Class: ExceptionEngine::Backtrace::Line

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

Overview

Handles backtrace parsing line by line

Constant Summary collapse

INPUT_FORMAT = 
%r{^([^:]+):(\d+)(?::in `([^']+)')?$}.freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file, number, method) ⇒ Line

Returns a new instance of Line.



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# File 'lib/exception_engine/backtrace.rb', line 28

def initialize(file, number, method)
  self.file   = file
  self.number = number
  self.method = method
end

Instance Attribute Details

#file ⇒ Object

The file portion of the line (such as app/models/user.rb)



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# File 'lib/exception_engine/backtrace.rb', line 12

def file
  @file
end

#method ⇒ Object

The method of the line (such as index)



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# File 'lib/exception_engine/backtrace.rb', line 18

def method
  @method
end

#number ⇒ Object

The line number portion of the line



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# File 'lib/exception_engine/backtrace.rb', line 15

def number
  @number
end

Class Method Details

.parse(unparsed_line) ⇒ Line

Parses a single line of a given backtrace

Parameters:

  • unparsed_line (String) —

    The raw line from caller or some backtrace

Returns:

  • (Line) —

    The parsed backtrace line



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# File 'lib/exception_engine/backtrace.rb', line 23

def self.parse(unparsed_line)
  _, file, number, method = unparsed_line.match(INPUT_FORMAT).to_a
  new(file, number, method)
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/exception_engine/backtrace.rb', line 39

def ==(other)
  to_s == other.to_s
end

#inspect ⇒ Object 



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# File 'lib/exception_engine/backtrace.rb', line 43

def inspect
  "<Line:#{to_s}>"
end

#to_s ⇒ Object

Reconstructs the line in a readable fashion



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# File 'lib/exception_engine/backtrace.rb', line 35

def to_s
  "#{file}:#{number}:in `#{method}'"
end