public void GetDynamicMethod()
{
DynamicMethod dm = new DynamicMethod("HelloWorld", typeof(string), Type.EmptyTypes, typeof(DynamicILInfoTest), false);
DynamicILInfo il = dm.GetDynamicILInfo();
Assert.AreEqual(dm, il.DynamicMethod);
}
public void GetTokenFor_String_Success()
{
DynamicMethod dynamicMethod = new DynamicMethod(nameof(HelloWorld), typeof(string), new Type[] { }, typeof(DynamicILInfoTests), false);
DynamicILInfo dynamicILInfo = dynamicMethod.GetDynamicILInfo();
SignatureHelper sigHelper = SignatureHelper.GetLocalVarSigHelper();
sigHelper.AddArgument(typeof(string), false);
dynamicILInfo.SetLocalSignature(sigHelper.GetSignature());
byte[] code =
{
0x00, 0x72, 0x01, 0x00, 0x00, 0x70, 0x6f, 0x04, 0x00, 0x00, 0x0a, 0x0a, 0x2b, 0x00, 0x06, 0x2a
};
int token0 = dynamicILInfo.GetTokenFor("hello, world");
int token1 = dynamicILInfo.GetTokenFor(typeof(string).GetMethod("ToUpper", Type.EmptyTypes).MethodHandle);
PutInteger4(token0, 0x0002, code);
PutInteger4(token1, 0x0007, code);
dynamicILInfo.SetCode(code, 1);
string ret = (string)dynamicMethod.Invoke(null, null);
Assert.Equal(ret, HelloWorld());
}
public void GetTokenFor_DynamicMethod_Success()
{
// Calling DynamicMethod recursively
DynamicMethod dynamicMethod = new DynamicMethod(nameof(Fib), typeof(long), new Type[] { typeof(long) }, typeof(DynamicILInfoTests), false);
DynamicILInfo dynamicILInfo = dynamicMethod.GetDynamicILInfo();
SignatureHelper sigHelper = SignatureHelper.GetLocalVarSigHelper();
sigHelper.AddArgument(typeof(long), false);
sigHelper.AddArgument(typeof(bool), false);
dynamicILInfo.SetLocalSignature(sigHelper.GetSignature());
byte[] code =
{
0x00, 0x02, 0x16, 0x6a, 0x2e, 0x0a, 0x02, 0x17, 0x6a, 0xfe, 0x01, 0x16, 0xfe, 0x01, 0x2b, 0x01,
0x16, 0x0b, 0x07, 0x2d, 0x04, 0x02, 0x0a, 0x2b, 0x16, 0x02, 0x17, 0x6a, 0x59, 0x28, 0x02, 0x00,
0x00, 0x06, 0x02, 0x18, 0x6a, 0x59, 0x28, 0x02, 0x00, 0x00, 0x06, 0x58, 0x0a, 0x2b, 0x00, 0x06,
0x2a
};
int token0 = dynamicILInfo.GetTokenFor(dynamicMethod);
PutInteger4(token0, 0x001e, code);
PutInteger4(token0, 0x0027, code);
dynamicILInfo.SetCode(code, 3);
long ret = (long)dynamicMethod.Invoke(null, new object[] { 20 });
Assert.Equal(ret, Fib(20));
}
/// <summary>
/// Compiles a DynamicMethodState and returns a delegate.
/// </summary>
/// <typeparam name="R">The return type of the expression</typeparam>
/// <typeparam name="C">The type of the function class</typeparam>
/// <param name="methodState">The serialized version of a method on the functionClass</param>
/// <returns>ExecuteExpression<R, C> - a delegate that calls the compiled expression</returns>
public ExecuteExpression <R, C> CreateExpressionDelegate <R, C>(DynamicMethodState methodState)
{
//create a dynamic method
var dynamicMethod = new DynamicMethod("_" + Guid.NewGuid().ToString("N"), typeof(R), new[] { typeof(C) }, typeof(C));
//get the IL writer for it
DynamicILInfo dynamicInfo = dynamicMethod.GetDynamicILInfo();
//set the properties gathered from the compiled expression
dynamicMethod.InitLocals = methodState.InitLocals;
//set local variables
SignatureHelper locals = SignatureHelper.GetLocalVarSigHelper();
foreach (int localIndex in methodState.LocalVariables.Keys)
{
LocalVariable localVar = methodState.LocalVariables[localIndex];
locals.AddArgument(Type.GetTypeFromHandle(localVar.LocalType), localVar.IsPinned);
}
dynamicInfo.SetLocalSignature(locals.GetSignature());
//resolve any metadata tokens
var tokenResolver = new IlTokenResolver(methodState.TokenOffset.Fields, methodState.TokenOffset.Methods, methodState.TokenOffset.Types, methodState.TokenOffset.LiteralStrings);
methodState.CodeBytes = tokenResolver.ResolveCodeTokens(methodState.CodeBytes, dynamicInfo);
//set the IL code for the dynamic method
dynamicInfo.SetCode(methodState.CodeBytes, methodState.MaxStackSize);
//create a delegate for fast execution
var expressionDelegate = (ExecuteExpression <R, C>)dynamicMethod.CreateDelegate(typeof(ExecuteExpression <R, C>));
return(expressionDelegate);
}
public void GetTokenFor_StringGenerics_Success()
