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1 # Copyright (c) 2014 Google Inc. All rights reserved. | 1 # Copyright (c) 2014 Google Inc. All rights reserved. |
2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
4 | 4 |
5 """ | 5 """ |
6 This script is intended for use as a GYP_GENERATOR. It takes as input (by way of | 6 This script is intended for use as a GYP_GENERATOR. It takes as input (by way of |
7 the generator flag config_path) the path of a json file that dictates the files | 7 the generator flag config_path) the path of a json file that dictates the files |
8 and targets to search for. The following keys are supported: | 8 and targets to search for. The following keys are supported: |
9 files: list of paths (relative) of the files to search for. | 9 files: list of paths (relative) of the files to search for. |
10 targets: list of targets to search for. The target names are unqualified. | 10 targets: list of targets to search for. The target names are unqualified. |
11 | 11 |
12 The following (as JSON) is output: | 12 The following is output: |
13 error: only supplied if there is an error. | 13 error: only supplied if there is an error. |
| 14 warning: only supplied if there is a warning. |
14 targets: the set of targets passed in via targets that either directly or | 15 targets: the set of targets passed in via targets that either directly or |
15 indirectly depend upon the set of paths supplied in files. | 16 indirectly depend upon the set of paths supplied in files. |
16 status: indicates if any of the supplied files matched at least one target. | 17 status: indicates if any of the supplied files matched at least one target. |
| 18 |
| 19 If the generator flag analyzer_output_path is specified, output is written |
| 20 there. Otherwise output is written to stdout. |
17 """ | 21 """ |
18 | 22 |
19 import gyp.common | 23 import gyp.common |
20 import gyp.ninja_syntax as ninja_syntax | 24 import gyp.ninja_syntax as ninja_syntax |
21 import json | 25 import json |
22 import os | 26 import os |
23 import posixpath | 27 import posixpath |
24 import sys | 28 import sys |
25 | 29 |
26 debug = False | 30 debug = False |
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286 directly on indirectly) on the matched files. | 290 directly on indirectly) on the matched files. |
287 all_targets: mapping from target name to Target. | 291 all_targets: mapping from target name to Target. |
288 possible_targets: targets to search from.""" | 292 possible_targets: targets to search from.""" |
289 found = [] | 293 found = [] |
290 for target in possible_targets: | 294 for target in possible_targets: |
291 if _DoesTargetDependOn(all_targets[target], all_targets): | 295 if _DoesTargetDependOn(all_targets[target], all_targets): |
292 # possible_targets was initially unqualified, keep it unqualified. | 296 # possible_targets was initially unqualified, keep it unqualified. |
293 found.append(gyp.common.ParseQualifiedTarget(target)[1]) | 297 found.append(gyp.common.ParseQualifiedTarget(target)[1]) |
294 return found | 298 return found |
295 | 299 |
| 300 def _WriteOutput(params, **values): |
| 301 """Writes the output, either to stdout or a file is specified.""" |
| 302 output_path = params.get('generator_flags', {}).get( |
| 303 'analyzer_output_path', None) |
| 304 if not output_path: |
| 305 print json.dumps(values) |
| 306 return |
| 307 try: |
| 308 f = open(output_path, 'w') |
| 309 f.write(json.dumps(values) + '\n') |
| 310 f.close() |
| 311 except IOError as e: |
| 312 print 'Error writing to output file', output_path, str(e) |
| 313 |
296 def CalculateVariables(default_variables, params): | 314 def CalculateVariables(default_variables, params): |
297 """Calculate additional variables for use in the build (called by gyp).""" | 315 """Calculate additional variables for use in the build (called by gyp).""" |
298 flavor = gyp.common.GetFlavor(params) | 316 flavor = gyp.common.GetFlavor(params) |
299 if flavor == 'mac': | 317 if flavor == 'mac': |
300 default_variables.setdefault('OS', 'mac') | 318 default_variables.setdefault('OS', 'mac') |
301 elif flavor == 'win': | 319 elif flavor == 'win': |
302 default_variables.setdefault('OS', 'win') | 320 default_variables.setdefault('OS', 'win') |
303 # Copy additional generator configuration data from VS, which is shared | 321 # Copy additional generator configuration data from VS, which is shared |
304 # by the Windows Ninja generator. | 322 # by the Windows Ninja generator. |
305 import gyp.generator.msvs as msvs_generator | 323 import gyp.generator.msvs as msvs_generator |
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335 | 353 |
336 all_targets, matched = __GenerateTargets(target_list, target_dicts, | 354 all_targets, matched = __GenerateTargets(target_list, target_dicts, |
337 toplevel_dir, | 355 toplevel_dir, |
338 frozenset(config.files)) | 356 frozenset(config.files)) |
339 | 357 |
340 # Set of targets that refer to one of the files. | 358 # Set of targets that refer to one of the files. |
341 if config.look_for_dependency_only: | 359 if config.look_for_dependency_only: |
342 print found_dependency_string if matched else no_dependency_string | 360 print found_dependency_string if matched else no_dependency_string |
343 return | 361 return |
344 | 362 |
| 363 warning = None |
345 if matched: | 364 if matched: |
346 unqualified_mapping = _GetUnqualifiedToQualifiedMapping( | 365 unqualified_mapping = _GetUnqualifiedToQualifiedMapping( |
347 all_targets, config.targets) | 366 all_targets, config.targets) |
348 if len(unqualified_mapping) != len(config.targets): | 367 if len(unqualified_mapping) != len(config.targets): |
349 not_found = [] | 368 not_found = [] |
350 for target in config.targets: | 369 for target in config.targets: |
351 if not target in unqualified_mapping: | 370 if not target in unqualified_mapping: |
352 not_found.append(target) | 371 not_found.append(target) |
353 raise Exception('Unable to find all targets: ' + str(not_found)) | 372 warning = 'Unable to find all targets: ' + str(not_found) |
354 qualified_targets = [unqualified_mapping[x] for x in config.targets] | 373 qualified_targets = [] |
| 374 for target in config.targets: |
| 375 if target in unqualified_mapping: |
| 376 qualified_targets.append(unqualified_mapping[target]) |
355 output_targets = _GetTargetsDependingOn(all_targets, qualified_targets) | 377 output_targets = _GetTargetsDependingOn(all_targets, qualified_targets) |
356 else: | 378 else: |
357 output_targets = [] | 379 output_targets = [] |
358 | 380 |
359 print json.dumps( | 381 result_dict = { 'targets': output_targets, |
360 {'targets': output_targets, | 382 'status': found_dependency_string if matched else |
361 'status': found_dependency_string if matched else no_dependency_string }) | 383 no_dependency_string } |
| 384 if warning: |
| 385 result_dict['warning'] = warning |
| 386 _WriteOutput(params, **result_dict) |
362 | 387 |
363 except Exception as e: | 388 except Exception as e: |
364 print json.dumps({'error': str(e)}) | 389 _WriteOutput(params, error=str(e)) |
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