diff options
Diffstat (limited to 'build_extra/flatbuffers')
| -rw-r--r-- | build_extra/flatbuffers/BUILD.gn | 122 | ||||
| -rw-r--r-- | build_extra/flatbuffers/flatbuffer.gni | 233 |
2 files changed, 355 insertions, 0 deletions
diff --git a/build_extra/flatbuffers/BUILD.gn b/build_extra/flatbuffers/BUILD.gn new file mode 100644 index 000000000..0433c5d1d --- /dev/null +++ b/build_extra/flatbuffers/BUILD.gn @@ -0,0 +1,122 @@ +# Copyright 2016 The Chromium Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +import("flatbuffer.gni") + +fb_src = flatbuffers_source_location + +config("flatbuffers_config") { + include_dirs = [ "$fb_src/include" ] + + if (is_clang) { + cflags = [ + "-Wno-exit-time-destructors", + "-Wno-header-hygiene", + ] + } +} + +# The part of FlatBuffers that Chrome is interested in. +source_set("flatbuffers") { + sources = [ + "$fb_src/include/flatbuffers/flatbuffers.h", + ] + + configs -= [ "//build/config/compiler:chromium_code" ] + configs += [ "//build/config/compiler:no_chromium_code" ] + + public_configs = [ ":flatbuffers_config" ] +} + +# The complete FlatBuffers library, as required to build the flatc compiler and +# some of the tests. +source_set("compiler_files") { + include_dirs = [ "$fb_src/grpc" ] + sources = [ + "$fb_src/grpc/src/compiler/config.h", + "$fb_src/grpc/src/compiler/config.h", + "$fb_src/grpc/src/compiler/cpp_generator.cc", + "$fb_src/grpc/src/compiler/cpp_generator.h", + "$fb_src/grpc/src/compiler/go_generator.cc", + "$fb_src/grpc/src/compiler/go_generator.h", + "$fb_src/grpc/src/compiler/java_generator.cc", + "$fb_src/grpc/src/compiler/java_generator.h", + "$fb_src/grpc/src/compiler/schema_interface.h", + "$fb_src/include/flatbuffers/code_generators.h", + "$fb_src/include/flatbuffers/flatc.h", + "$fb_src/include/flatbuffers/flexbuffers.h", + "$fb_src/include/flatbuffers/grpc.h", + "$fb_src/include/flatbuffers/hash.h", + "$fb_src/include/flatbuffers/idl.h", + "$fb_src/include/flatbuffers/reflection.h", + "$fb_src/include/flatbuffers/reflection_generated.h", + "$fb_src/include/flatbuffers/util.h", + "$fb_src/src/code_generators.cpp", + "$fb_src/src/flatc.cpp", + "$fb_src/src/idl_gen_cpp.cpp", + "$fb_src/src/idl_gen_fbs.cpp", + "$fb_src/src/idl_gen_general.cpp", + "$fb_src/src/idl_gen_go.cpp", + "$fb_src/src/idl_gen_grpc.cpp", + "$fb_src/src/idl_gen_js.cpp", + "$fb_src/src/idl_gen_json_schema.cpp", + "$fb_src/src/idl_gen_php.cpp", + "$fb_src/src/idl_gen_python.cpp", + "$fb_src/src/idl_gen_rust.cpp", + "$fb_src/src/idl_gen_text.cpp", + "$fb_src/src/idl_parser.cpp", + "$fb_src/src/reflection.cpp", + "$fb_src/src/util.cpp", + ] + configs -= [ "//build/config/compiler:chromium_code" ] + configs += [ "//build/config/compiler:no_chromium_code" ] + visibility = [ ":*" ] + deps = [ + ":flatbuffers", + ] +} + +executable("flatc") { + sources = [ + "$fb_src/src/flatc_main.cpp", + ] + deps = [ + ":compiler_files", + ":flatbuffers", + ] +} + +# The following is just for testing. + +flatbuffer("flatbuffers_samplebuffer") { + testonly = true + sources = [ + "$fb_src/tests/include_test/include_test1.fbs", + "$fb_src/tests/include_test/sub/include_test2.fbs", + "$fb_src/tests/monster_test.fbs", + "$fb_src/tests/namespace_test/namespace_test1.fbs", + "$fb_src/tests/namespace_test/namespace_test2.fbs", + ] + flatc_include_dirs = [ "$fb_src/tests/include_test" ] +} + +# test("flatbuffers_unittest") { +# sources = [ +# "src/tests/test.cpp", +# ] +# deps = [ +# ":compiler_files", +# ":flatbuffers", +# ":flatbuffers_samplebuffer", +# ] +# data = [ +# "src/tests/", +# ] +# +# if (is_win) { +# # Suppress "object allocated on the heap may not be aligned 16". +# cflags = [ "/wd4316" ] +# } +# defines = [ "FLATBUFFERS_TRACK_VERIFIER_BUFFER_SIZE" ] +# } diff --git a/build_extra/flatbuffers/flatbuffer.gni b/build_extra/flatbuffers/flatbuffer.gni new file mode 100644 index 000000000..0bac1802c --- /dev/null +++ b/build_extra/flatbuffers/flatbuffer.gni @@ -0,0 +1,233 @@ +# Copyright 2016 The Chromium Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +import("//build/compiled_action.gni") + +declare_args() { + # Location of flatbuffers source code. + flatbuffers_source_location = "//third_party/flatbuffers/" + + # Absolute location flatbuffers BUILD.gn file. + flatbuffers_build_location = "//build_extra/flatbuffers/" +} + +# Compile a flatbuffer for C++. +# +# flatc_out_dir (optional) +# Specifies the path suffix that output files are generated under. This +# path will be appended to root_gen_dir. +# +# Targets that depend on the flatbuffer target will be able to include +# the resulting FlatBuffers header with an include like: +# #include "dir/for/my_flatbuffer/buffer_generated.h" +# If undefined, this defaults to matchign the input directory for each +# .fbs file (you should almost always use the default mode). +# +# flatc_include_dirs (optional) +# Specifies the directories which FlatBuffers compiler uses to find +# included .fbs files in. Almost always should be empty. +# +# The list always