980 lines
26 KiB
VimL
980 lines
26 KiB
VimL
" don't spam the user when Vim is started in Vi compatibility mode
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let s:cpo_save = &cpo
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set cpo&vim
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scriptencoding utf-8
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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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\ 'currentThread': {},
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\ 'localVars': {},
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\ 'functionArgs': {},
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\ 'message': [],
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\}
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if go#util#HasDebug('debugger-state')
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call go#config#SetDebugDiag(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:complete(job, exit_status, data) abort
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let l:gotready = get(s:state, 'ready', 0)
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" copy messages to a:data _only_ when dlv exited non-zero and it was never
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" detected as ready (e.g. there was a compiler error).
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if a:exit_status > 0 && !l:gotready
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" copy messages to data so that vim-go's usual handling of errors from
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" async jobs will occur.
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call extend(a:data, s:state['message'])
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endif
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" return early instead of clearing any variables when the current job is not
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" a:job
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if has_key(s:state, 'job') && s:state['job'] != a:job
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return
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endif
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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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if has_key(s:state, 'ready')
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call remove(s:state, 'ready')
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endif
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if has_key(s:state, 'ch')
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call remove(s:state, 'ch')
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endif
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call s:clearState()
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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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echom 'sending to dlv ' . a:method
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endif
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let l:args = a:000
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let s:state['rpcid'] += 1
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let l:req_json = json_encode({
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\ 'id': s:state['rpcid'],
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\ 'method': a:method,
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\ 'params': l:args,
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\})
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try
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let l:ch = s:state['ch']
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if has('nvim')
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call chansend(l:ch, l:req_json)
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while len(s:state.data) == 0
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sleep 50m
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if get(s:state, 'ready', 0) == 0
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return
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endif
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endwhile
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let resp_json = s:state.data[0]
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let s:state.data = s:state.data[1:]
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else
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call ch_sendraw(l:ch, req_json)
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let l:resp_raw = ch_readraw(l:ch)
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let resp_json = json_decode(l:resp_raw)
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endif
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if go#util#HasDebug('debugger-commands')
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let g:go_debug_commands = add(go#config#DebugCommands(), {
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\ 'request': l:req_json,
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\ 'response': l:resp_json,
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\ })
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endif
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if type(l:resp_json) == v:t_dict && has_key(l:resp_json, 'error') && !empty(l:resp_json.error)
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throw l:resp_json.error
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endif
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return l:resp_json
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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) ==# type(v:null)
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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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let l:res = s:call_jsonrpc('RPCServer.Detach', {'kill': v:true})
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if has_key(s:state, 'job')
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call go#job#Wait(s:state['job'])
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" while waiting, the s:complete may have already removed job from s:state.
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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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endif
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if has_key(s:state, 'ready')
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call remove(s:state, 'ready')
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endif
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if has_key(s:state, 'ch')
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call remove(s:state, 'ch')
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endif
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call s:clearState()
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endfunction
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function! go#debug#Stop() abort
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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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if has('balloon_eval')
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let &ballooneval=s:ballooneval
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let &balloonexpr=s:balloonexpr
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endif
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augroup vim-go-debug
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autocmd!
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augroup END
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augroup! vim-go-debug
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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() abort
