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Diffstat (limited to 'runtime/indent/rapid.vim')
| -rw-r--r-- | runtime/indent/rapid.vim | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/runtime/indent/rapid.vim b/runtime/indent/rapid.vim new file mode 100644 index 0000000..b1fa00b --- /dev/null +++ b/runtime/indent/rapid.vim @@ -0,0 +1,255 @@ +" ABB Rapid Command indent file for Vim +" Language: ABB Rapid Command +" Maintainer: Patrick Meiser-Knosowski <knosowski@graeffrobotics.de> +" Version: 2.2.7 +" Last Change: 12. May 2023 +" Credits: Based on indent/vim.vim +" +" Suggestions of improvement are very welcome. Please email me! +" +" Known bugs: ../doc/rapid.txt +" +" TODO +" * indent wrapped lines which do not end with an ; or special key word, +" maybe this is a better idea, but then () and [] has to be changed as +" well +" + +if exists("g:rapidNoSpaceIndent") + if !exists("g:rapidSpaceIndent") + let g:rapidSpaceIndent = !g:rapidNoSpaceIndent + endif + unlet g:rapidNoSpaceIndent +endif + +" Only load this indent file when no other was loaded. +if exists("b:did_indent") || get(g:,'rapidNoIndent',0) + finish +endif +let b:did_indent = 1 + +setlocal nolisp +setlocal nosmartindent +setlocal autoindent +setlocal indentexpr=GetRapidIndent() +if get(g:,'rapidNewStyleIndent',0) + setlocal indentkeys=!^F,o,O,0=~endmodule,0=~error,0=~undo,0=~backward,0=~endproc,0=~endrecord,0=~endtrap,0=~endfunc,0=~else,0=~endif,0=~endtest,0=~endfor,0=~endwhile,:,<[>,<]>,<(>,<)> +else + setlocal indentkeys=!^F,o,O,0=~endmodule,0=~error,0=~undo,0=~backward,0=~endproc,0=~endrecord,0=~endtrap,0=~endfunc,0=~else,0=~endif,0=~endtest,0=~endfor,0=~endwhile,: +endif +let b:undo_indent="setlocal lisp< si< ai< inde< indk<" + +if get(g:,'rapidSpaceIndent',1) + " Use spaces for indention, 2 is enough. + " More or even tabs wastes space on the teach pendant. + setlocal softtabstop=2 + setlocal shiftwidth=2 + setlocal expandtab + setlocal shiftround + let b:undo_indent = b:undo_indent." sts< sw< et< sr<" +endif + +" Only define the function once. +if exists("*GetRapidIndent") + finish +endif + +let s:keepcpo= &cpo +set cpo&vim + +function GetRapidIndent() + let ignorecase_save = &ignorecase + try + let &ignorecase = 0 + return s:GetRapidIndentIntern() + finally + let &ignorecase = ignorecase_save + endtry +endfunction + +function s:GetRapidIndentIntern() abort + + let l:currentLineNum = v:lnum + let l:currentLine = getline(l:currentLineNum) + + if l:currentLine =~ '^!' && !get(g:,'rapidCommentIndent',0) + " If current line is ! line comment, do not change indent + " This may be useful if code is commented out at the first column. + return 0 + endif + + " Find a non-blank line above the current line. + let l:preNoneBlankLineNum = s:RapidPreNoneBlank(v:lnum - 1) + if l:preNoneBlankLineNum == 0 + " At the start of the file use zero indent. + return 0 + endif + + let l:preNoneBlankLine = getline(l:preNoneBlankLineNum) + let l:ind = indent(l:preNoneBlankLineNum) + + " Define add a 'shiftwidth' pattern + let l:addShiftwidthPattern = '\c\v^\s*(' + let l:addShiftwidthPattern .= '((local|task)\s+)?(module|record|proc|func|trap)\s+\k' + let l:addShiftwidthPattern .= '|(backward|error|undo)>' + let l:addShiftwidthPattern .= ')' + " + " Define Subtract 'shiftwidth' pattern + let l:subtractShiftwidthPattern = '\c\v^\s*(' + let l:subtractShiftwidthPattern .= 'end(module|record|proc|func|trap)>' + let l:subtractShiftwidthPattern .= '|(backward|error|undo)>' + let l:subtractShiftwidthPattern .= ')' + + " Add shiftwidth + if l:preNoneBlankLine =~ l:addShiftwidthPattern + \|| s:RapidLenTilStr(l:preNoneBlankLineNum, "then", 0)>=0 + \|| s:RapidLenTilStr(l:preNoneBlankLineNum, "else", 0)>=0 + \|| s:RapidLenTilStr(l:preNoneBlankLineNum, "do", 0)>=0 + \|| s:RapidLenTilStr(l:preNoneBlankLineNum, "case", 0)>=0 + \|| s:RapidLenTilStr(l:preNoneBlankLineNum, "default", 0)>=0 + let l:ind += &sw + endif + + " Subtract shiftwidth + if l:currentLine =~ l:subtractShiftwidthPattern + \|| s:RapidLenTilStr(l:currentLineNum, "endif", 0)>=0 + \|| s:RapidLenTilStr(l:currentLineNum, "endfor", 0)>=0 + \|| s:RapidLenTilStr(l:currentLineNum, "endwhile", 