48 lines
943 B
Ruby
48 lines
943 B
Ruby
module Producer
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module Core
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class CLI
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ArgumentError = Class.new(::ArgumentError)
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USAGE = "Usage: #{File.basename $0} recipe_file"
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EX_USAGE = 64
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class << self
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def run!(arguments, output: $stderr)
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begin
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cli = new(arguments)
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rescue ArgumentError
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output.puts USAGE
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exit EX_USAGE
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end
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cli.run!
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end
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end
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attr_reader :arguments, :stdout
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def initialize(arguments, stdout: $stdout)
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raise ArgumentError unless arguments.any?
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@arguments = arguments
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@stdout = stdout
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end
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def run!
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interpreter.process recipe.tasks
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end
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def env
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@env ||= Env.new
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end
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def recipe
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@recipe ||= Recipe.evaluate_from_file(@arguments.first, env)
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end
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def interpreter
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@interpreter ||= Interpreter.new
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end
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end
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end
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end
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