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| 1 #!/usr/bin/env python | 1 #!/usr/bin/env python |
| 2 | 2 |
| 3 # Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 3 # Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 4 # for details. All rights reserved. Use of this source code is governed by a | 4 # for details. All rights reserved. Use of this source code is governed by a |
| 5 # BSD-style license that can be found in the LICENSE file. | 5 # BSD-style license that can be found in the LICENSE file. |
| 6 | 6 |
| 7 """ | 7 """ |
| 8 Legpad is used to compile .dart files to javascript, using the dart2js compiler. | 8 Legpad is used to compile .dart files to javascript, using the dart2js compiler. |
|
kustermann
2013/05/28 08:17:45
Kasper/ricow said this is no longer used. So we ca
ricow1
2013/05/28 08:21:39
s/file/full directory
Anton Muhin
2013/05/28 16:07:58
Ditto, separate CL.
| |
| 9 | 9 |
| 10 This is accomplished by creating an html file (usually called | 10 This is accomplished by creating an html file (usually called |
| 11 <something>.legpad.html) that executes the dart2js compiler when the page | 11 <something>.legpad.html) that executes the dart2js compiler when the page |
| 12 is loaded by a web browser (or DumpRenderTree). | 12 is loaded by a web browser (or content shell). |
| 13 | 13 |
| 14 The <something>.legpad.html file contains: | 14 The <something>.legpad.html file contains: |
| 15 | 15 |
| 16 1. all the dart files that compose a user's dart program | 16 1. all the dart files that compose a user's dart program |
| 17 2. all the dart files of dart:core and other standard dart libraries | 17 2. all the dart files of dart:core and other standard dart libraries |
| 18 (or any other symbol that can follow "dart:" in an import statement | 18 (or any other symbol that can follow "dart:" in an import statement |
| 19 3. legpad.dart (compiled to javascript) | 19 3. legpad.dart (compiled to javascript) |
| 20 | 20 |
| 21 The contents of each dart file is placed in a separate <script> tag. | 21 The contents of each dart file is placed in a separate <script> tag. |
| 22 | 22 |
| 23 When the html page is loaded by a browser, the leg compiler is invoked | 23 When the html page is loaded by a browser, the leg compiler is invoked |
| 24 and the dart program is compiled to javascript. The generated javascript is | 24 and the dart program is compiled to javascript. The generated javascript is |
| 25 placed in a <pre> element with id "output". | 25 placed in a <pre> element with id "output". |
| 26 | 26 |
| 27 When the html page is passed to DumpRenderTree, the dumped output will | 27 When the html page is passed to content shell, the dumped output will |
| 28 have the generated javascript. | 28 have the generated javascript. |
| 29 | 29 |
| 30 See 'example.sh' for an example of how to run legpad. | 30 See 'example.sh' for an example of how to run legpad. |
| 31 """ | 31 """ |
| 32 | 32 |
| 33 import logging | 33 import logging |
| 34 import optparse | 34 import optparse |
| 35 import os.path | 35 import os.path |
| 36 import platform | 36 import platform |
| 37 import re | 37 import re |
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| 174 if options.out: | 174 if options.out: |
| 175 # user has specified an output file name | 175 # user has specified an output file name |
| 176 self.js_file = os.path.abspath(options.out) | 176 self.js_file = os.path.abspath(options.out) |
| 177 else: | 177 else: |
| 178 # User didn't specify an output file, so use the input | 178 # User didn't specify an output file, so use the input |
| 179 # file name as the base of the output file name. | 179 # file name as the base of the output file name. |
| 180 self.js_file = self.main_file + ".legpad.js" | 180 self.js_file = self.main_file + ".legpad.js" |
| 181 | 181 |
| 182 logging.debug("js_file: '%s" % self.js_file) | 182 logging.debug("js_file: '%s" % self.js_file) |
| 183 | 183 |
