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https://github.com/zsh-users/zsh-syntax-highlighting.git
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main: Run the entirety of aliases through the state machine
Fixes #540 #544 #552 #554 #555
This commit is contained in:
Matthew Martin
parent
2d4fe988ba
commit
cb8c736a56
15 changed files with 108 additions and 52 deletions
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@ -72,6 +72,9 @@ _zsh_highlight_main_add_region_highlight() {
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integer start=$1 end=$2
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shift 2
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(( highlighted_alias )) && return
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(( in_alias )) && highlighted_alias=1
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# The calculation was relative to $buf but region_highlight is relative to $BUFFER.
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(( start += buf_offset ))
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(( end += buf_offset ))
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@ -363,10 +366,18 @@ _zsh_highlight_highlighter_main_paint()
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_zsh_highlight_main_highlighter_highlight_list()
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{
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integer start_pos end_pos=0 buf_offset=$1 has_end=$3
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local buf=$4 highlight_glob=true arg arg_raw style
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# last_alias is the last alias arg (lhs) expanded (if in an alias).
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# This allows for expanding alias ls='ls -l' while avoiding loops.
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local arg buf=$4 highlight_glob=true last_alias style
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local in_array_assignment=false # true between 'a=(' and the matching ')'
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integer len=$#buf
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# highlighted_alias is 1 when the alias arg has been highlighted with a non-alias style.
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# E.g. alias x=ls; x has been highlighted as alias AND command.
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# in_alias is equal to the number of shifts needed until arg=args[1] pops an
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# arg from BUFFER and not added by an alias.
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integer highlighted_alias=0 in_alias=0 len=$#buf
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local -a match mbegin mend list_highlights
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# seen_alias is a map of aliases already seen to avoid loops like alias a=b b=a
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local -A seen_alias
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list_highlights=()
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# "R" for round
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@ -427,10 +438,12 @@ _zsh_highlight_main_highlighter_highlight_list()
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args=(${(z)buf})
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fi
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while (( $#args )); do
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# Save an unmunged copy of the current word.
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arg=$args[1]
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arg_raw="$arg"
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shift args
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if (( in_alias )); then
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(( in_alias-- ))
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(( in_alias == 0 )) && highlighted_alias=0 last_alias= seen_alias=()
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fi
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# Initialize this_word and next_word.
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if (( in_redirection == 0 )); then
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@ -455,7 +468,7 @@ _zsh_highlight_main_highlighter_highlight_list()
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fi
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fi
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if true; then
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if (( in_alias == 0 )); then
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# Compute the new $start_pos and $end_pos, skipping over whitespace in $buf.
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start_pos=$end_pos
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if [[ $arg == ';' ]] ; then
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@ -531,34 +544,20 @@ _zsh_highlight_main_highlighter_highlight_list()
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# Expand aliases.
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_zsh_highlight_main__type "$arg"
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local res="$REPLY"
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if [[ $res == "alias" ]]; then
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() {
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local -A seen_alias
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while [[ $REPLY == alias ]]; do
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if [[ $res == "alias" ]] && [[ $last_alias != $arg ]]; then
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# Avoid looping forever on alias a=b b=c c=b, but allow alias foo='foo bar'
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if (( $+seen_alias[$arg] )); then
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_zsh_highlight_main_add_region_highlight $start_pos $end_pos unknown-token
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continue
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fi
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seen_alias[$arg]=1
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last_alias=$arg
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_zsh_highlight_main__resolve_alias $arg
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# Use a temporary array to ensure the subscript is interpreted as
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# an array subscript, not as a scalar subscript
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local -a alias_args
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# TODO: the ${interactive_comments+set} path needs to skip comments; see test-data/alias-comment1.zsh
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# Elision is desired in case alias x=''
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alias_args=( ${interactive_comments-${(z)REPLY}}
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${interactive_comments+${(zZ+c+)REPLY}} )
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# Avoid looping forever on alias a=b b=c c=b, but allow alias foo='foo bar'
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[[ $arg == $alias_args[1] ]] && break
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arg=$alias_args[1]
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if (( $+seen_alias[$arg] )); then
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res=none
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break
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fi
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_zsh_highlight_main__type "$arg"
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done
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}
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_zsh_highlight_main_highlighter_expand_path $arg
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arg=$REPLY
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() {
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# Make sure to use $arg_raw here, rather than $arg.
