Somehow it was not saved

quickjs.c

@@ -1357,10 +1357,22 @@ static void js_trigger_gc(JSRuntime *rt, size_t size)
                    (uint64_t)rt->malloc_state.malloc_size);
         }
 #endif
+        //To ensure JS_RunGC cannot be executed again within callbacks.
+        size_t tmp_threshold = rt->malloc_gc_threshold;
+        rt->malloc_gc_threshold=-1;
+        
+        if((rt->malloc_gc_before_callback == NULL) || rt->malloc_gc_before_callback()){
             JS_RunGC(rt);
+            if(rt->malloc_gc_after_callback != NULL)rt->malloc_gc_after_callback();
+        }
+
+        rt->malloc_gc_threshold=tmp_threshold;
+
+        if(rt->malloc_gc_fix_threshold == FALSE) {
             rt->malloc_gc_threshold = rt->malloc_state.malloc_size +
                 (rt->malloc_state.malloc_size >> 1);
         }
+    }
 }
 
 static size_t js_malloc_usable_size_unknown(const void *ptr)
@@ -1626,6 +1638,10 @@ JSRuntime *JS_NewRuntime2(const JSMallocFunctions *mf, void *opaque)
     rt->malloc_state = ms;
     rt->malloc_gc_threshold = 256 * 1024;
 
+    rt->malloc_gc_fix_threshold = FALSE;
+    rt->malloc_gc_after_callback = NULL;
+    rt->malloc_gc_before_callback = NULL;
+
     bf_context_init(&rt->bf_ctx, js_bf_realloc, rt);
 
     init_list_head(&rt->context_list);
@@ -1768,6 +1784,28 @@ void JS_SetGCThreshold(JSRuntime *rt, size_t gc_threshold)
     rt->malloc_gc_threshold = gc_threshold;
 }
 
+size_t JS_GetGCThreshold(JSRuntime *rt)
+{
+    return rt->malloc_gc_threshold;
+}
+
+void JS_SetGCThresholdFixed(JSRuntime *rt, BOOL fix)
+{
+    rt->malloc_gc_fix_threshold = fix;
+}
+
+
+void JS_SetGCBeforeCallback(JSRuntime *rt, BOOL(*fn)())
+{
+    rt->malloc_gc_before_callback = fn;
+}
+
+void JS_SetGCAfterCallback(JSRuntime *rt, void(*fn)())
+{
+    rt->malloc_gc_after_callback = fn;
+}
+
+
 #define malloc(s) malloc_is_forbidden(s)
 #define free(p) free_is_forbidden(p)
 #define realloc(p,s) realloc_is_forbidden(p,s)
@@ -6638,7 +6676,7 @@ static JSValue JS_ThrowError2(JSContext *ctx, JSErrorEnum error_num,
                               const char *fmt, va_list ap, BOOL add_backtrace)
 {
     char buf[256];
-    JSValue obj, ret, msg;
+    JSValue obj, ret;
 
     vsnprintf(buf, sizeof(buf), fmt, ap);
     obj = JS_NewObjectProtoClass(ctx, ctx->native_error_proto[error_num],
@@ -6647,14 +6685,10 @@ static JSValue JS_ThrowError2(JSContext *ctx, JSErrorEnum error_num,
         /* out of memory: throw JS_NULL to avoid recursing */
         obj = JS_NULL;
     } else {
-        msg = JS_NewString(ctx, buf);
+        JS_DefinePropertyValue(ctx, obj, JS_ATOM_message,
-        if (JS_IsException(msg))
+                               JS_NewString(ctx, buf),
-            msg = JS_NewString(ctx, "Invalid error message");
-        if (!JS_IsException(msg)) {
-            JS_DefinePropertyValue(ctx, obj, JS_ATOM_message, msg,
                                JS_PROP_WRITABLE | JS_PROP_CONFIGURABLE);
     }
-    }
     if (add_backtrace) {
         build_backtrace(ctx, obj, NULL, 0, 0, 0);
     }
@@ -18640,33 +18674,11 @@ int __attribute__((format(printf, 2, 3))) js_parse_error(JSParseState *s, const
 
