" Vim indent file" Language:	SDL" Maintainer:	Michael Piefel <piefel@informatik.hu-berlin.de>" Last Change:	2001 Sep 17 " Shamelessly stolen from the Vim-Script indent file " Only load this indent file when no other was loaded.if exists("b:did_indent")  finishendiflet b:did_indent = 1 setlocal indentexpr=GetSDLIndent()setlocal indentkeys+==~end,=~state,*<Return> " Only define the function once.if exists("*GetSDLIndent")"  finishendif set cpo-=C function! GetSDLIndent()  " 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 ind = indent(lnum)  let virtuality = '^\s*\(\(virtual\|redefined\|finalized\)\s\+\)\=\s*'   " Add a single space to comments which use asterisks  if getline(lnum) =~ '^\s*\*'    let ind = ind - 1  endif  if getline(v:lnum) =~ '^\s*\*'    let ind = ind + 1  endif   " Add a 'shiftwidth' after states, different blocks, decision (and alternatives), inputs  if (getline(lnum) =~? '^\s*\(start\|state\|system\|package\|connection\|channel\|alternative\|macro\|operator\|newtype\|select\|substructure\|decision\|generator\|refinement\|service\|method\|exceptionhandler\|asntype\|syntype\|value\|(.*):\|\(priority\s\+\)\=input\|provided\)'    \ || getline(lnum) =~? virtuality . '\(process\|procedure\|block\|object\)')    \ && getline(lnum) !~? 'end[[:alpha:]]\+;$'    let ind = ind + &sw  endif   " Subtract a 'shiftwidth' after states  if getline(lnum) =~? '^\s*\(stop\|return\>\|nextstate\)'    let ind = ind - &sw  endif   " Subtract a 'shiftwidth' on on end (uncompleted line)  if getline(v:lnum) =~? '^\s*end\>'    let ind = ind - &sw  endif   " Put each alternatives where the corresponding decision was  if getline(v:lnum) =~? '^\s*\((.*)\|else\):'    normal k    let ind = indent(searchpair('^\s*decision', '', '^\s*enddecision', 'bW',      \ 'synIDattr(synID(line("."), col("."), 0), "name") =~? "sdlString"'))  endif   " Put each state where the preceding state was  if getline(v:lnum) =~? '^\s*state\>'    let ind = indent(search('^\s*start', 'bW'))  endif   " Systems and packages are always in column 0  if getline(v:lnum) =~? '^\s*\(\(end\)\=system\|\(end\)\=package\)'    return 0;  endif   " Put each end* where the corresponding begin was  if getline(v:lnum) =~? '^\s*end[[:alpha:]]'    normal k    let partner=matchstr(getline(v:lnum), '\(' . virtuality . 'end\)\@<=[[:alpha:]]\+')    let ind = indent(searchpair(virtuality . partner, '', '^\s*end' . partner, 'bW',      \ 'synIDattr(synID(line("."), col("."), 0), "name") =~? "sdlString"'))  endif   return indendfunction " vim:sw=2