//
// Created by Nils on 29.10.2023.
//
#ifndef STACK
#define STACK
#define SIZE 1000


#include <stdio.h>
#include <stdlib.h>

struct stackFrame {
    unsigned int *fp; // Frame pointer
    unsigned int *sp; // Stack pointer
    unsigned int *bp; // Base pointer
};

struct stack {
    int size;
    int currentFrame;
    struct stackFrame *frames[SIZE];
};

void printStack(struct stack *stack) {
    printf("Stack:\n");
    for (int i = 0; i < stack->size; ++i) {
        printf("[%d] = %d\n", i, stack->frames[stack->currentFrame]->sp[i]);
    }
}

void push(struct stack *stack, int value) {
    struct stackFrame *currentFrame = stack->frames[stack->currentFrame];
    *currentFrame->sp++ = value;
}

int pop(struct stack *stack) {
    struct stackFrame *currentFrame = stack->frames[stack->currentFrame];
    return *--currentFrame->sp;
}

#endif