Mercurial > pub > dyncall > dyncall
view test/call_suite_aggrs/mk-cases.lua @ 603:c1208587091c
- missed cmake build line to be removed given last commit
author | Tassilo Philipp |
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date | Wed, 21 Sep 2022 13:26:31 +0200 |
parents | ed8835abe05f |
children | d28b09fa2ff9 |
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require"config" require"math" -- use shared helpers to generate cases package.path = '../common/?.lua;' .. package.path require"mk-cases" -- returns: generated case str, num args; accumulates unique idx => aggr-sig in -- aggrs (sequentially) and aggr-sig => {body,name} in seen_aggrs (depth first -- for nested aggrs, so sub-aggrs conveniently precede parents) function mkcase(id, sig, aggrs, seen_aggrs) local sig = trim(sig) local fsig = put_sig_rtype_first(sig) local h = { "/* ",id,":",sig," */ " } local t = { } local pos = -1 local n_nest = 0 local aggr = { } local aggr_sig = { } aggr[0] = { } -- non-sequential [0] collects all non-aggr types (not used, though) aggr_sig[0] = '' for i = 1, #fsig do local name = "a"..pos local ch = fsig:sub(i,i) -- aggregate nest level change? if ch == '{' or ch == '<' then n_nest = n_nest + 1 aggr[n_nest] = { } aggr_sig[n_nest] = '' end aggr_sig[n_nest] = aggr_sig[n_nest]..ch -- array? Just append to name of member var from prev loop if ch:match('[%[%]0123456789]') ~= nil then aggr[n_nest][#aggr[n_nest]] = aggr[n_nest][#aggr[n_nest]]..ch else -- register (sub)aggrs on closing char if ch == '}' or ch == '>' then -- only add unseen aggregates, key is aggr sig, val is body and name if seen_aggrs[aggr_sig[n_nest]] == nil then aggrs[#aggrs+1] = aggr_sig[n_nest] if ch == '}' then ch = 'struct ' else ch = 'union ' end ch = ch..'A'..#aggrs seen_aggrs[aggr_sig[n_nest]] = { aggr[n_nest], ch } end ch = seen_aggrs[aggr_sig[n_nest]][2] n_nest = n_nest - 1 aggr_sig[n_nest] = aggr_sig[n_nest]..aggr_sig[n_nest+1] end -- add member type and var name to aggr if ch ~= '{' and ch ~= '}' and ch ~= '<' and ch ~= '>' then aggr[n_nest][#aggr[n_nest]+1] = ch aggr[n_nest][#aggr[n_nest]+1] = 'm'..(#aggr[n_nest] >> 1) end -- no nesting (= actual func args), generate case code if n_nest == 0 then h[#h+1] = ch -- aggregate types have more than one char if #ch > 1 then if aggrcpsimple then t[#t+1] = '*('..ch..'*)V_a['..pos.."]="..name..";" else t[#t+1] = 'f_cp'..ch:match('A.*')..'(V_a['..pos.."],&"..name..");" end if aggrmutabletest then t[#t] = t[#t]..'memset(&'..name..',0,sizeof('..name..'));' end else t[#t+1] = "V_"..ch.."["..pos.."]="..name..";" end -- is return type or func arg? if pos == -1 then h[#h+1] = " f"..id.."(" h[#h+1] = '' t[#t] = '' -- clear; aggr return type handled explicitly else h[#h+1] = ' '..name h[#h+1] = "," end pos = pos + 1 end end end h[#h] = "){" if #h[6] == 1 then t[#t+1] = "ret_"..h[6].."("..pos..")}\n" else t[#t+1] = "ret_a("..pos..","..h[6]..")}\n" end return table.concat(h,"")..table.concat(t,""), pos end function mkall() local lineno = 0 local sigtab = { } local cases = '' local aggrs = { } local seen_aggrs = { } local max_numargs = 0 for line in io.lines() do local sig = trim(line) local c, n = mkcase(lineno, sig, aggrs, seen_aggrs) cases = cases..c max_numargs = math.max(max_numargs, n) sigtab[#sigtab+1] = sig lineno = lineno + 1 end local agg_defs, agg_sizes, agg_sigs, agg_names = mkaggrdefs(aggrs, seen_aggrs, aggrpacking, aggrpackingseed, aggrcpsimple) -- make table.concat work if #agg_names > 0 then table.insert(agg_names, 1, '') end io.write(table.concat(agg_defs,'\n')..'\n') io.write(cases) io.write(mkfuntab(lineno, 'f', 'funptr', 'G_funtab', true)) io.write(mksigtab(sigtab, '', 'G_sigtab')) io.write('const char* G_agg_sigs[] = {\n\t"'..table.concat(agg_sigs, '",\n\t"')..'"\n};\n') io.write('int G_agg_sizes[] = {\n\t'..table.concat(agg_sizes, ',\n\t')..'\n};\n') io.write('funptr G_agg_touchAfuncs[] = {'..string.sub(table.concat(agg_names, ',\n\t(funptr)&f_touch'),2)..'\n};\n') io.write('funptr G_agg_cmpfuncs[] = {'..string.sub(table.concat(agg_names, ',\n\t(funptr)&f_cmp'),2)..'\n};\n') io.write("int G_maxargs = "..max_numargs..";\n") end mkall()