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Unified Diff: pkg/analyzer_experimental/lib/options.dart

Issue 45573002: Rename analyzer_experimental to analyzer. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Tweaks before publishing. Created 7 years, 2 months ago
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Index: pkg/analyzer_experimental/lib/options.dart
diff --git a/pkg/analyzer_experimental/lib/options.dart b/pkg/analyzer_experimental/lib/options.dart
deleted file mode 100644
index 32fc49ae4a03bfe06feae835805687b02a9b882c..0000000000000000000000000000000000000000
--- a/pkg/analyzer_experimental/lib/options.dart
+++ /dev/null
@@ -1,286 +0,0 @@
-// 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.
-
-library options;
-
-import 'package:args/args.dart';
-import 'package:path/path.dart';
-
-import 'dart:io';
-
-
-const _BINARY_NAME = 'dartanalyzer';
-
-/**
- * Analyzer commandline configuration options.
- */
-class CommandLineOptions {
-
- /** Batch mode (for unit testing) */
- final bool shouldBatch;
-
- /** Whether to use machine format for error display */
- final bool machineFormat;
-
- /** Whether to display version information */
- final bool displayVersion;
-
- /** Whether to report hints */
- final bool disableHints;
-
- /** Whether to ignore unrecognized flags */
- final bool ignoreUnrecognizedFlags;
-
- /** Whether to show performance statistics */
- final bool perf;
-
- /** Whether to show package: warnings */
- final bool showPackageWarnings;
-
- /** Whether to show SDK warnings */
- final bool showSdkWarnings;
-
- /** Whether to treat warnings as fatal */
- final bool warningsAreFatal;
-
- /** The path to the dart SDK */
- final String dartSdkPath;
-
- /** The path to the package root */
- final String packageRootPath;
-
- /** The source files to analyze */
- final List<String> sourceFiles;
-
- /**
- * Initialize options from the given parsed [args].
- */
- CommandLineOptions._fromArgs(ArgResults args)
- : shouldBatch = args['batch'],
- machineFormat = args['machine'] || args['format'] == 'machine',
- displayVersion = args['version'],
- disableHints = args['no-hints'],
- ignoreUnrecognizedFlags = args['ignore-unrecognized-flags'],
- perf = args['perf'],
- showPackageWarnings = args['show-package-warnings'] || args['package-warnings'],
- showSdkWarnings = args['show-sdk-warnings'] || args['warnings'],
- warningsAreFatal = args['fatal-warnings'],
- dartSdkPath = args['dart-sdk'],
- packageRootPath = args['package-root'],
- sourceFiles = args.rest;
-
- /**
- * Parse [args] into [CommandLineOptions] describing the specified
- * analyzer options. In case of a format error, prints error and exists.
- */
- static CommandLineOptions parse(List<String> args) {
- CommandLineOptions options = _parse(args);
- // check SDK
- {
- var sdkPath = options.dartSdkPath;
- // check that SDK is specified
- if (sdkPath == null) {
- print('Usage: $_BINARY_NAME: no Dart SDK found.');
- exit(15);
- }
- // check that SDK is existing directory
- if (!(new Directory(sdkPath)).existsSync()) {
- print('Usage: $_BINARY_NAME: invalid Dart SDK path: $sdkPath');
- exit(15);
- }
- }
- // OK
- return options;
- }
-
- static CommandLineOptions _parse(List<String> args) {
- args = args.expand((String arg) => arg.split('=')).toList();
- var parser = new _CommandLineParser()
- ..addFlag('batch', abbr: 'b', help: 'Run in batch mode',
- defaultsTo: false, negatable: false)
- ..addOption('dart-sdk', help: 'The path to the Dart SDK')
- ..addOption('package-root', abbr: 'p',
- help: 'The path to the package root')
- ..addOption('format',
- help: 'Specifies the format in which errors are displayed')
- ..addFlag('machine',
- help: 'Print errors in a format suitable for parsing (deprecated)',
- defaultsTo: false, negatable: false)
- ..addFlag('version', help: 'Print the analyzer version',
- defaultsTo: false, negatable: false)
- ..addFlag('no-hints', help: 'Do not show hint results',
- defaultsTo: false, negatable: false)
- ..addFlag('ignore-unrecognized-flags',
- help: 'Ignore unrecognized command line flags',
- defaultsTo: false, negatable: false)
- ..addFlag('fatal-warnings', help: 'Treat non-type warnings as fatal',
- defaultsTo: false, negatable: false)
- ..addFlag('package-warnings',
- help: 'Show warnings from package: imports',
- defaultsTo: false, negatable: false)
- ..addFlag('show-package-warnings',
- help: 'Show warnings from package: imports (deprecated)',
- defaultsTo: false, negatable: false)
