func (v *View) parsethread() {
pc := 0
lastParse := -1
doparse := func() {
p := Prof.Enter("syntax.parse")
defer p.Exit()
defer func() {
if r := recover(); r != nil {
log4go.Error("Panic in parse thread: %v\n%s", r, string(debug.Stack()))
if pc > 0 {
panic(r)
}
pc++
}
}()
b := v.Buffer()
b.Lock()
sub := b.Substr(Region{0, b.Size()})
b.Unlock()
source, _ := v.Settings().Get("syntax", "").(string)
if len(source) != 0 {
// TODO
if pr, err := textmate.NewLanguageParser(source, sub); err != nil {
log4go.Error("Couldn't parse: %v", err)
} else if syn, err := parser.NewSyntaxHighlighter(pr); err != nil {
log4go.Error("Couldn't create syntaxhighlighter: %v", err)
} else {
v.lock.Lock()
defer v.lock.Unlock()
// Only set if it isn't invalid already, otherwise the
// current syntax highlighting will be more accurate
// as it will have had incremental adjustments done to it
if v.buffer.ChangeCount() == lastParse {
v.syntax = syn
for k := range v.regions {
if strings.HasPrefix(k, "lime.syntax") {
delete(v.regions, k)
}
}
for k, v2 := range syn.Flatten() {
if v2.Regions.HasNonEmpty() {
v.regions[k] = v2
}
}
}
}
}
}
for pr := range v.reparseChan {
if cc := v.buffer.ChangeCount(); lastParse != cc || pr.forced {
lastParse = cc
doparse()
v.Settings().Set("lime.syntax.updated", lastParse)
}
}
}
func (v *View) parsethread() {
pc := 0
doparse := func() {
p := Prof.Enter("syntax.parse")
defer p.Exit()
defer func() {
if r := recover(); r != nil {
log4go.Error("Panic in parse thread: %v\n%s", r, string(debug.Stack()))
if pc > 0 {
panic(r)
}
pc++
}
}()
b := v.Buffer()
b.Lock()
sub := b.Substr(Region{0, b.Size()})
b.Unlock()
source, _ := v.Settings().Get("syntax", "").(string)
if len(source) != 0 {
// TODO
if pr, err := textmate.NewLanguageParser(source, sub); err != nil {
log4go.Error("Couldn't parse: %v", err)
} else if syn, err := parser.NewSyntaxHighlighter(pr); err != nil {
log4go.Error("Couldn't create syntaxhighlighter: %v", err)
} else {
v.lock.Lock()
defer v.lock.Unlock()
v.syntax = syn
}
}
}
lastParse := -1
for pr := range v.reparseChan {
if cc := v.buffer.ChangeCount(); lastParse != cc || pr.forced {
lastParse = cc
doparse()
}
}
}