905 lines
24 KiB
VimL
905 lines
24 KiB
VimL
scriptencoding utf-8
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if !exists('g:go_debug_windows')
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let g:go_debug_windows = {
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\ 'stack': 'leftabove 20vnew',
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\ 'out': 'botright 10new',
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\ 'vars': 'leftabove 30vnew',
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\ }
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endif
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if !exists('g:go_debug_address')
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let g:go_debug_address = '127.0.0.1:8181'
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endif
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if !exists('s:state')
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let s:state = {
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\ 'rpcid': 1,
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\ 'running': 0,
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\ 'breakpoint': {},
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\ 'currentThread': {},
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\ 'localVars': {},
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\ 'functionArgs': {},
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\ 'message': [],
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\ 'is_test': 0,
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\}
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if go#util#HasDebug('debugger-state')
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let g:go_debug_diag = s:state
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endif
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endif
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if !exists('s:start_args')
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let s:start_args = []
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endif
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function! s:groutineID() abort
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return s:state['currentThread'].goroutineID
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endfunction
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function! s:exit(job, status) abort
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if has_key(s:state, 'job')
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call remove(s:state, 'job')
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endif
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call s:clearState()
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if a:status > 0
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call go#util#EchoError(s:state['message'])
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endif
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endfunction
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function! s:logger(prefix, ch, msg) abort
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let l:cur_win = bufwinnr('')
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let l:log_win = bufwinnr(bufnr('__GODEBUG_OUTPUT__'))
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if l:log_win == -1
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return
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endif
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exe l:log_win 'wincmd w'
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try
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setlocal modifiable
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if getline(1) == ''
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call setline('$', a:prefix . a:msg)
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else
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call append('$', a:prefix . a:msg)
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endif
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normal! G
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setlocal nomodifiable
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finally
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exe l:cur_win 'wincmd w'
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endtry
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endfunction
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function! s:call_jsonrpc(method, ...) abort
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if go#util#HasDebug('debugger-commands')
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if !exists('g:go_debug_commands')
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let g:go_debug_commands = []
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endif
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echom 'sending to dlv ' . a:method
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endif
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if len(a:000) > 0 && type(a:000[0]) == v:t_func
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let Cb = a:000[0]
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let args = a:000[1:]
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else
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let Cb = v:none
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let args = a:000
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endif
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let s:state['rpcid'] += 1
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let req_json = json_encode({
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\ 'id': s:state['rpcid'],
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\ 'method': a:method,
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\ 'params': args,
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\})
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try
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" Use callback
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if type(Cb) == v:t_func
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let s:ch = ch_open('127.0.0.1:8181', {'mode': 'nl', 'callback': Cb})
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call ch_sendraw(s:ch, req_json)
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if go#util#HasDebug('debugger-commands')
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let g:go_debug_commands = add(g:go_debug_commands, {
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\ 'request': req_json,
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\ 'response': Cb,
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\ })
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endif
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return
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endif
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let ch = ch_open('127.0.0.1:8181', {'mode': 'nl', 'timeout': 20000})
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call ch_sendraw(ch, req_json)
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let resp_json = ch_readraw(ch)
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if go#util#HasDebug('debugger-commands')
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let g:go_debug_commands = add(g:go_debug_commands, {
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\ 'request': req_json,
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\ 'response': resp_json,
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\ })
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endif
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let obj = json_decode(resp_json)
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if type(obj) == v:t_dict && has_key(obj, 'error') && !empty(obj.error)
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throw obj.error
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endif
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return obj
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catch
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throw substitute(v:exception, '^Vim', '', '')
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endtry
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endfunction
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" Update the location of the current breakpoint or line we're halted on based on
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" response from dlv.
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function! s:update_breakpoint(res) abort
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if type(a:res) ==# v:t_none
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return
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endif
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let state = a:res.result.State
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if !has_key(state, 'currentThread')
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return
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endif
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let s:state['currentThread'] = state.currentThread
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let bufs = filter(map(range(1, winnr('$')), '[v:val,bufname(winbufnr(v:val))]'), 'v:val[1]=~"\.go$"')
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if len(bufs) == 0
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return
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endif
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exe bufs[0][0] 'wincmd w'
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let filename = state.currentThread.file
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let linenr = state.currentThread.line
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let oldfile = fnamemodify(expand('%'), ':p:gs!\\!/!')
