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defmodule ElixirMathParser.Main do
def process_parse({:error, result}) do
IO.puts "\nParse error"
IO.inspect result
end
def process_parse({:ok, tree}) do
IO.puts "\nParse tree"
IO.inspect tree, pretty: true
state = ElixirMathParser.process_tree(tree)
IO.puts "\nFinal state"
IO.inspect state, pretty: true
end
def main(args) do
filename = Enum.fetch!(args, 0)
IO.puts "Parsing #{filename}"
text = File.read!(filename)
{:ok, tokens, line} = :elixir_math_parser_lexer.string(String.to_charlist(text))
IO.puts "Parsed #{filename}, stopped at line #{line}"
IO.puts "\nTokens:"
IO.inspect tokens, pretty: true
process_parse(:elixir_math_parser.parse(tokens))
end
end
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