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# File 'lib/milk_tea/tooling/cli/commands/lex.rb', line 6
def lex_command
path = nil
sexpr = false
args = @argv.dup
@argv = []
until args.empty?
arg = args.shift
next if arg == "--"
if arg == "--sexpr"
sexpr = true
next
end
if path.nil?
path = arg
else
@err.puts("unknown option: #{arg}")
print_usage(@err)
return 1
end
end
unless path
@err.puts("missing source file path")
print_usage(@err)
return 1
end
tokens = Lexer.lex(read_source_file(path), path: path)
if sexpr
@out.puts(SexprDumper.dump_tokens(tokens))
else
@out.write(PP.pp(tokens, +""))
end
0
end
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