Added fixit for missing interface implementation methods

IDE/src/ui/AutoComplete.bf

@@ -2163,7 +2163,6 @@ namespace IDE.ui
 
 			int dataIdx = 3;
 
-			//for (int32 i = 4; i < parts.Count; i++)
 			while (dataIdx < parts.Count)
 			{
 				int32 lenAdd = 0;
@@ -2188,7 +2187,6 @@ namespace IDE.ui
 				SourceViewPanel sourceViewPanel = IDEApp.sApp.ShowSourceFile(fixitFileName);
 				if (sourceViewPanel != null)
 				{
-					//var targetContent = mTargetEditWidget.Content as SourceEditWidgetContent;
 					var targetSourceEditWidgetContent = mTargetEditWidget.Content as SourceEditWidgetContent;
 					var history = targetSourceEditWidgetContent.RecordHistoryLocation();
 					history.mNoMerge = true;
@@ -2196,9 +2194,13 @@ namespace IDE.ui
 					var editWidgetContent = (SourceEditWidgetContent)sourceViewPanel.mEditWidget.mEditWidgetContent;				
 					editWidgetContent.CursorTextPos = fixitIdx;
 					editWidgetContent.EnsureCursorVisible(true, true);
-					editWidgetContent.PasteText(fixitInsert, fixitInsert.StartsWith("\n"));
 
-					fixitIdx = (int32)editWidgetContent.CursorTextPos + lenAdd;
+					if (fixitInsert.StartsWith('\n'))
+						editWidgetContent.PasteText(fixitInsert, fixitInsert.StartsWith("\n"));
+					else
+						InsertImplText(fixitInsert);
+
+					fixitIdx = (.)editWidgetContent.CursorTextPos;
 				}
 			}
 
@@ -2213,6 +2215,98 @@ namespace IDE.ui
 			}*/
 		}
 
+		void InsertImplText(String implText)
+		{
+
+			var sourceEditWidgetContent = mTargetEditWidget.Content as SourceEditWidgetContent;
+			/*sourceEditWidgetContent.ClearLine();
+			sourceEditWidgetContent.InsertAtCursor("ABC\nDEF\nGHI");
+			return;*/
+
+			String implSect = scope .();
+			
+			int startIdx = 0;
+			for (int i < implText.Length)
+			{
+				char8 c = implText[i];
+				if ((c == '\t') || (c == '\b') || (c == '\r') || (c == '\f'))
+				{
+					implSect.Clear();
+					implSect.Append(implText, startIdx, i - startIdx);
+					if (!implSect.IsEmpty)
+					{
+						sourceEditWidgetContent.InsertAtCursor(implSect);
+					}
+
+					if (c == '\f')
+					{
+						if (!sourceEditWidgetContent.IsLineWhiteSpace(sourceEditWidgetContent.CursorLineAndColumn.mLine))
+						{
+							sourceEditWidgetContent.InsertAtCursor("\n");
+						}
+						if (!sourceEditWidgetContent.IsLineWhiteSpace(sourceEditWidgetContent.CursorLineAndColumn.mLine))
+						{
+							int prevPos = sourceEditWidgetContent.CursorTextPos;
+							sourceEditWidgetContent.InsertAtCursor("\n");
+							sourceEditWidgetContent.CursorTextPos = prevPos;
+						}
+						sourceEditWidgetContent.CursorToLineEnd();
+						/*if (!sourceEditWidgetContent.IsLineWhiteSpace(sourceEditWidgetContent.CursorLineAndColumn.mLine))
+						{
+							sourceEditWidgetContent.InsertText(sourceEditWidgetContent.CursorTextPos + 1, "\n");
+							sourceEditWidgetContent.ContentChanged();
+						}*/
+						//return;
+
+						//sourceEditWidgetContent.GetLineText(sourceEditWidgetContent.CursorLineAndColumn.mLine, )
+						
+						//sourceEditWidgetContent.InsertAtCursor("ABC\n");
+					}
+					else if (c == '\t')
+					{
+						sourceEditWidgetContent.InsertAtCursor("\n");
+						sourceEditWidgetContent.CursorToLineEnd();
+						sourceEditWidgetContent.OpenCodeBlock();
+					}
+					else if (c == '\r')
+					{
+						sourceEditWidgetContent.InsertAtCursor("\n");
+						sourceEditWidgetContent.CursorToLineEnd();
+					}
+					else if (c == '\b')
+					{
+						int cursorPos = sourceEditWidgetContent.CursorTextPos;
+						while (cursorPos < sourceEditWidgetContent.mData.mTextLength)
+						{
+							char8 checkC = sourceEditWidgetContent.mData.mText[cursorPos].mChar;
+							cursorPos++;
+							if (checkC == '}')
+								break;
+						}
+						sourceEditWidgetContent.CursorTextPos = cursorPos;
+					}
+					else
+					{
+						let lc = sourceEditWidgetContent.CursorLineAndColumn;
+						sourceEditWidgetContent.CursorLineAndColumn = .(lc.mLine + 1, 0);
+						sourceEditWidgetContent.CursorToLineEnd();
+						sourceEditWidgetContent.InsertAtCursor("\n");
+						sourceEditWidgetContent.CursorToLineEnd();
+					}
+
+					startIdx = i + 1;
+				}
+			}
+
+			implSect.Clear();
+			implSect.Append(implText, startIdx, implText.Length - startIdx);
+			if (!implSect.IsEmpty)
+			{
+				sourceEditWidgetContent.InsertAtCursor(implSect);
+			}
+		}
+
+
         public void InsertSelection(char32 keyChar, String insertType = null, String insertStr = null)
         {
 			//Debug.WriteLine("InsertSelection");
@@ -2312,53 +2406,7 @@ namespace IDE.ui
                 UpdateAsyncInfo();*/
 
