internal override Type Get(ILGenerator generator)
{
if (Property == null && Field == null)
{
Resolve(null);
}
if (Property != null)
{
// Call the get method:
generator.Call(Property.GetMethod);
return(_Type);
}
if (Field != null)
{
// Load the field:
generator.LoadField(Field);
}
else if (IsConstant)
{
// Emit the default constant value:
EmitHelpers.EmitValue(generator, ConstantValue);
}
else
{
// Emit undefined:
EmitHelpers.EmitUndefined(generator);
}
return(_Type);
}
/// <summary>
/// Generates a method that does type conversion and calls the bound method.
/// </summary>
/// <param name="generator"> The ILGenerator used to output the body of the method. </param>
/// <param name="argumentCount"> The number of arguments that will be passed to the delegate. </param>
/// <returns> A delegate that does type conversion and calls the method represented by this
/// object. </returns>
protected override void GenerateStub(Jurassic.Compiler.ILGenerator generator, int argumentCount)
{
// Emit undefined.
EmitHelpers.EmitUndefined(generator);
// End the IL.
generator.Complete();
}
public void GeneratePoco_WorksOk()
{
var pocoType = EmitHelpers.CreatePocoType("Jalla",
"Dummy",
new KeyValuePair <string, Type>[]
{ new KeyValuePair <string, Type>("Lala", typeof(string)), });
var pocoInstance = Activator.CreateInstance(pocoType);
Assert.That(pocoInstance, Is.Not.Null);
}
public void CreateSimplePropertySetter()
{
var labelNoChange = Generator.DefineLabel();
EmitHelpers.GenerateJumpIfEqual(Generator, PropertyInfo.PropertyType, labelNoChange,
g => g.Ldarg(0).Ldfld(DefaultFieldBuilder),
g => g.Ldarg(1));
Generator
.Ldarg(0)
.Ldarg(1)
.Stfld(DefaultFieldBuilder);
CallObjectModified(Generator);
Generator.Mark(labelNoChange);
}
public void CreatePropertySetter(FieldHandlerCreateImpl ctx)
{
var ilGenerator = ctx.Generator;
var fieldBuilder = ctx.DefaultFieldBuilder;
var labelNoChange = ilGenerator.DefineLabel();
ilGenerator.DeclareLocal(typeof(ulong));
ilGenerator
.Ldarg(0)
.Ldfld(ctx.FieldMidLevelDBTransaction)
.Ldarg(1)
.Callvirt(() => ((IObjectDBTransactionInternal)null).GetOid(null))
.Stloc(0);
EmitHelpers.GenerateJumpIfEqual(ilGenerator, typeof(ulong), labelNoChange,
g => g.Ldarg(0).Ldfld(fieldBuilder),
g => g.Ldloc(0));
ilGenerator
.Ldarg(0)
.Ldloc(0)
.Stfld(fieldBuilder);
ctx.CallObjectModified(ilGenerator);
ilGenerator
.Mark(labelNoChange);
}
public GuidFieldHandler() : base(
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedReader)null).ReadGuid()),
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedReader)null).SkipGuid()),
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedWriter)null).WriteGuid(new Guid())))
{
}
private MethodBuilder BuildMethodAsync(TypeBuilder type, MethodInfo serviceAction)
{
const MethodAttributes methodAttributes = MethodAttributes.Public
| MethodAttributes.Virtual
| MethodAttributes.Final
| MethodAttributes.HideBySig
| MethodAttributes.NewSlot;
var method = type.DefineMethod(serviceAction.Name, methodAttributes);
// Preparing Reflection instances
var method1 = typeof(RestWrapper).GetMethod(
"GetParameters",
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic,
null,
new[] {
typeof(string),
typeof(object[])
},
null
);
var method2 = typeof(RestWrapper).GetMethod(serviceAction.ReturnType.GetGenericArguments().Length == 0 ? "InvokeVoidAsync" : "InvokeAsync", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, new[] { typeof(string), typeof(ParameterWrapper[]) }, null);
if (serviceAction.ReturnType.GenericTypeArguments.Any())
{
method2 = method2.MakeGenericMethod(serviceAction.ReturnType.GenericTypeArguments);
}
// Setting return type
method.SetReturnType(serviceAction.ReturnType);
// Adding parameters
method.SetParameters(serviceAction.GetParameters().Select(p => p.ParameterType).ToArray());
var i = 1;
foreach (var parameterInfo in serviceAction.GetParameters())
{
var param = method.DefineParameter(i, ParameterAttributes.None, parameterInfo.Name);
i++;
}
ILGenerator gen = method.GetILGenerator();
// Preparing locals
LocalBuilder par = gen.DeclareLocal(typeof(Object[]));
LocalBuilder parameters = gen.DeclareLocal(typeof(ParameterWrapper[]));
LocalBuilder result = gen.DeclareLocal(serviceAction.ReturnType);
LocalBuilder str = gen.DeclareLocal(serviceAction.ReturnType);
// Preparing labels
Label label55 = gen.DefineLabel();
// Writing body
var ps = serviceAction.GetParameters();
EmitHelpers.EmitInt32(gen, ps.Length);
gen.Emit(OpCodes.Newarr, typeof(object));
for (int j = 0; j < ps.Length; j++)
{
gen.Emit(OpCodes.Dup);
EmitHelpers.EmitInt32(gen, j);
EmitHelpers.EmitLdarg(gen, j + 1);
var paramType = ps[j].ParameterType;
if (paramType.IsValueType)
{
gen.Emit(OpCodes.Box, paramType);
}
gen.Emit(OpCodes.Stelem_Ref);
}
gen.Emit(OpCodes.Stloc_0);
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldstr, serviceAction.Name);
gen.Emit(OpCodes.Ldloc_0);
gen.Emit(OpCodes.Call, method1);
gen.Emit(OpCodes.Stloc_1);
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldstr, serviceAction.Name);
gen.Emit(OpCodes.Ldloc_1);
gen.Emit(OpCodes.Call, method2);
gen.Emit(OpCodes.Stloc_2);
gen.Emit(OpCodes.Ldloc_2);
gen.Emit(OpCodes.Stloc_3);
gen.Emit(OpCodes.Br_S, label55);
gen.MarkLabel(label55);
gen.Emit(OpCodes.Ldloc_3);
gen.Emit(OpCodes.Ret);
// finished
return(method);
}
public SignedFieldHandler() : base("Signed",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadVInt64()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipVInt64()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteVInt64(0)))
{
}
/// <summary>
/// Generates CIL for the expression.
/// </summary>
/// <param name="generator"> The generator to output the CIL to. </param>
/// <param name="optimizationInfo"> Information about any optimizations that should be performed. </param>
public override void GenerateCode(ILGenerator generator, OptimizationInfo optimizationInfo)
{
//if (optimizationInfo.SuppressReturnValue == true)
// return;
EmitHelpers.LoadThis(generator);
}
static BasicSerializersFactory()
{
var fh = new List <IFieldHandler>();
var des = new List <ITypeDescriptor>();
