Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0

1 files changed, 65 insertions, 0 deletions

diff --git a/clang-r353983/share/clang/bash-autocomplete.sh b/clang-r353983/share/clang/bash-autocomplete.sh
new file mode 100755
index 00000000..bcda789b
--- /dev/null
+++ b/clang-r353983/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