{
DynamicMethod dynamicMethod = new DynamicMethod(nameof(ContactString), typeof(string), Type.EmptyTypes, typeof(DynamicILInfoTests), false);
DynamicILInfo dynamicILInfo = dynamicMethod.GetDynamicILInfo();
SignatureHelper sigHelper = SignatureHelper.GetLocalVarSigHelper();
sigHelper.AddArgument(typeof(MyList <string>), false);
sigHelper.AddArgument(typeof(string), false);
sigHelper.AddArgument(typeof(string), false);
sigHelper.AddArgument(typeof(string), false);
sigHelper.AddArgument(typeof(System.Collections.Generic.IEnumerator <string>), false);
sigHelper.AddArgument(typeof(bool), false);
dynamicILInfo.SetLocalSignature(sigHelper.GetSignature());
byte[] code =
{
0x00, 0x73, 0x26, 0x00, 0x00, 0x0a, 0x0a, 0x06, 0x72, 0x29, 0x01, 0x00, 0x70, 0x6f, 0x27, 0x00,
0x00, 0x0a, 0x00, 0x06, 0x72, 0x37, 0x01, 0x00, 0x70, 0x6f, 0x27, 0x00, 0x00, 0x0a, 0x00, 0x7e,
0x28, 0x00, 0x00, 0x0a, 0x0b, 0x00, 0x06, 0x6f, 0x29, 0x00, 0x00, 0x0a, 0x13, 0x04, 0x2b, 0x12,
0x11, 0x04, 0x6f, 0x2a, 0x00, 0x00, 0x0a, 0x0c, 0x00, 0x07, 0x08, 0x28, 0x2b, 0x00, 0x00, 0x0a,
0x0b, 0x00, 0x11, 0x04, 0x6f, 0x20, 0x00, 0x00, 0x0a, 0x13, 0x05, 0x11, 0x05, 0x2d, 0xe1, 0xde,
0x14, 0x11, 0x04, 0x14, 0xfe, 0x01, 0x13, 0x05, 0x11, 0x05, 0x2d, 0x08, 0x11, 0x04, 0x6f, 0x21,
0x00, 0x00, 0x0a, 0x00, 0xdc, 0x00, 0x07, 0x0d, 0x2b, 0x00, 0x09, 0x2a
};
int token0 = dynamicILInfo.GetTokenFor(typeof(MyList <string>).GetConstructor(Type.EmptyTypes).MethodHandle, typeof(MyList <string>).TypeHandle);
int token1 = dynamicILInfo.GetTokenFor("Hello~");
int token2 = dynamicILInfo.GetTokenFor(typeof(MyList <string>).GetMethod("Add").MethodHandle, typeof(MyList <string>).TypeHandle);
int token3 = dynamicILInfo.GetTokenFor("World!");
int token4 = dynamicILInfo.GetTokenFor(typeof(string).GetField("Empty").FieldHandle);
int token5 = dynamicILInfo.GetTokenFor(typeof(MyList <string>).GetMethod("GetEnumerator").MethodHandle, typeof(MyList <string>).TypeHandle);
int token6 = dynamicILInfo.GetTokenFor(typeof(System.Collections.Generic.IEnumerator <string>).GetMethod("get_Current").MethodHandle, typeof(System.Collections.Generic.IEnumerator <string>).TypeHandle);
int token7 = dynamicILInfo.GetTokenFor(typeof(string).GetMethod("Concat", new Type[] { typeof(string), typeof(string) }).MethodHandle);
int token8 = dynamicILInfo.GetTokenFor(typeof(System.Collections.IEnumerator).GetMethod("MoveNext").MethodHandle);
int token9 = dynamicILInfo.GetTokenFor(typeof(System.IDisposable).GetMethod("Dispose").MethodHandle);
PutInteger4(token0, 0x0002, code);
PutInteger4(token1, 0x0009, code);
PutInteger4(token2, 0x000e, code);
PutInteger4(token3, 0x0015, code);
PutInteger4(token2, 0x001a, code);
PutInteger4(token4, 0x0020, code);
PutInteger4(token5, 0x0028, code);
PutInteger4(token6, 0x0033, code);
PutInteger4(token7, 0x003c, code);
PutInteger4(token8, 0x0045, code);
PutInteger4(token9, 0x005f, code);
dynamicILInfo.SetCode(code, 2);
byte[] exceptions =
{
0x41, 0x1c, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x2e, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00,
0x51, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
dynamicILInfo.SetExceptions(exceptions);
string ret = (string)dynamicMethod.Invoke(null, null);
Assert.Equal(ret, ContactString());
}
public void GetDynamicILInfo_Unique()
{
DynamicMethod dm = new DynamicMethod("HelloWorld", typeof(string), Type.EmptyTypes, typeof(DynamicILInfoTest), false);
DynamicILInfo il = dm.GetDynamicILInfo();
DynamicILInfo il2 = dm.GetDynamicILInfo();
Assert.IsTrue(Object.ReferenceEquals(il, il2));
}
public unsafe void SetX_NullInput_ThrowsArgumentNullException(bool skipVisibility)
{
DynamicMethod method = GetDynamicMethod(skipVisibility);
DynamicILInfo dynamicILInfo = method.GetDynamicILInfo();
Assert.Throws <ArgumentNullException>(() => dynamicILInfo.SetCode(null, 1, 8));
Assert.Throws <ArgumentNullException>(() => dynamicILInfo.SetExceptions(null, 1));
Assert.Throws <ArgumentNullException>(() => dynamicILInfo.SetLocalSignature(null, 1));
}
private static void SetCode(MethodBase method, MethodBody body, DynamicILInfo ilInfo)