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let l:winid = win_getid()
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silent! only!
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let winnum = bufwinnr(bufnr('__GODEBUG_STACKTRACE__'))
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if winnum != -1
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return
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endif
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let debugwindows = go#config#DebugWindows()
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if has_key(debugwindows, "stack") && debugwindows['stack'] != ''
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exe 'silent ' . debugwindows['stack']
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silent file `='__GODEBUG_STACKTRACE__'`
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setlocal buftype=nofile bufhidden=wipe nomodified nobuflisted noswapfile nowrap nonumber nocursorline
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setlocal filetype=godebugstacktrace
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nmap <buffer> <cr> :<c-u>call <SID>goto_file()<cr>
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nmap <buffer> q <Plug>(go-debug-stop)
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endif
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if has_key(debugwindows, "out") && debugwindows['out'] != ''
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exe 'silent ' . debugwindows['out']
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silent file `='__GODEBUG_OUTPUT__'`
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setlocal buftype=nofile bufhidden=wipe nomodified nobuflisted noswapfile nowrap nonumber nocursorline
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setlocal filetype=godebugoutput
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nmap <buffer> q <Plug>(go-debug-stop)
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endif
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if has_key(debugwindows, "vars") && debugwindows['vars'] != ''
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exe 'silent ' . debugwindows['vars']
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silent file `='__GODEBUG_VARIABLES__'`
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setlocal buftype=nofile bufhidden=wipe nomodified nobuflisted noswapfile nowrap nonumber nocursorline
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setlocal filetype=godebugvariables
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call append(0, ["# Local Variables", "", "# Function Arguments"])
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nmap <buffer> <silent> <cr> :<c-u>call <SID>expand_var()<cr>
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nmap <buffer> q <Plug>(go-debug-stop)
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endif
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silent! delcommand GoDebugStart
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silent! delcommand GoDebugTest
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command! -nargs=0 GoDebugContinue call go#debug#Stack('continue')
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command! -nargs=0 GoDebugNext call go#debug#Stack('next')
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command! -nargs=0 GoDebugStep call go#debug#Stack('step')
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command! -nargs=0 GoDebugStepOut call go#debug#Stack('stepOut')
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command! -nargs=0 GoDebugRestart call go#debug#Restart()
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command! -nargs=0 GoDebugStop call go#debug#Stop()
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command! -nargs=* GoDebugSet call go#debug#Set(<f-args>)
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command! -nargs=1 GoDebugPrint call go#debug#Print(<q-args>)
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nnoremap <silent> <Plug>(go-debug-breakpoint) :<C-u>call go#debug#Breakpoint()<CR>
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nnoremap <silent> <Plug>(go-debug-next) :<C-u>call go#debug#Stack('next')<CR>
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nnoremap <silent> <Plug>(go-debug-step) :<C-u>call go#debug#Stack('step')<CR>
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nnoremap <silent> <Plug>(go-debug-stepout) :<C-u>call go#debug#Stack('stepout')<CR>
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nnoremap <silent> <Plug>(go-debug-continue) :<C-u>call go#debug#Stack('continue')<CR>
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nnoremap <silent> <Plug>(go-debug-stop) :<C-u>call go#debug#Stop()<CR>
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nnoremap <silent> <Plug>(go-debug-print) :<C-u>call go#debug#Print(expand('<cword>'))<CR>
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if has('balloon_eval')
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let s:balloonexpr=&balloonexpr
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let s:ballooneval=&ballooneval
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set balloonexpr=go#debug#BalloonExpr()
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set ballooneval
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endif
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call win_gotoid(l:winid)
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augroup vim-go-debug
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autocmd! * <buffer>
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autocmd FileType go nmap <buffer> <F5> <Plug>(go-debug-continue)
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autocmd FileType go nmap <buffer> <F6> <Plug>(go-debug-print)
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autocmd FileType go nmap <buffer> <F9> <Plug>(go-debug-breakpoint)
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autocmd FileType go nmap <buffer> <F10> <Plug>(go-debug-next)
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autocmd FileType go nmap <buffer> <F11> <Plug>(go-debug-step)
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augroup END
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doautocmd vim-go-debug FileType go
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endfunction
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function! s:err_cb(ch, msg) abort
|
|
if get(s:state, 'ready', 0) != 0
|
|
call call('s:logger', ['ERR: ', a:ch, a:msg])
|
|
return
|
|
endif
|
|
|
|
let s:state['message'] += [a:msg]
|
|
endfunction
|
|
|
|
function! s:out_cb(ch, msg) abort
|
|
if get(s:state, 'ready', 0) != 0
|
|
call call('s:logger', ['OUT: ', a:ch, a:msg])
|
|
return
|
|
endif
|
|
|
|
let s:state['message'] += [a:msg]
|
|
|
|
if stridx(a:msg, go#config#DebugAddress()) != -1
|
|
if has('nvim')
|
|
let s:state['data'] = []
|
|
let l:state = {'databuf': ''}
|
|
|
|
" explicitly bind callback to state so that within it, self will
|
|
" always refer to state. See :help Partial for more information.
|
|
let l:state.on_data = function('s:on_data', [], l:state)
|
|
let l:ch = sockconnect('tcp', go#config#DebugAddress(), {'on_data': l:state.on_data, 'state': l:state})
|
|
if l:ch == 0
|
|
call go#util#EchoError("could not connect to debugger")
|
|
call go#job#Stop(s:state['job'])
|
|
return
|
|
endif
|
|
else
|
|
let l:ch = ch_open(go#config#DebugAddress(), {'mode': 'raw', 'timeout': 20000})
|
|
if ch_status(l:ch) !=# 'open'
|
|
call go#util#EchoError("could not connect to debugger")
|
|
call go#job#Stop(s:state['job'])
|
|
return
|
|
endif
|
|
endif
|
|
|
|
let s:state['ch'] = l:ch
|
|
|
|
" After this block executes, Delve will be running with all the
|
|
" breakpoints setup, so this callback doesn't have to run again; just log
|
|
" future messages.
|
|
let s:state['ready'] = 1
|
|
|
|
" replace all the breakpoints set before delve started so that the ids won't overlap.
