package java_cup;
import java_cup.runtime.Symbol;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
public class ErrorManager{
private static ErrorManager errorManager;
private int errors = 0;
private int warnings = 0;
private int fatals = 0;
public int getFatalCount() { return fatals; }
public int getErrorCount() { return errors; }
public int getWarningCount() { return warnings; }
static {
errorManager = new ErrorManager();
}
public static ErrorManager getManager() { return errorManager; }
private ErrorManager(){
}
//TODO: migrate to java.util.logging
/**
* Error message format:
* ERRORLEVEL at (LINE/COLUMN)@SYMBOL: MESSAGE
* ERRORLEVEL : MESSAGE
**/
public void emit_fatal(String message){
System.err.println("Fatal : "+message);
fatals++;
}
public void emit_fatal(String message, Symbol sym){
//System.err.println("Fatal at ("+sym.left+"/"+sym.right+")@"+convSymbol(sym)+" : "+message);
System.err.println("Fatal: "+message+" @ "+sym);
fatals++;
}
public void emit_warning(String message){
System.err.println("Warning : " + message);
warnings++;
}
public void emit_warning(String message, Symbol sym){
// System.err.println("Warning at ("+sym.left+"/"+sym.right+")@"+convSymbol(sym)+" : "+message);
System.err.println("Fatal: "+message+" @ "+sym);
warnings++;
}
public void emit_error(String message){
System.err.println("Error : " + message);
errors++;
}
public void emit_error(String message, Symbol sym){
// System.err.println("Error at ("+sym.left+"/"+sym.right+")@"+convSymbol(sym)+" : "+message);
System.err.println("Error: "+message+" @ "+sym);
errors++;
}
private static String convSymbol(Symbol symbol){
String result = (symbol.value == null)? "" : " (\""+symbol.value.toString()+"\")";
Field [] fields = sym.class.getFields();
for (int i = 0; i < fields.length ; i++){
if (!Modifier.isPublic(fields[i].getModifiers())) continue;
try {
if (fields[i].getInt(null) == symbol.sym) return fields[i].getName()+result;
}catch (Exception ex) {
}
}
return symbol.toString()+result;
}
}