Alexei Frolov | e19ebb8 | 2020-05-14 17:21:20 -0700 | [diff] [blame] | 1 | # Copyright 2020 The Pigweed Authors |
Alexei Frolov | 942adf0 | 2019-12-11 17:07:28 -0800 | [diff] [blame] | 2 | # |
| 3 | # Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| 4 | # use this file except in compliance with the License. You may obtain a copy of |
| 5 | # the License at |
| 6 | # |
| 7 | # https://www.apache.org/licenses/LICENSE-2.0 |
| 8 | # |
| 9 | # Unless required by applicable law or agreed to in writing, software |
| 10 | # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 11 | # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 12 | # License for the specific language governing permissions and limitations under |
| 13 | # the License. |
| 14 | |
Armando Montanez | fb3d3fb | 2020-06-09 18:12:12 -0700 | [diff] [blame] | 15 | import("//build_overrides/pigweed.gni") |
| 16 | |
Alexei Frolov | b499d3f | 2020-10-28 13:00:08 -0700 | [diff] [blame] | 17 | import("$dir_pw_build/error.gni") |
Alexei Frolov | 05d8ef2 | 2020-06-08 10:32:29 -0700 | [diff] [blame] | 18 | import("$dir_pw_build/input_group.gni") |
Wyatt Hepler | 51ded74 | 2020-10-19 14:45:27 -0700 | [diff] [blame] | 19 | import("$dir_pw_build/python_action.gni") |
Alexei Frolov | edd2f14 | 2020-06-09 19:11:27 -0700 | [diff] [blame] | 20 | import("$dir_pw_build/target_types.gni") |
Alexei Frolov | dd6fa5c | 2020-08-11 10:04:01 -0700 | [diff] [blame] | 21 | import("$dir_pw_third_party/nanopb/nanopb.gni") |
Wyatt Hepler | d49f8fe | 2020-10-15 10:13:47 -0700 | [diff] [blame] | 22 | |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 23 | # Variables forwarded from the public pw_proto_library template to the final |
| 24 | # pw_source_set. |
Wyatt Hepler | e0c4fdc | 2020-05-29 17:26:19 -0700 | [diff] [blame] | 25 | _forwarded_vars = [ |
| 26 | "testonly", |
| 27 | "visibility", |
| 28 | ] |
| 29 | |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 30 | # Internal template that invokes protoc with a pw_python_action. This should not |
| 31 | # be used outside of this file; use pw_proto_library instead. |
| 32 | # |
| 33 | # This creates the internal GN target $target_name.$language._gen that compiles |
| 34 | # proto files with protoc. |
| 35 | template("_pw_invoke_protoc") { |
| 36 | _output = rebase_path(get_target_outputs(":${invoker.base_target}._metadata")) |
| 37 | |
| 38 | pw_python_action("$target_name._gen") { |
| 39 | forward_variables_from(invoker, [ "metadata" ]) |
| 40 | script = |
| 41 | "$dir_pw_protobuf_compiler/py/pw_protobuf_compiler/generate_protos.py" |
| 42 | |
| 43 | deps = [ |
| 44 | ":${invoker.base_target}._metadata", |
| 45 | ":${invoker.base_target}._inputs", |
| 46 | ] + invoker.deps |
| 47 | |
| 48 | args = [ |
| 49 | "--language", |
| 50 | invoker.language, |
| 51 | "--module-path", |
| 52 | rebase_path("."), |
| 53 | "--include-file", |
| 54 | _output[0], |
| 55 | "--out-dir", |
| 56 | rebase_path(invoker.gen_dir), |
| 57 | ] + rebase_path(invoker.sources) |
| 58 | |
| 59 | inputs = invoker.sources |
| 60 | |
| 61 | if (defined(invoker.plugin)) { |
| 62 | inputs += [ invoker.plugin ] |
| 63 | args += [ "--plugin-path=" + rebase_path(invoker.plugin) ] |
| 64 | } |
| 65 | |
| 66 | if (defined(invoker.include_paths)) { |
| 67 | args += [ |
| 68 | "--include-paths", |
| 69 | string_join(";", rebase_path(invoker.include_paths)), |
| 70 | ] |
| 71 | } |
| 72 | |
| 73 | outputs = [] |
| 74 | foreach(extension, invoker.output_extensions) { |
| 75 | foreach(proto, |
| 76 | rebase_path(invoker.sources, get_path_info(".", "abspath"))) { |
