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#include "lua.h"
#include "lauxlib.h"
#include "finsh.h"
int c_print(lua_State *L)
{
int n = lua_gettop(L);
int i;
for (i=1; i<=n; i++)
{
if (i>1)
rt_kprintf("\t");
if (lua_isstring(L,i))
rt_kprintf("%s",lua_tostring(L,i));
else if (lua_isnumber(L, i))
rt_kprintf("%d",lua_tointeger(L,i));
else if (lua_isnil(L,i))
rt_kprintf("%s","nil");
else if (lua_isboolean(L,i))
rt_kprintf("%s",lua_toboolean(L,i) ? "true" : "false");
else
rt_kprintf("%s:%p",luaL_typename(L,i),lua_topointer(L,i));
}
rt_kprintf("\n");
return 0;
}
/**
* lua call c function
*/
int luacprint()
{
lua_State *L = luaL_newstate();
lua_register(L, "c_print", c_print);
rt_kprintf("lua test - c_print: c_print('lua for rt-thread')\n");
luaL_dostring(L, "c_print('lua for rt-thread')");
rt_kprintf("done\n");
lua_close(L);
return 0;
}
FINSH_FUNCTION_EXPORT(luacprint, register c function in lua and call it)
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