private static boolean canAddFinal(IBinding binding, ASTNode declNode) {
if (!(binding instanceof IVariableBinding)) return false;
IVariableBinding varbinding = (IVariableBinding) binding;
int modifiers = varbinding.getModifiers();
if (Modifier.isFinal(modifiers)
|| Modifier.isVolatile(modifiers)
|| Modifier.isTransient(modifiers)) return false;
ASTNode parent = ASTNodes.getParent(declNode, VariableDeclarationExpression.class);
if (parent != null && ((VariableDeclarationExpression) parent).fragments().size() > 1)
return false;
if (varbinding.isField() && !Modifier.isPrivate(modifiers)) return false;
if (varbinding.isParameter()) {
ASTNode varDecl = declNode.getParent();
if (varDecl instanceof MethodDeclaration) {
MethodDeclaration declaration = (MethodDeclaration) varDecl;
if (declaration.getBody() == null) return false;
}
}
return true;
}
private void possibleStaticImportFound(Name name) {
if (fStaticImports == null || fASTRoot == null) {
return;
}
while (name.isQualifiedName()) {
name = ((QualifiedName) name).getQualifier();
}
if (!isAffected(name)) {
return;
}
IBinding binding = name.resolveBinding();
SimpleName simpleName = (SimpleName) name;
if (binding == null
|| binding instanceof ITypeBinding
|| !Modifier.isStatic(binding.getModifiers())
|| simpleName.isDeclaration()) {
return;
}
if (binding instanceof IVariableBinding) {
IVariableBinding varBinding = (IVariableBinding) binding;
if (varBinding.isField()) {
varBinding = varBinding.getVariableDeclaration();
ITypeBinding declaringClass = varBinding.getDeclaringClass();
if (declaringClass != null && !declaringClass.isLocal()) {
if (new ScopeAnalyzer(fASTRoot)
.isDeclaredInScope(
varBinding, simpleName, ScopeAnalyzer.VARIABLES | ScopeAnalyzer.CHECK_VISIBILITY))
return;
fStaticImports.add(simpleName);
}
}
} else if (binding instanceof IMethodBinding) {
IMethodBinding methodBinding = ((IMethodBinding) binding).getMethodDeclaration();
ITypeBinding declaringClass = methodBinding.getDeclaringClass();
if (declaringClass != null && !declaringClass.isLocal()) {
if (new ScopeAnalyzer(fASTRoot)
.isDeclaredInScope(
methodBinding, simpleName, ScopeAnalyzer.METHODS | ScopeAnalyzer.CHECK_VISIBILITY))
return;
fStaticImports.add(simpleName);
}
}
}
private boolean handleFragments(List list, ASTNode declaration) {
List toChange = new ArrayList();
for (Iterator iter = list.iterator(); iter.hasNext(); ) {
VariableDeclarationFragment fragment = (VariableDeclarationFragment) iter.next();
SimpleName name = fragment.getName();
IBinding resolveBinding = name.resolveBinding();
if (canAddFinal(resolveBinding, declaration)) {
IVariableBinding varbinding = (IVariableBinding) resolveBinding;
if (varbinding.isField()) {
if (fieldCanBeFinal(fragment, varbinding)) toChange.add(fragment);
} else {
if (!fWrittenVariables.containsKey(resolveBinding)) toChange.add(fragment);
}
}
}
if (toChange.size() == 0) return false;
ModifierChangeOperation op =
new ModifierChangeOperation(declaration, toChange, Modifier.FINAL, Modifier.NONE);
fResult.add(op);
return false;
}
/** Returns whether this variable will be an ObjC instance variable. */
public static boolean isInstanceVar(IVariableBinding binding) {
return binding.isField() && !isGlobalVar(binding);
}