Files
simdjson-simdjson/include/simdjson/common_defs.h
T
Daniel Lemire df8f792183 Store the string lengths on the string tape (#101)
* Store string length in the string-tape item.
* Files are now limited to 4GB.
* Moving detection of unescaped chars to stage 1 to reduce the burden due to string parsing.

Fixes https://github.com/lemire/simdjson/issues/114

Fixes https://github.com/lemire/simdjson/issues/87
2019-03-13 19:32:57 -04:00

63 lines
1.3 KiB
C

#ifndef SIMDJSON_COMMON_DEFS_H
#define SIMDJSON_COMMON_DEFS_H
#include "simdjson/portability.h"
#include <cassert>
// we support documents up to 4GB
#define SIMDJSON_MAXSIZE_BYTES 0xFFFFFFFF
// the input buf should be readable up to buf + SIMDJSON_PADDING
#define SIMDJSON_PADDING sizeof(__m256i)
#ifndef _MSC_VER
// Implemented using Labels as Values which works in GCC and CLANG (and maybe
// also in Intel's compiler), but won't work in MSVC.
#define SIMDJSON_USE_COMPUTED_GOTO
#endif
// Align to N-byte boundary
#define ROUNDUP_N(a, n) (((a) + ((n)-1)) & ~((n)-1))
#define ROUNDDOWN_N(a, n) ((a) & ~((n)-1))
#define ISALIGNED_N(ptr, n) (((uintptr_t)(ptr) & ((n)-1)) == 0)
#ifdef _MSC_VER
#define really_inline inline
#define never_inline __declspec(noinline)
#define UNUSED
#define WARN_UNUSED
#ifndef likely
#define likely(x) x
#endif
#ifndef unlikely
#define unlikely(x) x
#endif
#else
#define really_inline inline __attribute__((always_inline, unused))
#define never_inline inline __attribute__((noinline, unused))
#define UNUSED __attribute__((unused))
#define WARN_UNUSED __attribute__((warn_unused_result))
#ifndef likely
#define likely(x) __builtin_expect(!!(x), 1)
#endif
#ifndef unlikely
#define unlikely(x) __builtin_expect(!!(x), 0)
#endif
#endif // MSC_VER
#endif // SIMDJSON_COMMON_DEFS_H