 			if (implText != null)
-            {
+				InsertImplText(implText);
-				String implSect = scope .();
-				
-				int startIdx = 0;
-				for (int i < implText.Length)
-				{
-					char8 c = implText[i];
-					if ((c == '\t') || (c == '\b') || (c == '\r'))
-					{
-						implSect.Clear();
-						implSect.Append(implText, startIdx, i - startIdx);
-						if (!implSect.IsEmpty)
-						{
-							sourceEditWidgetContent.InsertAtCursor(implSect);
-						}
-
-						if (c == '\t')
-						{
-							sourceEditWidgetContent.InsertAtCursor("\n");
-							sourceEditWidgetContent.CursorToLineEnd();
-							sourceEditWidgetContent.OpenCodeBlock();
-						}
-						else if (c == '\r')
-						{
-							sourceEditWidgetContent.InsertAtCursor("\n");
-							sourceEditWidgetContent.CursorToLineEnd();
-						}
-						else
-						{
-							let lc = sourceEditWidgetContent.CursorLineAndColumn;
-							sourceEditWidgetContent.CursorLineAndColumn = .(lc.mLine + 1, 0);
-							sourceEditWidgetContent.CursorToLineEnd();
-							sourceEditWidgetContent.InsertAtCursor("\n");
-							sourceEditWidgetContent.CursorToLineEnd();
-						}
-
-						startIdx = i + 1;
-					}
-				}
-
-				implSect.Clear();
-				implSect.Append(implText, startIdx, implText.Length - startIdx);
-				if (!implSect.IsEmpty)
-				{
-					sourceEditWidgetContent.InsertAtCursor(implSect);
-				}
-            }
 
             if (persistentInvokeSrcPositons != null)
             {

IDE/src/ui/SourceEditWidgetContent.bf

@@ -322,7 +322,6 @@ namespace IDE.ui
 		        if (cmd == "")
 		            continue;
 
-		        //String[] cmdPart = String.StackSplit!(cmd, ' ');                
 				cmdParts.Clear();
 				for (var strView in cmd.Split(' '))
 					cmdParts.Add(strView);

