| /******************************************************************************* |
| * Copyright (c) 2000, 2014 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 |
| * Alex Smirnoff (alexsmr@sympatico.ca) - part of the changes to support Java-like extension |
| * (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=71460) |
| * Technical University Berlin - extended API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.core; |
| |
| import java.io.IOException; |
| import java.util.*; |
| |
| import org.eclipse.core.resources.*; |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.jdt.core.*; |
| import org.eclipse.jdt.core.compiler.*; |
| import org.eclipse.jdt.core.dom.AST; |
| import org.eclipse.jdt.internal.compiler.IProblemFactory; |
| import org.eclipse.jdt.internal.compiler.SourceElementParser; |
| import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration; |
| import org.eclipse.jdt.internal.compiler.impl.CompilerOptions; |
| import org.eclipse.jdt.internal.compiler.problem.AbortCompilationUnit; |
| import org.eclipse.jdt.internal.compiler.problem.DefaultProblemFactory; |
| import org.eclipse.jdt.internal.compiler.util.SuffixConstants; |
| import org.eclipse.jdt.internal.core.util.MementoTokenizer; |
| import org.eclipse.jdt.internal.core.util.Messages; |
| import org.eclipse.jdt.internal.core.util.Util; |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.text.edits.MalformedTreeException; |
| import org.eclipse.text.edits.TextEdit; |
| import org.eclipse.text.edits.UndoEdit; |
| |
| /** |
| * @see ICompilationUnit |
| */ |
| @SuppressWarnings({"rawtypes", "unchecked"}) |
| public class CompilationUnit extends Openable implements ICompilationUnit, org.eclipse.jdt.internal.compiler.env.ICompilationUnit, SuffixConstants { |
| /** |
| * Internal synonym for deprecated constant AST.JSL2 |
| * to alleviate deprecation warnings. |
| * @deprecated |
| */ |
| /*package*/ static final int JLS2_INTERNAL = AST.JLS2; |
| |
| private static final IImportDeclaration[] NO_IMPORTS = new IImportDeclaration[0]; |
| |
| protected String name; |
| public WorkingCopyOwner owner; |
| |
| /** |
| * Constructs a handle to a compilation unit with the given name in the |
| * specified package for the specified owner |
| */ |
| public CompilationUnit(PackageFragment parent, String name, WorkingCopyOwner owner) { |
| super(parent); |
| this.name = name; |
| this.owner = owner; |
| } |
| |
| |
| /* |
| * @see ICompilationUnit#applyTextEdit(TextEdit, IProgressMonitor) |
| */ |
| public UndoEdit applyTextEdit(TextEdit edit, IProgressMonitor monitor) throws JavaModelException { |
| IBuffer buffer = getBuffer(); |
| if (buffer instanceof IBuffer.ITextEditCapability) { |
| return ((IBuffer.ITextEditCapability) buffer).applyTextEdit(edit, monitor); |
| } else if (buffer != null) { |
| IDocument document = buffer instanceof IDocument ? (IDocument) buffer : new DocumentAdapter(buffer); |
| try { |
| UndoEdit undoEdit= edit.apply(document); |
| return undoEdit; |
| } catch (MalformedTreeException e) { |
| throw new JavaModelException(e, IJavaModelStatusConstants.BAD_TEXT_EDIT_LOCATION); |
| } catch (BadLocationException e) { |
| throw new JavaModelException(e, IJavaModelStatusConstants.BAD_TEXT_EDIT_LOCATION); |
| } |
| } |
| return null; // can not happen, there are no compilation units without buffer |
| } |
| |
| /* |
| * @see ICompilationUnit#becomeWorkingCopy(IProblemRequestor, IProgressMonitor) |
| */ |
| public void becomeWorkingCopy(IProblemRequestor problemRequestor, IProgressMonitor monitor) throws JavaModelException { |
| JavaModelManager manager = JavaModelManager.getJavaModelManager(); |
| JavaModelManager.PerWorkingCopyInfo perWorkingCopyInfo = manager.getPerWorkingCopyInfo(this, false/*don't create*/, true /*record usage*/, null/*no problem requestor needed*/); |
| if (perWorkingCopyInfo == null) { |
| // close cu and its children |
| close(); |
| |
| BecomeWorkingCopyOperation operation = new BecomeWorkingCopyOperation(this, problemRequestor); |
| operation.runOperation(monitor); |
| } |
| } |
| /* |
| * @see ICompilationUnit#becomeWorkingCopy(IProgressMonitor) |
| */ |
| public void becomeWorkingCopy(IProgressMonitor monitor) throws JavaModelException { |
| IProblemRequestor requestor = this.owner == null ? null : this.owner.getProblemRequestor(this); |
| becomeWorkingCopy(requestor, monitor); |
| } |
| protected boolean buildStructure(OpenableElementInfo info, final IProgressMonitor pm, Map newElements, IResource underlyingResource) throws JavaModelException { |
| CompilationUnitElementInfo unitInfo = (CompilationUnitElementInfo) info; |
| |
| // ensure buffer is opened |
| IBuffer buffer = getBufferManager().getBuffer(CompilationUnit.this); |
| if (buffer == null) { |
| openBuffer(pm, unitInfo); // open buffer independently from the info, since we are building the info |
| } |
| |
| // generate structure and compute syntax problems if needed |
| CompilationUnitStructureRequestor requestor = new CompilationUnitStructureRequestor(this, unitInfo, newElements); |
| JavaModelManager.PerWorkingCopyInfo perWorkingCopyInfo = getPerWorkingCopyInfo(); |
| IJavaProject project = getJavaProject(); |
| |
| boolean createAST; |
| boolean resolveBindings; |
| int reconcileFlags; |
| HashMap problems; |
| if (info instanceof ASTHolderCUInfo) { |
| ASTHolderCUInfo astHolder = (ASTHolderCUInfo) info; |
| createAST = astHolder.astLevel != NO_AST; |
| resolveBindings = astHolder.resolveBindings; |
| reconcileFlags = astHolder.reconcileFlags; |
| problems = astHolder.problems; |
| } else { |
| createAST = false; |
| resolveBindings = false; |
| reconcileFlags = 0; |
| problems = null; |
| } |
| |
| boolean computeProblems = perWorkingCopyInfo != null && perWorkingCopyInfo.isActive() && project != null && JavaProject.hasJavaNature(project.getProject()); |
| IProblemFactory problemFactory = new DefaultProblemFactory(); |
| Map options = project == null ? JavaCore.getOptions() : project.getOptions(true); |
| if (!computeProblems) { |
| // disable task tags checking to speed up parsing |
| options.put(JavaCore.COMPILER_TASK_TAGS, ""); //$NON-NLS-1$ |
| } |
| CompilerOptions compilerOptions = new CompilerOptions(options); |
| compilerOptions.ignoreMethodBodies = (reconcileFlags & ICompilationUnit.IGNORE_METHOD_BODIES) != 0; |
| SourceElementParser parser = new SourceElementParser( |
| requestor, |
| problemFactory, |
| compilerOptions, |
| true/*report local declarations*/, |
| !createAST /*optimize string literals only if not creating a DOM AST*/); |
| parser.reportOnlyOneSyntaxError = !computeProblems; |
| parser.setMethodsFullRecovery(true); |
| parser.setStatementsRecovery((reconcileFlags & ICompilationUnit.ENABLE_STATEMENTS_RECOVERY) != 0); |
