Here are the examples of the csharp api System.Reflection.Emit.ILGenerator.Emit(System.Reflection.Emit.OpCode) taken from open source projects. By voting up you can indicate which examples are most useful and appropriate.
1695 Examples
19
Source : EntityMapperProvider.cs
with Apache License 2.0
from 1448376744
with Apache License 2.0
from 1448376744
private Func<IDataRecord, T> CreateTypeSerializerHandler<T>(MemberMapper mapper, IDataRecord record)
{
var type = typeof(T);
var methodName = $"Serializer{Guid.NewGuid():N}";
var dynamicMethod = new DynamicMethod(methodName, type, new Type[] { typeof(IDataRecord) }, type, true);
var generator = dynamicMethod.GetILGenerator();
LocalBuilder local = generator.DeclareLocal(type);
var dataInfos = new DataReaderCellInfo[record.FieldCount];
for (int i = 0; i < record.FieldCount; i++)
{
var dataname = record.GetName(i);
var datatype = record.GetFieldType(i);
var typename = record.GetDataTypeName(i);
dataInfos[i] = new DataReaderCellInfo(i, typename, datatype, dataname);
}
if (dataInfos.Length == 1 && (type.IsValueType || type == typeof(string) || type == typeof(object)))
{
var dataInfo = dataInfos.First();
var convertMethod = mapper.FindConvertMethod(type, dataInfo.DataType);
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldc_I4, 0);
if (convertMethod.IsVirtual)
generator.Emit(OpCodes.Callvirt, convertMethod);
else
generator.Emit(OpCodes.Call, convertMethod);
if (type == typeof(object) && convertMethod.ReturnType.IsValueType)
{
generator.Emit(OpCodes.Box, convertMethod.ReturnType);
}
generator.Emit(OpCodes.Stloc, local);
generator.Emit(OpCodes.Ldloc, local);
generator.Emit(OpCodes.Ret);
return dynamicMethod.CreateDelegate(typeof(Func<IDataRecord, T>)) as Func<IDataRecord, T>;
}
var constructor = mapper.FindConstructor(type);
if (constructor.GetParameters().Length > 0)
{
var parameters = constructor.GetParameters();
var locals = new LocalBuilder[parameters.Length];
for (int i = 0; i < locals.Length; i++)
{
locals[i] = generator.DeclareLocal(parameters[i].ParameterType);
}
for (int i = 0; i < locals.Length; i++)
{
var item = mapper.FindConstructorParameter(dataInfos, parameters[i]);
if (item == null)
{
continue;
}
var convertMethod = mapper.FindConvertMethod(parameters[i].ParameterType, item.DataType);
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldc_I4, item.Ordinal);
if (convertMethod.IsVirtual)
generator.Emit(OpCodes.Callvirt, convertMethod);
else
generator.Emit(OpCodes.Call, convertMethod);
generator.Emit(OpCodes.Stloc, locals[i]);
}
for (int i = 0; i < locals.Length; i++)
{
generator.Emit(OpCodes.Ldloc, locals[i]);
}
generator.Emit(OpCodes.Newobj, constructor);
generator.Emit(OpCodes.Stloc, local);
generator.Emit(OpCodes.Ldloc, local);
generator.Emit(OpCodes.Ret);
return dynamicMethod.CreateDelegate(typeof(Func<IDataRecord, T>)) as Func<IDataRecord, T>;
}
else
{
var properties = type.GetProperties();
generator.Emit(OpCodes.Newobj, constructor);
generator.Emit(OpCodes.Stloc, local);
foreach (var item in dataInfos)
{
var property = mapper.FindMember(properties, item) as PropertyInfo;
if (property == null)
{
continue;
}
var convertMethod = mapper.FindConvertMethod(property.PropertyType, item.DataType);
if (convertMethod == null)
{
continue;
}
int i = record.GetOrdinal(item.DataName);
generator.Emit(OpCodes.Ldloc, local);
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldc_I4, i);
if (convertMethod.IsVirtual)
generator.Emit(OpCodes.Callvirt, convertMethod);
else
generator.Emit(OpCodes.Call, convertMethod);
generator.Emit(OpCodes.Callvirt, property.GetSetMethod());
}
generator.Emit(OpCodes.Ldloc, local);
generator.Emit(OpCodes.Ret);
return dynamicMethod.CreateDelegate(typeof(Func<IDataRecord, T>)) as Func<IDataRecord, T>;
}
}
19
Source : EntityMapperProvider.cs
with Apache License 2.0
from 1448376744
with Apache License 2.0
from 1448376744
private Func<object, Dictionary<string, object>> CreateTypeDeserializerHandler(Type type)
{
var properties = type.GetProperties(BindingFlags.Public | BindingFlags.Instance);
var methodName = $"{type.Name}Deserializer{Guid.NewGuid():N}";
var dynamicMethod = new DynamicMethod(methodName, typeof(Dictionary<string, object>), new Type[] { typeof(object) }, type, true);
var generator = dynamicMethod.GetILGenerator();
LocalBuilder enreplacedyLocal1 = generator.DeclareLocal(typeof(Dictionary<string, object>));
LocalBuilder enreplacedyLocal2 = generator.DeclareLocal(type);
generator.Emit(OpCodes.Newobj, typeof(Dictionary<string, object>).GetConstructor(Type.EmptyTypes));
generator.Emit(OpCodes.Stloc, enreplacedyLocal1);
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Castclreplaced, type);
generator.Emit(OpCodes.Stloc, enreplacedyLocal2);
foreach (var item in properties)
{
generator.Emit(OpCodes.Ldloc, enreplacedyLocal1);
generator.Emit(OpCodes.Ldstr, item.Name);
generator.Emit(OpCodes.Ldloc, enreplacedyLocal2);
generator.Emit(OpCodes.Callvirt, item.GetGetMethod());
if (item.PropertyType.IsValueType)
{
generator.Emit(OpCodes.Box, item.PropertyType);
}
var addMethod = typeof(Dictionary<string, object>).GetMethod(nameof(Dictionary<string, object>.Add), new Type[] { typeof(string), typeof(object) });
generator.Emit(OpCodes.Callvirt, addMethod);
}
generator.Emit(OpCodes.Ldloc, enreplacedyLocal1);
generator.Emit(OpCodes.Ret);
return dynamicMethod.CreateDelegate(typeof(Func<object, Dictionary<string, object>>)) as Func<object, Dictionary<string, object>>;
}
19
Source : EmitHelper.cs
with MIT License
from 1996v
with MIT License
from 1996v
public static void EmitDefault(this ILGenerator il, Type type)
{
switch (Type.GetTypeCode(type))
{
case TypeCode.DateTime:
il.Emit(OpCodes.Ldsfld, typeof(DateTime).GetField(nameof(DateTime.MinValue)));
return;
case TypeCode.Decimal:
il.Emit(OpCodes.Ldsfld, typeof(decimal).GetField(nameof(decimal.Zero)));
return;
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
il.Emit(OpCodes.Ldc_I4_0);
return;
case TypeCode.Int64:
case TypeCode.UInt64:
il.Emit(OpCodes.Ldc_I4_0);
il.Emit(OpCodes.Conv_I8);
return;
case TypeCode.Single:
il.Emit(OpCodes.Ldc_R4, default(float));
return;
case TypeCode.Double:
il.Emit(OpCodes.Ldc_R8, default(double));
return;
}
if (type.IsValueType)
{
LocalBuilder lb = il.DeclareLocal(type);
il.Emit(OpCodes.Ldloca, lb);
il.Emit(OpCodes.Initobj, type);
il.Emit(OpCodes.Ldloc, lb);
}
else
{
il.Emit(OpCodes.Ldnull);
}
}
19
Source : EmitHelper.cs
with MIT License
from 1996v
with MIT License
from 1996v
public static void EmitStloc(this ILGenerator il, int index)
{
switch (index)
{
case 0:
il.Emit(OpCodes.Stloc_0);
break;
case 1:
il.Emit(OpCodes.Stloc_1);
break;
case 2:
il.Emit(OpCodes.Stloc_2);
break;
case 3:
il.Emit(OpCodes.Stloc_3);
break;
default:
if (index <= 255)
{
il.Emit(OpCodes.Stloc_S, (byte)index);
}
else
{
il.Emit(OpCodes.Stloc, (short)index);
}
break;
}
}
19
Source : EmitHelper.cs
with MIT License
from 1996v
with MIT License
from 1996v
public static void EmitLdloc(this ILGenerator il, int index)
{
switch (index)
{
case 0:
il.Emit(OpCodes.Ldloc_0);
break;
case 1:
il.Emit(OpCodes.Ldloc_1);
break;
case 2:
il.Emit(OpCodes.Ldloc_2);
break;
case 3:
il.Emit(OpCodes.Ldloc_3);
break;
default:
if (index <= 255)
{
il.Emit(OpCodes.Ldloc_S, (byte)index);
}
else
{
il.Emit(OpCodes.Ldloc, (short)index);
}
break;
}
}
19
Source : EmitHelper.cs
with MIT License
from 1996v
with MIT License
from 1996v
public static void EmitLdarg(this ILGenerator il, int index)
{
switch (index)
{
case 0:
il.Emit(OpCodes.Ldarg_0);
break;
case 1:
il.Emit(OpCodes.Ldarg_1);
break;
case 2:
il.Emit(OpCodes.Ldarg_2);
break;
case 3:
il.Emit(OpCodes.Ldarg_3);
break;
default:
if (index <= 255)
{
il.Emit(OpCodes.Ldarg_S, (byte)index);
}
else
{
il.Emit(OpCodes.Ldarg, index);
}
break;
}
}
19
Source : EmitHelper.cs
with MIT License
from 1996v
with MIT License
from 1996v
public static void EmitLdc_I4(this ILGenerator il, int value)
{
switch (value)
{
case -1:
il.Emit(OpCodes.Ldc_I4_M1);
break;
case 0:
il.Emit(OpCodes.Ldc_I4_0);
break;
case 1:
il.Emit(OpCodes.Ldc_I4_1);
break;
case 2:
il.Emit(OpCodes.Ldc_I4_2);
break;
case 3:
il.Emit(OpCodes.Ldc_I4_3);
break;
case 4:
il.Emit(OpCodes.Ldc_I4_4);
break;
case 5:
il.Emit(OpCodes.Ldc_I4_5);
break;
case 6:
il.Emit(OpCodes.Ldc_I4_6);
break;
case 7:
il.Emit(OpCodes.Ldc_I4_7);
break;
case 8:
il.Emit(OpCodes.Ldc_I4_8);
break;
default:
if (value >= -128 && value <= 127)
{
il.Emit(OpCodes.Ldc_I4_S, (sbyte)value);
}
else
{
il.Emit(OpCodes.Ldc_I4, value);
}
break;
}
}
19
Source : InterfaceImplementation.cs
with MIT License
from 1996v
with MIT License
from 1996v
public static Type CreateType(Type interfaceType)
{
try
{
TypeBuilder typeBuilder = Impreplacedembly.DefineInterfaceImpType(interfaceType);
List<MemberInfo> allMembers = interfaceType.GetAllInterfaceMembers();
List<MethodInfo> propertyInfos = new List<MethodInfo>();
foreach (PropertyInfo prop in allMembers.OfType<PropertyInfo>())
{
Type propType = prop.PropertyType;
PropertyBuilder propBuilder = typeBuilder.DefineProperty(prop.Name, prop.Attributes, propType, Type.EmptyTypes);
MethodInfo iGetter = prop.GetMethod;
MethodInfo iSetter = prop.SetMethod;
if (iGetter != null)
{
propertyInfos.Add(iGetter);
}
if (iSetter != null)
{
propertyInfos.Add(iSetter);
}
if (prop.Name == "Item")
{
if (iGetter != null)
{
MethodAttributes accessor = iGetter.Attributes;
accessor &= ~MethodAttributes.Abstract;
MethodBuilder methBuilder = typeBuilder.DefineMethod(iGetter.Name, accessor, iGetter.ReturnType, iGetter.GetParameters().Select(e => e.ParameterType).ToArray());
