jsfx: read/compile under scoped locale everywhere

source/backend/plugin/CarlaPluginJSFX.cpp

@@ -22,6 +22,7 @@
 #include "CarlaEngine.hpp"
 #include "CarlaJsfxUtils.hpp"
 #include "CarlaBackendUtils.hpp"
+#include "CarlaScopeUtils.hpp"
 #include "CarlaUtils.hpp"
 
 #include "water/files/File.h"
@@ -287,8 +288,11 @@ public:
             | JsusFx::kCompileFlag_CompileSerializeSection
             ;
 
-        if (!fEffect->compile(*fPathLibrary, fFilename, compileFlags))
-            carla_stderr("Failed to compile JSFX");
+        {
+            const CarlaScopedLocale csl;
+            if (!fEffect->compile(*fPathLibrary, fFilename, compileFlags))
+                carla_stderr("Failed to compile JSFX");
+        }
 
         // initialize the block size and sample rate
         // loading the chunk can invoke @slider which makes computations based on these
@@ -854,10 +858,13 @@ public:
         // ---------------------------------------------------------------
         // get info
 
-        if (!fEffect->readHeader(*fPathLibrary, filename))
         {
-            pData->engine->setLastError("Cannot read the JSFX header");
-            return false;
+            const CarlaScopedLocale csl;
+            if (!fEffect->readHeader(*fPathLibrary, filename))
+            {
+                pData->engine->setLastError("Cannot read the JSFX header");
+                return false;
+            }
         }
 
         // jsusfx lacks validity checks currently,

source/backend/utils/CachedPlugins.cpp

@@ -20,6 +20,7 @@
 #include "CarlaNative.h"
 #include "CarlaString.hpp"
 #include "CarlaBackendUtils.hpp"
+#include "CarlaScopeUtils.hpp"
 #include "CarlaLv2Utils.hpp"
 #include "CarlaJsfxUtils.hpp"
 
@@ -673,10 +674,13 @@ static const CarlaCachedPluginInfo* get_cached_plugin_jsfx(const water::File& fi
     name = file.getFileNameWithoutExtension().toRawUTF8();
     filename = file.getFullPathName().toRawUTF8();
 
-    if (!effect.readHeader(pathLibrary, filename.buffer()))
     {
-        info.valid = false;
-        return &info;
+        const CarlaScopedLocale csl;
+        if (!effect.readHeader(pathLibrary, filename.buffer()))
+        {
+            info.valid = false;
+            return &info;
+        }
     }
     if (effect.desc[0] == '\0')
     {

source/discovery/carla-discovery.cpp

@@ -18,6 +18,7 @@
 #include "CarlaBackendUtils.hpp"
 #include "CarlaLibUtils.hpp"
 #include "CarlaMathUtils.hpp"
+#include "CarlaScopeUtils.hpp"
 #include "CarlaMIDI.h"
 #include "LinkedList.hpp"
 
@@ -1689,10 +1690,13 @@ static void do_jsfx_check(const char* const filename, bool doInit)
             JsusFx::kCompileFlag_CompileSerializeSection |
             JsusFx::kCompileFlag_CompileGraphicsSection;
 
-        if (!effect.compile(pathLibrary, filename, compileFlags))
         {
-            DISCOVERY_OUT("error", "Cannot compile the JSFX plugin");
-            return;
+            const CarlaScopedLocale csl;
+            if (!effect.compile(pathLibrary, filename, compileFlags))
+            {
+                DISCOVERY_OUT("error", "Cannot compile the JSFX plugin");
+                return;
+            }
         }
 
 #if 0 // TODO(jsfx) when supporting custom graphics
@@ -1703,6 +1707,7 @@ static void do_jsfx_check(const char* const filename, bool doInit)
     }
     else
     {
+        const CarlaScopedLocale csl;
         if (!effect.readHeader(pathLibrary, filename))
         {
             DISCOVERY_OUT("error", "Cannot read the JSFX header");