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monty.h
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monty.h
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#ifndef MONTY_H
#define MONTY_H
/* HEADER FILES*/
#define _POSIX_C_SOURCE 200809L
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
/* DATA STRUCTURES */
/**
* 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 File_content - a struct containing item of a line
* @file: pointer to the file
* @line: a pointer to the line read by getline
* @line_number: the line number been read
* @num_tokens: number of tokens passed
* @tokens: contains the tokenized string
* @opcode_instruction: array holding a instruction_t struct
* @head: pointer to the head
*/
typedef struct File_content
{
FILE *file;
char *line;
unsigned int line_number;
int num_tokens;
char **tokens;
instruction_t *opcode_instruction;
stack_t *head;
} File_content;
extern File_content *file_ptr;
/* FUNCTION PROTOTYPES */
void count_arguments(int argc);
int main(int argc, char **argv);
void handle_file_opening(const char *name_of_file, FILE **file);
File_content *allocated_file_content(void);
void parse_line(void);
void get_opcode_func(void);
void invalid_instruction(void);
void fclose_file(void);
void free_tokens(void);
void free_file_ptr(void);
void execute_opcode(void);
void push(stack_t **stack, unsigned int line_number);
void free_stack(stack_t *head);
int is_digit_(char *str);
void free_head(void);
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);
void nop(stack_t **stack, unsigned int line_number);
int count_stacks(stack_t *stack);
void add(stack_t **stack, unsigned int line_number);
void sub(stack_t **stack, unsigned int line_number);
/**
* used _div for division since 'div' function is already defined
* in stdlib.h header file
*/
void _div(stack_t **stack, unsigned int line_number);
void mul(stack_t **stack, unsigned int line_number);
void mod(stack_t **stack, unsigned int line_number);
void handle_hash(void);
void pchar(stack_t **stack, unsigned int line_number);
void pstr(stack_t **stack, unsigned int line_number);
void rotl(stack_t **stack, unsigned int line_number);
void rotr(stack_t **stack, unsigned int line_number);
#endif /* MONTY_H */