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Diffstat (limited to 'runtime/indent/zimbu.vim')
| -rw-r--r-- | runtime/indent/zimbu.vim | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/runtime/indent/zimbu.vim b/runtime/indent/zimbu.vim new file mode 100644 index 0000000..0e6e2ab --- /dev/null +++ b/runtime/indent/zimbu.vim @@ -0,0 +1,128 @@ +" Vim indent file +" Language: Zimbu +" Maintainer: Bram Moolenaar <Bram@vim.org> +" Last Change: 2021 Sep 26 + +" Only load this indent file when no other was loaded. +if exists("b:did_indent") + finish +endif +let b:did_indent = 1 + +setlocal ai nolisp nocin +setlocal indentexpr=GetZimbuIndent(v:lnum) +setlocal indentkeys=0{,0},!^F,o,O,0=ELSE,0=ELSEIF,0=CASE,0=DEFAULT,0=FINALLY + +" We impose recommended defaults: no Tabs, 'shiftwidth' = 2 +setlocal sw=2 et + +let b:undo_indent = "setl ai< cin< et< indentkeys< indentexpr< lisp< sw<" + +" Only define the function once. +if exists("*GetZimbuIndent") + finish +endif + +let s:cpo_save = &cpo +set cpo&vim + +" Come here when loading the script the first time. + +let s:maxoff = 50 " maximum number of lines to look backwards for () + +func GetZimbuIndent(lnum) + let prevLnum = prevnonblank(a:lnum - 1) + if prevLnum == 0 + " This is the first non-empty line, use zero indent. + return 0 + endif + + " Taken from Python indenting: + " If the previous line is inside parenthesis, use the indent of the starting + " line. + " Trick: use the non-existing "dummy" variable to break out of the loop when + " going too far back. + call cursor(prevLnum, 1) + let parlnum = searchpair('(\|{\|\[', '', ')\|}\|\]', 'nbW', + \ "line('.') < " . (prevLnum - s:maxoff) . " ? dummy :" + \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')" + \ . " =~ '\\(Comment\\|String\\|Char\\)$'") + if parlnum > 0 + let plindent = indent(parlnum) + let plnumstart = parlnum + else + let plindent = indent(prevLnum) + let plnumstart = prevLnum + endif + + + " When inside parenthesis: If at the first line below the parenthesis add + " two 'shiftwidth', otherwise same as previous line. + " i = (a + " + b + " + c) + call cursor(a:lnum, 1) + let p = searchpair('(\|{\|\[', '', ')\|}\|\]', 'bW', + \ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :" + \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')" + \ . " =~ '\\(Comment\\|String\\|Char\\)$'") + if p > 0 + if p == prevLnum + " When the start is inside parenthesis, only indent one 'shiftwidth'. + let pp = searchpair('(\|{\|\[', '', ')\|}\|\]', 'bW', + \ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :" + \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')" + \ . " =~ '\\(Comment\\|String\\|Char\\)$'") + if pp > 0 + return indent(prevLnum) + shiftwidth() + endif + return indent(prevLnum) + shiftwidth() * 2 + endif + if plnumstart == p + return indent(prevLnum) + endif + return plindent + endif + + let prevline = getline(prevLnum) + let thisline = getline(a:lnum) + + " If this line is not a comment and the previous one is then move the + " previous line further back. + if thisline !~ '^\s*#' + while prevline =~ '^\s*#' + let prevLnum = prevnonblank(prevLnum - 1) + if prevLnum == 0 + " Only comment lines before this, no indent + return 0 + endif + let prevline = getline(prevLnum) + let plindent = indent(prevLnum) + endwhile + endif + + if prevline =~ '^\s*\(IF\|\|ELSEIF\|ELSE\|GENERATE_IF\|\|GENERATE_ELSEIF\|GENERATE_ELSE\|WHILE\|REPEAT\|TRY\|CATCH\|FINALLY\|FOR\|DO\|SWITCH\|CASE\|DEFAULT\|FUNC\|VIRTUAL\|ABSTRACT\|DEFINE\|REPLACE\|FINAL\|PROC\|MAIN\|NEW\|ENUM\|CLASS\|INTERFACE\|BITS\|MODULE\|SHARED\)\>' + let plindent += shiftwidth() + endif + if thisline =~ '^\s*\(}\|ELSEIF\>\|ELSE\>\|CATCH\|FINALLY\|GENERATE_ELSEIF\>\|GENERATE_ELSE\>\|UNTIL\>\)' + let plindent -= shiftwidth() + endif + if thisline =~ '^\s*\(CASE\>\|DEFAULT\>\)' && prevline !~ '^\s*SWITCH\>' + let plindent -= shiftwidth() + endif + + " line up continued comment that started after some code + " String something # comment comment + " # comment + if a:lnum == prevLnum + 1 && thisline =~ '^\s*#' && prevline !~ '^\s*#' + let n = match(prevline, '#') + if n > 1 + let plindent = n + endif + endif + + return plindent +endfunc + +let &cpo = s:cpo_save +unlet s:cpo_save |