ILGenerator il = methBuilder.GetILGenerator();
il.Emit(OpCodes.Newobj, typeof(NotImplementedException).GetConstructors()[0]);
il.Emit(OpCodes.Throw);
propBuilder.SetGetMethod(methBuilder);
}
if (iSetter != null)
{
MethodAttributes accessor = iSetter.Attributes;
accessor &= ~MethodAttributes.Abstract;
MethodBuilder methBuilder = typeBuilder.DefineMethod(iSetter.Name, accessor, iSetter.ReturnType, iSetter.GetParameters().Select(e => e.ParameterType).ToArray());
ILGenerator il = methBuilder.GetILGenerator();
il.Emit(OpCodes.Newobj, typeof(NotImplementedException).GetConstructors()[0]);
il.Emit(OpCodes.Throw);
propBuilder.SetSetMethod(methBuilder);
}
continue;
}
Func<FieldInfo> getBackingField;
{
FieldInfo backingField = null;
getBackingField =
() =>
{
if (backingField == null)
{
backingField = typeBuilder.DefineField("_" + prop.Name + "_" + Guid.NewGuid(), propType, FieldAttributes.Private);
}
return backingField;
};
}
if (iGetter != null)
{
MethodAttributes accessor = iGetter.Attributes;
accessor &= ~MethodAttributes.Abstract;
MethodBuilder methBuilder = typeBuilder.DefineMethod(iGetter.Name, accessor, propType, Type.EmptyTypes);
ILGenerator il = methBuilder.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, getBackingField());
il.Emit(OpCodes.Ret);
propBuilder.SetGetMethod(methBuilder);
}
if (iGetter != null || iSetter != null)
{
MethodAttributes accessor = iSetter != null ? iSetter.Attributes : MethodAttributes.Private;
string name = iSetter != null ? iSetter.Name : "set_" + prop.Name;
accessor &= ~MethodAttributes.Abstract;
MethodBuilder methBuilder = typeBuilder.DefineMethod(name, accessor, typeof(void), new[] { propType });
ILGenerator il = methBuilder.GetILGenerator();
if (iGetter != null)
{
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Stfld, getBackingField());
il.Emit(OpCodes.Ret);
}
else
{
il.Emit(OpCodes.Ret);
}
propBuilder.SetSetMethod(methBuilder);
}
}
foreach (MethodInfo method in allMembers.OfType<MethodInfo>().Except(propertyInfos))
{
MethodBuilder methBuilder = typeBuilder.DefineMethod(method.Name, MethodAttributes.Private | MethodAttributes.HideBySig | MethodAttributes.NewSlot | MethodAttributes.Virtual | MethodAttributes.Final, method.ReturnType, method.GetParameters().Select(e => e.ParameterType).ToArray());
if (method.IsGenericMethod)
{
methBuilder.DefineGenericParameters(method.GetGenericArguments().Select(e => e.Name).ToArray());
}
ILGenerator il = methBuilder.GetILGenerator();
il.Emit(OpCodes.Newobj, typeof(NotImplementedException).GetConstructors()[0]);
il.Emit(OpCodes.Throw);
typeBuilder.DefineMethodOverride(methBuilder, method);
}
return typeBuilder.CreateTypeInfo();
}
catch
{
throw BssomSerializationTypeFormatterException.UnsupportedType(interfaceType);
}
}
19
Source : TypeBuildHelper.cs
with MIT License
from 1996v
with MIT License
from 1996v
public static void CallOneMethodInSerialize(MethodBuilder serialize, MethodInfo method)
{
ILGenerator il = serialize.GetILGenerator();
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldarg_3);
il.Emit(OpCodes.Call, method);
il.Emit(OpCodes.Ret);
}
19
Source : TypeBuildHelper.cs
with MIT License
from 1996v
with MIT License
from 1996v
public static void CallSerializeDelegate(MethodBuilder serializeMethod, Type genericType, FieldInfo fieldInfo)
{
ILGenerator il = serializeMethod.GetILGenerator();
il.Emit(OpCodes.Ldsfld, fieldInfo);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldarg_3);
il.Emit(OpCodes.Call, typeof(Serialize<>).MakeGenericType(genericType).GetMethod(nameof(Serialize<int>.Invoke)));
il.Emit(OpCodes.Ret);
}
19
Source : TypeBuildHelper.cs
with MIT License
from 1996v
with MIT License
from 1996v
public static void CallOneMethodInDeserialize(MethodBuilder deserialize, MethodInfo method)
{
ILGenerator il = deserialize.GetILGenerator();
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Call, method);
il.Emit(OpCodes.Ret);
}
19
Source : TypeBuildHelper.cs
with MIT License
from 1996v
with MIT License
from 1996v
public static void CallOneStaticFieldMethodInDeserialize(MethodBuilder deserialize, FieldInfo fieldInfo, MethodInfo method)
{
ILGenerator il = deserialize.GetILGenerator();
il.Emit(OpCodes.Ldsfld, fieldInfo);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Callvirt, method);
il.Emit(OpCodes.Ret);
}
19
Source : TypeBuildHelper.cs
with MIT License
from 1996v
with MIT License
from 1996v
public static void CallDeserializeDelegate(MethodBuilder deserializeMethod, Type genericType, FieldInfo fieldInfo)
{
ILGenerator il = deserializeMethod.GetILGenerator();
il.Emit(OpCodes.Ldsfld, fieldInfo);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Call, typeof(Deserialize<>).MakeGenericType(genericType).GetMethod(nameof(Deserialize<int>.Invoke)));
il.Emit(OpCodes.Ret);
}
19
Source : TypeBuildHelper.cs
with MIT License
from 1996v
with MIT License
from 1996v
public static void CallOneMethodInSize(MethodBuilder serialize, MethodInfo method)
{
ILGenerator il = serialize.GetILGenerator();
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Call, method);
il.Emit(OpCodes.Ret);
}
19
Source : TypeBuildHelper.cs
with MIT License
from 1996v
with MIT License
from 1996v
public static void CallSizeDelegate(MethodBuilder serializeMethod, Type genericType, FieldInfo fieldInfo)
{
ILGenerator il = serializeMethod.GetILGenerator();
il.Emit(OpCodes.Ldsfld, fieldInfo);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Call, typeof(Size<>).MakeGenericType(genericType).GetMethod(nameof(Size<int>.Invoke)));
il.Emit(OpCodes.Ret);
}
19
Source : Redirection.Reactive.cs
with MIT License
from 71
with MIT License
from 71
private static MethodRedirection CreateDynamicRedirection(MethodBase method, out int id)
{
// Make id
do
{
id = ObservingRedirectionsIdGenerator.Next();
}
while (ObservingRedirections.ContainsKey(id));
// Creates an array containing all parameter types
int diff = method.IsStatic ? 0 : 1;
ParameterInfo[] originalParameters = method.GetParameters();
Type[] originalParameterTypes = new Type[originalParameters.Length + diff];
if (diff == 1 /* !method.IsStatic */)
originalParameterTypes[0] = method.DeclaringType;
for (int i = 0; i < originalParameters.Length; i++)
{
originalParameterTypes[i + diff] = originalParameters[i].ParameterType;
}
// Create an identical method
bool isCtor = method is ConstructorInfo;
Type returnType = isCtor ? typeof(void) : ((MethodInfo)method).ReturnType;
DynamicMethod dyn = new DynamicMethod(
name: method.Name,
attributes: MethodAttributes.Public | MethodAttributes.Static,
callingConvention: CallingConventions.Standard,
returnType: returnType,
parameterTypes: originalParameterTypes,
owner: method.DeclaringType,
skipVisibility: true);
// Make the method call the observable
ILGenerator il = dyn.GetILGenerator();
{
// This is in a block to make every more readable,
// the following comments describe what's happening in the generated method.
// Emit "this", or "null"
if (method.IsStatic)
{
il.Emit(OpCodes.Ldnull);
}
else
{
il.Emit(OpCodes.Ldarg_0);
if (method.DeclaringType.GetTypeInfo().IsValueType)
{
il.Emit(OpCodes.Ldobj, method.DeclaringType);
il.Emit(OpCodes.Box, method.DeclaringType);
}
}
// Create an array containing all parameters
il.Emit(OpCodes.Ldc_I4, originalParameters.Length);
il.Emit(OpCodes.Newarr, typeof(object));
for (int i = 0; i < originalParameters.Length; i++)
{
il.Emit(OpCodes.Dup);
il.Emit(OpCodes.Ldc_I4, i);
il.Emit(OpCodes.Ldarg, i + diff);
Type parameterType = originalParameterTypes[i + diff];
if (parameterType.GetTypeInfo().IsValueType)
il.Emit(OpCodes.Box, parameterType);
il.Emit(OpCodes.Stelem_Ref);
}
// Array is still on stack (thanks to dup)
// Emit id
il.Emit(OpCodes.Ldc_I4, id);
// Call "hook" method
il.Emit(OpCodes.Call, typeof(Redirection).GetMethod(nameof(OnInvoked), BindingFlags.Static | BindingFlags.NonPublic));
// Return returned result
// (But first, cast it if needed)
if (returnType == typeof(void))
il.Emit(OpCodes.Pop);
else if (returnType.GetTypeInfo().IsValueType)
il.Emit(OpCodes.Unbox_Any, returnType);
else if (returnType != typeof(object))
il.Emit(OpCodes.Castclreplaced, returnType);
il.Emit(OpCodes.Ret);
}
// Return the redirection
return new MethodRedirection(method, dyn, false);
}
19
Source : Ryder.Lightweight.cs
with MIT License
from 71
with MIT License
from 71
private static Func<DynamicMethod, RuntimeMethodHandle> MakeFindMethodHandleOfDynamicMethod()
{
// Generate the "FindMethodHandleOfDynamicMethod" delegate.
DynamicMethod findMethodHandle = new DynamicMethod(
nameof(FindMethodHandleOfDynamicMethod),
typeof(RuntimeMethodHandle),
new[] { typeof(DynamicMethod) },
typeof(DynamicMethod), true);
ILGenerator il = findMethodHandle.GetILGenerator(16);
il.Emit(OpCodes.Ldarg_0);
MethodInfo getMethodDescriptor = typeof(DynamicMethod)
.GetMethod("GetMethodDescriptor", NON_PUBLIC_INSTANCE);
if (getMethodDescriptor != null)
{
il.Emit(OpCodes.Callvirt, getMethodDescriptor);
}
else
{
FieldInfo handleField = typeof(DynamicMethod).GetField("m_method", NON_PUBLIC_INSTANCE)
?? typeof(DynamicMethod).GetField("mhandle", NON_PUBLIC_INSTANCE)
?? typeof(DynamicMethod).GetField("m_methodHandle", NON_PUBLIC_INSTANCE);
il.Emit(OpCodes.Ldfld, handleField);
}
il.Emit(OpCodes.Ret);
return findMethodHandle.CreateDelegate(typeof(Func<DynamicMethod, RuntimeMethodHandle>))
as Func<DynamicMethod, RuntimeMethodHandle>;
}
19
Source : Ryder.Lightweight.cs
with MIT License
from 71
with MIT License
from 71
private static Func<MethodBase, RuntimeMethodHandle> MakeGetMethodHandle()
{
// Generate the "GetMethodHandle" delegate.
