Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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101 lines
4.0 KiB
101 lines
4.0 KiB
# Copyright (c) 2009-2021, Google LLC |
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# All rights reserved. |
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# |
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# Redistribution and use in source and binary forms, with or without |
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# modification, are permitted provided that the following conditions are met: |
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# * Redistributions of source code must retain the above copyright |
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# notice, this list of conditions and the following disclaimer. |
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# * Redistributions in binary form must reproduce the above copyright |
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# notice, this list of conditions and the following disclaimer in the |
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# documentation and/or other materials provided with the distribution. |
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# * Neither the name of Google LLC nor the |
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# names of its contributors may be used to endorse or promote products |
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# derived from this software without specific prior written permission. |
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# |
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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# DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY |
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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"""Internal rules for building upb.""" |
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_DEFAULT_CPPOPTS = [] |
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_DEFAULT_COPTS = [] |
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# begin:github_only |
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_DEFAULT_CPPOPTS.extend([ |
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"-Wextra", |
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# "-Wshorten-64-to-32", # not in GCC (and my Kokoro images doesn't have Clang) |
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"-Werror", |
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"-Wno-unused-parameter", |
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"-Wno-long-long", |
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]) |
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_DEFAULT_COPTS.extend([ |
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"-std=c99", |
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"-Wall", |
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"-Wstrict-prototypes", |
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# GCC (at least) emits spurious warnings for this that cannot be fixed |
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# without introducing redundant initialization (with runtime cost): |
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80635 |
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#"-Wno-maybe-uninitialized", |
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]) |
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# end:github_only |
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UPB_DEFAULT_CPPOPTS = select({ |
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"//:windows": [], |
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"//conditions:default": _DEFAULT_CPPOPTS, |
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}) |
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UPB_DEFAULT_COPTS = select({ |
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"//:windows": [], |
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"//:fasttable_enabled_setting": ["-std=gnu99", "-DUPB_ENABLE_FASTTABLE"], |
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"//conditions:default": _DEFAULT_COPTS, |
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}) |
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runfiles_init = """\ |
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# --- begin runfiles.bash initialization v2 --- |
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# Copy-pasted from the Bazel Bash runfiles library v2. |
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set -uo pipefail; f=bazel_tools/tools/bash/runfiles/runfiles.bash |
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source "${RUNFILES_DIR:-/dev/null}/$f" 2>/dev/null || \ |
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source "$(grep -sm1 "^$f " "${RUNFILES_MANIFEST_FILE:-/dev/null}" | cut -f2- -d' ')" 2>/dev/null || \ |
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source "$0.runfiles/$f" 2>/dev/null || \ |
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source "$(grep -sm1 "^$f " "$0.runfiles_manifest" | cut -f2- -d' ')" 2>/dev/null || \ |
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source "$(grep -sm1 "^$f " "$0.exe.runfiles_manifest" | cut -f2- -d' ')" 2>/dev/null || \ |
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{ echo>&2 "ERROR: cannot find $f"; exit 1; }; f=; set -e |
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# --- end runfiles.bash initialization v2 --- |
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""" |
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def _get_real_short_path(file): |
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# For some reason, files from other archives have short paths that look like: |
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# ../com_google_protobuf/google/protobuf/descriptor.proto |
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short_path = file.short_path |
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if short_path.startswith("../"): |
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second_slash = short_path.index("/", 3) |
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short_path = short_path[second_slash + 1:] |
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return short_path |
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def _get_real_root(file): |
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real_short_path = _get_real_short_path(file) |
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return file.path[:-len(real_short_path) - 1] |
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def _get_real_roots(files): |
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roots = {} |
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for file in files: |
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real_root = _get_real_root(file) |
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if real_root: |
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roots[real_root] = True |
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return roots.keys() |
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def make_shell_script(name, contents, out): |
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contents = contents.replace("$", "$$") |
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native.genrule( |
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name = "gen_" + name, |
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outs = [out], |
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cmd = "(cat <<'HEREDOC'\n%s\nHEREDOC\n) > $@" % contents, |
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)
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