bitwise operations

examples/programs/bitwise/main.bro

@@ -0,0 +1,62 @@
+fold_bits func(value u8) u8 {
+	return (~value & 255) xor 15
+}
+
+folded u8 :: fold_bits(240)
+contextual u8 :: ~0 & 255
+contextual_shift u8 :: 1 << 7
+Buffer :: alias [u8(1) << 3]u8
+
+runtime_left func(value u16, count u8) u16 {
+	return value << count
+}
+
+c_count_shift func(value u8, count c_uint) u8 {
+	return value << count
+}
+
+c_count_fold u8 :: c_count_shift(3, 2)
+
+main func() i32 {
+	buffer Buffer = undefined
+	if (folded != 0) return 1
+	if (contextual != 255) return 28
+	if (contextual_shift != 128) return 29
+	if (buffer.len != 8) return 2
+	if ((u8(240) & u8(204)) != 192) return 3
+	if ((u8(240) | u8(15)) != 255) return 4
+	if ((u8(240) xor u8(255)) != 15) return 5
+	if ((u8(129) << 1) != 2) return 6
+	if ((i8(-4) >> 1) != -2) return 7
+	if ((u8(128) >> 1) != 64) return 8
+	if ((u8(64) <<| 2) != 255) return 9
+	if ((i8(64) <<| 2) != 127) return 10
+	if ((i8(-64) <<| 2) != -128) return 11
+	if ((u8(1) <<| 8) != 255) return 12
+	if ((u8(0) <<| 80) != 0) return 13
+	if (runtime_left(3, 4) != 48) return 14
+	if (c_count_shift(3, 2) != 12) return 30
+	if (c_count_fold != 12) return 31
+	if (~u16(0) != 65535) return 16
+	if ((i16(-2) >> 1) != -1) return 17
+	if ((u32(2147483648) >> 31) != 1) return 18
+	if ((i32(-2147483647) << 1) != 2) return 19
+	if ((~u64(0) >> 63) != 1) return 20
+	if ((i64(-2) >> 1) != -1) return 21
+	if ((c_uchar(128) >> 7) != 1) return 22
+	if ((c_int(-2) >> 1) != -1) return 23
+	if ((c_uint(3) << 4) != 48) return 24
+	if ((c_ulonglong(1) <<| 64) != ~c_ulonglong(0)) return 25
+	if ((c_ushort(240) xor c_ushort(255)) != 15) return 26
+	if ((c_longlong(64) <<| 60) != maxval!(c_longlong)) return 27
+
+	value u8 = 3
+	value <<= 2
+	value |= 1
+	value xor= 5
+	value &= 15
+	value >>= 1
+	value <<|= 7
+	if (value != 255) return 15
+	return 42
+}