Merge pull request #1107 from Ryex/chore/add-compiler-warnings

Introduce more strict compiler warnings and fix them

CMakeLists.txt

@@ -33,6 +33,13 @@ if(MSVC)
     # Use /W4 as /Wall includes unnesserey warnings such as added padding to structs
     set(CMAKE_CXX_FLAGS "/GS /permissive- /W4 ${CMAKE_CXX_FLAGS}")
 
+    # /EHs Enables stack unwind semantics for standard C++ exceptions to ensure stackframes are unwound
+    # and object deconstructors are called when an exception is caught.
+    # without it memory leaks and a warning is printed
+    # /EHc tells the compiler to assume that functions declared as extern "C" never throw a C++ exception
+    # This appears to not always be a defualt compiler option in CMAKE
+    set(CMAKE_CXX_FLAGS "/EHsc ${CMAKE_CXX_FLAGS}")
+
     # LINK accepts /SUBSYSTEM whics sets if we are a WINDOWS (gui) or a CONSOLE programs
     # This implicitly selects an entrypoint specific to the subsystem selected
     # qtmain/QtEntryPointLib provides the correct entrypoint (wWinMain) for gui programs
@@ -88,35 +95,36 @@ set(CMAKE_CXX_FLAGS_RELEASE "-O2 -D_FORTIFY_SOURCE=2 ${CMAKE_CXX_FLAGS_RELEASE}"
 option(DEBUG_ADDRESS_SANITIZER "Enable Address Sanitizer in Debug builds" OFF)
 
 # If this is a Debug build turn on address sanitiser
-if (CMAKE_BUILD_TYPE STREQUAL "Debug" AND DEBUG_ADDRESS_SANITIZER)
+if ((CMAKE_BUILD_TYPE STREQUAL "Debug" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo") AND DEBUG_ADDRESS_SANITIZER)
     message(STATUS "Address Sanitizer enabled for Debug builds, Turn it off with -DDEBUG_ADDRESS_SANITIZER=off")
     if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
         if (CMAKE_CXX_COMPILER_FRONTEND_VARIANT STREQUAL "MSVC")
             # using clang with clang-cl front end 
             message(STATUS "Address Sanitizer available on Clang MSVC frontend")
-            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /fsanitize=address /O1 /Oy-")
-            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /fsanitize=address /O1 /Oy-")
+            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /fsanitize=address /Oy-")
+            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /fsanitize=address /Oy-")
         else()
             # AppleClang and Clang
             message(STATUS "Address Sanitizer available on Clang")
-            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -O1 -fno-omit-frame-pointer")
-            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -O1 -fno-omit-frame-pointer")
+            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fno-omit-frame-pointer")
+            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fno-omit-frame-pointer")
         endif()
     elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
         # GCC
         message(STATUS "Address Sanitizer available on GCC")
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -O1 -fno-omit-frame-pointer")
-        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -O1 -fno-omit-frame-pointer")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fno-omit-frame-pointer")
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fno-omit-frame-pointer")
         link_libraries("asan")
     elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
         message(STATUS "Address Sanitizer available on MSVC")
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /fsanitize=address /O1 /Oy-")
-        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /fsanitize=address /O1 /Oy-")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /fsanitize=address /Oy-")
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /fsanitize=address /Oy-")
     else()
         message(STATUS "Address Sanitizer not available on compiler ${CMAKE_CXX_COMPILER_ID}")
     endif()
 endif()
 
+
 option(ENABLE_LTO "Enable Link Time Optimization" off)
 
 if(ENABLE_LTO)

cmake/CompilerWarnings.cmake

@@ -0,0 +1,152 @@
+# 
+# Function to set compiler warnings with reasonable defaults at the project level.
+# Taken from https://github.com/aminya/project_options/blob/main/src/CompilerWarnings.cmake
+# under the folowing license:
+# 
+# MIT License
+#
+# Copyright (c) 2022-2100 Amin Yahyaabadi
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+
+include_guard()
+
+function(_set_project_warnings_add_target_link_option TARGET OPTIONS)
+  target_link_options(${_project_name} INTERFACE ${OPTIONS})
+endfunction()
+
+# Set the compiler warnings
+#
+# https://clang.llvm.org/docs/DiagnosticsReference.html
+# https://github.com/lefticus/cppbestpractices/blob/master/02-Use_the_Tools_Available.md
+function(
+  set_project_warnings
+  _project_name
+  MSVC_WARNINGS
+  CLANG_WARNINGS
+  GCC_WARNINGS
+)
+  if("${MSVC_WARNINGS}" STREQUAL "")
+    set(MSVC_WARNINGS
+        /W4 # Baseline reasonable warnings
+        /w14242 # 'identifier': conversion from 'type1' to 'type1', possible loss of data
+        /w14254 # 'operator': conversion from 'type1:field_bits' to 'type2:field_bits', possible loss of data
+        /w14263 # 'function': member function does not override any base class virtual member function
+        /w14265 # 'classname': class has virtual functions, but destructor is not virtual instances of this class may not
+                # be destructed correctly
+        /w14287 # 'operator': unsigned/negative constant mismatch
+        /we4289 # nonstandard extension used: 'variable': loop control variable declared in the for-loop is used outside
+                # the for-loop scope
+        /w14296 # 'operator': expression is always 'boolean_value'
+        /w14311 # 'variable': pointer truncation from 'type1' to 'type2'
+        /w14545 # expression before comma evaluates to a function which is missing an argument list
+        /w14546 # function call before comma missing argument list
+        /w14547 # 'operator': operator before comma has no effect; expected operator with side-effect
+        /w14549 # 'operator': operator before comma has no effect; did you intend 'operator'?
+        /w14555 # expression has no effect; expected expression with side- effect
+        /w14619 # pragma warning: there is no warning number 'number'
+        /w14640 # Enable warning on thread un-safe static member initialization
+        /w14826 # Conversion from 'type1' to 'type_2' is sign-extended. This may cause unexpected runtime behavior.
+        /w14905 # wide string literal cast to 'LPSTR'
+        /w14906 # string literal cast to 'LPWSTR'
+        /w14928 # illegal copy-initialization; more than one user-defined conversion has been implicitly applied
+        /permissive- # standards conformance mode for MSVC compiler.
+    )
+  endif()
+
+  if("${CLANG_WARNINGS}" STREQUAL "")
+    set(CLANG_WARNINGS
+        -Wall
+        -Wextra # reasonable and standard
+        -Wextra-semi # Warn about semicolon after in-class function definition.
+        -Wshadow # warn the user if a variable declaration shadows one from a parent context
+        -Wnon-virtual-dtor # warn the user if a class with virtual functions has a non-virtual destructor. This helps
+        # catch hard to track down memory errors
+        -Wold-style-cast # warn for c-style casts
+        -Wcast-align # warn for potential performance problem casts
+        -Wunused # warn on anything being unused
+        -Woverloaded-virtual # warn if you overload (not override) a virtual function
+        -Wpedantic # warn if non-standard C++ is used
+        -Wconversion # warn on type conversions that may lose data
+        -Wsign-conversion # warn on sign conversions
+        -Wnull-dereference # warn if a null dereference is detected
+        -Wdouble-promotion # warn if float is implicit promoted to double
+        -Wformat=2 # warn on security issues around functions that format output (ie printf)
+        -Wimplicit-fallthrough # warn on statements that fallthrough without an explicit annotation
+    )
+  endif()
+
+  if("${GCC_WARNINGS}" STREQUAL "")
+    set(GCC_WARNINGS
+        ${CLANG_WARNINGS}
+        -Wmisleading-indentation # warn if indentation implies blocks where blocks do not exist
+        -Wduplicated-cond # warn if if / else chain has duplicated conditions
+        -Wduplicated-branches # warn if if / else branches have duplicated code
+        -Wlogical-op # warn about logical operations being used where bitwise were probably wanted
+        -Wuseless-cast # warn if you perform a cast to the same type
+    )
+  endif()
+
+  if(MSVC)
+    set(PROJECT_WARNINGS_CXX ${MSVC_WARNINGS})
+  elseif(CMAKE_CXX_COMPILER_ID MATCHES ".*Clang")
+    set(PROJECT_WARNINGS_CXX ${CLANG_WARNINGS})
+  elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+    set(PROJECT_WARNINGS_CXX ${GCC_WARNINGS})
+  else()
+    message(AUTHOR_WARNING "No compiler warnings set for CXX compiler: '${CMAKE_CXX_COMPILER_ID}'")
+    # TODO support Intel compiler
+  endif()
+
+  # Add C warnings
+  set(PROJECT_WARNINGS_C "${PROJECT_WARNINGS_CXX}")
+  list(
+    REMOVE_ITEM
+    PROJECT_WARNINGS_C
+    -Wnon-virtual-dtor
+    -Wold-style-cast
+    -Woverloaded-virtual
+    -Wuseless-cast
+    -Wextra-semi
+  )
+
+  target_compile_options(
+    ${_project_name}
+    INTERFACE # C++ warnings
+              $<$<COMPILE_LANGUAGE:CXX>:${PROJECT_WARNINGS_CXX}>
+              # C warnings
+              $<$<COMPILE_LANGUAGE:C>:${PROJECT_WARNINGS_C}>
+   )
+
+  # If we are using the compiler as a linker driver pass the warnings to it
+  # (most useful when using LTO or warnings as errors)
+  if(CMAKE_CXX_LINK_EXECUTABLE MATCHES "^<CMAKE_CXX_COMPILER>")
+    _set_project_warnings_add_target_link_option(
+      ${_project_name} "$<$<COMPILE_LANGUAGE:CXX>:${PROJECT_WARNINGS_CXX}>"
+    )
+  endif()
+
+  if(CMAKE_C_LINK_EXECUTABLE MATCHES "^<CMAKE_C_COMPILER>")
+    _set_project_warnings_add_target_link_option(
+      ${_project_name} "$<$<COMPILE_LANGUAGE:C>:${PROJECT_WARNINGS_C}>"
+    )
+  endif()
+
+ endfunction()

launcher/BaseInstance.h

@@ -88,7 +88,7 @@ public: /* types */
 
 public:
     /// virtual destructor to make sure the destruction is COMPLETE
-    virtual ~BaseInstance() {};
+    virtual ~BaseInstance() {}
 
     virtual void saveNow() = 0;
 
@@ -154,7 +154,7 @@ public:
     virtual MessageLevel::Enum guessLevel([[maybe_unused]] const QString &line, MessageLevel::Enum level)
     {
         return level;
-    };
+    }
 
     virtual QStringList extraArguments();
 
@@ -291,7 +291,7 @@ public:
 protected:
     void changeStatus(Status newStatus);
 
-    SettingsObjectPtr globalSettings() const { return m_global_settings.lock(); };
+    SettingsObjectPtr globalSettings() const { return m_global_settings.lock(); }
 
     bool isSpecificSettingsLoaded() const { return m_specific_settings_loaded; }
     void setSpecificSettingsLoaded(bool loaded) { m_specific_settings_loaded = loaded; }

launcher/BaseVersion.h

@@ -43,9 +43,8 @@ class BaseVersion {
      * the kind of version this is (Stable, Beta, Snapshot, whatever)
      */
     virtual QString typeString() const = 0;
-
-    virtual bool operator<(BaseVersion& a) { return name() < a.name(); };
-    virtual bool operator>(BaseVersion& a) { return name() > a.name(); };
+    virtual bool operator<(BaseVersion& a) { return name() < a.name(); }
+    virtual bool operator>(BaseVersion& a) { return name() > a.name(); }
 };
 
 Q_DECLARE_METATYPE(BaseVersion::Ptr)

launcher/CMakeLists.txt

@@ -1131,8 +1131,14 @@ if(WIN32)
     set(LAUNCHER_RCS ${CMAKE_CURRENT_BINARY_DIR}/../${Launcher_Branding_WindowsRC})
 endif()
 
+include(CompilerWarnings)
+
 # Add executable
 add_library(Launcher_logic STATIC ${LOGIC_SOURCES} ${LAUNCHER_SOURCES} ${LAUNCHER_UI} ${LAUNCHER_RESOURCES})
+set_project_warnings(Launcher_logic
+    "${Launcher_MSVC_WARNINGS}"
+    "${Launcher_CLANG_WARNINGS}"
+    "${Launcher_GCC_WARNINGS}")
 target_compile_definitions(Launcher_logic PUBLIC LAUNCHER_APPLICATION)
 target_include_directories(Launcher_logic PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
 target_link_libraries(Launcher_logic
@@ -1218,6 +1224,11 @@ install(TARGETS ${Launcher_Name}
 
 if(WIN32)
     add_library(filelink_logic STATIC ${LINKEXE_SOURCES})
+    set_project_warnings(filelink_logic
+    "${Launcher_MSVC_WARNINGS}"
+    "${Launcher_CLANG_WARNINGS}"
+    "${Launcher_GCC_WARNINGS}")
+
     target_include_directories(filelink_logic PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
     target_link_libraries(filelink_logic
         systeminfo

launcher/DesktopServices.cpp

@@ -104,7 +104,7 @@ bool IndirectOpen(T callable, qint64 *pid_forked = nullptr)
 #endif
 
 namespace DesktopServices {
-bool openDirectory(const QString &path, bool ensureExists)
+bool openDirectory(const QString &path, [[maybe_unused]] bool ensureExists)
 {
     qDebug() << "Opening directory" << path;
     QDir parentPath;

launcher/FileSystem.h

@@ -112,8 +112,8 @@ class copy : public QObject {
 
     bool operator()(bool dryRun = false) { return operator()(QString(), dryRun); }
 
-    int totalCopied() { return m_copied; }
-    int totalFailed() { return m_failedPaths.length(); }
+    qsizetype totalCopied() { return m_copied; }
+    qsizetype totalFailed() { return m_failedPaths.length(); }
     QStringList failed() { return m_failedPaths; }
 
    signals:
@@ -130,7 +130,7 @@ class copy : public QObject {
     bool m_whitelist = false;
     QDir m_src;
     QDir m_dst;
-    int m_copied;
+    qsizetype m_copied;
     QStringList m_failedPaths;
 };
 
@@ -475,8 +475,8 @@ class clone : public QObject {
 
     bool operator()(bool dryRun = false) { return operator()(QString(), dryRun); }
 
-    int totalCloned() { return m_cloned; }
-    int totalFailed() { return m_failedClones.length(); }
+    qsizetype totalCloned() { return m_cloned; }
+    qsizetype totalFailed() { return m_failedClones.length(); }
 
     QList<QPair<QString, QString>> failed() { return m_failedClones; }
 
@@ -492,7 +492,7 @@ class clone : public QObject {
     bool m_whitelist = false;
     QDir m_src;
     QDir m_dst;
-    int m_cloned;
+    qsizetype m_cloned;
     QList<QPair<QString, QString>> m_failedClones;
 };
 

launcher/InstanceList.cpp

@@ -41,9 +41,9 @@
 #include <QJsonArray>
 #include <QJsonDocument>
 #include <QMimeData>
+#include <QPair>
 #include <QSet>
 #include <QStack>
-#include <QPair>
 #include <QTextStream>
 #include <QThread>
 #include <QTimer>
@@ -96,7 +96,11 @@ Qt::DropActions InstanceList::supportedDropActions() const
     return Qt::MoveAction;
 }
 
-bool InstanceList::canDropMimeData(const QMimeData* data, Qt::DropAction action, int row, int column, const QModelIndex& parent) const
+bool InstanceList::canDropMimeData(const QMimeData* data,
+                                   [[maybe_unused]] Qt::DropAction action,
+                                   [[maybe_unused]] int row,
+                                   [[maybe_unused]] int column,
+                                   [[maybe_unused]] const QModelIndex& parent) const
 {
     if (data && data->hasFormat("application/x-instanceid")) {
         return true;
@@ -104,7 +108,11 @@ bool InstanceList::canDropMimeData(const QMimeData* data, Qt::DropAction action,
     return false;
 }
 
