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internal/parser.zsh
382 строки
9 KB
vladislav doster
fix(parser.zsh): `_p9k_parse_buffer` docstring typo (#2820)
29 янв 2025, 16:28
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29 янв 2025, 16:28
8fa10f4
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typeset -grA __p9k_pb_cmd_skip=( '}' 'always' # handled specially '{' '' '{' '' '|' '' '||' '' '&' '' '&&' '' '|&' '' '&!' '' '&|' '' ')' '' '(' '' '()' '' '!' '' ';' '' 'if' '' 'fi' '' 'elif' '' 'else' '' 'then' '' 'while' '' 'until' '' 'do' '' 'done' '' 'esac' '' 'end' '' 'coproc' '' 'nocorrect' '' 'noglob' '' 'time' '' '[[' '\]\]' '((' '\)\)' 'case' '\)|esac' ';;' '\)|esac' ';&' '\)|esac' ';|' '\)|esac' 'foreach' '\(*\)' ) typeset -grA __p9k_pb_precommand=( '-' '' 'builtin' '' 'command' '' 'exec' '-[^a]#[a]' 'nohup' '' 'setsid' '' 'eatmydata' '' 'catchsegv' '' 'pkexec' '--user' 'doas' '-[^aCu]#[acU]' 'nice' '-[^n]#[n]|--adjustment' 'stdbuf' '-[^ioe]#[ioe]|--(input|output|error)' 'sudo' '-[^aghpuUCcrtT]#[aghpuUCcrtT]|--(close-from|group|host|prompt|role|type|other-user|command-timeout|user)' 'ssh-agent' '-[^aEPt]#[aEPt]' 'tabbed' '-[^gnprtTuU]#[gnprtTuU]' 'chronic' '' 'ifne' '' ) typeset -grA __p9k_pb_redirect=( '&>' '' '>' '' '>&' '' '<' '' '<&' '' '<>' '' '&>|' '' '>|' '' '&>>' '' '>>' '' '>>&' '' '&>>|' '' '>>|' '' '<<<' '' ) typeset -grA __p9k_pb_term=( '|' '' '||' '' ';' '' '&' '' '&&' '' '|&' '' '&!' '' '&|' '' ';;' '' ';&' '' ';|' '' '(' '' ')' '' '()' '' # handled specially '}' '' # handled specially ) typeset -grA __p9k_pb_term_skip=( '(' '\)' ';;' '\)|esac' ';&' '\)|esac' ';|' '\)|esac' ) # Usage: _p9k_parse_buffer <buffer> [token-limit] # # Parses the specified command line buffer and populates array P9K_COMMANDS # with commands from it. Terminates early and returns 1 if there are more # tokens than the specified limit. # # Broken: # # --------------- # : $(x) # --------------- # : `x` # --------------- # ${x/} # --------------- # - -- x # --------------- # command -p -p x # --------------- # * # --------------- # x=$y; $x # --------------- # alias x=y; y # --------------- # x <<END # ; END # END # --------------- # Setup: # setopt interactive_comments # alias x='#' # Punchline: # x; y # --------------- # # More brokenness with non-standard options (ignore_braces, ignore_close_braces, etc.). function _p9k_parse_buffer() { [[ ${2:-0} == <-> ]] || return 2 local rcquotes [[ -o rcquotes ]] && rcquotes=rcquotes eval "$__p9k_intro" setopt no_nomatch $rcquotes typeset -ga P9K_COMMANDS=() local -r id='(<->|[[:alpha:]_][[:IDENT:]]#)' local -r var="\$$id|\${$id}|\"\$$id\"|\"\${$id}\"" local -i e ic c=${2:-'1 << 62'} local skip n s r state token cmd prev local -a aln alp alf v if [[ -o interactive_comments ]]; then ic=1 local tokens=(${(Z+C+)1}) else local tokens=(${(z)1}) fi { while (( $#tokens )); do (( e = $#state )) while (( $#tokens == alp[-1] )); do aln[-1]=() alp[-1]=() if (( $#tokens == alf[-1] )); then alf[-1]=() (( e = 0 )) fi done while (( c-- > 0 )) || return; do token=$tokens[1] tokens[1]=() if (( $+galiases[$token] )); then (( $aln[(eI)p$token] )) && break s=$galiases[$token] n=p$token elif (( e )); then break elif (( $+aliases[$token] )); then (( $aln[(eI)p$token] )) && break s=$aliases[$token] n=p$token elif [[ $token == ?