[Tarantool-patches] [PATCH luajit 3/4][v2] cmake: introduce target with codespell

[Sergey Bronnikov via Tarantool-patches <tarantool-patches@dev.tarantool.org>]

From: Sergey Bronnikov <sergeyb@tarantool.org>

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

1. https://github.com/codespell-project/codespell
---
 CMakeLists.txt                   |  1 +
 cmake/CodeSpell.cmake            | 36 ++++++++++++++++++++++++++++++++
 test/CMakeLists.txt              |  1 +
 tools/codespell-ignore-words.txt |  3 +++
 4 files changed, 41 insertions(+)
 create mode 100644 cmake/CodeSpell.cmake
 create mode 100644 tools/codespell-ignore-words.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index eebf3d6f..7ef10f2f 100644
--- a/CMakeLists.txt
+++ b/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 ---------------------------------
 
diff --git a/cmake/CodeSpell.cmake b/cmake/CodeSpell.cmake
new file mode 100644
index 00000000..c4d3555d
--- /dev/null
+++ b/cmake/CodeSpell.cmake
@@ -0,0 +1,36 @@
+find_program(CODESPELL codespell)
+
+list(APPEND CODESPELL_WHITELIST ${PROJECT_SOURCE_DIR}/src/lj_mapi.c)
+list(APPEND CODESPELL_WHITELIST ${PROJECT_SOURCE_DIR}/src/lj_sysprof.c)
+list(APPEND CODESPELL_WHITELIST ${PROJECT_SOURCE_DIR}/src/lj_utils_leb128.c)
+list(APPEND CODESPELL_WHITELIST ${PROJECT_SOURCE_DIR}/src/lj_wbuf.c)
+list(APPEND CODESPELL_WHITELIST ${PROJECT_SOURCE_DIR}/src/luajit-gdb.py)
+list(APPEND CODESPELL_WHITELIST ${PROJECT_SOURCE_DIR}/src/luajit_lldb.py)
+list(APPEND CODESPELL_WHITELIST ${PROJECT_SOURCE_DIR}/test/CMakeLists.txt)
+list(APPEND CODESPELL_WHITELIST ${PROJECT_SOURCE_DIR}/test/tarantool-c-tests)
+list(APPEND CODESPELL_WHITELIST ${PROJECT_SOURCE_DIR}/test/tarantool-tests)
+list(APPEND CODESPELL_WHITELIST ${PROJECT_SOURCE_DIR}/tools)
+
+set(IGNORE_WORDS ${PROJECT_SOURCE_DIR}/tools/codespell-ignore-words.txt)
+
+add_custom_target(${PROJECT_NAME}-codespell)
+if (CODESPELL)
+  add_custom_command(TARGET ${PROJECT_NAME}-codespell
+    COMMENT "Running codespell"
+    COMMAND
+      ${CODESPELL}
+        --ignore-words ${IGNORE_WORDS}
+        --skip ${IGNORE_WORDS}
+        --ignore-words-list fpr
+        --check-filenames
+        ${CODESPELL_WHITELIST}
+    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+  )
+else ()
+  set(WARN_MSG "`codespell' is not found, "
+               "so ${PROJECT_NAME}-codespell target is dummy")
+  add_custom_command(TARGET ${PROJECT_NAME}-codespell
+    COMMAND ${CMAKE_COMMAND} -E cmake_echo_color --red ${MSG}
+    COMMENT ${MSG}
+  )
+endif (CODESPELL)
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 58cba5ba..8afc42df 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -68,6 +68,7 @@ endif()
 add_custom_target(${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}]]")
diff --git a/tools/codespell-ignore-words.txt b/tools/codespell-ignore-words.txt
new file mode 100644
index 00000000..ceeed47c
--- /dev/null
+++ b/tools/codespell-ignore-words.txt
@@ -0,0 +1,3 @@
+mmaped
+isnt
+FPR
-- 
2.34.1