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if oldfile != filename
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silent! exe 'edit' filename
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endif
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silent! exe 'norm!' linenr.'G'
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silent! normal! zvzz
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silent! sign unplace 9999
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silent! exe 'sign place 9999 line=' . linenr . ' name=godebugcurline file=' . filename
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endfunction
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" Populate the stacktrace window.
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function! s:show_stacktrace(res) abort
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if !has_key(a:res, 'result')
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return
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endif
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let l:stack_win = bufwinnr(bufnr('__GODEBUG_STACKTRACE__'))
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if l:stack_win == -1
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return
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endif
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let l:cur_win = bufwinnr('')
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exe l:stack_win 'wincmd w'
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try
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setlocal modifiable
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silent %delete _
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for i in range(len(a:res.result.Locations))
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let loc = a:res.result.Locations[i]
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call setline(i+1, printf('%s - %s:%d', loc.function.name, fnamemodify(loc.file, ':p'), loc.line))
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endfor
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finally
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setlocal nomodifiable
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exe l:cur_win 'wincmd w'
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endtry
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endfunction
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" Populate the variable window.
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function! s:show_variables() abort
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let l:var_win = bufwinnr(bufnr('__GODEBUG_VARIABLES__'))
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if l:var_win == -1
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return
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endif
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let l:cur_win = bufwinnr('')
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exe l:var_win 'wincmd w'
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try
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setlocal modifiable
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silent %delete _
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let v = []
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let v += ['# Local Variables']
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if type(get(s:state, 'localVars', [])) is type([])
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for c in s:state['localVars']
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let v += split(s:eval_tree(c, 0), "\n")
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endfor
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endif
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let v += ['']
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let v += ['# Function Arguments']
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if type(get(s:state, 'functionArgs', [])) is type([])
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for c in s:state['functionArgs']
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let v += split(s:eval_tree(c, 0), "\n")
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endfor
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endif
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call setline(1, v)
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finally
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setlocal nomodifiable
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exe l:cur_win 'wincmd w'
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endtry
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endfunction
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function! s:clearState() abort
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let s:state['currentThread'] = {}
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let s:state['localVars'] = {}
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let s:state['functionArgs'] = {}
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let s:state['message'] = []
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silent! sign unplace 9999
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endfunction
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function! s:stop() abort
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call s:clearState()
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if has_key(s:state, 'job')
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call job_stop(s:state['job'])
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call remove(s:state, 'job')
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endif
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endfunction
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function! go#debug#Stop() abort
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" Remove signs.
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for k in keys(s:state['breakpoint'])
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let bt = s:state['breakpoint'][k]
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if bt.id >= 0
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silent exe 'sign unplace ' . bt.id
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endif
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endfor
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" Remove all commands and add back the default commands.
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for k in map(split(execute('command GoDebug'), "\n")[1:], 'matchstr(v:val, "^\\s*\\zs\\S\\+")')
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exe 'delcommand' k
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endfor
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command! -nargs=* -complete=customlist,go#package#Complete GoDebugStart call go#debug#Start(0, <f-args>)
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command! -nargs=* -complete=customlist,go#package#Complete GoDebugTest call go#debug#Start(1, <f-args>)
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command! -nargs=? GoDebugBreakpoint call go#debug#Breakpoint(<f-args>)
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" Remove all mappings.
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for k in map(split(execute('map <Plug>(go-debug-'), "\n")[1:], 'matchstr(v:val, "^n\\s\\+\\zs\\S\\+")')
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exe 'unmap' k
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endfor
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call s:stop()
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let bufs = filter(map(range(1, winnr('$')), '[v:val,bufname(winbufnr(v:val))]'), 'v:val[1]=~"\.go$"')
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if len(bufs) > 0
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exe bufs[0][0] 'wincmd w'
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else
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wincmd p
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endif
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silent! exe bufwinnr(bufnr('__GODEBUG_STACKTRACE__')) 'wincmd c'
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silent! exe bufwinnr(bufnr('__GODEBUG_VARIABLES__')) 'wincmd c'
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silent! exe bufwinnr(bufnr('__GODEBUG_OUTPUT__')) 'wincmd c'
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set noballooneval
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set balloonexpr=
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endfunction
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function! s:goto_file() abort
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let m = matchlist(getline('.'), ' - \(.*\):\([0-9]\+\)$')
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if m[1] == ''
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return
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endif
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let bufs = filter(map(range(1, winnr('$')), '[v:val,bufname(winbufnr(v:val))]'), 'v:val[1]=~"\.go$"')
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if len(bufs) == 0
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return
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endif
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exe bufs[0][0] 'wincmd w'
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let filename = m[1]
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let linenr = m[2]
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let oldfile = fnamemodify(expand('%'), ':p:gs!\\!/!')