| |
| if (!computeProblems && !resolveBindings && !createAST) // disable javadoc parsing if not computing problems, not resolving and not creating ast |
| parser.javadocParser.checkDocComment = false; |
| requestor.parser = parser; |
| |
| // update timestamp (might be IResource.NULL_STAMP if original does not exist) |
| if (underlyingResource == null) { |
| underlyingResource = getResource(); |
| } |
| // underlying resource is null in the case of a working copy on a class file in a jar |
| if (underlyingResource != null) |
| unitInfo.timestamp = ((IFile)underlyingResource).getModificationStamp(); |
| |
| // compute other problems if needed |
| CompilationUnitDeclaration compilationUnitDeclaration = null; |
| CompilationUnit source = cloneCachingContents(); |
| try { |
| if (computeProblems) { |
| if (problems == null) { |
| // report problems to the problem requestor |
| problems = new HashMap(); |
| compilationUnitDeclaration = CompilationUnitProblemFinder.process(source, parser, this.owner, problems, createAST, reconcileFlags, pm); |
| try { |
| perWorkingCopyInfo.beginReporting(); |
| for (Iterator iteraror = problems.values().iterator(); iteraror.hasNext();) { |
| CategorizedProblem[] categorizedProblems = (CategorizedProblem[]) iteraror.next(); |
| if (categorizedProblems == null) continue; |
| for (int i = 0, length = categorizedProblems.length; i < length; i++) { |
| perWorkingCopyInfo.acceptProblem(categorizedProblems[i]); |
| } |
| } |
| } finally { |
| perWorkingCopyInfo.endReporting(); |
| } |
| } else { |
| // collect problems |
| compilationUnitDeclaration = CompilationUnitProblemFinder.process(source, parser, this.owner, problems, createAST, reconcileFlags, pm); |
| } |
| } else { |
| compilationUnitDeclaration = parser.parseCompilationUnit(source, true /*full parse to find local elements*/, pm); |
| } |
| |
| if (createAST) { |
| int astLevel = ((ASTHolderCUInfo) info).astLevel; |
| org.eclipse.jdt.core.dom.CompilationUnit cu = AST.convertCompilationUnit(astLevel, compilationUnitDeclaration, options, computeProblems, source, reconcileFlags, pm); |
| ((ASTHolderCUInfo) info).ast = cu; |
| } |
| } finally { |
| if (compilationUnitDeclaration != null) { |
| unitInfo.hasFunctionalTypes = compilationUnitDeclaration.hasFunctionalTypes(); |
| compilationUnitDeclaration.cleanUp(); |
| } |
| } |
| |
| return unitInfo.isStructureKnown(); |
| } |
| /* |
| * Clone this handle so that it caches its contents in memory. |
| * DO NOT PASS TO CLIENTS |
| */ |
| public CompilationUnit cloneCachingContents() { |
| return new CompilationUnit((PackageFragment) this.parent, this.name, this.owner) { |
| private char[] cachedContents; |
| public char[] getContents() { |
| if (this.cachedContents == null) |
| this.cachedContents = CompilationUnit.this.getContents(); |
| return this.cachedContents; |
| } |
| public CompilationUnit originalFromClone() { |
| return CompilationUnit.this; |
| } |
| }; |
| } |
| /* |
| * @see Openable#canBeRemovedFromCache |
| */ |
| public boolean canBeRemovedFromCache() { |
| if (getPerWorkingCopyInfo() != null) return false; // working copies should remain in the cache until they are destroyed |
| return super.canBeRemovedFromCache(); |
| } |
| /* |
| * @see Openable#canBufferBeRemovedFromCache |
| */ |
| public boolean canBufferBeRemovedFromCache(IBuffer buffer) { |
| if (getPerWorkingCopyInfo() != null) return false; // working copy buffers should remain in the cache until working copy is destroyed |
| return super.canBufferBeRemovedFromCache(buffer); |
| }/* |
| * @see IOpenable#close |
| */ |
| public void close() throws JavaModelException { |
| if (getPerWorkingCopyInfo() != null) return; // a working copy must remain opened until it is discarded |
| super.close(); |
| } |
| /* |
| * @see Openable#closing |
| */ |
| protected void closing(Object info) { |
| if (getPerWorkingCopyInfo() == null) { |
| super.closing(info); |
| } // else the buffer of a working copy must remain open for the lifetime of the working copy |
| } |
| /** |
| * @see ICodeAssist#codeComplete(int, ICompletionRequestor) |
| * @deprecated |
| */ |
| public void codeComplete(int offset, ICompletionRequestor requestor) throws JavaModelException { |
| codeComplete(offset, requestor, DefaultWorkingCopyOwner.PRIMARY); |
| } |
| /** |
| * @see ICodeAssist#codeComplete(int, ICompletionRequestor, WorkingCopyOwner) |
| * @deprecated |
| */ |
| public void codeComplete(int offset, ICompletionRequestor requestor, WorkingCopyOwner workingCopyOwner) throws JavaModelException { |
| if (requestor == null) { |
| throw new IllegalArgumentException("Completion requestor cannot be null"); //$NON-NLS-1$ |
| } |
| codeComplete(offset, new org.eclipse.jdt.internal.codeassist.CompletionRequestorWrapper(requestor), workingCopyOwner); |
| } |
| /** |
| * @see ICodeAssist#codeComplete(int, ICodeCompletionRequestor) |
| * @deprecated - use codeComplete(int, ICompletionRequestor) |
| */ |
| public void codeComplete(int offset, final ICodeCompletionRequestor requestor) throws JavaModelException { |
| |
| if (requestor == null){ |
| codeComplete(offset, (ICompletionRequestor)null); |
| return; |
| } |
| codeComplete( |
| offset, |
| new ICompletionRequestor(){ |
| public void acceptAnonymousType(char[] superTypePackageName,char[] superTypeName,char[][] parameterPackageNames,char[][] parameterTypeNames,char[][] parameterNames,char[] completionName,int modifiers,int completionStart,int completionEnd, int relevance){ |
| // ignore |
| } |
| public void acceptClass(char[] packageName, char[] className, char[] completionName, int modifiers, int completionStart, int completionEnd, int relevance) { |
| requestor.acceptClass(packageName, className, completionName, modifiers, completionStart, completionEnd); |
| } |
| public void acceptError(IProblem error) { |
| // was disabled in 1.0 |
| } |
| public void acceptField(char[] declaringTypePackageName, char[] declaringTypeName, char[] fieldName, char[] typePackageName, char[] typeName, char[] completionName, int modifiers, int completionStart, int completionEnd, int relevance) { |
| requestor.acceptField(declaringTypePackageName, declaringTypeName, fieldName, typePackageName, typeName, completionName, modifiers, completionStart, completionEnd); |
| } |
| public void acceptInterface(char[] packageName,char[] interfaceName,char[] completionName,int modifiers,int completionStart,int completionEnd, int relevance) { |
| requestor.acceptInterface(packageName, interfaceName, completionName, modifiers, completionStart, completionEnd); |
| } |
| public void acceptKeyword(char[] keywordName,int completionStart,int completionEnd, int relevance){ |
| requestor.acceptKeyword(keywordName, completionStart, completionEnd); |
| } |
