/*
 * Copyright (c) 2025 Ian Marco Moffett and L5 engineers
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the project nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _NP_AST_H_
#define _NP_AST_H_ 1

#include <sys/cdefs.h>
#include <np/lex.h>
#include <os/np.h>
#include <lib/ptrbox.h>
#include <string.h>

/*
 * Valid program integer types
 */
typedef enum {
    AST_BAD_TYPE,
    AST_U8,
    AST_U16,
    AST_U32,
    AST_U64,
    AST_I8,
    AST_I16,
    AST_I32,
    AST_I64
} ast_itype_t;

/*
 * AST node type
 */
typedef enum {
    AT_BAD_OBJTYPE, /* Bad */
    AST_PROC,       /* Procedure */
} ast_type_t;

/*
 * Represents an AST node
 *
 * @ident: Identifier
 * @num_type: Integer type
 * @type: Object type
 * @left: Left node
 * @right: Right node
 */
struct ast_node {
    char *ident;
    ast_itype_t num_type;
    ast_type_t type;
    struct ast_node *left;
    struct ast_node *right;
};

__always_inline static inline void *
ast_alloc(struct np_work *work)
{
    struct ast_node *np;

    np = ptrbox_alloc(sizeof(*np), work->work_mem);
    if (np != NULL) {
        memset(np, 0, sizeof(*np));
    }
    return np;
}

#endif  /* !_NP_AST_H_ */