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

Next generation ANTLR Tool

var __defProp = Object.defineProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
import { BitSet } from "antlr4ng";
import { ANTLRv4Parser } from "../generated/ANTLRv4Parser.js";
import { LabelType } from "./LabelType.js";
class LabelElementPair {
  static {
    __name(this, "LabelElementPair");
  }
  static tokenTypeForTokens = new BitSet();
  label;
  element;
  type;
  constructor(g, label, element, labelOp) {
    this.label = label;
    this.element = element;
    if (element.getFirstDescendantWithType(LabelElementPair.tokenTypeForTokens) !== null) {
      if (labelOp === ANTLRv4Parser.ASSIGN) {
        this.type = LabelType.TokenLabel;
      } else {
        this.type = LabelType.TokenListLabel;
      }
    } else if (element.getFirstDescendantWithType(ANTLRv4Parser.RULE_REF) !== null) {
      if (labelOp === ANTLRv4Parser.ASSIGN) {
        this.type = LabelType.RuleLabel;
      } else {
        this.type = LabelType.RuleListLabel;
      }
    }
    if (g.isLexer()) {
      if (element.getFirstDescendantWithType(ANTLRv4Parser.STRING_LITERAL) !== null) {
        if (labelOp === ANTLRv4Parser.ASSIGN) {
          this.type = LabelType.LexerStringLabel;
        }
      }
    }
  }
  toString() {
    return this.label.getText() + " " + this.type + " " + this.element.toString();
  }
  static {
    LabelElementPair.tokenTypeForTokens.set(ANTLRv4Parser.TOKEN_REF);
    LabelElementPair.tokenTypeForTokens.set(ANTLRv4Parser.STRING_LITERAL);
    LabelElementPair.tokenTypeForTokens.set(ANTLRv4Parser.WILDCARD);
  }
}
export {
  LabelElementPair
};