Method _endToken

packages/compiler/src/ml_parser/lexer.ts:520–545

(parts: string[], end?: CharacterCursor)

  }

  private _endToken(parts: string[], end?: CharacterCursor): Token {
    if (this._currentTokenStart === null) {
      throw new ParseError(
        this._cursor.getSpan(end),
        'Programming error - attempted to end a token when there was no start to the token',
      );
    }
    if (this._currentTokenType === null) {
      throw new ParseError(
        this._cursor.getSpan(this._currentTokenStart),
        'Programming error - attempted to end a token which has no token type',
      );
    }
    const token = {
      type: this._currentTokenType,
      parts,
      sourceSpan: (end ?? this._cursor).getSpan(
        this._currentTokenStart,
        this._leadingTriviaCodePoints,
      ),
    } as Token;
    this.tokens.push(token);
    this._currentTokenStart = null;
    this._currentTokenType = null;
    return token;
  }

  private _createError(msg: string, span: ParseSourceSpan): ParseError {
    if (this._isInExpansionForm()) {