mirror of
https://github.com/vim/vim
synced 2025-03-20 08:45:11 +01:00
301 lines
10 KiB
VimL
301 lines
10 KiB
VimL
" Vim settings file
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" Language: OCaml
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" Maintainers: Mike Leary <leary@nwlink.com>
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" Markus Mottl <markus@oefai.at>
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" Stefano Zacchiroli <zack@bononia.it>
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" URL: http://www.oefai.at/~markus/vim/ftplugin/ocaml.vim
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" Last Change: 2004 Apr 12 - better .ml/.mli-switching without Python (SZ)
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" 2003 Nov 21 - match_words-patterns and .ml/.mli-switching (MM)
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" 2003 Oct 16 - re-entered variable 'did_ocaml_dtypes' (MM)
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" 2003 Oct 15 - added Stefano Zacchirolis (SZ) Python-code for
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" displaying type annotations (MM)
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" Only do these settings when not done yet for this buffer
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if exists("b:did_ftplugin")
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finish
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endif
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" Don't do other file type settings for this buffer
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let b:did_ftplugin = 1
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set cpo-=C
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" Error formats
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setlocal efm=
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\%EFile\ \"%f\"\\,\ line\ %l\\,\ characters\ %c-%*\\d:,
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\%EFile\ \"%f\"\\,\ line\ %l\\,\ character\ %c:%m,
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\%+EReference\ to\ unbound\ regexp\ name\ %m,
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\%Eocamlyacc:\ e\ -\ line\ %l\ of\ \"%f\"\\,\ %m,
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\%Wocamlyacc:\ w\ -\ %m,
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\%-Zmake%.%#,
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\%C%m
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" Add mappings, unless the user didn't want this.
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if !exists("no_plugin_maps") && !exists("no_ocaml_maps")
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" Uncommenting
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if !hasmapto('<Plug>Comment')
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nmap <buffer> <LocalLeader>c <Plug>LUncomOn
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vmap <buffer> <LocalLeader>c <Plug>BUncomOn
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nmap <buffer> <LocalLeader>C <Plug>LUncomOff
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vmap <buffer> <LocalLeader>C <Plug>BUncomOff
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endif
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nnoremap <buffer> <Plug>LUncomOn mz0i(* <ESC>$A *)<ESC>`z
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nnoremap <buffer> <Plug>LUncomOff <ESC>:s/^(\* \(.*\) \*)/\1/<CR>
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vnoremap <buffer> <Plug>BUncomOn <ESC>:'<,'><CR>`<O<ESC>0i(*<ESC>`>o<ESC>0i*)<ESC>`<
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vnoremap <buffer> <Plug>BUncomOff <ESC>:'<,'><CR>`<dd`>dd`<
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if !hasmapto('<Plug>Abbrev')
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iabbrev <buffer> ASS (assert false)
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endif
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endif
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" Let % jump between structure elements (due to Issac Trotts)
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let b:mw='\<let\>:\<and\>:\(\<in\>\|;;\),'
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let b:mw=b:mw . '\<if\>:\<then\>:\<else\>,\<do\>:\<done\>,'
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let b:mw=b:mw . '\<\(object\|sig\|struct\|begin\)\>:\<end\>'
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let b:match_words=b:mw
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" switching between interfaces (.mli) and implementations (.ml)
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if !exists("g:did_ocaml_switch")
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let g:did_ocaml_switch = 1
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map ,s :call OCaml_switch(0)<CR>
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map ,S :call OCaml_switch(1)<CR>
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fun OCaml_switch(newwin)
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if (match(bufname(""), "\\.mli$") >= 0)
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let fname = substitute(bufname(""), "\\.mli$", ".ml", "")
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if (a:newwin == 1)
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exec "new " . fname
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else
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exec "arge " . fname
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endif
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elseif (match(bufname(""), "\\.ml$") >= 0)
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let fname = bufname("") . "i"
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if (a:newwin == 1)
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exec "new " . fname
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else
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exec "arge " . fname
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endif
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endif
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endfun
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endif
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" Vim support for OCaml 3.07 .annot files (requires Vim with python support)
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"
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" Executing OCamlPrintType(<mode>) function will display in the Vim bottom
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" line(s) the type of an ocaml value getting it from the corresponding .annot
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" file (if any). If Vim is in visual mode, <mode> should be "visual" and the
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" selected ocaml value correspond to the highlighted text, otherwise (<mode>
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" can be anything else) it corresponds to the literal found at the current
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" cursor position.
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"
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" .annot files are parsed lazily the first time OCamlPrintType is invoked; is
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" also possible to force the parsing using the OCamlParseAnnot() function.
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"
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" Hitting the <F3> key will cause OCamlPrintType function to be invoked with
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" the right argument depending on the current mode (visual or not).
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"
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" Copyright (C) <2003> Stefano Zacchiroli <zack@bononia.it>
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"
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" Created: Wed, 01 Oct 2003 18:16:22 +0200 zack
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" LastModified: Mon, 06 Oct 2003 11:05:39 +0200 zack
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"
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" This program is free software; you can redistribute it and/or modify
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" it under the terms of the GNU General Public License as published by
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" the Free Software Foundation; either version 2 of the License, or
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" (at your option) any later version.
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"
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" This program is distributed in the hope that it will be useful,
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" but WITHOUT ANY WARRANTY; without even the implied warranty of
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" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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" GNU General Public License for more details.
