Switch from exceptions to checked error wrappers

CMakeLists.txt

@@ -121,7 +121,7 @@ target_link_libraries(BandageIo PRIVATE Qt6::Gui Qt6::Widgets foonathan::lexy)
 
 # FIXME: Untagle this
 add_library(BandageLib STATIC ${LIB_SOURCES} ${FORMS} graphsearch/graphsearchers.cpp)
-target_link_libraries(BandageLib PRIVATE BandageLayout BandageIo Qt6::Concurrent Qt6::Widgets Qt6::Svg ${bandage_zlib})
+target_link_libraries(BandageLib PRIVATE BandageLayout BandageIo llvmSupport Qt6::Concurrent Qt6::Widgets Qt6::Svg ${bandage_zlib})
 target_include_directories(BandageLib INTERFACE ".")
 
 add_library(BandageCLI STATIC ${CLI_SOURCES})

graph/assemblygraph.cpp

@@ -100,7 +100,7 @@ void AssemblyGraph::cleanUp() {
     m_nodeColors.clear();
     m_nodeLabels.clear();
     m_nodeCSVData.clear();
-    
+
     clearGraphInfo();
 }
 
@@ -377,7 +377,7 @@ bool AssemblyGraph::loadCSV(const QString &filename, QStringList *columns, QStri
 
         QStringList cols = utils::splitCsv(in.readLine(), sep);
         QString nodeName(cols[0]);
-        
+
         std::vector<DeBruijnNode *> nodes;
         // See if this is a path name
         // Match using unique prefix of path name. This allows us to load segmented SPAdes
@@ -501,16 +501,13 @@ QString AssemblyGraph::getNodeNameFromString(QString string) const
 // Returns true if successful, false if not.
 bool AssemblyGraph::loadGraphFromFile(const QString& filename) {
     cleanUp();
-    
+
     auto builder = io::AssemblyGraphBuilder::get(filename);
     if (!builder)
         return false;
-
-    try {
-        builder->build(*this);
-    } catch (...) {
+
+    if (auto E = builder->build(*this))
         return false;
-    }
 
     determineGraphInfo();