/usr/share/vim/vim80/indent/systemverilog.vim is in vim-runtime 2:8.0.1453-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 | " Vim indent file
" Language: SystemVerilog
" Maintainer: kocha <kocha.lsifrontend@gmail.com>
" Last Change: 12-Aug-2013.
" Only load this indent file when no other was loaded.
if exists("b:did_indent")
finish
endif
let b:did_indent = 1
setlocal indentexpr=SystemVerilogIndent()
setlocal indentkeys=!^F,o,O,0),0},=begin,=end,=join,=endcase,=join_any,=join_none
setlocal indentkeys+==endmodule,=endfunction,=endtask,=endspecify
setlocal indentkeys+==endclass,=endpackage,=endsequence,=endclocking
setlocal indentkeys+==endinterface,=endgroup,=endprogram,=endproperty,=endchecker
setlocal indentkeys+==`else,=`endif
" Only define the function once.
if exists("*SystemVerilogIndent")
finish
endif
let s:cpo_save = &cpo
set cpo&vim
function SystemVerilogIndent()
if exists('b:systemverilog_indent_width')
let offset = b:systemverilog_indent_width
else
let offset = shiftwidth()
endif
if exists('b:systemverilog_indent_modules')
let indent_modules = offset
else
let indent_modules = 0
endif
" Find a non-blank line above the current line.
let lnum = prevnonblank(v:lnum - 1)
" At the start of the file use zero indent.
if lnum == 0
return 0
endif
let lnum2 = prevnonblank(lnum - 1)
let curr_line = getline(v:lnum)
let last_line = getline(lnum)
let last_line2 = getline(lnum2)
let ind = indent(lnum)
let ind2 = indent(lnum - 1)
let offset_comment1 = 1
" Define the condition of an open statement
" Exclude the match of //, /* or */
let sv_openstat = '\(\<or\>\|\([*/]\)\@<![*(,{><+-/%^&|!=?:]\([*/]\)\@!\)'
" Define the condition when the statement ends with a one-line comment
let sv_comment = '\(//.*\|/\*.*\*/\s*\)'
if exists('b:verilog_indent_verbose')
let vverb_str = 'INDENT VERBOSE:'
let vverb = 1
else
let vverb = 0
endif
" Indent accoding to last line
" End of multiple-line comment
if last_line =~ '\*/\s*$' && last_line !~ '/\*.\{-}\*/'
let ind = ind - offset_comment1
if vverb
echo vverb_str "De-indent after a multiple-line comment."
endif
" Indent after if/else/for/case/always/initial/specify/fork blocks
elseif last_line =~ '`\@<!\<\(if\|else\)\>' ||
\ last_line =~ '^\s*\<\(for\|case\%[[zx]]\|do\|foreach\|randcase\)\>' ||
\ last_line =~ '^\s*\<\(always\|always_comb\|always_ff\|always_latch\)\>' ||
\ last_line =~ '^\s*\<\(initial\|specify\|fork\|final\)\>'
if last_line !~ '\(;\|\<end\>\)\s*' . sv_comment . '*$' ||
\ last_line =~ '\(//\|/\*\).*\(;\|\<end\>\)\s*' . sv_comment . '*$'
let ind = ind + offset
if vverb | echo vverb_str "Indent after a block statement." | endif
endif
" Indent after function/task/class/package/sequence/clocking/
" interface/covergroup/property/checkerprogram blocks
elseif last_line =~ '^\s*\<\(function\|task\|class\|package\)\>' ||
\ last_line =~ '^\s*\<\(sequence\|clocking\|interface\)\>' ||
\ last_line =~ '^\s*\(\w\+\s*:\)\=\s*\<covergroup\>' ||
\ last_line =~ '^\s*\<\(property\|checker\|program\)\>'
if last_line !~ '\<end\>\s*' . sv_comment . '*$' ||
\ last_line =~ '\(//\|/\*\).*\(;\|\<end\>\)\s*' . sv_comment . '*$'
let ind = ind + offset
if vverb
echo vverb_str "Indent after function/task/class block statement."
endif
endif
" Indent after module/function/task/specify/fork blocks
elseif last_line =~ '^\s*\(\<extern\>\s*\)\=\<module\>'
let ind = ind + indent_modules
if vverb && indent_modules
echo vverb_str "Indent after module statement."
endif
if last_line =~ '[(,]\s*' . sv_comment . '*$' &&
\ last_line !~ '\(//\|/\*\).*[(,]\s*' . sv_comment . '*$'
let ind = ind + offset
if vverb
echo vverb_str "Indent after a multiple-line module statement."
endif
endif
" Indent after a 'begin' statement
elseif last_line =~ '\(\<begin\>\)\(\s*:\s*\w\+\)*' . sv_comment . '*$' &&
\ last_line !~ '\(//\|/\*\).*\(\<begin\>\)' &&
\ ( last_line2 !~ sv_openstat . '\s*' . sv_comment . '*$' ||
\ last_line2 =~ '^\s*[^=!]\+\s*:\s*' . sv_comment . '*$' )
let ind = ind + offset
if vverb | echo vverb_str "Indent after begin statement." | endif
" Indent after a '{' or a '('
elseif last_line =~ '[{(]' . sv_comment . '*$' &&
\ last_line !~ '\(//\|/\*\).*[{(]' &&
\ ( last_line2 !~ sv_openstat . '\s*' . sv_comment . '*$' ||
\ last_line2 =~ '^\s*[^=!]\+\s*:\s*' . sv_comment . '*$' )
let ind = ind + offset
if vverb | echo vverb_str "Indent after begin statement." | endif
" De-indent for the end of one-line block
elseif ( last_line !~ '\<begin\>' ||
\ last_line =~ '\(//\|/\*\).*\<begin\>' ) &&
\ last_line2 =~ '\<\(`\@<!if\|`\@<!else\|for\|always\|initial\|do\|foreach\|final\)\>.*' .
