Bug 1135377 - Part 3: Parse RegExp unicode character in CharacterClass. r=till, f=anba

This commit is contained in:
Tooru Fujisawa 2015-08-07 08:11:46 +09:00
Родитель e2993e2972
Коммит fec1e26e0b
10 изменённых файлов: 983 добавлений и 48 удалений

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@ -421,8 +421,8 @@ IsSpecialClassEscape(widechar c)
#endif
template <typename CharT>
widechar
RegExpParser<CharT>::ParseClassCharacterEscape()
bool
RegExpParser<CharT>::ParseClassCharacterEscape(widechar* code)
{
MOZ_ASSERT(current() == '\\');
MOZ_ASSERT(has_next() && !IsSpecialClassEscape(Next()));
@ -430,24 +430,30 @@ RegExpParser<CharT>::ParseClassCharacterEscape()
switch (current()) {
case 'b':
Advance();
return '\b';
*code = '\b';
return true;
// ControlEscape :: one of
// f n r t v
case 'f':
Advance();
return '\f';
*code = '\f';
return true;
case 'n':
Advance();
return '\n';
*code = '\n';
return true;
case 'r':
Advance();
return '\r';
*code = '\r';
return true;
case 't':
Advance();
return '\t';
*code = '\t';
return true;
case 'v':
Advance();
return '\v';
*code = '\v';
return true;
case 'c': {
widechar controlLetter = Next();
widechar letter = controlLetter & ~('A' ^ 'a');
@ -459,35 +465,65 @@ RegExpParser<CharT>::ParseClassCharacterEscape()
Advance(2);
// Control letters mapped to ASCII control characters in the range
// 0x00-0x1f.
return controlLetter & 0x1f;
*code = controlLetter & 0x1f;
return true;
}
// We match JSC in reading the backslash as a literal
// character instead of as starting an escape.
return '\\';
*code = '\\';
return true;
}
case '0': case '1': case '2': case '3': case '4': case '5':
case '6': case '7':
// For compatibility, we interpret a decimal escape that isn't
// a back reference (and therefore either \0 or not valid according
// to the specification) as a 1..3 digit octal character code.
return ParseOctalLiteral();
*code = ParseOctalLiteral();
return true;
case 'x': {
Advance();
size_t value;
if (ParseHexEscape(2, &value))
return value;
if (ParseHexEscape(2, &value)) {
*code = value;
return true;
}
// If \x is not followed by a two-digit hexadecimal, treat it
// as an identity escape.
return 'x';
*code = 'x';
return true;
}
case 'u': {
Advance();
size_t value;
if (ParseHexEscape(4, &value))
return value;
// If \u is not followed by a four-digit hexadecimal, treat it
if (unicode_) {
if (current() == '{') {
if (!ParseBracedHexEscape(&value))
return false;
*code = value;
return true;
}
if (ParseHexEscape(4, &value)) {
if (unicode::IsLeadSurrogate(value)) {
size_t trail;
if (ParseTrailSurrogate(&trail)) {
*code = unicode::UTF16Decode(value, trail);
return true;
}
}
*code = value;
return true;
}
ReportError(JSMSG_INVALID_UNICODE_ESCAPE);
return false;
}
if (ParseHexEscape(4, &value)) {
*code = value;
return true;
}
// If \u is not followed by a four-digit or braced hexadecimal, treat it
// as an identity escape.
return 'u';
*code = 'u';
return true;
}
default: {
// Extended identity escape. We accept any character that hasn't
@ -495,27 +531,319 @@ RegExpParser<CharT>::ParseClassCharacterEscape()
// by the ECMAScript specification.
