linux/zsh-autosuggestions
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Fix segfaults once and for all?

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This commit is contained in:
Eric Freese 2016-02-15 08:31:00 -07:00
parent 76f415bf43
commit 2461a98857
4 changed files with 41 additions and 38 deletions
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23
README.md
View file

@ -40,8 +40,6 @@ It suggests commands as you type, based on command history.
3. Start a new terminal session.
**Note:** There is an open issue ([#102](https://github.com/tarruda/zsh-autosuggestions/issues/102)) when using this plugin with `bracketed-paste-magic`, which is enabled by default by Oh My Zsh. See the comments in that issue for a workaround.
## Usage
@ -95,32 +93,13 @@ bindkey '^ ' autosuggest-accept
### [`zsh-history-substring-search`](https://github.com/zsh-users/zsh-history-substring-search)
When the buffer is empty and one of the `history-substring-search-up/down` widgets is invoked, it will call the `up/down-line-or-history` widget. If the `up/down-line-or-history` widgets are in `ZSH_AUTOSUGGEST_CLEAR_WIDGETS` (the list of widgets that clear the suggestion), this can create an infinite recursion, crashing the shell session.
For best results, you'll want to remove `up-line-or-history` and `down-line-or-history` from `ZSH_AUTOSUGGEST_CLEAR_WIDGETS`:
```
# Remove *-line-or-history widgets from list of widgets that clear the autosuggestion to avoid conflict with history-substring-search-* widgets
ZSH_AUTOSUGGEST_CLEAR_WIDGETS=("${(@)ZSH_AUTOSUGGEST_CLEAR_WIDGETS:#(up|down)-line-or-history}")
```
Additionally, the `history-substring-search-up` and `history-substring-search-down` widgets are not bound by default. You'll probably want to add them to `ZSH_AUTOSUGGEST_CLEAR_WIDGETS` so that the suggestion will be cleared when you start searching through history:
The `history-substring-search-up` and `history-substring-search-down` widgets are not bound by default. You'll probably want to add them to `ZSH_AUTOSUGGEST_CLEAR_WIDGETS` so that the suggestion will be cleared when you start searching through history:
```sh
# Add history-substring-search-* widgets to list of widgets that clear the autosuggestion
ZSH_AUTOSUGGEST_CLEAR_WIDGETS+=(history-substring-search-up history-substring-search-down)
```
For example:
```sh
source ~/.zsh/zsh-autosuggestions/zsh-autosuggestions.zsh
source ~/Code/zsh-history-substring-search/zsh-history-substring-search.zsh
ZSH_AUTOSUGGEST_CLEAR_WIDGETS=("${(@)ZSH_AUTOSUGGEST_CLEAR_WIDGETS:#(up|down)-line-or-history}")
ZSH_AUTOSUGGEST_CLEAR_WIDGETS+=(history-substring-search-up history-substring-search-down)
```
## Troubleshooting

16
script/test.zsh
View file

@ -85,7 +85,7 @@ testWidgetFunctionClear() {
BUFFER="ec"
POSTDISPLAY="ho hello"
_zsh_autosuggest_clear
_zsh_autosuggest_clear "original-widget"
assertEquals \
"BUFFER was modified" \
@ -109,7 +109,7 @@ testWidgetFunctionModify() {
_zsh_autosuggest_suggestion \
"echo hello"
_zsh_autosuggest_modify
_zsh_autosuggest_modify "original-widget"
assertTrue \
"original widget not invoked" \
@ -136,7 +136,7 @@ testWidgetFunctionAcceptCursorAtEnd() {
stub _zsh_autosuggest_invoke_original_widget
_zsh_autosuggest_accept
_zsh_autosuggest_accept "original-widget"
assertTrue \
"original widget not invoked" \
@ -160,7 +160,7 @@ testWidgetFunctionAcceptCursorNotAtEnd() {
stub _zsh_autosuggest_invoke_original_widget
_zsh_autosuggest_accept
_zsh_autosuggest_accept "original-widget"
assertTrue \
"original widget not invoked" \
@ -186,7 +186,7 @@ testWidgetFunctionPartialAcceptCursorMovesOutOfBuffer() {
_zsh_autosuggest_invoke_original_widget \
'CURSOR=5; LBUFFER="echo "; RBUFFER="hello"'
_zsh_autosuggest_partial_accept
_zsh_autosuggest_partial_accept "original-widget"
assertTrue \
"original widget not invoked" \
@ -212,7 +212,7 @@ testWidgetFunctionPartialAcceptCursorStaysInBuffer() {
_zsh_autosuggest_invoke_original_widget \
'CURSOR=5; LBUFFER="echo "; RBUFFER="hello"'
_zsh_autosuggest_partial_accept
_zsh_autosuggest_partial_accept "original-widget"
assertTrue \
"original widget not invoked" \
@ -236,7 +236,7 @@ testWidgetAccept() {
# Call the function pointed to by the widget since we can't call
# the widget itself when zle is not active
${widgets[autosuggest-accept]#*:}
${widgets[autosuggest-accept]#*:} "original-widget"
assertTrue \
"autosuggest-accept widget does not exist" \
@ -262,7 +262,7 @@ testWidgetClear() {
# Call the function pointed to by the widget since we can't call
# the widget itself when zle is not active
${widgets[autosuggest-clear]#*:}
${widgets[autosuggest-clear]#*:} "original-widget"
assertTrue \
"autosuggest-clear widget does not exist" \

