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DefinitelyTyped
Inherited
Private
Externals
Only exported
TypeScript
Scanner
Class Scanner
Index
Constructor methods
constructor
Properties
_languageVersion
fileName
slidingWindow
text
triviaWindow
Methods
absoluteIndex
advanceAndSetTokenKind
createIllegalEscapeDiagnostic
createToken
currentCharCode
fetchMoreItems
getErrorMessageText
isDotPrefixedNumericLiteral
isHexNumericLiteral
isIdentifierPart
isIdentifierStart
isNewLineCharacter
isOctalNumericLiteral
isUnicodeEscape
isValidIdentifier
languageVersion
peekCharOrUnicodeEscape
peekUnicodeOrHexEscape
scan
scanAmpersandToken
scanAsteriskToken
scanBarToken
scanCaretToken
scanCharOrUnicodeEscape
scanDecimalDigits
scanDecimalNumericLiteral
scanDefaultCharacter
scanDotToken
scanEqualsToken
scanExclamationToken
scanHexNumericLiteral
scanLessThanToken
scanLineTerminatorSequenceLength
scanLineTerminatorSequenceTrivia
scanMinusToken
scanMultiLineCommentTrivia
scanMultiLineCommentTriviaLength
scanNumericLiteral
scanOctalNumericLiteral
scanPercentToken
scanPlusToken
scanSingleLineCommentTrivia
scanSingleLineCommentTriviaLength
scanSlashToken
scanStringLiteral
scanSyntaxToken
scanTrivia
scanTrivia
scanTriviaInfo
scanUnicodeOrHexEscape
scanWhitespaceTrivia
setAbsoluteIndex
skipEscapeSequence
slowScanIdentifierOrKeyword
substring
tryFastScanIdentifierOrKeyword
tryScanRegularExpressionToken
Constructor methods
constructor
(
fileName
:
string
, text
:
ISimpleText
, languageVersion
:
LanguageVersion
, window
?:
Array<number>
)
:
Scanner
Parameters
fileName:
string
text:
ISimpleText
languageVersion:
LanguageVersion
window?:
Array<number>
optional
Returns
Scanner
Properties
private
_languageVersion
:
any
private
fileName
:
any
private
slidingWindow
:
any
private
text
:
any
private
static
triviaWindow
:
any
Methods
public
absoluteIndex
(
)
:
number
Returns
number
private
advanceAndSetTokenKind
(
kind
:
any
)
:
any
Parameters
kind:
any
Returns
any
private
createIllegalEscapeDiagnostic
(
start
:
any
, end
:
any
)
:
any
Parameters
start:
any
end:
any
Returns
any
private
createToken
(
fullStart
:
any
, leadingTriviaInfo
:
any
, start
:
any
, kind
:
any
, end
:
any
, fullEnd
:
any
, trailingTriviaInfo
:
any
, isVariableWidthKeyword
:
any
)
:
any
Parameters
fullStart:
any
leadingTriviaInfo:
any
start:
any
kind:
any
end:
any
fullEnd:
any
trailingTriviaInfo:
any
isVariableWidthKeyword:
any
Returns
any
private
currentCharCode
(
)
:
any
Returns
any
public
fetchMoreItems
(
argument
:
any
, sourceIndex
:
number
, window
:
Array<number>
, destinationIndex
:
number
, spaceAvailable
:
number
)
:
number
Parameters
argument:
any
sourceIndex:
number
window:
Array<number>
destinationIndex:
number
spaceAvailable:
number
Returns
number
private
getErrorMessageText
(
text
:
any
)
:
any
Parameters
text:
any
Returns
any
private
isDotPrefixedNumericLiteral
(
)
:
any
Returns
any
private
isHexNumericLiteral
(
)
:
any
Returns
any
private
isIdentifierPart
(
interpretedChar
:
any
)
:
any
Parameters
