Initial commit

lib/parser-parser-part/Rakefile

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+require 'rspec/core/rake_task'
+
+RSpec::Core::RakeTask.new do |c|
+  options = ['--color']
+  options += %w[--format documentation]
+  c.rspec_opts = options
+end
+
+desc 'Generate Lexer'
+task :lexer do
+  `rex specification.rex -o lexer.rb`
+end
+
+desc 'Generate Parser'
+task :parser do
+  `racc grammar.y -o parser.rb`
+end
+
+desc 'Generate Lexer and Parser'
+task generate: %i[lexer parser]