-bool InstanceList::dropMimeData(const QMimeData* data, Qt::DropAction action, int row, int column, const QModelIndex& parent)
+bool InstanceList::dropMimeData(const QMimeData* data,
+                                [[maybe_unused]] Qt::DropAction action,
+                                [[maybe_unused]] int row,
+                                [[maybe_unused]] int column,
+                                [[maybe_unused]] const QModelIndex& parent)
 {
     if (data && data->hasFormat("application/x-instanceid")) {
         return true;
@@ -129,7 +137,7 @@ QMimeData* InstanceList::mimeData(const QModelIndexList& indexes) const
     return mimeData;
 }
 
-QStringList InstanceList::getLinkedInstancesById(const QString &id) const
+QStringList InstanceList::getLinkedInstancesById(const QString& id) const
 {
     QStringList linkedInstances;
     for (auto inst : m_instances) {
@@ -158,42 +166,34 @@ QVariant InstanceList::data(const QModelIndex& index, int role) const
     if (!index.isValid()) {
         return QVariant();
     }
-    BaseInstance *pdata = static_cast<BaseInstance *>(index.internalPointer());
-    switch (role)
-    {
-    case InstancePointerRole:
-    {
-        QVariant v = QVariant::fromValue((void *)pdata);
-        return v;
-    }
-    case InstanceIDRole:
-    {
-        return pdata->id();
-    }
-    case Qt::EditRole:
-    case Qt::DisplayRole:
-    {
-        return pdata->name();
-    }
-    case Qt::AccessibleTextRole:
-    {
-        return tr("%1 Instance").arg(pdata->name());
-    }
-    case Qt::ToolTipRole:
-    {
-        return pdata->instanceRoot();
-    }
-    case Qt::DecorationRole:
-    {
-        return pdata->iconKey();
-    }
-    // HACK: see InstanceView.h in gui!
-    case GroupRole:
-    {
-        return getInstanceGroup(pdata->id());
-    }
-    default:
-        break;
+    BaseInstance* pdata = static_cast<BaseInstance*>(index.internalPointer());
+    switch (role) {
+        case InstancePointerRole: {
+            QVariant v = QVariant::fromValue((void*)pdata);
+            return v;
+        }
+        case InstanceIDRole: {
+            return pdata->id();
+        }
+        case Qt::EditRole:
+        case Qt::DisplayRole: {
+            return pdata->name();
+        }
+        case Qt::AccessibleTextRole: {
+            return tr("%1 Instance").arg(pdata->name());
+        }
+        case Qt::ToolTipRole: {
+            return pdata->instanceRoot();
+        }
+        case Qt::DecorationRole: {
+            return pdata->iconKey();
+        }
+        // HACK: see InstanceView.h in gui!
+        case GroupRole: {
+            return getInstanceGroup(pdata->id());
+        }
+        default:
+            break;
     }
     return QVariant();
 }
@@ -320,16 +320,18 @@ bool InstanceList::trashInstance(const InstanceId& id)
     }
 
     qDebug() << "Instance" << id << "has been trashed by the launcher.";
-    m_trashHistory.push({id, inst->instanceRoot(), trashedLoc, cachedGroupId});
-    
+    m_trashHistory.push({ id, inst->instanceRoot(), trashedLoc, cachedGroupId });
+
     return true;
 }
 
-bool InstanceList::trashedSomething() {
+bool InstanceList::trashedSomething()
+{
     return !m_trashHistory.empty();
 }
 
-void InstanceList::undoTrashInstance() {
+void InstanceList::undoTrashInstance()
+{
     if (m_trashHistory.empty()) {
         qWarning() << "Nothing to recover from trash.";
         return;
@@ -558,7 +560,7 @@ InstancePtr InstanceList::getInstanceByManagedName(const QString& managed_name)
     return {};
 }
 
-QModelIndex InstanceList::getInstanceIndexById(const QString &id) const
+QModelIndex InstanceList::getInstanceIndexById(const QString& id) const
 {
     return index(getInstIndex(getInstanceById(id).get()));
 }
@@ -597,13 +599,11 @@ InstancePtr InstanceList::loadInstance(const InstanceId& id)
 
     QString inst_type = instanceSettings->get("InstanceType").toString();
 
-    // NOTE: Some PolyMC versions didn't save the InstanceType properly. We will just bank on the probability that this is probably a OneSix instance
-    if (inst_type == "OneSix" || inst_type.isEmpty())
-    {
+    // NOTE: Some PolyMC versions didn't save the InstanceType properly. We will just bank on the probability that this is probably a OneSix
+    // instance
+    if (inst_type == "OneSix" || inst_type.isEmpty()) {
         inst.reset(new MinecraftInstance(m_globalSettings, instanceSettings, instanceRoot));
-    }
-    else
-    {
+    } else {
         inst.reset(new NullInstance(m_globalSettings, instanceSettings, instanceRoot));
     }
     qDebug() << "Loaded instance " << inst->name() << " from " << inst->instanceRoot();
@@ -759,7 +759,7 @@ void InstanceList::instanceDirContentsChanged(const QString& path)
     emit instancesChanged();
 }
 
-void InstanceList::on_InstFolderChanged(const Setting& setting, QVariant value)
+void InstanceList::on_InstFolderChanged( [[maybe_unused]] const Setting& setting, QVariant value)
 {
     QString newInstDir = QDir(value.toString()).canonicalPath();
     if (newInstDir != m_instDir) {
@@ -787,12 +787,17 @@ class InstanceStaging : public Task {
     Q_OBJECT
     const unsigned minBackoff = 1;
     const unsigned maxBackoff = 16;
+
    public:
     InstanceStaging(InstanceList* parent, InstanceTask* child, QString stagingPath, InstanceName const& instanceName, QString groupName)
-        : m_parent(parent), backoff(minBackoff, maxBackoff), m_stagingPath(std::move(stagingPath)), m_instance_name(std::move(instanceName)), m_groupName(std::move(groupName))
+        : m_parent(parent)
+        , backoff(minBackoff, maxBackoff)
+        , m_stagingPath(std::move(stagingPath))
+        , m_instance_name(std::move(instanceName))
+        , m_groupName(std::move(groupName))
     {
         m_child.reset(child);
-        connect(child, &Task::succeeded, this, &InstanceStaging::childSucceded);
+        connect(child, &Task::succeeded, this, &InstanceStaging::childSucceeded);
         connect(child, &Task::failed, this, &InstanceStaging::childFailed);
         connect(child, &Task::aborted, this, &InstanceStaging::childAborted);
         connect(child, &Task::abortStatusChanged, this, &InstanceStaging::setAbortable);
@@ -800,7 +805,7 @@ class InstanceStaging : public Task {
         connect(child, &Task::details, this, &InstanceStaging::setDetails);
         connect(child, &Task::progress, this, &InstanceStaging::setProgress);
         connect(child, &Task::stepProgress, this, &InstanceStaging::propagateStepProgress);
-        connect(&m_backoffTimer, &QTimer::timeout, this, &InstanceStaging::childSucceded);
+        connect(&m_backoffTimer, &QTimer::timeout, this, &InstanceStaging::childSucceeded);
     }
 
     virtual ~InstanceStaging(){};
@@ -815,21 +820,17 @@ class InstanceStaging : public Task {
 
         return Task::abort();
     }
-    bool canAbort() const override
-    {
-        return (m_child && m_child->canAbort());
-    }
+    bool canAbort() const override { return (m_child && m_child->canAbort()); }
 
    protected:
     virtual void executeTask() override { m_child->start(); }
     QStringList warnings() const override { return m_child->warnings(); }
 
    private slots:
-    void childSucceded()
+    void childSucceeded()
     {
         unsigned sleepTime = backoff();
-        if (m_parent->commitStagedInstance(m_stagingPath, m_instance_name, m_groupName, *m_child.get()))
-        {
+        if (m_parent->commitStagedInstance(m_stagingPath, m_instance_name, m_groupName, *m_child.get())) {
             emitSucceeded();
             return;
         }
@@ -847,13 +848,10 @@ class InstanceStaging : public Task {
         emitFailed(reason);
     }
 
-    void childAborted()
-    {
-        emitAborted();
-    }
+    void childAborted() { emitAborted(); }
 
-private:
-    InstanceList * m_parent;
+   private:
+    InstanceList* m_parent;
     /*
      * WHY: the whole reason why this uses an exponential backoff retry scheme is antivirus on Windows.
      * Basically, it starts messing things up while the launcher is extracting/creating instances
@@ -892,7 +890,10 @@ QString InstanceList::getStagedInstancePath()
     return path;
 }
 
-bool InstanceList::commitStagedInstance(const QString& path, InstanceName const& instanceName, const QString& groupName, InstanceTask const& commiting)
+bool InstanceList::commitStagedInstance(const QString& path,
+                                        InstanceName const& instanceName,
+                                        const QString& groupName,
+                                        InstanceTask const& commiting)
 {
     QDir dir;
     QString instID;

launcher/NullInstance.h

@@ -70,7 +70,7 @@ public:
     {
         return nullptr;
     }
-    shared_qobject_ptr< Task > createUpdateTask(Net::Mode mode) override
+    shared_qobject_ptr< Task > createUpdateTask([[maybe_unused]] Net::Mode mode) override
     {
         return nullptr;
     }

launcher/ProblemProvider.h

@@ -1,5 +1,8 @@
 #pragma once
 
+#include <QList>
+#include <QString>
+
 enum class ProblemSeverity
 {
     None,
@@ -16,7 +19,7 @@ struct PatchProblem
 class ProblemProvider
 {
 public:
-    virtual ~ProblemProvider() {};
+    virtual ~ProblemProvider() {}
     virtual const QList<PatchProblem> getProblems() const = 0;
     virtual ProblemSeverity getProblemSeverity() const = 0;
 };

launcher/RecursiveFileSystemWatcher.cpp

@@ -105,7 +105,7 @@ void RecursiveFileSystemWatcher::fileChange(const QString &path)
 {
     emit fileChanged(path);
 }
-void RecursiveFileSystemWatcher::directoryChange(const QString &path)
+void RecursiveFileSystemWatcher::directoryChange([[maybe_unused]] const QString& path)
 {
     setFiles(scanRecursive(m_root));
 }

launcher/Usable.h

@@ -12,28 +12,20 @@ class Usable;
  *
  * @see UseLock
  */
-class Usable
-{
+class Usable {
     friend class UseLock;
-public:
-    std::size_t useCount() const
-    {
-        return m_useCount;
-    }
-    bool isInUse() const
-    {
-        return m_useCount > 0;
-    }
-protected:
-    virtual void decrementUses()
-    {
-        m_useCount--;
-    }
-    virtual void incrementUses()
-    {
-        m_useCount++;
-    }
-private:
+
+   public:
+    virtual ~Usable() {}
+
+    std::size_t useCount() const { return m_useCount; }
+    bool isInUse() const { return m_useCount > 0; }
+
+   protected:
+    virtual void decrementUses() { m_useCount--; }
+    virtual void incrementUses() { m_useCount++; }
+
+   private:
     std::size_t m_useCount = 0;
 };
 

launcher/Version.h

@@ -63,7 +63,7 @@ class Version {
     struct Section {
         explicit Section(QString fullString) : m_fullString(std::move(fullString))
         {
-            int cutoff = m_fullString.size();
+            qsizetype cutoff = m_fullString.size();
             for (int i = 0; i < m_fullString.size(); i++) {
                 if (!m_fullString[i].isDigit()) {
                     cutoff = i;

launcher/VersionProxyModel.cpp

@@ -218,16 +218,12 @@ QVariant VersionProxyModel::data(const QModelIndex &index, int role) const
                 {
                     if(hasRecommended)
                     {
-                        auto value = sourceModel()->data(parentIndex, BaseVersionList::RecommendedRole);
-                        if(value.toBool())
-                        {
+                        auto recommenced = sourceModel()->data(parentIndex, BaseVersionList::RecommendedRole);
+                        if (recommenced.toBool()) {
                             return APPLICATION->getThemedIcon("star");
-                        }
-                        else if(hasLatest)
-                        {
-                            auto value = sourceModel()->data(parentIndex, BaseVersionList::LatestRole);
-                            if(value.toBool())
-                            {
+                        } else if (hasLatest) {
+                            auto latest = sourceModel()->data(parentIndex, BaseVersionList::LatestRole);
+                            if (latest.toBool()) {
                                 return APPLICATION->getThemedIcon("bug");
                             }
                         }
@@ -260,7 +256,7 @@ QVariant VersionProxyModel::data(const QModelIndex &index, int role) const
     }
 }
 
-QModelIndex VersionProxyModel::parent(const QModelIndex &child) const
+QModelIndex VersionProxyModel::parent([[maybe_unused]] const QModelIndex& child) const
 {
     return QModelIndex();
 }
@@ -459,7 +455,9 @@ void VersionProxyModel::sourceRowsAboutToBeInserted(const QModelIndex& parent, i
     beginInsertRows(parent, first, last);
 }
 
-void VersionProxyModel::sourceRowsInserted(const QModelIndex& parent, int first, int last)
+void VersionProxyModel::sourceRowsInserted([[maybe_unused]] const QModelIndex& parent,
+                                           [[maybe_unused]] int first,
+                                           [[maybe_unused]] int last)
 {
     endInsertRows();
 }
@@ -469,7 +467,7 @@ void VersionProxyModel::sourceRowsAboutToBeRemoved(const QModelIndex& parent, in
     beginRemoveRows(parent, first, last);
 }
 
-void VersionProxyModel::sourceRowsRemoved(const QModelIndex& parent, int first, int last)
+void VersionProxyModel::sourceRowsRemoved([[maybe_unused]] const QModelIndex& parent, [[maybe_unused]] int first, [[maybe_unused]] int last)
 {
     endRemoveRows();
 }

launcher/filelink/FileLink.cpp

@@ -230,7 +230,7 @@ void FileLinkApp::readPathPairs()
     in >> numLinks;
     qDebug() << "numLinks" << numLinks;
 
-    for (unsigned int i = 0; i < numLinks; i++) {
+    for (quint32 i = 0; i < numLinks; i++) {
         FS::LinkPair pair;
         in >> pair.src;
         in >> pair.dst;

launcher/java/JavaVersion.h

@@ -14,7 +14,7 @@ class JavaVersion
 {
     friend class JavaVersionTest;
 public:
-    JavaVersion() {};
+    JavaVersion() {}
     JavaVersion(const QString & rhs);
 
     JavaVersion & operator=(const QString & rhs);

launcher/meta/BaseEntity.cpp

@@ -40,7 +40,7 @@ public: /* methods */
     }
     bool write(QByteArray & data) override
     {
-        this->data.append(data);
+        this->m_data.append(data);
         return true;
     }
     bool abort() override
@@ -52,7 +52,7 @@ public: /* methods */
         auto fname = m_entity->localFilename();
         try
         {
-            auto doc = Json::requireDocument(data, fname);
+            auto doc = Json::requireDocument(m_data, fname);
             auto obj = Json::requireObject(doc, fname);
             m_entity->parse(obj);
             return true;
@@ -65,7 +65,7 @@ public: /* methods */
     }
 
 private: /* data */
-    QByteArray data;
+    QByteArray m_data;
     Meta::BaseEntity *m_entity;
 };
 

launcher/minecraft/Component.h

@@ -27,7 +27,8 @@ public:
     Component(PackProfile * parent, std::shared_ptr<Meta::Version> version);
     Component(PackProfile * parent, const QString & uid, std::shared_ptr<VersionFile> file);
 
