praks IV doneHEADmaster

4 files changed, 125 insertions, 34 deletions

diff --git a/src/bfi.c b/src/bfi.c
index cc13b11..03b32c1 100644
--- a/src/bfi.c
+++ b/src/bfi.c
@@ -11,6 +11,9 @@
 #endif
 
 void intepret(char *program){
+
+    struct stack_st stack= { .len = 0, .size = 0, .arr = NULL};
+
     int i = 0;
     int length = 0;
     while (program[i++] != '\0')
@@ -18,8 +21,6 @@ void intepret(char *program){
 
     i = 0;
     while (i < length){
-        //printf("i = %d\n",i);
-        //printf("%c\n", program[i]);
         
         switch(program[i]) {
 
@@ -69,9 +70,14 @@ void intepret(char *program){
 
 
             case BF_START_LOOP: {
-                stackPush(i);
+                stackPush(&stack, i);
                 int memVal = mem_get();
 
+                //printf("StartLoop! i = %d\n",i);
+                //printf("memVal: %d\n", mem_get());
+                //printf("stackVal: %d\n", stackPeek(&stack));
+                //printf("%c\n\n", program[i]);
+
                 //Skiping loop
                 if (memVal == 0){
                     int helpCounter = 1;
@@ -82,19 +88,24 @@ void intepret(char *program){
                         if (program[i] == ']')
                             helpCounter--;
                     }
-                    stackPop();
+                    stackPop(&stack);
                 }
                 break;
             }
 
 
             case BF_END_LOOP: {
+                //printf("Endloop! i = %d\n",i);
+                //printf("memVal: %d\n", mem_get());
+                //printf("stackVal: %d\n", stackPeek(&stack));
+                //printf("%c\n\n", program[i]);
+
                 if (mem_get() != 0){
-                    i = stackPop();
-                    stackPush(i);
+                    i = stackPop(&stack);
+                    stackPush(&stack, i);
                 }
                 else
-                    stackPop();
+                    stackPop(&stack);
                 break;
             }
 
diff --git a/src/mem.c b/src/mem.c
index 798fa1b..9b43c9d 100644
--- a/src/mem.c
+++ b/src/mem.c
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <string.h>
 #include "mem.h"
 
 struct mem_st mem = { .pos = 0, .arr={0}};
@@ -62,3 +63,37 @@ void mem_printDebug(){
     }
     printf("\n");
 }
+
+
+
+/*
+// Praks 10-11 Added 
+
+void mem_add(int amount){
+    mem.arr[mem.pos] += amount;
+}
+
+mem_int(){return mem_add(-1);};
+mem_dec(){return mem_add(1);};
+
+int mem_move(int amount) {
+    int new_pos = mem.pos + amount;
+    if (amount < 0) {
+        //NB, siin võib olla probleem
+        new_pos += (MEM_SIZE -1);
+    }
+    else if (new_pos >= MEM_SIZE){
+        new_pos %= MEM_SIZE;
+    }
+    mem.pos = new_pos;
+    return mem_pos;
+}
+
+void mem_init() {
+    memset(mem.arr, 0, MEM_SIZE * sizeof(char));
+    //for (int i = 0; i < MEM_SIZE; ++i) {
+    //    mem.arr[i] = 0;
+    //}
+}
+
+*/
diff --git a/src/stack.c b/src/stack.c
index d29d1a7..afdf243 100644
--- a/src/stack.c
+++ b/src/stack.c
@@ -1,55 +1,100 @@
-#include "stack.h"
 #include <stdio.h>
+#include <stdlib.h>
+#include "stack.h"
 
-#define STACK_SIZE 100
+void stackPush(struct stack_st* s, int val){
 
-struct stack_st stack = { .len = 0, .arr = {0}};
+  if (s->len == 0 || s->arr == NULL){
 
-// Functions
+    // Peame küsima mälu
+    s->size = 1;
+    //printf("yeet: %d\n", *(s->arr));
+    s->arr = (int*) malloc(s->size * sizeof(int));
 
-void stackPush(int val){
-  if (stack.len >= STACK_SIZE){
-	printf("Stack overrflow\n");
-	return;
+    // Kontrollime, et mälu allokeermisel ei tekinud probleeme
+    if (s->arr == NULL) {
+	    printf("Mälu otsas\n");
+        return;
+    }
+    s->arr[s->len++] = val;
+
+  } // s->len == 0 end
+
+  else if (s->len == s->size){
+    int tmp_size = 2 * s->size;
+    int* tmp_arr = realloc(s->arr, tmp_size);
+
+    // Kontrollime, kas saime mälu juurde
+    if (tmp_arr == NULL) {
+	    printf("Mäluala suurendamine Erroris\n");
+        return;
+    }
+
+    s->size = tmp_size;
+    s->arr = tmp_arr;
+
+    s->arr[s->len] = val;
+    s->len++;
+    return;
+  }
+  else {
+    s->arr[s->len++] = val;
   }
-  stack.arr[stack.len] = val;
-  stack.len++;
-  return;
 }
 
 
-int stackPop(void){
-  if (stackIsEmpty()){
-	return 0;
+int stackPop(struct stack_st *s){
+  int x = s->arr[--s->len];
+  int tmp_size = s->size / 2;
+
+  // Kui vaja s-> mälu suurust kahandada
+  if (s->len < tmp_size){
+     int* tmp_arr = realloc(s->arr, tmp_size);
+
+     if (!tmp_arr){
+         printf("No good, malu otsas");
+         return 0;
+     }
+
+  s->size = tmp_size;
+  s->arr = tmp_arr;
   }
-  int stackPopped = stack.arr[--stack.len];
-  return stackPopped;
+
+  if (s->len == 0)
+      stackFree(s);
+
+  return x;
+}
+
+void stackFree(struct stack_st *s){
+  free(s->arr); 
+  s->arr = NULL;
 }
 
 
-int stackIsEmpty(void) {
-    return !(stack.len > 0);
+int stackIsEmpty(struct stack_st *s) {
+    return !(s->len > 0);
 }
 
 
-int stackPeek(){
-	// To avoid funking up the stack.len
-	if (stackIsEmpty()) return 0;
-	else if (stack.len == 1) return stack.arr[1];
+int stackPeek(struct stack_st *s){
+	// To avoid funking up the s->len
+	if (stackIsEmpty(s)) return 0;
+	else if (s->len == 1) return s->arr[1];
 	else{
-		int x = stackPop();
-		stackPush(x);
+		int x = stackPop(s);
+		stackPush(s, x);
 		return x;
 	}
 }
 
 
-void stackPrint(){
+void stackPrint(struct stack_st *s){
 	while(1){
-		if(stackIsEmpty())
+		if(stackIsEmpty(s))
 			break;
 
-		int x = stackPop();
+		int x = stackPop(s);
 		printf("%d\n", x);
 	}
 	return;
diff --git a/src/translator.c b/src/translator.c
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/translator.c