mirror of
https://github.com/neovim/neovim.git
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5fd21b8d3e
Update runtime files
6c391a74fe
omit autoload/getscript.vim
skip doc/eval.txt (needs 8.2.2468)
skip doc/various.txt (needs 8.2.3400)
(typofixes courtesy of @dundargoc)
309 lines
11 KiB
VimL
309 lines
11 KiB
VimL
"------------------------------------------------------------------------------
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" Description: Vim Ada indent file
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" Language: Ada (2005)
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" $Id: ada.vim 887 2008-07-08 14:29:01Z krischik $
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" Copyright: Copyright (C) 2006 Martin Krischik
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" Maintainer: Martin Krischik <krischik@users.sourceforge.net>
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" Neil Bird <neil@fnxweb.com>
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" Ned Okie <nokie@radford.edu>
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" $Author: krischik $
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" $Date: 2008-07-08 16:29:01 +0200 (Di, 08 Jul 2008) $
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" Version: 4.6
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" $Revision: 887 $
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" $HeadURL: https://gnuada.svn.sourceforge.net/svnroot/gnuada/trunk/tools/vim/indent/ada.vim $
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" History: 24.05.2006 MK Unified Headers
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" 16.07.2006 MK Ada-Mode as vim-ball
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" 15.10.2006 MK Bram's suggestion for runtime integration
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" 05.11.2006 MK Bram suggested to save on spaces
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" 19.09.2007 NO g: missing before ada#Comment
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" Help Page: ft-vim-indent
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"------------------------------------------------------------------------------
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" ToDo:
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" Verify handling of multi-line exprs. and recovery upon the final ';'.
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" Correctly find comments given '"' and "" ==> " syntax.
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" Combine the two large block-indent functions into one?
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"------------------------------------------------------------------------------
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" Only load this indent file when no other was loaded.
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if exists("b:did_indent") || version < 700
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finish
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endif
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let b:did_indent = 45
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setlocal indentexpr=GetAdaIndent()
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setlocal indentkeys-=0{,0}
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setlocal indentkeys+=0=~then,0=~end,0=~elsif,0=~when,0=~exception,0=~begin,0=~is,0=~record
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" Only define the functions once.
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if exists("*GetAdaIndent")
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finish
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endif
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let s:keepcpo= &cpo
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set cpo&vim
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if exists("g:ada_with_gnat_project_files")
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let s:AdaBlockStart = '^\s*\(if\>\|while\>\|else\>\|elsif\>\|loop\>\|for\>.*\<\(loop\|use\)\>\|declare\>\|begin\>\|type\>.*\<is\>[^;]*$\|\(type\>.*\)\=\<record\>\|procedure\>\|function\>\|accept\>\|do\>\|task\>\|package\>\|project\>\|then\>\|when\>\|is\>\)'
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else
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let s:AdaBlockStart = '^\s*\(if\>\|while\>\|else\>\|elsif\>\|loop\>\|for\>.*\<\(loop\|use\)\>\|declare\>\|begin\>\|type\>.*\<is\>[^;]*$\|\(type\>.*\)\=\<record\>\|procedure\>\|function\>\|accept\>\|do\>\|task\>\|package\>\|then\>\|when\>\|is\>\)'
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endif
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" Section: s:MainBlockIndent {{{1
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"
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" Try to find indent of the block we're in
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" prev_indent = the previous line's indent
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" prev_lnum = previous line (to start looking on)
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" blockstart = expr. that indicates a possible start of this block
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" stop_at = if non-null, if a matching line is found, gives up!
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" No recursive previous block analysis: simply look for a valid line
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" with a lesser or equal indent than we currently (on prev_lnum) have.
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" This shouldn't work as well as it appears to with lines that are currently
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" nowhere near the correct indent (e.g., start of line)!
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" Seems to work OK as it 'starts' with the indent of the /previous/ line.
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function s:MainBlockIndent (prev_indent, prev_lnum, blockstart, stop_at)
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let lnum = a:prev_lnum
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let line = substitute( getline(lnum), g:ada#Comment, '', '' )
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while lnum > 1
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if a:stop_at != '' && line =~ '^\s*' . a:stop_at && indent(lnum) < a:prev_indent
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return a:prev_indent
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elseif line =~ '^\s*' . a:blockstart
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let ind = indent(lnum)
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if ind < a:prev_indent
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return ind
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endif
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endif
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let lnum = prevnonblank(lnum - 1)
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" Get previous non-blank/non-comment-only line
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while 1
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let line = substitute( getline(lnum), g:ada#Comment, '', '' )
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if line !~ '^\s*$' && line !~ '^\s*#'
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break
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endif
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let lnum = prevnonblank(lnum - 1)
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if lnum <= 0
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return a:prev_indent
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endif
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endwhile
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endwhile
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" Fallback - just move back one
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return a:prev_indent - shiftwidth()
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endfunction MainBlockIndent
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" Section: s:EndBlockIndent {{{1
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"
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" Try to find indent of the block we're in (and about to complete),
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" including handling of nested blocks. Works on the 'end' of a block.