widechar result = current();
Advance();
return result;
*code = result;
return true;
}
}
return 0;
return true;
}
class WideCharRange
{
public:
WideCharRange()
: from_(0), to_(0)
{}
WideCharRange(widechar from, widechar to)
: from_(from), to_(to)
{}
static inline WideCharRange Singleton(widechar value) {
return WideCharRange(value, value);
}
static inline WideCharRange Range(widechar from, widechar to) {
MOZ_ASSERT(from <= to);
return WideCharRange(from, to);
}
widechar from() const { return from_; }
widechar to() const { return to_; }
private:
widechar from_;
widechar to_;
};
typedef Vector<WideCharRange, 1, LifoAllocPolicy<Infallible> > WideCharRangeVector;
static inline CharacterRange
LeadSurrogateRange()
{
return CharacterRange::Range(unicode::LeadSurrogateMin, unicode::LeadSurrogateMax);
}
static inline CharacterRange
TrailSurrogateRange()
{
return CharacterRange::Range(unicode::TrailSurrogateMin, unicode::TrailSurrogateMax);
}
static inline WideCharRange
NonBMPRange()
{
return WideCharRange::Range(unicode::NonBMPMin, unicode::NonBMPMax);
}
static const char16_t kNoCharClass = 0;
// Adds range or pre-defined character class to character ranges.
// Adds a character or pre-defined character class to character ranges.
// If char_class is not kInvalidClass, it's interpreted as a class
// escape (i.e., 's' means whitespace, from '\s').
static inline void
AddRangeOrEscape(LifoAlloc* alloc,
CharacterRangeVector* ranges,
char16_t char_class,
CharacterRange range)
AddCharOrEscape(LifoAlloc* alloc,
CharacterRangeVector* ranges,
char16_t char_class,
widechar c)
{
if (char_class != kNoCharClass)
CharacterRange::AddClassEscape(alloc, char_class, ranges);
else
ranges->append(range);
ranges->append(CharacterRange::Singleton(c));
}
static inline void
AddCharOrEscapeUnicode(LifoAlloc* alloc,
CharacterRangeVector* ranges,
CharacterRangeVector* lead_ranges,
CharacterRangeVector* trail_ranges,
WideCharRangeVector* wide_ranges,
char16_t char_class,
widechar c)
{
if (char_class != kNoCharClass)
CharacterRange::AddClassEscape(alloc, char_class, ranges);
else if (unicode::IsLeadSurrogate(c))
lead_ranges->append(CharacterRange::Singleton(c));
else if (unicode::IsTrailSurrogate(c))
trail_ranges->append(CharacterRange::Singleton(c));
else if (c >= unicode::NonBMPMin)
wide_ranges->append(WideCharRange::Singleton(c));
else
ranges->append(CharacterRange::Singleton(c));
}
static inline void
AddUnicodeRange(LifoAlloc* alloc,
CharacterRangeVector* ranges,
CharacterRangeVector* lead_ranges,
CharacterRangeVector* trail_ranges,
WideCharRangeVector* wide_ranges,
widechar first,
widechar next)
{
MOZ_ASSERT(first <= next);
if (first < unicode::LeadSurrogateMin) {
if (next < unicode::LeadSurrogateMin) {
ranges->append(CharacterRange::Range(first, next));
return;
}
ranges->append(CharacterRange::Range(first, unicode::LeadSurrogateMin - 1));
first = unicode::LeadSurrogateMin;
}
if (first <= unicode::LeadSurrogateMax) {
if (next <= unicode::LeadSurrogateMax) {
lead_ranges->append(CharacterRange::Range(first, next));
return;
}
lead_ranges->append(CharacterRange::Range(first, unicode::LeadSurrogateMax));
first = unicode::LeadSurrogateMax + 1;
}
MOZ_ASSERT(unicode::LeadSurrogateMax + 1 == unicode::TrailSurrogateMin);
if (first <= unicode::TrailSurrogateMax) {
if (next <= unicode::TrailSurrogateMax) {
trail_ranges->append(CharacterRange::Range(first, next));
return;
}
trail_ranges->append(CharacterRange::Range(first, unicode::TrailSurrogateMax));
first = unicode::TrailSurrogateMax + 1;
}
if (first <= unicode::UTF16Max) {
if (next <= unicode::UTF16Max) {
ranges->append(CharacterRange::Range(first, next));
return;
}
ranges->append(CharacterRange::Range(first, unicode::UTF16Max));
first = unicode::NonBMPMin;
}
MOZ_ASSERT(unicode::UTF16Max + 1 == unicode::NonBMPMin);
wide_ranges->append(WideCharRange::Range(first, next));
}
// Negate a vector of ranges by subtracting its ranges from a range
// encompassing the full range of possible values.
