35 lines
569 B
C++
35 lines
569 B
C++
#ifndef __expression_h__
|
|
#define __expression_h__
|
|
|
|
#include <stdint.h>
|
|
#include <vector>
|
|
|
|
#include "optional.h"
|
|
|
|
struct expr {
|
|
expr(int t = 0, uint32_t v = 0, uint32_t s = 0)
|
|
: tag(t), value(v), section(s)
|
|
{}
|
|
int tag = 0;
|
|
uint32_t value = 0;
|
|
unsigned section = 0;
|
|
};
|
|
|
|
|
|
struct expression {
|
|
unsigned section = 0;
|
|
uint32_t offset = 0;
|
|
uint8_t size = 0;
|
|
uint8_t relative = false;
|
|
bool undefined = false;
|
|
|
|
std::vector<expr> stack;
|
|
|
|
};
|
|
|
|
optional<uint32_t> evaluate_expression(expression &e, bool force = false);
|
|
|
|
bool simplify_expression(expression &e);
|
|
|
|
#endif
|