/* Command line option handling.
- Copyright (C) 2006, 2007, 2008, 2010 Free Software Foundation, Inc.
+ Copyright (C) 2006, 2007, 2008, 2010, 2011 Free Software Foundation, Inc.
This file is part of GCC.
#include "intl.h"
#include "coretypes.h"
#include "opts.h"
-#include "options.h"
+#include "flags.h"
#include "diagnostic.h"
-#include "tm.h" /* For SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG and
- TARGET_OPTION_TRANSLATE_TABLE. */
static void prune_options (struct cl_decoded_option **, unsigned int *);
front end, the longest match for a different front end is returned
(or N_OPTS if none) and the caller emits an error message. */
size_t
-find_opt (const char *input, int lang_mask)
+find_opt (const char *input, unsigned int lang_mask)
{
size_t mn, mn_orig, mx, md, opt_len;
size_t match_wrong_lang;
return true;
}
+/* Return whether ENUM_ARG is OK for the language given by
+ LANG_MASK. */
+
+static bool
+enum_arg_ok_for_language (const struct cl_enum_arg *enum_arg,
+ unsigned int lang_mask)
+{
+ return (lang_mask & CL_DRIVER) || !(enum_arg->flags & CL_ENUM_DRIVER_ONLY);
+}
+
+/* Look up ARG in ENUM_ARGS for language LANG_MASK, returning true and
+ storing the value in *VALUE if found, and returning false without
+ modifying *VALUE if not found. */
+
+static bool
+enum_arg_to_value (const struct cl_enum_arg *enum_args,
+ const char *arg, int *value, unsigned int lang_mask)
+{
+ unsigned int i;
+
+ for (i = 0; enum_args[i].arg != NULL; i++)
+ if (strcmp (arg, enum_args[i].arg) == 0
+ && enum_arg_ok_for_language (&enum_args[i], lang_mask))
+ {
+ *value = enum_args[i].value;
+ return true;
+ }
+
+ return false;
+}
+
+/* Look up ARG in the enum used by option OPT_INDEX for language
+ LANG_MASK, returning true and storing the value in *VALUE if found,
+ and returning false without modifying *VALUE if not found. */
+
+bool
+opt_enum_arg_to_value (size_t opt_index, const char *arg, int *value,
+ unsigned int lang_mask)
+{
+ const struct cl_option *option = &cl_options[opt_index];
+
+ gcc_assert (option->var_type == CLVC_ENUM);
+
+ return enum_arg_to_value (cl_enums[option->var_enum].values, arg,
+ value, lang_mask);
+}
+
+/* Look of VALUE in ENUM_ARGS for language LANG_MASK and store the
+ corresponding string in *ARGP, returning true if the found string
+ was marked as canonical, false otherwise. If VALUE is not found
+ (which may be the case for uninitialized values if the relevant
+ option has not been passed), set *ARGP to NULL and return
+ false. */
+
+bool
+enum_value_to_arg (const struct cl_enum_arg *enum_args,
+ const char **argp, int value, unsigned int lang_mask)
+{
+ unsigned int i;
+
+ for (i = 0; enum_args[i].arg != NULL; i++)
+ if (enum_args[i].value == value
+ && (enum_args[i].flags & CL_ENUM_CANONICAL)
+ && enum_arg_ok_for_language (&enum_args[i], lang_mask))
+ {
+ *argp = enum_args[i].arg;
+ return true;
+ }
+
+ for (i = 0; enum_args[i].arg != NULL; i++)
+ if (enum_args[i].value == value
+ && enum_arg_ok_for_language (&enum_args[i], lang_mask))
+ {
+ *argp = enum_args[i].arg;
+ return false;
+ }
+
+ *argp = NULL;
+ return false;
+}
/* Fill in the canonical option part of *DECODED with an option
described by OPT_INDEX, ARG and VALUE. */
const char *opt_text = option->opt_text;
if (value == 0
- && !(option->flags & CL_REJECT_NEGATIVE)
+ && !option->cl_reject_negative
&& (opt_text[1] == 'W' || opt_text[1] == 'f' || opt_text[1] == 'm'))
{
char *t = XNEWVEC (char, option->opt_len + 5);
