diff options
Diffstat (limited to 'tools/migration/crosstool_query.py')
-rw-r--r-- | tools/migration/crosstool_query.py | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/tools/migration/crosstool_query.py b/tools/migration/crosstool_query.py new file mode 100644 index 0000000..af3f7fa --- /dev/null +++ b/tools/migration/crosstool_query.py @@ -0,0 +1,53 @@ +"""Script to make automated CROSSTOOL refactorings easier. + +This script reads the CROSSTOOL file and allows for querying of its fields. +""" + +from absl import app +from absl import flags +from google.protobuf import text_format +from third_party.com.github.bazelbuild.bazel.src.main.protobuf import crosstool_config_pb2 + +flags.DEFINE_string("crosstool", None, "CROSSTOOL file path to be queried") +flags.DEFINE_string("identifier", None, + "Toolchain identifier to specify toolchain.") +flags.DEFINE_string("print_field", None, "Field to be printed to stdout.") + + +def main(unused_argv): + crosstool = crosstool_config_pb2.CrosstoolRelease() + + crosstool_filename = flags.FLAGS.crosstool + identifier = flags.FLAGS.identifier + print_field = flags.FLAGS.print_field + + if not crosstool_filename: + raise app.UsageError("ERROR crosstool unspecified") + if not identifier: + raise app.UsageError("ERROR identifier unspecified") + + if not print_field: + raise app.UsageError("ERROR print_field unspecified") + + with open(crosstool_filename, "r") as f: + text = f.read() + text_format.Merge(text, crosstool) + + toolchain_found = False + for toolchain in crosstool.toolchain: + if toolchain.toolchain_identifier == identifier: + toolchain_found = True + if not print_field: + continue + for field, value in toolchain.ListFields(): + if print_field == field.name: + print value + + if not toolchain_found: + print "toolchain_identifier %s not found, valid values are:" % identifier + for toolchain in crosstool.toolchain: + print " " + toolchain.toolchain_identifier + + +if __name__ == "__main__": + app.run(main) |