/// <summary> /// Generates System.CodeDom.CodeExpression from the given expression. /// </summary> /// <param name="expression">Expression from which System.CodeDom.CodeExpression is generated.</param> /// <returns>Generated System.CodeDom.CodeExpression.</returns> public virtual CodeExpression Visit(LinqCastExpression expression) { CodeExpression source = this.GenerateCode(expression.Source); CodeTypeReference type = this.GetTypeReference(expression.TypeToOperateAgainst); return(source.Call("Cast", new CodeTypeReference[] { type })); }
/// <summary> /// Replaces the given expression. /// </summary> /// <param name="expression">The root node of the expression tree being visited.</param> /// <returns>Replaced expression.</returns> public virtual QueryExpression Visit(LinqCastExpression expression) { var argument = this.ReplaceExpression(expression.Source); if (this.HasChanged(expression.Source, argument)) { return(argument.CastEnumerable(expression.TypeToOperateAgainst)); } return(expression); }
/// <summary> /// Visits a QueryExpression tree whose root node is the LinqCastExpression. /// </summary> /// <param name="expression">The root node of the expression tree being visited.</param> /// <returns>Uri query string representing the expression.</returns> public virtual string Visit(LinqCastExpression expression) { throw new TaupoNotSupportedException("Not supported"); }
/// <summary> /// Evaluates the specified expression. /// </summary> /// <param name="expression">The expression to evaluate.</param> /// <returns>Value of the expression.</returns> public virtual QueryValue Visit(LinqCastExpression expression) { var source = this.EvaluateCollection(expression.Source); return(source.Cast(expression.TypeToOperateAgainst)); }
/// <summary> /// Resolves types for the specified expression. /// </summary> /// <param name="expression">The expression to resolve types for.</param> /// <returns>Expression with resolved types.</returns> public QueryExpression Visit(LinqCastExpression expression) { var source = this.ResolveTypes(expression.Source); return(source.CastEnumerable(expression.TypeToOperateAgainst)); }