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Diffstat (limited to 'indent/ocaml.vim')
| -rw-r--r-- | indent/ocaml.vim | 277 |
1 files changed, 0 insertions, 277 deletions
diff --git a/indent/ocaml.vim b/indent/ocaml.vim index 71298d9b..dac76ab8 100644 --- a/indent/ocaml.vim +++ b/indent/ocaml.vim @@ -1,280 +1,3 @@ -if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1 - -" Vim indent file -" Language: OCaml -" Maintainers: Jean-Francois Yuen <jfyuen@happycoders.org> -" Mike Leary <leary@nwlink.com> -" Markus Mottl <markus.mottl@gmail.com> -" URL: http://www.ocaml.info/vim/indent/ocaml.vim -" Last Change: 2017 Jun 13 -" 2005 Jun 25 - Fixed multiple bugs due to 'else\nreturn ind' working -" 2005 May 09 - Added an option to not indent OCaml-indents specially (MM) -" 2013 June - commented textwidth (Marc Weber) -" -" Marc Weber's comment: This file may contain a lot of (very custom) stuff -" which eventually should be moved somewhere else .. - -" Only load this indent file when no other was loaded. -if exists("b:did_indent") - finish -endif -let b:did_indent = 1 - -setlocal expandtab -setlocal indentexpr=GetOCamlIndent() -setlocal indentkeys+=0=and,0=class,0=constraint,0=done,0=else,0=end,0=exception,0=external,0=if,0=in,0=include,0=inherit,0=initializer,0=let,0=method,0=open,0=then,0=type,0=val,0=with,0;;,0>\],0\|\],0>},0\|,0},0\],0) -setlocal nolisp -setlocal nosmartindent - -" At least Marc Weber and Markus Mottl do not like this: -" setlocal textwidth=80 - -" Comment formatting -if !exists("no_ocaml_comments") - if (has("comments")) - setlocal comments=sr:(*,mb:*,ex:*) - setlocal fo=cqort - endif -endif - -" Only define the function once. -if exists("*GetOCamlIndent") - finish -endif - -" Define some patterns: -let s:beflet = '^\s*\(initializer\|method\|try\)\|\(\<\(begin\|do\|else\|in\|then\|try\)\|->\|<-\|=\|;\|(\)\s*$' -let s:letpat = '^\s*\(let\|type\|module\|class\|open\|exception\|val\|include\|external\)\>' -let s:letlim = '\(\<\(sig\|struct\)\|;;\)\s*$' -let s:lim = '^\s*\(exception\|external\|include\|let\|module\|open\|type\|val\)\>' -let s:module = '\<\%(begin\|sig\|struct\|object\)\>' -let s:obj = '^\s*\(constraint\|inherit\|initializer\|method\|val\)\>\|\<\(object\|object\s*(.*)\)\s*$' -let s:type = '^\s*\%(class\|let\|type\)\>.*=' - -" Skipping pattern, for comments -function! s:GetLineWithoutFullComment(lnum) - let lnum = prevnonblank(a:lnum - 1) - let lline = substitute(getline(lnum), '(\*.*\*)\s*$', '', '') - while lline =~ '^\s*$' && lnum > 0 - let lnum = prevnonblank(lnum - 1) - let lline = substitute(getline(lnum), '(\*.*\*)\s*$', '', '') - endwhile - return lnum -endfunction - -" Indent for ';;' to match multiple 'let' -function! s:GetInd(lnum, pat, lim) - let llet = search(a:pat, 'bW') - let old = indent(a:lnum) - while llet > 0 - let old = indent(llet) - let nb = s:GetLineWithoutFullComment(llet) - if getline(nb) =~ a:lim - return old - endif - let llet = search(a:pat, 'bW') - endwhile - return old -endfunction - -" Indent pairs -function! s:FindPair(pstart, pmid, pend) - call search(a:pend, 'bW') - return indent(searchpair(a:pstart, a:pmid, a:pend, 'bWn', 'synIDattr(synID(line("."), col("."), 0), "name") =~? "string\\|comment"')) -endfunction - -" Indent 'let' -function! s:FindLet(pstart, pmid, pend) - call search(a:pend, 'bW') - return indent(searchpair(a:pstart, a:pmid, a:pend, 'bWn', 'synIDattr(synID(line("."), col("."), 0), "name") =~? "string\\|comment" || getline(".") =~ "^\\s*let\\>.