-    virtual ~Component(){};
+    virtual ~Component(){}
+
     void applyTo(LaunchProfile *profile);
 
     bool isEnabled();

launcher/minecraft/LaunchProfile.h

@@ -42,7 +42,7 @@
 class LaunchProfile: public ProblemProvider
 {
 public:
-    virtual ~LaunchProfile() {};
+    virtual ~LaunchProfile() {}
 
 public: /* application of profile variables from patches */
     void applyMinecraftVersion(const QString& id);

launcher/minecraft/MojangDownloadInfo.h

@@ -23,8 +23,8 @@ struct MojangDownloadInfo
 
 struct MojangLibraryDownloadInfo
 {
-    MojangLibraryDownloadInfo(MojangDownloadInfo::Ptr artifact): artifact(artifact) {};
-    MojangLibraryDownloadInfo() {};
+    MojangLibraryDownloadInfo(MojangDownloadInfo::Ptr artifact_): artifact(artifact_) {}
+    MojangLibraryDownloadInfo() {}
 
     // types
     typedef std::shared_ptr<MojangLibraryDownloadInfo> Ptr;
@@ -57,20 +57,20 @@ struct MojangAssetIndexInfo : public MojangDownloadInfo
     {
     }
 
-    MojangAssetIndexInfo(QString id)
+    MojangAssetIndexInfo(QString id_)
     {
-        this->id = id;
+        this->id = id_;
         // HACK: ignore assets from other version files than Minecraft
         // workaround for stupid assets issue caused by amazon:
         // https://www.theregister.co.uk/2017/02/28/aws_is_awol_as_s3_goes_haywire/
-        if(id == "legacy")
+        if(id_ == "legacy")
         {
             url = "https://piston-meta.mojang.com/mc/assets/legacy/c0fd82e8ce9fbc93119e40d96d5a4e62cfa3f729/legacy.json";
         }
         // HACK
         else
         {
-            url = "https://s3.amazonaws.com/Minecraft.Download/indexes/" + id + ".json";
+            url = "https://s3.amazonaws.com/Minecraft.Download/indexes/" + id_ + ".json";
         }
         known = false;
     }

launcher/minecraft/OneSixVersionFormat.cpp

@@ -413,7 +413,7 @@ QJsonDocument OneSixVersionFormat::versionFileToJson(const VersionFilePtr &patch
 }
 
 LibraryPtr OneSixVersionFormat::plusJarModFromJson(
-    ProblemContainer & problems,
+    [[maybe_unused]] ProblemContainer & problems,
     const QJsonObject &libObj,
     const QString &filename,
     const QString &originalName

launcher/minecraft/PackProfile.cpp

@@ -226,11 +226,11 @@ static bool loadPackProfile(PackProfile * parent, const QString & filename, cons
         auto orderArray = Json::requireArray(obj.value("components"));
         for(auto item: orderArray)
         {
-            auto obj = Json::requireObject(item, "Component must be an object.");
-            container.append(componentFromJsonV1(parent, componentJsonPattern, obj));
+            auto comp_obj = Json::requireObject(item, "Component must be an object.");
+            container.append(componentFromJsonV1(parent, componentJsonPattern, comp_obj));
         }
     }
-    catch (const JSONValidationError &err)
+    catch ([[maybe_unused]] const JSONValidationError &err)
     {
         qCritical() << "Couldn't parse" << componentsFile.fileName() << ": bad file format";
         container.clear();
@@ -415,7 +415,7 @@ void PackProfile::insertComponent(size_t index, ComponentPtr component)
         qWarning() << "Attempt to add a component that is already present!";
         return;
     }
-    beginInsertRows(QModelIndex(), index, index);
+    beginInsertRows(QModelIndex(), static_cast<int>(index), static_cast<int>(index));
     d->components.insert(index, component);
     d->componentIndex[id] = component;
     endInsertRows();
@@ -428,7 +428,7 @@ void PackProfile::componentDataChanged()
     auto objPtr = qobject_cast<Component *>(sender());
     if(!objPtr)
     {
-        qWarning() << "PackProfile got dataChenged signal from a non-Component!";
+        qWarning() << "PackProfile got dataChanged signal from a non-Component!";
         return;
     }
     if(objPtr->getID() == "net.minecraft") {
@@ -446,7 +446,7 @@ void PackProfile::componentDataChanged()
         }
         index++;
     }
-    qWarning() << "PackProfile got dataChenged signal from a Component which does not belong to it!";
+    qWarning() << "PackProfile got dataChanged signal from a Component which does not belong to it!";
 }
 
 bool PackProfile::remove(const int index)
@@ -533,9 +533,9 @@ ComponentPtr PackProfile::getComponent(const QString &id)
     return (*iter);
 }
 
-ComponentPtr PackProfile::getComponent(int index)
+ComponentPtr PackProfile::getComponent(size_t index)
 {
-    if(index < 0 || index >= d->components.size())
+    if(index >= static_cast<size_t>(d->components.size()))
     {
         return nullptr;
     }
@@ -616,7 +616,7 @@ QVariant PackProfile::data(const QModelIndex &index, int role) const
     return QVariant();
 }
 
-bool PackProfile::setData(const QModelIndex& index, const QVariant& value, int role)
+bool PackProfile::setData(const QModelIndex& index, [[maybe_unused]] const QVariant& value, int role)
 {
     if (!index.isValid() || index.row() < 0 || index.row() >= rowCount(index.parent()))
     {

launcher/minecraft/PackProfile.h

@@ -145,7 +145,7 @@ public:
     ComponentPtr getComponent(const QString &id);
 
     /// get the profile component by index
-    ComponentPtr getComponent(int index);
+    ComponentPtr getComponent(size_t index);
 
     /// Add the component to the internal list of patches
     // todo(merged): is this the best approach

launcher/minecraft/ProfileUtils.cpp

@@ -92,7 +92,7 @@ bool readOverrideOrders(QString path, PatchOrder &order)
             order.append(Json::requireString(item));
         }
     }
-    catch (const JSONValidationError &err)
+    catch ([[maybe_unused]] const JSONValidationError &err)
     {
         qCritical() << "Couldn't parse" << orderFile.fileName() << ": bad file format";
         qWarning() << "Ignoring overriden order";

launcher/minecraft/Rule.h

@@ -63,7 +63,7 @@ public:
     Rule(RuleAction result) : m_result(result)
     {
     }
-    virtual ~Rule() {};
+    virtual ~Rule() {}
     virtual QJsonObject toJson() = 0;
     RuleAction apply(const Library *parent, const RuntimeContext & runtimeContext)
     {

launcher/minecraft/World.cpp

@@ -408,13 +408,13 @@ optional<QString> read_string (nbt::value& parent, const char * name)
         auto & tag_str = namedValue.as<nbt::tag_string>();
         return QString::fromStdString(tag_str.get());
     }
-    catch (const std::out_of_range &e)
+    catch ([[maybe_unused]] const std::out_of_range &e)
     {
         // fallback for old world formats
         qWarning() << "String NBT tag" << name << "could not be found.";
         return nullopt;
     }
-    catch (const std::bad_cast &e)
+    catch ([[maybe_unused]] const std::bad_cast &e)
     {
         // type mismatch
         qWarning() << "NBT tag" << name << "could not be converted to string.";
@@ -434,13 +434,13 @@ optional<int64_t> read_long (nbt::value& parent, const char * name)
         auto & tag_str = namedValue.as<nbt::tag_long>();
         return tag_str.get();
     }
-    catch (const std::out_of_range &e)
+    catch ([[maybe_unused]] const std::out_of_range &e)
     {
         // fallback for old world formats
         qWarning() << "Long NBT tag" << name << "could not be found.";
         return nullopt;
     }
-    catch (const std::bad_cast &e)
+    catch ([[maybe_unused]] const std::bad_cast &e)
     {
         // type mismatch
         qWarning() << "NBT tag" << name << "could not be converted to long.";
@@ -460,13 +460,13 @@ optional<int> read_int (nbt::value& parent, const char * name)
         auto & tag_str = namedValue.as<nbt::tag_int>();
         return tag_str.get();
     }
-    catch (const std::out_of_range &e)
+    catch ([[maybe_unused]] const std::out_of_range &e)
     {
         // fallback for old world formats
         qWarning() << "Int NBT tag" << name << "could not be found.";
         return nullopt;
     }
-    catch (const std::bad_cast &e)
+    catch ([[maybe_unused]] const std::bad_cast &e)
     {
         // type mismatch
         qWarning() << "NBT tag" << name << "could not be converted to int.";

launcher/minecraft/WorldList.cpp

@@ -278,7 +278,7 @@ QVariant WorldList::data(const QModelIndex &index, int role) const
     }
 }
 
-QVariant WorldList::headerData(int section, Qt::Orientation orientation, int role) const
+QVariant WorldList::headerData(int section, [[maybe_unused]] Qt::Orientation orientation, int role) const
 {
     switch (role)
     {
@@ -320,7 +320,6 @@ QVariant WorldList::headerData(int section, Qt::Orientation orientation, int rol
     default:
         return QVariant();
     }
-    return QVariant();
 }
 
 QStringList WorldList::mimeTypes() const
@@ -373,7 +372,7 @@ QMimeData *WorldList::mimeData(const QModelIndexList &indexes) const
     if (indexes.size() == 0)
         return new QMimeData();
 
-    QList<World> worlds;
+    QList<World> worlds_;
     for(auto idx : indexes)
     {
         if(idx.column() != 0)
@@ -381,13 +380,13 @@ QMimeData *WorldList::mimeData(const QModelIndexList &indexes) const
         int row = idx.row();
         if (row < 0 || row >= this->worlds.size())
             continue;
-        worlds.append(this->worlds[row]);
+        worlds_.append(this->worlds[row]);
     }
-    if(!worlds.size())
+    if(!worlds_.size())
     {
         return new QMimeData();
     }
-    return new WorldMimeData(worlds);
+    return new WorldMimeData(worlds_);
 }
 
 Qt::ItemFlags WorldList::flags(const QModelIndex &index) const

launcher/minecraft/auth/AccountData.cpp

@@ -310,7 +310,7 @@ bool AccountData::resumeStateFromV2(QJsonObject data) {
         QJsonObject profileObject = profileVal.toObject();
         QString id = profileObject.value("id").toString("");
         QString name = profileObject.value("name").toString("");
-        bool legacy = profileObject.value("legacy").toBool(false);
+        bool legacy_ = profileObject.value("legacy").toBool(false);
         if (id.isEmpty() || name.isEmpty())
         {
             qWarning() << "Unable to load a profile" << name << "because it was missing an ID or a name.";
@@ -319,7 +319,7 @@ bool AccountData::resumeStateFromV2(QJsonObject data) {
         if(id == currentProfile) {
             currentProfileIndex = index;
         }
-        profiles.append({id, name, legacy});
+        profiles.append({id, name, legacy_});
     }
     auto & profile = profiles[currentProfileIndex];
 

launcher/minecraft/auth/AccountList.cpp

@@ -369,7 +369,7 @@ QVariant AccountList::data(const QModelIndex &index, int role) const
     }
 }
 
-QVariant AccountList::headerData(int section, Qt::Orientation orientation, int role) const
+QVariant AccountList::headerData(int section, [[maybe_unused]] Qt::Orientation orientation, int role) const
 {
     switch (role)
     {

launcher/minecraft/auth/Parsers.cpp

@@ -107,16 +107,16 @@ bool parseXTokenResponse(QByteArray & data, Katabasis::Token &output, QString na
         if(!item.isObject()) {
             continue;
         }
-        auto obj = item.toObject();
-        if(obj.contains("uhs")) {
+        auto obj_ = item.toObject();
+        if(obj_.contains("uhs")) {
             foundUHS = true;
         } else {
             continue;
         }
         // consume all 'display claims' ... whatever that means
-        for(auto iter = obj.begin(); iter != obj.end(); iter++) {
+        for(auto iter = obj_.begin(); iter != obj_.end(); iter++) {
             QString claim;
-            if(!getString(obj.value(iter.key()), claim)) {
+            if(!getString(obj_.value(iter.key()), claim)) {
                 qWarning() << "display claim " << iter.key() << " is not a string...";
                 return false;
             }

launcher/minecraft/auth/steps/EntitlementsStep.cpp

@@ -35,9 +35,9 @@ void EntitlementsStep::rehydrate() {
 }
 
 void EntitlementsStep::onRequestDone(
-    QNetworkReply::NetworkError error,
+    [[maybe_unused]] QNetworkReply::NetworkError error,
     QByteArray data,
-    QList<QNetworkReply::RawHeaderPair> headers
+    [[maybe_unused]] QList<QNetworkReply::RawHeaderPair> headers
 ) {
     auto requestor = qobject_cast<AuthRequest *>(QObject::sender());
     requestor->deleteLater();

launcher/minecraft/gameoptions/GameOptions.cpp

@@ -112,12 +112,11 @@ QVariant GameOptions::data(const QModelIndex& index, int role) const
     default:
         return QVariant();
     }
-    return QVariant();
 }
 
 int GameOptions::rowCount(const QModelIndex&) const
 {
-    return contents.size();
+    return static_cast<int>(contents.size());
 }
 
 int GameOptions::columnCount(const QModelIndex&) const

launcher/minecraft/launch/LauncherPartLaunch.cpp

@@ -54,7 +54,7 @@ LauncherPartLaunch::LauncherPartLaunch(LaunchTask *parent) : LaunchStep(parent)
     if (instance->settings()->get("CloseAfterLaunch").toBool())
     {
         std::shared_ptr<QMetaObject::Connection> connection{new QMetaObject::Connection};
-        *connection = connect(&m_process, &LoggedProcess::log, this, [=](QStringList lines, MessageLevel::Enum level) {
+        *connection = connect(&m_process, &LoggedProcess::log, this, [=](QStringList lines, [[maybe_unused]] MessageLevel::Enum level) {
             qDebug() << lines;
             if (lines.filter(QRegularExpression(".*Setting user.+", QRegularExpression::CaseInsensitiveOption)).length() != 0)
             {

launcher/minecraft/mod/Mod.h

@@ -73,7 +73,7 @@ public:
     auto metaurl()     const -> QString;
 
     /** Get the intneral path to the mod's icon file*/
-    QString iconPath() const { return m_local_details.icon_file; };
+    QString iconPath() const { return m_local_details.icon_file; }
     /** Gets the icon of the mod, converted to a QPixmap for drawing, and scaled to size. */
     [[nodiscard]] QPixmap icon(QSize size, Qt::AspectRatioMode mode = Qt::AspectRatioMode::IgnoreAspectRatio) const;
     /** Thread-safe. */

launcher/minecraft/mod/ModDetails.h

@@ -59,17 +59,17 @@ struct ModLicense {
     ModLicense() {}
 
     ModLicense(const QString license) {
-        // FIXME: come up with a better license parseing. 
+        // FIXME: come up with a better license parsing. 
         // handle SPDX identifiers? https://spdx.org/licenses/
         auto parts = license.split(' ');
         QStringList notNameParts  = {};
         for (auto part : parts) {
-            auto url = QUrl(part);
+            auto _url = QUrl(part);
             if (part.startsWith("(") && part.endsWith(")"))
-                url = QUrl(part.mid(1, part.size() - 2));
+                _url = QUrl(part.mid(1, part.size() - 2));
 
-            if (url.isValid() && !url.scheme().isEmpty() && !url.host().isEmpty()) {
-                this->url = url.toString();
+            if (_url.isValid() && !_url.scheme().isEmpty() && !_url.host().isEmpty()) {
+                this->url = _url.toString();
                 notNameParts.append(part);
                 continue;
             }
@@ -89,12 +89,9 @@ struct ModLicense {
         
     }
 
-    ModLicense(const QString name, const QString id, const QString url, const QString description) {
-        this->name = name;
-        this->id = id;
-        this->url = url;
-        this->description = description;
-    }
+    ModLicense(const QString& name_, const QString& id_, const QString& url_, const QString& description_)
+        : name(name_), id(id_), url(url_), description(description_)
+    {}
 
     ModLicense(const ModLicense& other)
         : name(other.name)

launcher/minecraft/mod/ModFolderModel.cpp

@@ -140,7 +140,7 @@ QVariant ModFolderModel::data(const QModelIndex &index, int role) const
     }
 }
 
