forked from enlightenment/efl
706 lines
21 KiB
Lua
706 lines
21 KiB
Lua
-- Elua lualian module
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local cutil = require("cutil")
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local util = require("util")
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local log = require("eina.log")
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local eolian = require("eolian")
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local M = {}
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local dom
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local type_type = eolian.type_type
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local class_type = eolian.class_type
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local func_type = eolian.function_type
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local obj_scope = eolian.object_scope
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local param_dir = eolian.parameter_dir
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cutil.init_module(function()
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dom = log.Domain("lualian")
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if not dom:is_valid() then
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log.err("Could not register log domain: lualian")
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error("Could not register log domain: lualian")
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end
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end, function()
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dom:unregister()
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dom = nil
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end)
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local lua_kw = {
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["and"] = true, ["end"] = true, ["in"] = true, ["local"] = true,
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["nil"] = true, ["not"] = true, ["or"] = true, ["repeat"] = true,
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["then"] = true, ["until"] = true
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}
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local kw_t = function(n)
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if lua_kw[n] then
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return n .. "_"
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end
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return n
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end
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local int_builtin = {
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["byte" ] = true, ["short"] = true, ["int"] = true, ["long"] = true,
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["llong"] = true,
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["int8" ] = true, ["int16"] = true, ["int32"] = true, ["int64"] = true,
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["int128"] = true,
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["intptr"] = true
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}
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local num_others = {
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["size" ] = true, ["ssize" ] = true, ["ptrdiff"] = true,
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["float"] = true, ["double"] = true
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}
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local is_num = function(x)
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if num_others [x ] then return true end
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if int_builtin[x ] then return true end
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if int_builtin["u" .. x] then return true end
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return false
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end
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local known_out = {
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["Evas_Coord"] = function(expr) return ("tonumber(%s)"):format(expr) end,
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["bool"] = function(expr) return ("((%s) ~= 0)"):format(expr) end,
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["char"] = function(expr) return ("string.char(%s)"):format(expr) end
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}
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local known_in = {
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["Evas_Coord"] = function(expr) return expr end,
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["bool"] = function(expr) return expr end
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}
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local known_ptr_out = {
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["const char"] = function(expr) return ("ffi.string(%s)"):format(expr) end
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}
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local known_ptr_in = {
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["const char"] = function(expr) return expr end
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}
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local convfuncs = {}
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local build_calln = function(tps, expr, isin)
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return expr
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end
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local typeconv = function(tps, expr, isin)
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if tps:type_get() == type_type.POINTER then
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local base = tps:base_type_get()
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local f = (isin and known_ptr_in or known_ptr_out)[base:c_type_get()]
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if f then return f(expr) end
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return build_calln(tps, expr, isin)
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end
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local tp = tps:name_get()
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if is_num(tp) then
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return isin and expr or ("tonumber(%s)"):format(expr)
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end
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local f = (isin and known_in or known_out)[tp]
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if f then
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return f(expr)
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end
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return build_calln(tps, expr, isin)
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end
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local Node = util.Object:clone {
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generate = function(self, s)
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end,
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gen_children = function(self, s)
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local len = #self.children
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local evs = self.events
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local evslen
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if evs then evslen = #evs end
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local hasevs = evs and evslen > 0
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local hasprops = false
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local nprops = 0
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local props = {}
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for i, v in ipairs(self.children) do
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v.parent_node = self
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if v.generate_prop then
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if v:generate_prop(props) then
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nprops = nprops + 1
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end
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hasprops = true
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end
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v:generate(s, (not hasevs) and (not hasprops) and (i == len))
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end
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if hasevs then
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s:write(" __events = {\n")
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for i, v in ipairs(evs) do
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v.parent_node = self
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v:generate(s, i == evslen)
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end
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s:write(" }", hasprops and "," or "", "\n")
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end
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if hasprops then
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if hasevs then
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s:write("\n")
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end
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s:write(" __properties = {\n")
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local pi = 0
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for k, v in pairs(props) do
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pi = pi + 1
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s:write(" [\"", k, "\"] = { ", table.concat(v, ", "),
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" }", pi ~= nprops and "," or "", "\n")
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end
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s:write(" }\n")
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end
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end
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}
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local Method = Node:clone {
