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#include<stdio.h>
#include<conio.h>
#include<string.h>
#include<stdlib.h>
void main()
{
FILE *f1,*f2,*f3,*f4,*f5;
int i,len;
char mne[20],opnd[20],la[20],name[20],mne1[20],opnd1[20],arg[20];
clrscr();
f1=fopen("minp2.txt","r");
f2=fopen("ntab2.txt","r");
f3=fopen("dtab2.txt","r");
f4=fopen("atab2.txt","w+");
f5=fopen("op2.txt","w");
fscanf(f1,"%s%s%s",la,mne,opnd);
while(strcmp(mne,"END")!=0)
{
if(strcmp(mne,"MACRO")==0)
{
fscanf(f1,"%s%s%s",la,mne,opnd);
while(strcmp(mne,"MEND")!=0)
fscanf(f1,"%s%s%s",la,mne,opnd);
}
else
{
fscanf(f2,"%s",name);
if(strcmp(mne,name)==0)
{
len=strlen(opnd);
for(i=0;i<len;i++)
{
if(opnd[i]!=',')
fprintf(f4,"%c",opnd[i]);
else
fprintf(f4,"\n");
}
fseek(f2,SEEK_SET,0);
fseek(f4,SEEK_SET,0);
fscanf(f3,"%s%s",mne1,opnd1);
fprintf(f5,".\t%s\t%s\n",mne1,opnd);
fscanf(f3,"%s%s",mne1,opnd1);
while(strcmp(mne1,"MEND")!=0)
{
if((opnd1[0]=='&'))
{
fscanf(f4,"%s",arg);
fprintf(f5,"-\t%s\t%s\n",mne1,arg);
}
else
fprintf(f5,"-\t%s\t%s\n",mne1,opnd1);
fscanf(f3,"%s%s",mne1,opnd1);
}
}
else
fprintf(f5,"%s\t%s\t%s\n",la,mne,opnd);
}
fscanf(f1,"%s%s%s",la,mne,opnd);
}
fprintf(f5,"%s\t%s\t%s\n",la,mne,opnd);
fclose(f1);
fclose(f2);
fclose(f3);
fclose(f4);
fclose(f5);
printf("pass2");
getch();
}



Input files:

minp2.txt
EX1MACRO&A,&B
-LDA&A
-STA&B
-MEND-
SAMPLESTART1000
-EX1N1,N2
N1RESW1
N2RESW1
-END-


dtab2.txt
EX1&A,&B
LDA&A
STA&B
MEND


ntab2.txt
EX1




Output files:

atab2.txt
N1
N2


op2.txt
SAMPLESTART1000
.EX1N1,N2
-LDAN1
-STAN2
N1RESW1
N2RESW1
-END-
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Comments

  • ritz
    INPUT MUST BE LIKE MACRO EX1 &amp;A,&amp;B - LDA &amp;A - STA &amp;B - MEND - SAMPLE START 1000 - EX1 N1,N2 N1 RESW 1 N2 RESW 1 - END - MACRO COME FIRST BEFORE MACRO NAME CHANGES IN PROGRAM ARE 16 fscanf(f1,&quot;%s%s%s&quot;,mne,la,opnd);
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