import java.util.*;
import java.io.*;

public class SymbolsReader
{
	StreamTokenizer tokenizer;
	
	SymbolsReader(String symbolsFilename, Hashtable symbolsTable) throws IOException {
		InputStream symbolsFile = new FileInputStream(symbolsFilename);
		tokenizer = new StreamTokenizer(symbolsFile);
		
		tokenizer.resetSyntax();
		tokenizer.eolIsSignificant(false);
		tokenizer.wordChars('0', '9');
		tokenizer.wordChars('a', 'z');
		tokenizer.wordChars('A', 'Z');
		tokenizer.wordChars('_', '_');
		tokenizer.wordChars('.', '.');
                tokenizer.wordChars('?', '?');
		tokenizer.whitespaceChars(' ',' ');
		tokenizer.whitespaceChars('\t','\t');
		tokenizer.whitespaceChars('\n','\n');
		tokenizer.whitespaceChars('\r','\r');

		int addr;
		char type;
		String name;
		int nr=0;
		
		while(true) {
			if((name = nextToken()) == null) break;
			addr = (int) Long.parseLong(name, 16);
			// System.out.print(Integer.toHexString(addr)+"\t");
			if((name = nextToken()) == null) break;
			type = name.charAt(0);
			// System.out.print(type+"\t");
			if((name = nextToken()) == null) break;
			// System.out.println(name);

			if(Character.toLowerCase(type) == 't') {
				symbolsTable.put(new Integer(addr),name);
				nr++;
			}
		}
		System.out.println(nr+" symbols read.");
	}
	
	String nextToken() throws IOException {
		if (tokenizer.nextToken() == StreamTokenizer.TT_EOF) return null;
		
		switch(tokenizer.ttype) {
		case StreamTokenizer.TT_EOL:
			System.out.println("Unexpected EOL ?!?");
			return null;
		case StreamTokenizer.TT_NUMBER:
			System.out.println("Unexpected NUMBER ?!?");
			return null;
		case StreamTokenizer.TT_WORD:
			return tokenizer.sval;
		default:
			System.out.println("Unexpected char: "+
					   (char)tokenizer.ttype);
			return null;
		}
	}
}

// Local Variables:
// c-basic-offset: 8
// End: