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Added bin/devrun.dart, which runs DDC's output with iojs or d8 (issue #…
…225)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| #!/usr/bin/env dart | ||
| // Copyright (c) 2015, 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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| /// Runs io.js with dev_compiler's generated code. | ||
| library dev_compiler.bin.devrun; | ||
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| import 'dart:io'; | ||
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| import 'package:dev_compiler/src/compiler.dart' show validateOptions, compile; | ||
| import 'package:dev_compiler/src/options.dart'; | ||
| import 'package:dev_compiler/src/runner/runtime_utils.dart' show | ||
| listOutputFiles, getMainModuleName; | ||
| import 'package:dev_compiler/src/runner/v8_runner.dart' show V8Runner; | ||
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| import 'package:path/path.dart'; | ||
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| void _showUsageAndExit() { | ||
| print('usage: dartdevrun [<options>] <file.dart>\n'); | ||
| print('<file.dart> is a single Dart file to run.\n'); | ||
| print('<options> include:\n'); | ||
| print(argParser.usage); | ||
| exit(1); | ||
| } | ||
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| main(List<String> args) async { | ||
| args = []..add('--arrow-fn-bind-this')..addAll(args); | ||
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| CompilerOptions options = validateOptions(args, forceOutDir: true); | ||
| if (options == null || options.help) { | ||
| _showUsageAndExit(); | ||
| } | ||
| if (options.inputs.length != 1) { | ||
| stderr.writeln("Please only specify one input to run"); | ||
| _showUsageAndExit(); | ||
| } | ||
| var runner = new V8Runner(options); | ||
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| if (!await compile(options)) exit(1); | ||
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| var files = await listOutputFiles(options); | ||
| var startStatement = 'dart_library.start("${getMainModuleName(options)}");'; | ||
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| // TODO(ochafik): Only generate the html when some flag is set. | ||
| await _writeHtmlRunner(options, files, startStatement); | ||
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| // Give our soul (and streams) away to iojs. | ||
| Process process = await runner.start(files, startStatement); | ||
| stdin.pipe(process.stdin); | ||
| stdout.addStream(process.stdout); | ||
| stderr.addStream(process.stderr); | ||
| exit(await process.exitCode); | ||
| } | ||
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| /// Generates an HTML file that can be used to run the output with Chrome Dev. | ||
| _writeHtmlRunner(CompilerOptions options, List<File> files, | ||
| String startStatement) async { | ||
| String outputDir = options.codegenOptions.outputDir; | ||
| String htmlOutput = join(outputDir, "run.html"); | ||
| await new File(htmlOutput).writeAsString(''' | ||
| <html><head></head><body> | ||
| ${files.map((f) => | ||
| '<script src="${relative(f.path, from: outputDir)}"></script>') | ||
| .join("\n")} | ||
| <script>$startStatement</script> | ||
| </body></html> | ||
| '''); | ||
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| stderr.writeln( | ||
| 'Wrote $htmlOutput. It can be opened in Chrome Dev with the following flags:\n' | ||
| '--js-flags="--harmony-arrow-functions ' | ||
| '--harmony-classes ' | ||
| '--harmony-computed-property-names ' | ||
| '--harmony-spreadcalls"' | ||
| '\n'); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| // Copyright (c) 2015, 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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| /// File-listing utils used by dartdevrun. | ||
| library dev_compiler.src.runner.file_utils; | ||
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| import 'dart:async'; | ||
| import 'dart:io'; | ||
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| Future<List<File>> listJsFiles(Directory dir) async { | ||
| var list = []; | ||
| await for (var file in dir.list(recursive: true, followLinks: true)) { | ||
| if (file is File && file.path.endsWith(".js")) list.add(file.absolute); | ||
| } | ||
| return list; | ||
| } |
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