NULL_EXPRESSION   408 compiler/create.c     exp = dkc_alloc_expression(NULL_EXPRESSION);
NULL_EXPRESSION   335 compiler/fix_tree.c 		       == NULL_EXPRESSION))) {
NULL_EXPRESSION   498 compiler/fix_tree.c     } else if (expr->u.binary_expression.left->kind == NULL_EXPRESSION
NULL_EXPRESSION   499 compiler/fix_tree.c 	       && expr->u.binary_expression.right->kind == NULL_EXPRESSION) {
NULL_EXPRESSION   527 compiler/fix_tree.c 	      && expr->u.binary_expression.right->kind == NULL_EXPRESSION)
NULL_EXPRESSION   529 compiler/fix_tree.c 	      && expr->u.binary_expression.left->kind == NULL_EXPRESSION))) {
NULL_EXPRESSION   825 compiler/fix_tree.c     case NULL_EXPRESSION:
NULL_EXPRESSION   901 compiler/fix_tree.c 		return_value = dkc_alloc_expression(NULL_EXPRESSION);
NULL_EXPRESSION   920 compiler/fix_tree.c 		return_value = dkc_alloc_expression(NULL_EXPRESSION);
NULL_EXPRESSION   488 compiler/generate.c     if ((left->kind == NULL_EXPRESSION && right->kind != NULL_EXPRESSION)
NULL_EXPRESSION   489 compiler/generate.c 	|| (left->kind != NULL_EXPRESSION && right->kind == NULL_EXPRESSION)) {
NULL_EXPRESSION   786 compiler/generate.c     case NULL_EXPRESSION: