1# Copyright (c) 2012 Google Inc. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5import collections
6import os
7import gyp
8import gyp.common
9import gyp.msvs_emulation
10import json
11import sys
12
13generator_supports_multiple_toolsets = True
14
15generator_wants_static_library_dependencies_adjusted = False
16
17generator_default_variables = {
18}
19for dirname in ['INTERMEDIATE_DIR', 'SHARED_INTERMEDIATE_DIR', 'PRODUCT_DIR',
20                'LIB_DIR', 'SHARED_LIB_DIR']:
21  # Some gyp steps fail if these are empty(!).
22  generator_default_variables[dirname] = 'dir'
23for unused in ['RULE_INPUT_PATH', 'RULE_INPUT_ROOT', 'RULE_INPUT_NAME',
24               'RULE_INPUT_DIRNAME', 'RULE_INPUT_EXT',
25               'EXECUTABLE_PREFIX', 'EXECUTABLE_SUFFIX',
26               'STATIC_LIB_PREFIX', 'STATIC_LIB_SUFFIX',
27               'SHARED_LIB_PREFIX', 'SHARED_LIB_SUFFIX',
28               'CONFIGURATION_NAME']:
29  generator_default_variables[unused] = ''
30
31
32def CalculateVariables(default_variables, params):
33  generator_flags = params.get('generator_flags', {})
34  for key, val in generator_flags.items():
35    default_variables.setdefault(key, val)
36  default_variables.setdefault('OS', gyp.common.GetFlavor(params))
37
38  flavor = gyp.common.GetFlavor(params)
39  if flavor =='win':
40    # Copy additional generator configuration data from VS, which is shared
41    # by the Windows Ninja generator.
42    import gyp.generator.msvs as msvs_generator
43    generator_additional_non_configuration_keys = getattr(msvs_generator,
44        'generator_additional_non_configuration_keys', [])
45    generator_additional_path_sections = getattr(msvs_generator,
46        'generator_additional_path_sections', [])
47
48    gyp.msvs_emulation.CalculateCommonVariables(default_variables, params)
49
50
51def CalculateGeneratorInputInfo(params):
52  """Calculate the generator specific info that gets fed to input (called by
53  gyp)."""
54  generator_flags = params.get('generator_flags', {})
55  if generator_flags.get('adjust_static_libraries', False):
56    global generator_wants_static_library_dependencies_adjusted
57    generator_wants_static_library_dependencies_adjusted = True
58
59
60def GenerateOutput(target_list, target_dicts, data, params):
61  # Map of target -> list of targets it depends on.
62  edges = {}
63
64  # Queue of targets to visit.
65  targets_to_visit = target_list[:]
66
67  while len(targets_to_visit) > 0:
68    target = targets_to_visit.pop()
69    if target in edges:
70      continue
71    edges[target] = []
72
73    for dep in target_dicts[target].get('dependencies', []):
74      edges[target].append(dep)
75      targets_to_visit.append(dep)
76
77  filename = 'dump.json'
78  f = open(filename, 'w')
79  json.dump(edges, f)
80  f.close()
81  print 'Wrote json to %s.' % filename
82