DynamicMethod getMethodHandle = new DynamicMethod(
nameof(GetMethodHandle),
typeof(RuntimeMethodHandle),
new[] { typeof(MethodBase) },
typeof(RuntimeMethodHandle), true);
ILGenerator il = getMethodHandle.GetILGenerator(16);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Callvirt, typeof(MethodBase).GetProperty("MethodHandle", PUBLIC_INSTANCE).GetMethod);
il.Emit(OpCodes.Ret);
return getMethodHandle.CreateDelegate(typeof(Func<MethodBase, RuntimeMethodHandle>))
as Func<MethodBase, RuntimeMethodHandle>;
}
19
Source : Ryder.Lightweight.cs
with MIT License
from 71
with MIT License
from 71
private static Func<RuntimeMethodHandle, IntPtr> MakeGetFunctionPointer()
{
// Generate the "GetFunctionPointer" delegate.
DynamicMethod getFunctionPointer = new DynamicMethod(
nameof(GetFunctionPointer),
typeof(IntPtr),
new[] { typeof(RuntimeMethodHandle) },
typeof(RuntimeMethodHandle), true);
ILGenerator il = getFunctionPointer.GetILGenerator(16);
il.Emit(OpCodes.Ldarga_S, (short)0);
il.Emit(OpCodes.Call, typeof(RuntimeMethodHandle).GetMethod(nameof(GetFunctionPointer), PUBLIC_INSTANCE));
il.Emit(OpCodes.Ret);
return getFunctionPointer.CreateDelegate(typeof(Func<RuntimeMethodHandle, IntPtr>))
as Func<RuntimeMethodHandle, IntPtr>;
}
19
Source : Helpers.cs
with MIT License
from 71
with MIT License
from 71
private static Func<DynamicMethod, RuntimeMethodHandle> MakeFindMethodHandleOfDynamicMethod()
{
// Generate the "FindMethodHandleOfDynamicMethod" delegate.
DynamicMethod findMethodHandle = new DynamicMethod(
nameof(FindMethodHandleOfDynamicMethod),
typeof(RuntimeMethodHandle),
new[] { typeof(DynamicMethod) },
typeof(DynamicMethod), true);
ILGenerator il = findMethodHandle.GetILGenerator(16);
il.Emit(OpCodes.Ldarg_0);
MethodInfo getMethodDescriptor = typeof(DynamicMethod)
.GetMethod("GetMethodDescriptor", NON_PUBLIC_INSTANCE);
if (getMethodDescriptor != null)
{
il.Emit(OpCodes.Callvirt, getMethodDescriptor);
}
else
{
FieldInfo handleField = typeof(DynamicMethod).GetField("m_method", NON_PUBLIC_INSTANCE)
?? typeof(DynamicMethod).GetField("mhandle", NON_PUBLIC_INSTANCE)
?? typeof(DynamicMethod).GetField("m_methodHandle", NON_PUBLIC_INSTANCE);
il.Emit(OpCodes.Ldfld, handleField);
}
il.Emit(OpCodes.Ret);
return findMethodHandle.CreateDelegate(typeof(Func<DynamicMethod, RuntimeMethodHandle>))
as Func<DynamicMethod, RuntimeMethodHandle>;
}
19
Source : Helpers.cs
with MIT License
from 71
with MIT License
from 71
private static Func<MethodBase, RuntimeMethodHandle> MakeGetMethodHandle()
{
// Generate the "GetMethodHandle" delegate.
DynamicMethod getMethodHandle = new DynamicMethod(
nameof(GetMethodHandle),
typeof(RuntimeMethodHandle),
new[] { typeof(MethodBase) },
typeof(RuntimeMethodHandle), true);
ILGenerator il = getMethodHandle.GetILGenerator(16);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Callvirt, typeof(MethodBase).GetProperty("MethodHandle", PUBLIC_INSTANCE).GetMethod);
il.Emit(OpCodes.Ret);
return getMethodHandle.CreateDelegate(typeof(Func<MethodBase, RuntimeMethodHandle>))
as Func<MethodBase, RuntimeMethodHandle>;
}
19
Source : Helpers.cs
with MIT License
from 71
with MIT License
from 71
private static Func<RuntimeMethodHandle, IntPtr> MakeGetFunctionPointer()
{
// Generate the "GetFunctionPointer" delegate.
DynamicMethod getFunctionPointer = new DynamicMethod(
nameof(GetFunctionPointer),
typeof(IntPtr),
new[] { typeof(RuntimeMethodHandle) },
typeof(RuntimeMethodHandle), true);
ILGenerator il = getFunctionPointer.GetILGenerator(16);
il.Emit(OpCodes.Ldarga_S, (short)0);
il.Emit(OpCodes.Call, typeof(RuntimeMethodHandle).GetMethod(nameof(GetFunctionPointer), PUBLIC_INSTANCE));
il.Emit(OpCodes.Ret);
return getFunctionPointer.CreateDelegate(typeof(Func<RuntimeMethodHandle, IntPtr>))
as Func<RuntimeMethodHandle, IntPtr>;
}
19
Source : ReaderCache.cs
with Apache License 2.0
from aadreja
with Apache License 2.0
from aadreja
internal static Func<IDataReader, T> ReaderToObject(IDataReader rdr)
{
MethodInfo rdrGetValueMethod = rdr.GetType().GetMethod("get_Item", new Type[] { typeof(int) });
Type[] args = { typeof(IDataReader) };
DynamicMethod method = new DynamicMethod("DynamicRead" + Guid.NewGuid().ToString(), typeof(T), args, typeof(Repository<T>).Module, true);
ILGenerator il = method.GetILGenerator();
LocalBuilder result = il.DeclareLocal(typeof(T)); //loc_0
il.Emit(OpCodes.Newobj, typeof(T).GetConstructor(Type.EmptyTypes));
il.Emit(OpCodes.Stloc_0, result); //Pops the current value from the top of the evaluation stack and stores it in a the local variable list at a specified index.
Label tryBlock = il.BeginExceptionBlock();
LocalBuilder valueCopy = il.DeclareLocal(typeof(object)); //declare local variable to store object value. loc_1
il.DeclareLocal(typeof(int)); //declare local variable to store index //loc_2
il.Emit(OpCodes.Ldc_I4_0); //load 0 in index
il.Emit(OpCodes.Stloc_2); //pop and save to local variable loc 2
//get FieldInfo of all properties
TableAttribute tableInfo = EnreplacedyCache.Get(typeof(T));
for (int i = 0; i < rdr.FieldCount; i++)
{
tableInfo.Columns.TryGetValue(rdr.GetName(i), out ColumnAttribute columnInfo);
if (columnInfo != null && columnInfo.SetMethod != null)
{
Label endIfLabel = il.DefineLabel();
il.Emit(OpCodes.Ldarg_0);//load the argument. Loads the argument at index 0 onto the evaluation stack.
il.Emit(OpCodes.Ldc_I4, i); //push field index as int32 to the stack. Pushes a supplied value of type int32 onto the evaluation stack as an int32.
il.Emit(OpCodes.Dup);//copy value
il.Emit(OpCodes.Stloc_2);//pop and save value to loc 2
il.Emit(OpCodes.Callvirt, rdrGetValueMethod); //Call rdr[i] method - Calls a late - bound method on an object, pushing the return value onto the evaluation stack.
//TODO: dynamic location using valueCopyLocal
il.Emit(OpCodes.Stloc_1); //pop the value and push in stack location 1
il.Emit(OpCodes.Ldloc_1); //load the variable in location 1
il.Emit(OpCodes.Isinst, typeof(DBNull)); //check whether value is null - Tests whether an object reference (type O) is an instance of a particular clreplaced.
il.Emit(OpCodes.Brtrue, endIfLabel); //go to end block if value is null
il.Emit(OpCodes.Ldloc_0); //load T result
il.Emit(OpCodes.Ldloc_1); //TODO: dynamic location using valueCopyLocal
//when Enum are without number values
if (columnInfo.Property.PropertyType.IsEnum)
{
Type numericType = Enum.GetUnderlyingType(columnInfo.Property.PropertyType);
if (rdr.GetFieldType(i) == typeof(string))
{
LocalBuilder stringEnumLocal = il.DeclareLocal(typeof(string));
il.Emit(OpCodes.Castclreplaced, typeof(string)); // stack is now [...][string]
il.Emit(OpCodes.Stloc, stringEnumLocal); // stack is now [...]
il.Emit(OpCodes.Ldtoken, columnInfo.Property.PropertyType); // stack is now [...][enum-type-token]
il.EmitCall(OpCodes.Call, typeof(Type).GetMethod(nameof(Type.GetTypeFromHandle)), null);// stack is now [...][enum-type]
il.Emit(OpCodes.Ldloc, stringEnumLocal); // stack is now [...][enum-type][string]
il.Emit(OpCodes.Ldc_I4_1); // stack is now [...][enum-type][string][true]
il.EmitCall(OpCodes.Call, enumParse, null); // stack is now [...][enum-as-object]
il.Emit(OpCodes.Unbox_Any, columnInfo.Property.PropertyType); // stack is now [...][typed-value]
}
else
{
ConvertValueToEnum(il, rdr.GetFieldType(i), columnInfo.Property.PropertyType, numericType);
}
}
else if (columnInfo.Property.PropertyType.IsValueType)
il.Emit(OpCodes.Unbox_Any, rdr.GetFieldType(i)); //type cast
// for nullable type fields
if (columnInfo.Property.PropertyType.IsGenericType && columnInfo.Property.PropertyType.GetGenericTypeDefinition() == typeof(Nullable<>))
{
var underlyingType = Nullable.GetUnderlyingType(columnInfo.Property.PropertyType);
il.Emit(OpCodes.Newobj, columnInfo.Property.PropertyType.GetConstructor(new Type[] { underlyingType }));
}
il.Emit(OpCodes.Callvirt, columnInfo.SetMethod);
il.Emit(OpCodes.Nop);
il.MarkLabel(endIfLabel);
}
}
il.BeginCatchBlock(typeof(Exception)); //begin try block. exception is in stack
il.Emit(OpCodes.Ldloc_2); //load index
il.Emit(OpCodes.Ldarg_0); //load argument reader
il.Emit(OpCodes.Ldloc_1); //load value //TODO: dynamic location using valueCopyLocal
il.EmitCall(OpCodes.Call, typeof(ReaderCache<T>).GetMethod(nameof(ReaderCache<T>.HandleException)), null); //call exception handler
il.EndExceptionBlock();
il.Emit(OpCodes.Ldloc, result);
il.Emit(OpCodes.Ret);
var funcType = System.Linq.Expressions.Expression.GetFuncType(typeof(IDataReader), typeof(T));
return (Func<IDataReader, T>)method.CreateDelegate(funcType);
}
19
Source : EntityCache.cs
with Apache License 2.0
from aadreja
with Apache License 2.0
from aadreja
internal static T CloneObjectWithIL<T>(T enreplacedy)
{
Type mainType = typeof(T);
if (!CachedCloneIL.TryGetValue(mainType, out Delegate cloneIL))
{
// Create ILGenerator
DynamicMethod dymMethod = new DynamicMethod("DoClone", mainType, new Type[] { mainType }, true);
ConstructorInfo cInfo = mainType.GetConstructor(new Type[] { });
ILGenerator generator = dymMethod.GetILGenerator();
LocalBuilder lbf = generator.DeclareLocal(mainType);
//lbf.SetLocalSymInfo("_temp");
generator.Emit(OpCodes.Newobj, cInfo); //create new instance of object
generator.Emit(OpCodes.Stloc_0); //load in memory
Type type = mainType;
while (type != null && type != typeof(object))
{
foreach (FieldInfo field in type.GetFields(BindingFlags.Instance
| BindingFlags.Public
| BindingFlags.NonPublic))
{
// Load the new object on the eval stack... (currently 1 item on eval stack)
generator.Emit(OpCodes.Ldloc_0);
// Load initial object (parameter) (currently 2 items on eval stack)
generator.Emit(OpCodes.Ldarg_0);
// Replace value by field value (still currently 2 items on eval stack)
generator.Emit(OpCodes.Ldfld, field);
// Store the value of the top on the eval stack into the object underneath that value on the value stack.