-QVariant ModFolderModel::headerData(int section, Qt::Orientation orientation, int role) const
+QVariant ModFolderModel::headerData(int section, [[maybe_unused]] Qt::Orientation orientation, int role) const
 {
     switch (role)
     {

launcher/minecraft/mod/ResourceFolderModel.cpp

@@ -447,7 +447,7 @@ QVariant ResourceFolderModel::data(const QModelIndex& index, int role) const
     }
 }
 
-bool ResourceFolderModel::setData(const QModelIndex& index, const QVariant& value, int role)
+bool ResourceFolderModel::setData(const QModelIndex& index, [[maybe_unused]] const QVariant& value, int role)
 {
     int row = index.row();
     if (row < 0 || row >= rowCount(index.parent()) || !index.isValid())
@@ -471,7 +471,7 @@ bool ResourceFolderModel::setData(const QModelIndex& index, const QVariant& valu
     return false;
 }
 
-QVariant ResourceFolderModel::headerData(int section, Qt::Orientation orientation, int role) const
+QVariant ResourceFolderModel::headerData(int section, [[maybe_unused]] Qt::Orientation orientation, int role) const
 {
     switch (role) {
         case Qt::DisplayRole:
@@ -588,7 +588,7 @@ SortType ResourceFolderModel::columnToSortKey(size_t column) const
 }
 
 /* Standard Proxy Model for createFilterProxyModel */
-[[nodiscard]] bool ResourceFolderModel::ProxyModel::filterAcceptsRow(int source_row, const QModelIndex& source_parent) const
+[[nodiscard]] bool ResourceFolderModel::ProxyModel::filterAcceptsRow(int source_row, [[maybe_unused]] const QModelIndex& source_parent) const
 {
     auto* model = qobject_cast<ResourceFolderModel*>(sourceModel());
     if (!model)

launcher/minecraft/mod/ResourceFolderModel.h

@@ -49,8 +49,8 @@ class ResourceFolderModel : public QAbstractListModel {
     bool stopWatching(const QStringList paths);
 
     /* Helper methods for subclasses, using a predetermined list of paths. */
-    virtual bool startWatching() { return startWatching({ m_dir.absolutePath() }); };
-    virtual bool stopWatching() { return stopWatching({ m_dir.absolutePath() }); };
+    virtual bool startWatching() { return startWatching({ m_dir.absolutePath() }); }
+    virtual bool stopWatching() { return stopWatching({ m_dir.absolutePath() }); }
 
     /** Given a path in the system, install that resource, moving it to its place in the
      *  instance file hierarchy.
@@ -78,7 +78,7 @@ class ResourceFolderModel : public QAbstractListModel {
     /** Creates a new parse task, if needed, for 'res' and start it.*/
     virtual void resolveResource(Resource* res);
 
-    [[nodiscard]] size_t size() const { return m_resources.size(); };
+    [[nodiscard]] qsizetype size() const { return m_resources.size(); }
     [[nodiscard]] bool empty() const { return size() == 0; }
     [[nodiscard]] Resource& at(int index) { return *m_resources.at(index); }
     [[nodiscard]] Resource const& at(int index) const { return *m_resources.at(index); }
@@ -97,10 +97,10 @@ class ResourceFolderModel : public QAbstractListModel {
 
     /* Basic columns */
     enum Columns { ACTIVE_COLUMN = 0, NAME_COLUMN, DATE_COLUMN, NUM_COLUMNS };
-    QStringList columnNames(bool translated = true) const { return translated ? m_column_names_translated : m_column_names; };
+    QStringList columnNames(bool translated = true) const { return translated ? m_column_names_translated : m_column_names; }
 
-    [[nodiscard]] int rowCount(const QModelIndex& parent = {}) const override { return parent.isValid() ? 0 : static_cast<int>(size()); }
-    [[nodiscard]] int columnCount(const QModelIndex& parent = {}) const override { return parent.isValid() ? 0 : NUM_COLUMNS; };
+    [[nodiscard]] int rowCount(const QModelIndex& parent = {}) const override { return parent.isValid() ? 0 : size(); }
+    [[nodiscard]] int columnCount(const QModelIndex& parent = {}) const override { return parent.isValid() ? 0 : NUM_COLUMNS; }
 
     [[nodiscard]] Qt::DropActions supportedDropActions() const override;
 
@@ -159,7 +159,7 @@ class ResourceFolderModel : public QAbstractListModel {
      *  This task should load and parse all heavy info needed by a resource, such as parsing a manifest. It gets executed
      *  in the background, so it slowly updates the UI as tasks get done.
      */
-    [[nodiscard]] virtual Task* createParseTask(Resource&) { return nullptr; };
+    [[nodiscard]] virtual Task* createParseTask(Resource&) { return nullptr; }
 
     /** Standard implementation of the model update logic.
      *
@@ -224,15 +224,15 @@ class ResourceFolderModel : public QAbstractListModel {
 
 /* A macro to define useful functions to handle Resource* -> T* more easily on derived classes */
 #define RESOURCE_HELPERS(T)                                                                       \
-    [[nodiscard]] T* operator[](size_t index)                                                     \
+    [[nodiscard]] T* operator[](int index)                                                     \
     {                                                                                             \
         return static_cast<T*>(m_resources[index].get());                                         \
     }                                                                                             \
-    [[nodiscard]] T* at(size_t index)                                                             \
+    [[nodiscard]] T* at(int index)                                                             \
     {                                                                                             \
         return static_cast<T*>(m_resources[index].get());                                         \
     }                                                                                             \
-    [[nodiscard]] const T* at(size_t index) const                                                 \
+    [[nodiscard]] const T* at(int index) const                                                 \
     {                                                                                             \
         return static_cast<const T*>(m_resources.at(index).get());                                \
     }                                                                                             \

launcher/minecraft/mod/ResourcePackFolderModel.cpp

@@ -128,7 +128,7 @@ QVariant ResourcePackFolderModel::data(const QModelIndex& index, int role) const
     }
 }
 
-QVariant ResourcePackFolderModel::headerData(int section, Qt::Orientation orientation, int role) const
+QVariant ResourcePackFolderModel::headerData(int section, [[maybe_unused]] Qt::Orientation orientation, int role) const
 {
     switch (role) {
         case Qt::DisplayRole:
@@ -165,7 +165,6 @@ QVariant ResourcePackFolderModel::headerData(int section, Qt::Orientation orient
         default:
             return {};
     }
-    return {};
 }
 
 int ResourcePackFolderModel::columnCount(const QModelIndex& parent) const

launcher/minecraft/mod/TexturePackFolderModel.cpp

@@ -115,7 +115,7 @@ QVariant TexturePackFolderModel::data(const QModelIndex& index, int role) const
     }
 }
 
-QVariant TexturePackFolderModel::headerData(int section, Qt::Orientation orientation, int role) const
+QVariant TexturePackFolderModel::headerData(int section, [[maybe_unused]] Qt::Orientation orientation, int role) const
 {
     switch (role) {
         case Qt::DisplayRole:

launcher/minecraft/mod/tasks/GetModDependenciesTask.cpp

@@ -61,7 +61,7 @@ GetModDependenciesTask::GetModDependenciesTask(QObject* parent,
         if (auto meta = mod->metadata(); meta)
             m_mods.append(meta);
     prepare();
-};
+}
 
 void GetModDependenciesTask::prepare()
 {
@@ -130,7 +130,7 @@ QList<ModPlatform::Dependency> GetModDependenciesTask::getDependenciesForVersion
         c_dependencies.append(getOverride(ver_dep, providerName));
     }
     return c_dependencies;
-};
+}
 
 Task::Ptr GetModDependenciesTask::getProjectInfoTask(std::shared_ptr<PackDependency> pDep)
 {
@@ -181,7 +181,7 @@ Task::Ptr GetModDependenciesTask::prepareDependencyTask(const ModPlatform::Depen
     ResourceAPI::DependencySearchArgs args = { dep, m_version, m_loaderType };
     ResourceAPI::DependencySearchCallbacks callbacks;
 
-    callbacks.on_succeed = [dep, provider, pDep, level, this](auto& doc, auto& pack) {
+    callbacks.on_succeed = [dep, provider, pDep, level, this](auto& doc, [[maybe_unused]] auto& pack) {
         try {
             QJsonArray arr;
             if (dep.version.length() != 0 && doc.isObject()) {
@@ -215,27 +215,27 @@ Task::Ptr GetModDependenciesTask::prepareDependencyTask(const ModPlatform::Depen
             return;
         }
         if (level == 0) {
-            qWarning() << "Dependency cycle exeeded";
+            qWarning() << "Dependency cycle exceeded";
             return;
         }
         if (dep.addonId.toString().isEmpty() && !pDep->version.addonId.toString().isEmpty()) {
             pDep->pack->addonId = pDep->version.addonId;
-            auto dep = getOverride({ pDep->version.addonId, pDep->dependency.type }, provider.name);
-            if (dep.addonId != pDep->version.addonId) {
+            auto dep_ = getOverride({ pDep->version.addonId, pDep->dependency.type }, provider.name);
+            if (dep_.addonId != pDep->version.addonId) {
                 removePack(pDep->version.addonId);
-                addTask(prepareDependencyTask(dep, provider.name, level));
+                addTask(prepareDependencyTask(dep_, provider.name, level));
             } else
                 addTask(getProjectInfoTask(pDep));
         }
-        for (auto dep : getDependenciesForVersion(pDep->version, provider.name)) {
-            addTask(prepareDependencyTask(dep, provider.name, level - 1));
+        for (auto dep_ : getDependenciesForVersion(pDep->version, provider.name)) {
+            addTask(prepareDependencyTask(dep_, provider.name, level - 1));
         }
     };
 
     auto version = provider.api->getDependencyVersion(std::move(args), std::move(callbacks));
     tasks->addTask(version);
     return tasks;
-};
+}
 
 void GetModDependenciesTask::removePack(const QVariant addonId)
 {

launcher/minecraft/mod/tasks/LocalModParseTask.cpp

@@ -104,14 +104,15 @@ ModDetails ReadMCModTOML(QByteArray contents)
 #if TOML_EXCEPTIONS
     try {
         tomlData = toml::parse(contents.toStdString());
-    } catch (const toml::parse_error& err) {
+    } catch ([[maybe_unused]] const toml::parse_error& err) {
         return {};
     }
 #else
-    tomlData = toml::parse(contents.toStdString());
-    if (!tomlData) {
+    toml::parse_result result = toml::parse(contents.toStdString());
+    if (!result) {
         return {};
     }
+    tomlData = result.table();
 #endif
 
     // array defined by [[mods]]
@@ -151,8 +152,8 @@ ModDetails ReadMCModTOML(QByteArray contents)
     QString authors = "";
     if (auto authorsDatum = tomlData["authors"].as_string()) {
         authors = QString::fromStdString(authorsDatum->get());
-    } else if (auto authorsDatum = (*modsTable)["authors"].as_string()) {
-        authors = QString::fromStdString(authorsDatum->get());
+    } else if (auto authorsDatumMods = (*modsTable)["authors"].as_string()) {
+        authors = QString::fromStdString(authorsDatumMods->get());
     }
     if (!authors.isEmpty()) {
         details.authors.append(authors);
@@ -161,8 +162,8 @@ ModDetails ReadMCModTOML(QByteArray contents)
     QString homeurl = "";
     if (auto homeurlDatum = tomlData["displayURL"].as_string()) {
         homeurl = QString::fromStdString(homeurlDatum->get());
-    } else if (auto homeurlDatum = (*modsTable)["displayURL"].as_string()) {
-        homeurl = QString::fromStdString(homeurlDatum->get());
+    } else if (auto homeurlDatumMods = (*modsTable)["displayURL"].as_string()) {
+        homeurl = QString::fromStdString(homeurlDatumMods->get());
     }
     // fix up url.
     if (!homeurl.isEmpty() && !homeurl.startsWith("http://") && !homeurl.startsWith("https://") && !homeurl.startsWith("ftp://")) {
@@ -173,16 +174,16 @@ ModDetails ReadMCModTOML(QByteArray contents)
     QString issueTrackerURL = "";
     if (auto issueTrackerURLDatum = tomlData["issueTrackerURL"].as_string()) {
         issueTrackerURL = QString::fromStdString(issueTrackerURLDatum->get());
-    } else if (auto issueTrackerURLDatum = (*modsTable)["issueTrackerURL"].as_string()) {
-        issueTrackerURL = QString::fromStdString(issueTrackerURLDatum->get());
+    } else if (auto issueTrackerURLDatumMods = (*modsTable)["issueTrackerURL"].as_string()) {
+        issueTrackerURL = QString::fromStdString(issueTrackerURLDatumMods->get());
     }
     details.issue_tracker = issueTrackerURL;
 
     QString license = "";
     if (auto licenseDatum = tomlData["license"].as_string()) {
         license = QString::fromStdString(licenseDatum->get());
-    } else if (auto licenseDatum =(*modsTable)["license"].as_string()) {
-        license = QString::fromStdString(licenseDatum->get());
+    } else if (auto licenseDatumMods =(*modsTable)["license"].as_string()) {
+        license = QString::fromStdString(licenseDatumMods->get());
     }
     if (!license.isEmpty())
         details.licenses.append(ModLicense(license));
@@ -190,8 +191,8 @@ ModDetails ReadMCModTOML(QByteArray contents)
     QString logoFile = "";
     if (auto logoFileDatum = tomlData["logoFile"].as_string()) {
         logoFile = QString::fromStdString(logoFileDatum->get());
-    } else if (auto logoFileDatum =(*modsTable)["logoFile"].as_string()) {
-        logoFile = QString::fromStdString(logoFileDatum->get());
+    } else if (auto logoFileDatumMods =(*modsTable)["logoFile"].as_string()) {
+        logoFile = QString::fromStdString(logoFileDatumMods->get());
     }
     details.icon_file = logoFile;
 
@@ -458,7 +459,7 @@ bool process(Mod& mod, ProcessingLevel level)
     }
 }
 
-bool processZIP(Mod& mod, ProcessingLevel level)
+bool processZIP(Mod& mod, [[maybe_unused]] ProcessingLevel level)
 {
     ModDetails details;
 
@@ -591,7 +592,7 @@ bool processZIP(Mod& mod, ProcessingLevel level)
     return false;  // no valid mod found in archive
 }
 
-bool processFolder(Mod& mod, ProcessingLevel level)
+bool processFolder(Mod& mod, [[maybe_unused]] ProcessingLevel level)
 {
     ModDetails details;
 
@@ -612,7 +613,7 @@ bool processFolder(Mod& mod, ProcessingLevel level)
     return false;  // no valid mcmod.info file found
 }
 
-bool processLitemod(Mod& mod, ProcessingLevel level)
+bool processLitemod(Mod& mod, [[maybe_unused]] ProcessingLevel level)
 {
     ModDetails details;
 

launcher/minecraft/services/CapeChange.cpp

@@ -45,7 +45,7 @@ CapeChange::CapeChange(QObject *parent, QString token, QString cape)
 {
 }
 
-void CapeChange::setCape(QString& cape) {
+void CapeChange::setCape([[maybe_unused]]  QString& cape) {
     QNetworkRequest request(QUrl("https://api.minecraftservices.com/minecraft/profile/capes/active"));
     auto requestString = QString("{\"capeId\":\"%1\"}").arg(m_capeId);
     request.setRawHeader("Authorization", QString("Bearer %1").arg(m_token).toLocal8Bit());

launcher/modplatform/ModIndex.h

@@ -113,7 +113,7 @@ struct IndexedPack {
     ExtraPackData extraData;
 
     // For internal use, not provided by APIs
-    [[nodiscard]] bool isVersionSelected(size_t index) const
+    [[nodiscard]] bool isVersionSelected(int index) const
     {
         if (!versionsLoaded)
             return false;
@@ -144,9 +144,12 @@ inline auto getOverrideDeps() -> QList<OverrideDep>
 
