//public string TypeName
//{
// get { return TypeUtils.ToDisplayString(Parameter.ParameterType, true); }
//}
public static ParameterDom[] BuildParameters(ParameterInfo[] piAr, XElement parentDoc)
{
if(piAr==null || piAr.Length==0)
return new ParameterDom[0];
if(parentDoc==null)
return piAr.Select(_ => new ParameterDom(_)).ToArray();
var pd = new ParameterDictionary(parentDoc, "param");
return piAr
.Select( _ => new ParameterDom(_){DocInfo = pd[_.Name]})
.ToArray();
}
private void AddMethod(MethodInfo info, CodeTypeDeclaration target)
{
var method = new CodeMemberMethod
{
Attributes = MemberAttributes.Public,
Name = info.Name,
ReturnType = new CodeTypeReference(info.ReturnType),
};
var allParameters = info.GetParameters().ToArray();
var parameters = new ParameterInfo[0];
if (allParameters.Length > 1)
parameters = allParameters.Skip(1).ToArray();
method.Parameters.AddRange(
parameters.Select(p => new CodeParameterDeclarationExpression(p.ParameterType, p.Name)).ToArray());
//Invoke
var statement = new CodeMethodReturnStatement();
string parms = GetInvokeParametersString(parameters);
statement.Expression = new CodeSnippetExpression(string.Format("Invoke(d => d.{0}({1}))", info.Name, parms));
method.Statements.Add(statement);
target.Members.Add(method);
}
internal static object[] CreateConstructorParamtersInstances(this IoC ioc, ParameterInfo[] src)
{
return src
.Select(pi => pi.IocParameterIsArray()
? ioc.GetParameterAsArray(pi.GetIocRealType())
: ioc.GetObject(pi.ParameterType)).ToArray();
}
private bool ConstructorHasAllMethodArgs(ParameterInfo[] methodArgs, ParameterInfo[] constructorParams)
{
var consArgTypes = constructorParams.Select(a => a.ParameterType).ToList();
var methodArgTypes = methodArgs.Select(a => a.ParameterType).ToList();
return !consArgTypes.Except(methodArgTypes).Any() &&
!methodArgTypes.Except(consArgTypes).Any();
}
private void ValidateParameters(ParameterInfo[] parameters, object[] parameterValues)
{
if (parameters.Length == parameterValues.Length && ParameterTypesMatch(parameters, parameterValues)) return;
var expectedShape = CreateShape(parameters.Select(x => x.ParameterType));
var actualShape = CreateShape(parameterValues.Select((x, index) => x == null ? parameters[index].ParameterType : x.GetType()));
throw new InvalidParadigmExemplarException(string.Format("Invalid paradigm exemplar: expected it to have a shape of {0}, but it had a shape of {1}", expectedShape, actualShape));
}
private static object[] GetParameterValues(TestContext context, ParameterInfo[] parameters)
{
Func<ParameterInfo, int, object> selectFunc =
(parameter, index) =>
{
context.WriteLine("{0} = {1}", parameter.Name, context.DataRow[index]);
return context.DataRow[index];
};
return parameters.Select(selectFunc).ToArray();
}
private static Expression[] CreateParameterExpressions(ParameterInfo[] methodParams, ParameterExpression argsParameter)
{
return methodParams.Select(
(parameter, index) =>
Expression.Convert(
Expression.ArrayIndex(argsParameter, Expression.Constant(index)),
parameter.ParameterType
)
).ToArray();
}
private static string CreateTypeName(string delegateName, ParameterInfo[] parameters)
{
var builder = new StringBuilder();
builder.Append(delegateName);
builder.Append("<");
builder.Append(String.Join(",", parameters.Select(c => c.Name).ToArray()));
builder.Append(">");
return builder.ToString();
}
private static Delegate GetCallMethodAsyncFuncInternal(Type serviceType, Type argumentType, ParameterInfo[] arguments, MethodInfo method, bool hasReturn)
{
if (arguments.Length > 0 && argumentType == null)