// (0 items on eval stack)
generator.Emit(OpCodes.Stfld, field);
}
type = type.BaseType;
}
// Load new constructed obj on eval stack -> 1 item on stack
generator.Emit(OpCodes.Ldloc_0);
// Return constructed object. --> 0 items on stack
generator.Emit(OpCodes.Ret);
cloneIL = dymMethod.CreateDelegate(typeof(Func<T, T>));
CachedCloneIL.Add(mainType, cloneIL);
}
return ((Func<T, T>)cloneIL)(enreplacedy);
}
19
Source : Helper.cs
with Apache License 2.0
from aadreja
with Apache License 2.0
from aadreja
internal static Func<object, object> CreateGetProperty(Type enreplacedyType, string propertyName)
{
MethodInfo mi = enreplacedyType.GetProperty(propertyName).GetMethod;
if (mi == null) return null; //no get property
Type[] args = new Type[] { typeof(object) };
DynamicMethod method = new DynamicMethod("Get_" + enreplacedyType.Name + "_" + propertyName, typeof(object), args, enreplacedyType.Module, true);
ILGenerator getIL = method.GetILGenerator();
getIL.DeclareLocal(typeof(object));
getIL.Emit(OpCodes.Ldarg_0); //Load the first argument
//(target object)
//Cast to the source type
getIL.Emit(OpCodes.Castclreplaced, enreplacedyType);
//Get the property value
getIL.EmitCall(OpCodes.Call, mi, null);
if (mi.ReturnType.IsValueType)
{
getIL.Emit(OpCodes.Box, mi.ReturnType);
//Box if necessary
}
getIL.Emit(OpCodes.Stloc_0); //Store it
getIL.Emit(OpCodes.Ldloc_0);
getIL.Emit(OpCodes.Ret);
var funcType = System.Linq.Expressions.Expression.GetFuncType(typeof(object), typeof(object));
return (Func<object, object>)method.CreateDelegate(funcType);
}
19
Source : Helper.cs
with Apache License 2.0
from aadreja
with Apache License 2.0
from aadreja
internal static Action<object, object> CreateSetProperty(Type enreplacedyType, string propertyName)
{
MethodInfo mi = enreplacedyType.GetProperty(propertyName).SetMethod;
if (mi == null) return null; //no set property
Type[] args = new Type[] { typeof(object), typeof(object) };
DynamicMethod method = new DynamicMethod("Set_" + enreplacedyType.Name + "_" + propertyName, null, args, enreplacedyType.Module, true);
ILGenerator setIL = method.GetILGenerator();
Type paramType = mi.GetParameters()[0].ParameterType;
//setIL.DeclareLocal(typeof(object));
setIL.Emit(OpCodes.Ldarg_0); //Load the first argument [Enreplacedy]
//(target object)
//Cast to the source type
setIL.Emit(OpCodes.Castclreplaced, enreplacedyType);
setIL.Emit(OpCodes.Ldarg_1); //Load the second argument [Value]
//(value object)
if (paramType.IsValueType)
{
setIL.Emit(OpCodes.Unbox, paramType); //Unbox it
if (mTypeHash[paramType] != null) //and load
{
OpCode load = (OpCode)mTypeHash[paramType];
setIL.Emit(load);
}
else
{
setIL.Emit(OpCodes.Ldobj, paramType);
}
}
else
{
setIL.Emit(OpCodes.Castclreplaced, paramType); //Cast clreplaced
}
setIL.EmitCall(OpCodes.Callvirt, mi, null); //Set the property value
setIL.Emit(OpCodes.Ret);
var actionType = System.Linq.Expressions.Expression.GetActionType(typeof(object), typeof(object));
return (Action<object, object>)method.CreateDelegate(actionType);
}
19
Source : ReaderCache.cs
with Apache License 2.0
from aadreja
with Apache License 2.0
from aadreja
private static void ConvertValueToEnum(ILGenerator il, Type from, Type to, Type via)
{
MethodInfo op;
if (from == (via ?? to))
{
il.Emit(OpCodes.Unbox_Any, to); // stack is now [target][target][typed-value]
}
else if ((op = GetOperator(from, to)) != null)
{
// this is handy for things like decimal <===> double
il.Emit(OpCodes.Unbox_Any, from); // stack is now [target][target][data-typed-value]
il.Emit(OpCodes.Call, op); // stack is now [target][target][typed-value]
}
else
{
bool handled = false;
OpCode opCode = default;
switch (Type.GetTypeCode(from))
{
case TypeCode.Boolean:
case TypeCode.Byte:
case TypeCode.SByte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
handled = true;
switch (Type.GetTypeCode(via ?? to))
{
case TypeCode.Byte:
opCode = OpCodes.Conv_Ovf_I1_Un; break;
case TypeCode.SByte:
opCode = OpCodes.Conv_Ovf_I1; break;
case TypeCode.UInt16:
opCode = OpCodes.Conv_Ovf_I2_Un; break;
case TypeCode.Int16:
opCode = OpCodes.Conv_Ovf_I2; break;
case TypeCode.UInt32:
opCode = OpCodes.Conv_Ovf_I4_Un; break;
case TypeCode.Boolean: // boolean is basically an int, at least at this level
case TypeCode.Int32:
opCode = OpCodes.Conv_Ovf_I4; break;
case TypeCode.UInt64:
opCode = OpCodes.Conv_Ovf_I8_Un; break;
case TypeCode.Int64:
opCode = OpCodes.Conv_Ovf_I8; break;
case TypeCode.Single:
opCode = OpCodes.Conv_R4; break;
case TypeCode.Double:
opCode = OpCodes.Conv_R8; break;
default:
handled = false;
break;
}
break;
}
if (handled)
{
il.Emit(OpCodes.Unbox_Any, from); // stack is now [target][target][col-typed-value]
il.Emit(opCode); // stack is now [target][target][typed-value]
if (to == typeof(bool))
{ // compare to zero; I checked "csc" - this is the trick it uses; nice
il.Emit(OpCodes.Ldc_I4_0);
il.Emit(OpCodes.Ceq);
il.Emit(OpCodes.Ldc_I4_0);
il.Emit(OpCodes.Ceq);
}
}
else
{
il.Emit(OpCodes.Ldtoken, via ?? to); // stack is now [target][target][value][member-type-token]
il.EmitCall(OpCodes.Call, typeof(Type).GetMethod(nameof(Type.GetTypeFromHandle)), null); // stack is now [target][target][value][member-type]
il.EmitCall(OpCodes.Call, typeof(Convert).GetMethod(nameof(Convert.ChangeType), new Type[] { typeof(object), typeof(Type) }), null); // stack is now [target][target][boxed-member-type-value]
il.Emit(OpCodes.Unbox_Any, to); // stack is now [target][target][typed-value]
}
}
}
19
Source : ReaderCache.cs
with Apache License 2.0
from aadreja
with Apache License 2.0
from aadreja
private static Action<object, IDbCommand> AddParametersIL(object param, IDbCommand cmd)
{
Type pType = param.GetType();
Type[] args = { typeof(object), typeof(IDbCommand) };
DynamicMethod method = new DynamicMethod("DynamicAddParam" + Guid.NewGuid().ToString(), null, args, typeof(ParameterCache).Module, true);
ILGenerator il = method.GetILGenerator();
foreach (PropertyInfo property in pType.GetProperties())
{
il.Emit(OpCodes.Ldarg_1);//load the idbcommand. Loads the argument at index 0 onto the evaluation stack.
