cmake: introduce target with codespell

The patch introduces a new CMake target: "LuaJIT-codespell", that
spellchecks files specified in the whitelist by codespell [1].

1. https://github.com/codespell-project/codespell

Reviewed-by: Maxim Kokryashkin <[email protected]>
Reviewed-by: Sergey Kaplun <[email protected]>
Signed-off-by: Igor Munkin <[email protected]>

Author: ligurio

.codespell-ignore-words.txt

@@ -0,0 +1,2 @@
+isnt
+fpr

CMakeLists.txt

@@ -32,6 +32,7 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 include(LuaJITUtils)
 include(SetBuildParallelLevel)
 include(SetVersion)
+include(CodeSpell)
 
 # --- Variables to be exported to child scopes ---------------------------------
 

cmake/CodeSpell.cmake

@@ -0,0 +1,58 @@
+find_program(CODESPELL codespell)
+
+set(CODESPELL_WHITELIST
+  ${PROJECT_SOURCE_DIR}/.flake8rc
+  ${PROJECT_SOURCE_DIR}/.github
+  ${PROJECT_SOURCE_DIR}/.luacheckrc
+  ${PROJECT_SOURCE_DIR}/CMakeLists.txt
+  ${PROJECT_SOURCE_DIR}/cmake
+  ${PROJECT_SOURCE_DIR}/src/CMakeLists.txt
+  ${PROJECT_SOURCE_DIR}/src/lib_misc.c
+  ${PROJECT_SOURCE_DIR}/src/lj_mapi.c
+  ${PROJECT_SOURCE_DIR}/src/lj_memprof.c
+  ${PROJECT_SOURCE_DIR}/src/lj_memprof.h
+  ${PROJECT_SOURCE_DIR}/src/lj_symtab.c
+  ${PROJECT_SOURCE_DIR}/src/lj_symtab.h
+  ${PROJECT_SOURCE_DIR}/src/lj_sysprof.c
+  ${PROJECT_SOURCE_DIR}/src/lj_sysprof.h
+  ${PROJECT_SOURCE_DIR}/src/lj_utils.h
+  ${PROJECT_SOURCE_DIR}/src/lj_utils_leb128.c
+  ${PROJECT_SOURCE_DIR}/src/lj_wbuf.c
+  ${PROJECT_SOURCE_DIR}/src/lj_wbuf.h
+  ${PROJECT_SOURCE_DIR}/src/lmisclib.h
+  ${PROJECT_SOURCE_DIR}/src/luajit-gdb.py
+  ${PROJECT_SOURCE_DIR}/src/luajit_lldb.py
+  ${PROJECT_SOURCE_DIR}/test/CMakeLists.txt
+  ${PROJECT_SOURCE_DIR}/test/LuaJIT-tests/CMakeLists.txt
+  ${PROJECT_SOURCE_DIR}/test/PUC-Rio-Lua-5.1-tests/CMakeLists.txt
+  ${PROJECT_SOURCE_DIR}/test/PUC-Rio-Lua-5.1-tests/CMakeLists.txt
+  ${PROJECT_SOURCE_DIR}/test/PUC-Rio-Lua-5.1-tests/libs/CMakeLists.txt
+  ${PROJECT_SOURCE_DIR}/test/lua-Harness-tests/CMakeLists.txt
+  ${PROJECT_SOURCE_DIR}/test/tarantool-c-tests
+  ${PROJECT_SOURCE_DIR}/test/tarantool-tests
+  ${PROJECT_SOURCE_DIR}/tools
+)
+
+set(IGNORE_WORDS ${PROJECT_SOURCE_DIR}/.codespell-ignore-words.txt)
+
+add_custom_target(${PROJECT_NAME}-codespell)
+if(CODESPELL)
+  add_custom_command(TARGET ${PROJECT_NAME}-codespell
+    COMMENT "Running codespell"
+    COMMAND
+      ${CODESPELL}
+        --ignore-words ${IGNORE_WORDS}
+        --skip ${IGNORE_WORDS}
+        --check-filenames
+        ${CODESPELL_WHITELIST}
+    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+  )
+else()
+  set(STR1 "codespell is not found,")
+  set(STR2 "so ${PROJECT_NAME}-codespell target is dummy")
+  string(CONCAT WARN_MSG "${STR1} ${STR2}")
+  add_custom_command(TARGET ${PROJECT_NAME}-codespell
+    COMMAND ${CMAKE_COMMAND} -E cmake_echo_color --red ${WARN_MSG}
+    COMMENT ${WARN_MSG}
+  )
+endif()

test/CMakeLists.txt

@@ -68,6 +68,7 @@ endif()
 add_custom_target(${PROJECT_NAME}-lint DEPENDS
   ${PROJECT_NAME}-luacheck
   ${PROJECT_NAME}-flake8
+  ${PROJECT_NAME}-codespell
 )
 
 set(LUAJIT_TEST_COMMAND "${LUAJIT_TEST_BINARY} -e dofile[[${LUAJIT_TEST_INIT}]]")