76 lines
2.5 KiB
C#
76 lines
2.5 KiB
C#
/* ****************************************************************************
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*
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* Copyright (c) Microsoft Corporation.
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*
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* This source code is subject to terms and conditions of the Apache License, Version 2.0. A
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* copy of the license can be found in the License.html file at the root of this distribution. If
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* you cannot locate the Apache License, Version 2.0, please send an email to
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* dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
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* by the terms of the Apache License, Version 2.0.
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*
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* You must not remove this notice, or any other, from this software.
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*
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*
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* ***************************************************************************/
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using System.Security;
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using System;
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namespace Microsoft.Scripting {
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/// <summary>
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/// This class holds onto internal debugging options used in this assembly.
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/// These options can be set via environment variables DLR_{option-name}.
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/// Boolean options map "true" to true and other values to false.
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///
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/// These options are for internal debugging only, and should not be
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/// exposed through any public APIs.
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/// </summary>
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internal static class DebugOptions {
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private static bool ReadOption(string name) {
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#if SILVERLIGHT
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return false;
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#else
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string envVar = ReadString(name);
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return envVar != null && envVar.ToLowerInvariant() == "true";
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#endif
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}
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[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "name")]
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private static bool ReadDebugOption(string name) {
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#if DEBUG
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return ReadOption(name);
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#else
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return false;
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#endif
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}
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private static string ReadString(string name) {
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#if FEATURE_PROCESS
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try {
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return Environment.GetEnvironmentVariable("DLR_" + name);
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} catch (SecurityException) {
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return null;
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}
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#else
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return null;
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#endif
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}
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[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "name")]
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private static string ReadDebugString(string name) {
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#if DEBUG
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return ReadString(name);
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#else
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return null;
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#endif
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}
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private readonly static bool _trackPerformance = ReadDebugOption("TrackPerformance");
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internal static bool TrackPerformance {
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get { return _trackPerformance; }
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}
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}
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} |