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|
package lsp
import (
"context"
"sync"
"time"
)
type completionState struct {
stateMu sync.RWMutex
compCache map[string]string
compCacheOrder []string
pendingCompletions map[string][]CompletionItem
lastLLMCall time.Time
completionsDisabled bool
}
func newCompletionState() completionState {
return completionState{
compCache: make(map[string]string),
pendingCompletions: make(map[string][]CompletionItem),
}
}
func (s *completionState) storePendingCompletion(key string, items []CompletionItem) {
if len(items) == 0 {
return
}
cpy := make([]CompletionItem, len(items))
copy(cpy, items)
s.stateMu.Lock()
defer s.stateMu.Unlock()
if s.pendingCompletions == nil {
s.pendingCompletions = make(map[string][]CompletionItem)
}
s.pendingCompletions[key] = cpy
}
func (s *completionState) setCompletionsDisabled(disabled bool) bool {
s.stateMu.Lock()
defer s.stateMu.Unlock()
prev := s.completionsDisabled
s.completionsDisabled = disabled
return prev
}
func (s *completionState) completionDisabled() bool {
s.stateMu.RLock()
defer s.stateMu.RUnlock()
return s.completionsDisabled
}
func (s *completionState) takePendingCompletion(key string) []CompletionItem {
s.stateMu.Lock()
defer s.stateMu.Unlock()
if len(s.pendingCompletions) == 0 {
return nil
}
items, ok := s.pendingCompletions[key]
if !ok {
return nil
}
delete(s.pendingCompletions, key)
cpy := make([]CompletionItem, len(items))
copy(cpy, items)
return cpy
}
func (s *completionState) cacheGet(key string) (string, bool) {
s.stateMu.Lock()
defer s.stateMu.Unlock()
v, ok := s.compCache[key]
if !ok {
return "", false
}
s.touchLocked(key)
return v, true
}
func (s *completionState) cachePut(key, value string) {
s.stateMu.Lock()
defer s.stateMu.Unlock()
if s.compCache == nil {
s.compCache = make(map[string]string)
}
if _, exists := s.compCache[key]; !exists {
s.compCacheOrder = append(s.compCacheOrder, key)
s.compCache[key] = value
if len(s.compCacheOrder) > 10 {
old := s.compCacheOrder[0]
s.compCacheOrder = s.compCacheOrder[1:]
delete(s.compCache, old)
}
return
}
s.compCache[key] = value
s.touchLocked(key)
}
func (s *completionState) touchLocked(key string) {
idx := -1
for i, k := range s.compCacheOrder {
if k == key {
idx = i
break
}
}
if idx >= 0 {
s.compCacheOrder = append(append([]string{}, s.compCacheOrder[:idx]...), s.compCacheOrder[idx+1:]...)
}
s.compCacheOrder = append(s.compCacheOrder, key)
}
func (s *completionState) waitForThrottle(ctx context.Context, interval time.Duration) bool {
if interval <= 0 {
return true
}
var wait time.Duration
for {
s.stateMu.Lock()
next := s.lastLLMCall.Add(interval)
now := time.Now()
if now.Before(next) {
wait = next.Sub(now)
s.stateMu.Unlock()
timer := time.NewTimer(wait)
select {
case <-ctx.Done():
timer.Stop()
return false
case <-timer.C:
continue
}
}
s.lastLLMCall = now
s.stateMu.Unlock()
return true
}
}
func (s *Server) storePendingCompletion(key string, items []CompletionItem) {
s.completionState.storePendingCompletion(key, items)
}
func (s *Server) setCompletionsDisabled(disabled bool) bool {
return s.completionState.setCompletionsDisabled(disabled)
}
func (s *Server) completionDisabled() bool {
return s.completionState.completionDisabled()
}
func (s *Server) takePendingCompletion(key string) []CompletionItem {
return s.completionState.takePendingCompletion(key)
}
func (s *Server) completionCacheGet(key string) (string, bool) {
return s.completionState.cacheGet(key)
}
func (s *Server) completionCachePut(key, value string) {
s.completionState.cachePut(key, value)
}
func (s *Server) waitForThrottle(ctx context.Context) bool {
return s.completionState.waitForThrottle(ctx, s.completionThrottle())
}
|
