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[SDK] Further adjusts flags for dart2native.

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Based on copy discussion with kathyw@ and mit@.

Change-Id: Iac41e66a431b4fd67550bd35633baa4cc79e197e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/118571
Reviewed-by: Michael Thomsen <mit@google.com>
Commit-Queue: Clement Skau <cskau@google.com>
This commit is contained in:
Clement Skau 2019-09-25 15:04:20 +00:00 committed by commit-bot@chromium.org
parent 9f0258f4b6
commit 41dd8b522c
1 changed files with 14 additions and 13 deletions
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27
pkg/dart2native/bin/dart2native.dart
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@ -82,34 +82,35 @@ Future<void> generateNative(
}
void printUsage(final ArgParser parser) {
print('Usage: dart2native <dart-script-file> [<options>]');
print('');
print('Generates an executable or an AOT snapshot from <dart-script-file>.');
print('');
print('''
Usage: dart2native <main-dart-file> [<options>]
Generates an executable or an AOT snapshot from <main-dart-file>.
''');
print(parser.usage);
}
Future<void> main(List<String> args) async {
final ArgParser parser = ArgParser()
..addMultiOption('define',
abbr: 'D',
valueHelp: 'key=value',
help: 'The values for the environment constants.')
..addMultiOption('define', abbr: 'D', valueHelp: 'key=value', help: '''
Set values of environment variables.
To specify multiple variables, use multiple flags or use commas to separate pairs.
Example:
dart2native -Da=1,b=2 -Dc=3 --define=d=4 main.dart''')
..addFlag('enable-asserts',
negatable: false, help: 'Enable assert statements.')
..addFlag('help',
abbr: 'h', negatable: false, help: 'Displays the help message.')
abbr: 'h', negatable: false, help: 'Displays this help message.')
..addOption('output',
abbr: 'o', valueHelp: 'path', help: 'Path to output file.')
abbr: 'o', valueHelp: 'path', help: 'Put the output in file <path>.')
..addOption('output-kind',
abbr: 'k',
allowed: ['exe', 'aot'],
defaultsTo: 'exe',
valueHelp: 'exe|aot',
help:
'Whether to generate a stand-alone executable or an AOT snapshot.')
help: 'Generate a standalone executable or an AOT snapshot.')
..addOption('packages',
abbr: 'p', valueHelp: 'path', help: 'Path to .packages file.')
abbr: 'p', valueHelp: 'path', help: 'Use the .packages file at <path>.')
..addFlag('verbose',
abbr: 'v', negatable: false, help: 'Show verbose output.');