mirror of
https://github.com/amix/vimrc
synced 2024-12-14 06:02:32 +00:00
276 lines
7 KiB
VimL
276 lines
7 KiB
VimL
" ( ) motions
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" { } motions
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" s for sentence
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" p for paragraph
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" < >
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" t for tag
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function! go#textobj#Comment(mode) abort
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let l:fname = expand('%:p')
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try
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if &modified
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let l:tmpname = tempname()
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call writefile(go#util#GetLines(), l:tmpname)
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let l:fname = l:tmpname
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endif
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let l:cmd = ['motion',
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\ '-format', 'json',
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\ '-file', l:fname,
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\ '-offset', go#util#OffsetCursor(),
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\ '-mode', 'comment',
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\ ]
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let [l:out, l:err] = go#util#Exec(l:cmd)
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if l:err
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call go#util#EchoError(l:out)
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return
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endif
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finally
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if exists("l:tmpname")
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call delete(l:tmpname)
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endif
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endtry
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let l:result = json_decode(l:out)
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if type(l:result) != 4 || !has_key(l:result, 'comment')
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return
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endif
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let l:info = l:result.comment
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call cursor(l:info.startLine, l:info.startCol)
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" Adjust cursor to exclude start comment markers. Try to be a little bit
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" clever when using multi-line '/*' markers.
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if a:mode is# 'i'
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" trim whitespace so matching below works correctly
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let l:line = substitute(getline('.'), '^\s*\(.\{-}\)\s*$', '\1', '')
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" //text
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if l:line[:2] is# '// '
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call cursor(l:info.startLine, l:info.startCol+3)
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" // text
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elseif l:line[:1] is# '//'
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call cursor(l:info.startLine, l:info.startCol+2)
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" /*
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" text
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elseif l:line =~# '^/\* *$'
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call cursor(l:info.startLine+1, 0)
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" /*
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" * text
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if getline('.')[:2] is# ' * '
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call cursor(l:info.startLine+1, 4)
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" /*
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" *text
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elseif getline('.')[:1] is# ' *'
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call cursor(l:info.startLine+1, 3)
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endif
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" /* text
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elseif l:line[:2] is# '/* '
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call cursor(l:info.startLine, l:info.startCol+3)
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" /*text
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elseif l:line[:1] is# '/*'
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call cursor(l:info.startLine, l:info.startCol+2)
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endif
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endif
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normal! v
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" Exclude trailing newline.
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if a:mode is# 'i'
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let l:info.endCol -= 1
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endif
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call cursor(l:info.endLine, l:info.endCol)
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" Exclude trailing '*/'.
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if a:mode is# 'i'
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let l:line = getline('.')
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" text
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" */
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if l:line =~# '^ *\*/$'
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call cursor(l:info.endLine - 1, len(getline(l:info.endLine - 1)))
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" text */
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elseif l:line[-3:] is# ' */'
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call cursor(l:info.endLine, l:info.endCol - 3)
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" text*/
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elseif l:line[-2:] is# '*/'
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call cursor(l:info.endLine, l:info.endCol - 2)
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endif
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endif
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endfunction
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" Select a function in visual mode.
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function! go#textobj#Function(mode) abort
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let l:fname = expand("%:p")
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if &modified
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let l:tmpname = tempname()
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call writefile(go#util#GetLines(), l:tmpname)
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let l:fname = l:tmpname
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endif
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let l:cmd = ['motion',
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\ '-format', 'vim',
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\ '-file', l:fname,
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\ '-offset', go#util#OffsetCursor(),
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\ '-mode', 'enclosing',
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\ ]
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if go#config#TextobjIncludeFunctionDoc()
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let l:cmd += ['-parse-comments']
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endif
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let [l:out, l:err] = go#util#Exec(l:cmd)
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if l:err
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call go#util#EchoError(out)
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return
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endif
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" if exists, delete it as we don't need it anymore
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if exists("l:tmpname")
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call delete(l:tmpname)
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endif
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" convert our string dict representation into native Vim dictionary type
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let result = eval(out)
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if type(result) != 4 || !has_key(result, 'fn')
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return
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endif
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let info = result.fn
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if a:mode == 'a'
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" anonymous functions doesn't have associated doc. Also check if the user
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" want's to include doc comments for function declarations
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if has_key(info, 'doc') && go#config#TextobjIncludeFunctionDoc()
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call cursor(info.doc.line, info.doc.col)
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elseif info['sig']['name'] == '' && go#config#TextobjIncludeVariable()
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" one liner anonymous functions
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if info.lbrace.line == info.rbrace.line
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" jump to first nonblack char, to get the correct column
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call cursor(info.lbrace.line, 0 )
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normal! ^
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call cursor(info.func.line, col("."))
