Noexcept qualify the VST3 proxy implementations

For the same reasons mentioned in the last commit.

src/plugin/bridges/vst3-impls/context-menu-target.cpp

@@ -17,7 +17,7 @@
 #include "context-menu-target.h"
 
 YaContextMenuTargetImpl::YaContextMenuTargetImpl(Vst3PluginBridge& bridge,
-                                                 const ConstructArgs&& args)
+                                                 const ConstructArgs&& args) noexcept
     : YaContextMenuTarget(std::move(args)), bridge(bridge) {}
 
 tresult PLUGIN_API

src/plugin/bridges/vst3-impls/context-menu-target.h

@@ -21,7 +21,7 @@
 class YaContextMenuTargetImpl : public YaContextMenuTarget {
    public:
     YaContextMenuTargetImpl(Vst3PluginBridge& bridge,
-                            const ConstructArgs&& args);
+                            const ConstructArgs&& args) noexcept;
 
     /**
      * We'll override the query interface to log queries for interfaces we do

src/plugin/bridges/vst3-impls/plug-view-proxy.cpp

@@ -86,16 +86,19 @@ RunLoopTasks::onFDIsSet(Steinberg::Linux::FileDescriptor /*fd*/) {
 Vst3PlugViewProxyImpl::Vst3PlugViewProxyImpl(
     Vst3PluginBridge& bridge,
     std::atomic_bool& is_active,
-    Vst3PlugViewProxy::ConstructArgs&& args)
+    Vst3PlugViewProxy::ConstructArgs&& args) noexcept
     : Vst3PlugViewProxy(std::move(args)), bridge(bridge), is_active(is_active) {
     is_active = true;
 }
 
-Vst3PlugViewProxyImpl::~Vst3PlugViewProxyImpl() {
+Vst3PlugViewProxyImpl::~Vst3PlugViewProxyImpl() noexcept {
     is_active = false;
 
     // Also drop the plug view smart pointer on the Wine side when this gets
     // dropped
+    // NOTE: This can actually throw (e.g. out of memory or the socket got
+    //       closed). But if that were to happen, then we wouldn't be able to
+    //       recover from it anyways.
     send_mutually_recursive_message(
         Vst3PlugViewProxy::Destruct{.owner_instance_id = owner_instance_id()});
 }

src/plugin/bridges/vst3-impls/plug-view-proxy.h

@@ -107,14 +107,14 @@ class Vst3PlugViewProxyImpl : public Vst3PlugViewProxy {
    public:
     Vst3PlugViewProxyImpl(Vst3PluginBridge& bridge,
                           std::atomic_bool& is_active,
-                          Vst3PlugViewProxy::ConstructArgs&& args);
+                          Vst3PlugViewProxy::ConstructArgs&& args) noexcept;
 
     /**
      * When the reference count reaches zero and this destructor is called,
      * we'll send a request to the Wine plugin host to destroy the corresponding
      * object.
      */
-    ~Vst3PlugViewProxyImpl();
+    ~Vst3PlugViewProxyImpl() noexcept override;
 
     /**
      * We'll override the query interface to log queries for interfaces we do

src/plugin/bridges/vst3-impls/plugin-factory-proxy.cpp

@@ -23,7 +23,7 @@
 
 Vst3PluginFactoryProxyImpl::Vst3PluginFactoryProxyImpl(
     Vst3PluginBridge& bridge,
-    Vst3PluginFactoryProxy::ConstructArgs&& args)
+    Vst3PluginFactoryProxy::ConstructArgs&& args) noexcept
     : Vst3PluginFactoryProxy(std::move(args)), bridge(bridge) {}
 
 tresult PLUGIN_API

src/plugin/bridges/vst3-impls/plugin-factory-proxy.h

@@ -25,7 +25,7 @@ class Vst3PluginBridge;
 class Vst3PluginFactoryProxyImpl : public Vst3PluginFactoryProxy {
    public:
     Vst3PluginFactoryProxyImpl(Vst3PluginBridge& bridge,
-                               Vst3PluginFactoryProxy::ConstructArgs&& args);
+                               Vst3PluginFactoryProxy::ConstructArgs&& args) noexcept;
 
     /**
      * We'll override the query interface to log queries for interfaces we do

src/plugin/bridges/vst3-impls/plugin-proxy.cpp

@@ -45,7 +45,10 @@ Vst3PluginProxyImpl::Vst3PluginProxyImpl(Vst3PluginBridge& bridge,
     bridge.register_plugin_proxy(*this);
 }
 
-Vst3PluginProxyImpl::~Vst3PluginProxyImpl() {
+Vst3PluginProxyImpl::~Vst3PluginProxyImpl() noexcept {
+    // NOTE: This can actually throw (e.g. out of memory or the socket got
+    //       closed). But if that were to happen, then we wouldn't be able to
+    //       recover from it anyways.
     bridge.send_message(
         Vst3PluginProxy::Destruct{.instance_id = instance_id()});
     bridge.unregister_plugin_proxy(*this);
@@ -80,7 +83,7 @@ bool Vst3PluginProxyImpl::unregister_context_menu(size_t context_menu_id) {
     return context_menus.erase(context_menu_id);
 }
 
-void Vst3PluginProxyImpl::clear_caches() {
+void Vst3PluginProxyImpl::clear_caches() noexcept {
     clear_bus_cache();
 
     std::lock_guard lock(function_result_cache_mutex);
@@ -1325,7 +1328,7 @@ tresult PLUGIN_API Vst3PluginProxyImpl::getXmlRepresentationStream(
     }
 }
 
-void Vst3PluginProxyImpl::clear_bus_cache() {
+void Vst3PluginProxyImpl::clear_bus_cache() noexcept {
     std::lock_guard lock(processing_bus_cache_mutex);
     if (processing_bus_cache) {
         processing_bus_cache.emplace();

src/plugin/bridges/vst3-impls/plugin-proxy.h

@@ -36,7 +36,7 @@ class Vst3PluginProxyImpl : public Vst3PluginProxy {
      * we'll send a request to the Wine plugin host to destroy the corresponding
      * object.
      */
-    ~Vst3PluginProxyImpl();
+    ~Vst3PluginProxyImpl() noexcept override;
 
     /**
      * We'll override the query interface to log queries for interfaces we do
@@ -72,7 +72,7 @@ class Vst3PluginProxyImpl : public Vst3PluginProxy {
      * @see clear_bus_cache
      * @see function_result_cache
      */
-    void clear_caches();
+    void clear_caches() noexcept;
 
     // From `IAudioPresentationLatency`
     tresult PLUGIN_API
@@ -415,7 +415,7 @@ class Vst3PluginProxyImpl : public Vst3PluginProxy {
      *
      * @see processing_bus_cache
      */
-    void clear_bus_cache();
+    void clear_bus_cache() noexcept;
 
     /**
      * If we have an active `IPlugView` instance, try to use the mutual