IDEHelper/Compiler/BfAutoComplete.cpp

@@ -1906,6 +1906,176 @@ void BfAutoComplete::CheckNode(BfAstNode* node)
 	}
 }
 
+bool BfAutoComplete::GetMethodInfo(BfMethodInstance* methodInst, StringImpl* showString, StringImpl* insertString, bool isExplicitInterface)
+{
+	auto methodDef = methodInst->mMethodDef;
+	bool isInterface = methodInst->GetOwner()->IsInterface();
+
+	if (methodDef->mMethodType == BfMethodType_Normal)
+	{
+		StringT<128> methodPrefix;
+		StringT<128> methodName;
+		StringT<256> impString;
+		
+		bool isAbstract = (methodDef->mIsAbstract) && (!isInterface);
+
+		if (!isAbstract)
+		{
+			if (isInterface)
+			{
+				if (!methodInst->mReturnType->IsVoid())
+					impString += "return default;";
+			}
+			else
+			{
+				if (!methodInst->mReturnType->IsVoid())
+					impString = "return ";
+
+				impString += "base.";
+				impString += methodDef->mName;
+				impString += "(";
+			}
+		}
+
+		auto methodDeclaration = methodDef->GetMethodDeclaration();
+
+		if (isInterface)
+		{ 
+			if (!isExplicitInterface)
+				methodPrefix += "public ";
+		}		
+		else if (methodDeclaration->mProtectionSpecifier != NULL)
+			methodPrefix += methodDeclaration->mProtectionSpecifier->ToString() + " ";
+		if (!isInterface)
+			methodPrefix += "override ";
+		methodPrefix += mModule->TypeToString(methodInst->mReturnType, BfTypeNameFlag_ReduceName);
+		methodPrefix += " ";
+		if (isExplicitInterface)
+		{
+			methodName += mModule->TypeToString(methodInst->GetOwner(), BfTypeNameFlag_ReduceName);
+			methodName += ".";
+		}
+
+		methodName += methodDef->mName;
+		methodName += "(";
+		for (int paramIdx = 0; paramIdx < (int)methodInst->GetParamCount(); paramIdx++)
+		{
+			if (paramIdx > 0)
+			{
+				methodName += ", ";
+				if ((!isAbstract) && (!isInterface))
+					impString += ", ";
+			}
+			methodName += mModule->TypeToString(methodInst->GetParamType(paramIdx), BfTypeNameFlag_ReduceName);
+			methodName += " ";
+			methodName += methodDef->mParams[paramIdx]->mName;
+
+			if ((!isAbstract) && (!isInterface))
+				impString += methodDef->mParams[paramIdx]->mName;
+		}
+		methodName += ")";
+
+		if ((!isAbstract) && (!isInterface))
+			impString += ");";
+
+		if (showString != NULL)
+			*showString += methodName;		
+		if (insertString != NULL)
+		{
+			if (showString == insertString)
+				*insertString += "\t";
+
+			*insertString += methodPrefix + methodName + "\t" + impString;
+		}
+
+		return true;
+	}
+	else if ((methodDef->mMethodType == BfMethodType_PropertyGetter) || (methodDef->mMethodType == BfMethodType_PropertySetter))
+	{
+		auto propDeclaration = methodDef->GetPropertyDeclaration();
+		bool hasGet = propDeclaration->GetMethod("get") != NULL;
+		bool hasSet = propDeclaration->GetMethod("set") != NULL;
+
+		if ((methodDef->mMethodType == BfMethodType_PropertyGetter) || (!hasGet))
+		{
+			StringT<128> propName;
+			StringT<256> impl;
+
+			propDeclaration->mNameNode->ToString(propName);
+
+			bool isAbstract = methodDef->mIsAbstract;
+
+			if (propDeclaration->mProtectionSpecifier != NULL)
+				impl += propDeclaration->mProtectionSpecifier->ToString() + " ";
+			if (!isInterface)
+				impl += "override ";
+
+			BfType* propType = methodInst->mReturnType;
+			if (methodDef->mMethodType == BfMethodType_PropertySetter)
+				propType = methodInst->GetParamType(0);
+			impl += mModule->TypeToString(propType, BfTypeNameFlag_ReduceName);
+			impl += " ";
+			if (isExplicitInterface)
+			{
+				impl += mModule->TypeToString(methodInst->GetOwner(), BfTypeNameFlag_ReduceName);
+				impl += ".";
+			}
+
+			impl += propName;
+			impl += "\t";
+			if (hasGet)
+			{
+				impl += "get\t";
+				if (!isAbstract)
+				{
+					if (isInterface)
+					{
+						impl += "return default;";
+					}
+					else
+					{
+						impl += "return base.";
+						impl += propName;
+						impl += ";";
+					}
+				}
+				impl += "\b";
+			}
+			if (hasSet)
+			{
+ 				if (hasGet)
+ 					impl += "\r\r";
+
+				impl += "set\t";
+				if (!isAbstract)
+				{
+					if (!isInterface)					
+					{
+						impl += "base.";
+						impl += propName;
+						impl += " = value;";
+					}
+				}
+
+				impl += "\b";
+			}
+
+			if (showString != NULL)
+				*showString += propName;
+			if (insertString != NULL)
+			{
+				if (showString == insertString)
+					*insertString += "\t";
+				*insertString += impl;
+			}			
+
+			return true;
+		}
+	}
+
+	return false;
+}
+
 void BfAutoComplete::AddOverrides(const StringImpl& filter)
 {
 	if (!mIsAutoComplete)
@@ -1941,106 +2111,14 @@ void BfAutoComplete::AddOverrides(const StringImpl& filter)
 			}
 			auto methodInst = methodGroup.mDefault;
 