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"
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" You should have received a copy of the GNU General Public License
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" along with this program; if not, write to the Free Software
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" Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"
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if !has("python")
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echo "Python support not found: OCaml .annot support disabled"
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finish
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endif
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if !exists("g:did_ocaml_dtypes")
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let g:did_ocaml_dtypes = 1
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else
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finish
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endif
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python << EOF
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import re
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import os
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import string
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import time
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import vim
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debug = False
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class AnnExc(Exception):
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def __init__(self, reason):
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self.reason = reason
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no_annotations = AnnExc("No type annotations (.annot) file found")
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annotation_not_found = AnnExc("No type annotation found for the given text")
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def malformed_annotations(lineno):
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return AnnExc("Malformed .annot file (line = %d)" % lineno)
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class Annotations:
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"""
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.annot ocaml file representation
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File format (copied verbatim from caml-types.el)
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file ::= block *
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block ::= position <SP> position <LF> annotation *
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position ::= filename <SP> num <SP> num <SP> num
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annotation ::= keyword open-paren <LF> <SP> <SP> data <LF> close-paren
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<SP> is a space character (ASCII 0x20)
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<LF> is a line-feed character (ASCII 0x0A)
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num is a sequence of decimal digits
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filename is a string with the lexical conventions of O'Caml
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open-paren is an open parenthesis (ASCII 0x28)
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close-paren is a closed parenthesis (ASCII 0x29)
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data is any sequence of characters where <LF> is always followed by
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at least two space characters.
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- in each block, the two positions are respectively the start and the
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- end of the range described by the block.
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- in a position, the filename is the name of the file, the first num
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is the line number, the second num is the offset of the beginning
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of the line, the third num is the offset of the position itself.
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- the char number within the line is the difference between the third
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and second nums.
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For the moment, the only possible keyword is \"type\"."
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"""
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def __init__(self):
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self.__filename = None # last .annot parsed file
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self.__ml_filename = None # as above but s/.annot/.ml/
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self.__timestamp = None # last parse action timestamp
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self.__annot = {}
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self.__re = re.compile(
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'^"[^"]+"\s+(\d+)\s+(\d+)\s+(\d+)\s+"[^"]+"\s+(\d+)\s+(\d+)\s+(\d+)$')
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def __parse(self, fname):
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try:
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f = open(fname)
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line = f.readline() # position line
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lineno = 1
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while (line != ""):
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m = self.__re.search(line)
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if (not m):
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raise malformed_annotations(lineno)
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line1 = int(m.group(1))
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col1 = int(m.group(3)) - int(m.group(2))
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line2 = int(m.group(4))
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col2 = int(m.group(6)) - int(m.group(5))
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line = f.readline() # "type(" string
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lineno += 1
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if (line == ""): raise malformed_annotations(lineno)
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type = []
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line = f.readline() # type description
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lineno += 1
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if (line == ""): raise malformed_annotations(lineno)
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while line != ")\n":
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type.append(string.strip(line))
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line = f.readline()
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lineno += 1
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if (line == ""): raise malformed_annotations(lineno)
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type = string.join(type, "\n")
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self.__annot[(line1, col1), (line2, col2)] = type
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line = f.readline() # position line
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f.close()
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self.__filename = fname
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self.__ml_filename = re.sub("\.annot$", ".ml", fname)
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self.__timestamp = int(time.time())
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except IOError:
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raise no_annotations
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def parse(self):
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annot_file = re.sub("\.ml$", ".annot", vim.current.buffer.name)
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self.__parse(annot_file)
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def get_type(self, (line1, col1), (line2, col2)):
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if debug:
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print line1, col1, line2, col2
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if vim.current.buffer.name == None:
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raise no_annotations
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if vim.current.buffer.name != self.__ml_filename or \
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os.stat(self.__filename).st_mtime > self.__timestamp:
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self.parse()
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try:
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return self.__annot[(line1, col1), (line2, col2)]
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except KeyError:
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raise annotation_not_found
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word_char_RE = re.compile("^[\w.]$")
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# TODO this function should recognize ocaml literals, actually it's just an
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# hack that recognize continuous sequences of word_char_RE above
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def findBoundaries(line, col):
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""" given a cursor position (as returned by vim.current.window.cursor)
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return two integers identify the beggining and end column of the word at
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cursor position, if any. If no word is at the cursor position return the
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column cursor position twice """
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left, right = col, col
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line = line - 1 # mismatch vim/python line indexes
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(begin_col, end_col) = (0, len(vim.current.buffer[line]) - 1)
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try:
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while word_char_RE.search(vim.current.buffer[line][left - 1]):
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left = left - 1
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except IndexError:
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pass
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try:
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while word_char_RE.search(vim.current.buffer[line][right + 1]):
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right = right + 1
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except IndexError:
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pass
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return (left, right)
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annot = Annotations() # global annotation object
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def printOCamlType(mode):
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try:
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if mode == "visual": # visual mode: lookup highlighted text
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(line1, col1) = vim.current.buffer.mark("<")
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(line2, col2) = vim.current.buffer.mark(">")
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else: # any other mode: lookup word at cursor position
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(line, col) = vim.current.window.cursor
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(col1, col2) = findBoundaries(line, col)
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(line1, line2) = (line, line)
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begin_mark = (line1, col1)
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end_mark = (line2, col2 + 1)
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print annot.get_type(begin_mark, end_mark)
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except AnnExc, exc:
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print exc.reason
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def parseOCamlAnnot():
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try:
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annot.parse()
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except AnnExc, exc:
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print exc.reason
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EOF
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fun OCamlPrintType(current_mode)
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if (a:current_mode == "visual")
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python printOCamlType("visual")
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else
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python printOCamlType("normal")
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endif
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endfun
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fun OCamlParseAnnot()
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python parseOCamlAnnot()
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endfun
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map <F3> :call OCamlPrintType("normal")<RETURN>
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vmap <F3> :call OCamlPrintType("visual")<RETURN>
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