LC2K C语言代码，求写剩下的几个函数

[dragonir]

#include "../inc/TestHarness.h"
#include <assert.h> 
#include "Assemb.h"
#include <iostream>

//Complete the following implementation

bool submission			= false;  // set to true if you want to submit
LPCTSTR m_szUserName	= 
LPCTSTR m_szFtpUser		=
LPCTSTR m_szFtpPassword	=
LPCTSTR  m_szFtpName	= "
INTERNET_PORT m_nPort	= 
LPCTSTR m_szFtpDirectory = 

Assemb::~Assemb() 
{
	
} 

Assemb::Assemb() 
{
	numInst = 0;
} 
Assemb::Assemb(FILE *in, FILE *out):inf(in), outf(out)
{
	//....
	numInst = 0;
} 

Assemb::Assemb(char *in, char *out)
{
    inf = fopen(in, "r");
    outf = fopen(out, "w");
	//....
	numInst = 0;
} 

int Assemb::encoding(Inst ins)
{
	int ans = 0;
	int reg0, reg1, reg2, reg3;
	
	sscanf(ins.arg0, "%d", ®0);
	sscanf(ins.arg1, "%d", ®1);
	sscanf(ins.arg2, "%d", ®2);
	reg3 = (reg2 >= 0) ? (reg2) : ((1 << 16) + reg2);
	
	if(strcmp(ins.opcode, "noop") == 0)
		ans = (1<<22) + (1<<23) + (1<<24);
	if(strcmp(ins.opcode, "halt") == 0)
		ans = (1<<23) + (1<<24);
	if(strcmp(ins.opcode, "jalr") == 0)
		ans = (reg0 << 19) + (reg1 << 16);
	if(strcmp(ins.opcode, ".fill") == 0)
		ans = reg0;
	if(strcmp(ins.opcode, "add") == 0)
		ans = (reg0 << 19) + (reg1 << 16) + reg2;
	if(strcmp(ins.opcode, "nand") == 0)
		ans = (1 << 22) + (reg0 << 19) + (reg1 << 16) + reg2;
	if(strcmp(ins.opcode, "lw") == 0)
		ans = (2 << 22) + (reg0 << 19) + (reg1 << 16) + reg3;
	if(strcmp(ins.opcode, "sw") == 0)
		ans = (3 << 22) + (reg0 << 19) + (reg1 << 16) + reg3;
	if(strcmp(ins.opcode, "beq") == 0)
		ans = (4 << 22) + (reg0 << 19) + (reg1 << 16) + reg3;
	return ans;
}
int Assemb::readinAllInst()	//read in all instructions from source file
{
	char line[MAXLINELENGTH];
    char *ptr = line;
    ins.label[0] = ins.opcode[0] = ins.arg0[0] = ins.arg1[0] = ins.arg2[0] = '\0';
    if (fgets(line, MAXLINELENGTH, inf) == NULL) {
        return(0);
    }
    if (strchr(line, '\n') == NULL) {
	printf("error: line too long\n");
	return(0);
    }
    ptr = line;
    if (sscanf(ptr, "%[^\t\n ]", ins.label)) {
        ptr += strlen(ins.label);
    }
    sscanf(ptr, "%*[\t\n ]%[^\t\n ]%*[\t\n ]%[^\t\n ]%*[\t\n ]%[^\t\n ]%*[\t\n ]%[^\t\n ]",
        ins.opcode, ins.arg0, ins.arg1, ins.arg2);
	return(1);
}

int Assemb::calculateLabels()  //
{	//encoding(Inst ins)
;
	return 0;
}

int Assemb::translateIntoMachineCode()
{	
	int ins;
	encoding(ins)
	return 0;
}

int Assemb::printOutMachineCode()
{
	return 0;
}

int Assemb::readinInst(Inst& ins)
{
    char line[MAXLINELENGTH];
    char *ptr = line;

    /* delete prior values */
    ins.label[0] = ins.opcode[0] = ins.arg0[0] = ins.arg1[0] = ins.arg2[0] = '\0';

    /* read the line from the assembly-language file */
    if (fgets(line, MAXLINELENGTH, inf) == NULL) {
	/* reached end of file */
        return(0);
    }

    /* check for line too long (by looking for a \n) */
    if (strchr(line, '\n') == NULL) {
        /* line too long */
	printf("error: line too long\n");
	return(0);
    }

    /* is there a label? */
    ptr = line;
    if (sscanf(ptr, "%[^\t\n ]", ins.label)) {
	/* successfully read label; advance pointer over the label */
        ptr += strlen(ins.label);
    }

    /*
     * Parse the rest of the line.  Would be nice to have real regular
     * expressions, but scanf will suffice.
     */
    sscanf(ptr, "%*[\t\n ]%[^\t\n ]%*[\t\n ]%[^\t\n ]%*[\t\n ]%[^\t\n ]%*[\t\n ]%[^\t\n ]",
        ins.opcode, ins.arg0, ins.arg1, ins.arg2);

///////////////////////////////////////////////////////////////////////

	return(1);
}