[MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
public override Object Invoke(
Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
{
INVOCATION_FLAGS invocationFlags = InvocationFlags;
if ((invocationFlags & INVOCATION_FLAGS.INVOCATION_FLAGS_NO_INVOKE) != 0)
{
ThrowNoInvokeException();
}
// check basic method consistency. This call will throw if there are problems in the target/method relationship
CheckConsistency(obj);
#if FEATURE_APPX
if ((invocationFlags & INVOCATION_FLAGS.INVOCATION_FLAGS_NON_W8P_FX_API) != 0)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
RuntimeAssembly caller = RuntimeAssembly.GetExecutingAssembly(ref stackMark);
if (caller != null && !caller.IsSafeForReflection())
{
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_APIInvalidForCurrentContext", FullName));
}
}
#endif
if (obj != null)
{
#if FEATURE_CORECLR
// For unverifiable code, we require the caller to be critical.
// Adding the INVOCATION_FLAGS_NEED_SECURITY flag makes that check happen
invocationFlags |= INVOCATION_FLAGS.INVOCATION_FLAGS_NEED_SECURITY;
#else // FEATURE_CORECLR
new SecurityPermission(SecurityPermissionFlag.SkipVerification).Demand();
#endif // FEATURE_CORECLR
}
if ((invocationFlags & (INVOCATION_FLAGS.INVOCATION_FLAGS_RISKY_METHOD | INVOCATION_FLAGS.INVOCATION_FLAGS_NEED_SECURITY)) != 0)
{
#if !FEATURE_CORECLR
if ((invocationFlags & INVOCATION_FLAGS.INVOCATION_FLAGS_RISKY_METHOD) != 0)
{
CodeAccessPermission.Demand(PermissionType.ReflectionMemberAccess);
}
if ((invocationFlags & INVOCATION_FLAGS.INVOCATION_FLAGS_NEED_SECURITY) != 0)
#endif // !FEATURE_CORECLR
RuntimeMethodHandle.PerformSecurityCheck(obj, this, m_declaringType, (uint)m_invocationFlags);
}
Signature sig = Signature;
// get the signature
int formalCount = sig.Arguments.Length;
int actualCount = (parameters != null) ? parameters.Length : 0;
if (formalCount != actualCount)
{
throw new TargetParameterCountException(Environment.GetResourceString("Arg_ParmCnt"));
}
// if we are here we passed all the previous checks. Time to look at the arguments
if (actualCount > 0)
{
Object[] arguments = CheckArguments(parameters, binder, invokeAttr, culture, sig);
Object retValue = RuntimeMethodHandle.InvokeMethod(obj, arguments, sig, false);
// copy out. This should be made only if ByRef are present.
for (int index = 0; index < arguments.Length; index++)
{
parameters[index] = arguments[index];
}
return(retValue);
}
#if !FEATURE_CORECLR
if (FrameworkEventSource.IsInitialized && FrameworkEventSource.Log.IsEnabled(EventLevel.Informational, FrameworkEventSource.Keywords.DynamicTypeUsage))
{
FrameworkEventSource.Log.ConstructorInfoInvoke(GetRuntimeType().GetFullNameForEtw(), GetFullNameForEtw());
}
#endif
return(RuntimeMethodHandle.InvokeMethod(obj, null, sig, false));
}
[MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
public override Object Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
{
INVOCATION_FLAGS invocationFlags = InvocationFlags;
// get the declaring TypeHandle early for consistent exceptions in IntrospectionOnly context
RuntimeTypeHandle declaringTypeHandle = m_declaringType.TypeHandle;
if ((invocationFlags & (INVOCATION_FLAGS.INVOCATION_FLAGS_NO_INVOKE | INVOCATION_FLAGS.INVOCATION_FLAGS_CONTAINS_STACK_POINTERS | INVOCATION_FLAGS.INVOCATION_FLAGS_NO_CTOR_INVOKE)) != 0)
{
ThrowNoInvokeException();
}
#if FEATURE_APPX
if ((invocationFlags & INVOCATION_FLAGS.INVOCATION_FLAGS_NON_W8P_FX_API) != 0)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
RuntimeAssembly caller = RuntimeAssembly.GetExecutingAssembly(ref stackMark);
if (caller != null && !caller.IsSafeForReflection())
{
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_APIInvalidForCurrentContext", FullName));
}
}
#endif
if ((invocationFlags & (INVOCATION_FLAGS.INVOCATION_FLAGS_RISKY_METHOD | INVOCATION_FLAGS.INVOCATION_FLAGS_NEED_SECURITY | INVOCATION_FLAGS.INVOCATION_FLAGS_IS_DELEGATE_CTOR)) != 0)
{
#if !FEATURE_CORECLR
if ((invocationFlags & INVOCATION_FLAGS.INVOCATION_FLAGS_RISKY_METHOD) != 0)
{
CodeAccessPermission.Demand(PermissionType.ReflectionMemberAccess);
}
if ((invocationFlags & INVOCATION_FLAGS.INVOCATION_FLAGS_NEED_SECURITY) != 0)
#endif // !FEATURE_CORECLR
RuntimeMethodHandle.PerformSecurityCheck(null, this, m_declaringType, (uint)(m_invocationFlags | INVOCATION_FLAGS.INVOCATION_FLAGS_CONSTRUCTOR_INVOKE));
#if !FEATURE_CORECLR
if ((invocationFlags & INVOCATION_FLAGS.INVOCATION_FLAGS_IS_DELEGATE_CTOR) != 0)
{
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Demand();
}
#endif // !FEATURE_CORECLR
}
// get the signature
Signature sig = Signature;
int formalCount = sig.Arguments.Length;
int actualCount = (parameters != null) ? parameters.Length : 0;
if (formalCount != actualCount)
{
throw new TargetParameterCountException(Environment.GetResourceString("Arg_ParmCnt"));
}
// We don't need to explicitly invoke the class constructor here,
// JIT/NGen will insert the call to .cctor in the instance ctor.
