object Lexer

Companion object of class Lexer which defines tokens and some utility concepts used for tokens and lexers

Source
Lexer.scala
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Content Hierarchy
StringLitFloatLitIntLitDelimToken
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Type Members

  1. case class Delim (char: Char) extends Token with Product with Serializable

    A subclass of Token representing single-character delimiters

    A subclass of Token representing single-character delimiters

    char

    the delimiter character making up this token

  2. case class FloatLit (str: String) extends Token with Product with Serializable

    A subclass of token representing floating point literals

  3. case class IntLit (str: String) extends Token with Product with Serializable

    A subclass of token representing integer literals

  4. class MalformedInput extends Exception

    An exception raised if an input does not correspond to what's expected

  5. case class StringLit (str: String) extends Token with Product with Serializable

    A subclass of token representing string literals

  6. class Token extends AnyRef

    The class of tokens, i.e.

    The class of tokens, i.e. descriptions of input words (or: lexemes).

Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. val Colon: Delim

    The ':' token

  5. val Comma: Delim

    The ',' token

  6. val EOF: Token

    The token representing end of input

  7. val FalseLit: Token

    The false token

  8. val LBrace: Delim

    The '{' token

  9. val LBracket: Delim

    The '[' token

  10. val LParen: Delim

    The '(' token

  11. val NullLit: Token

    The null token

  12. val RBrace: Delim

    The '}' token

  13. val RBracket: Delim

    The ']' token

  14. val RParen: Delim

    The ')' token

  15. val TrueLit: Token

    The true token

  16. final def asInstanceOf[T0]: T0
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  17. def clone(): AnyRef
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  18. final def eq(arg0: AnyRef): Boolean
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  19. def equals(arg0: Any): Boolean
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  20. def finalize(): Unit
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  21. final def getClass(): Class[_]
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  22. def hashCode(): Int
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  23. final def isInstanceOf[T0]: Boolean
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  24. final def ne(arg0: AnyRef): Boolean
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  25. final def notify(): Unit
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  26. final def notifyAll(): Unit
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  27. def quoted(str: String): String

    Returns given string enclosed in "-quotes with all string characters escaped so that they correspond to the JSON standard.

    Returns given string enclosed in "-quotes with all string characters escaped so that they correspond to the JSON standard. Characters that escaped are: ", \b, \f, \n, \r, \t, \. Furthermore, every other character which is not in the ASCII range 32-127 is escaped as a four hex-digit unicode character of the form \ u x x x x.

    str

    the string to be quoted

  28. final def synchronized[T0](arg0: ⇒ T0): T0
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  29. def toString(): String
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  30. final def wait(): Unit
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  31. final def wait(arg0: Long, arg1: Int): Unit
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  32. final def wait(arg0: Long): Unit
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