public void TestDifferentPathsGeneric()
{
var assembly = AssemblyBuilder.DefineDynamicAssembly(new AssemblyName(Guid.NewGuid().ToString()), AssemblyBuilderAccess.Run);
var module = assembly.DefineDynamicModule(Guid.NewGuid().ToString());
var type = module.DefineType("Zzz", TypeAttributes.Class | TypeAttributes.Public);
var method = type.DefineMethod("Qzz", MethodAttributes.Public | MethodAttributes.Static);
var genericParameters = method.DefineGenericParameters("TZzz");
var parameter = genericParameters[0];
method.SetParameters(typeof(bool), typeof(C1 <>).MakeGenericType(parameter), typeof(C2 <>).MakeGenericType(parameter));
method.SetReturnType(typeof(void));
using (var il = new GroboIL(method))
{
il.Ldarg(0);
var label1 = il.DefineLabel("L1");
il.Brfalse(label1);
il.Ldarg(1);
var label2 = il.DefineLabel("L2");
il.Br(label2);
il.MarkLabel(label1);
il.Ldarg(2);
il.MarkLabel(label2);
il.Dup();
il.Call(HackHelpers.GetMethodDefinition <I1 <int> >(x => F1(x)).GetGenericMethodDefinition().MakeGenericMethod(parameter));
il.Call(HackHelpers.GetMethodDefinition <I2 <int> >(x => F2(x)).GetGenericMethodDefinition().MakeGenericMethod(parameter));
il.Ret();
Console.Write(il.GetILCode());
}
}
public static Func <Dictionary <string, object>, object> GenerateMethod(Type type)
{
var da = AppDomain.CurrentDomain.DefineDynamicAssembly(
new AssemblyName("dyn"), // call it whatever you want
AssemblyBuilderAccess.RunAndSave);
var dm = da.DefineDynamicModule("dyn_mod", "dyn.dll");
var dt = dm.DefineType("dyn_type");
var emiter = Emit <Func <int> > .NewDynamicMethod("MyMethod");
var method = dt.DefineMethod(
"Foo",
MethodAttributes.Public | MethodAttributes.Static, typeof(object),
new[] { typeof(Dictionary <string, object>) });
method.DefineParameter(1, ParameterAttributes.None, "dictionary");
using (var il = new GroboIL(method))
{
var target = il.DeclareLocal(type);
var value = il.DeclareLocal(typeof(object));
il.Newobj(type.GetConstructor(Type.EmptyTypes)); // [Person]
il.Stloc(target); // []
foreach (var property in type.GetProperties())
{
var label = il.DefineLabel("ifLabel");
il.Ldarg(0); // [Dictionary<String, Object>]
il.Ldstr(property.Name); // [Dictionary<String, Object>, String]
il.Ldloca(value); // [Dictionary<String, Object>, String, Object&]
il.Call(typeof(Dictionary <string, object>)
.GetMethod("TryGetValue")); // [Boolean]
il.Brfalse(label); // []
il.Ldloc(target); // [Person]
il.Ldloc(value); // [Person, Object]
il.Castclass(typeof(string)); // [Dictionary<String, Object>, String]
il.Call(property.GetSetMethod(true)); // []
il.MarkLabel(label);
}
il.Ldloc(target);
il.Ret();
Console.WriteLine(il.GetILCode());
}
dt.CreateType();
da.Save("dyn.dll");
return((dic) => dt.GetMethod("Foo").Invoke(null, new object[] { dic }));
}
private static Func <MethodBase, DynamicMethod> EmitTryCastToDynamicMethod()
{
var method = new DynamicMethod(Guid.NewGuid().ToString(), typeof(DynamicMethod), new[] { typeof(MethodBase) }, typeof(string), true);
using (var il = new GroboIL(method))
{
var RTDynamicMethod_t = typeof(DynamicMethod).GetNestedType("RTDynamicMethod", BindingFlags.NonPublic);
if (RTDynamicMethod_t == null)
{
throw new InvalidOperationException("Missing type 'System.Reflection.Emit.DynamicMethod.RTDynamicMethod'");
}
il.Ldarg(0); // stack: [method]
il.Isinst(RTDynamicMethod_t); // stack: [method as RTDynamicMethod]
il.Dup(); // stack: [method as RTDynamicMethod, method as RTDynamicMethod]
var retLabel = il.DefineLabel("ret");
il.Brfalse(retLabel); // if(!(method is RTDynamicMethod)] goto ret; stack: [method as RTDynamicMethod]
var m_owner_f = RTDynamicMethod_t.GetField("m_owner", BindingFlags.Instance | BindingFlags.NonPublic);
if (m_owner_f == null)
{
throw new InvalidOperationException("Missing field 'System.Reflection.Emit.DynamicMethod.RTDynamicMethod.m_owner'");
}
il.Ldfld(m_owner_f); // stack: [((RTDynamicMethod)method).m_owner]
il.MarkLabel(retLabel);
il.Ret();
}
return((Func <MethodBase, DynamicMethod>)method.CreateDelegate(typeof(Func <MethodBase, DynamicMethod>)));
}
private static void EmitStatic(GroboIL il, MethodInfo getMethod, MethodInfo staticMethod, GroboIL.Label returnFalse)
{
// Equals(a.Property, b.Property)
il.Ldarg(0);
il.Call(getMethod);
il.Ldarg(1);
il.Call(getMethod);
il.Call(staticMethod);
il.Brfalse(returnFalse);
}
public void BuildSizeCounter(SizeCounterBuilderContext sizeCounterBuilderContext)
{
var method = new DynamicMethod("Count_" + Type.Name + "_" + Guid.NewGuid(), typeof(int), new[] { Type, typeof(bool), typeof(WriterContext) }, sizeCounterBuilderContext.Module, true);
sizeCounterBuilderContext.SetSizeCounterMethod(Type, method);
using (var il = new GroboIL(method))
{
var context = new SizeCounterMethodBuilderContext(sizeCounterBuilderContext, il);
var notEmptyLabel = il.DefineLabel("notEmpty");
if (CheckEmpty(context, notEmptyLabel)) // Check if obj is empty
{
context.ReturnForNull(); // return for null
}
il.MarkLabel(notEmptyLabel); // Now we know that obj is not empty
if (!Type.IsValueType && IsReference && sizeCounterBuilderContext.GroBufWriter.Options.HasFlag(GroBufOptions.PackReferences))
{
// Pack reference
var index = il.DeclareLocal(typeof(int));
context.LoadContext(); // stack: [context]
il.Dup(); // stack: [context, context]
il.Ldfld(WriterContext.IndexField); // stack: [context, context.index]
il.Stloc(index); // index = context.index; stack: [context]
il.Ldfld(WriterContext.ObjectsField); // stack: [context.objects]
context.LoadObj(); // stack: [context.objects, obj]
il.Call(HackHelpers.GetMethodDefinition <Dictionary <object, int> >(dict => dict.ContainsKey(null))); // stack: [context.object.ContainsKey(obj)]
var storeLocationLabel = il.DefineLabel("storeLocation");
il.Brfalse(storeLocationLabel); // if(!context.objects.ContainsKey(obj)) goto storeLocation; stack: []
context.LoadContext(); // stack: [context]
il.Dup(); // stack: [context, context]
il.Ldfld(WriterContext.ReferencesField); // stack: [context, context.references]
il.Ldc_I4(1); // stack: [context, context.references, 1]
il.Add(); // stack: [context, context.references + 1]
il.Stfld(WriterContext.ReferencesField); // context.references += 1; stack: []
il.Ldc_I4(5); // stack: [5]
il.Ret(); // return 5
il.MarkLabel(storeLocationLabel);
context.LoadContext(); // stack: [context]
il.Ldfld(typeof(WriterContext).GetField("objects", BindingFlags.Public | BindingFlags.Instance)); // stack: [context.objects]
context.LoadObj(); // stack: [context.objects, obj]
il.Ldloc(index); // stack: [context.objects, obj, index]
il.Call(HackHelpers.GetMethodDefinition <Dictionary <object, int> >(dict => dict.Add(null, 0))); // context.objects.Add(obj, index);
}
CountSizeNotEmpty(context); // Count size
il.Ret();
}
var @delegate = method.CreateDelegate(typeof(SizeCounterDelegate <>).MakeGenericType(Type));
var pointer = GroBufHelpers.ExtractDynamicMethodPointer(method);
sizeCounterBuilderContext.SetSizeCounterPointer(Type, pointer, @delegate);
}
public void TestLabelHasNotBeenMarked()
{
var method = new DynamicMethod(Guid.NewGuid().ToString(), typeof(void), Type.EmptyTypes, typeof(string), true);
var il = new GroboIL(method);
var label = il.DefineLabel("L");
il.Ldc_I4(0);
il.Brfalse(label);
il.Ret();
var e = Assert.Throws <InvalidOperationException>(il.Dispose);
Assert.AreEqual("The label 'L_0' has not been marked", e.Message);
}
private static void EmitInstance(GroboIL il, MethodInfo getMethod, MethodInfo instanceMethod, GroboIL.Label returnFalse)
{
// a.Property.Equals(b.Property)
var type = getMethod.ReturnType;
var local = il.DeclareLocal(type);
il.Ldarg(0);
il.Call(getMethod);
il.Stloc(local);
il.Ldloca(local);
il.Ldarg(1);
il.Call(getMethod);
il.Call(instanceMethod, type);
il.Brfalse(returnFalse);
}
private static void EmitNullableEquals(GroboIL il, MethodInfo getMethod, GroboIL.Label returnFalse)
{
// a.Equals(b)
var type = getMethod.ReturnType;
var local = il.DeclareLocal(type);
il.Ldarg(0);
il.Call(getMethod);
il.Stloc(local);
il.Ldloca(local);
il.Ldarg(1);
il.Call(getMethod);
il.Box(type);
il.Call(ObjectEquals, type);
il.Brfalse(returnFalse);
}
public void TestLabelHasBeenMarkedTwice()
{
var method = new DynamicMethod(Guid.NewGuid().ToString(), typeof(void), Type.EmptyTypes, typeof(string), true);
var il = new GroboIL(method);
var label = il.DefineLabel("L");
il.Ldc_I4(0);
il.Brfalse(label);
il.Ldc_I4(1);
il.Pop();
il.MarkLabel(label);
il.Ldc_I4(2);
il.Pop();
var e = Assert.Throws <InvalidOperationException>(() => il.MarkLabel(label));
Assert.AreEqual("The label 'L_0' has already been marked", e.Message);
}
public void TestBrfalse()
{
var method = new DynamicMethod(Guid.NewGuid().ToString(), typeof(void), new[] { typeof(C2) }, typeof(string), true);
using (var il = new GroboIL(method))
{
il.Ldarg(0);
il.Dup();
var label = il.DefineLabel("L");
il.Brfalse(label);
il.Call(HackHelpers.GetMethodDefinition <I1>(x => x.GetI2()));
il.MarkLabel(label);
il.Call(HackHelpers.GetMethodDefinition <int>(x => F2(null)));
il.Ret();
Console.WriteLine(il.GetILCode());
}
}
protected override bool EmitInternal(UnaryExpression node, EmittingContext context, GroboIL.Label returnDefaultValueLabel, ResultType whatReturn, bool extend, out Type resultType)
{
if (node.Type != typeof(bool) && node.Type != typeof(bool?))
