Class: Stackprofiler::Filter::BuildTree

Inherits:
Object
  • Object
show all
Defined in:
lib/stackprofiler/filters/build_tree.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ BuildTree

Returns a new instance of BuildTree.



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# File 'lib/stackprofiler/filters/build_tree.rb', line 4

def initialize(options={})
  @options = options
end

Instance Method Details

#filter(run, frames) ⇒ Object 



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# File 'lib/stackprofiler/filters/build_tree.rb', line 8

def filter run, frames
  stacks = run.stacks

  root_addr = stacks[0][0].to_s
  root = Tree::TreeNode.new root_addr, {addrs: [root_addr]}

  stacks.each do |stack|
    prev = root
    iterate stack do |addr|
      addr = addr.to_s
      node = prev[addr]
      if node.nil?
        hash = {count: 0, addrs: [addr]}
        node = Tree::TreeNode.new(addr, hash)
        prev << node
      end
      node.content[:count] +=1
      prev = node
    end
  end

  if inverted?
    root.children.each {|n| n.content[:open] = false }
  end

  root
end

#inverted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/stackprofiler/filters/build_tree.rb', line 36

def inverted?
  @options[:invert]
end

#iterate(stack, &blk) ⇒ Object 



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# File 'lib/stackprofiler/filters/build_tree.rb', line 40

def iterate stack, &blk
  if inverted?
    stack.reverse_each &blk
  else
    stack.each &blk
  end
end