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# Check (and apply) style for C++/CUDA files.
#
# This cmake file has the same functionality as as the CppFormater in
# check_style.py, but works without any python dependencies.
#
# This cmake file expects the following variables:
# > PROJECT_SOURCE_DIR
# > APPLY
#
# Example usage:
# cmake -DPROJECT_SOURCE_DIR=/path/to/open3d \
# -DAPPLY=ON \
# -P check_cpp_style.cmake
option(APPLY "Apply style to files in-place." OFF)
# Try to locate "clang-format-10" and then "clang-format"
find_program(CLANG_FORMAT clang-format-10 PATHS ENV PATH)
if(NOT CLANG_FORMAT)
find_program(CLANG_FORMAT clang-format-mp-10 PATHS ENV PATH)
endif()
if(NOT CLANG_FORMAT)
find_program(CLANG_FORMAT clang-format PATHS ENV PATH)
endif()
if(CLANG_FORMAT)
message(STATUS "clang-format found at: ${CLANG_FORMAT}")
execute_process(COMMAND ${CLANG_FORMAT} --version)
else()
message("See http://www.open3d.org/docs/release/contribute/styleguide.html#style-guide for help on style checker")
message(FATAL_ERROR "clang-format not found, style not available")
endif()
# Process individual file
macro(style_apply_file_cpp FILE)
execute_process(
COMMAND ${CLANG_FORMAT} -style=file -output-replacements-xml ${FILE}
OUTPUT_VARIABLE STYLE_CHECK_RESULT
)
if("${STYLE_CHECK_RESULT}" MATCHES ".*<replacement .*")
if(APPLY)
message(STATUS "Style applied for: ${FILE}")
execute_process(COMMAND ${CLANG_FORMAT} -style=file -i ${FILE})
else()
message(STATUS "Style error: ${FILE}")
list(APPEND ERROR_LIST_CPP ${FILE})
endif()
endif()
endmacro()
# Note: also modify CPP_FORMAT_DIRS in check_style.py.
set(CPP_FORMAT_DIRS
cpp
examples
docs/_static
)
if(APPLY)
message(STATUS "C++/CUDA apply-style...")
else()
message(STATUS "C++/CUDA check-style...")
endif()
foreach(DIRECTORY ${CPP_FORMAT_DIRS})
file(GLOB_RECURSE FILES
# C++
"${PROJECT_SOURCE_DIR}/${DIRECTORY}/*.h"
"${PROJECT_SOURCE_DIR}/${DIRECTORY}/*.cpp"
# CUDA
"${PROJECT_SOURCE_DIR}/${DIRECTORY}/*.cuh"
"${PROJECT_SOURCE_DIR}/${DIRECTORY}/*.cu"
# ISPC
"${PROJECT_SOURCE_DIR}/${DIRECTORY}/*.isph"
"${PROJECT_SOURCE_DIR}/${DIRECTORY}/*.ispc"
# Generated files
"${PROJECT_SOURCE_DIR}/${DIRECTORY}/*.h.in"
)
set(IGNOFRED_FILES
"${PROJECT_SOURCE_DIR}/cpp/open3d/visualization/shader/Shader.h"
)
list(REMOVE_ITEM FILES ${IGNOFRED_FILES})
foreach(FILE ${FILES})
style_apply_file_cpp(${FILE})
endforeach(FILE)
endforeach(DIRECTORY)
if(APPLY)
message(STATUS "C++/CUDA apply-style done.")
else()
message(STATUS "C++/CUDA check-style done.")
endif()
# Throw error if under style check mode.
if(ERROR_LIST_CPP AND (NOT APPLY))
message(FATAL_ERROR "Style errors found.")
endif()
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