{
return(ExpressionEmittersCollection.Emit(Expression.OnesComplement(node.Operand, node.Method), context, returnDefaultValueLabel, whatReturn, extend, out resultType));
}
GroboIL il = context.Il;
if (node.Method != null)
{
throw new NotSupportedException("Custom operator '" + node.NodeType + "' is not supported");
}
var operand = node.Operand;
context.EmitLoadArgument(operand, false, out resultType);
if (resultType == typeof(bool))
{
il.Ldc_I4(1);
il.Xor();
}
else if (resultType == typeof(bool?))
{
using (var value = context.DeclareLocal(typeof(bool?)))
{
il.Stloc(value);
il.Ldloca(value);
context.EmitHasValueAccess(typeof(bool?));
var returnLabel = il.DefineLabel("return");
il.Brfalse(returnLabel);
il.Ldloca(value);
context.EmitValueAccess(typeof(bool?));
il.Ldc_I4(1);
il.Xor();
il.Newobj(nullableBoolConstructor);
il.Stloc(value);
context.MarkLabelAndSurroundWithSP(returnLabel);
il.Ldloc(value);
}
}
else
{
throw new InvalidOperationException("Cannot perform '" + node.NodeType + "' operator on type '" + resultType + "'");
}
return(false);
}
public void TestDifferentStructs()
{
var method = new DynamicMethod(Guid.NewGuid().ToString(), typeof(void), new[] { typeof(int) }, typeof(Test));
var il = new GroboIL(method);
var loc1 = il.DeclareLocal(typeof(int?));
var loc2 = il.DeclareLocal(typeof(Qxx?));
var label1 = il.DefineLabel("zzz");
il.Ldarg(0);
il.Brfalse(label1);
il.Ldloc(loc1);
var label2 = il.DefineLabel("qxx");
il.Br(label2);
il.MarkLabel(label1);
il.Ldloc(loc2);
Assert.Throws <InvalidOperationException>(() => il.MarkLabel(label2));
}
protected override bool EmitInternal(TypeBinaryExpression node, EmittingContext context, GroboIL.Label returnDefaultValueLabel, ResultType whatReturn, bool extend, out Type resultType)
{
bool result;
GroboIL il = context.Il;
if (!node.Expression.Type.IsAssignableFrom(node.TypeOperand))
{
il.Ldc_I4(0);
result = false;
}
else if (node.Expression.Type == node.TypeOperand && node.TypeOperand.IsValueType)
{
il.Ldc_I4(1);
result = false;
}
else
{
Type operandType;
result = ExpressionEmittersCollection.Emit(node.Expression, context, returnDefaultValueLabel, ResultType.Value, extend, out operandType);
if (operandType.IsValueType)
{
using (var temp = context.DeclareLocal(operandType))
{
il.Stloc(temp);
il.Ldloca(temp);
}
}
var returnFalseLabel = il.DefineLabel("returnFalse");
il.Dup();
il.Brfalse(returnFalseLabel);
il.Call(typeof(object).GetMethod("GetType"), operandType);
il.Ldtoken(node.TypeOperand);
il.Call(typeof(Type).GetMethod("GetTypeFromHandle"));
il.Ceq();
var doneLabel = il.DefineLabel("done");
il.Br(doneLabel);
context.MarkLabelAndSurroundWithSP(returnFalseLabel);
il.Pop();
il.Ldc_I4(0);
context.MarkLabelAndSurroundWithSP(doneLabel);
}
resultType = typeof(bool);
return(result);
}
private Func <string, string> BuildSwitch4()
{
Init(new[] { "0", "2", "5", "1000001", "7", "1000000" });
var dynamicMethod = new DynamicMethod(Guid.NewGuid().ToString(), MethodAttributes.Public | MethodAttributes.Static, CallingConventions.Standard, typeof(string), new[] { typeof(string) }, Module, true);
using (var il = new GroboIL(dynamicMethod))
{
var zzzLabel = il.DefineLabel("zzz");
var qxxLabel = il.DefineLabel("qxx");
var qzzLabel = il.DefineLabel("qzz");
var xxxLabel = il.DefineLabel("xxx");
var index = il.DeclareLocal(typeof(uint));
il.Ldfld(typeof(TestPerformance).GetField("testValues2"));
il.Ldarg(0);
il.Call(typeof(object).GetMethod("GetHashCode"), typeof(string));
il.Ldc_I4(testValues2.Length);
il.Rem(true);
il.Stloc(index);
il.Ldloc(index);
il.Ldelem(typeof(string));
il.Ldarg(0);
il.Call(typeof(object).GetMethod("Equals", new[] { typeof(object) }), typeof(string));
il.Brfalse(xxxLabel);
il.Ldfld(typeof(TestPerformance).GetField("indexes2"));
il.Ldloc(index);
il.Ldelem(typeof(int));
il.Switch(zzzLabel, zzzLabel, qxxLabel, qxxLabel, qzzLabel, qzzLabel);
il.Br(xxxLabel);
il.MarkLabel(zzzLabel);
il.Ldstr("zzz");
il.Ret();
il.MarkLabel(qxxLabel);
il.Ldstr("qxx");
il.Ret();
il.MarkLabel(qzzLabel);
il.Ldstr("qzz");
il.Ret();
il.MarkLabel(xxxLabel);
il.Ldstr("xxx");
il.Ret();
}
return((Func <string, string>)dynamicMethod.CreateDelegate(typeof(Func <string, string>)));
}
public void TestZ2()
{
var method = new DynamicMethod(Guid.NewGuid().ToString(), typeof(A), new[] { typeof(bool), typeof(B), typeof(C) }, typeof(Test));
using (var il = new GroboIL(method))
{
il.Ldarg(0);
var label1 = il.DefineLabel("label");
il.Brfalse(label1);
il.Ldarg(1);
var label2 = il.DefineLabel("label");
il.Br(label2);
il.MarkLabel(label1);
il.Ldarg(2);
il.MarkLabel(label2);
il.Ret();
Console.Write(il.GetILCode());
}
}
private static Func <object, object> EmitResolveVarArgsMethod()
{
var method = new DynamicMethod(Guid.NewGuid().ToString(), typeof(object), new[] { typeof(object) }, typeof(string), true);
using (var il = new GroboIL(method))
{
var VarArgMethod_t = typeof(DynamicMethod).Assembly.GetType("System.Reflection.Emit.VarArgMethod");
if (VarArgMethod_t == null)
{
throw new InvalidOperationException("Missing type 'System.Reflection.Emit.VarArgMethod'");
}
il.Ldarg(0); // stack: [value]
il.Isinst(VarArgMethod_t); // stack: [(VarArgMethod)value]
var retLabel = il.DefineLabel("ret");
il.Dup(); // stack: [(VarArgMethod)value, (VarArgMethod)value]
il.Brfalse(retLabel); // if(!(value is VarArgMethod)) goto ret; stack: [value as VarArgMethod]
var m_method_f = VarArgMethod_t.GetField("m_method", BindingFlags.Instance | BindingFlags.NonPublic);
if (m_method_f == null)
{
throw new InvalidOperationException("Missing field 'System.Reflection.Emit.VarArgMethod.m_method'");
}
var m_dynamicMethod_f = VarArgMethod_t.GetField("m_dynamicMethod", BindingFlags.Instance | BindingFlags.NonPublic);
if (m_dynamicMethod_f == null)
{
throw new InvalidOperationException("Missing field 'System.Reflection.Emit.VarArgMethod.m_dynamicMethod'");
}
var temp = il.DeclareLocal(VarArgMethod_t);
il.Dup();
il.Stloc(temp); // temp = (VarArgMethod)value; stack: [(VarArgMethod)value]
il.Ldfld(m_method_f); // stack: [((VarArgMethod)value).m_method]
il.Dup(); // stack: [((VarArgMethod)value).m_method, ((VarArgMethod)value).m_method]
il.Brtrue(retLabel); // if(((VarArgMethod)value).m_method != null) goto ret; stack: [((VarArgMethod)value).m_method]
il.Pop(); // stack: []
il.Ldloc(temp); // stack: [(VarArgMethod)value]
il.Ldfld(m_dynamicMethod_f); // stack: [((VarArgMethod)value).m_dynamicMethod]
il.MarkLabel(retLabel);
il.Ret();
}
return((Func <object, object>)method.CreateDelegate(typeof(Func <object, object>)));
}
private IQxx BuildIfs(ModuleBuilder module, string[] keys)
{
var numberOfCases = keys.Length;
var typeBuilder = module.DefineType("Ifs" + Guid.NewGuid(), TypeAttributes.Class | TypeAttributes.Public);
typeBuilder.AddInterfaceImplementation(typeof(IQxx));
var fields = new FieldInfo[numberOfCases];
for (var i = 0; i < numberOfCases; ++i)
{
fields[i] = typeBuilder.DefineField(keys[i], typeof(int), FieldAttributes.Public);
}
var method = typeBuilder.DefineMethod("Set", MethodAttributes.Public | MethodAttributes.Virtual, typeof(void), new[] { typeof(string), typeof(int) });