{
var code = body.GetILAsByteArray();
var reader = new ILReader.ILReader(method);
var visitor = new IlInfoGetTokenVisitor(ilInfo, code);
reader.Accept(visitor);
ilInfo.SetCode(code, body.MaxStackSize);
}
public void GetDynamicILInfo_NotSameNotNull(bool skipVisibility)
{
DynamicMethod method = GetDynamicMethod(skipVisibility);
DynamicILInfo dynamicILInfo = method.GetDynamicILInfo();
Assert.NotNull(dynamicILInfo);
Assert.Equal(dynamicILInfo, method.GetDynamicILInfo());
Assert.Equal(method, dynamicILInfo.DynamicMethod);
}
private static void SetExceptions(MethodBody body, DynamicILInfo ilInfo)
{
IList <ExceptionHandlingClause> ehcs = body.ExceptionHandlingClauses;
int ehCount = ehcs.Count;
if (ehCount == 0)
{
return;
}
// Let us do FAT exception header
int size = 4 + 24 * ehCount;
byte[] exceptions = new byte[size];
exceptions[0] = 0x01 | 0x40; //Offset: 0, Kind: CorILMethod_Sect_EHTable | CorILMethod_Sect_FatFormat
OverwriteInt32(size, 1, exceptions); // Offset: 1, DataSize: n * 24 + 4
int pos = 4;
foreach (ExceptionHandlingClause ehc in ehcs)
{
//
// Flags, TryOffset, TryLength, HandlerOffset, HandlerLength,
//
OverwriteInt32((int)ehc.Flags, pos, exceptions); pos += 4;
OverwriteInt32(ehc.TryOffset, pos, exceptions); pos += 4;
OverwriteInt32(ehc.TryLength, pos, exceptions); pos += 4;
OverwriteInt32(ehc.HandlerOffset, pos, exceptions); pos += 4;
OverwriteInt32(ehc.HandlerLength, pos, exceptions); pos += 4;
//
// ClassToken or FilterOffset
//
switch (ehc.Flags)
{
case ExceptionHandlingClauseOptions.Clause:
int token = ilInfo.GetTokenFor(ehc.CatchType.TypeHandle);
OverwriteInt32(token, pos, exceptions);
break;
case ExceptionHandlingClauseOptions.Filter:
OverwriteInt32(ehc.FilterOffset, pos, exceptions);
break;
case ExceptionHandlingClauseOptions.Fault:
throw new NotSupportedException("dynamic method does not support fault clause");
case ExceptionHandlingClauseOptions.Finally:
break;
}
pos += 4;
}
ilInfo.SetExceptions(exceptions);
}
private static void SetLocalSignature(MethodBody body, DynamicILInfo ilInfo)
{
SignatureHelper sig = SignatureHelper.GetLocalVarSigHelper();
foreach (LocalVariableInfo lvi in body.LocalVariables)
{
sig.AddArgument(lvi.LocalType, lvi.IsPinned);
}
ilInfo.SetLocalSignature(sig.GetSignature());
}
public void GetTokenFor_Exception_Success()
{
DynamicMethod dynamicMethod = new DynamicMethod(nameof(ExceptionTest), typeof(int), Type.EmptyTypes, typeof(DynamicILInfoTests), false);
DynamicILInfo dynamicILInfo = dynamicMethod.GetDynamicILInfo();
SignatureHelper sigHelper = SignatureHelper.GetLocalVarSigHelper();
sigHelper.AddArgument(typeof(int), false);
sigHelper.AddArgument(typeof(int), false);
sigHelper.AddArgument(typeof(int), false);
sigHelper.AddArgument(typeof(string), false);
sigHelper.AddArgument(typeof(int), false);
dynamicILInfo.SetLocalSignature(sigHelper.GetSignature());
byte[] code =
{
0x00, 0x16, 0x0a, 0x00, 0x00, 0x16, 0x0b, 0x17, 0x07, 0x5b, 0x0c, 0x00, 0xde, 0x09, 0x26, 0x00,
0x06, 0x17, 0x58, 0x0a, 0x00, 0xde, 0x00, 0x00, 0x00, 0x72, 0xed, 0x01, 0x00, 0x70, 0x17, 0x28,
0x32, 0x00, 0x00, 0x0a, 0x26, 0x00, 0xde, 0x09, 0x26, 0x00, 0x06, 0x17, 0x58, 0x0a, 0x00, 0xde,
0x00, 0x00, 0x14, 0x0d, 0x09, 0x6f, 0x05, 0x00, 0x00, 0x0a, 0x26, 0x00, 0xde, 0x09, 0x26, 0x00,
0x06, 0x17, 0x58, 0x0a, 0x00, 0xde, 0x00, 0x00, 0xde, 0x07, 0x00, 0x06, 0x18, 0x58, 0x0a, 0x00,
0xdc, 0x00, 0x06, 0x13, 0x04, 0x2b, 0x00, 0x11, 0x04, 0x2a
};
int token0 = dynamicILInfo.GetTokenFor("A.B");
int token1 = dynamicILInfo.GetTokenFor(typeof(System.Type).GetMethod("GetType", new Type[] { typeof(string), typeof(bool) }).MethodHandle);
int token2 = dynamicILInfo.GetTokenFor(typeof(string).GetMethod("ToUpper", Type.EmptyTypes).MethodHandle);
PutInteger4(token0, 0x001a, code);
PutInteger4(token1, 0x0020, code);
PutInteger4(token2, 0x0036, code);
dynamicILInfo.SetCode(code, 2);
int token3 = dynamicILInfo.GetTokenFor(typeof(System.Object).TypeHandle);
int token4 = dynamicILInfo.GetTokenFor(typeof(System.Exception).TypeHandle);
