/// <param name="ex"> /// is the pipe expression. </param> /// <returns> a new function. </returns> public virtual object visit(PipeExpr ex) { ex.left().accept(this); ex.right().accept(this); return(null); }
/// <summary> /// Validate a piped expression. /// </summary> /// <param name="pipex"> /// is the expression. </param> /// <returns> null. </returns> public virtual object visit(PipeExpr pipex) { printBinExpr("PIPE", pipex); return(null); }
/// <param name="pipex"> /// is the pipe expression. </param> /// <returns> a new function. </returns> public virtual object visit(PipeExpr pipex) { throw new Exception(); //ICollection args = normalize_bin_args(pipex); //return make_function(new QName("op", "union", OpFunctionLibrary.XPATH_OP_NS), args); }