if (arg)
{
if ((option->flags & CL_SEPARATE)
- && !(option->flags & CL_SEPARATE_ALIAS))
+ && !option->cl_separate_alias)
{
decoded->canonical_option[0] = opt_text;
decoded->canonical_option[1] = arg;
size_t opt_index;
const char *arg = 0;
int value = 1;
- unsigned int result = 1, i, extra_args;
+ unsigned int result = 1, i, extra_args, separate_args = 0;
int adjust_len = 0;
size_t total_len;
char *p;
/* Reject negative form of switches that don't take negatives as
unrecognized. */
- if (!value && (option->flags & CL_REJECT_NEGATIVE))
+ if (!value && option->cl_reject_negative)
{
opt_index = OPT_SPECIAL_unknown;
errors |= CL_ERR_NEGATIVE;
warn_message = option->warn_message;
/* Check to see if the option is disabled for this configuration. */
- if (option->flags & CL_DISABLED)
+ if (option->cl_disabled)
errors |= CL_ERR_DISABLED;
/* Determine whether there may be a separate argument based on
- whether this option is being processed for the driver. */
+ whether this option is being processed for the driver, and, if
+ so, how many such arguments. */
separate_arg_flag = ((option->flags & CL_SEPARATE)
- && !((option->flags & CL_NO_DRIVER_ARG)
+ && !(option->cl_no_driver_arg
&& (lang_mask & CL_DRIVER)));
+ separate_args = (separate_arg_flag
+ ? option->cl_separate_nargs + 1
+ : 0);
joined_arg_flag = (option->flags & CL_JOINED) != 0;
/* Sort out any argument the switch takes. */
argument to be persistent until the program exits. */
arg = argv[extra_args] + cl_options[opt_index].opt_len + 1 + adjust_len;
- if (*arg == '\0' && !(option->flags & CL_MISSING_OK))
+ if (*arg == '\0' && !option->cl_missing_ok)
{
if (separate_arg_flag)
{
else if (separate_arg_flag)
{
arg = argv[extra_args + 1];
- result = extra_args + 2;
- if (arg == NULL)
- result = extra_args + 1;
- else
+ for (i = 0; i < separate_args; i++)
+ if (argv[extra_args + 1 + i] == NULL)
+ {
+ errors |= CL_ERR_MISSING_ARG;
+ break;
+ }
+ result = extra_args + 1 + i;
+ if (arg != NULL)
have_separate_arg = true;
}
/* Is this option an alias (or an ignored option, marked as an alias
of OPT_SPECIAL_ignore)? */
if (option->alias_target != N_OPTS
- && (!(option->flags & CL_SEPARATE_ALIAS) || have_separate_arg))
+ && (!option->cl_separate_alias || have_separate_arg))
{
size_t new_opt_index = option->alias_target;
/* The new option must not be an alias itself. */
gcc_assert (new_option->alias_target == N_OPTS
- || (new_option->flags & CL_SEPARATE_ALIAS));
+ || new_option->cl_separate_alias);
if (option->neg_alias_arg)
{
gcc_assert (option->alias_arg != NULL);
gcc_assert (arg == NULL);
+ gcc_assert (!option->cl_negative_alias);
if (value)
arg = option->alias_arg;
else
{
gcc_assert (value == 1);
gcc_assert (arg == NULL);
+ gcc_assert (!option->cl_negative_alias);
arg = option->alias_arg;
}
+ if (option->cl_negative_alias)
+ value = !value;
+
opt_index = new_opt_index;
option = new_option;
if (value == 0)
- gcc_assert (!(option->flags & CL_REJECT_NEGATIVE));
+ gcc_assert (!option->cl_reject_negative);
/* Recompute what arguments are allowed. */
separate_arg_flag = ((option->flags & CL_SEPARATE)
- && !((option->flags & CL_NO_DRIVER_ARG)
+ && !(option->cl_no_driver_arg
&& (lang_mask & CL_DRIVER)));
joined_arg_flag = (option->flags & CL_JOINED) != 0;
+ if (separate_args > 1 || option->cl_separate_nargs)
+ gcc_assert (separate_args
+ == (unsigned int) option->cl_separate_nargs + 1);
+
if (!(errors & CL_ERR_MISSING_ARG))
{
if (separate_arg_flag || joined_arg_flag)
{