method.DefineParameter(1, ParameterAttributes.In, "key");
method.DefineParameter(2, ParameterAttributes.In, "value");
using (var il = new GroboIL(method))
{
var doneLabel = il.DefineLabel("done");
for (var i = 0; i < numberOfCases; ++i)
{
il.Ldarg(1); // stack: [key]
il.Ldstr(keys[i]); // stack: [key, keys[i]]
il.Call(stringEqualityOperator); // stack: [key == keys[i]]
var nextKeyLabel = il.DefineLabel("nextKey");
il.Brfalse(nextKeyLabel); // if(key != keys[i]) goto nextKey; stack: []
il.Ldarg(0);
il.Ldarg(2);
il.Stfld(fields[i]);
il.Br(doneLabel);
il.MarkLabel(nextKeyLabel);
}
il.MarkLabel(doneLabel);
il.Ret();
}
typeBuilder.DefineMethodOverride(method, typeof(IQxx).GetMethod("Set"));
var type = typeBuilder.CreateType();
return((IQxx)Activator.CreateInstance(type));
}
private static Func <object, object> EmitResolveGenericMethodInfo()
{
var method = new DynamicMethod(Guid.NewGuid().ToString(), typeof(object), new[] { typeof(object) }, typeof(string), true);
using (var il = new GroboIL(method))
{
var GenericMethodInfo_t = typeof(DynamicMethod).Assembly.GetType("System.Reflection.Emit.GenericMethodInfo");
if (GenericMethodInfo_t == null)
{
throw new InvalidOperationException("Missing type 'System.Reflection.Emit.GenericMethodInfo'");
}
il.Ldarg(0); // stack: [value]
il.Isinst(GenericMethodInfo_t); // stack: [(GenericMethodInfo)value]
var retLabel = il.DefineLabel("ret");
il.Dup(); // stack: [(GenericMethodInfo)value, (GenericMethodInfo)value]
il.Brfalse(retLabel); // if(!(value is GenericMethodInfo)) goto ret; stack: [value as GenericMethodInfo]
var m_methodHandle_f = GenericMethodInfo_t.GetField("m_methodHandle", BindingFlags.Instance | BindingFlags.NonPublic);
if (m_methodHandle_f == null)
{
throw new InvalidOperationException("Missing field 'System.Reflection.Emit.GenericMethodInfo.m_methodHandle'");
}
var m_context_f = GenericMethodInfo_t.GetField("m_context", BindingFlags.Instance | BindingFlags.NonPublic);
if (m_context_f == null)
{
throw new InvalidOperationException("Missing field 'System.Reflection.Emit.GenericMethodInfo.m_context'");
}
var temp = il.DeclareLocal(GenericMethodInfo_t);
il.Dup();
il.Stloc(temp); // temp = (GenericMethodInfo)value; stack: [(GenericMethodInfo)value]
il.Ldfld(m_methodHandle_f); // stack: [((GenericMethodInfo)value).m_methodHandle]
il.Ldloc(temp); // stack: [((GenericMethodInfo)value).m_methodHandle, (GenericMethodInfo)value]
il.Ldfld(m_context_f); // stack: [((GenericMethodInfo)value).m_methodHandle, ((GenericMethodInfo)value).m_context]
var getMethodFromHandle_m = HackHelpers.GetMethodDefinition <int>(x => MethodBase.GetMethodFromHandle(default(RuntimeMethodHandle), default(RuntimeTypeHandle)));
il.Call(getMethodFromHandle_m); // stack: [MethodBase.GetMethodFromHandle(((GenericMethodInfo)value).m_methodHandle, ((GenericMethodInfo)value).m_context)]
il.MarkLabel(retLabel);
il.Ret();
}
return((Func <object, object>)method.CreateDelegate(typeof(Func <object, object>)));
}
public static TryGetValueDelegate <T> Build <T>(string[] keys, T[] values)
{
var method = new DynamicMethod(Guid.NewGuid().ToString(), typeof(bool),
new[] { typeof(T[]), typeof(string), typeof(T).MakeByRefType() }, typeof(string), true);
using (var il = new GroboIL(method))
{
for (int i = 0; i < keys.Length; ++i)
{
il.Ldarg(1); // stack: [key]
il.Ldstr(keys[i]); // stack: [key, keys[i]]
var nextKeyLabel = il.DefineLabel("nextKey");
il.Call(stringEqualityOperator); // stack: [key == keys[i]]
il.Brfalse(nextKeyLabel); // if(key != keys[i]) goto nextKey; stack: []
il.Ldarg(2); // stack: [ref value]
il.Ldarg(0); // stack: [ref value, values]
il.Ldc_I4(i); // stack: [ref value, values, i]
il.Ldelem(typeof(T)); // stack: [ref value, values[i]]
il.Stind(typeof(T)); // value = values[i]; stack: []
il.Ldc_I4(1); // stack: [true]
il.Ret();
il.MarkLabel(nextKeyLabel);
}
il.Ldarg(2); // stack: [ref value]
if (typeof(T).IsValueType)
{
il.Initobj(typeof(T)); // value = default(T); stack: []
}
else
{
il.Ldnull(); // stack: [ref value, null]
il.Stind(typeof(T)); // value = null; stack: []
}
il.Ldc_I4(0); // stack: [false]
il.Ret();
}
return((TryGetValueDelegate <T>)method.CreateDelegate(typeof(TryGetValueDelegate <T>), values));
}
private static EnumParserDelegate EmitEnumParser()
{
var method = new DynamicMethod(Guid.NewGuid().ToString(), typeof(object), new[] { typeof(Type), typeof(string), typeof(bool) }, typeof(string), true);
var il = new GroboIL(method);
var enumResultType = typeof(Enum).GetNestedType("EnumResult", BindingFlags.NonPublic);
var enumResult = il.DeclareLocal(enumResultType);
il.Ldarg(0);
il.Ldarg(1);
il.Ldarg(2);
il.Ldloca(enumResult);
il.Call(typeof(Enum).GetMethod("TryParseEnum", BindingFlags.Static | BindingFlags.NonPublic));
var returnNullLabel = il.DefineLabel("returnNull");
il.Brfalse(returnNullLabel);
il.Ldloca(enumResult);
il.Ldfld(enumResultType.GetField("parsedEnum", BindingFlags.Instance | BindingFlags.NonPublic));
il.Ret();
il.MarkLabel(returnNullLabel);
il.Ldnull();
il.Ret();
return((EnumParserDelegate)method.CreateDelegate(typeof(EnumParserDelegate)));
}
public void TestDifferentPaths()
{
Console.WriteLine(Formatter.Format(typeof(Dictionary <string, int>).GetProperty("Values", BindingFlags.Public | BindingFlags.Instance).GetGetMethod()));
var method = new DynamicMethod(Guid.NewGuid().ToString(), typeof(void), new[] { typeof(bool), typeof(C1), typeof(C2) }, typeof(string), true);
using (var il = new GroboIL(method))
{
il.Ldarg(0);
var label1 = il.DefineLabel("L1");
il.Brfalse(label1);
il.Ldarg(1);
var label2 = il.DefineLabel("L2");
il.Br(label2);
il.MarkLabel(label1);
il.Ldarg(2);
il.MarkLabel(label2);
il.Dup();
il.Call(HackHelpers.GetMethodDefinition <I1>(x => F1(x)));
il.Call(HackHelpers.GetMethodDefinition <I2>(x => F2(x)));
il.Ret();
Console.Write(il.GetILCode());
}
var action = method.CreateDelegate(typeof(Action <bool, C1, C2>));
}
protected override bool EmitInternal(UnaryExpression node, EmittingContext context, GroboIL.Label returnDefaultValueLabel, ResultType whatReturn, bool extend, out Type resultType)
{
Type operandType;
var result = ExpressionEmittersCollection.Emit(node.Operand, context, returnDefaultValueLabel, ResultType.Value, extend, out operandType);
GroboIL il = context.Il;
if (node.NodeType == ExpressionType.IsTrue || node.NodeType == ExpressionType.IsFalse)
{
if (!operandType.IsNullable())
{
if (node.Method != null)
{
il.Call(node.Method);
}
else if (operandType == typeof(bool))
{
if (node.NodeType == ExpressionType.IsFalse)
{
il.Ldc_I4(1);
il.Xor();
}
}
else
{
throw new InvalidOperationException("Cannot perform operation '" + node.NodeType + "' to a type '" + operandType + "'");
}
}
else
{
using (var temp = context.DeclareLocal(operandType))
{
il.Stloc(temp);
il.Ldloca(temp);
context.EmitHasValueAccess(operandType);
var returnFalseLabel = il.DefineLabel("returnFalse");
il.Brfalse(returnFalseLabel);
il.Ldloca(temp);
context.EmitValueAccess(operandType);
if (node.Method != null)
{
il.Call(node.Method);
}
else if (operandType == typeof(bool?))
