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|
" Default pre- and post-compiler actions and commands for SpotBugs
" Maintainers: @konfekt and @zzzyxwvut
" Last Change: 2024 Dec 08
let s:save_cpo = &cpo
set cpo&vim
" Look for the setting of "g:spotbugs#state" in "ftplugin/java.vim".
let s:state = get(g:, 'spotbugs#state', {})
let s:commands = get(s:state, 'commands', {})
let s:compiler = get(s:state, 'compiler', '')
let s:readable = filereadable($VIMRUNTIME . '/compiler/' . s:compiler . '.vim')
if has_key(s:commands, 'DefaultPreCompilerCommand')
let g:SpotBugsPreCompilerCommand = s:commands.DefaultPreCompilerCommand
else
function! s:DefaultPreCompilerCommand(arguments) abort
execute 'make ' . a:arguments
cc
endfunction
let g:SpotBugsPreCompilerCommand = function('s:DefaultPreCompilerCommand')
endif
if has_key(s:commands, 'DefaultPreCompilerTestCommand')
let g:SpotBugsPreCompilerTestCommand = s:commands.DefaultPreCompilerTestCommand
else
function! s:DefaultPreCompilerTestCommand(arguments) abort
execute 'make ' . a:arguments
cc
endfunction
let g:SpotBugsPreCompilerTestCommand = function('s:DefaultPreCompilerTestCommand')
endif
if has_key(s:commands, 'DefaultPostCompilerCommand')
let g:SpotBugsPostCompilerCommand = s:commands.DefaultPostCompilerCommand
else
function! s:DefaultPostCompilerCommand(arguments) abort
execute 'make ' . a:arguments
endfunction
let g:SpotBugsPostCompilerCommand = function('s:DefaultPostCompilerCommand')
endif
if v:version > 900 || has('nvim')
function! spotbugs#DeleteClassFiles() abort
if !exists('b:spotbugs_class_files')
return
endif
for pathname in b:spotbugs_class_files
let classname = pathname =~# "^'.\\+\\.class'$"
\ ? eval(pathname)
\ : pathname
if classname =~# '\.class$' && filereadable(classname)
" Since v9.0.0795.
let octad = readblob(classname, 0, 8)
" Test the magic number and the major version number (45 for v1.0).
" Since v9.0.2027.
if len(octad) == 8 && octad[0 : 3] == 0zcafe.babe &&
" Nvim: no << operator
"\ or((octad[6] << 8), octad[7]) >= 45
\ or((octad[6] * 256), octad[7]) >= 45
echomsg printf('Deleting %s: %d', classname, delete(classname))
endif
endif
endfor
let b:spotbugs_class_files = []
endfunction
else
function! s:DeleteClassFilesWithNewLineCodes(classname) abort
" The distribution of "0a"s in class file versions 2560 and 2570:
"
" 0zca.fe.ba.be.00.00.0a.00 0zca.fe.ba.be.00.00.0a.0a
" 0zca.fe.ba.be.00.0a.0a.00 0zca.fe.ba.be.00.0a.0a.0a
" 0zca.fe.ba.be.0a.00.0a.00 0zca.fe.ba.be.0a.00.0a.0a
" 0zca.fe.ba.be.0a.0a.0a.00 0zca.fe.ba.be.0a.0a.0a.0a
let numbers = [0, 0, 0, 0, 0, 0, 0, 0]
let offset = 0
let lines = readfile(a:classname, 'b', 4)
" Track NL byte counts to handle files of less than 8 bytes.
let nl_cnt = len(lines)
" Track non-NL byte counts for "0zca.fe.ba.be.0a.0a.0a.0a".
let non_nl_cnt = 0
for line in lines
for idx in range(strlen(line))
" Remap NLs to Nuls.
let numbers[offset] = (line[idx] == "\n") ? 0 : char2nr(line[idx]) % 256
let non_nl_cnt += 1
let offset += 1
if offset > 7
break
endif
endfor
let nl_cnt -= 1
if offset > 7 || (nl_cnt < 1 && non_nl_cnt > 4)
break
endif
" Reclaim NLs.
