mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
94 lines
3.1 KiB
C++
94 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim: set ts=8 sts=4 et sw=4 tw=99: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsAutoPtr.h"
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#include "jsapi.h"
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#include "jsfriendapi.h"
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#include "nsJSPrincipals.h"
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#include "mozilla/scache/StartupCache.h"
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using namespace JS;
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using namespace mozilla::scache;
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// We only serialize scripts with system principals. So we don't serialize the
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// principals when writing a script. Instead, when reading it back, we set the
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// principals to the system principals.
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nsresult
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ReadCachedScript(StartupCache* cache, nsACString &uri, JSContext *cx,
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nsIPrincipal *systemPrincipal, MutableHandleScript scriptp)
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{
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nsAutoArrayPtr<char> buf;
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uint32_t len;
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nsresult rv = cache->GetBuffer(PromiseFlatCString(uri).get(),
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getter_Transfers(buf), &len);
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if (NS_FAILED(rv))
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return rv; // don't warn since NOT_AVAILABLE is an ok error
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scriptp.set(JS_DecodeScript(cx, buf, len));
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if (!scriptp)
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return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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}
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nsresult
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ReadCachedFunction(StartupCache* cache, nsACString &uri, JSContext *cx,
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nsIPrincipal *systemPrincipal, JSFunction **functionp)
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{
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return NS_ERROR_FAILURE;
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/* This doesn't actually work ...
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nsAutoArrayPtr<char> buf;
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uint32_t len;
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nsresult rv = cache->GetBuffer(PromiseFlatCString(uri).get(),
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getter_Transfers(buf), &len);
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if (NS_FAILED(rv))
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return rv; // don't warn since NOT_AVAILABLE is an ok error
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JSObject *obj = JS_DecodeInterpretedFunction(cx, buf, len, nsJSPrincipals::get(systemPrincipal), nullptr);
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if (!obj)
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return NS_ERROR_OUT_OF_MEMORY;
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JSFunction* function = JS_ValueToFunction(cx, OBJECT_TO_JSVAL(obj));
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*functionp = function;
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return NS_OK;*/
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}
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nsresult
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WriteCachedScript(StartupCache* cache, nsACString &uri, JSContext *cx,
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nsIPrincipal *systemPrincipal, HandleScript script)
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{
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MOZ_ASSERT(JS_GetScriptPrincipals(script) == nsJSPrincipals::get(systemPrincipal));
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uint32_t size;
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void *data = JS_EncodeScript(cx, script, &size);
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if (!data)
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return NS_ERROR_OUT_OF_MEMORY;
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MOZ_ASSERT(size);
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nsresult rv = cache->PutBuffer(PromiseFlatCString(uri).get(), static_cast<char *>(data), size);
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js_free(data);
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return rv;
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}
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nsresult
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WriteCachedFunction(StartupCache* cache, nsACString &uri, JSContext *cx,
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nsIPrincipal *systemPrincipal, JSFunction *function)
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{
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return NS_ERROR_FAILURE;
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/* This doesn't actually work ...
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uint32_t size;
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void *data =
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JS_EncodeInterpretedFunction(cx, JS_GetFunctionObject(function), &size);
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if (!data)
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return NS_ERROR_OUT_OF_MEMORY;
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MOZ_ASSERT(size);
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nsresult rv = cache->PutBuffer(PromiseFlatCString(uri).get(), static_cast<char *>(data), size);
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js_free(data);
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return rv;*/
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}
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