| public void acceptLabel(char[] labelName,int completionStart,int completionEnd, int relevance){ |
| requestor.acceptLabel(labelName, completionStart, completionEnd); |
| } |
| public void acceptLocalVariable(char[] localVarName,char[] typePackageName,char[] typeName,int modifiers,int completionStart,int completionEnd, int relevance){ |
| // ignore |
| } |
| public void acceptMethod(char[] declaringTypePackageName,char[] declaringTypeName,char[] selector,char[][] parameterPackageNames,char[][] parameterTypeNames,char[][] parameterNames,char[] returnTypePackageName,char[] returnTypeName,char[] completionName,int modifiers,int completionStart,int completionEnd, int relevance){ |
| // skip parameter names |
| requestor.acceptMethod(declaringTypePackageName, declaringTypeName, selector, parameterPackageNames, parameterTypeNames, returnTypePackageName, returnTypeName, completionName, modifiers, completionStart, completionEnd); |
| } |
| public void acceptMethodDeclaration(char[] declaringTypePackageName,char[] declaringTypeName,char[] selector,char[][] parameterPackageNames,char[][] parameterTypeNames,char[][] parameterNames,char[] returnTypePackageName,char[] returnTypeName,char[] completionName,int modifiers,int completionStart,int completionEnd, int relevance){ |
| // ignore |
| } |
| public void acceptModifier(char[] modifierName,int completionStart,int completionEnd, int relevance){ |
| requestor.acceptModifier(modifierName, completionStart, completionEnd); |
| } |
| public void acceptPackage(char[] packageName,char[] completionName,int completionStart,int completionEnd, int relevance){ |
| requestor.acceptPackage(packageName, completionName, completionStart, completionEnd); |
| } |
| public void acceptType(char[] packageName,char[] typeName,char[] completionName,int completionStart,int completionEnd, int relevance){ |
| requestor.acceptType(packageName, typeName, completionName, completionStart, completionEnd); |
| } |
| public void acceptVariableName(char[] typePackageName,char[] typeName,char[] varName,char[] completionName,int completionStart,int completionEnd, int relevance){ |
| // ignore |
| } |
| }); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.core.ICodeAssist#codeComplete(int, org.eclipse.jdt.core.CompletionRequestor) |
| */ |
| public void codeComplete(int offset, CompletionRequestor requestor) throws JavaModelException { |
| codeComplete(offset, requestor, DefaultWorkingCopyOwner.PRIMARY); |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.core.ICodeAssist#codeComplete(int, org.eclipse.jdt.core.CompletionRequestor, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public void codeComplete(int offset, CompletionRequestor requestor, IProgressMonitor monitor) throws JavaModelException { |
| codeComplete(offset, requestor, DefaultWorkingCopyOwner.PRIMARY, monitor); |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.core.ICodeAssist#codeComplete(int, org.eclipse.jdt.core.CompletionRequestor, org.eclipse.jdt.core.WorkingCopyOwner) |
| */ |
| public void codeComplete(int offset, CompletionRequestor requestor, WorkingCopyOwner workingCopyOwner) throws JavaModelException { |
| codeComplete(offset, requestor, workingCopyOwner, null); |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.core.ICodeAssist#codeComplete(int, org.eclipse.jdt.core.CompletionRequestor, org.eclipse.jdt.core.WorkingCopyOwner, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public void codeComplete(int offset, CompletionRequestor requestor, WorkingCopyOwner workingCopyOwner, IProgressMonitor monitor) throws JavaModelException { |
| codeComplete( |
| this, |
| isWorkingCopy() ? (org.eclipse.jdt.internal.compiler.env.ICompilationUnit) getOriginalElement() : this, |
| offset, |
| requestor, |
| workingCopyOwner, |
| this, |
| monitor); |
| } |
| |
| /** |
| * @see ICodeAssist#codeSelect(int, int) |
| */ |
| public IJavaElement[] codeSelect(int offset, int length) throws JavaModelException { |
| return codeSelect(offset, length, DefaultWorkingCopyOwner.PRIMARY); |
| } |
| /** |
| * @see ICodeAssist#codeSelect(int, int, WorkingCopyOwner) |
| */ |
| public IJavaElement[] codeSelect(int offset, int length, WorkingCopyOwner workingCopyOwner) throws JavaModelException { |
| return super.codeSelect(this, offset, length, workingCopyOwner); |
| } |
| /** |
| * @see IWorkingCopy#commit(boolean, IProgressMonitor) |
| * @deprecated |
| */ |
| public void commit(boolean force, IProgressMonitor monitor) throws JavaModelException { |
| commitWorkingCopy(force, monitor); |
| } |
| /** |
| * @see ICompilationUnit#commitWorkingCopy(boolean, IProgressMonitor) |
| */ |
| public void commitWorkingCopy(boolean force, IProgressMonitor monitor) throws JavaModelException { |
| //{ObjectTeams: extra carefull: |
| try { |
| // orig: |
| CommitWorkingCopyOperation op= new CommitWorkingCopyOperation(this, force); |
| op.runOperation(monitor); |
| // :giro |
| } catch (JavaModelException jme) { |
| throw jme; |
| } catch (OperationCanceledException oce) { |
| throw oce; // keep old behavior. |
| } catch (Throwable t) { |
| throw new JavaModelException(t, IStatus.ERROR); |
| } |
| // SH} |
| } |
| /** |
| * @see ISourceManipulation#copy(IJavaElement, IJavaElement, String, boolean, IProgressMonitor) |
| */ |
| public void copy(IJavaElement container, IJavaElement sibling, String rename, boolean force, IProgressMonitor monitor) throws JavaModelException { |
| if (container == null) { |
| throw new IllegalArgumentException(Messages.operation_nullContainer); |
| } |
| IJavaElement[] elements = new IJavaElement[] {this}; |
| IJavaElement[] containers = new IJavaElement[] {container}; |
| String[] renamings = null; |
| if (rename != null) { |
| renamings = new String[] {rename}; |
| } |
| getJavaModel().copy(elements, containers, null, renamings, force, monitor); |
| } |
| /** |
| * Returns a new element info for this element. |
| */ |
| protected Object createElementInfo() { |
| return new CompilationUnitElementInfo(); |
| } |
| /** |
| * @see ICompilationUnit#createImport(String, IJavaElement, IProgressMonitor) |
| */ |
| public IImportDeclaration createImport(String importName, IJavaElement sibling, IProgressMonitor monitor) throws JavaModelException { |
| return createImport(importName, sibling, Flags.AccDefault, monitor); |
| } |
| |
| /** |
| * @see ICompilationUnit#createImport(String, IJavaElement, int, IProgressMonitor) |
| * @since 3.0 |
| */ |
| public IImportDeclaration createImport(String importName, IJavaElement sibling, int flags, IProgressMonitor monitor) throws JavaModelException { |
| CreateImportOperation op = new CreateImportOperation(importName, this, flags); |
| if (sibling != null) { |
| op.createBefore(sibling); |
| } |
| op.runOperation(monitor); |