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if oldfile != filename
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silent! exe 'edit' filename
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endif
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silent! exe 'norm!' linenr.'G'
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silent! normal! zvzz
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endfunction
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function! s:delete_expands()
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let nr = line('.')
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while 1
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let l = getline(nr+1)
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if empty(l) || l =~ '^\S'
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return
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endif
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silent! exe (nr+1) . 'd _'
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endwhile
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silent! exe 'norm!' nr.'G'
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endfunction
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function! s:expand_var() abort
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" Get name from struct line.
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let name = matchstr(getline('.'), '^[^:]\+\ze: [a-zA-Z0-9\.·]\+{\.\.\.}$')
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" Anonymous struct
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if name == ''
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let name = matchstr(getline('.'), '^[^:]\+\ze: struct {.\{-}}$')
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endif
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if name != ''
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setlocal modifiable
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let not_open = getline(line('.')+1) !~ '^ '
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let l = line('.')
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call s:delete_expands()
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if not_open
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call append(l, split(s:eval(name), "\n")[1:])
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endif
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silent! exe 'norm!' l.'G'
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setlocal nomodifiable
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return
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endif
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" Expand maps
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let m = matchlist(getline('.'), '^[^:]\+\ze: map.\{-}\[\(\d\+\)\]$')
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if len(m) > 0 && m[1] != ''
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setlocal modifiable
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let not_open = getline(line('.')+1) !~ '^ '
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let l = line('.')
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call s:delete_expands()
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if not_open
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" TODO: Not sure how to do this yet... Need to get keys of the map.
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" let vs = ''
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" for i in range(0, min([10, m[1]-1]))
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" let vs .= ' ' . s:eval(printf("%s[%s]", m[0], ))
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" endfor
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" call append(l, split(vs, "\n"))
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endif
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silent! exe 'norm!' l.'G'
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setlocal nomodifiable
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return
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endif
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" Expand string.
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let m = matchlist(getline('.'), '^\([^:]\+\)\ze: \(string\)\[\([0-9]\+\)\]\(: .\{-}\)\?$')
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if len(m) > 0 && m[1] != ''
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setlocal modifiable
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let not_open = getline(line('.')+1) !~ '^ '
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let l = line('.')
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call s:delete_expands()
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if not_open
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let vs = ''
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for i in range(0, min([10, m[3]-1]))
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let vs .= ' ' . s:eval(m[1] . '[' . i . ']')
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endfor
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call append(l, split(vs, "\n"))
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endif
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silent! exe 'norm!' l.'G'
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setlocal nomodifiable
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return
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endif
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" Expand slice.
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let m = matchlist(getline('.'), '^\([^:]\+\)\ze: \(\[\]\w\{-}\)\[\([0-9]\+\)\]$')
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if len(m) > 0 && m[1] != ''
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setlocal modifiable
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let not_open = getline(line('.')+1) !~ '^ '
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let l = line('.')
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call s:delete_expands()
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if not_open
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let vs = ''
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for i in range(0, min([10, m[3]-1]))
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let vs .= ' ' . s:eval(m[1] . '[' . i . ']')
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endfor
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call append(l, split(vs, "\n"))
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endif
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silent! exe 'norm!' l.'G'
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setlocal nomodifiable
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return
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endif
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endfunction
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function! s:start_cb(ch, json) abort
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let res = json_decode(a:json)
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if type(res) == v:t_dict && has_key(res, 'error') && !empty(res.error)
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throw res.error
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endif
|
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if empty(res) || !has_key(res, 'result')
|
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return
|
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endif
|
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for bt in res.result.Breakpoints
|
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if bt.id >= 0
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let s:state['breakpoint'][bt.id] = bt
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exe 'sign place '. bt.id .' line=' . bt.line . ' name=godebugbreakpoint file=' . bt.file
|
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endif
|
|
endfor
|
|
|
|
let oldbuf = bufnr('%')
|
|
silent! only!
