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 are not currently compiled to see what's there

Source: Scanners.scala

Linear Supertypes

Scanner, Scanners.DocScanner, Scanners.ScannerCommon, ScannerData, TokenData, Scanners.CommonTokenData, CharArrayReader, CharArrayReaderData, AnyRef, Any

Known Subclasses

ParensAnalyzer, UnitScanner, ScaladocUnitScanner

Ordering

Alphabetic
By Inheritance

Inherited

SourceFileScanner
Scanner
DocScanner
ScannerCommon
ScannerData
TokenData
CommonTokenData
CharArrayReader
CharArrayReaderData
AnyRef
Any

Implicitly

by any2stringadd
by StringFormat
by Ensuring
by ArrowAssoc

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Visibility

Public
All

Instance Constructors

new SourceFileScanner(source: SourceFile)

Type Members

class CharArrayLookaheadReader extends CharArrayReader

Definition Classes
CharArrayReader

Value Members

final def !=(arg0: Any): Boolean

Definition Classes
AnyRef → Any
final def ##(): Int

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

Implicit
This member is added by an implicit conversion from SourceFileScanner to any2stringadd[SourceFileScanner] performed by method any2stringadd in scala.Predef.
Definition Classes
any2stringadd
def ->[B](y: B): (SourceFileScanner, B)

Implicit
This member is added by an implicit conversion from SourceFileScanner to ArrowAssoc[SourceFileScanner] performed by method ArrowAssoc in scala.Predef.
Definition Classes
ArrowAssoc
Annotations
@inline()
final def ==(arg0: Any): Boolean

Definition Classes
AnyRef → Any
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
final def asInstanceOf[T0]: T0

Definition Classes
Any
val base: Int
the base of a number
the base of a number

Definition Classes
TokenData
def beginDocComment(prefix: String): Unit

Attributes
protected
Definition Classes
DocScanner
val buf: Array[Char]

Definition Classes
SourceFileScanner → CharArrayReader
val cbuf: collection.mutable.StringBuilder
A character buffer for literals
A character buffer for literals

Definition Classes
Scanner
val ch: Char
the last read character
the last read character

Definition Classes
CharArrayReaderData
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
val charOffset: Int
The offset one past the last read character
The offset one past the last read character

Definition Classes
CharArrayReaderData
def charVal: Char
Convert current strVal to char value
Convert current strVal to char value

Definition Classes
Scanner
def checkNoLetter(): Unit

Definition Classes
Scanner
def clone(): AnyRef

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

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

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

Definition Classes
CharArrayReaderData
val decodeUni: Boolean

Definition Classes
SourceFileScanner → CharArrayReader
def deprecationWarning(off: Scanners.Offset, msg: String, since: String): Unit

Definition Classes
SourceFileScanner → ScannerCommon
def deprecationWarning(msg: String, since: String): Unit

Definition Classes
Scanner
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.
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.

Definition Classes
DocScanner
def doubleVal: Double

Definition Classes
Scanner
def doubleVal(negated: Boolean): Double
Convert current strVal, base to double value.
Convert current strVal, base to double value.

Definition Classes
Scanner
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
Definition Classes
Scanner
def ensuring(cond: (SourceFileScanner) ⇒ Boolean, msg: ⇒ Any): SourceFileScanner

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

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

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

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

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

Definition Classes
AnyRef → Any
def error(off: Scanners.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
SourceFileScanner → ScannerCommon → CharArrayReader
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
def finalize(): Unit

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@throws( classOf[java.lang.Throwable] )
def finishDocComment(): Unit

Attributes
protected
Definition Classes
DocScanner
def floatVal: Float

Definition Classes
Scanner
def floatVal(negated: Boolean): Float
Convert current strVal, base to float value.
Convert current strVal, base to float value.

