Minor internal cleanups and additional test metrics.

FossilOrigin-Name: fa0a6b6e8e6c711585bca30357e465f7a2f08a1c7159ecf23031af1e5158b89d

ext/jni/src/c/sqlite3-jni.c

@@ -1103,6 +1103,7 @@ static PerDbStateJni * PerDbStateJni_alloc(JNIEnv * const env, sqlite3 *pDb,
   return rv;
 }
 
+#if 0
 static void PerDbStateJni_dump(PerDbStateJni *s){
   MARKER(("PerDbStateJni->env @ %p\n", s->env));
   MARKER(("PerDbStateJni->pDb @ %p\n", s->pDb));
@@ -1113,6 +1114,7 @@ static void PerDbStateJni_dump(PerDbStateJni *s){
   MARKER(("PerDbStateJni->busyHandler.jObj @ %p\n", s->busyHandler.jObj));
   MARKER(("PerDbStateJni->env @ %p\n", s->env));
 }
+#endif
 
 /**
    Returns the PerDbStateJni object for the given db. If allocIfNeeded is
@@ -1554,7 +1556,8 @@ typedef void (*udf_xFinal_f)(sqlite3_context*);
 /**
    State for binding Java-side UDFs.
 */
-typedef struct {
+typedef struct UDFState UDFState;
+struct UDFState {
   JNIEnv * env;         /* env registered from */;
   jobject jObj          /* SQLFunction instance */;
   jclass klazz          /* jObj's class */;
@@ -1566,7 +1569,7 @@ typedef struct {
   jmethodID jmidxFinal;
   jmethodID jmidxValue;
   jmethodID jmidxInverse;
-} UDFState;
+};
 
 static UDFState * UDFState_alloc(JNIEnv * const env, jobject jObj){
   UDFState * const s = sqlite3_malloc(sizeof(UDFState));
@@ -2019,18 +2022,13 @@ static jint s3jni_close_db(JNIEnv * const env, jobject jDb, int version){
   int rc = 0;
   PerDbStateJni * ps = 0;
   assert(version == 1 || version == 2);
-  if(0){
-    PerDbStateJni * s = S3Global.perDb.aUsed;
-    for( ; s; s = s->pNext){
-      PerDbStateJni_dump(s);
-    }
-  }
   ps = PerDbStateJni_for_db(env, jDb, 0, 0);
-  if(!ps) return rc;
+  if(ps){
-  rc = 1==version ? (jint)sqlite3_close(ps->pDb) : (jint)sqlite3_close_v2(ps->pDb);
+    rc = 1==version ? (jint)sqlite3_close(ps->pDb) : (jint)sqlite3_close_v2(ps->pDb);
-  if(ps) PerDbStateJni_set_aside(ps)
+    PerDbStateJni_set_aside(ps)
-           /* MUST come after close() because of ps->trace. */;
+      /* MUST come after close() because of ps->trace. */;
-  NativePointerHolder_set(env, jDb, 0, S3ClassNames.sqlite3);
+    NativePointerHolder_set(env, jDb, 0, S3ClassNames.sqlite3);
+  }
   return (jint)rc;
 }
 
@@ -2053,15 +2051,18 @@ static unsigned int s3jni_utf16_strlen(void const * z){
   return i;
 }
 
