260 lines
6.8 KiB
VimL
260 lines
6.8 KiB
VimL
if !exists("g:go_godef_bin")
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let g:go_godef_bin = "godef"
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endif
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if go#vimproc#has_vimproc()
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let s:vim_system = get(g:, 'gocomplete#system_function', 'vimproc#system2')
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else
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let s:vim_system = get(g:, 'gocomplete#system_function', 'system')
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endif
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fu! s:system(str, ...)
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return call(s:vim_system, [a:str] + a:000)
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endf
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" modified and improved version of vim-godef
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function! go#def#Jump(...)
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if !len(a:000)
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let arg = "-o=" . go#util#OffsetCursor()
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else
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let arg = a:1
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endif
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let bin_path = go#path#CheckBinPath(g:go_godef_bin)
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if empty(bin_path)
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return
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endif
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let old_gopath = $GOPATH
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let $GOPATH = go#path#Detect()
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let fname = fnamemodify(expand("%"), ':p:gs?\\?/?')
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let command = bin_path . " -t -f=" . shellescape(fname) . " -i " . shellescape(arg)
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" get output of godef
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let out = s:system(command, join(getbufline(bufnr('%'), 1, '$'), go#util#LineEnding()))
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" First line is <file>:<line>:<col>
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" Second line is <identifier><space><type>
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let godefout=split(out, go#util#LineEnding())
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" jump to it
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call s:godefJump(godefout, "")
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let $GOPATH = old_gopath
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endfunction
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function! go#def#JumpMode(mode)
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let arg = "-o=" . go#util#OffsetCursor()
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let bin_path = go#path#CheckBinPath(g:go_godef_bin)
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if empty(bin_path)
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return
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endif
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let old_gopath = $GOPATH
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let $GOPATH = go#path#Detect()
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let fname = fnamemodify(expand("%"), ':p:gs?\\?/?')
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let command = bin_path . " -t -f=" . shellescape(fname) . " -i " . shellescape(arg)
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" get output of godef
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let out = s:system(command, join(getbufline(bufnr('%'), 1, '$'), go#util#LineEnding()))
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" First line is <file>:<line>:<col>
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" Second line is <identifier><space><type>
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let godefout=split(out, go#util#LineEnding())
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" jump to it
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call s:godefJump(godefout, a:mode)
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let $GOPATH = old_gopath
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endfunction
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function! s:getOffset()
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return "-o=" . go#util#OffsetCursor()
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endfunction
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function! s:godefJump(out, mode)
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let old_errorformat = &errorformat
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let &errorformat = "%f:%l:%c"
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" Location is the first line of godef output. Ideally in the proper format
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" but it could also be an error
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let location = a:out[0]
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" Echo the godef error if we had one.
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if location =~ 'godef: '
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let gderr=substitute(location, go#util#LineEnding() . '$', '', '')
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call go#util#EchoError(gderr)
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return
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endif
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let parts = split(a:out[0], ':')
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" parts[0] contains filename
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let fileName = parts[0]
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" Don't jump if it's the same identifier we just jumped to
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if len(w:go_stack) > 0 && w:go_stack[w:go_stack_level-1]['ident'] == a:out[1] && w:go_stack[w:go_stack_level-1]['file'] == fileName
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return
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endif
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" needed for restoring back user setting this is because there are two
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" modes of switchbuf which we need based on the split mode
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let old_switchbuf = &switchbuf
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if a:mode == "tab"
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let &switchbuf = "usetab"
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if bufloaded(fileName) == 0
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tab split
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endif
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elseif a:mode == "split"
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split
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elseif a:mode == "vsplit"
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vsplit
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else
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" Don't jump in this window if it's been modified
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if getbufvar(bufnr('%'), "&mod")
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call go#util#EchoError("No write since last change")
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return
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endif
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endif
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let stack_entry = {'line': line("."), 'col': col("."),
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\'file': expand('%:p'), 'ident': a:out[1]}
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" jump to file now
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call s:goToFileLocation(location)
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"
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" Remove anything newer than the current position, just like basic
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" vim tag support
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if w:go_stack_level == 0
