/*******************************************************************************
* Copyright (c) 2000, 2010 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)
*******************************************************************************/
package org.eclipse.wst.jsdt.internal.core;
import java.net.URI;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.PerformanceStats;
import org.eclipse.wst.jsdt.core.CompletionRequestor;
import org.eclipse.wst.jsdt.core.Flags;
import org.eclipse.wst.jsdt.core.IBuffer;
import org.eclipse.wst.jsdt.core.IBufferFactory;
import org.eclipse.wst.jsdt.core.IField;
import org.eclipse.wst.jsdt.core.IFunction;
import org.eclipse.wst.jsdt.core.IImportContainer;
import org.eclipse.wst.jsdt.core.IImportDeclaration;
import org.eclipse.wst.jsdt.core.IJavaScriptElement;
import org.eclipse.wst.jsdt.core.IJavaScriptModelStatusConstants;
import org.eclipse.wst.jsdt.core.IJavaScriptProject;
import org.eclipse.wst.jsdt.core.IJavaScriptUnit;
import org.eclipse.wst.jsdt.core.IMember;
import org.eclipse.wst.jsdt.core.IPackageFragment;
import org.eclipse.wst.jsdt.core.IPackageFragmentRoot;
import org.eclipse.wst.jsdt.core.IProblemRequestor;
import org.eclipse.wst.jsdt.core.ISourceRange;
import org.eclipse.wst.jsdt.core.IType;
import org.eclipse.wst.jsdt.core.ITypeRoot;
import org.eclipse.wst.jsdt.core.JavaScriptConventions;
import org.eclipse.wst.jsdt.core.JavaScriptCore;
import org.eclipse.wst.jsdt.core.JavaScriptModelException;
import org.eclipse.wst.jsdt.core.JsGlobalScopeContainerInitializer;
import org.eclipse.wst.jsdt.core.LibrarySuperType;
import org.eclipse.wst.jsdt.core.Signature;
import org.eclipse.wst.jsdt.core.WorkingCopyOwner;
import org.eclipse.wst.jsdt.core.compiler.CategorizedProblem;
import org.eclipse.wst.jsdt.core.compiler.CharOperation;
import org.eclipse.wst.jsdt.core.dom.AST;
import org.eclipse.wst.jsdt.internal.compiler.IProblemFactory;
import org.eclipse.wst.jsdt.internal.compiler.SourceElementParser;
import org.eclipse.wst.jsdt.internal.compiler.ast.CompilationUnitDeclaration;
import org.eclipse.wst.jsdt.internal.compiler.impl.CompilerOptions;
import org.eclipse.wst.jsdt.internal.compiler.problem.DefaultProblemFactory;
import org.eclipse.wst.jsdt.internal.compiler.util.SuffixConstants;
import org.eclipse.wst.jsdt.internal.core.util.MementoTokenizer;
import org.eclipse.wst.jsdt.internal.core.util.Messages;
import org.eclipse.wst.jsdt.internal.core.util.Util;
/**
* @see IJavaScriptUnit
*/
public class CompilationUnit extends Openable implements IJavaScriptUnit, org.eclipse.wst.jsdt.internal.compiler.env.ICompilationUnit, SuffixConstants, IVirtualParent {
/**
* Internal synonynm 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;
public String superTypeName;
/**
* 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,String superTypeName, WorkingCopyOwner owner) {
super(parent);
this.name = name;
this.owner = owner;
this.superTypeName = superTypeName;
}
public CompilationUnit(PackageFragment parent, String name, WorkingCopyOwner owner) {
this(parent,name,null,owner);
}
/*
* @see IJavaScriptUnit#becomeWorkingCopy(IProblemRequestor, IProgressMonitor)
*/
public void becomeWorkingCopy(IProblemRequestor problemRequestor, IProgressMonitor monitor) throws JavaScriptModelException {
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 IJavaScriptUnit#becomeWorkingCopy(IProgressMonitor)
*/
public void becomeWorkingCopy(IProgressMonitor monitor) throws JavaScriptModelException {
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 JavaScriptModelException {
// 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()) throw newJavaModelException(status);
}
// prevents reopening of non-primary working copies (they are closed when they are discarded and should not be reopened)
if (!isPrimary() && getPerWorkingCopyInfo() == null) {
throw newNotPresentException();
}
CompilationUnitElementInfo unitInfo = (CompilationUnitElementInfo) info;
// get buffer contents
IBuffer buffer = getBufferManager().getBuffer(CompilationUnit.this);
if (buffer == null) {
buffer = openBuffer(pm, unitInfo); // open buffer independently from the info, since we are building the info
}
final char[] contents;
if (buffer == null) {
contents = CharOperation.NO_CHAR ;
} else {
char[] characters = buffer.getCharacters();
contents = characters == null ? CharOperation.NO_CHAR : characters;
}
// generate structure and compute syntax problems if needed
CompilationUnitStructureRequestor requestor = new CompilationUnitStructureRequestor(this, unitInfo, newElements);
JavaModelManager.PerWorkingCopyInfo perWorkingCopyInfo = getPerWorkingCopyInfo();
IJavaScriptProject project = getJavaScriptProject();
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 ? JavaScriptCore.getOptions() : project.getOptions(true);
if (!computeProblems) {
// disable task tags checking to speed up parsing