| return getImport(importName); |
| } |
| |
| /** |
| * @see ICompilationUnit#createPackageDeclaration(String, IProgressMonitor) |
| */ |
| public IPackageDeclaration createPackageDeclaration(String pkg, IProgressMonitor monitor) throws JavaModelException { |
| |
| CreatePackageDeclarationOperation op= new CreatePackageDeclarationOperation(pkg, this); |
| op.runOperation(monitor); |
| return getPackageDeclaration(pkg); |
| } |
| /** |
| * @see ICompilationUnit#createType(String, IJavaElement, boolean, IProgressMonitor) |
| */ |
| public IType createType(String content, IJavaElement sibling, boolean force, IProgressMonitor monitor) throws JavaModelException { |
| if (!exists()) { |
| //autogenerate this compilation unit |
| IPackageFragment pkg = (IPackageFragment) getParent(); |
| String source = ""; //$NON-NLS-1$ |
| if (!pkg.isDefaultPackage()) { |
| //not the default package...add the package declaration |
| String lineSeparator = Util.getLineSeparator(null/*no existing source*/, getJavaProject()); |
| source = "package " + pkg.getElementName() + ";" + lineSeparator + lineSeparator; //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| CreateCompilationUnitOperation op = new CreateCompilationUnitOperation(pkg, this.name, source, force); |
| op.runOperation(monitor); |
| } |
| CreateTypeOperation op = new CreateTypeOperation(this, content, force); |
| if (sibling != null) { |
| op.createBefore(sibling); |
| } |
| op.runOperation(monitor); |
| return (IType) op.getResultElements()[0]; |
| } |
| /** |
| * @see ISourceManipulation#delete(boolean, IProgressMonitor) |
| */ |
| public void delete(boolean force, IProgressMonitor monitor) throws JavaModelException { |
| IJavaElement[] elements= new IJavaElement[] {this}; |
| getJavaModel().delete(elements, force, monitor); |
| } |
| /** |
| * @see IWorkingCopy#destroy() |
| * @deprecated |
| */ |
| public void destroy() { |
| try { |
| discardWorkingCopy(); |
| } catch (JavaModelException e) { |
| if (JavaModelManager.VERBOSE) |
| e.printStackTrace(); |
| } |
| } |
| /* |
| * @see ICompilationUnit#discardWorkingCopy |
| */ |
| public void discardWorkingCopy() throws JavaModelException { |
| // discard working copy and its children |
| DiscardWorkingCopyOperation op = new DiscardWorkingCopyOperation(this); |
| op.runOperation(null); |
| } |
| /** |
| * Returns true if this handle represents the same Java element |
| * as the given handle. |
| * |
| * @see Object#equals(java.lang.Object) |
| */ |
| public boolean equals(Object obj) { |
| if (!(obj instanceof CompilationUnit)) return false; |
| CompilationUnit other = (CompilationUnit)obj; |
| return this.owner.equals(other.owner) && super.equals(obj); |
| } |
| /** |
| * @see ICompilationUnit#findElements(IJavaElement) |
| */ |
| public IJavaElement[] findElements(IJavaElement element) { |
| ArrayList children = new ArrayList(); |
| while (element != null && element.getElementType() != IJavaElement.COMPILATION_UNIT) { |
| children.add(element); |
| element = element.getParent(); |
| } |
| if (element == null) return null; |
| IJavaElement currentElement = this; |
| for (int i = children.size()-1; i >= 0; i--) { |
| SourceRefElement child = (SourceRefElement)children.get(i); |
| switch (child.getElementType()) { |
| case IJavaElement.PACKAGE_DECLARATION: |
| currentElement = ((ICompilationUnit)currentElement).getPackageDeclaration(child.getElementName()); |
| break; |
| case IJavaElement.IMPORT_CONTAINER: |
| currentElement = ((ICompilationUnit)currentElement).getImportContainer(); |
| break; |
| case IJavaElement.IMPORT_DECLARATION: |
| currentElement = ((IImportContainer)currentElement).getImport(child.getElementName()); |
| break; |
| case IJavaElement.TYPE: |
| switch (currentElement.getElementType()) { |
| case IJavaElement.COMPILATION_UNIT: |
| currentElement = ((ICompilationUnit)currentElement).getType(child.getElementName()); |
| break; |
| case IJavaElement.TYPE: |
| currentElement = ((IType)currentElement).getType(child.getElementName()); |
| break; |
| case IJavaElement.FIELD: |
| case IJavaElement.INITIALIZER: |
| case IJavaElement.METHOD: |
| currentElement = ((IMember)currentElement).getType(child.getElementName(), child.occurrenceCount); |
| break; |
| } |
| break; |
| case IJavaElement.INITIALIZER: |
| currentElement = ((IType)currentElement).getInitializer(child.occurrenceCount); |
| break; |
| case IJavaElement.FIELD: |
| currentElement = ((IType)currentElement).getField(child.getElementName()); |
| break; |
| case IJavaElement.METHOD: |
| currentElement = ((IType)currentElement).getMethod(child.getElementName(), ((IMethod)child).getParameterTypes()); |
| break; |
| } |
| |
| } |
| if (currentElement != null && currentElement.exists()) { |
| return new IJavaElement[] {currentElement}; |
| } else { |
| return null; |
| } |
| } |
| /** |
| * @see ICompilationUnit#findPrimaryType() |
| */ |
| public IType findPrimaryType() { |
| String typeName = Util.getNameWithoutJavaLikeExtension(getElementName()); |
| IType primaryType= getType(typeName); |
| if (primaryType.exists()) { |
| return primaryType; |
| } |
| return null; |
| } |
| |
| /** |
| * @see IWorkingCopy#findSharedWorkingCopy(IBufferFactory) |
| * @deprecated |
| */ |
| public IJavaElement findSharedWorkingCopy(IBufferFactory factory) { |
| |
| // if factory is null, default factory must be used |
| if (factory == null) factory = getBufferManager().getDefaultBufferFactory(); |
| |
| return findWorkingCopy(BufferFactoryWrapper.create(factory)); |
| } |
| |
| /** |
| * @see ICompilationUnit#findWorkingCopy(WorkingCopyOwner) |
| */ |
| public ICompilationUnit findWorkingCopy(WorkingCopyOwner workingCopyOwner) { |
| CompilationUnit cu = new CompilationUnit((PackageFragment)this.parent, getElementName(), workingCopyOwner); |
| if (workingCopyOwner == DefaultWorkingCopyOwner.PRIMARY) { |
| return cu; |
| } else { |
| // must be a working copy |
| JavaModelManager.PerWorkingCopyInfo perWorkingCopyInfo = cu.getPerWorkingCopyInfo(); |
| if (perWorkingCopyInfo != null) { |
| return perWorkingCopyInfo.getWorkingCopy(); |
| } else { |
| return null; |
| } |
| } |
| } |
| /** |
| * @see ICompilationUnit#getAllTypes() |
| */ |
| public IType[] getAllTypes() throws JavaModelException { |
| IJavaElement[] types = getTypes(); |
| int i; |
| ArrayList allTypes = new ArrayList(types.length); |
| ArrayList typesToTraverse = new ArrayList(types.length); |
| for (i = 0; i < types.length; i++) { |
| typesToTraverse.add(types[i]); |
| } |
| while (!typesToTraverse.isEmpty()) { |
| IType type = (IType) typesToTraverse.get(0); |
| typesToTraverse.remove(type); |
| allTypes.add(type); |
| types = type.getTypes(); |
| for (i = 0; i < types.length; i++) { |
| typesToTraverse.add(types[i]); |
| } |
| } |
