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50 lines
1.2 KiB
50 lines
1.2 KiB
4 months ago
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# buildifier: disable=module-docstring
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load("@bazel_skylib//rules:run_binary.bzl", "run_binary")
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load("@rules_cc//cc:defs.bzl", "cc_library")
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def rust_cxx_bridge(name, src, deps = []):
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"""A macro defining a cxx bridge library
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Args:
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name (string): The name of the new target
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src (string): The rust source file to generate a bridge for
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deps (list, optional): A list of dependencies for the underlying cc_library. Defaults to [].
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"""
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native.alias(
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name = "%s/header" % name,
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actual = src + ".h",
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)
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native.alias(
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name = "%s/source" % name,
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actual = src + ".cc",
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)
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run_binary(
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name = "%s/generated" % name,
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srcs = [src],
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outs = [
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src + ".h",
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src + ".cc",
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],
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args = [
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"$(location %s)" % src,
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"-o",
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"$(location %s.h)" % src,
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"-o",
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"$(location %s.cc)" % src,
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],
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tool = "@cxx.rs//:codegen",
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)
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cc_library(
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name = name,
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srcs = [src + ".cc"],
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deps = deps + [":%s/include" % name],
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)
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cc_library(
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name = "%s/include" % name,
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hdrs = [src + ".h"],
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)
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