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Diffstat (limited to 'src/System.Private.CoreLib/shared/System/Reflection/Emit/Label.cs')
-rw-r--r--src/System.Private.CoreLib/shared/System/Reflection/Emit/Label.cs75
1 files changed, 75 insertions, 0 deletions
diff --git a/src/System.Private.CoreLib/shared/System/Reflection/Emit/Label.cs b/src/System.Private.CoreLib/shared/System/Reflection/Emit/Label.cs
new file mode 100644
index 000000000..e49d471a9
--- /dev/null
+++ b/src/System.Private.CoreLib/shared/System/Reflection/Emit/Label.cs
@@ -0,0 +1,75 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+/*============================================================
+**
+**
+**
+**
+**
+**
+** Purpose: Represents a Label to the ILGenerator class.
+**
+**
+===========================================================*/
+
+using System;
+using System.Reflection;
+using System.Runtime.InteropServices;
+
+namespace System.Reflection.Emit
+{
+ // The Label class is an opaque representation of a label used by the
+ // ILGenerator class. The token is used to mark where labels occur in the IL
+ // stream and then the necessary offsets are put back in the code when the ILGenerator
+ // is passed to the MethodWriter.
+ // Labels are created by using ILGenerator.CreateLabel and their position is set
+ // by using ILGenerator.MarkLabel.
+ public struct Label
+ {
+ internal int m_label;
+
+ //public Label() {
+ // m_label=0;
+ //}
+
+ internal Label(int label)
+ {
+ m_label = label;
+ }
+
+ internal int GetLabelValue()
+ {
+ return m_label;
+ }
+
+ public override int GetHashCode()
+ {
+ return m_label;
+ }
+
+ public override bool Equals(object obj)
+ {
+ if (obj is Label)
+ return Equals((Label)obj);
+ else
+ return false;
+ }
+
+ public bool Equals(Label obj)
+ {
+ return obj.m_label == m_label;
+ }
+
+ public static bool operator ==(Label a, Label b)
+ {
+ return a.Equals(b);
+ }
+
+ public static bool operator !=(Label a, Label b)
+ {
+ return !(a == b);
+ }
+ }
+}