interpretedChar:
any
Returns
any
private
isIdentifierStart
(
interpretedChar
:
any
)
:
any
Parameters
interpretedChar:
any
Returns
any
private
isNewLineCharacter
(
ch
:
any
)
:
any
Parameters
ch:
any
Returns
any
private
isOctalNumericLiteral
(
)
:
any
Returns
any
private
isUnicodeEscape
(
character
:
any
)
:
any
Parameters
character:
any
Returns
any
public
static
isValidIdentifier
(
text
:
ISimpleText
, languageVersion
:
LanguageVersion
)
:
boolean
Parameters
text:
ISimpleText
languageVersion:
LanguageVersion
Returns
boolean
public
languageVersion
(
)
:
LanguageVersion
Returns
LanguageVersion
private
peekCharOrUnicodeEscape
(
)
:
any
Returns
any
private
peekUnicodeOrHexEscape
(
)
:
any
Returns
any
public
scan
(
diagnostics
:
Diagnostic
[]
, allowRegularExpression
:
boolean
)
:
ISyntaxToken
Parameters
diagnostics:
Diagnostic
[]
allowRegularExpression:
boolean
Returns
ISyntaxToken
private
scanAmpersandToken
(
)
:
any
Returns
any
private
scanAsteriskToken
(
)
:
any
Returns
any
private
scanBarToken
(
)
:
any
Returns
any
private
scanCaretToken
(
)
:
any
Returns
any
private
scanCharOrUnicodeEscape
(
errors
:
any
)
:
any
Parameters
errors:
any
Returns
any
private
scanDecimalDigits
(
)
:
any
Returns
any
private
scanDecimalNumericLiteral
(
)
:
any
Returns
any
private
scanDefaultCharacter
(
character
:
any
, diagnostics
:
any
)
:
any
Parameters
character:
any
diagnostics:
any
Returns
any
private
scanDotToken
(
diagnostics
:
any
)
:
any
Parameters
diagnostics:
any
Returns
any
private
scanEqualsToken
(
)
:
any
Returns
any
private
scanExclamationToken
(
)
:
any
Returns
any
private
scanHexNumericLiteral
(
)
:
any
Returns
any
private
scanLessThanToken
(
)
:
any
Returns
any
private
scanLineTerminatorSequenceLength
(
ch
:
any
)
:
any
Parameters
ch:
any
Returns
any
private
scanLineTerminatorSequenceTrivia
(
ch
:
any
)
:
any
Parameters
ch:
any
Returns
any
private
scanMinusToken
(
)
:
any
Returns
any
private
scanMultiLineCommentTrivia
(
underlyingText
:
any
, underlyingTextStart
:
any
)
:
any
Parameters
underlyingText:
any
underlyingTextStart:
any
Returns
any
private
scanMultiLineCommentTriviaLength
(
diagnostics
:
any
)
:
any
Parameters
diagnostics:
any
Returns
any
private
scanNumericLiteral
(
diagnostics
:
any
)
:
any
Parameters
diagnostics:
any
Returns
any
private
scanOctalNumericLiteral
(
diagnostics
:
any
)
:
any
Parameters
diagnostics:
any
Returns
any
private
scanPercentToken
(
)
:
any
Returns
any
private
scanPlusToken
(
)
:
any
Returns
any
private
scanSingleLineCommentTrivia
(
underlyingText
:
any
, underlyingTextStart
:
any
)
:
any
Parameters
underlyingText:
any
underlyingTextStart:
any
Returns
any
private
scanSingleLineCommentTriviaLength
(
)
:
any
Returns
any
private
scanSlashToken
(
allowRegularExpression
:
any
)
:
any
Parameters
allowRegularExpression:
any
Returns
any
private
scanStringLiteral
(
diagnostics
:
any
)
:
any
Parameters
diagnostics:
any
Returns
any
private
scanSyntaxToken
(
diagnostics
:
any
, allowRegularExpression
:
any
)
:
any
Parameters
