linux/zsh-autosuggestions
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add a bunch of comments

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Eric Freese 2017-01-24 19:53:26 -07:00
parent ab8f295225
commit e72c2d87e5
2 changed files with 28 additions and 2 deletions
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15
src/async.zsh
View file

@ -11,6 +11,7 @@ _zsh_autosuggest_async_fetch_suggestion() {
zpty -w -n $ZSH_AUTOSUGGEST_PTY_NAME "$strategy_function '$prefix'"$'\0' zpty -w -n $ZSH_AUTOSUGGEST_PTY_NAME "$strategy_function '$prefix'"$'\0'
} }
# Pty is spawned running this function
_zsh_autosuggest_async_suggestion_worker() { _zsh_autosuggest_async_suggestion_worker() {
local last_pid local last_pid
@ -26,6 +27,9 @@ _zsh_autosuggest_async_suggestion_worker() {
done done
} }
# Called when new data is ready to be read from the pty
# First arg will be fd ready for reading
# Second arg will be passed in case of error
_zsh_autosuggest_async_suggestion_ready() { _zsh_autosuggest_async_suggestion_ready() {
# while zpty -rt $ZSH_AUTOSUGGEST_PTY_NAME suggestion 2>/dev/null; do # while zpty -rt $ZSH_AUTOSUGGEST_PTY_NAME suggestion 2>/dev/null; do
while read -u $_ZSH_AUTOSUGGEST_PTY_FD -d $'\0' suggestion; do while read -u $_ZSH_AUTOSUGGEST_PTY_FD -d $'\0' suggestion; do
@ -39,14 +43,23 @@ _zsh_autosuggest_async_recreate_pty() {
# Kill the old pty # Kill the old pty
if [ -n "$_ZSH_AUTOSUGGEST_PTY_FD" ]; then if [ -n "$_ZSH_AUTOSUGGEST_PTY_FD" ]; then
# Remove the input handler
zle -F $_ZSH_AUTOSUGGEST_PTY_FD zle -F $_ZSH_AUTOSUGGEST_PTY_FD
# Destroy the pty
zpty -d $ZSH_AUTOSUGGEST_PTY_NAME &>/dev/null zpty -d $ZSH_AUTOSUGGEST_PTY_NAME &>/dev/null
fi fi
# Start a new pty # REPLY stores the fd to read from
typeset -h REPLY typeset -h REPLY
# Start a new pty running the server function
zpty -b $ZSH_AUTOSUGGEST_PTY_NAME _zsh_autosuggest_async_suggestion_worker zpty -b $ZSH_AUTOSUGGEST_PTY_NAME _zsh_autosuggest_async_suggestion_worker
# Store the fd so we can destroy this pty later
_ZSH_AUTOSUGGEST_PTY_FD=$REPLY _ZSH_AUTOSUGGEST_PTY_FD=$REPLY
# Set up input handler from the pty
zle -F $_ZSH_AUTOSUGGEST_PTY_FD _zsh_autosuggest_async_suggestion_ready zle -F $_ZSH_AUTOSUGGEST_PTY_FD _zsh_autosuggest_async_suggestion_ready
} }

15
zsh-autosuggestions.zsh
View file

@ -486,6 +486,7 @@ _zsh_autosuggest_async_fetch_suggestion() {
zpty -w -n $ZSH_AUTOSUGGEST_PTY_NAME "$strategy_function '$prefix'"$'\0' zpty -w -n $ZSH_AUTOSUGGEST_PTY_NAME "$strategy_function '$prefix'"$'\0'
} }
# Pty is spawned running this function
_zsh_autosuggest_async_suggestion_worker() { _zsh_autosuggest_async_suggestion_worker() {
local last_pid local last_pid
@ -501,6 +502,9 @@ _zsh_autosuggest_async_suggestion_worker() {
done done
} }
# Called when new data is ready to be read from the pty
# First arg will be fd ready for reading
# Second arg will be passed in case of error
_zsh_autosuggest_async_suggestion_ready() { _zsh_autosuggest_async_suggestion_ready() {
# while zpty -rt $ZSH_AUTOSUGGEST_PTY_NAME suggestion 2>/dev/null; do # while zpty -rt $ZSH_AUTOSUGGEST_PTY_NAME suggestion 2>/dev/null; do
while read -u $_ZSH_AUTOSUGGEST_PTY_FD -d $'\0' suggestion; do while read -u $_ZSH_AUTOSUGGEST_PTY_FD -d $'\0' suggestion; do
@ -514,14 +518,23 @@ _zsh_autosuggest_async_recreate_pty() {
# Kill the old pty # Kill the old pty
if [ -n "$_ZSH_AUTOSUGGEST_PTY_FD" ]; then if [ -n "$_ZSH_AUTOSUGGEST_PTY_FD" ]; then
# Remove the input handler
zle -F $_ZSH_AUTOSUGGEST_PTY_FD zle -F $_ZSH_AUTOSUGGEST_PTY_FD
# Destroy the pty
zpty -d $ZSH_AUTOSUGGEST_PTY_NAME &>/dev/null zpty -d $ZSH_AUTOSUGGEST_PTY_NAME &>/dev/null
fi fi
# Start a new pty # REPLY stores the fd to read from
typeset -h REPLY typeset -h REPLY
# Start a new pty running the server function
zpty -b $ZSH_AUTOSUGGEST_PTY_NAME _zsh_autosuggest_async_suggestion_worker zpty -b $ZSH_AUTOSUGGEST_PTY_NAME _zsh_autosuggest_async_suggestion_worker
# Store the fd so we can destroy this pty later
_ZSH_AUTOSUGGEST_PTY_FD=$REPLY _ZSH_AUTOSUGGEST_PTY_FD=$REPLY
# Set up input handler from the pty
zle -F $_ZSH_AUTOSUGGEST_PTY_FD _zsh_autosuggest_async_suggestion_ready zle -F $_ZSH_AUTOSUGGEST_PTY_FD _zsh_autosuggest_async_suggestion_ready
} }