public object Invoke(Expression.Expression expression)
{
var csExpression = Evaluate(expression);
return(System.Linq.Expressions.Expression.Lambda(
csExpression,
Parameters.Select(o => o.Value)
)
.Compile()
.DynamicInvoke(Context.Select(o => o.Value).ToArray()));
}
public System.Linq.Expressions.Expression Evaluate(Expression.Expression expression)
{
switch (expression)
{
case TernaryExpression ternaryExpression:
return(EvaluateTernaryExpression(ternaryExpression));
break;
case BinaryExpression binaryExpression:
return(EvaluateBinaryExpression(binaryExpression));
break;
case UnaryExpression unaryExpression:
return(EvaluateUnaryExpression(unaryExpression));
break;
case GroupExpression groupExpression:
return(EvaluateGroupExpression(groupExpression));
break;
case FunctionCallExpression functionCallExpression:
return(EvaluateFunctionCallExpression(functionCallExpression));
break;
case ConstantExpression constantExpression:
return(EvaluateConstantExpression(constantExpression));
break;
case VariableExpression variableExpression:
return(EvaluateVariableExpression(variableExpression));
break;
case MemberAccessExpression memberAccessExpression:
return(EvaluateMemberAccessExpression(memberAccessExpression));
break;
case ArrayAccessExpression arrayAccessExpression:
return(EvaluateArrayAccessExpression(arrayAccessExpression));
break;
}
return(null);
}
protected void Visit(Expression.Expression expression)
{
switch (expression)
{
case TernaryExpression ternaryExpression:
VisitTernaryExpression(ternaryExpression);
break;
case BinaryExpression binaryExpression:
VisitBinaryExpression(binaryExpression);
break;
case UnaryExpression unaryExpression:
VisitUnaryExpression(unaryExpression);
break;
case GroupExpression groupExpression:
VisitGroupExpression(groupExpression);
break;
case FunctionCallExpression functionCallExpression:
VisitFunctionCallExpression(functionCallExpression);
break;
case ConstantExpression constantExpression:
VisitConstantExpression(constantExpression);
break;
case VariableExpression variableExpression:
VisitVariableExpression(variableExpression);
break;
case MemberAccessExpression memberAccessExpression:
VisitMemberAccessExpression(memberAccessExpression);
break;
case ArrayAccessExpression arrayAccessExpression:
VisitArrayAccessExpression(arrayAccessExpression);
break;
}
}