| IType[] arrayOfAllTypes = new IType[allTypes.size()]; |
| allTypes.toArray(arrayOfAllTypes); |
| return arrayOfAllTypes; |
| } |
| /** |
| * @see IMember#getCompilationUnit() |
| */ |
| public ICompilationUnit getCompilationUnit() { |
| return this; |
| } |
| /** |
| * @see org.eclipse.jdt.internal.compiler.env.ICompilationUnit#getContents() |
| */ |
| public char[] getContents() { |
| IBuffer buffer = getBufferManager().getBuffer(this); |
| if (buffer == null) { |
| // no need to force opening of CU to get the content |
| // also this cannot be a working copy, as its buffer is never closed while the working copy is alive |
| IFile file = (IFile) getResource(); |
| // Get encoding from file |
| String encoding; |
| try { |
| encoding = file.getCharset(); |
| } catch(CoreException ce) { |
| // do not use any encoding |
| encoding = null; |
| } |
| try { |
| return Util.getResourceContentsAsCharArray(file, encoding); |
| } catch (JavaModelException e) { |
| if (JavaModelManager.getJavaModelManager().abortOnMissingSource.get() == Boolean.TRUE) { |
| IOException ioException = |
| e.getJavaModelStatus().getCode() == IJavaModelStatusConstants.IO_EXCEPTION ? |
| (IOException)e.getException() : |
| new IOException(e.getMessage()); |
| throw new AbortCompilationUnit(null, ioException, encoding); |
| } else { |
| Util.log(e, Messages.bind(Messages.file_notFound, file.getFullPath().toString())); |
| } |
| return CharOperation.NO_CHAR; |
| } |
| } |
| char[] contents = buffer.getCharacters(); |
| if (contents == null) { // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=129814 |
| if (JavaModelManager.getJavaModelManager().abortOnMissingSource.get() == Boolean.TRUE) { |
| IOException ioException = new IOException(Messages.buffer_closed); |
| IFile file = (IFile) getResource(); |
| // Get encoding from file |
| String encoding; |
| try { |
| encoding = file.getCharset(); |
| } catch(CoreException ce) { |
| // do not use any encoding |
| encoding = null; |
| } |
| throw new AbortCompilationUnit(null, ioException, encoding); |
| } |
| return CharOperation.NO_CHAR; |
| } |
| return contents; |
| } |
| /** |
| * A compilation unit has a corresponding resource unless it is contained |
| * in a jar. |
| * |
| * @see IJavaElement#getCorrespondingResource() |
| */ |
| public IResource getCorrespondingResource() throws JavaModelException { |
| PackageFragmentRoot root = getPackageFragmentRoot(); |
| if (root == null || root.isArchive()) { |
| return null; |
| } else { |
| return getUnderlyingResource(); |
| } |
| } |
| /** |
| * @see ICompilationUnit#getElementAt(int) |
| */ |
| public IJavaElement getElementAt(int position) throws JavaModelException { |
| |
| IJavaElement e= getSourceElementAt(position); |
| if (e == this) { |
| return null; |
| } else { |
| return e; |
| } |
| } |
| public String getElementName() { |
| return this.name; |
| } |
| /** |
| * @see IJavaElement |
| */ |
| public int getElementType() { |
| return COMPILATION_UNIT; |
| } |
| /** |
| * @see org.eclipse.jdt.internal.compiler.env.IDependent#getFileName() |
| */ |
| public char[] getFileName(){ |
| return getPath().toString().toCharArray(); |
| } |
| |
| /* |
| * @see JavaElement |
| */ |
| public IJavaElement getHandleFromMemento(String token, MementoTokenizer memento, WorkingCopyOwner workingCopyOwner) { |
| switch (token.charAt(0)) { |
| case JEM_IMPORTDECLARATION: |
| JavaElement container = (JavaElement)getImportContainer(); |
| return container.getHandleFromMemento(token, memento, workingCopyOwner); |
| case JEM_PACKAGEDECLARATION: |
| if (!memento.hasMoreTokens()) return this; |
| String pkgName = memento.nextToken(); |
| JavaElement pkgDecl = (JavaElement)getPackageDeclaration(pkgName); |
| return pkgDecl.getHandleFromMemento(memento, workingCopyOwner); |
| case JEM_TYPE: |
| if (!memento.hasMoreTokens()) return this; |
| String typeName = memento.nextToken(); |
| JavaElement type = (JavaElement)getType(typeName); |
| return type.getHandleFromMemento(memento, workingCopyOwner); |
| } |
| return null; |
| } |
| |
| /** |
| * @see JavaElement#getHandleMementoDelimiter() |
| */ |
| protected char getHandleMementoDelimiter() { |
| return JavaElement.JEM_COMPILATIONUNIT; |
| } |
| /** |
| * @see ICompilationUnit#getImport(String) |
| */ |
| public IImportDeclaration getImport(String importName) { |
| return getImportContainer().getImport(importName); |
| } |
| /** |
| * @see ICompilationUnit#getImportContainer() |
| */ |
| public IImportContainer getImportContainer() { |
| return new ImportContainer(this); |
| } |
| |
| |
| /** |
| * @see ICompilationUnit#getImports() |
| */ |
| public IImportDeclaration[] getImports() throws JavaModelException { |
| IImportContainer container= getImportContainer(); |
| JavaModelManager manager = JavaModelManager.getJavaModelManager(); |
| Object info = manager.getInfo(container); |
| if (info == null) { |
| if (manager.getInfo(this) != null) |
| // CU was opened, but no import container, then no imports |
| return NO_IMPORTS; |
| else { |
| open(null); // force opening of CU |
| info = manager.getInfo(container); |
| if (info == null) |
| // after opening, if no import container, then no imports |
| return NO_IMPORTS; |
| } |
| } |
| IJavaElement[] elements = ((ImportContainerInfo) info).children; |
| int length = elements.length; |
| IImportDeclaration[] imports = new IImportDeclaration[length]; |
| System.arraycopy(elements, 0, imports, 0, length); |
| return imports; |
| } |
| /** |
| * @see IMember#getTypeRoot() |
| */ |
| public ITypeRoot getTypeRoot() { |
| return this; |
| } |
| /** |
| * @see org.eclipse.jdt.internal.compiler.env.ICompilationUnit#getMainTypeName() |
| */ |
| public char[] getMainTypeName(){ |
| return Util.getNameWithoutJavaLikeExtension(getElementName()).toCharArray(); |
| } |
| /** |
| * @see IWorkingCopy#getOriginal(IJavaElement) |
| * @deprecated |
| */ |
| public IJavaElement getOriginal(IJavaElement workingCopyElement) { |
| // backward compatibility |
| if (!isWorkingCopy()) return null; |
| CompilationUnit cu = (CompilationUnit)workingCopyElement.getAncestor(COMPILATION_UNIT); |
| if (cu == null || !this.owner.equals(cu.owner)) { |
| return null; |
| } |
| |
| return workingCopyElement.getPrimaryElement(); |
| } |
| /** |
| * @see IWorkingCopy#getOriginalElement() |
| * @deprecated |
| */ |
| public IJavaElement getOriginalElement() { |
| // backward compatibility |
| if (!isWorkingCopy()) return null; |
| |
| return getPrimaryElement(); |
| } |
| /* |
| * @see ICompilationUnit#getOwner() |
| */ |
| public WorkingCopyOwner getOwner() { |
| return isPrimary() || !isWorkingCopy() ? null : this.owner; |
| } |
| /** |
| * @see ICompilationUnit#getPackageDeclaration(String) |
| */ |
