antlr-ng/dist/src/automata/RangeBorderCharactersData.js

Next generation ANTLR Tool

var __defProp = Object.defineProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
import { Character } from "../support/Character.js";
import { IssueCode } from "../tool/Issues.js";
class RangeBorderCharactersData {
  constructor(lowerFrom, upperFrom, lowerTo, upperTo, mixOfLowerAndUpperCharCase) {
    this.lowerFrom = lowerFrom;
    this.upperFrom = upperFrom;
    this.lowerTo = lowerTo;
    this.upperTo = upperTo;
    this.mixOfLowerAndUpperCharCase = mixOfLowerAndUpperCharCase;
  }
  static {
    __name(this, "RangeBorderCharactersData");
  }
  static getAndCheckCharactersData(from, to, grammar, tree, reportRangeContainsNotImpliedCharacters) {
    const lowerFrom = Character.toLowerCase(from);
    const upperFrom = Character.toUpperCase(from);
    const lowerTo = Character.toLowerCase(to);
    const upperTo = Character.toUpperCase(to);
    const isLowerFrom = lowerFrom === from;
    const isLowerTo = lowerTo === to;
    const mixOfLowerAndUpperCharCase = isLowerFrom && !isLowerTo || !isLowerFrom && isLowerTo;
    if (reportRangeContainsNotImpliedCharacters && mixOfLowerAndUpperCharCase && from <= 127 && to <= 127) {
      let notImpliedCharacters = "";
      for (let i = from; i < to; i++) {
        if (!Character.isAlphabetic(i)) {
          notImpliedCharacters += String.fromCodePoint(i);
        }
      }
      if (notImpliedCharacters.length > 0) {
        grammar.tool.errorManager.grammarError(
          IssueCode.RangeProbablyContainsNotImpliedCharacter,
          grammar.fileName,
          tree.token,
          String.fromCodePoint(from),
          String.fromCodePoint(to),
          notImpliedCharacters.toString()
        );
      }
    }
    return new RangeBorderCharactersData(lowerFrom, upperFrom, lowerTo, upperTo, mixOfLowerAndUpperCharCase);
  }
  isSingleRange() {
    return this.lowerFrom === this.upperFrom && this.lowerTo === this.upperTo || this.mixOfLowerAndUpperCharCase || this.lowerTo - this.lowerFrom !== this.upperTo - this.upperFrom;
  }
}
export {
  RangeBorderCharactersData
};