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Add Hello World example for LUA C API (#97)

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Justine Tunney 2021-03-08 14:13:40 -08:00
parent 2a3037d4e8
commit 67c27d9e6e
7 changed files with 50 additions and 9 deletions
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examples/hellolua.c Normal file
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#if 0
/*─────────────────────────────────────────────────────────────────╗
│ To the extent possible under law, Justine Tunney has waived │
│ all copyright and related or neighboring rights to this file, │
│ as it is written in the following disclaimers: │
│ • http://unlicense.org/ │
│ • http://creativecommons.org/publicdomain/zero/1.0/ │
╚─────────────────────────────────────────────────────────────────*/
#endif
#include "third_party/lua/lauxlib.h"
#include "third_party/lua/lualib.h"
int NativeAdd(lua_State *L) {
lua_Number x, y;
x = luaL_checknumber(L, 1);
y = luaL_checknumber(L, 2);
lua_pushnumber(L, x + y);
return 1; /* number of results */
}
int main(int argc, char *argv[]) {
lua_State *L;
L = luaL_newstate();
luaL_openlibs(L);
lua_pushcfunction(L, NativeAdd);
lua_setglobal(L, "NativeAdd");
luaL_dofile(L, "zip:examples/hellolua.lua");
lua_close(L);
return 0;
}