\ sv_comment . '*$' &&
\ last_line2 !~ '\(//\|/\*\).*\<\(`\@<!if\|`\@<!else\|for\|always\|initial\|do\|foreach\|final\)\>' &&
\ last_line2 !~ sv_openstat . '\s*' . sv_comment . '*$' &&
\ ( last_line2 !~ '\<begin\>' ||
\ last_line2 =~ '\(//\|/\*\).*\<begin\>' )
let ind = ind - offset
if vverb
echo vverb_str "De-indent after the end of one-line statement."
endif
" Multiple-line statement (including case statement)
" Open statement
" Ident the first open line
elseif last_line =~ sv_openstat . '\s*' . sv_comment . '*$' &&
\ last_line !~ '\(//\|/\*\).*' . sv_openstat . '\s*$' &&
\ last_line2 !~ sv_openstat . '\s*' . sv_comment . '*$'
let ind = ind + offset
if vverb | echo vverb_str "Indent after an open statement." | endif
" Close statement
" De-indent for an optional close parenthesis and a semicolon, and only
" if there exists precedent non-whitespace char
elseif last_line =~ ')*\s*;\s*' . sv_comment . '*$' &&
\ last_line !~ '^\s*)*\s*;\s*' . sv_comment . '*$' &&
\ last_line !~ '\(//\|/\*\).*\S)*\s*;\s*' . sv_comment . '*$' &&
\ ( last_line2 =~ sv_openstat . '\s*' . sv_comment . '*$' &&
\ last_line2 !~ ';\s*//.*$') &&
\ last_line2 !~ '^\s*' . sv_comment . '$'
let ind = ind - offset
if vverb | echo vverb_str "De-indent after a close statement." | endif
" `ifdef and `else
elseif last_line =~ '^\s*`\<\(ifdef\|else\)\>'
let ind = ind + offset
if vverb
echo vverb_str "Indent after a `ifdef or `else statement."
endif
endif
" Re-indent current line
" De-indent on the end of the block
" join/end/endcase/endfunction/endtask/endspecify
if curr_line =~ '^\s*\<\(join\|join_any\|join_none\|\|end\|endcase\|while\)\>' ||
\ curr_line =~ '^\s*\<\(endfunction\|endtask\|endspecify\|endclass\)\>' ||
\ curr_line =~ '^\s*\<\(endpackage\|endsequence\|endclocking\|endinterface\)\>' ||
\ curr_line =~ '^\s*\<\(endgroup\|endproperty\|endchecker\|endprogram\)\>' ||
\ curr_line =~ '^\s*}'
let ind = ind - offset
if vverb | echo vverb_str "De-indent the end of a block." | endif
elseif curr_line =~ '^\s*\<endmodule\>'
let ind = ind - indent_modules
if vverb && indent_modules
echo vverb_str "De-indent the end of a module."
endif
" De-indent on a stand-alone 'begin'
elseif curr_line =~ '^\s*\<begin\>'
if last_line !~ '^\s*\<\(function\|task\|specify\|module\|class\|package\)\>' ||
\ last_line !~ '^\s*\<\(sequence\|clocking\|interface\|covergroup\)\>' ||
\ last_line !~ '^\s*\<\(property\|checker\|program\)\>' &&
\ last_line !~ '^\s*\()*\s*;\|)\+\)\s*' . sv_comment . '*$' &&
\ ( last_line =~
\ '\<\(`\@<!if\|`\@<!else\|for\|case\%[[zx]]\|always\|initial\|do\|foreach\|randcase\|final\)\>' ||
\ last_line =~ ')\s*' . sv_comment . '*$' ||
\ last_line =~ sv_openstat . '\s*' . sv_comment . '*$' )
let ind = ind - offset
if vverb
echo vverb_str "De-indent a stand alone begin statement."
endif
endif
" De-indent after the end of multiple-line statement
elseif curr_line =~ '^\s*)' &&
\ ( last_line =~ sv_openstat . '\s*' . sv_comment . '*$' ||
\ last_line !~ sv_openstat . '\s*' . sv_comment . '*$' &&
\ last_line2 =~ sv_openstat . '\s*' . sv_comment . '*$' )
let ind = ind - offset
if vverb
echo vverb_str "De-indent the end of a multiple statement."
endif
" De-indent `else and `endif
elseif curr_line =~ '^\s*`\<\(else\|endif\)\>'
let ind = ind - offset
if vverb | echo vverb_str "De-indent `else and `endif statement." | endif
endif
" Return the indention
return ind
endfunction
let &cpo = s:cpo_save
unlet s:cpo_save
" vim:sw=2
|