Definition Classes
Scanner
def flushDoc(): Global.DocComment

Definition Classes
DocScanner
def formatted(fmtstr: String): String

Implicit
This member is added by an implicit conversion from SourceFileScanner to StringFormat[SourceFileScanner] performed by method StringFormat in scala.Predef.
Definition Classes
StringFormat
Annotations
@inline()
final def getClass(): Class[_]

Definition Classes
AnyRef → Any
Annotations
@native()
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
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
Definition Classes
Scanner
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
Definition Classes
Scanner
def hashCode(): Int

Definition Classes
AnyRef → Any
Annotations
@native()
def healBraces(): List[BracePatch]
overridden in UnitScanners
overridden in UnitScanners

Definition Classes
Scanner
def inFirstOfStat(token: Scanners.Token): Boolean
Can token start a statement?
Can token start a statement?

Definition Classes
Scanner
def inLastOfStat(token: Scanners.Token): Boolean
Can token end a statement?
Can token end a statement?

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

Definition Classes
SourceFileScanner → ScannerCommon
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
def init(): Unit
Initialization method: read first char, then first token
Initialization method: read first char, then first token

Definition Classes
Scanner
def intVal: Long

Definition Classes
Scanner
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.

Definition Classes
Scanner
def invalidEscape(): Unit

Attributes
protected
Definition Classes
Scanner
def isAtEnd: Boolean

Definition Classes
Scanner
final def isInstanceOf[T0]: Boolean

Definition Classes
Any
def isUnicodeEscape: Boolean
Is last character a unicode escape \\uxxxx?
Is last character a unicode escape \\uxxxx?

Definition Classes
CharArrayReader
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
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
val lastUnicodeOffset: Int

Attributes
protected
Definition Classes
CharArrayReaderData
val lineStartOffset: Int
The start offset of the current line
The start offset of the current line

Definition Classes
CharArrayReaderData
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
val name: Global.TermName
the name of an identifier
the name of an identifier

Definition Classes
TokenData → CommonTokenData
final def ne(arg0: AnyRef): Boolean

Definition Classes
AnyRef
val next: TokenData
we need one token lookahead and one token history
we need one token lookahead and one token history

Definition Classes
ScannerData
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
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
def nextToken(): Unit
Produce next token, filling TokenData fields of Scanner.
Produce next token, filling TokenData fields of Scanner.

Definition Classes
Scanner
def nextTokenAllow(name: Global.Name): Unit
Get next token, and allow the otherwise deprecated ident name
Get next token, and allow the otherwise deprecated ident name

Definition Classes
Scanner
final def notify(): Unit

Definition Classes
AnyRef
Annotations
@native()
final def notifyAll(): Unit

Definition Classes
AnyRef
Annotations
@native()
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
def parenBalance(token: Scanners.Token): Int
overridden in UnitScanners
overridden in UnitScanners

Definition Classes
Scanner
val prev: TokenData

Definition Classes
ScannerData
def processCommentChar(): Unit

Attributes
protected
Definition Classes
DocScanner
def putChar(c: Char): Unit
append Unicode character to "cbuf" buffer
append Unicode character to "cbuf" buffer

Attributes
protected
Definition Classes
Scanner
final def putCommentChar(): Unit

Attributes
protected
Definition Classes
Scanner
def registerDocComment(raw: String, pos: Global.Position): Unit

Definition Classes
DocScanner
def resume(lastCode: Scanners.Token): Unit

Definition Classes
Scanner
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).

Definition Classes
Scanner
final def skipComment(): Boolean

Definition Classes
Scanner
final def skipNestedComments(): Unit

Definition Classes
Scanner
Annotations
@tailrec()
def skipToken(): Scanners.Offset
read next token and return last offset
read next token and return last offset

Definition Classes
Scanner
val source: SourceFile
val strVal: String
the string value of a literal
the string value of a literal

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

Definition Classes
AnyRef
def syntaxError(msg: String): Unit
generate an error at the current token offset
generate an error at the current token offset

Definition Classes
Scanner
def syntaxError(off: Scanners.Offset, msg: String): Unit
generate an error at the given offset
generate an error at the given offset

Definition Classes
Scanner
def toString(): String

Definition Classes
Scanner → AnyRef → Any
val token: Scanners.Token
the next token
the next token

