ErrorListener class
LG parser error listener.
Constructors
| Error |
Creates a new instance of the ErrorListener class. |
Methods
| syntax |
Notifies any interested parties upon a syntax error. |
Constructor Details
ErrorListener(string, number)
Creates a new instance of the ErrorListener class.
new ErrorListener(errorSource: string, lineOffset?: number)Parameters
- errorSource
-
string
String value that represents the source of the error.
- lineOffset
-
number
Offset of the line where the error occurred.
Method Details
syntaxError<T>(Recognizer<T, any>, any, number, number, string, RecognitionException | undefined)
Notifies any interested parties upon a syntax error.
function syntaxError<T>(recognizer: Recognizer<T, any>, offendingSymbol: any, line: number, charPositionInLine: number, msg: string, e: RecognitionException | undefined)Parameters
- recognizer
-
Recognizer<T, any>
What parser got the error. From this object, you can access the context as well as the input stream.
- offendingSymbol
-
any
Offending token in the input token stream, unless recognizer is a lexer (then it's null).
- line
-
number
Line number in the input where the error occurred.
- charPositionInLine
-
number
Character position within the line where the error occurred.
- msg
-
string
Message to emit.
- e
-
RecognitionException | undefined
Exception.