33 lines
780 B
C++
33 lines
780 B
C++
|
#pragma once
|
||
|
|
#include <string>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
enum { EAX = 1, ECX, EDX, EDI, ESI, EBX };
|
||
|
|
|
||
|
|
extern std::vector<std::string> codeFrags, dataFrags;
|
||
|
|
extern std::string funcLabel;
|
||
|
|
extern int frameSize, maxFrameSize;
|
||
|
|
const int NUM_REGS = 6;
|
||
|
|
extern bool regUsed[];
|
||
|
|
extern const std::string regs[];
|
||
|
|
|
||
|
|
extern void resetRegs();
|
||
|
|
extern int allocReg(int n);
|
||
|
|
extern std::string fixEsp(int esp_off);
|
||
|
|
|
||
|
|
struct Tile {
|
||
|
|
int want_l, want_r, hits, argFrame;
|
||
|
|
|
||
|
|
Tile(const std::string& a, Tile* l = 0, Tile* r = 0);
|
||
|
|
Tile(const std::string& a, const std::string& a2, Tile* l = 0, Tile* r = 0);
|
||
|
|
~Tile();
|
||
|
|
|
||
|
|
void label();
|
||
|
|
int eval(int want);
|
||
|
|
|
||
|
|
private:
|
||
|
|
int need;
|
||
|
|
Tile * l, *r;
|
||
|
|
std::string assem, assem2;
|
||
|
|
};
|