Protocol Buffers - Google's data interchange format (grpc依赖) https://developers.google.com/protocol-buffers/
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/*
** Internal implementation details of the decoder that are shared between
** decode.c and decode_fast.c.
*/
#ifndef UPB_DECODE_INT_H_
#define UPB_DECODE_INT_H_
#include <setjmp.h>
#include "upb/msg.h"
#include "upb/upb.int.h"
/* Must be last. */
#include "upb/port_def.inc"
typedef struct upb_decstate {
const char *limit; /* End of delimited region or end of buffer. */
const char *fastend; /* The end of the entire buffer - 16 */
const char *fastlimit; /* UPB_MIN(limit, fastend) */
upb_arena arena;
int depth;
uint32_t end_group; /* Set to field number of END_GROUP tag, if any. */
jmp_buf err;
} upb_decstate;
const char *fastdecode_dispatch(upb_decstate *d, const char *ptr, upb_msg *msg,
const upb_msglayout *table, uint64_t hasbits);
const char *fastdecode_err(upb_decstate *d);
#include "upb/port_undef.inc"
#endif /* UPB_DECODE_INT_H_ */