template <typename RangeType>
static inline void
NegateUnicodeRanges(LifoAlloc* alloc, Vector<RangeType, 1, LifoAllocPolicy<Infallible> >** ranges,
RangeType full_range)
{
typedef Vector<RangeType, 1, LifoAllocPolicy<Infallible> > RangeVector;
RangeVector* tmp_ranges = alloc->newInfallible<RangeVector>(*alloc);
tmp_ranges->append(full_range);
RangeVector* result_ranges = alloc->newInfallible<RangeVector>(*alloc);
// Perform the following calculation:
// result_ranges = tmp_ranges - ranges
// with the following steps:
// result_ranges = tmp_ranges - ranges[0]
// SWAP(result_ranges, tmp_ranges)
// result_ranges = tmp_ranges - ranges[1]
// SWAP(result_ranges, tmp_ranges)
// ...
// result_ranges = tmp_ranges - ranges[N-1]
// SWAP(result_ranges, tmp_ranges)
// The last SWAP is just for simplicity of the loop.
for (size_t i = 0; i < (*ranges)->length(); i++) {
result_ranges->clear();
const RangeType& range = (**ranges)[i];
for (size_t j = 0; j < tmp_ranges->length(); j++) {
const RangeType& tmpRange = (*tmp_ranges)[j];
size_t from1 = tmpRange.from();
size_t to1 = tmpRange.to();
size_t from2 = range.from();
size_t to2 = range.to();
if (from1 < from2) {
if (to1 < from2) {
result_ranges->append(tmpRange);
} else if (to1 <= to2) {
result_ranges->append(RangeType::Range(from1, from2 - 1));
} else {
result_ranges->append(RangeType::Range(from1, from2 - 1));
result_ranges->append(RangeType::Range(to2 + 1, to1));
}
} else if (from1 <= to2) {
if (to1 > to2)
result_ranges->append(RangeType::Range(to2 + 1, to1));
} else {
result_ranges->append(tmpRange);
}
}
auto tmp = tmp_ranges;
tmp_ranges = result_ranges;
result_ranges = tmp;
}
// After the loop, result is pointed at by tmp_ranges, instead of
// result_ranges.
*ranges = tmp_ranges;
}
static RegExpTree*
UnicodeRangesAtom(LifoAlloc* alloc,
CharacterRangeVector* ranges,
CharacterRangeVector* lead_ranges,
CharacterRangeVector* trail_ranges,
WideCharRangeVector* wide_ranges,
bool is_negated)
{
if (is_negated) {
NegateUnicodeRanges(alloc, &lead_ranges, LeadSurrogateRange());
NegateUnicodeRanges(alloc, &trail_ranges, TrailSurrogateRange());
NegateUnicodeRanges(alloc, &wide_ranges, NonBMPRange());
}
RegExpBuilder* builder = alloc->newInfallible<RegExpBuilder>(alloc);
bool added = false;
if (is_negated) {
ranges->append(LeadSurrogateRange());
ranges->append(TrailSurrogateRange());
}
if (ranges->length() > 0) {
builder->AddAtom(alloc->newInfallible<RegExpCharacterClass>(ranges, is_negated));
added = true;
}
if (lead_ranges->length() > 0) {
if (added)
builder->NewAlternative();
builder->AddAtom(alloc->newInfallible<RegExpCharacterClass>(lead_ranges, false));
builder->AddAtom(NegativeLookahead(alloc, unicode::TrailSurrogateMin,
unicode::TrailSurrogateMax));
added = true;
}
if (trail_ranges->length() > 0) {
if (added)
builder->NewAlternative();
builder->AddAssertion(alloc->newInfallible<RegExpAssertion>(
RegExpAssertion::NOT_AFTER_LEAD_SURROGATE));
builder->AddAtom(alloc->newInfallible<RegExpCharacterClass>(trail_ranges, false));
added = true;
}
for (size_t i = 0; i < wide_ranges->length(); i++) {
if (added)
builder->NewAlternative();
const WideCharRange& range = (*wide_ranges)[i];
widechar from = range.from();
widechar to = range.to();
size_t from_lead, from_trail;
size_t to_lead, to_trail;