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|
|
|
let winnum = bufwinnr(bufnr('__GODEBUG_STACKTRACE__'))
|
|
if winnum != -1
|
|
return
|
|
endif
|
|
|
|
if exists('g:go_debug_windows["stack"]') && g:go_debug_windows['stack'] != ''
|
|
exe 'silent ' . g:go_debug_windows['stack']
|
|
silent file `='__GODEBUG_STACKTRACE__'`
|
|
setlocal buftype=nofile bufhidden=wipe nomodified nobuflisted noswapfile nowrap nonumber nocursorline
|
|
setlocal filetype=godebugstacktrace
|
|
nmap <buffer> <cr> :<c-u>call <SID>goto_file()<cr>
|
|
nmap <buffer> q <Plug>(go-debug-stop)
|
|
endif
|
|
|
|
if exists('g:go_debug_windows["out"]') && g:go_debug_windows['out'] != ''
|
|
exe 'silent ' . g:go_debug_windows['out']
|
|
silent file `='__GODEBUG_OUTPUT__'`
|
|
setlocal buftype=nofile bufhidden=wipe nomodified nobuflisted noswapfile nowrap nonumber nocursorline
|
|
setlocal filetype=godebugoutput
|
|
nmap <buffer> q <Plug>(go-debug-stop)
|
|
endif
|
|
|
|
if exists('g:go_debug_windows["vars"]') && g:go_debug_windows['vars'] != ''
|
|
exe 'silent ' . g:go_debug_windows['vars']
|
|
silent file `='__GODEBUG_VARIABLES__'`
|
|
setlocal buftype=nofile bufhidden=wipe nomodified nobuflisted noswapfile nowrap nonumber nocursorline
|
|
setlocal filetype=godebugvariables
|
|
call append(0, ["# Local Variables", "", "# Function Arguments"])
|
|
nmap <buffer> <silent> <cr> :<c-u>call <SID>expand_var()<cr>
|
|
nmap <buffer> q <Plug>(go-debug-stop)
|
|
endif
|
|
|
|
silent! delcommand GoDebugStart
|
|
silent! delcommand GoDebugTest
|
|
command! -nargs=0 GoDebugContinue call go#debug#Stack('continue')
|
|
command! -nargs=0 GoDebugNext call go#debug#Stack('next')
|
|
command! -nargs=0 GoDebugStep call go#debug#Stack('step')
|
|
command! -nargs=0 GoDebugStepOut call go#debug#Stack('stepOut')
|
|
command! -nargs=0 GoDebugRestart call go#debug#Restart()
|
|
command! -nargs=0 GoDebugStop call go#debug#Stop()
|
|
command! -nargs=* GoDebugSet call go#debug#Set(<f-args>)
|
|
command! -nargs=1 GoDebugPrint call go#debug#Print(<q-args>)
|
|
|
|
nnoremap <silent> <Plug>(go-debug-breakpoint) :<C-u>call go#debug#Breakpoint()<CR>
|
|
nnoremap <silent> <Plug>(go-debug-next) :<C-u>call go#debug#Stack('next')<CR>
|
|
nnoremap <silent> <Plug>(go-debug-step) :<C-u>call go#debug#Stack('step')<CR>
|
|
nnoremap <silent> <Plug>(go-debug-stepout) :<C-u>call go#debug#Stack('stepout')<CR>
|
|
nnoremap <silent> <Plug>(go-debug-continue) :<C-u>call go#debug#Stack('continue')<CR>
|
|
nnoremap <silent> <Plug>(go-debug-stop) :<C-u>call go#debug#Stop()<CR>
|
|
nnoremap <silent> <Plug>(go-debug-print) :<C-u>call go#debug#Print(expand('<cword>'))<CR>
|
|
|
|
nmap <F5> <Plug>(go-debug-continue)
|
|
nmap <F6> <Plug>(go-debug-print)
|
|
nmap <F9> <Plug>(go-debug-breakpoint)
|
|
nmap <F10> <Plug>(go-debug-next)
|
|
nmap <F11> <Plug>(go-debug-step)
|
|
|
|
set balloonexpr=go#debug#BalloonExpr()
|
|
set ballooneval
|
|
|
|
exe bufwinnr(oldbuf) 'wincmd w'
|
|
endfunction
|
|
|
|
function! s:err_cb(ch, msg) abort
|
|
call go#util#EchoError(a:msg)
|
|
let s:state['message'] += [a:msg]
|
|
endfunction
|
|
|
|
function! s:out_cb(ch, msg) abort
|
|
call go#util#EchoProgress(a:msg)
|
|
let s:state['message'] += [a:msg]
|
|
|
|
" TODO: why do this in this callback?
