func (gi *GotoDef) Exec(on interface{}) (executed, consume bool) {
opener, ok := on.(LineOpener)
if !ok {
return false, false
}
editor := opener.CurrentEditor()
if editor == nil {
return true, true
}
proj := opener.Project()
lastCaret := editor.Controller().LastCaret()
cmd := exec.Command("godef", "-f", editor.Filepath(), "-o", strconv.Itoa(lastCaret), "-i")
cmd.Stdin = bytes.NewBufferString(editor.Text())
errBuffer := &bytes.Buffer{}
cmd.Stderr = errBuffer
cmd.Env = []string{"PATH=" + os.Getenv("PATH")}
if proj.Gopath != "" {
cmd.Env[0] += string(os.PathListSeparator) + filepath.Join(proj.Gopath, "bin")
cmd.Env = append(cmd.Env, "GOPATH="+proj.Gopath)
}
output, err := cmd.Output()
if err != nil {
gi.err = fmt.Sprintf("godef error: %s", string(output))
return true, true
}
path, line, column, err := parseGodef(output)
if err != nil {
gi.err = err.Error()
return true, true
}
opener.OpenLine(path, line, column)
return true, true
}
func (s *SaveCurrent) Exec(target interface{}) (executed, consume bool) {
finder, ok := target.(CurrentFileFinder)
if !ok {
return false, false
}
editor := finder.CurrentEditor()
if editor == nil {
return true, true
}
s.filepath = finder.CurrentFile()
if !editor.LastKnownMTime().IsZero() {
finfo, err := os.Stat(s.filepath)
if err != nil {
s.err = fmt.Sprintf("Could not stat file %s: %s", s.filepath, err)
return true, false
}
if finfo.ModTime().After(editor.LastKnownMTime()) {
// TODO: prompt for override
s.err = fmt.Sprintf("File %s changed on disk. Cowardly refusing to overwrite.", s.filepath)
return true, false
}
}
f, err := os.Create(s.filepath)
if err != nil {
s.err = fmt.Sprintf("Could not open %s for writing: %s", s.filepath, err)
return true, false
}
defer f.Close()
if !strings.HasSuffix(editor.Text(), "\n") {
editor.SetText(editor.Text() + "\n")
}
if _, err := f.WriteString(editor.Text()); err != nil {
s.err = fmt.Sprintf("Could not write to file %s: %s", s.filepath, err)
return true, false
}
s.info = fmt.Sprintf("Successfully saved %s", s.filepath)
editor.FlushedChanges()
return true, true
}