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Add dart2native tool for building either an aot file or a stand-alone…
… executable. *dart2aot has been rewritten in Dart accompanied by a trampoline script. *dart2exec is still missing implementation. Change-Id: I4b662ce86c7365fa4d043b48a691881c8ef08a8c Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/108601 Commit-Queue: Sarah Zakarias <zarah@google.com> Reviewed-by: Clement Skau <cskau@google.com>
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#!/usr/bin/env dart | ||
// Copyright (c) 2019, 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. | ||
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import 'dart:io'; | ||
import 'package:args/args.dart'; | ||
import 'package:path/path.dart'; | ||
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const clearLine = '\r\x1b[2K'; | ||
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void aot(String sourceFile, String snapshotFile, bool enableAsserts, | ||
bool buildElf, bool tfa, bool noTfa, String packages, List<String> ds) { | ||
if (!FileSystemEntity.isFileSync(sourceFile)) { | ||
print('Error: $sourceFile is not a file'); | ||
return; | ||
} | ||
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String genSnapshotOption = buildElf | ||
? '--snapshot-kind=app-aot-assembly' | ||
: '--snapshot-kind=app-aot-blobs'; | ||
String genSnapshotFilename = buildElf | ||
? '--assembly=$snapshotFile.S' | ||
: '--blobs_container_filename=$snapshotFile'; | ||
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String snapDir = dirname(Platform.script.path); | ||
String binDir = canonicalize(join(snapDir, '..')); | ||
String sdkDir = canonicalize(join(binDir, '..')); | ||
String dartCommand = join(binDir, 'dart'); | ||
String snapshot = join(snapDir, 'gen_kernel.dart.snapshot'); | ||
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stdout.write('${clearLine}Generating AOT snapshot'); | ||
List<String> dartArgs = <String>[ | ||
snapshot, | ||
'--platform', | ||
'${sdkDir}//lib/_internal/vm_platform_strong.dill', | ||
'--aot', | ||
'-Ddart.vm.product=true', | ||
if (tfa) '--tfa', | ||
if (noTfa) '--no-tfa', | ||
...ds, | ||
if (packages != null) ...['--packages', packages], | ||
'-o', | ||
'$snapshotFile.dill', | ||
sourceFile | ||
]; | ||
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var cmdResult = Process.runSync(dartCommand, dartArgs); | ||
if (cmdResult.exitCode != 0) { | ||
print('\nGenerating AOT snapshot failed\n'); | ||
print(cmdResult.stdout); | ||
print(cmdResult.stderr); | ||
return; | ||
} | ||
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stdout.write("${clearLine}Generating AOT .dill"); | ||
String genSnapshotCommand = join(binDir, 'utils', 'gen_snapshot'); | ||
List<String> genSnapshotArgs = [ | ||
genSnapshotOption, | ||
genSnapshotFilename, | ||
if (enableAsserts) '--enable-asserts', | ||
'$snapshotFile.dill' | ||
]; | ||
cmdResult = Process.runSync(genSnapshotCommand, genSnapshotArgs); | ||
if (cmdResult.exitCode != 0) { | ||
print('\nGenerating AOT .dill failed\n'); | ||
print(cmdResult.stdout); | ||
print(cmdResult.stderr); | ||
return; | ||
} | ||
stdout.write("${clearLine}Done.\n"); | ||
stdout.flush(); | ||
} | ||
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void setupAOTArgs(ArgParser parser) { | ||
parser.addFlag('build-elf'); | ||
parser.addFlag('enable-asserts'); | ||
parser.addFlag('tfa'); | ||
parser.addFlag('no-tfa'); | ||
parser.addOption('packages'); | ||
} |
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#!/usr/bin/env dart | ||
// Copyright (c) 2019, 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. | ||
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import 'package:args/args.dart'; | ||
import 'dart2aot.dart'; | ||
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typedef void Command(ArgResults args, List<String> ds); | ||
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void main(List<String> args) { | ||
Map<String, Command> commands = <String, Command>{}; | ||
commands['aot'] = callAOT; | ||
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// Read -D args that the ArgParser can't handle. | ||
List<String> ds = []; | ||
args = filterDArgs(args, ds); | ||
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ArgParser parser = ArgParser(); | ||
parser.addFlag('help'); | ||
ArgParser aotParser = parser.addCommand('aot'); | ||
setupAOTArgs(aotParser); | ||
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ArgResults result = null; | ||
try { | ||
result = parser.parse(args); | ||
} catch (ArgParserException) { | ||
// We handle this case as result == null below. | ||
} | ||
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if (result == null || result.command == null || result['help']) { | ||
print('dart2native <command> <args>\n'); | ||
print(' command: '); | ||
print(' aot - Compile script into one ahead of time dart snapshot'); | ||
return; | ||
} | ||
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if (commands.containsKey(result.command.name)) { | ||
commands[result.command.name](result.command, ds); | ||
return; | ||
} | ||
} | ||
