Token

Represents a range of characters represented by a lexical token within a Source.

class Token {

constructor(

kind: TokenKind,

start: number,

end: number,

line: number,

column: number,

value?: string,

);

readonly column: number;

readonly end: number;

readonly kind: TokenKind;

readonly line: number;

readonly next: Token | null;

readonly prev: Token | null;

readonly start: number;

readonly value: string;

get [Symbol.toStringTag](): string;

toJSON(): {

kind: TokenKind;

value?: string;

line: number;

column: number;

};

}

§Constructors

new Token(kind: TokenKind, start: number, end: number, line: number, column: number, value?: string)

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§Properties

column: number

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The 1-indexed column number at which this Token begins.

end: number

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The character offset at which this Node ends.

kind: TokenKind

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The kind of Token.

line: number

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The 1-indexed line number on which this Token appears.

next: Token | null

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prev: Token | null

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Tokens exist as nodes in a double-linked-list amongst all tokens including ignored tokens. is always the first node and the last.

start: number

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The character offset at which this Node begins.

value: string

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For non-punctuation tokens, represents the interpreted value of the token.

Note: is undefined for punctuation tokens, but typed as string for convenience in the parser.

[Symbol.toStringTag]: string readonly

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§Methods

toJSON(): {

kind: TokenKind;

value?: string;

line: number;

column: number;

}

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