diff options
Diffstat (limited to 'grpc/third_party/upb/upb/pb/varint.c')
-rw-r--r-- | grpc/third_party/upb/upb/pb/varint.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/grpc/third_party/upb/upb/pb/varint.c b/grpc/third_party/upb/upb/pb/varint.c deleted file mode 100644 index 90f58a13..00000000 --- a/grpc/third_party/upb/upb/pb/varint.c +++ /dev/null @@ -1,74 +0,0 @@ - -#include "upb/pb/varint.int.h" - -/* Index is descriptor type. */ -const uint8_t upb_pb_native_wire_types[] = { - UPB_WIRE_TYPE_END_GROUP, /* ENDGROUP */ - UPB_WIRE_TYPE_64BIT, /* DOUBLE */ - UPB_WIRE_TYPE_32BIT, /* FLOAT */ - UPB_WIRE_TYPE_VARINT, /* INT64 */ - UPB_WIRE_TYPE_VARINT, /* UINT64 */ - UPB_WIRE_TYPE_VARINT, /* INT32 */ - UPB_WIRE_TYPE_64BIT, /* FIXED64 */ - UPB_WIRE_TYPE_32BIT, /* FIXED32 */ - UPB_WIRE_TYPE_VARINT, /* BOOL */ - UPB_WIRE_TYPE_DELIMITED, /* STRING */ - UPB_WIRE_TYPE_START_GROUP, /* GROUP */ - UPB_WIRE_TYPE_DELIMITED, /* MESSAGE */ - UPB_WIRE_TYPE_DELIMITED, /* BYTES */ - UPB_WIRE_TYPE_VARINT, /* UINT32 */ - UPB_WIRE_TYPE_VARINT, /* ENUM */ - UPB_WIRE_TYPE_32BIT, /* SFIXED32 */ - UPB_WIRE_TYPE_64BIT, /* SFIXED64 */ - UPB_WIRE_TYPE_VARINT, /* SINT32 */ - UPB_WIRE_TYPE_VARINT, /* SINT64 */ -}; - -/* A basic branch-based decoder, uses 32-bit values to get good performance - * on 32-bit architectures (but performs well on 64-bits also). - * This scheme comes from the original Google Protobuf implementation - * (proto2). */ -upb_decoderet upb_vdecode_max8_branch32(upb_decoderet r) { - upb_decoderet err = {NULL, 0}; - const char *p = r.p; - uint32_t low = (uint32_t)r.val; - uint32_t high = 0; - uint32_t b; - b = *(p++); low |= (b & 0x7fU) << 14; if (!(b & 0x80)) goto done; - b = *(p++); low |= (b & 0x7fU) << 21; if (!(b & 0x80)) goto done; - b = *(p++); low |= (b & 0x7fU) << 28; - high = (b & 0x7fU) >> 4; if (!(b & 0x80)) goto done; - b = *(p++); high |= (b & 0x7fU) << 3; if (!(b & 0x80)) goto done; - b = *(p++); high |= (b & 0x7fU) << 10; if (!(b & 0x80)) goto done; - b = *(p++); high |= (b & 0x7fU) << 17; if (!(b & 0x80)) goto done; - b = *(p++); high |= (b & 0x7fU) << 24; if (!(b & 0x80)) goto done; - b = *(p++); high |= (b & 0x7fU) << 31; if (!(b & 0x80)) goto done; - return err; - -done: - r.val = ((uint64_t)high << 32) | low; - r.p = p; - return r; -} - -/* Like the previous, but uses 64-bit values. */ -upb_decoderet upb_vdecode_max8_branch64(upb_decoderet r) { - const char *p = r.p; - uint64_t val = r.val; - uint64_t b; - upb_decoderet err = {NULL, 0}; - b = *(p++); val |= (b & 0x7fU) << 14; if (!(b & 0x80)) goto done; - b = *(p++); val |= (b & 0x7fU) << 21; if (!(b & 0x80)) goto done; - b = *(p++); val |= (b & 0x7fU) << 28; if (!(b & 0x80)) goto done; - b = *(p++); val |= (b & 0x7fU) << 35; if (!(b & 0x80)) goto done; - b = *(p++); val |= (b & 0x7fU) << 42; if (!(b & 0x80)) goto done; - b = *(p++); val |= (b & 0x7fU) << 49; if (!(b & 0x80)) goto done; - b = *(p++); val |= (b & 0x7fU) << 56; if (!(b & 0x80)) goto done; - b = *(p++); val |= (b & 0x7fU) << 63; if (!(b & 0x80)) goto done; - return err; - -done: - r.val = val; - r.p = p; - return r; -} |