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# Copyright 2014 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
load(
"//go/private:mode.bzl",
"LINKMODES_EXECUTABLE",
"LINKMODE_C_ARCHIVE",
"LINKMODE_C_SHARED",
"LINKMODE_NORMAL",
)
load(
"//go/private/rules:library.bzl",
"go_library",
)
load(
"//go/private/rules:binary.bzl",
"go_binary",
"go_non_executable_binary",
)
load(
"//go/private/rules:test.bzl",
"go_test",
)
_SELECT_TYPE = type(select({"//conditions:default": ""}))
def _cgo(name, kwargs):
if "objc" in kwargs:
fail("//{}:{}: the objc attribute has been removed. .m sources may be included in srcs or may be extracted into a separated objc_library listed in cdeps.".format(native.package_name(), name))
def go_library_macro(name, **kwargs):
"""See docs/go/core/rules.md#go_library for full documentation."""
_cgo(name, kwargs)
go_library(name = name, **kwargs)
def go_binary_macro(name, **kwargs):
"""See docs/go/core/rules.md#go_binary for full documentation."""
_cgo(name, kwargs)
if kwargs.get("goos") != None or kwargs.get("goarch") != None:
for key, value in kwargs.items():
if type(value) == _SELECT_TYPE:
# In the long term, we should replace goos/goarch with Bazel-native platform
# support, but while we have the mechanisms, we try to avoid people trying to use
# _both_ goos/goarch _and_ native platform support.
#
# It's unclear to users whether the select should happen before or after the
# goos/goarch is reconfigured, and we can't interpose code to force either
# behaviour, so we forbid this.
fail("Cannot use select for go_binary with goos/goarch set, but {} was a select".format(key))
if kwargs.get("linkmode", default = LINKMODE_NORMAL) in LINKMODES_EXECUTABLE:
go_binary(name = name, **kwargs)
else:
go_non_executable_binary(name = name, **kwargs)
if kwargs.get("linkmode") in (LINKMODE_C_ARCHIVE, LINKMODE_C_SHARED):
# Create an alias to tell users of the `.cc` rule that it is deprecated.
native.alias(
name = "{}.cc".format(name),
actual = name,
visibility = ["//visibility:public"],
tags = ["manual"],
deprecation = "This target is deprecated and will be removed in the near future. Please depend on ':{}' directly.".format(name),
)
def go_test_macro(name, **kwargs):
"""See docs/go/core/rules.md#go_test for full documentation."""
_cgo(name, kwargs)
go_test(name = name, **kwargs)
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