private static ExceptionInfo ScanPlatformNotSupported(IMethodDefinition method, int nestingLevel = 0)
{
const int maxNestingLevel = 3;
if (method is Dummy ||
method.IsAbstract ||
method.Attributes.Any(attrb => attrb.FullName().Equals("System.Runtime.CompilerServices.IntrinsicAttribute")))
{
return(ExceptionInfo.DoesNotThrow);
}
// Not all intrisincs are marked with attributes
var docId = method.DocId();
if (docId.StartsWith("M:System.Runtime.Intrinsics") || docId.StartsWith("M:System.ByReference"))
{
return(ExceptionInfo.DoesNotThrow);
}
foreach (var op in GetOperationsPreceedingThrow(method))
{
// throw new PlatformNotSupportedExeption(...)
if (op.OperationCode == OperationCode.Newobj &&
op.Value is IMethodReference m &&
IsPlatformNotSupported(m))
{
return(ExceptionInfo.ThrowsAt(nestingLevel, method.DocId()));
}
// throw SomeFactoryForPlatformNotSupportedExeption(...);
if (op.Value is IMethodReference r &&
IsFactoryForPlatformNotSupported(r))
{
return(ExceptionInfo.ThrowsAt(nestingLevel, method.DocId()));
}
}
var result = ExceptionInfo.DoesNotThrow;
if (nestingLevel < maxNestingLevel)
{
foreach (var calledMethod in GetCalls(method))
{
var nestedResult = ScanPlatformNotSupported(calledMethod.ResolvedMethod, nestingLevel + 1);
result = result.Combine(nestedResult);
}
}
return(result);
}
private static ExceptionInfo ScanPlatformNotSupported(IMethodDefinition method, int nestingLevel = 0)
{
const int maxNestingLevel = 3;
if (method is Dummy || method.IsAbstract)
{
return(ExceptionInfo.DoesNotThrow);
}
foreach (var op in GetOperationsPreceedingThrow(method))
{
// throw new PlatformNotSupportedExeption(...)
if (op.OperationCode == OperationCode.Newobj &&
op.Value is IMethodReference m &&
IsPlatformNotSupported(m))
{
return(ExceptionInfo.ThrowsAt(nestingLevel, method.DocId()));
}
// throw SomeFactoryForPlatformNotSupportedExeption(...);
if (op.Value is IMethodReference r &&
IsFactoryForPlatformNotSupported(r))
{
return(ExceptionInfo.ThrowsAt(nestingLevel, method.DocId()));
}
}
var result = ExceptionInfo.DoesNotThrow;
if (nestingLevel < maxNestingLevel)
{
foreach (var calledMethod in GetCalls(method))
{
var nestedResult = ScanPlatformNotSupported(calledMethod.ResolvedMethod, nestingLevel + 1);
result = result.Combine(nestedResult);
}
}
return(result);
}