public override void BuildMethod()
{
AddStatement.DeclareInterceptedType(field.ContainingType.ResolvedType);
Context.Log.WriteTrace(" Adding: var interceptedField = interceptedType.GetField('{0}');", field.Name.Value);
Context.Block.Statements.Add(
Declare.Variable<FieldInfo>("interceptedField").As(
Call.VirtualMethod("GetField", typeof (string)).ThatReturns<FieldInfo>().WithArguments(
Constant.Of(field.Name.Value)).On("interceptedType"))
);
AddStatement.DeclareArgumentsList();
var funcT = SharpMockTypes.Functions[0];
var funcActualT = new GenericTypeInstanceReference();
funcActualT.GenericType = funcT;
funcActualT.GenericArguments.Add(field.Type);
var accessor = new AnonymousDelegate();
accessor.Type = funcActualT;
accessor.ReturnType = field.Type;
accessor.CallingConvention = CallingConvention.HasThis;
var accessorBody = new BlockStatement();
var returnActualField = new ReturnStatement();
var actualField = new BoundExpression();
actualField.Type = field.Type;
actualField.Definition = field;
returnActualField.Expression = actualField;
accessorBody.Statements.Add(returnActualField);
accessor.Body = accessorBody;
Context.Block.Statements.Add(
Declare.Variable("local_0", funcActualT).As(accessor)
);
AddStatement.DeclareRegistryInterceptor();
AddStatement.DeclareInvocation();
AddStatement.SetArgumentsOnInvocation();
AddStatement.SetOriginalCallOnInvocation();
AddStatement.SetTargetOnInvocationToNull();
Context.Block.Statements.Add(
Do(Call.PropertySetter<MemberInfo>("OriginalCallInfo").WithArguments("interceptedField").On("invocation"))
);
AddStatement.CallShouldInterceptOnInterceptor();
AddStatement.CallInterceptOnInterceptor();
Context.Block.Statements.Add(
Declare.Variable("interceptionResult", field.Type).As(
ChangeType.Convert(Call.PropertyGetter<object>("Return").On("invocation")).To(field.Type))
);
Context.Block.Statements.Add(Return.Variable(Locals["interceptionResult"]));
}
/// <summary>
/// Returns a reference to the closure method. If the method is generic, the reference is to an instantiation,
/// using the generic parameters of the current class as arguments.
/// </summary>
private IMethodReference CreateClosureMethod(AnonymousDelegate anonymousDelegate) {
bool isPeerMethod = this.helperMembers != null && !this.anonymousDelegatesThatCaptureLocalsOrParameters.ContainsKey(anonymousDelegate);
bool isStaticMethod = isPeerMethod && !this.anonymousDelegatesThatCaptureThis.ContainsKey(anonymousDelegate);
var body = new SourceMethodBody(this.host, this.sourceLocationProvider) {
Block = anonymousDelegate.Body,
LocalsAreZeroed = true
};
var counter = isPeerMethod ? this.helperMembers.Count : this.anonymousDelegateCounter++;
var prefix = "<"+this.method.Name.Value;
prefix += isPeerMethod ? ">p__" : ">b__";
var method = new MethodDefinition() {
ContainingTypeDefinition = isPeerMethod ? this.method.ContainingTypeDefinition : this.currentClosureClass,
Name = this.host.NameTable.GetNameFor(prefix+counter),
Visibility = isPeerMethod ? TypeMemberVisibility.Private : TypeMemberVisibility.Public,
Body = body,
CallingConvention = isStaticMethod ? CallingConvention.Default : CallingConvention.HasThis,
InternFactory = this.host.InternFactory,
Parameters = anonymousDelegate.Parameters,
Type = anonymousDelegate.ReturnType,
IsCil = true,
IsStatic = isStaticMethod,
IsHiddenBySignature = true,
};
body.MethodDefinition = method;
if (method.Parameters != null) {
foreach (ParameterDefinition parameterDefinition in method.Parameters)
parameterDefinition.ContainingSignature = method;
}
if (isPeerMethod) {
this.helperMembers.Add(method);
if (this.method.IsGeneric) this.MakeDelegateMethodGeneric(method);
method.Attributes = new List<ICustomAttribute>(1);
method.Attributes.Add(this.compilerGenerated);
} else {
this.currentClosureClass.Methods.Add(method);
this.isInsideAnonymousMethod = true;
this.RewriteChildren(method);
this.isInsideAnonymousMethod = false;
}
IMethodReference methodReference = method;