int token5 = dynamicILInfo.GetTokenFor(typeof(System.NullReferenceException).TypeHandle);
byte[] exceptions =
{
0x41, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00,
0x0e, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x18, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x3b, 0x00, 0x00, 0x00,
0x3e, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
0x03, 0x00, 0x00, 0x00, 0x47, 0x00, 0x00, 0x00, 0x4a, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00
};
PutInteger4(token3, 0x0018, exceptions);
PutInteger4(token4, 0x0030, exceptions);
PutInteger4(token5, 0x0048, exceptions);
dynamicILInfo.SetExceptions(exceptions);
int ret = (int)dynamicMethod.Invoke(null, null);
Assert.Equal(ret, ExceptionTest());
}
/// <summary>
/// Resolves the tokens given the code bytes and DynamicILInfo class
/// </summary>
/// <param name="code"></param>
/// <param name="dynamicInfo"></param>
/// <returns>byte[] - code bytes with resolved tokens</returns>
public byte[] ResolveCodeTokens(byte[] code, DynamicILInfo dynamicInfo)
{
byte[] resolvedCode = new byte[code.Length];
//copy code bytes
Array.Copy(code, resolvedCode, code.Length);
//resolve fields
foreach (int offset in m_fields.Keys)
{
int newMetadataToken = dynamicInfo.GetTokenFor(m_fields[offset]);
OverwriteInt32(resolvedCode, offset, newMetadataToken);
}
//resolve methods
foreach (int offset in m_methods.Keys)
{
int newMetadataToken;
MethodBase methodBase;
methodBase = m_methods[offset];
//generic types require the declaring type when resolving
if (methodBase.DeclaringType != null && methodBase.DeclaringType.IsGenericType)
{
newMetadataToken = dynamicInfo.GetTokenFor(methodBase.MethodHandle, methodBase.DeclaringType.TypeHandle);
}
else
{
newMetadataToken = dynamicInfo.GetTokenFor(methodBase.MethodHandle);
}
OverwriteInt32(resolvedCode, offset, newMetadataToken);
}
//resolve types
foreach (int offset in m_types.Keys)
{
int newMetadataToken = dynamicInfo.GetTokenFor(m_types[offset]);
OverwriteInt32(resolvedCode, offset, newMetadataToken);
}
//resolve strings
foreach (int offset in m_literalStrings.Keys)
{
int newMetadataToken = dynamicInfo.GetTokenFor(m_literalStrings[offset]);
OverwriteInt32(resolvedCode, offset, newMetadataToken);
}
return(resolvedCode);
}
/// <summary>
/// Creates a new instance of <see cref="DynamicMethodTokenProvider"/>.
/// </summary>
/// <param name="dynamicILInfo">The <see cref="DynamicILInfo"/> instance for the dynamic method
/// for which code is being emitted.</param>
/// <param name="trackMethodStackChanges">If this is set to true, computes stack change
/// information for external methods for computing the maxstack value of the emitted
/// method body. If this is false, all method calls are assumed to pop nothing and push
/// a return value for the purpose of computing maxstack. Note that computing stack
/// change information requires reflection calls that may have a performance cost.</param>
public DynamicMethodTokenProvider(DynamicILInfo dynamicILInfo, bool trackMethodStackChanges = false)
{
m_dynamicILInfo = null !;
setDynamicILInfo(dynamicILInfo);
m_typeHandleGenerator = type => getHandle(type);
if (trackMethodStackChanges)
{
m_methodStackChangeInfo = new Dictionary <EntityHandle, MethodStackChangeInfo>();
}
}
public void GetTokenFor_IntGenerics_Success()
{
DynamicMethod dynamicMethod = new DynamicMethod(nameof(SumInteger), typeof(int), new Type[] { }, typeof(DynamicILInfoTests), false);
DynamicILInfo dynamicILInfo = dynamicMethod.GetDynamicILInfo();
SignatureHelper sigHelper = SignatureHelper.GetLocalVarSigHelper();
sigHelper.AddArgument(typeof(MyList <int>), false);
sigHelper.AddArgument(typeof(int), false);
sigHelper.AddArgument(typeof(int), false);
sigHelper.AddArgument(typeof(int), false);
sigHelper.AddArgument(typeof(System.Collections.Generic.IEnumerator <int>), false);
sigHelper.AddArgument(typeof(bool), false);
dynamicILInfo.SetLocalSignature(sigHelper.GetSignature());
byte[] code =
{
0x00, 0x73, 0x1c, 0x00, 0x00, 0x0a, 0x0a, 0x06, 0x1f, 0x64, 0x6f, 0x1d, 0x00, 0x00, 0x0a, 0x00,
