# frozen_string_literal: true # # irb/lib/tracer.rb - # by Keiju ISHITSUKA([email protected]) # # Loading the gem "tracer" will cause it to extend IRB commands with: # https://github.com/ruby/tracer/blob/v0.2.2/lib/tracer/irb.rb begin require "tracer" rescue LoadError $stderr.puts "Tracer extension of IRB is enabled but tracer gem wasn't found." return # This is about to disable loading below end module IRB class CallTracer < ::CallTracer IRB_DIR = File.expand_path('../..', __dir__) def skip?(tp) super || tp.path.match?(IRB_DIR) || tp.path.match?('') end end class WorkSpace alias __evaluate__ evaluate # Evaluate the context of this workspace and use the Tracer library to # output the exact lines of code are being executed in chronological order. # # See https://github.com/ruby/tracer for more information. def evaluate(statements, file = __FILE__, line = __LINE__) if IRB.conf[:USE_TRACER] == true CallTracer.new(colorize: Color.colorable?).start do __evaluate__(statements, file, line) end else __evaluate__(statements, file, line) end end end end