- if ((option->flags & CL_MISSING_OK) && arg == NULL)
+ if (option->cl_missing_ok && arg == NULL)
arg = "";
gcc_assert (arg != NULL);
}
gcc_assert (warn_message == NULL);
warn_message = option->warn_message;
}
- if (option->flags & CL_DISABLED)
+ if (option->cl_disabled)
errors |= CL_ERR_DISABLED;
}
}
if (!option_ok_for_language (option, lang_mask))
errors |= CL_ERR_WRONG_LANG;
+ /* Convert the argument to lowercase if appropriate. */
+ if (arg && option->cl_tolower)
+ {
+ size_t j;
+ size_t len = strlen (arg);
+ char *arg_lower = XNEWVEC (char, len + 1);
+
+ for (j = 0; j < len; j++)
+ arg_lower[j] = TOLOWER ((unsigned char) arg[j]);
+ arg_lower[len] = 0;
+ arg = arg_lower;
+ }
+
/* If the switch takes an integer, convert it. */
- if (arg && (option->flags & CL_UINTEGER))
+ if (arg && option->cl_uinteger)
{
value = integral_argument (arg);
if (value == -1)
errors |= CL_ERR_UINT_ARG;
}
+ /* 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];
+
+ gcc_assert (value == 1);
+ 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
+ errors |= CL_ERR_ENUM_ARG;
+ }
+
done:
decoded->opt_index = opt_index;
decoded->arg = arg;
decoded->warn_message = warn_message;
if (opt_index == OPT_SPECIAL_unknown)
- {
- /* Skip the correct number of arguments for options handled
- through specs. */
- const char *popt = argv[0] + 1;
- int c = *popt;
-
- gcc_assert (result == 1);
- if (SWITCH_TAKES_ARG (c) > (popt[1] != 0))
- result += SWITCH_TAKES_ARG (c) - (popt[1] != 0);
- else if (WORD_SWITCH_TAKES_ARG (popt))
- result += WORD_SWITCH_TAKES_ARG (popt);
- if (result > 1)
- for (i = 1; i < result; i++)
- if (argv[i] == NULL)
- {
- result = i;
- break;
- }
- }
+ gcc_assert (result == 1);
gcc_assert (result >= 1 && result <= ARRAY_SIZE (decoded->canonical_option));
decoded->canonical_option_num_elements = result;
{
if (i < result)
{
+ size_t len;
if (opt_index == OPT_SPECIAL_unknown)
decoded->canonical_option[i] = argv[i];
else
decoded->canonical_option[i] = NULL;
- total_len += strlen (argv[i]) + 1;
+ len = strlen (argv[i]);
+ /* If the argument is an empty string, we will print it as "" in
+ orig_option_with_args_text. */
+ total_len += (len != 0 ? len : 2) + 1;
}
else
decoded->canonical_option[i] = NULL;
}
if (opt_index != OPT_SPECIAL_unknown && opt_index != OPT_SPECIAL_ignore)
- generate_canonical_option (opt_index, arg, value, decoded);
+ {
+ generate_canonical_option (opt_index, arg, value, decoded);
+ if (separate_args > 1)
+ {
+ for (i = 0; i < separate_args; i++)
+ {
+ if (argv[extra_args + 1 + i] == NULL)
+ break;
+ else
+ decoded->canonical_option[1 + i] = argv[extra_args + 1 + i];
+ }
+ gcc_assert (result == 1 + i);
+ decoded->canonical_option_num_elements = result;
+ }
+ }
decoded->orig_option_with_args_text = p = XNEWVEC (char, total_len);
for (i = 0; i < result; i++)
{
size_t len = strlen (argv[i]);
- memcpy (p, argv[i], len);
+ /* Print the empty string verbally. */
+ if (len == 0)
+ {
+ *p++ = '"';
+ *p++ = '"';
+ }
+ else
+ memcpy (p, argv[i], len);
p += len;
if (i == result - 1)
*p++ = 0;
return result;
}
-#ifdef TARGET_OPTION_TRANSLATE_TABLE
-static const struct {
- const char *const option_found;
- const char *const replacements;
-} target_option_translations[] =
-{
- TARGET_OPTION_TRANSLATE_TABLE,
- { 0, 0 }
-};
-#endif
-
/* Decode command-line options (ARGC and ARGV being the arguments of
main) into an array, setting *DECODED_OPTIONS to a pointer to that
array and *DECODED_OPTIONS_COUNT to the number of entries in the
