private IlProgram RunInternal(Method entryPoint, IReadOnlyList <Method> methods)
{
var callTree = CallTree.Create(entryPoint, methods);
var ilMethods = LinkMethods(InstructionFacts.SizeProgramHeader, callTree);
var labelTable = _labelTableBuilder.Build();
var methodTable = _methodTableBuilder.Build();
if (_entryPoint is null)
{
throw new VmrException("Entry point not found by linker.");
}
return(new IlProgram(_entryPoint, ilMethods, labelTable.GetTargets(), labelTable.GetNames(), methodTable.GetNames(), _comments));
}
private IReadOnlyList <IlMethod> LinkMethods(int startAddress, CallTree callTree)
{
var result = new List <IlMethod>();
var methods = callTree.Flatten().Select(m => m.Method).OrderBy(m => m.Order).ToList();
GetMethodAddressLookup(_methodTableBuilder, startAddress, methods);
foreach (var method in methods)
{
var address = _methodTableBuilder.Targets[method.Name];
var methdoBodyAddress = address.Value + InstructionFacts.SizeOfMethodHeader;
var ilObjects = LinkNodes(methdoBodyAddress, method.Nodes);
var ilMethod = new IlMethod(address, method.Args, ilObjects);
if (method.IsEntryPoint)
{
_entryPoint = ilMethod.Address;
}
result.Add(ilMethod);
}
return(result);