| 184 # this is the html file that we pass to DumpRenderTree | 184 # this is the html file that we pass to content shell. |
| 185 self.html_file = self.main_file + ".legpad.html" | 185 self.html_file = self.main_file + ".legpad.html" |
| 186 logging.debug("html_file: '%s'" % self.html_file) | 186 logging.debug("html_file: '%s'" % self.html_file) |
| 187 | 187 |
| 188 # map from file name to File object (contains entries for all corelib | 188 # map from file name to File object (contains entries for all corelib |
| 189 # and all other dart files needed to compile main_file) | 189 # and all other dart files needed to compile main_file) |
| 190 self.name_to_file = {} | 190 self.name_to_file = {} |
| 191 | 191 |
| 192 # map from script tag id to File object | 192 # map from script tag id to File object |
| 193 self.id_to_file = {} | 193 self.id_to_file = {} |
| 194 | 194 |
| (...skipping 20 matching lines...) Expand all Loading... | |
| 215 tags.append(self._create_tag(MAIN_ID, self.shorten(self.main_file))) | 215 tags.append(self._create_tag(MAIN_ID, self.shorten(self.main_file))) |
| 216 html = HTML.replace("{{script_tags}}", "".join(tags)) | 216 html = HTML.replace("{{script_tags}}", "".join(tags)) |
| 217 | 217 |
| 218 legpad_js = os.path.join(self.legpad_dir, "legpad.dart.js") | 218 legpad_js = os.path.join(self.legpad_dir, "legpad.dart.js") |
| 219 check_exists(legpad_js) | 219 check_exists(legpad_js) |
| 220 | 220 |
| 221 html = html.replace("{{LEGPAD_JS}}", read_file(legpad_js)) | 221 html = html.replace("{{LEGPAD_JS}}", read_file(legpad_js)) |
| 222 return html | 222 return html |
| 223 | 223 |
| 224 def generate_js(self): | 224 def generate_js(self): |
| 225 drt = os.path.join(self.dart_dir, "client/tests/drt/DumpRenderTree") | 225 drt = os.path.join(self.dart_dir, "client/tests/drt/content_shell") |
| 226 if platform.system() == 'Darwin': | 226 if platform.system() == 'Darwin': |
| 227 drt += ".app" | 227 drt = os.path.join(self.dart_dir, "client/tests/drt/Content Shell.app") |
| 228 elif platform.system() == 'Windows': | 228 elif platform.system() == 'Windows': |
| 229 raise Exception("legpad does not run on Windows") | 229 raise Exception("legpad does not run on Windows") |
| 230 | 230 |
| 231 check_exists(drt) | 231 check_exists(drt) |
| 232 args = [] | 232 args = [] |
| 233 args.append(drt) | 233 args.append(drt) |
| 234 args.append(self.html_file) | 234 args.append(self.html_file) |
| 235 | 235 |
| 236 stdout = run_command(args) | 236 stdout = run_command(args) |
| 237 match = OUTPUT_JAVASCRIPT_REGEX.match(stdout) | 237 match = OUTPUT_JAVASCRIPT_REGEX.match(stdout) |
| 238 if not match: | 238 if not match: |
| 239 raise Exception("can't find regex in DumpRenderTree output") | 239 raise Exception("can't find regex in content shell output") |
| 240 return match.group(1) | 240 return match.group(1) |
| 241 | 241 |
| 242 @staticmethod | 242 @staticmethod |
| 243 def _create_tag(id, contents): | 243 def _create_tag(id, contents): |
| 244 s = SCRIPT_TAG | 244 s = SCRIPT_TAG |
| 245 s = s.replace("{{id}}", id) | 245 s = s.replace("{{id}}", id) |
| 246 # TODO(mattsh) - need to html escape here | 246 # TODO(mattsh) - need to html escape here |
| 247 s = s.replace("{{contents}}", contents) | 247 s = s.replace("{{contents}}", contents) |
| 248 return s | 248 return s |
| 249 | 249 |
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| 358 raise CommandFailedException(msg) | 358 raise CommandFailedException(msg) |
| 359 logging.debug("SUCCEEDED (%d bytes)" % len(stdout)) | 359 logging.debug("SUCCEEDED (%d bytes)" % len(stdout)) |
| 360 return stdout | 360 return stdout |
| 361 | 361 |
| 362 | 362 |
| 363 def main(argv): | 363 def main(argv): |
| 364 Pad(argv) | 364 Pad(argv) |
| 365 | 365 |
| 366 if __name__ == "__main__": | 366 if __name__ == "__main__": |
| 367 sys.exit(main(sys.argv)) | 367 sys.exit(main(sys.argv)) |
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