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PythonSavableScriptCode.cs
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76 lines (59 loc) · 2.5 KB
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the Apache 2.0 License.
// See the LICENSE file in the project root for more information.
#if FEATURE_REFEMIT
using System.Linq.Expressions;
using System;
using System.Collections.Generic;
using System.Reflection;
using System.Reflection.Emit;
using Microsoft.Scripting;
using Microsoft.Scripting.Generation;
using Microsoft.Scripting.Runtime;
using Microsoft.Scripting.Utils;
using IronPython.Runtime;
using IronPython.Runtime.Operations;
namespace IronPython.Compiler {
/// <summary>
/// A ScriptCode which can be saved to disk. We only create this when called via
/// the clr.CompileModules API. This ScriptCode does not support running.
/// </summary>
internal class PythonSavableScriptCode : SavableScriptCode, ICustomScriptCodeData {
private readonly Expression<LookupCompilationDelegate> _code;
private readonly string[] _names;
private readonly string _moduleName;
public PythonSavableScriptCode(Expression<LookupCompilationDelegate> code, SourceUnit sourceUnit, string[] names, string moduleName)
: base(sourceUnit) {
_code = code;
_names = names;
_moduleName = moduleName;
}
#if FEATURE_LAMBDAEXPRESSION_COMPILETOMETHOD
protected override KeyValuePair<MethodBuilder, Type> CompileForSave(TypeGen typeGen) {
var lambda = RewriteForSave(typeGen, _code);
MethodBuilder mb = typeGen.TypeBuilder.DefineMethod(lambda.Name ?? "lambda_method", CompilerHelpers.PublicStatic | MethodAttributes.SpecialName);
lambda.CompileToMethod(mb);
mb.SetCustomAttribute(new CustomAttributeBuilder(
typeof(CachedOptimizedCodeAttribute).GetConstructor(new Type[] { typeof(string[]) }),
new object[] { _names }
));
return new KeyValuePair<MethodBuilder, Type>(mb, typeof(LookupCompilationDelegate));
}
#endif
public override object Run() {
throw new NotSupportedException();
}
public override object Run(Scope scope) {
throw new NotSupportedException();
}
public override Scope CreateScope() {
throw new NotSupportedException();
}
#region ICustomScriptCodeData Members
string ICustomScriptCodeData.GetCustomScriptCodeData() {
return _moduleName;
}
#endregion
}
}
#endif