Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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100 lines
3.0 KiB
100 lines
3.0 KiB
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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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