package heat;
import st.TypeEnum;
import st.ClassInstance;

/**
 * A simple wrapper for TypeEnum,
 * meant to provide all helper methods
 * and structures for evaluating typing.
 */
class TypeBundle {

    private TypeEnum type;
    private ClassInstance instance;

    protected TypeBundle(TypeEnum type, ClassInstance instance) {
        this.type = type;
        this.instance = instance;
    }

    @Override public String toString() {
        String cls = (this.instance != null) ? String.format(" (%s)", this.instance) : "";
        return String.format("%s%s",
                             this.type,
                             cls);
    }

    @Override public boolean equals(Object other) {
        TypeBundle tb;
        return (other instanceof TypeBundle) &&
            (tb = (TypeBundle) other).type == this.type &&
            (tb.instance == this.instance ||
             (tb.instance != null && tb.instance.getExtend() != null &&
              tb.instance.getExtend().equals(this.instance)));
    }

    public boolean isClass() {
        return this.type == TypeEnum.classname;
    }

    public boolean isMethod() {
        return this.type == TypeEnum.method;
    }

    public boolean isArray() {
        return this.type == TypeEnum.intarray;
    }

    public boolean isBool() {
        return this.type == TypeEnum.bool;
    }

    public boolean isInt() {
        return this.type == TypeEnum.integer;
    }

    public TypeEnum getType() {
        return this.type;
    }

    public ClassInstance getInstance() {
        return this.instance;
    }

}