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let w:go_stack = []
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else
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let w:go_stack = w:go_stack[0:w:go_stack_level-1]
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endif
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" increment the stack counter
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let w:go_stack_level += 1
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" push it on to the jumpstack
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call add(w:go_stack, stack_entry)
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let &switchbuf = old_switchbuf
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endfunction
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function! go#def#StackUI()
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if len(w:go_stack) == 0
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call go#util#EchoError("godef stack empty")
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return
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endif
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let stackOut = ['" <Up>,<Down>:navigate <Enter>:jump <Esc>,q:exit']
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let i = 0
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while i < len(w:go_stack)
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let entry = w:go_stack[i]
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let prefix = ""
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if i == w:go_stack_level
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let prefix = ">"
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else
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let prefix = " "
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endif
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call add(stackOut, printf("%s %d %s|%d col %d|%s", prefix, i+1, entry["file"], entry["line"], entry["col"], entry["ident"]))
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let i += 1
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endwhile
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if w:go_stack_level == i
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call add(stackOut, "> ")
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endif
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call go#ui#OpenWindow("GoDef Stack", stackOut, "godefstack")
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noremap <buffer> <silent> <CR> :<C-U>call go#def#SelectStackEntry()<CR>
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noremap <buffer> <silent> <Esc> :<C-U>call go#ui#CloseWindow()<CR>
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noremap <buffer> <silent> q :<C-U>call go#ui#CloseWindow()<CR>
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endfunction
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function! go#def#StackPop(...)
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if len(w:go_stack) == 0
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call go#util#EchoError("godef stack empty")
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return
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endif
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if w:go_stack_level == 0
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call go#util#EchoError("at bottom of the godef stack")
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return
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endif
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if !len(a:000)
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let numPop = 1
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else
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let numPop = a:1
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endif
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let newLevel = str2nr(w:go_stack_level) - str2nr(numPop)
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call go#def#StackJump(newLevel + 1)
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endfunction
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function! go#def#StackJump(...)
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if len(w:go_stack) == 0
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call go#util#EchoError("godef stack empty")
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return
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endif
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if !len(a:000)
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" Display interactive stack
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call go#def#StackUI()
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return
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else
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let jumpTarget= a:1
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endif
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if jumpTarget !~ '^\d\+$'
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if jumpTarget !~ '^\s*$'
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call go#util#EchoError("location must be a number")
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endif
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return
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endif
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let jumpTarget=str2nr(jumpTarget) - 1
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if jumpTarget >= 0 && jumpTarget < len(w:go_stack)
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let w:go_stack_level = jumpTarget
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let target = w:go_stack[w:go_stack_level]
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" jump
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call s:goToFileLocation(target["file"], target["line"], target["col"])
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else
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call go#util#EchoError("invalid godef stack location. Try :GoDefJump to see the list of valid entries")
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endif
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endfunction
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function! s:goToFileLocation(...)
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let old_errorformat = &errorformat
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let &errorformat = "%f:%l:%c"
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" put the error format into location list so we can jump automatically to
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" it
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if a:0 == 3
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lgetexpr printf("%s:%s:%s", a:1, a:2, a:3)
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elseif a:0 == 1
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lgetexpr a:1
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else
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lgetexpr ""
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endif
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sil ll 1
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normal zz
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let &errorformat = old_errorformat
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endfunction
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function! go#def#SelectStackEntry()
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let target_window = go#ui#GetReturnWindow()
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if empty(target_window)
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let target_window = winnr()
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endif
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let highlighted_stack_entry = matchstr(getline("."), '^..\zs\(\d\+\)')
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if !empty(highlighted_stack_entry)
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execute target_window . "wincmd w"
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call go#def#StackJump(str2nr(highlighted_stack_entry))
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endif
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call go#ui#CloseWindow()
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endfunction
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