jas43 avatar jas43 committed 325708e

Implement lua_register in Fortran.

This allows fortran procedures compiled into a shared library and then used
directly from Lua in the same way as C.

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Files changed (1)

LuaFortran/flu_binding.f90

 
   public :: fluL_loadfile, fluL_newstate, fluL_openlibs, fluL_loadstring
   public :: flu_copyptr
+  public :: flu_register
 
   interface flu_pushnumber
     module procedure flu_pushreal
 
   end subroutine flu_pushcclosure
 
+  subroutine flu_register(L, fn_name, fn) 
+
+    ! lua_register is defined as a macro in lua.h and isn't accessible from Fortran.
+    ! Re-implement macro explictly.
+
+    type(flu_State) :: L
+    character(len=*), intent(in) :: fn_name
+    procedure(lua_Function) :: fn
+
+    call flu_pushcclosure(L, fn, 0)
+    call flu_setglobal(L, fn_name)
+
+  end subroutine flu_register
 
   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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