package net.sourceforge.phpdt.internal.core;
import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
import net.sourceforge.phpdt.core.ICompilationUnit;
import net.sourceforge.phpdt.core.IJavaElement;
import net.sourceforge.phpdt.core.IJavaModel;
import net.sourceforge.phpdt.core.IJavaModelStatusConstants;
import net.sourceforge.phpdt.core.IJavaProject;
+import net.sourceforge.phpdt.core.IMember;
import net.sourceforge.phpdt.core.IOpenable;
+import net.sourceforge.phpdt.core.IParent;
+import net.sourceforge.phpdt.core.ISourceRange;
+import net.sourceforge.phpdt.core.ISourceReference;
import net.sourceforge.phpdt.core.JavaModelException;
+import net.sourceforge.phpdt.core.jdom.IDOMCompilationUnit;
+import net.sourceforge.phpdt.core.jdom.IDOMNode;
+import net.sourceforge.phpdt.internal.corext.Assert;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IResourceStatus;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.PlatformObject;
+import org.eclipse.core.runtime.jobs.ISchedulingRule;
+import net.sourceforge.phpdt.internal.core.JavaElementInfo;
+
+import net.sourceforge.phpdt.internal.core.JavaModelManager;
+import net.sourceforge.phpdt.internal.core.util.Util;
/**
* Root of Java element handle hierarchy.
* them. The occurrence count starts at 1 (thus the first
* occurrence is occurrence 1, not occurrence 0).
*/
- protected int fOccurrenceCount = 1;
+ protected int occurrenceCount = 1;
/**
* This element's type - one of the constants defined
* in IJavaLanguageElementTypes.
*/
- protected int fLEType = 0;
+ //protected int fLEType = 0;
/**
* This element's parent, or <code>null</code> if this
* element does not have a parent.
*/
- protected IJavaElement fParent;
+ protected IJavaElement parent;
/**
* This element's name, or an empty <code>String</code> if this
* element does not have a name.
*/
- protected String fName;
+ protected String name;
protected static final Object NO_INFO = new Object();
/**
- * Constructs a handle for a java element of the specified type, with
+ * Constructs a handle for a java element with
* the given parent element and name.
*
- * @param type - one of the constants defined in IJavaLanguageElement
+ * @param parent The parent of java element
+ * @param name The name of java element
*
* @exception IllegalArgumentException if the type is not one of the valid
* Java element type constants
*
*/
- protected JavaElement(int type, IJavaElement parent, String name) throws IllegalArgumentException {
- if (type < JAVA_MODEL || type > IMPORT_DECLARATION) {
- throw new IllegalArgumentException(Util.bind("element.invalidType")); //$NON-NLS-1$
- }
- fLEType= type;
- fParent= parent;
- fName= name;
+ protected JavaElement(JavaElement parent, String name) throws IllegalArgumentException {
+ this.parent = parent;
+ this.name = name;
}
/**
* @see IOpenable
*/
-// public void close() throws JavaModelException {
-// Object info = JavaModelManager.getJavaModelManager().peekAtInfo(this);
-// if (info != null) {
-// boolean wasVerbose = false;
-// try {
-// if (JavaModelManager.VERBOSE) {
-// System.out.println("CLOSING Element ("+ Thread.currentThread()+"): " + this.toStringWithAncestors()); //$NON-NLS-1$//$NON-NLS-2$
-// wasVerbose = true;
-// JavaModelManager.VERBOSE = false;
-// }
-// if (this instanceof IParent) {
-// IJavaElement[] children = ((JavaElementInfo) info).getChildren();
-// for (int i = 0, size = children.length; i < size; ++i) {
-// JavaElement child = (JavaElement) children[i];
-// child.close();
-// }
-// }
-// closing(info);
-// JavaModelManager.getJavaModelManager().removeInfo(this);
-// if (wasVerbose) {
-// System.out.println("-> Package cache size = " + JavaModelManager.getJavaModelManager().cache.pkgSize()); //$NON-NLS-1$
-// System.out.println("-> Openable cache filling ratio = " + JavaModelManager.getJavaModelManager().cache.openableFillingRatio() + "%"); //$NON-NLS-1$//$NON-NLS-2$
-// }
-// } finally {
-// JavaModelManager.VERBOSE = wasVerbose;
-// }
-// }
-// }
+ public void close() throws JavaModelException {
+ JavaModelManager.getJavaModelManager().removeInfoAndChildren(this);
+ }
/**
* This element is being closed. Do any necessary cleanup.