|
|
if stridx(a:msg, g:go_debug_address) != -1
|
|
call ch_setoptions(a:ch, {
|
|
\ 'out_cb': function('s:logger', ['OUT: ']),
|
|
\ 'err_cb': function('s:logger', ['ERR: ']),
|
|
\})
|
|
|
|
" Tell dlv about the breakpoints that the user added before delve started.
|
|
let l:breaks = copy(s:state.breakpoint)
|
|
let s:state['breakpoint'] = {}
|
|
for l:bt in values(l:breaks)
|
|
call go#debug#Breakpoint(bt.line)
|
|
endfor
|
|
|
|
call s:call_jsonrpc('RPCServer.ListBreakpoints', function('s:start_cb'))
|
|
endif
|
|
endfunction
|
|
|
|
" Start the debug mode. The first argument is the package name to compile and
|
|
" debug, anything else will be passed to the running program.
|
|
function! go#debug#Start(is_test, ...) abort
|
|
if has('nvim')
|
|
call go#util#EchoError('This feature only works in Vim for now; Neovim is not (yet) supported. Sorry :-(')
|
|
return
|
|
endif
|
|
if !go#util#has_job()
|
|
call go#util#EchoError('This feature requires Vim 8.0.0087 or newer with +job.')
|
|
return
|
|
endif
|
|
|
|
" It's already running.
|
|
if has_key(s:state, 'job') && job_status(s:state['job']) == 'run'
|
|
return
|
|
endif
|
|
|
|
let s:start_args = a:000
|
|
|
|
if go#util#HasDebug('debugger-state')
|
|
let g:go_debug_diag = s:state
|
|
endif
|
|
|
|
" cd in to test directory; this is also what running "go test" does.
|
|
if a:is_test
|
|
lcd %:p:h
|
|
endif
|
|
|
|
let s:state.is_test = a:is_test
|
|
|
|
let dlv = go#path#CheckBinPath("dlv")
|
|
if empty(dlv)
|
|
return
|
|
endif
|
|
|
|
try
|
|
if len(a:000) > 0
|
|
let l:pkgname = a:1
|
|
" Expand .; otherwise this won't work from a tmp dir.
|
|
if l:pkgname[0] == '.'
|
|
let l:pkgname = go#package#FromPath(getcwd()) . l:pkgname[1:]
|
|
endif
|
|
else
|
|
let l:pkgname = go#package#FromPath(getcwd())
|
|
endif
|
|
|
|
let l:args = []
|
|
if len(a:000) > 1
|
|
let l:args = ['--'] + a:000[1:]
|
|
endif
|
|
|
|
let l:cmd = [
|
|
\ dlv,
|
|
\ (a:is_test ? 'test' : 'debug'),
|
|
\ '--output', tempname(),
|
|
\ '--headless',
|
|
\ '--api-version', '2',
|
|
\ '--log',
|
|
\ '--listen', g:go_debug_address,
|
|
\ '--accept-multiclient',
|
|
\]
|
|
if get(g:, 'go_build_tags', '') isnot ''
|
|
let l:cmd += ['--build-flags', '--tags=' . g:go_build_tags]
|
|
endif
|
|
let l:cmd += l:args
|
|
|
|
call go#util#EchoProgress('Starting GoDebug...')
|
|
let s:state['message'] = []
|
|
let s:state['job'] = job_start(l:cmd, {
|
|
\ 'out_cb': function('s:out_cb'),
|
|
\ 'err_cb': function('s:err_cb'),
|
|
\ 'exit_cb': function('s:exit'),
|
|
\ 'stoponexit': 'kill',
|
|
\})
|
|
catch
|
|
call go#util#EchoError(v:exception)
|
|
endtry
|
|
endfunction
|
|
|
|
" Translate a reflect kind constant to a human string.