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" prev_indent = the previous line's indent
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" prev_lnum = previous line (to start looking on)
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" blockstart = expr. that indicates a possible start of this block
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" blockend = expr. that indicates a possible end of this block
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function s:EndBlockIndent( prev_indent, prev_lnum, blockstart, blockend )
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let lnum = a:prev_lnum
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let line = getline(lnum)
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let ends = 0
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while lnum > 1
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if getline(lnum) =~ '^\s*' . a:blockstart
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let ind = indent(lnum)
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if ends <= 0
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if ind < a:prev_indent
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return ind
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endif
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else
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let ends = ends - 1
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endif
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elseif getline(lnum) =~ '^\s*' . a:blockend
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let ends = ends + 1
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endif
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let lnum = prevnonblank(lnum - 1)
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" Get previous non-blank/non-comment-only line
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while 1
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let line = getline(lnum)
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let line = substitute( line, g:ada#Comment, '', '' )
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if line !~ '^\s*$'
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break
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endif
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let lnum = prevnonblank(lnum - 1)
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if lnum <= 0
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return a:prev_indent
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endif
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endwhile
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endwhile
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" Fallback - just move back one
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return a:prev_indent - shiftwidth()
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endfunction EndBlockIndent
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" Section: s:StatementIndent {{{1
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"
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" Return indent of previous statement-start
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" (after we've indented due to multi-line statements).
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" This time, we start searching on the line *before* the one given (which is
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" the end of a statement - we want the previous beginning).
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function s:StatementIndent( current_indent, prev_lnum )
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let lnum = a:prev_lnum
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while lnum > 0
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let prev_lnum = lnum
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let lnum = prevnonblank(lnum - 1)
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" Get previous non-blank/non-comment-only line
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while 1
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let line = substitute( getline(lnum), g:ada#Comment, '', '' )
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if line !~ '^\s*$' && line !~ '^\s*#'
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break
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endif
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let lnum = prevnonblank(lnum - 1)
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if lnum <= 0
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return a:current_indent
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endif
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endwhile
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" Leave indent alone if our ';' line is part of a ';'-delineated
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" aggregate (e.g., procedure args.) or first line after a block start.
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if line =~ s:AdaBlockStart || line =~ '(\s*$'
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return a:current_indent
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endif
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if line !~ '[.=(]\s*$'
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let ind = indent(prev_lnum)
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if ind < a:current_indent
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return ind
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endif
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endif
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endwhile
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" Fallback - just use current one
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return a:current_indent
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endfunction StatementIndent
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" Section: GetAdaIndent {{{1
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"
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" Find correct indent of a new line based upon what went before
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"
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function GetAdaIndent()
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" Find a non-blank line above the current line.
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let lnum = prevnonblank(v:lnum - 1)
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let ind = indent(lnum)
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let package_line = 0
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" Get previous non-blank/non-comment-only/non-cpp line
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while 1
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let line = substitute( getline(lnum), g:ada#Comment, '', '' )
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if line !~ '^\s*$' && line !~ '^\s*#'
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break
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endif
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let lnum = prevnonblank(lnum - 1)
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if lnum <= 0
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return ind
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endif
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endwhile
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" Get default indent (from prev. line)
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let ind = indent(lnum)
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let initind = ind
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" Now check what's on the previous line
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if line =~ s:AdaBlockStart || line =~ '(\s*$'
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" Check for false matches to AdaBlockStart
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let false_match = 0
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if line =~ '^\s*\(procedure\|function\|package\)\>.*\<is\s*new\>'
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" Generic instantiation
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let false_match = 1
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elseif line =~ ')\s*;\s*$' || line =~ '^\([^(]*([^)]*)\)*[^(]*;\s*$'
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" forward declaration
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let false_match = 1
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endif
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" Move indent in
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if ! false_match
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let ind = ind + shiftwidth()
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endif
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elseif line =~ '^\s*\(case\|exception\)\>'
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" Move indent in twice (next 'when' will move back)
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let ind = ind + 2 * shiftwidth()
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elseif line =~ '^\s*end\s*record\>'
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" Move indent back to tallying 'type' preceding the 'record'.
