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README.md

AwesomeAssert

Linux and OSX build Status Windows build status

An assert implementation that aims to provide usable information while maintaining as small a performance footprint as possible when not failing.

Requirements

Capture and Log Context When Failing

For binary comparisons, don’t just log the stringified expression, log the values of the two operands. For unary expressions, i.e. convertible-to-bool, log the value of that expression.

This should work without having to use separate macros for every comparison operator.

Code Locality for Non-Failing Path

The compiler-generated code (assembly) should not branch to a distant site when the asserted condition is met. Preferably no branch at all should occur when the asserted condition is met.

Don’t Waste Cycles on Diagnostics for Non-Failing Path

No preparation of diagnostic information should happen at all when the asserted condition is met.

The largest performance impact permitted when not failing the condition is register spill-over. Specifically the register spill-over caused by the need to retain the values of the comparison expression is permitted.

TODO: Look into compiler optimizations capable of reconstructing the values instead of storing them.

Customizable Handling

Permit the user to override the failure handler. It should stay [[noreturn]] though. Preferrably noexcept as well, although that should probably be customizable.

License

Copyright © 2016-2018 Giel van Schijndel

AwesomeAssert is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

AwesomeAssert is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with AwesomeAssert. If not, see http://www.gnu.org/licenses/.