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frame.h
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frame.h
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/*Lab5: This header file is not complete. Please finish it with more definition.*/
#ifndef FRAME_H
#define FRAME_H
#include "tree.h"
#include "assem.h"
typedef struct F_frame_ *F_frame;
typedef struct F_access_ *F_access;
//varibales
struct F_access_ {
enum {inFrame, inReg} kind;
union {
int offset; //inFrame
Temp_temp reg; //inReg
} u;
};
typedef struct F_accessList_ *F_accessList;
struct F_accessList_ {F_access head; F_accessList tail;};
/* declaration for fragments */
typedef struct F_frag_ *F_frag;
struct F_frag_ {enum {F_stringFrag, F_procFrag} kind;
union {
struct {Temp_label label; string str;} stringg;
struct {T_stm body; F_frame frame;} proc;
} u;
};
F_frag F_StringFrag(Temp_label label, string str);
F_frag F_ProcFrag(T_stm body, F_frame frame);
typedef struct F_fragList_ *F_fragList;
struct F_fragList_
{
F_frag head;
F_fragList tail;
};
F_fragList F_FragList(F_frag head, F_fragList tail);
/* ============================================================================ */
F_accessList F_AccessList(F_access head, F_accessList tail);
extern Temp_map F_tempMap;
Temp_map F_initial();
Temp_tempList F_registers(void);
T_exp F_exp(F_access acc, T_exp framePtr);
F_access F_allocLocal(F_frame f, bool escape);
F_accessList F_formals(F_frame f);
Temp_label F_name(F_frame f);
extern const int F_wordSize;
Temp_temp F_SP(void); // stack pointer
Temp_temp F_FP(void); // frame pointer
Temp_temp F_RV(void); // for return value and idivl
Temp_temp F_DX(void); // for idivl
Temp_tempList F_callersaves();
Temp_tempList F_calleesaves();
Temp_tempList F_specialregs();
F_frame F_newFrame(Temp_label name, U_boolList formals);
T_exp F_externalCall(string s, T_expList args);
T_stm F_procEntryExit1(F_frame frame, T_stm stm);
AS_instrList F_procEntryExit2(AS_instrList body);
AS_proc F_procEntryExit3(F_frame frame, AS_instrList body);
F_access F_staticLinkFormal(F_frame f);
#endif