MethodInfo.h

/**
 *  Copyright 2010 by Benjamin J. Land (a.k.a. BenLand100)
 *
 *  This file is part of SJVM the Simple Java Virtual Machine.
 *
 *  SJVM is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  SJVM is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with SJVM. If not, see <http://www.gnu.org/licenses/>.
 */

/* 
 * File:   MethodInfo.h
 * Author: Benjamin J. Land
 *
 * Created on November 25, 2008, 7:36 PM
 */

#ifndef _METHODINFO_H
#define	_METHODINFO_H

#include <string>
#include <vector>
#include "ClassFile.h"

class AttributeInfo;

typedef struct {
    unsigned short int startPC;
    unsigned short int endPC;
    unsigned short int handlerPC;
    unsigned short int catchType;
} ExceptionEntry;

class Code {
public:
    unsigned short int maxStack;
    unsigned short int maxLocals;
    unsigned long int codeLength;
    unsigned char *code;
    unsigned short int exceptionCount;
    ExceptionEntry **exceptions;
    unsigned short int attributeCount;
    AttributeInfo **attributes;
    
    Code(AttributeInfo *code);
    ~Code();
};

class MethodInfo {
    friend class ClassFile;
private:
    unsigned short int nameIndex;
    unsigned short int descriptorIndex;
    unsigned short int attributeCount;
    AttributeInfo **attributes;

    MethodInfo(unsigned char *data, int &index);

public:
    unsigned short int accessFlags;
    std::string name;
    std::string descriptor;
    std::string full;
    std::vector<char> typeSz;
    ClassFile* clazz;
    int nargs; //size in bytes
    int argsc; //number of args
    int result;
    int resobject;
    Code *code;
    void *native;
    
    ~MethodInfo();
};

#endif	/* _METHODINFO_H */