From: stephan <stephan@noemail.net>
Date: Tue, 21 Jul 2026 13:28:52 +0000 (+0000)
Subject: This embeds sqlite3.wasm into sqlite3.js/mjs as base64 but is applied globally -... 
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=bee0db8c602a30551633e8775988393163e14f7e;p=thirdparty%2Fsqlite.git

This embeds sqlite3.wasm into sqlite3.js/mjs as base64 but is applied globally - it still needs to be made configurable.

FossilOrigin-Name: 0467a0f826b5b7bb65d9c74df80c7443f01824c1cc8184417849a74791f491b7
---

diff --git a/ext/wasm/api/pre-js.c-pp.js b/ext/wasm/api/pre-js.c-pp.js
index 5c2e7a921e..c2d2a2784b 100644
--- a/ext/wasm/api/pre-js.c-pp.js
+++ b/ext/wasm/api/pre-js.c-pp.js
@@ -124,15 +124,20 @@
       return this.emscriptenInstantiateWasm(imports, onSuccess);
     }
     const sims = this;
-//#if defined sqlite3.wasm.base64
+//#// \
+{/*
+  The following block uses //% as a directive delimiter and is
+  replaced in a second pass after compilation of sqlite3.js.
+*/}
+//%if defined sqlite3.wasm.base64
     let b64Wasm = `
-//#base64
-//#include -raw [arg sqlite3.wasm.base64]
-//#/base64
+//%base64
+//%include -raw [arg sqlite3.wasm.base64]
+//%/base64
 `;
     const bytes = Uint8Array.fromBase64(b64Wasm);
     b64Wasm = null;
-    const finalThen = (arg) => {
+    const finalThen = (arg)=>{
       arg.imports = imports;
       sims.instantiateWasm = arg; /* used by sqlite3-api-prologue.c-pp.js */
       onSuccess(arg.instance, arg.module);
@@ -140,12 +145,14 @@
 
     WebAssembly.instantiate(bytes.buffer, imports)
       .then(finalThen)
-      .catch((err) => {
+      .catch((err)=>{
         console.error("Failed to instantiate embedded sqlite3.wasm", err);
+        throw err;
       });
 
-    return {}/* Emscripten interprets this to wait on async instantiation */;
-//#else
+    return {}/* Emscripten interprets this to wait on async instantiation
+                via onSuccess(). */;
+//%else
     const uri = Module.locateFile(
       sims.wasmFilename, (
         ('undefined'===typeof scriptDirectory/*var defined by Emscripten glue*/)
@@ -169,7 +176,7 @@
           .then(bytes => WebAssembly.instantiate(bytes, imports))
           .then(finalThen)
     return loadWasm();
-//#/if sqlite3.wasm.base64
+//%/if sqlite3.wasm.base64 pass 2
   }.bind(sIMS);
 //#/if Module.instantiateWasm and not wasmfs
 })(Module);
diff --git a/ext/wasm/mkwasmbuilds.c b/ext/wasm/mkwasmbuilds.c
index ba5e51b73a..bcec683e13 100644
--- a/ext/wasm/mkwasmbuilds.c
+++ b/ext/wasm/mkwasmbuilds.c
@@ -764,9 +764,13 @@ static void emit_api_js(char const *zBuildName){
 static void mk_lib_mode(const char *zBuildName, const BuildDef * pB){
   const char * zJsExt = BuildDef_jsext(pB);
   char const * const zBaseName = BuildDef_basename(pB);
+  char const * const zDotWasm = pB
+    ? (pB->zDotWasm ? pB->zDotWasm : zBaseName)
+    : 0;
 
   assert( oBuildDefs.vanilla.zEnv );
   assert( zBaseName );
+  assert( zDotWasm );
 
   pf("%s# Begin build [%s%s]. flags=0x%02x\n", zBanner,
      pB->zEmo, zBuildName, pB->flags);
@@ -879,6 +883,17 @@ static void mk_lib_mode(const char *zBuildName, const BuildDef * pB){
       pf("\t@$(call b.do.wasm-opt,%s)\n", zBuildName);
       pf("\t@$(call b.strip-js-emcc-bindings,$(logtag.%s))\n", zBuildName);
 
