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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/**
* This is not a generated file. It contains common utility functions
* invoked from the JavaScript code generated from IDL interfaces.
* The goal of the utility functions is to cut down on the size of
* the generated code itself.
*/
#include "mozilla/dom/JSExecutionUtils.h"
#include <utility> // std::move
#include "ErrorList.h" // NS_ERROR_OUT_OF_MEMORY, NS_SUCCESS_DOM_SCRIPT_EVALUATION_THREW, NS_SUCCESS_DOM_SCRIPT_EVALUATION_THREW_UNCATCHABLE
#include "js/CompilationAndEvaluation.h" // JS::UpdateDebugMetadata
#include "js/experimental/JSStencil.h" // JS::Stencil, JS::CompileGlobalScriptToStencil
#include "js/SourceText.h" // JS::SourceText, JS::SourceOwnership
#include "jsapi.h" // JS_IsExceptionPending
#include "nsTPromiseFlatString.h" // PromiseFlatString
#if !defined(DEBUG) && !defined(MOZ_ENABLE_JS_DUMP)
# include "mozilla/StaticPrefs_browser.h"
#endif
using namespace mozilla;
namespace mozilla::dom {
nsresult EvaluationExceptionToNSResult(ErrorResult& aRv) {
if (aRv.IsJSContextException()) {
aRv.SuppressException();
return NS_SUCCESS_DOM_SCRIPT_EVALUATION_THREW;
}
if (aRv.IsUncatchableException()) {
aRv.SuppressException();
return NS_SUCCESS_DOM_SCRIPT_EVALUATION_THREW_UNCATCHABLE;
}
// cases like NS_OK, NS_ERROR_DOM_JS_DECODING_ERROR and NS_ERROR_OUT_OF_MEMORY
return aRv.StealNSResult();
}
void Compile(JSContext* aCx, JS::CompileOptions& aCompileOptions,
const nsAString& aScript, RefPtr<JS::Stencil>& aStencil,
ErrorResult& aRv) {
const nsPromiseFlatString& flatScript = PromiseFlatString(aScript);
JS::SourceText<char16_t> srcBuf;
if (!srcBuf.init(aCx, flatScript.get(), flatScript.Length(),
JS::SourceOwnership::Borrowed)) {
aRv.NoteJSContextException(aCx);
return;
}
aStencil = CompileGlobalScriptToStencil(aCx, aCompileOptions, srcBuf);
if (!aStencil) {
aRv.NoteJSContextException(aCx);
}
}
} // namespace mozilla::dom