Add clang-tidy

Author: d-frey

.travis.yml

@@ -141,5 +141,16 @@ matrix:
       after_success:
         - coveralls --gcov gcov-7 --gcov-options '\-lp' --exclude src
 
+    - compiler: clang
+      addons:
+        apt:
+          sources: ['ubuntu-toolchain-r-test', 'llvm-toolchain-trusty-5.0']
+          packages: ['clang-5.0', 'clang-tidy-5.0']
+      env:
+        - CXX=clang++-5.0
+        - CLANG_TIDY=clang-tidy-5.0
+      script:
+        - make -kj3 clang-tidy
+
 script:
   make -j3

Makefile

@@ -29,17 +29,26 @@ endif
 CPPFLAGS ?= -pedantic
 CXXFLAGS ?= -Wall -Wextra -Wshadow -Werror -O3
 
-.PHONY: all clean
+CLANG_TIDY ?= clang-tidy
 
+HEADERS := $(shell find include -name '*.hpp')
 SOURCES := $(shell find src -name '*.cpp')
 DEPENDS := $(SOURCES:%.cpp=build/%.d)
 BINARIES := $(SOURCES:%.cpp=build/%)
 
 UNIT_TESTS := $(filter build/src/test/%,$(BINARIES))
 
-all: $(BINARIES)
+.PHONY: all
+all: compile check
+
+.PHONY: compile
+compile: $(BINARIES)
+
+.PHONY: check
+check: $(UNIT_TESTS)
 	@set -e; for T in $(UNIT_TESTS); do echo $$T; $$T > /dev/null; done
 
+.PHONY: clean
 clean:
 	@rm -rf build
 	@find . -name '*~' -delete
@@ -51,6 +60,15 @@ build/%.d: %.cpp Makefile
 build/%: %.cpp build/%.d
 	$(CXX) $(CXXSTD) -Iinclude $(CPPFLAGS) $(CXXFLAGS) $< -o $@
 
+build/%.clang-tidy: %
+	$(CLANG_TIDY) -extra-arg "-Iinclude" -extra-arg "-std=c++11" -checks=*,-cppcoreguidelines-pro-bounds-array-to-pointer-decay,-misc-macro-parentheses -warnings-as-errors=* $< 2>/dev/null
+	@mkdir -p $(@D)
+	@touch $@
+
+.PHONY: clang-tidy
+clang-tidy: $(HEADERS:%=build/%.clang-tidy) $(SOURCES:%=build/%.clang-tidy)
+	@echo "All $(words $(HEADERS) $(SOURCES)) clang-tidy tests passed."
+
 ifeq ($(findstring $(MAKECMDGOALS),clean),)
 -include $(DEPENDS)
 endif