this.temporarySymbols.put( name + ":defined", Boolean.TRUE );
	private void processDefine(String argument, StringList lines, String className ) 	throws BuildException	{		if (argument.equals("false")) {			throw new BuildException( className + " line " + (lines.getCurrentIndex() +1) 					+ ": found invalid #define directive: the symbol [false] cannot be defined.");		}		int equalsIndex = argument.indexOf('=');		if (equalsIndex != -1) {			String name = argument.substring(0, equalsIndex).trim();			String value = argument.substring( equalsIndex + 1).trim();			this.temporaryVariables.put( name, value );		} else {			this.temporarySymbols.put( argument, Boolean.TRUE );		}	}