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41 lines
562 B
41 lines
562 B
2 years ago
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#!/usr/bin/env ruby -w
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$LOAD_PATH.unshift(File.expand_path("../lib", __dir__))
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require "lox"
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def run_prompt
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loop do
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print "> "
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line = gets
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break if line.nil? || line.empty?
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begin
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run(line)
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rescue Lox::Error => e
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puts e.message
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end
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end
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end
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def run_file(io)
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run(io.read)
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rescue Lox::Error => e
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puts e.message
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exit 65
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end
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def run(src)
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Lox::Runner.new.run(src)
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end
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if __FILE__ == $0
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puts "Usage: #$0 [script]" or exit 64 if ARGV.length > 1
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if ARGV.empty?
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run_prompt
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else
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run_file(ARGF)
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end
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end
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