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src/main/java/com/github/_1c_syntax/bsl/languageserver/providers/CallHierarchyProvider.java
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| /* | ||
| * This file is a part of BSL Language Server. | ||
| * | ||
| * Copyright © 2018-2021 | ||
| * Alexey Sosnoviy <[email protected]>, Nikita Gryzlov <[email protected]> and contributors | ||
| * | ||
| * SPDX-License-Identifier: LGPL-3.0-or-later | ||
| * | ||
| * BSL Language Server is free software; you can redistribute it and/or | ||
| * modify it under the terms of the GNU Lesser General Public | ||
| * License as published by the Free Software Foundation; either | ||
| * version 3.0 of the License, or (at your option) any later version. | ||
| * | ||
| * BSL Language Server is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| * Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public | ||
| * License along with BSL Language Server. | ||
| */ | ||
| package com.github._1c_syntax.bsl.languageserver.providers; | ||
|
|
||
| import com.github._1c_syntax.bsl.languageserver.context.DocumentContext; | ||
| import com.github._1c_syntax.bsl.languageserver.references.ReferenceIndex; | ||
| import com.github._1c_syntax.bsl.languageserver.context.symbol.SourceDefinedSymbol; | ||
| import com.github._1c_syntax.bsl.languageserver.references.Reference; | ||
| import com.github._1c_syntax.bsl.languageserver.references.ReferenceResolver; | ||
| import com.github._1c_syntax.bsl.languageserver.utils.MdoRefBuilder; | ||
| import lombok.RequiredArgsConstructor; | ||
| import org.eclipse.lsp4j.CallHierarchyIncomingCall; | ||
| import org.eclipse.lsp4j.CallHierarchyIncomingCallsParams; | ||
| import org.eclipse.lsp4j.CallHierarchyItem; | ||
| import org.eclipse.lsp4j.CallHierarchyOutgoingCall; | ||
| import org.eclipse.lsp4j.CallHierarchyOutgoingCallsParams; | ||
| import org.eclipse.lsp4j.CallHierarchyPrepareParams; | ||
| import org.eclipse.lsp4j.Position; | ||
| import org.springframework.stereotype.Component; | ||
|
|
||
| import java.net.URI; | ||
| import java.util.ArrayList; | ||
| import java.util.Collection; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| import static java.util.stream.Collectors.groupingBy; | ||
| import static java.util.stream.Collectors.mapping; | ||
| import static java.util.stream.Collectors.toCollection; | ||
|
|
||
| @Component | ||
| @RequiredArgsConstructor | ||
| public class CallHierarchyProvider { | ||
|
|
||
| private final ReferenceResolver referenceResolver; | ||
| private final ReferenceIndex referenceIndex; | ||
|
|
||
| public List<CallHierarchyItem> prepareCallHierarchy( | ||
| DocumentContext documentContext, | ||
| CallHierarchyPrepareParams params | ||
| ) { | ||
| Position position = params.getPosition(); | ||
|
|
||
| return referenceResolver.findReference(documentContext.getUri(), position) | ||
| .flatMap(Reference::getSourceDefinedSymbol) | ||
| .map(CallHierarchyProvider::getCallHierarchyItem) | ||
| .map(Collections::singletonList) | ||
| .orElse(Collections.emptyList()) | ||
| ; | ||
| } | ||
|
|
||
| public List<CallHierarchyIncomingCall> incomingCalls( | ||
| DocumentContext documentContext, | ||
| CallHierarchyIncomingCallsParams params | ||
| ) { | ||
|
|
||
| URI uri = documentContext.getUri(); | ||
| CallHierarchyItem item = params.getItem(); | ||
| Position position = item.getSelectionRange().getStart(); | ||
|
|
||
| return referenceResolver.findReference(uri, position) | ||
| .flatMap(Reference::getSourceDefinedSymbol) | ||
| .stream() | ||
| .map(referenceIndex::getReferencesTo) | ||
| .flatMap(Collection::stream) | ||
| .collect(groupingBy( | ||
| Reference::getFrom, | ||
| mapping(Reference::getSelectionRange, toCollection(ArrayList::new))) | ||
| ) | ||
| .entrySet() | ||
| .stream() | ||
| .map(entry -> new CallHierarchyIncomingCall(getCallHierarchyItem(entry.getKey()), entry.getValue())) | ||
| .collect(Collectors.toList()); | ||
|
|
||
| } | ||
|
|
||
| public List<CallHierarchyOutgoingCall> outgoingCalls( | ||
| DocumentContext documentContext, | ||
| CallHierarchyOutgoingCallsParams params | ||
| ) { | ||
|
|
||
| URI uri = documentContext.getUri(); | ||
| Position position = params.getItem().getSelectionRange().getStart(); | ||
|
|
||
| return referenceResolver.findReference(uri, position) | ||
| .flatMap(Reference::getSourceDefinedSymbol) | ||
| .stream() | ||
| .map(referenceIndex::getReferencesFrom) | ||
| .flatMap(Collection::stream) | ||
| .filter(Reference::isSourceDefinedSymbolReference) | ||
| .collect(groupingBy( | ||
| reference -> reference.getSourceDefinedSymbol().orElseThrow(), | ||
| mapping(Reference::getSelectionRange, toCollection(ArrayList::new))) | ||
| ) | ||
| .entrySet() | ||
| .stream() | ||
| .map(entry -> new CallHierarchyOutgoingCall(getCallHierarchyItem(entry.getKey()), entry.getValue())) | ||
| .collect(Collectors.toList()); | ||
|
|
||
| } | ||
|
|
||
| private static CallHierarchyItem getCallHierarchyItem(SourceDefinedSymbol sourceDefinedSymbol) { | ||
| String detail = MdoRefBuilder.getMdoRef(sourceDefinedSymbol.getOwner()); | ||
|
|
||
| CallHierarchyItem item = new CallHierarchyItem(); | ||
| item.setName(sourceDefinedSymbol.getName()); | ||
| item.setDetail(detail); | ||
| item.setKind(sourceDefinedSymbol.getSymbolKind()); | ||
| item.setTags(sourceDefinedSymbol.getTags()); | ||
| item.setUri(sourceDefinedSymbol.getOwner().getUri().toString()); | ||
| item.setRange(sourceDefinedSymbol.getRange()); | ||
| item.setSelectionRange(sourceDefinedSymbol.getSelectionRange()); | ||
|
|
||
| return item; | ||
| } | ||
| } |
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