87 lines
3.3 KiB
Plaintext
87 lines
3.3 KiB
Plaintext
# Detection
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# ---------
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hook global BufCreate .*\.awk %{
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set-option buffer filetype awk
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}
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# Initialization
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# --------------
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hook global WinSetOption filetype=awk %{
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require-module awk
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hook window InsertChar \n -group awk-indent awk-indent-on-new-line
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hook window ModeChange insert:.* -group awk-trim-indent awk-trim-indent
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hook -once -always window WinSetOption filetype=.* %{ remove-hooks window awk-.+ }
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}
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hook -group awk-highlight global WinSetOption filetype=awk %{
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add-highlighter window/awk ref awk
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hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/awk }
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}
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provide-module awk %@
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# Highlighters
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# ------------
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add-highlighter shared/awk regions
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add-highlighter shared/awk/code default-region group
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add-highlighter shared/awk/comment region '#' '$' fill comment
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add-highlighter shared/awk/string region '"' (?<!\\)(\\\\)*" fill string
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add-highlighter shared/awk/regex region (\A|[^\s\w)\]+-]|\bcase)\s*\K/ (?<!\\)(\\\\)*/ fill attribute
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add-highlighter shared/awk/code/ regex (\.\d+|\b\d+\.?\d*)([eE][+-]?\d+)?\b 0:value # Decimal/octal/scientific
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add-highlighter shared/awk/code/ regex \b0[xX][\da-fA-F]+\b 0:value # Hexadecimal
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add-highlighter shared/awk/code/ regex \$|\+|-|\*|/|%|\^|=|&&|\||!|<|>|\?|~ 0:operator
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evaluate-commands %sh{
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# Grammar
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patterns="BEGIN END BEGINFILE ENDFILE"
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variables="BINMODE CONVFMT FIELDWIDTHS FPAT FS IGNORECASE LINT OFMT OFS
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ORS PREC ROUNDMODE RS SUBSEP TEXTDOMAIN ARGC ARGV ARGIND ENVIRON
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ERRNO FILENAME FNR NF FUNCTAB NR PROCINFO RLENGTH RSTART RT SYMTAB"
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keywords="break continue delete exit function getline next print printf
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return switch nextfile func if else while for do"
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functions="atan2 cos exp int intdiv log rand sin sqrt srand asort asort1
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gensub gsub index length match patsplit split sprintf strtonum sub
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substr tolower toupper close fflush system mktime strftime systime
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and compl lshift or rshift xor isarray typeof bindtextdomain dcgettext
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dcngetext"
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join() { sep=$2; eval set -- $1; IFS="$sep"; echo "$*"; }
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# Add the language's grammar to the static completion list
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printf %s\\n "hook global WinSetOption filetype=awk %{
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set-option window static_words $(join "${patterns} ${variables} ${keywords} ${functions}" ' ')
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}"
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# Highlight keywords
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printf %s\\n "add-highlighter shared/awk/code/ regex \b($(join "${patterns}" '|'))\b 0:type"
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printf %s\\n "add-highlighter shared/awk/code/ regex \b($(join "${variables}" '|'))\b 0:meta"
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printf %s\\n "add-highlighter shared/awk/code/ regex \b($(join "${keywords}" '|'))\b 0:keyword"
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printf %s\\n "add-highlighter shared/awk/code/ regex \b($(join "${functions}" '|'))\b 0:function"
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}
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# Commands
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# --------
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define-command -hidden awk-indent-on-new-line %[
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evaluate-commands -draft -itersel %[
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# preserve previous line indent
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try %[ execute-keys -draft \; K <a-&> ]
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# cleanup trailing whitespaces from previous line
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try %[ execute-keys -draft k <a-x> s \h+$ <ret> d ]
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# indent after line ending in opening curly brace
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try %[ execute-keys -draft k<a-x> <a-k>\{\h*(#.*)?$<ret> j<a-gt> ]
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]
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]
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define-command -hidden awk-trim-indent %{
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try %{ execute-keys -draft \; <a-x> s ^\h+$ <ret> d }
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}
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@
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