options.put(JavaScriptCore.COMPILER_TASK_TAGS, ""); //$NON-NLS-1$
}
SourceElementParser parser = new SourceElementParser(
requestor,
problemFactory,
new CompilerOptions(options),
true/*report local declarations*/,
!createAST /*optimize string literals only if not creating a DOM AST*/);
parser.reportOnlyOneSyntaxError = !computeProblems;
parser.setMethodsFullRecovery(true);
parser.setStatementsRecovery((reconcileFlags & IJavaScriptUnit.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;
CompilationUnitDeclaration unit = parser.parseCompilationUnit(
new org.eclipse.wst.jsdt.internal.compiler.env.ICompilationUnit() {
public char[] getContents() {
return contents;
}
public char[] getMainTypeName() {
return CompilationUnit.this.getMainTypeName();
}
public char[][] getPackageName() {
return CompilationUnit.this.getPackageName();
}
public char[] getFileName() {
return CompilationUnit.this.getFileName();
}
public LibrarySuperType getCommonSuperType() {
return CompilationUnit.this.getCommonSuperType();
}
public String getInferenceID() {
return CompilationUnit.this.getInferenceID();
}
},
true /*full parse to find local elements*/);
// 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;
try {
if (computeProblems) {
if (problems == null) {
// report problems to the problem requestor
problems = new HashMap();
compilationUnitDeclaration = CompilationUnitProblemFinder.process(unit, this, contents, 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(unit, this, contents, parser, this.owner, problems, createAST, reconcileFlags, pm);
}
}
if (createAST) {
int astLevel = ((ASTHolderCUInfo) info).astLevel;
org.eclipse.wst.jsdt.core.dom.JavaScriptUnit cu = AST.convertCompilationUnit(astLevel, unit, contents, options, computeProblems, this, reconcileFlags, pm);
((ASTHolderCUInfo) info).ast = cu;
}
} finally {
if (compilationUnitDeclaration != null) {
compilationUnitDeclaration.cleanUp();
if (compilationUnitDeclaration.scope!=null)
compilationUnitDeclaration.scope.cleanup();
}
}
return unitInfo.isStructureKnown();
}
/*
* @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 org.eclipse.wst.jsdt.core.IOpenable#close
*/
public void close() throws JavaScriptModelException {
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
}
/* (non-Javadoc)
* @see org.eclipse.wst.jsdt.core.ICodeAssist#codeComplete(int, org.eclipse.wst.jsdt.core.CompletionRequestor)
*/
public void codeComplete(int offset, CompletionRequestor requestor) throws JavaScriptModelException {
codeComplete(offset, requestor, DefaultWorkingCopyOwner.PRIMARY);
}
/* (non-Javadoc)
* @see org.eclipse.wst.jsdt.core.ICodeAssist#codeComplete(int, org.eclipse.wst.jsdt.core.CompletionRequestor, org.eclipse.wst.jsdt.core.WorkingCopyOwner)
*/
public void codeComplete(int offset, CompletionRequestor requestor, WorkingCopyOwner workingCopyOwner) throws JavaScriptModelException {
codeComplete(this, isWorkingCopy() ? (org.eclipse.wst.jsdt.internal.compiler.env.ICompilationUnit) getOriginalElement() : this, offset, requestor, workingCopyOwner);
}
/**
* @see org.eclipse.wst.jsdt.core.ICodeAssist#codeSelect(int, int)
*/
public IJavaScriptElement[] codeSelect(int offset, int length) throws JavaScriptModelException {
return codeSelect(offset, length, DefaultWorkingCopyOwner.PRIMARY);
}
/**
* @see org.eclipse.wst.jsdt.core.ICodeAssist#codeSelect(int, int, WorkingCopyOwner)
*/
public IJavaScriptElement[] codeSelect(int offset, int length, WorkingCopyOwner workingCopyOwner) throws JavaScriptModelException {
return super.codeSelect(this, offset, length, workingCopyOwner);
}
/**
* @see org.eclipse.wst.jsdt.core.IWorkingCopy#commit(boolean, IProgressMonitor)
* @deprecated
*/
public void commit(boolean force, IProgressMonitor monitor) throws JavaScriptModelException {
commitWorkingCopy(force, monitor);
}
/**
* @see IJavaScriptUnit#commitWorkingCopy(boolean, IProgressMonitor)
*/
public void commitWorkingCopy(boolean force, IProgressMonitor monitor) throws JavaScriptModelException {
CommitWorkingCopyOperation op= new CommitWorkingCopyOperation(this, force);
op.runOperation(monitor);
}
/**
* @see org.eclipse.wst.jsdt.core.ISourceManipulation#copy(IJavaScriptElement, IJavaScriptElement, String, boolean, IProgressMonitor)
*/
public void copy(IJavaScriptElement container, IJavaScriptElement sibling, String rename, boolean force, IProgressMonitor monitor) throws JavaScriptModelException {
if (container == null) {
throw new IllegalArgumentException(Messages.operation_nullContainer);
}
IJavaScriptElement[] elements = new IJavaScriptElement[] {this};
IJavaScriptElement[] containers = new IJavaScriptElement[] {container};
String[] renamings = null;
if (rename != null) {
renamings = new String[] {rename};
}
getJavaScriptModel().copy(elements, containers, null, renamings, force, monitor);
}
/**
* Returns a new element info for this element.
