83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
# Copyright (c) 2012 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# This file is meant to be included into a target to provide a rule
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# to invoke protoc in a consistent manner. This is only to be included
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# for Java targets. When including this file, a .jar-file will be generated.
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# For other targets, see protoc.gypi.
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#
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# To use this, create a gyp target with the following form:
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# {
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# 'target_name': 'my_proto_lib',
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# 'sources': [
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# 'foo.proto',
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# 'bar.proto',
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# ],
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# 'variables': {
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# 'proto_in_dir': '.'
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# },
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# 'includes': ['path/to/this/gypi/file'],
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# }
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#
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# The 'proto_in_dir' variable must be the relative path to the
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# directory containing the .proto files. If left out, it defaults to '.'.
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#
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# The 'output_java_files' variable specifies a list of output files that will
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# be generated. It is based on the package and java_outer_classname fields in
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# the proto. All the values must be prefixed with >(java_out_dir), since that
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# is the root directory of all the output.
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#
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# Implementation notes:
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# A target_name of foo and proto-specified 'package' java.package.path produces:
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# <(PRODUCT_DIR)/java_proto/foo/{java/package/path/}{Foo,Bar}.java
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# where Foo and Bar are taken from 'java_outer_classname' of the protos.
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#
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# How the .jar-file is created is different than how protoc is used for other
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# targets, and as such, this lives in its own file.
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{
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'variables': {
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'protoc': '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)protoc<(EXECUTABLE_SUFFIX)',
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'java_out_dir': '<(PRODUCT_DIR)/java_proto/<(_target_name)/src',
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'proto_in_dir%': '.',
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'stamp_file': '<(java_out_dir).stamp',
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'script': '<(DEPTH)/build/protoc_java.py',
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# The rest of the variables here are for the java.gypi include.
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'java_in_dir': '<(DEPTH)/build/android/empty',
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'generated_src_dirs': ['<(java_out_dir)'],
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# Adding the |stamp_file| to |additional_input_paths| makes the actions in
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# the include of java.gypi depend on the genproto_java action.
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'additional_input_paths': ['<(stamp_file)'],
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},
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'actions': [
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{
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'action_name': 'genproto_java',
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'inputs': [
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'<(script)',
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'<(protoc)',
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'<@(_sources)',
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],
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# We do not know the names of the generated files, so we use a stamp.
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'outputs': [
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'<(stamp_file)',
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],
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'action': [
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'<(script)',
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'<(protoc)',
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'<(proto_in_dir)',
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'<(java_out_dir)',
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'<(stamp_file)',
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'<@(_sources)',
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],
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'message': 'Generating Java code from <(proto_in_dir)',
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},
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],
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'dependencies': [
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'<(DEPTH)/third_party/protobuf/protobuf.gyp:protoc#host',
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'<(DEPTH)/third_party/protobuf/protobuf.gyp:protobuf_lite_javalib',
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],
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'includes': [ 'java.gypi' ],
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}
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