+/**
+   sqlite3_collation_needed16() hook impl.
+ */
 static void s3jni_collation_needed_impl16(void *pState, sqlite3 *pDb,
                                           int eTextRep, const void * z16Name){
   PerDbStateJni * const ps = pState;
   JNIEnv * const env = ps->env;
   unsigned int const nName = s3jni_utf16_strlen(z16Name);
-  jstring jName;
+  jstring jName = (*env)->NewString(env, (jchar const *)z16Name, nName);
-  jName  = (*env)->NewString(env, (jchar const *)z16Name, nName);
+  IFTHREW{
-  IFTHREW {
     s3jni_db_error(ps->pDb, SQLITE_NOMEM, 0);
+    EXCEPTION_CLEAR;
   }else{
     (*env)->CallVoidMethod(env, ps->collationNeeded.jObj,
                            ps->collationNeeded.midCallback,
@@ -2082,7 +2083,8 @@ JDECL(jint,1collation_1needed)(JENV_CSELF, jobject jDb, jobject jHook){
   jmethodID xCallback;
   JniHookState * const pHook = &ps->collationNeeded;
   int rc;
-  if(!ps) return SQLITE_MISUSE;
+
+  if( !ps ) return SQLITE_MISUSE;
   pOld = pHook->jObj;
   if(pOld && jHook &&
      (*env)->IsSameObject(env, pOld, jHook)){
@@ -3291,13 +3293,15 @@ JDECL(void,1do_1something_1for_1developer)(JENV_CSELF){
   puts("sizeofs:");
 #define SO(T) printf("\tsizeof(" #T ") = %u\n", (unsigned)sizeof(T))
   SO(void*);
-  SO(JniHookState);
   SO(JNIEnvCache);
+  SO(JniHookState);
   SO(PerDbStateJni);
-  SO(S3Global);
   SO(S3ClassNames);
   printf("\t(^^^ %u NativePointerHolder subclasses)\n",
          (unsigned)(sizeof(S3ClassNames) / sizeof(const char *)));
+  SO(S3Global);
+  SO(S3JniAutoExtension);
+  SO(UDFState);
   printf("Cache info:\n");
   printf("\tNativePointerHolder cache: %u misses, %u hits\n",
          S3Global.metrics.nphCacheMisses,

ext/jni/src/org/sqlite/jni/AutoExtension.java

@@ -21,9 +21,9 @@ public interface AutoExtension {
      Must function as described for the sqlite3_auto_extension(),
      with the caveat that the signature is more limited.
 
-     As an exception to the callbacks-must-not-throw rule,
+     As an exception (as it were) to the callbacks-must-not-throw
-     AutoExtensions may do so and the exception's error
+     rule, AutoExtensions may do so and the exception's error message
-     message will be set as the db's error string.
+     will be set as the db's error string.
   */
   int xEntryPoint(sqlite3 db);
 }

ext/jni/src/org/sqlite/jni/SQLite3Jni.java

@@ -475,6 +475,11 @@ public final class SQLite3Jni {
      heed. Passing the object to sqlite3_close() or sqlite3_close_v2()
      will clear that pointer mapping.
 
+     Recall that even if opening fails, the output pointer might be
+     non-null. Any error message about the failure will be in that
+     object and it is up to the caller to sqlite3_close() that
+     db handle.
+
      Pedantic note: though any number of Java-level sqlite3 objects
      may refer to/wrap a single C-level (sqlite3*), the JNI internals
      take a reference to the object which is passed to sqlite3_open()

ext/jni/src/org/sqlite/jni/Tester1.java

@@ -1076,6 +1076,26 @@ public class Tester1 {
     outln("Tests done. Metrics:");
     outln("\tAssertions checked: "+affirmCount);
     outln("\tDatabases opened: "+metrics.dbOpen);
+
+    int nMethods = 0;
+    int nNatives = 0;
+    final java.lang.reflect.Method[] declaredMethods =
+      SQLite3Jni.class.getDeclaredMethods();
+    for(java.lang.reflect.Method m : declaredMethods){
+      int mod = m.getModifiers();
+      if( 0!=(mod & java.lang.reflect.Modifier.STATIC) ){
+        final String name = m.getName();
+        if(name.startsWith("sqlite3_")){
+          ++nMethods;
+          if( 0!=(mod & java.lang.reflect.Modifier.NATIVE) ){
+            ++nNatives;
+          }
+        }
+      }
+    }
+    outln("\tSQLite3Jni sqlite3_*() methods: "+
+          nNatives+" native methods and "+
+          (nMethods - nNatives)+" Java impls");
     outln("\tTotal time = "
           +((timeEnd - timeStart)/1000000.0)+"ms");
   }