// if we are here we passed all the previous checks. Time to look at the arguments
if (actualCount > 0)
{
Object[] arguments = CheckArguments(parameters, binder, invokeAttr, culture, sig);
Object retValue = RuntimeMethodHandle.InvokeMethod(null, arguments, sig, true);
// copy out. This should be made only if ByRef are present.
for (int index = 0; index < arguments.Length; index++)
{
parameters[index] = arguments[index];
}
return(retValue);
}
return(RuntimeMethodHandle.InvokeMethod(null, null, sig, true));
}
internal static ParameterInfo GetReturnParameter(IRuntimeMethodInfo method, MemberInfo member, Signature sig)
{
ParameterInfo returnParameter;
RuntimeParameterInfo.GetParameters(method, member, sig, out returnParameter, true);
return(returnParameter);
}
internal static ParameterInfo[] GetParameters(IRuntimeMethodInfo methodHandle, MemberInfo member, Signature sig, out ParameterInfo returnParameter, bool fetchReturnParameter)
{
returnParameter = (ParameterInfo)null;
int length = sig.Arguments.Length;
ParameterInfo[] parameterInfoArray = fetchReturnParameter ? (ParameterInfo[])null : new ParameterInfo[length];
int methodDef = RuntimeMethodHandle.GetMethodDef(methodHandle);
int num1 = 0;
if (!System.Reflection.MetadataToken.IsNullToken(methodDef))
{
MetadataImport metadataImport = RuntimeTypeHandle.GetMetadataImport(RuntimeMethodHandle.GetDeclaringType(methodHandle));
MetadataEnumResult result;
metadataImport.EnumParams(methodDef, out result);
num1 = result.Length;
if (num1 > length + 1)
{
throw new BadImageFormatException(Environment.GetResourceString("BadImageFormat_ParameterSignatureMismatch"));
}
for (int index = 0; index < num1; ++index)
{
int num2 = result[index];
int sequence;
ParameterAttributes attributes;
metadataImport.GetParamDefProps(num2, out sequence, out attributes);
--sequence;
if (fetchReturnParameter && sequence == -1)
{
if (returnParameter != null)
{
throw new BadImageFormatException(Environment.GetResourceString("BadImageFormat_ParameterSignatureMismatch"));
}
returnParameter = (ParameterInfo) new RuntimeParameterInfo(sig, metadataImport, num2, sequence, attributes, member);
}
else if (!fetchReturnParameter && sequence >= 0)
{
if (sequence >= length)
{
throw new BadImageFormatException(Environment.GetResourceString("BadImageFormat_ParameterSignatureMismatch"));
}
parameterInfoArray[sequence] = (ParameterInfo) new RuntimeParameterInfo(sig, metadataImport, num2, sequence, attributes, member);
}
}
}
if (fetchReturnParameter)
{
if (returnParameter == null)
{
returnParameter = (ParameterInfo) new RuntimeParameterInfo(sig, MetadataImport.EmptyImport, 0, -1, ParameterAttributes.None, member);
}
}
else if (num1 < parameterInfoArray.Length + 1)
{
for (int position = 0; position < parameterInfoArray.Length; ++position)
{
if (parameterInfoArray[position] == null)
{
parameterInfoArray[position] = (ParameterInfo) new RuntimeParameterInfo(sig, MetadataImport.EmptyImport, 0, position, ParameterAttributes.None, member);
}
}
}
return(parameterInfoArray);
}
internal RuntimeParameterInfo(RuntimeParameterInfo accessor, RuntimePropertyInfo property)
: this(accessor, (MemberInfo)property)
{
this.m_signature = property.Signature;
}
internal static ParameterInfo[] GetParameters(IRuntimeMethodInfo method, MemberInfo member, Signature sig)
{
ParameterInfo returnParameter;
return(RuntimeParameterInfo.GetParameters(method, member, sig, out returnParameter, false));
}
internal Object[] CheckArguments(Object[] parameters, Binder binder,
BindingFlags invokeAttr, CultureInfo culture, Signature sig)
{
// copy the arguments in a different array so we detach from any user changes
Object[] copyOfParameters = new Object[parameters.Length];
ParameterInfo[] p = null;
for (int i = 0; i < parameters.Length; i++)
{
Object arg = parameters[i];
RuntimeType argRT = sig.Arguments[i];
if (arg == Type.Missing)
{
if (p == null)
{
p = GetParametersNoCopy();
}
if (p[i].DefaultValue == System.DBNull.Value)
{
throw new ArgumentException(Environment.GetResourceString("Arg_VarMissNull"), nameof(parameters));
}
arg = p[i].DefaultValue;
}
copyOfParameters[i] = argRT.CheckValue(arg, binder, culture, invokeAttr);
}
return(copyOfParameters);
}
internal unsafe static ParameterInfo[] GetParameters(
IRuntimeMethodInfo methodHandle, MemberInfo member, Signature sig, out ParameterInfo returnParameter, bool fetchReturnParameter)
{
returnParameter = null;
int sigArgCount = sig.Arguments.Length;
ParameterInfo[] args = fetchReturnParameter ? null : new ParameterInfo[sigArgCount];
int tkMethodDef = RuntimeMethodHandle.GetMethodDef(methodHandle);
int cParamDefs = 0;
// Not all methods have tokens. Arrays, pointers and byRef types do not have tokens as they
// are generated on the fly by the runtime.
