224 lines
6.4 KiB
VimL
224 lines
6.4 KiB
VimL
" -*- text -*-
|
|
" oracle.vim -- Vim integration for the Go oracle.
|
|
"
|
|
" Part of this plugin was taken directly from the oracle repo, however it's
|
|
" massively changed for a better integration into vim-go. Thanks Alan Donovan
|
|
" for the first iteration based on quickfix! - fatih arslan
|
|
"
|
|
"
|
|
|
|
if !exists("g:go_oracle_bin")
|
|
let g:go_oracle_bin = "oracle"
|
|
endif
|
|
|
|
func! s:qflist(output)
|
|
let qflist = []
|
|
" Parse GNU-style 'file:line.col-line.col: message' format.
|
|
let mx = '^\(\a:[\\/][^:]\+\|[^:]\+\):\(\d\+\):\(\d\+\):\(.*\)$'
|
|
for line in split(a:output, "\n")
|
|
let ml = matchlist(line, mx)
|
|
" Ignore non-match lines or warnings
|
|
if ml == [] || ml[4] =~ '^ warning:'
|
|
continue
|
|
endif
|
|
let item = {
|
|
\ 'filename': ml[1],
|
|
\ 'text': ml[4],
|
|
\ 'lnum': ml[2],
|
|
\ 'col': ml[3],
|
|
\}
|
|
let bnr = bufnr(fnameescape(ml[1]))
|
|
if bnr != -1
|
|
let item['bufnr'] = bnr
|
|
endif
|
|
call add(qflist, item)
|
|
endfor
|
|
call setqflist(qflist)
|
|
cwindow
|
|
endfun
|
|
|
|
func! s:getpos(l, c)
|
|
if &encoding != 'utf-8'
|
|
let buf = a:l == 1 ? '' : (join(getline(1, a:l-1), "\n") . "\n")
|
|
let buf .= a:c == 1 ? '' : getline('.')[:a:c-2]
|
|
return len(iconv(buf, &encoding, 'utf-8'))
|
|
endif
|
|
return line2byte(a:l) + (a:c-2)
|
|
endfun
|
|
|
|
func! s:RunOracle(mode, selected) range abort
|
|
let fname = expand('%:p')
|
|
let dname = expand('%:p:h')
|
|
let pkg = go#package#ImportPath(dname)
|
|
|
|
if exists('g:go_oracle_scope_file')
|
|
" let the user defines the scope
|
|
let sname = shellescape(get(g:, 'go_oracle_scope_file'))
|
|
elseif exists('g:go_oracle_include_tests') && pkg != -1
|
|
" give import path so it includes all _test.go files too
|
|
let sname = shellescape(pkg)
|
|
else
|
|
" best usable way, only pass the package itself, without the test
|
|
" files
|
|
let sname = join(go#tool#Files(), ' ')
|
|
endif
|
|
|
|
"return with a warning if the bin doesn't exist
|
|
let bin_path = go#tool#BinPath(g:go_oracle_bin)
|
|
if empty(bin_path)
|
|
return
|
|
endif
|
|
|
|
if a:selected != -1
|
|
let pos1 = s:getpos(line("'<"), col("'<"))
|
|
let pos2 = s:getpos(line("'>"), col("'>"))
|
|
let cmd = printf('%s -format json -pos=%s:#%d,#%d %s %s',
|
|
\ bin_path,
|
|
\ shellescape(fname), pos1, pos2, a:mode, sname)
|
|
else
|
|
let pos = s:getpos(line('.'), col('.'))
|
|
let cmd = printf('%s -format json -pos=%s:#%d %s %s',
|
|
\ bin_path,
|
|
\ shellescape(fname), pos, a:mode, sname)
|
|
endif
|
|
|
|
echon "vim-go: " | echohl Identifier | echon "analysing ..." | echohl None
|
|
|
|
let out = system(cmd)
|
|
if v:shell_error
|
|
" unfortunaly oracle outputs a very long stack trace that is not
|
|
" parsable to show the real error. But the main issue is usually the
|
|
" package which doesn't build.
|
|
" echo out
|
|
" redraw | echon 'vim-go: could not run static analyser (does it build?)'
