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fixed the delete operator with global variables

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Fabrice Bellard 2025-04-28 16:32:23 +02:00
parent 894ce9de1c
commit 2d4e1cc20c
1 changed files with 24 additions and 1 deletions
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quickjs.c
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@ -10098,6 +10098,29 @@ static int JS_SetGlobalVar(JSContext *ctx, JSAtom prop, JSValue val,
return JS_SetPropertyInternal(ctx, ctx->global_obj, prop, val, ctx->global_obj, flags); return JS_SetPropertyInternal(ctx, ctx->global_obj, prop, val, ctx->global_obj, flags);
} }
/* return -1, FALSE or TRUE */
static int JS_DeleteGlobalVar(JSContext *ctx, JSAtom prop)
{
JSObject *p;
JSShapeProperty *prs;
JSProperty *pr;
int ret;
/* 9.1.1.4.7 DeleteBinding ( N ) */
p = JS_VALUE_GET_OBJ(ctx->global_var_obj);
prs = find_own_property(&pr, p, prop);
if (prs)
return FALSE; /* lexical variables cannot be deleted */
ret = JS_HasProperty(ctx, ctx->global_obj, prop);
if (ret < 0)
return -1;
if (ret) {
return JS_DeleteProperty(ctx, ctx->global_obj, prop, 0);
} else {
return TRUE;
}
}
/* return -1, FALSE or TRUE. return FALSE if not configurable or /* return -1, FALSE or TRUE. return FALSE if not configurable or
invalid object. return -1 in case of exception. invalid object. return -1 in case of exception.
flags can be 0, JS_PROP_THROW or JS_PROP_THROW_STRICT */ flags can be 0, JS_PROP_THROW or JS_PROP_THROW_STRICT */
@ -18490,7 +18513,7 @@ static JSValue JS_CallInternal(JSContext *caller_ctx, JSValueConst func_obj,
pc += 4; pc += 4;
sf->cur_pc = pc; sf->cur_pc = pc;
ret = JS_DeleteProperty(ctx, ctx->global_obj, atom, 0); ret = JS_DeleteGlobalVar(ctx, atom);
if (unlikely(ret < 0)) if (unlikely(ret < 0))
goto exception; goto exception;
*sp++ = JS_NewBool(ctx, ret); *sp++ = JS_NewBool(ctx, ret);