| 77 | _output = string_replace(proto, ".proto", extension) |
| 78 | outputs += [ "${invoker.gen_dir}/$_output" ] |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | if (outputs == []) { |
| 83 | stamp = true |
| 84 | } |
| 85 | |
| 86 | visibility = [ ":*" ] |
| 87 | } |
| 88 | } |
| 89 | |
Alexei Frolov | f39cd8b | 2020-04-13 17:59:20 -0700 | [diff] [blame] | 90 | # Generates pw_protobuf C++ code for proto files, creating a source_set of the |
| 91 | # generated files. This is internal and should not be used outside of this file. |
| 92 | # Use pw_proto_library instead. |
Alexei Frolov | f39cd8b | 2020-04-13 17:59:20 -0700 | [diff] [blame] | 93 | template("_pw_pwpb_proto_library") { |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 94 | _pw_invoke_protoc(target_name) { |
| 95 | forward_variables_from(invoker, "*", _forwarded_vars) |
| 96 | language = "pwpb" |
| 97 | plugin = "$dir_pw_protobuf/py/pw_protobuf/plugin.py" |
| 98 | deps += [ "$dir_pw_protobuf/py" ] |
| 99 | output_extensions = [ ".pwpb.h" ] |
Alexei Frolov | 942adf0 | 2019-12-11 17:07:28 -0800 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | # Create a library with the generated source files. |
Alexei Frolov | edd2f14 | 2020-06-09 19:11:27 -0700 | [diff] [blame] | 103 | pw_source_set(target_name) { |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 104 | forward_variables_from(invoker, _forwarded_vars) |
| 105 | public_configs = [ ":${invoker.base_target}._include_path" ] |
| 106 | deps = [ ":$target_name._gen" ] |
| 107 | public_deps = [ dir_pw_protobuf ] + invoker.deps |
| 108 | sources = get_target_outputs(":$target_name._gen") |
Alexei Frolov | f39cd8b | 2020-04-13 17:59:20 -0700 | [diff] [blame] | 109 | public = filter_include(sources, [ "*.pwpb.h" ]) |
| 110 | } |
| 111 | } |
| 112 | |
Alexei Frolov | 79b7cb0 | 2020-07-06 13:51:43 -0700 | [diff] [blame] | 113 | # Generates nanopb RPC code for proto files, creating a source_set of the |
| 114 | # generated files. This is internal and should not be used outside of this file. |
| 115 | # Use pw_proto_library instead. |
Alexei Frolov | 79b7cb0 | 2020-07-06 13:51:43 -0700 | [diff] [blame] | 116 | template("_pw_nanopb_rpc_proto_library") { |
Alexei Frolov | 79b7cb0 | 2020-07-06 13:51:43 -0700 | [diff] [blame] | 117 | # Create a target which runs protoc configured with the nanopb_rpc plugin to |
| 118 | # generate the C++ proto RPC headers. |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 119 | _pw_invoke_protoc(target_name) { |
| 120 | forward_variables_from(invoker, "*", _forwarded_vars) |
| 121 | language = "nanopb_rpc" |
| 122 | plugin = "$dir_pw_rpc/py/pw_rpc/plugin_nanopb.py" |
| 123 | deps += [ "$dir_pw_rpc/py" ] |
| 124 | include_paths = [ "$dir_pw_third_party_nanopb/generator/proto" ] |
| 125 | output_extensions = [ ".rpc.pb.h" ] |
Alexei Frolov | 79b7cb0 | 2020-07-06 13:51:43 -0700 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | # Create a library with the generated source files. |
| 129 | pw_source_set(target_name) { |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 130 | forward_variables_from(invoker, _forwarded_vars) |
| 131 | public_configs = [ ":${invoker.base_target}._include_path" ] |
| 132 | deps = [ ":$target_name._gen" ] |
Alexei Frolov | 79b7cb0 | 2020-07-06 13:51:43 -0700 | [diff] [blame] | 133 | public_deps = [ |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 134 | ":${invoker.base_target}.nanopb", |
Wyatt Hepler | cbd09c2 | 2020-09-15 11:17:24 -0700 | [diff] [blame] | 135 | "$dir_pw_rpc:server", |
Alexei Frolov | a4d7150 | 2020-10-14 12:43:14 -0700 | [diff] [blame] | 136 | "$dir_pw_rpc/nanopb:method_union", |
