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pmauduit/print_stacktrace.rb

Forked from alainravet/print_stacktrace.rb
Created May 11, 2012 14:37
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How to print the stacktrace in Ruby
Raw
print_stacktrace.rb
# How to print the stacktrace from anywhere :
# 1°
#------------------------------------------------------------------------------
module Kernel
def print_stacktrace
raise
rescue
puts $!.backtrace[1..-1].join("\n")
end
end
# 2
#------------------------------------------------------------------------------
class J
def self.bar
puts "before"
print_stacktrace #<<-------------
puts "after"
end
end
class K
def self.foo
J.bar
end
end
begin
K.foo
end
#------------------------------------------------------------------------------
__END__
RESULT :
before
/Users/test/sanbox.rb:19:in `bar'
/Users/test/sanbox.rb:26:in `foo'
/Users/test/sanbox.rb:31
after
Program exited with code 0 after 0.03 seconds.
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