*/
protected Object createElementInfo() {
return new CompilationUnitElementInfo();
}
/**
* @see IJavaScriptUnit#createImport(String, IJavaScriptElement, IProgressMonitor)
*/
public IImportDeclaration createImport(String importName, IJavaScriptElement sibling, IProgressMonitor monitor) throws JavaScriptModelException {
return createImport(importName, sibling, Flags.AccDefault, monitor);
}
/**
* @see IJavaScriptUnit#createImport(String, IJavaScriptElement, int, IProgressMonitor)
* @since 3.0
*/
public IImportDeclaration createImport(String importName, IJavaScriptElement sibling, int flags, IProgressMonitor monitor) throws JavaScriptModelException {
CreateImportOperation op = new CreateImportOperation(importName, this, flags);
if (sibling != null) {
op.createBefore(sibling);
}
op.runOperation(monitor);
return getImport(importName);
}
/**
* @see IJavaScriptUnit#createType(String, IJavaScriptElement, boolean, IProgressMonitor)
*/
public IType createType(String content, IJavaScriptElement sibling, boolean force, IProgressMonitor monitor) throws JavaScriptModelException {
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*/, getJavaScriptProject());
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 org.eclipse.wst.jsdt.core.ISourceManipulation#delete(boolean, IProgressMonitor)
*/
public void delete(boolean force, IProgressMonitor monitor) throws JavaScriptModelException {
IJavaScriptElement[] elements= new IJavaScriptElement[] {this};
getJavaScriptModel().delete(elements, force, monitor);
}
/**
* @see org.eclipse.wst.jsdt.core.IWorkingCopy#destroy()
* @deprecated
*/
public void destroy() {
try {
discardWorkingCopy();
} catch (JavaScriptModelException e) {
if (JavaModelManager.VERBOSE)
e.printStackTrace();
}
}
/*
* @see IJavaScriptUnit#discardWorkingCopy
*/
public void discardWorkingCopy() throws JavaScriptModelException {
// 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);
}
public boolean exists() {
// working copy always exists in the model until it is gotten rid of (even if not on classpath)
if (getPerWorkingCopyInfo() != null) return true;
// if not a working copy, it exists only if it is a primary compilation unit
return isPrimary() && validateCompilationUnit(getResource()).isOK();
}
/**
* @see IJavaScriptUnit#findElements(IJavaScriptElement)
*/
public IJavaScriptElement[] findElements(IJavaScriptElement element) {
ArrayList children = new ArrayList();
while (element != null && element.getElementType() != IJavaScriptElement.JAVASCRIPT_UNIT) {
children.add(element);
element = element.getParent();
}
if (element == null) return null;
IJavaScriptElement currentElement = this;
for (int i = children.size()-1; i >= 0; i--) {
SourceRefElement child = (SourceRefElement)children.get(i);
switch (child.getElementType()) {
case IJavaScriptElement.IMPORT_CONTAINER:
currentElement = ((IJavaScriptUnit)currentElement).getImportContainer();
break;
case IJavaScriptElement.IMPORT_DECLARATION:
currentElement = ((IImportContainer)currentElement).getImport(child.getElementName());
break;
case IJavaScriptElement.TYPE:
switch (currentElement.getElementType()) {
case IJavaScriptElement.JAVASCRIPT_UNIT:
currentElement = ((IJavaScriptUnit)currentElement).getType(child.getElementName());
break;
case IJavaScriptElement.TYPE:
currentElement = ((IType)currentElement).getType(child.getElementName());
break;
case IJavaScriptElement.FIELD:
case IJavaScriptElement.INITIALIZER:
case IJavaScriptElement.METHOD:
currentElement = ((IMember)currentElement).getType(child.getElementName(), child.occurrenceCount);
break;
}
break;
case IJavaScriptElement.INITIALIZER:
currentElement = ((IType)currentElement).getInitializer(child.occurrenceCount);
break;
case IJavaScriptElement.FIELD:
if (currentElement instanceof CompilationUnit)
currentElement = ((CompilationUnit)currentElement).getField(child.getElementName());
else
if (currentElement instanceof IType)
currentElement = ((IType)currentElement).getField(child.getElementName());
break;
case IJavaScriptElement.METHOD:
if (currentElement instanceof CompilationUnit)
currentElement = ((CompilationUnit)currentElement).getFunction(child.getElementName(), ((IFunction)child).getParameterTypes());
else if (currentElement instanceof SourceMethod)
currentElement = ((SourceMethod)currentElement).getFunction(child.getElementName(), ((IFunction)child).getParameterTypes());
else
currentElement = ((IType)currentElement).getFunction(child.getElementName(), ((IFunction)child).getParameterTypes());
