Class: Airbrake::Backtrace::Line

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

Overview

Handles backtrace parsing line by line

Constant Summary collapse

INPUT_FORMAT =

regexp (optionnally allowing leading X: for windows support)

%r{^((?:[a-zA-Z]:)?[^:]+):(\d+)(?::in `([^']+)')?$}.freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file, number, method_name) ⇒ Line

Returns a new instance of Line.



28
29
30
31
32
# File 'lib/airbrake/backtrace.rb', line 28

def initialize(file, number, method_name)
  @file   = file
  @number = number
  @method_name = method_name
end

Instance Attribute Details

#fileObject (readonly)

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



12
13
14
# File 'lib/airbrake/backtrace.rb', line 12

def file
  @file
end

#method_nameObject (readonly)

The method_name of the line (such as index)



18
19
20
# File 'lib/airbrake/backtrace.rb', line 18

def method_name
  @method_name
end

#numberObject (readonly)

The line number portion of the line



15
16
17
# File 'lib/airbrake/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



23
24
25
26
# File 'lib/airbrake/backtrace.rb', line 23

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

Instance Method Details

#==(other) ⇒ Object



39
40
41
# File 'lib/airbrake/backtrace.rb', line 39

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

#inspectObject



43
44
45
# File 'lib/airbrake/backtrace.rb', line 43

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

#to_sObject

Reconstructs the line in a readable fashion



35
36
37
# File 'lib/airbrake/backtrace.rb', line 35

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