#include #include #include #include "syntax.h" using namespace std; IdNode::IdNode(string *id) { this->id = id; } void IdNode::display() { cout << *id; } NumNode::NumNode(float num) { this->num = num; } void NumNode::display() { cout << num; } StringNode::StringNode(string* stringVal) { this->stringVal = stringVal; } void StringNode::display() { cout << *stringVal; } OpNode::OpNode(int op, Node *first, Node *second) { this->op = op; this->first = first; this->second = second; } void OpNode::display() { first->display(); cout << " " << (char)op << " "; second->display(); } void print_expression_list(NodeList *list) { for (Node *expr : *list) { expr->display(); } }