              { "qvIfYCYJ", "P7dR8mSH", "API", ModPlatform::ResourceProvider::MODRINTH },
              { "lwVhp9o5", "Ha28R6CL", "KotlinLibraries", ModPlatform::ResourceProvider::MODRINTH } };
-};
+
+}
+
 QString getMetaURL(ResourceProvider provider, QVariant projectID);
 
+
 }  // namespace ModPlatform
 
 Q_DECLARE_METATYPE(ModPlatform::IndexedPack)

launcher/modplatform/ResourceAPI.h

@@ -128,28 +128,28 @@ class ResourceAPI {
    public slots:
     [[nodiscard]] virtual Task::Ptr searchProjects(SearchArgs&&, SearchCallbacks&&) const
     {
-        qWarning() << "TODO";
+        qWarning() << "TODO: ResourceAPI::searchProjects";
         return nullptr;
     }
-    [[nodiscard]] virtual Task::Ptr getProject(QString addonId, std::shared_ptr<QByteArray> response) const
+    [[nodiscard]] virtual Task::Ptr getProject([[maybe_unused]] QString addonId, [[maybe_unused]] std::shared_ptr<QByteArray> response) const
     {
-        qWarning() << "TODO";
+        qWarning() << "TODO: ResourceAPI::getProject";
         return nullptr;
     }
-    [[nodiscard]] virtual Task::Ptr getProjects(QStringList addonIds, std::shared_ptr<QByteArray> response) const
+    [[nodiscard]] virtual Task::Ptr getProjects([[maybe_unused]] QStringList addonIds, [[maybe_unused]] std::shared_ptr<QByteArray> response) const
     {
-        qWarning() << "TODO";
+        qWarning() << "TODO: ResourceAPI::getProjects";
         return nullptr;
     }
 
     [[nodiscard]] virtual Task::Ptr getProjectInfo(ProjectInfoArgs&&, ProjectInfoCallbacks&&) const
     {
-        qWarning() << "TODO";
+        qWarning() << "TODO: ResourceAPI::getProjectInfo";
         return nullptr;
     }
     [[nodiscard]] virtual Task::Ptr getProjectVersions(VersionSearchArgs&&, VersionSearchCallbacks&&) const
     {
-        qWarning() << "TODO";
+        qWarning() << "TODO: ResourceAPI::getProjectVersions";
         return nullptr;
     }
 

launcher/modplatform/flame/FileResolvingTask.cpp

@@ -95,7 +95,7 @@ void Flame::FileResolvingTask::netJobFinished()
         auto& out = m_toProcess.files[fileid];
         try {
             out.parseFromObject(Json::requireObject(file));
-        } catch (const JSONValidationError& e) {
+        } catch ([[maybe_unused]] const JSONValidationError& e) {
             qDebug() << "Blocked mod on curseforge" << out.fileName;
             auto hash = out.hash;
             if (!hash.isEmpty()) {

launcher/modplatform/flame/FlameModIndex.cpp

@@ -54,7 +54,7 @@ void FlameMod::loadURLs(ModPlatform::IndexedPack& pack, QJsonObject& obj)
         pack.extraDataLoaded = true;
 }
 
-void FlameMod::loadBody(ModPlatform::IndexedPack& pack, QJsonObject& obj)
+void FlameMod::loadBody(ModPlatform::IndexedPack& pack, [[maybe_unused]] QJsonObject& obj)
 {
     pack.extraData.body = api.getModDescription(pack.addonId.toInt());
 
@@ -75,7 +75,7 @@ static QString enumToString(int hash_algorithm)
 
 void FlameMod::loadIndexedPackVersions(ModPlatform::IndexedPack& pack,
                                        QJsonArray& arr,
-                                       const shared_qobject_ptr<QNetworkAccessManager>& network,
+                                       [[maybe_unused]] const shared_qobject_ptr<QNetworkAccessManager>& network,
                                        const BaseInstance* inst)
 {
     QVector<ModPlatform::IndexedVersion> unsortedVersions;
@@ -193,4 +193,5 @@ ModPlatform::IndexedVersion FlameMod::loadDependencyVersions(const ModPlatform::
     };
     std::sort(versions.begin(), versions.end(), orderSortPredicate);
     return versions.front();
-};
+}
+

launcher/modplatform/helpers/NetworkResourceAPI.cpp

@@ -147,4 +147,5 @@ Task::Ptr NetworkResourceAPI::getDependencyVersion(DependencySearchArgs&& args,
     });
 
     return netJob;
-};
+}
+

launcher/modplatform/modrinth/ModrinthPackExportTask.cpp

@@ -174,10 +174,10 @@ void ModrinthPackExportTask::parseApiResponse(const std::shared_ptr<QByteArray>
             if (obj.isEmpty())
                 continue;
 
-            const QJsonArray files = obj["files"].toArray();
-            if (auto fileIter = std::find_if(files.begin(), files.end(),
+            const QJsonArray files_array = obj["files"].toArray();
+            if (auto fileIter = std::find_if(files_array.begin(), files_array.end(),
                                              [&iterator](const QJsonValue& file) { return file["hashes"]["sha512"] == iterator.value(); });
-                fileIter != files.end()) {
+                fileIter != files_array.end()) {
                 // map the file to the url
                 resolvedFiles[iterator.key()] =
                     ResolvedFile{ fileIter->toObject()["hashes"].toObject()["sha1"].toString(), iterator.value(),
@@ -260,6 +260,7 @@ QByteArray ModrinthPackExportTask::generateIndex()
         out["dependencies"] = dependencies;
     }
 
+
     QJsonArray filesOut;
     for (auto iterator = resolvedFiles.constBegin(); iterator != resolvedFiles.constEnd(); iterator++) {
         QJsonObject fileOut;
@@ -287,6 +288,7 @@ QByteArray ModrinthPackExportTask::generateIndex()
         hashes["sha512"] = value.sha512;
         fileOut["hashes"] = hashes;
 
+
         fileOut["fileSize"] = value.size;
         filesOut << fileOut;
     }

launcher/modplatform/modrinth/ModrinthPackIndex.cpp

@@ -95,7 +95,7 @@ void Modrinth::loadExtraPackData(ModPlatform::IndexedPack& pack, QJsonObject& ob
 
 void Modrinth::loadIndexedPackVersions(ModPlatform::IndexedPack& pack,
                                        QJsonArray& arr,
-                                       const shared_qobject_ptr<QNetworkAccessManager>& network,
+                                       [[maybe_unused]] const shared_qobject_ptr<QNetworkAccessManager>& network,
                                        const BaseInstance* inst)
 {
     QVector<ModPlatform::IndexedVersion> unsortedVersions;
@@ -218,7 +218,7 @@ auto Modrinth::loadIndexedPackVersion(QJsonObject& obj, QString preferred_hash_t
     return {};
 }
 
-auto Modrinth::loadDependencyVersions(const ModPlatform::Dependency& m, QJsonArray& arr) -> ModPlatform::IndexedVersion
+auto Modrinth::loadDependencyVersions([[maybe_unused]] const ModPlatform::Dependency& m, QJsonArray& arr) -> ModPlatform::IndexedVersion
 {
     QVector<ModPlatform::IndexedVersion> versions;
 
@@ -235,4 +235,4 @@ auto Modrinth::loadDependencyVersions(const ModPlatform::Dependency& m, QJsonArr
     };
     std::sort(versions.begin(), versions.end(), orderSortPredicate);
     return versions.length() != 0 ? versions.front() : ModPlatform::IndexedVersion();
-}
+}

launcher/modplatform/packwiz/Packwiz.cpp

@@ -89,7 +89,8 @@ auto intEntry(toml::table table, QString entry_name) -> int
     return node.value_or(0);
 }
 
-auto V1::createModFormat(QDir& index_dir, ModPlatform::IndexedPack& mod_pack, ModPlatform::IndexedVersion& mod_version) -> Mod
+auto V1::createModFormat([[maybe_unused]] QDir& index_dir, ModPlatform::IndexedPack& mod_pack, ModPlatform::IndexedVersion& mod_version)
+    -> Mod
 {
     Mod mod;
 
@@ -114,7 +115,7 @@ auto V1::createModFormat(QDir& index_dir, ModPlatform::IndexedPack& mod_pack, Mo
     return mod;
 }
 
-auto V1::createModFormat(QDir& index_dir, ::Mod& internal_mod, QString slug) -> Mod
+auto V1::createModFormat(QDir& index_dir, [[maybe_unused]] ::Mod& internal_mod, QString slug) -> Mod
 {
     // Try getting metadata if it exists
     Mod mod{ getIndexForMod(index_dir, slug) };
@@ -241,12 +242,13 @@ auto V1::getIndexForMod(QDir& index_dir, QString slug) -> Mod
         return {};
     }
 #else
-    table = toml::parse_file(StringUtils::toStdString(index_dir.absoluteFilePath(real_fname)));
-    if (!table) {
+    toml::parse_result result = toml::parse_file(StringUtils::toStdString(index_dir.absoluteFilePath(real_fname)));
+    if (!result) {
         qWarning() << QString("Could not open file %1!").arg(normalized_fname);
-        qWarning() << "Reason: " << QString(table.error().what());
+        qWarning() << "Reason: " << result.error().description();
         return {};
     }
+    table = result.table();
 #endif
 
     // index_file.close();

launcher/modplatform/technic/TechnicPackProcessor.cpp

@@ -26,7 +26,12 @@
 
 #include <memory>
 
-void Technic::TechnicPackProcessor::run(SettingsObjectPtr globalSettings, const QString &instName, const QString &instIcon, const QString &stagingPath, const QString &minecraftVersion, const bool isSolder)
+void Technic::TechnicPackProcessor::run(SettingsObjectPtr globalSettings,
+                                        const QString& instName,
+                                        const QString& instIcon,
+                                        const QString& stagingPath,
+                                        const QString& minecraftVersion,
+                                        [[maybe_unused]] const bool isSolder)
 {
     QString minecraftPath = FS::PathCombine(stagingPath, ".minecraft");
     QString configPath = FS::PathCombine(stagingPath, "instance.cfg");
@@ -151,17 +156,16 @@ void Technic::TechnicPackProcessor::run(SettingsObjectPtr globalSettings, const
     {
         QJsonDocument doc = Json::requireDocument(data);
         QJsonObject root = Json::requireObject(doc, "version.json");
-        QString minecraftVersion = Json::ensureString(root, "inheritsFrom", QString(), "");
-        if (minecraftVersion.isEmpty())
-        {
+        QString packMinecraftVersion = Json::ensureString(root, "inheritsFrom", QString(), "");
+        if (packMinecraftVersion.isEmpty()) {
             if (fmlMinecraftVersion.isEmpty())
             {
                 emit failed(tr("Could not understand \"version.json\":\ninheritsFrom is missing"));
                 return;
             }
-            minecraftVersion = fmlMinecraftVersion;
+            packMinecraftVersion = fmlMinecraftVersion;
         }
-        components->setComponentVersion("net.minecraft", minecraftVersion, true);
+        components->setComponentVersion("net.minecraft", packMinecraftVersion, true);
         for (auto library: Json::ensureArray(root, "libraries", {}))
         {
             if (!library.isObject())

launcher/net/HeaderProxy.h

@@ -31,8 +31,8 @@ struct HeaderPair {
 
 class HeaderProxy {
    public:
-    HeaderProxy(){};
-    virtual ~HeaderProxy(){};
+    HeaderProxy(){}
+    virtual ~HeaderProxy(){}
 
    public:
     virtual QList<HeaderPair> headers(const QNetworkRequest& request) const = 0;

launcher/net/HttpMetaCache.h

@@ -74,7 +74,7 @@ class MetaEntry {
     auto getMaximumAge() -> qint64 { return m_max_age; }
     void setMaximumAge(qint64 age) { m_max_age = age; }
 
-    bool isExpired(qint64 offset) { return !m_is_eternal && (m_current_age >= m_max_age - offset); };
+    bool isExpired(qint64 offset) { return !m_is_eternal && (m_current_age >= m_max_age - offset); }
 
    protected:
     QString m_baseId;

launcher/net/NetAction.h

@@ -47,7 +47,7 @@
 class NetAction : public Task {
     Q_OBJECT
    protected:
-    explicit NetAction() : Task(){};
+    explicit NetAction() : Task(){}
 
    public:
     using Ptr = shared_qobject_ptr<NetAction>;
@@ -76,7 +76,7 @@ class NetAction : public Task {
             qCritical() << "Certificate in question:\n" << cert.toText();
             i++;
         }
-    };
+    }
 
    public slots:
     void startAction(shared_qobject_ptr<QNetworkAccessManager> network)
@@ -86,7 +86,7 @@ class NetAction : public Task {
     }
 
    protected:
-    void executeTask() override{};
+    void executeTask() override{}
 
    public:
     shared_qobject_ptr<QNetworkAccessManager> m_network;

launcher/net/NetRequest.h

@@ -52,7 +52,7 @@ namespace Net {
 class NetRequest : public NetAction {
     Q_OBJECT
    protected:
-    explicit NetRequest() : NetAction(){};
+    explicit NetRequest() : NetAction(){}
 
    public:
     using Ptr = shared_qobject_ptr<class NetRequest>;
@@ -62,7 +62,7 @@ class NetRequest : public NetAction {
    public:
     ~NetRequest() override = default;
 
-    void init() override{};
+    void init() override{}
 
    public:
     void addValidator(Validator* v);

launcher/net/Validator.h

@@ -40,8 +40,9 @@ namespace Net {
 class Validator
 {
 public: /* con/des */
-    Validator() {};
-    virtual ~Validator() {};
+    Validator() {}
+
+    virtual ~Validator() {}
 
 public: /* methods */
     virtual bool init(QNetworkRequest & request) = 0;

launcher/news/NewsEntry.cpp

@@ -42,8 +42,8 @@ inline QString childValue(const QDomElement& element, const QString& childName,
     QDomNodeList nodes = element.elementsByTagName(childName);
     if (nodes.count() > 0)
     {
-        QDomElement element = nodes.at(0).toElement();
-        return element.text();
+        QDomElement elem = nodes.at(0).toElement();
+        return elem.text();
     }
     else
     {
@@ -51,7 +51,7 @@ inline QString childValue(const QDomElement& element, const QString& childName,
     }
 }
 
-bool NewsEntry::fromXmlElement(const QDomElement& element, NewsEntry* entry, QString* errorMsg)
+bool NewsEntry::fromXmlElement(const QDomElement& element, NewsEntry* entry, [[maybe_unused]] QString* errorMsg)
 {
     QString title = childValue(element, "title", tr("Untitled"));
     QString content = childValue(element, "content", tr("No content."));
@@ -62,4 +62,3 @@ bool NewsEntry::fromXmlElement(const QDomElement& element, NewsEntry* entry, QSt
     entry->link = link;
     return true;
 }
-

launcher/pathmatcher/IPathMatcher.h

@@ -8,6 +8,6 @@ public:
     typedef std::shared_ptr<IPathMatcher> Ptr;
 
 public:
-    virtual ~IPathMatcher(){};
+    virtual ~IPathMatcher() {}
     virtual bool matches(const QString &string) const = 0;
 };

launcher/pathmatcher/RegexpMatcher.h

@@ -4,7 +4,7 @@
 class RegexpMatcher : public IPathMatcher
 {
 public:
-    virtual ~RegexpMatcher() {};
+    virtual ~RegexpMatcher() {}
     RegexpMatcher(const QString &regexp)
     {
         m_regexp.setPattern(regexp);

launcher/screenshots/ImgurAlbumCreation.cpp

@@ -82,7 +82,7 @@ void ImgurAlbumCreation::executeTask()
     connect(rep, &QNetworkReply::sslErrors, this, &ImgurAlbumCreation::sslErrors);
 }
 