break;
}
}
if (currentElement != null && currentElement.exists()) {
return new IJavaScriptElement[] {currentElement};
} else {
return null;
}
}
/**
* @see IJavaScriptUnit#findPrimaryType()
*/
public IType findPrimaryType() {
String typeName = Util.getNameWithoutJavaLikeExtension(getElementName());
IType primaryType= getType(typeName);
if (primaryType.exists()) {
return primaryType;
}
return null;
}
/**
* @see org.eclipse.wst.jsdt.core.IWorkingCopy#findSharedWorkingCopy(IBufferFactory)
* @deprecated
*/
public IJavaScriptElement findSharedWorkingCopy(IBufferFactory factory) {
// if factory is null, default factory must be used
if (factory == null) factory = this.getBufferManager().getDefaultBufferFactory();
return findWorkingCopy(BufferFactoryWrapper.create(factory));
}
/**
* @see IJavaScriptUnit#findWorkingCopy(WorkingCopyOwner)
*/
public IJavaScriptUnit 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 IJavaScriptUnit#getAllTypes()
*/
public IType[] getAllTypes() throws JavaScriptModelException {
IJavaScriptElement[] 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()
* @deprecated Use {@link #getJavaScriptUnit()} instead
*/
public IJavaScriptUnit getCompilationUnit() {
return getJavaScriptUnit();
}
/**
* @see IMember#getJavaScriptUnit()
*/
public IJavaScriptUnit getJavaScriptUnit() {
return this;
}
/**
* @see org.eclipse.wst.jsdt.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
try {
return Util.getResourceContentsAsCharArray((IFile) getResource());
} catch (JavaScriptModelException e) {
return CharOperation.NO_CHAR;
}
}
char[] contents = buffer.getCharacters();
if (contents == null) // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=129814
return CharOperation.NO_CHAR;
return contents;
}
/**
* A compilation unit has a corresponding resource unless it is contained
* in a jar.
*
* @see IJavaScriptElement#getCorrespondingResource()
*/
public IResource getCorrespondingResource() throws JavaScriptModelException {
PackageFragmentRoot root = getPackageFragmentRoot();
if (root == null || root.isArchive()) {
return null;
} else {
return getUnderlyingResource();
}
}
/**
* @see IJavaScriptUnit#getElementAt(int)
*/
public IJavaScriptElement getElementAt(int position) throws JavaScriptModelException {
IJavaScriptElement e= getSourceElementAt(position);
if (e == this) {
return null;
} else {
return e;
}
}
public String getElementName() {
return this.name;
}
/**
* @see IJavaScriptElement
*/
public int getElementType() {
return JAVASCRIPT_UNIT;
}
/**
* @see org.eclipse.wst.jsdt.internal.compiler.env.IDependent#getFileName()
*/
public char[] getFileName(){
if (name.startsWith("http:")) //$NON-NLS-1$
return name.toCharArray();
return getPath().toString().toCharArray();
}
/*
* @see JavaElement
*/
public IJavaScriptElement 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_TYPE:
if (!memento.hasMoreTokens()) return this;
String typeName = memento.nextToken();
JavaElement type = (JavaElement)getType(typeName);
return type.getHandleFromMemento(memento, workingCopyOwner);
case JEM_FIELD:
if (!memento.hasMoreTokens()) return this;
String fieldName = memento.nextToken();
JavaElement field = (JavaElement)getField(fieldName);
return field.getHandleFromMemento(memento, workingCopyOwner);
case JEM_LOCALVARIABLE:
if (!memento.hasMoreTokens()) return this;
String varName = memento.nextToken();
if (!memento.hasMoreTokens()) return this;
memento.nextToken(); // JEM_COUNT
if (!memento.hasMoreTokens()) return this;
int declarationStart = Integer.parseInt(memento.nextToken());
if (!memento.hasMoreTokens()) return this;
memento.nextToken(); // JEM_COUNT
if (!memento.hasMoreTokens()) return this;
int declarationEnd = Integer.parseInt(memento.nextToken());
if (!memento.hasMoreTokens()) return this;
memento.nextToken(); // JEM_COUNT
if (!memento.hasMoreTokens()) return this;
int nameStart = Integer.parseInt(memento.nextToken());
if (!memento.hasMoreTokens()) return this;
memento.nextToken(); // JEM_COUNT
if (!memento.hasMoreTokens()) return this;
int nameEnd = Integer.parseInt(memento.nextToken());
if (!memento.hasMoreTokens()) return this;
memento.nextToken(); // JEM_COUNT
if (!memento.hasMoreTokens()) return this;
String typeSignature = memento.nextToken();
return new LocalVariable(this, varName, declarationStart, declarationEnd, nameStart, nameEnd, typeSignature);
case JEM_METHOD:
if (!memento.hasMoreTokens()) return this;
String selector = memento.nextToken();
ArrayList params = new ArrayList();
