internal static bool IsCompilerGeneratorEnumerator(this MethodDeclaration methodDeclaration, ref Lambda.Method methodBlock)
{
var methodDefinition = methodDeclaration.Annotation <MethodDefinition>();
var candidateNewObj = methodDefinition.Body.Instructions[1];
if (candidateNewObj.OpCode.Equals(OpCodes.Newobj))
{
var memberReference = candidateNewObj.Operand as Mono.Cecil.MethodReference;
if (memberReference != null)
{
var constructorInfo = memberReference.GetActualMethod <ConstructorInfo>();
if (constructorInfo != null && constructorInfo.DeclaringType.IsCompilerGenerated() && IsEnumerator(methodDefinition))
{
Instruction initializer = methodDefinition.Body.Instructions[0];
methodBlock = new Lambda.CompilerGeneratedEnumerator(initializer, candidateNewObj);
return(true);
}
}
}
return(false);
}
public override TResult VisitMethodDeclaration(MethodDeclaration methodDeclaration, object data)
{
Debug.Assert(context.CurrentMethod == null);
try {
context.CurrentMethod = methodDeclaration.Annotation <MethodDef>();
return(base.VisitMethodDeclaration(methodDeclaration, data));
} finally {
context.CurrentMethod = null;
}
}
internal static Type GetReturnType(this MethodDeclaration methodDeclaration)
{
if (methodDeclaration != null)
{
var methodReference = methodDeclaration.Annotation <MethodReference>();
if (methodReference != null)
{
return(methodReference.ReturnType.GetActualType());
}
}
return(TypeSystem.Void);
}
public override AstNode VisitMethodDeclaration(MethodDeclaration methodDeclaration, ICecilArgumentsResolver argumentsResolver)
{
TypeReference returnTypeReference = null;
var methodReference = methodDeclaration.Annotation <MethodReference>();
methodDeclaration.TypeParameters.ForEach(p => p.AcceptVisitor(this, argumentsResolver));
methodDeclaration.Parameters.ForEach(p => p.AcceptVisitor(this, argumentsResolver));
methodDeclaration.Body.AcceptVisitor(this, argumentsResolver);
methodDeclaration.ReturnType.AcceptVisitor(this, argumentsResolver);
if (methodReference.ReturnType.IsGeneric())
{
returnTypeReference = methodDeclaration.ReturnType.Annotation <TypeReference>();
methodReference.ReturnType = returnTypeReference;
}
return(methodDeclaration);
}
public virtual void VisitMethodDeclaration(MethodDeclaration methodDeclaration)
{
StartNode(methodDeclaration);
var builder = methodDeclaration.Annotation<MethodDebugInfoBuilder>();
if (builder != null)
builder.StartPosition = writer.GetLocation();
WriteAttributes(methodDeclaration.Attributes);
WriteModifiers(methodDeclaration.ModifierTokens);
var oldRef = currentMethodReference;
currentMethodReference = new object();
methodDeclaration.ReturnType.AcceptVisitor(this);
Space();
WritePrivateImplementationType(methodDeclaration.PrivateImplementationType);
WriteIdentifier(methodDeclaration.NameToken);
WriteTypeParameters(methodDeclaration.TypeParameters, CodeBracesRangeFlags.AngleBrackets);
Space(policy.SpaceBeforeMethodDeclarationParentheses);
WriteCommaSeparatedListInParenthesis(methodDeclaration.Parameters, policy.SpaceWithinMethodDeclarationParentheses, CodeBracesRangeFlags.Parentheses);
int count = 0;
foreach (Constraint constraint in methodDeclaration.Constraints) {
if (count-- <= 0) {
cancellationToken.ThrowIfCancellationRequested();
count = CANCEL_CHECK_LOOP_COUNT;
}
constraint.AcceptVisitor(this);
}
WriteMethodBody(methodDeclaration.Body);
if (builder != null)
builder.EndPosition = writer.GetLocation();
currentMethodReference = oldRef;
EndNode(methodDeclaration);
}
public override void VisitMethodDeclaration(MethodDeclaration e)
{
base.VisitMethodDeclaration(e);
var md = e.Annotation<MethodDefinition>();
if (md != null)
{
if (!e.PrivateImplementationType.IsNull && md.DeclaringType.IsCompilerGenerated())
{
var convert = true;
if (md.DeclaringType.Interfaces.Count > 1)
{
var trInterface = e.PrivateImplementationType.Annotation<TypeReference>();
var hasSameNameInterfaces = md.DeclaringType.Interfaces.Select(x => x.Resolve()).Where(x => x == null || x.FullName != trInterface.FullName && x.Methods.Any(y => IsSameExceptReturnType(y, md)));
if (hasSameNameInterfaces.Any())
{
if (hasSameNameInterfaces.Any(x => x == null) ||
!trInterface.HasGenericParameters ||
hasSameNameInterfaces.Any(x => x.HasGenericParameters))
{
convert = false;
}
}
}
if (convert)
{
e.PrivateImplementationType = null;
e.Modifiers |= Modifiers.Public;
}
}
if (md.HasOverrides)
{
var omd = md.Overrides.First().Resolve();
if (omd != null)
{
if (omd.IsGetter || omd.IsSetter)
{
// 转换为属性
if (omd.IsGetter) TryConverterMethodToProperty(e, omd);
}
else
{
e.Name = omd.WellName;
}
}
}
}
}
