wasm: after generating the .js/.mjs file, strip out all of the generated pieces which...

FossilOrigin-Name: 020d2c7528be6f11a5b2b849d7b2f04e47abe2b0842520ff60eb7defb3768e1c

diff --git a/ext/wasm/GNUmakefile b/ext/wasm/GNUmakefile
index 6f226fbb4f808ec65ac73aff73df7f9bef63ec0c..ad6fafacc7dde93b0c688a810e5cad130f08886e 100644 (file)
--- a/ext/wasm/GNUmakefile
+++ b/ext/wasm/GNUmakefile
@@ -1052,6 +1052,7 @@ $(speedtest1.js): $(MAKEFILE) $(speedtest1.cfiles) \
         $(speedtest1.exit-runtime0) \
         -o $@ $(speedtest1.cfiles) -lm
        $(maybe-wasm-strip) $(speedtest1.wasm)
+       sed -i -e '/^var _sqlite3.*createExportWrapper/d' $@
        chmod -x $(speedtest1.wasm)
        ls -la $@ $(speedtest1.wasm)
 

diff --git a/ext/wasm/mkwasmbuilds.c b/ext/wasm/mkwasmbuilds.c
index 29b6cafae9b21976a9630fbd360369f1637e135e..d7a9a3e71c5e81f6ddfddc53a30cb1405242bf4c 100644 (file)
--- a/ext/wasm/mkwasmbuilds.c
+++ b/ext/wasm/mkwasmbuilds.c
@@ -75,7 +75,7 @@ static void mk_pre_post(const char *zName  /* build name */,
                         const char *zMode  /* build mode */,
                         const char *zCmppD /* optional -D flags for c-pp for the
                                            ** --pre/--post-js files. */){
-  pf("%s# Begin --pre/--post flags for %s-%s\n", zBanner, zName, zMode);
+  pf("%s# Begin --pre/--post flags for %s-%s\n", zBanner, zNM);
   pf("c-pp.D.%s-%s := %s\n", zNM, zCmppD ? zCmppD : "");
   pf("pre-post-%s-%s.flags ?=\n", zNM);
 
@@ -130,7 +130,7 @@ static void mk_pre_post(const char *zName  /* build name */,
      zNM, zNM, zNM);
   pf("pre-post-%s-%s.deps := $(pre-post-jses.%s-%s.deps) $(dir.tmp)/pre-js.%s-%s.js\n",
      zNM, zNM, zNM);
-  pf("# End --pre/--post flags for %s-%s%s", zName, zMode, zBanner);
+  pf("# End --pre/--post flags for %s-%s%s", zNM, zBanner);
 }
 
 /*
@@ -233,6 +233,13 @@ static void mk_lib_mode(const char *zName     /* build name */,
   pf("\t@dotwasm=$(basename $@).wasm; \\\n"
      "\tchmod -x $$dotwasm; \\\n"
      "\t$(maybe-wasm-strip) $$dotwasm; \\\n");
+  pf("\tsed -i -e '/^var _sqlite3.*createExportWrapper/d' %s; \\\n"
+     "\techo 'Stripped out createExportWrapper() parts.'; \\\n",
+     zJsOut) /* Our JS code installs bindings of each WASM export. The
+                generated Emscripten JS file does the same using its
+                own framework, but we don't use those results and can
+                speed up lib init, and reduce memory cost
+                considerably, by stripping them out. */;
   /*
   ** The above $(emcc.bin) call will write zJsOut and will create a
   ** like-named .wasm file. That .wasm file name gets hard-coded into

