// Searches for a QueryContextCallback and returns the result of the first callback being able to deal with this
// context, or Unknown if no such callback was found.
func (qe QueryContextEvent) Call(v *View, key string, operator util.Op, operand interface{}, match_all bool) QueryContextReturn {
log.Fine("Query context: %s, %v, %v, %v", key, operator, operand, match_all)
for i := range qe {
r := qe[i](v, key, operator, operand, match_all)
if r != Unknown {
return r
}
}
log.Fine("Unknown context: %s", key)
return Unknown
}
func (p *Pattern) Cache(data string, pos int) (pat *Pattern, ret MatchObject) {
if p.cachedData == data {
if p.cachedMatch == nil {
return nil, nil
}
if p.cachedMatch[0] >= pos && p.cachedPat.cachedMatch != nil {
p.hits++
return p.cachedPat, p.cachedMatch
}
} else {
p.cachedPatterns = nil
}
if p.cachedPatterns == nil {
p.cachedPatterns = make([]*Pattern, len(p.Patterns))
for i := range p.cachedPatterns {
p.cachedPatterns[i] = &p.Patterns[i]
}
}
p.misses++
if p.Match.re != nil {
pat, ret = p, p.Match.Find(data, pos)
} else if p.Begin.re != nil {
pat, ret = p, p.Begin.Find(data, pos)
} else if p.Include != "" {
if z := p.Include[0]; z == '#' {
key := p.Include[1:]
if p2, ok := p.owner.Repository[key]; ok {
pat, ret = p2.Cache(data, pos)
} else {
log.Fine("Not found in repository: %s", p.Include)
}
} else if z == '$' {
// TODO(q): Implement tmLanguage $ include directives
log.Warn("Unhandled include directive: %s", p.Include)
} else if l, err := Provider.GetLanguage(p.Include); err != nil {
if !failed[p.Include] {
log.Warn("Include directive %s failed: %s", p.Include, err)
}
failed[p.Include] = true
} else {
return l.RootPattern.Cache(data, pos)
}
} else {
pat, ret = p.FirstMatch(data, pos)
}
p.cachedData = data
p.cachedMatch = ret
p.cachedPat = pat
return
}
// Saves the file to the specified filename
func (v *View) SaveAs(name string) (err error) {
log.Fine("SaveAs(%s)", name)
v.Settings().Set("lime.saving", true)
defer v.Settings().Erase("lime.saving")
var atomic bool
OnPreSave.Call(v)
if atomic, _ = v.Settings().Get("atomic_save", true).(bool); v.buffer.FileName() == "" || !atomic {
if err := v.nonAtomicSave(name); err != nil {
return err
}
} else {
n, err := ioutil.TempDir(path.Dir(v.buffer.FileName()), "lime")
if err != nil {
return err
}
tmpf := path.Join(n, "tmp")
if err := v.nonAtomicSave(tmpf); err != nil {
return err
}
if err := os.Rename(tmpf, name); err != nil {
// When we want to save as a file in another directory
// we can't go with os.Rename so we need to force
// not atomic saving sometimes as 4th test in TestSaveAsOpenFile
if err := v.nonAtomicSave(name); err != nil {
return err
}
}
if err := os.RemoveAll(n); err != nil {
return err
}
}
ed := GetEditor()
if fn := v.buffer.FileName(); fn != name {
v.Buffer().SetFileName(name)
if fn != "" {
ed.UnWatch(fn, v)
}
ed.Watch(name, v)
}
v.buffer.Settings().Set("lime.last_save_change_count", v.buffer.ChangeCount())
OnPostSave.Call(v)
return nil
}
func (ch *commandHandler) RunApplicationCommand(name string, args Args) error {
p := Prof.Enter("ac")
defer p.Exit()
if ch.log {
log.Info("Running application command: %s %v", name, args)
} else {
log.Fine("Running application command: %s %v", name, args)
}
if c, ok := ch.ApplicationCommands[name].(ApplicationCommand); c != nil && ok {
if err := ch.init(c, args); err != nil && ch.verbose {
log.Debug("Command initialization failed: %s", err)
return err
} else if err := c.Run(); err != nil && ch.verbose {
log.Debug("Command execution failed: %s", err)
return err
}
}
return nil
}
func (w *Watcher) Watch(name string, cb interface{}) error {
log.Finest("Watch(%s)", name)
fi, err := os.Stat(name)
isDir := err == nil && fi.IsDir()
// If the file doesn't exist currently we will add watcher for file
// directory and look for create event inside the directory
if os.IsNotExist(err) {
log.Fine("%s doesn't exist, Watching parent directory", name)
if err := w.Watch(filepath.Dir(name), nil); err != nil {
return err
}
}
w.lock.Lock()
defer w.lock.Unlock()
if err := w.add(name, cb); err != nil {
if !isDir {
return err
}
if exist(w.dirs, name) {
log.Debug("%s is watched already", name)
return nil
}
}
// If exists in watchers we are already watching the path
// Or
// If the file is under one of watched dirs
//
// no need to create watcher
if exist(w.watchers, name) || (!isDir && exist(w.dirs, filepath.Dir(name))) {
return nil
}
if err := w.watch(name); err != nil {
return err
}
if isDir {
w.flushDir(name)
}
return nil
}
func (c *ViewEventGlue) onEvent(v *backend.View) {
l := py.NewLock()
defer l.Unlock()
pv, err := toPython(v)
if err != nil {
log.Error(err)
}
defer pv.Decref()
log.Fine("onEvent: %v, %v, %v", c, c.inner, pv)
// interrupt := true
// defer func() { interrupt = false }()
// go func() {
// <-time.After(time.Second * 5)
// if interrupt {
// py.SetInterrupt()
// }
// }()
if ret, err := c.inner.Base().CallFunctionObjArgs(pv); err != nil {
log.Error(err)
} else if ret != nil {
ret.Decref()
}
}
// Ends the given Edit object.
