Utilities.java 文件源码

/**
 * Creating conjunction expression.
 */
public static ConjunctionContext createConjunctionContext(final ExprContext leftContext,
    final ExprContext rightContext) {

  final ConjunctionContext conjunctionContext = new ConjunctionContext(new ExprContext());
  final TerminalNodeImpl andNode = new TerminalNodeImpl(new CommonToken(10, "and"));

  // Setting context parents.
  leftContext.parent = conjunctionContext;
  andNode.parent = conjunctionContext;
  rightContext.parent = conjunctionContext;

  conjunctionContext.left = leftContext;
  conjunctionContext.right = rightContext;

  // Adding conjunction expression's children.
  conjunctionContext.addChild(leftContext);
  conjunctionContext.addChild(andNode);
  conjunctionContext.addChild(rightContext);

  return conjunctionContext;
}