-void ImgurAlbumCreation::downloadError(QNetworkReply::NetworkError error)
+void ImgurAlbumCreation::downloadError([[maybe_unused]] QNetworkReply::NetworkError error)
 {
     qDebug() << m_reply->errorString();
     m_state = State::Failed;

launcher/screenshots/ImgurUpload.cpp

@@ -97,7 +97,7 @@ void ImgurUpload::executeTask()
     connect(rep, &QNetworkReply::sslErrors, this, &ImgurUpload::sslErrors);
 }
 
-void ImgurUpload::downloadError(QNetworkReply::NetworkError error)
+void ImgurUpload::downloadError([[maybe_unused]] QNetworkReply::NetworkError error)
 {
     qCritical() << "ImgurUpload failed with error" << m_reply->errorString() << "Server reply:\n" << m_reply->readAll();
     if(finished)

launcher/tasks/ConcurrentTask.cpp

@@ -171,7 +171,7 @@ void ConcurrentTask::subTaskSucceeded(Task::Ptr task)
     startNext();
 }
 
-void ConcurrentTask::subTaskFailed(Task::Ptr task, const QString& msg)
+void ConcurrentTask::subTaskFailed(Task::Ptr task, [[maybe_unused]] const QString& msg)
 {
     m_done.insert(task.get(), task);
     m_failed.insert(task.get(), task);

launcher/tasks/ConcurrentTask.h

@@ -53,7 +53,7 @@ class ConcurrentTask : public Task {
 
     bool canAbort() const override { return true; }
 
-    inline auto isMultiStep() const -> bool override { return totalSize() > 1; };
+    inline auto isMultiStep() const -> bool override { return totalSize() > 1; }
     auto getStepProgress() const -> TaskStepProgressList override;
 
     void addTask(Task::Ptr task);
@@ -80,7 +80,7 @@ class ConcurrentTask : public Task {
 
    protected:
     // NOTE: This is not thread-safe.
-    [[nodiscard]] unsigned int totalSize() const { return m_queue.size() + m_doing.size() + m_done.size(); }
+ [[nodiscard]] unsigned int totalSize() const { return static_cast<unsigned int>(m_queue.size() + m_doing.size() + m_done.size()); }
 
     enum class Operation { ADDED, REMOVED, CHANGED };
     void updateStepProgress(TaskStepProgress const& changed_progress, Operation);

launcher/tasks/Task.h

@@ -64,19 +64,20 @@ struct TaskStepProgress {
     QString status = "";
     QString details = "";
     TaskStepState state = TaskStepState::Waiting;
+    
     TaskStepProgress() {
         this->uid = QUuid::createUuid();
     }
-    TaskStepProgress(QUuid uid) {
-        this->uid = uid;
-    }
+
+    TaskStepProgress(QUuid uid_): uid(uid_) {}
+
     bool isDone() const { return (state == TaskStepState::Failed) || (state == TaskStepState::Succeeded); }
-    void update(qint64 current, qint64 total) {
+    void update(qint64 new_current, qint64 new_total) {
         this->old_current = this->current;
         this->old_total = this->total;
 
-        this->current = current;
-        this->total = total;
+        this->current = new_current;
+        this->total = new_total;
         this->state = TaskStepState::Running;
     }
 };
@@ -155,7 +156,7 @@ class Task : public QObject, public QRunnable {
     void run() override { start(); }
 
     virtual void start();
-    virtual bool abort() { if(canAbort()) emitAborted(); return canAbort(); };
+    virtual bool abort() { if(canAbort()) emitAborted(); return canAbort(); }
 
     void setAbortable(bool can_abort) { m_can_abort = can_abort; emit abortStatusChanged(can_abort); }
 

launcher/tools/JProfiler.cpp

@@ -34,7 +34,7 @@ void JProfiler::profilerStarted()
     emit readyToLaunch(tr("Listening on port: %1").arg(listeningPort));
 }
 
-void JProfiler::profilerFinished(int exit, QProcess::ExitStatus status)
+void JProfiler::profilerFinished([[maybe_unused]] int exit, QProcess::ExitStatus status)
 {
     if (status == QProcess::CrashExit)
     {

launcher/tools/JVisualVM.cpp

@@ -32,7 +32,7 @@ void JVisualVM::profilerStarted()
     emit readyToLaunch(tr("JVisualVM started"));
 }
 
-void JVisualVM::profilerFinished(int exit, QProcess::ExitStatus status)
+void JVisualVM::profilerFinished([[maybe_unused]] int exit, QProcess::ExitStatus status)
 {
     if (status == QProcess::CrashExit)
     {

launcher/translations/POTranslator.cpp

@@ -334,7 +334,7 @@ POTranslator::~POTranslator()
     delete d;
 }
 
-QString POTranslator::translate(const char* context, const char* sourceText, const char* disambiguation, int n) const
+QString POTranslator::translate(const char* context, const char* sourceText, const char* disambiguation, [[maybe_unused]] int n) const
 {
     if(disambiguation)
     {

launcher/translations/TranslationsModel.cpp

@@ -268,14 +268,11 @@ void readIndex(const QString & path, QMap<QString, Language>& languages)
     try
     {
         data = FS::read(path);
-    }
-    catch (const Exception &e)
-    {
+    } catch ([[maybe_unused]] const Exception& e) {
         qCritical() << "Translations Download Failed: index file not readable";
         return;
     }
 
-    int index = 1;
     try
     {
         auto toplevel_doc = Json::requireDocument(data);
@@ -308,11 +305,8 @@ void readIndex(const QString & path, QMap<QString, Language>& languages)
             lang.file_size = Json::requireInteger(langObj, "size");
 
             languages.insert(lang.key, lang);
-            index++;
         }
-    }
-    catch (Json::JsonException & e)
-    {
+    } catch ([[maybe_unused]] Json::JsonException& e) {
         qCritical() << "Translations Download Failed: index file could not be parsed as json";
     }
 }
@@ -502,12 +496,12 @@ QVariant TranslationsModel::headerData(int section, Qt::Orientation orientation,
     return QAbstractListModel::headerData(section, orientation, role);
 }
 
-int TranslationsModel::rowCount(const QModelIndex& parent) const
+int TranslationsModel::rowCount([[maybe_unused]] const QModelIndex& parent) const
 {
     return d->m_languages.size();
 }
 
-int TranslationsModel::columnCount(const QModelIndex& parent) const
+int TranslationsModel::columnCount([[maybe_unused]] const QModelIndex& parent) const
 {
     return 2;
 }

launcher/ui/MainWindow.cpp

@@ -514,10 +514,11 @@ void MainWindow::showInstanceContextMenu(const QPoint& pos)
 
         QAction* actionCreateInstance = new QAction(tr("Create instance"), this);
         actionCreateInstance->setToolTip(ui->actionAddInstance->toolTip());
-        if (!group.isNull()) {
-            QVariantMap data;
-            data["group"] = group;
-            actionCreateInstance->setData(data);
+        if(!group.isNull())
+        {
+            QVariantMap instance_action_data;
+            instance_action_data["group"] = group;
+            actionCreateInstance->setData(instance_action_data);
         }
 
         connect(actionCreateInstance, SIGNAL(triggered(bool)), SLOT(on_actionAddInstance_triggered()));
@@ -525,11 +526,12 @@ void MainWindow::showInstanceContextMenu(const QPoint& pos)
         actions.prepend(actionSep);
         actions.prepend(actionVoid);
         actions.append(actionCreateInstance);
-        if (!group.isNull()) {
-            QAction* actionDeleteGroup = new QAction(tr("Delete group '%1'").arg(group), this);
-            QVariantMap data;
-            data["group"] = group;
-            actionDeleteGroup->setData(data);
+        if(!group.isNull())
+        {
+            QAction *actionDeleteGroup = new QAction(tr("Delete group '%1'").arg(group), this);
+            QVariantMap delete_group_action_data;
+            delete_group_action_data["group"] = group;
+            actionDeleteGroup->setData(delete_group_action_data);
             connect(actionDeleteGroup, SIGNAL(triggered(bool)), SLOT(deleteGroup()));
             actions.append(actionDeleteGroup);
         }
@@ -744,10 +746,10 @@ void MainWindow::changeActiveAccount()
     if (sAction->data().type() != QVariant::Type::Int)
         return;
 
-    QVariant data = sAction->data();
+    QVariant action_data = sAction->data();
     bool valid = false;
-    int index = data.toInt(&valid);
-    if (!valid) {
+    int index = action_data.toInt(&valid);
+    if(!valid) {
         index = -1;
     }
     auto accounts = APPLICATION->accounts();
@@ -1060,10 +1062,11 @@ void MainWindow::on_actionChangeInstIcon_triggered()
 
 void MainWindow::iconUpdated(QString icon)
 {
-    if (icon == m_currentInstIcon) {
-        auto icon = APPLICATION->icons()->getIcon(m_currentInstIcon);
-        ui->actionChangeInstIcon->setIcon(icon);
-        changeIconButton->setIcon(icon);
+    if (icon == m_currentInstIcon)
+    {
+        auto new_icon = APPLICATION->icons()->getIcon(m_currentInstIcon);
+        ui->actionChangeInstIcon->setIcon(new_icon);
+        changeIconButton->setIcon(new_icon);
     }
 }
 
@@ -1590,7 +1593,7 @@ void MainWindow::startTask(Task* task)
     task->start();
 }
 
-void MainWindow::instanceChanged(const QModelIndex& current, const QModelIndex& previous)
+void MainWindow::instanceChanged(const QModelIndex& current, [[maybe_unused]] const QModelIndex& previous)
 {
     if (!current.isValid()) {
         APPLICATION->settings()->set("SelectedInstance", QString());
@@ -1725,8 +1728,9 @@ void MainWindow::setInstanceActionsEnabled(bool enabled)
     ui->actionCreateInstanceShortcut->setEnabled(enabled);
 }
 
-void MainWindow::refreshCurrentInstance(bool running)
+void MainWindow::refreshCurrentInstance([[maybe_unused]] bool running)
 {
     auto current = view->selectionModel()->currentIndex();
     instanceChanged(current, current);
 }
+

launcher/ui/dialogs/CopyInstanceDialog.cpp

@@ -220,7 +220,7 @@ void CopyInstanceDialog::on_iconButton_clicked()
     }
 }
 
-void CopyInstanceDialog::on_instNameTextBox_textChanged(const QString& arg1)
+void CopyInstanceDialog::on_instNameTextBox_textChanged([[maybe_unused]] const QString& arg1)
 {
     updateDialogState();
 }

launcher/ui/dialogs/ExportInstanceDialog.cpp

@@ -195,8 +195,8 @@ void ExportInstanceDialog::loadPackIgnore()
     if (!ignoreFile.open(QIODevice::ReadOnly)) {
         return;
     }
-    auto data = ignoreFile.readAll();
-    auto string = QString::fromUtf8(data);
+    auto ignoreData = ignoreFile.readAll();
+    auto string = QString::fromUtf8(ignoreData);
 #if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
     proxyModel->setBlockedPaths(string.split('\n', Qt::SkipEmptyParts));
 #else
@@ -206,10 +206,10 @@ void ExportInstanceDialog::loadPackIgnore()
 
 void ExportInstanceDialog::savePackIgnore()
 {
-    auto data = proxyModel->blockedPaths().toStringList().join('\n').toUtf8();
+    auto ignoreData = proxyModel->blockedPaths().toStringList().join('\n').toUtf8();
     auto filename = ignoreFileName();
     try {
-        FS::write(filename, data);
+        FS::write(filename, ignoreData);
     } catch (const Exception& e) {
         qWarning() << e.cause();
     }

launcher/ui/dialogs/NewInstanceDialog.cpp

@@ -295,7 +295,7 @@ void NewInstanceDialog::on_iconButton_clicked()
     }
 }
 
-void NewInstanceDialog::on_instNameTextBox_textChanged(const QString& arg1)
+void NewInstanceDialog::on_instNameTextBox_textChanged([[maybe_unused]] const QString& arg1)
 {
     updateDialogState();
 }

launcher/ui/dialogs/ProfileSetupDialog.cpp

@@ -167,14 +167,14 @@ void ProfileSetupDialog::checkName(const QString &name) {
 
 void ProfileSetupDialog::checkFinished(
     QNetworkReply::NetworkError error,
-    QByteArray data,
-    QList<QNetworkReply::RawHeaderPair> headers
+    QByteArray profileData,
+    [[maybe_unused]] QList<QNetworkReply::RawHeaderPair> headers
 ) {
     auto requestor = qobject_cast<AuthRequest *>(QObject::sender());
     requestor->deleteLater();
 
     if(error == QNetworkReply::NoError) {
-        auto doc = QJsonDocument::fromJson(data);
+        auto doc = QJsonDocument::fromJson(profileData);
         auto root = doc.object();
         auto statusValue = root.value("status").toString("INVALID");
         if(statusValue == "AVAILABLE") {
@@ -210,11 +210,11 @@ void ProfileSetupDialog::setupProfile(const QString &profileName) {
     request.setRawHeader("Authorization", QString("Bearer %1").arg(token).toUtf8());
 
     QString payloadTemplate("{\"profileName\":\"%1\"}");
-    auto data = payloadTemplate.arg(profileName).toUtf8();
+    auto profileData = payloadTemplate.arg(profileName).toUtf8();
 
     AuthRequest *requestor = new AuthRequest(this);
     connect(requestor, &AuthRequest::finished, this, &ProfileSetupDialog::setupProfileFinished);
-    requestor->post(request, data);
+    requestor->post(request, profileData);
     isWorking = true;
 
     auto button = ui->buttonBox->button(QDialogButtonBox::Cancel);
@@ -251,8 +251,8 @@ struct MojangError{
 
 void ProfileSetupDialog::setupProfileFinished(
     QNetworkReply::NetworkError error,
-    QByteArray data,
-    QList<QNetworkReply::RawHeaderPair> headers
+    QByteArray errorData,
+    [[maybe_unused]] QList<QNetworkReply::RawHeaderPair> headers
 ) {
     auto requestor = qobject_cast<AuthRequest *>(QObject::sender());
     requestor->deleteLater();
@@ -266,7 +266,7 @@ void ProfileSetupDialog::setupProfileFinished(
         accept();
     }
     else {
-        auto parsedError = MojangError::fromJSON(data);
+        auto parsedError = MojangError::fromJSON(errorData);
         ui->errorLabel->setVisible(true);
         ui->errorLabel->setText(tr("The server returned the following error:") + "\n\n" + parsedError.errorMessage);
         qDebug() << parsedError.rawError;

launcher/ui/dialogs/ProgressDialog.cpp

@@ -87,7 +87,7 @@ void ProgressDialog::on_skipButton_clicked(bool checked)
 {
     Q_UNUSED(checked);
     if (ui->skipButton->isEnabled())  // prevent other triggers from aborting
-        task->abort();
+        m_task->abort();
 }
 
 ProgressDialog::~ProgressDialog()
@@ -132,7 +132,7 @@ void ProgressDialog::updateSize(bool recenterParent)
 
 int ProgressDialog::execWithTask(Task* task)
 {
-    this->task = task;
+    this->m_task = task;
 
     if (!task) {
         qDebug() << "Programmer error: Progress dialog created with null task.";
@@ -184,8 +184,8 @@ int ProgressDialog::execWithTask(std::unique_ptr<Task>& task)
 
 bool ProgressDialog::handleImmediateResult(QDialog::DialogCode& result)
 {
-    if (task->isFinished()) {
-        if (task->wasSuccessful()) {
+    if (m_task->isFinished()) {
+        if (m_task->wasSuccessful()) {
             result = QDialog::Accepted;
         } else {
             result = QDialog::Rejected;
@@ -197,12 +197,12 @@ bool ProgressDialog::handleImmediateResult(QDialog::DialogCode& result)
 
