Mercurial > pub > dyncall > dyncall
view test/suite_aggrs/mk-cases.lua @ 441:e59e381b4fca
- suite_aggrs: silenced warning, generated real case list
author | Tassilo Philipp |
---|---|
date | Wed, 26 Jan 2022 14:33:31 +0100 |
parents | b4ddad459690 |
children | 236015fdf7a8 |
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require"math" local max = math.max local maxargs = 0 local aggrs = { } local seen_aggrs = { } function canon_type(t) -- struct types have more than one char if #t > 1 then return 'struct '..t end return t end function trim(l) return l:gsub("^%s+",""):gsub("%s+$","") end function mkcase(id,sig) local sig = trim(sig) local h = { "/* ",id,":",sig," */ " } local t = { "" } local pos = 0 local n_nest = 0 local aggr = { } local aggr_sig = { } aggr[0] = { } -- non-sequential [0] collects all non-aggr types aggr_sig[0] = '' for i = 1, #sig do local name = "a"..pos local ch = sig:sub(i,i) -- aggregate nest level change? if ch == '{' then n_nest = n_nest + 1 aggr[n_nest] = { } aggr_sig[n_nest] = '' end aggr_sig[n_nest] = aggr_sig[n_nest]..ch if ch == '}' then -- register yet unseen aggregates, key is sig, val is body and name if seen_aggrs[aggr_sig[n_nest]] == nil then aggrs[#aggrs+1] = aggr_sig[n_nest] 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 if ch ~= '{' and ch ~= '}' then aggr[n_nest][#aggr[n_nest]+1] = canon_type(ch) aggr[n_nest][#aggr[n_nest]+1] = 'm'..(#aggr[n_nest] >> 1) end if n_nest == 0 then h[#h+1] = canon_type(ch) -- struct types (more than one char) need copying via a func if #ch > 1 then t[#t+1] = 'f_cp'..ch..'(V_a['..pos.."],&"..name..");" else t[#t+1] = "V_"..ch.."["..pos.."]="..name..";" end -- is return type or func arg? if pos == 0 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 maxargs = max(maxargs, pos-1) h[#h] = "){" if #h[6] == 1 then t[#t+1] = "ret_"..h[6].."("..(pos-1)..")}\n" else t[#t+1] = "ret_a("..(pos-1)..","..h[6]..")}\n" end return table.concat(h,"")..table.concat(t,"") end function mkfuntab(n) local s = { "funptr G_funtab[] = {\n"} for i = 0, n-1 do s[#s+1] = "\t(funptr)&f"..i..",\n" end s[#s+1] = "};\n" return table.concat(s,"") end function mksigtab(sigs) local s = { "char const * G_sigtab[] = {\n"} for k,v in pairs(sigs) do s[#s+1] = '\t"'..v..'",\n' end s[#s+1] = "};\n" return table.concat(s,"") end function mkall() local lineno = 0 local sigtab = { } local cases = '' for line in io.lines() do local sig = trim(line) cases = cases..mkcase(lineno,sig) sigtab[#sigtab+1] = sig lineno = lineno + 1 end agg_sizes = {} agg_sigs = {} agg_names = {} for a = 1, #aggrs do k = aggrs[a] v = seen_aggrs[k] st = 'struct '..v[2] agg_sizes[#agg_sizes + 1] = 'sizeof('..st..')' agg_sigs [#agg_sigs + 1] = k agg_names[#agg_names + 1] = v[2] -- struct def io.write('/* '..k..' */\n') io.write(st..' { ') for i = 1, #v[1], 2 do io.write(v[1][i]..' '..v[1][i+1]..'; ') end io.write("};\n") -- struct cp and cmp funcs s = { 'void f_cp'..v[2]..'('..st..' *x, const '..st..' *y) { ', 'int f_cmp'..v[2]..'(const '..st..' *x, const '..st..' *y) { return ' } o = { '=', '==', 'f_cp', 'f_cmp', '; ', ' && ', '', '1' } for t = 1, 2 do io.write(s[t]) b = {} for i = 1, #v[1], 2 do if string.match(v[1][i], '^struct') then b[#b+1] = o[t+2]..v[1][i]:sub(8)..'(&x->'..v[1][i+1]..', &y->'..v[1][i+1]..')'; else b[#b+1] = 'x->'..v[1][i+1]..' '..o[t]..' y->'..v[1][i+1]; end end if #b == 0 then -- to handle empty structs b[1] = o[t+6] end io.write(table.concat(b,o[t+4]).."; };\n") end -- convenient dcnewstruct helper funcs io.write('DCstruct* f_touchdcst'..v[2]..'() {\n\tstatic DCstruct* st = NULL;\n\tif(!st) {\n\t\tst = dcNewStruct('..(#v[1]>>1)..', sizeof('..st..'), DC_TRUE);\n\t\t') for i = 1, #v[1], 2 do if string.match(v[1][i], '^struct') then io.write('dcStructField(st, DC_SIGCHAR_STRUCT, offsetof('..st..', '..v[1][i+1]..'), 1, f_touchdcst'..v[1][i]:sub(8)..'());\n\t\t') else io.write("dcStructField(st, '"..v[1][i].."', offsetof("..st..', '..v[1][i+1]..'), 1);\n\t\t') end end io.write("dcCloseStruct(st);\n\t}\n\treturn st;\n};\n") end -- make table.concat work if #agg_names > 0 then table.insert(agg_names, 1, '') end io.write(cases) io.write(mkfuntab(lineno)) io.write(mksigtab(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_touchdcstfuncs[] = {'..string.sub(table.concat(agg_names, ',\n\t(funptr)&f_touchdcst'),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 = "..maxargs..";\n") end mkall()