AddJustOrderable(fh, "StringOrderable",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadStringOrdered()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipStringOrdered()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteStringOrdered(null)));
Add(fh, des, "String",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadString()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipString()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteString(null)));
Add(fh, des, "UInt8",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadUInt8()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipUInt8()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteUInt8(0)));
AddJustOrderable(fh, "Int8Orderable",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadInt8Ordered()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipInt8Ordered()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteInt8Ordered(0)));
Add(fh, des, "Int8",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadInt8()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipInt8()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteInt8(0)));
fh.Add(new SignedFieldHandler());
fh.Add(new UnsignedFieldHandler());
AddDescriptor(des, "VInt16",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadVInt16()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipVInt16()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteVInt16(0)));
AddDescriptor(des, "VUInt16",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadVUInt16()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipVUInt16()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteVUInt16(0)));
AddDescriptor(des, "VInt32",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadVInt32()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipVInt32()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteVInt32(0)));
AddDescriptor(des, "VUInt32",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadVUInt32()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipVUInt32()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteVUInt32(0)));
AddDescriptor(des, "VInt64",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadVInt64()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipVInt64()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteVInt64(0)));
AddDescriptor(des, "VUInt64",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadVUInt64()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipVUInt64()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteVUInt64(0)));
Add(fh, des, "Bool",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadBool()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipBool()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteBool(false)));
Add(fh, des, "Single",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadSingle()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipSingle()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteSingle(0)));
Add(fh, des, "Double",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadDouble()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipDouble()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteDouble(0)));
Add(fh, des, "Decimal",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadDecimal()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipDecimal()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteDecimal(0)));
AddJustOrderable(fh, "DateTime",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadDateTime()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipDateTime()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteDateTimeForbidUnspecifiedKind(new DateTime())));
Add(fh, des, "DateTime",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadDateTime()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipDateTime()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteDateTime(new DateTime())));
Add(fh, des, "TimeSpan",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadTimeSpan()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipTimeSpan()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteTimeSpan(new TimeSpan())));
Add(fh, des, "Guid",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadGuid()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipGuid()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteGuid(new Guid())));
fh.Add(new ByteArrayLastFieldHandler());
fh.Add(new ByteArrayFieldHandler());
des.Add(new ByteArrayTypeDescriptor());
Add(fh, des, "IPAddress",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadIPAddress()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipIPAddress()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteIPAddress(IPAddress.Any)));
Add(fh, des, "Version",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadVersion()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipVersion()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteVersion(null)));
fh.Add(new OrderedEncryptedStringHandler());
fh.Add(new EncryptedStringHandler());
des.Add(new EncryptedStringDescriptor());
Add(fh, des, "DateTimeOffset",
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).ReadDateTimeOffset()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedReader).SkipDateTimeOffset()),
EmitHelpers.GetMethodInfo(() => default(AbstractBufferedWriter).WriteDateTimeOffset(new DateTimeOffset())));
FieldHandlers = fh.ToArray();
TypeDescriptors = des.ToArray();
}
public static Func <object> ConstructType(Type type)
{
return(EmitHelpers.EmitDynamicMethod <Func <object> >("Construct_" + type.Name + "_" + Guid.NewGuid(), type.Module, il => EmitCode(type, il)));
}
public BoolFieldHandler() : base(
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedReader)null).ReadBool()),
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedReader)null).SkipBool()),
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedWriter)null).WriteBool(false)))
{
}
/// <summary>
/// Builds delegate that creates uninitialized class instance for purposes of deserialization and reflection.
