Remove additional variable, edit comment

gdb-port/parser.py

@@ -91,7 +91,6 @@ class ParserStack:
 		self.top_level_parse = top_level_parse # To avoid depending on top_level_parse.py
 		self.p_stack = []
 		self.unclaimed_mem_use = 0
-		self.partial_alloc_counts = []
 		self.stack_events = []
 		# Represents the index of a "waterline" on the stack_events for the purpose of counting allocations
 		# This is the index of the last event (stack push or pop) where the relevant allocations have been committed to TopLevelParse's memory stats.
@@ -130,7 +129,6 @@ class ParserStack:
 
 	def push(self, parser, should_commit=False):
 		self.p_stack.append(parser)
-		self.partial_alloc_counts.append(None)
 		if self.top_level_parse.memory_stat_method == HammerMemoryStatisticsMethod.DETAILED_ARENA_STATS:
 			#TODO: check that self.arena is same as gdb.selected_frame()'s arena
 			self.stack_events.append((StackEvent.PUSH, int(self.arena_gdbval['arena_malloc_bytes']), parser))
@@ -149,7 +147,6 @@ class ParserStack:
 				self.commit_at_push()
 
 	def pop(self):
-		self.partial_alloc_counts.pop()
 		parser_obj = self.peek()
 
 		if self.top_level_parse.memory_stat_method == HammerMemoryStatisticsMethod.DETAILED_ARENA_STATS:
@@ -221,10 +218,7 @@ class ParserStack:
 	# Represented by a '(' for push, and ')' pop, a typical list of stack events might look like:
 	# (()(())((()((((()(((((
 
-	# This can be broken up to the following:
-	#	a string of pushes at the start of the list, that do may not yet have a corresponding "pop" + a push/pop pair enclosing other push/pop pairs or string of pushes + another, optional, string of pushes at the end of the list
-
-	# Processing from end to start (right to left), when encountering a "pop", it is guaranteed there's a push somewhere, so we can break up the list like this:
+	# Processing from end to start (right to left), when encountering a "pop", it is guaranteed there's a corresponding push somewhere, so we can break up the list like this:
 	# (()(())((()((((() | (((((
 	# (()(())((()(((( | () | (((((
 	# (()(())((() | (((( | () | (((((