*/
- protected void closing(Object info) throws JavaModelException {
- }
+ protected abstract void closing(Object info) throws JavaModelException;
+ /*
+ * Returns a new element info for this element.
+ */
+ protected abstract Object createElementInfo();
/**
* Returns true if this handle represents the same Java element
* as the given handle. By default, two handles represent the same
if (this == o) return true;
// Java model parent is null
- if (fParent == null) return super.equals(o);
+ if (this.parent == null) return super.equals(o);
- if (o instanceof JavaElement) {
- JavaElement other = (JavaElement) o;
- if (fLEType != other.fLEType) return false;
-
- return fName.equals(other.fName) &&
- fParent.equals(other.fParent) &&
- fOccurrenceCount == other.fOccurrenceCount;
- }
- return false;
+ // assume instanceof check is done in subclass
+ JavaElement other = (JavaElement) o;
+ return this.occurrenceCount == other.occurrenceCount &&
+ this.name.equals(other.name) &&
+ this.parent.equals(other.parent);
}
/**
* Returns true if this <code>JavaElement</code> is equivalent to the given
* <code>IDOMNode</code>.
*/
-// protected boolean equalsDOMNode(IDOMNode node) throws JavaModelException {
-// return false;
-// }
+ protected boolean equalsDOMNode(IDOMNode node) throws JavaModelException {
+ return false;
+ }
/**
* @see IJavaElement
*/
* Returns the <code>IDOMNode</code> that corresponds to this <code>JavaElement</code>
* or <code>null</code> if there is no corresponding node.
*/
-// public IDOMNode findNode(IDOMCompilationUnit dom) {
-// int type = getElementType();
-// if (type == IJavaElement.COMPILATION_UNIT ||
-// type == IJavaElement.FIELD ||
-// type == IJavaElement.IMPORT_DECLARATION ||
-// type == IJavaElement.INITIALIZER ||
-// type == IJavaElement.METHOD ||
-// type == IJavaElement.PACKAGE_DECLARATION ||
-// type == IJavaElement.TYPE) {
-// ArrayList path = new ArrayList();
-// IJavaElement element = this;
-// while (element != null && element.getElementType() != IJavaElement.COMPILATION_UNIT) {
-// if (element.getElementType() != IJavaElement.IMPORT_CONTAINER) {
-// // the DOM does not have import containers, so skip them
-// path.add(0, element);
-// }
-// element = element.getParent();
-// }
-// if (path.size() == 0) {
-// try {
-// if (equalsDOMNode(dom)) {
-// return dom;
-// } else {
-// return null;
-// }
-// } catch(JavaModelException e) {
-// return null;
-// }
-// }
-// return ((JavaElement) path.get(0)).followPath(path, 0, dom.getFirstChild());
-// } else {
-// return null;
-// }
-// }
-// /**
-// */
-// protected IDOMNode followPath(ArrayList path, int position, IDOMNode node) {
-//
-// try {
-// if (equalsDOMNode(node)) {
-// if (position == (path.size() - 1)) {
-// return node;
-// } else {
-// if (node.getFirstChild() != null) {
-// position++;
-// return ((JavaElement)path.get(position)).followPath(path, position, node.getFirstChild());
-// } else {
-// return null;
-// }
-// }
-// } else if (node.getNextNode() != null) {
-// return followPath(path, position, node.getNextNode());
-// } else {
-// return null;
-// }
-// } catch (JavaModelException e) {
-// return null;
-// }
-//
-// }
+ public IDOMNode findNode(IDOMCompilationUnit dom) {
+ int type = getElementType();
+ if (type == IJavaElement.COMPILATION_UNIT ||
+ type == IJavaElement.FIELD ||
+ type == IJavaElement.IMPORT_DECLARATION ||
+ type == IJavaElement.INITIALIZER ||
+ type == IJavaElement.METHOD ||
+ type == IJavaElement.PACKAGE_DECLARATION ||
+ type == IJavaElement.TYPE) {
+ ArrayList path = new ArrayList();
+ IJavaElement element = this;
+ while (element != null && element.getElementType() != IJavaElement.COMPILATION_UNIT) {
+ if (element.getElementType() != IJavaElement.IMPORT_CONTAINER) {
+ // the DOM does not have import containers, so skip them
+ path.add(0, element);
+ }
+ element = element.getParent();
+ }
+ if (path.size() == 0) {
+ try {
+ if (equalsDOMNode(dom)) {
+ return dom;
+ } else {
+ return null;
+ }
+ } catch(JavaModelException e) {
+ return null;
+ }
+ }
+ return ((JavaElement) path.get(0)).followPath(path, 0, dom.getFirstChild());
+ } else {
+ return null;
+ }
+ }
+ /**
+ */
+ protected IDOMNode followPath(ArrayList path, int position, IDOMNode node) {
+
+ try {
+ if (equalsDOMNode(node)) {
+ if (position == (path.size() - 1)) {
+ return node;
+ } else {
+ if (node.getFirstChild() != null) {
+ position++;
+ return ((JavaElement)path.get(position)).followPath(path, position, node.getFirstChild());
+ } else {
+ return null;
+ }
+ }
+ } else if (node.getNextNode() != null) {
+ return followPath(path, position, node.getNextNode());
+ } else {
+ return null;
+ }
+ } catch (JavaModelException e) {
+ return null;
+ }
+
+ }
/**
* @see IJavaElement
*/
return null;
}
/**
+ * Generates the element infos for this element, its ancestors (if they are not opened) and its children (if it is an Openable).
