gistfile1.txt

public class SymbolTable {
	public IdentifierHeaderNode[] symbol_table;
	
	
	
	public SymbolTable(){
        this.symbol_table = new IdentifierHeaderNode[50];  // table of 50 identifiers
	}
	public void add(String id, int line){
		int loc = find(id); //location of string id
		for(int i = 0; i < symbol_table.length; i++){
		if(loc == -1){ // first time adding that type of string
		if(symbol_table[i] == null){ //condition necessary to add
			symbol_table[i] = new IdentifierHeaderNode(id, new LineNumNode(line, null));
			break;
		}
		
		}
		if(loc != -1){ //string has been added before
			//symbol_table[loc].setNext(new LineNumNode(symbol_table[loc].getNext().getLineNum(), new LineNumNode(line, null))); // only works on two
		}}	
	}
	
		public int find(String str){
			for(int i = 0; i < symbol_table.length; i++){
			if (symbol_table[i] == null){
				
			}
			else {
				if(symbol_table[i].getIdentifier().equals(str)){
					return i;
				}
			}
			}
			return -1;
		}
	}