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f7a5b51b0c
Splits up the pw_assert_basic module to add a facade layer to allow a user to provide a custom pw_assert_basic_HandleFailure() implementation. The existing handler, previously named pw_Crash(), was moved to a basic_handler facade which mirrors the pw_cpu_exception structure and naming. Unlike pw_cpu_exception, pw_assert_basic defaults to the basic_handler backend. This refactor should allow users, especially during initial bringup, to trivially bring up assert support with target specific handlers with less code duplication and complications. Note that pw_assert_basic is still not recommended for production use as it is rather heavy weight, we strongly recommend using tokenized asserts. Change-Id: I3a0c0aacc9a88d44b35b24ad0a13dd7e2badc209 Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/28520 Commit-Queue: Ewout van Bekkum <ewout@google.com> Reviewed-by: Keir Mierle <keir@google.com>
30 lines
1.3 KiB
Plaintext
30 lines
1.3 KiB
Plaintext
# Copyright 2020 The Pigweed Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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import("//build_overrides/pigweed.gni")
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declare_args() {
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# Handler backend for the pw_assert_basic module which implements
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# pw_assert_basic_HandleFailure, this defaults to the basic_handler.
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#
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# Note: Don't confuse pw_assert_BACKEND and pw_assert_basic_HANDLER_BACKEND:
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# 1) pw_assert_BACKEND must be set to dir_pw_assert_basic in order to
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# use this module which ensures that asserts always invoke
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# pw_assert_basic_HandleFailure.
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# 2) pw_assert_basic_HANDLER_BACKEND allows you to switch out the
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# implementation of the handler which is invoked (i.e.
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# pw_assert_basic_HandleFailure).
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pw_assert_basic_HANDLER_BACKEND = "$dir_pw_assert_basic:basic_handler"
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}
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