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else
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call cursor(info.func.line, info.rbrace.col)
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endif
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else
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call cursor(info.func.line, info.func.col)
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endif
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normal! v
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call cursor(info.rbrace.line, info.rbrace.col)
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return
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endif
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" rest is inner mode, a:mode == 'i'
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" if the function is a one liner we need to select only that portion
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if info.lbrace.line == info.rbrace.line
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call cursor(info.lbrace.line, info.lbrace.col+1)
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normal! v
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call cursor(info.rbrace.line, info.rbrace.col-1)
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return
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endif
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call cursor(info.lbrace.line+1, 1)
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normal! V
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call cursor(info.rbrace.line-1, 1)
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endfunction
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" Get the location of the previous or next function.
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function! go#textobj#FunctionLocation(direction, cnt) abort
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let l:fname = expand("%:p")
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if &modified
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" Write current unsaved buffer to a temp file and use the modified content
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let l:tmpname = tempname()
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call writefile(go#util#GetLines(), l:tmpname)
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let l:fname = l:tmpname
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endif
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let l:cmd = ['motion',
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\ '-format', 'vim',
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\ '-file', l:fname,
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\ '-offset', go#util#OffsetCursor(),
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\ '-shift', a:cnt,
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\ '-mode', a:direction,
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\ ]
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if go#config#TextobjIncludeFunctionDoc()
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let l:cmd += ['-parse-comments']
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endif
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let [l:out, l:err] = go#util#Exec(l:cmd)
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if l:err
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call go#util#EchoError(out)
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return
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endif
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" if exists, delete it as we don't need it anymore
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if exists("l:tmpname")
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call delete(l:tmpname)
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endif
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let l:result = json_decode(out)
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if type(l:result) != 4 || !has_key(l:result, 'fn')
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return 0
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endif
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return l:result
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endfunction
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function! go#textobj#FunctionJump(mode, direction) abort
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" get count of the motion. This should be done before all the normal
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" expressions below as those reset this value(because they have zero
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" count!). We abstract -1 because the index starts from 0 in motion.
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let l:cnt = v:count1 - 1
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" set context mark so we can jump back with '' or ``
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normal! m'
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" select already previously selected visual content and continue from there.
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" If it's the first time starts with the visual mode. This is needed so
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" after selecting something in visual mode, every consecutive motion
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" continues.
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if a:mode == 'v'
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normal! gv
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endif
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let l:result = go#textobj#FunctionLocation(a:direction, l:cnt)
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if l:result is 0
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return
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endif
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" we reached the end and there are no functions. The usual [[ or ]] jumps to
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" the top or bottom, we'll do the same.
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if type(result) == 4 && has_key(result, 'err') && result.err == "no functions found"
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if a:direction == 'next'
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keepjumps normal! G
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else " 'prev'
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keepjumps normal! gg
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endif
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return
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endif
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let info = result.fn
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" if we select something ,select all function
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if a:mode == 'v' && a:direction == 'next'
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keepjumps call cursor(info.rbrace.line, 1)
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return
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endif
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if a:mode == 'v' && a:direction == 'prev'
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if has_key(info, 'doc') && go#config#TextobjIncludeFunctionDoc()
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keepjumps call cursor(info.doc.line, 1)
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else
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keepjumps call cursor(info.func.line, 1)
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endif
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return
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endif
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keepjumps call cursor(info.func.line, 1)
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endfunction
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" vim: sw=2 ts=2 et
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