if (!MdToken.IsNullToken(tkMethodDef))
{
MetadataImport scope = RuntimeTypeHandle.GetMetadataImport(RuntimeMethodHandle.GetDeclaringType(methodHandle));
MetadataEnumResult tkParamDefs;
scope.EnumParams(tkMethodDef, out tkParamDefs);
cParamDefs = tkParamDefs.Length;
// Not all parameters have tokens. Parameters may have no token
// if they have no name and no attributes.
if (cParamDefs > sigArgCount + 1 /* return type */)
{
throw new BadImageFormatException(SR.BadImageFormat_ParameterSignatureMismatch);
}
for (int i = 0; i < cParamDefs; i++)
{
#region Populate ParameterInfos
ParameterAttributes attr;
int position, tkParamDef = tkParamDefs[i];
scope.GetParamDefProps(tkParamDef, out position, out attr);
position--;
if (fetchReturnParameter == true && position == -1)
{
// more than one return parameter?
if (returnParameter != null)
{
throw new BadImageFormatException(SR.BadImageFormat_ParameterSignatureMismatch);
}
returnParameter = new RuntimeParameterInfo(sig, scope, tkParamDef, position, attr, member);
}
else if (fetchReturnParameter == false && position >= 0)
{
// position beyong sigArgCount?
if (position >= sigArgCount)
{
throw new BadImageFormatException(SR.BadImageFormat_ParameterSignatureMismatch);
}
args[position] = new RuntimeParameterInfo(sig, scope, tkParamDef, position, attr, member);
}
#endregion
}
}
// Fill in empty ParameterInfos for those without tokens
if (fetchReturnParameter)
{
if (returnParameter == null)
{
returnParameter = new RuntimeParameterInfo(sig, MetadataImport.EmptyImport, 0, -1, (ParameterAttributes)0, member);
}
}
else
{
if (cParamDefs < args.Length + 1)
{
for (int i = 0; i < args.Length; i++)
{
if (args[i] != null)
{
continue;
}
args[i] = new RuntimeParameterInfo(sig, MetadataImport.EmptyImport, 0, i, (ParameterAttributes)0, member);
}
}
}
return(args);
}
internal unsafe static ParameterInfo GetReturnParameter(IRuntimeMethodInfo method, MemberInfo member, Signature sig)
{
Debug.Assert(method is RuntimeMethodInfo || method is RuntimeConstructorInfo);
ParameterInfo returnParameter;
GetParameters(method, member, sig, out returnParameter, true);
return(returnParameter);
}
internal unsafe static ParameterInfo[] GetParameters(IRuntimeMethodInfo method, MemberInfo member, Signature sig)
{
Debug.Assert(method is RuntimeMethodInfo || method is RuntimeConstructorInfo);
ParameterInfo dummy;
return(GetParameters(method, member, sig, out dummy, false));
}
internal object[] CheckArguments(object[] parameters, Binder binder, BindingFlags invokeAttr, CultureInfo culture, Signature sig)
{
object[] array = new object[parameters.Length];
ParameterInfo[] array2 = null;
for (int i = 0; i < parameters.Length; i++)
{
object obj = parameters[i];
RuntimeType runtimeType = sig.Arguments[i];
if (obj == Type.Missing)
{
if (array2 == null)
{
array2 = this.GetParametersNoCopy();
}
if (array2[i].DefaultValue == DBNull.Value)
{
throw new ArgumentException(Environment.GetResourceString("Arg_VarMissNull"), "parameters");
}
obj = array2[i].DefaultValue;
}
array[i] = runtimeType.CheckValue(obj, binder, culture, invokeAttr);
}
return(array);
}