diff --git a/gdb-port/parser.py b/gdb-port/parser.py
index 6bfd8989ecae973542a6ad94443b541ca210976a..bb72f9d8d226f8bc7776925e8bffe53435058f4c 100644
--- a/gdb-port/parser.py
+++ b/gdb-port/parser.py
@@ -254,7 +254,7 @@ class ParserStack:
 	def compute_outer_frame(self, stack_slice):
 		if len(stack_slice) == 2:
 			return stack_slice[1][1] - stack_slice[0][1]
-		# The code below assumes len(stack_slice) >= 4, TODO: ensure that len(stack_slice) is never 3
+		# The code below assumes len(stíack_slice) >= 4, TODO: ensure that len(stack_slice) is never 3
 		else:
 			# Remove the "outer" frame, call the function recursively on the "inner" frames
 			#new_slice = stack_slice[1:-1]
@@ -330,7 +330,7 @@ class ParserStack:
 	# - the previous item on the list is a "pop" event. In this case self.stack_events[self.committed] == current_event (?)
 	#	- in this case we just need to add the difference in allocated bytes since that last "pop", to the parser we're about to pop off p_stack
 
-	def commit_pop(self):
+	def commit_on_pop(self):
 		current_event = self.stack_events[-1]
 		ev_start = self.committed if self.committed > 0 else 0
 		ev_list = self.stack_events[ev_start:]
@@ -338,8 +338,21 @@ class ParserStack:
 		current_parser = self.p_stack[-1]
 		print("commit_pop: ev_list:", ev_list) # DEBUG
 		print("commit_pop: current_parser:", current_parser) # DEBUG
+		print("commit_pop: current_event:", current_event) # DEBUG
 
-		for index, event in enumerate(ev_list[::-1]):
+		# We assume that there is either a string of "push" events before current event, or ev_list only contains the current event
+		# This is because if there were a "pop" event, it'd have triggered a commit already, moving self.committed up to its index
+		if len(ev_list) == 1:
+			assert ev_list[0] == current_event # DEBUG
+			# Compare bytes allocated in arena to last known value, which will be the additional bytes allocated since reentering the stack frame
+			alloc_size = self.stack_events[ev_start][1] - current_event[1]
+			current_event[0][2].add_mem_use(int(self.arena), alloc_size
+			return { current_event[0][2].address: alloc_size }
+
+		bytes_list = [ev[1] for ev in ev_list]
+
+		differences = list(map(lambda smaller, bigger: bigger-smaller, [], []))
+		for index, event in enumerate(reversed(ev_list[:-1])):
 			pass
 
 		self.committed = len(self.stack_events)-1