|
|
function! s:reflect_kind(k)
|
|
" Kind constants from Go's reflect package.
|
|
return [
|
|
\ 'Invalid Kind',
|
|
\ 'Bool',
|
|
\ 'Int',
|
|
\ 'Int8',
|
|
\ 'Int16',
|
|
\ 'Int32',
|
|
\ 'Int64',
|
|
\ 'Uint',
|
|
\ 'Uint8',
|
|
\ 'Uint16',
|
|
\ 'Uint32',
|
|
\ 'Uint64',
|
|
\ 'Uintptr',
|
|
\ 'Float32',
|
|
\ 'Float64',
|
|
\ 'Complex64',
|
|
\ 'Complex128',
|
|
\ 'Array',
|
|
\ 'Chan',
|
|
\ 'Func',
|
|
\ 'Interface',
|
|
\ 'Map',
|
|
\ 'Ptr',
|
|
\ 'Slice',
|
|
\ 'String',
|
|
\ 'Struct',
|
|
\ 'UnsafePointer',
|
|
\ ][a:k]
|
|
endfunction
|
|
|
|
function! s:eval_tree(var, nest) abort
|
|
if a:var.name =~ '^\~'
|
|
return ''
|
|
endif
|
|
let nest = a:nest
|
|
let v = ''
|
|
let kind = s:reflect_kind(a:var.kind)
|
|
if !empty(a:var.name)
|
|
let v .= repeat(' ', nest) . a:var.name . ': '
|
|
|
|
if kind == 'Bool'
|
|
let v .= printf("%s\n", a:var.value)
|
|
|
|
elseif kind == 'Struct'
|
|
" Anonymous struct
|
|
if a:var.type[:8] == 'struct { '
|
|
let v .= printf("%s\n", a:var.type)
|
|
else
|
|
let v .= printf("%s{...}\n", a:var.type)
|
|
endif
|
|
|
|
elseif kind == 'String'
|
|
let v .= printf("%s[%d]%s\n", a:var.type, a:var.len,
|
|
\ len(a:var.value) > 0 ? ': ' . a:var.value : '')
|
|
|
|
elseif kind == 'Slice' || kind == 'String' || kind == 'Map' || kind == 'Array'
|
|
let v .= printf("%s[%d]\n", a:var.type, a:var.len)
|
|
|
|
elseif kind == 'Chan' || kind == 'Func' || kind == 'Interface'
|
|
let v .= printf("%s\n", a:var.type)
|
|
|
|
elseif kind == 'Ptr'
|
|
" TODO: We can do something more useful here.
|
|
let v .= printf("%s\n", a:var.type)
|
|
|
|
elseif kind == 'Complex64' || kind == 'Complex128'
|
|
let v .= printf("%s%s\n", a:var.type, a:var.value)
|
|
|
|
" Int, Float
|
|
else
|
|
let v .= printf("%s(%s)\n", a:var.type, a:var.value)
|
|
endif
|
|
else
|
|
let nest -= 1
|
|
endif
|
|
|
|
if index(['Chan', 'Complex64', 'Complex128'], kind) == -1 && a:var.type != 'error'
|
|
for c in a:var.children
|
|
let v .= s:eval_tree(c, nest+1)
|
|
endfor
|
|
endif
|
|
return v
|
|
endfunction
|
|
|
|
function! s:eval(arg) abort
|
|
try
|
|
let res = s:call_jsonrpc('RPCServer.State')
|
|
let goroutineID = res.result.State.currentThread.goroutineID
|
|
let res = s:call_jsonrpc('RPCServer.Eval', {
|
|
\ 'expr': a:arg,
|
|
\ 'scope': {'GoroutineID': goroutineID}
|
|
\ })
|
|
return s:eval_tree(res.result.Variable, 0)
|
|
catch
|
|
call go#util#EchoError(v:exception)
|
|
return ''
|
|
endtry
|
|
endfunction
|
|
|
|
function! go#debug#BalloonExpr() abort
|
|
silent! let l:v = s:eval(v:beval_text)
|
|
return l:v
|
|
endfunction
|
|
|
|
function! go#debug#Print(arg) abort
|
|
try
|
|
echo substitute(s:eval(a:arg), "\n$", "", 0)
|
|
catch
|
|
call go#util#EchoError(v:exception)
|
|
endtry
|
|
endfunction
|
|
|
|
function! s:update_variables() abort
|
|
" FollowPointers requests pointers to be automatically dereferenced.
