source: liacs/coco/assignment4/MOperand.h@ 280

Last change on this file since 280 was 2, checked in by Rick van der Zwet, 15 years ago

Initial import of data of old repository ('data') worth keeping (e.g. tracking
means of URL access statistics)

File size: 2.0 KB
Line 
1/*
2 * File: MOperand.h
3 * Author: rick
4 *
5 * Created on November 19, 2008, 1:17 AM
6 */
7
8#ifndef _MOPERAND_H
9#define _MOPERAND_H
10
11#include <cstdio>
12#include "IOperand.h"
13#include "globals.h"
14#include <string>
15
16#define NO_OFFSET INT_MIN
17
18using namespace std;
19
20// The type of an operand
21typedef enum __moperandtype {
22 MT_UNKNOWN, // Unknown (yet)
23 MT_INT, // Integer immediate
24 MT_REAL, // Real immediate
25 MT_LABEL, // Label name e.k.a. string
26 MT_REGISTER, // Integer Register
27 MT_ADDRESS, // Address operand
28 MT_OFFSET // Register + offset address
29} MOperandType;
30
31/* Do not use virtuals, just one mapping will do */
32class MOperand {
33 public:
34 // Constructor/destructor
35 MOperand(MOperandType mtype, int value);
36 MOperand(MOperandType mtype, float value);
37 MOperand(MOperandType mtype, MRegisterType value);
38 MOperand(MOperandType mtype, string newLabel);
39 MOperand(MOperandType mtype, MRegisterType reg, int offset);
40 ~MOperand();
41
42
43 // Set operand type handling
44 void SetOperandType(MOperandType type);
45 MOperandType GetOperandType() const;
46
47
48 // constant value based
49 int GetIntValue() const;
50 void SetIntValue(int value);
51 float GetRealValue() const;
52 void SetRealValue(float value);
53
54 // register entries
55 void SetRegisterNumber(int value);
56 int GetRegisterNumber() const;
57 void SetRegisterType(MRegisterType value);
58 MRegisterType GetRegisterType() const;
59
60
61 void SetOffset(int value);
62 int GetOffset() const;
63
64 void SetAddress(int value);
65 void SetAddress(MRegisterType value);
66
67 int GetAddress() const;
68
69 void SetLabel(string newLabel);
70 string GetLabel() const;
71
72 // Dump
73 void Dump(FILE *file);
74
75 private:
76 int iValue;
77 float rValue;
78 int registerNumber;
79 string label;
80 int offset;
81 int address;
82 MOperandType mType;
83 };
84
85#endif /* _MOPERAND_H */
86
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