/* Command line option handling.
- Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
This file is part of GCC.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
#ifndef GCC_OPTS_H
#define GCC_OPTS_H
-extern void decode_options (unsigned int argc, const char **argv);
+/* Specifies how a switch's VAR_VALUE relates to its FLAG_VAR. */
+enum cl_var_type {
+ /* The switch is enabled when FLAG_VAR is nonzero. */
+ CLVC_BOOLEAN,
+
+ /* The switch is enabled when FLAG_VAR == VAR_VALUE. */
+ CLVC_EQUAL,
+
+ /* The switch is enabled when VAR_VALUE is not set in FLAG_VAR. */
+ CLVC_BIT_CLEAR,
+
+ /* The switch is enabled when VAR_VALUE is set in FLAG_VAR. */
+ CLVC_BIT_SET,
+
+ /* The switch takes a string argument and FLAG_VAR points to that
+ argument. */
+ CLVC_STRING
+};
struct cl_option
{
const char *help;
unsigned short back_chain;
unsigned char opt_len;
+ int neg_index;
unsigned int flags;
+ void *flag_var;
+ enum cl_var_type var_type;
+ int var_value;
+};
+
+/* Records that the state of an option consists of SIZE bytes starting
+ at DATA. DATA might point to CH in some cases. */
+struct cl_option_state {
+ const void *data;
+ size_t size;
+ char ch;
};
extern const struct cl_option cl_options[];
extern const unsigned int cl_options_count;
extern const char *const lang_names[];
+extern const unsigned int cl_lang_count;
+extern bool no_unit_at_a_time_default;
+
+#define CL_PARAMS (1 << 18) /* Fake entry. Used to display --param info with --help. */
+#define CL_WARNING (1 << 19) /* Enables an (optional) warning message. */
+#define CL_OPTIMIZATION (1 << 20) /* Enables an (optional) optimization. */
+#define CL_TARGET (1 << 21) /* Target-specific option. */
+#define CL_COMMON (1 << 22) /* Language-independent. */
-#define CL_JOINED (1 << 24) /* If takes joined argument. */
-#define CL_SEPARATE (1 << 25) /* If takes a separate argument. */
-#define CL_REJECT_NEGATIVE (1 << 26) /* Reject no- form. */
-#define CL_MISSING_OK (1 << 27) /* Missing argument OK (joined). */
-#define CL_UINTEGER (1 << 28) /* Argument is an integer >=0. */
-#define CL_COMMON (1 << 29) /* Language-independent. */
+#define CL_MIN_OPTION_CLASS CL_PARAMS
+#define CL_MAX_OPTION_CLASS CL_COMMON
+
+/* From here on the bits describe attributes of the options.
+ Before this point the bits have described the class of the option.
+ This distinction is important because --help will not list options
+ which only have these higher bits set. */
+
+#define CL_DISABLED (1 << 23) /* Disabled in this configuration. */
+#define CL_REPORT (1 << 24) /* Report argument with -fverbose-asm */
+#define CL_JOINED (1 << 25) /* If takes joined argument. */
+#define CL_SEPARATE (1 << 26) /* If takes a separate argument. */
+#define CL_REJECT_NEGATIVE (1 << 27) /* Reject no- form. */
+#define CL_MISSING_OK (1 << 28) /* Missing argument OK (joined). */
+#define CL_UINTEGER (1 << 29) /* Argument is an integer >=0. */
#define CL_UNDOCUMENTED (1 << 30) /* Do not output with --help. */
+/* Input file names. */
+
+extern const char **in_fnames;
+
+/* The count of input filenames. */
+
+extern unsigned num_in_fnames;
+
+size_t find_opt (const char *input, int lang_mask);
+extern void prune_options (int *argcp, char ***argvp);
+extern void decode_options (unsigned int argc, const char **argv);
+extern int option_enabled (int opt_idx);
+extern bool get_option_state (int, struct cl_option_state *);
+
+extern void enable_warning_as_error (const char *arg, int value,
+ unsigned int lang_mask);
#endif