dart-sdk/pkg/vm/bin/gen_kernel.dart
Alexander Markov 730ab0583d Migrate pkg/vm to null safety, part 5
TEST=ci

Issue: https://github.com/dart-lang/sdk/issues/46620
Change-Id: Ifc5fe377b5dd8273a45ca0c28fcd27527baae146
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/208021
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>
Reviewed-by: Johnni Winther <johnniwinther@google.com>
2021-07-28 18:38:30 +00:00

72 lines
2.3 KiB
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' as io;
import 'package:args/args.dart' show ArgParser;
import 'package:kernel/text/ast_to_text.dart'
show globalDebuggingNames, NameSystem;
import 'package:kernel/src/tool/batch_util.dart' as batch_util;
import 'package:vm/kernel_front_end.dart'
show
createCompilerArgParser,
runCompiler,
successExitCode,
compileTimeErrorExitCode,
badUsageExitCode;
final ArgParser _argParser = createCompilerArgParser();
final String _usage = '''
Usage: dart pkg/vm/bin/gen_kernel.dart --platform vm_platform_strong.dill [options] input.dart
Compiles Dart sources to a kernel binary file for Dart VM.
Options:
${_argParser.usage}
''';
main(List<String> arguments) async {
if (arguments.isNotEmpty && arguments.last == '--batch') {
await runBatchModeCompiler();
} else {
io.exitCode = await compile(arguments);
}
}
Future<int> compile(List<String> arguments) async {
return runCompiler(_argParser.parse(arguments), _usage);
}
Future runBatchModeCompiler() async {
await batch_util.runBatch((List<String> arguments) async {
// TODO(kustermann): Once we know where the new IKG api is and how to use
// it, we should take advantage of it.
//
// Important things to note:
//
// * Our global transformations must never alter the AST structures which
// the statefull IKG generator keeps across compilations.
// => We need to make our own copy.
//
// * We must ensure the stateful IKG generator keeps giving us all the
// compile-time errors, warnings, hints for every compilation and we
// report the compilation result accordingly.
//
final exitCode = await compile(arguments);
// Re-create global NameSystem to avoid accumulating garbage.
globalDebuggingNames = new NameSystem();
switch (exitCode) {
case successExitCode:
return batch_util.CompilerOutcome.Ok;
case compileTimeErrorExitCode:
case badUsageExitCode:
return batch_util.CompilerOutcome.Fail;
default:
throw 'Could not obtain correct exit code from compiler.';
}
});
}