has an implicit first item corresponding to the root of +# the source tree. This enables including .fbs files by absolute path. +# +# The compiler will try the directories in the order given, and if all +# fail it will try to load relative to the directory of the schema file +# being parsed. +# +# deps (optional) +# Additional dependencies. +# +# Parameters for compiling the generated code: +# +# defines (optional) +# Defines to supply to the source set that compiles the generated source +# code. +# +# extra_configs (optional) +# A list of config labels that will be appended to the configs applying +# to the source set. +# +# testonly (optional) +# Boolean to indicate whether the generated source sets should be labeled +# as testonly. +# +# Example: +# flatbuffer("mylib") { +# sources = [ +# "foo.fbs", +# ] +# } +template("flatbuffer") { + assert(defined(invoker.sources), "Need sources for flatbuffers_library") + + # Don't apply OS-specific sources filtering to the assignments later on. + # Platform files should have gotten filtered out in the sources assignment + # when this template was invoked. If they weren't, it was on purpose and + # this template shouldn't re-apply the filter. + set_sources_assignment_filter([]) + + action_name = "${target_name}_gen" + source_set_name = target_name + compiled_action_foreach(action_name) { + visibility = [ ":$source_set_name" ] + + tool = "$flatbuffers_build_location:flatc" + + sources = invoker.sources + deps = [] + + if (defined(invoker.flatc_out_dir)) { + out_dir = "$root_gen_dir/" + invoker.flatc_out_dir + } else { + out_dir = "{{source_gen_dir}}" + } + + outputs = [ + "$out_dir/{{source_name_part}}_generated.h", + ] + + args = [ + "-c", + "--keep-prefix", + "-o", + "$out_dir", + "-I", + rebase_path("//", root_build_dir), + ] + + if (defined(invoker.flatc_include_dirs)) { + foreach(include_dir, invoker.flatc_include_dirs) { + args += [ + "-I", + rebase_path(include_dir, root_build_dir), + ] + } + } + + args += [ "{{source}}" ] + + # The deps may have steps that have to run before running flatc. + if (defined(invoker.deps)) { + deps += invoker.deps + } + } + + source_set(target_name) { + forward_variables_from(invoker, + [ + "visibility", + "defines", + ]) + + sources = get_target_outputs(":$action_name") + + if (defined(invoker.extra_configs)) { + configs += invoker.extra_configs + } + + if (defined(invoker.testonly)) { + testonly = invoker.testonly + } + + public_configs = [ "$flatbuffers_build_location:flatbuffers_config" ] + + public_deps = [ + # The generated headers reference headers within FlatBuffers, so + # dependencies must be able to find those headers too. + flatbuffers_build_location, + ] + deps = [ + ":$action_name", + ] + + # This will link any libraries in the deps (the use of invoker.deps in the + # action won't link it). + if (defined(invoker.deps)) { + deps += invoker.deps + } + + # Same for public_deps. + if (defined(invoker.public_deps)) { + public_deps += invoker.public_deps + } + } +} + +# Compile a flatbuffer to typescript. +# +# flatc_include_dirs (optional) +# Specifies the directories which FlatBuffers compiler uses to find +# included .fbs files in. Almost always should be empty. +# +# The list always has an implicit first item corresponding to the root of +# the source tree. This enables including .fbs files by absolute path. +# +# The compiler will try the directories in the order given, and if all +# fail it will try to load relative to the directory of the schema file +# being parsed. +# +# deps (optional) +# Additional dependencies. +# +# Example: +# ts_flatbuffer("foo_ts") { +# sources = [ +# "foo.fbs", +# ] +# } +template("ts_flatbuffer") { + assert(defined(invoker.sources), "Need sources for flatbuffers_library") + + # Don't apply OS-specific sources filtering to the assignments later on. + # Platform files should have gotten filtered out in the sources assignment + # when this template was invoked. If they weren't, it was on purpose and + # this template shouldn't re-apply the filter. + set_sources_assignment_filter([]) + + copy_name = target_name + "_copy" + + copy(copy_name) { + sources = [ "$flatbuffers_source_location/js/flatbuffers.js" ] + outputs = [ "$target_gen_dir/flatbuffers.js" ] + } + + compiled_action_foreach(target_name) { + tool = "$flatbuffers_build_location:flatc" + + sources = invoker.sources + deps = [ ":" + copy_name ] + + out_dir = target_gen_dir + + outputs = [ + "$out_dir/{{source_name_part}}_generated.ts", + ] + + args = [ + "--ts", + "--no-fb-import", + "--gen-mutable", + "-o", + rebase_path(out_dir, root_build_dir), + "-I", + rebase_path("//", root_build_dir), + ] + + if (defined(invoker.flatc_include_dirs)) { + foreach(include_dir, invoker.flatc_include_dirs) { + args += [ + "-I", + rebase_path(include_dir, root_build_dir), + ] + } + } + + args += [ "{{source}}" ] + + # The deps may have steps that have to run before running flatc. + if (defined(invoker.deps)) { + deps += invoker.deps + } + } +} |