private void ReportErrorsOnFailure()
{
// First and foremost, report if the user specified a name more than once.
if (_pDuplicateSpecifiedName != null)
{
GetErrorContext().Error(ErrorCode.ERR_DuplicateNamedArgument, _pDuplicateSpecifiedName);
return;
}
Debug.Assert(_methList.IsEmpty());
// Report inaccessible.
if (_results.GetInaccessibleResult())
{
// We might have called this, but it is inaccesable...
GetSemanticChecker().ReportAccessError(_results.GetInaccessibleResult(), _pExprBinder.ContextForMemberLookup(), GetTypeQualifier(_pGroup));
return;
}
// Report bogus.
if (_mpwiBogus)
{
// We might have called this, but it is bogus...
GetErrorContext().ErrorRef(ErrorCode.ERR_BindToBogus, _mpwiBogus);
return;
}
bool bUseDelegateErrors = false;
Name nameErr = _pGroup.name;
// Check for an invoke.
if (_pGroup.GetOptionalObject() != null &&
_pGroup.GetOptionalObject().type != null &&
_pGroup.GetOptionalObject().type.isDelegateType() &&
_pGroup.name == GetSymbolLoader().GetNameManager().GetPredefName(PredefinedName.PN_INVOKE))
{
Debug.Assert(!_results.GetBestResult() || _results.GetBestResult().MethProp().getClass().IsDelegate());
Debug.Assert(!_results.GetBestResult() || _results.GetBestResult().GetType().getAggregate().IsDelegate());
bUseDelegateErrors = true;
nameErr = _pGroup.GetOptionalObject().type.getAggregate().name;
}
if (_results.GetBestResult())
{
// If we had some invalid arguments for best matching.
ReportErrorsForBestMatching(bUseDelegateErrors, nameErr);
}
else if (_results.GetUninferrableResult() || _mpwiCantInferInstArg)
{
if (!_results.GetUninferrableResult())
{
//copy the extension method for which instacne argument type inference failed
_results.GetUninferrableResult().Set(_mpwiCantInferInstArg.Sym.AsMethodSymbol(), _mpwiCantInferInstArg.GetType(), _mpwiCantInferInstArg.TypeArgs);
}
Debug.Assert(_results.GetUninferrableResult().Sym.IsMethodSymbol());
MethodSymbol sym = _results.GetUninferrableResult().Meth();
TypeArray pCurrentParameters = sym.Params;
// if we tried to bind to an extensionmethod and the instance argument Type Inference failed then the method does not exist
// on the type at all. this is treated as a lookup error
CType type = null;
if (_pGroup.GetOptionalObject() != null)
{
type = _pGroup.GetOptionalObject().type;
}
else if (_pGroup.GetOptionalLHS() != null)
{
type = _pGroup.GetOptionalLHS().type;
}
MethWithType mwtCantInfer = new MethWithType();
mwtCantInfer.Set(_results.GetUninferrableResult().Meth(), _results.GetUninferrableResult().GetType());
GetErrorContext().Error(ErrorCode.ERR_CantInferMethTypeArgs, mwtCantInfer);
}
else if (_mwtBadArity)
{
int cvar = _mwtBadArity.Meth().typeVars.size;
GetErrorContext().ErrorRef(cvar > 0 ? ErrorCode.ERR_BadArity : ErrorCode.ERR_HasNoTypeVars, _mwtBadArity, new ErrArgSymKind(_mwtBadArity.Meth()), _pArguments.carg);
}
else if (_mpwiParamTypeConstraints)
{
// This will always report an error
TypeBind.CheckMethConstraints(GetSemanticChecker(), GetErrorContext(), new MethWithInst(_mpwiParamTypeConstraints));
}
else if (_pInvalidSpecifiedName != null)
{
// Give a better message for delegate invoke.
if (_pGroup.GetOptionalObject() != null &&
_pGroup.GetOptionalObject().type.IsAggregateType() &&
_pGroup.GetOptionalObject().type.AsAggregateType().GetOwningAggregate().IsDelegate())
{
GetErrorContext().Error(ErrorCode.ERR_BadNamedArgumentForDelegateInvoke, _pGroup.GetOptionalObject().type.AsAggregateType().GetOwningAggregate().name, _pInvalidSpecifiedName);
}
else
{
GetErrorContext().Error(ErrorCode.ERR_BadNamedArgument, _pGroup.name, _pInvalidSpecifiedName);
}
}
else if (_pNameUsedInPositionalArgument != null)
{
GetErrorContext().Error(ErrorCode.ERR_NamedArgumentUsedInPositional, _pNameUsedInPositionalArgument);
}
else
{
CParameterizedError error;
if (_pDelegate != null)
{
GetErrorContext().MakeError(out error, ErrorCode.ERR_MethDelegateMismatch, nameErr, _pDelegate);
GetErrorContext().AddRelatedTypeLoc(error, _pDelegate);
}
else
{
// The number of arguments must be wrong.
if (_fCandidatesUnsupported)
{
GetErrorContext().MakeError(out error, ErrorCode.ERR_BindToBogus, nameErr);
}
else if (bUseDelegateErrors)
{
Debug.Assert(0 == (_pGroup.flags & EXPRFLAG.EXF_CTOR));
GetErrorContext().MakeError(out error, ErrorCode.ERR_BadDelArgCount, nameErr, _pArguments.carg);
}
else
{
if (0 != (_pGroup.flags & EXPRFLAG.EXF_CTOR))
{
Debug.Assert(!_pGroup.GetParentType().IsTypeParameterType());
GetErrorContext().MakeError(out error, ErrorCode.ERR_BadCtorArgCount, _pGroup.GetParentType(), _pArguments.carg);
}
else
{
GetErrorContext().MakeError(out error, ErrorCode.ERR_BadArgCount, nameErr, _pArguments.carg);
}
}
}
// Report possible matches (same name and is accesible). We stored these in m_swtWrongCount.
for (int i = 0; i < _nWrongCount; i++)
{
if (GetSemanticChecker().CheckAccess(
_swtWrongCount[i].Sym,
_swtWrongCount[i].GetType(),
_pExprBinder.ContextForMemberLookup(),
GetTypeQualifier(_pGroup)))
{
GetErrorContext().AddRelatedSymLoc(error, _swtWrongCount[i].Sym);
}
}
GetErrorContext().SubmitError(error);
}
}
protected void PostBindProperty(bool fBaseCall, PropWithType pwt, EXPR pObject, out MethWithType pmwtGet, out MethWithType pmwtSet)
{
pmwtGet = new MethWithType();
pmwtSet = new MethWithType();
// Get the accessors.
if (pwt.Prop().methGet != null)
{
pmwtGet.Set(pwt.Prop().methGet, pwt.GetType());
}
else
{
pmwtGet.Clear();
}
if (pwt.Prop().methSet != null)
{
pmwtSet.Set(pwt.Prop().methSet, pwt.GetType());
}
else
{
pmwtSet.Clear();
}
// If it is virtual, find a remap of the method to something more specific. This
// may alter where the accessors are found.
if (fBaseCall && pObject != null)
{
if (pmwtGet)
{
RemapToOverride(GetSymbolLoader(), pmwtGet, pObject.type);
}
if (pmwtSet)
{
RemapToOverride(GetSymbolLoader(), pmwtSet, pObject.type);
}
}
if (pwt.Prop().RetType != null)
{
checkUnsafe(pwt.Prop().RetType);
}
}