private static void EmitArgsToTuple(FunctionDefinition fd, CodeGen icg, SignatureInfo sigInfo, int cnt)
{
if ((fd.Flags & FunctionAttributes.ArgumentList) != 0) {
// transform params object[] into tuple on call...
LocalBuilder lb = icg.DeclareLocal(typeof(object));
Slot argsSlot = new LocalSlot(lb, icg);
int index;
if ((fd.Flags & FunctionAttributes.KeywordDictionary) != 0) {
index = sigInfo.ParamNames.Length - 2;
icg.EmitArgGet(cnt - 2);
} else {
index = sigInfo.ParamNames.Length - 1;
icg.EmitArgGet(cnt - 1);
}
icg.EmitCall(typeof(Tuple), "MakeTuple");
argsSlot.EmitSet(icg);
lb.SetLocalSymInfo(sigInfo.ParamNames[index].GetString());
icg.Names.SetSlot(sigInfo.ParamNames[index], argsSlot);
}
}
/// <summary>
/// Propagates the module field to the inner type, or runs the
/// module initialization if it hasn't already been run.
/// </summary>
private void EmitModuleInitialization(TypeGen newType, CodeGen classInit)
{
Debug.Assert(classInit != null);
Label noModule = classInit.DefineLabel();
Label done = classInit.DefineLabel();
outerScope.moduleSlot.EmitGet(classInit);
classInit.Emit(OpCodes.Ldnull);
classInit.Emit(OpCodes.Beq, noModule);
outerScope.moduleSlot.EmitGet(classInit);
newType.moduleSlot.EmitSet(classInit);
classInit.Emit(OpCodes.Br, done);
classInit.MarkLabel(noModule);
// module slot is un-initialized, we must
// have been reloaded by some .NET code.
// We'll create a new module now.
Slot instance = new LocalSlot(classInit.DeclareLocal(outerScope.myType), classInit);
List<string> refs = null;
if (RemoteCompiler.Instance != null) {
refs = new List<string>(RemoteCompiler.Instance.References.Count);
for (int i = 0; i < RemoteCompiler.Instance.References.Count; i++) {
string refName = RemoteCompiler.Instance.References[i];
if (refName.ToLower().EndsWith(".dll"))
refName = refName.Substring(0, refName.Length - 4);
if (refName.IndexOf('\\') != -1) {
refs.Add(refName.Substring(refName.LastIndexOf('\\') + 1));
} else
refs.Add(refName);
}
}
OutputGenerator.EmitModuleConstruction(outerScope, classInit, outerScope.myType.Name, instance, refs);
// module ctor leaves PythonModule on the stack.
classInit.Emit(OpCodes.Dup);
// store the new module in both locations
outerScope.moduleSlot.EmitSet(classInit);
newType.moduleSlot.EmitSet(classInit);
// and finally run the modules initialize method
instance.EmitGet(classInit);
classInit.EmitCall(moduleInit.MethodInfo);
classInit.MarkLabel(done);
}
/// <summary>
/// Generates a static entry point for stand-alone EXEs. We just new up our module dstructure
/// and then call into Ops to get running.
/// </summary>
internal static CodeGen GenerateModuleEntryPoint(TypeGen tg, CodeGen init, string moduleName, IList<string> referencedAssemblies)
{
CodeGen main = tg.DefineMethod(MethodAttributes.Static | MethodAttributes.Public, "Main", typeof(int), Type.EmptyTypes, new string[] { });
main.SetCustomAttribute(new CustomAttributeBuilder(typeof(STAThreadAttribute).GetConstructor(Type.EmptyTypes), Ops.EMPTY));
// leaves our module instance on the stack, we save it to create the delegate.
Slot instance = new LocalSlot(main.DeclareLocal(tg.myType), main);
// notify the PythonEngine of the module.
EmitModuleConstruction(tg, main, moduleName, instance, referencedAssemblies);
main.Emit(OpCodes.Pop); // we don't care about the PythonModule.
// Emit the delegate to the init method (init)
main.EmitDelegate(init, typeof(InitializeModule), instance);
// Call ExecuteCompiled
main.EmitCall(typeof(Ops), "ExecuteCompiled", ExecuteCompiledSignature);
main.EmitReturn();
return main;
}
