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fix 'always'

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romkatv 2020-01-12 11:26:48 +01:00
parent b59f74a7bd
commit 60d00e9e75
1 changed files with 55 additions and 34 deletions
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83
internal/parse.zsh
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@ -1,5 +1,6 @@
typeset -gA __pb_cmd_skip=(
'}' ''
'{' ''
'|' ''
'||' ''
'&' ''
@ -9,7 +10,6 @@ typeset -gA __pb_cmd_skip=(
'&|' ''
')' ''
'(' ''
'{' ''
'()' ''
'!' ''
';' ''
@ -84,34 +84,24 @@ typeset -gA __pb_term=(
';|' ''
'(' ''
')' ''
'{' ''
'}' ''
'()' ''
'}' ''
)
typeset -gA __pb_term_skip=(
'()' ''
'(' '\)'
';;' '\)|esac'
';&' '\)|esac'
';|' '\)|esac'
)
# False positives:
#
# {} always {}
#
# False negatives:
# Broken:
#
# ---------------
# : $(x)
# ---------------
# : `x`
# ---------------
#
# Broken:
#
# ---------------
# ${x/}
# ---------------
# - -- x
@ -122,6 +112,8 @@ typeset -gA __pb_term_skip=(
# ---------------
# x=$y; $x
# ---------------
# alias x=y; y
# ---------------
# x <<END
# ; END
# END
@ -135,6 +127,8 @@ typeset -gA __pb_term_skip=(
#
# More brokenness with non-standard options (ignore_braces, ignore_close_braces, etc.).
function _parse_buffer() {
[[ ${2:-0} == <-> ]] || return
local rcquotes
[[ -o rcquotes ]] && rcquotes=(-o rcquotes)
@ -145,7 +139,7 @@ function _parse_buffer() {
local -r id='(<->|[[:alpha:]_][[:IDENT:]]#)'
local -r var="\$$id|\${$id}|\"\$$id\"|\"\${$id}\""
local -i e ic c=1024
local -i e ic c=${2:-'1 << 62'}
local skip n s r state
local -a aln alp alf v commands
@ -156,19 +150,17 @@ function _parse_buffer() {
local tokens=(${(z)1})
fi
() {
{
while (( $#tokens )); do
if (( $#tokens == alp[-1] )); then
(( e = $#state ))
if (( $#alp && $#tokens == alp[-1] )); then
aln[-1]=()
alp[-1]=()
if (( $#tokens == alf[-1] )); then
alf[-1]=()
(( e = 0 ))
else
(( e = $#state ))
fi
else
(( e = $#state ))
fi
while (( c-- > 0 )) || return; do
@ -204,24 +196,50 @@ function _parse_buffer() {
fi
case $state in
a)
if [[ $token == $skip ]]; then
if [[ $token == '{' ]]; then
_buffer_commands+=($commands)
commands=()
state=
else
skip='{'
fi
continue
else
state=t
fi
;& # fall through
t|p*)
if (( $+__pb_term[$token] )); then
if [[ $token == '()' ]]; then
state=
else
_buffer_commands+=($commands)
if [[ $token == '}' ]]; then
state=a
skip=always
else
skip=$__pb_term_skip[$token]
state=${skip:+s}
[[ $token == '()' ]] || _buffer_commands+=($commands)
fi
fi
commands=()
continue
elif [[ $state == t ]]; then
continue
fi;;
fi
;;
s)
if [[ $token == $~skip ]]; then
state=
fi
continue;;
continue
;;
*r)
state[1]=
continue;;
continue
;;
h)
while (( $#tokens )); do
(( e = ${tokens[(i)$token]} ))
@ -237,7 +255,8 @@ function _parse_buffer() {
alp[-1]=()
done
state=t
continue;;
continue
;;
esac
if (( $+__pb_redirect[${token#<0-255>}] )); then
@ -271,7 +290,8 @@ function _parse_buffer() {
continue
fi
fi
: ${token::=${(Q)${~token}}};;
: ${token::=${(Q)${~token}}}
;;
p)
: ${token::=${(Q)${~token}}}
case $token in
@ -279,11 +299,12 @@ function _parse_buffer() {
--) state=p1; continue;;
$~skip) state=p2; continue;;
*) continue;;
esac;;
p1) ;;
esac
;;
p2)
state=p
continue;;
continue
;;
esac
commands+=$token
@ -294,8 +315,8 @@ function _parse_buffer() {
state=t
fi
done
}
} always {
_buffer_commands+=($commands)
_buffer_commands=(${(u)_buffer_commands:#('(('*'))'|'`'*'`'|'$'*)})
}
}