| /******************************************************************************* |
| * Copyright (c) 2000, 2018 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Red Hat Inc. - copied to jdt.core.manipulation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.corext.refactoring.util; |
| |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| |
| import org.eclipse.jdt.core.IClassFile; |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.ITypeRoot; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.WorkingCopyOwner; |
| import org.eclipse.jdt.core.dom.ASTNode; |
| import org.eclipse.jdt.core.dom.ASTParser; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jdt.core.manipulation.CoreASTProvider; |
| |
| import org.eclipse.jdt.internal.corext.dom.IASTSharedValues; |
| import org.eclipse.jdt.internal.corext.util.JavaModelUtil; |
| |
| public class RefactoringASTParser { |
| |
| private ASTParser fParser; |
| |
| public RefactoringASTParser(int level) { |
| fParser= ASTParser.newParser(level); |
| } |
| |
| public CompilationUnit parse(ITypeRoot typeRoot, boolean resolveBindings) { |
| return parse(typeRoot, resolveBindings, null); |
| } |
| |
| public CompilationUnit parse(ITypeRoot typeRoot, boolean resolveBindings, IProgressMonitor pm) { |
| return parse(typeRoot, null, resolveBindings, pm); |
| } |
| |
| public CompilationUnit parse(ITypeRoot typeRoot, WorkingCopyOwner owner, boolean resolveBindings, IProgressMonitor pm) { |
| return parse(typeRoot, owner, resolveBindings, false, false, pm); |
| } |
| |
| public CompilationUnit parse(ITypeRoot typeRoot, WorkingCopyOwner owner, boolean resolveBindings, boolean statementsRecovery, boolean bindingsRecovery, IProgressMonitor pm) { |
| fParser.setResolveBindings(resolveBindings); |
| fParser.setStatementsRecovery(statementsRecovery); |
| fParser.setBindingsRecovery(bindingsRecovery); |
| fParser.setSource(typeRoot); |
| if (owner != null) |
| fParser.setWorkingCopyOwner(owner); |
| fParser.setCompilerOptions(getCompilerOptions(typeRoot)); |
| CompilationUnit result= (CompilationUnit) fParser.createAST(pm); |
| return result; |
| } |
| |
| /** |
| * @param newCuSource the source |
| * @param originalCu the compilation unit to get the name and project from |
| * @param resolveBindings whether bindings are to be resolved |
| * @param recovery whether statements and binding recovery should be enabled |
| * @param pm an {@link IProgressMonitor}, or <code>null</code> |
| * @return the parsed CompilationUnit |
| */ |
| public CompilationUnit parse(String newCuSource, ICompilationUnit originalCu, boolean resolveBindings, boolean recovery, IProgressMonitor pm) { |
| fParser.setResolveBindings(resolveBindings); |
| fParser.setStatementsRecovery(recovery); |
| fParser.setBindingsRecovery(recovery); |
| fParser.setSource(newCuSource.toCharArray()); |
| fParser.setUnitName(originalCu.getElementName()); |
| fParser.setProject(originalCu.getJavaProject()); |
| fParser.setCompilerOptions(getCompilerOptions(originalCu)); |
| CompilationUnit newCUNode= (CompilationUnit) fParser.createAST(pm); |
| return newCUNode; |
| } |
| |
| /** |
| * @param newCfSource the source |
| * @param originalCf the class file to get the name and project from |
| * @param resolveBindings whether bindings are to be resolved |
| * @param recovery whether statements and binding recovery should be enabled |
| * @param pm an {@link IProgressMonitor}, or <code>null</code> |
| * @return the parsed CompilationUnit |
| */ |
| public CompilationUnit parse(String newCfSource, IClassFile originalCf, boolean resolveBindings, boolean recovery, IProgressMonitor pm) { |
| fParser.setResolveBindings(resolveBindings); |
| fParser.setStatementsRecovery(recovery); |
| fParser.setBindingsRecovery(recovery); |
| fParser.setSource(newCfSource.toCharArray()); |
| String cfName= originalCf.getElementName(); |
| fParser.setUnitName(cfName.substring(0, cfName.length() - 6) + JavaModelUtil.DEFAULT_CU_SUFFIX); |
| fParser.setProject(originalCf.getJavaProject()); |
| fParser.setCompilerOptions(getCompilerOptions(originalCf)); |
| CompilationUnit newCUNode= (CompilationUnit) fParser.createAST(pm); |
| return newCUNode; |
| } |
| |
| /** |
| * Tries to get the shared AST from the ASTProvider. |
| * If the shared AST is not available, parses the type root with a |
| * RefactoringASTParser that uses settings similar to the ASTProvider. |
| * |
| * @param typeRoot the type root |
| * @param resolveBindings whether bindings are to be resolved if a new AST needs to be created |
| * @param pm an {@link IProgressMonitor}, or <code>null</code> |
| * @return the parsed CompilationUnit |
| */ |
| public static CompilationUnit parseWithASTProvider(ITypeRoot typeRoot, boolean resolveBindings, IProgressMonitor pm) { |
| CompilationUnit cuNode= CoreASTProvider.getInstance().getAST(typeRoot, CoreASTProvider.WAIT_ACTIVE_ONLY, pm); |
| if (cuNode != null) { |
| return cuNode; |
| } else { |
| return new RefactoringASTParser(IASTSharedValues.SHARED_AST_LEVEL).parse(typeRoot, null, resolveBindings, IASTSharedValues.SHARED_AST_STATEMENT_RECOVERY, IASTSharedValues.SHARED_BINDING_RECOVERY, pm); |
| } |
| } |
| |
| public static ICompilationUnit getCompilationUnit(ASTNode node) { |
| ASTNode root= node.getRoot(); |
| if (root instanceof CompilationUnit) { |
| IJavaElement cu= ((CompilationUnit) root).getJavaElement(); |
| if (cu instanceof ICompilationUnit) |
| return (ICompilationUnit) cu; |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the compiler options used for creating the refactoring AST. |
| * <p> |
| * Turns all errors, warnings and infos into ignore and disables task tags. The customizable set of |
| * compiler options only contains additional Eclipse options. The standard JDK compiler options |
| * can't be changed anyway. |
| * |
| * @param element an element (not the Java model) |
| * @return compiler options |
| */ |
| public static Map<String, String> getCompilerOptions(IJavaElement element) { |
| IJavaProject project= element.getJavaProject(); |
| Map<String, String> options= project.getOptions(true); |
| for (Entry<String, String> entry : options.entrySet()) { |
| String key = entry.getKey(); |
| String value= entry.getValue(); |
| if (JavaCore.ERROR.equals(value) || JavaCore.WARNING.equals(value) || JavaCore.INFO.equals(value)) { |
| // System.out.println("Ignoring - " + key); |
| options.put(key, JavaCore.IGNORE); |
| } |
| } |
| options.put(JavaCore.COMPILER_PB_MAX_PER_UNIT, "0"); //$NON-NLS-1$ |
| options.put(JavaCore.COMPILER_TASK_TAGS, ""); //$NON-NLS-1$ |
| return options; |
| } |
| } |