| /******************************************************************************* |
| * Copyright (c) 2021, 2022 Fabrice TIERCELIN and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Fabrice TIERCELIN - initial API and implementation |
| * Christian Femers - Bug 579471 |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.corext.fix; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Objects; |
| |
| import org.eclipse.core.runtime.CoreException; |
| |
| import org.eclipse.text.edits.TextEditGroup; |
| |
| import org.eclipse.jdt.core.dom.AST; |
| import org.eclipse.jdt.core.dom.ASTNode; |
| import org.eclipse.jdt.core.dom.ASTVisitor; |
| import org.eclipse.jdt.core.dom.ArrayCreation; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jdt.core.dom.Expression; |
| import org.eclipse.jdt.core.dom.ITypeBinding; |
| import org.eclipse.jdt.core.dom.Type; |
| import org.eclipse.jdt.core.dom.VariableDeclaration; |
| import org.eclipse.jdt.core.dom.rewrite.ASTRewrite; |
| import org.eclipse.jdt.core.dom.rewrite.TargetSourceRangeComputer; |
| import org.eclipse.jdt.core.manipulation.ICleanUpFixCore; |
| |
| import org.eclipse.jdt.internal.corext.dom.ASTNodes; |
| import org.eclipse.jdt.internal.corext.refactoring.structure.CompilationUnitRewrite; |
| |
| import org.eclipse.jdt.internal.ui.fix.MultiFixMessages; |
| |
| public class ArrayWithCurlyFixCore extends CompilationUnitRewriteOperationsFixCore { |
| public static final class ArrayWithCurlyFinder extends ASTVisitor { |
| private List<ArrayWithCurlyFixOperation> fResult; |
| |
| public ArrayWithCurlyFinder(List<ArrayWithCurlyFixOperation> ops) { |
| fResult= ops; |
| } |
| |
| @Override |
| public boolean visit(final ArrayCreation visited) { |
| if (visited.getInitializer() != null || isVoid(visited)) { |
| ITypeBinding arrayType= visited.resolveTypeBinding(); |
| ITypeBinding destinationType= ASTNodes.getTargetType(visited); |
| |
| if (arrayType != null |
| && Objects.equals(arrayType, destinationType) |
| && isDestinationAllowed(visited)) { |
| fResult.add(new ArrayWithCurlyFixOperation(visited)); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| private boolean isVoid(final ArrayCreation visited) { |
| List<Expression> dimensions= visited.dimensions(); |
| |
| for (Expression dimension : dimensions) { |
| if (!Long.valueOf(0L).equals(ASTNodes.getIntegerLiteral(dimension))) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| private boolean isDestinationAllowed(final ASTNode visited) { |
| ASTNode parent= visited.getParent(); |
| int parentType= parent.getNodeType(); |
| |
| boolean correctParent= parentType == ASTNode.FIELD_DECLARATION |
| || parentType == ASTNode.VARIABLE_DECLARATION_EXPRESSION |
| || parentType == ASTNode.VARIABLE_DECLARATION_FRAGMENT |
| || parentType == ASTNode.VARIABLE_DECLARATION_STATEMENT; |
| if (!correctParent) { |
| return false; |
| } |
| if (parent instanceof VariableDeclaration) { |
| Type type= ASTNodes.getType((VariableDeclaration) parent); |
| return type == null || !type.isVar(); |
| } |
| return true; |
| } |
| } |
| |
| public static class ArrayWithCurlyFixOperation extends CompilationUnitRewriteOperation { |
| private final ArrayCreation visited; |
| |
| public ArrayWithCurlyFixOperation(final ArrayCreation visited) { |
| this.visited= visited; |
| } |
| |
| @Override |
| public void rewriteAST(final CompilationUnitRewrite cuRewrite, final LinkedProposalModelCore linkedModel) throws CoreException { |
| ASTRewrite rewrite= cuRewrite.getASTRewrite(); |
| AST ast= cuRewrite.getRoot().getAST(); |
| TextEditGroup group= createTextEditGroup(MultiFixMessages.ArrayWithCurlyCleanup_description, cuRewrite); |
| rewrite.setTargetSourceRangeComputer(new TargetSourceRangeComputer() { |
| @Override |
| public SourceRange computeSourceRange(final ASTNode nodeWithComment) { |
| if (Boolean.TRUE.equals(nodeWithComment.getProperty(ASTNodes.UNTOUCH_COMMENT))) { |
| return new SourceRange(nodeWithComment.getStartPosition(), nodeWithComment.getLength()); |
| } |
| |
| return super.computeSourceRange(nodeWithComment); |
| } |
| }); |
| |
| if (visited.getInitializer() != null) { |
| ASTNodes.replaceButKeepComment(rewrite, visited, ASTNodes.createMoveTarget(rewrite, visited.getInitializer()), group); |
| } else { |
| ASTNodes.replaceButKeepComment(rewrite, visited, ast.newArrayInitializer(), group); |
| } |
| } |
| } |
| |
| |
| public static ICleanUpFixCore createCleanUp(final CompilationUnit compilationUnit) { |
| List<ArrayWithCurlyFixOperation> operations= new ArrayList<>(); |
| ArrayWithCurlyFinder finder= new ArrayWithCurlyFinder(operations); |
| compilationUnit.accept(finder); |
| |
| if (operations.isEmpty()) { |
| return null; |
| } |
| |
| CompilationUnitRewriteOperationsFixCore.CompilationUnitRewriteOperation[] ops= operations.toArray(new CompilationUnitRewriteOperationsFixCore.CompilationUnitRewriteOperation[0]); |
| return new ArrayWithCurlyFixCore(FixMessages.ArrayWithCurlyFix_description, compilationUnit, ops); |
| } |
| |
| protected ArrayWithCurlyFixCore(final String name, final CompilationUnit compilationUnit, final CompilationUnitRewriteOperationsFixCore.CompilationUnitRewriteOperation[] fixRewriteOperations) { |
| super(name, compilationUnit, fixRewriteOperations); |
| } |
| } |