diff --git a/manifest b/manifest
index 29cdb16be1b8e623c8ccae5082b0726b97466a98..211eaabd00731434b85b59ed2a1af6b243282037 100644 (file)
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C When\sgenerating\sthe\sautoconf\ssnapshot,\sreplaces\sthe\sLibs.private\sline\sfrom\ssqlite3.pc.in\swith\sone\scompatible\swith\sthe\slegacy\sbuild,\sas\sreported\sin\s[forum:e40b9b424a|forum\spost\se40b9b424a].
-D 2025-01-16T12:15:51.633
+C wasm:\safter\sgenerating\sthe\s.js/.mjs\sfile,\sstrip\sout\sall\sof\sthe\sgenerated\spieces\swhich\screate\sEmscripten\scall()\sbindings\sfor\sthe\ssqlite3\sAPIs,\sas\swe\sdon't\suse\sthose\sbinding,\sso\sboth\sthe\ssetup\stime\sand\sthe\smemory\sthey\suse\sinstalling\sWASM\sproxy\sbindings\sis\swasted.\sThis\seliminates\ssome\s200\ssuperfluous/unused\sbindings\sfrom\sthe\sinit\sprocess.
+D 2025-01-16T13:10:06.949
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md e108e1e69ae8e8a59e93c455654b8ac9356a11720d3345df2a4743e9590fb20d
@@ -618,7 +618,7 @@ F ext/session/sqlite3session.c d6f5e3e83b9b0bbc4a8db4837284f0ecc6af5321d4c8e7136
 F ext/session/sqlite3session.h 683ccbf16e2c2521661fc4c1cf918ce57002039efbcabcd8097fa4bca569104b
 F ext/session/test_session.c 12e0a2c15fd60f92da4bb29c697c9177ff0c0dbcdc5129a54c47e999f147937a
 F ext/wasm/EXPORTED_FUNCTIONS.fiddle.in 27450c8b8c70875a260aca55435ec927068b34cef801a96205adb81bdcefc65c
-F ext/wasm/GNUmakefile 6b42d6de2316ae01a96d1b850932fcab0f2938affc27b48495776903f544a488
+F ext/wasm/GNUmakefile 78f49e47146d58fa44f9ac624627a718fba4b2b2baeaea641bcf6fed300c0f0d
 F ext/wasm/README-dist.txt 6382cb9548076fca472fb3330bbdba3a55c1ea0b180ff9253f084f07ff383576
 F ext/wasm/README.md a8a2962c3aebdf8d2104a9102e336c5554e78fc6072746e5daf9c61514e7d193
 F ext/wasm/SQLTester/GNUmakefile e0794f676d55819951bbfae45cc5e8d7818dc460492dc317ce7f0d2eca15caff
@@ -678,7 +678,7 @@ F ext/wasm/index-dist.html 564b5ec5669676482c5a25dea9e721d8eafed426ecb155f93d29a
 F ext/wasm/index.html e4bbffdb3d40eff12b3f9c7abedef91787e2935620b7f8d40f2c774b80ad8fa9
 F ext/wasm/jaccwabyt/jaccwabyt.js 1264710db3cfbcb6887d95665b7aeba60c1126eaef789ca4cf1a4a17d5bc7f54
 F ext/wasm/jaccwabyt/jaccwabyt.md 59a20df389abcc3606eb4eaea7fb7ba14504beb3e345dbea9b99a0618ba3bec8
-F ext/wasm/mkwasmbuilds.c e3580b26bc393e4e4beb25f6349b999878782f3319b740469f64c2e772632e03
+F ext/wasm/mkwasmbuilds.c af06fd14fcb7803c0adacab276047bb696c07f5b683a6f70adc5b3f146cf61f3
 F ext/wasm/module-symbols.html dc476b403369b26a1a23773e13b80f41b9a49f0825e81435fe3600a7cfbbe337
 F ext/wasm/scratchpad-wasmfs.html a3d7388f3c4b263676b58b526846e9d02dfcb4014ff29d3a5040935286af5b96
 F ext/wasm/scratchpad-wasmfs.mjs 66034b9256b218de59248aad796760a1584c1dd842231505895eff00dbd57c63
@@ -2205,8 +2205,8 @@ F tool/version-info.c 3b36468a90faf1bbd59c65fd0eb66522d9f941eedd364fabccd7227350
 F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
 F tool/warnings.sh 49a486c5069de041aedcbde4de178293e0463ae9918ecad7539eedf0ec77a139
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P 4863a70ac61ff6f868429f16f0141484ea98f973fde1a9aff879252d0f1dbb6b
-R e6fb17d788fe1bd29fcc394e2d7718b5
+P fe47154799bfefb12eb1209d9ada64ecac38bee1b7c3558d175215a2beba991d
+R 0d99f3ed7952e5d1d1a513615776937d
 U stephan
-Z e136bf1726024a0aa66f18035e95cfb5
+Z 6b1b963846ad84056f214255285f2dea
 # Remove this line to create a well-formed Fossil manifest.

diff --git a/manifest.uuid b/manifest.uuid
index 5c39a70ad1ea3a596a8fd31dbad7cdaacb597f61..57bfab27048a95758248684537b8823f2aa468eb 100644 (file)
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-fe47154799bfefb12eb1209d9ada64ecac38bee1b7c3558d175215a2beba991d
+020d2c7528be6f11a5b2b849d7b2f04e47abe2b0842520ff60eb7defb3768e1c