Class Lexer

The default lexer

Hierarchy

Lexer

Implements

ILexer

Index

Constructors

Properties

index peekIndex

Methods

peek consume parse setIndex isEOF

Constructors

constructor

new Lexer(reader): Lexer
Parameters
- reader: InputReader<string>
Returns Lexer
- Defined in lexer.ts:61

Properties

index

index: number = 0

Set the index of the lexer

peekIndex

peekIndex: number = 0

The index of the next token

Methods

peek

peek(amount?): null | LexerTokenValue
Peek at the next {n} token(s)
Parameters
- amount: number = 0
Returns null | LexerTokenValue
Implementation of ILexer.peek
- Defined in lexer.ts:65

consume

consume(amount?): null | LexerTokenValue
Consume the next {n} token(s)
Parameters
- amount: number = 0
Returns null | LexerTokenValue
Implementation of ILexer.consume
- Defined in lexer.ts:81

parse

parse(): LexerTokenValue[]
Parse the input into tokens

Returns LexerTokenValue[]
Implementation of ILexer.parse
- Defined in lexer.ts:113

setIndex

setIndex(n): void
Set the index of the lexer
Parameters
- n: number
Returns void
Implementation of ILexer.setIndex
- Defined in lexer.ts:121

isEOF

isEOF(): boolean
Check if the lexer is at the end of the input

Returns boolean
Implementation of ILexer.isEOF
- Defined in lexer.ts:125

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