-			if ((methodDef->mIsVirtual) && (!methodDef->mIsOverride))
+			if ((!methodDef->mIsVirtual) || (methodDef->mIsOverride) || (methodDef->mMethodType != BfMethodType_Normal))
-			{
+				continue;
-				if (methodDef->mMethodType == BfMethodType_Normal)
-				{
-					String methodPrefix;
-					String methodName;
-					String impString;
 			
-					bool isAbstract = methodDef->mIsAbstract;
+			StringT<512> insertString;
-
+			GetMethodInfo(methodInst, &insertString, &insertString, false);
-					if (!isAbstract)
+			if (insertString.IsEmpty())
-					{
+				continue;
-						if (!methodInst->mReturnType->IsVoid())
+			AddEntry(AutoCompleteEntry("override", insertString, NULL), filter);
-							impString = "return ";
-
-						impString += "base.";
-						impString += methodDef->mName;
-						impString += "(";
-					}
-
-					auto methodDeclaration = methodDef->GetMethodDeclaration();
-					if (methodDeclaration->mProtectionSpecifier != NULL)
-						methodPrefix += methodDeclaration->mProtectionSpecifier->ToString() + " ";
-					methodPrefix += "override ";
-					methodPrefix += mModule->TypeToString(methodInst->mReturnType, BfTypeNameFlag_ReduceName);
-					methodPrefix += " ";
-					methodName += methodDef->mName;
-					methodName += "(";
-					for (int paramIdx = 0; paramIdx < (int)methodInst->GetParamCount(); paramIdx++)
-					{
-						if (paramIdx > 0)
-						{
-							methodName += ", ";
-							if (!isAbstract)
-								impString += ", ";
-						}
-						methodName += mModule->TypeToString(methodInst->GetParamType(paramIdx), BfTypeNameFlag_ReduceName);
-						methodName += " ";
-						methodName += methodDef->mParams[paramIdx]->mName;
-
-						if (!isAbstract)
-							impString += methodDef->mParams[paramIdx]->mName;
-					}
-					methodName += ")";
-
-					if (!isAbstract)
-						impString += ");";
-
-					AddEntry(AutoCompleteEntry("override", methodName + "\t" + methodPrefix + methodName + "\t" + impString, NULL), filter);
-				}					
-				else if ((methodDef->mMethodType == BfMethodType_PropertyGetter) || (methodDef->mMethodType == BfMethodType_PropertySetter))
-				{					
-					auto propDeclaration = methodDef->GetPropertyDeclaration();
-					bool hasGet = propDeclaration->GetMethod("get") != NULL;
-					bool hasSet = propDeclaration->GetMethod("set") != NULL;
-
-					if ((methodDef->mMethodType == BfMethodType_PropertyGetter) || (!hasGet))
-					{
-						String propName;
-						String impl;
-
-						propDeclaration->mNameNode->ToString(propName);
-
-						bool isAbstract = methodDef->mIsAbstract;
-
-						if (propDeclaration->mProtectionSpecifier != NULL)
-							impl += propDeclaration->mProtectionSpecifier->ToString() + " ";
-						impl += "override ";
-						impl += mModule->TypeToString(methodInst->mReturnType, BfTypeNameFlag_ReduceName);
-						impl += " ";
-						impl += propName;
-						impl += "\t";
-						if (hasGet)
-						{
-							impl += "get\t";
-							if (!isAbstract)
-							{
-								impl += "return base.";
-								impl += propName;
-								impl += ";";
-							}
-						}
-						if (hasSet)
-						{
-							if (hasGet)
-								impl += "\b\r";
-
-							impl += "set\t";
-							if (!isAbstract)
-							{
-								impl += "base.";
-								impl += propName;
-								impl += " = value;";
-							}
-						}
-
-						AddEntry(AutoCompleteEntry("override", propName + "\t" + impl, NULL), filter);
-					}
-				}				
-			}
 		}
 
