1 #!/usr/bin/ruby 2 3 unless defined? Call 4 5 Call = Struct.new( :file, :line, :method ) 6 class Call 7 8 def self.parse( call_string ) 9 parts = call_string.split( ':', 3 ) 10 file = parts.shift 11 line = parts.shift.to_i 12 if parts.empty? 13 return Call.new( file, line ) 14 else 15 mstring = parts.shift 16 match = mstring.match( /`(.+)'/ ) 17 method = match ? match[ 1 ] : nil 18 return Call.new( file, line, method ) 19 end 20 end 21 22 def self.convert_backtrace( trace ) 23 trace.map { |c| parse c } 24 end 25 26 def irb? 27 self.file == '(irb)' 28 end 29 30 def e_switch? 31 self.file == '-e' 32 end 33 34 def to_s 35 string = '%s:%i' % [ file, line ] 36 method and string << ":in `%s'" % method 37 return( string ) 38 end 39 40 def inspect 41 to_s.inspect 42 end 43 end 44 45 module Kernel 46 def call_stack( depth = 1 ) 47 Call.convert_backtrace( caller( depth + 1 ) ) 48 end 49 end 50 51 class Exception 52 def backtrace! 53 Call.convert_backtrace( backtrace ) 54 end 55 end 56 57 end # unless defined? Call 58
