Jens Johansen
f91ef3afd7
We're deprecating kernels Library.isExternal as it wasn't used for what it was originally intended. It will hopefully go away entirely soon. Change-Id: If363c50af5607febae68865875af452c106fff85 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/123721 Commit-Queue: Jens Johansen <jensj@google.com> Reviewed-by: Johnni Winther <johnniwinther@google.com>
54 lines
1.7 KiB
Dart
Executable File
54 lines
1.7 KiB
Dart
Executable File
#!/usr/bin/env dart
|
|
// Copyright (c) 2017, 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.
|
|
|
|
import 'dart:async';
|
|
import 'dart:io';
|
|
|
|
import 'package:kernel/ast.dart';
|
|
import 'package:kernel/binary/ast_to_binary.dart';
|
|
import 'package:kernel/binary/limited_ast_to_binary.dart';
|
|
import 'package:kernel/kernel.dart';
|
|
import 'package:kernel/src/tool/command_line_util.dart';
|
|
|
|
void usage() {
|
|
print("Split a dill file into separate dill files (one library per file).");
|
|
print("Dart internal libraries are not included in the output.");
|
|
print("");
|
|
print("Usage: dart <script> dillFile.dill");
|
|
print("The given argument should be an existing file");
|
|
print("that is valid to load as a dill file.");
|
|
exit(1);
|
|
}
|
|
|
|
main(args) async {
|
|
CommandLineHelper.requireExactlyOneArgument(args, usage,
|
|
requireFileExists: true);
|
|
Component binary = CommandLineHelper.tryLoadDill(args[0]);
|
|
|
|
int part = 1;
|
|
for (int i = 0; i < binary.libraries.length; ++i) {
|
|
Library lib = binary.libraries[i];
|
|
if (lib.name?.startsWith("dart.") == true ||
|
|
lib.name == "builtin" ||
|
|
lib.name == "nativewrappers") continue;
|
|
String path = args[0] + ".part${part++}.dill";
|
|
await writeComponentToFile(binary, path, lib);
|
|
print("Wrote $path");
|
|
}
|
|
}
|
|
|
|
Future<Null> writeComponentToFile(
|
|
Component component, String path, Library wantedLibrary) async {
|
|
File output = new File(path);
|
|
IOSink sink = output.openWrite();
|
|
try {
|
|
BinaryPrinter printer =
|
|
new LimitedBinaryPrinter(sink, (lib) => lib == wantedLibrary, false);
|
|
printer.writeComponentFile(component);
|
|
} finally {
|
|
await sink.close();
|
|
}
|
|
}
|