//name
il.Emit(OpCodes.Ldstr, property.Name);
//dbtype
//dynamic property will always return System.Object as property type. Get Type from the value
Type type = GetTypeOfDynamicProperty(property, param);
if (type.IsEnum) type = Enum.GetUnderlyingType(type);
if(TypeCache.TypeToDbType.TryGetValue(type, out DbType dbType))
il.Emit(OpCodes.Ldc_I4_S, (byte)dbType);
else
il.Emit(OpCodes.Ldc_I4_S, (byte)DbType.String); //TODO: fix when unkown type
//value
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Callvirt, property.GetMethod);
//box if value type
if (property.PropertyType.IsValueType)
il.Emit(OpCodes.Box, property.PropertyType);
il.Emit(OpCodes.Call, addInParameter);
il.Emit(OpCodes.Nop);
}
il.Emit(OpCodes.Ret);
var actionType = System.Linq.Expressions.Expression.GetActionType(typeof(object), typeof(IDbCommand));
return (Action<object, IDbCommand>)method.CreateDelegate(actionType);
}
19
Source : PrefixWriter.cs
with MIT License
from Abc-Arbitrage
with MIT License
from Abc-Arbitrage
private static Action<PrefixWriter, ILogEventHeader> BuildAppendMethod(ICollection<PatternPart> parts, Dictionary<string, (int offset, int length)> stringMap)
{
var method = new DynamicMethod("WritePrefix", typeof(void), new[] { typeof(PrefixWriter), typeof(ILogEventHeader) }, typeof(PrefixWriter), false)
{
InitLocals = false
};
var il = method.GetILGenerator();
var stringBufferLocal = il.DeclareLocal(typeof(StringBuffer));
var stringsLocal = il.DeclareLocal(typeof(char).MakeByRefType(), true);
var dateTimeLocal = default(LocalBuilder);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, typeof(PrefixWriter).GetField(nameof(_stringBuffer), BindingFlags.Instance | BindingFlags.NonPublic)!);
il.Emit(OpCodes.Stloc, stringBufferLocal);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, typeof(PrefixWriter).GetField(nameof(_strings), BindingFlags.Instance | BindingFlags.NonPublic)!);
il.Emit(OpCodes.Ldc_I4_0);
il.Emit(OpCodes.Ldelema, typeof(char));
il.Emit(OpCodes.Stloc, stringsLocal);
foreach (var part in parts)
{
switch (part.Type)
{
case PatternPartType.String:
{
// _stringBuffer.Append(&_strings[0] + offset * sizeof(char), length);
var (offset, length) = stringMap[part.Value!];
il.Emit(OpCodes.Ldloc, stringBufferLocal);
il.Emit(OpCodes.Ldloc, stringsLocal);
il.Emit(OpCodes.Conv_U);
il.Emit(OpCodes.Ldc_I4, offset * sizeof(char));
il.Emit(OpCodes.Add);
il.Emit(OpCodes.Ldc_I4, length);
il.Emit(OpCodes.Call, typeof(StringBuffer).GetMethod(nameof(StringBuffer.Append), new[] { typeof(char*), typeof(int) })!);
break;
}
case PatternPartType.Date:
{
// _stringBuffer.Append(logEventHeader.Timestamp, new StringView(&_strings[0] + offset * sizeof(char), length));
var (offset, length) = stringMap[_dateFormat];
il.Emit(OpCodes.Ldloc, stringBufferLocal);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Callvirt, typeof(ILogEventHeader).GetProperty(nameof(ILogEventHeader.Timestamp))?.GetGetMethod()!);
il.Emit(OpCodes.Ldloc, stringsLocal);
il.Emit(OpCodes.Conv_U);
il.Emit(OpCodes.Ldc_I4, offset * sizeof(char));
il.Emit(OpCodes.Add);
il.Emit(OpCodes.Ldc_I4, length);
il.Emit(OpCodes.Newobj, typeof(StringView).GetConstructor(new[] { typeof(char*), typeof(int) })!);
il.Emit(OpCodes.Call, typeof(StringBuffer).GetMethod(nameof(StringBuffer.Append), new[] { typeof(DateTime), typeof(StringView) })!);
break;
}
case PatternPartType.Time:
{
// _stringBuffer.Append(logEventHeader.Timestamp.TimeOfDay, StringView.Empty);
il.Emit(OpCodes.Ldloc, stringBufferLocal);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Callvirt, typeof(ILogEventHeader).GetProperty(nameof(ILogEventHeader.Timestamp))?.GetGetMethod()!);
il.Emit(OpCodes.Stloc, dateTimeLocal ??= il.DeclareLocal(typeof(DateTime)));
il.Emit(OpCodes.Ldloca, dateTimeLocal);
il.Emit(OpCodes.Call, typeof(DateTime).GetProperty(nameof(DateTime.TimeOfDay))?.GetGetMethod()!);
il.Emit(OpCodes.Ldsfld, typeof(StringView).GetField(nameof(StringView.Empty))!);
il.Emit(OpCodes.Call, typeof(StringBuffer).GetMethod(nameof(StringBuffer.Append), new[] { typeof(TimeSpan), typeof(StringView) })!);
break;
}
case PatternPartType.Thread:
{
// AppendThread(logEventHeader.Thread);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Callvirt, typeof(ILogEventHeader).GetProperty(nameof(ILogEventHeader.Thread))?.GetGetMethod()!);
il.Emit(OpCodes.Call, typeof(PrefixWriter).GetMethod(nameof(AppendThread), BindingFlags.Instance | BindingFlags.NonPublic)!);
break;
}
case PatternPartType.Level:
{
// _stringBuffer.Append(LevelStringCache.GetLevelString(logEventHeader.Level));
il.Emit(OpCodes.Ldloc, stringBufferLocal);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Callvirt, typeof(ILogEventHeader).GetProperty(nameof(ILogEventHeader.Level))?.GetGetMethod()!);
il.Emit(OpCodes.Call, typeof(LevelStringCache).GetMethod(nameof(LevelStringCache.GetLevelString))!);
il.Emit(OpCodes.Call, typeof(StringBuffer).GetMethod(nameof(StringBuffer.Append), new[] { typeof(string) })!);
break;
}
case PatternPartType.Logger:
{
// _stringBuffer.Append(logEventHeader.Name);
il.Emit(OpCodes.Ldloc, stringBufferLocal);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Callvirt, typeof(ILogEventHeader).GetProperty(nameof(ILogEventHeader.Name))?.GetGetMethod()!);
il.Emit(OpCodes.Call, typeof(StringBuffer).GetMethod(nameof(StringBuffer.Append), new[] { typeof(string) })!);
break;
}
default:
throw new ArgumentOutOfRangeException();
}
}
il.Emit(OpCodes.Ret);
return (Action<PrefixWriter, ILogEventHeader>)method.CreateDelegate(typeof(Action<PrefixWriter, ILogEventHeader>));
}
19
Source : Helpers.cs
with MIT License
from ad313
with MIT License
from ad313
private static Func<object, Dictionary<string, object>> CreateDictionaryGenerator(Type type)
{
var dm = new DynamicMethod($"Dictionary{Guid.NewGuid()}", typeof(Dictionary<string, object>), new[] { typeof(object) }, type, true);
ILGenerator il = dm.GetILGenerator();
il.DeclareLocal(typeof(Dictionary<string, object>));
il.Emit(OpCodes.Nop);
il.Emit(OpCodes.Newobj, typeof(Dictionary<string, object>).GetConstructor(Type.EmptyTypes));
il.Emit(OpCodes.Stloc_0);
foreach (var item in type.GetProperties(BindingFlags.Public | BindingFlags.Instance))
{
string columnName = item.Name;
il.Emit(OpCodes.Nop);
il.Emit(OpCodes.Ldloc_0);
il.Emit(OpCodes.Ldstr, columnName);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Callvirt, item.GetGetMethod());
if (item.PropertyType.IsValueType)
{
il.Emit(OpCodes.Box, item.PropertyType);
}
il.Emit(OpCodes.Callvirt, typeof(Dictionary<string, object>).GetMethod("Add"));
}
il.Emit(OpCodes.Nop);
il.Emit(OpCodes.Ldloc_0);
il.Emit(OpCodes.Ret);
return (Func<object, Dictionary<string, object>>)dm.CreateDelegate(typeof(Func<object, Dictionary<string, object>>));
}
19
Source : ArrayStoreHelpers.cs
with GNU General Public License v3.0
from Aekras1a
with GNU General Public License v3.0
from Aekras1a
private static _SetValue BuildStoreHelper(Type valueType, Type elemType)
{
var paramTypes = new[] {typeof(Array), typeof(int), typeof(object)};
var dm = new DynamicMethod("", typeof(void), paramTypes, Unverifier.Module, true);
var gen = dm.GetILGenerator();
gen.Emit(System.Reflection.Emit.OpCodes.Ldarg_0);
gen.Emit(System.Reflection.Emit.OpCodes.Ldarg_1);
gen.Emit(System.Reflection.Emit.OpCodes.Ldarg_2);
if(elemType.IsValueType)
gen.Emit(System.Reflection.Emit.OpCodes.Unbox_Any, valueType);
gen.Emit(System.Reflection.Emit.OpCodes.Stelem, elemType);
gen.Emit(System.Reflection.Emit.OpCodes.Ret);
return (_SetValue) dm.CreateDelegate(typeof(_SetValue));
}
19
Source : DarksVMTrampoline.cs
with GNU General Public License v3.0
from Aekras1a
with GNU General Public License v3.0
from Aekras1a
private static DynamicMethod CreateTrampolineNormal(int moduleId, ulong codeAdr, uint key, DarksVMFuncSig sig, uint sigId)
{
var dm = new DynamicMethod("", sig.RetType, sig.ParamTypes, Unverifier.Module, true);
var gen = dm.GetILGenerator();
gen.Emit(System.Reflection.Emit.OpCodes.Ldc_I4, moduleId);
gen.Emit(System.Reflection.Emit.OpCodes.Ldc_I8, (long) codeAdr);
gen.Emit(System.Reflection.Emit.OpCodes.Ldc_I4, (int) key);
gen.Emit(System.Reflection.Emit.OpCodes.Ldc_I4, (int) sigId);
gen.Emit(System.Reflection.Emit.OpCodes.Ldc_I4, sig.ParamTypes.Length);
gen.Emit(System.Reflection.Emit.OpCodes.Newarr, typeof(object));
for(var i = 0; i < sig.ParamTypes.Length; i++)
{
gen.Emit(System.Reflection.Emit.OpCodes.Dup);
gen.Emit(System.Reflection.Emit.OpCodes.Ldc_I4, i);
gen.Emit(System.Reflection.Emit.OpCodes.Ldarg, i);
if(sig.ParamTypes[i].IsValueType)
gen.Emit(System.Reflection.Emit.OpCodes.Box, sig.ParamTypes[i]);
gen.Emit(System.Reflection.Emit.OpCodes.Stelem_Ref);
}
gen.Emit(System.Reflection.Emit.OpCodes.Call, entryStubNormal);
if(sig.RetType == typeof(void))
gen.Emit(System.Reflection.Emit.OpCodes.Pop);
else if(sig.RetType.IsValueType)
gen.Emit(System.Reflection.Emit.OpCodes.Unbox_Any, sig.RetType);
else
gen.Emit(System.Reflection.Emit.OpCodes.Castclreplaced, sig.RetType);
gen.Emit(System.Reflection.Emit.OpCodes.Ret);
return dm;
}
19
Source : DarksVMTrampoline.cs
with GNU General Public License v3.0
from Aekras1a
with GNU General Public License v3.0
from Aekras1a
private static DynamicMethod CreateTrampolineTyped(int moduleId, ulong codeAdr, uint key, DarksVMFuncSig sig, uint sigId)