Alexei Frolov | dd6fa5c | 2020-08-11 10:04:01 -0700 | [diff] [blame] | 137 | "$dir_pw_third_party/nanopb", |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 138 | ] + invoker.deps |
| 139 | public = get_target_outputs(":$target_name._gen") |
Alexei Frolov | 79b7cb0 | 2020-07-06 13:51:43 -0700 | [diff] [blame] | 140 | } |
| 141 | } |
| 142 | |
Alexei Frolov | f39cd8b | 2020-04-13 17:59:20 -0700 | [diff] [blame] | 143 | # Generates nanopb code for proto files, creating a source_set of the generated |
| 144 | # files. This is internal and should not be used outside of this file. Use |
| 145 | # pw_proto_library instead. |
Alexei Frolov | f39cd8b | 2020-04-13 17:59:20 -0700 | [diff] [blame] | 146 | template("_pw_nanopb_proto_library") { |
Alexei Frolov | f39cd8b | 2020-04-13 17:59:20 -0700 | [diff] [blame] | 147 | # Create a target which runs protoc configured with the nanopb plugin to |
| 148 | # generate the C proto sources. |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 149 | _pw_invoke_protoc(target_name) { |
| 150 | forward_variables_from(invoker, "*", _forwarded_vars) |
| 151 | language = "nanopb" |
| 152 | plugin = "$dir_pw_third_party_nanopb/generator/protoc-gen-nanopb" |
| 153 | include_paths = [ "$dir_pw_third_party_nanopb/generator/proto" ] |
| 154 | output_extensions = [ |
| 155 | ".pb.h", |
| 156 | ".pb.c", |
Alexei Frolov | f39cd8b | 2020-04-13 17:59:20 -0700 | [diff] [blame] | 157 | ] |
| 158 | } |
| 159 | |
| 160 | # Create a library with the generated source files. |
Alexei Frolov | edd2f14 | 2020-06-09 19:11:27 -0700 | [diff] [blame] | 161 | pw_source_set(target_name) { |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 162 | forward_variables_from(invoker, _forwarded_vars) |
| 163 | public_configs = [ ":${invoker.base_target}._include_path" ] |
| 164 | deps = [ ":$target_name._gen" ] |
| 165 | public_deps = [ "$dir_pw_third_party/nanopb" ] + invoker.deps |
| 166 | sources = get_target_outputs(":$target_name._gen") |
Alexei Frolov | f39cd8b | 2020-04-13 17:59:20 -0700 | [diff] [blame] | 167 | public = filter_include(sources, [ "*.pb.h" ]) |
Alexei Frolov | 942adf0 | 2019-12-11 17:07:28 -0800 | [diff] [blame] | 168 | } |
| 169 | } |
| 170 | |
Alexei Frolov | c912ea7 | 2020-10-26 08:43:27 -0700 | [diff] [blame] | 171 | # Generates raw RPC code for proto files, creating a source_set of the generated |
| 172 | # files. This is internal and should not be used outside of this file. Use |
| 173 | # pw_proto_library instead. |
Alexei Frolov | c912ea7 | 2020-10-26 08:43:27 -0700 | [diff] [blame] | 174 | template("_pw_raw_rpc_proto_library") { |
Alexei Frolov | c912ea7 | 2020-10-26 08:43:27 -0700 | [diff] [blame] | 175 | # Create a target which runs protoc configured with the nanopb_rpc plugin to |
| 176 | # generate the C++ proto RPC headers. |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 177 | _pw_invoke_protoc(target_name) { |
| 178 | forward_variables_from(invoker, "*", _forwarded_vars) |
| 179 | language = "raw_rpc" |
| 180 | plugin = "$dir_pw_rpc/py/pw_rpc/plugin_raw.py" |
| 181 | deps += [ "$dir_pw_rpc/py" ] |
| 182 | output_extensions = [ ".raw_rpc.pb.h" ] |
Alexei Frolov | c912ea7 | 2020-10-26 08:43:27 -0700 | [diff] [blame] | 183 | } |
| 184 | |
| 185 | # Create a library with the generated source files. |
| 186 | pw_source_set(target_name) { |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 187 | forward_variables_from(invoker, _forwarded_vars) |
| 188 | public_configs = [ ":${invoker.base_target}._include_path" ] |
| 189 | deps = [ ":$target_name._gen" ] |
