From 24811d11b5e1524706ffced889ec831a49e6ccd8 Mon Sep 17 00:00:00 2001
From: msclock <msclock@qq.com>
Date: Tue, 21 May 2024 21:02:04 +0800
Subject: [PATCH] feat: add clang-tidy for static analysis (#108)

Signed-off-by: msclock <msclock@qq.com>
---
 cmake/build/ClangTidy.cmake | 63 +++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 cmake/build/ClangTidy.cmake

diff --git a/cmake/build/ClangTidy.cmake b/cmake/build/ClangTidy.cmake
new file mode 100644
index 0000000..8b503bd
--- /dev/null
+++ b/cmake/build/ClangTidy.cmake
@@ -0,0 +1,63 @@
+#[[
+Configure clang-tidy for static analysis when compiling a C++ project.
+]]
+
+include_guard(GLOBAL)
+
+set(USE_CLANGTIDY
+    ON
+    CACHE BOOL "Use clang-tidy for static analysis of C++ code")
+
+set(USE_CLANGTIDY_OPTIONS
+    -extra-arg=-Wno-unknown-warning-option
+    -extra-arg=-Wno-ignored-optimization-argument
+    -extra-arg=-Wno-unused-command-line-argument -p ${CMAKE_BINARY_DIR})
+
+set(USE_CLANGTIDY_WARNINGS_AS_ERRORS
+    OFF
+    CACHE BOOL "Treat cppcheck warnings as errors")
+
+message(
+  STATUS
+    "Use Clang-tidy with USE_CLANGTIDY: ${USE_CLANGTIDY}
+  Clang-tidy Options:
+    USE_CLANGTIDY: If use clang-tidy. Default is ON.
+    USE_CLANGTIDY_OPTIONS: clang-tidy run options. Default is ${USE_CLANGTIDY_OPTIONS}
+    USE_CLANGTIDY_WARNINGS_AS_ERRORS: If treat warnings as errors. Default is OFF."
+)
+
+if(NOT USE_CLANGTIDY)
+  message(STATUS "Disable clang-tidy by USE_CLANGTIDY evaluates to false")
+  return()
+endif()
+
+find_program(
+  CLANGTIDY_COMMAND
+  NAMES clang-tidy
+  DOC "Path to clang-tidy executable")
+
+if(NOT CLANGTIDY_COMMAND)
+  message(WARNING "No clang-tidy found, disabling clang-tidy analysis")
+  return()
+endif()
+
+set(CMAKE_CXX_CLANG_TIDY ${CLANGTIDY_COMMAND} ${USE_CLANGTIDY_OPTIONS})
+
+# Add the standard to the clang-tidy options
+if(NOT "${CMAKE_CXX_STANDARD}" STREQUAL "")
+  if("${USE_CLANGTIDY_OPTIONS_DRIVER_MODE}" STREQUAL "cl")
+    set(CLANG_TIDY_STANDARD_BY_DRIVER -extra-arg=/std:c++${CMAKE_CXX_STANDARD})
+  else()
+    set(CLANG_TIDY_STANDARD_BY_DRIVER -extra-arg=-std=c++${CMAKE_CXX_STANDARD})
+  endif()
+
+  list(APPEND CMAKE_CXX_CLANG_TIDY ${CLANG_TIDY_STANDARD_BY_DRIVER})
+  unset(CLANG_TIDY_STANDARD_BY_DRIVER)
+endif()
+
+if(USE_CLANGTIDY_WARNINGS_AS_ERRORS)
+  list(APPEND CMAKE_CXX_CLANG_TIDY -warnings-as-errors=*)
+endif()
+
+list(REMOVE_DUPLICATES CMAKE_CXX_CLANG_TIDY)
+message(STATUS "Clang-tidy final command: ${CMAKE_CXX_CLANG_TIDY}")