/*:*
 *: File: ./src/core/functions.h
 *: A simple interpreter
 *: 
 *: WWW		: https://codeberg.org/snonux/fype
 *: AUTHOR	: http://buetow.org
 *: E-Mail	: fype at dev.buetow.org
 *: 
 *: Copyright (c) 2005 - 2008, Paul Buetow 
 *: All rights reserved.
 *: 
 *: Redistribution and use in source and binary forms, with or without modi-
 *: fication, are permitted provided that the following conditions are met:
 *:  * Redistributions of source code must retain the above copyright
 *:    notice, this list of conditions and the following disclaimer.
 *:  * 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.
 *:  * Neither the name of P. B. Labs 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 PAUL C. BUETOW 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 PAUL C. BUETOW 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 FUNCTIONS_H
#define FUNCTIONS_H

#include "token.h"

#include "interpret.h"
#include "../data/stack.h"
#include "../data/hash.h"

typedef struct {
   Hash *p_hash_functions;
} Functions;

Functions* functions_new();
void functions_delete(Functions *p_functions);
void functions_init(Functions *p_functions);

/* p_array_lhs / i_lhs_idx carry array-element LHS context for arr[i] = val;
 * pass NULL / 0 for plain assignment or non-assignment operators. */
void function_process(Interpret *p_interp, Token *p_token_op,
                      Token *p_token_op2, Stack *p_stack_args,
                      int i_args, Token *p_array_lhs, int i_lhs_idx);
_Bool function_is_buildin(Token *p_token_ident);
void function_process_buildin(Interpret *p_interpret,
                              Token *p_token_ident,
                              Stack *p_stack_args);
_Bool function_is_self_defined(Interpret *p_interpret);
void function_process_self_defined(Interpret *p_interpret,
                                   Token *p_token_ident);

#endif /* FUNCTIONS_H */