#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
-# Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# Some common subroutines for use by opt[ch]-gen.awk.
return nth_arg(0, opt_args("Var", flags))
}
+# Return true if the option described by FLAGS has a globally-visible state.
+function global_state_p(flags)
+{
+ return (var_name(flags) != "" \
+ || opt_args("Mask", flags) != "" \
+ || opt_args("InverseMask", flags) != "")
+}
+
+# Return true if the option described by FLAGS must have some state
+# associated with it.
+function needs_state_p(flags)
+{
+ return flag_set_p("Target", flags)
+}
+
+# If FLAGS describes an option that needs a static state variable,
+# return the name of that variable, otherwise return "". NAME is
+# the name of the option.
+function static_var(name, flags)
+{
+ if (global_state_p(flags) || !needs_state_p(flags))
+ return ""
+ gsub ("[^A-Za-z0-9]", "_", name)
+ return "VAR_" name
+}
+
+# Return the type of variable that should be associated with the given flags.
+function var_type(flags)
+{
+ if (!flag_set_p("Joined.*", flags))
+ return "int "
+ else if (flag_set_p("UInteger", flags))
+ return "int "
+ else
+ return "const char *"
+}
+
# Given that an option has flags FLAGS, return an initializer for the
# "var_cond" and "var_value" fields of its cl_options[] entry.
function var_set(flags)
if (s != "")
return "CLVC_EQUAL, " s
s = opt_args("Mask", flags);
- if (s != "")
- return "CLVC_BIT_SET, MASK_" s
+ if (s != "") {
+ vn = var_name(flags);
+ if (vn)
+ return "CLVC_BIT_SET, OPTION_MASK_" s
+ else
+ return "CLVC_BIT_SET, MASK_" s
+ }
s = nth_arg(0, opt_args("InverseMask", flags));
- if (s != "")
- return "CLVC_BIT_CLEAR, MASK_" s
+ if (s != "") {
+ vn = var_name(flags);
+ if (vn)
+ return "CLVC_BIT_CLEAR, OPTION_MASK_" s
+ else
+ return "CLVC_BIT_CLEAR, MASK_" s
+ }
+ if (var_type(flags) == "const char *")
+ return "CLVC_STRING, 0"
return "CLVC_BOOLEAN, 0"
}
-# Given that an option has flags FLAGS, return an initializer for the
-# "flag_var" field of its cl_options[] entry.
-function var_ref(flags)
+# Given that an option called NAME has flags FLAGS, return an initializer
+# for the "flag_var" field of its cl_options[] entry.
+function var_ref(name, flags)
{
- name = var_name(flags)
+ name = var_name(flags) static_var(name, flags)
if (name != "")
return "&" name
if (opt_args("Mask", flags) != "")