*=.*\\<in\\s*$" || getline(prevnonblank(".") - 1) =~ s:beflet')) -endfunction - -function! GetOCamlIndent() - " Find a non-commented line above the current line. - let lnum = s:GetLineWithoutFullComment(v:lnum) - - " At the start of the file use zero indent. - if lnum == 0 - return 0 - endif - - let ind = indent(lnum) - let lline = substitute(getline(lnum), '(\*.*\*)\s*$', '', '') - - " Return double 'shiftwidth' after lines matching: - if lline =~ '^\s*|.*->\s*$' - return ind + 2 * shiftwidth() - endif - - let line = getline(v:lnum) - - " Indent if current line begins with 'end': - if line =~ '^\s*end\>' - return s:FindPair(s:module, '','\<end\>') - - " Indent if current line begins with 'done' for 'do': - elseif line =~ '^\s*done\>' - return s:FindPair('\<do\>', '','\<done\>') - - " Indent if current line begins with '}' or '>}': - elseif line =~ '^\s*\(\|>\)}' - return s:FindPair('{', '','}') - - " Indent if current line begins with ']', '|]' or '>]': - elseif line =~ '^\s*\(\||\|>\)\]' - return s:FindPair('\[', '','\]') - - " Indent if current line begins with ')': - elseif line =~ '^\s*)' - return s:FindPair('(', '',')') - - " Indent if current line begins with 'let': - elseif line =~ '^\s*let\>' - if lline !~ s:lim . '\|' . s:letlim . '\|' . s:beflet - return s:FindLet(s:type, '','\<let\s*$') - endif - - " Indent if current line begins with 'class' or 'type': - elseif line =~ '^\s*\(class\|type\)\>' - if lline !~ s:lim . '\|\<and\s*$\|' . s:letlim - return s:FindLet(s:type, '','\<\(class\|type\)\s*$') - endif - - " Indent for pattern matching: - elseif line =~ '^\s*|' - if lline !~ '^\s*\(|[^\]]\|\(match\|type\|with\)\>\)\|\<\(function\|parser\|private\|with\)\s*$' - call search('|', 'bW') - return indent(searchpair('^\s*\(match\|type\)\>\|\<\(function\|parser\|private\|with\)\s*$', '', '^\s*|', 'bWn', 'synIDattr(synID(line("."), col("."), 0), "name") =~? "string\\|comment" || getline(".") !~ "^\\s*|.*->"')) - endif - - " Indent if current line begins with ';;': - elseif line =~ '^\s*;;' - if lline !~ ';;\s*$' - return s:GetInd(v:lnum, s:letpat, s:letlim) - endif - - " Indent if current line begins with 'in': - elseif line =~ '^\s*in\>' - if lline !~ '^\s*\(let\|and\)\>' - return s:FindPair('\<let\>', '', '\<in\>') - endif - - " Indent if current line begins with 'else': - elseif line =~ '^\s*else\>' - if lline !~ '^\s*\(if\|then\)\>' - return s:FindPair('\<if\>', '', '\<else\>') - endif - - " Indent if current line begins with 'then': - elseif line =~ '^\s*then\>' - if lline !~ '^\s*\(if\|else\)\>' - return s:FindPair('\<if\>', '', '\<then\>') - endif - - " Indent if current line begins with 'and': - elseif line =~ '^\s*and\>' - if lline !~ '^\s*\(and\|let\|type\)\>\|\<end\s*$' - return ind - shiftwidth() - endif - - " Indent if current line begins with 'with': - elseif line =~ '^\s*with\>' - if lline !