1 # Copyright 2015 gRPC authors.
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
14 """Buildgen expand filegroups plugin.
16 This takes the list of libs from our yaml dictionary,
17 and expands any and all filegroup.
22 def excluded(filename, exclude_res):
24 if r.search(filename):
37 FILEGROUP_LISTS = ['src', 'headers', 'public_headers', 'deps']
39 FILEGROUP_DEFAULTS = {
47 def mako_plugin(dictionary):
48 """The exported plugin code for expand_filegroups.
50 The list of libs in the build.yaml file can contain "filegroups" tags.
51 These refer to the filegroups in the root object. We will expand and
52 merge filegroups on the src, headers and public_headers properties.
55 libs = dictionary.get('libs')
56 targets = dictionary.get('targets')
57 filegroups_list = dictionary.get('filegroups')
58 filegroups_set = set(fg['name'] for fg in filegroups_list)
61 for fg in filegroups_list:
62 for lst in FILEGROUP_LISTS:
63 fg[lst] = fg.get(lst, [])
64 fg['own_%s' % lst] = list(fg[lst])
65 for attr, val in FILEGROUP_DEFAULTS.items():
69 todo = list(filegroups_list)
74 todo), "infinite loop in filegroup uses clauses: %r" % [
75 t['name'] for t in todo
77 # take the first element of the todo list
80 # check all uses filegroups are present (if no, skip and come back later)
82 for use in cur.get('uses', []):
83 assert use in filegroups_set, (
84 "filegroup(%s) uses non-existent %s" % (cur['name'], use))
85 if use not in filegroups:
92 assert 'plugins' not in cur
94 for uses in cur.get('uses', []):
95 for plugin in filegroups[uses]['plugins']:
96 if plugin not in plugins:
97 plugins.append(plugin)
98 for lst in FILEGROUP_LISTS:
99 vals = cur.get(lst, [])
100 vals.extend(filegroups[uses].get(lst, []))
102 cur_plugin_name = cur.get('plugin')
104 plugins.append(cur_plugin_name)
105 cur['plugins'] = plugins
106 filegroups[cur['name']] = cur
108 # build reverse dependency map
110 for thing in dictionary['libs'] + dictionary['targets'] + dictionary[
112 things[thing['name']] = thing
113 thing['used_by'] = []
114 thing_deps = lambda t: t.get('uses', []) + t.get('filegroups', []) + t.get(
116 for thing in things.values():
118 todo = thing_deps(thing)
124 things[cur]['used_by'].append(thing['name'])
125 todo.extend(thing_deps(things[cur]))
128 # the above expansion can introduce duplicate filenames: contract them here
129 for fg in filegroups.values():
130 for lst in FILEGROUP_LISTS:
131 fg[lst] = uniquify(fg.get(lst, []))
133 for tgt in dictionary['targets']:
134 for lst in FILEGROUP_LISTS:
135 tgt[lst] = tgt.get(lst, [])
136 tgt['own_%s' % lst] = list(tgt[lst])
138 for lib in libs + targets:
139 assert 'plugins' not in lib
141 for lst in FILEGROUP_LISTS:
142 vals = lib.get(lst, [])
143 lib[lst] = list(vals)
144 lib['own_%s' % lst] = list(vals)
145 for fg_name in lib.get('filegroups', []):
146 fg = filegroups[fg_name]
147 for plugin in fg['plugins']:
148 if plugin not in plugins:
149 plugins.append(plugin)
150 for lst in FILEGROUP_LISTS:
151 vals = lib.get(lst, [])
152 vals.extend(fg.get(lst, []))
154 lib['plugins'] = plugins
155 if lib.get('generate_plugin_registry', False):
156 lib['src'].append('src/core/plugin_registry/%s_plugin_registry.cc' %
158 for lst in FILEGROUP_LISTS:
159 lib[lst] = uniquify(lib.get(lst, []))