net.sourceforge.pmd.lang.ast.Node.jjtGetChildIndex()方法的使用及代码示例

x33g5p2x  于2022-01-25 转载在 其他  
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本文整理了Java中net.sourceforge.pmd.lang.ast.Node.jjtGetChildIndex()方法的一些代码示例，展示了Node.jjtGetChildIndex()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Node.jjtGetChildIndex()方法的具体详情如下：
包路径：net.sourceforge.pmd.lang.ast.Node
类名称：Node
方法名：jjtGetChildIndex

Node.jjtGetChildIndex介绍

[英]Gets the index of this node in the children of its parent.
[中]获取此节点在其父节点的子节点中的索引。

代码示例

代码示例来源：origin: pmd/pmd

private Node getNextSibling(Node current) {
  if (current.jjtGetParent().jjtGetNumChildren() > current.jjtGetChildIndex() + 1) {
    return current.jjtGetParent().jjtGetChild(current.jjtGetChildIndex() + 1);
  }
  return null;
}

代码示例来源：origin: pmd/pmd

protected Node getPreviousSibling(Node contextNode) {
  Node parentNode = contextNode.jjtGetParent();
  if (parentNode != null) {
    int prevPosition = contextNode.jjtGetChildIndex() - 1;
    if (prevPosition >= 0) {
      return parentNode.jjtGetChild(prevPosition);
    }
  }
  return null;
}

代码示例来源：origin: pmd/pmd

protected Node getNextSibling(Node contextNode) {
  Node parentNode = contextNode.jjtGetParent();
  if (parentNode != null) {
    int nextPosition = contextNode.jjtGetChildIndex() + 1;
    if (nextPosition < parentNode.jjtGetNumChildren()) {
      return parentNode.jjtGetChild(nextPosition);
    }
  }
  return null;
}

代码示例来源：origin: pmd/pmd

/**
 * Checks, whether there is a statement after the given if statement, and if
 * so, whether this is just a return boolean statement.
 *
 * @param node
 *            the if statement
 * @return
 */
private boolean isJustReturnsBooleanAfter(ASTIfStatement ifNode) {
  Node blockStatement = ifNode.jjtGetParent().jjtGetParent();
  Node block = blockStatement.jjtGetParent();
  if (block.jjtGetNumChildren() != blockStatement.jjtGetChildIndex() + 1 + 1) {
    return false;
  }
  Node nextBlockStatement = block.jjtGetChild(blockStatement.jjtGetChildIndex() + 1);
  return terminatesInBooleanLiteral(nextBlockStatement);
}

代码示例来源：origin: pmd/pmd

/**
   * Returns all the block statements following the given local var declaration.
   */
  private static List<ASTBlockStatement> statementsAfter(ASTLocalVariableDeclaration node) {

    Node blockOrSwitch = node.jjtGetParent().jjtGetParent();

    int count = blockOrSwitch.jjtGetNumChildren();
    int start = node.jjtGetParent().jjtGetChildIndex() + 1;

    List<ASTBlockStatement> nextBlocks = new ArrayList<>(count - start);

    for (int i = start; i < count; i++) {
      Node maybeBlock = blockOrSwitch.jjtGetChild(i);
      if (maybeBlock instanceof ASTBlockStatement) {
        nextBlocks.add((ASTBlockStatement) maybeBlock);
      }
    }

    return nextBlocks;
  }
}

代码示例来源：origin: pmd/pmd

private boolean isMethodCall(Node node) {
    // PrimaryExpression
    //     PrimaryPrefix
    //         Name
    //     PrimarySuffix

    if (node.jjtGetParent() instanceof ASTPrimaryPrefix && node.getNthParent(2) instanceof ASTPrimaryExpression) {
      Node primaryPrefix = node.jjtGetParent();
      Node expression = primaryPrefix.jjtGetParent();

      boolean hasNextSibling = expression.jjtGetNumChildren() > primaryPrefix.jjtGetChildIndex() + 1;
      if (hasNextSibling) {
        Node nextSibling = expression.jjtGetChild(primaryPrefix.jjtGetChildIndex() + 1);
        if (nextSibling instanceof ASTPrimarySuffix) {
          return true;
        }
      }
    }
    return false;
  }
}

代码示例来源：origin: pmd/pmd

private boolean isNoMethodName(Node name) {

    if (name instanceof ASTName
        && (name.jjtGetParent() instanceof ASTPrimaryPrefix || name.jjtGetParent() instanceof ASTPrimarySuffix)) {

      Node prefixOrSuffix = name.jjtGetParent();

      if (prefixOrSuffix.jjtGetParent().jjtGetNumChildren() > 1 + prefixOrSuffix.jjtGetChildIndex()) {
        // there's one next sibling

        Node next = prefixOrSuffix.jjtGetParent().jjtGetChild(prefixOrSuffix.jjtGetChildIndex() + 1);
        if (next instanceof ASTPrimarySuffix) {
          return !((ASTPrimarySuffix) next).isArguments();
        }
      }
    }
    return true;
  }
}

代码示例来源：origin: pmd/pmd

private boolean couldBeMethodCall(JavaNode node) {
  if (node.getNthParent(2) instanceof ASTPrimaryExpression && node.getNthParent(1) instanceof ASTPrimaryPrefix) {
    int nextSibling = node.jjtGetParent().jjtGetChildIndex() + 1;
    if (node.getNthParent(2).jjtGetNumChildren() > nextSibling) {
      return node.getNthParent(2).jjtGetChild(nextSibling) instanceof ASTPrimarySuffix;
    }
  }
  return false;
}