{
var dm = new DynamicMethod("", sig.RetType, sig.ParamTypes, Unverifier.Module, true);
var gen = dm.GetILGenerator();
gen.Emit(System.Reflection.Emit.OpCodes.Ldc_I4, moduleId);
gen.Emit(System.Reflection.Emit.OpCodes.Ldc_I8, (long) codeAdr);
gen.Emit(System.Reflection.Emit.OpCodes.Ldc_I4, (int) key);
gen.Emit(System.Reflection.Emit.OpCodes.Ldc_I4, (int) sigId);
gen.Emit(System.Reflection.Emit.OpCodes.Ldc_I4, sig.ParamTypes.Length);
gen.Emit(System.Reflection.Emit.OpCodes.Newarr, typeof(void*));
for(var i = 0; i < sig.ParamTypes.Length; i++)
{
gen.Emit(System.Reflection.Emit.OpCodes.Dup);
gen.Emit(System.Reflection.Emit.OpCodes.Ldc_I4, i);
if(sig.ParamTypes[i].IsByRef)
{
gen.Emit(System.Reflection.Emit.OpCodes.Ldarg, i);
gen.Emit(System.Reflection.Emit.OpCodes.Mkrefany, sig.ParamTypes[i].GetElementType());
}
else
{
gen.Emit(System.Reflection.Emit.OpCodes.Ldarga, i);
gen.Emit(System.Reflection.Emit.OpCodes.Mkrefany, sig.ParamTypes[i]);
}
var local = gen.DeclareLocal(typeof(TypedReference));
gen.Emit(System.Reflection.Emit.OpCodes.Stloc, local);
gen.Emit(System.Reflection.Emit.OpCodes.Ldloca, local);
gen.Emit(System.Reflection.Emit.OpCodes.Conv_I);
gen.Emit(System.Reflection.Emit.OpCodes.Stelem_I);
}
if(sig.RetType != typeof(void))
{
var retVar = gen.DeclareLocal(sig.RetType);
var retRef = gen.DeclareLocal(typeof(TypedReference));
gen.Emit(System.Reflection.Emit.OpCodes.Ldloca, retVar);
gen.Emit(System.Reflection.Emit.OpCodes.Mkrefany, sig.RetType);
gen.Emit(System.Reflection.Emit.OpCodes.Stloc, retRef);
gen.Emit(System.Reflection.Emit.OpCodes.Ldloca, retRef);
gen.Emit(System.Reflection.Emit.OpCodes.Call, entryStubTyped);
gen.Emit(System.Reflection.Emit.OpCodes.Ldloc, retVar);
}
else
{
gen.Emit(System.Reflection.Emit.OpCodes.Ldnull);
gen.Emit(System.Reflection.Emit.OpCodes.Call, entryStubTyped);
}
gen.Emit(System.Reflection.Emit.OpCodes.Ret);
return dm;
}
19
Source : DirectCall.cs
with GNU General Public License v3.0
from Aekras1a
with GNU General Public License v3.0
from Aekras1a
public static MethodBase GetDirectInvocationProxy(MethodBase method)
{
var proxy = (MethodBase) directProxies[method];
if(proxy != null)
return proxy;
lock(directProxies)
{
proxy = (MethodBase) directProxies[method];
if(proxy != null)
return proxy;
var parameters = method.GetParameters();
var paramTypes = new Type[parameters.Length + (method.IsStatic ? 0 : 1)];
for(var i = 0; i < paramTypes.Length; i++)
if(method.IsStatic)
{
paramTypes[i] = parameters[i].ParameterType;
}
else
{
if(i == 0)
paramTypes[0] = method.DeclaringType;
else
paramTypes[i] = parameters[i - 1].ParameterType;
}
var retType = method is MethodInfo ? ((MethodInfo) method).ReturnType : typeof(void);
var dm = new DynamicMethod("", retType, paramTypes, Unverifier.Module, true);
var gen = dm.GetILGenerator();
for(var i = 0; i < paramTypes.Length; i++)
if(!method.IsStatic && i == 0 && paramTypes[0].IsValueType)
gen.Emit(System.Reflection.Emit.OpCodes.Ldarga, i);
else
gen.Emit(System.Reflection.Emit.OpCodes.Ldarg, i);
if(method is MethodInfo)
gen.Emit(System.Reflection.Emit.OpCodes.Call, (MethodInfo) method);
else
gen.Emit(System.Reflection.Emit.OpCodes.Call, (ConstructorInfo) method);
gen.Emit(System.Reflection.Emit.OpCodes.Ret);
directProxies[method] = dm;
return dm;
}
}
19
Source : DirectCall.cs
with GNU General Public License v3.0
from Aekras1a
with GNU General Public License v3.0
from Aekras1a
public static TypedInvocation GetTypedInvocationProxy(MethodBase method, OpCode opCode, Type constrainType)
{
Hashtable table;
object key;
if(constrainType == null)
{
key = new KeyValuePair<MethodBase, OpCode>(method, opCode);
table = typedProxies;
}
else
{
key = new KeyValuePair<MethodBase, Type>(method, constrainType);
table = constrainedProxies;
}
var proxy = (TypedInvocation) table[key];
if(proxy != null)
return proxy;
lock(typedProxies)
{
proxy = (TypedInvocation) table[key];
if(proxy != null)
return proxy;
var parameters = method.GetParameters();
Type[] paramTypes;
if(opCode != System.Reflection.Emit.OpCodes.Newobj)
{
paramTypes = new Type[parameters.Length + (method.IsStatic ? 0 : 1) + 1];
for(var i = 0; i < paramTypes.Length - 1; i++)
if(method.IsStatic)
{
paramTypes[i] = parameters[i].ParameterType;
}
else
{
if(i == 0)
if(constrainType != null)
paramTypes[0] = constrainType.MakeByRefType();
else if(method.DeclaringType.IsValueType)
paramTypes[0] = method.DeclaringType.MakeByRefType();
else
paramTypes[0] = method.DeclaringType;
else
paramTypes[i] = parameters[i - 1].ParameterType;
}
}
else
{
paramTypes = new Type[parameters.Length + 1];
for(var i = 0; i < paramTypes.Length - 1; i++) paramTypes[i] = parameters[i].ParameterType;
}
var retType = method is MethodInfo ? ((MethodInfo) method).ReturnType : typeof(void);
if(opCode == System.Reflection.Emit.OpCodes.Newobj)
retType = method.DeclaringType;
var dm = new DynamicMethod("", typeof(object), new[] {typeof(DarksVMContext), typeof(IReference[]), typeof(Type[])},
Unverifier.Module, true);
var gen = dm.GetILGenerator();
for(var i = 0; i < paramTypes.Length - 1; i++)
{
var paramType = paramTypes[i];
var isByRef = paramType.IsByRef;
if(isByRef)
paramType = paramType.GetElementType();
var typedRefLocal = gen.DeclareLocal(typeof(TypedReference));
gen.Emit(System.Reflection.Emit.OpCodes.Ldarg_1);
gen.Emit(System.Reflection.Emit.OpCodes.Ldc_I4, i);
gen.Emit(System.Reflection.Emit.OpCodes.Ldelem_Ref);
gen.Emit(System.Reflection.Emit.OpCodes.Ldarg_0);
gen.Emit(System.Reflection.Emit.OpCodes.Ldloca, typedRefLocal);
gen.Emit(System.Reflection.Emit.OpCodes.Ldarg_2);
gen.Emit(System.Reflection.Emit.OpCodes.Ldc_I4, i);
gen.Emit(System.Reflection.Emit.OpCodes.Ldelem_Ref);
gen.Emit(System.Reflection.Emit.OpCodes.Callvirt, refToTypedRef);
gen.Emit(System.Reflection.Emit.OpCodes.Ldloca, typedRefLocal);
gen.Emit(System.Reflection.Emit.OpCodes.Ldarg_2);
gen.Emit(System.Reflection.Emit.OpCodes.Ldc_I4, i);
gen.Emit(System.Reflection.Emit.OpCodes.Ldelem_Ref);
gen.Emit(System.Reflection.Emit.OpCodes.Call, castTypedRef);
gen.Emit(System.Reflection.Emit.OpCodes.Ldloc, typedRefLocal);
gen.Emit(System.Reflection.Emit.OpCodes.Refanyval, paramType);
if(!isByRef)
gen.Emit(System.Reflection.Emit.OpCodes.Ldobj, paramType);
}
if(constrainType != null)
gen.Emit(System.Reflection.Emit.OpCodes.Constrained, constrainType);
if(method is MethodInfo)
gen.Emit(opCode, (MethodInfo) method);
else
gen.Emit(opCode, (ConstructorInfo) method);
if(retType.IsByRef)
{
gen.Emit(System.Reflection.Emit.OpCodes.Mkrefany, retType.GetElementType());
gen.Emit(System.Reflection.Emit.OpCodes.Newobj, newTypedRef);
}
else if(retType == typeof(void))
{
gen.Emit(System.Reflection.Emit.OpCodes.Ldnull);
}
else if(retType.IsValueType)
{
gen.Emit(System.Reflection.Emit.OpCodes.Box, retType);
}
gen.Emit(System.Reflection.Emit.OpCodes.Ret);
proxy = (TypedInvocation) dm.CreateDelegate(typeof(TypedInvocation));
table[key] = proxy;
return proxy;
}
}
19
Source : EHHelper.cs
with GNU General Public License v3.0
from Aekras1a
with GNU General Public License v3.0
from Aekras1a
private static bool BuildExceptionDispatchInfo(Type type)
{
try
{
var capture = type.GetMethod("Capture");
var thr = type.GetMethod("Throw");
var dm = new DynamicMethod("", typeof(void), new[] {typeof(Exception), typeof(string), typeof(bool)});
var ilGen = dm.GetILGenerator();
ilGen.Emit(System.Reflection.Emit.OpCodes.Ldarg_0);
ilGen.Emit(System.Reflection.Emit.OpCodes.Call, capture);
ilGen.Emit(System.Reflection.Emit.OpCodes.Call, thr);
ilGen.Emit(System.Reflection.Emit.OpCodes.Ret);
rethrow = (Throw) dm.CreateDelegate(typeof(Throw));
}
catch
{
return false;
}
return true;
}
19
Source : EHHelper.cs
with GNU General Public License v3.0
from Aekras1a
with GNU General Public License v3.0
from Aekras1a
private static bool BuildInternalPreserve(Type type)
{
try
{
const BindingFlags fl = BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.InvokeMethod;
var at = (string) typeof(Environment).InvokeMember("GetResourceString", fl, null, null, new object[] {"Word_At"});
var preserve = type.GetMethod("InternalPreserveStackTrace", BindingFlags.Instance | BindingFlags.NonPublic);
var field = type.GetField("_remoteStackTraceString", BindingFlags.Instance | BindingFlags.NonPublic);
var stackTrace = type.GetProperty("StackTrace", BindingFlags.Instance | BindingFlags.Public).GetGetMethod();
var fmt = typeof(string).GetMethod("Format", new[] {typeof(string), typeof(object), typeof(object)});
var dm = new DynamicMethod("", typeof(void), new[] {typeof(Exception), typeof(string), typeof(bool)}, true);
var ilGen = dm.GetILGenerator();
var lbl = ilGen.DefineLabel();
var lbl2 = ilGen.DefineLabel();
var lbl3 = ilGen.DefineLabel();
ilGen.Emit(System.Reflection.Emit.OpCodes.Ldarg_0);
ilGen.Emit(System.Reflection.Emit.OpCodes.Dup);
ilGen.Emit(System.Reflection.Emit.OpCodes.Dup);
ilGen.Emit(System.Reflection.Emit.OpCodes.Ldfld, field);
ilGen.Emit(System.Reflection.Emit.OpCodes.Brtrue, lbl2);
ilGen.Emit(System.Reflection.Emit.OpCodes.Callvirt, stackTrace);
ilGen.Emit(System.Reflection.Emit.OpCodes.Br, lbl3);
ilGen.MarkLabel(lbl2);
ilGen.Emit(System.Reflection.Emit.OpCodes.Ldfld, field);
ilGen.MarkLabel(lbl3);
ilGen.Emit(System.Reflection.Emit.OpCodes.Ldarg_0);
