private static void CreateStaticInitializer(TypeBuilder tb, List <ProxyMethod> methods)
{
ConstructorBuilder cb = tb.DefineConstructor(MethodAttributes.Static, CallingConventions.Standard, Type.EmptyTypes);
CodeEmitter ilgen = CodeEmitter.Create(cb);
CodeEmitterLocal callerID = ilgen.DeclareLocal([email protected]);
TypeBuilder tbCallerID = DynamicTypeWrapper.FinishContext.EmitCreateCallerID(tb, ilgen);
ilgen.Emit(OpCodes.Stloc, callerID);
// HACK we shouldn't create the nested type here (the outer type must be created first)
tbCallerID.CreateType();
ilgen.BeginExceptionBlock();
foreach (ProxyMethod method in methods)
{
method.mw.DeclaringType.EmitClassLiteral(ilgen);
ilgen.Emit(OpCodes.Ldstr, method.mw.Name);
TypeWrapper[] parameters = method.mw.GetParameters();
ilgen.Emit(OpCodes.Ldc_I4, parameters.Length);
ilgen.Emit(OpCodes.Newarr, CoreClasses.java.lang.Class.Wrapper.TypeAsArrayType);
for (int i = 0; i < parameters.Length; i++)
{
ilgen.Emit(OpCodes.Dup);
ilgen.Emit(OpCodes.Ldc_I4, i);
parameters[i].EmitClassLiteral(ilgen);
ilgen.Emit(OpCodes.Stelem_Ref);
}
if (javaLangClass_getMethod.HasCallerID)
{
ilgen.Emit(OpCodes.Ldloc, callerID);
}
javaLangClass_getMethod.EmitCallvirt(ilgen);
ilgen.Emit(OpCodes.Stsfld, method.fb);
}
CodeEmitterLabel label = ilgen.DefineLabel();
ilgen.Emit(OpCodes.Leave_S, label);
ilgen.BeginCatchBlock(javaLangNoSuchMethodException.TypeAsExceptionType);
javaLangThrowable_getMessage.EmitCallvirt(ilgen);
javaLangNoClassDefFoundErrorConstructor.EmitNewobj(ilgen);
ilgen.Emit(OpCodes.Throw);
ilgen.EndExceptionBlock();
ilgen.MarkLabel(label);
ilgen.Emit(OpCodes.Ret);
ilgen.DoEmit();
}
internal override void Generate(CodeGenContext context, CodeEmitter ilgen)
{
ilgen.BeginExceptionBlock();
@try.Generate(context, ilgen);
if(@catch != null)
{
Type type;
if(@catch.type != null)
{
type = StaticCompiler.GetTypeForMapXml(context.ClassLoader, @catch.type);
}
else
{
type = context.ClassLoader.LoadClassByDottedName(@catch.Class).TypeAsExceptionType;
}
ilgen.BeginCatchBlock(type);
@catch.Generate(context, ilgen);
}
if(@finally != null)
{
ilgen.BeginFinallyBlock();
@finally.Generate(context, ilgen);
}
ilgen.EndExceptionBlock();
}
private static void CreateMethod(CompilerClassLoader loader, TypeBuilder tb, ProxyMethod pm)
{
MethodBuilder mb = pm.mw.GetDefineMethodHelper().DefineMethod(loader.GetTypeWrapperFactory(), tb, pm.mw.Name, MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.Final);
List <string> exceptions = new List <string>();
foreach (TypeWrapper tw in pm.exceptions)
{
exceptions.Add(tw.Name);
}
AttributeHelper.SetThrowsAttribute(mb, exceptions.ToArray());
CodeEmitter ilgen = CodeEmitter.Create(mb);
ilgen.BeginExceptionBlock();
ilgen.Emit(OpCodes.Ldarg_0);
invocationHandlerField.EmitGet(ilgen);
ilgen.Emit(OpCodes.Ldarg_0);
ilgen.Emit(OpCodes.Ldsfld, pm.fb);
TypeWrapper[] parameters = pm.mw.GetParameters();
if (parameters.Length == 0)
{
ilgen.Emit(OpCodes.Ldnull);
}
else
{
ilgen.EmitLdc_I4(parameters.Length);
ilgen.Emit(OpCodes.Newarr, Types.Object);
for (int i = 0; i < parameters.Length; i++)
{
ilgen.Emit(OpCodes.Dup);
ilgen.EmitLdc_I4(i);
ilgen.EmitLdarg(i);
if (parameters[i].IsNonPrimitiveValueType)
{
parameters[i].EmitBox(ilgen);
}
else if (parameters[i].IsPrimitive)
{
Boxer.EmitBox(ilgen, parameters[i]);
}
ilgen.Emit(OpCodes.Stelem_Ref);
}
}
invokeMethod.EmitCallvirt(ilgen);
TypeWrapper returnType = pm.mw.ReturnType;
CodeEmitterLocal returnValue = null;
if (returnType != PrimitiveTypeWrapper.VOID)
{
returnValue = ilgen.DeclareLocal(returnType.TypeAsSignatureType);
if (returnType.IsNonPrimitiveValueType)
{
returnType.EmitUnbox(ilgen);
}
else if (returnType.IsPrimitive)
{
Boxer.EmitUnbox(ilgen, returnType);
}
else if (returnType != CoreClasses.java.lang.Object.Wrapper)
{
ilgen.EmitCastclass(returnType.TypeAsSignatureType);
}
ilgen.Emit(OpCodes.Stloc, returnValue);
}
CodeEmitterLabel returnLabel = ilgen.DefineLabel();
ilgen.EmitLeave(returnLabel);
// TODO consider using a filter here (but we would need to add filter support to CodeEmitter)
ilgen.BeginCatchBlock(Types.Exception);
ilgen.EmitLdc_I4(0);
ilgen.Emit(OpCodes.Call, ByteCodeHelperMethods.mapException.MakeGenericMethod(Types.Exception));
CodeEmitterLocal exception = ilgen.DeclareLocal(Types.Exception);
ilgen.Emit(OpCodes.Stloc, exception);
CodeEmitterLabel rethrow = ilgen.DefineLabel();
ilgen.Emit(OpCodes.Ldloc, exception);
errorClass.EmitInstanceOf(ilgen);
ilgen.EmitBrtrue(rethrow);
ilgen.Emit(OpCodes.Ldloc, exception);
runtimeExceptionClass.EmitInstanceOf(ilgen);
ilgen.EmitBrtrue(rethrow);
foreach (TypeWrapper tw in pm.exceptions)
{
ilgen.Emit(OpCodes.Ldloc, exception);
tw.EmitInstanceOf(ilgen);
ilgen.EmitBrtrue(rethrow);
}
ilgen.Emit(OpCodes.Ldloc, exception);
undeclaredThrowableExceptionConstructor.EmitNewobj(ilgen);
ilgen.Emit(OpCodes.Throw);
ilgen.MarkLabel(rethrow);
ilgen.Emit(OpCodes.Rethrow);
ilgen.EndExceptionBlock();
ilgen.MarkLabel(returnLabel);
if (returnValue != null)
{
ilgen.Emit(OpCodes.Ldloc, returnValue);
}
ilgen.Emit(OpCodes.Ret);
ilgen.DoEmit();
}