protected IFile searchLocallyForIFile(final IBinding binding) {
if (_astRoot == null) {
return null;
}
ASTNode node = _astRoot.findDeclaringNode(binding);
if (node != null) return _file;
return null;
}
protected CompilationUnit searchLocallyForBinding(final IBinding binding) {
if (_astRoot == null) {
throw new IllegalStateException(
"_astRoot is null. Check that types or environments are not being cached between builds or reconciles by user code"); //$NON-NLS-1$
}
final ASTNode node = _astRoot.findDeclaringNode(binding);
if (node != null) return _astRoot;
return null;
}
/**
* @param key
* @param unit the unit that contains the definition of type whose type key is <code>key</code> if
* <code>key</code> is a wild card, primitive, array type or parameterized type, this should
* be null.
* @return return the type binding for the given key or null if none is found.
*/
protected IBinding getBindingFromKey(final String key, final ICompilationUnit unit) {
class BindingRequestor extends ASTRequestor {
private IBinding _result = null;
private int _kind;
public void acceptAST(ICompilationUnit source, CompilationUnit ast) {
if (source == unit) {
_modelCompUnit2astCompUnit.put(source, ast);
}
}
public void acceptBinding(String bindingKey, IBinding binding) {
if (binding != null) {
_result = binding;
_kind = binding.getKind();
}
}
}
final BindingRequestor requestor = new BindingRequestor();
final ASTParser parser = ASTParser.newParser(AST.JLS3);
parser.setResolveBindings(true);
parser.setBindingsRecovery(true);
parser.setProject(_javaProject);
parser.setIgnoreMethodBodies(true);
ICompilationUnit[] units = unit == null ? NO_UNIT : new ICompilationUnit[] {unit};
parser.createASTs(units, new String[] {key}, requestor, null);
final IBinding result = requestor._result;
if (result != null && unit != null) {
final CompilationUnit astUnit = _modelCompUnit2astCompUnit.get(unit);
// make sure everything is lining up properly. Only cache real types, not package-infos.
if (requestor._kind == IBinding.TYPE && astUnit.findDeclaringNode(result) != null) {
ITypeBinding declaringClass = getDeclaringClass(result);
_typeBinding2ModelCompUnit.put(declaringClass, unit);
}
}
return result;
}
/**
* @param binding must be correspond to a type, method or field declaration.
* @return the ast node the corresponds to the declaration of the given binding. Return null if
* none is found.
*/
public ASTNode getASTNodeForBinding(final IBinding binding) {
final CompilationUnit astUnit = getCompilationUnitForBinding(binding);
if (astUnit == null) return null;
return astUnit.findDeclaringNode(binding.getKey());
}