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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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