trait Tokens extends AnyRef
This component provides the notion of Token
, the unit of information that is passed from lexical
parsers in the Lexical
component to the parsers in the TokenParsers
component.
- Source
- Tokens.scala
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case class
ErrorToken(msg: String) extends Token with Product with Serializable
A class of error tokens.
A class of error tokens. Error tokens are used to communicate errors detected during lexical analysis
-
abstract
class
Token extends AnyRef
Objects of this type are produced by a lexical parser or
scanner, and consumed by a parser.
Objects of this type are produced by a lexical parser or
scanner, and consumed by a parser.
Value Members
-
final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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final
def
asInstanceOf[T0]: T0
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def
clone(): AnyRef
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- protected[java.lang]
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final
def
eq(arg0: AnyRef): Boolean
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def
equals(arg0: Any): Boolean
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def
errorToken(msg: String): Token
This token is produced by a scanner
Scanner
when scanning failed. -
def
finalize(): Unit
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- protected[java.lang]
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- @throws( classOf[java.lang.Throwable] )
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final
def
getClass(): Class[_]
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def
hashCode(): Int
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final
def
isInstanceOf[T0]: Boolean
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final
def
ne(arg0: AnyRef): Boolean
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final
def
notify(): Unit
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final
def
notifyAll(): Unit
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final
def
synchronized[T0](arg0: ⇒ T0): T0
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def
toString(): String
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final
def
wait(): Unit
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final
def
wait(arg0: Long, arg1: Int): Unit
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final
def
wait(arg0: Long): Unit
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object
EOF extends Token with Product with Serializable
A class for end-of-file tokens