Class ExpressionExtensions
Provides a set of extension methods for System.Linq.Expressions.Expression.
Inheritance
Namespace: System.Linq.Expressions
Assembly: Nuqleon.Linq.CompilerServices.dll
Syntax
public static class ExpressionExtensions : ObjectMethods
Evaluate(Expression)
Evaluates the specified expression tree. If the specified expression has unbound parameters, an exception will be thrown.
Declaration
public static object Evaluate(this Expression expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | Expression to evaluate. |
Returns
| Type | Description |
|---|---|
| System.Object | Result of evaluating the expression tree. |
Evaluate(Expression, ICompiledDelegateCache)
Evaluates the specified expression tree. If the specified expression has unbound parameters, an exception will be thrown.
Declaration
public static object Evaluate(this Expression expression, ICompiledDelegateCache cache)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | Expression to evaluate. |
| ICompiledDelegateCache | cache | Compiled delegate cache. |
Returns
| Type | Description |
|---|---|
| System.Object | Result of evaluating the expression tree. |
Evaluate<TResult>(Expression)
Evaluates the specified expression tree. If the specified expression has unbound parameters, an exception will be thrown.
Declaration
public static TResult Evaluate<TResult>(this Expression expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | Expression to evaluate. |
Returns
| Type | Description |
|---|---|
| TResult | Result of evaluating the expression tree. |
Type Parameters
| Name | Description |
|---|---|
| TResult | Type of the evaluation result. |
Evaluate<TResult>(Expression, ICompiledDelegateCache)
Evaluates the specified expression tree. If the specified expression has unbound parameters, an exception will be thrown.
Declaration
public static TResult Evaluate<TResult>(this Expression expression, ICompiledDelegateCache cache)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | Expression to evaluate. |
| ICompiledDelegateCache | cache | Compiled delegate cache. |
Returns
| Type | Description |
|---|---|
| TResult | Result of evaluating the expression tree. |
Type Parameters
| Name | Description |
|---|---|
| TResult | Type of the evaluation result. |
Evaluate<TResult>(Expression<Func<TResult>>)
Evaluates the specified expression tree. If the specified expression has unbound parameters, an exception will be thrown.
Declaration
public static TResult Evaluate<TResult>(this Expression<Func<TResult>> expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression<System.Func<TResult>> | expression | Expression to evaluate. |
Returns
| Type | Description |
|---|---|
| TResult | Result of evaluating the expression tree. |
Type Parameters
| Name | Description |
|---|---|
| TResult | Type of the evaluation result. |
Evaluate<TResult>(Expression<Func<TResult>>, ICompiledDelegateCache)
Evaluates the specified expression tree. If the specified expression has unbound parameters, an exception will be thrown.
Declaration
public static TResult Evaluate<TResult>(this Expression<Func<TResult>> expression, ICompiledDelegateCache cache)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression<System.Func<TResult>> | expression | Expression to evaluate. |
| ICompiledDelegateCache | cache | Compiled delegate cache. |
Returns
| Type | Description |
|---|---|
| TResult | Result of evaluating the expression tree. |
Type Parameters
| Name | Description |
|---|---|
| TResult | Type of the evaluation result. |
Funcletize(Expression)
Creates a funclet expression for the specified expression tree. This funclet can be used to evaluate the expression tree. If the specified expression has unbound parameters, an exception will be thrown.
Declaration
public static Expression<Func<object>> Funcletize(this Expression expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | Expression to funcletize. |
Returns
| Type | Description |
|---|---|
| System.Linq.Expressions.Expression<System.Func<System.Object>> | Funclet to evaluate the expression tree. |
Funcletize<TResult>(Expression)
Creates a funclet expression for the specified expression tree. This funclet can be used to evaluate the expression tree. If the specified expression has unbound parameters, an exception will be thrown.