+ * Puts the newly created element info in the given map.
+ */
+ protected abstract void generateInfos(Object info, HashMap newElements, IProgressMonitor pm) throws JavaModelException;
+
+ /**
* @see IParent
*/
public IJavaElement[] getChildren() throws JavaModelException {
* Returns the info for this handle.
* If this element is not already open, it and all of its parents are opened.
* Does not return null.
- * NOTE: BinaryType infos are NJOT rooted under JavaElementInfo.
+ * NOTE: BinaryType infos are NOT rooted under JavaElementInfo.
* @exception JavaModelException if the element is not present or not accessible
*/
public Object getElementInfo() throws JavaModelException {
-return null;
- // workaround to ensure parent project resolved classpath is available to avoid triggering initializers
- // while the JavaModelManager lock is acquired (can cause deadlocks in clients)
-// IJavaProject project = getJavaProject();
-// if (project != null && !project.isOpen()) {
-// // TODO: need to revisit, since deadlock could still occur if perProjectInfo is removed concurrent before entering the lock
-// try {
-// project.getResolvedClasspath(true); // trigger all possible container/variable initialization outside the model lock
-// } catch (JavaModelException e) {
-// // project is not accessible or is not a java project
-// }
-// }
-//
-// // element info creation is done inside a lock on the JavaModelManager
-// JavaModelManager manager;
-// synchronized(manager = JavaModelManager.getJavaModelManager()){
-// Object info = manager.getInfo(this);
-// if (info == null) {
-// openHierarchy();
-// info= manager.getInfo(this);
-// if (info == null) {
-// throw newNotPresentException();
-// }
-// }
-// return info;
-// }
+ return getElementInfo(null);
}
/**
- * @see IAdaptable
+ * Returns the info for this handle.
+ * If this element is not already open, it and all of its parents are opened.
+ * Does not return null.
+ * NOTE: BinaryType infos are NOT rooted under JavaElementInfo.
+ * @exception JavaModelException if the element is not present or not accessible
*/
- public String getElementName() {
- return fName;
+ public Object getElementInfo(IProgressMonitor monitor) throws JavaModelException {
+
+ JavaModelManager manager = JavaModelManager.getJavaModelManager();
+ Object info = manager.getInfo(this);
+ if (info != null) return info;
+ return openWhenClosed(createElementInfo(), monitor);
}
/**
- * @see IJavaElement
+ * @see IAdaptable
*/
- public int getElementType() {
- return fLEType;
+ public String getElementName() {
+ return name;
}
+
/**
* @see IJavaElement
*/
* Returns the occurrence count of the handle.
*/
protected int getOccurrenceCount() {
- return fOccurrenceCount;
+ return occurrenceCount;
}
/*
* @see IJavaElement
*/
public IOpenable getOpenableParent() {
- return (IOpenable)fParent;
+ return (IOpenable)parent;
}
/**
* @see IJavaElement
*/
public IJavaElement getParent() {
- return fParent;
+ return parent;
}
+ /*
+ * @see IJavaElement#getPrimaryElement()
+ */
+ public IJavaElement getPrimaryElement() {
+ return getPrimaryElement(true);
+ }
+ /*
+ * Returns the primary element. If checkOwner, and the cu owner is primary,
+ * return this element.
