| """This is an experimental implementation of cc_shared_library. |
| |
| We may change the implementation at any moment or even delete this file. Do not |
| rely on this. It requires bazel >1.2 and passing the flag |
| --experimental_cc_shared_library |
| """ |
| |
| # Add this as a tag to any target that can be linked by more than one |
| # cc_shared_library because it doesn't have static initializers or anything |
| # else that may cause issues when being linked more than once. This should be |
| # used sparingly after making sure it's safe to use. |
| LINKABLE_MORE_THAN_ONCE = "LINKABLE_MORE_THAN_ONCE" |
| |
| CcSharedLibraryPermissionsInfo = provider( |
| "Permissions for a cc shared library.", |
| fields = { |
| "targets": "Matches targets that can be exported.", |
| }, |
| ) |
| GraphNodeInfo = provider( |
| "Nodes in the graph of shared libraries.", |
| fields = { |
| "children": "Other GraphNodeInfo from dependencies of this target", |
| "label": "Label of the target visited", |
| "linkable_more_than_once": "Linkable into more than a single cc_shared_library", |
| }, |
| ) |
| CcSharedLibraryInfo = provider( |
| "Information about a cc shared library.", |
| fields = { |
| "dynamic_deps": "All shared libraries depended on transitively", |
| "exports": "cc_libraries that are linked statically and exported", |
| "link_once_static_libs": "All libraries linked statically into this library that should " + |
| "only be linked once, e.g. because they have static " + |
| "initializers. If we try to link them more than once, " + |
| "we will throw an error", |
| "linker_input": "the resulting linker input artifact for the shared library", |
| "preloaded_deps": "cc_libraries needed by this cc_shared_library that should" + |
| " be linked the binary. If this is set, this cc_shared_library has to " + |
| " be a direct dependency of the cc_binary", |
| }, |
| ) |
| |
| def cc_shared_library_permissions(**kwargs): |
| native.cc_shared_library_permissions(**kwargs) |
| |
| def cc_shared_library(**kwargs): |
| native.cc_shared_library(**kwargs) |
| |
| # TODO(bazel-team): Everything below this line can be deleted when tests have |
| # been moved under bazel repo |
| def _check_if_target_under_path(value, pattern): |
| if pattern.workspace_name != value.workspace_name: |
| return False |
| if pattern.name == "__pkg__": |
| return pattern.package == value.package |
| if pattern.name == "__subpackages__": |
| return _same_package_or_above(pattern, value) |
| |
| return pattern.package == value.package and pattern.name == value.name |
| |
| def _same_package_or_above(label_a, label_b): |
| if label_a.workspace_name != label_b.workspace_name: |
| return False |
| package_a_tokenized = label_a.package.split("/") |
| package_b_tokenized = label_b.package.split("/") |
| if len(package_b_tokenized) < len(package_a_tokenized): |
| return False |
| |
| if package_a_tokenized[0] != "": |
| for i in range(len(package_a_tokenized)): |
| if package_a_tokenized[i] != package_b_tokenized[i]: |
| return False |
| |
| return True |
| |
| for_testing_dont_use_check_if_target_under_path = _check_if_target_under_path |
