137 lines
3.6 KiB
Bash
Executable File
137 lines
3.6 KiB
Bash
Executable File
#! /bin/bash
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#
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# Basic configuration
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#
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declare -A conf
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# Behavior
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conf[GINT_STARTUP_LOG]=
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conf[GINT_NO_SYSCALLS]=
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conf[GINT_EXTENDED_LIBC]=
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conf[GINT_STATIC_GRAY]=
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# Size limits
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conf[ATEXIT_MAX]=16
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conf[TIMER_SLOTS]=16
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conf[EVENTS_QUEUE_SIZE]=64
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# Output files
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output_gcc="gcc.cfg"
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output_make="Makefile.cfg"
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#
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# Help screen and output util
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#
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error="\e[31;1merror:\e[0m"
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Cg="$(tput setaf 8)$(tput bold)"
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Cr="$(tput setaf 1)$(tput bold)"
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Cy="$(tput setaf 2)$(tput bold)"
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Cp="$(tput setaf 5)$(tput setaf 62)$(tput bold)"
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C0="$(tput setaf 0)$(tput sgr 0)"
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help()
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{
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cat << EOF
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Configuration script for the gint library.
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Options that affect the behavior of the library:
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$Cr--startup-log $Cg[default:$Cp false$Cg]$C0
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Enable a on-screen log at startup if a key is kept pressed while launching
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the add-in, allowing easy debug and crash diagnoses.
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$Cr--no-syscalls $Cg[default:$Cp false$Cg]$C0
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Never use syscalls. Expect trouble with malloc() and the gray engine. Do
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not trigger this switch unless you know what you are doing.
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$Cr--extended-libc $Cg[default:$Cp false$Cg]$C0
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Enable specific C99 headers/features that are normally not required by
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calculator programs. This may allow porting programs from other platforms.
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$Cr--static-gray-engine $Cg[default:$Cp false$Cg]$C0
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Place the gray engine vram in static ram instead of using the heap. Always
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use this option when using both the gray engine and --no-syscalls.
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Options that customize size limits:
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$Cr--atexit-max$C0=$Cy<integer>$Cg [default:$Cp 16$Cg]$C0
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Number of exit handlers that can be registered by atexit().
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$Cr--timer-slots$C0=$Cy<integer>$Cg [default:$Cp 16$Cg]$C0
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Number of virtual timers that may be registered at the same time.
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$Cr--events-queue-size$C0=$Cy<integer>$Cg [default:$Cp 64$Cg]$C0
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Number of events simultaneously stored in the event queue.
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EOF
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exit 0
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}
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#
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# Parsing arguments
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#
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fail=false
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for arg; do case "$arg" in
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-h | --help) help;;
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--startup-log) conf[GINT_STARTUP_LOG]=true;;
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--no-syscalls) conf[GINT_NO_SYSCALLS]=true;;
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--extended-libc) conf[GINT_EXTENDED_LIBC]=true;;
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--static-gray-engine) conf[GINT_STATIC_GRAY]=true;;
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--atexit-max=*)
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size=${arg#*=}
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if [[ $size == +([0-9]) ]]; then
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conf[ATEXIT_MAX]=$size
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else echo -e "$error --atexit-max expects an integer value"
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fail=true; fi;;
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--timer-slots=*)
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size=${arg#*=}
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if [[ $size == +([0-9]) ]]; then
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conf[TIMER_SLOTS]=$size
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else echo -e "$error --timer-slots expects an integer value"
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fail=true; fi;;
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--events-queue-size=*)
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size=${arg#*=}
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if [[ $size == +([0-9]) ]]; then
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conf[EVENTS_QUEUE_SIZE]=$size
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else echo -e "$error --events-queue-size expects an integer"\
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"value"
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fail=true; fi;;
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--atexit-max | --timer-slots | --events-queue-size)
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echo -e "$error syntax for $arg is $arg=<integer-value>";;
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*)
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echo -e "$error unrecognized argument '$arg'"; fail=true;;
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esac; done
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#
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# Output config routines
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#
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output_config_gcc()
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{
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[ "${conf[GINT_STARTUP_LOG]}" != "" ] && echo "-D GINT_STARTUP_LOG"
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[ "${conf[GINT_NO_SYSCALLS]}" != "" ] && echo "-D GINT_NO_SYSCALLS"
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[ "${conf[GINT_EXTENDED_LIBC]}" != "" ] && echo "-D GINT_EXTENDED_LIBC"
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[ "${conf[GINT_STATIC_GRAY]}" != "" ] && echo "-D GINT_STATIC_GRAY"
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echo "-D ATEXIT_MAX=${conf[ATEXIT_MAX]}"
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echo "-D TIMER_SLOTS=${conf[TIMER_SLOTS]}"
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echo "-D EVENTS_QUEUE_SIZE=${conf[EVENTS_QUEUE_SIZE]}"
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}
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output_config_make()
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{
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[ "${conf[GINT_EXTENDED_LIBC]}" != "" ] && echo "config_ext=true"
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}
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#
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# Output config
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#
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if $fail; then
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echo "Configuration has not been modified."
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else
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output_config_gcc > $output_gcc
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output_config_make > $output_make
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echo "Configuration saved in $output_gcc and $output_make."
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fi
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