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allow VLA serialization with t=254

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This commit is contained in:
Victor Bombi 2021-04-02 11:53:13 +02:00
parent 1d3ebe04cf
commit 15af5852ac
1 changed files with 18 additions and 0 deletions
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18
bitser.lua
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@ -235,6 +235,17 @@ local function write_cdata(value, seen)
serialize_value(tostring(ty):sub(7, -2), seen)
return
end
if tostring(ty):match"%s*%[%?%]" then
-- VLA
Buffer_write_byte(254)
serialize_value(ty, seen)
local len = ffi.sizeof(value)
write_number(len)
local nelem = len/ffi.sizeof(ty,1)
write_number(nelem)
Buffer_write_raw(ffi.string(value,len), len)
return
end
-- cdata
Buffer_write_byte(252)
serialize_value(ty, seen)
@ -388,6 +399,13 @@ local function deserialize_value(seen)
local read_into = ffi.typeof('$[1]', ctype)()
Buffer_read_raw(read_into, len)
return ctype(read_into[0])
elseif t == 254 then
local ctype = deserialize_value(seen)
local len = deserialize_value(seen)
local nelem = deserialize_value(seen)
local read_into = ffi.typeof(ctype)(nelem)
Buffer_read_raw(read_into, len)
return read_into
else
error("unsupported serialized type " .. t)
end