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package macropass2;

import java.io.*;
import java.util.*;
public class MacroPass2{
	public static void main(String[] args) throws IOException{
		mdt[] MDT=new mdt[20];
		mnt[] MNT=new mnt[10];
		arglist[] formal_parameter=new arglist[10];
		arglist[] actual_parameter=new arglist[10];
		int macro_addr=-1;
		
		boolean macro_start=false,macro_end=false;
		int macro_call=-1;
		int mdt_cnt=0,mnt_cnt=0,formal_arglist_cnt=0,actual_arglist_cnt=0,temp_cnt=0,temp_cnt1=0;
		
		BufferedReader br1=new BufferedReader(new FileReader("C:\\Users\\anshj\\TCOB61\\Assembler\\src\\macropass2\\MNT.txt"));
		String line;
		while((line= br1.readLine()) !=null)
		{
			String[] parts=line.split("\\s+");
			//System.out.println("\t"+"\t"+parts[0]+"\t"+parts[1]+"\t\t"+parts[2]);
			MNT[mnt_cnt++]=new mnt(parts[0], Integer.parseInt(parts[1]),Integer.parseInt(parts[2]));
		}
		br1.close();
		System.out.println("\n\t*************MACRO NAME TABLE***************");
		System.out.println("\n\tINDEX\tNAME\tADDRESS\tTOTAL ARGUMENTS");
		for(int i=0;i<mnt_cnt;i++)
			System.out.println("\t"+i+"\t"+MNT[i].name+"\t"+MNT[i].addr+"\t\t"+MNT[i].arg_cnt);
		
		br1=new BufferedReader(new FileReader("C:\\Users\\anshj\\TCOB61\\Assembler\\src\\macropass2\\ARGMNT.txt"));
		while((line=br1.readLine())!=null)
		{
			String[] parameters=line.split("\\s+");
			formal_parameter[formal_arglist_cnt++]=new arglist(parameters[0]);
			if(parameters.length>1)
				formal_parameter[formal_arglist_cnt-1].value = parameters[1];
		}
		br1.close();
		
		System.out.println("\n\n\t*************FORMAL ARGUMENT LIST*********");
		
		
		System.out.println("\n\tINDEX\tNAME\tVALUE");
		for(int i=0;i<formal_arglist_cnt;i++)
			System.out.println("\t"+i+"\t"+formal_parameter[i].argname+"\t"+formal_parameter[i].value);
		
		br1=new BufferedReader(new FileReader("C:\\Users\\anshj\\TCOB61\\Assembler\\src\\macropass2\\MDT.txt"));
		while((line=br1.readLine())!=null)
		{
			MDT[mdt_cnt]=new mdt();
			MDT[mdt_cnt++].stmnt=line;
		}
		br1.close();
		
		System.out.println("\n\t**************MACRO DEFINITION TABLE************");
		System.out.println("\n\tINDEX\t\tSTATEMENT");
		for(int i=0;i<mdt_cnt;i++)
			System.out.println("\t"+i+"\t"+MDT[i].stmnt);
		
		br1=new BufferedReader(new FileReader("C:\\Users\\anshj\\TCOB61\\Assembler\\src\\macropass2\\Input.txt"));
		
		BufferedWriter bw1=new BufferedWriter(new FileWriter("C:\\Users\\anshj\\TCOB61\\Assembler\\src\\macropass2\\Output.txt"));
		while((line=br1.readLine())!=null)
		{
			line=line.replaceAll(",", " ");
			String[] tokens=line.split("\\s+");
			temp_cnt1=0;
			for(String current_token:tokens)
			{
				if(current_token.equalsIgnoreCase("macro"))
				{
					macro_start=true;
					macro_end=false;
				}
				if(macro_end && !macro_start)
				{
					if(macro_call !=-1 && temp_cnt<formal_arglist_cnt-1)
					{
						if(formal_parameter[actual_arglist_cnt].value !="")
							actual_parameter[actual_arglist_cnt++]=new arglist(formal_parameter[actual_arglist_cnt-1].value);
						
						actual_parameter[actual_arglist_cnt++]=new arglist(current_token);
						
						if(formal_parameter[actual_arglist_cnt].value !="")
							actual_parameter[actual_arglist_cnt++]=new arglist(formal_parameter[actual_arglist_cnt-1].value);
					}
					for(int i=0;i<mnt_cnt;i++)
					{
						if(current_token.equals(MNT[i].name)) {
							macro_call=i;
							temp_cnt1=temp_cnt1+MNT[i].arg_cnt;
							break;
						}
						temp_cnt1=temp_cnt1+MNT[i].arg_cnt;
					}
					if(macro_call == -1)
						bw1.write("\t"+current_token);
				}
				if(current_token.equalsIgnoreCase("mend"))
				{
					macro_end=true;
					macro_start=false;
				}
			}
			if(macro_call != -1)
			{
				macro_addr=MNT[macro_call].addr+1;
				while(true)
				{
					if(MDT[macro_addr].stmnt.contains("mend") || MDT[macro_addr].stmnt.contains("MEND"))
					{
						macro_call=-1;
						break;
					}
					else
					{
						bw1.write("\n");
						String[] temp_tokens=MDT[macro_addr++].stmnt.split("\\s+");
						for(String temp : temp_tokens)
						{
							if(temp.matches("#[0-9]+"))
							{
								int num=Integer.parseInt(temp.replaceAll("[^0-9]+",  ""));
								bw1.write(actual_parameter[num-1].argname+"\t");
							}
							else
								bw1.write(temp+"\t");
						}
					}
				}
			}
			if(!macro_start)
				bw1.write("\n");;
			macro_call= -1;
		}
		br1.close();
		bw1.close();
		
		System.out.println("\n\n\t*****************ACTUAL ARGUMENT LIST***************");
		System.out.println("\n\tINDEX\tNAME\tADDRESS");
		for(int i=0;i<actual_arglist_cnt;i++)
			System.out.println("\t"+i+"\t"+actual_parameter[i].argname);
	}
}