nextParam: while (memento.hasMoreTokens()) {
token = memento.nextToken();
switch (token.charAt(0)) {
case JEM_TYPE:
case JEM_TYPE_PARAMETER:
break nextParam;
case JEM_METHOD:
if (!memento.hasMoreTokens()) return this;
String param = memento.nextToken();
StringBuffer buffer = new StringBuffer();
while (param.length() == 1 && Signature.C_ARRAY == param.charAt(0)) { // backward compatible with 3.0 mementos
buffer.append(Signature.C_ARRAY);
if (!memento.hasMoreTokens()) return this;
param = memento.nextToken();
}
params.add(buffer.toString() + param);
break;
default:
break nextParam;
}
}
String[] parameters = new String[params.size()];
params.toArray(parameters);
JavaElement method = (JavaElement)getFunction(selector, parameters);
switch (token.charAt(0)) {
case JEM_TYPE:
case JEM_TYPE_PARAMETER:
case JEM_LOCALVARIABLE:
return method.getHandleFromMemento(token, memento, workingCopyOwner);
default:
return method;
}
}
return null;
}
/**
* @see JavaElement#getHandleMementoDelimiter()
*/
protected char getHandleMementoDelimiter() {
return JavaElement.JEM_COMPILATIONUNIT;
}
/**
* @see IJavaScriptUnit#getImport(String)
*/
public IImportDeclaration getImport(String importName) {
return getImportContainer().getImport(importName);
}
/**
* @see IJavaScriptUnit#getImportContainer()
*/
public IImportContainer getImportContainer() {
return new ImportContainer(this);
}
/**
* @see IJavaScriptUnit#getImports()
*/
public IImportDeclaration[] getImports() throws JavaScriptModelException {
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;
}
}
IJavaScriptElement[] elements = ((JavaElementInfo) 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.wst.jsdt.internal.compiler.env.ICompilationUnit#getMainTypeName()
*/
public char[] getMainTypeName(){
return Util.getNameWithoutJavaLikeExtension(getElementName()).toCharArray();
}
/**
* @see org.eclipse.wst.jsdt.core.IWorkingCopy#getOriginal(IJavaScriptElement)
* @deprecated
*/
public IJavaScriptElement getOriginal(IJavaScriptElement workingCopyElement) {
// backward compatibility
if (!isWorkingCopy()) return null;
CompilationUnit cu = (CompilationUnit)workingCopyElement.getAncestor(JAVASCRIPT_UNIT);
if (cu == null || !this.owner.equals(cu.owner)) {
return null;
}
return workingCopyElement.getPrimaryElement();
}
/**
* @see org.eclipse.wst.jsdt.core.IWorkingCopy#getOriginalElement()
* @deprecated
*/
public IJavaScriptElement getOriginalElement() {
// backward compatibility
if (!isWorkingCopy()) return null;
return getPrimaryElement();
}
/*
* @see IJavaScriptUnit#getOwner()
*/
public WorkingCopyOwner getOwner() {
return isPrimary() || !isWorkingCopy() ? null : this.owner;
}
/**
* @see org.eclipse.wst.jsdt.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 IJavaScriptElement#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 IJavaScriptUnit#getPrimary()
*/
public IJavaScriptUnit getPrimary() {
return (IJavaScriptUnit)getPrimaryElement(true);
}
/*
* @see JavaElement#getPrimaryElement(boolean)
*/
public IJavaScriptElement getPrimaryElement(boolean checkOwner) {
if (checkOwner && isPrimary()) return this;
return new CompilationUnit((PackageFragment)getParent(), getElementName(), DefaultWorkingCopyOwner.PRIMARY);
}
/**
* @see IJavaScriptElement#getResource()
*/
public IResource getResource() {
PackageFragmentRoot root = getPackageFragmentRoot();
if (root == null) return null; // working copy not in workspace
if (root.isArchive()) {
return root.getResource();
} else {
IContainer parentResource = (IContainer) getParent().getResource();
if (parentResource!=null)
return parentResource.getFile(new Path(getElementName()));
}
return null;
}
/**
* @see org.eclipse.wst.jsdt.core.ISourceReference#getSource()
*/
public String getSource() throws JavaScriptModelException {
IBuffer buffer = getBuffer();
if (buffer == null) return ""; //$NON-NLS-1$
return buffer.getContents();
}
/**
* @see org.eclipse.wst.jsdt.core.ISourceReference#getSourceRange()
*/
public ISourceRange getSourceRange() throws JavaScriptModelException {
return ((CompilationUnitElementInfo) getElementInfo()).getSourceRange();
}
/**
* @see IJavaScriptUnit#getType(String)
*/
public IType getType(String typeName) {
return new SourceType(this, typeName);
}
/**
* @see IJavaScriptUnit#getTypes()
*/
public IType[] getTypes() throws JavaScriptModelException {
ArrayList list = getChildrenOfType(TYPE);
IType[] array= new IType[list.size()];
list.toArray(array);
return array;
}
/**
* @see IJavaScriptElement