throw new ArgumentException("parameterType can not be null when paras.Length > 0");
var serviceArgument = Expression.Parameter(typeof(object), "service");
var actionArgument = Expression.Parameter(typeof(object), "argument");
var asyncCallbackArgument = Expression.Parameter(typeof(AsyncCallback), "callback");
var stateArgument = Expression.Parameter(typeof(object), "state");
var convertService = Expression.Convert(serviceArgument, serviceType);
var convertArgument = argumentType == null ? null : Expression.Convert(actionArgument, argumentType);
MethodCallExpression call;
if (arguments.Length > 1)
{
if (convertArgument == null)
throw new ArgumentException("argumentType can't be null when arguments.Length > 1");
var callArgs = arguments
.Select(it => (Expression)Expression.Property(convertArgument, it.Name))
.ToList();
callArgs.Add(asyncCallbackArgument);
callArgs.Add(stateArgument);
call = Expression.Call(convertService, method, callArgs);
}
else if (arguments.Length == 1)
{
call = Expression.Call(convertService, method, new Expression[] { convertArgument, asyncCallbackArgument, stateArgument });
}
else
{
call = Expression.Call(convertService, method, new Expression[] { asyncCallbackArgument, stateArgument });
}
var methodArgs = new[] { serviceArgument, actionArgument, asyncCallbackArgument, stateArgument };
LambdaExpression methodLam;
if (hasReturn)
{
var convertCall = Expression.Convert(call, typeof(IAsyncResult));
methodLam = Expression.Lambda(convertCall, methodArgs);
}
else
{
methodLam = Expression.Lambda(call, methodArgs);
}
var methodFunc = methodLam.Compile();
return methodFunc;
}
/// <summary>
/// Compares the signature of the method with the given parameter types and returns true if
/// all method parameters have the same order and type. Parameter names are not considered.
/// </summary>
/// <returns>True if the supplied parameter type array matches the method parameters array, false otherwise.</returns>
public static bool HasParameterSignature(this MethodBase method, ParameterInfo[] parameters)
{
return method.GetParameters().Select(p => p.ParameterType).SequenceEqual(parameters.Select(p => p.ParameterType));
}
private object[] GetParameterData(ParameterInfo[] parameters, Fixture fixture)
{
return parameters
.Select(p => new SpecimenContext(fixture).Resolve(p))
.ToArray();
}
private static string FormatParameters(ParameterInfo[] parameters)
{
return string.Join(",", parameters.Select(x => x.ParameterType.Name));
}
private void SetSignature(Type returnType, ParameterInfo returnParameter, Type[] parameters,
ParameterInfo[] baseMethodParameters)
{
builder.SetSignature(
returnType,
#if FEATURE_EMIT_CUSTOMMODIFIERS
returnParameter.GetRequiredCustomModifiers(),
returnParameter.GetOptionalCustomModifiers(),
#else
null,
null,
#endif
parameters,
#if FEATURE_EMIT_CUSTOMMODIFIERS
baseMethodParameters.Select(x => x.GetRequiredCustomModifiers()).ToArray(),
baseMethodParameters.Select(x => x.GetOptionalCustomModifiers()).ToArray()
#else
null,
null
#endif
);
}
public IdentifierImpl(string className, string methodName, ParameterInfo[] parameters)
: this(className, methodName, parameters.Select(p => p.Name).ToArray(), ToParameterStringArray(parameters.Select(p => p.ParameterType).ToArray()), false) {}
private List<Parameter> BuildParameterList(ParameterInfo[] parameters, bool checkForExtensionMethods)
{
if (parameters == null || parameters.Length == 0)
return null;
return parameters.Select(a => new Parameter
{
Name = a.Name,
TypeName = GetReadableTypeName(a.ParameterType),
ParameterFlags = GetParameterFlags(a, checkForExtensionMethods)
