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e252aacf91
Fixes https://github.com/pry/pry/issues/1452. ($ RuntimeError.exception fails) Alternative to https://github.com/pry/pry/pull/1453.
53 lines
1.6 KiB
Ruby
53 lines
1.6 KiB
Ruby
require 'pry/commands/show_info'
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class Pry
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class Command::ShowSource < Command::ShowInfo
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match 'show-source'
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group 'Introspection'
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description 'Show the source for a method or class.'
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banner <<-'BANNER'
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Usage: show-source [OPTIONS] [METH|CLASS]
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Aliases: $, show-method
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Show the source for a method or class. Tries instance methods first and then
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methods by default.
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show-source hi_method
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show-source hi_method
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show-source Pry#rep # source for Pry#rep method
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show-source Pry # for Pry class
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show-source Pry -a # for all Pry class definitions (all monkey patches)
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show-source Pry.foo -e # for class of the return value of expression `Pry.foo`
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show-source Pry --super # for superclass of Pry (Object class)
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https://github.com/pry/pry/wiki/Source-browsing#wiki-Show_method
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BANNER
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def options(opt)
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opt.on :e, :eval, "evaluate the command's argument as a ruby expression and show the class its return value"
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super(opt)
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end
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def process
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if opts.present?(:e)
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obj = target.eval(args.first)
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self.args = Array.new(1) { Module === obj ? obj.name : obj.class.name }
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end
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super
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end
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# The source for code_object prepared for display.
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def content_for(code_object)
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code = Code.new(
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code_object.source || [],
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start_line_for(code_object)
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)
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code.with_line_numbers(use_line_numbers?).highlighted
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end
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end
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Pry::Commands.add_command(Pry::Command::ShowSource)
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Pry::Commands.alias_command 'show-method', 'show-source'
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Pry::Commands.alias_command '$', 'show-source'
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end
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