@SuppressWarnings("fallthrough")
/* \M-, \C-, \c, or \... */
private int fetchEscapedValue() {
if (!left()) {
throw new SyntaxException(ERR_END_PATTERN_AT_ESCAPE);
}
fetch();
switch (c) {
case 'M':
if (syntax.op2EscCapitalMBarMeta()) {
if (!left()) {
throw new SyntaxException(ERR_END_PATTERN_AT_META);
}
fetch();
if (c != '-') {
throw new SyntaxException(ERR_META_CODE_SYNTAX);
}
if (!left()) {
throw new SyntaxException(ERR_END_PATTERN_AT_META);
}
fetch();
if (c == syntax.metaCharTable.esc) {
c = fetchEscapedValue();
}
c = ((c & 0xff) | 0x80);
} else {
fetchEscapedValueBackSlash();
}
break;
case 'C':
if (syntax.op2EscCapitalCBarControl()) {
if (!left()) {
throw new SyntaxException(ERR_END_PATTERN_AT_CONTROL);
}
fetch();
if (c != '-') {
throw new SyntaxException(ERR_CONTROL_CODE_SYNTAX);
}
fetchEscapedValueControl();
} else {
fetchEscapedValueBackSlash();
}
break;
case 'c':
if (syntax.opEscCControl()) {
fetchEscapedValueControl();
}
/* fall through */
default:
fetchEscapedValueBackSlash();
} // switch
return c; // ???
}