/// </summary>
static bool TryBuildCreateEmptyObjectFunc(PhpTypeInfo tinfo, out Func <Context, object> activator)
{
Debug.Assert(tinfo != null);
activator = null;
if (tinfo.IsInterface)
{
// cannot be instantiated
}
else if (tinfo.Type.IsAbstract)
{
// abstract class,
// generate a non-abstract class that implements this one:
var dummytype = EmitHelpers.CreatDefaultAbstractClassImplementation(tinfo.Type, out var ctor);
activator = _ctx => ctor.Invoke(new object[] { _ctx });
}
else if (tinfo.IsTrait)
{
// trait class, can be instantiated using following (and the only) .ctor:
// .ctor( Context, TSelf )
if (tinfo.Type.IsGenericTypeDefinition)
{
// trait class must be constructed first!
throw new NotSupportedException("Trait type is not constructed, cannot be created.");
// tinfo = tinfo.Type.MakeGenericType(typeof(object));
}
else
{
foreach (var c in tinfo.Type.GetConstructors())
{
// there is only one .ctor:
var ps = c.GetParameters();
if (ps.Length == 2 && ps[0].IsContextParameter() && ps[1].ParameterType == typeof(object) && c.IsPublic)
{
activator = _ctx => c.Invoke(new[] { _ctx, new object(), });
}
}
}
}
else
{
// regular instantiable class
foreach (var c in tinfo.Type.DeclaredConstructors)
{
if (c.IsStatic || c.IsPrivate || c.IsPhpHidden())
{
continue;
}
var ps = c.GetParameters();
switch (ps.Length)
{
// .ctor()
case 0:
activator = (_ctx) => c.Invoke(Array.Empty <object>());
break;
// .ctor(Context)
case 1 when ps[0].IsContextParameter():
public DateTimeFieldHandler() : base(
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedReader)null).ReadDateTime()),
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedReader)null).SkipDateTime()),
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedWriter)null).WriteDateTime(new DateTime())))
{
}
/// <summary>
/// Generates CIL for the expression.
/// </summary>
/// <param name="generator"> The generator to output the CIL to. </param>
/// <param name="optimizationInfo"> Information about any optimizations that should be performed. </param>
public override void GenerateCode(ILGenerator generator, OptimizationInfo optimizationInfo)
{
EmitHelpers.LoadNewTarget(generator);
}
/// <summary>
/// Generates CIL for the expression.
/// </summary>
/// <param name="generator"> The generator to output the CIL to. </param>
/// <param name="optimizationInfo"> Information about any optimizations that should be performed. </param>
public override void GenerateCode(ILGenerator generator, OptimizationInfo optimizationInfo)
{
// The left hand side needs to be a variable reference or member access.
var target = this.GetOperand(0) as IReferenceExpression;
if (target == null)
{
// Emit an error message.
switch (this.OperatorType)
{
case OperatorType.PostIncrement:
case OperatorType.PostDecrement:
EmitHelpers.EmitThrow(generator, "ReferenceError", "Invalid left-hand side in postfix operation", optimizationInfo);
break;
case OperatorType.PreIncrement:
case OperatorType.PreDecrement:
EmitHelpers.EmitThrow(generator, "ReferenceError", "Invalid left-hand side in prefix operation", optimizationInfo);
break;
default:
EmitHelpers.EmitThrow(generator, "ReferenceError", "Invalid left-hand side in assignment", optimizationInfo);
break;
}
//if (optimizationInfo.SuppressReturnValue == false)
EmitHelpers.EmitDefaultValue(generator, this.ResultType);
return;
}
// The left hand side cannot be "arguments" or "eval" in strict mode.
if (optimizationInfo.StrictMode && target is NameExpression)
{
if (((NameExpression)target).Name == "eval")
{
throw new JavaScriptException(optimizationInfo.Engine, "SyntaxError", "The variable 'eval' cannot be modified in strict mode.", optimizationInfo.SourceSpan.StartLine, optimizationInfo.Source.Path, optimizationInfo.FunctionName);
}
if (((NameExpression)target).Name == "arguments")
{
throw new JavaScriptException(optimizationInfo.Engine, "SyntaxError", "The variable 'arguments' cannot be modified in strict mode.", optimizationInfo.SourceSpan.StartLine, optimizationInfo.Source.Path, optimizationInfo.FunctionName);
}
}
switch (this.OperatorType)
{
case OperatorType.Assignment:
// Standard assignment operator.