unicode::UTF16Encode(from, &from_lead, &from_trail);
if (from == to) {
builder->AddCharacter(from_lead);
builder->AddCharacter(from_trail);
} else {
unicode::UTF16Encode(to, &to_lead, &to_trail);
if (from_lead == to_lead) {
MOZ_ASSERT(from_trail != to_trail);
builder->AddCharacter(from_lead);
builder->AddAtom(RangeAtom(alloc, from_trail, to_trail));
} else if (from_trail == unicode::TrailSurrogateMin &&
to_trail == unicode::TrailSurrogateMax)
{
builder->AddAtom(RangeAtom(alloc, from_lead, to_lead));
builder->AddAtom(RangeAtom(alloc, unicode::TrailSurrogateMin,
unicode::TrailSurrogateMax));
} else if (from_lead + 1 == to_lead) {
builder->AddCharacter(from_lead);
builder->AddAtom(RangeAtom(alloc, from_trail, unicode::TrailSurrogateMax));
builder->NewAlternative();
builder->AddCharacter(to_lead);
builder->AddAtom(RangeAtom(alloc, unicode::TrailSurrogateMin, to_trail));
} else if (from_lead + 2 == to_lead) {
builder->AddCharacter(from_lead);
builder->AddAtom(RangeAtom(alloc, from_trail, unicode::TrailSurrogateMax));
builder->NewAlternative();
builder->AddCharacter(from_lead + 1);
builder->AddAtom(RangeAtom(alloc, unicode::TrailSurrogateMin,
unicode::TrailSurrogateMax));
builder->NewAlternative();
builder->AddCharacter(to_lead);
builder->AddAtom(RangeAtom(alloc, unicode::TrailSurrogateMin, to_trail));
} else {
builder->AddCharacter(from_lead);
builder->AddAtom(RangeAtom(alloc, from_trail, unicode::TrailSurrogateMax));
builder->NewAlternative();
builder->AddAtom(RangeAtom(alloc, from_lead + 1, to_lead - 1));
builder->AddAtom(RangeAtom(alloc, unicode::TrailSurrogateMin,
unicode::TrailSurrogateMax));
builder->NewAlternative();
builder->AddCharacter(to_lead);
builder->AddAtom(RangeAtom(alloc, unicode::TrailSurrogateMin, to_trail));
}
}
added = true;
}
return builder->ToRegExp();
}
template <typename CharT>
@ -530,9 +858,19 @@ RegExpParser<CharT>::ParseCharacterClass()
Advance();
}
CharacterRangeVector* ranges = alloc->newInfallible<CharacterRangeVector>(*alloc);
CharacterRangeVector* lead_ranges = nullptr;
CharacterRangeVector* trail_ranges = nullptr;
WideCharRangeVector* wide_ranges = nullptr;
if (unicode_) {
lead_ranges = alloc->newInfallible<CharacterRangeVector>(*alloc);
trail_ranges = alloc->newInfallible<CharacterRangeVector>(*alloc);
wide_ranges = alloc->newInfallible<WideCharRangeVector>(*alloc);
}
while (has_more() && current() != ']') {
char16_t char_class = kNoCharClass;
CharacterRange first;
widechar first = 0;
if (!ParseClassAtom(&char_class, &first))
return nullptr;
if (current() == '-') {
@ -542,41 +880,68 @@ RegExpParser<CharT>::ParseCharacterClass()
// following code report an error.
break;
} else if (current() == ']') {
AddRangeOrEscape(alloc, ranges, char_class, first);
if (unicode_) {
AddCharOrEscapeUnicode(alloc, ranges, lead_ranges, trail_ranges, wide_ranges,
char_class, first);
} else {
AddCharOrEscape(alloc, ranges, char_class, first);
}
ranges->append(CharacterRange::Singleton('-'));
break;
}
char16_t char_class_2 = kNoCharClass;
CharacterRange next;
widechar next = 0;
if (!ParseClassAtom(&char_class_2, &next))
return nullptr;
if (char_class != kNoCharClass || char_class_2 != kNoCharClass) {
if (unicode_)
return ReportError(JSMSG_RANGE_WITH_CLASS_ESCAPE);
// Either end is an escaped character class. Treat the '-' verbatim.