{
if (node.NodeType == ExpressionType.IsFalse)
{
il.Ldc_I4(1);
il.Xor();
}
}
else
{
throw new InvalidOperationException("Cannot perform operation '" + node.NodeType + "' to a type '" + operandType + "'");
}
var doneLabel = il.DefineLabel("done");
il.Br(doneLabel);
context.MarkLabelAndSurroundWithSP(returnFalseLabel);
il.Ldc_I4(0);
context.MarkLabelAndSurroundWithSP(doneLabel);
}
}
}
else
{
if (!operandType.IsNullable())
{
if (node.Method != null)
{
il.Call(node.Method);
}
else
{
if (operandType.IsStruct())
{
throw new InvalidOperationException("Cannot perform operation '" + node.NodeType + "' to a struct '" + operandType + "'");
}
switch (node.NodeType)
{
case ExpressionType.UnaryPlus:
break;
case ExpressionType.Negate:
il.Neg();
break;
case ExpressionType.NegateChecked:
using (var temp = context.DeclareLocal(operandType))
{
il.Stloc(temp);
il.Ldc_I4(0);
context.EmitConvert(typeof(int), operandType);
il.Ldloc(temp);
il.Sub_Ovf(operandType.Unsigned());
}
break;
case ExpressionType.Increment:
il.Ldc_I4(1);
context.EmitConvert(typeof(int), operandType);
il.Add();
break;
case ExpressionType.Decrement:
il.Ldc_I4(1);
context.EmitConvert(typeof(int), operandType);
il.Sub();
break;
case ExpressionType.OnesComplement:
il.Not();
break;
default:
throw new InvalidOperationException("Node type '" + node.NodeType + "' invalid at this point");
}
}
}
else
{
using (var temp = context.DeclareLocal(operandType))
{
il.Stloc(temp);
il.Ldloca(temp);
context.EmitHasValueAccess(operandType);
var returnNullLabel = il.DefineLabel("returnLabel");
il.Brfalse(returnNullLabel);
Type argumentType = operandType.GetGenericArguments()[0];
if (node.Method != null)
{
il.Ldloca(temp);
context.EmitValueAccess(operandType);
il.Call(node.Method);
}
else
{
switch (node.NodeType)
{
case ExpressionType.UnaryPlus:
il.Ldloca(temp);
context.EmitValueAccess(operandType);
break;
case ExpressionType.Negate:
il.Ldloca(temp);
context.EmitValueAccess(operandType);
il.Neg();
break;
case ExpressionType.NegateChecked:
il.Ldc_I4(0);
context.EmitConvert(typeof(int), argumentType);
il.Ldloca(temp);
context.EmitValueAccess(operandType);
il.Sub_Ovf(argumentType.Unsigned());
break;
case ExpressionType.Increment:
il.Ldloca(temp);
context.EmitValueAccess(operandType);
il.Ldc_I4(1);
context.EmitConvert(typeof(int), argumentType);
il.Add();
break;
case ExpressionType.Decrement:
il.Ldloca(temp);
context.EmitValueAccess(operandType);
il.Ldc_I4(1);
context.EmitConvert(typeof(int), argumentType);
il.Sub();
break;
case ExpressionType.OnesComplement:
il.Ldloca(temp);
context.EmitValueAccess(operandType);
il.Not();
break;
default:
throw new InvalidOperationException("Node type '" + node.NodeType + "' invalid at this point");
}
}
il.Newobj(operandType.GetConstructor(new[] { argumentType }));
var doneLabel = il.DefineLabel("done");
il.Br(doneLabel);
context.MarkLabelAndSurroundWithSP(returnNullLabel);
context.EmitLoadDefaultValue(operandType);
context.MarkLabelAndSurroundWithSP(doneLabel);
}
}
}
resultType = node.Type;
return(result);
}
public void TestZzz2()
{
var asm = AssemblyBuilder.DefineDynamicAssembly(new AssemblyName("foo"), AssemblyBuilderAccess.RunAndSave);
var mod = asm.DefineDynamicModule("mymod", "tmp.dll", true);
var type = mod.DefineType("baz", TypeAttributes.Public | TypeAttributes.Class);
var meth = type.DefineMethod("go", MethodAttributes.Public | MethodAttributes.Static, typeof(int), new[] { typeof(int) });
var document = mod.DefineDocument("TestDebug2.txt", Guid.Empty, Guid.Empty, Guid.Empty); //Expression.SymbolDocument("TestDebug2.txt");
//var di = Expression.DebugInfo(sdi, 2, 2, 2, 13);
//var exp = Expression.Divide(Expression.Constant(2), Expression.Subtract(Expression.Constant(4), Expression.Constant(4)));
//var block = Expression.Block(di, exp);
using (var il = new GroboIL(meth))
{
// nop // []
// nop // []
// ldc.i4.1 // [Int32]
// brfalse ifFalse_7 // []
// nop // []
// ldarg.0 // [Int32]
// br done_10 // [Int32]
//ifFalse_7: // []
// nop // []
// ldarg.0 // [Int32]
//done_10: // [Int32]
// stloc local_0 // []
// nop // []
// ldloc local_0 // [Int32]
// ret // []
// var tst = Expression.Block(Expression.DebugInfo(sdi, 6, 20, 6, 27), Expression.Constant(true));
// var iftrue = Expression.Block(Expression.DebugInfo(sdi, 10, 20, 10, 26), variable);
// var iffalse = Expression.Block(Expression.DebugInfo(sdi, 14, 20, 14, 26), variable);
// var exp = Expression.Condition(tst, iftrue, iffalse);
//
// /*
// var returnTarget = Expression.Label(typeof(int));
// var returnExpression = Expression.Return(returnTarget, exp, typeof(int));
// var returnLabel = Expression.Label(returnTarget, Expression.Constant(0));
// */
//
// var block = Expression.Block(typeof(int), new[] { temp },
// Expression.DebugInfo(sdi, 4, 15, 4, 16), Expression.Assign(temp, exp), Expression.DebugInfo(sdi, 17, 16, 17, 21), temp);
// //var block = Expression.Block(Expression.DebugInfo(sdi, 4, 16, 17, 10), Expression.Assign(temp, exp)));
// var kek = Expression.Lambda(block, variable);
il.MarkSequencePoint(document, 4, 15, 4, 16);
il.Nop();
il.Nop();
il.Ldc_I4(1);
il.MarkSequencePoint(document, 6, 20, 6, 27);
var brFalse = il.DefineLabel("brFalse");
il.Brfalse(brFalse);
il.MarkSequencePoint(document, 10, 20, 10, 26);
il.Nop();
il.Ldarg(0);
il.Ldc_I4(100);
il.Add();
var doneLabel = il.DefineLabel("done");
il.Br(doneLabel);
il.MarkSequencePoint(document, 14, 20, 14, 26);
il.MarkLabel(brFalse);
il.Nop();
il.Ldarg(0);
il.Ldc_I4(10);
il.Add();
il.MarkLabel(doneLabel);
il.MarkSequencePoint(document, 16, 16, 16, 21);
var local = il.DeclareLocal(typeof(int));
il.Stloc(local);
il.Nop();
il.MarkSequencePoint(document, 17, 16, 17, 21);
il.Ldloc(local);
il.Ret();
}
var newtype = type.CreateType();
asm.Save("tmp.dll");
newtype.GetMethod("go").Invoke(null, new object[] { 0 });
//meth.Invoke(null, new object[0]);
//lambda.DynamicInvoke(new object[0]);
Console.WriteLine(" ");
}
public void TestZzz()
{
var asm = AssemblyBuilder.DefineDynamicAssembly(new AssemblyName("foo"), AssemblyBuilderAccess.RunAndSave);
var mod = asm.DefineDynamicModule("mymod", "tmp.dll", true);
var type = mod.DefineType("baz", TypeAttributes.Public | TypeAttributes.Class);
var meth = type.DefineMethod("go", MethodAttributes.Public | MethodAttributes.Static, typeof(int), new[] { typeof(int) });
var document = mod.DefineDocument("TestDebug2.txt", Guid.Empty, Guid.Empty, Guid.Empty); //Expression.SymbolDocument("TestDebug2.txt");
meth.DefineParameter(1, ParameterAttributes.In, "$x");
//var di = Expression.DebugInfo(sdi, 2, 2, 2, 13);
//var exp = Expression.Divide(Expression.Constant(2), Expression.Subtract(Expression.Constant(4), Expression.Constant(4)));
//var block = Expression.Block(di, exp);
using (var il = new GroboIL(meth))
{
// var tst = Expression.Block(Expression.DebugInfo(sdi, 6, 20, 6, 27), Expression.Equal(variable, zero));
// var iftrue = Expression.Block(Expression.DebugInfo(sdi, 10, 20, 10, 26), Expression.Add(variable, two));
// var iffalse = Expression.Block(Expression.DebugInfo(sdi, 14, 20, 14, 26), Expression.Divide(variable, two));
// var exp = Expression.Condition(tst, iftrue, iffalse);
// var block = Expression.Block(Expression.DebugInfo(sdi, 4, 16, 15, 10), exp);
// nop // []
// nop // []
// ldarg.0 // [Int32]
// ldc.i4.0 // [Int32, Int32]
// ceq // [Int32]
// brfalse ifFalse_5 // []
// nop // []
// ldarg.0 // [Int32]
// ldc.i4.2 // [Int32, Int32]
// add // [Int32]
// br done_8 // [Int32]
//ifFalse_5: // []
// nop // []
// ldarg.0 // [Int32]
// ldc.i4.2 // [Int32, Int32]
// div // [Int32]
//done_8: // [Int32]
// ret // []
il.MarkSequencePoint(document, 3, 9, 3, 15);
il.Nop();
il.MarkSequencePoint(document, 4, 13, 4, 19);
il.Nop();
il.Ldarg(0);
il.Ldc_I4(0);
il.Ceq();
var label = il.DefineLabel("ifFalse");
il.Brfalse(label);
il.MarkSequencePoint(document, 7, 13, 7, 19);
il.Nop();
il.Ldarg(0);
il.Ldc_I4(2);
il.Add();
var doneLabel = il.DefineLabel("done");
il.Br(doneLabel);
il.MarkLabel(label);
il.MarkSequencePoint(document, 10, 13, 10, 19);
il.Nop();
il.Ldarg(0);
il.Ldc_I4(2);
il.Mul();
il.MarkLabel(doneLabel);
il.MarkSequencePoint(document, 12, 5, 12, 6);
il.Nop();
il.Ret();
}
var newtype = type.CreateType();
asm.Save("tmp.dll");
newtype.GetMethod("go").Invoke(null, new object[] { 0 });
//meth.Invoke(null, new object[0]);
//lambda.DynamicInvoke(new object[0]);
Console.WriteLine(" ");
}
private static void EmitNullableEquals(GroboIL il, MethodInfo getMethod, GroboIL.Label returnFalse)
{
// a.Equals(b)
var type = getMethod.ReturnType;
var local = il.DeclareLocal(type);
