nerdamer-ts/dist/Parser/Token.js

javascript light-weight symbolic math expression evaluator

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Token = void 0;
class Token {
    constructor(node, node_type, column, operator) {
        this.is_prefix = false;
        this.column = 0;
        this.precedence = 0;
        this.leftAssoc = false;
        this.type = node_type;
        this.value = node;
        if (column !== undefined) {
            this.column = column + 1;
        }
        if (node_type === Token.OPERATOR && operator) {
            //copy everything over from the operator
            for (let x in operator) {
                this[x] = operator[x];
            }
        }
        else if (node_type === Token.FUNCTION) {
            this.precedence = Token.MAX_PRECEDENCE; //leave enough roon
            this.leftAssoc = false;
        }
    }
    toString() {
        if (this.is_prefix) {
            return '`' + this.value;
        }
        return this.value;
    }
}
exports.Token = Token;
//some constants
Token.OPERATOR = 'OPERATOR';
Token.VARIABLE_OR_LITERAL = 'VARIABLE_OR_LITERAL';
Token.FUNCTION = 'FUNCTION';
Token.UNIT = 'UNIT';
Token.KEYWORD = 'KEYWORD';
Token.MAX_PRECEDENCE = 999;
//# sourceMappingURL=Token.js.map