PowerToys/Pythonnet.Runtime/codegenerator.cs
2014-01-11 00:19:14 +08:00

63 lines
2.3 KiB
C#

// ==========================================================================
// This software is subject to the provisions of the Zope Public License,
// Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
// THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
// WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
// FOR A PARTICULAR PURPOSE.
// ==========================================================================
using System;
using System.Threading;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using System.Collections;
using System.Reflection;
using System.Reflection.Emit;
namespace Python.Runtime {
/// <summary>
/// Several places in the runtime generate code on the fly to support
/// dynamic functionality. The CodeGenerator class manages the dynamic
/// assembly used for code generation and provides utility methods for
/// certain repetitive tasks.
/// </summary>
internal class CodeGenerator {
AssemblyBuilder aBuilder;
ModuleBuilder mBuilder;
internal CodeGenerator() {
AssemblyName aname = new AssemblyName();
aname.Name = "__CodeGenerator_Assembly";
AssemblyBuilderAccess aa = AssemblyBuilderAccess.Run;
aBuilder = Thread.GetDomain().DefineDynamicAssembly(aname, aa);
mBuilder = aBuilder.DefineDynamicModule("__CodeGenerator_Module");
}
//====================================================================
// DefineType is a shortcut utility to get a new TypeBuilder.
//====================================================================
internal TypeBuilder DefineType(string name) {
TypeAttributes attrs = TypeAttributes.Public;
return mBuilder.DefineType(name, attrs);
}
//====================================================================
// DefineType is a shortcut utility to get a new TypeBuilder.
//====================================================================
internal TypeBuilder DefineType(string name, Type basetype) {
TypeAttributes attrs = TypeAttributes.Public;
return mBuilder.DefineType(name, attrs, basetype);
}
}
}