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195 lines
6.4 KiB
195 lines
6.4 KiB
#!/usr/bin/env python3
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#
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# Copyright (C) 2018 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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"""This script scans all Android.bp in an android source tree and check the
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correctness of dependencies."""
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import copy
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from blueprint import RecursiveParser, evaluate_defaults, fill_module_namespaces
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class Module(object):
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"""The class for Blueprint module definition."""
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def __init__(self, rule, attrs):
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"""Initialize from a module definition."""
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self.rule = rule
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self._attrs = attrs
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def get_property(self, *names, **kwargs):
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"""Get a property in the module definition."""
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try:
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result = self._attrs
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for name in names:
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result = result[name]
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return result
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except KeyError:
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return kwargs.get('default', None)
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def is_vndk(self):
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"""Check whether this module is a VNDK shared library."""
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return bool(self.get_property('vndk', 'enabled'))
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def is_vndk_sp(self):
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"""Check whether this module is a VNDK-SP shared library."""
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return bool(self.get_property('vndk', 'support_system_process'))
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def is_vendor(self):
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"""Check whether this module is a vendor module."""
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return bool(self.get_property('vendor') or
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self.get_property('proprietary'))
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def is_vendor_available(self):
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"""Check whether this module is vendor available."""
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return bool(self.get_property('vendor_available'))
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def has_vendor_variant(self):
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"""Check whether the module is VNDK or vendor available."""
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return self.is_vndk() or self.is_vendor_available()
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def get_name(self):
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"""Get the module name."""
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return self.get_property('name')
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def get_dependencies(self):
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"""Get module dependencies."""
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shared_libs = set(self.get_property('shared_libs', default=[]))
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static_libs = set(self.get_property('static_libs', default=[]))
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header_libs = set(self.get_property('header_libs', default=[]))
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target_vendor = self.get_property('target', 'vendor')
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if target_vendor:
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shared_libs -= set(target_vendor.get('exclude_shared_libs', []))
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static_libs -= set(target_vendor.get('exclude_static_libs', []))
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header_libs -= set(target_vendor.get('exclude_header_libs', []))
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return (sorted(shared_libs), sorted(static_libs), sorted(header_libs))
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class ModuleClassifier(object):
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"""Dictionaries (all_libs, vndk_libs, vndk_sp_libs,
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vendor_available_libs, and llndk_libs) for modules."""
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def __init__(self):
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self.all_libs = {}
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self.vndk_libs = {}
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self.vndk_sp_libs = {}
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self.vendor_available_libs = {}
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self.llndk_libs = {}
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def add_module(self, name, module):
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"""Add a module to one or more dictionaries."""
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# If this is an llndk_library, add the module to llndk_libs and return.
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if module.rule == 'llndk_library':
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if name in self.llndk_libs:
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raise ValueError('lldnk name {!r} conflicts'.format(name))
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self.llndk_libs[name] = module
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return
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# Check the module name uniqueness.
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prev_module = self.all_libs.get(name)
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if prev_module:
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# If there are two modules with the same module name, pick the one
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# without _prebuilt_library_shared.
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if module.rule.endswith('_prebuilt_library_shared'):
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return
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if not prev_module.rule.endswith('_prebuilt_library_shared'):
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raise ValueError('module name {!r} conflicts'.format(name))
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# Add the module to dictionaries.
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self.all_libs[name] = module
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if module.is_vndk():
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self.vndk_libs[name] = module
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if module.is_vndk_sp():
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self.vndk_sp_libs[name] = module
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if module.is_vendor_available():
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self.vendor_available_libs[name] = module
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def _add_modules_from_parsed_pairs(self, parsed_items, namespaces):
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"""Add modules from the parsed (rule, attrs) pairs."""
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for rule, attrs in parsed_items:
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name = attrs.get('name')
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if name is None:
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continue
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namespace = attrs.get('_namespace')
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if namespace not in namespaces:
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continue
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if rule == 'llndk_library':
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self.add_module(name, Module(rule, attrs))
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if rule in {'llndk_library', 'ndk_library'}:
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continue
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if rule.endswith('_library') or \
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rule.endswith('_library_shared') or \
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rule.endswith('_library_static') or \
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rule.endswith('_headers'):
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self.add_module(name, Module(rule, attrs))
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continue
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if rule == 'hidl_interface':
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attrs['vendor_available'] = True
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self.add_module(name, Module(rule, attrs))
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adapter_module_name = name + '-adapter-helper'
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adapter_module_dict = copy.deepcopy(attrs)
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adapter_module_dict['name'] = adapter_module_name
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self.add_module(adapter_module_name,
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Module(rule, adapter_module_dict))
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continue
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def parse_root_bp(self, root_bp_path, namespaces=None):
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"""Parse blueprint files and add module definitions."""
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namespaces = {''} if namespaces is None else set(namespaces)
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parser = RecursiveParser()
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parser.parse_file(root_bp_path)
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parsed_items = evaluate_defaults(parser.modules)
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parsed_items = fill_module_namespaces(root_bp_path, parsed_items)
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self._add_modules_from_parsed_pairs(parsed_items, namespaces)
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@classmethod
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def create_from_root_bp(cls, root_bp_path, namespaces=None):
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"""Create a ModuleClassifier from a root blueprint file."""
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result = cls()
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result.parse_root_bp(root_bp_path, namespaces)
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return result
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