 static int js_parse_expect(JSParseState *s, int tok)
 {
-    char buf[ATOM_GET_STR_BUF_SIZE];
+    if (s->token.val != tok) {
-
+        /* XXX: dump token correctly in all cases */
-    if (s->token.val == tok)
+        return js_parse_error(s, "expecting '%c'", tok);
-        return next_token(s);
-
-    switch(s->token.val) {
-    case TOK_EOF:
-        return js_parse_error(s, "Unexpected end of input");
-    case TOK_NUMBER:
-        return js_parse_error(s, "Unexpected number");
-    case TOK_STRING:
-        return js_parse_error(s, "Unexpected string");
-    case TOK_TEMPLATE:
-        return js_parse_error(s, "Unexpected string template");
-    case TOK_REGEXP:
-        return js_parse_error(s, "Unexpected regexp");
-    case TOK_IDENT:
-        return js_parse_error(s, "Unexpected identifier '%s'",
-                              JS_AtomGetStr(s->ctx, buf, sizeof(buf),
-                                            s->token.u.ident.atom));
-    case TOK_ERROR:
-        return js_parse_error(s, "Invalid or unexpected token");
-    default:
-        return js_parse_error(s, "Unexpected token '%.*s'",
-                              (int)(s->buf_ptr - s->token.ptr),
-                              (const char *)s->token.ptr);
     }
+    return next_token(s);
 }
 
 static int js_parse_expect_semi(JSParseState *s)
@@ -20840,7 +20852,7 @@ static int __exception js_parse_property_name(JSParseState *s,
                 goto fail1;
             if (s->token.val == ':' || s->token.val == ',' ||
                 s->token.val == '}' || s->token.val == '(' ||
-                s->token.val == '=' ) {
+                s->token.val == '=') {
                 is_non_reserved_ident = TRUE;
                 goto ident_found;
             }
@@ -20856,7 +20868,8 @@ static int __exception js_parse_property_name(JSParseState *s,
             if (next_token(s))
                 goto fail1;
             if (s->token.val == ':' || s->token.val == ',' ||
-                s->token.val == '}' || s->token.val == '(') {
+                s->token.val == '}' || s->token.val == '(' ||
+                s->token.val == '=') {
                 is_non_reserved_ident = TRUE;
                 goto ident_found;
             }
@@ -21612,7 +21625,12 @@ static __exception int js_parse_class(JSParseState *s, BOOL is_class_expr,
                 goto fail;
             continue;
         }
-        is_static = (s->token.val == TOK_STATIC);
+        is_static = FALSE;
+        if (s->token.val == TOK_STATIC) {
+            int next = peek_token(s, TRUE);
+            if (!(next == ';' || next == '}' || next == '(' || next == '='))
+                is_static = TRUE;
+        }
         prop_type = -1;
         if (is_static) {
             if (next_token(s))

quickjs.h

@@ -303,9 +303,10 @@ JS_EXTERN void JS_SetMemoryLimit(JSRuntime *rt, size_t limit);
 JS_EXTERN void JS_SetDumpFlags(JSRuntime *rt, uint64_t flags);
 JS_EXTERN void JS_SetGCThreshold(JSRuntime *rt, size_t gc_threshold);
 JS_EXTERN size_t JS_GetGCThreshold(JSRuntime *rt);
-JS_EXTERN void JS_SetGCThresholdFixed(JSRuntime *rt, JS_BOOL fixed);
+JS_EXTERN void JS_SetGCThresholdFixed(JSRuntime *rt, BOOL fixed);
-JS_EXTERN void JS_SetGCBeforeCallback(JSRuntime *rt, JS_BOOL (*fn)());
+JS_EXTERN void JS_SetGCBeforeCallback(JSRuntime *rt, BOOL(*fn)());
 JS_EXTERN void JS_SetGCAfterCallback(JSRuntime *rt, void(*fn)());
+
 /* use 0 to disable maximum stack size check */
 JS_EXTERN void JS_SetMaxStackSize(JSRuntime *rt, size_t stack_size);
 /* should be called when changing thread to update the stack top value