Ivan Inozemtsev
51ea42537a
Also add a sample for calling Dart functions which return/accept futures. Change-Id: I932d0577709f4e068ccd3212797751ecb347c4f9 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/408281 Commit-Queue: Ivan Inozemtsev <iinozemtsev@google.com> Reviewed-by: Martin Kustermann <kustermann@google.com>
55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
// Copyright (c) 2025, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
#include <iostream>
|
|
#include "helpers.h"
|
|
#include "include/dart_api.h"
|
|
#include "include/dart_engine.h"
|
|
|
|
int main(int argc, char** argv) {
|
|
if (argc < 3) {
|
|
std::cerr << "Must specify two snapshot paths" << std::endl;
|
|
std::exit(1);
|
|
}
|
|
char* error = nullptr;
|
|
|
|
DartEngine_SnapshotData snapshot1 = AutoSnapshotFromFile(argv[1], &error);
|
|
CheckError(error, "reading snapshot");
|
|
|
|
DartEngine_SnapshotData snapshot2 = AutoSnapshotFromFile(argv[2], &error);
|
|
CheckError(error, "reading snapshot");
|
|
|
|
Dart_Isolate isolate1 = DartEngine_CreateIsolate(snapshot1, &error);
|
|
CheckError(error, "starting 1st isolate");
|
|
|
|
Dart_Isolate isolate2 = DartEngine_CreateIsolate(snapshot2, &error);
|
|
CheckError(error, "starting 2nd isolate");
|
|
|
|
DartEngine_AcquireIsolate(isolate1);
|
|
Dart_EnterScope();
|
|
|
|
Dart_Handle invoke_result = Dart_Invoke(
|
|
Dart_RootLibrary(), Dart_NewStringFromCString("getValue"), 0, nullptr);
|
|
std::string return_value = StringFromHandle(invoke_result);
|
|
|
|
std::cout << "program1 returned: " << return_value << std::endl;
|
|
Dart_ExitScope();
|
|
DartEngine_ReleaseIsolate();
|
|
|
|
DartEngine_AcquireIsolate(isolate2);
|
|
Dart_EnterScope();
|
|
|
|
std::initializer_list<Dart_Handle> args{
|
|
Dart_NewStringFromCString(return_value.c_str())};
|
|
Dart_Handle invoke_result2 =
|
|
Dart_Invoke(Dart_RootLibrary(), Dart_NewStringFromCString("printValue"),
|
|
1, const_cast<Dart_Handle*>(args.begin()));
|
|
CheckError(invoke_result2);
|
|
|
|
Dart_ExitScope();
|
|
DartEngine_ReleaseIsolate();
|
|
|
|
DartEngine_Shutdown();
|
|
}
|