+      if( 1 ){
+        pf("\techo 'Embedding $(out.%s.wasm) into $@ ...'\n"
+           "\t@mv $@ $@.in\n"
+           "\t$(call b.c-pp.shcmd,%s,$@.in,$@,"
+           "\"--delimiter=//%%\" "
+           "\"-Dsqlite3.wasm.base64=$(out.%s.wasm)\""
+           ")\n",
+           zBuildName, zBuildName, zBuildName);
+        pf("\t@rm -f $@.in\n");
+      }
+
       if( CP_JS & pB->flags ){
         /*
         ** $(bin.emcc) will write out $@ and will create a like-named
diff --git a/manifest b/manifest
index 267f72f9fa..4185927a08 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C An\sinitial\sattempt\sat\sembedding\ssqlite3.wasm\sinto\ssqlite3.js\susing\sbase64.\sThis\sproduces\sa\schicken-egg\ssituation\sin\sthe\sbuild\sbecause\sthe\sinput\sfile\swhere\sthe\sblob\sbelongs\sis\sinjested\sby\semscripten\s(which\sgenerates\sthe\swasm\sfile\sfrom\swhich\sthat\sblob\sis\sto\sbe\sgenerated),\sso\sit\sdoes\snot\swork\sas-is\sbut\sis\sbeing\sset\saside\sfor\slater.\sWe'll\sneed\sto\sadd\sa\ssecond\spreprocessing\sstep\swhich\suses\sa\sdifferent\s#directive\sdelimiter\sto\skeep\sit\shidden\sinside\sthe\sfirst\spass,\sthen\ssqueeze\sthe\swasm\sfile\sin\sthrough\sthere.
-D 2026-07-21T12:57:48.902
+C This\sembeds\ssqlite3.wasm\sinto\ssqlite3.js/mjs\sas\sbase64\sbut\sis\sapplied\sglobally\s-\sit\sstill\sneeds\sto\sbe\smade\sconfigurable.
+D 2026-07-21T13:28:52.549
 F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -598,7 +598,7 @@ F ext/wasm/api/opfs-common-inline.c-pp.js 496ca858af09b7fef2efaece467960611d35f5
 F ext/wasm/api/opfs-common-shared.c-pp.js 9a9019bcc070d7c90829af5f5eb81d25135bf9543944a691631c0184f0c62416
 F ext/wasm/api/post-js-footer.js a50c1a2c4d008aede7b2aa1f18891a7ee71437c2f415b8aeb3db237ddce2935b
 F ext/wasm/api/post-js-header.js f35d2dcf1ab7f22a93d565f8e0b622a2934fc4e743edf3b708e4dd8140eeff55
-F ext/wasm/api/pre-js.c-pp.js c50ae08280f3ba27f4a466e27b612f09adf86b46ae66040aebf49d1842d572b9
+F ext/wasm/api/pre-js.c-pp.js 35b2ae330c8098f585fe2bf2bb3404cfa0b12ff46671d825687b1c79c1ec4ac4
 F ext/wasm/api/sqlite3-api-glue.c-pp.js 31a721ada7225838a61310a9f3f797fa5275353f8e9b0ae769d85b437be061f5
 F ext/wasm/api/sqlite3-api-oo1.c-pp.js 35e4727010f15fd72ead0dd1eb4e3c2c9bb1cc60e51544cbdff1f7c14f209de2
 F ext/wasm/api/sqlite3-api-prologue.js 0084e15d66fbcd75cacbaa58e3b473d5e57082c30f3122be7fdadff5589cf6b6
@@ -638,7 +638,7 @@ F ext/wasm/jaccwabyt/jaccwabyt.js 4e2b797dc170851c9c530c3567679f4aa509eec0fab73b
 F ext/wasm/jaccwabyt/jaccwabyt.md 6aa90fa1a973d0ad10d077088bea163b241d8470c75eafdef87620a1de1dea41
 F ext/wasm/libcmpp.c 5296a720aa95795617335fa0b3b4da5ea48150132251b85ca131bc6f2a21b066
 F ext/wasm/mkdist.sh f8883b077a2ca47cf92e6f0ce305fbf72ca648c3501810125056c4b09c2d5554 x
-F ext/wasm/mkwasmbuilds.c 3402400b432f7bff5eb9f4c65e99636b9c928a92cec37d8a9b6790ed578e57bd
+F ext/wasm/mkwasmbuilds.c 412296dad75252cfd3f4c71288aa4947ec2da93287b336bdc0cec958f784b11f
 F ext/wasm/module-symbols.html e54f42112e0aac2a31f850ab33e7f2630a2ea4f63496f484a12469a2501e07e2
 F ext/wasm/scratchpad-wasmfs.html a3d7388f3c4b263676b58b526846e9d02dfcb4014ff29d3a5040935286af5b96
 F ext/wasm/scratchpad-wasmfs.mjs 66034b9256b218de59248aad796760a1584c1dd842231505895eff00dbd57c63
@@ -2217,11 +2217,8 @@ F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee
 F tool/warnings.sh a554d13f6e5cf3760f041b87939e3d616ec6961859c3245e8ef701d1eafc2ca2
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
 F tool/winmain.c 00c8fb88e365c9017db14c73d3c78af62194d9644feaf60e220ab0f411f3604c
-P 06f3bbc5bddc2e763042f8b487a3deedf47c54b7fa785ba6fd6abd524b4cbe3a
-R 17e18b90e1608e97dcf702df348ee49d
-T *branch * wasm-base64
-T *sym-wasm-base64 *
-T -sym-trunk * Cancelled\sby\sbranch.
+P 538199cf62f07a2fe7ee5775c9f01aff1644d638bc0916cf631d61376462b5cb
+R cfcfa8bc897c97c9b5ebf70867bb8fcf
 U stephan
-Z 745a489ee2ca72e98a604082d182941a
+Z 45cbe61cb9c192f82469f625e6cedbe8
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index db956d6be1..61bd54f428 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-538199cf62f07a2fe7ee5775c9f01aff1644d638bc0916cf631d61376462b5cb
+0467a0f826b5b7bb65d9c74df80c7443f01824c1cc8184417849a74791f491b7