| public IPackageDeclaration getPackageDeclaration(String pkg) { |
| return new PackageDeclaration(this, pkg); |
| } |
| /** |
| * @see ICompilationUnit#getPackageDeclarations() |
| */ |
| public IPackageDeclaration[] getPackageDeclarations() throws JavaModelException { |
| ArrayList list = getChildrenOfType(PACKAGE_DECLARATION); |
| IPackageDeclaration[] array= new IPackageDeclaration[list.size()]; |
| list.toArray(array); |
| return array; |
| } |
| /** |
| * @see org.eclipse.jdt.internal.compiler.env.ICompilationUnit#getPackageName() |
| */ |
| public char[][] getPackageName() { |
| PackageFragment packageFragment = (PackageFragment) getParent(); |
| if (packageFragment == null) return CharOperation.NO_CHAR_CHAR; |
| return Util.toCharArrays(packageFragment.names); |
| } |
| |
| /** |
| * @see IJavaElement#getPath() |
| */ |
| public IPath getPath() { |
| PackageFragmentRoot root = getPackageFragmentRoot(); |
| if (root == null) return new Path(getElementName()); // working copy not in workspace |
| if (root.isArchive()) { |
| return root.getPath(); |
| } else { |
| return getParent().getPath().append(getElementName()); |
| } |
| } |
| /* |
| * Returns the per working copy info for the receiver, or null if none exist. |
| * Note: the use count of the per working copy info is NOT incremented. |
| */ |
| public JavaModelManager.PerWorkingCopyInfo getPerWorkingCopyInfo() { |
| return JavaModelManager.getJavaModelManager().getPerWorkingCopyInfo(this, false/*don't create*/, false/*don't record usage*/, null/*no problem requestor needed*/); |
| } |
| /* |
| * @see ICompilationUnit#getPrimary() |
| */ |
| public ICompilationUnit getPrimary() { |
| return (ICompilationUnit)getPrimaryElement(true); |
| } |
| /* |
| * @see JavaElement#getPrimaryElement(boolean) |
| */ |
| public IJavaElement getPrimaryElement(boolean checkOwner) { |
| if (checkOwner && isPrimary()) return this; |
| return new CompilationUnit((PackageFragment)getParent(), getElementName(), DefaultWorkingCopyOwner.PRIMARY); |
| } |
| /* |
| * @see Openable#resource(PackageFragmentRoot) |
| */ |
| public IResource resource(PackageFragmentRoot root) { |
| if (root == null) return null; // working copy not in workspace |
| return ((IContainer) ((Openable) this.parent).resource(root)).getFile(new Path(getElementName())); |
| } |
| /** |
| * @see ISourceReference#getSource() |
| */ |
| public String getSource() throws JavaModelException { |
| IBuffer buffer = getBuffer(); |
| if (buffer == null) return ""; //$NON-NLS-1$ |
| return buffer.getContents(); |
| } |
| /** |
| * @see ISourceReference#getSourceRange() |
| */ |
| public ISourceRange getSourceRange() throws JavaModelException { |
| return ((CompilationUnitElementInfo) getElementInfo()).getSourceRange(); |
| } |
| /** |
| * @see ICompilationUnit#getType(String) |
| */ |
| public IType getType(String typeName) { |
| return new SourceType(this, typeName); |
| } |
| /** |
| * @see ICompilationUnit#getTypes() |
| */ |
| public IType[] getTypes() throws JavaModelException { |
| ArrayList list = getChildrenOfType(TYPE); |
| IType[] array= new IType[list.size()]; |
| list.toArray(array); |
| return array; |
| } |
| /** |
| * @see IJavaElement |
| */ |
| public IResource getUnderlyingResource() throws JavaModelException { |
| if (isWorkingCopy() && !isPrimary()) return null; |
| return super.getUnderlyingResource(); |
| } |
| /** |
| * @see IWorkingCopy#getSharedWorkingCopy(IProgressMonitor, IBufferFactory, IProblemRequestor) |
| * @deprecated |
| */ |
| public IJavaElement getSharedWorkingCopy(IProgressMonitor pm, IBufferFactory factory, IProblemRequestor problemRequestor) throws JavaModelException { |
| |
| // if factory is null, default factory must be used |
| if (factory == null) factory = getBufferManager().getDefaultBufferFactory(); |
| |
| return getWorkingCopy(BufferFactoryWrapper.create(factory), problemRequestor, pm); |
| } |
| /** |
| * @see IWorkingCopy#getWorkingCopy() |
| * @deprecated |
| */ |
| public IJavaElement getWorkingCopy() throws JavaModelException { |
| return getWorkingCopy(null); |
| } |
| /** |
| * @see ICompilationUnit#getWorkingCopy(IProgressMonitor) |
| */ |
| public ICompilationUnit getWorkingCopy(IProgressMonitor monitor) throws JavaModelException { |
| return getWorkingCopy(new WorkingCopyOwner() {/*non shared working copy*/}, null/*no problem requestor*/, monitor); |
| } |
| /** |
| * @see ITypeRoot#getWorkingCopy(WorkingCopyOwner, IProgressMonitor) |
| */ |
| public ICompilationUnit getWorkingCopy(WorkingCopyOwner workingCopyOwner, IProgressMonitor monitor) throws JavaModelException { |
| return getWorkingCopy(workingCopyOwner, null, monitor); |
| } |
| /** |
| * @see IWorkingCopy#getWorkingCopy(IProgressMonitor, IBufferFactory, IProblemRequestor) |
| * @deprecated |
| */ |
| public IJavaElement getWorkingCopy(IProgressMonitor monitor, IBufferFactory factory, IProblemRequestor problemRequestor) throws JavaModelException { |
| return getWorkingCopy(BufferFactoryWrapper.create(factory), problemRequestor, monitor); |
| } |
| /** |
| * @see ICompilationUnit#getWorkingCopy(WorkingCopyOwner, IProblemRequestor, IProgressMonitor) |
| * @deprecated |
| */ |
| public ICompilationUnit getWorkingCopy(WorkingCopyOwner workingCopyOwner, IProblemRequestor problemRequestor, IProgressMonitor monitor) throws JavaModelException { |
| if (!isPrimary()) return this; |
| |
| JavaModelManager manager = JavaModelManager.getJavaModelManager(); |
| |
| CompilationUnit workingCopy = new CompilationUnit((PackageFragment)getParent(), getElementName(), workingCopyOwner); |
| JavaModelManager.PerWorkingCopyInfo perWorkingCopyInfo = |
| manager.getPerWorkingCopyInfo(workingCopy, false/*don't create*/, true/*record usage*/, null/*not used since don't create*/); |
| if (perWorkingCopyInfo != null) { |
| return perWorkingCopyInfo.getWorkingCopy(); // return existing handle instead of the one created above |
| } |
| BecomeWorkingCopyOperation op = new BecomeWorkingCopyOperation(workingCopy, problemRequestor); |
| op.runOperation(monitor); |
| return workingCopy; |
| } |
| /** |
| * @see Openable#hasBuffer() |
| */ |
| protected boolean hasBuffer() { |
| return true; |
| } |
| /* |
| * @see ICompilationUnit#hasResourceChanged() |
| */ |
| public boolean hasResourceChanged() { |
| if (!isWorkingCopy()) return false; |
| |
| // if resource got deleted, then #getModificationStamp() will answer IResource.NULL_STAMP, which is always different from the cached |
| // timestamp |
| Object info = JavaModelManager.getJavaModelManager().getInfo(this); |
| if (info == null) return false; |
| IResource resource = getResource(); |
| if (resource == null) return false; |
| return ((CompilationUnitElementInfo)info).timestamp != resource.getModificationStamp(); |
| } |