il.Ldarg(0);
il.Call(getMethod);
il.Stloc(local);
il.Ldloca(local);
il.Ldarg(1);
il.Call(getMethod);
il.Box(type);
il.Call(ObjectEquals, type);
il.Brfalse(returnFalse);
}
private static void EmitStatic(GroboIL il, MethodInfo getMethod, MethodInfo staticMethod, GroboIL.Label returnFalse)
{
// Equals(a.Property, b.Property)
il.Ldarg(0);
il.Call(getMethod);
il.Ldarg(1);
il.Call(getMethod);
il.Call(staticMethod);
il.Brfalse(returnFalse);
}
protected override bool EmitInternal(SwitchExpression node, EmittingContext context, GroboIL.Label returnDefaultValueLabel, ResultType whatReturn, bool extend, out Type resultType)
{
GroboIL il = context.Il;
var defaultLabel = il.DefineLabel("default");
var caseLabels = new GroboIL.Label[node.Cases.Count];
GroboIL.Label switchValueIsNullLabel = null;
for (int index = 0; index < node.Cases.Count; index++)
{
caseLabels[index] = il.DefineLabel("case#" + index);
}
context.EmitLoadArguments(node.SwitchValue);
using (var switchValue = context.DeclareLocal(node.SwitchValue.Type))
{
il.Stloc(switchValue);
Tuple <int, int, int> switchCase;
if (context.ParsedLambda.ParsedSwitches.TryGetValue(node, out switchCase))
{
// use simplified hashtable to locate the proper case
var labels = new List <GroboIL.Label>();
for (int index = 0; index < node.Cases.Count; index++)
{
foreach (var testValue in node.Cases[index].TestValues)
{
if (((ConstantExpression)testValue).Value != null)
{
labels.Add(caseLabels[index]);
}
else
{
switchValueIsNullLabel = caseLabels[index];
}
}
}
if (switchValueIsNullLabel != null)
{
if (!node.SwitchValue.Type.IsNullable())
{
il.Ldloc(switchValue);
}
else
{
il.Ldloca(switchValue);
context.EmitHasValueAccess(node.SwitchValue.Type);
}
il.Brfalse(switchValueIsNullLabel);
}
EmittingContext.LocalHolder pureSwitchValue = switchValue;
if (node.SwitchValue.Type.IsNullable())
{
pureSwitchValue = context.DeclareLocal(node.SwitchValue.Type.GetGenericArguments()[0]);
il.Ldloca(switchValue);
context.EmitValueAccess(node.SwitchValue.Type);
il.Stloc(pureSwitchValue);
}
Type temp;
ExpressionEmittersCollection.Emit(context.ParsedLambda.ConstantsBuilder.MakeAccess(context.ParsedLambda.ConstantsParameter, switchCase.Item1), context, out temp);
var type = node.SwitchValue.Type.IsNullable() ? node.SwitchValue.Type.GetGenericArguments()[0] : node.SwitchValue.Type;
var typeCode = Type.GetTypeCode(type);
switch (typeCode)
{
case TypeCode.Byte:
case TypeCode.Char:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.SByte:
case TypeCode.UInt16:
case TypeCode.UInt32:
case TypeCode.UInt64:
il.Ldloc(pureSwitchValue);
break;
default:
if (type.IsValueType)
{
il.Ldloca(pureSwitchValue);
}
else
{
il.Ldloc(pureSwitchValue);
}
il.Call(typeof(object).GetMethod("GetHashCode"), type);
break;
}
using (var index = context.DeclareLocal(typeof(int)))
{
if (typeCode == TypeCode.Int64 || typeCode == TypeCode.UInt64)
{
il.Ldc_I8(switchCase.Item3);
}
else
{
il.Ldc_I4(switchCase.Item3);
}
il.Rem(true);
if (typeCode == TypeCode.Int64 || typeCode == TypeCode.UInt64)
{
il.Conv <int>();
}
il.Stloc(index);
il.Ldloc(index);
il.Ldelem(type);
il.Ldloc(pureSwitchValue);
if (node.Comparison != null)
{
il.Call(node.Comparison);
}
else
{
il.Ceq();
}
il.Brfalse(defaultLabel);
ExpressionEmittersCollection.Emit(context.ParsedLambda.ConstantsBuilder.MakeAccess(context.ParsedLambda.ConstantsParameter, switchCase.Item2), context, out temp);
il.Ldloc(index);
il.Ldelem(typeof(int));
il.Switch(labels.ToArray());
}
if (pureSwitchValue != switchValue)
{
pureSwitchValue.Dispose();
}
}
else
{
// use a number of if/else branches to locate the proper case
EmittingContext.LocalHolder pureSwitchValue = switchValue;
EmittingContext.LocalHolder switchValueIsNull = null;
if (node.SwitchValue.Type.IsNullable())
{
pureSwitchValue = context.DeclareLocal(node.SwitchValue.Type.GetGenericArguments()[0]);
switchValueIsNull = context.DeclareLocal(typeof(bool));
il.Ldloca(switchValue);
il.Dup();
context.EmitValueAccess(node.SwitchValue.Type);
il.Stloc(pureSwitchValue);
context.EmitHasValueAccess(node.SwitchValue.Type);
il.Stloc(switchValueIsNull);
}
for (int index = 0; index < node.Cases.Count; index++)
{
var caSe = node.Cases[index];
var label = caseLabels[index];
foreach (var testValue in caSe.TestValues)
{
context.EmitLoadArguments(testValue);
GroboIL.Label elseLabel = null;
if (testValue.Type.IsNullable())
{
elseLabel = il.DefineLabel("else");
using (var temp = context.DeclareLocal(testValue.Type))
{
il.Stloc(temp);
il.Ldloca(temp);
context.EmitHasValueAccess(testValue.Type);
if (switchValueIsNull != null)
{
il.Ldloc(switchValueIsNull);
il.Or();
il.Brfalse(label);
il.Ldloca(temp);
context.EmitHasValueAccess(testValue.Type);
il.Ldloc(switchValueIsNull);
il.And();
}
il.Brfalse(elseLabel);
il.Ldloca(temp);
context.EmitValueAccess(testValue.Type);
}
}
il.Ldloc(pureSwitchValue);
if (node.Comparison != null)
{
il.Call(node.Comparison);
}
else
{
il.Ceq();
}
il.Brtrue(label);
if (elseLabel != null)
{
context.MarkLabelAndSurroundWithSP(elseLabel);
}
}
}
}
}
context.MarkLabelAndSurroundWithSP(defaultLabel);
var doneLabel = il.DefineLabel("done");
context.EmitLoadArguments(node.DefaultBody);
il.Br(doneLabel);
for (int index = 0; index < node.Cases.Count; ++index)
{
context.MarkLabelAndSurroundWithSP(caseLabels[index]);
context.EmitLoadArguments(node.Cases[index].Body);
if (index < node.Cases.Count - 1)
{
il.Br(doneLabel);
}
}
context.MarkLabelAndSurroundWithSP(doneLabel);
resultType = node.Type;
return(false);
}
private static Type BuildTypeInternal(Type type)
{
var parentType = typeof(ValidationResultTreeNode);
var properties = type.GetProperties(BindingFlags.Instance | BindingFlags.Public);
var typeBuilder = module.DefineType(type.Name + "_" + id++, TypeAttributes.Class | TypeAttributes.Public, parentType);
typesBeingBuilt[type] = typeBuilder;
var constructor = typeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.HasThis, new[] { parentType });
using (var il = new GroboIL(constructor))
{
il.Ldarg(0); // stack: [this]
il.Ldarg(1); // stack: [this, parent]
var baseConstructor = parentType.GetConstructor(BindingFlags.Instance | BindingFlags.NonPublic, null, new[] { parentType }, null);
il.Call(baseConstructor); // base(parent); stack: []
il.Ret();
}
var fields = new Dictionary <string, FieldBuilder>();
foreach (var property in properties)
{
var propertyType = property.PropertyType;
Type fieldType;
if (propertyType.IsArray)
{
fieldType = typeof(ValidationResultTreeArrayNode <>).MakeGenericType(BuildType(propertyType.GetElementType()));
}
else if (propertyType.IsDictionary() || propertyType == typeof(Hashtable))
{
fieldType = typeof(ValidationResultTreeUniversalNode);
}
else
{
fieldType = BuildType(propertyType, true);
}
var field = typeBuilder.DefineField(property.Name, fieldType, FieldAttributes.Public);
fields.Add(property.Name, field);
}
var getChildrenMethod = parentType.GetMethod("GetChildren", BindingFlags.Instance | BindingFlags.NonPublic);
var getChildrenMethodBuilder = typeBuilder.DefineMethod(getChildrenMethod.Name, MethodAttributes.Public | MethodAttributes.Virtual, typeof(IEnumerable <KeyValuePair <object, ValidationResultTreeNode> >), Type.EmptyTypes);
using (var il = new GroboIL(getChildrenMethodBuilder))
{
var listType = typeof(List <KeyValuePair <object, ValidationResultTreeNode> >);
var addMethod = listType.GetMethod("Add", new[] { typeof(KeyValuePair <object, ValidationResultTreeNode>) });
var itemConstructor = typeof(KeyValuePair <object, ValidationResultTreeNode>).GetConstructor(new[] { typeof(object), parentType });
var list = il.DeclareLocal(listType);
il.Newobj(listType.GetConstructor(Type.EmptyTypes)); // stack: [new List<>()]
il.Stloc(list); // list = new List<>(); stack: []
foreach (var field in fields.Values)
{
il.Ldarg(0); // stack: [this]
il.Ldfld(field); // stack: [this.field]
var nextLabel = il.DefineLabel("next");
il.Brfalse(nextLabel); // if(this.field == null) goto next; stack: []
il.Ldloc(list); // stack: [list]
il.Ldstr(field.Name); // stack: [list, field.Name]
il.Ldarg(0); // stack: [list, field.Name, this]
il.Ldfld(field); // stack: [list, field.Name, this.field]
il.Newobj(itemConstructor); // stack: [list, new KeyValuePair<object, ValidationResultTreeNode>(field.Name, this.field)]
il.Call(addMethod); // list.Add(new KeyValuePair<object, ValidationResultTreeNode>(field.Name, this.field)); stack: []
il.MarkLabel(nextLabel);
}
il.Ldloc(list);
il.Ret();
}
typeBuilder.DefineMethodOverride(getChildrenMethodBuilder, getChildrenMethod);
