1 files changed, 101 insertions, 0 deletions
diff --git a/WebCore/WebCore.gyp/scripts/action_maketokenizer.py b/WebCore/WebCore.gyp/scripts/action_maketokenizer.py
new file mode 100644
index 0000000..f4a28ee
--- /dev/null
+++ b/WebCore/WebCore.gyp/scripts/action_maketokenizer.py
@@ -0,0 +1,101 @@
+#!/usr/bin/python
+#
+# Copyright (C) 2009 Google Inc. All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+# 
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# usage: action_maketokenizer.py OUTPUTS -- INPUTS
+#
+# Multiple INPUTS may be listed. The sections are separated by -- arguments.
+#
+# OUTPUTS must contain a single item: a path to tokenizer.cpp.
+#
+# INPUTS must contain exactly two items. The first item must be the path to
+# maketokenizer. The second item must be the path to tokenizer.flex.
+
+
+import os
+import subprocess
+import sys
+
+
+def SplitArgsIntoSections(args):
+    sections = []
+    while len(args) > 0:
+        if not '--' in args:
+            # If there is no '--' left, everything remaining is an entire section.
+            dashes = len(args)
+        else:
+            dashes = args.index('--')
+
+        sections.append(args[:dashes])
+
+        # Next time through the loop, look at everything after this '--'.
+        if dashes + 1 == len(args):
+            # If the '--' is at the end of the list, we won't come back through the
+            # loop again. Add an empty section now corresponding to the nothingness
+            # following the final '--'.
+            args = []
+            sections.append(args)
+        else:
+            args = args[dashes + 1:]
+
+    return sections
+
+
+def main(args):
+    sections = SplitArgsIntoSections(args[1:])
+    assert len(sections) == 2
+    (outputs, inputs) = sections
+
+    assert len(outputs) == 1
+    output = outputs[0]
+
+    assert len(inputs) == 2
+    maketokenizer = inputs[0]
+    flexInput = inputs[1]
+
+    # Do it. check_call is new in 2.5, so simulate its behavior with call and
+    # assert.
+    outfile = open(output, 'wb')
+    p1 = subprocess.Popen(['flex', '-t', flexInput], stdout=subprocess.PIPE)
+    p2 = subprocess.Popen(['perl', maketokenizer], stdin=p1.stdout, stdout=outfile)
+
+    r1 = p1.wait()
+    r2 = p2.wait()
+    assert r1 == 0
+    assert r2 == 0
+
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))