let numbers[offset] = 10
let offset += 1
if offset > 7
break
endif
endfor
" Test the magic number and the major version number (45 for v1.0).
if offset > 7 && numbers[0] == 0xca && numbers[1] == 0xfe &&
\ numbers[2] == 0xba && numbers[3] == 0xbe &&
\ (numbers[6] * 256 + numbers[7]) >= 45
echomsg printf('Deleting %s: %d', a:classname, delete(a:classname))
endif
endfunction
function! spotbugs#DeleteClassFiles() abort
if !exists('b:spotbugs_class_files')
return
endif
let encoding = &encoding
try
set encoding=latin1
for pathname in b:spotbugs_class_files
let classname = pathname =~# "^'.\\+\\.class'$"
\ ? eval(pathname)
\ : pathname
if classname =~# '\.class$' && filereadable(classname)
let line = get(readfile(classname, 'b', 1), 0, '')
let length = strlen(line)
" Test the magic number and the major version number (45 for v1.0).
if length > 3 && line[0 : 3] == "\xca\xfe\xba\xbe"
if length > 7 && ((line[6] == "\n" ? 0 : char2nr(line[6]) % 256) * 256 +
\ (line[7] == "\n" ? 0 : char2nr(line[7]) % 256)) >= 45
echomsg printf('Deleting %s: %d', classname, delete(classname))
else
call s:DeleteClassFilesWithNewLineCodes(classname)
endif
endif
endif
endfor
finally
let &encoding = encoding
endtry
let b:spotbugs_class_files = []
endfunction
endif
function! spotbugs#DefaultPostCompilerAction() abort
" Since v7.4.191.
call call(g:SpotBugsPostCompilerCommand, ['%:S'])
endfunction
if s:readable && s:compiler ==# 'maven' && executable('mvn')
function! spotbugs#DefaultPreCompilerAction() abort
call spotbugs#DeleteClassFiles()
compiler maven
call call(g:SpotBugsPreCompilerCommand, ['compile'])
endfunction
function! spotbugs#DefaultPreCompilerTestAction() abort
call spotbugs#DeleteClassFiles()
compiler maven
call call(g:SpotBugsPreCompilerTestCommand, ['test-compile'])
endfunction
function! spotbugs#DefaultProperties() abort
return {
\ 'PreCompilerAction':
\ function('spotbugs#DefaultPreCompilerAction'),
\ 'PreCompilerTestAction':
\ function('spotbugs#DefaultPreCompilerTestAction'),
\ 'PostCompilerAction':
\ function('spotbugs#DefaultPostCompilerAction'),
\ 'sourceDirPath': ['src/main/java'],
\ 'classDirPath': ['target/classes'],
\ 'testSourceDirPath': ['src/test/java'],
\ 'testClassDirPath': ['target/test-classes'],
\ }
endfunction
unlet s:readable s:compiler
elseif s:readable && s:compiler ==# 'ant' && executable('ant')
function! spotbugs#DefaultPreCompilerAction() abort
call spotbugs#DeleteClassFiles()
compiler ant
call call(g:SpotBugsPreCompilerCommand, ['compile'])
endfunction
function! spotbugs#DefaultPreCompilerTestAction() abort
call spotbugs#DeleteClassFiles()
compiler ant
call call(g:SpotBugsPreCompilerTestCommand, ['compile-test'])
endfunction
function! spotbugs#DefaultProperties() abort
return {
\ 'PreCompilerAction':
\ function('spotbugs#DefaultPreCompilerAction'),
\ 'PreCompilerTestAction':
\ function('spotbugs#DefaultPreCompilerTestAction'),
\ 'PostCompilerAction':
\ function('spotbugs#DefaultPostCompilerAction'),
\ 'sourceDirPath': ['src'],
\ 'classDirPath': ['build/classes'],
\ 'testSourceDirPath': ['test'],
\ 'testClassDirPath': ['build/test/classes'],
\ }
endfunction
unlet s:readable s:compiler
elseif s:readable && s:compiler ==# 'javac' && executable('javac')
let s:filename = tempname()
function! spotbugs#DefaultPreCompilerAction() abort
call spotbugs#DeleteClassFiles()
compiler javac
if get(b:, 'javac_makeprg_params', get(g:, 'javac_makeprg_params', '')) =~ '\s@\S'
" Only read options and filenames from @options [@sources ...] and do
" not update these files when filelists change.
