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#ifndef SIMDJSON_HASWELL_STRINGPARSING_DEFS_H
#define SIMDJSON_HASWELL_STRINGPARSING_DEFS_H
#ifndef SIMDJSON_CONDITIONAL_INCLUDE
#include "simdjson/haswell/base.h"
#include "simdjson/haswell/simd.h"
#include "simdjson/haswell/bitmanipulation.h"
#endif // SIMDJSON_CONDITIONAL_INCLUDE
namespace simdjson {
namespace haswell {
namespace {
using namespace simd;
// Holds backslashes and quotes locations.
struct backslash_and_quote {
public:
static constexpr uint32_t BYTES_PROCESSED = 32;
simdjson_inline static backslash_and_quote copy_and_find(const uint8_t *src, uint8_t *dst);
simdjson_inline bool has_quote_first() { return ((bs_bits - 1) & quote_bits) != 0; }
simdjson_inline bool has_backslash() { return ((quote_bits - 1) & bs_bits) != 0; }
simdjson_inline int quote_index() { return trailing_zeroes(quote_bits); }
simdjson_inline int backslash_index() { return trailing_zeroes(bs_bits); }
uint32_t bs_bits;
uint32_t quote_bits;
}; // struct backslash_and_quote
simdjson_inline backslash_and_quote backslash_and_quote::copy_and_find(const uint8_t *src, uint8_t *dst) {
// this can read up to 15 bytes beyond the buffer size, but we require
// SIMDJSON_PADDING of padding
static_assert(SIMDJSON_PADDING >= (BYTES_PROCESSED - 1), "backslash and quote finder must process fewer than SIMDJSON_PADDING bytes");
simd8<uint8_t> v(src);
// store to dest unconditionally - we can overwrite the bits we don't like later
v.store(dst);
return {
static_cast<uint32_t>((v == '\\').to_bitmask()), // bs_bits
static_cast<uint32_t>((v == '"').to_bitmask()), // quote_bits
};
}
} // unnamed namespace
} // namespace haswell
} // namespace simdjson
#endif // SIMDJSON_HASWELL_STRINGPARSING_DEFS_H
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