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__ctor = function(self, meth)
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self.method = meth
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end,
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gen_proto = function(self)
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if self.cached_proto then return self.cached_proto end
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local meth = self.method
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local pars = meth:parameters_get()
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local rett = meth:return_type_get(func_type.METHOD)
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local proto = {
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name = meth:name_get()
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}
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proto.ret_type = rett and rett:c_type_get() or "void"
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local args, cargs, vargs = { "self" }, {}, {}
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proto.args, proto.cargs, proto.vargs = args, cargs, vargs
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local rets = {}
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proto.rets = rets
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local allocs = {}
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proto.allocs = allocs
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proto.full_name = meth:full_c_name_get()
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local fulln = proto.full_name
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if rett then
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rets[#rets + 1] = typeconv(rett, "v", false)
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end
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for v in pars do
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local dir, tps, nm = v:direction_get(), v:type_get(), kw_t(v:name_get())
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local tp = tps:c_type_get()
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if dir == param_dir.OUT or dir == param_dir.INOUT then
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if dir == param_dir.INOUT then
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args[#args + 1] = nm
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end
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cargs [#cargs + 1] = tp .. " *" .. nm
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vargs [#vargs + 1] = nm
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allocs[#allocs + 1] = { tp, nm, (dir == param_dir.INOUT)
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and typeconv(tps, nm, true) or nil }
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rets [#rets + 1] = typeconv(tps, nm .. "[0]", false)
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else
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args [#args + 1] = nm
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cargs [#cargs + 1] = tp .. " " .. nm
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vargs [#vargs + 1] = typeconv(tps, nm, true)
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end
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end
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if #cargs == 0 then cargs[1] = "void" end
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self.cached_proto = proto
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return proto
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end,
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generate = function(self, s, last)
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local proto = self:gen_proto()
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s:write(" ", proto.name, proto.suffix or "", " = function(",
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table.concat(proto.args, ", "), ")\n")
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s:write( " eo.__do_start(self, __class)\n")
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for i, v in ipairs(proto.allocs) do
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s:write(" local ", v[2], " = ffi.new(\"", v[1], "[1]\")\n")
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end
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local genv = (proto.ret_type ~= "void")
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s:write(" ", genv and "local v = " or "", "__lib.",
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proto.full_name, "(", table.concat(proto.vargs, ", "), ")\n")
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s:write(" eo.__do_end()\n")
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if #proto.rets > 0 then
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s:write(" return ", table.concat(proto.rets, ", "), "\n")
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end
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s:write(" end", last and "" or ",", last and "\n" or "\n\n")
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end,
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gen_ffi = function(self, s)
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local proto = self:gen_proto()
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local ret = proto.ret_type
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if ret:match("[a-zA-Z0-9_]$") then
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ret = ret .. " "
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end
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local cproto = {
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" ", ret, proto.full_name, "(", table.concat(proto.cargs, ", "),
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");\n"
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}
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s:write(table.concat(cproto))
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end
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}
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local Property = Method:clone {
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__ctor = function(self, prop, ftype)
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self.property = prop
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self.isget = (ftype == func_type.PROP_GET)
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self.ftype = ftype
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end,
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gen_proto = function(self)
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if self.cached_proto then return self.cached_proto end
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local prop = self.property
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local keys = prop:property_keys_get(self.ftype):to_array()
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local vals = prop:property_values_get(self.ftype):to_array()
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local rett = prop:return_type_get(self.ftype)
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local proto = {
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name = prop:name_get(),
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suffix = (self.isget and "_get" or "_set"),
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nkeys = #keys,
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nvals = #vals
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}
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proto.ret_type = rett and rett:c_type_get() or "void"
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local args, cargs, vargs = { "self" }, {}, {}
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proto.args, proto.cargs, proto.vargs = args, cargs, vargs
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local rets = {}
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proto.rets = rets
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local allocs = {}
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proto.allocs = allocs
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proto.full_name = prop:full_c_name_get() .. proto.suffix
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local fulln = proto.full_name
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if #keys > 0 then
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for i, v in ipairs(keys) do
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local nm = kw_t(v:name_get())
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local tps = v:type_get()
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local tp = tps:c_type_get()
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args [#args + 1] = nm
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cargs[#cargs + 1] = tp .. " " .. nm
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vargs[#vargs + 1] = typeconv(tps, nm, true)
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end
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end
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proto.kprop = #keys > 0
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if #vals > 0 then
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if self.isget then
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if #vals == 1 and not rett then
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local tps = vals[1]:type_get()
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proto.ret_type = tps:c_type_get()
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rets[#rets + 1] = typeconv(tps, "v", false)
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else
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for i, v in ipairs(vals) do
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local dir, tps, nm = v:direction_get(), v:type_get(),
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kw_t(v:name_get())
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local tp = tps:c_type_get()
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cargs [#cargs + 1] = tp .. " *" .. nm
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vargs [#vargs + 1] = nm
