wasm/js: rename /persistent to /opfs to account for potential future persistent storage options. Minor flag-handling cleanups in the speedtest1 pages. Minor API tweaks in oo1.

FossilOrigin-Name: 4dc972a3656b2a9ec915bfb3f653136560c753ce4024c3f0d0d0c28f66db7a0a

ext/wasm/api/sqlite3-api-oo1.js

@@ -495,24 +495,25 @@ self.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
       }
     },
     /**
-       Similar to this.filename but will return a falsy value for
-       special names like ":memory:". Throws if the DB has been
-       closed. If passed an argument it then it will return the
+       Similar to the this.filename property but will return a falsy
+       value for special names like ":memory:". Throws if the DB has
+       been closed. If passed an argument it then it will return the
        filename of the ATTACHEd db with that name, else it assumes a
-       name of `main`.
+       name of `main`. The argument may be either a JS string or
+       a pointer to a WASM-allocated C-string.
     */
     getFilename: function(dbName='main'){
       return capi.sqlite3_db_filename(affirmDbOpen(this).pointer, dbName);
     },
     /**
        Returns true if this db instance has a name which resolves to a
-       file. If the name is "" or ":memory:", it resolves to false.
+       file. If the name is "" or starts with ":", it resolves to false.
        Note that it is not aware of the peculiarities of URI-style
        names and a URI-style name for a ":memory:" db will fool it.
        Returns false if this db is closed.
     */
     hasFilename: function(){
-      return this.filename && ':memory'!==this.filename;
+      return this.filename && ':'!==this.filename[0];
     },
     /**
        Returns the name of the given 0-based db number, as documented
@@ -525,9 +526,13 @@ self.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
        Compiles the given SQL and returns a prepared Stmt. This is
        the only way to create new Stmt objects. Throws on error.
 
-       The given SQL must be a string, a Uint8Array holding SQL, or a
-       WASM pointer to memory holding the NUL-terminated SQL string.
-       If the SQL contains no statements, an SQLite3Error is thrown.
+       The given SQL must be a string, a Uint8Array holding SQL, a
+       WASM pointer to memory holding the NUL-terminated SQL string,
+       or an array of strings. In the latter case, the array is
+       concatenated together, with no separators, to form the SQL
+       string (arrays are often a convenient way to formulate long
+       statements).  If the SQL contains no statements, an
+       SQLite3Error is thrown.
 
        Design note: the C API permits empty SQL, reporting it as a 0
        result code and a NULL stmt pointer. Supporting that case here
@@ -541,6 +546,7 @@ self.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
     */
     prepare: function(sql){
       affirmDbOpen(this);
+      if(Array.isArray(sql)) sql = sql.join('');
       const stack = capi.wasm.scopedAllocPush();
       let ppStmt, pStmt;
       try{

ext/wasm/api/sqlite3-api-opfs.js

@@ -883,12 +883,15 @@ sqlite3.installOpfsVfs = function callee(asyncProxyUri = callee.defaultProxyUri)
        hook in to any C-side calls to sqlite3_initialize(), so we
        cannot add an after-initialize callback mechanism.
     */
-    opfsUtil.reregisterVfs = (asDefault=false)=>{
+    opfsUtil.registerVfs = (asDefault=false)=>{
       return capi.wasm.exports.sqlite3_vfs_register(
         opfsVfs.pointer, asDefault ? 1 : 0
       );
     };
-    
+
+    //TODO to support fiddle db upload:
+    //opfsUtil.createFile = function(absName, content=undefined){...}
+
     if(sqlite3.oo1){
       opfsUtil.OpfsDb = function(...args){
         const opt = sqlite3.oo1.dbCtorHelper.normalizeArgs(...args);

ext/wasm/api/sqlite3-api-prologue.js

@@ -120,7 +120,7 @@
      the `free(3)`-compatible routine for the WASM
      environment. Defaults to `"free"`.
 
-   - `persistentDirName`[^1]: if the environment supports persistent storage, this
+   - `wasmfsOpfsDir`[^1]: if the environment supports persistent storage, this
      directory names the "mount point" for that directory. It must be prefixed
      by `/` and may currently contain only a single directory-name part. Using
      the root directory name is not supported by any current persistent backend.
@@ -157,7 +157,7 @@ self.sqlite3ApiBootstrap = function sqlite3ApiBootstrap(
       })(),
       allocExportName: 'malloc',
       deallocExportName: 'free',
-      persistentDirName: '/persistent'
+      wasmfsOpfsDir: '/opfs'
     };
     Object.keys(configDefaults).forEach(function(k){
       config[k] = Object.getOwnPropertyDescriptor(apiConfig, k)
@@ -174,7 +174,7 @@ self.sqlite3ApiBootstrap = function sqlite3ApiBootstrap(
   [
     // If any of these config options are functions, replace them with
     // the result of calling that function...
-    'Module', 'exports', 'memory', 'persistentDirName'
+    'Module', 'exports', 'memory', 'wasmfsOpfsDir'
   ].forEach((k)=>{
     if('function' === typeof config[k]){
       config[k] = config[k]();
@@ -185,8 +185,8 @@ self.sqlite3ApiBootstrap = function sqlite3ApiBootstrap(
       all args with a space between each. */
   const toss = (...args)=>{throw new Error(args.join(' '))};
 
-  if(config.persistentDirName && !/^\/[^/]+$/.test(config.persistentDirName)){
-    toss("config.persistentDirName must be falsy or in the form '/dir-name'.");
+  if(config.wasmfsOpfsDir && !/^\/[^/]+$/.test(config.wasmfsOpfsDir)){
+    toss("config.wasmfsOpfsDir must be falsy or in the form '/dir-name'.");
   }
 
   /**
@@ -727,7 +727,7 @@ self.sqlite3ApiBootstrap = function sqlite3ApiBootstrap(
   capi.sqlite3_web_persistent_dir = function(){
     if(undefined !== __persistentDir) return __persistentDir;
     // If we have no OPFS, there is no persistent dir
-    const pdir = config.persistentDirName;
+    const pdir = config.wasmfsOpfsDir;
     if(!pdir
        || !self.FileSystemHandle
        || !self.FileSystemDirectoryHandle
@@ -748,7 +748,6 @@ self.sqlite3ApiBootstrap = function sqlite3ApiBootstrap(
         const pVfs = sqlite3.capi.sqlite3_vfs_find("unix-none");
         if(pVfs){
           capi.sqlite3_vfs_register(pVfs,1);
-          console.warn("Installed 'unix-none' as the default sqlite3 VFS.");
         }
         return __persistentDir = pdir;
       }else{

ext/wasm/api/sqlite3-wasm.c

@@ -571,7 +571,7 @@ int sqlite3_wasm_vfs_unlink(const char * zName){
 WASM_KEEP
 int sqlite3_wasm_init_wasmfs(const char *zMountPoint){
   static backend_t pOpfs = 0;
-  if( !zMountPoint || !*zMountPoint ) zMountPoint = "/persistent";
+  if( !zMountPoint || !*zMountPoint ) zMountPoint = "/opfs";
   if( !pOpfs ){
     pOpfs = wasmfs_create_opfs_backend();
     if( pOpfs ){
@@ -595,7 +595,8 @@ int sqlite3_wasm_init_wasmfs(const char *zMountPoint){
 }
 #else
 WASM_KEEP
-int sqlite3_wasm_init_wasmfs(void){
+int sqlite3_wasm_init_wasmfs(const char *zUnused){
+  if(zUnused){/*unused*/}
   return SQLITE_NOTFOUND;
 }
 #endif /* __EMSCRIPTEN__ && SQLITE_WASM_WASMFS */