blob: ed2ab26c99cc0ac77de8804fd13a2e6232f4ffd7 [file] [log] [blame]
// 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'
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.
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;
throw 'Could not obtain correct exit code from compiler.';