scala.tools.nsc.ast.parser.Scanners

Scanner

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 StringAdd
  2. by StringFormat
  3. by Ensuring
  4. by ArrowAssoc
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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): 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: AnyRef): Boolean

    Definition Classes
    AnyRef
  2. final def !=(arg0: Any): Boolean

    Definition Classes
    Any
  3. final def ##(): Int

    Definition Classes
    AnyRef → Any
  4. def +(other: String): String

    Implicit information
    This member is added by an implicit conversion from Scanner to StringAdd[Scanner] performed by method StringAdd in scala.Predef.
    Definition Classes
    StringAdd
  5. def ->[B](y: B): (Scanner, B)

    Implicit information
    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()
  6. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  7. final def ==(arg0: Any): Boolean

    Definition Classes
    Any
  8. 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.

  9. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  10. var base: Int

    the base of a number

    the base of a number

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

    A character buffer for literals

  12. var ch: Char

    the last read character

    the last read character

    Definition Classes
    CharArrayReaderData
  13. 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

  14. var charOffset: Int

    The offset one past the last read character

    The offset one past the last read character

    Definition Classes
    CharArrayReaderData
  15. def charVal: Char

    Convert current strVal to char value

  16. def checkNoLetter(): Unit

  17. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  18. def copyFrom(sd: ScannerData): Scanner.this.type

    Definition Classes
    ScannerData
  19. def copyFrom(td: TokenData): Scanner.this.type

    Definition Classes
    TokenData
  20. def copyFrom(cd: CharArrayReaderData): Scanner.this.type

    Definition Classes
    CharArrayReaderData
  21. def decodeUni: Boolean

    Definition Classes
    CharArrayReader
  22. def deprecationWarning(msg: String): Unit

  23. 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.

  24. def emitIdentifierDeprecationWarnings: Boolean

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

    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
  25. def ensuring(cond: (Scanner) ⇒ Boolean, msg: ⇒ Any): Scanner

    Implicit information
    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: (Scanner) ⇒ Boolean): Scanner

    Implicit information
    This member is added by an implicit conversion from Scanner to Ensuring[Scanner] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  27. def ensuring(cond: Boolean, msg: ⇒ Any): Scanner

    Implicit information
    This member is added by an implicit conversion from Scanner to Ensuring[Scanner] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  28. def ensuring(cond: Boolean): Scanner

    Implicit information
    This member is added by an implicit conversion from Scanner to Ensuring[Scanner] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  29. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  30. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any
  31. final def fetchToken(): Unit

    read next token, filling TokenData fields of Scanner.

    read next token, filling TokenData fields of Scanner.

    Attributes
    protected
  32. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  33. def floatVal: Double

  34. def floatVal(negated: Boolean): Double

    Convert current strVal, base to double value

  35. def flushDoc(): Global.DocComment

  36. def formatted(fmtstr: String): String

    Implicit information
    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()
  37. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any
  38. 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
  39. 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
  40. def getNumber(): Unit

    Read a number into strVal and set base

    Read a number into strVal and set base

    Attributes
    protected
  41. def hashCode(): Int

    Definition Classes
    AnyRef → Any
  42. def healBraces(): List[BracePatch]

    overridden in UnitScanners

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

    Can token start a statement?

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

    Can token end a statement?

  45. def incompleteInputError(msg: String): Unit

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

  46. def init(): Unit

    Initialization method: read first char, then first token

  47. def intVal: Long

  48. def intVal(negated: Boolean): Long

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

  49. def invalidEscape(): Unit

    Attributes
    protected
  50. def isAtEnd: Boolean

  51. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  52. def isUnicodeEscape: Boolean

    Is last character a unicode escape \\uxxxx?

    Is last character a unicode escape \\uxxxx?

    Definition Classes
    CharArrayReader
  53. var 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
  54. var 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
  55. var lastUnicodeOffset: Int

    Attributes
    protected
    Definition Classes
    CharArrayReaderData
  56. var lineStartOffset: Int

    The start offset of the current line

    The start offset of the current line

    Definition Classes
    CharArrayReaderData
  57. 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
  58. var name: Global.TermName

    the name of an identifier

    the name of an identifier

    Definition Classes
    TokenDataCommonTokenData
  59. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  60. val next: TokenData

    we need one token lookahead and one token history

    we need one token lookahead and one token history

    Definition Classes
    ScannerData
  61. 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
  62. 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
  63. def nextToken(): Unit

    Produce next token, filling TokenData fields of Scanner.

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

    Get next token, and allow the otherwise deprecated ident name

  65. final def notify(): Unit

    Definition Classes
    AnyRef
  66. final def notifyAll(): Unit

    Definition Classes
    AnyRef
  67. var 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
  68. def parenBalance(token: Scanners.Token): Int

    overridden in UnitScanners

  69. val prev: TokenData

    Definition Classes
    ScannerData
  70. def putChar(c: Char): Unit

    append Unicode character to "cbuf" buffer

    append Unicode character to "cbuf" buffer

    Attributes
    protected
  71. def putCommentChar(): Unit

    Attributes
    protected
  72. def resume(lastCode: Scanners.Token): Unit

  73. 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).

  74. def skipBlockComment(): Unit

  75. def skipComment(): Boolean

  76. def skipDocComment(): Unit

  77. final def skipNestedComments(): Unit

    Annotations
    @tailrec()
  78. def skipToken(): Scanners.Offset

    read next token and return last offset

  79. var strVal: String

    the string value of a literal

    the string value of a literal

    Definition Classes
    TokenData
  80. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef
  81. def syntaxError(msg: String): Unit

    generate an error at the current token offset

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

    generate an error at the given offset

  83. def toString(): String

    Definition Classes
    Scanner → AnyRef → Any
  84. var token: Scanners.Token

    the next token

    the next token

    Definition Classes
    TokenDataCommonTokenData
  85. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  86. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  87. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  88. def [B](y: B): (Scanner, B)

    Implicit information
    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 StringAdd from Scanner to StringAdd[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