flygrep replace mode (#3090)

autoload/SpaceVim/plugins/flygrep.vim

@@ -243,15 +243,62 @@ function! s:start_replace() abort
     call matchdelete(s:hi_id)
   catch
   endtr
+  if s:grepid != 0
+    call s:JOB.stop(s:grepid)
+  endif
   let replace_text = s:current_grep_pattern
   if !empty(replace_text)
-    call SpaceVim#plugins#iedit#start({'expr' : replace_text}, line('w0'), line('w$'))
+    let rst = SpaceVim#plugins#iedit#start({'expr' : replace_text}, line('w0'), line('w$'))
   endif
-  let s:hi_id = s:matchadd('FlyGrepPattern', s:expr_to_pattern(replace_text), 2)
+  let s:hi_id = s:matchadd('FlyGrepPattern', s:expr_to_pattern(rst), 2)
   redrawstatus
+  if rst !=# replace_text
+    call s:update_files(s:flygrep_result_to_files())
+    checktime
+  endif
 endfunction
 " }}}
 
+function! s:flygrep_result_to_files() abort
+  let files = []
+  for line in getbufline(s:flygrep_buffer_id, 1, '$')
+    let filename = fnameescape(split(line, ':\d\+:')[0])
+    let linenr = matchstr(line, ':\d\+:')[1:-2]
+    let str = matchstr(line, '\(:\d\+:\d\+:\)\@<=.*')
+    call add(files, [filename, linenr, str])
+  endfor
+  return files
+endfunction
+
+function! s:update_files(files) abort
+  let fname = ''
+  let lines = {}
+  for file in a:files
+    if file[0] == fname
+      call extend(lines, {file[1] : file[2]})
+    else
+      if !empty(fname)
+        call s:update_file(fname, lines)
+      endif
+      let fname = file[0]
+      let lines = {}
+      call extend(lines, {file[1] : file[2]})
+    endif
+  endfor
+  if !empty(fname)
+    call s:update_file(fname, lines)
+  endif
+endfunction
+
+function! s:update_file(fname, lines) abort
+  let contents = readfile(a:fname, '')
+  for linenr in keys(a:lines)
+    let contents[linenr - 1] = a:lines[ linenr ]
+  endfor
+  call writefile(contents, a:fname, '')
+endfunction
+
+
 " API: MPT._prompt {{{
 let s:MPT._prompt.mpt = g:spacevim_commandline_prompt . ' '
 " }}}

autoload/SpaceVim/plugins/iedit.vim

@@ -118,7 +118,7 @@ function! SpaceVim#plugins#iedit#start(...) abort
     if s:mode ==# 'n' && char == 27
       let s:mode = ''
     else
-      call s:handle(s:mode, char)
+      let symbol = s:handle(s:mode, char)
     endif
   endwhile
   let s:stack = []
@@ -135,14 +135,15 @@ function! SpaceVim#plugins#iedit#start(...) abort
   endtry
   let s:hi_id = ''
   let &l:cursorline = save_cl
+  return symbol
 endfunction
 
 
 function! s:handle(mode, char) abort
   if a:mode ==# 'n'
-    call s:handle_normal(a:char)
+    return s:handle_normal(a:char)
   elseif a:mode ==# 'i'
-    call s:handle_insert(a:char)
+    return s:handle_insert(a:char)
   endif
 endfunction
 
@@ -329,6 +330,7 @@ function! s:handle_normal(char) abort
     call cursor(s:stack[s:index][0], s:stack[s:index][1] + len(s:cursor_stack[s:index].begin))
   endif
   silent! call s:highlight_cursor()
+  return s:cursor_stack[0].begin . s:cursor_stack[0].cursor . s:cursor_stack[0].end 
 endfunction
 
 if exists('*timer_start')
@@ -356,7 +358,7 @@ function! s:handle_insert(char) abort
     silent! call s:highlight_cursor()
     redraw!
     redrawstatus!
-    return
+    return s:cursor_stack[0].begin . s:cursor_stack[0].cursor . s:cursor_stack[0].end 
   elseif a:char ==# 23
     " ctrl-w: delete word before cursor
     for i in range(len(s:cursor_stack))
@@ -447,6 +449,7 @@ function! s:handle_insert(char) abort
     call s:replace_symbol()
   endif
   silent! call s:highlight_cursor()
+  return s:cursor_stack[0].begin . s:cursor_stack[0].cursor . s:cursor_stack[0].end 
 endfunction
 function! s:parse_symbol(begin, end, symbol, ...) abort
   let use_expr = get(a:000, 0, 0)