60 lines
1.5 KiB
Plaintext
60 lines
1.5 KiB
Plaintext
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# gcc(1) completion
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#
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# The only unusual feature is that we don't parse "gcc --help -v" output
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# directly, because that would include the options of all the other backend
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# tools (linker, assembler, preprocessor, etc) without any indication that
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# you cannot feed such options to the gcc driver directly. (For example, the
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# linker takes a -z option, but you must type -Wl,-z for gcc.) Instead, we
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# ask the driver ("g++") for the name of the compiler ("cc1"), and parse the
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# --help output of the compiler.
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have gcc &&
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_gcc()
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{
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local cur cc backend
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COMPREPLY=()
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_get_comp_words_by_ref cur
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_expand || return 0
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case $1 in
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gcj)
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backend=jc1
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;;
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gpc)
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backend=gpc1
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;;
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*77)
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backend=f771
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;;
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*)
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backend=cc1 # (near-)universal backend
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;;
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esac
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if [[ "$cur" == -* ]]; then
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cc=$( $1 -print-prog-name=$backend )
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# sink stderr:
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# for C/C++/ObjectiveC it's useless
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# for FORTRAN/Java it's an error
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COMPREPLY=( $( compgen -W "$( $cc --help 2>/dev/null | \
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tr '\t' ' ' | \
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sed -e '/^ *-/!d' -e 's/ *-\([^ ]*\).*/-\1/' | \
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sort -u )" -- "$cur" ) )
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else
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_filedir
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fi
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} &&
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complete -F _gcc gcc g++ c++ g77 gcj gpc
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[ $USERLAND = GNU -o $UNAME = Cygwin ] && \
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[ -n "${have:-}" ] && complete -F _gcc cc
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# Local variables:
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# mode: shell-script
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# sh-basic-offset: 4
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# sh-indent-comment: t
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# indent-tabs-mode: nil
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# End:
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# ex: ts=4 sw=4 et filetype=sh
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