| /******************************************************************************* |
| * Copyright (c) 2018 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| * Red Hat Inc. - copied from SemanticHighlightingReconciler and modified |
| *******************************************************************************/ |
| |
| package org.eclipse.jdt.internal.ui.javaeditor; |
| |
| import org.eclipse.jdt.core.dom.ASTNode; |
| import org.eclipse.jdt.core.dom.BooleanLiteral; |
| import org.eclipse.jdt.core.dom.CharacterLiteral; |
| import org.eclipse.jdt.core.dom.ConstructorInvocation; |
| import org.eclipse.jdt.core.dom.Expression; |
| import org.eclipse.jdt.core.dom.NumberLiteral; |
| import org.eclipse.jdt.core.dom.SimpleName; |
| import org.eclipse.jdt.core.dom.SimpleType; |
| import org.eclipse.jdt.core.dom.SuperConstructorInvocation; |
| |
| import org.eclipse.jdt.internal.corext.dom.GenericVisitor; |
| |
| |
| /** |
| * Collects positions from the AST. |
| * |
| * @since 1.11 |
| */ |
| public abstract class PositionCollectorCore extends GenericVisitor { |
| |
| /* |
| * @see org.eclipse.jdt.internal.corext.dom.GenericVisitor#visitNode(org.eclipse.jdt.core.dom.ASTNode) |
| */ |
| @Override |
| protected boolean visitNode(ASTNode node) { |
| if ((node.getFlags() & ASTNode.MALFORMED) == ASTNode.MALFORMED) { |
| retainPositions(node.getStartPosition(), node.getLength()); |
| return false; |
| } |
| return true; |
| } |
| |
| /* |
| * @see org.eclipse.jdt.core.dom.ASTVisitor#visit(org.eclipse.jdt.core.dom.BooleanLiteral) |
| */ |
| @Override |
| public boolean visit(BooleanLiteral node) { |
| return visitLiteral(node); |
| } |
| |
| /* |
| * @see org.eclipse.jdt.core.dom.ASTVisitor#visit(org.eclipse.jdt.core.dom.CharacterLiteral) |
| */ |
| @Override |
| public boolean visit(CharacterLiteral node) { |
| return visitLiteral(node); |
| } |
| |
| /* |
| * @see org.eclipse.jdt.core.dom.ASTVisitor#visit(org.eclipse.jdt.core.dom.NumberLiteral) |
| */ |
| @Override |
| public boolean visit(NumberLiteral node) { |
| return visitLiteral(node); |
| } |
| |
| protected abstract boolean visitLiteral(Expression node); |
| |
| /* |
| * @see org.eclipse.jdt.internal.corext.dom.GenericVisitor#visit(org.eclipse.jdt.core.dom.ConstructorInvocation) |
| * @since 3.5 |
| */ |
| @Override |
| public abstract boolean visit(ConstructorInvocation node); |
| |
| /* |
| * @see org.eclipse.jdt.internal.corext.dom.GenericVisitor#visit(org.eclipse.jdt.core.dom.ConstructorInvocation) |
| * @since 3.5 |
| */ |
| @Override |
| public abstract boolean visit(SuperConstructorInvocation node); |
| |
| @Override |
| public abstract boolean visit(SimpleType node); |
| |
| /* |
| * @see org.eclipse.jdt.core.dom.ASTVisitor#visit(org.eclipse.jdt.core.dom.SimpleName) |
| */ |
| @Override |
| public abstract boolean visit(SimpleName node); |
| |
| /** |
| * Retain the positions completely contained in the given range. |
| * @param offset The range offset |
| * @param length The range length |
| */ |
| protected abstract void retainPositions(int offset, int length); |
| |
| } |