ilGen.Emit(System.Reflection.Emit.OpCodes.Call, preserve);
ilGen.Emit(System.Reflection.Emit.OpCodes.Stfld, field);
ilGen.Emit(System.Reflection.Emit.OpCodes.Ldarg_1);
ilGen.Emit(System.Reflection.Emit.OpCodes.Brfalse, lbl);
ilGen.Emit(System.Reflection.Emit.OpCodes.Ldarg_2);
ilGen.Emit(System.Reflection.Emit.OpCodes.Brtrue, lbl);
ilGen.Emit(System.Reflection.Emit.OpCodes.Ldarg_0);
ilGen.Emit(System.Reflection.Emit.OpCodes.Dup);
ilGen.Emit(System.Reflection.Emit.OpCodes.Ldstr,
"{1}" + Environment.NewLine + " " + at + " DarksVM.Load() [{0}]" + Environment.NewLine);
ilGen.Emit(System.Reflection.Emit.OpCodes.Ldarg_1);
ilGen.Emit(System.Reflection.Emit.OpCodes.Ldarg_0);
ilGen.Emit(System.Reflection.Emit.OpCodes.Ldfld, field);
ilGen.Emit(System.Reflection.Emit.OpCodes.Call, fmt);
ilGen.Emit(System.Reflection.Emit.OpCodes.Stfld, field);
ilGen.Emit(System.Reflection.Emit.OpCodes.Throw);
ilGen.MarkLabel(lbl);
ilGen.Emit(System.Reflection.Emit.OpCodes.Ldarg_0);
ilGen.Emit(System.Reflection.Emit.OpCodes.Throw);
rethrow = (Throw) dm.CreateDelegate(typeof(Throw));
}
catch(Exception ex)
{
Console.WriteLine(ex);
return false;
}
return true;
}
19
Source : SizeOfHelper.cs
with GNU General Public License v3.0
from Aekras1a
with GNU General Public License v3.0
from Aekras1a
private static int GetSize(Type type)
{
var dm = new DynamicMethod("", typeof(int), Type.EmptyTypes, Unverifier.Module, true);
var gen = dm.GetILGenerator();
gen.Emit(System.Reflection.Emit.OpCodes.Sizeof, type);
gen.Emit(System.Reflection.Emit.OpCodes.Ret);
return (int) dm.Invoke(null, null);
}
19
Source : TypedReferenceHelpers.cs
with GNU General Public License v3.0
from Aekras1a
with GNU General Public License v3.0
from Aekras1a
private static Cast BuildCastHelper(Type sourceType, Type targetType)
{
var dm = new DynamicMethod("", typeof(void), new[] {typeof(TypedRefPtr)}, Unverifier.Module, true);
var gen = dm.GetILGenerator();
gen.Emit(System.Reflection.Emit.OpCodes.Ldarga, 0);
gen.Emit(System.Reflection.Emit.OpCodes.Ldfld, typedPtrField);
gen.Emit(System.Reflection.Emit.OpCodes.Dup);
gen.Emit(System.Reflection.Emit.OpCodes.Ldobj, typeof(TypedReference));
gen.Emit(System.Reflection.Emit.OpCodes.Refanyval, sourceType);
gen.Emit(System.Reflection.Emit.OpCodes.Mkrefany, targetType);
gen.Emit(System.Reflection.Emit.OpCodes.Stobj, typeof(TypedReference));
gen.Emit(System.Reflection.Emit.OpCodes.Ret);
return (Cast) dm.CreateDelegate(typeof(Cast));
}
19
Source : TypedReferenceHelpers.cs
with GNU General Public License v3.0
from Aekras1a
with GNU General Public License v3.0
from Aekras1a
private static Make BuildMakeHelper(Type targetType)
{
var dm = new DynamicMethod("", typeof(void), new[] {typeof(void*), typeof(TypedRefPtr)}, Unverifier.Module, true);
var gen = dm.GetILGenerator();
gen.Emit(System.Reflection.Emit.OpCodes.Ldarga, 1);
gen.Emit(System.Reflection.Emit.OpCodes.Ldfld, typedPtrField);
gen.Emit(System.Reflection.Emit.OpCodes.Ldarg_0);
gen.Emit(System.Reflection.Emit.OpCodes.Mkrefany, targetType);
gen.Emit(System.Reflection.Emit.OpCodes.Stobj, typeof(TypedReference));
gen.Emit(System.Reflection.Emit.OpCodes.Ret);
return (Make) dm.CreateDelegate(typeof(Make));
}
19
Source : TypedReferenceHelpers.cs
with GNU General Public License v3.0
from Aekras1a
with GNU General Public License v3.0
from Aekras1a
private static Unbox BuildUnboxHelper(Type boxType)
{
var dm = new DynamicMethod("", typeof(void), new[] {typeof(object), typeof(TypedRefPtr)}, Unverifier.Module, true);
var gen = dm.GetILGenerator();
gen.Emit(System.Reflection.Emit.OpCodes.Ldarga, 1);
gen.Emit(System.Reflection.Emit.OpCodes.Ldfld, typedPtrField);
gen.Emit(System.Reflection.Emit.OpCodes.Ldarg_0);
gen.Emit(System.Reflection.Emit.OpCodes.Unbox, boxType); // Unbox pointer is readonly? Never mind...
gen.Emit(System.Reflection.Emit.OpCodes.Mkrefany, boxType);
gen.Emit(System.Reflection.Emit.OpCodes.Stobj, typeof(TypedReference));
gen.Emit(System.Reflection.Emit.OpCodes.Ret);
return (Unbox) dm.CreateDelegate(typeof(Unbox));
}
19
Source : TypedReferenceHelpers.cs
with GNU General Public License v3.0
from Aekras1a
with GNU General Public License v3.0
from Aekras1a
private static Set BuildSetHelper(Type refType)
{
var dm = new DynamicMethod("", typeof(void), new[] {typeof(object), typeof(TypedRefPtr)}, Unverifier.Module, true);
var gen = dm.GetILGenerator();
gen.Emit(System.Reflection.Emit.OpCodes.Ldarga, 1);
gen.Emit(System.Reflection.Emit.OpCodes.Ldfld, typedPtrField);
gen.Emit(System.Reflection.Emit.OpCodes.Ldobj, typeof(TypedReference));
gen.Emit(System.Reflection.Emit.OpCodes.Refanyval, refType);
gen.Emit(System.Reflection.Emit.OpCodes.Ldarg_0);
gen.Emit(System.Reflection.Emit.OpCodes.Unbox_Any, refType);
gen.Emit(System.Reflection.Emit.OpCodes.Stobj, refType);
gen.Emit(System.Reflection.Emit.OpCodes.Ret);
return (Set) dm.CreateDelegate(typeof(Set));
}
19
Source : TypedReferenceHelpers.cs
with GNU General Public License v3.0
from Aekras1a
with GNU General Public License v3.0
from Aekras1a
private static FieldAdr BuildAddrHelper(FieldInfo field)
{
var dm = new DynamicMethod("", typeof(void), new[] {typeof(TypedRefPtr), typeof(TypedRefPtr)}, Unverifier.Module, true);
var gen = dm.GetILGenerator();
if(field.IsStatic)
{
gen.Emit(System.Reflection.Emit.OpCodes.Ldarga, 1);
gen.Emit(System.Reflection.Emit.OpCodes.Ldfld, typedPtrField);
gen.Emit(System.Reflection.Emit.OpCodes.Ldsflda, field);
gen.Emit(System.Reflection.Emit.OpCodes.Mkrefany, field.FieldType);
gen.Emit(System.Reflection.Emit.OpCodes.Stobj, typeof(TypedReference));
gen.Emit(System.Reflection.Emit.OpCodes.Ret);
}
else
{
gen.Emit(System.Reflection.Emit.OpCodes.Ldarga, 1);
gen.Emit(System.Reflection.Emit.OpCodes.Ldfld, typedPtrField);
gen.Emit(System.Reflection.Emit.OpCodes.Ldarga, 0);
gen.Emit(System.Reflection.Emit.OpCodes.Ldfld, typedPtrField);
gen.Emit(System.Reflection.Emit.OpCodes.Ldobj, typeof(TypedReference));
gen.Emit(System.Reflection.Emit.OpCodes.Refanyval, field.DeclaringType);
if(!field.DeclaringType.IsValueType)
gen.Emit(System.Reflection.Emit.OpCodes.Ldobj, field.DeclaringType);
gen.Emit(System.Reflection.Emit.OpCodes.Ldflda, field);
gen.Emit(System.Reflection.Emit.OpCodes.Mkrefany, field.FieldType);
gen.Emit(System.Reflection.Emit.OpCodes.Stobj, typeof(TypedReference));
gen.Emit(System.Reflection.Emit.OpCodes.Ret);
}
return (FieldAdr) dm.CreateDelegate(typeof(FieldAdr));
}
19
Source : TypeExtend.cs
with Mozilla Public License 2.0
from agebullhu
with Mozilla Public License 2.0
from agebullhu
public static Func<TArg, TRes> CreateFunc<TArg, TRes>(TypeInfo callInfo, string methodName, TypeInfo argInfo, TypeInfo resInfo)
{
var typeConstructor = resInfo.GetConstructor(Type.EmptyTypes);
if (typeConstructor == null)
throw new ArgumentException($"类型{callInfo.FullName}没有无参构造函数");
var innerMethod = callInfo.GetMethod(methodName);
if (innerMethod == null)
throw new ArgumentException($"类型{callInfo.FullName}没有名称为{methodName}的方法");
if (innerMethod.ReturnType != resInfo)
throw new ArgumentException($"类型{callInfo.FullName}的方法{methodName}返回值不为{resInfo.FullName}");
var args = innerMethod.GetParameters();
if (args.Length != 1)
throw new ArgumentException($"类型{callInfo.FullName}的方法{methodName}参数不是一个");
if (args[0].ParameterType != argInfo)
throw new ArgumentException($"类型{callInfo.FullName}的方法{methodName}唯一参数不为{argInfo.FullName}");
//构造匿名方法
var callMethod = new DynamicMethod(methodName, typeof(TRes), new[] { typeof(TArg) });
//构造动态IL(方法内部实现)
var il = callMethod.GetILGenerator();
il.Emit(OpCodes.Nop);
//1 参数类型转换
il.Emit(OpCodes.Ldarg, 0);
il.Emit(OpCodes.Castclreplaced, argInfo);
var arg = il.DeclareLocal(argInfo);
il.Emit(OpCodes.Stloc, arg);
//2 调用对象构造
il.Emit(OpCodes.Newobj, typeConstructor);
var call = il.DeclareLocal(callInfo);
il.Emit(OpCodes.Stloc, call);
//3 方法调用
il.Emit(OpCodes.Ldloc, call);
il.Emit(OpCodes.Ldloc, arg);
il.Emit(OpCodes.Callvirt, innerMethod);
var ret = il.DeclareLocal(innerMethod.ReturnType);
//4 返回值转换
il.Emit(OpCodes.Stloc, ret);
il.Emit(OpCodes.Ldloc, ret);
il.Emit(OpCodes.Castclreplaced, typeof(TRes).GetTypeInfo());
var res = il.DeclareLocal(resInfo);
//5 返回
il.Emit(OpCodes.Stloc, res);
il.Emit(OpCodes.Ldloc, res);
il.Emit(OpCodes.Ret);
//返回动态委托
return callMethod.CreateDelegate(typeof(Func<TArg, TRes>)) as Func<TArg, TRes>;
}
19
Source : TypeExtend.cs
with Mozilla Public License 2.0
from agebullhu
with Mozilla Public License 2.0
from agebullhu
public static Func<TRes> CreateFunc<TRes>(TypeInfo callInfo, string methodName, TypeInfo resInfo)
{
var typeConstructor = resInfo.GetConstructor(Type.EmptyTypes);
if (typeConstructor == null)
throw new ArgumentException($"类型{callInfo.FullName}没有无参构造函数");
var innerMethod = callInfo.GetMethod(methodName);
if (innerMethod == null)
throw new ArgumentException($"类型{callInfo.FullName}没有名称为{methodName}的方法");
if (innerMethod.ReturnType != resInfo)
throw new ArgumentException($"类型{callInfo.FullName}的方法{methodName}返回值不为{resInfo.FullName}");
var args = innerMethod.GetParameters();
if (args.Length > 0)
throw new ArgumentException($"类型{callInfo.FullName}的方法{methodName}参数不为空");
//构造匿名方法
var callMethod = new DynamicMethod(methodName, typeof(TRes), null);
//构造动态IL(方法内部实现)
var il = callMethod.GetILGenerator();
il.Emit(OpCodes.Nop);