diagnostics:
any
allowRegularExpression:
any
Returns
any
public
static
scanTrivia
(
text
:
ISimpleText
, start
:
number
, length
:
number
, isTrailing
:
boolean
)
:
ISyntaxTriviaList
Parameters
text:
ISimpleText
start:
number
length:
number
isTrailing:
boolean
Returns
ISyntaxTriviaList
private
scanTrivia
(
underlyingText
:
any
, underlyingTextStart
:
any
, isTrailing
:
any
)
:
any
Parameters
underlyingText:
any
underlyingTextStart:
any
isTrailing:
any
Returns
any
private
scanTriviaInfo
(
diagnostics
:
any
, isTrailing
:
any
)
:
any
Parameters
diagnostics:
any
isTrailing:
any
Returns
any
private
scanUnicodeOrHexEscape
(
errors
:
any
)
:
any
Parameters
errors:
any
Returns
any
private
scanWhitespaceTrivia
(
underlyingText
:
any
, underlyingTextStart
:
any
)
:
any
Parameters
underlyingText:
any
underlyingTextStart:
any
Returns
any
public
setAbsoluteIndex
(
index
:
number
)
Parameters
index:
number
private
skipEscapeSequence
(
diagnostics
:
any
)
:
any
Parameters
diagnostics:
any
Returns
any
private
slowScanIdentifierOrKeyword
(
diagnostics
:
any
)
:
any
Parameters
diagnostics:
any
Returns
any
public
substring
(
start
:
number
, end
:
number
, intern
:
boolean
)
:
string
Parameters
start:
number
end:
number
intern:
boolean
Returns
string
private
tryFastScanIdentifierOrKeyword
(
firstCharacter
:
any
)
:
any
Parameters
firstCharacter:
any
Returns
any
private
tryScanRegularExpressionToken
(
)
:
any
Returns
any
Globals
TypeScript
TypeScript.ASTHelpers
TypeScript.BitMatrix
TypeScript.BitVector
TypeScript.Collections
TypeScript.CompilerDiagnostics
TypeScript.DeclarationCreator
TypeScript.Indentation
TypeScript.IntegerUtilities
TypeScript.LineMap1
TypeScript.Parser
TypeScript.PullHelpers
TypeScript.PullInstantiationHelpers
TypeScript.ScriptSnapshot
TypeScript.Services
TypeScript.Services.Breakpoints
TypeScript.Services.Formatting
TypeScript.Services.Formatting.Shared
TypeScript.SimpleText
TypeScript.Syntax
TypeScript.SyntaxFacts
TypeScript.TextFactory
TypeScript.TextUtilities
typescript-services
DiagnosticCode
Environment
LocalizedDiagnosticMessages
astTranslationTime
compilerDirectoryExistsTime
compilerDirectoryNameTime
compilerFileExistsTime
compilerResolvePathTime
declCacheHit
declCacheMiss
declarationEmitFunctionDeclarationGetSymbolTime
declarationEmitGetAccessorFunctionTime
declarationEmitGetBaseTypeTime
declarationEmitGetBoundDeclTypeTime
declarationEmitGetImportDeclarationSymbolTime
declarationEmitGetTypeParameterSymbolTime
declarationEmitIsExternallyVisibleTime
declarationEmitIsOverloadedCallSignatureTime
declarationEmitTime
declarationEmitTypeSignatureTime
diagnosticInformationMap
emitTime
emitWriteFileTime
fileResolutionGetDefaultLibraryTime
fileResolutionIOTime
fileResolutionImportFileSearchTime
fileResolutionScanImportsTime
fileResolutionTime
ioHostCreateDirectoryStructureTime
ioHostDirectoryNameTime
ioHostResolvePathTime
ioHostWriteFileTime
nSpecializationsCreated
nSpecializedSignaturesCreated
nSpecializedTypeParameterCreated
nodeCreateBufferTime
