1" Vim indent file 2" Language: SDL 3" Maintainer: Michael Piefel <[email protected]> 4" Last Change: 10 December 2011 5 6" Shamelessly stolen from the Vim-Script indent file 7 8" Only load this indent file when no other was loaded. 9if exists("b:did_indent") 10 finish 11endif 12let b:did_indent = 1 13 14setlocal indentexpr=GetSDLIndent() 15setlocal indentkeys+==~end,=~state,*<Return> 16 17" Only define the function once. 18if exists("*GetSDLIndent") 19" finish 20endif 21 22let s:cpo_save = &cpo 23set cpo&vim 24 25function! GetSDLIndent() 26 " Find a non-blank line above the current line. 27 let lnum = prevnonblank(v:lnum - 1) 28 29 " At the start of the file use zero indent. 30 if lnum == 0 31 return 0 32 endif 33 34 let ind = indent(lnum) 35 let virtuality = '^\s*\(\(virtual\|redefined\|finalized\)\s\+\)\=\s*' 36 37 " Add a single space to comments which use asterisks 38 if getline(lnum) =~ '^\s*\*' 39 let ind = ind - 1 40 endif 41 if getline(v:lnum) =~ '^\s*\*' 42 let ind = ind + 1 43 endif 44 45 " Add a 'shiftwidth' after states, different blocks, decision (and alternatives), inputs 46 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\)' 47 \ || getline(lnum) =~? virtuality . '\(process\|procedure\|block\|object\)') 48 \ && getline(lnum) !~? 'end[[:alpha:]]\+;$' 49 let ind = ind + &sw 50 endif 51 52 " Subtract a 'shiftwidth' after states 53 if getline(lnum) =~? '^\s*\(stop\|return\>\|nextstate\)' 54 let ind = ind - &sw 55 endif 56 57 " Subtract a 'shiftwidth' on on end (uncompleted line) 58 if getline(v:lnum) =~? '^\s*end\>' 59 let ind = ind - &sw 60 endif 61 62 " Put each alternatives where the corresponding decision was 63 if getline(v:lnum) =~? '^\s*\((.*)\|else\):' 64 normal k 65 let ind = indent(searchpair('^\s*decision', '', '^\s*enddecision', 'bW', 66 \ 'synIDattr(synID(line("."), col("."), 0), "name") =~? "sdlString"')) 67 endif 68 69 " Put each state where the preceding state was 70 if getline(v:lnum) =~? '^\s*state\>' 71 let ind = indent(search('^\s*start', 'bW')) 72 endif 73 74 " Systems and packages are always in column 0 75 if getline(v:lnum) =~? '^\s*\(\(end\)\=system\|\(end\)\=package\)' 76 return 0 77 endif 78 79 " Put each end* where the corresponding begin was 80 if getline(v:lnum) =~? '^\s*end[[:alpha:]]' 81 normal k 82 let partner=matchstr(getline(v:lnum), '\(' . virtuality . 'end\)\@<=[[:alpha:]]\+') 83 let ind = indent(searchpair(virtuality . partner, '', '^\s*end' . partner, 'bW', 84 \ 'synIDattr(synID(line("."), col("."), 0), "name") =~? "sdlString"')) 85 endif 86 87 return ind 88endfunction 89 90let &cpo = s:cpo_save 91unlet s:cpo_save 92 93" vim:sw=2 94