|
|
let l:breakpoints = s:list_breakpoints()
|
|
for l:bt in s:list_breakpoints()
|
|
exe 'sign unplace '. l:bt.id
|
|
call go#debug#Breakpoint(l:bt.line, l:bt.file)
|
|
endfor
|
|
|
|
call s:start_cb()
|
|
endif
|
|
endfunction
|
|
|
|
function! s:on_data(ch, data, event) dict abort
|
|
let l:data = self.databuf
|
|
for l:msg in a:data
|
|
let l:data .= l:msg
|
|
endfor
|
|
|
|
try
|
|
let l:res = json_decode(l:data)
|
|
let s:state['data'] = add(s:state['data'], l:res)
|
|
let self.databuf = ''
|
|
catch
|
|
" there isn't a complete message in databuf: buffer l:data and try
|
|
" again when more data comes in.
|
|
let self.databuf = l:data
|
|
finally
|
|
endtry
|
|
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
|
|
call go#cmd#autowrite()
|
|
|
|
if !go#util#has_job()
|
|
call go#util#EchoError('This feature requires either Vim 8.0.0087 or newer with +job or Neovim.')
|
|
return
|
|
endif
|
|
|
|
" It's already running.
|
|
if has_key(s:state, 'job')
|
|
return s:state['job']
|
|
endif
|
|
|
|
let s:start_args = a:000
|
|
|
|
if go#util#HasDebug('debugger-state')
|
|
call go#config#SetDebugDiag(s:state)
|
|
endif
|
|
|
|
let dlv = go#path#CheckBinPath("dlv")
|
|
if empty(dlv)
|
|
return
|
|
endif
|
|
|
|
try
|
|
let l:cmd = [
|
|
\ dlv,
|
|
\ (a:is_test ? 'test' : 'debug'),
|
|
\]
|
|
|
|
" append the package when it's given.
|
|
if len(a:000) > 0
|
|
let l:pkgname = go#package#FromPath(a:1)
|
|
if l:pkgname is -1
|
|
call go#util#EchoError('could not determine package name')
|
|
return
|
|
endif
|
|
|
|
let l:cmd += [l:pkgname]
|
|
endif
|
|
|
|
let l:cmd += [
|
|
\ '--output', tempname(),
|
|
\ '--headless',
|
|
\ '--api-version', '2',
|
|
\ '--listen', go#config#DebugAddress(),
|
|
\]
|
|
let l:debugLogOutput = go#config#DebugLogOutput()
|
|
if l:debugLogOutput != ''
|
|
let cmd += ['--log', '--log-output', l:debugLogOutput]
|
|
endif
|
|
|
|
let l:buildtags = go#config#BuildTags()
|
|
if buildtags isnot ''
|
|
let l:cmd += ['--build-flags', '--tags=' . buildtags]
|
|
endif
|
|
|
|
if len(a:000) > 1
|
|
let l:cmd += ['--'] + a:000[1:]
|
|
endif
|
|
|
|
let s:state['message'] = []
|
|
let l:opts = {
|
|
\ 'for': 'GoDebug',
|
|
\ 'statustype': 'debug',
|
|
\ 'complete': function('s:complete'),
|
|
\ }
|
|
let l:opts = go#job#Options(l:opts)
|
|
let l:opts.out_cb = function('s:out_cb')
|
|
let l:opts.err_cb = function('s:err_cb')
|
|
let l:opts.stoponexit = 'kill'
|
|
|
|
let s:state['job'] = go#job#Start(l:cmd, l:opts)
|
|
catch
|
|
call go#util#EchoError(v:exception)
|
|
endtry
|
|
|
|
return s:state['job']
|
|
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 l:res = s:call_jsonrpc('RPCServer.State')
|
|
let l:res = s:call_jsonrpc('RPCServer.Eval', {
|
|
\ 'expr': a:arg,
|
|
\ 'scope': {'GoroutineID': l:res.result.State.currentThread.goroutineID}
|
|
\ })
|
|
return s:eval_tree(l: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 l:res = s:call_jsonrpc('RPCServer.State')
|
|
call s:call_jsonrpc('RPCServer.Set', {
|
|
\ 'symbol': a:symbol,
|
|
\ 'value': a:value,
|
|
\ 'scope': {'GoroutineID': l:res.result.State.currentThread.goroutineID}
|
|
\ })
|
|
catch
|
|
call go#util#EchoError(v:exception)
|
|
endtry
|
|
|
|
call s:update_variables()
|
|
endfunction
|
|
|
|
function! s:update_stacktrace() abort
|
|
try
|
|
let l:res = s:call_jsonrpc('RPCServer.Stacktrace', {'id': s:groutineID(), 'depth': 5})
|
|
call s:show_stacktrace(l:res)
|
|
catch
|
|
call go#util#EchoError(v:exception)
|
|
endtry
|
|
endfunction
|
|
|
|
function! s:stack_cb(res) abort
|
|
let s:stack_name = ''
|
|
|
|
if empty(a:res) || !has_key(a:res, 'result')
|
|
return
|
|
endif
|
|
call s:update_breakpoint(a: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:list_breakpoints()) 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
|
|
try
|
|
let res = s:call_jsonrpc('RPCServer.Command', {'name': l:name})
|
|
call s:stack_cb(res)
|
|
catch
|
|
call go#util#EchoError(v:exception)
|
|
call s:clearState()
|
|
call go#debug#Restart()
|
|
endtry
|
|
catch
|
|
call go#util#EchoError(v:exception)
|
|
endtry
|
|
endfunction
|
|
|
|
function! go#debug#Restart() abort
|
|
call go#cmd#autowrite()
|
|
|
|
try
|
|
call s:stop()
|
|
|
|
let s:state = {
|
|
\ 'rpcid': 1,
|
|
\ 'running': 0,
|
|
\ 'currentThread': {},
|
|
\ 'localVars': {},
|
|
\ 'functionArgs': {},
|
|
\ 'message': [],
|
|
\}
|
|
|
|
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!\\!/!')
