scala.tools.nsc.ast.parser.Scanners

SourceFileScanner

class SourceFileScanner extends Scanner

A scanner for a given source file not necessarily attached to a compilation unit. Useful for looking inside source files that aren not currently compiled to see what's there

Source
Scanners.scala
Linear Supertypes
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Inherited
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  1. SourceFileScanner
  2. Scanner
  3. ScannerCommon
  4. TokenData
  5. CommonTokenData
  6. CharArrayReader
  7. AnyRef
  8. Any
Visibility
  1. Public
  2. All

Instance Constructors

  1. new SourceFileScanner(source: SourceFile)

Type Members

  1. class CharArrayLookaheadReader extends CharArrayReader

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. final def ==(arg0: AnyRef): Boolean

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

    Definition Classes
    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.

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

    Definition Classes
    Scanner
  7. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  8. var base: Int

    the base of a number

    the base of a number

    Definition Classes
    TokenData
  9. val buf: Array[Char]

    Definition Classes
    SourceFileScannerCharArrayReader
  10. def buildDocs: Boolean

    Should doc comments be built?

    Should doc comments be built?

    Definition Classes
    Scanner
  11. val cbuf: StringBuilder

    A character buffer for literals

    A character buffer for literals

    Definition Classes
    Scanner
  12. var ch: Char

    the last read character

    the last read character

    Definition Classes
    CharArrayReader
  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

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

    Definition Classes
    Scanner
  14. var charOffset: Int

    The offset one past the last read character

    The offset one past the last read character

    Definition Classes
    CharArrayReader
  15. def charVal: Char

    Convert current strVal to char value

    Convert current strVal to char value

    Definition Classes
    Scanner
  16. def checkNoLetter(): Unit

    Definition Classes
    Scanner
  17. def clone(): AnyRef

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

    Definition Classes
    TokenData
  19. val decodeUni: Boolean

    Definition Classes
    SourceFileScannerCharArrayReader
  20. var docBuffer: StringBuilder

    buffer for the documentation comment

    buffer for the documentation comment

    Definition Classes
    Scanner
  21. var docPos: Position

    Definition Classes
    Scanner
  22. final def eq(arg0: AnyRef): Boolean

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

    Definition Classes
    AnyRef → Any
  24. var errOffset: Offset

    the last error offset

    the last error offset

    Definition Classes
    Scanner
  25. def error(off: Offset, msg: String): Unit

    An error routine to call on bad unicode escapes \\uxxxx.

    An error routine to call on bad unicode escapes \\uxxxx.

    Definition Classes
    SourceFileScannerScannerCommonCharArrayReader
  26. final def fetchToken(): Unit

    read next token, filling TokenData fields of Scanner.

    read next token, filling TokenData fields of Scanner.

    Attributes
    protected
    Definition Classes
    Scanner
  27. def finalize(): Unit

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

    Definition Classes
    Scanner
  29. def floatVal(negated: Boolean): Double

    Convert current strVal, base to double value

    Convert current strVal, base to double value

    Definition Classes
    Scanner
  30. def flush: Scanner

    Definition Classes
    Scanner
  31. def flushDoc: DocComment

    Return current docBuffer and set docBuffer to null

    Return current docBuffer and set docBuffer to null

    Definition Classes
    Scanner
  32. def foundComment(value: String, start: Int, end: Int): Unit

    Attributes
    protected
    Definition Classes
    Scanner
  33. def foundDocComment(value: String, start: Int, end: Int): Unit

    Attributes
    protected
    Definition Classes
    Scanner
  34. final def getClass(): java.lang.Class[_]

    Definition Classes
    AnyRef → Any
  35. 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
    Definition Classes
    Scanner
  36. def getLitChar(): Unit

    read next character in character or string literal:

    read next character in character or string literal:

    Attributes
    protected
    Definition Classes
    Scanner
  37. def getNumber(): Unit

    Read a number into strVal and set base

    Read a number into strVal and set base

    Attributes
    protected
    Definition Classes
    Scanner
  38. def hashCode(): Int

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

    overridden in UnitScanners

    overridden in UnitScanners

    Definition Classes
    Scanner
  40. def inFirstOfStat(token: Int): Boolean

    Can token start a statement?

    Can token start a statement?

    Definition Classes
    Scanner
  41. def inLastOfStat(token: Int): Boolean

    Can token end a statement?

    Can token end a statement?

    Definition Classes
    Scanner
  42. def incompleteInputError(off: Offset, msg: String): Unit

    Definition Classes
    SourceFileScannerScannerCommon
  43. def incompleteInputError(msg: String): Unit

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

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

    Definition Classes
    Scanner
  44. def init(): Unit

    Initialization method: read first char, then first token

    Initialization method: read first char, then first token

    Definition Classes
    Scanner
  45. def intVal: Long

    Definition Classes
    Scanner
  46. def intVal(negated: Boolean): Long

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

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

    Definition Classes
    Scanner
  47. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  48. def isUnicodeEscape: Boolean

    Is last character a unicode escape \\uxxxx?

    Is last character a unicode escape \\uxxxx?

    Definition Classes
    CharArrayReader
  49. 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
  50. 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
  51. var lineStartOffset: Int

    The start offset of the current line

    The start offset of the current line

    Definition Classes
    CharArrayReader
  52. 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
  53. var name: TermName

    the name of an identifier

    the name of an identifier

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

    Definition Classes
    AnyRef
  55. val next: TokenData

    we need one token lookahead and one token history

    we need one token lookahead and one token history

    Definition Classes
    Scanner
  56. 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
  57. 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
  58. def nextToken(): Unit

    Produce next token, filling TokenData fields of Scanner.

    Produce next token, filling TokenData fields of Scanner.

    Definition Classes
    Scanner
  59. final def notify(): Unit

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

    Definition Classes
    AnyRef
  61. 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
  62. def parenBalance(token: Int): Int

    overridden in UnitScanners

    overridden in UnitScanners

    Definition Classes
    Scanner
  63. val prev: TokenData

    Definition Classes
    Scanner
  64. def putChar(c: Char): Unit

    append Unicode character to "cbuf" buffer

    append Unicode character to "cbuf" buffer

    Attributes
    protected
    Definition Classes
    Scanner
  65. def putDocChar(c: Char): Unit

    add the given character to the documentation buffer

    add the given character to the documentation buffer

    Attributes
    protected
    Definition Classes
    Scanner
  66. def resume(lastCode: Int): Unit

    Definition Classes
    Scanner
  67. var sepRegions: List[Int]

    a stack of tokens which indicates whether line-ends can be statement separators

    a stack of tokens which indicates whether line-ends can be statement separators

    Definition Classes
    Scanner
  68. def skipToken(): Offset

    read next token and return last offset

    read next token and return last offset

    Definition Classes
    Scanner
  69. val source: SourceFile

  70. var strVal: String

    the string value of a literal

    the string value of a literal

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

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

    generate an error at the current token offset

    generate an error at the current token offset

    Definition Classes
    Scanner
  73. def syntaxError(off: Offset, msg: String): Unit

    generate an error at the given offset

    generate an error at the given offset

    Definition Classes
    Scanner
  74. def toString(): String

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

    the next token

    the next token

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

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

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

    Definition Classes
    AnyRef
    Annotations
    @throws()
  79. def warning(off: Offset, msg: String): Unit

    Definition Classes
    SourceFileScannerScannerCommon

Inherited from Scanner

Inherited from ScannerCommon

Inherited from TokenData

Inherited from CommonTokenData

Inherited from CharArrayReader

Inherited from AnyRef

Inherited from Any