|
|
" MaxVariableRecurse is how far to recurse when evaluating nested types.
|
|
" MaxStringLen is the maximum number of bytes read from a string
|
|
" MaxArrayValues is the maximum number of elements read from an array, a slice or a map.
|
|
" MaxStructFields is the maximum number of fields read from a struct, -1 will read all fields.
|
|
let l:cfg = {
|
|
\ 'scope': {'GoroutineID': s:groutineID()},
|
|
\ 'cfg': {'MaxStringLen': 20, 'MaxArrayValues': 20}
|
|
\ }
|
|
|
|
try
|
|
let res = s:call_jsonrpc('RPCServer.ListLocalVars', l:cfg)
|
|
let s:state['localVars'] = res.result['Variables']
|
|
catch
|
|
call go#util#EchoError(v:exception)
|
|
endtry
|
|
|
|
try
|
|
let res = s:call_jsonrpc('RPCServer.ListFunctionArgs', l:cfg)
|
|
let s:state['functionArgs'] = res.result['Args']
|
|
catch
|
|
call go#util#EchoError(v:exception)
|
|
endtry
|
|
|
|
call s:show_variables()
|
|
endfunction
|
|
|
|
function! go#debug#Set(symbol, value) abort
|
|
try
|
|
let res = s:call_jsonrpc('RPCServer.State')
|
|
let goroutineID = res.result.State.currentThread.goroutineID
|
|
call s:call_jsonrpc('RPCServer.Set', {
|
|
\ 'symbol': a:symbol,
|
|
\ 'value': a:value,
|
|
\ 'scope': {'GoroutineID': goroutineID}
|
|
\ })
|
|
catch
|
|
call go#util#EchoError(v:exception)
|
|
endtry
|
|
|
|
call s:update_variables()
|
|
endfunction
|
|
|
|
function! s:update_stacktrace() abort
|
|
try
|
|
let res = s:call_jsonrpc('RPCServer.Stacktrace', {'id': s:groutineID(), 'depth': 5})
|
|
call s:show_stacktrace(res)
|
|
catch
|
|
call go#util#EchoError(v:exception)
|
|
endtry
|
|
endfunction
|
|
|
|
function! s:stack_cb(ch, json) abort
|
|
let s:stack_name = ''
|
|
let res = json_decode(a:json)
|
|
if type(res) == v:t_dict && has_key(res, 'error') && !empty(res.error)
|
|
call go#util#EchoError(res.error)
|
|
call s:clearState()
|
|
call go#debug#Restart()
|
|
return
|
|
endif
|
|
|
|
if empty(res) || !has_key(res, 'result')
|
|
return
|
|
endif
|
|
call s:update_breakpoint(res)
|
|
call s:update_stacktrace()
|
|
call s:update_variables()
|
|
endfunction
|
|
|
|
" Send a command to change the cursor location to Delve.
|
|
"
|
|
" a:name must be one of continue, next, step, or stepOut.
|
|
function! go#debug#Stack(name) abort
|
|
let l:name = a:name
|
|
|
|
" Run continue if the program hasn't started yet.
|
|
if s:state.running is 0
|
|
let s:state.running = 1
|
|
let l:name = 'continue'
|
|
endif
|
|
|
|
" Add a breakpoint to the main.Main if the user didn't define any.
|
|
if len(s:state['breakpoint']) is 0
|
|
if go#debug#Breakpoint() isnot 0
|
|
let s:state.running = 0
|
|
return
|
|
endif
|
|
endif
|
|
|
|
try
|
|
" TODO: document why this is needed.
