public void TypeLoaderConsistency(Type t)
{
var signature = TypeSignature.FromType(t);
var ilSpy = cx.GetTypeDef(signature);
Assert.Equal(SymbolFormatter.TypeDefToString(t), SymbolFormatter.TypeDefToString(ilSpy));
Assert.Equal(signature, SymbolLoader.Type(ilSpy));
}
static Expression ExampleCondition(MetadataContext cx)
{
var thread = TypeSignature.FromType(typeof(System.Threading.Thread)).NotGeneric();
var currentThread = cx.GetMemberProperty(thread, "CurrentThread").Getter();
var isBackground = cx.GetMemberProperty(((TypeReference.SpecializedTypeCase)currentThread.ResultType()).Item, "IsBackground").Getter();
var condition = Expression.MethodCall(isBackground, ImmutableArray <Expression> .Empty, Expression.MethodCall(currentThread, ImmutableArray <Expression> .Empty, null));
return(condition);
}
public void LoadCoreMethods()
{
var stringT = TypeSignature.FromType(typeof(string));
var methods = cx.GetMemberMethods(stringT.NotGeneric()).ToArray();
var toUpperInvariantM = methods.Single(s => s.Name() == "ToUpperInvariant");
check.CheckJsonObject(new { toUpperInvariantM });
}
public void LoadReflectionType(Type t)
{
var signature = TypeSignature.FromType(t);
var methods = cx.GetMemberMethodDefs(signature).Where(m => m.Accessibility == Accessibility.APublic).Select(m => m.Name).Distinct().OrderBy(a => a).ToArray();
var reflectionMethods = t.GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static | BindingFlags.DeclaredOnly)
.Where(m => !m.IsSpecialName)
.Select(m => m.Name).Distinct().OrderBy(a => a).ToArray();
Assert.Equal(methods, reflectionMethods);
}
public void AutoProperties()
{
var ns = NamespaceSignature.Parse("MyNamespace");
var t1 = new GenericParameter(Guid.NewGuid(), "T1");
var t2 = new GenericParameter(Guid.NewGuid(), "T2");
var type = TypeSignature.Class("MyType", ns, Accessibility.APublic, true, false, t1, t2);
var td = TypeDef.Empty(type)
.AddAutoProperty("A", t1, Accessibility.APublic)
.AddAutoProperty("B", t2, Accessibility.APublic, isStatic: true)
.AddAutoProperty("C", TypeSignature.FromType(typeof(Dictionary <,>)).Specialize(t1, t2), Accessibility.APublic, isStatic: true, isReadOnly: false)
.AddAutoProperty("D", TypeReference.Tuple(t1, TypeSignature.String, t2), Accessibility.APublic, isReadOnly: false)
;
cx.AddType(td);
check.CheckOutput(cx);
}
public void LoadCoreTypes()
{
var stringT = TypeSignature.FromType(typeof(string));
var dateTimeT = cx.FindTypeDef("System.DateTime");
Assert.False(stringT.CanOverride);
Assert.Empty(stringT.TypeParameters);
Assert.Equal("String", stringT.Name);
Assert.Equal("DateTime", dateTimeT.Name);
Assert.Equal(TypeOrNamespace.NamespaceSignature(NamespaceSignature.System), dateTimeT.Parent);
Assert.Equal(dateTimeT.Parent, stringT.Parent);
var enumerableT = TypeSignature.FromType(typeof(IEnumerable <>));
check.CheckJsonObject(new { stringT, dateTimeT, enumerableT });
}
public void StructInterface()
{
var icloneable = TypeSignature.FromType(typeof(ICloneable));
var method = new MethodSignature(MyStruct, ImmutableArray <MethodParameter> .Empty, "Clone", TypeSignature.Object, false, Accessibility.APublic, false, false, false, false, ImmutableArray <GenericParameter> .Empty);
var thisP = ParameterExpression.CreateThisParam(method);
var methodDef = new MethodDef(method, ImmutableArray.Create(thisP), Expression.ReferenceConversion(thisP, TypeSignature.Object));
cx.AddType(MyStructDef.AddMember(methodDef).AddImplements(new SpecializedType(icloneable, ImmutableArray <TypeReference> .Empty)));
var interfaceClone = cx.GetMemberMethods(icloneable.NotGeneric()).Single(m => m.Signature.Name == "Clone");
var p = ParameterExpression.Create(MyStruct, "p");
cx.AddTestExpr(Expression.MethodCall(method, ImmutableArray <Expression> .Empty, p), p);
