/usr/share/vim/vim80/indent/java.vim is in vim-runtime 2:8.0.1453-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | " Vim indent file
" Language: Java
" Previous Maintainer: Toby Allsopp <toby.allsopp@peace.com>
" Current Maintainer: Hong Xu <hong@topbug.net>
" Homepage: http://www.vim.org/scripts/script.php?script_id=3899
" https://github.com/xuhdev/indent-java.vim
" Last Change: 2016 Mar 7
" Version: 1.1
" License: Same as Vim.
" Copyright (c) 2012-2016 Hong Xu
" Before 2012, this file was maintained by Toby Allsopp.
" Only load this indent file when no other was loaded.
if exists("b:did_indent")
finish
endif
let b:did_indent = 1
" Indent Java anonymous classes correctly.
setlocal cindent cinoptions& cinoptions+=j1
" The "extends" and "implements" lines start off with the wrong indent.
setlocal indentkeys& indentkeys+=0=extends indentkeys+=0=implements
" Set the function to do the work.
setlocal indentexpr=GetJavaIndent()
let b:undo_indent = "set cin< cino< indentkeys< indentexpr<"
" Only define the function once.
if exists("*GetJavaIndent")
finish
endif
let s:keepcpo= &cpo
set cpo&vim
function! SkipJavaBlanksAndComments(startline)
let lnum = a:startline
while lnum > 1
let lnum = prevnonblank(lnum)
if getline(lnum) =~ '\*/\s*$'
while getline(lnum) !~ '/\*' && lnum > 1
let lnum = lnum - 1
endwhile
if getline(lnum) =~ '^\s*/\*'
let lnum = lnum - 1
else
break
endif
elseif getline(lnum) =~ '^\s*//'
let lnum = lnum - 1
else
break
endif
endwhile
return lnum
endfunction
function GetJavaIndent()
" Java is just like C; use the built-in C indenting and then correct a few
" specific cases.
let theIndent = cindent(v:lnum)
" If we're in the middle of a comment then just trust cindent
if getline(v:lnum) =~ '^\s*\*'
return theIndent
endif
" find start of previous line, in case it was a continuation line
let lnum = SkipJavaBlanksAndComments(v:lnum - 1)
" If the previous line starts with '@', we should have the same indent as
" the previous one
if getline(lnum) =~ '^\s*@.*$'
return indent(lnum)
endif
let prev = lnum
while prev > 1
let next_prev = SkipJavaBlanksAndComments(prev - 1)
if getline(next_prev) !~ ',\s*$'
break
endif
let prev = next_prev
endwhile
" Try to align "throws" lines for methods and "extends" and "implements" for
" classes.
if getline(v:lnum) =~ '^\s*\(throws\|extends\|implements\)\>'
\ && getline(lnum) !~ '^\s*\(throws\|extends\|implements\)\>'
let theIndent = theIndent + shiftwidth()
endif
" correct for continuation lines of "throws", "implements" and "extends"
let cont_kw = matchstr(getline(prev),
\ '^\s*\zs\(throws\|implements\|extends\)\>\ze.*,\s*$')
if strlen(cont_kw) > 0
let amount = strlen(cont_kw) + 1
if getline(lnum) !~ ',\s*$'
let theIndent = theIndent - (amount + shiftwidth())
if theIndent < 0
let theIndent = 0
endif
elseif prev == lnum
let theIndent = theIndent + amount
if cont_kw ==# 'throws'
let theIndent = theIndent + shiftwidth()
endif
endif
elseif getline(prev) =~ '^\s*\(throws\|implements\|extends\)\>'
\ && (getline(prev) =~ '{\s*$'
\ || getline(v:lnum) =~ '^\s*{\s*$')
let theIndent = theIndent - shiftwidth()
endif
" When the line starts with a }, try aligning it with the matching {,
" skipping over "throws", "extends" and "implements" clauses.
if getline(v:lnum) =~ '^\s*}\s*\(//.*\|/\*.*\)\=$'
call cursor(v:lnum, 1)
silent normal! %
let lnum = line('.')
if lnum < v:lnum
while lnum > 1
let next_lnum = SkipJavaBlanksAndComments(lnum - 1)
if getline(lnum) !~ '^\s*\(throws\|extends\|implements\)\>'
\ && getline(next_lnum) !~ ',\s*$'
break
endif
let lnum = prevnonblank(next_lnum)
endwhile
return indent(lnum)
endif
endif
" Below a line starting with "}" never indent more. Needed for a method
" below a method with an indented "throws" clause.
let lnum = SkipJavaBlanksAndComments(v:lnum - 1)
if getline(lnum) =~ '^\s*}\s*\(//.*\|/\*.*\)\=$' && indent(lnum) < theIndent
let theIndent = indent(lnum)
endif
return theIndent
endfunction
let &cpo = s:keepcpo
unlet s:keepcpo
" vi: sw=2 et
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