org.jetbrains.kotlin.resolve.calls.model.DataFlowInfoForArgumentsImpl Maven / Gradle / Ivy
/*
* Copyright 2010-2015 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.calls.model;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.kotlin.psi.Call;
import org.jetbrains.kotlin.psi.ValueArgument;
import org.jetbrains.kotlin.resolve.calls.smartcasts.DataFlowInfo;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
public class DataFlowInfoForArgumentsImpl extends MutableDataFlowInfoForArguments {
@Nullable private Map infoMap = null;
@Nullable private Map nextArgument = null;
@Nullable private DataFlowInfo resultInfo;
public DataFlowInfoForArgumentsImpl(@NotNull DataFlowInfo initialInfo, @NotNull Call call) {
super(initialInfo);
initNextArgMap(call.getValueArguments());
}
private void initNextArgMap(@NotNull List valueArguments) {
Iterator iterator = valueArguments.iterator();
ValueArgument prev = null;
while (iterator.hasNext()) {
ValueArgument argument = iterator.next();
if (prev != null) {
if (nextArgument == null) {
nextArgument = new HashMap<>();
}
nextArgument.put(prev, argument);
}
prev = argument;
}
}
@NotNull
@Override
public DataFlowInfo getInfo(@NotNull ValueArgument valueArgument) {
DataFlowInfo infoForArgument = infoMap == null ? null : infoMap.get(valueArgument);
if (infoForArgument == null) {
return initialDataFlowInfo;
}
return initialDataFlowInfo.and(infoForArgument);
}
@Override
public void updateInfo(@NotNull ValueArgument valueArgument, @NotNull DataFlowInfo dataFlowInfo) {
ValueArgument next = nextArgument == null ? null : nextArgument.get(valueArgument);
if (next != null) {
if (infoMap == null) {
infoMap = new HashMap<>();
}
infoMap.put(next, dataFlowInfo);
return;
}
//TODO assert resultInfo == null
resultInfo = dataFlowInfo;
}
@NotNull
@Override
public DataFlowInfo getResultInfo() {
if (resultInfo == null) return initialDataFlowInfo;
return initialDataFlowInfo.and(resultInfo);
}
@Override
public void updateResultInfo(@NotNull DataFlowInfo dataFlowInfo) {
if (dataFlowInfo.equals(DataFlowInfo.Companion.getEMPTY())) return;
if (resultInfo == null) resultInfo = initialDataFlowInfo;
resultInfo = resultInfo.and(dataFlowInfo);
}
}