summaryrefslogtreecommitdiff
path: root/grpc/third_party/upb/upb/pb/varint.c
diff options
context:
space:
mode:
Diffstat (limited to 'grpc/third_party/upb/upb/pb/varint.c')
-rw-r--r--grpc/third_party/upb/upb/pb/varint.c74
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;
-}