 		if (curType->IsStruct())
@@ -2397,6 +2475,127 @@ bool BfAutoComplete::CheckFixit(BfAstNode* node)
 	return true;
 }
 
+void BfAutoComplete::ChcekInterfaceFixit(BfTypeInstance* typeInstance, BfAstNode* node)
+{
+	if (!CheckFixit(node))
+		return;
+	if (typeInstance == NULL)
+		return;	
+
+	for (auto& ifaceTypeInst : typeInstance->mInterfaces)
+	{
+		Array<BfMethodInstance*> missingMethods;
+
+		auto ifaceInst = ifaceTypeInst.mInterfaceType;
+		int startIdx = ifaceTypeInst.mStartInterfaceTableIdx;
+		int iMethodCount = (int)ifaceInst->mMethodInstanceGroups.size();
+		auto declTypeDef = ifaceTypeInst.mDeclaringType;
+
+		for (int iMethodIdx = 0; iMethodIdx < iMethodCount; iMethodIdx++)
+		{
+			auto matchedMethodRef = &typeInstance->mInterfaceMethodTable[iMethodIdx + startIdx].mMethodRef;
+			BfMethodInstance* matchedMethod = *matchedMethodRef;
+			auto ifaceMethodInst = ifaceInst->mMethodInstanceGroups[iMethodIdx].mDefault;
+			if (ifaceMethodInst == NULL)
+				continue;
+
+			// Don't even try to match generics
+			if (!ifaceMethodInst->mMethodDef->mGenericParams.IsEmpty())
+				continue;
+			auto iReturnType = ifaceMethodInst->mReturnType;
+			if (iReturnType->IsSelf())
+				iReturnType = typeInstance;
+
+			if (ifaceMethodInst->mMethodDef->mIsOverride)
+				continue; // Don't consider overrides here
+
+			// If we have "ProjA depends on LibBase", "ProjB depends on LibBase", then a type ClassC in LibBase implementing IFaceD,
+			//  where IFaceD gets extended with MethodE in ProjA, an implementing MethodE is still required to exist on ClassC -- 
+			//  the visibility is bidirectional.  A type ClassF implementing IFaceD inside ProjB will not be required to implement
+			//  MethodE, however
+			if ((!ifaceInst->IsTypeMemberAccessible(ifaceMethodInst->mMethodDef->mDeclaringType, ifaceTypeInst.mDeclaringType)) &&
+				(!ifaceInst->IsTypeMemberAccessible(ifaceTypeInst.mDeclaringType, ifaceMethodInst->mMethodDef->mDeclaringType)))
+				continue;
+
+			if (!ifaceInst->IsTypeMemberIncluded(ifaceMethodInst->mMethodDef->mDeclaringType, ifaceTypeInst.mDeclaringType))
+				continue;
+
+			bool hadMatch = matchedMethod != NULL;
+			bool hadPubFailure = false;
+			bool hadMutFailure = false;
+
+			if (!hadMatch)
+				missingMethods.Add(ifaceMethodInst);
+		}
+
+		if (!missingMethods.IsEmpty())
+		{
+			BfTypeDeclaration* typeDecl = declTypeDef->mTypeDeclaration;			
+			BfTokenNode* openNode = NULL;
+			BfTokenNode* closeNode = NULL;
+			if (auto blockNode = BfNodeDynCast<BfBlock>(typeDecl->mDefineNode))
+			{
+				openNode = blockNode->mOpenBrace;
+				closeNode = blockNode->mCloseBrace;
+			}
+
+			BfParserData* parser = declTypeDef->mTypeDeclaration->GetSourceData()->ToParserData();
+			if ((parser != NULL) && (closeNode != NULL))
+			{				
+				int startPos = openNode->mSrcStart + 1;
+				int insertPos = closeNode->mSrcStart;
+				while (insertPos > startPos)
+				{
+					char prevC = parser->mSrc[insertPos - 1];
+					if (prevC == '\n')
+						break;
+					insertPos--;
+				}
+				if (insertPos > startPos)
+					insertPos--;
+
+				bool wantsBreak = false;
+				String insertStr = "\f";
+				for (auto methodInst : missingMethods)
+				{
+					if (wantsBreak)
+					{
+						insertStr += "\r\r";
+						wantsBreak = false;
+					}
+					if (GetMethodInfo(methodInst, NULL, &insertStr, false))
+					{
+						insertStr += "\b";
+						wantsBreak = true;
+					}
+				}
+
+				wantsBreak = false;
+				String explicitInsertStr = "\f";
+				for (auto methodInst : missingMethods)
+				{
+					if (wantsBreak)
+					{
+						explicitInsertStr += "\r\r";
+						wantsBreak = false;
+					}
+					if (GetMethodInfo(methodInst, NULL, &explicitInsertStr, true))
+					{
+						explicitInsertStr += "\b";
+						wantsBreak = true;
+					}
+				}
+
+
+				mCompiler->mResolvePassData->mAutoComplete->AddEntry(AutoCompleteEntry("fixit", StrFormat("Implement interface '%s'\tusing|%s|%d|%s",
+					mModule->TypeToString(ifaceInst).c_str(), parser->mFileName.c_str(), insertPos, insertStr.c_str()).c_str()));
+				mCompiler->mResolvePassData->mAutoComplete->AddEntry(AutoCompleteEntry("fixit", StrFormat("Implement interface '%s' explicitly\tusing|%s|%d|%s",
+					mModule->TypeToString(ifaceInst).c_str(), parser->mFileName.c_str(), insertPos, explicitInsertStr.c_str()).c_str()));
+			}
+		}		
+	}
+}
+
 void BfAutoComplete::FixitAddMember(BfTypeInstance* typeInst, BfType* fieldType, const StringImpl& fieldName, bool isStatic, BfTypeInstance* referencedFrom)
 {
 	if (typeInst == mModule->mContext->mBfObjectType)