}).ToList();
}
private static IAstRefOrValue CreateCallMethod(MethodInfo mi, ParameterInfo[] parameters)
{
return
AstBuildHelper.CallMethod(
mi,
mi.IsStatic ? null :
new AstCastclassRef(
AstBuildHelper.ReadFieldRV(
new AstReadThis() { thisType = typeof(MethodInvokerBase) },
typeof(MethodInvokerBase).GetField("targetObject", BindingFlags.NonPublic | BindingFlags.Instance)
),
mi.DeclaringType
),
parameters.Select((p, idx) => (IAstStackItem)AstBuildHelper.ReadArgumentRV(idx + 1, typeof(object))).ToList()
);
}
private static string BuildParameterPath(ParameterInfo[] parameters)
{
if(!parameters.Any()) return String.Empty;
var parameterPath = Path.Combine(parameters.Select(p => $"{{{p.Name}}}").ToArray());
return $"/{parameterPath}";
}
private IEnumerable<object> get_parameters(ParameterInfo[] param_types)
{
return param_types.Select(x => Container.Current.get_a(x.ParameterType));
}
private string TypeNames(ParameterInfo[] parameters)
{
return String.Join(",", parameters.Select(p => p.ParameterType.FullName).ToArray());
}
internal XmlComment GetMethodDocumentation(Type type, string methodName, ParameterInfo[] parameters)
{
string paramString = string.Join(",", parameters.Select(p => p.ParameterType.FullName));
string attributeValue = type.FullName + "." + methodName + "(" + paramString + ")";
return GetXmlComment("//member[@name=\"M:" + attributeValue + "\"]");
}
private static Delegate GetCallMethodFuncInternal(Type serviceType, Type argumentType, ParameterInfo[] arguments, MethodInfo method, bool hasReturn)
{
#if NETCORE
if (method.ReturnType.GetTypeInfo().IsGenericType && method.ReturnType.GetTypeInfo().BaseType == typeof(Task))
#else
if (method.ReturnType.IsGenericType && method.ReturnType.BaseType == typeof(Task))
#endif
return GetCallTaskMethodFuncInternal(serviceType, argumentType, arguments, method, hasReturn);
if (arguments.Length > 0 && argumentType == null)
throw new ArgumentException("parameterType can not be null when paras.Length > 0");
var serviceArgument = Expression.Parameter(typeof(object), "service");
var actionArgument = Expression.Parameter(typeof(object), "argument");
var convertService = Expression.Convert(serviceArgument, serviceType);
var convertArgument = argumentType == null ? null : Expression.Convert(actionArgument, argumentType);
MethodCallExpression call;
if (arguments.Length > 1)
{
if (convertArgument == null)
throw new ArgumentException("argumentType can't be null when arguments.Length > 1");
var callArgs = arguments
.Select(it => Expression.Property(convertArgument, it.Name))
.ToList();
call = method.IsStatic
? Expression.Call(method, callArgs)
: Expression.Call(convertService, method, callArgs);
}
else if (arguments.Length == 1)
{
call = method.IsStatic
? Expression.Call(method, new Expression[] { convertArgument })
: Expression.Call(convertService, method, new Expression[] { convertArgument });
}
else
{
call = method.IsStatic
? Expression.Call(method)
: Expression.Call(convertService, method);
}
var methodArgs = new[] { serviceArgument, actionArgument };
LambdaExpression methodLam;
if (hasReturn)
{
var convertCall = Expression.Convert(call, typeof(object));
methodLam = Expression.Lambda(convertCall, methodArgs);
}
else
{
methodLam = Expression.Lambda(call, methodArgs);
}
var methodFunc = methodLam.Compile();
return methodFunc;
}
private string GetPropertyRefId(PropertyInfo pinfo, ParameterInfo[] parameters)
{
StringBuilder sb = new StringBuilder();
sb.Append(pinfo.Name);
if (parameters != null && parameters.Length > 0)
{
sb.Append("(");
