private void fetchEscapedValue() {
        if (!left()) newSyntaxException(END_PATTERN_AT_ESCAPE);
        fetch();

        switch(c) {

        case 'M':
            if (syntax.op2EscCapitalMBarMeta()) {
                if (!left()) newSyntaxException(END_PATTERN_AT_META);
                fetch();
                if (c != '-') newSyntaxException(META_CODE_SYNTAX);
                if (!left()) newSyntaxException(END_PATTERN_AT_META);
                fetch();
                if (c == syntax.metaCharTable.esc) fetchEscapedValue();
                c = ((c & 0xff) | 0x80);
            } else {
                fetchEscapedValueBackSlash();
            }
            break;

        case 'C':
            if (syntax.op2EscCapitalCBarControl()) {
                if (!left()) newSyntaxException(END_PATTERN_AT_CONTROL);
                fetch();
                if (c != '-') newSyntaxException(CONTROL_CODE_SYNTAX);
                fetchEscapedValueControl();
            } else {
                fetchEscapedValueBackSlash();
            }
            break;

        case 'c':
            if (syntax.opEscCControl()) {
                fetchEscapedValueControl();
            }
            /* fall through */

        default:
            fetchEscapedValueBackSlash();
        } // switch
    }
private void fetchEscapedValue ( ) { if ( ! left ( ) ) newSyntaxException ( END_PATTERN_AT_ESCAPE ) ; fetch ( ) ; switch ( c ) { case 'M' : if ( syntax . op2EscCapitalMBarMeta ( ) ) { if ( ! left ( ) ) newSyntaxException ( END_PATTERN_AT_META ) ; fetch ( ) ; if ( c != '-' ) newSyntaxException ( META_CODE_SYNTAX ) ; if ( ! left ( ) ) newSyntaxException ( END_PATTERN_AT_META ) ; fetch ( ) ; if ( c == syntax . metaCharTable . esc ) fetchEscapedValue ( ) ; c = ( ( c & 0xff ) | 0x80 ) ; } else { fetchEscapedValueBackSlash ( ) ; } break ; case 'C' : if ( syntax . op2EscCapitalCBarControl ( ) ) { if ( ! left ( ) ) newSyntaxException ( END_PATTERN_AT_CONTROL ) ; fetch ( ) ; if ( c != '-' ) newSyntaxException ( CONTROL_CODE_SYNTAX ) ; fetchEscapedValueControl ( ) ; } else { fetchEscapedValueBackSlash ( ) ; } break ; case 'c' : if ( syntax . opEscCControl ( ) ) { fetchEscapedValueControl ( ) ; } default : fetchEscapedValueBackSlash ( ) ; } }
/* \M-, \C-, \c, or \...