ITypeReference containingTypeDefinitionInstance = method.ContainingTypeDefinition;
if (isPeerMethod)
containingTypeDefinitionInstance = NamedTypeDefinition.SelfInstance((INamedTypeDefinition)method.ContainingTypeDefinition, this.host.InternFactory);
if ((isPeerMethod && method.ContainingTypeDefinition != containingTypeDefinitionInstance) ||
(!isPeerMethod && this.currentClosureClass != this.currentClosureInstance)) {
methodReference = new MethodReference() {
CallingConvention = method.CallingConvention,
ContainingType = isPeerMethod ? containingTypeDefinitionInstance : this.currentClosureInstance,
GenericParameterCount = method.GenericParameterCount,
InternFactory = this.host.InternFactory,
Name = method.Name,
Parameters = methodReference.ParameterCount == 0 ? null : new List<IParameterTypeInformation>(methodReference.Parameters),
Type = method.Type,
};
}
if (!method.IsGeneric) return methodReference;
return new GenericMethodInstanceReference() {
CallingConvention = method.CallingConvention,
ContainingType = method.ContainingTypeDefinition,
GenericArguments = new List<ITypeReference>(IteratorHelper.GetConversionEnumerable<IGenericMethodParameter, ITypeReference>(method.GenericParameters)),
GenericMethod = methodReference,
InternFactory = this.host.InternFactory,
Name = method.Name,
Parameters = methodReference.ParameterCount == 0 ? null : new List<IParameterTypeInformation>(methodReference.Parameters),
Type = method.Type,
};
}
public override void BuildMethod()
{
AddStatement.DeclareInterceptedType(field.ContainingType.ResolvedType);
Context.Log.WriteTrace(" Adding: var interceptedField = interceptedType.GetField('{0}');", field.Name.Value);
Context.Block.Statements.Add(
Declare.Variable<FieldInfo>("interceptedField").As(
Call.VirtualMethod("GetField", typeof (string)).ThatReturns<FieldInfo>().WithArguments(
Constant.Of(field.Name.Value)).On("interceptedType"))
);
AddStatement.DeclareArgumentsList();
AddStatement.AddArgumentToList(Params["assignedValue"]);
var actionT = SharpMockTypes.Actions[1];
var actionActualT = new GenericTypeInstanceReference();
actionActualT.GenericType = actionT;
actionActualT.GenericArguments.Add(field.Type);
var assignment = new AnonymousDelegate();
assignment.Type = actionActualT;
assignment.ReturnType = Context.Host.PlatformType.SystemVoid;
assignment.CallingConvention = CallingConvention.HasThis;
var parameterDefinition = new ParameterDefinition();
parameterDefinition.Index = 0;
parameterDefinition.Type = field.Type;
parameterDefinition.Name = Context.Host.NameTable.GetNameFor("alteredValue");
parameterDefinition.ContainingSignature = assignment;
assignment.Parameters.Add(parameterDefinition);
var assignmentBody = new BlockStatement();
var assignActualField = new ExpressionStatement();
var actualField = new TargetExpression();
actualField.Type = field.Type;
actualField.Definition = field;
var value = new BoundExpression();
value.Type = field.Type;
value.Definition = parameterDefinition;
var assignValueToField = new Assignment();
assignValueToField.Source = value;
assignValueToField.Target = actualField;
assignValueToField.Type = field.Type;
assignActualField.Expression = assignValueToField;
actualField.Type = field.Type;
actualField.Definition = field;
assignmentBody.Statements.Add(assignActualField);
assignmentBody.Statements.Add(new ReturnStatement());
assignment.Body = assignmentBody;
Context.Block.Statements.Add(
Declare.Variable("local_0", actionActualT).As(assignment)
);
AddStatement.DeclareRegistryInterceptor();
AddStatement.DeclareInvocation();
AddStatement.SetArgumentsOnInvocation();
AddStatement.SetOriginalCallOnInvocation();
AddStatement.SetTargetOnInvocationToNull();
Context.Block.Statements.Add(
Do(Call.PropertySetter<MemberInfo>("OriginalCallInfo").WithArguments("interceptedField").On("invocation"))
);
AddStatement.CallShouldInterceptOnInterceptor();
AddStatement.CallInterceptOnInterceptor();
Context.Block.Statements.Add(Return.Void());
}
/// <summary>
/// Visits the specified anonymous delegate.