sb.Append(string.Join(",", parameters.Select(a => a.ParameterType.IsGenericParameter ? (a.ParameterType.DeclaringMethod != null ? "``" : "`") + a.ParameterType.GenericParameterPosition : GetReadableTypeName(a.ParameterType)).ToArray()));
sb.Append(")");
}
return sb.ToString().Replace('<', '{').Replace('>', '}').Replace(" ", "");
}
private string GetMethodRefId(MethodBase method, ParameterInfo[] parameters)
{
StringBuilder sb = new StringBuilder();
sb.Append(method.Name.Replace(".ctor", "#ctor"));
if (method.IsGenericMethod)
{
var gp = method.GetGenericArguments();
if (gp.Length > 0)
sb.Append("``").Append(gp.Length);
}
sb.Append("(");
sb.Append(string.Join(",", parameters.Select(a => a.ParameterType.IsGenericParameter ? (a.ParameterType.DeclaringMethod != null ? "``" : "`") + a.ParameterType.GenericParameterPosition : GetReadableTypeName(a.ParameterType)).ToArray()));
sb.Append(")");
return sb.ToString().Replace('<', '{').Replace('>', '}').Replace(" ", "");
}
private ParadigmParameter[] CreateParameters(ParameterInfo[] parameters, object[] parameterValues)
{
ValidateParameters(parameters, parameterValues);
return parameters.Select((param, index) => new ParadigmParameter(param, parameterValues[index])).ToArray();
}
internal static string SummarizeTypes(ParameterInfo[] parameters)
{
var types = parameters.Select(p => p.ParameterType).ToArray();
return SummarizeTypes(types);
}
public static List<string> GetParameterNames(ParameterInfo[] parameters)
{
return parameters
.Select(parameter => parameter.Name)
.ToList();
}
private static void EmitInvokeCore( ServiceInvokerEmitter emitter, MethodInfo targetOperation, ParameterInfo[] parameters, Type returnType, bool isWrapperNeeded )
{
var methodReturnType = targetOperation.ReturnType == typeof( void ) ? typeof( Missing ) : targetOperation.ReturnType;
var asyncInvokerIsDebugModeProperty = typeof( AsyncServiceInvoker<> ).MakeGenericType( methodReturnType ).GetProperty( "IsDebugMode", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic );
var il = emitter.GetInvokeCoreMethodILGenerator();
try
{
var endOfMethod = il.DefineLabel();
var unpackedArguments = parameters.Select( item => il.DeclareLocal( item.ParameterType, item.Name ) ).ToArray();
var serializers = unpackedArguments.Select( item => emitter.RegisterSerializer( item.LocalType ) ).ToArray();
var result = il.DeclareLocal( typeof( AsyncInvocationResult ), "result" );
/*
* using( var argumentsItemUnpacker = arguments.ReadSubTree() )
* {
* argumentsItemUnpacker.
* ...
* }
*/
var argumentsItemUnpacker = il.DeclareLocal( typeof( Unpacker ), "argumentsItemUnpacker" );
il.EmitAnyLdarg( 1 );
il.EmitAnyCall( _unpackerReadSubtreeMethod );
il.EmitAnyStloc( argumentsItemUnpacker );
il.BeginExceptionBlock();
for ( int i = 0; i < parameters.Length; i++ )
{
/*
* if ( !argumentsItemUnpacker.Read() )
* {
* throw new SerializationException( String.Format( CultureInfo.CurrentCuture, "Stream unexpectedly ends at argument {0}.", N ) );
* }
*
* T argN;
* try
* {
* argN = this._serializerN.UnpackFrom( argumentsItemUnpacker );
* }
* catch( Exception ex )
* {
* return new AsyncInvocatonResult( InvocationHelper.HandleArgumentDeserializationException( ex, "argN" ) );
* return;
* }
*/
il.EmitAnyLdloc( argumentsItemUnpacker );
il.EmitAnyCall( _unpackerReadMethod );
var endIf = il.DefineLabel();
il.EmitBrtrue_S( endIf );
var args = il.DeclareLocal( typeof( object[] ), "args" );
il.EmitNewarr( typeof( object ), 1 );
il.EmitAnyStloc( args );
il.EmitGetProperty( _cultureInfoCurrentCultureProperty );
il.EmitLdstr( "Stream unexpectedly ends at arguments array {0}." );