IDEHelper/Compiler/BfAutoComplete.h

@@ -218,6 +218,7 @@ public:
 	void UpdateReplaceData();	
 	void AddTypeInstanceEntry(BfTypeInstance* typeInst);
 	void CheckDocumentation(AutoCompleteEntry* entry, BfCommentNode* documentation);	
+	bool GetMethodInfo(BfMethodInstance* methodInst, StringImpl* methodName, StringImpl* insertString, bool isExplicitInterface);
 
 public:
 	BfAutoComplete(BfResolveType resolveType = BfResolveType_Autocomplete);
@@ -245,6 +246,7 @@ public:
 	void CheckLabel(BfIdentifierNode* identifierNode, BfAstNode* precedingNode = NULL);
 	void CheckEmptyStart(BfAstNode* prevNode, BfType* type);	
 	bool CheckFixit(BfAstNode* node);	
+	void ChcekInterfaceFixit(BfTypeInstance* typeInstance, BfAstNode* node);
 
 	void FixitAddMember(BfTypeInstance* typeInst, BfType* fieldType, const StringImpl& fieldName, bool isStatic, BfTypeInstance* referencedFrom);	
 	

IDEHelper/Compiler/BfCompiler.cpp

@@ -3768,6 +3768,7 @@ void BfCompiler::ProcessAutocompleteTempType()
 			autoComplete->mInsertEndIdx = nameNode->GetSrcEnd();
 		}		
 	}	
+	autoComplete->ChcekInterfaceFixit(typeInst, tempTypeDef->mTypeDeclaration->mNameNode);
 
