re PR fortran/51207 ([OOP] Mark __def_init_... as FL_PARAMETER)

2011-11-19  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51207
        * class.c (gfc_find_derived_vtab): Mark __def_init as PARAMETER
        and hence as TREE_READONLY; add subroutine attribute to
        __copy_ procedure.

        PR fortran/50640
        * trans.h (GFC_DECL_PUSH_TOPLEVEL): New DECL_LANG_FLAG_7.
        * trans-decl.c (gfc_get_symbol_decl): Mark __def_init and vtab
        as GFC_DECL_PUSH_TOPLEVEL.
        (gfc_generate_function_code): If GFC_DECL_PUSH_TOPLEVEL, push it there.
        (build_function_decl): Push __copy_ procedure to the toplevel.

From-SVN: r181505

gcc/fortran/ChangeLog

+2011-11-19  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/51207
+	* class.c (gfc_find_derived_vtab): Mark __def_init as PARAMETER
+	and hence as TREE_READONLY; add subroutine attribute to
+	__copy_ procedure.
+
+	PR fortran/50640
+	* trans.h (GFC_DECL_PUSH_TOPLEVEL): New DECL_LANG_FLAG_7.
+	* trans-decl.c (gfc_get_symbol_decl): Mark __def_init and vtab as
+	GFC_DECL_PUSH_TOPLEVEL.
+	(gfc_generate_function_code): If GFC_DECL_PUSH_TOPLEVEL, push it there.
+	(build_function_decl): Push __copy_ procedure to the toplevel.
+
 2011-11-16  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/39427

gcc/fortran/class.c

@@ -522,7 +522,7 @@ gfc_find_derived_vtab (gfc_symbol *derived)
 		  def_init->attr.target = 1;
 		  def_init->attr.save = SAVE_IMPLICIT;
 		  def_init->attr.access = ACCESS_PUBLIC;
-		  def_init->attr.flavor = FL_VARIABLE;
+		  def_init->attr.flavor = FL_PARAMETER;
 		  gfc_set_sym_referenced (def_init);
 		  def_init->ts.type = BT_DERIVED;
 		  def_init->ts.u.derived = derived;
@@ -552,6 +552,7 @@ gfc_find_derived_vtab (gfc_symbol *derived)
 		  gfc_get_symbol (name, sub_ns, &copy);
 		  sub_ns->proc_name = copy;
 		  copy->attr.flavor = FL_PROCEDURE;
+		  copy->attr.subroutine = 1;
 		  copy->attr.if_source = IFSRC_DECL;
 		  if (ns->proc_name->attr.flavor == FL_MODULE)
 		    copy->module = ns->proc_name->name;

gcc/fortran/trans-decl.c

@@ -1471,6 +1471,10 @@ gfc_get_symbol_decl (gfc_symbol * sym)
       && !sym->attr.proc_pointer)
     DECL_BY_REFERENCE (decl) = 1;
 
+  if (sym->attr.vtab
+      || (sym->name[0] == '_' && strncmp ("__def_init", sym->name, 10) == 0))
+    GFC_DECL_PUSH_TOPLEVEL (decl) = 1;
+
   return decl;
 }
 
@@ -1891,7 +1895,8 @@ build_function_decl (gfc_symbol * sym, bool global)
   /* Layout the function declaration and put it in the binding level
      of the current function.  */
 
-  if (global)
+  if (global
+      || (sym->name[0] == '_' && strncmp ("__copy", sym->name, 6) == 0))
     pushdecl_top_level (fndecl);
   else
     pushdecl (fndecl);
@@ -5316,7 +5321,10 @@ gfc_generate_function_code (gfc_namespace * ns)
 
       next = DECL_CHAIN (decl);
       DECL_CHAIN (decl) = NULL_TREE;
-      pushdecl (decl);
+      if (GFC_DECL_PUSH_TOPLEVEL (decl))
+	pushdecl_top_level (decl);
+      else
+	pushdecl (decl);
       decl = next;
     }
   saved_function_decls = NULL_TREE;

gcc/fortran/trans.h

@@ -802,6 +802,7 @@ struct GTY((variable_size)) lang_decl {
 #define GFC_DECL_CRAY_POINTEE(node) DECL_LANG_FLAG_4(node)
 #define GFC_DECL_RESULT(node) DECL_LANG_FLAG_5(node)
 #define GFC_DECL_SUBREF_ARRAY_P(node) DECL_LANG_FLAG_6(node)
+#define GFC_DECL_PUSH_TOPLEVEL(node) DECL_LANG_FLAG_7(node)
 
 /* An array descriptor.  */
 #define GFC_DESCRIPTOR_TYPE_P(node) TYPE_LANG_FLAG_1(node)