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54 lines
2.1 KiB
CMake
54 lines
2.1 KiB
CMake
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# CheckBannedFunctions.cmake
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# Usage: include(CheckBannedFunctions.cmake)
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# This script scans for banned functions in io directories and fails the build if found.
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# Set CMP0007 to NEW to ensure list variables are not stringified
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cmake_policy(SET CMP0007 NEW)
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# Usage: check_banned_functions() after setting BANNED_DIRS
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macro(check_banned_functions)
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set(BANNED_FUNCTIONS "strtod" "strtof" "atof")
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set(BANNED_SCAN_FILES)
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# Ensure BANNED_DIRS is set and not empty
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if(NOT DEFINED BANNED_DIRS OR "${BANNED_DIRS}" STREQUAL "")
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message(FATAL_ERROR "BANNED_DIRS variable is not set or empty.")
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endif()
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# Convert space-separated to semicolon-separated list
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string(REPLACE " " ";" BANNED_DIRS "${BANNED_DIRS}")
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foreach(dir IN LISTS BANNED_DIRS)
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message(STATUS "Checking for banned functions in: ${dir}")
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file(GLOB_RECURSE found_files
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RELATIVE ${CMAKE_SOURCE_DIR}
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${dir}/*.c
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${dir}/*.cpp
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${dir}/*.h
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${dir}/*.hpp
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)
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list(APPEND BANNED_SCAN_FILES ${found_files})
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endforeach()
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foreach(file ${BANNED_SCAN_FILES})
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# Read file into lines using file(STRINGS)
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file(STRINGS ${CMAKE_SOURCE_DIR}/${file} file_lines)
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foreach(line IN LISTS file_lines)
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foreach(func ${BANNED_FUNCTIONS})
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if(line MATCHES "\\b${func}\\b")
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message(FATAL_ERROR "Banned function '${func}' found in ${file}")
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endif()
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endforeach()
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# Only error if the line does not end with //format:allow (allow spaces between // and format)
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# we allow this for specific cases where the format specifier is needed because the
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# string is shown to the user and needs to be formatted in their locale e.g. error messages
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if(line MATCHES "%\\d*\\.?\\d*[fg]" AND NOT line MATCHES "format:allow")
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message(FATAL_ERROR "Banned format specifier '%f' or '%g' found in ${file}")
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endif()
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endforeach()
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endforeach()
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endmacro()
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check_banned_functions()
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