1" Vim indent file 2" Language: SDL 3" Maintainer: Michael Piefel <piefel@informatik.hu-berlin.de> 4" Last Change: 2001 Sep 17 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 22set cpo-=C 23 24function! GetSDLIndent() 25 " Find a non-blank line above the current line. 26 let lnum = prevnonblank(v:lnum - 1) 27 28 " At the start of the file use zero indent. 29 if lnum == 0 30 return 0 31 endif 32 33 let ind = indent(lnum) 34 let virtuality = '^\s*\(\(virtual\|redefined\|finalized\)\s\+\)\=\s*' 35 36 " Add a single space to comments which use asterisks 37 if getline(lnum) =~ '^\s*\*' 38 let ind = ind - 1 39 endif 40 if getline(v:lnum) =~ '^\s*\*' 41 let ind = ind + 1 42 endif 43 44 " Add a 'shiftwidth' after states, different blocks, decision (and alternatives), inputs 45 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\)' 46 \ || getline(lnum) =~? virtuality . '\(process\|procedure\|block\|object\)') 47 \ && getline(lnum) !~? 'end[[:alpha:]]\+;$' 48 let ind = ind + &sw 49 endif 50 51 " Subtract a 'shiftwidth' after states 52 if getline(lnum) =~? '^\s*\(stop\|return\>\|nextstate\)' 53 let ind = ind - &sw 54 endif 55 56 " Subtract a 'shiftwidth' on on end (uncompleted line) 57 if getline(v:lnum) =~? '^\s*end\>' 58 let ind = ind - &sw 59 endif 60 61 " Put each alternatives where the corresponding decision was 62 if getline(v:lnum) =~? '^\s*\((.*)\|else\):' 63 normal k 64 let ind = indent(searchpair('^\s*decision', '', '^\s*enddecision', 'bW', 65 \ 'synIDattr(synID(line("."), col("."), 0), "name") =~? "sdlString"')) 66 endif 67 68 " Put each state where the preceding state was 69 if getline(v:lnum) =~? '^\s*state\>' 70 let ind = indent(search('^\s*start', 'bW')) 71 endif 72 73 " Systems and packages are always in column 0 74 if getline(v:lnum) =~? '^\s*\(\(end\)\=system\|\(end\)\=package\)' 75 return 0; 76 endif 77 78 " Put each end* where the corresponding begin was 79 if getline(v:lnum) =~? '^\s*end[[:alpha:]]' 80 normal k 81 let partner=matchstr(getline(v:lnum), '\(' . virtuality . 'end\)\@<=[[:alpha:]]\+') 82 let ind = indent(searchpair(virtuality . partner, '', '^\s*end' . partner, 'bW', 83 \ 'synIDattr(synID(line("."), col("."), 0), "name") =~? "sdlString"')) 84 endif 85 86 return ind 87endfunction 88 89" vim:sw=2 90