public InstantiatedMethodIL(MethodDesc owningMethod, MethodIL methodIL)
{
Debug.Assert(methodIL.GetMethodILDefinition() == methodIL);
Debug.Assert(owningMethod.HasInstantiation || owningMethod.OwningType.HasInstantiation);
Debug.Assert(owningMethod.GetTypicalMethodDefinition() == methodIL.OwningMethod);
_methodIL = methodIL;
_method = owningMethod;
_typeInstantiation = owningMethod.OwningType.Instantiation;
_methodInstantiation = owningMethod.Instantiation;
}
public InstantiatedMethodIL(MethodDesc owningMethod, MethodIL methodIL)
{
Debug.Assert(methodIL.GetMethodILDefinition() == methodIL);
Debug.Assert(owningMethod.HasInstantiation || owningMethod.OwningType.HasInstantiation);
Debug.Assert(owningMethod.GetTypicalMethodDefinition() == methodIL.OwningMethod);
_methodIL = methodIL;
_method = owningMethod;
_typeInstantiation = owningMethod.OwningType.Instantiation;
_methodInstantiation = owningMethod.Instantiation;
}
public ILImporter(ILScanner compilation, MethodDesc method, MethodIL methodIL = null)
{
if (methodIL == null)
{
methodIL = compilation.GetMethodIL(method);
}
else
{
_isFallbackBodyCompilation = true;
}
// This is e.g. an "extern" method in C# without a DllImport or InternalCall.
if (methodIL == null)
{
ThrowHelper.ThrowInvalidProgramException(ExceptionStringID.InvalidProgramSpecific, method);
}
_compilation = compilation;
_factory = (ILScanNodeFactory)compilation.NodeFactory;
_ilBytes = methodIL.GetILBytes();
_canonMethodIL = methodIL;
// Get the runtime determined method IL so that this works right in shared code
// and tokens in shared code resolve to runtime determined types.
MethodIL uninstantiatiedMethodIL = methodIL.GetMethodILDefinition();
if (methodIL != uninstantiatiedMethodIL)
{
MethodDesc sharedMethod = method.GetSharedRuntimeFormMethodTarget();
_methodIL = new InstantiatedMethodIL(sharedMethod, uninstantiatiedMethodIL);
}
else
{
_methodIL = methodIL;
}
_canonMethod = method;
var ilExceptionRegions = methodIL.GetExceptionRegions();
_exceptionRegions = new ExceptionRegion[ilExceptionRegions.Length];
for (int i = 0; i < ilExceptionRegions.Length; i++)
{
_exceptionRegions[i] = new ExceptionRegion()
{
ILRegion = ilExceptionRegions[i]
};
}
}