代码示例来源：origin: net.sourceforge.pmd/pmd-core

protected Node getPreviousSibling(Node contextNode) {
  Node parentNode = contextNode.jjtGetParent();
  if (parentNode != null) {
    int prevPosition = contextNode.jjtGetChildIndex() - 1;
    if (prevPosition >= 0) {
      return parentNode.jjtGetChild(prevPosition);
    }
  }
  return null;
}

代码示例来源：origin: net.sourceforge.pmd/pmd-java

private Node getNextSibling(Node current) {
  if (current.jjtGetParent().jjtGetNumChildren() > current.jjtGetChildIndex() + 1) {
    return current.jjtGetParent().jjtGetChild(current.jjtGetChildIndex() + 1);
  }
  return null;
}

代码示例来源：origin: net.sourceforge.pmd/pmd-core

protected Node getNextSibling(Node contextNode) {
  Node parentNode = contextNode.jjtGetParent();
  if (parentNode != null) {
    int nextPosition = contextNode.jjtGetChildIndex() + 1;
    if (nextPosition < parentNode.jjtGetNumChildren()) {
      return parentNode.jjtGetChild(nextPosition);
    }
  }
  return null;
}

代码示例来源：origin: net.sourceforge.pmd/pmd-java

/**
   * Returns all the block statements following the given local var declaration.
   */
  private static List<ASTBlockStatement> statementsAfter(ASTLocalVariableDeclaration node) {

    Node blockOrSwitch = node.jjtGetParent().jjtGetParent();

    int count = blockOrSwitch.jjtGetNumChildren();
    int start = node.jjtGetParent().jjtGetChildIndex() + 1;

    List<ASTBlockStatement> nextBlocks = new ArrayList<>(count - start);

    for (int i = start; i < count; i++) {
      Node maybeBlock = blockOrSwitch.jjtGetChild(i);
      if (maybeBlock instanceof ASTBlockStatement) {
        nextBlocks.add((ASTBlockStatement) maybeBlock);
      }
    }

    return nextBlocks;
  }
}

代码示例来源：origin: net.sourceforge.pmd/pmd-java

/**
 * Checks, whether there is a statement after the given if statement, and if
 * so, whether this is just a return boolean statement.
 *
 * @param node
 *            the if statement
 * @return
 */
private boolean isJustReturnsBooleanAfter(ASTIfStatement ifNode) {
  Node blockStatement = ifNode.jjtGetParent().jjtGetParent();
  Node block = blockStatement.jjtGetParent();
  if (block.jjtGetNumChildren() != blockStatement.jjtGetChildIndex() + 1 + 1) {
    return false;
  }
  Node nextBlockStatement = block.jjtGetChild(blockStatement.jjtGetChildIndex() + 1);
  return terminatesInBooleanLiteral(nextBlockStatement);
}

代码示例来源：origin: net.sourceforge.pmd/pmd-java

private boolean isMethodCall(Node node) {
    // PrimaryExpression
    //     PrimaryPrefix
    //         Name
    //     PrimarySuffix

    if (node.jjtGetParent() instanceof ASTPrimaryPrefix && node.getNthParent(2) instanceof ASTPrimaryExpression) {
      Node primaryPrefix = node.jjtGetParent();
      Node expression = primaryPrefix.jjtGetParent();

      boolean hasNextSibling = expression.jjtGetNumChildren() > primaryPrefix.jjtGetChildIndex() + 1;
      if (hasNextSibling) {
        Node nextSibling = expression.jjtGetChild(primaryPrefix.jjtGetChildIndex() + 1);
        if (nextSibling instanceof ASTPrimarySuffix) {
          return true;
        }
      }
    }
    return false;
  }
}

代码示例来源：origin: net.sourceforge.pmd/pmd-java

private boolean isNoMethodName(Node name) {

    if (name instanceof ASTName
        && (name.jjtGetParent() instanceof ASTPrimaryPrefix || name.jjtGetParent() instanceof ASTPrimarySuffix)) {

      Node prefixOrSuffix = name.jjtGetParent();

      if (prefixOrSuffix.jjtGetParent().jjtGetNumChildren() > 1 + prefixOrSuffix.jjtGetChildIndex()) {
        // there's one next sibling

        Node next = prefixOrSuffix.jjtGetParent().jjtGetChild(prefixOrSuffix.jjtGetChildIndex() + 1);
        if (next instanceof ASTPrimarySuffix) {
          return !((ASTPrimarySuffix) next).isArguments();
        }
      }
    }
    return true;
  }
}

代码示例来源：origin: net.sourceforge.pmd/pmd-java

private boolean couldBeMethodCall(JavaNode node) {
  if (node.getNthParent(2) instanceof ASTPrimaryExpression && node.getNthParent(1) instanceof ASTPrimaryPrefix) {
    int nextSibling = node.jjtGetParent().jjtGetChildIndex() + 1;
    if (node.getNthParent(2).jjtGetNumChildren() > nextSibling) {
      return node.getNthParent(2).jjtGetChild(nextSibling) instanceof ASTPrimarySuffix;
    }
  }
  return false;
}

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