Remove frog from the repository.

frog/frog_options.dart

-// Copyright (c) 2012, 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.
-
-/** General options used by the compiler. */
-FrogOptions options;
-
-/** Extracts options from command-line arguments. */
-void parseOptions(String homedir, List<String> args, FileSystem files) {
-  assert(options == null);
-  options = new FrogOptions(homedir, args, files);
-}
-
-// TODO(sigmund): make into a generic option parser...
-class FrogOptions {
-  /** Location of corelib and other special dart libraries. */
-  String libDir;
-
-  /* The top-level dart script to compile. */
-  String dartScript;
-
-  /* The directory to look in for "package:" scheme URIs. */
-  String packageRoot;
-
-  /** Where to place the generated code. */
-  String outfile;
-
-  // TODO(dgrove): fix this. For now, either 'sdk' or 'dev'.
-  final config = 'dev';
-
-  // Options that modify behavior significantly
-  bool legOnly = false;
-  bool allowMockCompilation = false;
-  bool enableAsserts = false;
-  bool enableTypeChecks = false;
-  bool warningsAsErrors = false;
-  bool verifyImplements = false; // TODO(jimhug): Implement
-  bool compileAll = false;
-  bool forceDynamic = false;
-  bool dietParse = false;
-  bool compileOnly = false;
-  bool inferTypes = false;
-  bool checkOnly = false;
-  bool ignoreUnrecognizedFlags = false;
-  bool emitCodeComments = false;
-
-  // Specifies non-compliant behavior where array bounds checks are
-  // not implemented in generated code.
-  bool disableBoundsChecks = false;
-
-  // Message support
-  bool throwOnErrors = false;
-  bool throwOnWarnings = false;
-  bool throwOnFatal = false;
-  bool showInfo = false;
-  bool showWarnings = true;
-  bool useColors = true;
-
-  // Not currently settable via command line.
-  // Intended for use by compiler implementer during debugging.
-  // TODO(jmesserly): what are the right values for these?
-  int maxInferenceIterations = 4;
-
-  /**
-   * Options to be used later for passing to the generated code. These are all
-   * the arguments after the first dart script, if any.
-   */
-  List<String> childArgs;
-
-  FrogOptions(String homedir, List<String> args, FileSystem files) {
-    if (config == 'dev') {
-      libDir = joinPaths(homedir, '/lib'); // Default value for --libdir.
-    } else if (config == 'sdk') {
-      libDir = joinPaths(homedir, '/../lib');
-    } else {
-      world.error('Invalid configuration $config', null);
-      throw('Invalid configuration');
-    }
-
-    bool passedLibDir = false;
-    childArgs = [];
-
-    // Start from 2 to skip arguments representing the compiler command
-    // (python followed by frog.py).
-    loop: for (int i = 2; i < args.length; i++) {
-      var arg = args[i];
-      if (tryParseSimpleOption(arg)) continue;
-      if (arg.endsWith('.dart')) {
-        dartScript = arg;
-        childArgs = args.getRange(i + 1, args.length - i - 1);
-        break loop;
-      } else if (arg.startsWith('--out=')) {
-        outfile = arg.substring('--out='.length);
-      } else if (arg.startsWith('--libdir=')) {
-        libDir = arg.substring('--libdir='.length);
-        passedLibDir = true;
-      } else if (arg.startsWith('--package-root')) {
-        packageRoot = arg.substring('--package-root='.length);
-      } else if (!ignoreUnrecognizedFlags) {
-        print('unrecognized flag: "$arg"');
-      }
-    }
-
-    // TODO(jimhug): Remove this hack.
-    if (!passedLibDir && config == 'dev' && !files.fileExists(libDir)) {
-      // Try locally
-      var temp = 'frog/lib';
-      if (files.fileExists(temp)) {
-        libDir = temp;
-      } else {
-        libDir = 'lib';
-      }
-    }
-  }
-
-  bool tryParseSimpleOption(String option) {
-    if (!option.startsWith('--')) return false;
-    switch (option.replaceAll('_', '-')) {
-      case '--leg':
-      case '--enable-leg':
-      case '--leg-only':
-        legOnly = true;
-        return true;
-
-      case '--allow-mock-compilation':
-        allowMockCompilation = true;
-        return true;
-
-      case '--enable-asserts':
-        enableAsserts = true;
-        return true;
-
-      case '--enable-type-checks':
-        enableTypeChecks = true;
-        enableAsserts = true;  // TODO(kasperl): Remove once VM stops.
-        return true;
-
-      case '--verify-implements':
-        verifyImplements = true;
-        return true;
-
-      case '--compile-all':
-        compileAll = true;
-        return true;
-
-      case '--check-only':
-        checkOnly = true;
-        return true;
-
-      case '--diet-parse':
-        dietParse = true;
-        return true;
-
-      case '--ignore-unrecognized-flags':
-        ignoreUnrecognizedFlags = true;
-        return true;
-
-      case '--verbose':
-        showInfo = true;
-        return true;
-
-      case '--suppress-warnings':
-        showWarnings = false;
-        return true;
-
-      case '--warnings-as-errors':
-        warningsAsErrors = true;
-        return true;
-
-      case '--throw-on-errors':
-        throwOnErrors = true;
-        return true;
-
-      case '--throw-on-warnings':
-        throwOnWarnings = true;
-        return true;
-
-      case '--compile-only':
-        // As opposed to compiling and running, the default behavior.
-        compileOnly = true;
-        return true;
-
-      case '--Xforce-dynamic':
-        forceDynamic = true;
-        return true;
-
-      case '--no-colors':
-        useColors = false;
-        return true;
-
-      case '--Xinfer-types':
-        inferTypes = true;
-        return true;
-
-      case '--enable-checked-mode':
-      case '--checked':
-        enableTypeChecks = true;
-        enableAsserts = true;
-        return true;
-
-      case '--unchecked':
-        disableBoundsChecks = true;
-        return true;
-
-      case '--emit-code-comments':
-        emitCodeComments = true;
-        return true;
-    }
-    return false;
-  }
-}