*.?* ]] && (( $+saliases[${token##*.}] )); then r=${token##*.} (( $aln[(eI)s$r] )) && break s=${saliases[$r]%% #} n=s$r else break fi aln+=$n alp+=$#tokens [[ $s == *' ' ]] && alf+=$#tokens (( ic )) && tokens[1,0]=(${(Z+C+)s}) || tokens[1,0]=(${(z)s}) done case $token in '<<'(|-)) state=h continue ;; *('`'|['<>=$']'(')*) if [[ $token == ('`'[^'`']##'`'|'"`'[^'`']##'`"'|'$('[^')']##')'|'"$('[^')']##')"'|['<>=']'('[^')']##')') ]]; then s=${${token##('"'|)(['$<>']|)?}%%?('"'|)} (( ic )) && tokens+=(';' ${(Z+C+)s}) || tokens+=(';' ${(z)s}) fi ;; esac case $state in *r) state[-1]= continue ;; a) if [[ $token == $skip ]]; then if [[ $token == '{' ]]; then P9K_COMMANDS+=$cmd cmd= state= else skip='{' fi continue else state=t fi ;& # fall through t|p*) if (( $+__p9k_pb_term[$token] )); then if [[ $token == '()' ]]; then state= else P9K_COMMANDS+=$cmd if [[ $token == '}' ]]; then state=a skip=always else skip=$__p9k_pb_term_skip[$token] state=${skip:+s} fi fi cmd= continue elif [[ $state == t ]]; then continue elif [[ $state == *x ]]; then if (( $+__p9k_pb_redirect[$token] )); then prev= state[-1]=r continue else state[-1]= fi fi ;; s) if [[ $token == $~skip ]]; then state= fi continue ;; h) while (( $#tokens )); do (( e = ${tokens[(i)${(Q)token}]} )) if [[ $tokens[e-1] == ';' && $tokens[e+1] == ';' ]]; then tokens[1,e]=() break else tokens[1,e]=() fi done while (( $#alp && alp[-1] >= $#tokens )); do aln[-1]=() alp[-1]=() done state=t continue ;; esac if (( $+__p9k_pb_redirect[${token#<0-255>}] )); then state+=r continue fi if [[ $token == *'$'* ]]; then if [[ $token == $~var ]]; then n=${${token##[^[:IDENT:]]}%%[^[:IDENT:]]} [[ $token == *'"' ]] && v=("${(P)n}") || v=(${(P)n}) tokens[1,0]=(${(@qq)v}) continue fi fi case $state in '') if (( $+__p9k_pb_cmd_skip[$token] )); then skip=$__p9k_pb_cmd_skip[$token] [[ $token == '}' ]] && state=a || state=${skip:+s} continue fi if [[ $token == *=* ]]; then v=${(S)token/#(<->|([[:alpha:]_][[:IDENT:]]#(|'['*[^\\](\\\\)#']')))(|'+')=} if (( $#v < $#token )); then if [[ $v == '(' ]]; then state=s skip='\)' fi continue fi fi : ${token::=${(Q)${~token}}} ;; p2) if [[ -n $prev ]]; then prev= else : ${token::=${(Q)${~token}}} if [[ $token == '{'$~id'}' ]]; then state=p2x prev=$token else state=p fi continue fi ;& # fall through p) if [[ -n $prev ]]; then token=$prev prev= else : ${token::=${(Q)${~token}}} case $token in '{'$~id'}') prev=$token; state=px; continue;; [^-]*) ;; --) state=p1; continue;; $~skip) state=p2; continue;; *) continue;; esac fi ;; p1) if [[ -n $prev ]]; then token=$prev prev= else : ${token::=${(Q)${~token}}} if [[ $token == '{'$~id'}' ]]; then state=p1x prev=$token continue fi fi ;; esac if (( $+__p9k_pb_precommand[$token] )); then prev= state=p skip=$__p9k_pb_precommand[$token] cmd+=$token$'\0' else state=t [[ $token == ('(('*'))'|'`'*'`'|'$'*|['<>=']'('*')'|*$'\0'*) ]] || cmd+=$token$'\0' fi done } always { [[ $state == (px|p1x) ]] && cmd+=$prev P9K_COMMANDS+=$cmd P9K_COMMANDS=(${(u)P9K_COMMANDS%$'\0'}) } }