struct cl_decoded_option **decoded_options,
unsigned int *decoded_options_count)
{
- unsigned int n, i, target_translate_from;
+ unsigned int n, i;
struct cl_decoded_option *opt_array;
unsigned int num_decoded_options;
- bool argv_copied = false;
opt_array = XNEWVEC (struct cl_decoded_option, argc);
opt_array[0].errors = 0;
num_decoded_options = 1;
- target_translate_from = 1;
for (i = 1; i < argc; i += n)
{
const char *opt = argv[i];
continue;
}
- if (i >= target_translate_from && (lang_mask & CL_DRIVER))
- {
-#ifdef TARGET_OPTION_TRANSLATE_TABLE
- int tott_idx;
-
- for (tott_idx = 0;
- target_option_translations[tott_idx].option_found;
- tott_idx++)
- {
- if (strcmp (target_option_translations[tott_idx].option_found,
- argv[i]) == 0)
- {
- unsigned int spaces = 0;
- unsigned int m = 0;
- const char *sp;
- char *np;
-
- for (sp = target_option_translations[tott_idx].replacements;
- *sp; sp++)
- {
- if (*sp == ' ')
- {
- spaces++;
- while (*sp == ' ')
- sp++;
- sp--;
- }
- }
-
- if (spaces)
- {
- int new_argc = argc + spaces;
- if (argv_copied)
- argv = XRESIZEVEC (const char *, argv, new_argc + 1);
- else
- {
- const char **new_argv = XNEWVEC (const char *,
- new_argc + 1);
- memcpy (new_argv, argv,
- (argc + 1) * sizeof (const char *));
- argv = new_argv;
- argv_copied = true;
- }
- memmove (&argv[i] + spaces, &argv[i],
- (argc + 1 - i) * sizeof (const char *));
- argc = new_argc;
- opt_array = XRESIZEVEC (struct cl_decoded_option,
- opt_array, argc);
- }
-
- sp = target_option_translations[tott_idx].replacements;
- np = xstrdup (sp);
-
- while (1)
- {
- while (*np == ' ')
- np++;
- if (*np == 0)
- break;
- argv[i + m++] = np;
- while (*np != ' ' && *np)
- np++;
- if (*np == 0)
- break;
- *np++ = 0;
- }
-
- target_translate_from = i + m;
- gcc_assert (m == spaces + 1);
- break;
- }
- }
-#endif
- }
-
n = decode_cmdline_option (argv + i, lang_mask,
&opt_array[num_decoded_options]);
num_decoded_options++;
}
- if (argv_copied)
- free (argv);
*decoded_options = opt_array;
*decoded_options_count = num_decoded_options;
prune_options (decoded_options, decoded_options_count);
}
/* Handle option DECODED for the language indicated by LANG_MASK,
- using the handlers in HANDLERS. KIND is the diagnostic_t if this
- is a diagnostics option, DK_UNSPECIFIED otherwise. Returns false
- if the switch was invalid. */
+ using the handlers in HANDLERS and setting fields in OPTS and
+ OPTS_SET. KIND is the diagnostic_t if this is a diagnostics
+ option, DK_UNSPECIFIED otherwise, and LOC is the location of the
+ option for options from the source file, UNKNOWN_LOCATION
+ otherwise. GENERATED_P is true for an option generated as part of
+ processing another option or otherwise generated internally, false
+ for one explicitly passed by the user. Returns false if the switch
+ was invalid. DC is the diagnostic context for options affecting
+ diagnostics state, or NULL. */
-bool
-handle_option (const struct cl_decoded_option *decoded,
- unsigned int lang_mask, int kind,
- const struct cl_option_handlers *handlers)
+static bool
+handle_option (struct gcc_options *opts,
+ struct gcc_options *opts_set,
+ const struct cl_decoded_option *decoded,
+ unsigned int lang_mask, int kind, location_t loc,
+ const struct cl_option_handlers *handlers,
+ bool generated_p, diagnostic_context *dc)
{
size_t opt_index = decoded->opt_index;
const char *arg = decoded->arg;
int value = decoded->value;
const struct cl_option *option = &cl_options[opt_index];