call call(g:SpotBugsPreCompilerCommand, [''])
else
" Collect filenames so that Javac can figure out what to compile.
let filelist = []
for arg_num in range(argc(-1))
let arg_name = argv(arg_num)
if arg_name =~# '\.java\=$'
call add(filelist, fnamemodify(arg_name, ':p:S'))
endif
endfor
for buf_num in range(1, bufnr('$'))
if !buflisted(buf_num)
continue
endif
let buf_name = bufname(buf_num)
if buf_name =~# '\.java\=$'
let buf_name = fnamemodify(buf_name, ':p:S')
if index(filelist, buf_name) < 0
call add(filelist, buf_name)
endif
endif
endfor
noautocmd call writefile(filelist, s:filename)
call call(g:SpotBugsPreCompilerCommand, [shellescape('@' . s:filename)])
endif
endfunction
function! spotbugs#DefaultPreCompilerTestAction() abort
call spotbugs#DefaultPreCompilerAction()
endfunction
function! spotbugs#DefaultProperties() abort
return {
\ 'PreCompilerAction':
\ function('spotbugs#DefaultPreCompilerAction'),
\ 'PostCompilerAction':
\ function('spotbugs#DefaultPostCompilerAction'),
\ }
endfunction
unlet s:readable s:compiler g:SpotBugsPreCompilerTestCommand
delfunction! s:DefaultPreCompilerTestCommand
else
function! spotbugs#DefaultPreCompilerAction() abort
echomsg printf('Not supported: "%s"', s:compiler)
endfunction
function! spotbugs#DefaultPreCompilerTestAction() abort
call spotbugs#DefaultPreCompilerAction()
endfunction
function! spotbugs#DefaultProperties() abort
return {}
endfunction
" XXX: Keep "s:compiler" around for "spotbugs#DefaultPreCompilerAction()",
" "s:DefaultPostCompilerCommand" -- "spotbugs#DefaultPostCompilerAction()".
unlet s:readable g:SpotBugsPreCompilerCommand g:SpotBugsPreCompilerTestCommand
delfunction! s:DefaultPreCompilerCommand
delfunction! s:DefaultPreCompilerTestCommand
endif
function! s:DefineBufferAutocmd(event, ...) abort
if !exists('#java_spotbugs#User')
return 1
endif
for l:event in insert(copy(a:000), a:event)
if l:event != 'User'
execute printf('silent! autocmd! java_spotbugs %s <buffer>', l:event)
execute printf('autocmd java_spotbugs %s <buffer> doautocmd User', l:event)
endif
endfor
return 0
endfunction
function! s:RemoveBufferAutocmd(event, ...) abort
if !exists('#java_spotbugs')
return 1
endif
for l:event in insert(copy(a:000), a:event)
if l:event != 'User'
execute printf('silent! autocmd! java_spotbugs %s <buffer>', l:event)
endif
endfor
return 0
endfunction
" Documented in ":help compiler-spotbugs".
command! -bar -nargs=+ -complete=event SpotBugsDefineBufferAutocmd
\ call s:DefineBufferAutocmd(<f-args>)
command! -bar -nargs=+ -complete=event SpotBugsRemoveBufferAutocmd
\ call s:RemoveBufferAutocmd(<f-args>)
let &cpo = s:save_cpo
unlet s:commands s:state s:save_cpo
" vim: set foldmethod=syntax shiftwidth=2 expandtab:
|
