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72 lines
1.3 KiB
Text
72 lines
1.3 KiB
Text
class P
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rule
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a: A
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{
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# comment test
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# comment test
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# string
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@sstring = 'squote string'
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@dstring = 'dquote string'
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# regexp
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@regexp = /some regexp with spaces/
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# gvar
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/regexp/ === 'some regexp matches to this string'
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@pre_match = $`
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@matched = $&
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@post_match = $'
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@m = $~
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# braces
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@array = []
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[1,2,3].each {|i|
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@array.push i
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}
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3.times { @array.push 10 }
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}
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end
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---- inner
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def parse
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@sstring = @dstring = nil
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@regexp = nil
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@pre_match = @matched = @post_match = @m = nil
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@src = [[:A, 'A'], [false, '$']]
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do_parse
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assert_equal 'squote string', @sstring
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assert_equal 'dquote string', @dstring
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assert_equal(/some regexp with spaces/, @regexp)
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assert_equal 'some ', @pre_match
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assert_equal 'regexp', @matched
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assert_equal ' matches to this string', @post_match
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assert_instance_of MatchData, @m
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end
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def assert_equal(ok, data)
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unless ok == data
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raise "expected <#{ok.inspect}> but is <#{data.inspect}>"
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end
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end
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def assert_instance_of(klass, obj)
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unless obj.instance_of?(klass)
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raise "expected #{klass} but is #{obj.class}"
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end
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end
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def next_token
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@src.shift
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end
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---- footer
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P.new.parse
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