+ void *flag_var = option_flag_var (opt_index, opts);
size_t i;
- if (option->flag_var)
- set_option (opt_index, value, arg, kind);
+ if (flag_var)
+ set_option (opts, (generated_p ? NULL : opts_set),
+ opt_index, value, arg, kind, loc, dc);
for (i = 0; i < handlers->num_handlers; i++)
if (option->flags & handlers->handlers[i].mask)
{
- if (!handlers->handlers[i].handler (decoded,
- lang_mask, kind, handlers))
+ if (!handlers->handlers[i].handler (opts, opts_set, decoded,
+ lang_mask, kind, loc,
+ handlers, dc))
return false;
- else
- handlers->post_handling_callback (decoded,
- handlers->handlers[i].mask);
}
return true;
command line. */
bool
-handle_generated_option (size_t opt_index, const char *arg, int value,
- unsigned int lang_mask, int kind,
- const struct cl_option_handlers *handlers)
+handle_generated_option (struct gcc_options *opts,
+ struct gcc_options *opts_set,
+ size_t opt_index, const char *arg, int value,
+ unsigned int lang_mask, int kind, location_t loc,
+ const struct cl_option_handlers *handlers,
+ diagnostic_context *dc)
{
struct cl_decoded_option decoded;
generate_option (opt_index, arg, value, lang_mask, &decoded);
- return handle_option (&decoded, lang_mask, kind, handlers);
+ return handle_option (opts, opts_set, &decoded, lang_mask, kind, loc,
+ handlers, true, dc);
}
/* Fill in *DECODED with an option described by OPT_INDEX, ARG and
decoded->errors = 0;
}
-/* Handle the switch DECODED for the language indicated by LANG_MASK,
- using the handlers in *HANDLERS. */
+/* 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 cl_decoded_option *decoded,
+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)
+ 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 (0, decoded->warn_message, opt);
+ warning_at (loc, 0, decoded->warn_message, opt);
if (decoded->opt_index == OPT_SPECIAL_unknown)
{
if (handlers->unknown_option_callback (decoded))
- error ("unrecognized command line option %qs", decoded->arg);
+ error_at (loc, "unrecognized command line option %qs", decoded->arg);
return;
}
if (decoded->errors & CL_ERR_DISABLED)
{
- error ("command line option %qs"
- " is not supported by this configuration", opt);
+ error_at (loc, "command line option %qs"
+ " is not supported by this configuration", opt);
return;
}
- if (decoded->errors & CL_ERR_WRONG_LANG)
+ if (decoded->errors & CL_ERR_MISSING_ARG)
{
- handlers->wrong_lang_callback (decoded, lang_mask);
+ if (option->missing_argument_error)
+ error_at (loc, option->missing_argument_error, opt);
+ else
+ error_at (loc, "missing argument to %qs", opt);
return;
}
- if (decoded->errors & CL_ERR_MISSING_ARG)
+ if (decoded->errors & CL_ERR_UINT_ARG)
{
- if (option->missing_argument_error)
- error (option->missing_argument_error, opt);
+ error_at (loc, "argument to %qs should be a non-negative integer",
+ option->opt_text);
+ return;
+ }
+
+ if (decoded->errors & CL_ERR_ENUM_ARG)
+ {
+ const struct cl_enum *e = &cl_enums[option->var_enum];
+ unsigned int i;
+ size_t len;
+ char *s, *p;
+
+ if (e->unknown_error)
+ error_at (loc, e->unknown_error, decoded->arg);
else
- error ("missing argument to %qs", opt);
+ error_at (loc, "unrecognized argument in option %qs", opt);
+
+ len = 0;
+ for (i = 0; e->values[i].arg != NULL; i++)
+ len += strlen (e->values[i].arg) + 1;
+
+ s = XALLOCAVEC (char, len);
+ p = s;
+ for (i = 0; e->values[i].arg != NULL; i++)
+ {
+ size_t arglen = strlen (e->values[i].arg);