GenerateAssignment(generator, optimizationInfo, target);
break;
case OperatorType.PostIncrement:
GenerateIncrementOrDecrement(generator, optimizationInfo, target, true, true);
break;
case OperatorType.PostDecrement:
GenerateIncrementOrDecrement(generator, optimizationInfo, target, true, false);
break;
case OperatorType.PreIncrement:
GenerateIncrementOrDecrement(generator, optimizationInfo, target, false, true);
break;
case OperatorType.PreDecrement:
GenerateIncrementOrDecrement(generator, optimizationInfo, target, false, false);
break;
case OperatorType.CompoundAdd:
// Special case +=
GenerateCompoundAddAssignment(generator, optimizationInfo, target);
break;
default:
// All other compound operators.
GenerateCompoundAssignment(generator, optimizationInfo, target);
break;
}
}
public DecimalFieldHandler() : base(
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedReader)null).ReadDecimal()),
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedReader)null).SkipDecimal()),
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedWriter)null).WriteDecimal(0)))
{
}
public Type CreateDelegate(MethodInfo targetMethod, TypeBuilder parent, List <ParameterWrapper> methodParams)
{
typeCounter++;
var typeBuilder = myModuleBuilder.DefineType(string.Format("TempModule.Controllers.{0}{1}{2}Delegate{3}", targetMethod.DeclaringType.Name, targetMethod.Name, targetMethod.GetParameters().Length, typeCounter),
TypeAttributes.Class | TypeAttributes.Public | TypeAttributes.Sealed | TypeAttributes.AnsiClass | TypeAttributes.AutoClass,
typeof(object));
//var typeBuilder = myModuleBuilder.DefineType(string.Format("{0}{1}{2}Delegate", targetMethod.DeclaringType.Name, targetMethod.Name, targetMethod.GetParameters().Length), TypeAttributes.Class | TypeAttributes.Public | TypeAttributes.Sealed | TypeAttributes.AnsiClass | TypeAttributes.AutoClass, typeof(object));
var imp = typeBuilder.DefineField("implementation", parent, FieldAttributes.Public);
var baseController = typeof(ServiceWrapperBase <>).MakeGenericType(targetMethod.DeclaringType).GetField("implementation", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
var param = typeBuilder.DefineField("parameters", typeof(ParameterWrapper[]), FieldAttributes.Public);
CreateDelegateCtor(typeBuilder);
// Declaring method builder
// Method attributes
System.Reflection.MethodAttributes methodAttributes =
System.Reflection.MethodAttributes.Assembly
| System.Reflection.MethodAttributes.HideBySig;
MethodBuilder method = typeBuilder.DefineMethod(targetMethod.Name, methodAttributes);
// Preparing Reflection instances
//FieldInfo field1 = typeof(<> c__DisplayClass2_0).GetField("<>4__this", BindingFlags.Public | BindingFlags.NonPublic);
//FieldInfo field2 = typeof(Stardust.Interstellar.Rest.Service.ServiceWrapperBase<>).MakeGenericType(typeof(ITestApi)).GetField("implementation", BindingFlags.Public | BindingFlags.NonPublic);
//FieldInfo field3 = typeof(<> c__DisplayClass2_0).GetField("serviceParameters", BindingFlags.Public | BindingFlags.NonPublic);
MethodInfo method4 = typeof(ParameterWrapper).GetMethod(
"get_value",
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic,
null,
new Type[] {
},
null
);
MethodInfo method5 = targetMethod;
// Setting return type
method.SetReturnType(targetMethod.ReturnType);
// Adding parameters
ILGenerator gen = method.GetILGenerator();
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldfld, imp);
gen.Emit(OpCodes.Ldfld, baseController);
var iii = 0;
foreach (var item in methodParams)
{
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldfld, param);
EmitHelpers.EmitInt32(gen, iii);
gen.Emit(OpCodes.Ldelem_Ref);
gen.Emit(OpCodes.Callvirt, method4);
if (item.Type.IsValueType)
{
gen.Emit(OpCodes.Unbox_Any, item.Type);
}
else
{
gen.Emit(OpCodes.Castclass, item.Type);
}
iii++;
}
gen.Emit(OpCodes.Callvirt, method5);
gen.Emit(OpCodes.Ret);
// finished
var t = typeBuilder.CreateType();
return(t);
}
/// <summary>
/// Generates CIL for the expression.
