Class: Nanoc::Core::CompilationPhases::Resume

Inherits:
Abstract
  • Object
show all
Includes:
Nanoc::Core::ContractsSupport
Defined in:
lib/nanoc/core/compilation_phases/resume.rb

Overview

Provides functionality for suspending and resuming item rep compilation (using fibers).

Constant Summary collapse

DONE = 
Object.new

Instance Method Summary collapse

Methods included from Nanoc::Core::ContractsSupport

enabled?, included, setup_once, warn_about_performance

Methods inherited from Abstract

#call, #initialize, #start, #stop

Constructor Details

This class inherits a constructor from Nanoc::Core::CompilationPhases::Abstract

Instance Method Details

#run(rep, is_outdated:) ⇒ Object 



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# File 'lib/nanoc/core/compilation_phases/resume.rb', line 13

def run(rep, is_outdated:)
  fiber = fiber_for(rep, is_outdated: is_outdated) { yield }
  while fiber.alive?
    res = fiber.resume

    case res
    when Nanoc::Core::Errors::UnmetDependency
      Nanoc::Core::NotificationCenter.post(:compilation_suspended, rep, res.rep, res.snapshot_name)
      raise(res)
    when Proc
      fiber.resume(res.call)
    when DONE
      # ignore
    else
      raise Nanoc::Core::Errors::InternalInconsistency.new(
        "Fiber yielded object of unexpected type #{res.class}",
      )
    end
  end
end