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// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cache
import (
"strings"
"golang.org/x/tools/gopls/internal/lsp/source"
"golang.org/x/tools/gopls/internal/span"
"golang.org/x/tools/internal/persistent"
)
// TODO(euroelessar): Use generics once support for go1.17 is dropped.
type filesMap struct {
impl *persistent.Map
}
// uriLessInterface is the < relation for "any" values containing span.URIs.
func uriLessInterface(a, b interface{}) bool {
return a.(span.URI) < b.(span.URI)
}
func newFilesMap() filesMap {
return filesMap{
impl: persistent.NewMap(uriLessInterface),
}
}
func (m filesMap) Clone() filesMap {
return filesMap{
impl: m.impl.Clone(),
}
}
func (m filesMap) Destroy() {
m.impl.Destroy()
}
func (m filesMap) Get(key span.URI) (source.VersionedFileHandle, bool) {
value, ok := m.impl.Get(key)
if !ok {
return nil, false
}
return value.(source.VersionedFileHandle), true
}
func (m filesMap) Range(do func(key span.URI, value source.VersionedFileHandle)) {
m.impl.Range(func(key, value interface{}) {
do(key.(span.URI), value.(source.VersionedFileHandle))
})
}
func (m filesMap) Set(key span.URI, value source.VersionedFileHandle) {
m.impl.Set(key, value, nil)
}
func (m filesMap) Delete(key span.URI) {
m.impl.Delete(key)
}
func parseKeyLessInterface(a, b interface{}) bool {
return parseKeyLess(a.(parseKey), b.(parseKey))
}
func parseKeyLess(a, b parseKey) bool {
if a.mode != b.mode {
return a.mode < b.mode
}
if a.file.Hash != b.file.Hash {
return a.file.Hash.Less(b.file.Hash)
}
return a.file.URI < b.file.URI
}
type isActivePackageCacheMap struct {
impl *persistent.Map
}
func newIsActivePackageCacheMap() isActivePackageCacheMap {
return isActivePackageCacheMap{
impl: persistent.NewMap(func(a, b interface{}) bool {
return a.(PackageID) < b.(PackageID)
}),
}
}
func (m isActivePackageCacheMap) Clone() isActivePackageCacheMap {
return isActivePackageCacheMap{
impl: m.impl.Clone(),
}
}
func (m isActivePackageCacheMap) Destroy() {
m.impl.Destroy()
}
func (m isActivePackageCacheMap) Get(key PackageID) (bool, bool) {
value, ok := m.impl.Get(key)
if !ok {
return false, false
}
return value.(bool), true
}
func (m isActivePackageCacheMap) Set(key PackageID, value bool) {
m.impl.Set(key, value, nil)
}
type parseKeysByURIMap struct {
impl *persistent.Map
}
func newParseKeysByURIMap() parseKeysByURIMap {
return parseKeysByURIMap{
impl: persistent.NewMap(uriLessInterface),
}
}
func (m parseKeysByURIMap) Clone() parseKeysByURIMap {
return parseKeysByURIMap{
impl: m.impl.Clone(),
}
}
func (m parseKeysByURIMap) Destroy() {
m.impl.Destroy()
}
func (m parseKeysByURIMap) Get(key span.URI) ([]parseKey, bool) {
value, ok := m.impl.Get(key)
if !ok {
return nil, false
}
return value.([]parseKey), true
}
func (m parseKeysByURIMap) Range(do func(key span.URI, value []parseKey)) {
m.impl.Range(func(key, value interface{}) {
do(key.(span.URI), value.([]parseKey))
})
}
func (m parseKeysByURIMap) Set(key span.URI, value []parseKey) {
m.impl.Set(key, value, nil)
}
func (m parseKeysByURIMap) Delete(key span.URI) {
m.impl.Delete(key)
}
func packageKeyLessInterface(x, y interface{}) bool {
return packageKeyLess(x.(packageKey), y.(packageKey))
}
func packageKeyLess(x, y packageKey) bool {
if x.mode != y.mode {
return x.mode < y.mode
}
return x.id < y.id
}
type knownDirsSet struct {
impl *persistent.Map
}
func newKnownDirsSet() knownDirsSet {
return knownDirsSet{
impl: persistent.NewMap(func(a, b interface{}) bool {
return a.(span.URI) < b.(span.URI)
}),
}
}
func (s knownDirsSet) Clone() knownDirsSet {
return knownDirsSet{
impl: s.impl.Clone(),
}
}
func (s knownDirsSet) Destroy() {
s.impl.Destroy()
}
func (s knownDirsSet) Contains(key span.URI) bool {
_, ok := s.impl.Get(key)
return ok
}
func (s knownDirsSet) Range(do func(key span.URI)) {
s.impl.Range(func(key, value interface{}) {
do(key.(span.URI))
})
}
func (s knownDirsSet) SetAll(other knownDirsSet) {
s.impl.SetAll(other.impl)
}
func (s knownDirsSet) Insert(key span.URI) {
s.impl.Set(key, nil, nil)
}
func (s knownDirsSet) Remove(key span.URI) {
s.impl.Delete(key)
}
// analysisKeyLessInterface is the less-than relation for analysisKey
// values wrapped in an interface.
func analysisKeyLessInterface(a, b interface{}) bool {
x, y := a.(analysisKey), b.(analysisKey)
if cmp := strings.Compare(x.analyzerNames, y.analyzerNames); cmp != 0 {
return cmp < 0
}
return x.pkgid < y.pkgid
}
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