*/
public IResource getUnderlyingResource() throws JavaScriptModelException {
if (isWorkingCopy() && !isPrimary()) return null;
return super.getUnderlyingResource();
}
/**
* @see org.eclipse.wst.jsdt.core.IWorkingCopy#getSharedWorkingCopy(IProgressMonitor, IBufferFactory, IProblemRequestor)
* @deprecated
*/
public IJavaScriptElement getSharedWorkingCopy(IProgressMonitor pm, IBufferFactory factory, IProblemRequestor problemRequestor) throws JavaScriptModelException {
// if factory is null, default factory must be used
if (factory == null) factory = this.getBufferManager().getDefaultBufferFactory();
return getWorkingCopy(BufferFactoryWrapper.create(factory), problemRequestor, pm);
}
/**
* @see org.eclipse.wst.jsdt.core.IWorkingCopy#getWorkingCopy()
* @deprecated
*/
public IJavaScriptElement getWorkingCopy() throws JavaScriptModelException {
return getWorkingCopy(null);
}
/**
* @see IJavaScriptUnit#getWorkingCopy(IProgressMonitor)
*/
public IJavaScriptUnit getWorkingCopy(IProgressMonitor monitor) throws JavaScriptModelException {
return getWorkingCopy(new WorkingCopyOwner() {/*non shared working copy*/}, null/*no problem requestor*/, monitor);
}
/**
* @see ITypeRoot#getWorkingCopy(WorkingCopyOwner, IProgressMonitor)
*/
public IJavaScriptUnit getWorkingCopy(WorkingCopyOwner workingCopyOwner, IProgressMonitor monitor) throws JavaScriptModelException {
return getWorkingCopy(workingCopyOwner, null, monitor);
}
/**
* @see org.eclipse.wst.jsdt.core.IWorkingCopy#getWorkingCopy(IProgressMonitor, IBufferFactory, IProblemRequestor)
* @deprecated
*/
public IJavaScriptElement getWorkingCopy(IProgressMonitor monitor, IBufferFactory factory, IProblemRequestor problemRequestor) throws JavaScriptModelException {
return getWorkingCopy(BufferFactoryWrapper.create(factory), problemRequestor, monitor);
}
/**
* @see IJavaScriptUnit#getWorkingCopy(WorkingCopyOwner, IProblemRequestor, IProgressMonitor)
* @deprecated
*/
public IJavaScriptUnit getWorkingCopy(WorkingCopyOwner workingCopyOwner, IProblemRequestor problemRequestor, IProgressMonitor monitor) throws JavaScriptModelException {
if (!isPrimary()) return this;
JavaModelManager manager = JavaModelManager.getJavaModelManager();
CompilationUnit workingCopy = new CompilationUnit((PackageFragment)getParent(), getElementName(),superTypeName, 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 IJavaScriptUnit#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();
}
/**
* @see org.eclipse.wst.jsdt.core.IWorkingCopy#isBasedOn(IResource)
* @deprecated
*/
public boolean isBasedOn(IResource resource) {
if (!isWorkingCopy()) return false;
if (!getResource().equals(resource)) return false;
return !hasResourceChanged();
}
/**
* @see org.eclipse.wst.jsdt.core.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
if (resource != null) {
char[][] inclusionPatterns = ((PackageFragmentRoot)root).fullInclusionPatternChars();
char[][] exclusionPatterns = ((PackageFragmentRoot)root).fullExclusionPatternChars();
if (Util.isExcluded(resource, inclusionPatterns, exclusionPatterns))
return new JavaModelStatus(IJavaScriptModelStatusConstants.ELEMENT_NOT_ON_CLASSPATH, this);
if (!resource.isAccessible())
return new JavaModelStatus(IJavaScriptModelStatusConstants.ELEMENT_DOES_NOT_EXIST, this);
}
IJavaScriptProject project = getJavaScriptProject();
return JavaScriptConventions.validateCompilationUnitName(getElementName(),project.getOption(JavaScriptCore.COMPILER_SOURCE, true), project.getOption(JavaScriptCore.COMPILER_COMPLIANCE, true));
}
/*
* @see IJavaScriptUnit#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 org.eclipse.wst.jsdt.core.IOpenable#makeConsistent(IProgressMonitor)
*/
public void makeConsistent(IProgressMonitor monitor) throws JavaScriptModelException {
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.wst.jsdt.core.dom.JavaScriptUnit makeConsistent(int astLevel, boolean resolveBindings, int reconcileFlags, HashMap problems, IProgressMonitor monitor) throws JavaScriptModelException {
if (isConsistent()) return null;
// 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, monitor);
org.eclipse.wst.jsdt.core.dom.JavaScriptUnit result = info.ast;
info.ast = null;
return result;
} else {
openWhenClosed(createElementInfo(), monitor);
return null;
}
}
/**
* @see org.eclipse.wst.jsdt.core.ISourceManipulation#move(IJavaScriptElement, IJavaScriptElement, String, boolean, IProgressMonitor)
*/