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allocs[#allocs + 1] = { tp, nm }
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rets [#rets + 1] = typeconv(tps, nm .. "[0]", false)
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end
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end
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else
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for i, v in ipairs(vals) do
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local dir, tps, nm = v:direction_get(), v:type_get(),
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kw_t(v:name_get())
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local tp = tps:c_type_get()
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args [#args + 1] = nm
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cargs[#cargs + 1] = tp .. " " .. nm
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vargs[#vargs + 1] = typeconv(tps, nm, true)
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end
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end
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end
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if #cargs == 0 then cargs[1] = "void" end
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self.cached_proto = proto
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return proto
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end,
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generate_prop = function(self, props)
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local proto = self:gen_proto()
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local prop = props[proto.name]
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local hasprop = true
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if not prop then
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prop = { 0, 0, 0, 0, "false", "false" }
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props[proto.name] = prop
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hasprop = false
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end
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if self.isget then
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prop[1] = proto.nkeys
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prop[3] = math.max(proto.nvals, 1)
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prop[5] = "true"
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else
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prop[2] = proto.nkeys
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prop[4] = math.max(proto.nvals, 1)
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prop[6] = "true"
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end
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return not hasprop
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end
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}
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local Event = Node:clone {
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__ctor = function(self, ename, etype, ecname)
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self.ename = ename
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self.etype = etype
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self.ecname = ecname
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end,
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generate = function(self, s, last)
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s:write(" [\"", self.ename, "\"] = __lib.",
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"_" .. self.ecname, last and "\n" or ",\n")
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end,
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gen_ffi = function(self, s)
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s:write(" extern const Eo_Event_Description ",
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"_" .. self.ecname, ";\n")
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end
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}
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local gen_ns = function(klass, s)
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local nspaces = klass:namespaces_get():to_array()
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if #nspaces > 1 then
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local lnspaces = {}
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for i = 2, #nspaces do
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lnspaces[i - 1] = '"' .. nspaces[i]:lower() .. '"'
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end
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s:write("local __M = util.get_namespace(M, { ",
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table.concat(lnspaces, ", "), " })\n")
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return "__M"
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else
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return "M"
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end
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end
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local Mixin = Node:clone {
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__ctor = function(self, iface, klass, ch, evs)
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self.klass = klass
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self.children = ch
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self.events = evs
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self.iface = iface
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end,
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generate = function(self, s)
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dom:log(log.level.INFO, " Generating for interface/mixin: "
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.. self.klass:full_name_get())
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s:write("ffi.cdef [[\n")
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self:gen_ffi(s)
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s:write("]]\n\n")
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gen_ns(self.klass, s)
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s:write("__body = {\n")
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self:gen_children(s)
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s:write("}\n")
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local knu = self.klass:full_name_get():gsub("%.", "_")
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if not self.iface then
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s:write(("__body[\"__mixin_%s\"] = true\n"):format(knu))
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else
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s:write(("__body[\"__iface_%s\"] = true\n"):format(knu))
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end
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end,
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gen_ffi = function(self, s)
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s:write(" const Eo_Class *", self.klass:c_get_function_name_get(),
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"(void);\n")
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for i, v in ipairs(self.children) do
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v.parent_node = self
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v:gen_ffi(s)
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end
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if self.events then
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for i, v in ipairs(self.events) do
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v.parent_node = self
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v:gen_ffi(s)
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end
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end
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end
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}
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local build_pn = function(fn, pn)
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if fn == pn then
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return kw_t(pn)
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end
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return fn .. "_" .. pn
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end
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local Class = Node:clone {
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__ctor = function(self, klass, parents, mixins, ch, evs)
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self.klass = klass
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self.parents = parents
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self.interfaces = interfaces
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self.mixins = mixins
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self.children = ch
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self.events = evs
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end,
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generate = function(self, s)
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dom:log(log.level.INFO, " Generating for class: "
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.. self.klass:full_name_get())
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s:write("ffi.cdef [[\n")
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self:gen_ffi(s)
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s:write("]]\n\n")
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local mname = gen_ns(self.klass, s)
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s:write("__body = {\n")
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self:gen_ctor(s)
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self:gen_children(s)
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s:write("}\n")
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-- write the constructor
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s:write(([[
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%s.%s = function(parent, ...)
