solidity-antlr4/dist/ast/declaration/variable-declaration-tuple.js

Solidity Lang Lexer and Parser by official ANTLR4 grammar

import { BaseNodeList } from "../base.js";
import {
  VariableDeclarationContext
} from "../../antlr4/index.js";
const isVarCtx = (ctx) => ctx instanceof VariableDeclarationContext;
export const VariableDeclarationTuple = class extends BaseNodeList {
  type = "VariableDeclarationTuple";
  constructor(ctx, visitor) {
    const list = [];
    const children = ctx.children ?? [];
    for (let index = 0; index < children.length; index += 1) {
      const current = children[index];
      const next = children[index + 1];
      if (!next)
        continue;
      if (!isVarCtx(current) && isVarCtx(next)) {
        list.push(next);
      } else if (!isVarCtx(current) && !isVarCtx(next)) {
        list.push(null);
      }
    }
    super(list, visitor, (current) => current === null ? null : current.accept(visitor));
  }
};