Packages

abstract class Scanner extends CharArrayReader with TokenData with ScannerData with ScannerCommon

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Inherited
  1. Scanner
  2. ScannerCommon
  3. ScannerData
  4. TokenData
  5. CommonTokenData
  6. CharArrayReader
  7. CharArrayReaderData
  8. AnyRef
  9. Any
Implicitly
  1. by any2stringadd
  2. by StringFormat
  3. by Ensuring
  4. by ArrowAssoc
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Visibility
  1. Public
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Instance Constructors

  1. new Scanner()

Type Members

  1. class CharArrayLookaheadReader extends CharArrayReader
    Definition Classes
    CharArrayReader

Abstract Value Members

  1. abstract val buf: Array[Char]
    Definition Classes
    CharArrayReader
  2. abstract def deprecationWarning(off: Scanners.Offset, msg: String, since: String): Unit
    Definition Classes
    ScannerCommon
  3. abstract def error(off: Scanners.Offset, msg: String): Unit
    Definition Classes
    ScannerCommon
  4. abstract def incompleteInputError(off: Scanners.Offset, msg: String): Unit
    Definition Classes
    ScannerCommon

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. def +(other: String): String
    Implicit
    This member is added by an implicit conversion from Scanner to any2stringadd[Scanner] performed by method any2stringadd in scala.Predef.
    Definition Classes
    any2stringadd
  4. def ->[B](y: B): (Scanner, B)
    Implicit
    This member is added by an implicit conversion from Scanner to ArrowAssoc[Scanner] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()
  5. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  6. def applyBracePatch(): Boolean

    overridden in UnitScanners: apply brace patch if one exists for this offset return true if subsequent end of line handling should be suppressed.

  7. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  8. val base: Int

    the base of a number

    the base of a number

    Definition Classes
    TokenData
  9. val cbuf: collection.mutable.StringBuilder

    A character buffer for literals

  10. val ch: Char

    the last read character

    the last read character

    Definition Classes
    CharArrayReaderData
  11. def charLitOr(op: () ⇒ Unit): Unit

    Parse character literal if current character is followed by \', or follow with given op and return a symbol literal token

  12. val charOffset: Int

    The offset one past the last read character

    The offset one past the last read character

    Definition Classes
    CharArrayReaderData
  13. def charVal: Char

    Convert current strVal to char value

  14. def checkNoLetter(): Unit
  15. def clone(): AnyRef
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  16. def copyFrom(sd: ScannerData): Scanner.this.type
    Definition Classes
    ScannerData
  17. def copyFrom(td: TokenData): Scanner.this.type
    Definition Classes
    TokenData
  18. def copyFrom(cd: CharArrayReaderData): Scanner.this.type
    Definition Classes
    CharArrayReaderData
  19. def decodeUni: Boolean
    Definition Classes
    CharArrayReader
  20. def deprecationWarning(msg: String, since: String): Unit
  21. def discardDocBuffer(): Unit

    To prevent doc comments attached to expressions from leaking out of scope onto the next documentable entity, they are discarded upon passing a right brace, bracket, or parenthesis.

  22. def emitIdentifierDeprecationWarnings: Boolean

    Determines whether this scanner should emit identifier deprecation warnings, e.g.

    Determines whether this scanner should emit identifier deprecation warnings, e.g. when seeing macro or then, which are planned to become keywords in future versions of Scala.

    Attributes
    protected
  23. def ensuring(cond: (Scanner) ⇒ Boolean, msg: ⇒ Any): Scanner
    Implicit
    This member is added by an implicit conversion from Scanner to Ensuring[Scanner] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  24. def ensuring(cond: (Scanner) ⇒ Boolean): Scanner
    Implicit
    This member is added by an implicit conversion from Scanner to Ensuring[Scanner] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  25. def ensuring(cond: Boolean, msg: ⇒ Any): Scanner
    Implicit
    This member is added by an implicit conversion from Scanner to Ensuring[Scanner] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  26. def ensuring(cond: Boolean): Scanner
    Implicit
    This member is added by an implicit conversion from Scanner to Ensuring[Scanner] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  27. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  28. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  29. final def fetchToken(): Unit

    read next token, filling TokenData fields of Scanner.

    read next token, filling TokenData fields of Scanner.

    Attributes
    protected
  30. def finalize(): Unit
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  31. def floatVal: Double
  32. def floatVal(negated: Boolean): Double

    Convert current strVal, base to double value

  33. def flushDoc(): Global.DocComment
  34. def formatted(fmtstr: String): String
    Implicit
    This member is added by an implicit conversion from Scanner to StringFormat[Scanner] performed by method StringFormat in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()
  35. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
  36. def getFraction(): Unit

    read fractional part and exponent of floating point number if one is present.

    read fractional part and exponent of floating point number if one is present.

    Attributes
    protected
  37. def getLitChar(): Unit

    copy current character into cbuf, interpreting any escape sequences, and advance to next character.

    copy current character into cbuf, interpreting any escape sequences, and advance to next character.

    Attributes
    protected
  38. def getNumber(): Unit

    Read a number into strVal.

    Read a number into strVal.

    The base can be 8, 10 or 16, where base 8 flags a leading zero. For ints, base 8 is legal only for the case of exactly one zero.

    Attributes
    protected
  39. def hashCode(): Int
    Definition Classes
    AnyRef → Any
  40. def healBraces(): List[BracePatch]

    overridden in UnitScanners

  41. def inFirstOfStat(token: Scanners.Token): Boolean

    Can token start a statement?

