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[ddc] Migrate ddc library to null safety

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Issue: https://github.com/dart-lang/sdk/issues/46617
Change-Id: I15468560685b1107ec5481f2bda5a0fcb2a6bb7c
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/250341
Reviewed-by: Mark Zhou <markzipan@google.com>
Commit-Queue: Nicholas Shahan <nshahan@google.com>
This commit is contained in:
Nicholas Shahan 2022-07-19 00:03:04 +00:00 committed by Commit Bot
parent bb15df1f74
commit 5cc2856daa
1 changed files with 6 additions and 8 deletions
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14
pkg/dev_compiler/lib/ddc.dart
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@ -2,8 +2,6 @@
// 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.
// @dart = 2.9
/// Command line entry point for Dart Development Compiler (dartdevc), used to
/// compile a collection of dart libraries into a single JS module
@ -21,7 +19,7 @@ import 'src/kernel/expression_compiler_worker.dart';
///
/// [sendPort] may be passed in when started in an isolate. If provided, it is
/// used for bazel worker communication instead of stdin/stdout.
Future internalMain(List<String> args, [SendPort sendPort]) async {
Future internalMain(List<String> args, [SendPort? sendPort]) async {
// Always returns a new modifiable list.
var parsedArgs = ParsedArguments.from(args);
@ -51,7 +49,7 @@ class _CompilerWorker extends AsyncWorkerLoop {
/// Keeps track of our last compilation result so it can potentially be
/// re-used in a worker.
CompilerResult lastResult;
CompilerResult? lastResult;
/// Performs each individual work request.
@override
@ -74,7 +72,7 @@ class _CompilerWorker extends AsyncWorkerLoop {
output.writeln(message.toString());
}));
return WorkResponse()
..exitCode = lastResult.success ? 0 : 1
..exitCode = lastResult!.success ? 0 : 1
..output = output.toString();
}
}
@ -87,12 +85,12 @@ Future runBatch(ParsedArguments batchArgs) async {
print('>>> BATCH START');
String line;
CompilerResult result;
String? line;
CompilerResult? result;
while ((line = stdin.readLineSync(encoding: utf8))?.isNotEmpty == true) {
totalTests++;
var args = batchArgs.merge(line.split(RegExp(r'\s+')));
var args = batchArgs.merge(line!.split(RegExp(r'\s+')));
String outcome;
try {