51 lines
983 B
Text
51 lines
983 B
Text
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class ActionDispatch::Journey::Parser
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options no_result_var
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token SLASH LITERAL SYMBOL LPAREN RPAREN DOT STAR OR
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rule
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expressions
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: expression expressions { Cat.new(val.first, val.last) }
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| expression { val.first }
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| or
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;
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expression
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: terminal
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| group
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| star
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;
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group
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: LPAREN expressions RPAREN { Group.new(val[1]) }
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;
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or
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: expression OR expression { Or.new([val.first, val.last]) }
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| expression OR or { Or.new([val.first, val.last]) }
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;
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star
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: STAR { Star.new(Symbol.new(val.last)) }
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;
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terminal
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: symbol
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| literal
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| slash
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| dot
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;
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slash
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: SLASH { Slash.new(val.first) }
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;
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symbol
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: SYMBOL { Symbol.new(val.first) }
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;
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literal
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: LITERAL { Literal.new(val.first) }
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;
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dot
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: DOT { Dot.new(val.first) }
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;
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end
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---- header
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# :stopdoc:
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require "action_dispatch/journey/parser_extras"
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