1#!/usr/bin/python 2# 3# Copyright (C) 2009 Google Inc. All rights reserved. 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions are 7# met: 8# 9# * Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# * Redistributions in binary form must reproduce the above 12# copyright notice, this list of conditions and the following disclaimer 13# in the documentation and/or other materials provided with the 14# distribution. 15# * Neither the name of Google Inc. nor the names of its 16# contributors may be used to endorse or promote products derived from 17# this software without specific prior written permission. 18# 19# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30# 31# Copyright (c) 2009 The Chromium Authors. All rights reserved. 32# Use of this source code is governed by a BSD-style license that can be 33# found in the LICENSE file. 34 35# action_derivedsourceslist.py generates a single cpp file that includes 36# all v8 bindings cpp files generated from idls. Files can be assigned into 37# multiple output files, to reduce maximum compilation unit size and allow 38# parallel compilation. 39# 40# usage: action_derivedsourceslist.py IDL_FILES_LIST -- OUTPUT_FILE1 OUTPUT_FILE2 ... 41# 42# Note that IDL_FILES_LIST is a text file containing the IDL file paths. 43 44import errno 45import os 46import os.path 47import re 48import subprocess 49import sys 50 51# A regexp for finding Conditional attributes in interface definitions. 52conditionalPattern = re.compile('interface[\s]*\[[^\]]*Conditional=([\_0-9a-zA-Z&|]*)') 53 54copyrightTemplate = """/* 55 * THIS FILE WAS AUTOMATICALLY GENERATED, DO NOT EDIT. 56 * 57 * This file was generated by the make_jni_lists.py script. 58 * 59 * Copyright (C) 2009 Google Inc. All rights reserved. 60 * 61 * Redistribution and use in source and binary forms, with or without 62 * modification, are permitted provided that the following conditions 63 * are met: 64 * 1. Redistributions of source code must retain the above copyright 65 * notice, this list of conditions and the following disclaimer. 66 * 2. Redistributions in binary form must reproduce the above copyright 67 * notice, this list of conditions and the following disclaimer in the 68 * documentation and/or other materials provided with the distribution. 69 * 70 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 71 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 72 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 73 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 74 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 75 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 76 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 77 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 78 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 79 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 80 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 81 */ 82""" 83 84 85# Wraps conditional with ENABLE() and replace '&','|' with '&&','||' if more than one conditional is specified. 86def formatConditional(conditional): 87 def wrapWithEnable(s): 88 if re.match('[|&]$', s): 89 return s * 2 90 return 'ENABLE(' + s + ')' 91 return ' '.join(map(wrapWithEnable, conditional)) 92 93 94# Find the conditional interface attribute. 95def extractConditional(idlFilePath): 96 conditional = None 97 98 # Read file and look for "interface [ Conditional=XXX ]". 99 idlFile = open(idlFilePath) 100 idlContents = idlFile.read().replace('\n', '') 101 idlFile.close() 102 103 match = conditionalPattern.search(idlContents) 104 if match: 105 conditional = match.group(1) 106 conditional = re.split('([|&])', conditional) 107 108 return conditional 109 110# Extracts conditional and interface name from each IDL file. 111def extractMetaData(filePaths): 112 metaDataList = [] 113 114 for f in filePaths: 115 metaData = {} 116 if len(f) == 0: 117 continue 118 if not os.path.exists(f): 119 print 'WARNING: file not found: "%s"' % f 120 continue 121 122 # Extract type name from file name 123 (parentPath, fileName) = os.path.split(f) 124 (interfaceName, ext) = os.path.splitext(fileName) 125 126 if not ext == '.idl': 127 continue 128 129 metaData = { 130 'conditional': extractConditional(f), 131 'name': interfaceName, 132 } 133 134 metaDataList.append(metaData) 135 136 return metaDataList 137 138 139def generateContent(filesMetaData, partition, totalPartitions): 140 # Sort files by conditionals. 141 filesMetaData.sort() 142 143 output = [] 144 145 # Add fixed content. 146 output.append(copyrightTemplate) 147 output.append('#define NO_IMPLICIT_ATOMICSTRING\n\n') 148 149 # List all includes segmented by if and endif. 150 prevConditional = None 151 for metaData in filesMetaData: 152 name = metaData['name'] 153 if (hash(name) % totalPartitions) != partition: 154 continue 155 conditional = metaData['conditional'] 156 157 if prevConditional and prevConditional != conditional: 158 output.append('#endif\n') 159 if conditional and prevConditional != conditional: 160 output.append('\n#if %s\n' % formatConditional(conditional)) 161 162 output.append('#include "bindings/V8%s.cpp"\n' % name) 163 164 prevConditional = conditional 165 166 if prevConditional: 167 output.append('#endif\n') 168 169 return ''.join(output) 170 171 172def writeContent(content, outputFileName): 173 (parentPath, fileName) = os.path.split(outputFileName) 174 if not os.path.exists(parentPath): 175 print parentPath 176 os.mkdir(parentPath) 177 f = open(outputFileName, 'w') 178 f.write(content) 179 f.close() 180 181 182def main(args): 183 assert(len(args) > 3) 184 inOutBreakIndex = args.index('--') 185 inputFileName = args[1] 186 outputFileNames = args[inOutBreakIndex+1:] 187 188 inputFile = open(inputFileName, 'r') 189 idlFileNames = inputFile.read().split('\n') 190 inputFile.close() 191 192 filesMetaData = extractMetaData(idlFileNames) 193 for fileName in outputFileNames: 194 print 'Generating derived sources list into %s...' % fileName 195 partition = outputFileNames.index(fileName) 196 fileContents = generateContent(filesMetaData, partition, len(outputFileNames)) 197 writeContent(fileContents, fileName) 198 199 return 0 200 201 202if __name__ == '__main__': 203 sys.exit(main(sys.argv)) 204