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cpp2ffi: gen_structs_c only used C types

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This commit is contained in:
sonoro1234
2025-11-09 13:37:06 +01:00
parent 34550586d4
commit 794f63b480
2 changed files with 46 additions and 15 deletions
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39
generator/cpp2ffi.lua
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@@ -1103,22 +1103,53 @@ local function get_nonPOD(FP)
FP.structs_and_enums_table.nonPOD = nonPOD
return nonPOD
end
M.get_nonPOD = get_nonPOD
local function recur_calc_depth(FP, structs, k,n)
local struct = structs[k]
local n1 = n
for i,field in ipairs(struct) do
local typ = field.type:gsub("const ","")
typ = typ:gsub("*","")
if FP.nP_used[typ] then
n1 = math.max(n1,recur_calc_depth(FP, structs, typ,n+1))
end
end
return n1
end
local function gen_structs_c(FP)
local structs = FP.structs_and_enums_table.structs
--sort nP_used by dependencies and name
nP_used_sorted = {}
for k,v in pairs(FP.nP_used) do
nP_used_sorted[k] = recur_calc_depth(FP, structs, k, 1)
end
--M.prtable(nP_used_sorted)
local npsorted ={}
for k,n in pairs(nP_used_sorted) do insert(npsorted,k) end
table.sort(npsorted, function(a,b) return (nP_used_sorted[a] < nP_used_sorted[b]) or ((nP_used_sorted[a] == nP_used_sorted[b]) and (a<b)) end)
--M.prtable(npsorted)
--error"DEUG"
----------
local tabs = {}
local tabs_c = {}
--for k,v in pairs(FP.nP_used) do
M.table_do_sorted(FP.nP_used, function(k,v)
--M.table_do_sorted(FP.nP_used, function(k,v)
for _,k in ipairs(npsorted) do
insert(tabs,"typedef struct "..k.."_c "..k.."_c;")
insert(tabs_c,"typedef struct "..k.."_c "..k..";")
insert(tabs,"struct "..k.."_c {")
local struct = structs[k]
for i,field in ipairs(struct) do
insert(tabs," "..field.type.." "..field.name..";")
local typ = field.type:gsub("const ","")
typ = typ:gsub("*","")
if FP.nP_used[typ] then
local ftype = field.type:gsub(typ,typ.."_c")
insert(tabs," "..ftype.." "..field.name..";")
else
insert(tabs," "..field.type.." "..field.name..";")
end
end
insert(tabs,"};")
end)
end --)
if #tabs > 0 then
insert(tabs,1,"#ifndef CIMGUI_DEFINE_ENUMS_AND_STRUCTS")
insert(tabs,"#endif")