quickjs-tart

commit aa071962b81d60485d5c4032d5e49ec0c92d1116
parent 248834b1b48905ff29d52d6f14ff5abda175a4d9
Author: Florian Dold <florian@dold.me>
Date:   Fri, 12 Jan 2024 13:30:14 +0100

more logging for sqlite3

Diffstat:
M
qtart.c
 | 
24
++++++++++++++++++++++++
M
tart_module.c
 | 
5
+++++

2 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/qtart.c b/qtart.c
@@ -305,6 +305,23 @@ handle_host_message(void *cls, const char *msg)
     printf("message from JS to host: %s\n", msg);
 }
 
+static JSValue js_native_log(JSContext *ctx,
+                             JSValueConst this_obj,
+                             int argc, JSValueConst *argv)
+{
+    const char *tag = NULL;
+    const char *msg = NULL;
+    uint32_t level = 0;
+
+    JS_ToUint32(ctx, &level, argv[0]);
+    tag = JS_ToCString(ctx, argv[1]);
+    msg = JS_ToCString(ctx, argv[2]);
+    printf("log: %u, %s, %s\n", (unsigned int) level, tag, msg);
+    JS_FreeCString(ctx, tag);
+    JS_FreeCString(ctx, msg);
+    return JS_UNDEFINED;
+}
+
 int main(int argc, char **argv)
 {
     JSRuntime *rt;
@@ -455,8 +472,15 @@ int main(int argc, char **argv)
                                         NULL);
     
     if (!empty_run) {
+        JSValue global_obj;
+
         js_std_add_helpers(ctx, argc - optind, argv + optind);
 
+        global_obj = JS_GetGlobalObject(ctx);
+        JS_SetPropertyStr(ctx, global_obj, "__nativeLog",
+                          JS_NewCFunction(ctx, js_native_log, "__nativeLog", 3));
+        JS_FreeValue(ctx, global_obj);
+
         /* make 'std', 'os' and 'tart' visible to non module code */
         if (load_std) {
             const char *str = "import * as std from 'std';\n"
diff --git a/tart_module.c b/tart_module.c
@@ -1598,6 +1598,7 @@ static JSValue js_sqlite3_open(JSContext *ctx, JSValue this_val,
         goto done;
     }
 
+    fprintf(stderr, "opening sqlite3 db at %s", filename),
     ret = sqlite3_open_v2(filename, &sqlite3_db, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, NULL);
     if (SQLITE_OK != ret) {
         if (NULL == sqlite3_db) {
@@ -1605,7 +1606,11 @@ static JSValue js_sqlite3_open(JSContext *ctx, JSValue this_val,
           ret_val = JS_ThrowInternalError(ctx, "unable to open database (OOM)");
         } else {
           // get error details from DB before we close it
+          fprintf(stderr, "sqlite3_open failed: %s / %s\n",
+                  sqlite3_errstr(ret),
+                  sqlite3_errmsg(sqlite3_db));
           ret_val = throw_sqlite3_error(ctx, sqlite3_db);
+          fprintf(stderr, "calling sqlite3 close on failed db\n");
           (void)sqlite3_close_v2(sqlite3_db);
         }
         goto done;