nodeMakeDirectoryTime
nodeWriteFileSyncTime
pullSymbolID
sentinelEmptyArray
sourceCharactersCompiled
symbolCacheHit
symbolCacheMiss
syntaxDiagnosticsTime
syntaxTreeParseTime
tripleSlashReferenceRegExp
typeCheckTime
AssertionLevel
ByteOrderMark
CharacterCodes
Constants
DiagnosticCategory
EmitContainer
EmitOutputResult
GenerativeTypeClassification
GetAllMembersVisiblity
LanguageVersion
ModuleGenTarget
OutputFileType
PullElementFlags
PullElementKind
SyntaxConstants
SyntaxKind
TypeRelationshipFlags
DiagnosticInfo
IASTSpan
IArrowFunctionExpressionSyntax
IAstWalker
IBitMatrix
IBitVector
ICallExpression
IClassElementSyntax
IEnvironment
IExpressionSyntax
IFileReference
IHashTable
IIndexable
IIterationStatementSyntax
ILineAndCharacter
ILogger
IMemberDeclarationSyntax
IMemberExpressionSyntax
IModuleElementSyntax
IModuleReferenceSyntax
INameSyntax
IParameters
IPostfixExpressionSyntax
IPreProcessedFileInfo
IPrimaryExpressionSyntax
IPropertyAssignmentSyntax
IPullTypeCollection
IReferenceResolverHost
IResolvedFile
IScriptSnapshot
ISeparatedSyntaxList
ISimpleText
ISlidingWindowSource
IStatementSyntax
ISwitchClauseSyntax
ISyntaxElement
ISyntaxList
ISyntaxNode
ISyntaxNodeOrToken
ISyntaxToken
ISyntaxTrivia
ISyntaxTriviaList
ISyntaxVisitor
IText
ITextLine
ITokenInfo
ITokenInformation
ITypeMemberSyntax
ITypeSyntax
IUnaryExpressionSyntax
IndexSignatureInfo
InstantiableSymbol
Iterator
PullCallSymbolInfo
PullSymbolInfo
PullVisibleSymbolsInfo
TypeArgumentMap
AST
ASTSpan
ArgumentList
ArgumentListSyntax
ArrayLiteralExpression
ArrayLiteralExpressionSyntax
ArrayType
ArrayTypeSyntax
ArrayUtilities
AstWalkOptions
AstWalkerFactory
Base64VLQFormat
BinaryExpression
BinaryExpressionSyntax
Block
BlockSyntax
BloomFilter
BreakStatement
BreakStatementSyntax
BuiltInType
CallSignature
CallSignatureSyntax
CandidateInferenceInfo
CaseSwitchClause
CaseSwitchClauseSyntax
CastExpression
CastExpressionSyntax
CatchClause
CatchClauseSyntax
CharacterInfo
ClassDeclaration
ClassDeclarationSyntax
Comment
CompilationSettings
CompileResult
ConditionalExpression
ConditionalExpressionSyntax
Constraint
ConstraintSyntax
ConstructSignature
ConstructSignatureSyntax
ConstructorDeclaration
ConstructorDeclarationSyntax
ConstructorType
ConstructorTypeSyntax
ContextualSignatureInstantiationTypeArgumentInferenceContext
ContinueStatement
ContinueStatementSyntax
Debug
DebuggerStatement
DebuggerStatementSyntax
DeclarationEmitter
DefaultSwitchClause
DefaultSwitchClauseSyntax
DeleteExpression
DeleteExpressionSyntax
DepthLimitedWalker
Diagnostic
DoStatement
DoStatementSyntax
Document
ElementAccessExpression
ElementAccessExpressionSyntax
ElseClause
ElseClauseSyntax
EmitOptions
EmitOutput
EmitState
Emitter
EmptyStatement
EmptyStatementSyntax
EnclosingTypeWalkerState
EnumDeclaration
EnumDeclarationSyntax
EnumElement
EnumElementSyntax
EqualsValueClause
EqualsValueClauseSyntax
Errors
ExportAssignment
ExportAssignmentSyntax
ExpressionStatement
ExpressionStatementSyntax
ExternalModuleReference
ExternalModuleReferenceSyntax
