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# Copyright 2021 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.
import("//build_overrides/pigweed.gni")
import("$dir_pw_build/facade.gni")
import("$dir_pw_docgen/docs.gni")
import("$dir_pw_unit_test/test.gni")
declare_args() {
# Backend for the pw_assert module.
pw_assert_BACKEND = ""
}
config("public_include_path") {
include_dirs = [ "public" ]
visibility = [ ":*" ]
}
# Depending on dir_pw_assert provides both assert and check.
group("pw_assert") {
public_deps = [
":assert",
":check",
]
}
# Wrap :pw_assert with facade-style targets, so it can be used as if it were
# created with pw_facade.
group("facade") {
public_deps = [
":assert",
":check.facade",
]
}
group("pw_assert.facade") {
public_deps = [ ":facade" ]
}
# Provides the rich PW_CHECK macros.
pw_facade("check") {
backend = pw_assert_BACKEND
public_configs = [ ":public_include_path" ]
public = [
"public/pw_assert/check.h",
"public/pw_assert/internal/check_impl.h",
"public/pw_assert/options.h",
"public/pw_assert/short.h",
]
public_deps = [ dir_pw_preprocessor ]
}
# Provide "pw_assert/assert.h" in its own source set, so it can be used without
# depending on pw_assert_BACKEND. This makes it possible to use PW_ASSERT in
# situations that might result in circular dependencies, such as in low-level
# headers like polyfill or span. See the docs for more discussion around where
# to use which assert headers.
#
# The implementation function pw_assert_HandleFailure() must be provided at link
# time. It is linked by the pw_assert:pw_assert (or pw_assert:check) targets.
pw_source_set("assert") {
public_configs = [ ":public_include_path" ]
public = [
"public/pw_assert/assert.h",
# Needed for PW_ASSERT_ENABLE_DEBUG. Note that depending on :pw_assert to
# get options.h won't work here since it will trigger the circular include
# problem that the :assert target is intended solve.
"public/pw_assert/options.h",
]
public_deps = [ dir_pw_preprocessor ]
}
# Note: While this is technically a test, doesn't verify any of the output and
# is more of a compile test. The results can be visually verified if desired.
pw_test("assert_test") {
configs = [ ":public_include_path" ]
sources = [ "assert_test.cc" ]
deps = [ ":pw_assert" ]
}
pw_test_group("tests") {
tests = [
":assert_test",
":assert_backend_compile_test",
":assert_facade_test",
]
}
# The assert facade test doesn't require a backend since a fake one is
# provided. However, since this doesn't depend on the backend it re-includes
# the facade headers.
pw_test("assert_facade_test") {
configs = [ ":public_include_path" ] # For internal/assert_impl.h
sources = [
"assert_facade_test.cc",
"fake_backend.cc",
"public/pw_assert/internal/check_impl.h",
"pw_assert_test/fake_backend.h",
]
deps = [
":assert",
dir_pw_status,
]
# TODO(frolv): Fix this test on the QEMU target.
enable_if = pw_build_EXECUTABLE_TARGET_TYPE != "lm3s6965evb_executable"
}
pw_test("assert_backend_compile_test") {
enable_if = pw_assert_BACKEND != ""
deps = [
":pw_assert",
dir_pw_status,
pw_assert_BACKEND,
]
sources = [
"assert_backend_compile_test.cc",
"assert_backend_compile_test_c.c",
]
}
pw_doc_group("docs") {
sources = [ "docs.rst" ]
}
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