public void move(IJavaScriptElement container, IJavaScriptElement sibling, String rename, boolean force, IProgressMonitor monitor) throws JavaScriptModelException {
if (container == null) {
throw new IllegalArgumentException(Messages.operation_nullContainer);
}
IJavaScriptElement[] elements= new IJavaScriptElement[] {this};
IJavaScriptElement[] containers= new IJavaScriptElement[] {container};
String[] renamings= null;
if (rename != null) {
renamings= new String[] {rename};
}
getJavaScriptModel().move(elements, containers, null, renamings, force, monitor);
}
/**
* @see Openable#openBuffer(IProgressMonitor, Object)
*/
protected IBuffer openBuffer(IProgressMonitor pm, Object info) throws JavaScriptModelException {
// create buffer
BufferManager bufManager = getBufferManager();
boolean isWorkingCopy = isWorkingCopy();
IBuffer buffer =
isWorkingCopy
? this.owner.createBuffer(this)
: BufferManager.createBuffer(this);
if (buffer == null) return null;
// 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) {
IJavaScriptUnit original;
if (!isPrimary()
&& (original = new CompilationUnit((PackageFragment)getParent(), getElementName(), DefaultWorkingCopyOwner.PRIMARY)).isOpen()) {
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)this.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 openParent(Object childInfo, HashMap newElements, IProgressMonitor pm) throws JavaScriptModelException {
if (!isWorkingCopy())
super.openParent(childInfo, newElements, pm);
// don't open parent for a working copy to speed up the first becomeWorkingCopy
// (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=89411)
}
/**
* @see IJavaScriptUnit#reconcile()
* @deprecated
*/
public IMarker[] reconcile() throws JavaScriptModelException {
reconcile(NO_AST, false/*don't force problem detection*/, false, null/*use primary owner*/, null/*no progress monitor*/);
return null;
}
/**
* @see IJavaScriptUnit#reconcile(int, boolean, WorkingCopyOwner, IProgressMonitor)
*/
public void reconcile(boolean forceProblemDetection, IProgressMonitor monitor) throws JavaScriptModelException {
reconcile(NO_AST, forceProblemDetection? IJavaScriptUnit.FORCE_PROBLEM_DETECTION : 0, null/*use primary owner*/, monitor);
}
/**
* @see IJavaScriptUnit#reconcile(int, boolean, WorkingCopyOwner, IProgressMonitor)
* @since 3.0
*/
public org.eclipse.wst.jsdt.core.dom.JavaScriptUnit reconcile(
int astLevel,
boolean forceProblemDetection,
WorkingCopyOwner workingCopyOwner,
IProgressMonitor monitor) throws JavaScriptModelException {
return reconcile(astLevel, forceProblemDetection, false, workingCopyOwner, monitor);
}
/**
* @see IJavaScriptUnit#reconcile(int, boolean, WorkingCopyOwner, IProgressMonitor)
* @since 3.0
*/
public org.eclipse.wst.jsdt.core.dom.JavaScriptUnit reconcile(
int astLevel,
boolean forceProblemDetection,
boolean enableStatementsRecovery,
WorkingCopyOwner workingCopyOwner,
IProgressMonitor monitor) throws JavaScriptModelException {
int flags = 0;
if (forceProblemDetection) flags |= IJavaScriptUnit.FORCE_PROBLEM_DETECTION;
if (enableStatementsRecovery) flags |= IJavaScriptUnit.ENABLE_STATEMENTS_RECOVERY;
return reconcile(astLevel, flags, workingCopyOwner, monitor);
}
public org.eclipse.wst.jsdt.core.dom.JavaScriptUnit reconcile(
int astLevel,
int reconcileFlags,
WorkingCopyOwner workingCopyOwner,
IProgressMonitor monitor)
throws JavaScriptModelException {
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(this.getFileName()));
}
ReconcileWorkingCopyOperation op = new ReconcileWorkingCopyOperation(this, astLevel, reconcileFlags, workingCopyOwner);
JavaModelManager manager = JavaModelManager.getJavaModelManager();
try {
manager.cacheZipFiles(); // cache zip files for performance (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=134172)
op.runOperation(monitor);
} finally {
manager.flushZipFiles();
}
if(ReconcileWorkingCopyOperation.PERF) {
stats.endRun();
}
return op.ast;
}
/**
* @see org.eclipse.wst.jsdt.core.ISourceManipulation#rename(String, boolean, IProgressMonitor)
*/
public void rename(String newName, boolean force, IProgressMonitor monitor) throws JavaScriptModelException {
if (newName == null) {
throw new IllegalArgumentException(Messages.operation_nullName);
}
IJavaScriptElement[] elements= new IJavaScriptElement[] {this};
IJavaScriptElement[] dests= new IJavaScriptElement[] {this.getParent()};
String[] renamings= new String[] {newName};
getJavaScriptModel().rename(elements, dests, renamings, force, monitor);
}
/*
* @see IJavaScriptUnit
*/
public void restore() throws JavaScriptModelException {
