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