gcc/cp/typeck.c

4769 build_compound_expr (tree lhs, tree rhs)
4771   lhs = convert_to_void (lhs, "left-hand operand of comma");
4773   if (lhs == error_mark_node || rhs == error_mark_node)
4783       init = build2 (COMPOUND_EXPR, TREE_TYPE (init), lhs, init);
4789   return build2 (COMPOUND_EXPR, TREE_TYPE (rhs), lhs, rhs);
5591 build_modify_expr (tree lhs, enum tree_code modifycode, tree rhs)
5595   tree lhstype = TREE_TYPE (lhs);
5601   if (error_operand_p (lhs) || error_operand_p (rhs))
5605   switch (TREE_CODE (lhs))
5610       if (TREE_SIDE_EFFECTS (TREE_OPERAND (lhs, 0)))
5611 	lhs = build2 (TREE_CODE (lhs), TREE_TYPE (lhs),
5612 		      stabilize_reference (TREE_OPERAND (lhs, 0)),
5613 		      TREE_OPERAND (lhs, 1));
5615 		     lhs,
5616 		     build_modify_expr (TREE_OPERAND (lhs, 0),
5621       newrhs = build_modify_expr (TREE_OPERAND (lhs, 1),
5626 		     TREE_OPERAND (lhs, 0), newrhs);
5629       if (TREE_SIDE_EFFECTS (TREE_OPERAND (lhs, 0)))
5630 	lhs = build2 (TREE_CODE (lhs), TREE_TYPE (lhs),
5631 		      stabilize_reference (TREE_OPERAND (lhs, 0)),
5632 		      TREE_OPERAND (lhs, 1));
5633       newrhs = build_modify_expr (TREE_OPERAND (lhs, 0), modifycode, rhs);
5636       return build2 (COMPOUND_EXPR, lhstype, lhs, newrhs);
5642       if (!lvalue_or_else (lhs, lv_assign))
5645       gcc_assert (!TREE_SIDE_EFFECTS (TREE_OPERAND (lhs, 0))
5646 		  && !TREE_SIDE_EFFECTS (TREE_OPERAND (lhs, 1)));
5648       lhs = build3 (COND_EXPR, TREE_TYPE (lhs),
5649 		    build2 (TREE_CODE (lhs) == MIN_EXPR ? LE_EXPR : GE_EXPR,
5651 			    TREE_OPERAND (lhs, 0),
5652 			    TREE_OPERAND (lhs, 1)),
5653 		    TREE_OPERAND (lhs, 0),
5654 		    TREE_OPERAND (lhs, 1));
5676 	if (!lvalue_or_else (lhs, lv_assign))
5680 	  (TREE_OPERAND (lhs, 0),
5681 	   build_modify_expr (TREE_OPERAND (lhs, 1),
5683 	   build_modify_expr (TREE_OPERAND (lhs, 2),
5691 	  cond = build2 (COMPOUND_EXPR, TREE_TYPE (lhs), preeval, cond);
5706 	  result = build2 (INIT_EXPR, lhstype, lhs, rhs);
5714 	  result = build_special_member_call (lhs, complete_ctor_identifier,
5724       lhs = require_complete_type (lhs);
5725       if (lhs == error_mark_node)
5736 				     lhs, rhs, make_node (NOP_EXPR),
5751 	  lhs = stabilize_reference (lhs);
5752 	  newrhs = cp_build_binary_op (modifycode, lhs, rhs);
5756 		     TREE_TYPE (lhs), TREE_TYPE (rhs));
5768   if (!lvalue_or_else (lhs, lv_assign))
5774       && (TREE_READONLY (lhs) || CP_TYPE_CONST_P (lhstype)
5777 	  || TREE_CODE (TREE_TYPE (lhs)) == FUNCTION_TYPE
5778 	  || TREE_CODE (TREE_TYPE (lhs)) == METHOD_TYPE
5783     readonly_error (lhs, "assignment", 0);
5789   if (TREE_CODE (lhs) == COMPONENT_REF
5794       lhstype = TREE_TYPE (get_unwidened (lhs, 0));
5799       if (lhstype != TREE_TYPE (lhs))
5806 	      if (TREE_SIDE_EFFECTS (lhs))
5807 		lhs = stabilize_reference (lhs);
5808 	      olhs = lhs;
5810 	  lhs = copy_node (lhs);
5811 	  TREE_TYPE (lhs) = lhstype;
5843       return build_vec_init (lhs, NULL_TREE, newrhs,
5849     newrhs = convert_for_initialization (lhs, lhstype, newrhs, LOOKUP_NORMAL,
5869 	 cause the lhs to be constructed twice, and possibly result in
5882       result = objc_generate_write_barrier (lhs, modifycode, newrhs);
5889 		   lhstype, lhs, newrhs);
5913 build_x_modify_expr (tree lhs, enum tree_code modifycode, tree rhs)
5916     return build_min_nt (MODOP_EXPR, lhs,
5921       tree rval = build_new_op (MODIFY_EXPR, LOOKUP_NORMAL, lhs, rhs,
5930   return build_modify_expr (lhs, modifycode, rhs);