lib/ruby_memcheck/stack.rb in ruby_memcheck-0.3.0 vs lib/ruby_memcheck/stack.rb in ruby_memcheck-1.0.0

@@ -1,11 +1,39 @@
 # frozen_string_literal: true
 
 module RubyMemcheck
   class Stack
-    attr_reader :frames
+    attr_reader :configuration, :frames
 
     def initialize(configuration, stack_xml)
+      @configuration = configuration
       @frames = stack_xml.xpath("frame").map { |frame| Frame.new(configuration, frame) }
+    end
+
+    def skip?
+      in_binary = false
+
+      frames.each do |frame|
+        fn = frame.fn
+
+        if frame.in_ruby?
+          # If a stack from from the binary was encountered first, then this
+          # memory leak did not occur from Ruby
+          unless in_binary
+            # Skip this stack because it was called from Ruby
+            return true if configuration.skipped_ruby_functions.any? { |r| r.match?(fn) }
+          end
+        elsif frame.in_binary?
+          in_binary = true
+
+          # Skip the Init function because it is only ever called once, so
+          # leaks in it cannot cause memory bloat
+          return true if fn == "Init_#{configuration.binary_name}"
+        end
+      end
+
+      # Skip if the stack was never in the binary because it is very likely
+      # not a leak in the native gem
+      !in_binary
     end
   end
 end