Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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19 lines
686 B
19 lines
686 B
6 years ago
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#if UINTPTR_MAX == 0xffffffff
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#define UPB_SIZE(size32, size64) size32
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#else
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#define UPB_SIZE(size32, size64) size64
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#endif
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#define UPB_FIELD_AT(msg, fieldtype, offset) \
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*(fieldtype*)((const char*)(msg) + offset)
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#define UPB_READ_ONEOF(msg, fieldtype, offset, case_offset, case_val, default) \
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UPB_FIELD_AT(msg, int, case_offset) == case_val \
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? UPB_FIELD_AT(msg, fieldtype, offset) \
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: default
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#define UPB_WRITE_ONEOF(msg, fieldtype, offset, value, case_offset, case_val) \
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UPB_FIELD_AT(msg, int, case_offset) = case_val; \
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UPB_FIELD_AT(msg, fieldtype, offset) = value;
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