31 lines
895 B
Ruby
31 lines
895 B
Ruby
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module SlotMachine
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class MacroMaker
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# a list of instructions
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attr_reader :instructions
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# load slot code from a file, in a subdir code/ + filename
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# use load_string to compile the content
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def self.load_file(relative_name)
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path = File.expand_path( "../code/#{relative_name}" , __FILE__)
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load_string( File.read(path))
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end
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# compile the given SlotLanguage source
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# the compiler returns an array of Makers which a new MacroMaker
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# instance stores
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# return the MacroMaker that represents the source
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def self.load_string(source_code)
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MacroMaker.new( SlotCompiler.compile(source_code) )
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end
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# must initialize with an array of Makers, which is stored
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def initialize( instructions )
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@instructions = instructions
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raise "undefined source #{instructions}" unless instructions.is_a?(Instruction)
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end
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end
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end
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