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1# Copyright (c) 2009-2021, Google LLC
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are met:
6#     * Redistributions of source code must retain the above copyright
7#       notice, this list of conditions and the following disclaimer.
8#     * Redistributions in binary form must reproduce the above copyright
9#       notice, this list of conditions and the following disclaimer in the
10#       documentation and/or other materials provided with the distribution.
11#     * Neither the name of Google LLC nor the
12#       names of its contributors may be used to endorse or promote products
13#       derived from this software without specific prior written permission.
14#
15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18# DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY
19# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25
26# begin:google_only
27# load("@rules_cc//cc:defs.bzl", _cc_proto_library = "cc_proto_library")
28#
29# _is_google3 = True
30# end:google_only
31
32# begin:github_only
33_cc_proto_library = native.cc_proto_library
34_is_google3 = False
35# end:github_only
36
37def proto_library(**kwargs):
38    if _is_google3:
39        kwargs["cc_api_version"] = 2
40    native.proto_library(
41        **kwargs
42    )
43
44def tmpl_cc_binary(name, gen, args, replacements = [], **kwargs):
45    srcs = [name + ".cc"]
46    native.genrule(
47        name = name + "_gen_srcs",
48        tools = [gen],
49        outs = srcs,
50        cmd = "$(location " + gen + ") " + " ".join(args) + " > $@",
51    )
52
53    if _is_google3:
54        kwargs["malloc"] = "//base:system_malloc"
55        kwargs["features"] = ["-static_linking_mode"]
56    native.cc_binary(
57        name = name,
58        srcs = srcs,
59        **kwargs
60    )
61
62def cc_optimizefor_proto_library(name, srcs, outs, optimize_for):
63    if len(srcs) != 1:
64        fail("Currently srcs must have exactly 1 element")
65
66    native.genrule(
67        name = name + "_gen_proto",
68        srcs = srcs,
69        outs = outs,
70        cmd = "cp $< $@ && chmod a+w $@ && echo 'option optimize_for = " + optimize_for + ";' >> $@",
71    )
72
73    proto_library(
74        name = name + "_proto",
75        srcs = outs,
76    )
77
78    _cc_proto_library(
79        name = name,
80        deps = [":" + name + "_proto"],
81    )
82
83def expand_suffixes(vals, suffixes):
84    ret = []
85    for val in vals:
86        for suffix in suffixes:
87            ret.append(val + suffix)
88    return ret
89