# 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",
    "LINKMODE_C_ARCHIVE",
    "LINKMODE_C_SHARED",
    "LINKMODE_PLUGIN",
)
load(
    "//go/private:common.bzl",
    "ARCHIVE_EXTENSION",
    "has_shared_lib_extension",
)

def emit_binary(
        go,
        name = "",
        source = None,
        test_archives = [],
        gc_linkopts = [],
        version_file = None,
        info_file = None,
        executable = None):
    """See go/toolchains.rst#binary for full documentation."""

    if name == "" and executable == None:
        fail("either name or executable must be set")

    archive = go.archive(go, source)
    if not executable:
        extension = go.exe_extension
        if go.mode.link == LINKMODE_C_SHARED:
            name = "lib" + name  # shared libraries need a "lib" prefix in their name
            extension = go.shared_extension
        elif go.mode.link == LINKMODE_C_ARCHIVE:
            extension = ARCHIVE_EXTENSION
        elif go.mode.link == LINKMODE_PLUGIN:
            extension = go.shared_extension
        executable = go.declare_file(go, path = name, ext = extension)
    go.link(
        go,
        archive = archive,
        test_archives = test_archives,
        executable = executable,
        gc_linkopts = gc_linkopts,
        version_file = version_file,
        info_file = info_file,
    )
    cgo_dynamic_deps = [
        d
        for d in archive.cgo_deps.to_list()
        if has_shared_lib_extension(d.basename)
    ]
    runfiles = go._ctx.runfiles(files = cgo_dynamic_deps).merge(archive.runfiles)

    return archive, executable, runfiles