/// </summary>
/// <param name="generator"> The generator to output the CIL to. </param>
/// <param name="optimizationInfo"> Information about any optimizations that should be performed. </param>
public override void GenerateCode(ILGenerator generator, OptimizationInfo optimizationInfo)
{
// Note: we use GetRawOperand() so that grouping operators are not ignored.
var operand = this.GetRawOperand(0);
var functionCallExpressionOperand = operand as FunctionCallExpression;
// There is only one operand, and it can be either a reference or a function call.
// We need to split the operand into a function and some arguments.
// If the operand is a reference, it is equivalent to a function call with no arguments.
if (functionCallExpressionOperand != null)
{
// Emit the function instance first.
var function = functionCallExpressionOperand.Target;
function.GenerateCode(generator, optimizationInfo);
EmitConversion.ToAny(generator, function.ResultType);
}
else
{
// Emit the function instance first.
operand.GenerateCode(generator, optimizationInfo);
EmitConversion.ToAny(generator, operand.ResultType);
}
// Check the object really is a function - if not, throw an exception.
generator.IsInstance(typeof(Library.FunctionInstance));
generator.Duplicate();
var endOfTypeCheck = generator.CreateLabel();
generator.BranchIfNotNull(endOfTypeCheck);
// Throw an nicely formatted exception.
var targetValue = generator.CreateTemporaryVariable(typeof(object));
generator.StoreVariable(targetValue);
EmitHelpers.LoadScriptEngine(generator);
generator.LoadString("TypeError");
generator.LoadString("The new operator requires a function, found a '{0}' instead");
generator.LoadInt32(1);
generator.NewArray(typeof(object));
generator.Duplicate();
generator.LoadInt32(0);
generator.LoadVariable(targetValue);
generator.Call(ReflectionHelpers.TypeUtilities_TypeOf.Value);
generator.StoreArrayElement(typeof(object));
generator.Call(ReflectionHelpers.String_Format.Value);
generator.LoadInt32(optimizationInfo.SourceSpan.StartLine);
generator.LoadStringOrNull(optimizationInfo.Source.Path);
generator.LoadStringOrNull(optimizationInfo.FunctionName);
generator.NewObject(ReflectionHelpers.JavaScriptException_Constructor_Error.Value);
generator.Throw();
generator.DefineLabelPosition(endOfTypeCheck);
generator.ReleaseTemporaryVariable(targetValue);
if (functionCallExpressionOperand != null)
{
// Emit an array containing the function arguments.
((FunctionCallExpression)operand).GenerateArgumentsArray(generator, optimizationInfo);
}
else
{
// Emit an empty array.
generator.LoadInt32(0);
generator.NewArray(typeof(object));
}
// Call FunctionInstance.ConstructLateBound(argumentValues)
generator.Call(ReflectionHelpers.FunctionInstance_ConstructLateBound.Value);
}
private MethodBuilder VoidMethodBuilder(MethodInfo implementationMethod, MethodBuilder method, Type[] pTypes, List <ParameterWrapper> methodParams)
{
MethodInfo gatherParams = typeof(ServiceWrapperBase <>).MakeGenericType(implementationMethod.DeclaringType).GetMethod(
"GatherParameters",
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic,
null,
new Type[] {
typeof(String),
typeof(Object[])
},
null
);
var baseType = typeof(ServiceWrapperBase <>).MakeGenericType(implementationMethod.DeclaringType);
var implementation = baseType.GetRuntimeFields().Single(f => f.Name == "implementation");
MethodInfo getValue = typeof(ParameterWrapper).GetMethod(
"get_value",
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic,
null,
new Type[] {
},
null
);
MethodInfo createResponse = typeof(ServiceWrapperBase <>).MakeGenericType(implementationMethod.DeclaringType).GetMethod("CreateResponse", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
if (implementationMethod.ReturnType == typeof(void))
{
createResponse = createResponse.MakeGenericMethod(typeof(object));
}
else
{
createResponse = createResponse.MakeGenericMethod(implementationMethod.ReturnType);
}
MethodInfo method9 = typeof(ServiceWrapperBase <>).MakeGenericType(implementationMethod.DeclaringType).GetMethod(
"CreateErrorResponse",
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic,
null,
new Type[] {
typeof(Exception)
},
null
);
ILGenerator gen = method.GetILGenerator();
// Preparing locals
LocalBuilder parameters = gen.DeclareLocal(typeof(Object[]));