Alexei Frolov | c912ea7 | 2020-10-26 08:43:27 -0700 | [diff] [blame] | 190 | public_deps = [ |
| 191 | "$dir_pw_rpc:server", |
| 192 | "$dir_pw_rpc/raw:method_union", |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 193 | ] + invoker.deps |
| 194 | public = get_target_outputs(":$target_name._gen") |
Alexei Frolov | c912ea7 | 2020-10-26 08:43:27 -0700 | [diff] [blame] | 195 | } |
| 196 | } |
| 197 | |
Alexei Frolov | def1471 | 2019-12-23 13:03:32 -0800 | [diff] [blame] | 198 | # Generates Go code for proto files, listing the proto output directory in the |
| 199 | # metadata variable GOPATH. Internal use only. |
Alexei Frolov | def1471 | 2019-12-23 13:03:32 -0800 | [diff] [blame] | 200 | template("_pw_go_proto_library") { |
| 201 | _proto_gopath = "$root_gen_dir/go" |
Alexei Frolov | def1471 | 2019-12-23 13:03:32 -0800 | [diff] [blame] | 202 | |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 203 | _pw_invoke_protoc(target_name) { |
| 204 | forward_variables_from(invoker, "*") |
| 205 | language = "go" |
Alexei Frolov | def1471 | 2019-12-23 13:03:32 -0800 | [diff] [blame] | 206 | metadata = { |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 207 | gopath = [ "GOPATH+=" + rebase_path(_proto_gopath) ] |
Alexei Frolov | c15a988 | 2019-12-23 14:29:02 -0800 | [diff] [blame] | 208 | external_deps = [ |
| 209 | "github.com/golang/protobuf/proto", |
| 210 | "google.golang.org/grpc", |
| 211 | ] |
Alexei Frolov | def1471 | 2019-12-23 13:03:32 -0800 | [diff] [blame] | 212 | } |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 213 | output_extensions = [] # Don't enumerate the generated .go files. |
| 214 | gen_dir = "$_proto_gopath/src" |
| 215 | } |
| 216 | |
| 217 | group(target_name) { |
| 218 | deps = [ ":$target_name._gen" ] |
Alexei Frolov | def1471 | 2019-12-23 13:03:32 -0800 | [diff] [blame] | 219 | } |
| 220 | } |
| 221 | |
Alexei Frolov | 942adf0 | 2019-12-11 17:07:28 -0800 | [diff] [blame] | 222 | # Generates protobuf code from .proto definitions for various languages. |
Alexei Frolov | b499d3f | 2020-10-28 13:00:08 -0700 | [diff] [blame] | 223 | # For each supported generator, creates a sub-target named: |
Alexei Frolov | 942adf0 | 2019-12-11 17:07:28 -0800 | [diff] [blame] | 224 | # |
Alexei Frolov | 8e30d46 | 2020-10-22 13:54:36 -0700 | [diff] [blame] | 225 | # <target_name>.<generator> |
Alexei Frolov | 942adf0 | 2019-12-11 17:07:28 -0800 | [diff] [blame] | 226 | # |
Alexei Frolov | 942adf0 | 2019-12-11 17:07:28 -0800 | [diff] [blame] | 227 | # Args: |
| 228 | # sources: List of input .proto files. |
| 229 | # deps: List of other pw_proto_library dependencies. |
Alexei Frolov | 05d8ef2 | 2020-06-08 10:32:29 -0700 | [diff] [blame] | 230 | # inputs: Other files on which the protos depend (e.g. nanopb .options files). |
Alexei Frolov | b499d3f | 2020-10-28 13:00:08 -0700 | [diff] [blame] | 231 | # |
Alexei Frolov | 942adf0 | 2019-12-11 17:07:28 -0800 | [diff] [blame] | 232 | template("pw_proto_library") { |
| 233 | assert(defined(invoker.sources) && invoker.sources != [], |
Wyatt Hepler | b4b73a6 | 2020-05-27 15:17:27 -0700 | [diff] [blame] | 234 | "pw_proto_library requires .proto source files") |
Alexei Frolov | 942adf0 | 2019-12-11 17:07:28 -0800 | [diff] [blame] | 235 | |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 236 | _common = { |
| 237 | base_target = target_name |
| 238 | gen_dir = "$target_gen_dir/protos" |
| 239 | sources = invoker.sources |
| 240 | } |
| 241 | |
| 242 | if (defined(invoker.deps)) { |
| 243 | _deps = invoker.deps |
| 244 | } else { |
| 245 | _deps = [] |
| 246 | } |
| 247 | |
