Remove frog from the repository.

frog/scripts/codegen.py

-# 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.
-
-# TODO(jimhug): Move this and other gen files into Dart.
-
-HEADER = '''// 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.
-// Generated by %s.
-
-'''
-
-EXT = '.g.dart'
-
-class CodeWriter:
-  '''Helper class for generating source code.  The main purpose right now
-  is to keep track of indentation for pretty printing.  In the future
-  much more could be added here - but I'd rather wait until we can write
-  this directly in Dart.
-  '''
-  def __init__(self, genfile):
-    self._text = []
-    self._indent = 0
-    self._genfile = genfile
-
-  def enterBlock(self, text=None):
-    if text is not None: self.writeln(text)
-    self._indent += 1
-
-  def exitBlock(self, text=None):
-    assert self._indent > 0
-    self._indent -= 1
-    if text is not None: self.writeln(text)
-
-  def writeIndent(self):
-    self._text.append('  ' * self._indent)
-
-  def writeln(self, s=None, *args):
-    if not s:
-      self._text.append('\n')
-      return
-
-    self.writeIndent()
-    if args:
-      self._text.append(s % args)
-    else:
-      self._text.append(s)
-    self._text.append('\n')
-
-  def __str__(self):
-    return ''.join(self._text)
-
-  def writeToFile(self, filename):
-    with open(filename + EXT, 'w') as f:
-      f.write(HEADER % self._genfile)
-      for line in self._text:
-        f.write(line)