33 lines
672 B
Crystal
33 lines
672 B
Crystal
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require "option_parser"
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require "./src/spec"
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def print_tree(tree, indent = 0)
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indent.times { STDOUT << " " }
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case tree
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when Pegasus::Generated::TerminalTree
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STDOUT << "Terminal: "
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STDOUT.puts tree.string
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when Pegasus::Generated::NonterminalTree
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STDOUT << "Nonterminal: " << tree.name
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STDOUT.puts
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tree.children.each { |it| print_tree(it, indent + 1) }
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end
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end
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recipe_file_name = "some-non-existant-file"
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OptionParser.parse! do |parser|
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parser.on "-f file", "--file file", "File to parse." do |f|
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recipe_file_name = f
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end
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parser.on "-h", "--help", "Show this help" do
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puts parser
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exit 0
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end
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end
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specs = Specs.parse recipe_file_name
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pp! specs
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