Alexei Frolov | e19ebb8 | 2020-05-14 17:21:20 -0700 | [diff] [blame] | 248 | # For each proto target, create a file which collects the base directories of |
| 249 | # all of its dependencies to list as include paths to protoc. |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 250 | generated_file("$target_name._metadata") { |
| 251 | # Collect metadata from the include path files of each dependency. |
| 252 | deps = process_file_template(_deps, "{{source}}._metadata") |
| 253 | |
Alexei Frolov | e19ebb8 | 2020-05-14 17:21:20 -0700 | [diff] [blame] | 254 | data_keys = [ "protoc_includes" ] |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 255 | outputs = [ "$target_gen_dir/${target_name}_includes.txt" ] |
Alexei Frolov | e19ebb8 | 2020-05-14 17:21:20 -0700 | [diff] [blame] | 256 | |
| 257 | # Indicate this library's base directory for its dependents. |
| 258 | metadata = { |
Alexei Frolov | f79d227 | 2020-06-18 13:37:38 -0700 | [diff] [blame] | 259 | protoc_includes = [ rebase_path(".") ] |
Alexei Frolov | e19ebb8 | 2020-05-14 17:21:20 -0700 | [diff] [blame] | 260 | } |
| 261 | } |
| 262 | |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 263 | # Toss any additional inputs into an input group dependency. |
Alexei Frolov | 05d8ef2 | 2020-06-08 10:32:29 -0700 | [diff] [blame] | 264 | if (defined(invoker.inputs)) { |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 265 | pw_input_group("$target_name._inputs") { |
Alexei Frolov | 05d8ef2 | 2020-06-08 10:32:29 -0700 | [diff] [blame] | 266 | inputs = invoker.inputs |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 267 | visibility = [ ":*" ] |
Alexei Frolov | 05d8ef2 | 2020-06-08 10:32:29 -0700 | [diff] [blame] | 268 | } |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 269 | } else { |
| 270 | group("$target_name._inputs") { |
| 271 | visibility = [ ":*" ] |
| 272 | } |
Alexei Frolov | 05d8ef2 | 2020-06-08 10:32:29 -0700 | [diff] [blame] | 273 | } |
| 274 | |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 275 | # Create a config with the generated proto directory, which is used for C++. |
| 276 | config("$target_name._include_path") { |
| 277 | include_dirs = [ _common.gen_dir ] |
| 278 | visibility = [ ":*" ] |
Alexei Frolov | 79b7cb0 | 2020-07-06 13:51:43 -0700 | [diff] [blame] | 279 | } |
| 280 | |
Alexei Frolov | b499d3f | 2020-10-28 13:00:08 -0700 | [diff] [blame] | 281 | # Enumerate all of the protobuf generator targets. |
Alexei Frolov | c4b62ec | 2020-07-13 08:35:10 -0700 | [diff] [blame] | 282 | |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 283 | _pw_pwpb_proto_library("$target_name.pwpb") { |
Alexei Frolov | b499d3f | 2020-10-28 13:00:08 -0700 | [diff] [blame] | 284 | forward_variables_from(invoker, _forwarded_vars) |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 285 | forward_variables_from(_common, "*") |
| 286 | deps = process_file_template(_deps, "{{source}}.pwpb") |
Alexei Frolov | b499d3f | 2020-10-28 13:00:08 -0700 | [diff] [blame] | 287 | } |
| 288 | |
| 289 | if (dir_pw_third_party_nanopb != "") { |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 290 | _pw_nanopb_rpc_proto_library("$target_name.nanopb_rpc") { |
Alexei Frolov | b499d3f | 2020-10-28 13:00:08 -0700 | [diff] [blame] | 291 | forward_variables_from(invoker, _forwarded_vars) |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 292 | forward_variables_from(_common, "*") |
| 293 | deps = process_file_template(_deps, "{{source}}.nanopb_rpc") |
Alexei Frolov | c4b62ec | 2020-07-13 08:35:10 -0700 | [diff] [blame] | 294 | } |
| 295 | |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 296 | _pw_nanopb_proto_library("$target_name.nanopb") { |