0)>=0 + \|| s:RapidLenTilStr(l:currentLineNum, "endtest", 0)>=0 + \|| s:RapidLenTilStr(l:currentLineNum, "else", 0)>=0 + \|| s:RapidLenTilStr(l:currentLineNum, "elseif", 0)>=0 + \|| s:RapidLenTilStr(l:currentLineNum, "case", 0)>=0 + \|| s:RapidLenTilStr(l:currentLineNum, "default", 0)>=0 + let l:ind = l:ind - &sw + endif + + " First case (or default) after a test gets the indent of the test. + if (s:RapidLenTilStr(l:currentLineNum, "case", 0)>=0 || s:RapidLenTilStr(l:currentLineNum, "default", 0)>=0) && s:RapidLenTilStr(l:preNoneBlankLineNum, "test", 0)>=0 + let l:ind += &sw + endif + + " continued lines with () or [] + let l:OpenSum = s:RapidLoneParen(l:preNoneBlankLineNum,"(") + s:RapidLoneParen(l:preNoneBlankLineNum,"[") + if get(g:,'rapidNewStyleIndent',0) + let l:CloseSum = s:RapidLoneParen(l:preNoneBlankLineNum,")") + s:RapidLoneParen(l:currentLineNum,"]") + else + let l:CloseSum = s:RapidLoneParen(l:preNoneBlankLineNum,")") + s:RapidLoneParen(l:preNoneBlankLineNum,"]") + endif + if l:OpenSum > l:CloseSum + let l:ind += (l:OpenSum * 4 * &sw) + elseif l:OpenSum < l:CloseSum + let l:ind -= (l:CloseSum * 4 * &sw) + endif + + return l:ind +endfunction + +" Returns the length of the line until a:str occur outside a string or +" comment. Search starts at string index a:startIdx. +" If a:str is a word also add word boundaries and case insensitivity. +" Note: rapidTodoComment and rapidDebugComment are not taken into account. +function s:RapidLenTilStr(lnum, str, startIdx) abort + + let l:line = getline(a:lnum) + let l:len = strlen(l:line) + let l:idx = a:startIdx + let l:str = a:str + if l:str =~ '^\k\+$' + let l:str = '\c\<' . l:str . '\>' + endif + + while l:len > l:idx + let l:idx = match(l:line, l:str, l:idx) + if l:idx < 0 + " a:str not found + return -1 + endif + let l:synName = synIDattr(synID(a:lnum,l:idx+1,0),"name") + if l:synName != "rapidString" + \&& l:synName != "rapidConcealableString" + \&& (l:synName != "rapidComment" || l:str =~ '^!') + " a:str found outside string or line comment + return l:idx + endif + " a:str is part of string or line comment + let l:idx += 1 " continue search for a:str + endwhile + + " a:str not found or l:len <= a:startIdx + return -1 +endfunction + +" a:lchar should be one of (, ), [, ], { or } +" returns the number of opening/closing parentheses which have no +" closing/opening match in getline(a:lnum) +function s:RapidLoneParen(lnum,lchar) abort + if a:lchar == "(" || a:lchar == ")" + let l:opnParChar = "(" + let l:clsParChar = ")" + elseif a:lchar == "[" || a:lchar == "]" + let l:opnParChar = "[" + let l:clsParChar = "]" + elseif a:lchar == "{" || a:lchar == "}" + let l:opnParChar = "{" + let l:clsParChar = "}" + else + return 0 + endif + + let l:line = getline(a:lnum) + + " look for the first ! which is not part of a string + let l:len = s:RapidLenTilStr(a:lnum,"!",0) + if l:len == 0 + return 0 " first char is !; ignored + endif + + let l:opnParen = 0 + " count opening brackets + let l:i = 0 + while l:i >= 0 + let l:i = s:RapidLenTilStr(a:lnum, l:opnParChar, l:i) + if l:i >= 0 + let l:opnParen += 1 + let l:i += 1 + endif + endwhile + + let l:clsParen = 0 + " count closing brackets + let l:i = 0 + while l:i >= 0 + let l:i = s:RapidLenTilStr(a:lnum, l:clsParChar, l:i) + if l:i >= 0 + let l:clsParen += 1 + let l:i += 1 + endif + endwhile + + if (a:lchar == "(" || a:lchar == "[" || a:lchar == "{") && l:opnParen>l:clsParen + return (l:opnParen-l:clsParen) + elseif (a:lchar == ")" || a:lchar == "]" || a:lchar == "}") && l:clsParen>l:opnParen + return (l:clsParen-l:opnParen) + endif + + return 0 +endfunction + +" This function works almost like prevnonblank() but handles %%%-headers and +" comments like blank lines +function s:RapidPreNoneBlank(lnum) abort + + let nPreNoneBlank = prevnonblank(a:lnum) + + while nPreNoneBlank>0 && getline(nPreNoneBlank) =~ '\v\c^\s*(\%\%\%|!)' + " Previous none blank line irrelevant. Look further aback. + let nPreNoneBlank = prevnonblank(nPreNoneBlank - 1) + endwhile + + return nPreNoneBlank +endfunction + +let &cpo = s:keepcpo +unlet s:keepcpo + +" vim:sw=2 sts=2 et |