ui: show annotation in code snippets for TokenLocations that wrap around the snippet

bug id = #12

src/app/qt/element/QtCodeFile.cpp

@@ -36,7 +36,7 @@ const std::string& QtCodeFile::getFileName() const
 }
 
 void QtCodeFile::addCodeSnippet(
-	int startLineNumber,
+	uint startLineNumber,
 	const std::string& code,
 	const TokenLocationFile& locationFile,
 	const std::vector<Id>& activeTokenIds

src/app/qt/element/QtCodeFile.h

@@ -21,7 +21,7 @@ public:
 	const std::string& getFileName() const;
 
 	void addCodeSnippet(
-		int startLineNumber,
+		uint startLineNumber,
 		const std::string& code,
 		const TokenLocationFile& locationFile,
 		const std::vector<Id>& activeTokenIds

src/app/qt/element/QtCodeFileList.cpp

@@ -29,7 +29,7 @@ QtCodeFileList::~QtCodeFileList()
 }
 
 void QtCodeFileList::addCodeSnippet(
-	int startLineNumber,
+	uint startLineNumber,
 	const std::string& code,
 	const TokenLocationFile& locationFile,
 	const std::vector<Id>& activeTokenIds

src/app/qt/element/QtCodeFileList.h

@@ -21,7 +21,7 @@ public:
 	virtual ~QtCodeFileList();
 
 	void addCodeSnippet(
-		int startLineNumber,
+		uint startLineNumber,
 		const std::string& code,
 		const TokenLocationFile& locationFile,
 		const std::vector<Id>& activeTokenIds

src/app/qt/element/QtCodeSnippet.cpp

@@ -35,7 +35,7 @@ void QtCodeSnippet::LineNumberArea::paintEvent(QPaintEvent *event)
 
 
 QtCodeSnippet::QtCodeSnippet(
-	int startLineNumber,
+	uint startLineNumber,
 	const std::string& code,
 	const TokenLocationFile& locationFile,
 	const std::vector<Id>& activeTokenIds,
@@ -133,7 +133,7 @@ void QtCodeSnippet::lineNumberAreaPaintEvent(QPaintEvent *event)
 int QtCodeSnippet::lineNumberDigits() const
 {
 	int digits = 1;
-	int max = qMax(1, m_startLineNumber + blockCount());
+	int max = qMax(1, int(m_startLineNumber) + blockCount());
 
 	while (max >= 10)
 	{
@@ -272,7 +272,7 @@ void QtCodeSnippet::createAnnotations(const TokenLocationFile& locationFile)
 			}
 
 			Annotation annotation;
-			if (location->isStartTokenLocation())
+			if (location->isStartTokenLocation() && location->getLineNumber() >= m_startLineNumber)
 			{
 				annotation.start = toTextEditPosition(location->getLineNumber(), location->getColumnNumber() - 1);
 			}

src/app/qt/element/QtCodeSnippet.h

@@ -36,7 +36,7 @@ public:
 	};
 
 	QtCodeSnippet(
-		int startLineNumber,
+		uint startLineNumber,
 		const std::string& code,
 		const TokenLocationFile& locationFile,
 		const std::vector<Id>& activeTokenIds,
@@ -90,7 +90,7 @@ private:
 	QPushButton* m_maximizeButton;
 	bool m_showMaximizeButton;
 
-	const int m_startLineNumber;
+	const uint m_startLineNumber;
 	const std::string m_filePath;
 	std::vector<Id> m_activeTokenIds;
 

src/lib/component/view/CodeView.h

@@ -14,8 +14,8 @@ public:
 	{
 		CodeSnippetParams();
 
-		int startLineNumber;
-		int endLineNumber;
+		uint startLineNumber;
+		uint endLineNumber;
 		uint lineCount;
 
 		std::string code;

src/lib/data/Storage.cpp

@@ -501,7 +501,9 @@ TokenLocationFile Storage::getTokenLocationsForLinesInFile(
 		return ret;
 	}
 
-	for (uint i = firstLineNumber; i <= lastLineNumber; i++)
+	uint endLineNumber = locationFile->getTokenLocationLines().rbegin()->first;
+
+	for (uint i = firstLineNumber; i <= endLineNumber; i++)
 	{
 		TokenLocationLine* locationLine = locationFile->findTokenLocationLineByNumber(i);
 		if (!locationLine)
@@ -509,12 +511,29 @@ TokenLocationFile Storage::getTokenLocationsForLinesInFile(
 			continue;
 		}
 
-		locationLine->forEachTokenLocation(
-			[&](TokenLocation* tokenLocation) -> void
-			{
-				ret.addTokenLocationAsPlainCopy(tokenLocation);
-			}
-		);
+		if (locationLine->getLineNumber() <= lastLineNumber)
+		{
+			locationLine->forEachTokenLocation(
+				[&](TokenLocation* tokenLocation) -> void
+				{
+					ret.addTokenLocationAsPlainCopy(tokenLocation);
+				}
+			);
+		}
+		else
+		{
+			// Save start locations of TokenLocations that span accross the line range.
+			locationLine->forEachTokenLocation(
+				[&](TokenLocation* tokenLocation) -> void
+				{
+					if (tokenLocation->isEndTokenLocation() &&
+						tokenLocation->getStartTokenLocation()->getLineNumber() < firstLineNumber)
+					{
+						ret.addTokenLocationAsPlainCopy(tokenLocation->getStartTokenLocation());
+					}
+				}
+			);
+		}
 	}
 
 	return ret;