AddRangeOrEscape(alloc, ranges, char_class, first);
AddCharOrEscape(alloc, ranges, char_class, first);
ranges->append(CharacterRange::Singleton('-'));
AddRangeOrEscape(alloc, ranges, char_class_2, next);
AddCharOrEscape(alloc, ranges, char_class_2, next);
continue;
}
if (first.from() > next.to())
if (first > next)
return ReportError(JSMSG_BAD_CLASS_RANGE);
ranges->append(CharacterRange::Range(first.from(), next.to()));
if (unicode_)
AddUnicodeRange(alloc, ranges, lead_ranges, trail_ranges,wide_ranges, first, next);
else
ranges->append(CharacterRange::Range(first, next));
} else {
AddRangeOrEscape(alloc, ranges, char_class, first);
if (unicode_) {
AddCharOrEscapeUnicode(alloc, ranges, lead_ranges, trail_ranges, wide_ranges,
char_class, first);
} else {
AddCharOrEscape(alloc, ranges, char_class, first);
}
}
}
if (!has_more())
return ReportError(JSMSG_UNTERM_CLASS);
Advance();
if (ranges->length() == 0) {
ranges->append(CharacterRange::Everything());
is_negated = !is_negated;
if (!unicode_) {
if (ranges->length() == 0) {
ranges->append(CharacterRange::Everything());
is_negated = !is_negated;
}
return alloc->newInfallible<RegExpCharacterClass>(ranges, is_negated);
}
return alloc->newInfallible<RegExpCharacterClass>(ranges, is_negated);
if (!is_negated && ranges->length() == 0 && lead_ranges->length() == 0 &&
trail_ranges->length() == 0 && wide_ranges->length() == 0)
{
ranges->append(CharacterRange::Everything());
return alloc->newInfallible<RegExpCharacterClass>(ranges, true);
}
return UnicodeRangesAtom(alloc, ranges, lead_ranges, trail_ranges, wide_ranges, is_negated);
}
template <typename CharT>
bool
RegExpParser<CharT>::ParseClassAtom(char16_t* char_class, CharacterRange* char_range)
RegExpParser<CharT>::ParseClassAtom(char16_t* char_class, widechar* value)
{
MOZ_ASSERT(*char_class == kNoCharClass);
widechar first = current();
@ -590,13 +955,20 @@ RegExpParser<CharT>::ParseClassAtom(char16_t* char_class, CharacterRange* char_r
case kEndMarker:
return ReportError(JSMSG_ESCAPE_AT_END_OF_REGEXP);
default:
widechar c = ParseClassCharacterEscape();
*char_range = CharacterRange::Singleton(c);
if (!ParseClassCharacterEscape(value))
return false;
return true;
}
} else {
if (unicode_) {
char16_t lead, trail;
if (ParseRawSurrogatePair(&lead, &trail)) {
*value = unicode::UTF16Decode(lead, trail);
return true;
}
}
Advance();
*char_range = CharacterRange::Singleton(first);
*value = first;
return true;
}
}

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@ -185,9 +185,11 @@ class RegExpParser
// out parameters.
bool ParseIntervalQuantifier(int* min_out, int* max_out);
// Parses and returns a single escaped character. The character
// must not be 'b' or 'B' since they are usually handled specially.
widechar ParseClassCharacterEscape();
// Tries to parse the input as a single escaped character. If successful
// it stores the result in the output parameter and returns true.
// Otherwise it throws an error and returns false. The character must not
// be 'b' or 'B' since they are usually handled specially.
bool ParseClassCharacterEscape(widechar* code);
// Checks whether the following is a length-digit hexadecimal number,
// and sets the value if it is.
@ -205,7 +207,7 @@ class RegExpParser
// can be reparsed.
bool ParseBackReferenceIndex(int* index_out);
bool ParseClassAtom(char16_t* char_class, CharacterRange* char_range);
bool ParseClassAtom(char16_t* char_class, widechar *value);
RegExpTree* ReportError(unsigned errorNumber);
void Advance();
void Advance(int dist) {

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@ -453,6 +453,7 @@ MSG_DEF(JSMSG_MISSING_PAREN, 0, JSEXN_SYNTAXERR, "unterminated parenth
MSG_DEF(JSMSG_NEWREGEXP_FLAGGED, 0, JSEXN_TYPEERR, "can't supply flags when constructing one RegExp from another")
MSG_DEF(JSMSG_NOTHING_TO_REPEAT, 0, JSEXN_SYNTAXERR, "nothing to repeat")
MSG_DEF(JSMSG_NUMBERS_OUT_OF_ORDER, 0, JSEXN_SYNTAXERR, "numbers out of order in {} quantifier.")
