Class: RubyMemcheck::Frame

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby_memcheck/frame.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(configuration, loaded_binaries, frame_xml) ⇒ Frame

Returns a new instance of Frame.



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# File 'lib/ruby_memcheck/frame.rb', line 7

def initialize(configuration, loaded_binaries, frame_xml)
  @configuration = configuration
  @loaded_binaries = loaded_binaries

  @fn = frame_xml.at_xpath("fn")&.content
  @obj = frame_xml.at_xpath("obj")&.content
  # file and line may not be available
  @file = frame_xml.at_xpath("file")&.content
  @line = frame_xml.at_xpath("line")&.content
end

Instance Attribute Details

#configuration ⇒ Object (readonly)

Returns the value of attribute configuration.



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# File 'lib/ruby_memcheck/frame.rb', line 5

def configuration
  @configuration
end

#file ⇒ Object (readonly)

Returns the value of attribute file.



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# File 'lib/ruby_memcheck/frame.rb', line 5

def file
  @file
end

#fn ⇒ Object (readonly)

Returns the value of attribute fn.



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# File 'lib/ruby_memcheck/frame.rb', line 5

def fn
  @fn
end

#line ⇒ Object (readonly)

Returns the value of attribute line.



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# File 'lib/ruby_memcheck/frame.rb', line 5

def line
  @line
end

#loaded_binaries ⇒ Object (readonly)

Returns the value of attribute loaded_binaries.



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# File 'lib/ruby_memcheck/frame.rb', line 5

def loaded_binaries
  @loaded_binaries
end

#obj ⇒ Object (readonly)

Returns the value of attribute obj.



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# File 'lib/ruby_memcheck/frame.rb', line 5

def obj
  @obj
end

Instance Method Details

#binary_init_func? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruby_memcheck/frame.rb', line 32

def binary_init_func?
  return false unless in_binary?

  binary_name = File.basename(obj, ".*")
  fn == "Init_#{binary_name}"
end

#in_binary? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruby_memcheck/frame.rb', line 26

def in_binary?
  return false unless obj

  loaded_binaries.include?(obj)
end

#in_ruby? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruby_memcheck/frame.rb', line 18

def in_ruby?
  return false unless obj

  obj == configuration.ruby ||
    # Hack to fix Ruby built with --enabled-shared
    File.basename(obj) == "libruby.so.#{RUBY_VERSION}"
end

#to_s ⇒ Object 



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# File 'lib/ruby_memcheck/frame.rb', line 39

def to_s
  if file
    "#{fn} (#{file}:#{line})"
  elsif fn
    "#{fn} (at #{obj})"
  else
    "<unknown stack frame>"
  end
end