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codegenerator.cs
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52 lines (45 loc) · 1.82 KB
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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);
}
}
}