diff options
Diffstat (limited to 'mcs/class/dlr/Runtime/Microsoft.Dynamic/DebugOptions.cs')
| -rw-r--r-- | mcs/class/dlr/Runtime/Microsoft.Dynamic/DebugOptions.cs | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/mcs/class/dlr/Runtime/Microsoft.Dynamic/DebugOptions.cs b/mcs/class/dlr/Runtime/Microsoft.Dynamic/DebugOptions.cs new file mode 100644 index 0000000000..a3aac34473 --- /dev/null +++ b/mcs/class/dlr/Runtime/Microsoft.Dynamic/DebugOptions.cs @@ -0,0 +1,76 @@ +/* **************************************************************************** + * + * Copyright (c) Microsoft Corporation. + * + * This source code is subject to terms and conditions of the Apache License, Version 2.0. A + * copy of the license can be found in the License.html file at the root of this distribution. If + * you cannot locate the Apache License, Version 2.0, please send an email to + * dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound + * by the terms of the Apache License, Version 2.0. + * + * You must not remove this notice, or any other, from this software. + * + * + * ***************************************************************************/ + +using System.Security; +using System; + +namespace Microsoft.Scripting { + + /// <summary> + /// This class holds onto internal debugging options used in this assembly. + /// These options can be set via environment variables DLR_{option-name}. + /// Boolean options map "true" to true and other values to false. + /// + /// These options are for internal debugging only, and should not be + /// exposed through any public APIs. + /// </summary> + internal static class DebugOptions { + + private static bool ReadOption(string name) { +#if SILVERLIGHT + return false; +#else + string envVar = ReadString(name); + return envVar != null && envVar.ToLowerInvariant() == "true"; +#endif + } + + [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "name")] + private static bool ReadDebugOption(string name) { +#if DEBUG + return ReadOption(name); +#else + return false; +#endif + } + + private static string ReadString(string name) { +#if FEATURE_PROCESS + try { + return Environment.GetEnvironmentVariable("DLR_" + name); + } catch (SecurityException) { + return null; + } +#else + return null; +#endif + } + + [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "name")] + private static string ReadDebugString(string name) { +#if DEBUG + return ReadString(name); +#else + return null; +#endif + } + + private readonly static bool _trackPerformance = ReadDebugOption("TrackPerformance"); + + internal static bool TrackPerformance { + get { return _trackPerformance; } + } + } +}
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