" Vim indent file " Language: SDL " Maintainer: Michael Piefel " Last Change: 10 December 2011 " Shamelessly stolen from the Vim-Script indent file " Only load this indent file when no other was loaded. if exists("b:did_indent") finish endif let b:did_indent = 1 setlocal indentexpr=GetSDLIndent() setlocal indentkeys+==~end,=~state,* " Only define the function once. if exists("*GetSDLIndent") " finish endif let s:cpo_save = &cpo set cpo&vim 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 ind endfunction let &cpo = s:cpo_save unlet s:cpo_save " vim:sw=2