 Task* ProgressDialog::getTask()
 {
-    return task;
+    return m_task;
 }
 
 void ProgressDialog::onTaskStarted() {}
 
-void ProgressDialog::onTaskFailed(QString failure)
+void ProgressDialog::onTaskFailed([[maybe_unused]] QString failure)
 {
     reject();
     hide();
@@ -214,13 +214,14 @@ void ProgressDialog::onTaskSucceeded()
     hide();
 }
 
-void ProgressDialog::changeStatus(const QString& status)
+void ProgressDialog::changeStatus([[maybe_unused]] const QString& status)
 {
-    ui->globalStatusLabel->setText(task->getStatus());
+    ui->globalStatusLabel->setText(m_task->getStatus());
     ui->globalStatusLabel->adjustSize();
-    ui->globalStatusDetailsLabel->setText(task->getDetails());
+    ui->globalStatusDetailsLabel->setText(m_task->getDetails());
     ui->globalStatusDetailsLabel->adjustSize();
 
+
     updateSize();
 }
 
@@ -287,7 +288,7 @@ void ProgressDialog::keyPressEvent(QKeyEvent* e)
 
 void ProgressDialog::closeEvent(QCloseEvent* e)
 {
-    if (task && task->isRunning()) {
+    if (m_task && m_task->isRunning()) {
         e->ignore();
     } else {
         QDialog::closeEvent(e);

launcher/ui/dialogs/ProgressDialog.h

@@ -98,7 +98,7 @@ private:
 private:
     Ui::ProgressDialog *ui;
 
-    Task *task;
+    Task *m_task;
 
     bool m_is_multi_step = false;
     QHash<QUuid, SubTaskProgressBar*> taskProgress;

launcher/ui/dialogs/ResourceDownloadDialog.cpp

@@ -300,7 +300,7 @@ GetModDependenciesTask::Ptr ModDownloadDialog::getModDependenciesTask()
         return makeShared<GetModDependenciesTask>(this, m_instance, model, selectedVers);
     }
     return nullptr;
-};
+}
 
 ResourcePackDownloadDialog::ResourcePackDownloadDialog(QWidget* parent,
                                                        const std::shared_ptr<ResourcePackFolderModel>& resource_packs,

launcher/ui/dialogs/ReviewMessageBox.cpp

@@ -5,7 +5,7 @@
 
 #include <QPushButton>
 
-ReviewMessageBox::ReviewMessageBox(QWidget* parent, QString const& title, QString const& icon)
+ReviewMessageBox::ReviewMessageBox(QWidget* parent, [[maybe_unused]] QString const& title, [[maybe_unused]] QString const& icon)
     : QDialog(parent), ui(new Ui::ReviewMessageBox)
 {
     ui->setupUi(this);

launcher/ui/dialogs/SkinUploadDialog.cpp

@@ -155,15 +155,15 @@ SkinUploadDialog::SkinUploadDialog(MinecraftAccountPtr acct, QWidget *parent)
     ui->setupUi(this);
 
     // FIXME: add a model for this, download/refresh the capes on demand
-    auto &data = *acct->accountData();
+    auto &accountData = *acct->accountData();
     int index = 0;
     ui->capeCombo->addItem(tr("No Cape"), QVariant());
-    auto currentCape = data.minecraftProfile.currentCape;
+    auto currentCape = accountData.minecraftProfile.currentCape;
     if(currentCape.isEmpty()) {
         ui->capeCombo->setCurrentIndex(index);
     }
 
-    for(auto & cape: data.minecraftProfile.capes) {
+    for(auto & cape: accountData.minecraftProfile.capes) {
         index++;
         if(cape.data.size()) {
             QPixmap capeImage;

launcher/ui/instanceview/InstanceDelegate.cpp

@@ -400,7 +400,9 @@ signals:
     void editingDone();
 };
 
-void ListViewDelegate::updateEditorGeometry(QWidget* editor, const QStyleOptionViewItem& option, const QModelIndex& index) const
+void ListViewDelegate::updateEditorGeometry(QWidget* editor,
+                                            const QStyleOptionViewItem& option,
+                                            [[maybe_unused]] const QModelIndex& index) const
 {
     const int iconSize = 48;
     QRect textRect = option.rect;
@@ -412,17 +414,17 @@ void ListViewDelegate::updateEditorGeometry(QWidget* editor, const QStyleOptionV
 void ListViewDelegate::setEditorData(QWidget* editor, const QModelIndex& index) const
 {
     auto text = index.data(Qt::EditRole).toString();
-    QTextEdit * realeditor = qobject_cast<NoReturnTextEdit *>(editor);
-    realeditor->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
-    realeditor->append(text);
-    realeditor->selectAll();
-    realeditor->document()->clearUndoRedoStacks();
+    QTextEdit* realEditor = qobject_cast<NoReturnTextEdit*>(editor);
+    realEditor->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
+    realEditor->append(text);
+    realEditor->selectAll();
+    realEditor->document()->clearUndoRedoStacks();
 }
 
 void ListViewDelegate::setModelData(QWidget* editor, QAbstractItemModel* model, const QModelIndex& index) const
 {
-    QTextEdit * realeditor = qobject_cast<NoReturnTextEdit *>(editor);
-    QString text = realeditor->toPlainText();
+    QTextEdit * realEditor = qobject_cast<NoReturnTextEdit *>(editor);
+    QString text = realEditor->toPlainText();
     text.replace(QChar('\n'), QChar(' '));
     text = text.trimmed();
     // Prevent instance names longer than 128 chars
@@ -433,7 +435,9 @@ void ListViewDelegate::setModelData(QWidget* editor, QAbstractItemModel* model,
     }
 }
 
-QWidget * ListViewDelegate::createEditor(QWidget* parent, const QStyleOptionViewItem& option, const QModelIndex& index) const
+QWidget* ListViewDelegate::createEditor(QWidget* parent,
+                                        [[maybe_unused]] const QStyleOptionViewItem& option,
+                                        [[maybe_unused]] const QModelIndex& index) const
 {
     auto editor = new NoReturnTextEdit(parent);
     connect(editor, &NoReturnTextEdit::editingDone, this, &ListViewDelegate::editingDone);

launcher/ui/instanceview/InstanceView.cpp

@@ -89,16 +89,18 @@ void InstanceView::setModel(QAbstractItemModel *model)
     connect(model, &QAbstractItemModel::rowsRemoved, this, &InstanceView::rowsRemoved);
 }
 
-void InstanceView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles)
+void InstanceView::dataChanged([[maybe_unused]] const QModelIndex& topLeft,
+                               [[maybe_unused]] const QModelIndex& bottomRight,
+                               [[maybe_unused]] const QVector<int>& roles)
 {
     scheduleDelayedItemsLayout();
 }
-void InstanceView::rowsInserted(const QModelIndex &parent, int start, int end)
+void InstanceView::rowsInserted([[maybe_unused]] const QModelIndex& parent, [[maybe_unused]] int start, [[maybe_unused]] int end)
 {
     scheduleDelayedItemsLayout();
 }
 
-void InstanceView::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end)
+void InstanceView::rowsAboutToBeRemoved([[maybe_unused]] const QModelIndex& parent, [[maybe_unused]] int start, [[maybe_unused]] int end)
 {
     scheduleDelayedItemsLayout();
 }
@@ -264,9 +266,9 @@ QString InstanceView::groupNameAt(const QPoint &point)
 {
     executeDelayedItemsLayout();
 
-    VisualGroup::HitResults hitresult;
-    auto group = categoryAt(point + offset(), hitresult);
-    if(group && (hitresult & (VisualGroup::HeaderHit | VisualGroup::BodyHit)))
+    VisualGroup::HitResults hitResult;
+    auto group = categoryAt(point + offset(), hitResult);
+    if(group && (hitResult & (VisualGroup::HeaderHit | VisualGroup::BodyHit)))
     {
         return group->text;
     }
@@ -301,9 +303,9 @@ void InstanceView::mousePressEvent(QMouseEvent *event)
     m_pressedAlreadySelected = selectionModel()->isSelected(m_pressedIndex);
     m_pressedPosition = geometryPos;
 
-    VisualGroup::HitResults hitresult;
-    m_pressedCategory = categoryAt(geometryPos, hitresult);
-    if (m_pressedCategory && hitresult & VisualGroup::CheckboxHit)
+    VisualGroup::HitResults hitResult;
+    m_pressedCategory = categoryAt(geometryPos, hitResult);
+    if (m_pressedCategory && hitResult & VisualGroup::CheckboxHit)
     {
         setState(m_pressedCategory->collapsed ? ExpandingState : CollapsingState);
         event->accept();
@@ -403,10 +405,10 @@ void InstanceView::mouseReleaseEvent(QMouseEvent *event)
     QPoint geometryPos = event->pos() + offset();
     QPersistentModelIndex index = indexAt(visualPos);
 
-    VisualGroup::HitResults hitresult;
+    VisualGroup::HitResults hitResult;
 
     bool click = (index == m_pressedIndex && index.isValid()) ||
-                 (m_pressedCategory && m_pressedCategory == categoryAt(geometryPos, hitresult));
+                 (m_pressedCategory && m_pressedCategory == categoryAt(geometryPos, hitResult));
 
     if (click && m_pressedCategory)
     {
@@ -499,6 +501,7 @@ void InstanceView::mouseDoubleClickEvent(QMouseEvent *event)
     }
 }
 
+
 void InstanceView::setPaintCat(bool visible)
 {
     m_catVisible = visible;
@@ -508,7 +511,7 @@ void InstanceView::setPaintCat(bool visible)
         m_catPixmap = QPixmap();
 }
 
-void InstanceView::paintEvent(QPaintEvent* event)
+void InstanceView::paintEvent([[maybe_unused]] QPaintEvent *event)
 {
     executeDelayedItemsLayout();
 
@@ -612,7 +615,7 @@ void InstanceView::paintEvent(QPaintEvent* event)
 #endif
 }
 
-void InstanceView::resizeEvent(QResizeEvent *event)
+void InstanceView::resizeEvent([[maybe_unused]] QResizeEvent *event)
 {
     int newItemsPerRow = calculateItemsPerRow();
     if(newItemsPerRow != m_currentItemsPerRow)
@@ -653,7 +656,7 @@ void InstanceView::dragMoveEvent(QDragMoveEvent *event)
     event->accept();
 }
 
-void InstanceView::dragLeaveEvent(QDragLeaveEvent *event)
+void InstanceView::dragLeaveEvent([[maybe_unused]] QDragLeaveEvent *event)
 {
     executeDelayedItemsLayout();
 
@@ -678,9 +681,9 @@ void InstanceView::dropEvent(QDropEvent *event)
         {
             std::pair<VisualGroup *, VisualGroup::HitResults> dropPos = rowDropPos(event->pos());
             const VisualGroup *group = dropPos.first;
-            auto hitresult = dropPos.second;
+            auto hitResult = dropPos.second;
 
-            if (hitresult == VisualGroup::HitResult::NoHit)
+            if (hitResult == VisualGroup::HitResult::NoHit)
             {
                 viewport()->update();
                 return;
@@ -720,8 +723,8 @@ void InstanceView::startDrag(Qt::DropActions supportedActions)
     if(indexes.count() == 0)
         return;
 
-    QMimeData *data = model()->mimeData(indexes);
-    if (!data)
+    QMimeData *mimeData = model()->mimeData(indexes);
+    if (!mimeData)
     {
         return;
     }
@@ -729,7 +732,7 @@ void InstanceView::startDrag(Qt::DropActions supportedActions)
     QPixmap pixmap = renderToPixmap(indexes, &rect);
     QDrag *drag = new QDrag(this);
     drag->setPixmap(pixmap);
-    drag->setMimeData(data);
+    drag->setMimeData(mimeData);
     drag->setHotSpot(m_pressedPosition - rect.topLeft());
     Qt::DropAction defaultDropAction = Qt::IgnoreAction;
     if (this->defaultDropAction() != Qt::IgnoreAction && (supportedActions & this->defaultDropAction()))
@@ -856,16 +859,16 @@ QList<std::pair<QRect, QModelIndex>> InstanceView::draggablePaintPairs(const QMo
     return ret;
 }
 
-bool InstanceView::isDragEventAccepted(QDropEvent *event)
+bool InstanceView::isDragEventAccepted([[maybe_unused]] QDropEvent *event)
 {
     return true;
 }
 
 std::pair<VisualGroup *, VisualGroup::HitResults> InstanceView::rowDropPos(const QPoint &pos)
 {
-    VisualGroup::HitResults hitresult;
-    auto group = categoryAt(pos + offset(), hitresult);
-    return std::make_pair(group, hitresult);
+    VisualGroup::HitResults hitResult;
+    auto group = categoryAt(pos + offset(), hitResult);
+    return std::make_pair(group, hitResult);
 }
 
 QPoint InstanceView::offset() const
@@ -894,7 +897,7 @@ QRegion InstanceView::visualRegionForSelection(const QItemSelection &selection)
     return region;
 }
 
-QModelIndex InstanceView::moveCursor(QAbstractItemView::CursorAction cursorAction, Qt::KeyboardModifiers modifiers)
+QModelIndex InstanceView::moveCursor(QAbstractItemView::CursorAction cursorAction, [[maybe_unused]] Qt::KeyboardModifiers modifiers)
 {
     auto current = currentIndex();
     if(!current.isValid())
@@ -919,23 +922,23 @@ QModelIndex InstanceView::moveCursor(QAbstractItemView::CursorAction cursorActio
         {
             if(row == 0)
             {
-                int prevgroupindex = group_index-1;
-                while(prevgroupindex >= 0)
+                int prevGroupIndex = group_index-1;
+                while(prevGroupIndex >= 0)
                 {
-                    auto prevgroup = m_groups[prevgroupindex];
-                    if(prevgroup->collapsed)
+                    auto prevGroup = m_groups[prevGroupIndex];
+                    if(prevGroup->collapsed)
                     {
-                        prevgroupindex--;
+                        prevGroupIndex--;
                         continue;
                     }
-                    int newRow = prevgroup->numRows() - 1;
-                    int newRowSize = prevgroup->rows[newRow].size();
+                    int newRow = prevGroup->numRows() - 1;
+                    int newRowSize = prevGroup->rows[newRow].size();
                     int newColumn = m_currentCursorColumn;
                     if (m_currentCursorColumn >= newRowSize)
                     {
                         newColumn = newRowSize - 1;
                     }
-                    return prevgroup->rows[newRow][newColumn];
+                    return prevGroup->rows[newRow][newColumn];
                 }
             }
             else
@@ -955,22 +958,22 @@ QModelIndex InstanceView::moveCursor(QAbstractItemView::CursorAction cursorActio
         {
             if(row == cat->rows.size() - 1)
             {
-                int nextgroupindex = group_index+1;
-                while (nextgroupindex < m_groups.size())
+                int nextGroupIndex = group_index+1;
+                while (nextGroupIndex < m_groups.size())
                 {
-                    auto nextgroup = m_groups[nextgroupindex];
-                    if(nextgroup->collapsed)
+                    auto nextGroup = m_groups[nextGroupIndex];
+                    if(nextGroup->collapsed)
                     {
-                        nextgroupindex++;
+                        nextGroupIndex++;
                         continue;
                     }
-                    int newRowSize = nextgroup->rows[0].size();
+                    int newRowSize = nextGroup->rows[0].size();
                     int newColumn = m_currentCursorColumn;
                     if (m_currentCursorColumn >= newRowSize)
                     {
                         newColumn = newRowSize - 1;
                     }
-                    return nextgroup->rows[0][newColumn];
+                    return nextGroup->rows[0][newColumn];
                 }
             }
             else
@@ -1054,7 +1057,7 @@ void InstanceView::scrollTo(const QModelIndex &index, ScrollHint hint)
     verticalScrollBar()->setValue(verticalScrollToValue(index, rect, hint));
 }
 
