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131 lines (103 loc) · 4.84 KB
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/* ****************************************************************************
*
* 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
* [email protected]. 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;
using System.Linq;
using Microsoft.Scripting;
using Microsoft.Scripting.Runtime;
using IronPython.Runtime;
using IronPython.Runtime.Exceptions;
using IronPython.Runtime.Operations;
using IronPython.Runtime.Types;
using SpecialName = System.Runtime.CompilerServices.SpecialNameAttribute;
[assembly: PythonModule("gc", typeof(IronPython.Modules.PythonGC))]
namespace IronPython.Modules {
public static class PythonGC {
public const string __doc__ = "Provides functions for inspecting, configuring, and forcing garbage collection.";
public const int DEBUG_STATS = 1;
public const int DEBUG_COLLECTABLE = 2;
public const int DEBUG_UNCOLLECTABLE = 4;
public const int DEBUG_INSTANCES = 8;
public const int DEBUG_OBJECTS = 16;
public const int DEBUG_SAVEALL = 32;
public const int DEBUG_LEAK = (DEBUG_COLLECTABLE | DEBUG_UNCOLLECTABLE | DEBUG_INSTANCES | DEBUG_OBJECTS | DEBUG_SAVEALL);
private static readonly object _threadholdKey = new object();
[SpecialName]
public static void PerformModuleReload(PythonContext/*!*/ context, PythonDictionary/*!*/ dict) {
context.SetModuleState(_threadholdKey, PythonTuple.MakeTuple(64 * 1024, 256 * 1024, 1024 * 1024));
}
public static void enable() {
}
public static void disable(CodeContext/*!*/ context) {
PythonOps.Warn(context, PythonExceptions.RuntimeWarning, "IronPython has no support for disabling the GC");
}
public static object isenabled() {
return ScriptingRuntimeHelpers.True;
}
public static int collect(CodeContext context, int generation) {
return PythonContext.GetContext(context).Collect(generation);
}
public static int collect(CodeContext context) {
return collect(context, GC.MaxGeneration);
}
public static void set_debug(object o) {
throw PythonOps.NotImplementedError("gc.set_debug isn't implemented");
}
public static object get_debug() {
return 0;
}
public static object[] get_objects() {
throw PythonOps.NotImplementedError("gc.get_objects isn't implemented");
}
public static void set_threshold(CodeContext/*!*/ context, params object[] args) {
if(args.Length == 0) {
throw PythonOps.TypeError("set_threshold() takes at least 1 argument (0 given)");
}
if(args.Length > 3) {
throw PythonOps.TypeError("set_threshold() takes at most 3 arguments ({0} given)", args.Length);
}
if(args.Any(x => x is double)) {
throw PythonOps.TypeError("integer argument expected, got float");
}
if(!args.All(x => x is int)) {
throw PythonOps.TypeError("an integer is required");
}
PythonTuple current = get_threshold(context);
object[] threshold = args.Take(args.Length)
.Concat(current.ToArray().Skip(args.Length))
.ToArray();
SetThresholds(context, PythonTuple.MakeTuple(threshold));
}
public static PythonTuple get_threshold(CodeContext/*!*/ context) {
return GetThresholds(context);
}
public static object[] get_referrers(params object[] objs) {
throw PythonOps.NotImplementedError("gc.get_referrers isn't implemented");
}
public static object[] get_referents(params object[] objs) {
throw PythonOps.NotImplementedError("gc.get_referents isn't implemented");
}
public static List garbage {
get {
return new List();
}
}
private static PythonTuple GetThresholds(CodeContext/*!*/ context) {
return (PythonTuple)PythonContext.GetContext(context).GetModuleState(_threadholdKey);
}
private static void SetThresholds(CodeContext/*!*/ context, PythonTuple thresholds) {
PythonContext.GetContext(context).SetModuleState(_threadholdKey, thresholds);
}
}
}