Class: Tap::Middlewares::Debugger

Inherits:
Tap::Middleware show all
Includes:
Utils
Defined in:
lib/tap/middlewares/debugger.rb

Overview

:startdoc::middleware the default debugger

Defined Under Namespace

Modules: Utils Classes: InvalidSignatureError

Instance Attribute Summary

Attributes inherited from Tap::Middleware

#stack

Attributes inherited from App::Api

#app

Instance Method Summary collapse

Methods included from Utils

arity_ok?

Methods inherited from Tap::Middleware

#app, build, #initialize

Methods inherited from App::Api

#associations, build, help, inherited, #initialize, parse, parse!, parser, #to_spec

Methods included from Signals

#signal, #signal?

Methods included from Signals::ModuleMethods

included

Constructor Details

This class inherits a constructor from Tap::Middleware

Instance Method Details

#call(node, inputs = []) ⇒ Object 



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# File 'lib/tap/middlewares/debugger.rb', line 21

def call(node, inputs=[])
  open_io(output) do |io|
    io.puts "- - #{node.class}"
    io.puts "  - #{summarize(inputs)}"
  end
  
  check_signature(node, inputs)
  super
end

#check_signature(node, inputs) ⇒ Object 



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# File 'lib/tap/middlewares/debugger.rb', line 41

def check_signature(node, inputs)
  n = inputs.length
  
  call_arity = node.method(:call).arity
  unless arity_ok?(call_arity, n)
    raise InvalidSignatureError.new(node, inputs, :call, call_arity)
  end
  
  if node.kind_of?(Task)
    process_arity = node.method(:process).arity
    unless arity_ok?(process_arity, n)
      raise InvalidSignatureError.new(node, inputs, :process, process_arity)
    end
  end
  
  if node.kind_of?(Intern)
    process_block_arity = node.process_block
    unless arity_ok?(process_block_arity, n)
      raise InvalidSignatureError.new(node, inputs, :process_block, process_block_arity)
    end
  end
  
end

#summarize(inputs) ⇒ Object 



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# File 'lib/tap/middlewares/debugger.rb', line 31

def summarize(inputs)
  unless verbose
    inputs = inputs.collect do |input|
      input.class
    end
  end
  
  inputs.inspect
end