gcc/cp/init.c

161 	data member and each base-class subobject is zero-initialized.
163      -- if T is a union type, the storage for its first data member is
299      a class with a pointer-to-data member as a non-static data member
322 perform_member_init (tree member, tree init)
325   tree type = TREE_TYPE (member);
333     warning (OPT_Weffc__, "%J%qD should be initialized in the member initialization "
334 	     "list", current_function_decl, member);
339   /* Get an lvalue for the data member.  */
340   decl = build_class_member_access_expr (current_class_ref, member,
383 			 current_function_decl, member);
385 	  /* member traversal: note it leaves init NULL */
387 	    pedwarn ("%Juninitialized reference member %qD",
388 		     current_function_decl, member);
390 	    pedwarn ("%Juninitialized member %qD with %<const%> type %qT",
391 		     current_function_decl, member, type);
394 	/* There was an explicit member initialization.  Do some work
396 	init = build_x_compound_expr_from_list (init, "member initializer");
406       expr = build_class_member_access_expr (current_class_ref, member,
588 	  /* See if this field is a member of a union, or a member of a
596 	  /* If this field is not a member of a union, skip it.  */
611 	     which is itself a member of a union.  For example, given:
900 /* Function to give error message if member initialization specification
901    is erroneous.  FIELD is the member we decided to initialize.
903    FIELD must be a member of TYPE.
905    MEMBER_NAME is the name of the member.  */
920       error ("%q#D is a static data member; it can only be "
927       error ("%q#D is not a non-static data member of %qT",
944    binfo, or the FIELD_DECL of the member.  If NAME is invalid, return
1308 /* Build a reference to a member of an aggregate.  This is not a C++
1310    then act as a pointer to member, for example TYPE :: FIELD can have
1320 build_offset_ref (tree type, tree member, bool address_p)
1326   if (TREE_CODE (member) == TEMPLATE_DECL)
1327     return member;
1329   if (dependent_type_p (type) || type_dependent_expression_p (member))
1330     return build_qualified_name (NULL_TREE, type, member,
1337   gcc_assert (DECL_P (member) || BASELINK_P (member));
1339   gcc_assert (!DECL_P (member) || TREE_USED (member));
1344       error ("incomplete type %qT does not have member %qD", type, member);
1350   if (TREE_CODE (member) == TYPE_DECL)
1351     return member;
1352   if (TREE_CODE (member) == VAR_DECL || TREE_CODE (member) == CONST_DECL)
1353     return convert_from_reference (member);
1355   if (TREE_CODE (member) == FIELD_DECL && DECL_C_BIT_FIELD (member))
1357       error ("invalid pointer to bit-field %qD", member);
1361   /* Set up BASEBINFO for member lookup.  */
1365   if (BASELINK_P (member))
1367       /* Go from the TREE_BASELINK to the member function info.  */
1368       tree t = BASELINK_FUNCTIONS (member);
1377 	  /* For non-static member of base class, we need a special rule
1380 	       If the access is to form a pointer to member, the
1391 	  member = t;
1394 	TREE_TYPE (member) = unknown_type_node;
1396   else if (address_p && TREE_CODE (member) == FIELD_DECL)
1399        a pointer to non-static member.  */
1400     perform_or_defer_access_check (TYPE_BINFO (type), member, member);
1407 	   An id-expression that denotes a nonstatic data member or
1408 	   nonstatic member function of a class can only be used:
1410 	   -- as part of a class member access (_expr.ref_) in which the
1411 	   object-expression refers to the member's class or a class
1414 	   -- to form a pointer to member (_expr.unary.op_), or
1416 	   -- in the body of a nonstatic member function of that class or
1421       if (DECL_NONSTATIC_MEMBER_FUNCTION_P (member))
1426 	  member = build2 (OFFSET_REF, TREE_TYPE (member), decl, member);
1427 	  /* In Microsoft mode, treat a non-static member function as if
1428 	     it were a pointer-to-member.  */
1431 	      PTRMEM_OK_P (member) = 1;
1432 	      return build_unary_op (ADDR_EXPR, member, 0);
1434 	  error ("invalid use of non-static member function %qD",
1435 		 TREE_OPERAND (member, 1));
1438       else if (TREE_CODE (member) == FIELD_DECL)
1440 	  error ("invalid use of non-static data member %qD", member);
1443       return member;
1446   member = build2 (OFFSET_REF, TREE_TYPE (member), decl, member);
1447   PTRMEM_OK_P (member) = 1;
1448   return member;
1485 	  /* If DECL is a static data member in a template
1487 	     initializer for the static data member is not processed
1764 	      error ("request for member %qD is ambiguous", fnname);
2837 	  /* Make sure we have access to the member op delete, even though
2875   tree member;
2928   for (member = TYPE_FIELDS (current_class_type); member;
2929        member = TREE_CHAIN (member))
2931       if (TREE_TYPE (member) == error_mark_node
2932 	  || TREE_CODE (member) != FIELD_DECL
2933 	  || DECL_ARTIFICIAL (member))
2935       if (TYPE_HAS_NONTRIVIAL_DESTRUCTOR (TREE_TYPE (member)))
2938 			      (current_class_ref, member,
2941 	  tree this_type = TREE_TYPE (member);