private Collection<IBinding> cppRemoveSecondaryBindings(
Set<IBinding> primaryBindings, IASTName sourceName) {
List<IBinding> result = new ArrayList<IBinding>();
String[] sourceQualifiedName = null;
int funcArgCount = -1;
if (sourceName != null) {
final IBinding binding = sourceName.resolveBinding();
if (binding != null) {
sourceQualifiedName = CPPVisitor.getQualifiedName(binding);
if (binding instanceof ICPPUnknownBinding) {
LookupData data = CPPSemantics.createLookupData(sourceName);
if (data.isFunctionCall()) {
funcArgCount = data.getFunctionArgumentCount();
}
}
}
}
for (Iterator<IBinding> iterator = primaryBindings.iterator(); iterator.hasNext(); ) {
IBinding binding = iterator.next();
if (sourceQualifiedName != null) {
String[] qualifiedName = CPPVisitor.getQualifiedName(binding);
if (!Arrays.equals(qualifiedName, sourceQualifiedName)) {
iterator.remove();
continue;
}
}
if (funcArgCount != -1) {
// For c++ we can check the number of parameters.
if (binding instanceof ICPPFunction) {
ICPPFunction f = (ICPPFunction) binding;
if (f.getRequiredArgumentCount() > funcArgCount) {
iterator.remove();
result.add(binding);
continue;
}
if (!f.takesVarArgs() && !f.hasParameterPack()) {
final IType[] parameterTypes = f.getType().getParameterTypes();
int maxArgs = parameterTypes.length;
if (maxArgs == 1 && SemanticUtil.isVoidType(parameterTypes[0])) {
maxArgs = 0;
}
if (maxArgs < funcArgCount) {
iterator.remove();
result.add(binding);
continue;
}
}
}
}
}
return result;
}
/** Constructs a string in the format: (paramName1,paramName2,...) */
private static String getFunctionParameterString(IFunctionType functionType) throws DOMException {
IType[] types = functionType.getParameterTypes();
if (types.length == 1 && SemanticUtil.isVoidType(types[0])) {
types = new IType[0];
}
StringBuilder result = new StringBuilder();
result.append('(');
for (int i = 0; i < types.length; i++) {
if (i > 0) {
result.append(',');
}
ASTTypeUtil.appendType(types[i], true, result);
}
if (functionType instanceof ICPPFunctionType
&& ((ICPPFunctionType) functionType).takesVarArgs()) {
if (types.length != 0) {
result.append(',');
}
result.append("..."); // $NON-NLS-1$
}
result.append(')');
return result.toString();
}
