libphobos/libdruntime/core/internal/entrypoint.d

   1 /**
   2  This module contains the code for C main and any call(s) to initialize the
   3  D runtime and call D main.
   4
   5   Copyright: Copyright Digital Mars 2000 - 2019.
   6   License: Distributed under the
   7        $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0).
   8      (See accompanying file LICENSE)
   9   Source: $(DRUNTIMESRC core/_internal/_entrypoint.d)
  10 */
  11 module core.internal.entrypoint;
  12
  13 /**
  14 A template containing C main and any call(s) to initialize druntime and
  15 call D main.  Any module containing a D main function declaration will
  16 cause the compiler to generate a `mixin _d_cmain();` statement to inject
  17 this code into the module.
  18 */
  19 template _d_cmain()
  20 {
  21     extern(C)
  22     {
  23         int _d_run_main(int argc, char **argv, void* mainFunc);
  24
  25         int _Dmain(char[][] args);
  26
  27         int main(int argc, char **argv)
  28         {
  29             return _d_run_main(argc, argv, &_Dmain);
  30         }
  31
  32         // Solaris, for unknown reasons, requires both a main() and an _main()
  33         version (Solaris)
  34         {
  35             int _main(int argc, char** argv)
  36             {
  37                 return main(argc, argv);
  38             }
  39         }
  40     }
  41 }