Empeld
Empeld plugin documentation.
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Events
pluginbase.Helpers.Extensions.ExpressionExtensions Class Reference

Expression extension methods More...

Classes

class  CallableExpression
 

Static Public Member Functions

static CallableExpression ReduceMethodCall (this LambdaExpression exp)
 Reduces a method call to its info, and values for arguments More...
 
static object Evaluate (this Expression exp, bool reflective=true)
 Evaluate the value of an expression More...
 

Detailed Description

Expression extension methods

Member Function Documentation

static object pluginbase.Helpers.Extensions.ExpressionExtensions.Evaluate ( this Expression  exp,
bool  reflective = true 
)
static

Evaluate the value of an expression

Parameters
expThe expression
reflectiveIf set to true use reflective. Usually faster.
55  {
56  if (reflective)
57  {
58  return EvaluateReflective(exp);
59  }
60  return Expression.Lambda(exp).Compile().DynamicInvoke();
61  }
static CallableExpression pluginbase.Helpers.Extensions.ExpressionExtensions.ReduceMethodCall ( this LambdaExpression  exp)
static

Reduces a method call to its info, and values for arguments

Returns
The method call.
Parameters
expExp.

Attribute: method.Arguments.Count

;

Attribute: i] = method.Arguments[i

.Evaluate();

27  {
28  var method = exp.Body as MethodCallExpression;
29  if (method == null)
30  {
31  throw new InvalidOperationException("Expected expression to be callable");
32  }
33 
34  var args = new object[method.Arguments.Count];
35  for (int i=0; i<args.Length; ++i)
36  {
37  args[i] = method.Arguments[i].Evaluate();
38  }
39 
40  return new CallableExpression
41  {
42  ArgumentValues = args,
43  Method = method.Method,
44  TargetType = EvaluateType(method.Object)
45  };
46  }

The documentation for this class was generated from the following file: