Rename analyzer_experimental to analyzer.

pkg/analyzer_experimental/bin/formatter.dart

-#!/usr/bin/env dart
-
-// Copyright (c) 2013, 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:convert';
-import 'dart:io';
-
-import 'package:args/args.dart';
-import 'package:path/path.dart' as path;
-
-import 'package:analyzer_experimental/src/services/formatter_impl.dart';
-
-
-const BINARY_NAME = 'dartfmt';
-final dartFileRegExp = new RegExp(r'^[^.].*\.dart$', caseSensitive: false);
-final argParser = _initArgParser();
-final defaultSelection = new Selection(-1, -1);
-
-var formatterSettings;
-
-bool machineFormat;
-bool overwriteFileContents;
-Selection selection;
-const followLinks = false;
-
-
-main(args) {
-  var options = argParser.parse(args);
-  if (options['help']) {
-    _printUsage();
-    return;
-  }
-
-  _readOptions(options);
-
-  if (options.rest.isEmpty) {
-    _formatStdin(options);
-  } else {
-    _formatPaths(options.rest);
-  }
-}
-
-_readOptions(options) {
-  machineFormat = options['machine'];
-  overwriteFileContents = options['write'];
-  selection = _parseSelection(options['selection']);
-  formatterSettings =
-      new FormatterOptions(codeTransforms: options['transform']);
-}
-
-Selection _parseSelection(selectionOption) {
-  if (selectionOption != null) {
-    var units = selectionOption.split(',');
-    if (units.length == 2) {
-      var offset = _toInt(units[0]);
-      var length = _toInt(units[1]);
-      if (offset != null && length != null) {
-        return new Selection(offset, length);
-      }
-    }
-    throw new FormatterException('Selections are specified as integer pairs '
-                                 '(e.g., "(offset, length)".');
-  }
-}
-
-int _toInt(str) => int.parse(str, onError: (_) => null);
-
-_formatPaths(paths) {
-  paths.forEach((path) {
-    if (FileSystemEntity.isDirectorySync(path)) {
-      _formatDirectory(new Directory(path));
-    } else {
-      _formatFile(new File(path));
-    }
-  });
-}
-
-_formatResource(resource) {
-  if (resource is Directory) {
-    _formatDirectory(resource);
-  } else if (resource is File) {
-    _formatFile(resource);
-  }
-}
-
-_formatDirectory(dir) => dir.listSync(followLinks: followLinks)
-    .forEach((resource) => _formatResource(resource));
-
-_formatFile(file) {
-  if (_isDartFile(file)) {
-    try {
-      var buffer = new StringBuffer();
-      var rawSource = file.readAsStringSync();
-      var formatted = _formatCU(rawSource);
-      if (overwriteFileContents) {
-        file.writeAsStringSync(formatted);
-      } else {
-        print(formatted);
-      }
-    } catch (e) {
-      _log('Unable to format "${file.path}": $e');
-    }
-  }
-}
-
-_isDartFile(file) => dartFileRegExp.hasMatch(path.basename(file.path));
-
-_formatStdin(options) {
-  var input = new StringBuffer();
-  stdin.transform(new Utf8Decoder())
-      .listen((data) => input.write(data),
-        onError: (error) => _log('Error reading from stdin'),
-        onDone: () => print(_formatCU(input.toString())));
-}
-
-/// Initialize the arg parser instance.
-ArgParser _initArgParser() {
-  // NOTE: these flags are placeholders only!
-  var parser = new ArgParser();
-  parser.addFlag('write', abbr: 'w', negatable: false,
-      help: 'Write reformatted sources to files (overwriting contents).  '
-            'Do not print reformatted sources to standard output.');
-  parser.addFlag('machine', abbr: 'm', negatable: false,
-      help: 'Produce output in a format suitable for parsing.');
-  parser.addOption('selection', abbr: 's',
-      help: 'Specify selection information as an offset,length pair '
-            '(e.g., -s "0,4").');
-  parser.addFlag('transform', abbr: 't', negatable: true,
-      help: 'Perform code transformations.');
-  parser.addFlag('help', abbr: 'h', negatable: false,
-      help: 'Print this usage information.');
-  return parser;
-}
-
-
-/// Displays usage information.
-_printUsage() {
-  var buffer = new StringBuffer();
-  buffer..write('$BINARY_NAME formats Dart programs.')
-        ..write('\n\n')
-        ..write('Without an explicit path, $BINARY_NAME processes the standard '
-                'input.  Given a file, it operates on that file; given a '
-                'directory, it operates on all .dart files in that directory, '
-                'recursively. (Files starting with a period are ignored.) By '
-                'default, $BINARY_NAME prints the reformatted sources to '
-                'standard output.')
-        ..write('\n\n')
-        ..write('Supported flags are:')
-        ..write('Usage: $BINARY_NAME [flags] [path...]\n\n')
-        ..write('${argParser.getUsage()}\n\n');
-  _log(buffer.toString());
-}
-
-/// Format the given [src] as a compilation unit.
-String _formatCU(src) {
-  var formatResult = new CodeFormatter(formatterSettings).format(
-      CodeKind.COMPILATION_UNIT, src, selection: selection);
-  if (machineFormat) {
-    if (formatResult.selection == null) {
-      formatResult.selection = defaultSelection;
-    }
-    return _toJson(formatResult);
-  }
-  return formatResult.source;
-}
-
-_toJson(formatResult) =>
-    // Actual JSON format TBD
-    JSON.encode({'source': formatResult.source,
-                 'selection': {
-                     'offset': formatResult.selection.offset,
-                     'length': formatResult.selection.length
-                  }
-    });
-
-/// Log the given [msg].
-_log(String msg) {
-  //TODO(pquitslund): add proper log support
-  print(msg);
-}