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/******************************************************************************* |
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/******************************************************************************* |
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* Copyright (c) 2000, 2010 IBM Corporation and others. |
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* Copyright (c) 2000, 2011 IBM Corporation and others. |
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* All rights reserved. This program and the accompanying materials |
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* All rights reserved. This program and the accompanying materials |
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* are made available under the terms of the Eclipse Public License v1.0 |
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* are made available under the terms of the Eclipse Public License v1.0 |
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* which accompanies this distribution, and is available at |
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* which accompanies this distribution, and is available at |
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* @return <code>true</code> if the given compilation unit is the active one |
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* @return <code>true</code> if the given compilation unit is the active one |
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* @since 3.1 |
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* @since 3.1 |
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*/ |
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*/ |
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public boolean isActive(ICompilationUnit cu) { |
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public synchronized boolean isActive(ICompilationUnit cu) { |
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return cu != null && cu.equals(fActiveJavaElement); |
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return cu != null && cu.equals(fActiveJavaElement); |
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} |
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} |
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* @param progressMonitor the progress monitor or <code>null</code> |
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* @param progressMonitor the progress monitor or <code>null</code> |
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* @return the AST or <code>null</code> if the AST is not available |
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* @return the AST or <code>null</code> if the AST is not available |
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*/ |
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*/ |
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public CompilationUnit getAST(ITypeRoot input, WAIT_FLAG waitFlag, IProgressMonitor progressMonitor) { |
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public CompilationUnit getAST(final ITypeRoot input, WAIT_FLAG waitFlag, IProgressMonitor progressMonitor) { |
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if (input == null || waitFlag == null) |
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if (input == null || waitFlag == null) |
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throw new IllegalArgumentException("input or wait flag are null"); //$NON-NLS-1$ |
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throw new IllegalArgumentException("input or wait flag are null"); //$NON-NLS-1$ |
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final boolean canReturnNull= waitFlag == SharedASTProvider.WAIT_NO || (waitFlag == SharedASTProvider.WAIT_ACTIVE_ONLY && !(isActiveElement && fAST == null)); |
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final boolean canReturnNull= waitFlag == SharedASTProvider.WAIT_NO || (waitFlag == SharedASTProvider.WAIT_ACTIVE_ONLY && !(isActiveElement && fAST == null)); |
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boolean isReconciling= false; |
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boolean isReconciling= false; |
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final ITypeRoot activeElement; |
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if (isActiveElement) { |
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if (isActiveElement) { |
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synchronized (fReconcileLock) { |
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synchronized (fReconcileLock) { |
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activeElement= fReconcilingJavaElement; |
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isReconciling= isReconciling(input); |
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isReconciling= isReconciling(input); |
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if (!isReconciling && !canReturnNull) |
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if (!isReconciling && !canReturnNull) |
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aboutToBeReconciled(input); |
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aboutToBeReconciled(input); |
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} |
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} |
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} |
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} else |
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activeElement= null; |
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if (isReconciling) { |
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if (isReconciling) { |
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try { |
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try { |
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final ITypeRoot activeElement= fReconcilingJavaElement; |
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// Wait for AST |
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// Wait for AST |
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synchronized (fWaitLock) { |
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synchronized (fWaitLock) { |
