scala.tools.nsc.ast.parser.Scanners

Scanner

abstract class Scanner extends CharArrayReader with TokenData with ScannerCommon

Source
Scanners.scala
Linear Supertypes
Scanners.ScannerCommon, TokenData, Scanners.CommonTokenData, CharArrayReader, AnyRef, Any
Known Subclasses
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Inherited
  1. Scanner
  2. ScannerCommon
  3. TokenData
  4. CommonTokenData
  5. CharArrayReader
  6. AnyRef
  7. Any
Implicitly
  1. by any2stringadd
  2. by any2stringfmt
  3. by any2ArrowAssoc
  4. by any2Ensuring
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Visibility
  1. Public
  2. All

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: Int, msg: String): Unit

    Definition Classes
    ScannerCommon
  3. abstract def error(off: Int, msg: String): Unit

    Definition Classes
    ScannerCommon
  4. abstract def incompleteInputError(off: Int, msg: String): Unit

    Definition Classes
    ScannerCommon
  5. abstract def warning(off: Int, 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 performed by method any2stringadd 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 any2ArrowAssoc 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. def buildDocs: Boolean

    Should doc comments be built?

  12. val cbuf: collection.mutable.StringBuilder

    A character buffer for literals

  13. var ch: Char

    the last read character

    the last read character

    Definition Classes
    CharArrayReader
  14. 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

  15. var charOffset: Int

    The offset one past the last read character

    The offset one past the last read character

    Definition Classes
    CharArrayReader
  16. def charVal: Char

    Convert current strVal to char value

  17. def checkNoLetter(): Unit

  18. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws()
  19. def copyFrom(td: TokenData): Unit

    Definition Classes
    TokenData
  20. def decodeUni: Boolean

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

  22. var docBuffer: StringBuilder

    buffer for the documentation comment

  23. var docPos: Global.Position

  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 any2Ensuring 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 any2Ensuring 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 any2Ensuring 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 any2Ensuring 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. var errOffset: Offset

    the last error offset

  32. final def fetchToken(): Unit

    read next token, filling TokenData fields of Scanner.

    read next token, filling TokenData fields of Scanner.

    Attributes
    protected
  33. def finalize(): Unit

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

  35. def floatVal(negated: Boolean): Double

    Convert current strVal, base to double value

  36. def flush: Scanner

  37. def flushDoc: Global.DocComment

    Return current docBuffer and set docBuffer to null

  38. def formatted(fmtstr: String): String

    Implicit information
    This member is added by an implicit conversion from Scanner to StringFormat performed by method any2stringfmt in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()
  39. def foundComment(value: String, start: Int, end: Int): Unit

    Attributes
    protected
  40. def foundDocComment(value: String, start: Int, end: Int): Unit

    Attributes
    protected
  41. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any
  42. 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
  43. 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
  44. def getNumber(): Unit

    Read a number into strVal and set base

    Read a number into strVal and set base

    Attributes
    protected
  45. def hashCode(): Int

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

    overridden in UnitScanners

  47. def inFirstOfStat(token: Int): Boolean

    Can token start a statement?

  48. def inLastOfStat(token: Int): Boolean

    Can token end a statement?

  49. def incompleteInputError(msg: String): Unit

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

  50. def init(): Unit

    Initialization method: read first char, then first token

  51. def intVal: Long

  52. def intVal(negated: Boolean): Long

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

  53. def invalidEscape(): Unit

    Attributes
    protected
  54. def isAtEnd: Boolean

  55. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  56. def isUnicodeEscape: Boolean

    Is last character a unicode escape \\uxxxx?

    Is last character a unicode escape \\uxxxx?

    Definition Classes
    CharArrayReader
  57. 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
    CharArrayReader
  58. var lastOffset: 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
  59. var lineStartOffset: Int

    The start offset of the current line

    The start offset of the current line

    Definition Classes
    CharArrayReader
  60. 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
  61. var name: Global.TermName

    the name of an identifier

    the name of an identifier

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

    Definition Classes
    AnyRef
  63. val next: TokenData

    we need one token lookahead and one token history

  64. 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
  65. 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
  66. def nextToken(): Unit

    Produce next token, filling TokenData fields of Scanner.

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

    Get next token, and allow the otherwise deprecated ident name

  68. final def notify(): Unit

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

    Definition Classes
    AnyRef
  70. var offset: Offset

    the offset of the first character of the current token

    the offset of the first character of the current token

    Definition Classes
    TokenData
  71. def parenBalance(token: Int): Int

    overridden in UnitScanners

  72. val prev: TokenData

  73. def putChar(c: Char): Unit

    append Unicode character to "cbuf" buffer

    append Unicode character to "cbuf" buffer

    Attributes
    protected
  74. def putDocChar(c: Char): Unit

    add the given character to the documentation buffer

    add the given character to the documentation buffer

    Attributes
    protected
  75. def resume(lastCode: Int): Unit

  76. var sepRegions: List[Int]

    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).

  77. def skipToken(): Offset

    read next token and return last offset

  78. var strVal: String

    the string value of a literal

    the string value of a literal

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

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

    generate an error at the current token offset

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

    generate an error at the given offset

  82. def toString(): String

    Definition Classes
    Scanner → AnyRef → Any
  83. var token: Int

    the next token

    the next token

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

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

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

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

    Implicit information
    This member is added by an implicit conversion from Scanner to ArrowAssoc[Scanner] performed by method any2ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Shadowed Implict Value Members

  1. val self: Any

    Implicit information
    This member is added by an implicit conversion from Scanner to StringAdd performed by method any2stringadd in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (scanner: StringAdd).self
    Definition Classes
    StringAdd
  2. val self: Any

    Implicit information
    This member is added by an implicit conversion from Scanner to StringFormat performed by method any2stringfmt in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (scanner: StringFormat).self
    Definition Classes
    StringFormat

Deprecated Value Members

  1. def x: Scanner

    Implicit information
    This member is added by an implicit conversion from Scanner to ArrowAssoc[Scanner] performed by method any2ArrowAssoc in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (scanner: ArrowAssoc[Scanner]).x
    Definition Classes
    ArrowAssoc
    Annotations
    @deprecated
    Deprecated

    (Since version 2.10.0) Use leftOfArrow instead

  2. def x: Scanner

    Implicit information
    This member is added by an implicit conversion from Scanner to Ensuring[Scanner] performed by method any2Ensuring in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (scanner: Ensuring[Scanner]).x
    Definition Classes
    Ensuring
    Annotations
    @deprecated
    Deprecated

    (Since version 2.10.0) Use resultOfEnsuring instead

Inherited from Scanners.ScannerCommon

Inherited from TokenData

Inherited from Scanners.CommonTokenData

Inherited from CharArrayReader

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion any2stringadd from Scanner to StringAdd

Inherited by implicit conversion any2stringfmt from Scanner to StringFormat

Inherited by implicit conversion any2ArrowAssoc from Scanner to ArrowAssoc[Scanner]

Inherited by implicit conversion any2Ensuring from Scanner to Ensuring[Scanner]

Ungrouped