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integer insane_alias
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case $arg_raw in
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case $arg in
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# Issue #263: aliases with '=' on their LHS.
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#
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# There are three cases:
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@ -566,27 +565,29 @@ _zsh_highlight_main_highlighter_highlight_list()
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# - Unsupported, breaks 'alias -L' output, but invokable:
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('='*) :;;
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# - Unsupported, not invokable:
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(*'='*) insane_alias=1;;
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(*'='*)
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_zsh_highlight_main_add_region_highlight $start_pos $end_pos unknown-token
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continue
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;;
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# - The common case:
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(*) :;;
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esac
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if (( insane_alias )); then
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style=unknown-token
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# Calling 'type' again; since __type memoizes the answer, this call is just a hash lookup.
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elif ! _zsh_highlight_main__type "$arg" || [[ $REPLY == 'none' ]]; then
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style=unknown-token
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args=( $alias_args $args )
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if (( in_alias == 0 )); then
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_zsh_highlight_main_add_region_highlight $start_pos $end_pos alias
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# Add one because we will in_alias-- on the next loop iteration so
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# this iteration should be considered in in_alias as well
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(( in_alias += $#alias_args + 1 ))
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else
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# The common case.
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style=alias
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if (( ${+precommand_options[(re)"$arg"]} )) && (( ! ${+precommand_options[(re)"$arg_raw"]} )); then
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precommand_options[$arg_raw]=$precommand_options[$arg]
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fi
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# This arg is already included in the count, so no need to + 1.
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(( in_alias += $#alias_args ))
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fi
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}
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(( in_redirection++ )) # Stall this arg
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continue
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else
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_zsh_highlight_main_highlighter_expand_path $arg
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arg=$REPLY
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_zsh_highlight_main__type "$arg"
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_zsh_highlight_main__type "$arg" 0
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res="$REPLY"
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fi
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fi
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@ -635,7 +636,7 @@ _zsh_highlight_main_highlighter_highlight_list()
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arg=${(P)MATCH}
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;;
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esac
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_zsh_highlight_main__type "$arg"
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_zsh_highlight_main__type "$arg" 0
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res=$REPLY
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fi
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}
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@ -703,7 +704,7 @@ _zsh_highlight_main_highlighter_highlight_list()
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next_word=':start:'
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elif ! (( in_redirection)) && [[ $this_word == *':start:'* ]]; then # $arg is the command word
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if (( ${+precommand_options[$arg]} )) && _zsh_highlight_main__is_runnable $arg; then
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[[ $res != alias ]] && style=precommand
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style=precommand
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flags_with_argument=${precommand_options[$arg]%:*}
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flags_sans_argument=${precommand_options[$arg]#*:}
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next_word=${next_word//:regular:/}
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@ -33,5 +33,6 @@ alias x=$'# foo\npwd'
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BUFFER='x'
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expected_region_highlight=(
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"1 1 alias 'interactivecomments applies to aliases'" # x becomes pwd
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'1 1 alias' # x
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'1 1 comment' # x (#)
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)
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@ -33,5 +33,6 @@ alias x=$'# foo\npwd'
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BUFFER='x'
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expected_region_highlight=(
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"1 1 unknown-token" # x becomes #
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'1 1 alias' # x
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'1 1 unknown-token' # x (#)
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)
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@ -33,7 +33,8 @@ alias a=b b=c c=b
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BUFFER='a foo; :'
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expected_region_highlight=(
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'1 1 unknown-token' # a
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'1 1 alias' # a
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'1 1 unknown-token' # a (invalid alias loop)
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'3 5 default' # foo
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'6 6 commandseparator' # ;
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'8 8 builtin' # :
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@ -35,6 +35,7 @@ BUFFER='a -u phy1729 echo; :'
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expected_region_highlight=(
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'1 1 alias' # a
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'1 1 precommand' # a (sudo)
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'3 4 single-hyphen-option' # -u
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'6 12 default' # phy1729
