# Copyright 2020 The Pigweed Authors
#
# 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
#
#     https://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(
    "//pw_build:pigweed.bzl",
    "pw_cc_library",
    "pw_cc_test",
)

package(default_visibility = ["//visibility:public"])

licenses(["notice"])

pw_cc_library(
    name = "pw_span",
    srcs = ["public/pw_span/internal/span_common.inc"],
    hdrs = ["public/pw_span/span.h"],
    includes = ["public"],
    deps = ["//pw_polyfill"],
)

pw_cc_library(
    name = "polyfill",
    srcs = [
        "public/pw_span/internal/span_common.inc",
        "public/pw_span/internal/span_polyfill.h",
    ],
    hdrs = ["internal_only_include_path_do_not_use/span"],
    includes = [
        "internal_only_include_path_do_not_use",
        "public",
    ],
    # Disallow use of the <span> polyfill.
    visibility = ["//visibility:private"],
    deps = [
        "//pw_polyfill",
        "//pw_polyfill:standard_library",
    ],
)

pw_cc_test(
    name = "polyfill_test",
    srcs = ["span_test.cc"],
    defines = [
        "PW_SPAN_TEST_INCLUDE=<span>",
        "PW_SPAN_TEST_NAMESPACE=std",
    ],
    deps = [
        ":polyfill",
        "//pw_unit_test",
    ],
)

pw_cc_test(
    name = "pw_span_test",
    srcs = ["span_test.cc"],
    defines = [
        'PW_SPAN_TEST_INCLUDE=\\"pw_span/span.h\\"',
        "PW_SPAN_TEST_NAMESPACE=pw",
    ],
    deps = [
        ":pw_span",
        "//pw_unit_test",
    ],
)

pw_cc_test(
    name = "compatibility_test",
    srcs = ["compatibility_test.cc"],
    deps = [
        ":polyfill",
        ":pw_span",
    ],
)