LocalBuilder serviceParameters = gen.DeclareLocal(typeof(ParameterWrapper[]));
LocalBuilder message = gen.DeclareLocal(typeof(IActionResult));
LocalBuilder ex = gen.DeclareLocal(typeof(Exception));
// Writing body
gen.Emit(OpCodes.Nop);
gen.BeginExceptionBlock();
gen.Emit(OpCodes.Nop);
var ps = pTypes;
EmitHelpers.EmitInt32(gen, ps.Length);
gen.Emit(OpCodes.Newarr, typeof(object));
for (int j = 0; j < ps.Length; j++)
{
gen.Emit(OpCodes.Dup);
EmitHelpers.EmitInt32(gen, j);
EmitHelpers.EmitLdarg(gen, j + 1);
var paramType = ps[j];
if (paramType.IsValueType)
{
gen.Emit(OpCodes.Box, paramType);
}
gen.Emit(OpCodes.Stelem_Ref);
}
gen.Emit(OpCodes.Stloc_0);
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldstr, implementationMethod.Name);
gen.Emit(OpCodes.Ldloc_0);
gen.Emit(OpCodes.Call, gatherParams);
gen.Emit(OpCodes.Stloc_1);
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldfld, implementation);
int iii = 0;
foreach (var parameterWrapper in methodParams)
{
gen.Emit(OpCodes.Ldloc_1);
EmitHelpers.EmitInt32(gen, iii);//gen.Emit(OpCodes.Ldc_I4_0);
gen.Emit(OpCodes.Ldelem_Ref);
gen.Emit(OpCodes.Callvirt, getValue);
if (parameterWrapper.Type.IsValueType)
{
gen.Emit(OpCodes.Unbox_Any, parameterWrapper.Type);
}
else
{
gen.Emit(OpCodes.Castclass, parameterWrapper.Type);
}
iii++;
}
gen.Emit(OpCodes.Callvirt, implementationMethod);
if (implementationMethod.ReturnType != typeof(void))
{
gen.Emit(OpCodes.Stloc_2);
}
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldc_I4, 200);
if (implementationMethod.ReturnType != typeof(void))
{
gen.Emit(OpCodes.Ldloc_2);
}
else
{
gen.Emit(OpCodes.Ldnull);
}
gen.Emit(OpCodes.Call, createResponse);
gen.Emit(OpCodes.Stloc_2);
gen.BeginCatchBlock(typeof(Exception));
gen.Emit(OpCodes.Stloc_3);
gen.Emit(OpCodes.Nop);
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldloc_3);
gen.Emit(OpCodes.Call, method9);
gen.Emit(OpCodes.Stloc_2);
gen.EndExceptionBlock();
gen.Emit(OpCodes.Ldloc_2);
gen.Emit(OpCodes.Ret);
// finished
return(method);
}
public UnsignedFieldHandler() : base(
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedReader)null).ReadVUInt64()),
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedReader)null).SkipVUInt64()),
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedWriter)null).WriteVUInt64(0)))
{
}
private MethodBuilder BuildAsyncVoidMethodBody(MethodInfo implementationMethod, MethodBuilder method, Type[] pTypes, List <ParameterWrapper> methodParams, TypeBuilder parent)
{
MethodInfo gatherParams = typeof(ServiceWrapperBase <>).MakeGenericType(implementationMethod.DeclaringType).GetMethod(
"GatherParameters",
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic,
null,
new Type[] {
typeof(string),
typeof(object[])
},
null
);
var delegateType = new VoidDelegateBuilder(myModuleBuilder).CreateVoidDelegate(implementationMethod, parent, methodParams);
var delegateCtor = delegateType.GetConstructor(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, new Type[] { }, null);
var baseType = typeof(ServiceWrapperBase <>).MakeGenericType(implementationMethod.DeclaringType);
var implementation = baseType.GetRuntimeFields().Single(f => f.Name == "implementation");
MethodInfo getValue = typeof(ParameterWrapper).GetMethod(
"get_value",
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic,
null,
new Type[] {
},
null
);
ConstructorInfo ctor9 = typeof(System.Func <>).MakeGenericType(typeof(Task)).GetConstructor(
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic,
null,
new Type[] {
typeof(Object),
typeof(IntPtr)
},
null
);
MethodInfo createResponse = typeof(ServiceWrapperBase <>).MakeGenericType(implementationMethod.DeclaringType).GetMethod("CreateResponseAsync", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
//createResponse = createResponse.MakeGenericMethod(implementationMethod.ReturnType.GetGenericArguments());
MethodInfo method9 = typeof(ServiceWrapperBase <>).MakeGenericType(implementationMethod.DeclaringType).GetMethod(
"CreateErrorResponse",
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic,
null,
new Type[] {
typeof(Exception)
},
null
);
var delegateMethod = delegateType.GetMethod(implementationMethod.Name, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);//.MakeGenericMethod(implementationMethod.ReturnType.GenericTypeArguments);
