Re: toLua gives syntax errors

[L-28C <kixdemp@...>]

Nevermind, I solved it, I put '$hfile "class1.h"' in my package. :-)

Thanks!

Ariel Manzur wrote:
> you don't use tolua to generate the pkg file. The pkg file is
> generated by you, that's where you specify the interface you want to
> bind. in this case, you would create 'class.pkg' with something like:
>
> class Class1 {
>                void AddOne();
> };
>
> and then run 'tolua++ -o class1_Lua.cpp class1.pkg' (note that the
> output goes to a .cpp file). Then compile the cpp file and link with
> the rest of your stuff.
>
> Hope that helps..
>
> Ariel.
>
> On 6/20/07, L-28C <kixdemp@gmail.com> wrote:
> > Hello everyone!
> >
> > OK, I used these commands:
> >
> > tolua++ class1.h >> class1.pkg
> > tolua++ -o class1_Lua.h class1.pkg
> > g++ main.cpp class1.cpp -ltolua++
> >
> > GCC gives me this BS:
> > -----------------------------
> > In file included from main.cpp:6:
> > class1_Lua.h: In function `int
> > tolua_class1_tolua_class1_open00(lua_State*)':
> > class1_Lua.h:37: error: `tolua_ret' has both `extern' and initializer
> > class1_Lua.h:37: error: expected primary-expression before "extern"
> > class1_Lua.h:37: error: expected `)' before "extern"
> > class1_Lua.h: In function `int
> > tolua_class1_tolua_class1_open01(lua_State*)':
> > class1_Lua.h:90: error: `tolua_ret' has both `extern' and initializer
> > class1_Lua.h:90: error: expected primary-expression before "extern"
> > class1_Lua.h:90: error: expected `)' before "extern"
> > class1_Lua.h: In function `int 
> > tolua_class1_luaopen_class100(lua_State*)':
> > class1_Lua.h:115: error: `tolua_ret' has both `extern' and initializer
> > class1_Lua.h:115: error: expected primary-expression before "extern"
> > class1_Lua.h:115: error: expected `)' before "extern"
> > -----------------------------
> >
> > Did I do something wrong? Here's my files:
> >
> > main.cpp:
> > -----------------------------
> > #include <tolua++.h>
> >
> > #include "class1_Lua.h"
> >
> > int main()
> > {
> > }
> >
> > -----------------------------
> >
> >
> > class1.cpp:
> > -----------------------------
> > #include "class1.h"
> >
> > void Class1::AddOne()
> > {
> >         ++num;
> > }
> >
> > -----------------------------
> >
> >
> > class1.h:
> > -----------------------------
> > #ifndef CLASS1
> > #define CLASS1
> >
> > class Class1
> > {
> >         int num;
> >
> >         public:
> >                 void AddOne();
> > };
> >
> > #endif // CLASS1
> >
> > -----------------------------
> >
> > And here's the faulty one, class1_Lua.h:
> > -----------------------------
> > /*
> > ** Lua binding: class1
> > ** Generated automatically by tolua++-1.0.92 on 06/20/07 06:04:29.
> > */
> >
> > #ifndef __cplusplus
> > #include "stdlib.h"
> > #endif
> > #include "string.h"
> >
> > #include "tolua++.h"
> >
> > /* Exported function */
> > TOLUA_API int  tolua_class1_open (lua_State* tolua_S);
> >
> >
> > /* function to register type */
> > static void tolua_reg_types (lua_State* tolua_S)
> > {
> > }
> >
> > /* function: tolua_class1_open */
> > #ifndef TOLUA_DISABLE_tolua_class1_tolua_class1_open00
> > static int tolua_class1_tolua_class1_open00(lua_State* tolua_S)
> > {
> > #ifndef TOLUA_RELEASE
> >   tolua_Error tolua_err;
> >   if (
> >       !tolua_isnoobj(tolua_S,1,&tolua_err)
> >   )
> >    goto tolua_lerror;
> >   else
> > #endif
> >   {
> >    lua_State* tolua_S =  tolua_S;
