From 64776239575b33b165b88f81107e0203b9286ab4 Mon Sep 17 00:00:00 2001
From: Aqua-sama <aqua@iserlohn-fortress.net>
Date: Thu, 25 Mar 2021 08:52:37 +0200
Subject: makefile: add clang-tidy target

---
 .clang-tidy | 21 +++++++++++++++++++++
 .gitignore  |  1 +
 makefile    | 18 +++++++++++++++---
 3 files changed, 37 insertions(+), 3 deletions(-)
 create mode 100644 .clang-tidy

diff --git a/.clang-tidy b/.clang-tidy
new file mode 100644
index 0000000..bf7aa57
--- /dev/null
+++ b/.clang-tidy
@@ -0,0 +1,21 @@
+---
+Checks:          '-*,bugprone-*,cert-*,clang-analyzer-*,cppcoreguidelines-*,performance-*,portability-*,readability-*'
+WarningsAsErrors: ''
+HeaderFilterRegex: '.*'
+AnalyzeTemporaryDtors: false
+FormatStyle:     none
+CheckOptions:    
+  - key:             modernize-loop-convert.MaxCopySize
+    value:           '16'
+  - key:             modernize-loop-convert.MinConfidence
+    value:           reasonable
+  - key:             modernize-loop-convert.NamingStyle
+    value:           CamelCase
+  - key:             modernize-pass-by-value.IncludeStyle
+    value:           llvm
+  - key:             modernize-replace-auto-ptr.IncludeStyle
+    value:           llvm
+  - key:             modernize-use-nullptr.NullMacros
+    value:           'NULL'
+...
+
diff --git a/.gitignore b/.gitignore
index 54a2a5a..fc83119 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@ tools/kconfig/lexer.lex.h
 tools/kconfig/parser.tab.c
 tools/kconfig/parser.tab.h
 
+compile_commands.json
 .config.old
 
 *.tar*
diff --git a/makefile b/makefile
index 6e44faf..58bce7f 100644
--- a/makefile
+++ b/makefile
@@ -2,7 +2,7 @@ include .config
 OBJ_DIR != echo $(CONFIG_OBJ_DIR)
 include toolchain.makefile
 
-.PHONY: default clean test todo run menuconfig
+.PHONY: default clean test tidy todo run menuconfig
 all: $(OBJ_DIR)/glitch.elf
 
 include libk/makefile
@@ -10,12 +10,15 @@ include src/makefile
 include drivers/makefile
 
 AS_OBJ := $(addprefix $(OBJ_DIR)/, $(AS_OBJ))
+CXX_SRC := $(CXX_OBJ:%.o=%.cc)
 CXX_OBJ := $(addprefix $(OBJ_DIR)/, $(CXX_OBJ))
 CXX_DEP = $(CXX_OBJ:%.o=%.d)
+CXX_JSON = $(CXX_OBJ:.o=.json)
 CXX_TEST_OBJ := $(addprefix $(OBJ_DIR)/, $(CXX_TEST_OBJ))
 CXX_INCLUDE := $(addprefix -I, $(CXX_INCLUDE))
 SYSTEM_INCLUDE := $(addprefix -isystem, $(SYSTEM_INCLUDE))
 
+
 $(OBJ_DIR)/glitch.elf: $(autogen) $(AS_OBJ) $(CXX_OBJ) linker.ld
 	@echo "  LD   $@"
 	@$(LD) $(LD_FLAGS) -o $@ $(AS_OBJ) $(CXX_OBJ)
@@ -26,20 +29,29 @@ $(AS_OBJ): $(OBJ_DIR)/%.o: %.S
 	@$(AS) -target $(TARGET) $(AS_FLAGS) $(SYSTEM_INCLUDE) -c $^ -o $@
 
 -include $(CXX_DEP)
-$(CXX_OBJ): $(OBJ_DIR)/%.o : %.cc
+$(OBJ_DIR)/%.o $(OBJ_DIR)%.json : %.cc
 	@mkdir -p $(@D)
 	@echo "  CXX  $<"
-	@$(CXX) -target $(TARGET) $(CXX_FLAGS) $(CXX_INCLUDE) $(SYSTEM_INCLUDE) -MMD -c $< -o $@
+	@$(CXX) -target $(TARGET) $(CXX_FLAGS) $(CXX_INCLUDE) $(SYSTEM_INCLUDE) -MMD -MJ$(subst .o,.json,$@) -c $< -o $@
 
 $(CXX_TEST_OBJ): $(OBJ_DIR)/%.o : %.cc
 	@mkdir -p $(@D)
 	@echo "  TEST $<"
 	@$(TEST_CXX) -target $(TARGET) $(CXX_TEST_FLAGS) $(CXX_INCLUDE) -MMD -c $< -o $@
 
+compile_commands.json: $(CXX_JSON)
+	@echo [ > $@
+	@cat $(CXX_JSON) >> $@
+	@echo ] >> $@
+
 clean:
 	@rm -rf $(autogen) $(AS_OBJ) $(CXX_OBJ) $(CXX_DEP) $(CXX_TEST_OBJ) $(OBJ_DIR)/glitch.elf $(OBJ_DIR)/isodir
+	@rm -f $(CXX_JSON) compile_commands.json
 	@make -C tools/kconfig OBJ_DIR=$(CURDIR)/$(OBJ_DIR)/kconfig clean
 
+tidy: compile_commands.json
+	$(foreach x, $(CXX_SRC), $(shell clang-tidy $x))
+
 # testing
 test: $(CXX_TEST_OBJ)
 
-- 
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