-int InstanceView::verticalScrollToValue(const QModelIndex &index, const QRect &rect, QListView::ScrollHint hint) const
+int InstanceView::verticalScrollToValue([[maybe_unused]] const QModelIndex &index, const QRect &rect, QListView::ScrollHint hint) const
 {
     const QRect area = viewport()->rect();
     const bool above = (hint == QListView::EnsureVisible && rect.top() < area.top());

launcher/ui/pages/global/AccountListPage.cpp

@@ -84,9 +84,8 @@ AccountListPage::AccountListPage(QWidget *parent)
 
     QItemSelectionModel *selectionModel = ui->listView->selectionModel();
 
-    connect(selectionModel, &QItemSelectionModel::selectionChanged, [this](const QItemSelection &sel, const QItemSelection &dsel) {
-        updateButtonStates();
-    });
+    connect(selectionModel, &QItemSelectionModel::selectionChanged,
+            [this]([[maybe_unused]] const QItemSelection& sel, [[maybe_unused]] const QItemSelection& dsel) { updateButtonStates(); });
     connect(ui->listView, &VersionListView::customContextMenuRequested, this, &AccountListPage::ShowContextMenu);
 
     connect(m_accounts.get(), &AccountList::listChanged, this, &AccountListPage::listChanged);

launcher/ui/pages/global/JavaPage.cpp

@@ -176,7 +176,7 @@ void JavaPage::on_javaTestBtn_clicked()
     checker->run();
 }
 
-void JavaPage::on_maxMemSpinBox_valueChanged(int i)
+void JavaPage::on_maxMemSpinBox_valueChanged([[maybe_unused]] int i)
 {
     updateThresholds();
 }

launcher/ui/pages/global/ProxyPage.cpp

@@ -73,7 +73,7 @@ void ProxyPage::updateCheckboxStuff()
     ui->proxyAuthBox->setEnabled(enableEditing);
 }
 
-void ProxyPage::proxyGroupChanged(QAbstractButton *button)
+void ProxyPage::proxyGroupChanged([[maybe_unused]] QAbstractButton *button)
 {
     updateCheckboxStuff();
 }

launcher/ui/pages/instance/ExternalResourcesPage.cpp

@@ -305,7 +305,7 @@ bool ExternalResourcesPage::current(const QModelIndex& current, const QModelInde
     return onSelectionChanged(current, previous);
 }
 
-bool ExternalResourcesPage::onSelectionChanged(const QModelIndex& current, const QModelIndex& previous)
+bool ExternalResourcesPage::onSelectionChanged(const QModelIndex& current, [[maybe_unused]] const QModelIndex& previous)
 {
     auto sourceCurrent = m_filterModel->mapToSource(current);
     int row = sourceCurrent.row();

launcher/ui/pages/instance/InstanceSettingsPage.cpp

@@ -491,7 +491,7 @@ void InstanceSettingsPage::changeInstanceAccount(int index)
     }
 }
 
-void InstanceSettingsPage::on_maxMemSpinBox_valueChanged(int i)
+void InstanceSettingsPage::on_maxMemSpinBox_valueChanged([[maybe_unused]] int i)
 {
     updateThresholds();
 }

launcher/ui/pages/instance/ModFolderPage.cpp

@@ -127,7 +127,7 @@ bool ModFolderPage::shouldDisplay() const
     return true;
 }
 
-bool ModFolderPage::onSelectionChanged(const QModelIndex& current, const QModelIndex& previous)
+bool ModFolderPage::onSelectionChanged(const QModelIndex& current, [[maybe_unused]] const QModelIndex& previous)
 {
     auto sourceCurrent = m_filterModel->mapToSource(current);
     int row = sourceCurrent.row();

launcher/ui/pages/instance/OtherLogsPage.cpp

@@ -287,23 +287,23 @@ void OtherLogsPage::on_btnClean_clicked()
     }
     if(!failed.empty())
     {
-        QMessageBox *messageBox = new QMessageBox(this);
-        messageBox->setWindowTitle(tr("Error"));
+        QMessageBox *messageBoxFailure = new QMessageBox(this);
+        messageBoxFailure->setWindowTitle(tr("Error"));
         if(failed.size() > 5)
         {
-            messageBox->setText(tr("Couldn't delete some files!"));
-            messageBox->setDetailedText(failed.join('\n'));
+            messageBoxFailure->setText(tr("Couldn't delete some files!"));
+            messageBoxFailure->setDetailedText(failed.join('\n'));
         }
         else
         {
-            messageBox->setText(tr("Couldn't delete some files:\n%1").arg(failed.join('\n')));
+            messageBoxFailure->setText(tr("Couldn't delete some files:\n%1").arg(failed.join('\n')));
         }
-        messageBox->setStandardButtons(QMessageBox::Ok);
-        messageBox->setDefaultButton(QMessageBox::Ok);
-        messageBox->setTextInteractionFlags(Qt::TextSelectableByMouse);
-        messageBox->setIcon(QMessageBox::Critical);
-        messageBox->setTextInteractionFlags(Qt::TextBrowserInteraction);
-        messageBox->exec();
+        messageBoxFailure->setStandardButtons(QMessageBox::Ok);
+        messageBoxFailure->setDefaultButton(QMessageBox::Ok);
+        messageBoxFailure->setTextInteractionFlags(Qt::TextSelectableByMouse);
+        messageBoxFailure->setIcon(QMessageBox::Critical);
+        messageBoxFailure->setTextInteractionFlags(Qt::TextBrowserInteraction);
+        messageBoxFailure->exec();
     }
 }
 

launcher/ui/pages/instance/ResourcePackPage.cpp

@@ -55,7 +55,7 @@ ResourcePackPage::ResourcePackPage(MinecraftInstance* instance, std::shared_ptr<
     ui->actionViewConfigs->setVisible(false);
 }
 
-bool ResourcePackPage::onSelectionChanged(const QModelIndex& current, const QModelIndex& previous)
+bool ResourcePackPage::onSelectionChanged(const QModelIndex& current, [[maybe_unused]] const QModelIndex& previous)
 {
     auto sourceCurrent = m_filterModel->mapToSource(current);
     int row = sourceCurrent.row();

launcher/ui/pages/instance/ServersPage.cpp

@@ -684,7 +684,7 @@ void ServersPage::runningStateChanged(bool running)
     updateState();
 }
 
-void ServersPage::currentChanged(const QModelIndex &current, const QModelIndex &previous)
+void ServersPage::currentChanged(const QModelIndex &current, [[maybe_unused]] const QModelIndex &previous)
 {
     int nextServer = -1;
     if (!current.isValid())
@@ -700,7 +700,7 @@ void ServersPage::currentChanged(const QModelIndex &current, const QModelIndex &
 }
 
 // WARNING: this is here because currentChanged is not accurate when removing rows. the current item needs to be fixed up after removal.
-void ServersPage::rowsRemoved(const QModelIndex& parent, int first, int last)
+void ServersPage::rowsRemoved([[maybe_unused]] const QModelIndex& parent, int first, int last)
 {
     if(currentServer < first)
     {

launcher/ui/pages/instance/TexturePackPage.cpp

@@ -57,7 +57,7 @@ TexturePackPage::TexturePackPage(MinecraftInstance* instance, std::shared_ptr<Te
     ui->actionViewConfigs->setVisible(false);
 }
 
-bool TexturePackPage::onSelectionChanged(const QModelIndex& current, const QModelIndex& previous)
+bool TexturePackPage::onSelectionChanged(const QModelIndex& current, [[maybe_unused]] const QModelIndex& previous)
 {
     auto sourceCurrent = m_filterModel->mapToSource(current);
     int row = sourceCurrent.row();

launcher/ui/pages/instance/VersionPage.cpp

@@ -189,7 +189,8 @@ void VersionPage::showContextMenu(const QPoint& pos)
     delete menu;
 }
 
-void VersionPage::packageCurrent(const QModelIndex& current, const QModelIndex& previous)
+
+void VersionPage::packageCurrent(const QModelIndex& current, [[maybe_unused]] const QModelIndex& previous)
 {
     if (!current.isValid()) {
         ui->frame->clear();
@@ -459,7 +460,7 @@ void VersionPage::on_actionMinecraftFolder_triggered()
     DesktopServices::openDirectory(m_inst->gameRoot(), true);
 }
 
-void VersionPage::versionCurrent(const QModelIndex& current, const QModelIndex& previous)
+void VersionPage::versionCurrent(const QModelIndex& current, [[maybe_unused]] const QModelIndex& previous)
 {
     currentIdx = current.row();
     updateButtons(currentIdx);

launcher/ui/pages/instance/WorldListPage.cpp

@@ -353,7 +353,7 @@ void WorldListPage::mceditState(LoggedProcess::State state)
     }
 }
 
-void WorldListPage::worldChanged(const QModelIndex &current, const QModelIndex &previous)
+void WorldListPage::worldChanged([[maybe_unused]] const QModelIndex &current, [[maybe_unused]] const QModelIndex &previous)
 {
     QModelIndex index = getSelectedWorld();
     bool enable = index.isValid();

launcher/ui/pages/modplatform/ImportPage.cpp

@@ -50,7 +50,7 @@ class UrlValidator : public QValidator
 public:
     using QValidator::QValidator;
 
-    State validate(QString &in, int &pos) const
+    State validate(QString &in, [[maybe_unused]] int &pos) const
     {
         const QUrl url(in);
         if (url.isValid() && !url.isRelative() && !url.isEmpty())
@@ -118,8 +118,8 @@ void ImportPage::updateState()
 
             if(fi.exists() && (isZip || isMRPack))
             {
-                QFileInfo fi(url.fileName());
-                dialog->setSuggestedPack(fi.completeBaseName(), new InstanceImportTask(url,this));
+                QFileInfo file_info(url.fileName());
+                dialog->setSuggestedPack(file_info.completeBaseName(), new InstanceImportTask(url,this));
                 dialog->setSuggestedIcon("default");
             }
         }

launcher/ui/pages/modplatform/ResourceModel.cpp

@@ -102,7 +102,7 @@ QHash<int, QByteArray> ResourceModel::roleNames() const
     return roles;
 }
 
-bool ResourceModel::setData(const QModelIndex& index, const QVariant& value, int role)
+bool ResourceModel::setData(const QModelIndex& index, const QVariant& value, [[maybe_unused]] int role)
 {
     int pos = index.row();
     if (pos >= m_packs.size() || pos < 0 || !index.isValid())
@@ -310,7 +310,7 @@ std::optional<QIcon> ResourceModel::getIcon(QModelIndex& index, const QUrl& url)
 #define NEED_FOR_CALLBACK_ASSERT(name) \
     Q_ASSERT_X(0 != 0, #name, "You NEED to re-implement this if you intend on using the default callbacks.")
 
-QJsonArray ResourceModel::documentToArray(QJsonDocument& doc) const
+QJsonArray ResourceModel::documentToArray([[maybe_unused]] QJsonDocument& doc) const
 {
     NEED_FOR_CALLBACK_ASSERT("documentToArray");
     return {};
@@ -372,7 +372,7 @@ void ResourceModel::searchRequestSucceeded(QJsonDocument& doc)
     endInsertRows();
 }
 
-void ResourceModel::searchRequestFailed(QString reason, int network_error_code)
+void ResourceModel::searchRequestFailed([[maybe_unused]] QString reason, int network_error_code)
 {
     switch (network_error_code) {
         default:

launcher/ui/pages/modplatform/ResourcePackModel.cpp

@@ -9,7 +9,8 @@
 namespace ResourceDownload {
 
 ResourcePackResourceModel::ResourcePackResourceModel(BaseInstance const& base_inst, ResourceAPI* api)
-    : ResourceModel(api), m_base_instance(base_inst){};
+    : ResourceModel(api), m_base_instance(base_inst)
+{}
 
 /******** Make data requests ********/
 

launcher/ui/pages/modplatform/ResourcePage.cpp

@@ -280,7 +280,7 @@ void ResourcePage::updateVersionList()
     updateSelectionButton();
 }
 
-void ResourcePage::onSelectionChanged(QModelIndex curr, QModelIndex prev)
+void ResourcePage::onSelectionChanged(QModelIndex curr, [[maybe_unused]] QModelIndex prev)
 {
     if (!curr.isValid()) {
         return;
@@ -307,9 +307,9 @@ void ResourcePage::onSelectionChanged(QModelIndex curr, QModelIndex prev)
     updateUi();
 }
 
-void ResourcePage::onVersionSelectionChanged(QString data)
+void ResourcePage::onVersionSelectionChanged(QString versionData)
 {
-    if (data.isNull() || data.isEmpty()) {
+    if (versionData.isNull() || versionData.isEmpty()) {
         m_selected_version_index = -1;
         return;
     }

launcher/ui/pages/modplatform/ResourcePage.h

@@ -97,7 +97,10 @@ class ResourcePage : public QWidget, public BasePage {
     virtual void openUrl(const QUrl&);
 
     /** Whether the version is opted out or not. Currently only makes sense in CF. */
-    virtual bool optedOut(ModPlatform::IndexedVersion& ver) const { return false; };
+    virtual bool optedOut(ModPlatform::IndexedVersion& ver) const { 
+        Q_UNUSED(ver);
+        return false;
+    };
 
    public:
     BaseInstance& m_base_instance;

launcher/ui/pages/modplatform/ShaderPackModel.cpp

@@ -9,7 +9,8 @@
 namespace ResourceDownload {
 
 ShaderPackResourceModel::ShaderPackResourceModel(BaseInstance const& base_inst, ResourceAPI* api)
-    : ResourceModel(api), m_base_instance(base_inst){};
+    : ResourceModel(api), m_base_instance(base_inst)
+{}
 
 /******** Make data requests ********/
 

launcher/ui/pages/modplatform/atlauncher/AtlOptionalModDialog.cpp

@@ -116,7 +116,7 @@ QVariant AtlOptionalModListModel::data(const QModelIndex &index, int role) const
     return {};
 }
 
-bool AtlOptionalModListModel::setData(const QModelIndex &index, const QVariant &value, int role) {
+bool AtlOptionalModListModel::setData(const QModelIndex &index, [[maybe_unused]] const QVariant &value, int role) {
     if (role == Qt::CheckStateRole) {
         auto row = index.row();
         auto mod = m_mods.at(row);
@@ -208,7 +208,7 @@ void AtlOptionalModListModel::shareCodeSuccess() {
                      AtlOptionalModListModel::index(m_mods.size() - 1, EnabledColumn));
 }
 
-void AtlOptionalModListModel::shareCodeFailure(const QString& reason) {
+void AtlOptionalModListModel::shareCodeFailure([[maybe_unused]] const QString& reason) {
     m_jobPtr.reset();
 
     // fixme: plumb in an error message
@@ -279,16 +279,16 @@ void AtlOptionalModListModel::setMod(ATLauncher::VersionMod mod, int index, bool
         // if the dependency is 'effectively hidden', then track which mods
         // depend on it - so we can efficiently disable it when no more dependents
         // depend on it.
-        auto dependants = m_dependants[dependencyName];
+        auto dependents = m_dependents[dependencyName];
 
         if (enable) {
-            dependants.append(mod.name);
+            dependents.append(mod.name);
         }
         else {
-            dependants.removeAll(mod.name);
+            dependents.removeAll(mod.name);
 
             // if there are no longer any dependents, let's disable the mod
-            if (dependencyMod.effectively_hidden && dependants.isEmpty()) {
+            if (dependencyMod.effectively_hidden && dependents.isEmpty()) {
                 setMod(dependencyMod, dependencyIndex, false, shouldEmit);
             }
         }
@@ -296,8 +296,8 @@ void AtlOptionalModListModel::setMod(ATLauncher::VersionMod mod, int index, bool
 
     // disable mods that depend on this one, if disabling
     if (!enable) {
-        auto dependants = m_dependants[mod.name];
-        for (const auto& dependencyName : dependants) {
+        auto dependents = m_dependents[mod.name];
+        for (const auto& dependencyName : dependents) {
             auto dependencyIndex = m_index[dependencyName];
             auto dependencyMod = m_mods.at(dependencyIndex);