~ '^\s*\(match\|try\)\>' - return s:FindPair('\<\%(match\|try\)\>', '','\<with\>') - endif - - " Indent if current line begins with 'exception', 'external', 'include' or - " 'open': - elseif line =~ '^\s*\(exception\|external\|include\|open\)\>' - if lline !~ s:lim . '\|' . s:letlim - call search(line) - return indent(search('^\s*\(\(exception\|external\|include\|open\|type\)\>\|val\>.*:\)', 'bW')) - endif - - " Indent if current line begins with 'val': - elseif line =~ '^\s*val\>' - if lline !~ '^\s*\(exception\|external\|include\|open\)\>\|' . s:obj . '\|' . s:letlim - return indent(search('^\s*\(\(exception\|include\|initializer\|method\|open\|type\|val\)\>\|external\>.*:\)', 'bW')) - endif - - " Indent if current line begins with 'constraint', 'inherit', 'initializer' - " or 'method': - elseif line =~ '^\s*\(constraint\|inherit\|initializer\|method\)\>' - if lline !~ s:obj - return indent(search('\<\(object\|object\s*(.*)\)\s*$', 'bW')) + shiftwidth() - endif - - endif - - " Add a 'shiftwidth' after lines ending with: - if lline =~ '\(:\|=\|->\|<-\|(\|\[\|{\|{<\|\[|\|\[<\|\<\(begin\|do\|else\|fun\|function\|functor\|if\|initializer\|object\|parser\|private\|sig\|struct\|then\|try\)\|\<object\s*(.*)\)\s*$' - let ind = ind + shiftwidth() - - " Back to normal indent after lines ending with ';;': - elseif lline =~ ';;\s*$' && lline !~ '^\s*;;' - let ind = s:GetInd(v:lnum, s:letpat, s:letlim) - - " Back to normal indent after lines ending with 'end': - elseif lline =~ '\<end\s*$' - let ind = s:FindPair(s:module, '','\<end\>') - - " Back to normal indent after lines ending with 'in': - elseif lline =~ '\<in\s*$' && lline !~ '^\s*in\>' - let ind = s:FindPair('\<let\>', '', '\<in\>') - - " Back to normal indent after lines ending with 'done': - elseif lline =~ '\<done\s*$' - let ind = s:FindPair('\<do\>', '','\<done\>') - - " Back to normal indent after lines ending with '}' or '>}': - elseif lline =~ '\(\|>\)}\s*$' - let ind = s:FindPair('{', '','}') - - " Back to normal indent after lines ending with ']', '|]' or '>]': - elseif lline =~ '\(\||\|>\)\]\s*$' - let ind = s:FindPair('\[', '','\]') - - " Back to normal indent after comments: - elseif lline =~ '\*)\s*$' - call search('\*)', 'bW') - let ind = indent(searchpair('(\*', '', '\*)', 'bWn', 'synIDattr(synID(line("."), col("."), 0), "name") =~? "string"')) - - " Back to normal indent after lines ending with ')': - elseif lline =~ ')\s*$' - let ind = s:FindPair('(', '',')') - - " If this is a multiline comment then align '*': - elseif lline =~ '^\s*(\*' && line =~ '^\s*\*' - let ind = ind + 1 - - else - " Don't change indentation of this line - " for new lines (indent==0) use indentation of previous line - - " This is for preventing removing indentation of these args: - " let f x = - " let y = x + 1 in - " Printf.printf - " "o" << here - " "oeuth" << don't touch indentation - - let i = indent(v:lnum) - return i == 0 ? ind : i - - endif - - " Subtract a 'shiftwidth' after lines matching 'match ... with parser': - if lline =~ '\<match\>.*\<with\>\s*\<parser\s*$' - let ind = ind - shiftwidth() - endif - - return ind - -endfunction - -" vim:sw=2 - -endif if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'ocaml') == -1 " Vim indent file |