var traverseEdgeMethod = parentType.GetMethod("TraverseEdge", BindingFlags.Instance | BindingFlags.NonPublic);
var traverseEdgeMethodBuilder = typeBuilder.DefineMethod(traverseEdgeMethod.Name, MethodAttributes.Public | MethodAttributes.Virtual, parentType, new[] { typeof(Expression) });
using (var il = new GroboIL(traverseEdgeMethodBuilder))
{
il.Ldarg(1); // stack: [edge]
il.Castclass(typeof(MemberExpression)); // stack: [(MemberExpression)edge]
il.Call(HackHelpers.GetProp <MemberExpression>(x => x.Member).GetGetMethod()); // stack: [((MemberExpresion)edge).Member]
il.Call(HackHelpers.GetProp <MemberInfo>(x => x.Name).GetGetMethod()); // stack: [((MemberExpresion)edge).Member.Name]
var member = il.DeclareLocal(typeof(string));
il.Stloc(member);
foreach (var property in properties)
{
il.Ldstr(property.Name); // stack: [property.Name]
il.Ldloc(member); // stack: [property.Name, member]
il.Call(typeof(string).GetMethod("op_Equality", BindingFlags.Static | BindingFlags.Public));
var nextLabel = il.DefineLabel("next");
il.Brfalse(nextLabel); // if(property.Name != member) goto next; stack: []
il.Ldarg(0); // stack: [this]
il.Ldfld(fields[property.Name]); // stack: [this.field]
il.Ret(); // return this.field;
il.MarkLabel(nextLabel);
}
il.Ldnull();
il.Ret();
}
typeBuilder.DefineMethodOverride(traverseEdgeMethodBuilder, traverseEdgeMethod);
var result = typeBuilder.CreateTypeInfo();
typesBeingBuilt[type] = null;
return(result);
}
private KeyValuePair <Delegate, IntPtr> GetMemberSetter(ReaderTypeBuilderContext context, MemberInfo member)
{
var method = new DynamicMethod("Set_" + Type.Name + "_" + member.Name + "_" + Guid.NewGuid(), typeof(void),
new[]
{
typeof(IntPtr), typeof(int).MakeByRefType(), Type.MakeByRefType(), typeof(ReaderContext)
}, context.Module, true);
using (var il = new GroboIL(method))
{
il.Ldarg(0); // stack: [data]
il.Ldarg(1); // stack: [data, ref index]
switch (member.MemberType)
{
case MemberTypes.Field:
var field = (FieldInfo)member;
var done = false;
if (member.GetCustomAttributes(typeof(IgnoreDefaultOnMergeAttribute), false).Length > 0 && field.FieldType.IsValueType)
{
var equalityOperator = field.FieldType.GetMethod("op_Equality", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static);
if (field.FieldType.IsPrimitive || equalityOperator != null)
{
var fieldValue = il.DeclareLocal(field.FieldType);
il.Ldarg(2); // stack: [data, ref index, ref result]
if (!Type.IsValueType)
{
il.Ldind(Type); // stack: [data, ref index, result]
}
il.Ldfld(field);
il.Stloc(fieldValue);
il.Ldloca(fieldValue);
il.Ldarg(3); // stack: [data, ref index, ref result.field, context]
ReaderMethodBuilderContext.CallReader(il, field.FieldType, context); // reader(data, ref index, ref result.field, context); stack: []
var temp = il.DeclareLocal(field.FieldType);
il.Ldloca(temp);
il.Initobj(field.FieldType);
il.Ldloc(temp);
il.Ldloc(fieldValue);
if (field.FieldType.IsPrimitive)
{
il.Ceq();
}
else
{
il.Call(equalityOperator);
}
var notDefaultLabel = il.DefineLabel("notDefault");
il.Brfalse(notDefaultLabel);
il.Ret();
il.MarkLabel(notDefaultLabel);
il.Ldarg(2);
if (!Type.IsValueType)
{
il.Ldind(Type); // stack: [data, ref index, result]
}
il.Ldloc(fieldValue);
il.Stfld(field);
done = true;
}
}
if (!done)
{
il.Ldarg(2); // stack: [data, ref index, ref result]
if (!Type.IsValueType)
{
il.Ldind(Type); // stack: [data, ref index, result]
}
il.Ldflda(field); // stack: [data, ref index, ref result.field]
il.Ldarg(3); // stack: [data, ref index, ref result.field, context]
ReaderMethodBuilderContext.CallReader(il, field.FieldType, context); // reader(data, ref index, ref result.field, context); stack: []
}
break;
case MemberTypes.Property:
var property = (PropertyInfo)member;
var propertyValue = il.DeclareLocal(property.PropertyType);
if (context.GroBufReader.Options.HasFlag(GroBufOptions.MergeOnRead))
{
var getter = property.GetGetMethod(true);
if (getter == null)
{
throw new MissingMethodException(Type.Name, property.Name + "_get");
}
il.Ldarg(2); // stack: [data, ref index, ref result]
if (!Type.IsValueType)
{
il.Ldind(Type); // stack: [data, ref index, result]
}
il.Call(getter, Type); // stack: [ data, ref index, result.property]
il.Stloc(propertyValue); // propertyValue = result.property; stack: [data, ref index]
}
il.Ldloca(propertyValue); // stack: [data, ref index, ref propertyValue]
il.Ldarg(3); // stack: [data, ref index, ref propertyValue, context]
ReaderMethodBuilderContext.CallReader(il, property.PropertyType, context); // reader(data, ref index, ref propertyValue, context); stack: []
if (member.GetCustomAttributes(typeof(IgnoreDefaultOnMergeAttribute), false).Length > 0 && property.PropertyType.IsValueType)
{
var equalityOperator = property.PropertyType.GetMethod("op_Equality", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static);
if (property.PropertyType.IsPrimitive || equalityOperator != null)
{
var temp = il.DeclareLocal(property.PropertyType);
il.Ldloca(temp);
il.Initobj(property.PropertyType);
il.Ldloc(temp);
il.Ldloc(propertyValue);
if (property.PropertyType.IsPrimitive)
{
il.Ceq();
}
else
{
il.Call(equalityOperator);
}
var notDefaultLabel = il.DefineLabel("notDefault");
il.Brfalse(notDefaultLabel);
il.Ret();
il.MarkLabel(notDefaultLabel);
}
}
il.Ldarg(2); // stack: [ref result]
if (!Type.IsValueType)
{
il.Ldind(Type); // stack: [result]
}
il.Ldloc(propertyValue); // stack: [result, propertyValue]
var setter = property.GetSetMethod(true);
if (setter == null)
{
throw new MissingMethodException(Type.Name, property.Name + "_set");
}
il.Call(setter, Type); // result.property = propertyValue
break;
default:
throw new NotSupportedException("Data member of type '" + member.MemberType + "' is not supported");
}
il.Ret();
}
var @delegate = method.CreateDelegate(typeof(ReaderDelegate <>).MakeGenericType(Type));
return(new KeyValuePair <Delegate, IntPtr>(@delegate, GroBufHelpers.ExtractDynamicMethodPointer(method)));
}
public void BuildReader(ReaderTypeBuilderContext readerTypeBuilderContext)
{
var method = new DynamicMethod("Read_" + Type.Name + "_" + Guid.NewGuid(), typeof(void),
new[]
{
typeof(IntPtr), typeof(int).MakeByRefType(), Type.MakeByRefType(), typeof(ReaderContext)
}, readerTypeBuilderContext.Module, true);
readerTypeBuilderContext.SetReaderMethod(Type, method);
using (var il = new GroboIL(method))
{
var context = new ReaderMethodBuilderContext(readerTypeBuilderContext, il, !Type.IsValueType && IsReference);
ReadTypeCodeAndCheck(context); // Read TypeCode and check
if (!Type.IsValueType && IsReference)
{
// Read reference
context.LoadContext(); // stack: [context]
il.Ldfld(ReaderContext.ObjectsField); // stack: [context.objects]
var notReadLabel = il.DefineLabel("notRead");
il.Brfalse(notReadLabel);
context.LoadIndex(); // stack: [external index]
context.LoadContext(); // stack: [external index, context]
il.Ldfld(ReaderContext.StartField); // stack: [external index, context.start]
il.Sub(); // stack: [external index - context.start]
il.Stloc(context.Index); // index = external index - context.start; stack: []
context.LoadContext(); // stack: [context]
il.Ldfld(ReaderContext.ObjectsField); // stack: [context.objects]
il.Ldloc(context.Index); // stack: [context.objects, index]
var obj = il.DeclareLocal(typeof(object));
il.Ldloca(obj);
object dummy;
il.Call(HackHelpers.GetMethodDefinition <Dictionary <int, object> >(dict => dict.TryGetValue(0, out dummy))); // stack: [context.objects.TryGetValue(index, out obj)]
il.Brfalse(notReadLabel); // if(!context.objects.TryGetValue(index, out obj)) goto notRead;
context.LoadResultByRef(); // stack: [ref result]
il.Ldloc(obj); // stack: [ref result, obj]
il.Castclass(Type); // stack: [ref result, (Type)obj]
il.Stind(Type); // result = (Type)obj; stack: []
context.IncreaseIndexBy1(); // Skip type code
context.SkipValue(); // Skip value - it has already been read
il.Ret();
il.MarkLabel(notReadLabel);
il.Ldloc(context.TypeCode); // stack: [typeCode]
il.Ldc_I4((int)GroBufTypeCode.Reference); // stack: [typeCode, GroBufTypeCode.Reference]
var readUsualLabel = il.DefineLabel("readUsual");
il.Bne_Un(readUsualLabel); // if(typeCode != GroBufTypeCode.Reference) goto readUsual; stack: []
context.LoadContext(); // stack: [context]
il.Ldfld(ReaderContext.ObjectsField); // stack: [context.objects]
var objectsIsNotNullLabel = il.DefineLabel("objectsIsNotNull");
il.Brtrue(objectsIsNotNullLabel); // if(context.objects != null) goto objectsIsNotNull; stack: [context.objects]
il.Ldstr("Reference is not valid at this point");
il.Newobj(typeof(DataCorruptedException).GetConstructor(new[] { typeof(string) }));
il.Throw();
il.MarkLabel(objectsIsNotNullLabel);
context.IncreaseIndexBy1(); // index = index + 1; stack: []
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation();
var reference = il.DeclareLocal(typeof(int));
il.Ldind(typeof(int)); // stack: [*(int*)data[index]]
il.Stloc(reference); // reference = *(int*)data[index]; stack: []
context.IncreaseIndexBy4(); // index = index + 4; stack: []
il.Ldloc(context.Index); // stack: [index]
il.Ldloc(reference); // stack: [index, reference]
var goodReferenceLabel = il.DefineLabel("goodReference");
il.Bgt(goodReferenceLabel, false); // if(index > reference) goto goodReference; stack: []
il.Ldstr("Bad reference");
il.Newobj(typeof(DataCorruptedException).GetConstructor(new[] { typeof(string) }));
il.Throw();
il.MarkLabel(goodReferenceLabel);
context.LoadContext(); // stack: [context]
il.Ldfld(ReaderContext.ObjectsField); // stack: [context.objects]
il.Ldloc(reference); // stack: [context.objects, reference]
il.Ldloca(obj); // stack: [context.objects, reference, ref obj]
il.Call(HackHelpers.GetMethodDefinition <Dictionary <int, object> >(dict => dict.TryGetValue(0, out dummy))); // stack: [context.objects.TryGetValue(reference, out obj)]
var readObjectLabel = il.DefineLabel("readObject");
il.Brfalse(readObjectLabel); // if(!context.objects.TryGetValue(reference, out obj)) goto readObjects; stack: []
context.LoadResultByRef(); // stack: [ref result]
il.Ldloc(obj); // stack: [ref result, obj]
il.Castclass(Type); // stack: [ref result, (Type)obj]
il.Stind(Type); // result = (Type)obj; stack: []
il.Ret();
il.MarkLabel(readObjectLabel);
// Referenced object has not been read - this means that the object reference belongs to is a property that had been deleted
context.LoadData(); // stack: [data]
il.Ldloc(reference); // stack: [data, reference]
context.LoadContext(); // stack: [data, reference, context]
il.Ldfld(ReaderContext.StartField); // stack: [data, reference, context.start]
il.Add(); // stack: [data, reference + context.start]
il.Stloc(reference); // reference += context.start; stack: [data]
il.Ldloca(reference); // stack: [data, ref reference]
context.LoadResultByRef(); // stack: [data, ref reference, ref result]
context.LoadContext(); // stack: [data, ref reference, ref result, context]
context.CallReader(Type);
il.Ret();
il.MarkLabel(readUsualLabel);
}
ReadNotEmpty(context); // Read obj
il.Ret();
}
var @delegate = method.CreateDelegate(typeof(ReaderDelegate <>).MakeGenericType(Type));
var pointer = GroBufHelpers.ExtractDynamicMethodPointer(method);
readerTypeBuilderContext.SetReaderPointer(Type, pointer, @delegate);
}
private static void EmitInstance(GroboIL il, MethodInfo getMethod, MethodInfo instanceMethod, GroboIL.Label returnFalse)
{
// a.Property.Equals(b.Property)
var type = getMethod.ReturnType;
var local = il.DeclareLocal(type);
il.Ldarg(0);
il.Call(getMethod);
il.Stloc(local);
il.Ldloca(local);
il.Ldarg(1);
il.Call(getMethod);
il.Call(instanceMethod, type);
il.Brfalse(returnFalse);
}
protected override bool EmitInternal(UnaryExpression node, EmittingContext context, GroboIL.Label returnDefaultValueLabel, ResultType whatReturn, bool extend, out Type resultType)
{
GroboIL il = context.Il;
var result = false;
var operand = node.Operand;
Type assigneeType;
AssigneeKind assigneeKind;
bool checkNullReferences = context.Options.HasFlag(CompilerOptions.CheckNullReferences);
extend |= context.Options.HasFlag(CompilerOptions.ExtendOnAssign);
GroboIL.Label assigneeIsNullLabel = null;
bool assigneeIsNullLabelUsed = false;
switch (operand.NodeType)
{
case ExpressionType.Parameter:
assigneeType = null;
assigneeKind = AssigneeKind.Parameter;
checkNullReferences = false;
break;
case ExpressionType.MemberAccess:
var memberExpression = (MemberExpression)operand;
if (memberExpression.Expression == null)
{
assigneeType = null;
assigneeKind = memberExpression.Member is FieldInfo ? AssigneeKind.StaticField : AssigneeKind.StaticProperty;
checkNullReferences = false;
}
else
{
bool closureAssign = memberExpression.Expression == context.ParsedLambda.ClosureParameter || memberExpression.Expression.Type.IsStaticClosure();
checkNullReferences &= !closureAssign;
if (node.NodeType != ExpressionType.Assign && context.CanReturn)
{
result |= ExpressionEmittersCollection.Emit(memberExpression.Expression, context, returnDefaultValueLabel, ResultType.ByRefValueTypesOnly, extend, out assigneeType);
}
else
{
assigneeIsNullLabel = !closureAssign && context.CanReturn ? il.DefineLabel("assigneeIsNull") : null;
assigneeIsNullLabelUsed = ExpressionEmittersCollection.Emit(memberExpression.Expression, context, assigneeIsNullLabel, ResultType.ByRefValueTypesOnly, extend, out assigneeType);
}
assigneeKind = memberExpression.Member is FieldInfo ? AssigneeKind.InstanceField : AssigneeKind.InstanceProperty;
}
break;
case ExpressionType.Index:
var indexExpression = (IndexExpression)operand;
if (indexExpression.Object == null)
{
throw new InvalidOperationException("Indexing of null object is invalid");
}
if (indexExpression.Object.Type.IsArray && indexExpression.Object.Type.GetArrayRank() == 1)
{
if (node.NodeType != ExpressionType.Assign && context.CanReturn)
{
result |= ExpressionEmittersCollection.Emit(Expression.ArrayIndex(indexExpression.Object, indexExpression.Arguments.Single()), context, returnDefaultValueLabel, ResultType.ByRefAll, extend, out assigneeType);
checkNullReferences = false;
}
else
{
assigneeIsNullLabel = context.CanReturn ? il.DefineLabel("assigneeIsNull") : null;
assigneeIsNullLabelUsed = ExpressionEmittersCollection.Emit(Expression.ArrayIndex(indexExpression.Object, indexExpression.Arguments.Single()), context, assigneeIsNullLabel, ResultType.ByRefAll, extend, out assigneeType);
}
assigneeKind = AssigneeKind.SimpleArray;
}
else
{
if (node.NodeType != ExpressionType.Assign && context.CanReturn)
{
result |= ExpressionEmittersCollection.Emit(indexExpression.Object, context, returnDefaultValueLabel, ResultType.ByRefValueTypesOnly, extend, out assigneeType);
}
else
{
assigneeIsNullLabel = context.CanReturn ? il.DefineLabel("assigneeIsNull") : null;
assigneeIsNullLabelUsed = ExpressionEmittersCollection.Emit(indexExpression.Object, context, assigneeIsNullLabel, ResultType.ByRefValueTypesOnly, extend, out assigneeType);
}
assigneeKind = indexExpression.Indexer != null ? AssigneeKind.IndexedProperty : AssigneeKind.MultiDimensionalArray;
}
break;
default:
throw new InvalidOperationException("Unable to assign to an expression of type '" + operand.NodeType + "'");
}
if (assigneeType != null && assigneeType.IsValueType)
{
using (var temp = context.DeclareLocal(assigneeType))
{
il.Stloc(temp);
il.Ldloca(temp);
}
assigneeType = assigneeType.MakeByRefType();
}
if (assigneeIsNullLabelUsed)
{
context.EmitReturnDefaultValue(assigneeType, assigneeIsNullLabel, il.DefineLabel("assigneeIsNotNull"));
}
if (checkNullReferences)
{
il.Dup();
il.Brfalse(returnDefaultValueLabel);
result = true;
}
if (assigneeType != null)
{
il.Dup();
}
object[] arguments = EmitAccess(assigneeKind, operand, context);
if (!operand.Type.IsNullable())
{
if (whatReturn == ResultType.Void)
{
EmitOp(node.NodeType, node.Method, node.Type, context);
EmitAssign(assigneeKind, operand, context, arguments);
}
else
{
if (node.NodeType == ExpressionType.PostDecrementAssign || node.NodeType == ExpressionType.PostIncrementAssign)
{
using (var assignmentResult = context.DeclareLocal(operand.Type))
{
il.Stloc(assignmentResult);
il.Ldloc(assignmentResult);
EmitOp(node.NodeType, node.Method, node.Type, context);
EmitAssign(assigneeKind, operand, context, arguments);
il.Ldloc(assignmentResult);
}
}
else
{
EmitOp(node.NodeType, node.Method, node.Type, context);
using (var assignmentResult = context.DeclareLocal(operand.Type))
{
il.Stloc(assignmentResult);
EmitAssign(assigneeKind, operand, context, arguments, assignmentResult);
il.Ldloc(assignmentResult);
}
}
}
}
else
{
using (var value = context.DeclareLocal(operand.Type))
{
il.Stloc(value);
il.Ldloca(value);
context.EmitHasValueAccess(operand.Type);
var returnNullLabel = il.DefineLabel("returnNull");
il.Brfalse(returnNullLabel);
il.Ldloca(value);
context.EmitValueAccess(operand.Type);
Type argumentType = operand.Type.GetGenericArguments()[0];
ConstructorInfo constructor = operand.Type.GetConstructor(new[] { argumentType });
if (whatReturn == ResultType.Void)
{
EmitOp(node.NodeType, node.Method, argumentType, context);
il.Newobj(constructor);
EmitAssign(assigneeKind, operand, context, arguments);
}