var method10 = typeof(ServiceWrapperBase <>).MakeGenericType(implementationMethod.DeclaringType)
.GetMethod("ExecuteMethodVoidAsync", BindingFlags.Instance | BindingFlags.NonPublic);
FieldInfo field7 = delegateType.GetField("parameters", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
FieldInfo field5 = delegateType.GetField("implementation", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
MethodInfo fromResult = typeof(Task).GetMethod("FromResult").MakeGenericMethod(typeof(IActionResult));
ILGenerator gen = method.GetILGenerator();
// Preparing locals
LocalBuilder del = gen.DeclareLocal(delegateType);
LocalBuilder serviceParameters = gen.DeclareLocal(typeof(object[]));
LocalBuilder result = gen.DeclareLocal(typeof(Task <>).MakeGenericType(typeof(IActionResult)));
LocalBuilder ex = gen.DeclareLocal(typeof(Exception));
// Preparing labels
Label label97 = gen.DefineLabel();
// Writing body
gen.Emit(OpCodes.Nop);
gen.BeginExceptionBlock();
gen.Emit(OpCodes.Newobj, delegateCtor);
gen.Emit(OpCodes.Stloc_0);
gen.Emit(OpCodes.Ldloc_0);
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Stfld, field5);
var ps = pTypes;
EmitHelpers.EmitInt32(gen, ps.Length);
gen.Emit(OpCodes.Newarr, typeof(object));
for (int j = 0; j < ps.Length; j++)
{
gen.Emit(OpCodes.Dup);
EmitHelpers.EmitInt32(gen, j);
EmitHelpers.EmitLdarg(gen, j + 1);
var paramType = ps[j];
if (paramType.IsValueType)
{
gen.Emit(OpCodes.Box, paramType);
}
gen.Emit(OpCodes.Stelem_Ref);
}
gen.Emit(OpCodes.Stloc_1);
gen.Emit(OpCodes.Ldloc_0);
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldstr, implementationMethod.Name);
gen.Emit(OpCodes.Ldloc_1);
gen.Emit(OpCodes.Call, gatherParams);
gen.Emit(OpCodes.Stfld, field7);
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldloc_0);
gen.Emit(OpCodes.Ldftn, delegateMethod);
gen.Emit(OpCodes.Newobj, ctor9);
gen.Emit(OpCodes.Call, method10);
gen.Emit(OpCodes.Stloc_2);
gen.Emit(OpCodes.Leave_S, label97);
gen.Emit(OpCodes.Leave_S, label97);
gen.BeginCatchBlock(typeof(Exception));
gen.Emit(OpCodes.Stloc_S, 3);
gen.Emit(OpCodes.Nop);
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldloc_S, 3);
gen.Emit(OpCodes.Call, method9);
gen.Emit(OpCodes.Call, fromResult);
gen.Emit(OpCodes.Stloc_2);
gen.Emit(OpCodes.Leave_S, label97);
gen.EndExceptionBlock();
gen.MarkLabel(label97);
gen.Emit(OpCodes.Ldloc_2);
gen.Emit(OpCodes.Ret);
// finished
return(method);
}
public StringFieldHandler() : base(
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedReader)null).ReadString()),
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedReader)null).SkipString()),
EmitHelpers.GetMethodInfo(() => ((AbstractBufferedWriter)null).WriteString(null)))
{
}
public MethodBuilder BuildAsyncVoidMethod(TypeBuilder type, MethodInfo implementationMethod)
{
// Declaring method builder
// Method attributes
const MethodAttributes methodAttributes = MethodAttributes.Public
| MethodAttributes.Virtual
| MethodAttributes.Final
| MethodAttributes.HideBySig
| MethodAttributes.NewSlot;
var method = type.DefineMethod(implementationMethod.Name, methodAttributes);
// Preparing Reflection instances
#region MyRegion
ConstructorInfo route = typeof(RouteAttribute).GetConstructor(
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic,
null,
new Type[] {
typeof(String)
},
null
);
ConstructorInfo httpGet = httpMethodAttribute(implementationMethod);
ConstructorInfo uriAttrib = typeof(FromUriAttribute).GetConstructor(
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic,
null,
new Type[] {
},
null
);
ConstructorInfo bodyAttrib = typeof(FromBodyAttribute).GetConstructor(
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic,
null,
new Type[] {
},
null
);
MethodInfo gatherParams = typeof(ServiceWrapperBase <>).MakeGenericType(implementationMethod.DeclaringType).GetMethod(
"GatherParameters",
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic,
null,
new Type[] {
typeof(string),
typeof(object[])
},
null
);
var baseType = typeof(ServiceWrapperBase <>).MakeGenericType(implementationMethod.DeclaringType);
var implementation = baseType.GetRuntimeFields().Single(f => f.Name == "implementation");
MethodInfo getValue = typeof(ParameterWrapper).GetMethod(
"get_value",