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'14 17 builtin' # echo
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@ -34,6 +34,7 @@ BUFFER='a foo; :'
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expected_region_highlight=(
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'1 1 alias' # a
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'1 1 builtin' # a (:)
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'3 5 default' # foo
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'6 6 commandseparator' # ;
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'8 8 builtin' # :
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@ -35,7 +35,8 @@ BUFFER='sdu phy1729 echo foo'
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expected_region_highlight=(
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'1 3 alias' # sdu
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'5 11 default "issue #540"' # phy1729
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'1 3 precommand' # sdu (sudo)
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'5 11 default' # phy1729
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'13 16 commmand "issue #540"' # echo (not builtin)
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'18 20 default' # foo
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)
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@ -0,0 +1,43 @@
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#!/usr/bin/env zsh
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# -------------------------------------------------------------------------------------------------
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# Copyright (c) 2018 zsh-syntax-highlighting contributors
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without modification, are permitted
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# provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice, this list of conditions
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# and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice, this list of
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# conditions and the following disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of the zsh-syntax-highlighting contributors nor the names of its contributors
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# may be used to endorse or promote products derived from this software without specific prior
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# written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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# FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# -------------------------------------------------------------------------------------------------
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# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
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# vim: ft=zsh sw=2 ts=2 et
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# -------------------------------------------------------------------------------------------------
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alias sde='sudo -e'
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alias seu='sde -u'
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sudo(){}
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BUFFER='seu phy1729 echo foo'
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expected_region_highlight=(
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'1 3 alias' # seu
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'1 3 precommand' # seu (sudo)
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'5 11 default' # phy1729
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'13 16 commmand "issue #540"' # echo (not builtin)
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'18 20 default' # foo
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)
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@ -35,5 +35,5 @@ expected_region_highlight=(
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'1 3 unknown-token' # "a"
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'5 7 default' # foo
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'8 8 commandseparator' # ;
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'10 12 command "issue #544' # \ls
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'10 12 command' # \ls
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)
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@ -31,7 +31,8 @@ alias x=\>
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BUFFER='x foo echo bar'
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expected_region_highlight=(
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'1 1 redirection' # x becomes >
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'1 1 alias' # x
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'1 1 redirection' # x (>)
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'3 5 default' # foo
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'7 10 builtin' # echo
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'12 14 default' # bar
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@ -34,5 +34,6 @@ BUFFER='echo bar'
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expected_region_highlight=(
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'1 4 alias' # echo
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'1 4 builtin' # echo
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'6 8 default' # bar
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)
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@ -32,5 +32,6 @@ alias x=/
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BUFFER=$'x'
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expected_region_highlight=(
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'1 1 unknown-token' # x
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'1 1 alias' # x
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'1 1 unknown-token "issue #202"' # x (/)
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)
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@ -48,4 +48,5 @@ fi
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expected_region_highlight+=(
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"9 9 commandseparator" # ;
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"11 16 alias" # alias1
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"11 16 command" # alias1 (ls)
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)
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@ -32,5 +32,6 @@ BUFFER='x ls'
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expected_region_highlight=(
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"1 1 alias" # x
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"1 1 precommand" # x (command)
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"3 4 command" # ls
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)
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@ -33,8 +33,9 @@ f() {}
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BUFFER='a;f;'
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expected_region_highlight=(
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"1 1 alias" # f
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"1 1 alias" # a
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"1 1 builtin" # a (:)
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"2 2 commandseparator" # ;
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"3 3 function" # g
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"3 3 function" # f
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"4 4 commandseparator" # ;
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)
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