org.jetbrains.kotlin.resolve.AbstractFilteringTrace.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2017 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.kotlin.resolve
import org.jetbrains.kotlin.diagnostics.Diagnostic
import org.jetbrains.kotlin.util.slicedMap.WritableSlice
/**
* Trace which allows to keep some slices hidden from the parent trace.
*
* Compared with TemporaryBindingTrace + TraceEntryFilter, FilteringTrace doesn't
* make extra moves for slices that should be definitely recorded into parent
* (like storing them in the local map, later re-committing into parent's, etc.)
*/
abstract class AbstractFilteringTrace(
private val parentTrace: BindingTrace,
name: String
) : DelegatingBindingTrace(parentTrace.bindingContext, name, true, BindingTraceFilter.ACCEPT_ALL, false) {
abstract protected fun shouldBeHiddenFromParent(slice: WritableSlice, key: K): Boolean
override fun record(slice: WritableSlice, key: K, value: V) {
if (shouldBeHiddenFromParent(slice, key)) super.record(slice, key, value) else parentTrace.record(slice, key, value)
}
override fun report(diagnostic: Diagnostic) {
diagnosticsCallback?.callback(diagnostic)
parentTrace.report(diagnostic)
}
override fun wantsDiagnostics(): Boolean = parentTrace.wantsDiagnostics()
}