FileInformation
FinallyClause
FinallyClauseSyntax
ForInStatement
ForInStatementSyntax
ForStatement
ForStatementSyntax
FunctionDeclaration
FunctionDeclarationSyntax
FunctionExpression
FunctionExpressionSyntax
FunctionPropertyAssignment
FunctionPropertyAssignmentSyntax
FunctionType
FunctionTypeSyntax
GenericType
GenericTypeSyntax
GetAccessor
GetAccessorSyntax
Hash
HeritageClause
HeritageClauseSyntax
IASTToken
ISeparatedSyntaxList2
ISyntaxList2
IdentiferNameHashTable
Identifier
IdentifierWalker
IfStatement
IfStatementSyntax
ImmutableCompilationSettings
ImportDeclaration
ImportDeclarationSyntax
Indenter
IndexMemberDeclaration
IndexMemberDeclarationSyntax
IndexSignature
IndexSignatureSyntax
InterfaceDeclaration
InterfaceDeclarationSyntax
InvocationExpression
InvocationExpressionSyntax
InvocationTypeArgumentInferenceContext
LabeledStatement
LabeledStatementSyntax
LineAndCharacter
LineMap
LiteralExpression
Location
MathPrototype
MemberAccessExpression
MemberAccessExpressionSyntax
MemberFunctionDeclaration
MemberFunctionDeclarationSyntax
MemberName
MemberNameArray
MemberNameString
MemberVariableDeclaration
MemberVariableDeclarationSyntax
MethodSignature
MethodSignatureSyntax
ModuleDeclaration
ModuleDeclarationSyntax
ModuleNameModuleReference
ModuleNameModuleReferenceSyntax
NormalPullDecl
NullLogger
NumericLiteral
ObjectCreationExpression
ObjectCreationExpressionSyntax
ObjectLiteralExpression
ObjectLiteralExpressionSyntax
ObjectType
ObjectTypeSyntax
OmittedExpression
OmittedExpressionSyntax
OutputFile
Parameter
ParameterList
ParameterListSyntax
ParameterSyntax
ParenthesizedArrowFunctionExpression
ParenthesizedArrowFunctionExpressionSyntax
ParenthesizedExpression
ParenthesizedExpressionSyntax
ParseOptions
PositionTrackingWalker
PositionedElement
PositionedList
PositionedNode
PositionedNodeOrToken
PositionedSeparatedList
PositionedSkippedToken
PositionedToken
PostfixUnaryExpression
PostfixUnaryExpressionSyntax
PrefixUnaryExpression
PrefixUnaryExpressionSyntax
PropertySignature
PropertySignatureSyntax
PullAccessorSymbol
PullAdditionalCallResolutionData
PullAdditionalObjectLiteralResolutionData
PullContainerSymbol
PullContextualTypeContext
PullDecl
PullDeclGroup
PullEnumElementDecl
PullErrorTypeSymbol
PullFunctionExpressionDecl
PullInstantiatedSignatureSymbol
PullInstantiatedTypeParameterSymbol
PullInstantiatedTypeReferenceSymbol
PullPrimitiveTypeSymbol
PullSignatureSymbol
PullStringConstantTypeSymbol
PullSymbol
PullSymbolBinder
PullSynthesizedDecl
PullTypeAliasSymbol
PullTypeEnclosingTypeWalker
PullTypeParameterSymbol
PullTypeReferenceSymbol
PullTypeResolutionContext
PullTypeResolver
PullTypeSymbol
QualifiedName
QualifiedNameSyntax
ReferenceResolutionResult
ReferenceResolver
RegularExpressionLiteral
ReturnStatement
ReturnStatementSyntax
RootPullDecl
Scanner
constructor
_languageVersion
fileName
slidingWindow
text
triviaWindow
absoluteIndex
advanceAndSetTokenKind
createIllegalEscapeDiagnostic
createToken
currentCharCode
fetchMoreItems
getErrorMessageText
