1c8068dbbSYuka Takahashi# Please add "source /path/to/bash-autocomplete.sh" to your .bashrc to use this. 24776cb07SYuka Takahashi 34776cb07SYuka Takahashi_clang_filedir() 44776cb07SYuka Takahashi{ 54776cb07SYuka Takahashi # _filedir function provided by recent versions of bash-completion package is 64776cb07SYuka Takahashi # better than "compgen -f" because the former honors spaces in pathnames while 74776cb07SYuka Takahashi # the latter doesn't. So we use compgen only when _filedir is not provided. 84776cb07SYuka Takahashi _filedir 2> /dev/null || COMPREPLY=( $( compgen -f ) ) 94776cb07SYuka Takahashi} 104776cb07SYuka Takahashi 11c8068dbbSYuka Takahashi_clang() 12c8068dbbSYuka Takahashi{ 134776cb07SYuka Takahashi local cur prev words cword arg flags w1 w2 144776cb07SYuka Takahashi # If latest bash-completion is not supported just initialize COMPREPLY and 152a8c18d9SAlexander Kornienko # initialize variables by setting manually. 164776cb07SYuka Takahashi _init_completion -n 2> /dev/null 174776cb07SYuka Takahashi if [[ "$?" != 0 ]]; then 184776cb07SYuka Takahashi COMPREPLY=() 194776cb07SYuka Takahashi cword=$COMP_CWORD 204776cb07SYuka Takahashi cur="${COMP_WORDS[$cword]}" 214776cb07SYuka Takahashi fi 22c8068dbbSYuka Takahashi 234776cb07SYuka Takahashi w1="${COMP_WORDS[$cword - 1]}" 244776cb07SYuka Takahashi if [[ $cword > 1 ]]; then 254776cb07SYuka Takahashi w2="${COMP_WORDS[$cword - 2]}" 268561c2e2SYuka Takahashi fi 278561c2e2SYuka Takahashi 2841789e46SYuka Takahashi # Pass all the current command-line flags to clang, so that clang can handle 2941789e46SYuka Takahashi # these internally. 3041789e46SYuka Takahashi # '=' is separated differently by bash, so we have to concat them without ',' 3141789e46SYuka Takahashi for i in `seq 1 $cword`; do 3241789e46SYuka Takahashi if [[ $i == $cword || "${COMP_WORDS[$(($i+1))]}" == '=' ]]; then 3341789e46SYuka Takahashi arg="$arg${COMP_WORDS[$i]}" 3441789e46SYuka Takahashi else 3541789e46SYuka Takahashi arg="$arg${COMP_WORDS[$i]}," 364776cb07SYuka Takahashi fi 3741789e46SYuka Takahashi done 38ba5d4af4SYuka Takahashi 39558f3dd5SYuka Takahashi # expand ~ to $HOME 40558f3dd5SYuka Takahashi eval local path=${COMP_WORDS[0]} 41*0486c8c3SBen Langmuir # Use $'\t' so that bash expands the \t for older versions of sed. 42*0486c8c3SBen Langmuir flags=$( "$path" --autocomplete="$arg" 2>/dev/null | sed -e $'s/\t.*//' ) 4379d21c2aSYuka Takahashi # If clang is old that it does not support --autocomplete, 4479d21c2aSYuka Takahashi # fall back to the filename completion. 4579d21c2aSYuka Takahashi if [[ "$?" != 0 ]]; then 464776cb07SYuka Takahashi _clang_filedir 4779d21c2aSYuka Takahashi return 4879d21c2aSYuka Takahashi fi 4979d21c2aSYuka Takahashi 508c000110SYuka Takahashi # When clang does not emit any possible autocompletion, or user pushed tab after " ", 518c000110SYuka Takahashi # just autocomplete files. 5241789e46SYuka Takahashi if [[ "$flags" == "$(echo -e '\n')" ]]; then 538c000110SYuka Takahashi # If -foo=<tab> and there was no possible values, autocomplete files. 548c000110SYuka Takahashi [[ "$cur" == '=' || "$cur" == -*= ]] && cur="" 554776cb07SYuka Takahashi _clang_filedir 568c000110SYuka Takahashi elif [[ "$cur" == '=' ]]; then 578c000110SYuka Takahashi COMPREPLY=( $( compgen -W "$flags" -- "") ) 58c8068dbbSYuka Takahashi else 59a4a87802SYuka Takahashi # Bash automatically appends a space after '=' by default. 60a4a87802SYuka Takahashi # Disable it so that it works nicely for options in the form of -foo=bar. 614776cb07SYuka Takahashi [[ "${flags: -1}" == '=' ]] && compopt -o nospace 2> /dev/null 62c8068dbbSYuka Takahashi COMPREPLY=( $( compgen -W "$flags" -- "$cur" ) ) 63c8068dbbSYuka Takahashi fi 64c8068dbbSYuka Takahashi} 65c8068dbbSYuka Takahashicomplete -F _clang clang 66