+ memcpy (p, e->values[i].arg, arglen);
+ p[arglen] = ' ';
+ p += arglen + 1;
+ }
+ p[-1] = 0;
+ inform (loc, "valid arguments to %qs are: %s", option->opt_text, s);
return;
}
- if (decoded->errors & CL_ERR_UINT_ARG)
+ if (decoded->errors & CL_ERR_WRONG_LANG)
{
- error ("argument to %qs should be a non-negative integer",
- option->opt_text);
+ handlers->wrong_lang_callback (decoded, lang_mask);
return;
}
gcc_assert (!decoded->errors);
- if (!handle_option (decoded, lang_mask, DK_UNSPECIFIED, handlers))
- error ("unrecognized command line option %qs", opt);
+ if (!handle_option (opts, opts_set, decoded, lang_mask, DK_UNSPECIFIED,
+ loc, handlers, false, dc))
+ error_at (loc, "unrecognized command line option %qs", opt);
}
-/* Set any variable for option OPT_INDEX according to VALUE and ARG,
- diagnostic kind KIND. */
+/* Set any field in OPTS, and OPTS_SET if not NULL, for option
+ OPT_INDEX according to VALUE and ARG, diagnostic kind KIND,
+ location LOC, using diagnostic context DC if not NULL for
+ diagnostic classification. */
void
-set_option (int opt_index, int value, const char *arg, int kind)
+set_option (struct gcc_options *opts, struct gcc_options *opts_set,
+ int opt_index, int value, const char *arg, int kind,
+ location_t loc, diagnostic_context *dc)
{
const struct cl_option *option = &cl_options[opt_index];
+ void *flag_var = option_flag_var (opt_index, opts);
+ void *set_flag_var = NULL;
- if (!option->flag_var)
+ if (!flag_var)
return;
+ if (opts_set != NULL)
+ set_flag_var = option_flag_var (opt_index, opts_set);
+
switch (option->var_type)
{
case CLVC_BOOLEAN:
- *(int *) option->flag_var = value;
+ *(int *) flag_var = value;
+ if (set_flag_var)
+ *(int *) set_flag_var = 1;
break;
case CLVC_EQUAL:
- *(int *) option->flag_var = (value
- ? option->var_value
- : !option->var_value);
+ if (option->cl_host_wide_int)
+ *(HOST_WIDE_INT *) flag_var = (value
+ ? option->var_value
+ : !option->var_value);
+ else
+ *(int *) flag_var = (value
+ ? option->var_value
+ : !option->var_value);
+ if (set_flag_var)
+ *(int *) set_flag_var = 1;
break;
case CLVC_BIT_CLEAR:
case CLVC_BIT_SET:
if ((value != 0) == (option->var_type == CLVC_BIT_SET))
- *(int *) option->flag_var |= option->var_value;
+ {
+ if (option->cl_host_wide_int)
+ *(HOST_WIDE_INT *) flag_var |= option->var_value;
+ else
+ *(int *) flag_var |= option->var_value;
+ }
else
- *(int *) option->flag_var &= ~option->var_value;
- if (option->flag_var == &target_flags)
- target_flags_explicit |= option->var_value;
+ {
+ if (option->cl_host_wide_int)
+ *(HOST_WIDE_INT *) flag_var &= ~option->var_value;
+ else
+ *(int *) flag_var &= ~option->var_value;
+ }
+ if (set_flag_var)
+ {
+ if (option->cl_host_wide_int)
+ *(HOST_WIDE_INT *) set_flag_var |= option->var_value;
+ else
+ *(int *) set_flag_var |= option->var_value;
+ }
break;
case CLVC_STRING:
- *(const char **) option->flag_var = arg;
+ *(const char **) flag_var = arg;
+ if (set_flag_var)
+ *(const char **) set_flag_var = "";
+ break;
+
+ case CLVC_ENUM:
+ {
+ const struct cl_enum *e = &cl_enums[option->var_enum];
+
+ e->set (flag_var, value);
+ if (set_flag_var)
+ e->set (set_flag_var, 1);
+ }
+ break;
+
+ case CLVC_DEFER:
+ {
+ VEC(cl_deferred_option,heap) *vec
+ = (VEC(cl_deferred_option,heap) *) *(void **) flag_var;
+ cl_deferred_option *p;
+
+ p = VEC_safe_push (cl_deferred_option, heap, vec, NULL);
+ p->opt_index = opt_index;
+ p->arg = arg;
+ p->value = value;
+ *(void **) flag_var = vec;
+ if (set_flag_var)