Alexei Frolov | b499d3f | 2020-10-28 13:00:08 -0700 | [diff] [blame] | 297 | forward_variables_from(invoker, _forwarded_vars) |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 298 | forward_variables_from(_common, "*") |
| 299 | deps = process_file_template(_deps, "{{source}}.nanopb") |
Alexei Frolov | b499d3f | 2020-10-28 13:00:08 -0700 | [diff] [blame] | 300 | } |
| 301 | } else { |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 302 | pw_error("$target_name.nanopb_rpc") { |
Alexei Frolov | b499d3f | 2020-10-28 13:00:08 -0700 | [diff] [blame] | 303 | message = |
| 304 | "\$dir_pw_third_party_nanopb must be set to generate nanopb RPC code." |
Alexei Frolov | 8185c82 | 2020-06-12 10:45:04 -0700 | [diff] [blame] | 305 | } |
Alexei Frolov | 942adf0 | 2019-12-11 17:07:28 -0800 | [diff] [blame] | 306 | |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 307 | pw_error("$target_name.nanopb") { |
Alexei Frolov | b499d3f | 2020-10-28 13:00:08 -0700 | [diff] [blame] | 308 | message = |
| 309 | "\$dir_pw_third_party_nanopb must be set to compile nanopb protobufs." |
Alexei Frolov | 942adf0 | 2019-12-11 17:07:28 -0800 | [diff] [blame] | 310 | } |
| 311 | } |
| 312 | |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 313 | _pw_raw_rpc_proto_library("$target_name.raw_rpc") { |
Alexei Frolov | b499d3f | 2020-10-28 13:00:08 -0700 | [diff] [blame] | 314 | forward_variables_from(invoker, _forwarded_vars) |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 315 | forward_variables_from(_common, "*", [ "deps" ]) |
| 316 | deps = process_file_template(_deps, "{{source}}.raw_rpc") |
Alexei Frolov | b499d3f | 2020-10-28 13:00:08 -0700 | [diff] [blame] | 317 | } |
| 318 | |
Wyatt Hepler | d9336a4 | 2020-11-10 09:47:30 -0800 | [diff] [blame^] | 319 | _pw_go_proto_library("$target_name.go") { |
| 320 | sources = invoker.sources |
| 321 | deps = process_file_template(_deps, "{{source}}.go") |
| 322 | base_target = _common.base_target |
Alexei Frolov | b499d3f | 2020-10-28 13:00:08 -0700 | [diff] [blame] | 323 | } |
| 324 | |
Wyatt Hepler | b4b73a6 | 2020-05-27 15:17:27 -0700 | [diff] [blame] | 325 | # All supported pw_protobuf generators. |
| 326 | _protobuf_generators = [ |
| 327 | "pwpb", |
| 328 | "nanopb", |
Alexei Frolov | 79b7cb0 | 2020-07-06 13:51:43 -0700 | [diff] [blame] | 329 | "nanopb_rpc", |
Alexei Frolov | c912ea7 | 2020-10-26 08:43:27 -0700 | [diff] [blame] | 330 | "raw_rpc", |
Wyatt Hepler | b4b73a6 | 2020-05-27 15:17:27 -0700 | [diff] [blame] | 331 | "go", |
| 332 | ] |
| 333 | |
Alexei Frolov | 942adf0 | 2019-12-11 17:07:28 -0800 | [diff] [blame] | 334 | # If the user attempts to use the target directly instead of one of the |
Alexei Frolov | f39cd8b | 2020-04-13 17:59:20 -0700 | [diff] [blame] | 335 | # generator targets, run a script which prints a nice error message. |
Wyatt Hepler | c8e05a4 | 2020-10-19 14:49:39 -0700 | [diff] [blame] | 336 | pw_python_action(target_name) { |
Alexei Frolov | 942adf0 | 2019-12-11 17:07:28 -0800 | [diff] [blame] | 337 | script = string_join("/", |
| 338 | [ |
| 339 | dir_pw_protobuf_compiler, |
| 340 | "py", |
| 341 | "pw_protobuf_compiler", |
| 342 | "proto_target_invalid.py", |
| 343 | ]) |
| 344 | args = [ |
| 345 | "--target", |
| 346 | target_name, |
| 347 | "--dir", |
| 348 | get_path_info(".", "abspath"), |
| 349 | "--root", |
| 350 | "//", |
Alexei Frolov | b499d3f | 2020-10-28 13:00:08 -0700 | [diff] [blame] | 351 | ] + _protobuf_generators |
Alexei Frolov | 942adf0 | 2019-12-11 17:07:28 -0800 | [diff] [blame] | 352 | stamp = true |
| 353 | } |
| 354 | } |