 	if (tempTypeDef->mTypeCode == BfTypeCode_TypeAlias)
 	{

IDEHelper/Compiler/BfExprEvaluator.cpp

@@ -13982,7 +13982,10 @@ BfTypedValue BfExprEvaluator::GetResult(bool clearResult, bool resolveGenericTyp
 				bool failed = false;
 				for (int paramIdx = 0; paramIdx < (int)mIndexerValues.size(); paramIdx++)
 				{
-					auto val = mModule->Cast(mPropSrc, mIndexerValues[paramIdx].mTypedValue, methodInstance.mMethodInstance->GetParamType(paramIdx));
+					auto refNode = mIndexerValues[paramIdx].mExpression;
+					if (refNode == NULL)
+						refNode = mPropSrc;
+					auto val = mModule->Cast(refNode, mIndexerValues[paramIdx].mTypedValue, methodInstance.mMethodInstance->GetParamType(paramIdx));
 					if (!val)
 						failed = true;
 					else
@@ -14815,7 +14818,10 @@ void BfExprEvaluator::PerformAssignment(BfAssignmentExpression* assignExpr, bool
 	
 			for (int paramIdx = 0; paramIdx < (int)mIndexerValues.size(); paramIdx++)
 			{
-				auto val = mModule->Cast(mPropSrc, mIndexerValues[paramIdx].mTypedValue, methodInstance.mMethodInstance->GetParamType(paramIdx));
+				auto refNode = mIndexerValues[paramIdx].mExpression;
+				if (refNode == NULL)
+					refNode = mPropSrc;
+				auto val = mModule->Cast(refNode, mIndexerValues[paramIdx].mTypedValue, methodInstance.mMethodInstance->GetParamType(paramIdx));
 				if (!val)
 				{
 					mPropDef = NULL;
@@ -14858,7 +14864,6 @@ void BfExprEvaluator::PerformAssignment(BfAssignmentExpression* assignExpr, bool
 	{
 		CheckResultForReading(ptr);
 		BfTypedValue leftValue = ptr;
-		leftValue = mModule->LoadValue(leftValue);
 		
 		auto expectedType = ptr.mType;
 		if ((binaryOp == BfBinaryOp_LeftShift) || (binaryOp == BfBinaryOp_RightShift))
@@ -14907,8 +14912,11 @@ void BfExprEvaluator::PerformAssignment(BfAssignmentExpression* assignExpr, bool
 			}
 
 			if (!handled)
+			{
+				leftValue = mModule->LoadValue(leftValue);
 				PerformBinaryOperation(assignExpr->mLeft, assignExpr->mRight, binaryOp, assignExpr->mOpToken, BfBinOpFlag_ForceLeftType, leftValue, rightValue);
 			}
+		}
 		
 		if (!handled)
 		{
@@ -15969,6 +15977,7 @@ void BfExprEvaluator::Visit(BfIndexerExpression* indexerExpr)
 				argVal = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
 			}
 			BfResolvedArg resolvedArg;
+			resolvedArg.mExpression = expr;
 			resolvedArg.mTypedValue = argVal;
 			mIndexerValues.push_back(resolvedArg);
 		}

IDEHelper/Compiler/BfModuleTypeUtils.cpp

@@ -4068,7 +4068,8 @@ void BfModule::DoTypeInstanceMethodProcessing(BfTypeInstance* typeInstance)
 						}
 						else
 						{							
-							BfError* error = Fail(StrFormat("'%s' does not implement interface member '%s'", TypeToString(typeInstance).c_str(), MethodToString(ifaceMethodInst).c_str()), declTypeDef->mTypeDeclaration->mNameNode, true);
+							BfTypeDeclaration* typeDecl = declTypeDef->mTypeDeclaration;
+							BfError* error = Fail(StrFormat("'%s' does not implement interface member '%s'", TypeToString(typeInstance).c_str(), MethodToString(ifaceMethodInst).c_str()), typeDecl->mNameNode, true);
 							if ((matchedMethod != NULL) && (error != NULL))
 							{
 								if (hadPubFailure)
@@ -6179,8 +6180,6 @@ void BfModule::CheckTypeRefFixit(BfAstNode* typeRef, const char* appendName)
 		std::set<String> fixitNamespaces;
 
 		//TODO: Do proper value for numGenericArgs		
-		
-		//mSystem->FindFixitNamespaces(typeName, -1, typeRef->GetSourceData()->mProject, fixitNamespaces);
 		mSystem->FindFixitNamespaces(typeName, -1, mCompiler->mResolvePassData->mParser->mProject, fixitNamespaces);
 
 		int insertLoc = 0;