use const where appropriate

sim/gencfuncs.lua

@@ -0,0 +1,24 @@
+
+local luatoc_subs = {
+	{"Gate%.setportstate%(gate, *", "setport%("},
+	{"Gate%.getportstate%(gate, *", "getport%("},
+	{"~=", "!="},
+	{"!= *0", ""},
+	{"elseif", "els2 if"},
+	{"if", "if("},
+	{"else", "} else {"},
+	{"els2", "else"},
+	{"end", "}"},
+	{"then", ") {"},
+	{"return function(gate)", "GATEFUNC"},
+}
+local function luatoc(f)
+	for i, sub in ipairs(luatoc_subs) do
+		f = f:gsub(sub[1], sub[2])
+	end
+	return f
+end
+
+local function tstogatedata(ts)
+	
+end