bool findCallsWithFuncArgs2(SgNode *node, string &str) {		
	SgExprStatement *statement;
	if (statement = isSgExprStatement(node)) {
	    SgFunctionCallExp *call_exp;	
            if (call_exp = isSgFunctionCallExp(statement->get_the_expr())) {
                m_nodes.clear(); m_nodes.insert(call_exp);
                m_domain.expand(&m_nodes, QRQueryDomain::all_children);
                m_domain.getNodes()->erase(call_exp);
                NodeQuery::VariantVector vector (V_SgFunctionCallExp);
                QRQueryOpVariant op(vector);
                op.performQuery(&m_domain, &m_range);
                unsigned hits = m_range.countRange();
                if (hits) {
                    set<SgNode *> *rnodes = m_range.getNodes();
                    for (set<SgNode *>::iterator iter = rnodes->begin();
                         iter != rnodes->end(); )
                    {
                        SgFunctionCallExp *exp = (SgFunctionCallExp *) *iter; iter++;
                        SgExpression *funcexpr = exp->get_function();
                        str += funcexpr->unparseToString();
                        if (iter != rnodes->end()) {
                            str += ", ";
                        } 
                    }
                    return true;
                }
            }
	}
	
	return false;
    }
    bool findCallsWithFuncArgs(SgNode *node, string &str) {		
	SgExprStatement *statement;
	if (statement = isSgExprStatement(node)) {
	    SgFunctionCallExp *call_exp;	
            if (call_exp = isSgFunctionCallExp(statement->get_the_expr())) {
                m_nodes.clear(); m_nodes.insert(call_exp);
                m_domain.expand(&m_nodes, QRQueryDomain::all_children);
                m_domain.getNodes()->erase(call_exp);
                NodeQuery::VariantVector vector(V_SgFunctionCallExp);	       
                QRQueryOpVariant op(vector);
                op.performQuery(&m_domain, &m_range);
                unsigned hits = m_range.countRange();
                if (hits) {
                    sprintf(m_buffer, "%d", hits);
                    str = m_buffer;
                    return true;
                }
            }
	}
	
	return false;
    }