|
|
if l:name is# 'next' && get(s:, 'stack_name', '') is# 'next'
|
|
call s:call_jsonrpc('RPCServer.CancelNext')
|
|
endif
|
|
let s:stack_name = l:name
|
|
call s:call_jsonrpc('RPCServer.Command', function('s:stack_cb'), {'name': l:name})
|
|
catch
|
|
call go#util#EchoError(v:exception)
|
|
endtry
|
|
endfunction
|
|
|
|
function! go#debug#Restart() abort
|
|
try
|
|
call job_stop(s:state['job'])
|
|
while has_key(s:state, 'job') && job_status(s:state['job']) is# 'run'
|
|
sleep 50m
|
|
endwhile
|
|
|
|
let l:breaks = s:state['breakpoint']
|
|
let s:state = {
|
|
\ 'rpcid': 1,
|
|
\ 'running': 0,
|
|
\ 'breakpoint': {},
|
|
\ 'currentThread': {},
|
|
\ 'localVars': {},
|
|
\ 'functionArgs': {},
|
|
\ 'message': [],
|
|
\}
|
|
|
|
" Preserve breakpoints.
|
|
for bt in values(l:breaks)
|
|
" TODO: should use correct filename
|
|
exe 'sign unplace '. bt.id .' file=' . bt.file
|
|
call go#debug#Breakpoint(bt.line)
|
|
endfor
|
|
call call('go#debug#Start', s:start_args)
|
|
catch
|
|
call go#util#EchoError(v:exception)
|
|
endtry
|
|
endfunction
|
|
|
|
" Report if debugger mode is active.
|
|
function! s:isActive()
|
|
return len(s:state['message']) > 0
|
|
endfunction
|
|
|
|
" Toggle breakpoint. Returns 0 on success and 1 on failure.
|
|
function! go#debug#Breakpoint(...) abort
|
|
let l:filename = fnamemodify(expand('%'), ':p:gs!\\!/!')
|
|
|
|
" Get line number from argument.
|
|
if len(a:000) > 0
|
|
let linenr = str2nr(a:1)
|
|
if linenr is 0
|
|
call go#util#EchoError('not a number: ' . a:1)
|
|
return 0
|
|
endif
|
|
else
|
|
let linenr = line('.')
|
|
endif
|
|
|
|
try
|
|
" Check if we already have a breakpoint for this line.
|
|
let found = v:none
|
|
for k in keys(s:state.breakpoint)
|
|
let bt = s:state.breakpoint[k]
|
|
if bt.file == l:filename && bt.line == linenr
|
|
let found = bt
|
|
break
|
|
endif
|
|
endfor
|
|
|
|
" Remove breakpoint.
|
|
if type(found) == v:t_dict
|
|
call remove(s:state['breakpoint'], bt.id)
|
|
exe 'sign unplace '. found.id .' file=' . found.file
|
|
if s:isActive()
|
|
let res = s:call_jsonrpc('RPCServer.ClearBreakpoint', {'id': found.id})
|
|
endif
|
|
" Add breakpoint.
|
|
else
|
|
if s:isActive()
|
|
let res = s:call_jsonrpc('RPCServer.CreateBreakpoint', {'Breakpoint': {'file': l:filename, 'line': linenr}})
|
|
let bt = res.result.Breakpoint
|
|
exe 'sign place '. bt.id .' line=' . bt.line . ' name=godebugbreakpoint file=' . bt.file
|
|
let s:state['breakpoint'][bt.id] = bt
|
|
else
|
|
let id = len(s:state['breakpoint']) + 1
|
|
let s:state['breakpoint'][id] = {'id': id, 'file': l:filename, 'line': linenr}
|
|
exe 'sign place '. id .' line=' . linenr . ' name=godebugbreakpoint file=' . l:filename
|
|
endif
|
|
endif
|
|
catch
|
|
call go#util#EchoError(v:exception)
|
|
return 1
|
|
endtry
|
|
|
|
return 0
|
|
endfunction
|
|
|
|
sign define godebugbreakpoint text=> texthl=GoDebugBreakpoint
|
|
sign define godebugcurline text== linehl=GoDebugCurrent texthl=GoDebugCurrent
|
|
|
|
fun! s:hi()
|
|
hi GoDebugBreakpoint term=standout ctermbg=117 ctermfg=0 guibg=#BAD4F5 guifg=Black
|
|
hi GoDebugCurrent term=reverse ctermbg=12 ctermfg=7 guibg=DarkBlue guifg=White
|
|
endfun
|
|
augroup vim-go-breakpoint
|
|
autocmd!
|
|
autocmd ColorScheme * call s:hi()
|
|
augroup end
|
|
call s:hi()
|
|
|
|
" vim: sw=2 ts=2 et
|