//#############################################
//## file: SemanticValue.java
//## An extension of ParserVal.java,
//## to use with TyCC with the -JSemantic
//## option
//#############################################

/** This class provides some of the functionality of the yacc/C 'union' directive */

public class SemanticValue {
    private static java.util.ArrayList errors = new java.util.ArrayList();
    static boolean errorState= false;
    public static boolean getErrorState() { return errorState; }
    public static void clearErrorState()  { errorState = false; }

    /** integer value of this 'union' */
    public int ival;

    /** boolean value of this 'union' */
     public boolean bval;

    /** double value of this 'union' */
    public double dval;

    /** string value of this 'union' */
    public String sval;
    
    /** type value of this 'union' */
    public Type type;

    /** object value of this 'union' */
    public Object obj;
    //#############################################
    //## C O N S T R U C T O R S
    //#############################################
    /** Initialize me as an int */
    public SemanticValue(boolean val) {
        bval = val;
    }

    /** Initialize me as an int */
    public SemanticValue(int val) {
        ival = val;
    }

    /** Initialize me as a double */
    public SemanticValue(double val) {
        dval = val;
    }

    /** Initialize me as a string */
    public SemanticValue(String val) {
        sval = val;
    }

    /** Initialize me as a string */
    public SemanticValue(Type val) {
        type = val;
    }

    /** Initialize me as an Object */
    public SemanticValue(Object val) {
        obj = val;
    }

    public SemanticValue() {
    }

    public static void addError(Exception e) {
    	System.err.println("WRONG!: " + e.getMessage());
    	errorState = true;
        errors.add(e);
    }

    public static void reportErrors() {
        for (int i = 0; i < errors.size(); i++)
            System.out.println(((Exception)errors.get(i)).toString());
    }

    public static void clearErrors() {
        errors.clear();
    }
} //end class
//#############################################
//## E N D    O F    F I L E
//#############################################