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Versions: 24
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Contents
module Rollbar
class Notifier
class TraceWithBindings # :nodoc:
attr_reader :frames, :exception_frames
def initialize
reset
end
def reset
@frames = []
@exception_frames = []
@exception_signature = nil
end
def enable
reset
trace_point.enable if defined?(TracePoint)
end
def disable
trace_point.disable if defined?(TracePoint)
end
private
def exception_signature(trace)
# use the exception backtrace to detect reraised exception.
trace.raised_exception.backtrace.first
end
def detect_reraise(trace)
@exception_signature == exception_signature(trace)
end
def trace_point
return unless defined?(TracePoint)
@trace_point ||= TracePoint.new(:call, :return, :b_call, :b_return, :c_call, :c_return, :raise) do |tp|
case tp.event
when :call, :b_call, :c_call, :class
frames.push frame(tp)
when :return, :b_return, :c_return, :end
frames.pop
when :raise
unless detect_reraise(tp) # ignore reraised exceptions
@exception_frames = @frames.dup # may be possible to optimize better than #dup
@exception_signature = exception_signature(tp)
end
end
end
end
def frame(trace)
{
:binding => trace.binding,
:defined_class => trace.defined_class,
:method_id => trace.method_id,
:path => trace.path,
:lineno => trace.lineno
}
end
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems