private void CompileWriter()
{
DynamicMethod dm = new DynamicMethod(Guid.NewGuid().ToString(), typeof(Tuple <int, byte[]>), new[] { Type, typeof(BinaryStruct) });
using (var il = new GroboIL(dm))
{
var buffer = il.DeclareLocal(typeof(byte[]));
var offset = il.DeclareLocal(typeof(int));
var typeSize = il.DeclareLocal(typeof(int));
var value = il.DeclareLocal(Type);
var binaryStruct = il.DeclareLocal(typeof(BinaryStruct));
il.Ldarg(1);
il.Stloc(binaryStruct);
il.Ldarg(0);
//il.Castclass(Type);
il.Stloc(value);
il.Ldc_I4(InitLen);
il.Newarr(typeof(byte));
il.Stloc(buffer);
CompileWriter(this, il, binaryStruct, value, buffer, offset, typeSize);
il.Ldloc(offset);
il.Ldloc(buffer);
il.Newobj(typeof(Tuple <int, byte[]>).GetConstructor(new Type[] { typeof(int), typeof(byte[]) }));
il.Ret();
IlWriteCode = il.GetILCode();
}
WriteMethod = CreateWriter(dm);
}
private static void BuildChildren(TypeBuilder typeBuilder, int n, Context context)
{
var property = typeBuilder.DefineProperty("Children", PropertyAttributes.None, typeof(IEnumerable <MethodCallNode>), Type.EmptyTypes);
var getter = typeBuilder.DefineMethod("get_Children", MethodAttributes.Public | MethodAttributes.Virtual, CallingConventions.HasThis, typeof(IEnumerable <MethodCallNode>), Type.EmptyTypes);
using (var il = new GroboIL(getter))
{
il.Ldc_I4(n); // stack: [n]
il.Newarr(typeof(MethodCallNode)); // stack: [new int[n] -> values]
for (int i = 0; i < n; ++i)
{
il.Dup(); // stack: [values, values]
il.Ldc_I4(i); // stack: [values, values, i]
il.Ldarg(0); // stack: [values, values, i, this]
il.Ldfld(context.values[i]); // stack: [values, values, i, this.values_{i}]
il.Stelem(typeof(MethodCallNode)); // values[i] = this.values_{i}; stack: [values]
}
il.Castclass(typeof(IEnumerable <MethodCallNode>));
il.Ret();
}
property.SetGetMethod(getter);
typeBuilder.DefineMethodOverride(getter, typeof(MethodCallNodeEdges).GetProperty(property.Name, BindingFlags.Public | BindingFlags.Instance).GetGetMethod());
}
public void TestEnumerable()
{
var assembly = AppDomain.CurrentDomain.DefineDynamicAssembly(new AssemblyName(Guid.NewGuid().ToString()), AssemblyBuilderAccess.RunAndSave);
var module = assembly.DefineDynamicModule(Guid.NewGuid().ToString(), "test.cil", true);
var symWriter = module.GetSymWriter();
var symbolDocumentWriter = symWriter.DefineDocument("test.cil", Guid.Empty, Guid.Empty, Guid.Empty);
var typeBuilder = module.DefineType("Zzz", TypeAttributes.Class | TypeAttributes.Public);
var method = typeBuilder.DefineMethod("Qzz", MethodAttributes.Public);
var genericParameters = method.DefineGenericParameters("TZzz");
var parameter = genericParameters[0];
method.SetParameters(typeof(List <>).MakeGenericType(parameter), typeof(Func <,>).MakeGenericType(parameter, typeof(int)));
method.DefineParameter(2, ParameterAttributes.In, "list");
method.SetReturnType(typeof(int));
using (var il = new GroboIL(method, symbolDocumentWriter))
{
il.Ldarg(1);
il.Dup();
var notNullLabel = il.DefineLabel("notNull");
il.Brtrue(notNullLabel);
il.Pop();
il.Ldc_I4(0);
il.Newarr(parameter);
il.MarkLabel(notNullLabel);
var temp = il.DeclareLocal(typeof(IEnumerable <>).MakeGenericType(parameter), "arr");
il.Stloc(temp);
il.Ldloc(temp);
il.Ldarg(2);
il.Call(HackHelpers.GetMethodDefinition <int[]>(ints => ints.Sum(x => x)).GetGenericMethodDefinition().MakeGenericMethod(parameter));
il.Ret();
Console.WriteLine(il.GetILCode());
}
var type = typeBuilder.CreateType();
var instance = Activator.CreateInstance(type);
type.GetMethod("Qzz", BindingFlags.Instance | BindingFlags.Public).MakeGenericMethod(typeof(int)).Invoke(instance, new object[] { null, null });
}
public void GetReadILCode(PropertyData prop, BinaryStruct currentStruct, GroboIL il, GroboIL.Local binaryStruct, GroboIL.Local buffer, GroboIL.Local result, GroboIL.Local typeSize, GroboIL.Local offset, bool listValue)
