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simplify parse_enum_values function

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This commit is contained in:
Victor Bombi
2020-02-29 14:18:11 +01:00
parent 02677f9691
commit 0cbc6bf55f
1 changed files with 7 additions and 29 deletions
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36
generator/cpp2ffi.lua
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@@ -165,50 +165,28 @@ local function parse_enum_value(value, allenums)
local sep = sepk[ik]
local v = seps[i]
if sep==v then
local val1 = clean(several[i])
local val2 = clean(several[i+1])
if allenums[val1] then val1 = allenums[val1] end
if allenums[val2] then val2 = allenums[val2] end
if v=="~" then
local val = clean(several[i+1])
if allenums[val] then val = allenums[val] end
assert(several[i]==" " or several[i]=="")
several[i] = bit.bnot(val)
table.remove(several,i+1)
table.remove(seps,i)
several[i] = bit.bnot(val2)
elseif v=="<<" then
local val1 = clean(several[i])
local val2 = clean(several[i+1])
if allenums[val1] then val1 = allenums[val1] end
if allenums[val2] then val2 = allenums[val2] end
several[i] = bit.lshift(val1,val2)
table.remove(several,i+1)
table.remove(seps,i)
elseif v==">>" then
local val1 = clean(several[i])
local val2 = clean(several[i+1])
if allenums[val1] then val1 = allenums[val1] end
if allenums[val2] then val2 = allenums[val2] end
several[i] = bit.rshift(val1,val2)
table.remove(several,i+1)
table.remove(seps,i)
elseif v=="&" then
local val1 = clean(several[i])
local val2 = clean(several[i+1])
if allenums[val1] then val1 = allenums[val1] end
if allenums[val2] then val2 = allenums[val2] end
several[i] = bit.band(val1,val2)
table.remove(several,i+1)
table.remove(seps,i)
elseif v=="^" then
error"^ operator still not done"
elseif v=="|" then
local val1 = clean(several[i])
local val2 = clean(several[i+1])
if allenums[val1] then val1 = allenums[val1] end
if allenums[val2] then val2 = allenums[val2] end
several[i] = bit.bor(val1,val2)
table.remove(several,i+1)
table.remove(seps,i)
else
error("unknown operator "..v)
end
table.remove(several,i+1)
table.remove(seps,i)
else
i = i + 1
end