il.EmitAnyLdloc( args );
il.EmitAnyLdc_I4( 0 );
il.EmitAnyLdc_I4( i );
il.EmitBox( typeof( int ) );
il.EmitStelem( typeof( object ) );
il.EmitAnyLdloc( args );
il.EmitAnyCall( _stringFormatMethod );
il.EmitNewobj( _serializationExceptionCtorStringConstructor );
il.EmitThrow();
il.MarkLabel( endIf );
il.BeginExceptionBlock();
il.EmitAnyLdarg( 0 );
il.EmitLdfld( serializers[ i ] );
il.EmitAnyLdloc( argumentsItemUnpacker );
il.EmitAnyCall( serializers[ i ].FieldType.GetMethod( "UnpackFrom", BindingFlags.Public | BindingFlags.Instance ) );
il.EmitAnyStloc( unpackedArguments[ i ] );
EmitExceptionHandling(
il,
returnType,
endOfMethod,
( il0, exception ) =>
{
il0.EmitAnyLdloc( exception );
il0.EmitLdstr( parameters[ i ].Name );
il0.EmitAnyLdarg( 0 );
il0.EmitGetProperty( asyncInvokerIsDebugModeProperty );
il0.EmitCall( InvocationHelper.HandleArgumentDeserializationExceptionMethod );
il0.EmitNewobj( _asyncInvocationResultErrorConstructor );
il0.EmitAnyStloc( result );
}
);
}
il.BeginFinallyBlock();
il.EmitAnyLdloc( argumentsItemUnpacker );
il.EmitAnyCall( _idisposableDisposeMethod );
il.EndExceptionBlock();
/*
* TService service = this._serviceDescription.Initializer()
*/
var service = il.DeclareLocal( targetOperation.DeclaringType, "service" );
il.EmitAnyLdarg( 0 );
il.EmitGetProperty( typeof( AsyncServiceInvoker<> ).MakeGenericType( methodReturnType ).GetProperty( "ServiceDescription" ) );
il.EmitGetProperty( ServiceDescription.InitializerProperty );
il.EmitAnyCall( _func_1_Invoke );
il.EmitCastclass( service.LocalType );
il.EmitAnyStloc( service );
/*
* #if IS_TASK
* return new AsyncInvocationResult( service.Target( arg1, ..., argN ) );
* #else
* return new AsyncInvocationResult( this.PrivateInvokeCore( state as Tuple<...> ), new Tuple<...>(...) ) );
* #endif
*/
if ( !isWrapperNeeded )
{
il.EmitAnyLdloc( service );
foreach ( var arg in unpackedArguments )
{
il.EmitAnyLdloc( arg );
}
il.EmitAnyCall( targetOperation );
}
else
{
EmitWrapperInvocation( emitter, il, service, targetOperation, unpackedArguments );
}
il.EmitNewobj( _asyncInvocationResultTaskConstructor );
il.EmitAnyStloc( result );
il.MarkLabel( endOfMethod );
il.EmitAnyLdloc( result );
il.EmitRet();
}
finally
{
il.FlushTrace();
}
}
private static IAstRefOrValue CreateCallDelegate(Delegate del, ParameterInfo[] parameters)
{
return
AstBuildHelper.CallMethod(
del.GetType().GetMethod("Invoke"),
new AstCastclassRef(
AstBuildHelper.ReadFieldRV(
new AstReadThis() { thisType = typeof(DelegateInvokerBase) },
typeof(DelegateInvokerBase).GetField("_del", BindingFlags.NonPublic | BindingFlags.Instance)
),
del.GetType()
),
parameters.Select((p, idx) => (IAstStackItem)AstBuildHelper.ReadArgumentRV(idx + 1, typeof(object))).ToList()
);
}
private void SetSignature(Type returnType, ParameterInfo returnParameter, Type[] parameters,
ParameterInfo[] baseMethodParameters)
{
builder.SetSignature(
returnType,
#if SILVERLIGHT
null,
null,
#else
returnParameter.GetRequiredCustomModifiers(),
returnParameter.GetOptionalCustomModifiers(),
#endif
parameters,
#if SILVERLIGHT
null,
null
#else
baseMethodParameters.Select(x => x.GetRequiredCustomModifiers()).ToArray(),
baseMethodParameters.Select(x => x.GetOptionalCustomModifiers()).ToArray()
#endif
);
}
private static dynamic[] ExtractParameExtractParamtersFromPath(dynamic x, ParameterInfo[] parameters)
{
var nancyParameters = (DynamicDictionary) x;
var reqParams = parameters.Select(pi =>
{
var parameter = nancyParameters[pi.Name];
return Convert.ChangeType(parameter, pi.ParameterType);
}).ToArray();
return reqParams;
}
