diff options
Diffstat (limited to 'clang-r353983e/share/clang/bash-autocomplete.sh')
| -rwxr-xr-x | clang-r353983e/share/clang/bash-autocomplete.sh | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/clang-r353983e/share/clang/bash-autocomplete.sh b/clang-r353983e/share/clang/bash-autocomplete.sh new file mode 100755 index 00000000..bcda789b --- /dev/null +++ b/clang-r353983e/share/clang/bash-autocomplete.sh @@ -0,0 +1,65 @@ +# Please add "source /path/to/bash-autocomplete.sh" to your .bashrc to use this. + +_clang_filedir() +{ + # _filedir function provided by recent versions of bash-completion package is + # better than "compgen -f" because the former honors spaces in pathnames while + # the latter doesn't. So we use compgen only when _filedir is not provided. + _filedir 2> /dev/null || COMPREPLY=( $( compgen -f ) ) +} + +_clang() +{ + local cur prev words cword arg flags w1 w2 + # If latest bash-completion is not supported just initialize COMPREPLY and + # initialize variables by setting manually. + _init_completion -n 2> /dev/null + if [[ "$?" != 0 ]]; then + COMPREPLY=() + cword=$COMP_CWORD + cur="${COMP_WORDS[$cword]}" + fi + + w1="${COMP_WORDS[$cword - 1]}" + if [[ $cword > 1 ]]; then + w2="${COMP_WORDS[$cword - 2]}" + fi + + # Pass all the current command-line flags to clang, so that clang can handle + # these internally. + # '=' is separated differently by bash, so we have to concat them without ',' + for i in `seq 1 $cword`; do + if [[ $i == $cword || "${COMP_WORDS[$(($i+1))]}" == '=' ]]; then + arg="$arg${COMP_WORDS[$i]}" + else + arg="$arg${COMP_WORDS[$i]}," + fi + done + + # expand ~ to $HOME + eval local path=${COMP_WORDS[0]} + # Use $'\t' so that bash expands the \t for older versions of sed. + flags=$( "$path" --autocomplete="$arg" 2>/dev/null | sed -e $'s/\t.*//' ) + # If clang is old that it does not support --autocomplete, + # fall back to the filename completion. + if [[ "$?" != 0 ]]; then + _clang_filedir + return + fi + + # When clang does not emit any possible autocompletion, or user pushed tab after " ", + # just autocomplete files. + if [[ "$flags" == "$(echo -e '\n')" ]]; then + # If -foo=<tab> and there was no possible values, autocomplete files. + [[ "$cur" == '=' || "$cur" == -*= ]] && cur="" + _clang_filedir + elif [[ "$cur" == '=' ]]; then + COMPREPLY=( $( compgen -W "$flags" -- "") ) + else + # Bash automatically appends a space after '=' by default. + # Disable it so that it works nicely for options in the form of -foo=bar. + [[ "${flags: -1}" == '=' ]] && compopt -o nospace 2> /dev/null + COMPREPLY=( $( compgen -W "$flags" -- "$cur" ) ) + fi +} +complete -F _clang clang |
