/* Darwin support needed only by C/C++ frontends.
- Copyright (C) 2001, 2003, 2004, 2005, 2007, 2008
+ Copyright (C) 2001, 2003, 2004, 2005, 2007, 2008, 2010
Free Software Foundation, Inc.
Contributed by Apple Computer Inc.
#include "incpath.h"
#include "c-family/c-common.h"
#include "c-family/c-pragma.h"
+#include "c-family/c-format.h"
#include "diagnostic-core.h"
#include "toplev.h"
#include "flags.h"
return result;
fail:
- error ("Unknown value %qs of -mmacosx-version-min",
+ error ("unknown value %qs of -mmacosx-version-min",
darwin_macosx_version_min);
return "1000";
}
to be defined and won't work if it isn't. */
builtin_define_with_value ("__APPLE_CC__", "1", false);
+ if (darwin_constant_cfstrings)
+ builtin_define ("__CONSTANT_CFSTRINGS__");
+
builtin_define_with_value ("__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__",
version_as_macro(), false);
+
+ /* Since we do not (at 4.6) support ObjC gc for the NeXT runtime, the
+ following will cause a syntax error if one tries to compile gc attributed
+ items. However, without this, NeXT system headers cannot be parsed
+ properly (on systems >= darwin 9). */
+ if (flag_objc_gc)
+ {
+ builtin_define ("__strong=__attribute__((objc_gc(strong)))");
+ builtin_define ("__weak=__attribute__((objc_gc(weak)))");
+ builtin_define ("__OBJC_GC__");
+ }
+ else
+ {
+ builtin_define ("__strong=");
+ builtin_define ("__weak=");
+ }
}
/* Handle C family front-end options. */
#define TARGET_HANDLE_C_OPTION handle_c_option
struct gcc_targetcm targetcm = TARGETCM_INITIALIZER;
+
+/* Allow ObjC* access to CFStrings. */
+tree
+darwin_objc_construct_string (tree str)
+{
+ if (!darwin_constant_cfstrings)
+ {
+ /* Even though we are not using CFStrings, place our literal
+ into the cfstring_htab hash table, so that the
+ darwin_constant_cfstring_p() function will see it. */
+ darwin_enter_string_into_cfstring_table (str);
+ /* Fall back to NSConstantString. */
+ return NULL_TREE;
+ }
+
+ return darwin_build_constant_cfstring (str);
+}
+
+/* The string ref type is created as CFStringRef by <CFBase.h> therefore, we
+ must match for it explicitly, since it's outside the gcc code. */
+
+bool
+darwin_cfstring_ref_p (const_tree strp)
+{
+ tree tn;
+ if (!strp || TREE_CODE (strp) != POINTER_TYPE)
+ return false;
+
+ tn = TYPE_NAME (strp);
+ if (tn)
+ tn = DECL_NAME (tn);
+ return (tn
+ && IDENTIFIER_POINTER (tn)
+ && !strncmp (IDENTIFIER_POINTER (tn), "CFStringRef", 8));
+}
+
+/* At present the behavior of this is undefined and it does nothing. */
+void
+darwin_check_cfstring_format_arg (tree ARG_UNUSED (format_arg),
+ tree ARG_UNUSED (args_list))
+{
+}
+
+/* The extra format types we recognize. */
+EXPORTED_CONST format_kind_info darwin_additional_format_types[] = {
+ { "CFString", NULL, NULL, NULL, NULL,
+ NULL, NULL,
+ FMT_FLAG_ARG_CONVERT|FMT_FLAG_PARSE_ARG_CONVERT_EXTERNAL, 0, 0, 0, 0, 0, 0,
+ NULL, NULL
+ }
+};