> >    {
> >     TOLUA_API int tolua_ret = (TOLUA_API int)  
> > tolua_class1_open(tolua_S);
> >     tolua_pushnumber(tolua_S,(lua_Number)tolua_ret);
> >    }
> >   }
> >   return 1;
> > #ifndef TOLUA_RELEASE
> >   tolua_lerror:
> >   tolua_error(tolua_S,"#ferror in function
> > 'tolua_class1_open'.",&tolua_err);
> >   return 0;
> > #endif
> > }
> > #endif //#ifndef TOLUA_DISABLE
> >
> > /* function: tolua_reg_types */
> > #ifndef TOLUA_DISABLE_tolua_class1_tolua_reg_types00
> > static int tolua_class1_tolua_reg_types00(lua_State* tolua_S)
> > {
> > #ifndef TOLUA_RELEASE
> >   tolua_Error tolua_err;
> >   if (
> >       !tolua_isnoobj(tolua_S,1,&tolua_err)
> >   )
> >    goto tolua_lerror;
> >   else
> > #endif
> >   {
> >    lua_State* tolua_S =  tolua_S;
> >    {
> >     tolua_reg_types(tolua_S);
> >    }
> >   }
> >   return 0;
> > #ifndef TOLUA_RELEASE
> >   tolua_lerror:
> >   tolua_error(tolua_S,"#ferror in function 
> > 'tolua_reg_types'.",&tolua_err);
> >   return 0;
> > #endif
> > }
> > #endif //#ifndef TOLUA_DISABLE
> >
> > /* function: tolua_class1_open */
> > #ifndef TOLUA_DISABLE_tolua_class1_tolua_class1_open01
> > static int tolua_class1_tolua_class1_open01(lua_State* tolua_S)
> > {
> >   tolua_Error tolua_err;
> >   if (
> >       !tolua_isnoobj(tolua_S,1,&tolua_err)
> >   )
> >    goto tolua_lerror;
> >   else
> >   {
> >    lua_State* tolua_S =  tolua_S;
> >    {
> >     TOLUA_API int tolua_ret = (TOLUA_API int)  
> > tolua_class1_open(tolua_S);
> >     tolua_pushnumber(tolua_S,(lua_Number)tolua_ret);
> >    }
> >   }
> >   return 1;
> > tolua_lerror:
> >   return tolua_class1_tolua_class1_open00(tolua_S);
> > }
> > #endif //#ifndef TOLUA_DISABLE
> >
> > /* function: luaopen_class1 */
> > #ifndef TOLUA_DISABLE_tolua_class1_luaopen_class100
> > static int tolua_class1_luaopen_class100(lua_State* tolua_S)
> > {
> > #ifndef TOLUA_RELEASE
> >   tolua_Error tolua_err;
> >   if (
> >       !tolua_isnoobj(tolua_S,1,&tolua_err)
> >   )
> >    goto tolua_lerror;
> >   else
> > #endif
> >   {
> >    lua_State* tolua_S =  tolua_S;
> >    {
> >     TOLUA_API int tolua_ret = (TOLUA_API int)  luaopen_class1(tolua_S);
> >     tolua_pushnumber(tolua_S,(lua_Number)tolua_ret);
> >    }
> >   }
> >   return 1;
> > #ifndef TOLUA_RELEASE
> >   tolua_lerror:
> >   tolua_error(tolua_S,"#ferror in function 
> > 'luaopen_class1'.",&tolua_err);
> >   return 0;
> > #endif
> > }
> > #endif //#ifndef TOLUA_DISABLE
> >
> > /* Open function */
> > TOLUA_API int tolua_class1_open (lua_State* tolua_S)
> > {
> >   tolua_open(tolua_S);
> >   tolua_reg_types(tolua_S);
> >   tolua_module(tolua_S,NULL,0);
> >   tolua_beginmodule(tolua_S,NULL);
> >
> > tolua_function(tolua_S,"tolua_class1_open",tolua_class1_tolua_class1_open00); 
> >
> >    
> > tolua_function(tolua_S,"tolua_reg_types",tolua_class1_tolua_reg_types00);
> >
> > tolua_function(tolua_S,"tolua_class1_open",tolua_class1_tolua_class1_open01); 
> >
> >    
> > tolua_function(tolua_S,"luaopen_class1",tolua_class1_luaopen_class100);
> >   tolua_endmodule(tolua_S);
> >   return 1;
> > }
> >
> >
> > #if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM >= 501
> >   TOLUA_API int luaopen_class1 (lua_State* tolua_S) {
> >   return tolua_class1_open(tolua_S);
> > };
> > #endif
> > -----------------------------
> >
> > Anyone know what the problem is? Thanks! (And sorry for the long 
> > message...)