| public boolean ignoreOptionalProblems() { |
| return getPackageFragmentRoot().ignoreOptionalProblems(); |
| } |
| /** |
| * @see IWorkingCopy#isBasedOn(IResource) |
| * @deprecated |
| */ |
| public boolean isBasedOn(IResource resource) { |
| if (!isWorkingCopy()) return false; |
| if (!getResource().equals(resource)) return false; |
| return !hasResourceChanged(); |
| } |
| /** |
| * @see IOpenable#isConsistent() |
| */ |
| public boolean isConsistent() { |
| return !JavaModelManager.getJavaModelManager().getElementsOutOfSynchWithBuffers().contains(this); |
| } |
| public boolean isPrimary() { |
| return this.owner == DefaultWorkingCopyOwner.PRIMARY; |
| } |
| /** |
| * @see Openable#isSourceElement() |
| */ |
| protected boolean isSourceElement() { |
| return true; |
| } |
| protected IStatus validateCompilationUnit(IResource resource) { |
| IPackageFragmentRoot root = getPackageFragmentRoot(); |
| // root never null as validation is not done for working copies |
| try { |
| if (root.getKind() != IPackageFragmentRoot.K_SOURCE) |
| return new JavaModelStatus(IJavaModelStatusConstants.INVALID_ELEMENT_TYPES, root); |
| } catch (JavaModelException e) { |
| return e.getJavaModelStatus(); |
| } |
| if (resource != null) { |
| char[][] inclusionPatterns = ((PackageFragmentRoot)root).fullInclusionPatternChars(); |
| char[][] exclusionPatterns = ((PackageFragmentRoot)root).fullExclusionPatternChars(); |
| if (Util.isExcluded(resource, inclusionPatterns, exclusionPatterns)) |
| return new JavaModelStatus(IJavaModelStatusConstants.ELEMENT_NOT_ON_CLASSPATH, this); |
| if (!resource.isAccessible()) |
| return new JavaModelStatus(IJavaModelStatusConstants.ELEMENT_DOES_NOT_EXIST, this); |
| } |
| IJavaProject project = getJavaProject(); |
| return JavaConventions.validateCompilationUnitName(getElementName(),project.getOption(JavaCore.COMPILER_SOURCE, true), project.getOption(JavaCore.COMPILER_COMPLIANCE, true)); |
| } |
| /* |
| * @see ICompilationUnit#isWorkingCopy() |
| */ |
| public boolean isWorkingCopy() { |
| // For backward compatibility, non primary working copies are always returning true; in removal |
| // delta, clients can still check that element was a working copy before being discarded. |
| return !isPrimary() || getPerWorkingCopyInfo() != null; |
| } |
| /** |
| * @see IOpenable#makeConsistent(IProgressMonitor) |
| */ |
| public void makeConsistent(IProgressMonitor monitor) throws JavaModelException { |
| makeConsistent(NO_AST, false/*don't resolve bindings*/, 0 /* don't perform statements recovery */, null/*don't collect problems but report them*/, monitor); |
| } |
| public org.eclipse.jdt.core.dom.CompilationUnit makeConsistent(int astLevel, boolean resolveBindings, int reconcileFlags, HashMap problems, IProgressMonitor monitor) throws JavaModelException { |
| if (isConsistent()) return null; |
| |
| try { |
| JavaModelManager.getJavaModelManager().abortOnMissingSource.set(Boolean.TRUE); |
| // create a new info and make it the current info |
| // (this will remove the info and its children just before storing the new infos) |
| if (astLevel != NO_AST || problems != null) { |
| ASTHolderCUInfo info = new ASTHolderCUInfo(); |
| info.astLevel = astLevel; |
| info.resolveBindings = resolveBindings; |
| info.reconcileFlags = reconcileFlags; |
| info.problems = problems; |
| openWhenClosed(info, true, monitor); |
| org.eclipse.jdt.core.dom.CompilationUnit result = info.ast; |
| info.ast = null; |
| return result; |
| } else { |
| openWhenClosed(createElementInfo(), true, monitor); |
| return null; |
| } |
| } finally { |
| JavaModelManager.getJavaModelManager().abortOnMissingSource.set(null); |
| } |
| } |
| /** |
| * @see ISourceManipulation#move(IJavaElement, IJavaElement, String, boolean, IProgressMonitor) |
| */ |
| public void move(IJavaElement container, IJavaElement sibling, String rename, boolean force, IProgressMonitor monitor) throws JavaModelException { |
| if (container == null) { |
| throw new IllegalArgumentException(Messages.operation_nullContainer); |
| } |
| IJavaElement[] elements= new IJavaElement[] {this}; |
| IJavaElement[] containers= new IJavaElement[] {container}; |
| |
| String[] renamings= null; |
| if (rename != null) { |
| renamings= new String[] {rename}; |
| } |
| getJavaModel().move(elements, containers, null, renamings, force, monitor); |
| } |
| |
| /** |
| * @see Openable#openBuffer(IProgressMonitor, Object) |
| */ |
| protected IBuffer openBuffer(IProgressMonitor pm, Object info) throws JavaModelException { |
| |
| // create buffer |
| BufferManager bufManager = getBufferManager(); |
| boolean isWorkingCopy = isWorkingCopy(); |
| IBuffer buffer = |
| isWorkingCopy |
| ? this.owner.createBuffer(this) |
| : BufferManager.createBuffer(this); |
| if (buffer == null) return null; |
| |
| ICompilationUnit original = null; |
| boolean mustSetToOriginalContent = false; |
| if (isWorkingCopy) { |
| // ensure that isOpen() is called outside the bufManager synchronized block |
| // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=237772 |
| mustSetToOriginalContent = !isPrimary() && (original = new CompilationUnit((PackageFragment)getParent(), getElementName(), DefaultWorkingCopyOwner.PRIMARY)).isOpen() ; |
| } |
| |
| // synchronize to ensure that 2 threads are not putting 2 different buffers at the same time |
| // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=146331 |
| synchronized(bufManager) { |
| IBuffer existingBuffer = bufManager.getBuffer(this); |
| if (existingBuffer != null) |
| return existingBuffer; |
| |
| // set the buffer source |
| if (buffer.getCharacters() == null) { |
| if (isWorkingCopy) { |
| if (mustSetToOriginalContent) { |
| buffer.setContents(original.getSource()); |
| } else { |
| IFile file = (IFile)getResource(); |
| if (file == null || !file.exists()) { |
| // initialize buffer with empty contents |
| buffer.setContents(CharOperation.NO_CHAR); |
| } else { |
| buffer.setContents(Util.getResourceContentsAsCharArray(file)); |
| } |
| } |
| } else { |
| IFile file = (IFile)getResource(); |
| if (file == null || !file.exists()) throw newNotPresentException(); |
| buffer.setContents(Util.getResourceContentsAsCharArray(file)); |
| } |
| } |
| |
| // add buffer to buffer cache |
| // note this may cause existing buffers to be removed from the buffer cache, but only primary compilation unit's buffer |
| // can be closed, thus no call to a client's IBuffer#close() can be done in this synchronized block. |
| bufManager.addBuffer(buffer); |
| |
| // listen to buffer changes |
| buffer.addBufferChangedListener(this); |
| } |
| return buffer; |
| } |
| protected void openAncestors(HashMap newElements, IProgressMonitor monitor) throws JavaModelException { |
| if (!isWorkingCopy()) { |