0x06, 0x20, 0xc8, 0x00, 0x00, 0x00, 0x6f, 0x1d, 0x00, 0x00, 0x0a, 0x00, 0x06, 0x20, 0x2c, 0x01,
0x00, 0x00, 0x6f, 0x1d, 0x00, 0x00, 0x0a, 0x00, 0x16, 0x0b, 0x00, 0x06, 0x6f, 0x1e, 0x00, 0x00,
0x0a, 0x13, 0x04, 0x2b, 0x0e, 0x11, 0x04, 0x6f, 0x1f, 0x00, 0x00, 0x0a, 0x0c, 0x00, 0x07, 0x08,
0x58, 0x0b, 0x00, 0x11, 0x04, 0x6f, 0x20, 0x00, 0x00, 0x0a, 0x13, 0x05, 0x11, 0x05, 0x2d, 0xe5,
0xde, 0x14, 0x11, 0x04, 0x14, 0xfe, 0x01, 0x13, 0x05, 0x11, 0x05, 0x2d, 0x08, 0x11, 0x04, 0x6f,
0x21, 0x00, 0x00, 0x0a, 0x00, 0xdc, 0x00, 0x07, 0x0d, 0x2b, 0x00, 0x09, 0x2a
};
int token0 = dynamicILInfo.GetTokenFor(typeof(MyList <int>).GetConstructors()[0].MethodHandle, typeof(MyList <int>).TypeHandle);
int token1 = dynamicILInfo.GetTokenFor(typeof(MyList <int>).GetMethod("Add").MethodHandle, typeof(MyList <int>).TypeHandle);
int token2 = dynamicILInfo.GetTokenFor(typeof(MyList <int>).GetMethod("GetEnumerator").MethodHandle, typeof(MyList <int>).TypeHandle);
int token3 = dynamicILInfo.GetTokenFor(typeof(System.Collections.Generic.IEnumerator <int>).GetMethod("get_Current").MethodHandle, typeof(System.Collections.Generic.IEnumerator <int>).TypeHandle);
int token4 = dynamicILInfo.GetTokenFor(typeof(System.Collections.IEnumerator).GetMethod("MoveNext").MethodHandle);
int token5 = dynamicILInfo.GetTokenFor(typeof(System.IDisposable).GetMethod("Dispose").MethodHandle);
PutInteger4(token0, 0x0002, code);
PutInteger4(token1, 0x000b, code);
PutInteger4(token1, 0x0017, code);
PutInteger4(token1, 0x0023, code);
PutInteger4(token2, 0x002d, code);
PutInteger4(token3, 0x0038, code);
PutInteger4(token4, 0x0046, code);
PutInteger4(token5, 0x0060, code);
dynamicILInfo.SetCode(code, 2);
byte[] exceptions =
{
0x41, 0x1c, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x33, 0x00, 0x00, 0x00, 0x1f, 0x00, 0x00, 0x00,
0x52, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
dynamicILInfo.SetExceptions(exceptions);
int ret = (int)dynamicMethod.Invoke(null, null);
Assert.Equal(ret, SumInteger());
}
/// <summary>
/// Binds this method body to a method dynamically generated with the DynamicMethod
/// API.
/// </summary>
/// <param name="dynamicILInfo">The <see cref="DynamicILInfo"/> for the dynamic method.</param>
public void bindToDynamicILInfo(DynamicILInfo dynamicILInfo)
{
dynamicILInfo.SetCode(m_methodBody, m_maxStack);
// DynamicILInfo requires a valid local signature, so use the empty signature
// if there are no locals.
dynamicILInfo.SetLocalSignature((m_localSignature.Length != 0) ? m_localSignature : s_emptyLocalSig);
if (m_ehSection.Length != 0)
{
dynamicILInfo.SetExceptions(m_ehSection);
}
}
internal static void _EmitCallSite(DynamicMethod dm, ILGenerator il, System.Reflection.Emit.OpCode opcode, CallSite csite) {
/* The mess in this method is heavily based off of the code available at the following links:
* https://github.com/Microsoft/referencesource/blob/3b1eaf5203992df69de44c783a3eda37d3d4cd10/mscorlib/system/reflection/emit/dynamicmethod.cs#L791
* https://github.com/Microsoft/referencesource/blob/3b1eaf5203992df69de44c783a3eda37d3d4cd10/mscorlib/system/reflection/emit/dynamicilgenerator.cs#L353
* https://github.com/mono/mono/blob/82e573122a55482bf6592f36f819597238628385/mcs/class/corlib/System.Reflection.Emit/DynamicMethod.cs#L411
* https://github.com/mono/mono/blob/82e573122a55482bf6592f36f819597238628385/mcs/class/corlib/System.Reflection.Emit/ILGenerator.cs#L800
* https://github.com/dotnet/coreclr/blob/0fbd855e38bc3ec269479b5f6bf561dcfd67cbb6/src/System.Private.CoreLib/src/System/Reflection/Emit/SignatureHelper.cs#L57
*/
List<object> _tokens = null;
int _GetTokenForType(Type v) {
_tokens.Add(v.TypeHandle);
return _tokens.Count - 1 | 0x02000000 /* (int) MetadataTokenType.TypeDef */;
}
int _GetTokenForSig(byte[] v) {
_tokens.Add(v);
return _tokens.Count - 1 | 0x11000000 /* (int) MetadataTokenType.Signature */;
}
#if !NETSTANDARD
DynamicILInfo _info = null;
if (DynamicMethodDefinition._IsMono) {
// GetDynamicILInfo throws "invalid signature" in .NET - let's hope for the best for mono...
