root/utils/abcasm/src/abcasm/ExceptionInfo.java

DEFINITIONS

1. validateSemantics

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package abcasm;

class ExceptionInfo
{
        Label   from;
        Label   to;
        Label   target;
        
        Integer exc_type;
        Integer name_id;
        
        void validateSemantics()
        {
                if ( null == from )
                        throw new IllegalArgumentException(".exception must specify from label");
                if ( null == to )
                        throw new IllegalArgumentException(".exception must specify to label");
                if ( null == target )
                        throw new IllegalArgumentException(".exception must specify target label");
                
                //  Default the entries that have useful defaults.
                if ( null == exc_type )
                        exc_type = new Integer(0);
                if ( null == name_id )
                        name_id = new Integer(0);
        }
}