else
{
if (node.NodeType == ExpressionType.PostDecrementAssign || node.NodeType == ExpressionType.PostIncrementAssign)
{
EmitOp(node.NodeType, node.Method, argumentType, context);
il.Newobj(constructor);
EmitAssign(assigneeKind, operand, context, arguments);
il.Ldloc(value);
}
else
{
EmitOp(node.NodeType, node.Method, argumentType, context);
il.Newobj(constructor);
using (var assignmentResult = context.DeclareLocal(operand.Type))
{
il.Stloc(assignmentResult);
EmitAssign(assigneeKind, operand, context, arguments, assignmentResult);
il.Ldloc(assignmentResult);
}
}
}
var doneLabel = il.DefineLabel("done");
il.Br(doneLabel);
context.MarkLabelAndSurroundWithSP(returnNullLabel);
if (assigneeType != null)
{
il.Pop();
}
if (whatReturn != ResultType.Void)
{
il.Ldloc(value);
}
context.MarkLabelAndSurroundWithSP(doneLabel);
}
}
resultType = whatReturn == ResultType.Void ? typeof(void) : operand.Type;
return(result);
}
private static Type BuildMutatorsTreeCreator(int numberOfGenericParameters)
{
var typeBuilder = module.DefineType("MutatorsTreeCreator_" + numberOfGenericParameters, TypeAttributes.Public | TypeAttributes.Class);
var genericParameters = typeBuilder.DefineGenericParameters(new[] { "TSource" }.Concat(new int[numberOfGenericParameters - 1].Select((i, index) => "T" + (index + 1))).ToArray());
var interfaceType = typeof(IMutatorsTreeCreator <>).MakeGenericType(genericParameters.Last());
var method = TypeBuilder.GetMethod(interfaceType, typeof(IMutatorsTreeCreator <>).GetMethod(getMutatorsTreeMethodName, BindingFlags.Public | BindingFlags.Instance));
var methodBuilder = typeBuilder.DefineMethod(getMutatorsTreeMethodName, MethodAttributes.Public | MethodAttributes.Virtual, typeof(MutatorsTreeBase <>).MakeGenericType(genericParameters.Last()),
new[] { typeof(IDataConfiguratorCollectionFactory), typeof(IConverterCollectionFactory), typeof(MutatorsContext[]), typeof(MutatorsContext[]) });
using (var il = new GroboIL(methodBuilder))
{
il.Ldarg(1); // stack: [dataConfiguratorCollectionFactory]
il.Call(getDataConfiguratorCollectionMethod.MakeGenericMethod(genericParameters[0]), typeof(IDataConfiguratorCollectionFactory)); // stack: [dataConfiguratorCollectionFactory.Get<TSource> = collection]
var sourceCollectionIsNullLabel = il.DefineLabel("sourceCollectionIsNull");
il.Dup(); // stack: [collection, collection]
il.Brfalse(sourceCollectionIsNullLabel); // if(collection == null) goto sourceCollectionIsNull; stack: [collection]
il.Ldarg(3); // stack: [collection, mutatorsContexts]
il.Ldc_I4(0); // stack: [collection, mutatorsContexts, 0]
il.Ldelem(typeof(MutatorsContext)); // stack: [collection, mutatorsContexts[0]]
il.Ldc_I4(0); // stack: [collection, mutatorsContexts[0], 0]
// todo ich: избавиться от константы
var collectionType = typeof(IDataConfiguratorCollection <>).MakeGenericType(genericParameters[0]);
il.Call(TypeBuilder.GetMethod(collectionType, typeof(IDataConfiguratorCollection <>).GetMethod("GetMutatorsTree", new[] { typeof(MutatorsContext), typeof(int) })), collectionType); // stack: [collection.GetMutatorsTree(mutatorsContexts[0], 0)]
il.MarkLabel(sourceCollectionIsNullLabel);
var current = il.DeclareLocal(typeof(MutatorsTreeBase <>).MakeGenericType(genericParameters[0]));
for (var i = 0; i < numberOfGenericParameters - 1; ++i)
{
// First: Migrate tree
il.Stloc(current);
il.Ldarg(2); // stack: [converterCollectionFactory]
il.Call(getConverterCollectionMethod.MakeGenericMethod(genericParameters[i + 1], genericParameters[i]), typeof(IConverterCollectionFactory)); // stack: [converterCollectionFactory.Get<T_i, T_i+1> = converterCollection]
il.Dup(); // stack: [converterCollection, converterCollection]
il.Ldloc(current); // stack: [converterCollection, converterCollection, current]
il.Ldarg(4); // stack: [converterCollection, converterCollection, current, converterContexts]
il.Ldc_I4(i); // stack: [converterCollection, converterCollection, current, converterContexts, i]
il.Ldelem(typeof(MutatorsContext)); // stack: [converterCollection, converterCollection, current, converterContexts[i]]
// todo ich: избавиться от константы
//il.Call(collectionType.GetMethod("Migrate", BindingFlags.Public | BindingFlags.Instance), collectionType); // stack: [converterCollection, converterCollection.Migrate(current, converterContexts[i])]
collectionType = typeof(IConverterCollection <,>).MakeGenericType(genericParameters[i + 1], genericParameters[i]);
il.Call(TypeBuilder.GetMethod(collectionType, typeof(IConverterCollection <,>).GetMethod("Migrate", BindingFlags.Public | BindingFlags.Instance)), collectionType); // stack: [converterCollection, converterCollection.Migrate(current, converterContexts[i])]
current = il.DeclareLocal(typeof(MutatorsTreeBase <>).MakeGenericType(genericParameters[i + 1]));
il.Stloc(current); // current = converterCollection.Migrate(current, converterContexts[i]); stack: [converterCollection]
// Second: Merge with validations tree
il.Ldarg(4); // stack: [converterCollection, converterContexts]
il.Ldc_I4(i); // stack: [converterCollection, converterContexts, i]
il.Ldelem(typeof(MutatorsContext)); // stack: [converterCollection, converterContexts[i]]
il.Ldc_I4(numberOfGenericParameters + i); // stack: [converterCollection, converterContexts[i], n + i]
// todo ich: избавиться от константы
//il.Call(collectionType.GetMethod("GetValidationsTree", BindingFlags.Public | BindingFlags.Instance), collectionType); // stack: [converterCollection.GetValidationsTree(converterContexts[i], n + i) = validationsTree]
il.Call(TypeBuilder.GetMethod(collectionType, typeof(IConverterCollection <,>).GetMethod("GetValidationsTree", BindingFlags.Public | BindingFlags.Instance)), collectionType); // stack: [converterCollection.GetValidationsTree(converterContexts[i], n + i) = validationsTree]
il.Ldloc(current); // stack: [validationsTree, current]
//var mutatorsTreeType = typeof(MutatorsTreeBase<>).MakeGenericType(genericParameters[i + 1]);
//il.Call(mutatorsTreeType.GetMethod("Merge", BindingFlags.Public | BindingFlags.Instance), mutatorsTreeType); // stack: [validationsTree.Merge(current)]
//il.Call(TypeBuilder.GetMethod(mutatorsTreeType, typeof(MutatorsTreeBase<>).GetMethod("Merge", BindingFlags.Public | BindingFlags.Instance)), mutatorsTreeType); // stack: [validationsTree.Merge(current)]
il.Call(mergeMethod.MakeGenericMethod(genericParameters[i + 1])); // stack: [validationsTree.Merge(current)]
// Third: Merge with current mutators tree
il.Ldarg(1); // stack: [validationsTree.Merge(current), dataConfiguratorCollectionFactory]
il.Call(getDataConfiguratorCollectionMethod.MakeGenericMethod(genericParameters[i + 1]), typeof(IDataConfiguratorCollectionFactory)); // stack: [validationsTree.Merge(current), dataConfiguratorCollectionFactory.Get<T_i+1> = collection]
var collectionIsNullLabel = il.DefineLabel("collectionIsNull");
il.Dup(); // stack: [validationsTree.Merge(current), collection, collection]
il.Brfalse(collectionIsNullLabel); // if(collection == null) goto collectionIsNull; stack: [validationsTree.Merge(current), collection]
il.Ldarg(3); // stack: [validationsTree.Merge(current), collection, mutatorsContexts]
il.Ldc_I4(i + 1); // stack: [validationsTree.Merge(current), collection, mutatorsContexts, i + 1]
il.Ldelem(typeof(MutatorsContext)); // stack: [validationsTree.Merge(current), collection, mutatorsContexts[i + 1]]
il.Ldc_I4(i + 1); // stack: [validationsTree.Merge(current), collection, mutatorsContexts[i + 1], 0]
// todo ich: избавиться от константы
collectionType = typeof(IDataConfiguratorCollection <>).MakeGenericType(genericParameters[i + 1]);
il.Call(TypeBuilder.GetMethod(collectionType, typeof(IDataConfiguratorCollection <>).GetMethod("GetMutatorsTree", new[] { typeof(MutatorsContext), typeof(int) })), collectionType); // stack: [validationsTree.Merge(current), collection.GetMutatorsTree(mutatorsContexts[i + 1], 0)]
il.MarkLabel(collectionIsNullLabel);
//il.Call(TypeBuilder.GetMethod(mutatorsTreeType, typeof(MutatorsTreeBase<>).GetMethod("Merge", BindingFlags.Public | BindingFlags.Instance)), mutatorsTreeType); // stack: [validationsTree.Merge(current).Merge(collection.GetMutatorsTree(mutatorsContexts[i + 1], 0)) = current]
il.Call(mergeMethod.MakeGenericMethod(genericParameters[i + 1])); // stack: [validationsTree.Merge(current).Merge(collection.GetMutatorsTree(mutatorsContexts[i + 1], 0)) = current]
}
il.Ret();
}
typeBuilder.DefineMethodOverride(methodBuilder, method);
typeBuilder.AddInterfaceImplementation(interfaceType);
return(typeBuilder.CreateType());
}