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Lua: Put Genode integration into own Lua lib

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This commit is contained in:
Christian Helmuth 2012-05-23 21:27:22 +02:00
parent 28d4bdba83
commit 9471490d01
1 changed files with 21 additions and 12 deletions
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33
libports/src/test/moon/main.cc
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@ -35,12 +35,12 @@ static Timer::Session & timer_session()
*/
static int l_msleep(lua_State *lua)
{
if ((lua_gettop(lua) != 1)
|| !lua_isnumber(lua, 1)) {
lua_pushstring(lua, "msleep: invalid argument");
if (lua_gettop(lua) != 1) {
lua_pushstring(lua, "msleep: invalid number of arguments");
lua_error(lua);
return 0;
}
luaL_checknumber(lua, 1);
timer_session().msleep(lua_tonumber(lua, 1));
@ -54,7 +54,7 @@ static int l_msleep(lua_State *lua)
static int l_quota(lua_State *lua)
{
if ((lua_gettop(lua) != 0)) {
lua_pushstring(lua, "quota: invalid argument");
lua_pushstring(lua, "quota: invalid number of arguments");
lua_error(lua);
return 0;
}
@ -87,18 +87,29 @@ static int l_log(lua_State *lua)
}
/**
* Lua library for Genode functions
*/
static const struct luaL_reg l_genode[] = {
{ "log", l_log },
{ "msleep", l_msleep },
{ "quota", l_quota },
{ 0, 0 } /* end of list */
};
static char const *exec_string =
"local a = { }\n"
"log(a)\n"
"Genode.log(a)\n"
"a.foo = \"foo\"\n"
"a.bar = \"bar\"\n"
"log(a.foo .. \" \" .. a.bar)\n"
"Genode.log(a.foo .. \" \" .. a.bar)\n"
"\n"
"print(\"Our RAM quota is \"..quota()..\" bytes.\")\n"
"print(\"Our RAM quota is \"..Genode.quota()..\" bytes.\")\n"
"\n"
"print(\"Going to sleep...\")\n"
"for i=1,4 do\n"
" msleep(i * 1000)\n"
" Genode.msleep(i * 1000)\n"
" print(\"Slept well for \"..i..\" seconds.\")\n"
"end\n"
"print(\"Finished.\")\n"
@ -112,10 +123,8 @@ int main()
/* initialize libs */
luaopen_base(lua);
/* register local functions */
lua_register(lua, "log", l_log);
lua_register(lua, "msleep", l_msleep);
lua_register(lua, "quota", l_quota);
/* register Genode Lua library */
luaL_register(lua, "Genode", l_genode);
if (luaL_dostring(lua, exec_string) != 0)
PLOG("%s\n", lua_tostring(lua, -1));