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|
" Default pre- and post-compiler actions for SpotBugs
" Maintainers: @konfekt and @zzzyxwvut
" Last Change: 2024 Nov 27
let s:save_cpo = &cpo
set cpo&vim
if v:version > 900
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 &&
\ or((octad[6] << 8), 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.
make %:S
endfunction
" Look for "spotbugs#compiler" in "ftplugin/java.vim".
let s:compiler = exists('spotbugs#compiler') ? spotbugs#compiler : ''
let s:readable = filereadable($VIMRUNTIME . '/compiler/' . s:compiler . '.vim')
if s:readable && s:compiler ==# 'maven' && executable('mvn')
function! spotbugs#DefaultPreCompilerAction() abort
call spotbugs#DeleteClassFiles()
compiler maven
make compile
endfunction
function! spotbugs#DefaultPreCompilerTestAction() abort
call spotbugs#DeleteClassFiles()
compiler maven
make 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
make compile
endfunction
function! spotbugs#DefaultPreCompilerTestAction() abort
call spotbugs#DeleteClassFiles()
compiler ant
make 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')
function! spotbugs#DefaultPreCompilerAction() abort
call spotbugs#DeleteClassFiles()
compiler javac
if get(b:, 'javac_makeprg_params', get(g:, 'javac_makeprg_params', '')) =~ '\s@\S'
" Read options and filenames from @options [@sources ...].
make
else
" Let Javac figure out what files to compile.
execute 'make ' . join(map(filter(copy(v:argv),
\ "v:val =~# '\\.java\\=$'"),
\ 'shellescape(v:val)'), ' ')
endif
endfunction
function! spotbugs#DefaultPreCompilerTestAction() abort
call spotbugs#DefaultPreCompilerAction()
endfunction
function! spotbugs#DefaultProperties() abort
return {
\ 'PreCompilerAction':
\ function('spotbugs#DefaultPreCompilerAction'),
\ 'PreCompilerTestAction':
\ function('spotbugs#DefaultPreCompilerTestAction'),
\ 'PostCompilerAction':
\ function('spotbugs#DefaultPostCompilerAction'),
\ }
endfunction
unlet s:readable s:compiler
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
unlet s:readable
endif
let &cpo = s:save_cpo
unlet s:save_cpo
" vim: set foldmethod=syntax shiftwidth=2 expandtab:
|