if (!isWorkingCopy()) return;
CompilationUnit original = (CompilationUnit) getOriginalElement();
IBuffer buffer = this.getBuffer();
if (buffer == null) return;
buffer.setContents(original.getContents());
updateTimeStamp(original);
makeConsistent(null);
}
/**
* @see org.eclipse.wst.jsdt.core.IOpenable
*/
public void save(IProgressMonitor pm, boolean force) throws JavaScriptModelException {
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(this.tabString(tab));
buffer.append("[Working copy] "); //$NON-NLS-1$
toStringName(buffer);
} else {
if (isWorkingCopy()) {
buffer.append(this.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 JavaScriptModelException {
long timeStamp =
((IFile) original.getResource()).getModificationStamp();
if (timeStamp == IResource.NULL_STAMP) {
throw new JavaScriptModelException(
new JavaModelStatus(IJavaScriptModelStatusConstants.INVALID_RESOURCE));
}
((CompilationUnitElementInfo) getElementInfo()).timestamp = timeStamp;
}
public IField getField(String fieldName) {
return new SourceField(this, fieldName);
}
public IField[] getFields() throws JavaScriptModelException {
ArrayList list = getChildrenOfType(FIELD);
IField[] array= new IField[list.size()];
list.toArray(array);
return array;
}
public IFunction getFunction(String selector, String[] parameterTypeSignatures) {
return new SourceMethod(this, selector, parameterTypeSignatures);
}
/**
* @deprecated Use {@link #getFunctions()} instead
*/
public IFunction[] getMethods() throws JavaScriptModelException {
return getFunctions();
}
public IFunction[] getFunctions() throws JavaScriptModelException {
ArrayList list = getChildrenOfType(METHOD);
IFunction[] array= new IFunction[list.size()];
list.toArray(array);
return array;
}
public IField createField(String contents, IJavaScriptElement sibling, boolean force, IProgressMonitor monitor) throws JavaScriptModelException {
CreateFieldOperation op = new CreateFieldOperation(this, contents, force);
if (sibling != null) {
op.createBefore(sibling);
}
op.runOperation(monitor);
return (IField) op.getResultElements()[0];
}
/**
* @see IType
*/
/**
* @see IType
*/
public IFunction createMethod(String contents, IJavaScriptElement sibling, boolean force, IProgressMonitor monitor) throws JavaScriptModelException {
CreateMethodOperation op = new CreateMethodOperation(this, contents, force);
if (sibling != null) {
op.createBefore(sibling);
}
op.runOperation(monitor);
return (IFunction) op.getResultElements()[0];
}
public String getDisplayName() {
if(isVirtual()) {
JsGlobalScopeContainerInitializer init = ((IVirtualParent)parent).getContainerInitializer();
if(init==null) return super.getDisplayName();
return init.getDescription(new Path(getElementName()), getJavaScriptProject());
}
return super.getDisplayName();
}
public URI getHostPath() {
if(isVirtual()) {
JsGlobalScopeContainerInitializer init = ((IVirtualParent)parent).getContainerInitializer();
if(init!=null) return init.getHostPath(new Path(getElementName()), getJavaScriptProject());
}
return null;
}
public JsGlobalScopeContainerInitializer getContainerInitializer() {
JsGlobalScopeContainerInitializer init = null;
if (parent instanceof IVirtualParent)
init=((IVirtualParent)parent).getContainerInitializer();
return init;
}
public LibrarySuperType getCommonSuperType() {
IJavaScriptProject javaProject = getJavaScriptProject();
if(javaProject!=null && javaProject.exists()) return javaProject.getCommonSuperType();
return null;
}
public IFunction[] findFunctions(IFunction method) {
ArrayList list = new ArrayList();
try {
IFunction[]methods=getFunctions();
String elementName = method.getElementName();
for (int i = 0, length = methods.length; i < length; i++) {
IFunction existingMethod = methods[i];
if (elementName.equals(existingMethod.getElementName()))
{
list.add(existingMethod);
}
}
} catch (JavaScriptModelException e) {
}
int size = list.size();
if (size == 0) {
return null;
} else {
IFunction[] result = new IFunction[size];
list.toArray(result);
return result;
}
}
public String getInferenceID() {
JsGlobalScopeContainerInitializer containerInitializer = getContainerInitializer();
if (containerInitializer!=null)
return containerInitializer.getInferenceID();
return null;
}
public SearchableEnvironment newSearchableNameEnvironment(WorkingCopyOwner owner) throws JavaScriptModelException {
SearchableEnvironment env=super.newSearchableNameEnvironment(owner);
env.setCompilationUnit(this);
return env;
}
}