Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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101 lines
3.0 KiB
101 lines
3.0 KiB
6 years ago
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shell_find_runfiles = """
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# --- begin runfiles.bash initialization ---
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# Copy-pasted from Bazel's Bash runfiles library (tools/bash/runfiles/runfiles.bash).
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set -euo pipefail
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if [[ ! -d "${RUNFILES_DIR:-/dev/null}" && ! -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
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if [[ -f "$0.runfiles_manifest" ]]; then
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export RUNFILES_MANIFEST_FILE="$0.runfiles_manifest"
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elif [[ -f "$0.runfiles/MANIFEST" ]]; then
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export RUNFILES_MANIFEST_FILE="$0.runfiles/MANIFEST"
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elif [[ -f "$0.runfiles/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
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export RUNFILES_DIR="$0.runfiles"
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fi
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fi
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if [[ -f "${RUNFILES_DIR:-/dev/null}/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
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source "${RUNFILES_DIR}/bazel_tools/tools/bash/runfiles/runfiles.bash"
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elif [[ -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
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source "$(grep -m1 "^bazel_tools/tools/bash/runfiles/runfiles.bash " \
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"$RUNFILES_MANIFEST_FILE" | cut -d ' ' -f 2-)"
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else
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echo >&2 "ERROR: cannot find @bazel_tools//tools/bash/runfiles:runfiles.bash"
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exit 1
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fi
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# --- end runfiles.bash initialization ---
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"""
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def _librule(name):
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return name + "_lib"
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def lua_cclibrary(name, srcs, hdrs = [], deps = [], luadeps = []):
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lib_rule = name + "_lib"
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so_rule = "lib" + name + ".so"
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so_file = _remove_prefix(name, "lua/") + ".so"
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native.cc_library(
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name = _librule(name),
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hdrs = hdrs,
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srcs = srcs,
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deps = deps + [_librule(dep) for dep in luadeps] + ["@lua//:liblua_headers"],
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)
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native.cc_binary(
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name = so_rule,
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linkshared = True,
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deps = [_librule(name)],
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)
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native.genrule(
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name = name + "_copy",
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srcs = [":" + so_rule],
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outs = [so_file],
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cmd = "cp $< $@",
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)
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native.filegroup(
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name = name,
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data = [so_file],
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)
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def _remove_prefix(str, prefix):
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if not str.startswith(prefix):
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fail("%s doesn't start with %s" % (str, prefix))
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return str[len(prefix):]
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def lua_library(name, srcs, base, luadeps = []):
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outs = [_remove_prefix(src, base + "/") for src in srcs]
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native.genrule(
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name = name + "_copy",
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srcs = srcs,
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outs = outs,
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cmd = "cp $(SRCS) $(@D)",
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)
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native.filegroup(
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name = name,
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data = outs + luadeps,
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)
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def lua_binary(name, main, luadeps=[]):
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script = name + ".sh"
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script_contents = (shell_find_runfiles + """
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BASE=$(dirname $(rlocation upb/upb_c.so))
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export LUA_CPATH="$BASE/?.so"
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export LUA_PATH="$BASE/?.lua"
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$(rlocation lua/lua) $(rlocation upb/tools/upbc.lua) "$@"
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""").replace("$", "$$")
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print(native.repository_name())
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native.genrule(
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name = "gen_" + name,
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outs = [script],
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cmd = "(cat <<'HEREDOC'\n%s\nHEREDOC\n) > $@" % script_contents,
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)
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native.sh_binary(
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name = name,
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srcs = [script],
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data = ["@lua//:lua", "@bazel_tools//tools/bash/runfiles", main] + luadeps,
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)
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