func (v *View) EndEdit(edit *Edit) {
if edit.invalid {
// This happens when nesting Edits and the child Edit ends after the parent edit.
log.Fine("This edit has already been invalidated: %v, %v", edit, v.editstack)
return
}
// Find the position of this Edit object in this View's Edit stack.
// If plugins, commands, etc are well-behaved the ended edit should be
// last in the stack, but shit happens and we cannot count on this being the case.
i := len(v.editstack) - 1
for i := len(v.editstack) - 1; i >= 0; i-- {
if v.editstack[i] == edit {
break
}
}
if i == -1 {
// TODO(.): Under what instances does this happen again?
log.Errorf("This edit isn't even in the stack... where did it come from? %v, %v", edit, v.editstack)
return
}
var selection_modified bool
if l := len(v.editstack) - 1; i != l {
// TODO(.): See TODO in BeginEdit
log.Errorf("This edit wasn't last in the stack... %d != %d: %v, %v", i, l, edit, v.editstack)
}
// Invalidate all Edits "below" and including this Edit.
for j := len(v.editstack) - 1; j >= i; j-- {
current_edit := v.editstack[j]
current_edit.invalid = true
sel_same := reflect.DeepEqual(*v.Sel(), current_edit.savedSel)
buf_same := v.buffer.ChangeCount() == current_edit.savedCount
eq := (sel_same && buf_same && current_edit.composite.Len() == 0)
if !eq && !sel_same {
selection_modified = true
}
if v.IsScratch() || current_edit.bypassUndo || eq {
continue
}
switch {
case i == 0:
// Well-behaved, no nested edits!
fallthrough
case j != i:
// BOO! Someone began another Edit without finishing the first one.
// In this instance, the parent Edit ended before the child.
// TODO(.): What would be the correct way to handle this?
v.undoStack.Add(edit)
default:
// BOO! Also poorly-behaved. This Edit object began after the parent began,
// but was finished before the parent finished.
//
// Add it as a child of the parent Edit so that undoing the parent
// will undo this edit as well.
v.editstack[i-1].composite.Add(current_edit)
}
}
// Pop this Edit and all the children off the Edit stack.
v.editstack = v.editstack[:i]
if selection_modified {
OnSelectionModified.Call(v)
}
}
func (c *OnQueryContextGlue) onQueryContext(v *backend.View, key string, operator util.Op, operand interface{}, match_all bool) backend.QueryContextReturn {
l := py.NewLock()
defer l.Unlock()
var (
pv, pk, po, poa, pm, ret py.Object
err error
)
if pv, err = toPython(v); err != nil {
log.Error(err)
return backend.Unknown
}
defer pv.Decref()
if pk, err = toPython(key); err != nil {
log.Error(err)
return backend.Unknown
}
defer pk.Decref()
if po, err = toPython(operator); err != nil {
log.Error(err)
return backend.Unknown
}
defer po.Decref()
if poa, err = toPython(operand); err != nil {
log.Error(err)
return backend.Unknown
}
defer poa.Decref()
if pm, err = toPython(match_all); err != nil {
log.Error(err)
return backend.Unknown
}
defer pm.Decref()
// interrupt := true
// defer func() { interrupt = false }()
// go func() {
// <-time.After(time.Second * 5)
// if interrupt {
// py.SetInterrupt()
// }
// }()
if ret, err = c.inner.Base().CallFunctionObjArgs(pv, pk, po, poa, pm); err != nil {
log.Error(err)
return backend.Unknown
}
defer ret.Decref()
if r2, ok := ret.(*py.Bool); ok {
if r2.Bool() {
return backend.True
} else {
return backend.False
}
} else {
log.Fine("other: %v", ret)
}
return backend.Unknown
}