (opt);
n = 1;
continue;
}
n = handle_option (argv + i, lang_mask);
if (!n)
{
n = 1;
error ("unrecognized command line option \"%s\"", opt);
}
}
}
static void
read_cmdline_options (struct gcc_options *opts, struct gcc_options *opts_set,
struct cl_decoded_option *decoded_options,
unsigned int decoded_options_count,
location_t loc,
unsigned int lang_mask,
const struct cl_option_handlers *handlers,
diagnostic_context *dc)
{
unsigned int i;
for (i = 1; i < decoded_options_count; i++)
{
if (decoded_options[i].opt_index == OPT_SPECIAL_input_file)
{
/* Input files should only ever appear on the main command
line. */
gcc_assert (opts == &global_options);
gcc_assert (opts_set == &global_options_set);
if (opts->x_main_input_filename == NULL)
{
opts->x_main_input_filename = decoded_options[i].arg;
opts->x_main_input_baselength
= base_of_path (opts->x_main_input_filename,
&opts->x_main_input_basename);
}
add_input_filename (decoded_options[i].arg);
continue;
}
read_cmdline_option (opts, opts_set,
decoded_options + i, loc, lang_mask, handlers,
dc);
}
}