Definition Classes
TokenData → CommonTokenData
final def wait(): Unit

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

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

Definition Classes
AnyRef
Annotations
@native() @throws( ... )
def →[B](y: B): (SourceFileScanner, B)

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

Inherited from Scanner

Value Members

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
val cbuf: collection.mutable.StringBuilder
A character buffer for literals
A character buffer for literals

Definition Classes
Scanner
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
def charVal: Char
Convert current strVal to char value
Convert current strVal to char value

Definition Classes
Scanner
def checkNoLetter(): Unit

Definition Classes
Scanner
def deprecationWarning(msg: String, since: String): Unit

Definition Classes
Scanner
def doubleVal: Double

Definition Classes
Scanner
def doubleVal(negated: Boolean): Double
Convert current strVal, base to double value.
Convert current strVal, base to double value.

Definition Classes
Scanner
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
Definition Classes
Scanner
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
def floatVal: Float

Definition Classes
Scanner
def floatVal(negated: Boolean): Float
Convert current strVal, base to float value.
Convert current strVal, base to float value.

Definition Classes
Scanner
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
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
Definition Classes
Scanner
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
Definition Classes
Scanner
def healBraces(): List[BracePatch]
overridden in UnitScanners
overridden in UnitScanners

Definition Classes
Scanner
def inFirstOfStat(token: Scanners.Token): Boolean
Can token start a statement?
Can token start a statement?

Definition Classes
Scanner
def inLastOfStat(token: Scanners.Token): Boolean
Can token end a statement?
Can token end a statement?

Definition Classes
Scanner
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
def init(): Unit
Initialization method: read first char, then first token
Initialization method: read first char, then first token

Definition Classes
Scanner
def intVal: Long

Definition Classes
Scanner
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.

Definition Classes
Scanner
def invalidEscape(): Unit

Attributes
protected
Definition Classes
Scanner
def isAtEnd: Boolean

Definition Classes
Scanner
def nextToken(): Unit
Produce next token, filling TokenData fields of Scanner.
Produce next token, filling TokenData fields of Scanner.

Definition Classes
Scanner
def nextTokenAllow(name: Global.Name): Unit
Get next token, and allow the otherwise deprecated ident name
Get next token, and allow the otherwise deprecated ident name

Definition Classes
Scanner
def parenBalance(token: Scanners.Token): Int
overridden in UnitScanners
overridden in UnitScanners

Definition Classes
Scanner
def putChar(c: Char): Unit
append Unicode character to "cbuf" buffer
append Unicode character to "cbuf" buffer

Attributes
protected
Definition Classes
Scanner
final def putCommentChar(): Unit

Attributes
protected
Definition Classes
Scanner
def resume(lastCode: Scanners.Token): Unit

Definition Classes
Scanner
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).

Definition Classes
Scanner
final def skipComment(): Boolean

Definition Classes
Scanner
final def skipNestedComments(): Unit

Definition Classes
Scanner
Annotations
@tailrec()
def skipToken(): Scanners.Offset
read next token and return last offset
read next token and return last offset

Definition Classes
Scanner
def syntaxError(msg: String): Unit
generate an error at the current token offset
generate an error at the current token offset

Definition Classes
Scanner
def syntaxError(off: Scanners.Offset, msg: String): Unit
generate an error at the given offset
generate an error at the given offset

Definition Classes
Scanner
def toString(): String

Definition Classes
Scanner → AnyRef → Any

Inherited from Scanners.DocScanner

Value Members

def beginDocComment(prefix: String): Unit

Attributes
protected
Definition Classes
DocScanner
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.
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.