{
var exitLabel = il.DefineLabel("exit");
BinaryStruct.ReadObjectNull(il, exitLabel, buffer, offset, typeSize);
var len = il.DeclareLocal(typeof(int));
var list = il.DeclareLocal(prop.PropertyInfo.PropertyType);
il.Ldloc(buffer);
il.Ldloc(offset);
il.Call(readBitConverterMethodInfo);
il.Stloc(len);
BinaryStruct.WriteOffsetAppend(il, offset, 4);
var type = prop.PropertyInfo.PropertyType.GetElementType();
il.Ldloc(len);
il.Newarr(type);
il.Stloc(list);
il.Ldloc(result);
il.Ldloc(list);
il.Call(prop.Setter, isVirtual: true);
il.Ldloc(len);
il.Ldc_I4(0);
il.Ceq();
il.Brtrue(exitLabel);
var ivar = il.DeclareLocal(typeof(int));
var point = il.DefineLabel("for_label");
il.Ldc_I4(0);
il.Stloc(ivar);
il.MarkLabel(point);
//body
var tempVar = il.DeclareLocal(type);
if (typeof(IBasicType).IsAssignableFrom(prop.BinaryAttr.Type.GetGenericArguments()[0]))
{
IBasicType t = (IBasicType)Activator.CreateInstance(prop.BinaryAttr.Type.GetGenericArguments()[0]);
t.GetReadILCode(prop, currentStruct, il, binaryStruct, buffer, tempVar, typeSize, offset, true);
il.Ldloc(list);
il.Ldloc(ivar);
il.Ldloc(tempVar);
il.Stelem(type);
}
else
{
var constr = BinaryStruct.GetConstructor(type, null);
if (constr == null)
{
throw new Exception($"Type {type} not have constructor with not parameters");
}
il.Newobj(constr);
il.Stloc(tempVar);
BinaryStruct.CompileReader(currentStruct.CurrentStorage.GetTypeInfo(type, currentStruct.Scheme), il, binaryStruct, buffer, offset, tempVar, typeSize);
il.Ldloc(list);
il.Ldloc(ivar);
il.Ldloc(tempVar);
il.Stelem(type);
}
//end body
il.Ldc_I4(1);
il.Ldloc(ivar);
il.Add();
il.Stloc(ivar);
il.Ldloc(ivar);
il.Ldloc(len);
il.Clt(false);
il.Brtrue(point);
il.MarkLabel(exitLabel);
}
protected override bool EmitInternal(MethodCallExpression node, EmittingContext context, GroboIL.Label returnDefaultValueLabel, ResultType whatReturn, bool extend, out Type resultType)
{
var result = false;
GroboIL il = context.Il;
var method = node.Method;
Expression obj;
IEnumerable <Expression> arguments;
IEnumerable <ParameterInfo> parameters;
bool isStatic = method.IsStatic;
if (!isStatic)
{
obj = node.Object;
arguments = node.Arguments;
parameters = method.GetParameters();
}
else if (method.DeclaringType == typeof(Enumerable))
{
obj = node.Arguments[0];
arguments = node.Arguments.Skip(1);
parameters = method.GetParameters().Skip(1);
}
else
{
obj = null;
arguments = node.Arguments;
parameters = method.GetParameters();
}
Type type = obj == null ? null : obj.Type;
if (obj != null)
{
Type actualType;
result |= ExpressionEmittersCollection.Emit(obj, context, returnDefaultValueLabel, isStatic ? ResultType.Value : ResultType.ByRefValueTypesOnly, extend, out actualType); // stack: [obj]
if (actualType == typeof(void))
{
throw new InvalidOperationException("Unable to call method on void");
}
if (actualType.IsValueType && !isStatic)
{
using (var temp = context.DeclareLocal(actualType))
{
il.Stloc(temp);
il.Ldloca(temp);
}
actualType = actualType.MakeByRefType();
}
if (context.Options.HasFlag(CompilerOptions.CheckNullReferences) && !actualType.IsValueType)
{
if (method.DeclaringType != typeof(Enumerable))
{
result |= context.EmitNullChecking(type, returnDefaultValueLabel);
}
else
{
var arrIsNotNullLabel = il.DefineLabel("arrIsNotNull");
il.Dup();
il.Brtrue(arrIsNotNullLabel);
il.Pop();
il.Ldc_I4(0);
il.Newarr(GetElementType(type));
context.MarkLabelAndSurroundWithSP(arrIsNotNullLabel);
}
}
}
var parametersArray = parameters.ToArray();
var argumentsArray = arguments.ToArray();
for (int i = 0; i < argumentsArray.Length; i++)
{
var argument = argumentsArray[i];
var parameter = parametersArray[i];
if (parameter.ParameterType.IsByRef)
{
Type argumentType;
