Class: Flail::Backtrace

Inherits:
Object
  • Object
show all
Defined in:
lib/flail/backtrace.rb

Overview

Front end to parsing the backtrace for each notice

Defined Under Namespace

Classes: Line

Constant Summary collapse

DEFAULT_FILTERS = 
[
  lambda { |line| line.gsub(/^\.\//, "") },
  lambda { |line|
    if defined?(Gem)
      Gem.path.inject(line) do |line, path|
        line.gsub(/#{path}/, "[GEM_ROOT]")
      end
    end
  },
  lambda { |line| line if line !~ %r{lib/flail} }
].freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(lines) ⇒ Backtrace

Returns a new instance of Backtrace.



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# File 'lib/flail/backtrace.rb', line 84

def initialize(lines)
  self.lines = lines
end

Instance Attribute Details

#lines ⇒ Object

holder for an Array of Backtrace::Line instances



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# File 'lib/flail/backtrace.rb', line 65

def lines
  @lines
end

Class Method Details

.parse(ruby_backtrace, opts = {}) ⇒ Object 



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# File 'lib/flail/backtrace.rb', line 67

def self.parse(ruby_backtrace, opts = {})
  ruby_lines = split_multiline_backtrace(ruby_backtrace)

  filters = opts[:filters] || []
  filtered_lines = ruby_lines.to_a.map do |line|
    filters.inject(line) do |line, proc|
      proc.call(line)
    end
  end.compact

  lines = filtered_lines.collect do |unparsed_line|
    Line.parse(unparsed_line)
  end

  instance = new(lines)
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/flail/backtrace.rb', line 92

def ==(other)
  if other.respond_to?(:lines)
    lines == other.lines
  else
    false
  end
end

#inspect ⇒ Object 



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# File 'lib/flail/backtrace.rb', line 88

def inspect
  "<Backtrace: " + lines.collect { |line| line.inspect }.join(", ") + ">"
end

#to_ary ⇒ Object 



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# File 'lib/flail/backtrace.rb', line 100

def to_ary
  lines.inject([]) do |collector, line|
    collector << {
      :number => line.number,
      :file => line.file,
      :method => line.method
    }
  end
end