Added clang-tidy Makefile target

.gitignore

@@ -19,6 +19,7 @@ bin/
 /puml/
 /debug/
 /release/
+/debug_tidy
 /.cache
 docs/diagrams
 

CONTRIBUTING.md

@@ -64,6 +64,11 @@ Thanks for taking interest in `clang-uml`!
   make format
   git add . && git commit -m "Fixed formatting"
   ```
+* Make sure the code doesn't introduce any `clang-tidy` warnings:
+  ```bash
+  make tidy
+  ```
+
 * Create a pull request from your branch to `master` branch
 
 ## If you would like to add a feature
@@ -79,6 +84,7 @@ Thanks for taking interest in `clang-uml`!
   * 80-character line width
   * snakes over camels
   * use `make format` before submitting PR to ensure consistent formatting
+  * use `make tidy` to check if your code doesn't introduce any `clang-tidy` warnings
 * Add test case (or multiple test cases), which cover the new feature
 * Finally, create a pull request!
 

Makefile

@@ -41,7 +41,7 @@ GIT_BRANCH ?= $(shell git rev-parse --abbrev-ref HEAD)
 
 .PHONY: clean
 clean:
-	rm -rf debug release
+	rm -rf debug release debug_tidy
 
 debug/CMakeLists.txt:
 	cmake -S . -B debug \
@@ -61,10 +61,24 @@ release/CMakeLists.txt:
 		-DCMAKE_EXE_LINKER_FLAGS="$(CMAKE_EXE_LINKER_FLAGS)" \
 		-DLLVM_VERSION=${LLVM_VERSION}
 
+debug_tidy/CMakeLists.txt:
+	cmake -S . -B debug_tidy \
+		-DGIT_VERSION=$(GIT_VERSION) \
+		-DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
+		-DCMAKE_BUILD_TYPE=Debug \
+		-DBUILD_TESTS=OFF \
+		-DCMAKE_CXX_FLAGS="$(CMAKE_CXX_FLAGS)" \
+		-DCMAKE_EXE_LINKER_FLAGS="$(CMAKE_EXE_LINKER_FLAGS)" \
+		-DLLVM_VERSION=${LLVM_VERSION}
+
 debug: debug/CMakeLists.txt
 	echo "Using ${NUMPROC} cores"
 	make -C debug -j$(NUMPROC)
 
+debug_tidy: debug_tidy/CMakeLists.txt
+	echo "Using ${NUMPROC} cores"
+	make -C debug_tidy -j$(NUMPROC)
+
 release: release/CMakeLists.txt
 	make -C release -j$(NUMPROC)
 
@@ -106,6 +120,10 @@ clang-format:
 format:
 	docker run --rm -v $(CURDIR):/root/sources bkryza/clang-format-check:1.3
 
+.PHONY: debug_tidy
+tidy: debug_tidy
+	run-clang-tidy-12 -p debug_tidy ./src
+
 .PHONY: check-formatting
 check-formatting:
 	./util/check_formatting.sh