Update c++ tools page

chapters/cpp/tools.md

@@ -7,20 +7,23 @@
 - cross platform different warnings
 - old versions in distros
 
-## clang-tidy
+## clang-format
 
-- Visual Studio
-- from terminal/python script
+Automatic formatting of source code. A must have in my option. It doesn't matter what configuration you pick, the goal is for your complete code base to look as similar as possible.
 
-## clang-format
+```sh
+# Formats all files with endings .h .hpp .cpp inplace (overrides).
+find . -iname '*.h' -o -iname '*.hpp' -o -iname '*.cpp' | xargs clang-format -i
+```
 
-- A must
-- Pick a standard
-- Visual Studio integration
-- python script
+## clang-tidy
+
+Static analysis tool. Takes a lot of CPU to run, but finds a lot of valid issuses.
 
 ## compiler-explorer
 
+[https://godbolt.org](https://godbolt.org/)
+
 Online compiler. Great for testing small code snippets. Does not currently have `JUCE` installed unfortunately.
 
 ## coverage
@@ -30,6 +33,30 @@ Online compiler. Great for testing small code snippets. Does not currently have
 
 ## Makefile/Scripts
 
-- Makefile
-- Shell scripts
-- Projucer python bindings
+I usally wrap all the common commands in a Makefile. Just to save some typing.
+
+```make
+CONFIG ?= Release
+BUILD_DIR ?= build
+GENERATOR ?= Ninja
+
+.PHONY: config
+config:
+ cmake -S. -B$(BUILD_DIR) -G$(GENERATOR) -DCMAKE_BUILD_TYPE=$(CONFIG)
+
+.PHONY: build
+build:
+ cmake --build $(BUILD_DIR) --config $(CONFIG)
+
+.PHONY: test
+test:
+ cd $(BUILD_DIR) && ctest -C $(CONFIG)
+
+.PHONY: clean
+clean:
+ rm -rf $(BUILD_DIR)
+
+.PHONY: format
+format:
+ find . -iname '*.h' -o -iname '*.hpp' -o -iname '*.cpp' | xargs clang-format -i
+```