var options = context.Options;
context.Options = CompilerOptions.None;
ExpressionEmittersCollection.Emit(argument, context, null, ResultType.ByRefAll, false, out argumentType);
context.Options = options;
if (!argumentType.IsByRef)
{
throw new InvalidOperationException("Expected type by reference");
}
}
else
{
Type argumentType;
context.EmitLoadArgument(argument, true, out argumentType);
}
}
il.Call(method, type);
resultType = node.Type;
return(result);
}
private static void DefineMethodOverrideWithInterception(TypeBuilder typeBuilder, MethodBuilder methodBuilder, MethodInfo overridedMethod, Dictionary <Type, FieldInfo> interceptorFields, MethodInfo genericInterceptionAction, MethodInfo voidInterceptionAction, FieldBuilder concreteInstance, ParameterInfo[] methodParams, Type[] genericParameterTypes, Type[] interceptors)
{
var @delegate = GenerateOverloadedMethodDelegate(overridedMethod, typeBuilder, concreteInstance);
for (var i = 0; i < interceptors.Length; i++)
{
var interceptor = interceptors[i];
@delegate = DefineMethodInterceptingDelegate(typeBuilder, overridedMethod, interceptorFields, genericInterceptionAction, voidInterceptionAction, genericParameterTypes, @delegate, i, interceptor);
}
using (var il = new GroboIL(methodBuilder))
{
var paramInfoType = typeof(ParamInfo);
var paramsInfoType = typeof(ParamInfo[]);
var paramsInfo = il.DeclareLocal(paramsInfoType);
var paramInfo = il.DeclareLocal(paramInfoType);
il.Nop();
il.Ldc_I4(methodParams.Length);
il.Newarr(typeof(ParamInfo));
il.Stloc(paramsInfo);
var paramInfoConstructor = paramInfoType.GetConstructor(new[] { typeof(string), typeof(Type), typeof(bool), typeof(bool) });
var paramInfoValueSetter = paramInfoType.GetProperty("Value").GetSetMethod();
var getTypeMethod = typeof(Type).GetMethod("GetTypeFromHandle", new[] { typeof(RuntimeTypeHandle) });
var idx = 0;
foreach (var parameter in methodParams)
{
// load array at index
il.Ldloc(paramsInfo);
il.Ldc_I4(idx++);
// Load ParamInfo.Name
il.Ldstr(parameter.Name);
// Load ParamInfo.Type
if (parameter.IsOut || parameter.ParameterType.IsByRef)
{
il.Ldtoken(parameter.ParameterType.GetElementType());
}
else
{
il.Ldtoken(parameter.ParameterType);
}
il.Call(getTypeMethod);
// Load ParamInfo.IsByRef
if (parameter.ParameterType.IsByRef)
{
il.Ldc_I4(1);
}
else
{
il.Ldc_I4(0);
}
// Load ParamInfo.IsOut
if (parameter.IsOut)
{
il.Ldc_I4(1);
}
else
{
il.Ldc_I4(0);
}
// instantiate ParamInfo
il.Newobj(paramInfoConstructor);
il.Stloc(paramInfo);
// Set ParamInfo.Value
il.Ldloc(paramInfo);
il.Ldarg(parameter.Position + 1);
if (parameter.IsOut || parameter.ParameterType.IsByRef)
{
il.Ldobj(parameter.ParameterType.GetElementType());
if (parameter.ParameterType.GetElementType().IsValueType || parameter.ParameterType.GetElementType().IsGenericParameter)
{
il.Box(parameter.ParameterType.GetElementType());
}
}
else
{
if (parameter.ParameterType.IsValueType || parameter.ParameterType.IsGenericParameter)
{
il.Box(parameter.ParameterType);
}
}
il.Call(paramInfoValueSetter);
il.Nop();
// push to array
il.Ldloc(paramInfo);
il.Stelem(paramInfoType);
}
il.Ldarg(0);
il.Ldloc(paramsInfo);
if (overridedMethod.IsGenericMethodDefinition)
{
il.Call(@delegate.MakeGenericMethod(genericParameterTypes));
}
else
{
il.Call(@delegate);
}
idx = 1;
var paramInfoValueGetter = paramInfoType.GetProperty("Value").GetGetMethod();
foreach (var parameter in methodParams)
{
if (parameter.IsOut || parameter.ParameterType.IsByRef)
{
il.Ldarg(idx);
il.Ldloc(paramsInfo);
il.Ldc_I4(idx - 1);
il.Ldelem(paramInfoType);
il.Call(paramInfoValueGetter);
if (parameter.ParameterType.GetElementType().IsValueType)
{
il.Unbox_Any(parameter.ParameterType.GetElementType());
}
il.Stobj(parameter.ParameterType.GetElementType());
}
idx++;
}
il.Ret();
LogIlCode(il);
}
}