20
src/bind.zsh
View file

@ -12,7 +12,7 @@ _zsh_autosuggest_bind_widget() {
# Save a reference to the original widget
case $widgets[$widget] in
# Already bound
user:_zsh_autosuggest_(widget|orig)_*);;
user:_zsh_autosuggest_(bound|orig)_*);;
# User-defined widget
user:*)
@ -31,8 +31,18 @@ _zsh_autosuggest_bind_widget() {
;;
esac
# Pass the original widget's name explicitly into the autosuggest
# function. Use this passed in widget name to call the original
# widget instead of relying on the $WIDGET variable being set
# correctly. $WIDGET cannot be trusted because other plugins call
# zle without the `-w` flag (e.g. `zle self-insert` instead of
# `zle self-insert -w`).
eval "_zsh_autosuggest_bound_$widget() {
_zsh_autosuggest_widget_$autosuggest_action $prefix$widget $@
}"
# Create the bound widget
zle -N $widget _zsh_autosuggest_widget_$autosuggest_action
zle -N $widget _zsh_autosuggest_bound_$widget
}
# Map all configured widgets to the right autosuggest widgets
@ -54,9 +64,11 @@ _zsh_autosuggest_bind_widgets() {
done
}
# Given the name of a widget, invoke the original we saved, if it exists
# Given the name of an original widget and args, invoke it, if it exists
_zsh_autosuggest_invoke_original_widget() {
local original_widget_name="$ZSH_AUTOSUGGEST_ORIGINAL_WIDGET_PREFIX$WIDGET"
local original_widget_name=$1
shift
if [ $widgets[$original_widget_name] ]; then
zle $original_widget_name -- $@

20
zsh-autosuggestions.zsh
View file

@ -114,7 +114,7 @@ _zsh_autosuggest_bind_widget() {
# Save a reference to the original widget
case $widgets[$widget] in
# Already bound
user:_zsh_autosuggest_(widget|orig)_*);;
user:_zsh_autosuggest_(bound|orig)_*);;
# User-defined widget
user:*)
@ -133,8 +133,18 @@ _zsh_autosuggest_bind_widget() {
;;
esac
# Pass the original widget's name explicitly into the autosuggest
# function. Use this passed in widget name to call the original
# widget instead of relying on the $WIDGET variable being set
# correctly. $WIDGET cannot be trusted because other plugins call
# zle without the `-w` flag (e.g. `zle self-insert` instead of
# `zle self-insert -w`).
eval "_zsh_autosuggest_bound_$widget() {
_zsh_autosuggest_widget_$autosuggest_action $prefix$widget $@
}"
# Create the bound widget
zle -N $widget _zsh_autosuggest_widget_$autosuggest_action
zle -N $widget _zsh_autosuggest_bound_$widget
}
# Map all configured widgets to the right autosuggest widgets
@ -156,9 +166,11 @@ _zsh_autosuggest_bind_widgets() {
done
}
# Given the name of a widget, invoke the original we saved, if it exists
# Given the name of an original widget and args, invoke it, if it exists
_zsh_autosuggest_invoke_original_widget() {
local original_widget_name="$ZSH_AUTOSUGGEST_ORIGINAL_WIDGET_PREFIX$WIDGET"
local original_widget_name=$1
shift
if [ $widgets[$original_widget_name] ]; then
zle $original_widget_name -- $@