| super.openAncestors(newElements, monitor); |
| } |
| // else don't open ancestors for a working copy to speed up the first becomeWorkingCopy |
| // (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=89411) |
| } |
| /* |
| * @see #cloneCachingContents() |
| */ |
| public CompilationUnit originalFromClone() { |
| return this; |
| } |
| /** |
| * @see ICompilationUnit#reconcile() |
| * @deprecated |
| */ |
| public IMarker[] reconcile() throws JavaModelException { |
| reconcile(NO_AST, false/*don't force problem detection*/, false, null/*use primary owner*/, null/*no progress monitor*/); |
| return null; |
| } |
| /** |
| * @see ICompilationUnit#reconcile(int, boolean, WorkingCopyOwner, IProgressMonitor) |
| */ |
| public void reconcile(boolean forceProblemDetection, IProgressMonitor monitor) throws JavaModelException { |
| reconcile(NO_AST, forceProblemDetection? ICompilationUnit.FORCE_PROBLEM_DETECTION : 0, null/*use primary owner*/, monitor); |
| } |
| |
| /** |
| * @see ICompilationUnit#reconcile(int, boolean, WorkingCopyOwner, IProgressMonitor) |
| * @since 3.0 |
| */ |
| public org.eclipse.jdt.core.dom.CompilationUnit reconcile( |
| int astLevel, |
| boolean forceProblemDetection, |
| WorkingCopyOwner workingCopyOwner, |
| IProgressMonitor monitor) throws JavaModelException { |
| return reconcile(astLevel, forceProblemDetection? ICompilationUnit.FORCE_PROBLEM_DETECTION : 0, workingCopyOwner, monitor); |
| } |
| |
| /** |
| * @see ICompilationUnit#reconcile(int, boolean, WorkingCopyOwner, IProgressMonitor) |
| * @since 3.0 |
| */ |
| public org.eclipse.jdt.core.dom.CompilationUnit reconcile( |
| int astLevel, |
| boolean forceProblemDetection, |
| boolean enableStatementsRecovery, |
| WorkingCopyOwner workingCopyOwner, |
| IProgressMonitor monitor) throws JavaModelException { |
| int flags = 0; |
| if (forceProblemDetection) flags |= ICompilationUnit.FORCE_PROBLEM_DETECTION; |
| if (enableStatementsRecovery) flags |= ICompilationUnit.ENABLE_STATEMENTS_RECOVERY; |
| return reconcile(astLevel, flags, workingCopyOwner, monitor); |
| } |
| |
| public org.eclipse.jdt.core.dom.CompilationUnit reconcile( |
| int astLevel, |
| int reconcileFlags, |
| WorkingCopyOwner workingCopyOwner, |
| IProgressMonitor monitor) |
| throws JavaModelException { |
| //{ObjectTeams: extra carefull: |
| try { |
| // SH} |
| if (!isWorkingCopy()) return null; // Reconciling is not supported on non working copies |
| if (workingCopyOwner == null) workingCopyOwner = DefaultWorkingCopyOwner.PRIMARY; |
| |
| |
| PerformanceStats stats = null; |
| if(ReconcileWorkingCopyOperation.PERF) { |
| stats = PerformanceStats.getStats(JavaModelManager.RECONCILE_PERF, this); |
| stats.startRun(new String(getFileName())); |
| } |
| ReconcileWorkingCopyOperation op = new ReconcileWorkingCopyOperation(this, astLevel, reconcileFlags, workingCopyOwner); |
| JavaModelManager manager = JavaModelManager.getJavaModelManager(); |
| try { |
| manager.cacheZipFiles(this); // cache zip files for performance (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=134172) |
| op.runOperation(monitor); |
| } finally { |
| manager.flushZipFiles(this); |
| } |
| if(ReconcileWorkingCopyOperation.PERF) { |
| stats.endRun(); |
| } |
| return op.ast; |
| //{ObjectTeams: extra carefull: |
| } catch (JavaModelException jme) { |
| throw jme; // keep old behavior. |
| } catch (OperationCanceledException oce) { |
| throw oce; // keep old behavior. |
| } catch (Throwable t) { |
| throw new JavaModelException(t, IStatus.ERROR); // this one can be caught by higher levels. |
| } |
| // SH} |
| } |
| |
| /** |
| * @see ISourceManipulation#rename(String, boolean, IProgressMonitor) |
| */ |
| public void rename(String newName, boolean force, IProgressMonitor monitor) throws JavaModelException { |
| if (newName == null) { |
| throw new IllegalArgumentException(Messages.operation_nullName); |
| } |
| IJavaElement[] elements= new IJavaElement[] {this}; |
| IJavaElement[] dests= new IJavaElement[] {getParent()}; |
| String[] renamings= new String[] {newName}; |
| getJavaModel().rename(elements, dests, renamings, force, monitor); |
| } |
| /* |
| * @see ICompilationUnit |
| */ |
| public void restore() throws JavaModelException { |
| |
| if (!isWorkingCopy()) return; |
| |
| CompilationUnit original = (CompilationUnit) getOriginalElement(); |
| IBuffer buffer = getBuffer(); |
| if (buffer == null) return; |
| buffer.setContents(original.getContents()); |
| updateTimeStamp(original); |
| makeConsistent(null); |
| } |
| /** |
| * @see IOpenable |
| */ |
| public void save(IProgressMonitor pm, boolean force) throws JavaModelException { |
| if (isWorkingCopy()) { |
| // no need to save the buffer for a working copy (this is a noop) |
| reconcile(); // not simply makeConsistent, also computes fine-grain deltas |
| // in case the working copy is being reconciled already (if not it would miss |
| // one iteration of deltas). |
| } else { |
| super.save(pm, force); |
| } |
| } |
| /** |
| * Debugging purposes |
| */ |
| protected void toStringInfo(int tab, StringBuffer buffer, Object info, boolean showResolvedInfo) { |
| if (!isPrimary()) { |
| buffer.append(tabString(tab)); |
| buffer.append("[Working copy] "); //$NON-NLS-1$ |
| toStringName(buffer); |
| } else { |
| if (isWorkingCopy()) { |
| buffer.append(tabString(tab)); |
| buffer.append("[Working copy] "); //$NON-NLS-1$ |
| toStringName(buffer); |
| if (info == null) { |
| buffer.append(" (not open)"); //$NON-NLS-1$ |
| } |
| } else { |
| super.toStringInfo(tab, buffer, info, showResolvedInfo); |
| } |
| } |
| } |
| /* |
| * Assume that this is a working copy |
| */ |
| protected void updateTimeStamp(CompilationUnit original) throws JavaModelException { |
| long timeStamp = |
| ((IFile) original.getResource()).getModificationStamp(); |
| if (timeStamp == IResource.NULL_STAMP) { |
| throw new JavaModelException( |
| new JavaModelStatus(IJavaModelStatusConstants.INVALID_RESOURCE)); |
| } |
| ((CompilationUnitElementInfo) getElementInfo()).timestamp = timeStamp; |
| } |
| |
| protected IStatus validateExistence(IResource underlyingResource) { |
| // check if this compilation unit can be opened |
| if (!isWorkingCopy()) { // no check is done on root kind or exclusion pattern for working copies |
| IStatus status = validateCompilationUnit(underlyingResource); |
| if (!status.isOK()) |
| return status; |
| } |
| |
| // prevents reopening of non-primary working copies (they are closed when they are discarded and should not be reopened) |
| if (!isPrimary() && getPerWorkingCopyInfo() == null) { |
| return newDoesNotExistStatus(); |
| } |
| |
| return JavaModelStatus.VERIFIED_OK; |
| } |
| |
| public ISourceRange getNameRange() { |
| return null; |
| } |
| } |