+ */
+ public IJavaElement getPrimaryElement(boolean checkOwner) {
+ return this;
+ }
/**
* Returns the element that is located at the given source position
* in this element. This is a helper method for <code>ICompilationUnit#getElementAt</code>,
* known to be within this element's source range already, and if no finer
* grained element is found at the position, this element is returned.
*/
-// protected IJavaElement getSourceElementAt(int position) throws JavaModelException {
-// if (this instanceof ISourceReference) {
-// IJavaElement[] children = getChildren();
-// int i;
-// for (i = 0; i < children.length; i++) {
-// IJavaElement aChild = children[i];
-// if (aChild instanceof SourceRefElement) {
-// SourceRefElement child = (SourceRefElement) children[i];
-// ISourceRange range = child.getSourceRange();
-// if (position < range.getOffset() + range.getLength() && position >= range.getOffset()) {
-// if (child instanceof IParent) {
-// return child.getSourceElementAt(position);
-// } else {
-// return child;
-// }
-// }
-// }
-// }
-// } else {
-// // should not happen
-// Assert.isTrue(false);
-// }
-// return this;
-// }
+ protected IJavaElement getSourceElementAt(int position) throws JavaModelException {
+ if (this instanceof ISourceReference) {
+ IJavaElement[] children = getChildren();
+ int i;
+ for (i = 0; i < children.length; i++) {
+ IJavaElement aChild = children[i];
+ if (aChild instanceof SourceRefElement) {
+ SourceRefElement child = (SourceRefElement) children[i];
+ ISourceRange range = child.getSourceRange();
+ if (position < range.getOffset() + range.getLength() && position >= range.getOffset()) {
+ if (child instanceof IParent) {
+ return child.getSourceElementAt(position);
+ } else {
+ return child;
+ }
+ }
+ }
+ }
+ } else {
+ // should not happen
+ Assert.isTrue(false);
+ }
+ return this;
+ }
/**
* Returns the SourceMapper facility for this element, or
* <code>null</code> if this element does not have a
// public SourceMapper getSourceMapper() {
// return ((JavaElement)getParent()).getSourceMapper();
// }
+ /* (non-Javadoc)
+ * @see org.eclipse.jdt.core.IJavaElement#getSchedulingRule()
+ */
+ public ISchedulingRule getSchedulingRule() {
+ IResource resource = getResource();
+ if (resource == null) {
+ class NoResourceSchedulingRule implements ISchedulingRule {
+ public IPath path;
+ public NoResourceSchedulingRule(IPath path) {
+ this.path = path;
+ }
+ public boolean contains(ISchedulingRule rule) {
+ if (rule instanceof NoResourceSchedulingRule) {
+ return this.path.isPrefixOf(((NoResourceSchedulingRule)rule).path);
+ } else {
+ return false;
+ }
+ }
+ public boolean isConflicting(ISchedulingRule rule) {
+ if (rule instanceof NoResourceSchedulingRule) {
+ IPath otherPath = ((NoResourceSchedulingRule)rule).path;
+ return this.path.isPrefixOf(otherPath) || otherPath.isPrefixOf(this.path);
+ } else {
+ return false;
+ }
+ }
+ }
+ return new NoResourceSchedulingRule(getPath());
+ } else {
+ return resource;
+ }
+ }
+ /**
+ * @see IParent
+ */
+ public boolean hasChildren() throws JavaModelException {
+ // if I am not open, return true to avoid opening (case of a Java project, a compilation unit or a class file).
+ // also see https://bugs.eclipse.org/bugs/show_bug.cgi?id=52474
+ Object elementInfo = JavaModelManager.getJavaModelManager().getInfo(this);
+ if (elementInfo instanceof JavaElementInfo) {
+ return ((JavaElementInfo)elementInfo).getChildren().length > 0;
+ } else {
+ return true;
+ }
+ }
/**
* Returns the hash code for this Java element. By default,
* override this method.
*/
public int hashCode() {
- if (fParent == null) return super.hashCode();
- return Util.combineHashCodes(fName.hashCode(), fParent.hashCode());
+ if (this.parent == null) return super.hashCode();
+ return Util.combineHashCodes(this.name.hashCode(), this.parent.hashCode());
}
+
/**
* Returns true if this element is an ancestor of the given element,
* otherwise false.
/**
* @see IJavaElement
*/
-// public boolean isStructureKnown() throws JavaModelException {
-// return ((JavaElementInfo)getElementInfo()).isStructureKnown();
-// }
+ public boolean isStructureKnown() throws JavaModelException {
+ return ((JavaElementInfo)getElementInfo()).isStructureKnown();
+ }
/**
* Creates and returns and not present exception for this element.
