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