cx.AddTestExpr(Expression.MethodCall(interfaceClone, ImmutableArray <Expression> .Empty, Expression.ReferenceConversion(p, icloneable)), p);
check.CheckOutput(cx);
}
public void IEquatableImplementation(bool isStruct, bool isExplicit)
{
var type = isStruct ? TypeSignature.Struct("MyType", ns, Accessibility.APublic)
: TypeSignature.Class("MyType", ns, Accessibility.APublic);
var iequatableT = TypeSignature.FromType(typeof(IEquatable <>)).Specialize(type);
var interfaceMethod = cx.GetMemberMethods(iequatableT, "Equals").Single();
var method = new MethodSignature(type, ImmutableArray.Create(new MethodParameter(type, "obj")), "Equals", TypeReference.FromType(typeof(bool)), false, isExplicit ? Accessibility.APrivate : Accessibility.APublic, false, false, false, false, ImmutableArray <GenericParameter> .Empty);
var methodDef = MethodDef.Create(method, (_thisP, _objP) => new ConstantExpression(true, TypeReference.FromType(typeof(bool))))
.AddImplements(interfaceMethod);
var typeDef = TypeDef.Empty(type).With(
implements: ImmutableArray.Create(iequatableT),
members: ImmutableArray.Create <MemberDef>(methodDef));
cx.AddType(typeDef);
check.CheckOutput(cx, $"{(isStruct ? "struct" : "class")}{(isExplicit ? "-explicit" : "")}");
}
public void GenericClass()
{
var paramT = GenericParameter.Create("T");
var myContainerSgn = TypeSignature.Class(
"MyContainer",
NamespaceSignature.Parse("NS"),
Accessibility.APublic,
genericParameters: new [] { paramT }
);
var(item_field, item_prop) = PropertyBuilders.CreateAutoProperty(
myContainerSgn,
name: "Item",
propertyType: paramT,
isReadOnly: false
);
var listType = TypeSignature.FromType(typeof(List <>))
.Specialize(paramT);
var toListSgn = MethodSignature.Instance(
"ToList",
myContainerSgn,
Accessibility.APublic,
returnType: listType
);
var toListDef = MethodDef.Create(toListSgn, thisParam => {
var resultVar = ParameterExpression.Create(listType, "result");
var listCtor = MethodReference.FromLambda(() => new List <int>())
.Signature
.Specialize(paramT);
var listAdd = MethodReference.FromLambda <List <int> >(l => l.Add(0))
.Signature
.Specialize(paramT);
return(Expression.LetIn(
// result = new List<T>()
resultVar, Expression.NewObject(listCtor),
new [] {
// result.Add(this.Item)
resultVar.Read().CallMethod(listAdd,
thisParam.Read().ReadField(item_field.Signature.SpecializeFromDeclaringType())
)
}.ToBlock(resultVar)
));
});
var copyFromSgn = MethodSignature.Instance(
"CopyFrom",
myContainerSgn,
Accessibility.APublic,
returnType: TypeSignature.Void,
new MethodParameter(
myContainerSgn.SpecializeByItself(),
"other"
)
);
var copyFromDef = MethodDef.Create(copyFromSgn, (thisParam, otherParam) => {
var field = item_field.Signature.SpecializeFromDeclaringType();
return(thisParam.Read().AssignField(
field,
otherParam.Read().ReadField(field)
));
});
var myContainerDef =
TypeDef.Empty(myContainerSgn)
.AddMember(item_field, item_prop, toListDef, copyFromDef);
cx.AddType(myContainerDef);
check.CheckOutput(cx);
}
public void ParameterDefaultValues()
{
var type = TypeSignature.Interface("MyInterface2", ns, Accessibility.APublic);
var method1 = MethodSignature.Instance("StringMethod", type, Accessibility.APublic, TypeSignature.Int32, new MethodParameter(TypeSignature.String, "myParameter").WithDefault("default value"));
var method2 = MethodSignature.Instance("ValueTypeMethod", type, Accessibility.APublic, TypeSignature.Int32, new MethodParameter(TypeSignature.FromType(typeof(Guid)), "myParameter").WithDefault(null));
var typeDef = TypeDef.Empty(type)
.AddMember(MethodDef.InterfaceDef(method1))
.AddMember(MethodDef.InterfaceDef(method2));
cx.AddType(typeDef);
check.CheckOutput(cx);
}