isDotPrefixedNumericLiteral
isHexNumericLiteral
isIdentifierPart
isIdentifierStart
isNewLineCharacter
isOctalNumericLiteral
isUnicodeEscape
isValidIdentifier
languageVersion
peekCharOrUnicodeEscape
peekUnicodeOrHexEscape
scan
scanAmpersandToken
scanAsteriskToken
scanBarToken
scanCaretToken
scanCharOrUnicodeEscape
scanDecimalDigits
scanDecimalNumericLiteral
scanDefaultCharacter
scanDotToken
scanEqualsToken
scanExclamationToken
scanHexNumericLiteral
scanLessThanToken
scanLineTerminatorSequenceLength
scanLineTerminatorSequenceTrivia
scanMinusToken
scanMultiLineCommentTrivia
scanMultiLineCommentTriviaLength
scanNumericLiteral
scanOctalNumericLiteral
scanPercentToken
scanPlusToken
scanSingleLineCommentTrivia
scanSingleLineCommentTriviaLength
scanSlashToken
scanStringLiteral
scanSyntaxToken
scanTrivia
scanTrivia
scanTriviaInfo
scanUnicodeOrHexEscape
scanWhitespaceTrivia
setAbsoluteIndex
skipEscapeSequence
slowScanIdentifierOrKeyword
substring
tryFastScanIdentifierOrKeyword
tryScanRegularExpressionToken
ScannerUtilities
SemanticInfoChain
SetAccessor
SetAccessorSyntax
SimpleArrowFunctionExpression
SimpleArrowFunctionExpressionSyntax
SimplePropertyAssignment
SimplePropertyAssignmentSyntax
SlidingWindow
SourceMapEntry
SourceMapPosition
SourceMapper
SourceMapping
SourceUnit
SourceUnitSyntax
StringHashTable
StringLiteral
StringUtilities
SuperExpression
SwitchStatement
SwitchStatementSyntax
SyntaxDedenter
SyntaxIndenter
SyntaxInformationMap
SyntaxNode
SyntaxNodeInvariantsChecker
SyntaxRewriter
SyntaxTokenReplacer
SyntaxTree
SyntaxTreeToAstVisitor
SyntaxUtilities
SyntaxVisitor
SyntaxWalker
TextChangeRange
TextSpan
TextWriter
ThisExpression
ThrowStatement
ThrowStatementSyntax
Timer
TryStatement
TryStatementSyntax
TypeAnnotation
TypeAnnotationSyntax
TypeArgumentInferenceContext
TypeArgumentList
TypeArgumentListSyntax
TypeComparisonInfo
TypeOfExpression
TypeOfExpressionSyntax
TypeParameter
TypeParameterList
TypeParameterListSyntax
TypeParameterSyntax
TypeQuery
TypeQuerySyntax
TypeScriptCompiler
Unicode
VariableDeclaration
VariableDeclarationSyntax
VariableDeclarator
VariableDeclaratorSyntax
VariableStatement
VariableStatementSyntax
VoidExpression
VoidExpressionSyntax
WhileStatement
WhileStatementSyntax
WithStatement
WithStatementSyntax
WrapsTypeParameterCache
changePathToDTS
compareDataObjects
convertToDirectoryPath
createIntrinsicsObject
filePath
filePathComponents
getAstWalkerFactory
getDeclareFilePath
getDiagnosticMessage
getIDForTypeSubstitutions
getLastConstructor
getLocalizedText
getParseOptions
getPathComponents
getPrettyName
getPropertyAssignmentNameTextFromIdentifier
getReferencedFiles
getRelativePathToFixedPath
getRootFilePath
getTrimmedTextLines
hasFlag
hasModifier
isDTSFile
isDoubleQuoted
isQuoted
isRelative
isRooted
isSingleQuoted
isTSFile
isTypesOnlyLocation
lastParameterIsRest
newLine
normalizePath
preProcessFile
quoteStr
stripStartAndEndQuotes
structuralEqualsIncludingPosition
structuralEqualsNotIncludingPosition
switchToForwardSlashes
timeFunction
trimModName