Declaration
public static Expression<Func<TResult>> Funcletize<TResult>(this Expression expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | Expression to funcletize. |
Returns
| Type | Description |
|---|---|
| System.Linq.Expressions.Expression<System.Func<TResult>> | Funclet to evaluate the expression tree. |
Type Parameters
| Name | Description |
|---|---|
| TResult | Result type of the expression. |
Funcletize<TResult>(Expression<Func<TResult>>)
Creates a funclet expression for the specified expression tree. This funclet can be used to evaluate the expression tree. If the specified expression has unbound parameters, an exception will be thrown.
Declaration
public static Expression<Func<TResult>> Funcletize<TResult>(this Expression<Func<TResult>> expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression<System.Func<TResult>> | expression | Expression to funcletize. |
Returns
| Type | Description |
|---|---|
| System.Linq.Expressions.Expression<System.Func<TResult>> | Funclet to evaluate the expression tree. |
Type Parameters
| Name | Description |
|---|---|
| TResult | Result type of the expression. |
ToCSharp(Expression)
Converts the specified expression tree to a representation using C# syntax, and acquires constants and globals that occur in the expression tree.
Declaration
public static CSharpExpression ToCSharp(this Expression expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | Expression to provide a C# representation for. |
Returns
| Type | Description |
|---|---|
| CSharpExpression | C# representation of the specified expression tree. |
ToCSharp(Expression, Boolean)
Converts the specified expression tree to a representation using C# syntax, with configurable exposure of compiler-generated names, and acquires constants and globals that occur in the expression tree.
Declaration
public static CSharpExpression ToCSharp(this Expression expression, bool allowCompilerGeneratedNames)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | Expression to provide a C# representation for. |
| System.Boolean | allowCompilerGeneratedNames | Indicates whether compiler-generated names are allowed in the output. If enabled, the resulting C# syntax may not be syntactically valid. |
Returns
| Type | Description |
|---|---|
| CSharpExpression | C# representation of the specified expression tree. |
ToCSharpString(Expression)
Gets a string representation of the specified expression tree using C# syntax. The resulting string is not guaranteed to be semantically equivalent and should be used for diagnostic purposes only.
Declaration
public static string ToCSharpString(this Expression expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | Expression to provide a C# code fragment for. |
Returns
| Type | Description |
|---|---|
| System.String | String representation of the specified expression tree using C# syntax. |
ToCSharpString(Expression, Boolean)
Gets a string representation of the specified expression tree using C# syntax, with configurable exposure of compiler-generated names. The resulting string is not guaranteed to be semantically equivalent and should be used for diagnostic purposes only.
Declaration
public static string ToCSharpString(this Expression expression, bool allowCompilerGeneratedNames)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | Expression to provide a C# code fragment for. |
| System.Boolean | allowCompilerGeneratedNames | Indicates whether compiler-generated names are allowed in the output. If enabled, the resulting C# syntax may not be syntactically valid. |
Returns
| Type | Description |
|---|---|
| System.String | String representation of the specified expression tree using C# syntax. |
ToExpressionTree(ElementInit)
Converts an element initializer to an ITree representation that can be used with rewriter tools.
Declaration
public static ElementInitExpressionTree ToExpressionTree(this ElementInit elementInitializer)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.ElementInit | elementInitializer | Element initializer to convert. |
Returns
| Type | Description |
|---|---|
| ElementInitExpressionTree | ITree representation of the element initializer. |
ToExpressionTree(Expression)
Converts an expression tree to an ITree representation that can be used with rewriter tools.
Declaration
public static ExpressionTree ToExpressionTree(this Expression expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | Expression tree to convert. |
Returns
| Type | Description |
|---|---|
| ExpressionTree | ITree representation of the expression tree. |
ToExpressionTree(MemberBinding)
Converts a member binding to an ITree representation that can be used with rewriter tools.
Declaration
public static MemberBindingExpressionTree ToExpressionTree(this MemberBinding memberBinding)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.MemberBinding | memberBinding | Member binding to convert. |
Returns
| Type | Description |
|---|---|
| MemberBindingExpressionTree | ITree representation of the member binding. |