content: /*
   * This file is a part of BSL Language Server.
   *
   * Copyright (c) 2018-2025
   * Alexey Sosnoviy <labotamy@gmail.com>, Nikita Fedkin <nixel2007@gmail.com> and contributors
   *
   * SPDX-License-Identifier: LGPL-3.0-or-later
   *
   * BSL Language Server is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 3.0 of the License, or (at your option) any later version.
   *
   * BSL Language Server is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with BSL Language Server.
   */
  package com.github._1c_syntax.bsl.languageserver.utils.expressiontree;
  
  /**
   * Обходчик дерева выражений
   */
  public class ExpressionTreeVisitor {
  
    private void visit(BslExpression node) {
      switch (node.getNodeType()) {
        case CALL -> visitAbstractCall(node.cast());
        case UNARY_OP -> visitUnaryOperation(node.cast());
        case TERNARY_OP -> visitTernaryOperator(node.cast());
        case BINARY_OP -> visitBinaryOperation(node.cast());
        default -> { // для спокойствия сонара
        }
      }
    }
  
    protected void visitTopLevelExpression(BslExpression node) {
      visit(node);
    }
  
    protected void visitAbstractCall(AbstractCallNode node) {
      for (var expr : node.arguments()) {
        visit(expr);
      }
    }
  
    protected void visitUnaryOperation(UnaryOperationNode node) {
      visit(node.getOperand());
    }
  
    protected void visitBinaryOperation(BinaryOperationNode node) {
      visit(node.getLeft());
      visit(node.getRight());
    }
  
    protected void visitTernaryOperator(TernaryOperatorNode node) {
      visit(node.getCondition());
      visit(node.getTruePart());
      visit(node.getFalsePart());
    }
  }
  