/**
* Returns the signature for the binding. Returns an empty string if a signature is not required
* for the binding.
*
* @param binding
* @return the signature or an empty string
* @throws CoreException
* @throws DOMException
*/
public static String getSignature(IBinding binding) throws CoreException, DOMException {
StringBuilder buffer = new StringBuilder();
if (binding instanceof ICPPDeferredClassInstance) {
buffer.append(getSignature(((ICPPDeferredClassInstance) binding).getTemplateDefinition()));
}
if (binding instanceof ICPPTemplateInstance) {
ICPPTemplateInstance inst = (ICPPTemplateInstance) binding;
buffer.append(getTemplateArgString(inst.getTemplateArguments(), true));
} else if (binding instanceof ICPPUnknownMemberClassInstance) {
ICPPUnknownMemberClassInstance inst = (ICPPUnknownMemberClassInstance) binding;
buffer.append(getTemplateArgString(inst.getArguments(), true));
} else if (binding instanceof ICPPClassTemplatePartialSpecialization) {
ICPPClassTemplatePartialSpecialization partial =
(ICPPClassTemplatePartialSpecialization) binding;
buffer.append(getTemplateArgString(partial.getTemplateArguments(), false));
}
if (binding instanceof ICPPFunction) {
IFunction function = (ICPPFunction) binding;
final IFunctionType ftype = function.getType();
buffer.append(getFunctionParameterString(ftype));
if (binding instanceof ICPPTemplateDefinition) {
ICPPTemplateDefinition tdef = (ICPPTemplateDefinition) binding;
appendTemplateParameters(tdef.getTemplateParameters(), buffer);
ASTTypeUtil.appendType(ftype.getReturnType(), true, buffer);
}
}
if (binding instanceof ICPPMethod && !(binding instanceof ICPPConstructor)) {
ICPPFunctionType ft = ((ICPPMethod) binding).getType();
if (ft.isConst()) buffer.append('c');
if (ft.isVolatile()) buffer.append('v');
}
return buffer.toString();
}
@Override
public boolean equals(Object obj) {
if ((obj instanceof ICPPTemplateInstance) && (obj instanceof ICPPFunction)) {
final ICPPTemplateInstance inst = (ICPPTemplateInstance) obj;
ICPPFunctionType ct1 = ((ICPPFunction) getSpecializedBinding()).getType();
ICPPFunctionType ct2 = ((ICPPFunction) inst.getTemplateDefinition()).getType();
if (!ct1.isSameType(ct2)) return false;
return CPPTemplates.haveSameArguments(this, inst);
}
return false;
}
public static ICPPParameter[] createParameterList(ICPPFunctionType ft) {
if (ft == null) {
return ICPPParameter.EMPTY_CPPPARAMETER_ARRAY;
}
IType[] ptypes = ft.getParameterTypes();
ICPPParameter[] result = new ICPPParameter[ptypes.length];
for (int i = 0; i < result.length; i++) {
result[i] = new CPPBuiltinParameter(ptypes[i]);
}
return result;
}
