| " Vim indent file |
| " Language: SDL |
| " Maintainer: Michael Piefel <entwurf@piefel.de> |
| " 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,*<Return> |
| |
| " 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 |