| // Copyright (c) 2020, 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'; |
| |
| import 'package:args/command_runner.dart'; |
| import 'package:dart2native/generate.dart'; |
| import 'package:path/path.dart' as path; |
| |
| import '../core.dart'; |
| import '../sdk.dart'; |
| |
| const int compileErrorExitCode = 64; |
| |
| class Option { |
| final String flag; |
| final String help; |
| final String abbr; |
| |
| Option({this.flag, this.help, this.abbr}); |
| } |
| |
| final Map<String, Option> commonOptions = { |
| 'outputFile': Option( |
| flag: 'output', |
| abbr: 'o', |
| help: ''' |
| Write the output to <file name>. |
| This can be an absolute or reletive path. |
| ''', |
| ), |
| }; |
| |
| bool checkFile(String sourcePath) { |
| if (!FileSystemEntity.isFileSync(sourcePath)) { |
| stderr.writeln( |
| '"$sourcePath" is not a file. See \'--help\' for more information.'); |
| stderr.flush(); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| class CompileJSCommand extends DartdevCommand<int> { |
| CompileJSCommand() : super('js', 'Compile Dart to JavaScript') { |
| argParser |
| ..addOption( |
| commonOptions['outputFile'].flag, |
| help: commonOptions['outputFile'].help, |
| abbr: commonOptions['outputFile'].abbr, |
| ) |
| ..addFlag( |
| 'minified', |
| help: 'Generate minified output.', |
| abbr: 'm', |
| negatable: false, |
| ); |
| } |
| |
| @override |
| String get invocation => '${super.invocation} <dart entry point>'; |
| |
| @override |
| FutureOr<int> run() async { |
| // We expect a single rest argument; the dart entry point. |
| if (argResults.rest.length != 1) { |
| log.stderr('Missing Dart entry point.'); |
| printUsage(); |
| return compileErrorExitCode; |
| } |
| final String sourcePath = argResults.rest[0]; |
| if (!checkFile(sourcePath)) { |
| return -1; |
| } |
| |
| final process = await startProcess(sdk.dart2js, argResults.arguments); |
| routeToStdout(process); |
| return process.exitCode; |
| } |
| } |
| |
| class CompileSnapshotCommand extends DartdevCommand<int> { |
| final String commandName; |
| final String help; |
| final String fileExt; |
| final String formatName; |
| |
| CompileSnapshotCommand({ |
| this.commandName, |
| this.help, |
| this.fileExt, |
| this.formatName, |
| }) : super(commandName, 'Compile Dart $help') { |
| argParser |
| ..addOption( |
| commonOptions['outputFile'].flag, |
| help: commonOptions['outputFile'].help, |
| abbr: commonOptions['outputFile'].abbr, |
| ); |
| } |
| |
| @override |
| String get invocation => '${super.invocation} <dart entry point>'; |
| |
| @override |
| FutureOr<int> run() async { |
| // We expect a single rest argument; the dart entry point. |
| if (argResults.rest.length != 1) { |
| log.stderr('Missing Dart entry point.'); |
| printUsage(); |
| return compileErrorExitCode; |
| } |
| final String sourcePath = argResults.rest[0]; |
| if (!checkFile(sourcePath)) { |
| return -1; |
| } |
| |
| // Determine output file name. |
| String outputFile = argResults[commonOptions['outputFile'].flag]; |
| if (outputFile == null) { |
| final inputWithoutDart = sourcePath.replaceFirst(RegExp(r'\.dart$'), ''); |
| outputFile = '$inputWithoutDart.$fileExt'; |
| } |
| |
| // Build arguments. |
| List<String> args = []; |
| args.add('--snapshot-kind=$formatName'); |
| args.add('--snapshot=${path.canonicalize(outputFile)}'); |
| if (verbose) { |
| args.add('-v'); |
| } |
| args.add(path.canonicalize(sourcePath)); |
| |
| log.stdout('Compiling $sourcePath to $commandName file $outputFile.'); |
| final process = await startProcess(sdk.dart, args); |
| routeToStdout(process); |
| return process.exitCode; |
| } |
| } |
| |
| class CompileNativeCommand extends DartdevCommand<int> { |
| final String commandName; |
| final String format; |
| final String help; |
| |
| CompileNativeCommand({ |
| this.commandName, |
| this.format, |
| this.help, |
| }) : super(commandName, 'Compile Dart $help') { |
| argParser |
| ..addOption( |
| commonOptions['outputFile'].flag, |
| help: commonOptions['outputFile'].help, |
| abbr: commonOptions['outputFile'].abbr, |
| ) |
| ..addMultiOption('define', abbr: 'D', valueHelp: 'key=value', help: ''' |
| Set values of environment variables. To specify multiple variables, use multiple options or use commas to separate key-value pairs. |
| E.g.: dart compile $commandName -Da=1,b=2 main.dart''') |
| ..addFlag('enable-asserts', |
| negatable: false, help: 'Enable assert statements.') |
| ..addOption('packages', abbr: 'p', valueHelp: 'path', help: ''' |
| Get package locations from the specified file instead of .packages. <path> can be relative or absolute. |
| E.g.: dart compile $commandName --packages=/tmp/pkgs main.dart |
| ''') |
| ..addOption('save-debugging-info', abbr: 'S', valueHelp: 'path', help: ''' |
| Remove debugging information from the output and save it separately to the specified file. <path> can be relative or absolute. |
| '''); |
| } |
| |
| @override |
| String get invocation => '${super.invocation} <dart entry point>'; |
| |
| @override |
| FutureOr<int> run() async { |
| // We expect a single rest argument; the dart entry point. |
| if (argResults.rest.length != 1) { |
| log.stderr('Missing Dart entry point.'); |
| printUsage(); |
| return compileErrorExitCode; |
| } |
| final String sourcePath = argResults.rest[0]; |
| if (!checkFile(sourcePath)) { |
| return -1; |
| } |
| |
| try { |
| await generateNative( |
| kind: format, |
| sourceFile: sourcePath, |
| outputFile: argResults['output'], |
| defines: argResults['define'], |
| packages: argResults['packages'], |
| enableAsserts: argResults['enable-asserts'], |
| debugFile: argResults['save-debugging-info'], |
| verbose: verbose, |
| ); |
| return 0; |
| } catch (e) { |
| log.stderr('Error: AOT compilation failed'); |
| log.stderr(e.toString()); |
| return compileErrorExitCode; |
| } |
| } |
| } |
| |
| class CompileCommand extends Command { |
| @override |
| String get description => 'Compile Dart to various formats.'; |
| |
| @override |
| String get name => 'compile'; |
| |
| CompileCommand() { |
| addSubcommand(CompileJSCommand()); |
| addSubcommand(CompileSnapshotCommand( |
| commandName: 'jit-snapshot', |
| help: 'to a JIT snapshot', |
| fileExt: 'jit', |
| formatName: 'app-jit', |
| )); |
| addSubcommand(CompileNativeCommand( |
| commandName: 'exe', |
| help: 'to a self-contained executable', |
| format: 'exe', |
| )); |
| addSubcommand(CompileNativeCommand( |
| commandName: 'aot-snapshot', |
| help: 'to an AOT snapshot', |
| format: 'aot', |
| )); |
| } |
| } |