Method constructor

src/parser.ts:78–170

(code: string, options: any = {}, delegate)

    lastMarker: Marker;

    constructor(code: string, options: any = {}, delegate) {
        this.config = {
            range: (typeof options.range === 'boolean') && options.range,
            loc: (typeof options.loc === 'boolean') && options.loc,
            source: null,
            tokens: (typeof options.tokens === 'boolean') && options.tokens,
            comment: (typeof options.comment === 'boolean') && options.comment,
            tolerant: (typeof options.tolerant === 'boolean') && options.tolerant
        };
        if (this.config.loc && options.source && options.source !== null) {
            this.config.source = String(options.source);
        }

        this.delegate = delegate;

        this.errorHandler = new ErrorHandler();
        this.errorHandler.tolerant = this.config.tolerant;
        this.scanner = new Scanner(code, this.errorHandler);
        this.scanner.trackComment = this.config.comment;

        this.operatorPrecedence = {
            ')': 0,
            ';': 0,
            ',': 0,
            '=': 0,
            ']': 0,
            '||': 1,
            '&&': 2,
            '|': 3,
            '^': 4,
            '&': 5,
            '==': 6,
            '!=': 6,
            '===': 6,
            '!==': 6,
            '<': 7,
            '>': 7,
            '<=': 7,
            '>=': 7,
            '<<': 8,
            '>>': 8,
            '>>>': 8,
            '+': 9,
            '-': 9,
            '*': 11,
            '/': 11,
            '%': 11
        };

        this.lookahead = {
            type: Token.EOF,
            value: '',
            lineNumber: this.scanner.lineNumber,
            lineStart: 0,
            start: 0,
            end: 0
        };
        this.hasLineTerminator = false;