Module: Tracee::Stack::BaseDecorator

Defined in:
lib/tracee/stack/base_decorator.rb

Class Method Summary collapse

Class Method Details

.call(source, paint_code_line: nil) ⇒ Object

Make sure that Dir.pwd is the application root directory



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# File 'lib/tracee/stack/base_decorator.rb', line 6

def self.call(source, paint_code_line: nil)
  return source if source.empty? or source[0]["\n"] # already decorated
  
  result, current_line_steps = [], []
  # path, file, line, is_block, block_level, method
  step_details = source[0].match(CALLER_RE)
  
  source.each_with_index do |step, i|
    next_step_details = source[i+1] && source[i+1].match(CALLER_RE)
    
    if step_details and step_details[:path] !~ Tracee::IGNORE_RE
      #if level = step_details[:block_level]
      #  step = step.sub(/block (\(\d+ levels\) )?in/, "{#{level}}")
      #end
      if method = step_details[:method] and next_step_details and [step_details[:path], step_details[:line]] == [next_step_details[:path], next_step_details[:line]]
        current_line_steps.unshift "`#{method}#{" {#{step_details[:block_level]}}" if step_details[:block_level]}'"
      elsif step_details[:line].to_i > 0 and code_line = Tracee::Stack.readline(step_details[:path], step_details[:line].to_i)
        current_line_steps.unshift step
        code_line = code_line.send paint_code_line if paint_code_line
        result << "#{current_line_steps * ' -> '}\n   >>   #{code_line}"
        current_line_steps = []
      else
        result << step
      end
    end
    step_details = next_step_details
  end
  
  if defined? IRB and IRB.conf[:BACK_TRACE_LIMIT] and result.size > IRB.conf[:BACK_TRACE_LIMIT] and result.last[-1] != "\n"
    result.last << "\n"
  end
  
  result
end