/* * This file is part of ltrace. * Copyright (C) 2011 Petr Machata, Red Hat Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA */ #include <assert.h> #include "lens.h" #include "lens_default.h" #include "type.h" #include "value.h" int format_argument(FILE *stream, struct value *value, struct value_dict *arguments) { /* Find the closest enclosing parental value whose type has a * lens assigned. */ struct value *parent; for (parent = value; (parent != NULL && parent->type != NULL && parent->type->lens == NULL); parent = parent->parent) ; struct lens *lens = &default_lens; if (parent != NULL && parent->type != NULL && parent->type->lens != NULL) lens = parent->type->lens; return lens_format(lens, stream, value, arguments); } int lens_format(struct lens *lens, FILE *stream, struct value *value, struct value_dict *arguments) { assert(lens->format_cb != NULL); return lens->format_cb(lens, stream, value, arguments); } void lens_destroy(struct lens *lens) { if (lens != NULL && lens->destroy_cb != NULL) lens->destroy_cb(lens); }