private static bool DoSignaturesMatch(
PEModule module,
MetadataDecoder metadataDecoder,
ParamInfo <TypeSymbol>[] propertyParams,
PEMethodSymbol getMethod,
ParamInfo <TypeSymbol>[] getMethodParams,
PEMethodSymbol setMethod,
ParamInfo <TypeSymbol>[] setMethodParams)
{
Debug.Assert((getMethodParams == null) == ((object)getMethod == null));
Debug.Assert((setMethodParams == null) == ((object)setMethod == null));
bool hasGetMethod = getMethodParams != null;
bool hasSetMethod = setMethodParams != null;
if (hasGetMethod && !metadataDecoder.DoPropertySignaturesMatch(propertyParams, getMethodParams, comparingToSetter: false, compareParamByRef: true, compareReturnType: true))
{
return(false);
}
if (hasSetMethod && !metadataDecoder.DoPropertySignaturesMatch(propertyParams, setMethodParams, comparingToSetter: true, compareParamByRef: true, compareReturnType: true))
{
return(false);
}
if (hasGetMethod && hasSetMethod)
{
var lastPropertyParamIndex = propertyParams.Length - 1;
var getHandle = getMethodParams[lastPropertyParamIndex].Handle;
var setHandle = setMethodParams[lastPropertyParamIndex].Handle;
var getterHasParamArray = !getHandle.IsNil && module.HasParamsAttribute(getHandle);
var setterHasParamArray = !setHandle.IsNil && module.HasParamsAttribute(setHandle);
if (getterHasParamArray != setterHasParamArray)
{
return(false);
}
if ((getMethod.IsExtern != setMethod.IsExtern) ||
// (getMethod.IsAbstract != setMethod.IsAbstract) || // NOTE: Dev10 accepts one abstract accessor
(getMethod.IsSealed != setMethod.IsSealed) ||
#if !XSHARP
// In XSharp we allow to override just one
(getMethod.IsOverride != setMethod.IsOverride) ||
#endif
(getMethod.IsStatic != setMethod.IsStatic))
{
return(false);
}
}
return(true);
}
private static bool DoSignaturesMatch(
PEModule module,
MetadataDecoder metadataDecoder,
MetadataDecoder.ParamInfo[] propertyParams,
PEMethodSymbol getMethod,
MetadataDecoder.ParamInfo[] getMethodParams,
PEMethodSymbol setMethod,
MetadataDecoder.ParamInfo[] setMethodParams)
{
Debug.Assert((getMethodParams == null) == ((object)getMethod == null));
Debug.Assert((setMethodParams == null) == ((object)setMethod == null));
bool hasGetMethod = getMethodParams != null;
bool hasSetMethod = setMethodParams != null;
if (hasGetMethod && !metadataDecoder.DoPropertySignaturesMatch(propertyParams, getMethodParams, comparingToSetter: false, compareParamByRef: true, compareReturnType: true))
{
return false;
}
if (hasSetMethod && !metadataDecoder.DoPropertySignaturesMatch(propertyParams, setMethodParams, comparingToSetter: true, compareParamByRef: true, compareReturnType: true))
{
return false;
}
if (hasGetMethod && hasSetMethod)
{
var lastPropertyParamIndex = propertyParams.Length - 1;
var getHandle = getMethodParams[lastPropertyParamIndex].Handle;
var setHandle = setMethodParams[lastPropertyParamIndex].Handle;
var getterHasParamArray = !getHandle.IsNil && module.HasParamsAttribute(getHandle);
var setterHasParamArray = !setHandle.IsNil && module.HasParamsAttribute(setHandle);
if (getterHasParamArray != setterHasParamArray)
{
return false;
}
if ((getMethod.IsExtern != setMethod.IsExtern) ||
// (getMethod.IsAbstract != setMethod.IsAbstract) || // NOTE: Dev10 accepts one abstract accessor
(getMethod.IsSealed != setMethod.IsSealed) ||
(getMethod.IsOverride != setMethod.IsOverride) ||
(getMethod.IsStatic != setMethod.IsStatic))
{
return false;
}
}
return true;
}