state.js 3.14 KB
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var N = _interopRequireWildcard(require("../types"));

var _location = require("../util/location");

var _context = require("./context");

var _types2 = require("./types");

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

class State {
  constructor() {
    this.errors = [];
    this.potentialArrowAt = -1;
    this.noArrowAt = [];
    this.noArrowParamsConversionAt = [];
    this.inParameters = false;
    this.maybeInArrowParameters = false;
    this.inPipeline = false;
    this.inType = false;
    this.noAnonFunctionType = false;
    this.inPropertyName = false;
    this.hasFlowComment = false;
    this.isIterator = false;
    this.topicContext = {
      maxNumOfResolvableTopics: 0,
      maxTopicIndex: null
    };
    this.soloAwait = false;
    this.inFSharpPipelineDirectBody = false;
    this.labels = [];
    this.decoratorStack = [[]];
    this.yieldPos = -1;
    this.awaitPos = -1;
    this.comments = [];
    this.trailingComments = [];
    this.leadingComments = [];
    this.commentStack = [];
    this.commentPreviousNode = null;
    this.pos = 0;
    this.lineStart = 0;
    this.type = _types2.types.eof;
    this.value = null;
    this.start = 0;
    this.end = 0;
    this.lastTokEndLoc = null;
    this.lastTokStartLoc = null;
    this.lastTokStart = 0;
    this.lastTokEnd = 0;
    this.context = [_context.types.braceStatement];
    this.exprAllowed = true;
    this.containsEsc = false;
    this.containsOctal = false;
    this.octalPosition = null;
    this.exportedIdentifiers = [];
    this.tokensLength = 0;
  }

  init(options) {
    this.strict = options.strictMode === false ? false : options.sourceType === "module";
    this.curLine = options.startLine;
    this.startLoc = this.endLoc = this.curPosition();
  }

  curPosition() {
    return new _location.Position(this.curLine, this.pos - this.lineStart);
  }

  clone(skipArrays) {
    const state = new State();
    const keys = Object.keys(this);

    for (let i = 0, length = keys.length; i < length; i++) {
      const key = keys[i];
      let val = this[key];

      if (!skipArrays && Array.isArray(val)) {
        val = val.slice();
      }

      state[key] = val;
    }

    return state;
  }

}

exports.default = State;