scala-parser-combinators
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scala-parser-combinators/scala.util.parsing/scala.util.parsing.combinator/scala.util.parsing.combinator.lexical/Scanners/Scanner

Scanner

scala.util.parsing.combinator.lexical.Scanners.Scanner
class Scanner(in: Reader[Char]) extends Reader[Token]

Scanner is essentially¹ a parser that produces Tokens from a stream of characters. The tokens it produces are typically passed to parsers in TokenParsers.

Attributes

Note

¹ Scanner is really a Reader of Tokens

Graph
Supertypes
class Reader[Token]
class Object
trait Matchable
class Any

Members list

Value members

Constructors

def this(in: String)

Convenience constructor (makes a character reader out of the given string)

Convenience constructor (makes a character reader out of the given string)

Attributes

Concrete methods

def atEnd: Boolean

true iff there are no more elements in this reader.

true iff there are no more elements in this reader.

Attributes

def first: Token

Returns the first element of the reader

Returns the first element of the reader

Attributes

override def offset: Int

Attributes

Definition Classes
def pos: Position

The position of the first element in the reader.

The position of the first element in the reader.

Attributes

def rest: Scanner

Returns an abstract reader consisting of all elements except the first

Returns an abstract reader consisting of all elements except the first

Attributes

Returns

If atEnd is true, the result will be this; otherwise, it's a Reader containing more elements.

override def source: CharSequence

If this is a reader over character sequences, the underlying char sequence. If not, throws a NoSuchMethodError exception.

If this is a reader over character sequences, the underlying char sequence. If not, throws a NoSuchMethodError exception.

Attributes

Throws
[[java.lang.NoSuchMethodError]]

if this not a char sequence reader.

Definition Classes

Inherited methods

def drop(n: Int): Reader[Token]

Returns an abstract reader consisting of all elements except the first n elements.

Returns an abstract reader consisting of all elements except the first n elements.

Attributes

Inherited from:
Reader
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