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path: root/src/lua/luaopen_jin.cpp
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#include "luaopen_jin.h"
#include "lua/luax.h"
#include "embed/embed.h"

namespace jin
{
namespace lua
{
    
    extern int luaopen_core(lua_State* L);
    extern int luaopen_graphics(lua_State* L);
    extern int luaopen_audio(lua_State* L);
    extern int luaopen_net(lua_State* L);
    extern int luaopen_event(lua_State* L);
    extern int luaopen_time(lua_State* L);
    extern int luaopen_mouse(lua_State* L);
    extern int luaopen_keyboard(lua_State* L);
    extern int luaopen_filesystem(lua_State* L); 
    extern int luaopen_joypad(lua_State* L);
    extern int luaopen_math(lua_State* L);
    extern int luaopen_thread(lua_State* L);
    extern int luaopen_bit(lua_State* L);

    static int l_getversion(lua_State* L)
    {
        luax_pushstring(L, VERSION);
        return 1; 
    }

    static int l_getAuthor(lua_State* L)
    {
        luax_pushstring(L, AUTHOR);
        return 1; 
    }

    static int l_getOS(lua_State* L)
    {
    #ifdef _WIN32 
        luax_pushstring(L, "windows");
    #elif defined __unix__
        luax_pushstring(L, "unix");
    #elif defined __APPLE__
        luax_pushstring(L, "macos");
    #endif
        return 1;
    } 
    
    static int l_revision(lua_State* L)
    {
        luax_pushnumber(L, REVISION);
        return 1;
    }

    static const luaL_Reg f[] = {
        { "version",  l_getversion },
        { "revision", l_revision   },
        { "author",   l_getAuthor  },
        { "os",       l_getOS      },
        { 0,          0            }
    };
    
    // submodules 
    static const luaL_Reg mods[] = {
        { "core",       luaopen_core       },
        { "event",      luaopen_event      },
        { "graphics",   luaopen_graphics   },
        { "time",       luaopen_time       },
        { "mouse",      luaopen_mouse      },
        { "keyboard",   luaopen_keyboard   },
        { "filesystem", luaopen_filesystem },
        { "net",        luaopen_net        },
        { "audio",      luaopen_audio      },
        { "joypad",     luaopen_joypad     },
        { "math",       luaopen_math       },
        { "thread",     luaopen_thread     },
        { "bit",        luaopen_bit        },
        { 0,            0                  }
    };

    int luaopen_jin(lua_State* L)
    {
        // jin module is on top of the stack 
        luax_newlib(L, f); 

        // set to global field
        luax_justglobal(L, -1, MODULE_NAME);

        // register submodules
        for (int i = 0; mods[i].name; ++i)
        {
            mods[i].func(L);
            luax_setfield(L, -2, mods[i].name);
        }

        return 1;
    }

    void boot(lua_State* L)
    {
        jin::embed::boot(L);
    }

} // lua
} // jin