manifest

@@ -1,5 +1,5 @@
-C Bind\sthe\sauto-extension\sAPIs\sto\sJNI.
+C Minor\sinternal\scleanups\sand\sadditional\stest\smetrics.
-D 2023-08-07T00:06:31.250
+D 2023-08-07T00:29:38.785
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -232,10 +232,10 @@ F ext/icu/icu.c c074519b46baa484bb5396c7e01e051034da8884bad1a1cb7f09bbe6be3f0282
 F ext/icu/sqliteicu.h fa373836ed5a1ee7478bdf8a1650689294e41d0c89c1daab26e9ae78a32075a8
 F ext/jni/GNUmakefile 61d9bbc179a49523a142928455b3297779b9c40f25783ecf1538279e426cbc99
 F ext/jni/README.md e965674505e105626127ad45e628e4d19fcd379cdafc4d23c814c1ac2c55681d
-F ext/jni/src/c/sqlite3-jni.c 406f3fe36661b3628d108a912246b48cafd7fcc1f8b30a563ce6806addb30d71
+F ext/jni/src/c/sqlite3-jni.c a59464adb77c0d2c539483b4d09b8c547dc97c73cf7f26b4934602c8cd4da28d
 F ext/jni/src/c/sqlite3-jni.h 68d219dd351676e819deb38926ebcee0fda141403ce4efa60c3d8bd77993d220
 F ext/jni/src/org/sqlite/jni/Authorizer.java 1308988f7f40579ea0e4deeaec3c6be971630566bd021c31367fe3f5140db892
-F ext/jni/src/org/sqlite/jni/AutoExtension.java aac84ec21c93306ff5c6ff3b0130de5b76f265dfbc8f7cd158d62cfb8384ff57
+F ext/jni/src/org/sqlite/jni/AutoExtension.java 3409ad8954d6466bf772e6be9379e0e337312b446b668287062845755a16844d
 F ext/jni/src/org/sqlite/jni/BusyHandler.java 1b1d3e5c86cd796a0580c81b6af6550ad943baa25e47ada0dcca3aff3ebe978c
 F ext/jni/src/org/sqlite/jni/Collation.java 8dffbb00938007ad0967b2ab424d3c908413af1bbd3d212b9c9899910f1218d1
 F ext/jni/src/org/sqlite/jni/CollationNeeded.java ebc7cd96d46a70daa76016a308e80f70a3f21d3282787c8d139aa840fdcb1bd7
@@ -251,8 +251,8 @@ F ext/jni/src/org/sqlite/jni/OutputPointer.java 053ea7dbc1234dd70b8948009a52a3f1
 F ext/jni/src/org/sqlite/jni/ProgressHandler.java 5979450e996416d28543f1d42634d308439565a99332a8bd84e424af667116cc
 F ext/jni/src/org/sqlite/jni/RollbackHook.java b04c8abcc6ade44a8a57129e33765793f69df0ba909e49ba18d73f4268d92564
 F ext/jni/src/org/sqlite/jni/SQLFunction.java 09ce81c1c637e31c3a830d4c859cce95d65f5e02ff45f8bd1985b3479381bc46
-F ext/jni/src/org/sqlite/jni/SQLite3Jni.java 9af0e0ea79db59d5c4dac13f70031dd5069223d8198f7324f8c1c25e60451e8c
+F ext/jni/src/org/sqlite/jni/SQLite3Jni.java e43d17ef7601d6294fa5ba7e15a2be2bcb819b41f4fe0ac069ce45e324b5a928
-F ext/jni/src/org/sqlite/jni/Tester1.java 63fc2f58b3a5abdad8bd41ff4a1b2572c24fa9246c17a3fcab07dc6adf06ff35
+F ext/jni/src/org/sqlite/jni/Tester1.java 762c866e3c401f8de2551e8bdc5252f5943693fe6bbbace82c3af984c190a0fd
 F ext/jni/src/org/sqlite/jni/TesterFts5.java cf2d687baafffdeba219b77cf611fd47a0556248820ea794ae3e8259bfbdc5ee
 F ext/jni/src/org/sqlite/jni/Tracer.java a5cece9f947b0af27669b8baec300b6dd7ff859c3e6a6e4a1bd8b50f9714775d
 F ext/jni/src/org/sqlite/jni/UpdateHook.java e58645a1727f8a9bbe72dc072ec5b40d9f9362cb0aa24acfe93f49ff56a9016d
@@ -2083,8 +2083,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 34da294ab558880e81eebd7d261bc590551d5a7d2855e844695cef6394647ea7
+P 746a5fa079ad80b3c59411202ee601e0b5c50e79e5994d5e464fa06d3c276324
-R 8af70828073a693d0f965376a6f73a57
+R 07d630346a076501319c1423eea49390
 U stephan
-Z 18db46b387e0d752e217b2db93c72ada
+Z bdddfbdfa46e3004c7cc7a21bdb63878
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-746a5fa079ad80b3c59411202ee601e0b5c50e79e5994d5e464fa06d3c276324
+fa0a6b6e8e6c711585bca30357e465f7a2f08a1c7159ecf23031af1e5158b89d