_info = dm.GetDynamicILInfo();
} else {
#endif
// For .NET, we need to access DynamicScope m_scope and its List<object> m_tokens
_tokens = f_DynScope_m_tokens.GetValue(f_DynILGen_m_scope.GetValue(il)) as List<object>;
#if !NETSTANDARD
}
int GetTokenForType(Type v) => _info != null ? _info.GetTokenFor(v.TypeHandle) : _GetTokenForType(v);
int GetTokenForSig(byte[] v) => _info != null ? _info.GetTokenFor(v) : _GetTokenForSig(v);
#else
int GetTokenForType(Type v) => _GetTokenForType(v);
int GetTokenForSig(byte[] v) => _GetTokenForSig(v);
#endif
byte[] signature = new byte[32];
int currSig = 0;
int sizeLoc = -1;
// This expects a MdSigCallingConvention
AddData((byte) csite.CallingConvention);
sizeLoc = currSig++;
List<Type> modReq = new List<Type>();
List<Type> modOpt = new List<Type>();
ResolveWithModifiers(csite.ReturnType, out Type returnType, out Type[] returnTypeModReq, out Type[] returnTypeModOpt, modReq, modOpt);
public void Test_TwoDimTest()
{
// 2-D array (set/address/get)
DynamicMethod dynamicMethod = new DynamicMethod(nameof(TwoDimTest), typeof(int), Type.EmptyTypes, typeof(DynamicILInfoTests), false);
DynamicILInfo dynamicILInfo = dynamicMethod.GetDynamicILInfo();
SignatureHelper sigHelper = SignatureHelper.GetLocalVarSigHelper();
sigHelper.AddArgument(typeof(int), false);
sigHelper.AddArgument(typeof(int), false);
sigHelper.AddArgument(typeof(System.Int32[, ]), false);
sigHelper.AddArgument(typeof(int), false);
sigHelper.AddArgument(typeof(int), false);
sigHelper.AddArgument(typeof(int), false);
sigHelper.AddArgument(typeof(bool), false);
dynamicILInfo.SetLocalSignature(sigHelper.GetSignature());
byte[] code =
{
0x00, 0x1c, 0x0a, 0x1e, 0x0b, 0x06, 0x07, 0x73, 0x3e, 0x00, 0x00, 0x0a, 0x0c, 0x16, 0x0d, 0x2b,
0x27, 0x16, 0x13, 0x04, 0x2b, 0x13, 0x08, 0x09, 0x11, 0x04, 0x09, 0x11, 0x04, 0x5a, 0x28, 0x3f,
0x00, 0x00, 0x0a, 0x11, 0x04, 0x17, 0x58, 0x13, 0x04, 0x11, 0x04, 0x07, 0xfe, 0x04, 0x13, 0x06,
0x11, 0x06, 0x2d, 0xe2, 0x09, 0x17, 0x58, 0x0d, 0x09, 0x06, 0xfe, 0x04, 0x13, 0x06, 0x11, 0x06,
0x2d, 0xcf, 0x17, 0x0d, 0x2b, 0x3c, 0x17, 0x13, 0x04, 0x2b, 0x28, 0x08, 0x09, 0x11, 0x04, 0x28,
0x40, 0x00, 0x00, 0x0a, 0x25, 0x71, 0x1f, 0x00, 0x00, 0x01, 0x08, 0x09, 0x17, 0x59, 0x11, 0x04,
0x17, 0x59, 0x28, 0x41, 0x00, 0x00, 0x0a, 0x58, 0x81, 0x1f, 0x00, 0x00, 0x01, 0x11, 0x04, 0x17,
0x58, 0x13, 0x04, 0x11, 0x04, 0x07, 0xfe, 0x04, 0x13, 0x06, 0x11, 0x06, 0x2d, 0xcd, 0x09, 0x17,
0x58, 0x0d, 0x09, 0x06, 0xfe, 0x04, 0x13, 0x06, 0x11, 0x06, 0x2d, 0xba, 0x08, 0x06, 0x17, 0x59,
0x07, 0x17, 0x59, 0x28, 0x41, 0x00, 0x00, 0x0a, 0x13, 0x05, 0x2b, 0x00, 0x11, 0x05, 0x2a
};
int token0 = dynamicILInfo.GetTokenFor(typeof(System.Int32[, ]).GetConstructor(new Type[] { typeof(int), typeof(int) }).MethodHandle);
int token1 = dynamicILInfo.GetTokenFor(typeof(System.Int32[, ]).GetMethod("Set").MethodHandle);
int token2 = dynamicILInfo.GetTokenFor(typeof(System.Int32[, ]).GetMethod("Address").MethodHandle);
int token3 = dynamicILInfo.GetTokenFor(typeof(int).TypeHandle);
int token4 = dynamicILInfo.GetTokenFor(typeof(System.Int32[, ]).GetMethod("Get").MethodHandle);
PutInteger4(token0, 0x0008, code);
PutInteger4(token1, 0x001f, code);
PutInteger4(token2, 0x0050, code);
PutInteger4(token3, 0x0056, code);
PutInteger4(token4, 0x0063, code);
PutInteger4(token3, 0x0069, code);
PutInteger4(token4, 0x0094, code);
dynamicILInfo.SetCode(code, 6);
int ret = (int)dynamicMethod.Invoke(null, null);
Assert.Equal(ret, TwoDimTest());
}
public void GetTokenFor_DynamicMethod()
{
DynamicMethod dm = new DynamicMethod("HelloWorld", typeof(RuntimeMethodHandle), Type.EmptyTypes, typeof(DynamicILInfoTest), false);
DynamicILInfo il = dm.GetDynamicILInfo();
byte[] code = { 0x00, 0xd0, 0x01, 0x00, 0x00, 0x70, 0x2a };
int token0 = il.GetTokenFor(dm);
PutInteger4(token0, 0x0002, code);
il.SetCode(code, 8);
var res = dm.Invoke(null, null);
Assert.AreEqual(dm.MethodHandle, res);
}
public void GetTokenFor_String()
{
DynamicMethod dm = new DynamicMethod("HelloWorld", typeof(string), Type.EmptyTypes, typeof(DynamicILInfoTest), false);
DynamicILInfo il = dm.GetDynamicILInfo();
byte[] code = { 0x00, 0x72, 0x01, 0x00, 0x00, 0x70, 0x2a };
int token0 = il.GetTokenFor("ABCD");
PutInteger4(token0, 0x0002, code);
il.SetCode(code, 8);