Definition Classes
DocScanner
def finishDocComment(): Unit

Attributes
protected
Definition Classes
DocScanner
def flushDoc(): Global.DocComment

Definition Classes
DocScanner
def processCommentChar(): Unit

Attributes
protected
Definition Classes
DocScanner
def registerDocComment(raw: String, pos: Global.Position): Unit

Definition Classes
DocScanner

Inherited from ScannerData

Value Members

def copyFrom(sd: ScannerData): SourceFileScanner.this.type

Definition Classes
ScannerData
val next: TokenData
we need one token lookahead and one token history
we need one token lookahead and one token history

Definition Classes
ScannerData
val prev: TokenData

Definition Classes
ScannerData

Inherited from TokenData

Value Members

val base: Int
the base of a number
the base of a number

Definition Classes
TokenData
def copyFrom(td: TokenData): SourceFileScanner.this.type

Definition Classes
TokenData
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
val name: Global.TermName
the name of an identifier
the name of an identifier

Definition Classes
TokenData → CommonTokenData
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
val strVal: String
the string value of a literal
the string value of a literal

Definition Classes
TokenData
val token: Scanners.Token
the next token
the next token

Definition Classes
TokenData → CommonTokenData

Inherited from CharArrayReader

Value Members

def isUnicodeEscape: Boolean
Is last character a unicode escape \\uxxxx?
Is last character a unicode escape \\uxxxx?

Definition Classes
CharArrayReader
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
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
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

Inherited from CharArrayReaderData

Value Members

val ch: Char
the last read character
the last read character

Definition Classes
CharArrayReaderData
val charOffset: Int
The offset one past the last read character
The offset one past the last read character

Definition Classes
CharArrayReaderData
def copyFrom(cd: CharArrayReaderData): SourceFileScanner.this.type

Definition Classes
CharArrayReaderData
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
val lastUnicodeOffset: Int

Attributes
protected
Definition Classes
CharArrayReaderData
val lineStartOffset: Int
The start offset of the current line
The start offset of the current line

Definition Classes
CharArrayReaderData

Inherited from AnyRef

Value Members

final def !=(arg0: Any): Boolean

Definition Classes
AnyRef → Any
final def ##(): Int

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

Definition Classes
AnyRef → Any
def clone(): AnyRef

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@native() @throws( ... )
final def eq(arg0: AnyRef): Boolean

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

Definition Classes
AnyRef → Any
def finalize(): Unit

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@throws( classOf[java.lang.Throwable] )
final def getClass(): Class[_]

Definition Classes
AnyRef → Any
Annotations
@native()
def hashCode(): Int

Definition Classes
AnyRef → Any
Annotations
@native()
final def ne(arg0: AnyRef): Boolean

Definition Classes
AnyRef
final def notify(): Unit

Definition Classes
AnyRef
Annotations
@native()
final def notifyAll(): Unit

Definition Classes
AnyRef
Annotations
@native()
final def synchronized[T0](arg0: ⇒ T0): T0

Definition Classes
AnyRef
final def wait(): Unit

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

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

Definition Classes
AnyRef
Annotations
@native() @throws( ... )

Inherited from Any

Value Members

final def asInstanceOf[T0]: T0

Definition Classes
Any
final def isInstanceOf[T0]: Boolean

Definition Classes
Any

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

Value Members

def +(other: String): String

Implicit
This member is added by an implicit conversion from SourceFileScanner to any2stringadd[SourceFileScanner] performed by method any2stringadd in scala.Predef.
Definition Classes
any2stringadd

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

Value Members

def formatted(fmtstr: String): String

Implicit
This member is added by an implicit conversion from SourceFileScanner to StringFormat[SourceFileScanner] performed by method StringFormat in scala.Predef.
Definition Classes
StringFormat
Annotations
@inline()

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

Value Members

def ensuring(cond: (SourceFileScanner) ⇒ Boolean, msg: ⇒ Any): SourceFileScanner

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

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

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

Implicit
This member is added by an implicit conversion from SourceFileScanner to Ensuring[SourceFileScanner] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring

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

Value Members

def ->[B](y: B): (SourceFileScanner, B)

Implicit
This member is added by an implicit conversion from SourceFileScanner to ArrowAssoc[SourceFileScanner] performed by method ArrowAssoc in scala.Predef.
Definition Classes
ArrowAssoc
Annotations
@inline()
def →[B](y: B): (SourceFileScanner, B)

