#include "orga-comp.h"

void
interpreter::evalSTM(struct token stm) {
	switch (stm.t) {
		case token::STM_ASSIGN:
			table[stm.lvalue->value] = evalEXP(*stm.rvalue);
			std::cout << stm.lvalue->value << " igual a " << table[stm.lvalue->value] << '\n';
			break;
		case token::STM_COMPOUND:
			evalSTM(*stm.lvalue);
			evalSTM(*stm.rvalue);
			break;
		default:
			std::cout << "ERROR \n";
			exit(-1);
			break;
	}
}

int
interpreter::evalEXP(struct token exp) {
	switch (exp.t) {
		case token::EXP_NUMBER:
			return std::stoi(exp.value);
			break;
		case token::EXP_ID:
			return table[exp.value];
			break;
		case token::EXP_OPERATION:
			if(exp.value == "+") return evalEXP(*exp.lvalue) + evalEXP(*exp.rvalue);
			if(exp.value == "-") return evalEXP(*exp.lvalue) - evalEXP(*exp.rvalue);
			break;
		default:
			std::cout << "ERROR \n";
			exit(-1);
			break;
	}
}