diff options
| -rw-r--r-- | .editorconfig | 2 | ||||
| -rw-r--r-- | .gitignore | 4 | ||||
| -rw-r--r-- | CMakeLists.txt | 5 | ||||
| -rw-r--r-- | GNUmakefile | 8 | ||||
| -rwxr-xr-x | build-aux/gcov-prune | 33 |
5 files changed, 50 insertions, 2 deletions
diff --git a/.editorconfig b/.editorconfig index 69c649d..9540302 100644 --- a/.editorconfig +++ b/.editorconfig @@ -48,7 +48,7 @@ _mode = gitignore [{build-aux/lint-unknown,build-aux/embed-sources.h.gen}] _mode = sh -[{build-aux/lint-{bin,h,generic},build-aux/get-dscname,build-aux/valgrind,libusb/include/libusb/tusb_helpers.h.gen}] +[{build-aux/lint-{bin,h,generic},build-aux/get-dscname,build-aux/valgrind,build-aux/gcov-prune,libusb/include/libusb/tusb_helpers.h.gen}] _mode = bash [build-aux/stack.c.gen] @@ -1,11 +1,13 @@ # .gitignore - Which files to ignore # -# Copyright (C) 2024 Luke T. Shumaker <lukeshu@lukeshu.com> +# Copyright (C) 2024-2025 Luke T. Shumaker <lukeshu@lukeshu.com> # SPDX-License-Identifier: AGPL-3.0-or-later *.o *.log *.tmp +*.gcov.json.gz + .mypy_cache/ __pycache__/ .gdb_history diff --git a/CMakeLists.txt b/CMakeLists.txt index 5ce49ed..2022bd1 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -44,6 +44,11 @@ function(_suppress_tinyusb_warnings) COMPILE_OPTIONS "-Wno-switch-enum") endfunction() +if (PICO_PLATFORM STREQUAL "host") + add_compile_options(--coverage) + add_link_options(--coverage) +endif() + function(target_embed_sources arg_compile_target arg_link_target arg_hdrname) set(embed_objs) foreach(embed_src IN LISTS ARGN) diff --git a/GNUmakefile b/GNUmakefile index 9836b33..146f725 100644 --- a/GNUmakefile +++ b/GNUmakefile @@ -101,8 +101,16 @@ check: $(MAKE) -k INNER=t $(foreach t,$(build_types),$(foreach p,$(platforms),build/$p-$t/check)) .PHONY: check +# `gcc` writes .gcno +# Running the program writes .gcda (updates existing files, concurrent-safe) +# GCC `gcov` post-processes .gcno+.gcda to .gcov +# `gcovr` is a Python script that calls `gcov` and merges and post-processes the .gcov files to other formats +gcovr_flags = --txt=$(@D)/coverage.txt +gcovr_flags += --html=$(@D)/coverage.html --html-details --html-single-page=js-enabled $(foreach t,$(build_types),$(foreach p,$(platforms),build/$p-$t/check)): build/%/check: build/%/build + ./build-aux/gcov-prune $(@D) +cd $(@D) && ctest --output-on-failure $(if $(filter --jobserver-auth=%,$(MAKEFLAGS)),--parallel) + gcovr $(gcovr_flags) -- $(@D) .PHONY: $(foreach t,$(build_types),$(foreach p,$(platforms),build/$p-$t/check)) # `lint` and `format` ########################################################## diff --git a/build-aux/gcov-prune b/build-aux/gcov-prune new file mode 100755 index 0000000..dc190a9 --- /dev/null +++ b/build-aux/gcov-prune @@ -0,0 +1,33 @@ +#!/usr/bin/env bash +# build-aux/gcov-prune - Prune old GCC coverage files +# +# Copyright (C) 2025 Luke T. Shumaker <lukeshu@lukeshu.com> +# SPDX-License-Identifier: AGPL-3.0-or-later + +set -e + +[[ $# == 1 ]] + +sourcedir="$(realpath -- .)" +builddir="$(realpath -- "$1")" + +# `gcc` writes .gcno +# Running the program writes .gcda (updates existing files, concurrent-safe) +# GCC `gcov` post-processes .gcno+.gcda to .gcov +# `gcovr` is a Python script that calls `gcov` and merges and post-processes the .gcov files to other formats + +# Prune orphaned .gcno files. +find "$builddir" -name '*.gcno' -printf '%P\0' | while read -d '' -r gcno_file; do + rel_base="${gcno_file%/CMakeFiles/*}" + src_file="$gcno_file" + src_file="${src_file#*/CMakeFiles/*.dir/}" + src_file="${src_file%.gcno}" + src_file="${src_file//__/..}" + src_file="$rel_base/$src_file" + if [[ ! -e "$sourcedir/$src_file" || "$sourcedir/$src_file" -nt "$builddir/$gcno_file" ]]; then + rm -fv -- "$builddir/$gcno_file" + fi +done + +# Prune all .gcda files. +find "$builddir" -name '*.gcda' -delete |