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void callAOT(ArgResults args, List<String> ds) { | ||
List<String> rest = args.rest; | ||
if (rest.length != 2) { | ||
print( | ||
'Usage: dart2native aot [options] <dart-source-file> <dart-aot-file>\n'); | ||
print( | ||
'Dart AOT (ahead-of-time) compile Dart source code into native machine code.'); | ||
return; | ||
} | ||
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aot(rest[0], rest[1], args['build-elf'], args['enable-asserts'], args['tfa'], | ||
args['no-tfa'], args['packages'], ds); | ||
} | ||
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List<String> filterDArgs(List<String> args, List<String> ds) { | ||
List<String> result = <String>[]; | ||
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args.forEach((String arg) { | ||
if (!arg.startsWith('-D')) { | ||
result.add(arg); | ||
} else { | ||
ds.add(arg); | ||
} | ||
}); | ||
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return result; | ||
} |
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name: dart2native | ||
version: 0.0.1 | ||
author: Dart Team <misc@dartlang.org> | ||
homepage: https://github.com/dart-lang/sdk/tree/master/pkg/aot | ||
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# Add the bin/dart2native.dart script to the scripts pub installs. | ||
executables: | ||
dart2native: | ||
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dependencies: | ||
args: ^1.4.0 | ||
path: | ||
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dev_dependencies: | ||
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#!/usr/bin/env bash | ||
# Copyright (c) 2019, 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. | ||
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# Run dart2native.dart.snapshot on the Dart VM | ||
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function follow_links() { | ||
file="$1" | ||
while [ -h "$file" ]; do | ||
# On Mac OS, readlink -f doesn't work. | ||
file="$(readlink "$file")" | ||
done | ||
echo "$file" | ||
} | ||
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# Unlike $0, $BASH_SOURCE points to the absolute path of this file. | ||
PROG_NAME="$(follow_links "$BASH_SOURCE")" | ||
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# Handle the case where dart-sdk/bin has been symlinked to. | ||
BIN_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)" | ||
SNAPSHOTS_DIR="${BIN_DIR}/snapshots" | ||
DART="$BIN_DIR/dart" | ||
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exec "$DART" "${SNAPSHOTS_DIR}/dart2native.dart.snapshot" $* |
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@echo off | ||
REM Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file | ||
REM for details. All rights reserved. Use of this source code is governed by a | ||
REM BSD-style license that can be found in the LICENSE file. | ||
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setlocal | ||
rem Handle the case where dart-sdk/bin has been symlinked to. | ||
set DIR_NAME_WITH_SLASH=%~dp0 | ||
set DIR_NAME=%DIR_NAME_WITH_SLASH:~0,-1%% | ||
call :follow_links "%DIR_NAME%", RETURNED_BIN_DIR | ||
rem Get rid of surrounding quotes. | ||
for %%i in ("%RETURNED_BIN_DIR%") do set BIN_DIR=%%~fi | ||
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set DART=%BIN_DIR%\dart | ||
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"%DART%" "%BIN_DIR%\snapshots\dart2native.dart.snapshot" %* | ||
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endlocal | ||
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exit /b %errorlevel% | ||
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rem Follow the symbolic links (junctions points) using `dir to determine the | ||
rem canonical path. Output with a link looks something like this | ||
rem | ||
rem 01/03/2013 10:11 PM <JUNCTION> abc def | ||
rem [c:\dart_bleeding\dart-repo.9\dart\out\ReleaseIA32\dart-sdk] | ||
rem | ||
rem So in the output of 'dir /a:l "targetdir"' we are looking for a filename | ||
rem surrounded by right angle bracket and left square bracket. Once we get | ||
rem the filename, which is name of the link, we recursively follow that. | ||
:follow_links | ||
setlocal | ||
for %%i in (%1) do set result=%%~fi | ||
set current= | ||
for /f "usebackq tokens=2 delims=[]" %%i in (`dir /a:l "%~dp1" 2^>nul ^ | ||
^| %SystemRoot%\System32\find.exe "> %~n1 [" 2^>nul`) do ( | ||
set current=%%i | ||
) | ||
if not "%current%"=="" call :follow_links "%current%", result | ||
endlocal & set %~2=%result% | ||
goto :eof | ||
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:end |
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# Copyright (c) 2016, 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. | ||
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import("../application_snapshot.gni") | ||
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group("dart2native") { | ||
deps = [ | ||
":generate_dart2native_snapshot", | ||
] | ||
} | ||
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application_snapshot("generate_dart2native_snapshot") { | ||
main_dart = "../../pkg/dart2native/bin/dart2native.dart" | ||
training_args = [ | ||
"--help", | ||
] | ||
name = "dart2native" | ||
} |