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monty.h
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#ifndef _MONTY_H_
#define _MONTY_H_
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
/**
* struct stack_s - doubly linked list representation of a stack (or queue)
* @n: integer
* @prev: points to the previous element of the stack (or queue)
* @next: points to the next element of the stack (or queue)
*
* Description: doubly linked list node structure
* for stack, queues, LIFO, FIFO
*/
typedef struct stack_s
{
int n;
struct stack_s *prev;
struct stack_s *next;
} stack_t;
/**
* struct instruction_s - opcode and its function
* @opcode: the opcode
* @f: function to handle the opcode
*
* Description: opcode and its function
* for stack, queues, LIFO, FIFO
*/
typedef struct instruction_s
{
char *opcode;
void (*f)(stack_t **stack, unsigned int line_number);
} instruction_t;
/**
* struct global - list head and opcode argument
* @opcode_arg: Stores the opcode argument
* @head: The list's head
* @isStackOn: are the list following stack? if yes assign 1
* Description: To be used when making the members globally
* available in all files
*/
typedef struct global
{
char *opcode_arg;
stack_t *head;
int isStackOn;
} head_and_opcode_arg;
extern head_and_opcode_arg globals;
/* tools.c */
int isValidInteger(char *string);
void free_list(void);
void add_at_bottom(stack_t *new);
/* stack_functions.c */
void push(stack_t **stack, unsigned int line_number);
void pall(stack_t **stack, unsigned int line_number);
void pint(stack_t **stack, unsigned int line_number);
void pop(stack_t **stack, unsigned int line_number);
void swap(stack_t **stack, unsigned int line_number);
/* stack_functions2.c */
void add(stack_t **stack, unsigned int line_number);
void nop(stack_t **stack, unsigned int line_number);
void sub(stack_t **stack, unsigned int line_number);
void divide(stack_t **stack, unsigned int line_number);
void multiply(stack_t **stack, unsigned int line_number);
/* parser.c */
void execute(char *buffer, unsigned int line_number);
/* stack_functions3.c */
void mod(stack_t **stack, unsigned int line_number);
void pstr(stack_t **stack, unsigned int line_number);
void rotr(stack_t **stack, unsigned int line_number);
void stack(stack_t **stack, unsigned int line_number);
void queue(stack_t **stack, unsigned int line_number);
/* stack_functions4.c */
void pchar(stack_t **stack, unsigned int line_number);
void rotl(stack_t **stack, unsigned int line_number);
/* get_opcode_instruction.c */
void (*get_opcode_func(char *op))(stack_t **stack, unsigned int line_number);
#endif /* _MONTY_H_ */