+ *(void **) set_flag_var = vec;
+ }
break;
}
- if ((diagnostic_t) kind != DK_UNSPECIFIED)
- diagnostic_classify_diagnostic (global_dc, opt_index, (diagnostic_t) kind,
- UNKNOWN_LOCATION);
+ if ((diagnostic_t) kind != DK_UNSPECIFIED
+ && dc != NULL)
+ diagnostic_classify_diagnostic (dc, opt_index, (diagnostic_t) kind, loc);
+}
+
+/* Return the address of the flag variable for option OPT_INDEX in
+ options structure OPTS, or NULL if there is no flag variable. */
+
+void *
+option_flag_var (int opt_index, struct gcc_options *opts)
+{
+ const struct cl_option *option = &cl_options[opt_index];
+
+ if (option->flag_var_offset == (unsigned short) -1)
+ return NULL;
+ return (void *)(((char *) opts) + option->flag_var_offset);
+}
+
+/* Return 1 if option OPT_IDX is enabled in OPTS, 0 if it is disabled,
+ or -1 if it isn't a simple on-off switch. */
+
+int
+option_enabled (int opt_idx, void *opts)
+{
+ const struct cl_option *option = &(cl_options[opt_idx]);
+ struct gcc_options *optsg = (struct gcc_options *) opts;
+ void *flag_var = option_flag_var (opt_idx, optsg);
+
+ if (flag_var)
+ switch (option->var_type)
+ {
+ case CLVC_BOOLEAN:
+ return *(int *) flag_var != 0;
+
+ case CLVC_EQUAL:
+ if (option->cl_host_wide_int)
+ return *(HOST_WIDE_INT *) flag_var == option->var_value;
+ else
+ return *(int *) flag_var == option->var_value;
+
+ case CLVC_BIT_CLEAR:
+ if (option->cl_host_wide_int)
+ return (*(HOST_WIDE_INT *) flag_var & option->var_value) == 0;
+ else
+ return (*(int *) flag_var & option->var_value) == 0;
+
+ case CLVC_BIT_SET:
+ if (option->cl_host_wide_int)
+ return (*(HOST_WIDE_INT *) flag_var & option->var_value) != 0;
+ else
+ return (*(int *) flag_var & option->var_value) != 0;
+
+ case CLVC_STRING:
+ case CLVC_ENUM:
+ case CLVC_DEFER:
+ break;
+ }
+ return -1;
+}
+
+/* Fill STATE with the current state of option OPTION in OPTS. Return
+ true if there is some state to store. */
+
+bool
+get_option_state (struct gcc_options *opts, int option,
+ struct cl_option_state *state)
+{
+ void *flag_var = option_flag_var (option, opts);
+
+ if (flag_var == 0)
+ return false;
+
+ switch (cl_options[option].var_type)
+ {
+ case CLVC_BOOLEAN:
+ case CLVC_EQUAL:
+ state->data = flag_var;
+ state->size = (cl_options[option].cl_host_wide_int
+ ? sizeof (HOST_WIDE_INT)
+ : sizeof (int));
+ break;
+
+ case CLVC_BIT_CLEAR:
+ case CLVC_BIT_SET:
+ state->ch = option_enabled (option, opts);
+ state->data = &state->ch;
+ state->size = 1;
+ break;
+
+ case CLVC_STRING:
+ state->data = *(const char **) flag_var;
+ if (state->data == 0)
+ state->data = "";
+ state->size = strlen ((const char *) state->data) + 1;
+ break;
+
+ case CLVC_ENUM:
+ state->data = flag_var;
+ state->size = cl_enums[cl_options[option].var_enum].var_size;
+ break;
+
+ case CLVC_DEFER:
+ return false;
+ }
+ return true;
+}
+
+/* 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,
+ 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,
+ const struct cl_option_handlers *handlers,
+ struct gcc_options *opts,
+ struct gcc_options *opts_set,
+ diagnostic_context *dc)
+{
+ if (cl_options[opt_index].alias_target != N_OPTS)
+ opt_index = cl_options[opt_index].alias_target;
+ if (opt_index == OPT_SPECIAL_ignore)
+ return;
+ if (dc)
+ diagnostic_classify_diagnostic (dc, opt_index, (diagnostic_t) kind, loc);
+ if (imply)
+ {
+ /* -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);
+ }
}
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