typedef enum lang_features_t {
_C89 = 1U << 0,
- _ANSI = 1U << 1,
- _C99 = 1U << 2,
+ _C99 = 1U << 1,
+ _C11 = 1U << 2,
_CXX = 1U << 3,
_GNUC = 1U << 4,
_MS = 1U << 5,
/** the current C mode/dialect */
extern unsigned int c_mode;
-/** the 'machine size', 16, 32 or 64 bit */
-extern unsigned int machine_size;
+/**
+ * whether architecture shift instructions usually perform modulo bit_size
+ * on the shift amount, if yes this equals to the machine_size.
+ */
+extern unsigned int architecture_modulo_shift;
/** byte-order: true = big-endian, false = little-endian */
extern bool byte_order_big_endian;
-/** true if the char type is signed */
-extern bool char_is_signed;
-
/** true for strict language checking. */
extern bool strict_mode;
-/** atomic type of wchar_t */
-extern atomic_type_kind_t wchar_atomic_kind;
-
-/** size of long double (this is 16 on some x86 architectures even if only the
- * lowest 80bits are used */
-extern unsigned force_long_double_size;
-
/** a hack that adds a call to __main into the main function, necessary on
* mingw */
extern bool enable_main_collect2_hack;