*/
protected JavaModelException newNotPresentException() {
return new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.ELEMENT_DOES_NOT_EXIST, this));
}
-// /**
-// * Opens this element and all parents that are not already open.
-// *
-// * @exception JavaModelException this element is not present or accessible
-// */
+ /**
+ * Opens this element and all parents that are not already open.
+ *
+ * @exception JavaModelException this element is not present or accessible
+ */
// protected void openHierarchy() throws JavaModelException {
// if (this instanceof IOpenable) {
// ((Openable) this).openWhenClosed(null);
*/
protected void opening(Object info) {
}
+ /*
+ * Opens an <code>Openable</code> that is known to be closed (no check for <code>isOpen()</code>).
+ * Returns the created element info.
+ */
+ protected Object openWhenClosed(Object info, IProgressMonitor monitor) throws JavaModelException {
+ JavaModelManager manager = JavaModelManager.getJavaModelManager();
+ boolean hadTemporaryCache = manager.hasTemporaryCache();
+ try {
+ HashMap newElements = manager.getTemporaryCache();
+ generateInfos(info, newElements, monitor);
+ if (info == null) {
+ info = newElements.get(this);
+ }
+ if (info == null) { // a source ref element could not be opened
+ // close any buffer that was opened for the openable parent
+ Iterator iterator = newElements.keySet().iterator();
+ while (iterator.hasNext()) {
+ IJavaElement element = (IJavaElement)iterator.next();
+ if (element instanceof Openable) {
+ ((Openable)element).closeBuffer();
+ }
+ }
+ throw newNotPresentException();
+ }
+ if (!hadTemporaryCache) {
+ manager.putInfos(this, newElements);
+ }
+ } finally {
+ if (!hadTemporaryCache) {
+ manager.resetTemporaryCache();
+ }
+ }
+ return info;
+ }
/**
*/
public String readableName() {
// /**
// * Returns a copy of this element rooted at the given project.
// */
- public abstract IJavaElement rootedAt(IJavaProject project);
-// /**
-// * Runs a Java Model Operation
-// */
-// public static void runOperation(JavaModelOperation operation, IProgressMonitor monitor) throws JavaModelException {
-// try {
-// if (operation.isReadOnly() || ResourcesPlugin.getWorkspace().isTreeLocked()) {
-// operation.run(monitor);
-// } else {
-// // use IWorkspace.run(...) to ensure that a build will be done in autobuild mode
-// ResourcesPlugin.getWorkspace().run(operation, monitor);
-// }
-// } catch (CoreException ce) {
-// if (ce instanceof JavaModelException) {
-// throw (JavaModelException)ce;
-// } else {
-// if (ce.getStatus().getCode() == IResourceStatus.OPERATION_FAILED) {
-// Throwable e= ce.getStatus().getException();
-// if (e instanceof JavaModelException) {
-// throw (JavaModelException) e;
-// }
-// }
-// throw new JavaModelException(ce);
-// }
-// }
-// }
+// public abstract IJavaElement rootedAt(IJavaProject project);
+ /**
+ * Runs a Java Model Operation
+ */
+ public static void runOperation(JavaModelOperation operation, IProgressMonitor monitor) throws JavaModelException {
+ try {
+ if (operation.isReadOnly() || ResourcesPlugin.getWorkspace().isTreeLocked()) {
+ operation.run(monitor);
+ } else {
+ // use IWorkspace.run(...) to ensure that a build will be done in autobuild mode
+ ResourcesPlugin.getWorkspace().run(operation, monitor);
+ }
+ } catch (CoreException ce) {
+ if (ce instanceof JavaModelException) {
+ throw (JavaModelException)ce;
+ } else {
+ if (ce.getStatus().getCode() == IResourceStatus.OPERATION_FAILED) {
+ Throwable e= ce.getStatus().getException();
+ if (e instanceof JavaModelException) {
+ throw (JavaModelException) e;
+ }
+ }
+ throw new JavaModelException(ce);
+ }
+ }
+ }
/**
* Sets the occurrence count of the handle.
*/
protected void setOccurrenceCount(int count) {
- fOccurrenceCount = count;
+ occurrenceCount = count;
}
protected String tabString(int tab) {
StringBuffer buffer = new StringBuffer();
git://git.phpeclipse.com / phpeclipse.git / blobdiff