62 lines
2.3 KiB
C++
62 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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/**
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* This is not a generated file. It contains common utility functions
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* invoked from the JavaScript code generated from IDL interfaces.
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* The goal of the utility functions is to cut down on the size of
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* the generated code itself.
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*/
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#include "mozilla/dom/JSExecutionUtils.h"
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#include <utility> // std::move
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#include "ErrorList.h" // NS_ERROR_OUT_OF_MEMORY, NS_SUCCESS_DOM_SCRIPT_EVALUATION_THREW, NS_SUCCESS_DOM_SCRIPT_EVALUATION_THREW_UNCATCHABLE
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#include "js/CompilationAndEvaluation.h" // JS::UpdateDebugMetadata
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#include "js/experimental/JSStencil.h" // JS::Stencil, JS::CompileGlobalScriptToStencil
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#include "js/SourceText.h" // JS::SourceText, JS::SourceOwnership
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#include "jsapi.h" // JS_IsExceptionPending
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#include "nsTPromiseFlatString.h" // PromiseFlatString
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#if !defined(DEBUG) && !defined(MOZ_ENABLE_JS_DUMP)
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# include "mozilla/StaticPrefs_browser.h"
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#endif
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using namespace mozilla;
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namespace mozilla::dom {
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nsresult EvaluationExceptionToNSResult(ErrorResult& aRv) {
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if (aRv.IsJSContextException()) {
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aRv.SuppressException();
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return NS_SUCCESS_DOM_SCRIPT_EVALUATION_THREW;
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}
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if (aRv.IsUncatchableException()) {
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aRv.SuppressException();
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return NS_SUCCESS_DOM_SCRIPT_EVALUATION_THREW_UNCATCHABLE;
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}
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// cases like NS_OK, NS_ERROR_DOM_JS_DECODING_ERROR and NS_ERROR_OUT_OF_MEMORY
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return aRv.StealNSResult();
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}
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void Compile(JSContext* aCx, JS::CompileOptions& aCompileOptions,
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const nsAString& aScript, RefPtr<JS::Stencil>& aStencil,
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ErrorResult& aRv) {
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const nsPromiseFlatString& flatScript = PromiseFlatString(aScript);
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JS::SourceText<char16_t> srcBuf;
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if (!srcBuf.init(aCx, flatScript.get(), flatScript.Length(),
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JS::SourceOwnership::Borrowed)) {
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aRv.NoteJSContextException(aCx);
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return;
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}
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aStencil = CompileGlobalScriptToStencil(aCx, aCompileOptions, srcBuf);
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if (!aStencil) {
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aRv.NoteJSContextException(aCx);
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}
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}
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} // namespace mozilla::dom
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