  42. def inLastOfStat(token: Scanners.Token): Boolean

    Can token end a statement?

  43. def incompleteInputError(msg: String): Unit

    signal an error where the input ended in the middle of a token

  44. def init(): Unit

    Initialization method: read first char, then first token

  45. def intVal: Long
  46. def intVal(negated: Boolean): Long

    Convert current strVal, base to long value.

    Convert current strVal, base to long value. This is tricky because of max negative value.

    Conversions in base 10 and 16 are supported. As a permanent migration path, attempts to write base 8 literals except 0 emit a verbose error.

  47. def invalidEscape(): Unit
    Attributes
    protected
  48. def isAtEnd: Boolean
  49. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  50. def isUnicodeEscape: Boolean

    Is last character a unicode escape \\uxxxx?

    Is last character a unicode escape \\uxxxx?

    Definition Classes
    CharArrayReader
  51. val lastLineStartOffset: Int

    The start offset of the line before the current one

    The start offset of the line before the current one

    Definition Classes
    CharArrayReaderData
  52. val lastOffset: Scanners.Offset

    the offset of the character following the token preceding this one

    the offset of the character following the token preceding this one

    Definition Classes
    TokenData
  53. val lastUnicodeOffset: Int
    Attributes
    protected
    Definition Classes
    CharArrayReaderData
  54. val lineStartOffset: Int

    The start offset of the current line

    The start offset of the current line

    Definition Classes
    CharArrayReaderData
  55. def lookaheadReader: CharArrayLookaheadReader

    A new reader that takes off at the current character position

    A new reader that takes off at the current character position

    Definition Classes
    CharArrayReader
  56. val name: Global.TermName

    the name of an identifier

    the name of an identifier

    Definition Classes
    TokenData → CommonTokenData
  57. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  58. val next: TokenData

    we need one token lookahead and one token history

    we need one token lookahead and one token history

    Definition Classes
    ScannerData
  59. final def nextChar(): Unit

    Advance one character; reducing CR;LF pairs to just LF

    Advance one character; reducing CR;LF pairs to just LF

    Definition Classes
    CharArrayReader
  60. final def nextRawChar(): Unit

    Advance one character, leaving CR;LF pairs intact.

    Advance one character, leaving CR;LF pairs intact. This is for use in multi-line strings, so there are no "potential line ends" here.

    Definition Classes
    CharArrayReader
  61. def nextToken(): Unit

    Produce next token, filling TokenData fields of Scanner.

  62. def nextTokenAllow(name: Global.Name): Unit

    Get next token, and allow the otherwise deprecated ident name

  63. final def notify(): Unit
    Definition Classes
    AnyRef
  64. final def notifyAll(): Unit
    Definition Classes
    AnyRef
  65. val offset: Scanners.Offset

    the offset of the first character of the current token

    the offset of the first character of the current token

    Definition Classes
    TokenData
  66. def parenBalance(token: Scanners.Token): Int

    overridden in UnitScanners

  67. val prev: TokenData
    Definition Classes
    ScannerData
  68. def putChar(c: Char): Unit

    append Unicode character to "cbuf" buffer

    append Unicode character to "cbuf" buffer

    Attributes
    protected
  69. def putCommentChar(): Unit
    Attributes
    protected
  70. def resume(lastCode: Scanners.Token): Unit
  71. var sepRegions: List[Scanners.Token]

    a stack of tokens which indicates whether line-ends can be statement separators also used for keeping track of nesting levels.

    a stack of tokens which indicates whether line-ends can be statement separators also used for keeping track of nesting levels. We keep track of the closing symbol of a region. This can be RPAREN if region starts with '(' RBRACKET if region starts with '[' RBRACE if region starts with '{' ARROW if region starts with 'case' STRINGLIT if region is a string interpolation expression starting with '${' (the STRINGLIT appears twice in succession on the stack iff the expression is a multiline string literal).

  72. def skipBlockComment(): Unit
  73. def skipComment(): Boolean

  74. def skipDocComment(): Unit
  75. final def skipNestedComments(): Unit
    Annotations
    @tailrec()
  76. def skipToken(): Scanners.Offset

    read next token and return last offset

  77. val strVal: String

    the string value of a literal

    the string value of a literal

    Definition Classes
    TokenData
  78. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  79. def syntaxError(msg: String): Unit

    generate an error at the current token offset

  80. def syntaxError(off: Scanners.Offset, msg: String): Unit

    generate an error at the given offset

  81. def toString(): String
    Definition Classes
    Scanner → AnyRef → Any
  82. val token: Scanners.Token

    the next token

    the next token

    Definition Classes
    TokenData → CommonTokenData
  83. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  84. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  85. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  86. def →[B](y: B): (Scanner, B)
    Implicit
    This member is added by an implicit conversion from Scanner to ArrowAssoc[Scanner] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Inherited from Scanners.ScannerCommon

Inherited from ScannerData

Inherited from TokenData

Inherited from Scanners.CommonTokenData

Inherited from CharArrayReader

Inherited from CharArrayReaderData

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion any2stringadd from Scanner to any2stringadd[Scanner]

Inherited by implicit conversion StringFormat from Scanner to StringFormat[Scanner]

Inherited by implicit conversion Ensuring from Scanner to Ensuring[Scanner]

Inherited by implicit conversion ArrowAssoc from Scanner to ArrowAssoc[Scanner]

Ungrouped