niko
89 lines
2.8 KiB
C#
89 lines
2.8 KiB
C#
using System;
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using System.Collections.ObjectModel;
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using System.Reflection.Emit;
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namespace System.Linq.Expressions
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{
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/// <summary>Describes a lambda expression.</summary>
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// Token: 0x02000004 RID: 4
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public class LambdaExpression : Expression
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{
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// Token: 0x06000004 RID: 4 RVA: 0x00002118 File Offset: 0x00000318
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internal LambdaExpression(Type delegateType, Expression body, ReadOnlyCollection<ParameterExpression> parameters)
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: base(ExpressionType.Lambda, delegateType)
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{
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this.body = body;
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this.parameters = parameters;
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}
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/// <summary>Gets the body of the lambda expression.</summary>
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/// <returns>An <see cref="T:System.Linq.Expressions.Expression" /> that represents the body of the lambda expression.</returns>
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// Token: 0x17000001 RID: 1
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// (get) Token: 0x06000005 RID: 5 RVA: 0x00002134 File Offset: 0x00000334
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public Expression Body
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{
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get
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{
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return this.body;
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}
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}
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/// <summary>Gets the parameters of the lambda expression.</summary>
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/// <returns>A <see cref="T:System.Collections.ObjectModel.ReadOnlyCollection`1" /> of <see cref="T:System.Linq.Expressions.ParameterExpression" /> objects that represent the parameters of the lambda expression.</returns>
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// Token: 0x17000002 RID: 2
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// (get) Token: 0x06000006 RID: 6 RVA: 0x0000213C File Offset: 0x0000033C
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public ReadOnlyCollection<ParameterExpression> Parameters
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{
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get
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{
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return this.parameters;
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}
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}
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// Token: 0x06000007 RID: 7 RVA: 0x00002144 File Offset: 0x00000344
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private void EmitPopIfNeeded(EmitContext ec)
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{
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if (this.GetReturnType() == typeof(void) && this.body.Type != typeof(void))
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{
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ec.ig.Emit(OpCodes.Pop);
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}
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}
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// Token: 0x06000008 RID: 8 RVA: 0x00002190 File Offset: 0x00000390
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internal override void Emit(EmitContext ec)
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{
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ec.EmitCreateDelegate(this);
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}
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// Token: 0x06000009 RID: 9 RVA: 0x0000219C File Offset: 0x0000039C
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internal void EmitBody(EmitContext ec)
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{
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this.body.Emit(ec);
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this.EmitPopIfNeeded(ec);
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ec.ig.Emit(OpCodes.Ret);
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}
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// Token: 0x0600000A RID: 10 RVA: 0x000021C4 File Offset: 0x000003C4
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internal Type GetReturnType()
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{
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return base.Type.GetInvokeMethod().ReturnType;
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}
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/// <summary>Produces a delegate that represents the lambda expression.</summary>
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/// <returns>A <see cref="T:System.Delegate" /> that, when it is executed, has the behavior described by the semantics of the <see cref="T:System.Linq.Expressions.LambdaExpression" />.</returns>
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// Token: 0x0600000B RID: 11 RVA: 0x000021D8 File Offset: 0x000003D8
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public Delegate Compile()
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{
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CompilationContext compilationContext = new CompilationContext();
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compilationContext.AddCompilationUnit(this);
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return compilationContext.CreateDelegate();
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}
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// Token: 0x04000001 RID: 1
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private Expression body;
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// Token: 0x04000002 RID: 2
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private ReadOnlyCollection<ParameterExpression> parameters;
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}
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}
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