var res = dm.Invoke(null, null);
Assert.AreEqual("ABCD", res);
}
public void GetTokenFor_Type()
{
DynamicMethod dm = new DynamicMethod("HelloWorld", typeof(Type), Type.EmptyTypes, typeof(DynamicILInfoTest), false);
DynamicILInfo il = dm.GetDynamicILInfo();
byte[] code = { 0x00, 0xd0, 0x01, 0x00, 0x00, 0x70, 0x28, 0x04, 0x00, 0x00, 0x0a, 0x00, 0x2a };
int token0 = il.GetTokenFor(typeof(int).TypeHandle);
int token1 = il.GetTokenFor(typeof(Type).GetMethod("GetTypeFromHandle", new Type[] { typeof(RuntimeTypeHandle) }).MethodHandle);
PutInteger4(token0, 0x0002, code);
PutInteger4(token1, 0x0007, code);
il.SetCode(code, 8);
var res = dm.Invoke(null, null);
Assert.AreEqual(typeof(int), res);
}
public void GetTokenFor_FieldInfo()
{
aField = aField + 1;
DynamicMethod dm = new DynamicMethod("HelloWorld", typeof(RuntimeFieldHandle), Type.EmptyTypes, typeof(DynamicILInfoTest), false);
DynamicILInfo il = dm.GetDynamicILInfo();
var f = typeof(DynamicILInfoTest).GetField("aField", BindingFlags.Static | BindingFlags.NonPublic).FieldHandle;
byte[] code = { 0x00, 0xd0, 0x01, 0x00, 0x00, 0x70, 0x2a };
int token0 = il.GetTokenFor(f);
PutInteger4(token0, 0x0002, code);
il.SetCode(code, 8);
var res = dm.Invoke(null, null);
Assert.AreEqual(f, res);
}
public void GetTokenFor_Method()
{
DynamicMethod dm = new DynamicMethod("HelloWorld", typeof(string), Type.EmptyTypes, typeof(DynamicILInfoTest), false);
DynamicILInfo il = dm.GetDynamicILInfo();
// ldstr "ABCD"; call string::ToLower (); ret
byte[] code = { 0x00, 0x72, 0x01, 0x00, 0x00, 0x70, 0x28, 0x04, 0x00, 0x00, 0x0a, 0x00, 0x2a };
int token0 = il.GetTokenFor("ABCD");
int token1 = il.GetTokenFor(typeof(string).GetMethod("ToLower", Type.EmptyTypes).MethodHandle);
PutInteger4(token0, 0x0002, code);
PutInteger4(token1, 0x0007, code);
il.SetCode(code, 8);
var res = dm.Invoke(null, null);
Assert.AreEqual("abcd", res);
}
public unsafe void SetX_NegativeInputSize_ThrowsArgumentOutOfRangeException(bool skipVisibility)
{
DynamicMethod method = GetDynamicMethod(skipVisibility);
DynamicILInfo dynamicILInfo = method.GetDynamicILInfo();
var bytes = new byte[] { 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02 };
Assert.Throws <ArgumentOutOfRangeException>(() => { fixed(byte *bytesPtr = bytes)
{
dynamicILInfo.SetCode(bytesPtr, -1, 8);
} });
Assert.Throws <ArgumentOutOfRangeException>(() => { fixed(byte *bytesPtr = bytes)
{
dynamicILInfo.SetExceptions(bytesPtr, -1);
} });
Assert.Throws <ArgumentOutOfRangeException>(() => { fixed(byte *bytesPtr = bytes)
{
dynamicILInfo.SetLocalSignature(bytesPtr, -1);
} });
}
public ExecuteExpression <T> CreateExpressionDelegate <T>(DynamicMethodState methodState, object functionClass)
{
ExecuteExpression <T> expressionDelegate;
Stopwatch stopWatch = new Stopwatch();
Trace.WriteLine("Dynamic dll creation - " + stopWatch.ElapsedMilliseconds.ToString());
stopWatch = new Stopwatch();
stopWatch.Start();
//create
DynamicMethod dynamicMethod = new DynamicMethod("", typeof(T), new Type[] { functionClass.GetType() }, functionClass.GetType());
DynamicILInfo dynamicInfo = dynamicMethod.GetDynamicILInfo();
dynamicMethod.InitLocals = methodState.InitLocals;
SignatureHelper locals = SignatureHelper.GetLocalVarSigHelper();
foreach (int localIndex in methodState.LocalVariables.Keys)
{
LocalVariable localVar = methodState.LocalVariables[localIndex];
locals.AddArgument(localVar.LocalType, localVar.IsPinned);
}
dynamicInfo.SetLocalSignature(locals.GetSignature());
IlTokenResolver tokenResolver = new IlTokenResolver(methodState.TokenOffset.Fields, methodState.TokenOffset.Methods, methodState.TokenOffset.Members, methodState.TokenOffset.Types, methodState.TokenOffset.LiteralStrings);
methodState.CodeBytes = tokenResolver.ResolveCodeTokens(methodState.CodeBytes, dynamicInfo);
dynamicInfo.SetCode(methodState.CodeBytes, methodState.MaxStackSize);
expressionDelegate = (ExecuteExpression <T>)dynamicMethod.CreateDelegate(typeof(ExecuteExpression <T>), functionClass);
stopWatch.Stop();
Trace.WriteLine("Dynamic Method Creation - " + stopWatch.ElapsedMilliseconds.ToString());
return(expressionDelegate);
}
/// <summary>
/// Sets the <see cref="DynamicILInfo"/> instance for the dynamic method for which code
/// is being emitted.