|
|
redraw | echon "vim-go: " | echohl Statement | echon out | echohl None
|
|
return {}
|
|
else
|
|
let json_decoded = webapi#json#decode(out)
|
|
return json_decoded
|
|
endif
|
|
endfun
|
|
|
|
|
|
" Show 'implements' relation for selected package
|
|
function! go#oracle#Implements(selected)
|
|
let out = s:RunOracle('implements', a:selected)
|
|
if empty(out)
|
|
return
|
|
endif
|
|
|
|
" be sure they exists before we retrieve them from the map
|
|
if !has_key(out, "implements")
|
|
return
|
|
endif
|
|
|
|
if has_key(out.implements, "from")
|
|
let interfaces = out.implements.from
|
|
elseif has_key(out.implements, "fromptr")
|
|
let interfaces = out.implements.fromptr
|
|
else
|
|
redraw | echon "vim-go: " | echon "does not satisfy any interface"| echohl None
|
|
return
|
|
endif
|
|
|
|
" get the type name from the type under the cursor
|
|
let typeName = out.implements.type.name
|
|
|
|
" prepare the title
|
|
let title = typeName . " implements:"
|
|
|
|
" start to populate our buffer content
|
|
let result = [title, ""]
|
|
|
|
for interface in interfaces
|
|
" don't add runtime interfaces
|
|
if interface.name !~ '^runtime'
|
|
let line = interface.name . "\t" . interface.pos
|
|
call add(result, line)
|
|
endif
|
|
endfor
|
|
|
|
" open a window and put the result
|
|
call go#ui#OpenWindow(result)
|
|
|
|
" define some buffer related mappings:
|
|
"
|
|
" go to definition when hit enter
|
|
nnoremap <buffer> <CR> :<C-u>call go#ui#OpenDefinition()<CR>
|
|
" close the window when hit ctrl-c
|
|
nnoremap <buffer> <c-c> :<C-u>call go#ui#CloseWindow()<CR>
|
|
endfunction
|
|
|
|
" Describe selected syntax: definition, methods, etc
|
|
function! go#oracle#Describe(selected)
|
|
let out = s:RunOracle('describe', a:selected)
|
|
if empty(out)
|
|
return
|
|
endif
|
|
|
|
echo out
|
|
return
|
|
|
|
let detail = out["describe"]["detail"]
|
|
let desc = out["describe"]["desc"]
|
|
|
|
echo '# detail: '. detail
|
|
" package, constant, variable, type, function or statement labe
|
|
if detail == "package"
|
|
echo desc
|
|
return
|
|
endif
|
|
|
|
if detail == "value"
|
|
echo desc
|
|
echo out["describe"]["value"]
|
|
return
|
|
endif
|
|
|
|
" the rest needs to be implemented
|
|
echo desc
|
|
endfunction
|
|
|
|
" Show possible targets of selected function call
|
|
function! go#oracle#Callees(selected)
|
|
let out = s:RunOracle('callees', a:selected)
|
|
echo out
|
|
endfunction
|
|
|
|
" Show possible callers of selected function
|
|
function! go#oracle#Callers(selected)
|
|
let out = s:RunOracle('callers', a:selected)
|
|
echo out
|
|
endfunction
|
|
|
|
" Show the callgraph of the current program.
|
|
function! go#oracle#Callgraph(selected)
|
|
let out = s:RunOracle('callgraph', a:selected)
|
|
echo out
|
|
endfunction
|
|
|
|
" Show path from callgraph root to selected function
|
|
function! go#oracle#Callstack(selected)
|
|
let out = s:RunOracle('callstack', a:selected)
|
|
echo out
|
|
endfunction
|
|
|
|
" Show free variables of selection
|
|
function! go#oracle#Freevars(selected)
|
|
let out = s:RunOracle('freevars', a:selected)
|
|
echo out
|
|
endfunction
|
|
|
|
" Show send/receive corresponding to selected channel op
|
|
function! go#oracle#Peers(selected)
|
|
let out = s:RunOracle('peers', a:selected)
|
|
echo out
|
|
endfunction
|
|
|
|
" Show all refs to entity denoted by selected identifier
|
|
function! go#oracle#Referrers(selected)
|
|
let out = s:RunOracle('referrers', a:selected)
|
|
echo out
|
|
endfunction
|
|
|
|
" vim:ts=4:sw=4:et
|