WebKit IDL roll.

third_party/WebCore/WebCore.gyp/scripts/action_derivedsourcesallinone.py

+#!/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.
+
+# action_derivedsourcesallinone.py generates a single cpp file that includes
+# all v8 bindings cpp files generated from idls. Files can be assigned into
+# multiple output files, to reduce maximum compilation unit size and allow
+# parallel compilation.
+#
+# usage: action_derivedsourcesallinone.py IDL_FILES_LIST -- OUTPUT_FILE1 OUTPUT_FILE2 ...
+#
+# Note that IDL_FILES_LIST is a text file containing the IDL file paths.
+
+import errno
+import os
+import os.path
+import re
+import subprocess
+import sys
+
+# A regexp for finding Conditional attributes in interface definitions.
+conditionalPattern = re.compile('interface[\s]*\[[^\]]*Conditional=([\_0-9a-zA-Z&|]*)')
+
+copyrightTemplate = """/*
+ * THIS FILE WAS AUTOMATICALLY GENERATED, DO NOT EDIT.
+ *
+ * This file was generated by the make_jni_lists.py script.
+ *
+ * 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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.
+ */
+"""
+
+
+# Wraps conditional with ENABLE() and replace '&','|' with '&&','||' if more than one conditional is specified.
+def formatConditional(conditional):
+    def wrapWithEnable(s):
+        if re.match('[|&]$', s):
+            return s * 2
+        return 'ENABLE(' + s + ')'
+    return ' '.join(map(wrapWithEnable, conditional))
+
+
+# Find the conditional interface attribute.
+def extractConditional(idlFilePath):
+    conditional = None
+
+    # Read file and look for "interface [ Conditional=XXX ]".
+    idlFile = open(idlFilePath)
+    idlContents = idlFile.read().replace('\n', '')
+    idlFile.close()
+
+    match = conditionalPattern.search(idlContents)
+    if match:
+        conditional = match.group(1)
+        conditional = re.split('([|&])', conditional)
+
+    return conditional
+
+# Extracts conditional and interface name from each IDL file.
+def extractMetaData(filePaths):
+    metaDataList = []
+
+    for f in filePaths:
+        metaData = {}
+        if len(f) == 0:
+            continue
+        if not os.path.exists(f):
+            print 'WARNING: file not found: "%s"' % f
+            continue
+
+        # Extract type name from file name
+        (parentPath, fileName) = os.path.split(f)
+        (interfaceName, ext) = os.path.splitext(fileName)
+
+        if not ext == '.idl':
+            continue
+
+        metaData = {
+            'conditional': extractConditional(f),
+            'name': interfaceName,
+        }
+
+        metaDataList.append(metaData)
+
+    return metaDataList
+
+
+def generateContent(filesMetaData, partition, totalPartitions):
+    # Sort files by conditionals.
+    filesMetaData.sort()
+
+    output = []
+
+    # Add fixed content.
+    output.append(copyrightTemplate)
+    output.append('#define NO_IMPLICIT_ATOMICSTRING\n\n')
+
+    # List all includes segmented by if and endif.
+    prevConditional = None
+    for metaData in filesMetaData:
+        name = metaData['name']
+        if (hash(name) % totalPartitions) != partition:
+            continue
+        conditional = metaData['conditional']
+
+        if prevConditional and prevConditional != conditional:
+            output.append('#endif\n')
+        if conditional and prevConditional != conditional:
+            output.append('\n#if %s\n' % formatConditional(conditional))
+
+        output.append('#include "bindings/V8%s.cpp"\n' % name)
+
+        prevConditional = conditional
+
+    if prevConditional:
+        output.append('#endif\n')
+
+    return ''.join(output)
+
+
+def writeContent(content, outputFileName):
+    (parentPath, fileName) = os.path.split(outputFileName)
+    if not os.path.exists(parentPath):
+        print parentPath
+        os.mkdir(parentPath)
+    f = open(outputFileName, 'w')
+    f.write(content)
+    f.close()
+
+
+def resolveCygpath(cygdriveNames):
+    cmd = ['cygpath', '-f', '-', '-wa']
+    process = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+    idlFileNames = []
+    for fileName in cygdriveNames:
+        process.stdin.write("%s\n" % fileName)
+        process.stdin.flush()
+        idlFileNames.append(process.stdout.readline().rstrip())
+    process.stdin.close()
+    process.wait()
+    return idlFileNames
+
+
+def main(args):
+    assert(len(args) > 3)
+    inOutBreakIndex = args.index('--')
+    inputFileName = args[1]
+    outputFileNames = args[inOutBreakIndex+1:]
+
+    inputFile = open(inputFileName, 'r')
+    idlFileNames = []
+    cygdriveNames = []
+    for line in inputFile:
+        idlFileName = line.rstrip().split(' ')[0]
+        if idlFileName.startswith("/cygdrive"):
+            cygdriveNames.append(idlFileName)
+        else:
+            idlFileNames.append(idlFileName)
+
+    if cygdriveNames:
+        idlFileNames.extend(resolveCygpath(cygdriveNames))
+    inputFile.close()
+
+    filesMetaData = extractMetaData(idlFileNames)
+    for fileName in outputFileNames:
+        partition = outputFileNames.index(fileName)
+        fileContents = generateContent(filesMetaData, partition, len(outputFileNames))
+        writeContent(fileContents, fileName)
+
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))