xref: /aosp_15_r20/external/ksp/compiler-plugin/src/main/kotlin/com/google/devtools/ksp/DualLookupTracker.kt (revision af87fb4bb8e3042070d2a054e912924f599b22b7)
1 /*
2  * Copyright 2021 Google LLC
3  * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 package com.google.devtools.ksp
19 
20 import org.jetbrains.kotlin.incremental.LookupTrackerImpl
21 import org.jetbrains.kotlin.incremental.components.LookupTracker
22 import org.jetbrains.kotlin.incremental.components.Position
23 import org.jetbrains.kotlin.incremental.components.ScopeKind
24 
25 class DualLookupTracker : LookupTracker {
26     val symbolTracker = LookupTrackerImpl(LookupTracker.DO_NOTHING)
27     val classTracker = LookupTrackerImpl(LookupTracker.DO_NOTHING)
28 
29     override val requiresPosition: Boolean
30         get() = symbolTracker.requiresPosition || classTracker.requiresPosition
31 
recordnull32     override fun record(filePath: String, position: Position, scopeFqName: String, scopeKind: ScopeKind, name: String) {
33         symbolTracker.record(filePath, position, scopeFqName, scopeKind, name)
34         if (scopeKind == ScopeKind.CLASSIFIER) {
35             val className = scopeFqName.substringAfterLast('.')
36             val outerScope = scopeFqName.substringBeforeLast('.', "<anonymous>")
37             // DO NOT USE: ScopeKind is meaningless
38             classTracker.record(filePath, position, outerScope, scopeKind, className)
39         }
40     }
41 
clearnull42     override fun clear() {
43         // Do not clear symbolTracker and classTracker.
44         // LookupTracker.clear() is called in repeatAnalysisIfNeeded, but we need records across all rounds.
45     }
46 }
47