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

Ungrouped

class CharArrayLookaheadReader extends CharArrayReader

Definition Classes
CharArrayReader

final def !=(arg0: Any): Boolean

Definition Classes
AnyRef → Any
final def ##(): Int

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

Implicit
This member is added by an implicit conversion from SourceFileScanner to any2stringadd[SourceFileScanner] performed by method any2stringadd in scala.Predef.
Definition Classes
any2stringadd
def ->[B](y: B): (SourceFileScanner, B)

Implicit
This member is added by an implicit conversion from SourceFileScanner to ArrowAssoc[SourceFileScanner] performed by method ArrowAssoc in scala.Predef.
Definition Classes
ArrowAssoc
Annotations
@inline()
final def ==(arg0: Any): Boolean

Definition Classes
AnyRef → Any
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
final def asInstanceOf[T0]: T0

Definition Classes
Any
val base: Int
the base of a number
the base of a number

Definition Classes
TokenData
def beginDocComment(prefix: String): Unit

Attributes
protected
Definition Classes
DocScanner
val buf: Array[Char]

Definition Classes
SourceFileScanner → CharArrayReader
val cbuf: collection.mutable.StringBuilder
A character buffer for literals
A character buffer for literals

Definition Classes
Scanner
val ch: Char
the last read character
the last read character

Definition Classes
CharArrayReaderData
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
val charOffset: Int
The offset one past the last read character
The offset one past the last read character

Definition Classes
CharArrayReaderData
def charVal: Char
Convert current strVal to char value
Convert current strVal to char value

Definition Classes
Scanner
def checkNoLetter(): Unit

Definition Classes
Scanner
def clone(): AnyRef

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

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

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

Definition Classes
CharArrayReaderData
val decodeUni: Boolean

Definition Classes
SourceFileScanner → CharArrayReader
def deprecationWarning(off: Scanners.Offset, msg: String, since: String): Unit

Definition Classes
SourceFileScanner → ScannerCommon
def deprecationWarning(msg: String, since: String): Unit

Definition Classes
Scanner
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.
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.

Definition Classes
DocScanner
def doubleVal: Double

Definition Classes
Scanner
def doubleVal(negated: Boolean): Double
Convert current strVal, base to double value.
Convert current strVal, base to double value.

Definition Classes
Scanner
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
Definition Classes
Scanner
def ensuring(cond: (SourceFileScanner) ⇒ Boolean, msg: ⇒ Any): SourceFileScanner

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

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

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

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

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

Definition Classes
AnyRef → Any
def error(off: Scanners.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
SourceFileScanner → ScannerCommon → CharArrayReader
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
def finalize(): Unit

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@throws( classOf[java.lang.Throwable] )
def finishDocComment(): Unit

Attributes
protected
Definition Classes
DocScanner
def floatVal: Float

Definition Classes
Scanner
def floatVal(negated: Boolean): Float
Convert current strVal, base to float value.
Convert current strVal, base to float value.

Definition Classes
Scanner
def flushDoc(): Global.DocComment

Definition Classes
DocScanner
def formatted(fmtstr: String): String

Implicit
This member is added by an implicit conversion from SourceFileScanner to StringFormat[SourceFileScanner] performed by method StringFormat in scala.Predef.
Definition Classes
StringFormat
Annotations
@inline()
final def getClass(): Class[_]

Definition Classes
AnyRef → Any
Annotations
@native()
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
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
Definition Classes
Scanner
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
Definition Classes
Scanner
def hashCode(): Int

Definition Classes
AnyRef → Any
Annotations
@native()
def healBraces(): List[BracePatch]
overridden in UnitScanners
overridden in UnitScanners

Definition Classes
Scanner
def inFirstOfStat(token: Scanners.Token): Boolean
Can token start a statement?
Can token start a statement?

Definition Classes
Scanner
def inLastOfStat(token: Scanners.Token): Boolean
Can token end a statement?
Can token end a statement?