//1 调用对象构造
il.Emit(OpCodes.Newobj, typeConstructor);
var call = il.DeclareLocal(callInfo);
il.Emit(OpCodes.Stloc, call);
//3 方法调用
il.Emit(OpCodes.Ldloc, call);
il.Emit(OpCodes.Callvirt, innerMethod);
var ret = il.DeclareLocal(innerMethod.ReturnType);
//4 返回值转换
il.Emit(OpCodes.Stloc, ret);
il.Emit(OpCodes.Ldloc, ret);
il.Emit(OpCodes.Castclreplaced, typeof(TRes).GetTypeInfo());
var res = il.DeclareLocal(resInfo);
//5 返回
il.Emit(OpCodes.Stloc, res);
il.Emit(OpCodes.Ldloc, res);
il.Emit(OpCodes.Ret);
//返回动态委托
return callMethod.CreateDelegate(typeof(Func<TRes>)) as Func<TRes>;
}
19
Source : ZeroDiscover.cs
with Mozilla Public License 2.0
from agebullhu
with Mozilla Public License 2.0
from agebullhu
public static Func<TArg, TRes> CreateFunc<TArg, TRes>(TypeInfo callInfo, string methodName, TypeInfo argInfo, TypeInfo resInfo)
{
ConstructorInfo constructor = callInfo.GetConstructor(Type.EmptyTypes);
if (constructor == (ConstructorInfo)null)
throw new ArgumentException("类型" + callInfo.FullName + "没有无参构造函数");
MethodInfo method = callInfo.GetMethod(methodName);
if (method == (MethodInfo)null)
throw new ArgumentException("类型" + callInfo.FullName + "没有名称为" + methodName + "的方法");
if (method.ReturnType != (Type)resInfo)
throw new ArgumentException("类型" + callInfo.FullName + "的方法" + methodName + "返回值不为" + resInfo.FullName);
ParameterInfo[] parameters = method.GetParameters();
if (parameters.Length != 1)
throw new ArgumentException("类型" + callInfo.FullName + "的方法" + methodName + "参数不是一个");
if (parameters[0].ParameterType != (Type)argInfo)
throw new ArgumentException("类型" + callInfo.FullName + "的方法" + methodName + "唯一参数不为" + argInfo.FullName);
DynamicMethod dynamicMethod = new DynamicMethod(methodName, typeof(TRes), new Type[1]
{
typeof (TArg)
});
ILGenerator ilGenerator = dynamicMethod.GetILGenerator();
ilGenerator.Emit(OpCodes.Nop);
ilGenerator.Emit(OpCodes.Ldarg, 0);
ilGenerator.Emit(OpCodes.Castclreplaced, (Type)argInfo);
LocalBuilder local1 = ilGenerator.DeclareLocal((Type)argInfo);
ilGenerator.Emit(OpCodes.Stloc, local1);
ilGenerator.Emit(OpCodes.Newobj, constructor);
LocalBuilder local2 = ilGenerator.DeclareLocal((Type)callInfo);
ilGenerator.Emit(OpCodes.Stloc, local2);
ilGenerator.Emit(OpCodes.Ldloc, local2);
ilGenerator.Emit(OpCodes.Ldloc, local1);
ilGenerator.Emit(OpCodes.Callvirt, method);
LocalBuilder local3 = ilGenerator.DeclareLocal(method.ReturnType);
ilGenerator.Emit(OpCodes.Stloc, local3);
ilGenerator.Emit(OpCodes.Ldloc, local3);
ilGenerator.Emit(OpCodes.Castclreplaced, (Type)typeof(TRes).GetTypeInfo());
LocalBuilder local4 = ilGenerator.DeclareLocal((Type)resInfo);
ilGenerator.Emit(OpCodes.Stloc, local4);
ilGenerator.Emit(OpCodes.Ldloc, local4);
ilGenerator.Emit(OpCodes.Ret);
return dynamicMethod.CreateDelegate(typeof(Func<TArg, TRes>)) as Func<TArg, TRes>;
}
19
Source : ZeroDiscover.cs
with Mozilla Public License 2.0
from agebullhu
with Mozilla Public License 2.0
from agebullhu
public static Func<TRes> CreateFunc<TRes>(TypeInfo callInfo, string methodName, TypeInfo resInfo)
{
ConstructorInfo constructor = callInfo.GetConstructor(Type.EmptyTypes);
if (constructor == (ConstructorInfo)null)
throw new ArgumentException("类型" + callInfo.FullName + "没有无参构造函数");
MethodInfo method = callInfo.GetMethod(methodName);
if (method == (MethodInfo)null)
throw new ArgumentException("类型" + callInfo.FullName + "没有名称为" + methodName + "的方法");
if (method.ReturnType != (Type)resInfo)
throw new ArgumentException("类型" + callInfo.FullName + "的方法" + methodName + "返回值不为" + resInfo.FullName);
if ((uint)method.GetParameters().Length > 0U)
throw new ArgumentException("类型" + callInfo.FullName + "的方法" + methodName + "参数不为空");
DynamicMethod dynamicMethod = new DynamicMethod(methodName, typeof(TRes), (Type[])null);
ILGenerator ilGenerator = dynamicMethod.GetILGenerator();
ilGenerator.Emit(OpCodes.Nop);
ilGenerator.Emit(OpCodes.Newobj, constructor);
LocalBuilder local1 = ilGenerator.DeclareLocal((Type)callInfo);
ilGenerator.Emit(OpCodes.Stloc, local1);
ilGenerator.Emit(OpCodes.Ldloc, local1);
ilGenerator.Emit(OpCodes.Callvirt, method);
LocalBuilder local2 = ilGenerator.DeclareLocal(method.ReturnType);
ilGenerator.Emit(OpCodes.Stloc, local2);
ilGenerator.Emit(OpCodes.Ldloc, local2);
ilGenerator.Emit(OpCodes.Castclreplaced, (Type)typeof(TRes).GetTypeInfo());
LocalBuilder local3 = ilGenerator.DeclareLocal((Type)resInfo);
ilGenerator.Emit(OpCodes.Stloc, local3);
ilGenerator.Emit(OpCodes.Ldloc, local3);
ilGenerator.Emit(OpCodes.Ret);
return dynamicMethod.CreateDelegate(typeof(Func<TRes>)) as Func<TRes>;
}
19
Source : DynamicReflectionDelegateFactory.cs
with MIT License
from akaskela
with MIT License
from akaskela
private void GenerateCreateMethodCallIL(MethodBase method, ILGenerator generator, int argsIndex)
{
ParameterInfo[] args = method.GetParameters();
Label argsOk = generator.DefineLabel();
// throw an error if the number of argument values doesn't match method parameters
generator.Emit(OpCodes.Ldarg, argsIndex);
generator.Emit(OpCodes.Ldlen);
generator.Emit(OpCodes.Ldc_I4, args.Length);
generator.Emit(OpCodes.Beq, argsOk);
generator.Emit(OpCodes.Newobj, typeof(TargetParameterCountException).GetConstructor(ReflectionUtils.EmptyTypes));
generator.Emit(OpCodes.Throw);
generator.MarkLabel(argsOk);
if (!method.IsConstructor && !method.IsStatic)
{
generator.PushInstance(method.DeclaringType);
}
int localVariableCount = 0;
for (int i = 0; i < args.Length; i++)
{
ParameterInfo parameter = args[i];
Type parameterType = parameter.ParameterType;
if (parameterType.IsByRef)
{
parameterType = parameterType.GetElementType();
LocalBuilder localVariable = generator.DeclareLocal(parameterType);
// don't need to set variable for 'out' parameter
if (!parameter.IsOut)
{
generator.PushArrayInstance(argsIndex, i);
if (parameterType.IsValueType())
{
Label skipSettingDefault = generator.DefineLabel();
Label finishedProcessingParameter = generator.DefineLabel();
// check if parameter is not null
generator.Emit(OpCodes.Brtrue_S, skipSettingDefault);
// parameter has no value, initialize to default
generator.Emit(OpCodes.Ldloca_S, localVariable);
generator.Emit(OpCodes.Initobj, parameterType);
generator.Emit(OpCodes.Br_S, finishedProcessingParameter);
// parameter has value, get value from array again and unbox and set to variable
generator.MarkLabel(skipSettingDefault);
generator.PushArrayInstance(argsIndex, i);
generator.UnboxIfNeeded(parameterType);
generator.Emit(OpCodes.Stloc, localVariableCount);
// parameter finished, we out!
generator.MarkLabel(finishedProcessingParameter);
}
else
{
generator.UnboxIfNeeded(parameterType);
generator.Emit(OpCodes.Stloc, localVariableCount);
}
}
generator.Emit(OpCodes.Ldloca_S, localVariable);
localVariableCount++;
}
else if (parameterType.IsValueType())
{
generator.PushArrayInstance(argsIndex, i);
// have to check that value type parameters aren't null
// otherwise they will error when unboxed
Label skipSettingDefault = generator.DefineLabel();
Label finishedProcessingParameter = generator.DefineLabel();
// check if parameter is not null
generator.Emit(OpCodes.Brtrue_S, skipSettingDefault);
// parameter has no value, initialize to default
LocalBuilder localVariable = generator.DeclareLocal(parameterType);
generator.Emit(OpCodes.Ldloca_S, localVariable);
generator.Emit(OpCodes.Initobj, parameterType);
generator.Emit(OpCodes.Ldloc, localVariableCount);
generator.Emit(OpCodes.Br_S, finishedProcessingParameter);
// parameter has value, get value from array again and unbox
generator.MarkLabel(skipSettingDefault);
generator.PushArrayInstance(argsIndex, i);
generator.UnboxIfNeeded(parameterType);
// parameter finished, we out!
generator.MarkLabel(finishedProcessingParameter);
localVariableCount++;
}
else
{
generator.PushArrayInstance(argsIndex, i);
generator.UnboxIfNeeded(parameterType);
}
}
if (method.IsConstructor)
{
generator.Emit(OpCodes.Newobj, (ConstructorInfo)method);
}
else
{
generator.CallMethod((MethodInfo)method);
}
Type returnType = method.IsConstructor
? method.DeclaringType
: ((MethodInfo)method).ReturnType;
if (returnType != typeof(void))
{
generator.BoxIfNeeded(returnType);
}
else
{
generator.Emit(OpCodes.Ldnull);
}
generator.Return();
}
19
Source : DynamicReflectionDelegateFactory.cs
with MIT License
from akaskela
with MIT License
from akaskela
private void GenerateCreateDefaultConstructorIL(Type type, ILGenerator generator)
{
if (type.IsValueType())
{
generator.DeclareLocal(type);
generator.Emit(OpCodes.Ldloc_0);
generator.Emit(OpCodes.Box, type);
}
else
{
ConstructorInfo constructorInfo =
type.GetConstructor(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance, null,
ReflectionUtils.EmptyTypes, null);
if (constructorInfo == null)
{
throw new ArgumentException("Could not get constructor for {0}.".FormatWith(CultureInfo.InvariantCulture, type));
}
generator.Emit(OpCodes.Newobj, constructorInfo);
}
generator.Return();
}
19
Source : ILGeneratorExtensions.cs
with MIT License
from akaskela
with MIT License
from akaskela
public static void PushArrayInstance(this ILGenerator generator, int argsIndex, int arrayIndex)
{
generator.Emit(OpCodes.Ldarg, argsIndex);
generator.Emit(OpCodes.Ldc_I4, arrayIndex);
generator.Emit(OpCodes.Ldelem_Ref);
}
See More Examples