/// </summary>
/// <param name="anonymousDelegate">The anonymous delegate.</param>
/// <returns></returns>
protected virtual IExpression DeepCopy(AnonymousDelegate anonymousDelegate)
{
//^ requires this.cache.ContainsKey(anonymousDelegate);
var pars = new List<IParameterDefinition>();
foreach (var p in anonymousDelegate.Parameters) {
var newp = this.DeepCopy(this.GetMutableCopyParamAnonymDeleg(p));
pars.Add(newp);
}
anonymousDelegate.Parameters = pars;
anonymousDelegate.Body = (IBlockStatement)this.Substitute(anonymousDelegate.Body);
anonymousDelegate.ReturnType = this.Substitute(anonymousDelegate.ReturnType);
anonymousDelegate.Type = this.Substitute(anonymousDelegate.Type);
return anonymousDelegate;
}
/// <summary>
/// Visits the specified anonymous method.
/// </summary>
/// <param name="anonymousMethod">The anonymous method.</param>
public override void Visit(IAnonymousDelegate anonymousMethod)
{
AnonymousDelegate mutableAnonymousDelegate = new AnonymousDelegate(anonymousMethod);
this.resultExpression = this.myCodeCopier.DeepCopy(mutableAnonymousDelegate);
}
private IExpression ConvertToAnonymousDelegate(CreateDelegateInstance createDelegateInstance, bool iteratorsHaveNotBeenDecompiled)
{
IMethodDefinition closureMethod = createDelegateInstance.MethodToCallViaDelegate.ResolvedMethod;
if (this.sourceMethodBody.privateHelperMethodsToRemove == null) this.sourceMethodBody.privateHelperMethodsToRemove = new Dictionary<uint, IMethodDefinition>();
IMethodBody closureMethodBody = UnspecializedMethods.GetMethodBodyFromUnspecializedVersion(closureMethod);
AnonymousDelegate anonDel = new AnonymousDelegate();
anonDel.CallingConvention = closureMethod.CallingConvention;
var unspecializedClosureMethod = UnspecializedMethods.UnspecializedMethodDefinition(closureMethod);
this.sourceMethodBody.privateHelperMethodsToRemove[unspecializedClosureMethod.InternedKey] = unspecializedClosureMethod;
anonDel.Parameters = new List<IParameterDefinition>(unspecializedClosureMethod.Parameters);
for (int i = 0, n = anonDel.Parameters.Count; i < n; i++) {
IParameterDefinition closureMethodPar = UnspecializedParameterDefinition(anonDel.Parameters[i]);
ParameterDefinition par = new ParameterDefinition();
this.parameterMap.Add(closureMethodPar, par);
par.Copy(closureMethodPar, this.host.InternFactory);
par.ContainingSignature = anonDel;
anonDel.Parameters[i] = par;
}
var alreadyDecompiledBody = closureMethodBody as SourceMethodBody;
ISourceMethodBody anonDelSourceMethodBody = alreadyDecompiledBody;
if (alreadyDecompiledBody == null) {
var alreadyDecompiledBody2 = closureMethodBody as Microsoft.Cci.MutableCodeModel.SourceMethodBody;
if (alreadyDecompiledBody2 == null) {
var smb = new SourceMethodBody(closureMethodBody, this.sourceMethodBody.host,
this.sourceMethodBody.sourceLocationProvider, this.sourceMethodBody.localScopeProvider, this.sourceMethodBody.options);
anonDelSourceMethodBody = smb;
anonDel.Body = smb.Block;
} else {
anonDel.Body = alreadyDecompiledBody2.Block;
anonDelSourceMethodBody = alreadyDecompiledBody2;
}
} else {
anonDel.Body = alreadyDecompiledBody.Block;
}
anonDel.ReturnValueIsByRef = closureMethod.ReturnValueIsByRef;
if (closureMethod.ReturnValueIsModified)
anonDel.ReturnValueCustomModifiers = new List<ICustomModifier>(closureMethod.ReturnValueCustomModifiers);
anonDel.ReturnType = closureMethod.Type;
anonDel.Type = createDelegateInstance.Type;
if (iteratorsHaveNotBeenDecompiled && unspecializedClosureMethod.ContainingTypeDefinition.IsGeneric &&
unspecializedClosureMethod.ContainingTypeDefinition.GenericParameterCount ==
this.sourceMethodBody.MethodDefinition.ContainingTypeDefinition.GenericParameterCount) {
var mapper = new GenericTypeParameterMapper(this.host, this.sourceMethodBody.MethodDefinition.ContainingTypeDefinition,
unspecializedClosureMethod.ContainingTypeDefinition);
mapper.Rewrite(anonDel);
}
BlockStatement bs = anonDel.Body as BlockStatement;
if (bs != null) {
var savedReferencedLabels = this.referencedLabels;
this.referencedLabels = null;
anonDel.Body = this.RemoveCompilationArtifacts(bs);
this.referencedLabels = savedReferencedLabels;
}
IExpression result = anonDel;
if (this.sourceMethodBody.MethodDefinition.IsGeneric) {
if (unspecializedClosureMethod.IsGeneric)
this.genericParameterMapper = new GenericMethodParameterMapper(this.host, this.sourceMethodBody.MethodDefinition, unspecializedClosureMethod);
// If the closure method was not generic, then its containing type is generic
// and the generic parameter mapper was created when the closure instance creation
// was discovered at the beginning of this visitor.