/// </summary>
/// <param name="dynamicILInfo">A <see cref="DynamicILInfo"/> instance.</param>
public void setDynamicILInfo(DynamicILInfo dynamicILInfo)
{
if (dynamicILInfo == null)
{
throw new ArgumentNullException(nameof(dynamicILInfo));
}
if (dynamicILInfo == m_dynamicILInfo)
{
return;
}
m_dynamicILInfo = dynamicILInfo;
m_tokenCache.clear();
if (m_methodStackChangeInfo != null)
{
m_methodStackChangeInfo.Clear();
}
}
public MethodBodyOnDynamicILInfo(DynamicMethod dynamicMethod, DynamicILInfo dynamicILInfo, bool resolveTokens)
: base(GetMethodSignature(dynamicILInfo), resolveTokens)
{
scope = new DynamicILInfoWrapper(dynamicILInfo).m_scope;
using (var dynamicResolver = new DynamicResolver(dynamicMethod, dynamicILInfo))
{
int stackSize;
int initLocals;
int EHCount;
var code = dynamicResolver.GetCodeInfo(out stackSize, out initLocals, out EHCount);
MaxStack = stackSize;
InitLocals = initLocals != 0;
SetLocalSignature(dynamicResolver.m_localSignature);
ILCodeReader.Read(code, ResolveToken, resolveTokens, this);
ExceptionsInfoReader.Read(dynamicResolver.GetRawEHInfo(), ResolveToken, resolveTokens, this);
}
}
public void GetTokenFor_CtorMethodAndField_Success()
{
DynamicMethod dynamicMethod = new DynamicMethod(nameof(Mock), typeof(Person), new Type[] { }, typeof(DynamicILInfoTests), false);
DynamicILInfo dynamicILInfo = dynamicMethod.GetDynamicILInfo();
SignatureHelper sigHelper = SignatureHelper.GetLocalVarSigHelper();
sigHelper.AddArgument(typeof(Person), false);
sigHelper.AddArgument(typeof(Person), false);
dynamicILInfo.SetLocalSignature(sigHelper.GetSignature());
byte[] code =
{
0x00, 0x72, 0x49, 0x00, 0x00, 0x70, 0x1f, 0x32, 0x22, 0x00, 0x60, 0xea, 0x46, 0x73, 0x0f, 0x00,
0x00, 0x06, 0x0a, 0x06, 0x72, 0x53, 0x00, 0x00, 0x70, 0x7d, 0x04, 0x00, 0x00, 0x04, 0x06, 0x25,
0x6f, 0x0c, 0x00, 0x00, 0x06, 0x17, 0x58, 0x6f, 0x0d, 0x00, 0x00, 0x06, 0x00, 0x06, 0x22, 0x00,
0x00, 0x96, 0x43, 0x6f, 0x10, 0x00, 0x00, 0x06, 0x00, 0x06, 0x0b, 0x2b, 0x00, 0x07, 0x2a
};
int token0 = dynamicILInfo.GetTokenFor("Bill");
int token1 = dynamicILInfo.GetTokenFor(typeof(Person).GetConstructor(new Type[] { typeof(string), typeof(int), typeof(float) }).MethodHandle);
int token2 = dynamicILInfo.GetTokenFor("Bill Gates");
int token3 = dynamicILInfo.GetTokenFor(typeof(Person).GetField("m_name").FieldHandle);
int token4 = dynamicILInfo.GetTokenFor(typeof(Person).GetMethod("get_Age").MethodHandle);
int token5 = dynamicILInfo.GetTokenFor(typeof(Person).GetMethod("set_Age").MethodHandle);
int token6 = dynamicILInfo.GetTokenFor(typeof(Person).GetMethod("IncSalary").MethodHandle);
PutInteger4(token0, 0x0002, code);
PutInteger4(token1, 0x000e, code);
PutInteger4(token2, 0x0015, code);
PutInteger4(token3, 0x001a, code);
PutInteger4(token4, 0x0021, code);
PutInteger4(token5, 0x0028, code);
PutInteger4(token6, 0x0034, code);
dynamicILInfo.SetCode(code, 4);
Person ret = (Person)dynamicMethod.Invoke(null, null);
Assert.Equal(ret, Mock());
}
static void HelloFromDynamicILInfo()
{
DynamicMethod dm = new DynamicMethod("HelloWorld", typeof(void), Type.EmptyTypes, typeof(Foo), false);
DynamicILInfo il = dm.GetDynamicILInfo();
SignatureHelper sigHelper = SignatureHelper.GetLocalVarSigHelper();
il.SetLocalSignature(sigHelper.GetSignature());
byte[] code =
{
/* ldstr */ 0x72, 0x00, 0x00, 0x00, 0x00,
/* call */ 0x28, 0x00, 0x00, 0x00, 0x00,
/* ret */ 0x2a
};
byte[] strTokenBytes = BitConverter.GetBytes(il.GetTokenFor("Hello world!"));
var writeLine = typeof(Console).GetMethod("WriteLine", new Type[] { typeof(string) });
byte[] mTokenBytes = BitConverter.GetBytes(il.GetTokenFor(writeLine.MethodHandle));
Array.Copy(strTokenBytes, 0, code, 1, strTokenBytes.Length);
Array.Copy(mTokenBytes, 0, code, 5, mTokenBytes.Length);
il.SetCode(code, 3);
var hello = (Action)dm.CreateDelegate(typeof(Action));
}
public IlInfoGetTokenVisitor(DynamicILInfo ilinfo, byte[] code)
{
_ilInfo = ilinfo;
_code = code;
}
