mirror of https://github.com/grpc/grpc.git
commit
9383823811
8 changed files with 145 additions and 12 deletions
@ -0,0 +1,128 @@ |
|||||||
|
# Copyright 2015, Google Inc. |
||||||
|
# All rights reserved. |
||||||
|
# |
||||||
|
# Redistribution and use in source and binary forms, with or without |
||||||
|
# modification, are permitted provided that the following conditions are |
||||||
|
# met: |
||||||
|
# |
||||||
|
# * Redistributions of source code must retain the above copyright |
||||||
|
# notice, this list of conditions and the following disclaimer. |
||||||
|
# * Redistributions in binary form must reproduce the above |
||||||
|
# copyright notice, this list of conditions and the following disclaimer |
||||||
|
# in the documentation and/or other materials provided with the |
||||||
|
# distribution. |
||||||
|
# * Neither the name of Google Inc. nor the names of its |
||||||
|
# contributors may be used to endorse or promote products derived from |
||||||
|
# this software without specific prior written permission. |
||||||
|
# |
||||||
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
||||||
|
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
||||||
|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
||||||
|
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
||||||
|
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
||||||
|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
||||||
|
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||||||
|
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||||||
|
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||||
|
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
||||||
|
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||||
|
|
||||||
|
""" |
||||||
|
Bazel macros to declare gRPC libraries automatically generated from proto files. |
||||||
|
|
||||||
|
This file declares two macros: |
||||||
|
- objc_proto_library |
||||||
|
- objc_grpc_library |
||||||
|
""" |
||||||
|
|
||||||
|
def _lower_underscore_to_upper_camel(str): |
||||||
|
humps = [] |
||||||
|
for hump in str.split('_'): |
||||||
|
humps += [hump[0].upper() + hump[1:]] |
||||||
|
return "".join(humps) |
||||||
|
|
||||||
|
def _file_to_upper_camel(src): |
||||||
|
elements = src.rpartition('/') |
||||||
|
upper_camel = _lower_underscore_to_upper_camel(elements[-1]) |
||||||
|
return "".join(elements[:-1] + [upper_camel]) |
||||||
|
|
||||||
|
def _file_with_extension(src, ext): |
||||||
|
elements = src.rpartition('/') |
||||||
|
basename = elements[-1].partition('.')[0] |
||||||
|
return "".join(elements[:-1] + [basename, ext]) |
||||||
|
|
||||||
|
def _protoc_invocation(srcs, flags): |
||||||
|
"""Returns a command line to invoke protoc from a genrule, on the given |
||||||
|
sources, using the given flags. |
||||||
|
""" |
||||||
|
protoc_command = "$(location //external:protoc) -I . " |
||||||
|
srcs_params = "" |
||||||
|
for src in srcs: |
||||||
|
srcs_params += " $(location %s)" % (src) |
||||||
|
return protoc_command + flags + srcs_params |
||||||
|
|
||||||
|
def objc_proto_library(name, srcs, visibility=None): |
||||||
|
"""Declares an objc_library for the code generated by protoc from the given |
||||||
|
proto sources. This generated code doesn't include proto services. |
||||||
|
""" |
||||||
|
h_files = [] |
||||||
|
m_files = [] |
||||||
|
for src in srcs: |
||||||
|
src = _file_to_upper_camel(src) |
||||||
|
h_files += [_file_with_extension(src, ".pbobjc.h")] |
||||||
|
m_files += [_file_with_extension(src, ".pbobjc.m")] |
||||||
|
|
||||||
|
protoc_flags = "--objc_out=$(GENDIR)" |
||||||
|
|
||||||
|
native.genrule( |
||||||
|
name = name + "_codegen", |
||||||
|
srcs = srcs + ["//external:protoc"], |
||||||
|
outs = h_files + m_files, |
||||||
|
cmd = _protoc_invocation(srcs, protoc_flags), |
||||||
|
) |
||||||
|
native.objc_library( |
||||||
|
name = name, |
||||||
|
hdrs = h_files, |
||||||
|
includes = ["."], |
||||||
|
non_arc_srcs = m_files, |
||||||
|
deps = ["//external:protobuf_objc"], |
||||||
|
visibility = visibility, |
||||||
|
) |
||||||
|
|
||||||
|
def objc_grpc_library(name, services, other_messages, visibility=None): |
||||||
|
"""Declares an objc_library for the code generated by gRPC and protoc from the |
||||||
|
given proto sources (services and other_messages). The generated code doesn't |
||||||
|
include proto services of the files passed as other_messages. |
||||||
|
""" |
||||||
|
objc_proto_library(name + "_messages", services + other_messages) |
||||||
|
|
||||||
|
h_files = [] |
||||||
|
m_files = [] |
||||||
|
for src in services: |
||||||
|
src = _file_to_upper_camel(src) |
||||||
|
h_files += [_file_with_extension(src, ".pbrpc.h")] |
||||||
|
m_files += [_file_with_extension(src, ".pbrpc.m")] |
||||||
|
|
||||||
|
protoc_flags = ("--grpc_out=$(GENDIR) --plugin=" + |
||||||
|
"protoc-gen-grpc=$(location //external:grpc_protoc_plugin_objc)") |
||||||
|
|
||||||
|
native.genrule( |
||||||
|
name = name + "_codegen", |
||||||
|
srcs = services + [ |
||||||
|
"//external:grpc_protoc_plugin_objc", |
||||||
|
"//external:protoc", |
||||||
|
], |
||||||
|
outs = h_files + m_files, |
||||||
|
cmd = _protoc_invocation(services, protoc_flags), |
||||||
|
) |
||||||
|
native.objc_library( |
||||||
|
name = name, |
||||||
|
hdrs = h_files, |
||||||
|
includes = ["."], |
||||||
|
srcs = m_files, |
||||||
|
deps = [ |
||||||
|
":" + name + "_messages", |
||||||
|
"//external:proto_objc_rpc", |
||||||
|
], |
||||||
|
visibility = visibility, |
||||||
|
) |
Loading…
Reference in new issue