antlr-ng/dist/src/tool/LexerGrammar.js

Next generation ANTLR Tool

var __defProp = Object.defineProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
import { ClassFactory } from "../ClassFactory.js";
import { Grammar } from "./Grammar.js";
class LexerGrammar extends Grammar {
  static {
    __name(this, "LexerGrammar");
  }
  /** The grammar from which this lexer grammar was derived (if implicit). */
  implicitLexerOwner;
  /** DEFAULT_MODE rules are added first due to grammar syntax order. */
  modes = /* @__PURE__ */ new Map();
  defineRule(r) {
    if (!super.defineRule(r) || !r.mode) {
      return false;
    }
    let ruleList = this.modes.get(r.mode);
    if (!ruleList) {
      ruleList = [];
      this.modes.set(r.mode, ruleList);
    }
    ruleList.push(r);
    return true;
  }
  undefineRule(r) {
    if (!super.undefineRule(r) || !r.mode) {
      return false;
    }
    const ruleList = this.modes.get(r.mode);
    if (!ruleList) {
      return false;
    }
    const index = ruleList.indexOf(r);
    if (index === -1) {
      return false;
    }
    ruleList.splice(index, 1);
    return true;
  }
  static {
    ClassFactory.createLexerGrammar = (tool, ast) => {
      return new LexerGrammar(tool, ast);
    };
  }
}
export {
  LexerGrammar
};