Merge branch 'Assembler-G' into 'assembler'

Assembler g

See merge request lab2324_summer/armv8_43!1

src/assemble.c

@@ -1,5 +1,7 @@
 #include <stdlib.h>
+#include <stdio.h>
 
 int main(int argc, char **argv) {
+  
   return EXIT_SUCCESS;
 }

src/symboltable.c

@@ -0,0 +1,43 @@
+#include <stdio.h>
+
+typedef struct st st;
+
+
+
+typedef struct {
+    const void* key;
+    void* value;
+    node* prev;
+    node* next;
+} node;
+
+struct st {
+    node* head;
+    node* tail;
+};
+
+// add new node to the end
+void st_add(st table, void* key, void* value) {
+    node n = {key, value, table.tail};
+    (*(table.tail)).next = &n;
+    table.tail = &n;
+}
+
+// returns the pointer to key of the specified node, or null, if it does not exist
+void* st_search(st table, void* key) {
+    return nodeSearch(table.head, key);
+}
+
+void* nodeSearch(node* n, void* key) {
+    if (n != NULL) {
+        if ((*n).key == key) {
+            return (*n).value;
+        }
+        else {
+            return nodeSearch((*n).next, key);
+        }
+    }
+    else {
+        return NULL;
+    }
+}