/*
 * IDL Type Tree
 *
 * Copyright 2008 Robert Shearman
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "widltypes.h"
#include <assert.h>

#ifndef WIDL_TYPE_TREE_H
#define WIDL_TYPE_TREE_H

type_t *type_new_function(var_list_t *args);
type_t *type_new_pointer(type_t *ref, attr_list_t *attrs);
void type_interface_define(type_t *iface, type_t *inherit, func_list_t *funcs);
void type_dispinterface_define(type_t *iface, var_list_t *props, func_list_t *methods);
void type_dispinterface_define_from_iface(type_t *dispiface, type_t *iface);

static inline var_list_t *type_struct_get_fields(const type_t *type)
{
    assert(is_struct(type->type));
    return type->details.structure->fields;
}

static inline var_list_t *type_function_get_args(const type_t *type)
{
    assert(type->type == RPC_FC_FUNCTION);
    return type->details.function->args;
}

static inline var_list_t *type_enum_get_values(const type_t *type)
{
    assert(type->type == RPC_FC_ENUM16 || type->type == RPC_FC_ENUM32);
    return type->details.enumeration->enums;
}

static inline var_t *type_union_get_switch_value(const type_t *type)
{
    assert(type->type == RPC_FC_ENCAPSULATED_UNION);
    return LIST_ENTRY(list_head(type->details.structure->fields), var_t, entry);
}

static inline var_list_t *type_encapsulated_union_get_fields(const type_t *type)
{
    assert(type->type == RPC_FC_ENCAPSULATED_UNION);
    return type->details.structure->fields;
}

static inline var_list_t *type_union_get_cases(const type_t *type)
{
    assert(type->type == RPC_FC_ENCAPSULATED_UNION ||
           type->type == RPC_FC_NON_ENCAPSULATED_UNION);
    if (type->type == RPC_FC_ENCAPSULATED_UNION)
    {
        const var_t *uv = LIST_ENTRY(list_tail(type->details.structure->fields), const var_t, entry);
        return uv->type->details.structure->fields;
    }
    else
        return type->details.structure->fields;
}

static inline var_list_t *type_dispiface_get_props(const type_t *type)
{
    assert(type->type == RPC_FC_IP);
    return type->details.iface->disp_props;
}

static inline var_list_t *type_dispiface_get_methods(const type_t *type)
{
    assert(type->type == RPC_FC_IP);
    return type->details.iface->disp_methods;
}

static inline int type_is_defined(const type_t *type)
{
    return type->defined;
}

static inline int type_is_complete(const type_t *type)
{
    if (type->type == RPC_FC_FUNCTION)
        return (type->details.function != NULL);
    else if (type->type == RPC_FC_IP)
        return (type->details.iface != NULL);
    else if (type->type == RPC_FC_ENUM16 || type->type == RPC_FC_ENUM32)
        return (type->details.enumeration != NULL);
    else if (is_struct(type->type) || is_union(type->type))
        return (type->details.structure != NULL);
    else
        return TRUE;
}

#endif /* WIDL_TYPE_TREE_H */