|
|
let l:linenr = line('.')
|
|
|
|
" Get line number from argument.
|
|
if len(a:000) > 0
|
|
let l:linenr = str2nr(a:1)
|
|
if l:linenr is 0
|
|
call go#util#EchoError('not a number: ' . a:1)
|
|
return 0
|
|
endif
|
|
if len(a:000) > 1
|
|
let l:filename = a:2
|
|
endif
|
|
endif
|
|
|
|
try
|
|
" Check if we already have a breakpoint for this line.
|
|
let l:found = {}
|
|
for l:bt in s:list_breakpoints()
|
|
if l:bt.file is# l:filename && l:bt.line is# l:linenr
|
|
let l:found = l:bt
|
|
break
|
|
endif
|
|
endfor
|
|
|
|
" Remove breakpoint.
|
|
if type(l:found) == v:t_dict && !empty(l:found)
|
|
exe 'sign unplace '. l:found.id .' file=' . l:found.file
|
|
if s:isActive()
|
|
let res = s:call_jsonrpc('RPCServer.ClearBreakpoint', {'id': l:found.id})
|
|
endif
|
|
" Add breakpoint.
|
|
else
|
|
if s:isActive()
|
|
let l:res = s:call_jsonrpc('RPCServer.CreateBreakpoint', {'Breakpoint': {'file': l:filename, 'line': l:linenr}})
|
|
let l:bt = res.result.Breakpoint
|
|
exe 'sign place '. l:bt.id .' line=' . l:bt.line . ' name=godebugbreakpoint file=' . l:bt.file
|
|
else
|
|
let l:id = len(s:list_breakpoints()) + 1
|
|
exe 'sign place ' . l:id . ' line=' . l:linenr . ' name=godebugbreakpoint file=' . l:filename
|
|
endif
|
|
endif
|
|
catch
|
|
call go#util#EchoError(v:exception)
|
|
return 1
|
|
endtry
|
|
|
|
return 0
|
|
endfunction
|
|
|
|
function! s:list_breakpoints()
|
|
" :sign place
|
|
" --- Signs ---
|
|
" Signs for a.go:
|
|
" line=15 id=2 name=godebugbreakpoint
|
|
" line=16 id=1 name=godebugbreakpoint
|
|
" Signs for a_test.go:
|
|
" line=6 id=3 name=godebugbreakpoint
|
|
|
|
let l:signs = []
|
|
let l:file = ''
|
|
for l:line in split(execute('sign place'), '\n')[1:]
|
|
if l:line =~# '^Signs for '
|
|
let l:file = l:line[10:-2]
|
|
continue
|
|
endif
|
|
|
|
if l:line !~# 'name=godebugbreakpoint'
|
|
continue
|
|
endif
|
|
|
|
let l:sign = matchlist(l:line, '\vline\=(\d+) +id\=(\d+)')
|
|
call add(l:signs, {
|
|
\ 'id': l:sign[2],
|
|
\ 'file': fnamemodify(l:file, ':p'),
|
|
\ 'line': str2nr(l:sign[1]),
|
|
\ })
|
|
endfor
|
|
|
|
return l:signs
|
|
endfunction
|
|
|
|
sign define godebugbreakpoint text=> texthl=GoDebugBreakpoint
|
|
sign define godebugcurline text== texthl=GoDebugCurrent linehl=GoDebugCurrent
|
|
|
|
" restore Vi compatibility settings
|
|
let &cpo = s:cpo_save
|
|
unlet s:cpo_save
|
|
|
|
" vim: sw=2 ts=2 et
|