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return eo.__ctor_common(__class, parent, eo.class_get("%s").__eo_ctor,
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1, ...)
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end
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]]):format(mname, self.klass:name_get(), self.klass:full_name_get():gsub("%.",
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"_")))
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end,
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gen_ffi = Mixin.gen_ffi,
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gen_ctor = function(self, s)
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local ctors = self.klass:constructors_get()
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if not ctors then return end
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-- collect constructor information
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s:write(" __eo_ctor = function(self, ")
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local cfuncs, parnames, upars = {}, {}, {}
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for ctor in ctors do
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local cfunc = ctor:function_get()
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local cn = cfunc:name_get()
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local tp = cfunc:type_get()
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if tp == func_type.PROPERTY or tp == func_type.PROP_SET
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or tp == func_type.METHOD then
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cfuncs[#cfuncs + 1] = cfunc
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if tp ~= func_type.METHOD then
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for par in cfunc:property_keys_get(func_type.PROP_SET) do
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parnames[#parnames + 1] = build_pn(cn, par:name_get())
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end
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end
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local iter = (tp ~= func_type.METHOD)
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and cfunc:property_values_get(func_type.PROP_SET)
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or cfunc:parameters_get()
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for par in iter do
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if par:direction_get() ~= param_dir.OUT then
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parnames[#parnames + 1] = build_pn(cn, par:name_get())
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end
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end
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end
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end
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s:write(table.concat(parnames, ", "))
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if #parnames == 0 then
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s:write("__func")
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else
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s:write(", __func")
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end
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s:write(")\n")
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-- write ctor body
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local j = 1
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for i, cfunc in ipairs(cfuncs) do
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local tp = cfunc:type_get()
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s:write(" self:", cfunc:name_get())
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if cfunc:type_get() ~= func_type.METHOD then
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s:write("_set")
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end
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s:write("(")
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local fpars = {}
|
|
if tp ~= func_type.METHOD then
|
|
for par in cfunc:property_keys_get(func_type.PROP_SET) do
|
|
fpars[#fpars + 1] = parnames[j]
|
|
j = j + 1
|
|
end
|
|
end
|
|
local iter = (tp ~= func_type.METHOD)
|
|
and cfunc:property_values_get(func_type.PROP_SET)
|
|
or cfunc:parameters_get()
|
|
for par in iter do
|
|
if par:direction_get() ~= param_dir.OUT then
|
|
fpars[#fpars + 1] = parnames[j]
|
|
j = j + 1
|
|
end
|
|
end
|
|
s:write(table.concat(fpars, ", "))
|
|
s:write(")\n")
|
|
end
|
|
s:write(" if __func then __func() end\n")
|
|
s:write(" end")
|
|
if #self.children > 0 then
|
|
s:write(",\n\n")
|
|
else
|
|
s:write("\n")
|
|
end
|
|
end
|
|
}
|
|
|
|
local File = Node:clone {
|
|
__ctor = function(self, fname, klass, ch)
|
|
self.fname = fname:match(".+/(.+)") or fname
|
|
self.klass = klass
|
|
self.children = ch
|
|
end,
|
|
|
|
generate = function(self, s)
|
|
local kls = self.klass
|
|
local ckls = self.children[1]
|
|
|
|
local kn = kls:full_name_get()
|
|
|
|
dom:log(log.level.INFO, "Generating for file: " .. self.fname)
|
|
dom:log(log.level.INFO, " Class : " .. kn)
|
|
|
|
local knu = kn:gsub("%.", "_")
|
|
|
|
local pars = ckls.parents or {}
|
|
local mins = ckls.mixins or {}
|
|
|
|
-- serialize both
|
|
local pv = {}
|
|
local mv = {}
|
|
for i = 1, #pars do pv[i] = '"' .. pars[i]:gsub("%.", "_") .. '"' end
|
|
for i = 1, #mins do mv[i] = '"' .. mins[i]:gsub("%.", "_") .. '"' end
|
|
pars = (#pars > 0) and ("{" .. table.concat(pv, ", ") .. "}") or "nil"
|
|
mins = (#mins > 0) and ("{" .. table.concat(mv, ", ") .. "}") or "nil"
|
|
|
|
s:write(([[
|
|
-- EFL LuaJIT bindings: %s (class %s)
|
|
-- For use with Elua; automatically generated, do not modify
|
|
|
|
local cutil = require("cutil")
|
|
local util = require("util")
|
|
local ffi = require("ffi")
|
|
local eo = require("eo")
|
|
|
|
local M, __lib = ...
