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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_derivedsourcesallinone.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_derivedsourcesallinone.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 | |
44 import errno | |
45 import os | |
46 import os.path | |
47 import re | |
48 import subprocess | |
49 import sys | |
50 | |
51 # A regexp for finding Conditional attributes in interface definitions. | |
52 conditionalPattern = re.compile('interface[\s]*\[[^\]]*Conditional=([\_0-9a-zA-Z
&|]*)') | |
53 | |
54 copyrightTemplate = """/* | |
55 * THIS FILE WAS AUTOMATICALLY GENERATED, DO NOT EDIT. | |
56 * | |
57 * This file was generated by the action_derivedsourcesallinone.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 tha
n one conditional is specified. | |
86 def 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. | |
95 def 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. | |
111 def 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 | |
139 def 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 | |
172 def 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 | |
182 def resolveCygpath(cygdriveNames): | |
183 cmd = ['cygpath', '-f', '-', '-wa'] | |
184 process = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIP
E, stderr=subprocess.STDOUT) | |
185 idlFileNames = [] | |
186 for fileName in cygdriveNames: | |
187 process.stdin.write("%s\n" % fileName) | |
188 process.stdin.flush() | |
189 idlFileNames.append(process.stdout.readline().rstrip()) | |
190 process.stdin.close() | |
191 process.wait() | |
192 return idlFileNames | |
193 | |
194 | |
195 def main(args): | |
196 assert(len(args) > 3) | |
197 inOutBreakIndex = args.index('--') | |
198 inputFileName = args[1] | |
199 outputFileNames = args[inOutBreakIndex+1:] | |
200 | |
201 inputFile = open(inputFileName, 'r') | |
202 idlFileNames = [] | |
203 cygdriveNames = [] | |
204 for line in inputFile: | |
205 idlFileName = line.rstrip().split(' ')[0] | |
206 if idlFileName.startswith("/cygdrive"): | |
207 cygdriveNames.append(idlFileName) | |
208 else: | |
209 idlFileNames.append(idlFileName) | |
210 | |
211 if cygdriveNames: | |
212 idlFileNames.extend(resolveCygpath(cygdriveNames)) | |
213 inputFile.close() | |
214 | |
215 filesMetaData = extractMetaData(idlFileNames) | |
216 for fileName in outputFileNames: | |
217 partition = outputFileNames.index(fileName) | |
218 fileContents = generateContent(filesMetaData, partition, len(outputFileN
ames)) | |
219 writeContent(fileContents, fileName) | |
220 | |
221 return 0 | |
222 | |
223 | |
224 if __name__ == '__main__': | |
225 sys.exit(main(sys.argv)) | |
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