stonewareslord/zsh-syntax-highlighting
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

redo _zsh_highlight__function_callable_p

Browse Source
This commit is contained in:
Daniel Shahaf 2016-09-16 04:34:59 +00:00 committed by Matthew Martin
parent 38477f2a3d
commit d4ab7e51d2
1 changed files with 34 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
zsh-syntax-highlighting.zsh
View File

@ -49,6 +49,25 @@ if true; then
fi
fi
# This function takes a single argument F and returns True iff F is an autoload stub.
_zsh_highlight__function_is_autoload_stub_p() {
if (( ${+functions} )); then
## zsh/parameter is available
#(( ${+functions[$1]} )) &&
[[ "$functions[$1]" == *"builtin autoload -X" ]]
else
## zsh/parameter isn't available
#[[ $(type -wa -- "$1") == *'function'* ]] &&
[[ "${${(@f)"$(which -- "$1")"}[2]}" == $'\t'$histchars[3]' undefined' ]]
fi
# Do nothing here: return the exit code of the if.
}
# Return True iff the argument denotes a function name.
_zsh_highlight__is_function_p() {
(( ${+functions[$1]} )) || [[ $(type -wa -- "$1") == *'function'* ]]
}
# This function takes a single argument F and returns True iff F denotes the
# name of a callable function. A function is callable if it is fully defined
# or if it is marked for autoloading and autoloading it at the first call to it
@ -57,23 +76,21 @@ fi
#
# See users/21671 http://www.zsh.org/cgi-bin/mla/redirect?USERNUMBER=21671
_zsh_highlight__function_callable_p() {
{ # Trenary condition: if the zle/parameter module is available, ...
if (( ${+functions} )); then
# ... then use it to make the decision, ...
if (( ${+functions[$1]} )); then
[[ "$functions[$1]" != *"builtin autoload -X" ]] \
||
( unfunction -- "$1" && autoload -U +X -- "$1" 2>/dev/null )
if _zsh_highlight__is_function_p "$1" &&
! _zsh_highlight__function_is_autoload_stub_p "$1"
then
# Already fully loaded.
return 0 # true
else
# "$1" is either an autoload stub, or not a function at all.
#
# Use a subshell to avoid affecting the calling shell.
#
# We expect 'autoload +X' to return non-zero if it fails to fully load
# the function.
( autoload -U +X -- "$1" 2>/dev/null )
return $?
fi
else
# ... otherwise, use a fallback approach.
autoload -U +X -- "$1" 2>/dev/null
[[ "${${(@f)"$(which -- "$1")"}[2]}" != $'\t'$histchars[3]' undefined' ]]
fi
}
# Do nothing here! We return the exit code of the if.
}
integer zsh_highlight_use_redrawhook