|
|
|
|
local __class
|
|
local __body
|
|
|
|
local init = function()
|
|
__class = __lib.%s()
|
|
eo.class_register("%s", %s, %s, __body, __class)
|
|
end
|
|
|
|
cutil.init_module(init, function() end)
|
|
|
|
]]):format(self.fname, kn, kls:c_get_function_name_get(), knu, pars, mins))
|
|
|
|
self:gen_children(s)
|
|
|
|
s:write([[
|
|
|
|
return M
|
|
]])
|
|
|
|
local first = true
|
|
for name, v in pairs(convfuncs) do
|
|
if first then
|
|
print("\nRequired conversion functions:")
|
|
first = false
|
|
end
|
|
print(" " .. name)
|
|
end
|
|
end
|
|
}
|
|
|
|
local gen_contents = function(klass)
|
|
local cnt = {}
|
|
-- first try properties
|
|
local props = klass:functions_get(func_type.PROPERTY):to_array()
|
|
for i, v in ipairs(props) do
|
|
if v:scope_get() == obj_scope.PUBLIC and not v:is_c_only() then
|
|
local ftype = v:type_get()
|
|
local fread = (ftype == func_type.PROPERTY or ftype == func_type.PROP_GET)
|
|
local fwrite = (ftype == func_type.PROPERTY or ftype == func_type.PROP_SET)
|
|
if fwrite then
|
|
cnt[#cnt + 1] = Property(v, func_type.PROP_SET)
|
|
end
|
|
if fread then
|
|
cnt[#cnt + 1] = Property(v, func_type.PROP_GET)
|
|
end
|
|
end
|
|
end
|
|
-- then methods
|
|
local meths = klass:functions_get(func_type.METHOD):to_array()
|
|
for i, v in ipairs(meths) do
|
|
if v:scope_get() == obj_scope.PUBLIC and not v:is_c_only() then
|
|
cnt[#cnt + 1] = Method(v)
|
|
end
|
|
end
|
|
-- events
|
|
local evs = {}
|
|
local events = klass:events_get():to_array()
|
|
for i, v in ipairs(events) do
|
|
evs[#evs + 1] = Event(v:name_get(), v:type_get(), v:c_name_get())
|
|
end
|
|
return cnt, evs
|
|
end
|
|
|
|
local gen_class = function(klass)
|
|
local tp = klass:type_get()
|
|
if tp == class_type.UNKNOWN then
|
|
error(klass:full_name_get() .. ": unknown type")
|
|
elseif tp == class_type.MIXIN or tp == class_type.INTERFACE then
|
|
return Mixin(tp == class_type.INTERFACE, klass, gen_contents(klass))
|
|
end
|
|
local inherits = klass:inherits_get():to_array()
|
|
-- figure out the correct lookup order
|
|
local parents = {}
|
|
local mixins = {} -- also includes ifaces, they're separated later
|
|
for i = 1, #inherits do
|
|
local v = inherits[i]
|
|
local tp = eolian.class_get_by_name(v):type_get()
|
|
if tp == class_type.REGULAR or tp == class_type.ABSTRACT then
|
|
parents[#parents + 1] = v
|
|
elseif tp == class_type.INTERFACE or tp == class_type.MIXIN then
|
|
mixins[#mixins + 1] = v
|
|
else
|
|
error(klass:full_name_get() .. ": unknown inherit " .. v)
|
|
end
|
|
end
|
|
return Class(klass, parents, mixins, gen_contents(klass))
|
|
end
|
|
|
|
M.include_dir = function(dir)
|
|
if not eolian.directory_scan(dir) then
|
|
error("Failed including directory: " .. dir)
|
|
end
|
|
end
|
|
|
|
M.load_eot_files = function()
|
|
return eolian.all_eot_files_parse()
|
|
end
|
|
|
|
M.system_directory_scan = function()
|
|
return eolian.system_directory_scan()
|
|
end
|
|
|
|
M.generate = function(fname, fstream)
|
|
if not eolian.file_parse(fname) then
|
|
error("Failed parsing file: " .. fname)
|
|
end
|
|
if not eolian.database_validate() then
|
|
error("Failed validating database.")
|
|
end
|
|
local sfn = fname:match(".*[\\/](.+)$") or fname
|
|
local klass = eolian.class_get_by_file(sfn)
|
|
File(fname, klass, { gen_class(klass) }):generate(fstream or io.stdout)
|
|
end
|
|
|
|
return M
|