/** Returns the implied object type, or <code>null</code>. */
public IType getImpliedObjectType() {
if (astName == null) return null;
IASTName name = astName;
IASTNode nameParent = name.getParent();
while (nameParent instanceof IASTName) {
name = (IASTName) nameParent;
nameParent = name.getParent();
}
final ASTNodeProperty prop = name.getPropertyInParent();
if (prop == CPPSemantics.STRING_LOOKUP_PROPERTY) {
return null;
}
if (prop == IASTFieldReference.FIELD_NAME) {
ICPPASTFieldReference fieldRef = (ICPPASTFieldReference) nameParent;
return fieldRef.getFieldOwnerType();
}
if (prop == IASTIdExpression.ID_NAME) {
IScope scope = CPPVisitor.getContainingScope(name);
if (scope instanceof ICPPClassScope) {
return ((ICPPClassScope) scope).getClassType();
}
return CPPVisitor.getImpliedObjectType(scope);
}
return null;
}
@Override
public int getAdditionalNameFlags(int standardFlags, IASTName name) {
if ((standardFlags & PDOMName.IS_REFERENCE) == PDOMName.IS_REFERENCE) {
IASTNode parent = name.getParent();
if (parent instanceof ICPPASTQualifiedName) {
// When taking the address of a method it will be called without suppressing
// the virtual mechanism
parent = parent.getParent();
if (parent instanceof IASTIdExpression) {
parent = parent.getParent();
if (parent instanceof IASTUnaryExpression) {
if (((IASTUnaryExpression) parent).getOperator() == IASTUnaryExpression.op_amper)
return PDOMName.COULD_BE_POLYMORPHIC_METHOD_CALL;
}
}
} else if (parent instanceof ICPPASTFieldReference) {
// The name is not qualified
ICPPASTFieldReference fr = (ICPPASTFieldReference) parent;
parent = parent.getParent();
if (parent instanceof IASTFunctionCallExpression) {
// v->member()
if (fr.isPointerDereference()) {
return PDOMName.COULD_BE_POLYMORPHIC_METHOD_CALL;
}
// v.member()
IASTExpression fieldOwner = fr.getFieldOwner();
if (fieldOwner.getValueCategory().isGLValue()) {
while (fieldOwner instanceof IASTUnaryExpression
&& ((IASTUnaryExpression) fieldOwner).getOperator()
== IASTUnaryExpression.op_bracketedPrimary)
fieldOwner = ((IASTUnaryExpression) fieldOwner).getOperand();
if (fieldOwner instanceof IASTIdExpression) {
IBinding b = ((IASTIdExpression) fieldOwner).getName().resolveBinding();
if (b instanceof IVariable) {
IType t = ((IVariable) b).getType();
if (!(t instanceof ICPPReferenceType)) {
return 0;
}
}
}
return PDOMName.COULD_BE_POLYMORPHIC_METHOD_CALL;
}
}
} else if (parent instanceof IASTIdExpression) {
// Calling a member from within a member
if (parent.getParent() instanceof IASTFunctionCallExpression) {
return PDOMName.COULD_BE_POLYMORPHIC_METHOD_CALL;
}
}
}
return 0;
}