- ..addFlag('perf',
- help: 'Show performance statistics',
- defaultsTo: false, negatable: false)
- ..addFlag('warnings', help: 'Show warnings from SDK imports',
- defaultsTo: false, negatable: false)
- ..addFlag('show-sdk-warnings', help: 'Show warnings from SDK imports (deprecated)',
- defaultsTo: false, negatable: false)
- ..addFlag('help', abbr: 'h', help: 'Display this help message',
- defaultsTo: false, negatable: false);
-
- try {
- // TODO(scheglov) https://code.google.com/p/dart/issues/detail?id=11061
- args = args.map((String arg) => arg == '-batch' ? '--batch' : arg).toList();
- var results = parser.parse(args);
- // help requests
- if (results['help']) {
- _showUsage(parser);
- exit(0);
- }
- // batch mode and input files
- if (results['batch']) {
- if (results.rest.isNotEmpty) {
- print('No source files expected in the batch mode.');
- _showUsage(parser);
- exit(15);
- }
- } else if (results['version']) {
- print('$_BINARY_NAME version ${_getVersion()}');
- exit(0);
- } else {
- if (results.rest.isEmpty) {
- _showUsage(parser);
- exit(15);
- }
- }
- return new CommandLineOptions._fromArgs(results);
- } on FormatException catch (e) {
- print(e.message);
- _showUsage(parser);
- exit(15);
- }
-
- }
-
- static _showUsage(parser) {
- print('Usage: $_BINARY_NAME [options...] <libraries to analyze...>');
- print(parser.getUsage());
- print('');
- print('For more information, see http://www.dartlang.org/tools/analyzer.');
- }
-
- static String _getVersion() {
- try {
- String versionPath = join(dirname(Platform.script), '..', 'version');;
- File versionFile = new File(versionPath);
- return versionFile.readAsStringSync().trim();
- } catch (_) {
- // This happens when the script is not running in the context of an SDK.
- return "<unknown>";
- }
- }
-}
-
-/**
- * Commandline argument parser.
- *
- * TODO(pquitslund): when the args package supports ignoring unrecognized
- * options/flags, this class can be replaced with a simple [ArgParser] instance.
- */
-class _CommandLineParser {
-
- final List<String> _knownFlags;
- final ArgParser _parser;
-
- /** Creates a new command line parser */
- _CommandLineParser()
- : _knownFlags = <String>[],
- _parser = new ArgParser();
-
-
- /**
- * Defines a flag.
- *
- * See [ArgParser.addFlag()].
- */
- void addFlag(String name, {String abbr, String help, bool defaultsTo: false,
- bool negatable: true, void callback(bool value)}) {
- _knownFlags.add(name);
- _parser.addFlag(name, abbr: abbr, help: help, defaultsTo: defaultsTo,
- negatable: negatable, callback: callback);
- }
-
- /**
- * Defines a value-taking option.
- *
- * See [ArgParser.addOption()].
- */
- void addOption(String name, {String abbr, String help, List<String> allowed,
- Map<String, String> allowedHelp, String defaultsTo,
- void callback(value), bool allowMultiple: false}) {
- _knownFlags.add(name);
- _parser.addOption(name, abbr: abbr, help: help, allowed: allowed,
- allowedHelp: allowedHelp, defaultsTo: defaultsTo, callback: callback,
- allowMultiple: allowMultiple);
- }
-
-
- /**
- * Generates a string displaying usage information for the defined options.
- *
- * See [ArgParser.getUsage()].
- */
- String getUsage() => _parser.getUsage();
-
- /**
- * Parses [args], a list of command-line arguments, matches them against the
- * flags and options defined by this parser, and returns the result.
- *
- * See [ArgParser].
- */
- ArgResults parse(List<String> args) => _parser.parse(_filterUnknowns(args));
-
- List<String> _filterUnknowns(args) {
-
- // Only filter args if the ignore flag is specified.
- if (!args.contains('--ignore-unrecognized-flags')) {
- return args;
- }
-
- //TODO(pquitslund): replace w/ the following once library skew issues are sorted out
- //return args.where((arg) => !arg.startsWith('--') ||
- // _knownFlags.contains(arg.substring(2)));
-
- // Filter all unrecognized flags and options.
- var filtered = <String>[];
- for (var i=0; i < args.length; ++i) {
- var arg = args[i];
- if (arg.startsWith('--') && arg.length > 2) {
- if (!_knownFlags.contains(arg.substring(2))) {
- print('remove: $arg');
- //"eat" params by advancing to the next flag/option
- i = _getNextFlagIndex(args, i);
- } else {
- filtered.add(arg);
- }
- } else {
- filtered.add(arg);
- }
- }
-
- return filtered;
- }
-
- _getNextFlagIndex(args, i) {
- for ( ; i < args.length; ++i) {
- if (args[i].startsWith('--')) {
- return i;
- }
- }
- return i;
- }
-}
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