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" Allow indent to be equal to 'end record's.
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let ind = s:MainBlockIndent( ind+shiftwidth(), lnum, 'type\>', '' )
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elseif line =~ '\(^\s*new\>.*\)\@<!)\s*[;,]\s*$'
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" Revert to indent of line that started this parenthesis pair
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exe lnum
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exe 'normal! $F)%'
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if getline('.') =~ '^\s*('
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" Dire layout - use previous indent (could check for g:ada#Comment here)
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let ind = indent( prevnonblank( line('.')-1 ) )
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else
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let ind = indent('.')
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endif
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exe v:lnum
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elseif line =~ '[.=(]\s*$'
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" A statement continuation - move in one
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let ind = ind + shiftwidth()
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elseif line =~ '^\s*new\>'
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" Multiple line generic instantiation ('package blah is\nnew thingy')
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let ind = s:StatementIndent( ind - shiftwidth(), lnum )
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elseif line =~ ';\s*$'
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" Statement end (but not 'end' ) - try to find current statement-start indent
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let ind = s:StatementIndent( ind, lnum )
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endif
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" Check for potential argument list on next line
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let continuation = (line =~ '[A-Za-z0-9_]\s*$')
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" Check current line; search for simplistic matching start-of-block
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let line = getline(v:lnum)
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if line =~ '^\s*#'
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" Start of line for ada-pp
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let ind = 0
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elseif continuation && line =~ '^\s*('
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" Don't do this if we've already indented due to the previous line
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if ind == initind
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let ind = ind + shiftwidth()
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endif
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elseif line =~ '^\s*\(begin\|is\)\>'
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let ind = s:MainBlockIndent( ind, lnum, '\(procedure\|function\|declare\|package\|task\)\>', 'begin\>' )
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elseif line =~ '^\s*record\>'
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let ind = s:MainBlockIndent( ind, lnum, 'type\>\|for\>.*\<use\>', '' ) + shiftwidth()
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elseif line =~ '^\s*\(else\|elsif\)\>'
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let ind = s:MainBlockIndent( ind, lnum, 'if\>', '' )
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elseif line =~ '^\s*when\>'
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" Align 'when' one /in/ from matching block start
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let ind = s:MainBlockIndent( ind, lnum, '\(case\|exception\)\>', '' ) + shiftwidth()
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elseif line =~ '^\s*end\>\s*\<if\>'
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" End of if statements
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let ind = s:EndBlockIndent( ind, lnum, 'if\>', 'end\>\s*\<if\>' )
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elseif line =~ '^\s*end\>\s*\<loop\>'
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" End of loops
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let ind = s:EndBlockIndent( ind, lnum, '\(\(while\|for\)\>.*\)\?\<loop\>', 'end\>\s*\<loop\>' )
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elseif line =~ '^\s*end\>\s*\<record\>'
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" End of records
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let ind = s:EndBlockIndent( ind, lnum, '\(type\>.*\)\=\<record\>', 'end\>\s*\<record\>' )
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elseif line =~ '^\s*end\>\s*\<procedure\>'
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" End of procedures
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let ind = s:EndBlockIndent( ind, lnum, 'procedure\>.*\<is\>', 'end\>\s*\<procedure\>' )
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elseif line =~ '^\s*end\>\s*\<case\>'
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" End of case statement
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let ind = s:EndBlockIndent( ind, lnum, 'case\>.*\<is\>', 'end\>\s*\<case\>' )
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elseif line =~ '^\s*end\>'
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" General case for end
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let ind = s:MainBlockIndent( ind, lnum, '\(if\|while\|for\|loop\|accept\|begin\|record\|case\|exception\|package\)\>', '' )
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elseif line =~ '^\s*exception\>'
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let ind = s:MainBlockIndent( ind, lnum, 'begin\>', '' )
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elseif line =~ '^\s*then\>'
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let ind = s:MainBlockIndent( ind, lnum, 'if\>', '' )
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endif
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return ind
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endfunction GetAdaIndent
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let &cpo = s:keepcpo
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unlet s:keepcpo
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finish " 1}}}
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"------------------------------------------------------------------------------
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" Copyright (C) 2006 Martin Krischik
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"
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" Vim is Charityware - see ":help license" or uganda.txt for licence details.
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"------------------------------------------------------------------------------
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" vim: textwidth=78 wrap tabstop=8 shiftwidth=3 softtabstop=3 noexpandtab
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" vim: foldmethod=marker
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