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

Definition Classes
SourceFileScanner → ScannerCommon
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
def init(): Unit
Initialization method: read first char, then first token
Initialization method: read first char, then first token

Definition Classes
Scanner
def intVal: Long

Definition Classes
Scanner
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.

Definition Classes
Scanner
def invalidEscape(): Unit

Attributes
protected
Definition Classes
Scanner
def isAtEnd: Boolean

Definition Classes
Scanner
final def isInstanceOf[T0]: Boolean

Definition Classes
Any
def isUnicodeEscape: Boolean
Is last character a unicode escape \\uxxxx?
Is last character a unicode escape \\uxxxx?

Definition Classes
CharArrayReader
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
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
val lastUnicodeOffset: Int

Attributes
protected
Definition Classes
CharArrayReaderData
val lineStartOffset: Int
The start offset of the current line
The start offset of the current line

Definition Classes
CharArrayReaderData
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
val name: Global.TermName
the name of an identifier
the name of an identifier

Definition Classes
TokenData → CommonTokenData
final def ne(arg0: AnyRef): Boolean

Definition Classes
AnyRef
val next: TokenData
we need one token lookahead and one token history
we need one token lookahead and one token history

Definition Classes
ScannerData
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
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
def nextToken(): Unit
Produce next token, filling TokenData fields of Scanner.
Produce next token, filling TokenData fields of Scanner.

Definition Classes
Scanner
def nextTokenAllow(name: Global.Name): Unit
Get next token, and allow the otherwise deprecated ident name
Get next token, and allow the otherwise deprecated ident name

Definition Classes
Scanner
final def notify(): Unit

Definition Classes
AnyRef
Annotations
@native()
final def notifyAll(): Unit

Definition Classes
AnyRef
Annotations
@native()
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
def parenBalance(token: Scanners.Token): Int
overridden in UnitScanners
overridden in UnitScanners

Definition Classes
Scanner
val prev: TokenData

Definition Classes
ScannerData
def processCommentChar(): Unit

Attributes
protected
Definition Classes
DocScanner
def putChar(c: Char): Unit
append Unicode character to "cbuf" buffer
append Unicode character to "cbuf" buffer

Attributes
protected
Definition Classes
Scanner
final def putCommentChar(): Unit

Attributes
protected
Definition Classes
Scanner
def registerDocComment(raw: String, pos: Global.Position): Unit

Definition Classes
DocScanner
def resume(lastCode: Scanners.Token): Unit

Definition Classes
Scanner
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).

Definition Classes
Scanner
final def skipComment(): Boolean

Definition Classes
Scanner
final def skipNestedComments(): Unit

Definition Classes
Scanner
Annotations
@tailrec()
def skipToken(): Scanners.Offset
read next token and return last offset
read next token and return last offset

Definition Classes
Scanner
val source: SourceFile
val strVal: String
the string value of a literal
the string value of a literal

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

Definition Classes
AnyRef
def syntaxError(msg: String): Unit
generate an error at the current token offset
generate an error at the current token offset

Definition Classes
Scanner
def syntaxError(off: Scanners.Offset, msg: String): Unit
generate an error at the given offset
generate an error at the given offset

Definition Classes
Scanner
def toString(): String

Definition Classes
Scanner → AnyRef → Any
val token: Scanners.Token
the next token
the next token

Definition Classes
TokenData → CommonTokenData
final def wait(): Unit

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

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

Definition Classes
AnyRef
Annotations
@native() @throws( ... )
def →[B](y: B): (SourceFileScanner, B)

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

Packages

SourceFileScanner 

class SourceFileScanner extends Scanner

Instance Constructors

Type Members

Value Members

Inherited from Scanner

Value Members

Inherited from Scanners.DocScanner

Value Members

Inherited from ScannerData

Value Members

Inherited from TokenData

Value Members

Inherited from CharArrayReader

Value Members

Inherited from CharArrayReaderData

Value Members

Inherited from AnyRef

Value Members

Inherited from Any

Value Members

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

Value Members

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

Value Members

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

Value Members

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

Value Members

Ungrouped

SourceFileScanner