List of usage examples for org.eclipse.jdt.internal.core.util DOMFinder DOMFinder
public DOMFinder(CompilationUnit ast, SourceRefElement element, boolean resolveBinding)
From source file:org.eclipse.jdt.core.dom.CompilationUnitResolver.java
License:Open Source License
public static IBinding[] resolve(final IJavaElement[] elements, int apiLevel, Map compilerOptions, IJavaProject javaProject, WorkingCopyOwner owner, int flags, IProgressMonitor monitor) { final int length = elements.length; final HashMap sourceElementPositions = new HashMap(); // a map from ICompilationUnit to int[] (positions in elements) int cuNumber = 0; final HashtableOfObjectToInt binaryElementPositions = new HashtableOfObjectToInt(); // a map from String (binding key) to int (position in elements) for (int i = 0; i < length; i++) { IJavaElement element = elements[i]; if (!(element instanceof SourceRefElement)) throw new IllegalStateException(element + " is not part of a compilation unit or class file"); //$NON-NLS-1$ Object cu = element.getAncestor(IJavaElement.COMPILATION_UNIT); if (cu != null) { // source member IntArrayList intList = (IntArrayList) sourceElementPositions.get(cu); if (intList == null) { sourceElementPositions.put(cu, intList = new IntArrayList()); cuNumber++;/*from w ww .j a v a2s .c o m*/ } intList.add(i); } else { // binary member try { String key = ((BinaryMember) element).getKey(true/*open to get resolved info*/); binaryElementPositions.put(key, i); } catch (JavaModelException e) { throw new IllegalArgumentException(element + " does not exist"); //$NON-NLS-1$ } } } ICompilationUnit[] cus = new ICompilationUnit[cuNumber]; sourceElementPositions.keySet().toArray(cus); int bindingKeyNumber = binaryElementPositions.size(); String[] bindingKeys = new String[bindingKeyNumber]; binaryElementPositions.keysToArray(bindingKeys); class Requestor extends ASTRequestor { IBinding[] bindings = new IBinding[length]; public void acceptAST(ICompilationUnit source, CompilationUnit ast) { // TODO (jerome) optimize to visit the AST only once IntArrayList intList = (IntArrayList) sourceElementPositions.get(source); for (int i = 0; i < intList.length; i++) { final int index = intList.list[i]; SourceRefElement element = (SourceRefElement) elements[index]; DOMFinder finder = new DOMFinder(ast, element, true/*resolve binding*/); try { finder.search(); } catch (JavaModelException e) { throw new IllegalArgumentException(element + " does not exist"); //$NON-NLS-1$ } this.bindings[index] = finder.foundBinding; } } public void acceptBinding(String bindingKey, IBinding binding) { int index = binaryElementPositions.get(bindingKey); this.bindings[index] = binding; } } Requestor requestor = new Requestor(); resolve(cus, bindingKeys, requestor, apiLevel, compilerOptions, javaProject, owner, flags, monitor); return requestor.bindings; }