iup-stack/iup/srclua5/generator.lua

241 lines
7.0 KiB
Lua
Executable File

function dofile(f)
pcall(loadfile(f))
end
function pairsSorted(t, f)
local i, tt = 0, {}
for k in pairs(t) do table.insert(tt, k) end
table.sort(tt, f)
return function ()
i = i + 1
if not tt[i] then return nil end
return tt[i], t[tt[i]]
end
end
-- compatibility functions (with iuplua.lua)
iup = {}
function iup.SetClass(ctrl, name)
element = ctrl
end
-- dummy functions
iupDoNothing = function() end
iupSetMethod = iupDoNothing
iup.RegisterWidget = iupDoNothing
-- TODO: This is different from iupClassRegisterCallback,
-- should be changed to use the same standard
c_types = {
c = "unsigned char ",
n = "int",
f = "float",
d = "double",
s = "char *",
i = "Ihandle *",
v = "Ihandle **",
o = "void*",
}
-- Adjust the callbacks table
function adjustcallbacktable(c)
d = {}
for i,j in pairsSorted(c) do
if type(j) == "string" then
d[i] = { j, "IUP_".. string.upper(i)}
elseif type(j) == "table" then
d[i] = j
else
print("ERROR IN CALLBACK TABLE FORMAT")
end
end
return d
end
function header(o,i)
io.write [[
/******************************************************************************
* Automatically generated file. Please don't change anything. *
*****************************************************************************/
#include <stdlib.h>
#include <lua.h>
#include <lauxlib.h>
#include "iup.h"
#include "iuplua.h"
]]
if i then io.write('#include "',i,'"\n') end
io.write('#include "il.h"\n\n\n')
end
function firstupper(name)
return string.upper(string.sub(name,1,1)) .. string.sub(name,2,-1)
end
function write_creation(o, t)
local aux = {n = 1}
local u = firstupper(o)
local v = t.creation
local c = t.callback
if t.funcname then
u = t.funcname
end
io.write ("static int ",u,"(lua_State *L)\n")
io.write ("{\n")
if t.rettype == nil then io.write(" Ihandle *ih = Iup",u,"(")
elseif t.rettype == "n" then io.write(" int n = (Iup",u,"(")
elseif t.rettype == "s" then io.write(" char *s = (Iup",u,"(")
end
local max = string.len(v)
string.gsub(v, "(.)", function(p)
if p == "n" then io.write("luaL_checkinteger(L, ",aux.n,")")
elseif p == "N" then io.write("luaL_optinteger(L, ",aux.n,", 0)")
elseif p == "d" then io.write("luaL_number(L, ",aux.n,")")
elseif p == "s" then io.write("(char *)luaL_checkstring(L, ",aux.n,")")
elseif p == "S" then io.write("(char *)luaL_optstring(L, ",aux.n,", NULL)")
elseif p == "i" then io.write("iuplua_checkihandle(L, ",aux.n,")")
elseif p == "I" then io.write("iuplua_checkihandleornil(L, ",aux.n,")")
elseif p == "-" then io.write("NULL")
elseif p == "a" then io.write("iuplua_checkstring_array(L, ",aux.n,", -1)")
elseif p == "t" then io.write("iuplua_checkint_array(L, ",aux.n,", -1)")
elseif p == "v" then io.write("iuplua_checkihandle_array(L, ",aux.n,", -1)")
else io.write("FORMAT '", p, "' NOT SUPPORTED\n")
end
if aux.n < max then io.write(", ") end
aux.n = aux.n + 1
end)
io.write(");\n")
io.write(" iuplua_plugstate(L, ih);\n")
io.write(" iuplua_pushihandle_raw(L, ih);\n")
io.write(" return 1;\n")
io.write("}\n\n")
end
function write_callbacks(o, c)
local aux = { }
for i,v in pairsSorted(c) do
local s = v[1]
local max = string.len(s)
aux.n = 0
io.write("static ")
if v.ret then
if v.ret == "s" then
io.write("char * ")
end
if v.ret == "d" then
io.write("double ")
end
else
io.write("int ")
end
io.write(o, "_", i, "(Ihandle *self")
if max > 0 then io.write(", ") end
string.gsub(s, "(.)", function(p)
io.write(c_types[p], " p", aux.n)
aux.n = aux.n + 1
if aux.n < max then io.write(", ") end
end)
io.write(")\n{\n")
io.write(' lua_State *L = iuplua_call_start(self, "', i, '");')
aux.n = 0
string.gsub(s, "(.)", function(p)
if p == "n" or p == "c" then
io.write("\n lua_pushinteger(L, p"..aux.n..");")
elseif p == "f" or p == "d" then
io.write("\n lua_pushnumber(L, p"..aux.n..");")
elseif p == "s" then
io.write("\n lua_pushstring(L, p"..aux.n..");")
elseif p == "i" then
io.write("\n iuplua_pushihandle(L, p"..aux.n..");")
elseif p == "o" then
io.write("\n lua_pushlightuserdata(L, p"..aux.n..");")
else
io.write("\n ERROR !! ")
end
aux.n = aux.n + 1
end)
if v.ret and v.ret == "s" then
io.write("\n return iuplua_call_ret_s(L, " .. max .. ");")
elseif v.ret and v.ret == "d" then
io.write("\n return iuplua_call_ret_d(L, " .. max .. ");")
else
io.write("\n return iuplua_call(L, " .. max .. ");")
end
io.write("\n}\n\n")
end
end
function write_initialization(o,t)
local aux= {n=1}
local c = t.callback
local u = firstupper(o)
if t.extrafuncs then
io.write('void iuplua_', o,'funcs_open(lua_State *L);\n\n')
end
if t.openfuncname then
io.write("int iup", t.openfuncname, "lua_open(lua_State * L)\n")
else
io.write("int iup", o, "lua_open(lua_State * L)\n")
end
io.write("{\n")
io.write(" iuplua_register(L, ")
if t.funcname then
u = t.funcname
end
io.write(u, ', "', u,'");\n\n')
for i,v in pairsSorted(c) do
local type = "NULL"
-- Handle callbacks that have same names but different parameters
if i == "action" or -- canvas, button, item, list, text, toggle, etc
i == "action_cb" or -- matrix and timer
i == "flat_action" or -- flatbutton, flatlist, dropbutton, flattoggle
i == "mousemove_cb" then -- matrix and val
type = '"'..string.lower(o)..'"'
end
io.write(' iuplua_register_cb(L, "',string.upper(i),'", (lua_CFunction)',o,'_',i,', ',type,');\n')
first = 0
end
io.write('\n')
if t.extrafuncs then
io.write(' iuplua_', o,'funcs_open(L);\n\n')
end
io.write('#ifdef IUPLUA_USELOH\n')
io.write('#include "', o,'.loh"\n')
io.write('#else\n')
io.write('#ifdef IUPLUA_USELH\n')
io.write('#include "', o,'.lh"\n')
io.write('#else\n')
io.write(' iuplua_dofile(L, "', o,'.lua");\n')
io.write('#endif\n')
io.write('#endif\n\n')
io.write(' return 0;\n')
io.write("}\n\n")
end
dofile(arg[1])
element.callback = adjustcallbacktable(element.callback)
filename = "il_"..element.nick..".c"
if (element.subdir) then
filename = element.subdir.."/"..filename
end
io.output(filename)
header(element.nick, element.include)
write_callbacks(element.nick, element.callback)
if element.createfunc == nil then
write_creation(element.nick, element)
else
io.write(element.createfunc)
end
write_initialization(element.nick, element)
if element.extracode then
io.write(element.extracode)
end