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic,
null,
new Type[] {
},
null
);
MethodInfo createResponse = baseType.GetMethod("CreateResponseVoidAsync", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
MethodInfo method9 = baseType.GetMethod(
"CreateErrorResponse",
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic,
null,
new Type[] {
typeof(Exception)
},
null
);
MethodInfo fromResult = typeof(Task).GetMethod("FromResult").MakeGenericMethod(typeof(HttpResponseMessage));
#endregion
// Setting return type
method.SetReturnType(typeof(Task <HttpResponseMessage>));
// Adding parameters
var methodParams = new List <ParameterWrapper>();
foreach (var parameterInfo in implementationMethod.GetParameters())
{
var @in = parameterInfo.GetCustomAttribute <InAttribute>(true);
if (@in == null)
{
var fromBody = parameterInfo.GetCustomAttribute <FromBodyAttribute>(true);
if (fromBody != null)
{
@in = new InAttribute(InclutionTypes.Body);
}
if (@in == null)
{
var fromUri = parameterInfo.GetCustomAttribute <FromUriAttribute>(true);
if (fromUri != null)
{
@in = new InAttribute(InclutionTypes.Path);
}
}
}
if (@in.InclutionType != InclutionTypes.Header)
{
methodParams.Add(new ParameterWrapper {
Name = parameterInfo.Name, Type = parameterInfo.ParameterType, In = @in?.InclutionType ?? InclutionTypes.Body
});
}
}
var pTypes = methodParams.Select(p => p.Type).ToArray();
method.SetParameters(pTypes.ToArray());
// Parameter id
int pid = 1;
foreach (var parameterWrapper in methodParams)
{
try
{
var p = method.DefineParameter(pid, ParameterAttributes.None, parameterWrapper.Name);
if (parameterWrapper.In == InclutionTypes.Path)
{
p.SetCustomAttribute(new CustomAttributeBuilder(uriAttrib, new Type[] { }));
}
else if (parameterWrapper.In == InclutionTypes.Body)
{
p.SetCustomAttribute(new CustomAttributeBuilder(bodyAttrib, new Type[] { }));
}
pid++;
}
catch (Exception)
{
throw;
}
}
// Adding custom attributes to method
// [RouteAttribute]
method.SetCustomAttribute(
new CustomAttributeBuilder(
route,
new[] {
implementationMethod.GetCustomAttribute <RouteAttribute>().Template
}
)
);
method.SetCustomAttribute(
new CustomAttributeBuilder(
httpGet,
new Type[] { }
)
);
ILGenerator gen = method.GetILGenerator();
// Preparing locals
LocalBuilder parameters = gen.DeclareLocal(typeof(Object[]));
LocalBuilder serviceParameters = gen.DeclareLocal(typeof(ParameterWrapper[]));
LocalBuilder result = gen.DeclareLocal(typeof(Task));
LocalBuilder message = gen.DeclareLocal(typeof(Task <HttpResponseMessage>));
LocalBuilder ex = gen.DeclareLocal(typeof(Exception));
// Preparing labels
// Writing body
gen.Emit(OpCodes.Nop);
gen.BeginExceptionBlock();
gen.Emit(OpCodes.Nop);
var ps = pTypes;
EmitHelpers.EmitInt32(gen, ps.Length);
gen.Emit(OpCodes.Newarr, typeof(object));
for (int j = 0; j < ps.Length; j++)
{
gen.Emit(OpCodes.Dup);
EmitHelpers.EmitInt32(gen, j);
EmitHelpers.EmitLdarg(gen, j + 1);
var paramType = ps[j];
if (paramType.IsValueType)
{
gen.Emit(OpCodes.Box, paramType);
}
gen.Emit(OpCodes.Stelem_Ref);
}
gen.Emit(OpCodes.Stloc_0);
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldstr, implementationMethod.Name);
gen.Emit(OpCodes.Ldloc_0);
gen.Emit(OpCodes.Call, gatherParams);
gen.Emit(OpCodes.Stloc_1);
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldfld, implementation);
int iii = 0;
foreach (var parameterWrapper in methodParams)
{
gen.Emit(OpCodes.Ldloc_1);
EmitHelpers.EmitInt32(gen, iii);
gen.Emit(OpCodes.Ldelem_Ref);
gen.Emit(OpCodes.Callvirt, getValue);
if (parameterWrapper.Type.IsValueType)
{
gen.Emit(OpCodes.Unbox_Any, parameterWrapper.Type);
}
else
{
gen.Emit(OpCodes.Castclass, parameterWrapper.Type);
}
iii++;
}
gen.Emit(OpCodes.Callvirt, implementationMethod);
gen.Emit(OpCodes.Stloc_2);
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldc_I4, 200);
gen.Emit(OpCodes.Ldloc_2);
gen.Emit(OpCodes.Call, createResponse);
gen.Emit(OpCodes.Stloc_3);
gen.BeginCatchBlock(typeof(Exception));
gen.Emit(OpCodes.Stloc_S, 4);
gen.Emit(OpCodes.Nop);
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldloc_S, 4);
gen.Emit(OpCodes.Call, method9);
gen.Emit(OpCodes.Call, fromResult);
gen.Emit(OpCodes.Stloc_3);
gen.EndExceptionBlock();
gen.Emit(OpCodes.Ldloc_3);
gen.Emit(OpCodes.Ret);
// finished
return(method);
}