if (this.genericParameterMapper != null) {
result = this.genericParameterMapper.Visit(result);
foreach (var v in this.capturedBinding.Values) {
// Do NOT visit any of the parameters in the table because that
// will cause them to (possibly) have their types changed. But
// they already have the correct type because they are parameters
// of the enclosing method.
// But the locals are ones that were created by this visitor so
// they need their types updated.
LocalDefinition ld = v.Definition as LocalDefinition;
if (ld != null) {
ld.Type = this.genericParameterMapper.Visit(ld.Type);
ld.MethodDefinition = this.sourceMethodBody.MethodDefinition;
}
}
}
}
return result;
}
public override IExpression Visit(AnonymousDelegate anonymousDelegate)
{
return anonymousDelegate;
}
/// <summary>
/// Rewrites the children of the given anonymous delegate expression.
/// </summary>
/// <param name="anonymousDelegate"></param>
public virtual void RewriteChildren(AnonymousDelegate anonymousDelegate)
{
this.RewriteChildren((Expression)anonymousDelegate);
anonymousDelegate.Parameters = this.Rewrite(anonymousDelegate.Parameters);
anonymousDelegate.Body = this.Rewrite((BlockStatement)anonymousDelegate.Body);
anonymousDelegate.ReturnType = this.Rewrite(anonymousDelegate.ReturnType);
if (anonymousDelegate.ReturnValueIsModified)
anonymousDelegate.ReturnValueCustomModifiers =this.Rewrite(anonymousDelegate.ReturnValueCustomModifiers);
}
/// <summary>
/// Visits the specified anonymous method.
/// </summary>
/// <param name="anonymousMethod">The anonymous method.</param>
public override void Visit(IAnonymousDelegate anonymousMethod)
{
AnonymousDelegate mutableAnonymousDelegate = anonymousMethod as AnonymousDelegate;
if (alwaysMakeACopy || mutableAnonymousDelegate == null) mutableAnonymousDelegate = new AnonymousDelegate(anonymousMethod);
this.resultExpression = this.myCodeMutator.Visit(mutableAnonymousDelegate);
}
/// <summary>
/// Visits the specified anonymous delegate.
/// </summary>
/// <param name="anonymousDelegate">The anonymous delegate.</param>
/// <returns></returns>
public virtual IExpression Visit(AnonymousDelegate anonymousDelegate)
{
this.path.Push(anonymousDelegate);
anonymousDelegate.Parameters = this.Visit(anonymousDelegate.Parameters);
anonymousDelegate.Body = this.Visit(anonymousDelegate.Body);
anonymousDelegate.ReturnType = this.Visit(anonymousDelegate.ReturnType);
anonymousDelegate.Type = this.Visit(anonymousDelegate.Type);
this.path.Pop();
return anonymousDelegate;
}
/// <summary>
/// Visits the specified anonymous delegate.
/// </summary>
/// <param name="anonymousDelegate">The anonymous delegate.</param>
/// <returns></returns>
public virtual IExpression Visit(AnonymousDelegate anonymousDelegate)
{
this.path.Push(anonymousDelegate);
for (int i = 0, n = anonymousDelegate.Parameters.Count; i < n; i++)
anonymousDelegate.Parameters[i] = this.Visit(anonymousDelegate.Parameters[i]);
anonymousDelegate.Body = this.Visit(anonymousDelegate.Body);
anonymousDelegate.ReturnType = this.Visit(anonymousDelegate.ReturnType);
anonymousDelegate.Type = this.Visit(anonymousDelegate.Type);
this.path.Pop();
return anonymousDelegate;
}