MSG_DEF(JSMSG_RANGE_WITH_CLASS_ESCAPE, 0, JSEXN_SYNTAXERR, "character class escape cannot be used in class range in regular expression")
MSG_DEF(JSMSG_TOO_MANY_PARENS, 0, JSEXN_INTERNALERR, "too many parentheses in regular expression")
MSG_DEF(JSMSG_UNICODE_OVERFLOW, 0, JSEXN_SYNTAXERR, "unicode codepoint should not be greater than 0x10FFFF in regular expression")
MSG_DEF(JSMSG_UNMATCHED_RIGHT_PAREN, 0, JSEXN_SYNTAXERR, "unmatched ) in regular expression")

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@ -0,0 +1,236 @@
var BUGNUMBER = 1135377;
var summary = "Implement RegExp unicode flag -- braced pattern in RegExpUnicodeEscapeSequence in CharacterClass.";
print(BUGNUMBER + ": " + summary);
// ==== standalone ====
assertEqArray(/[\u{41}]/u.exec("ABC"),
["A"]);
assertEqArray(/[\u{1F438}]/u.exec("\u{1F438}"),
["\u{1F438}"]);
assertEq(/[\u{1F438}]/u.exec("\uD83D"),
null);
assertEq(/[\u{1F438}]/u.exec("\uDC38"),
null);
assertEqArray(/[\u{0}]/u.exec("\u{0}"),
["\u{0}"]);
assertEqArray(/[\u{10FFFF}]/u.exec("\u{10FFFF}"),
["\u{10FFFF}"]);
assertEqArray(/[\u{10ffff}]/u.exec("\u{10FFFF}"),
["\u{10FFFF}"]);
// leading 0
assertEqArray(/[\u{0000000000000000000000}]/u.exec("\u{0}"),
["\u{0}"]);
assertEqArray(/[\u{000000000000000010FFFF}]/u.exec("\u{10FFFF}"),
["\u{10FFFF}"]);
// RegExp constructor
assertEqArray(new RegExp("[\\u{0}]", "u").exec("\u{0}"),
["\u{0}"]);
assertEqArray(new RegExp("[\\u{41}]", "u").exec("ABC"),
["A"]);
assertEqArray(new RegExp("[\\u{1F438}]", "u").exec("\u{1F438}"),
["\u{1F438}"]);
assertEqArray(new RegExp("[\\u{10FFFF}]", "u").exec("\u{10FFFF}"),
["\u{10FFFF}"]);
assertEqArray(new RegExp("[\\u{0000000000000000}]", "u").exec("\u{0}"),
["\u{0}"]);
assertEqArray(eval(`/[\\u{${"0".repeat(Math.pow(2, 24)) + "1234"}}]/u`).exec("\u{1234}"),
["\u{1234}"]);
assertEqArray(new RegExp(`[\\u{${"0".repeat(Math.pow(2, 24)) + "1234"}}]`, "u").exec("\u{1234}"),
["\u{1234}"]);
// ==== BMP + non-BMP ====
assertEqArray(/[A\u{1F438}]/u.exec("A\u{1F438}"),
["A"]);
assertEqArray(/[A\u{1F438}]/u.exec("\u{1F438}A"),
["\u{1F438}"]);
// lead-only target
assertEqArray(/[A\u{1F438}]/u.exec("\uD83DA"),
["A"]);
assertEq(/[A\u{1F438}]/u.exec("\uD83D"),
null);
// +
assertEqArray(/[A\u{1F438}]+/u.exec("\u{1F438}A\u{1F438}A"),
["\u{1F438}A\u{1F438}A"]);
// trail surrogate + lead surrogate
assertEqArray(/[A\u{1F438}]+/u.exec("\uD83D\uDC38A\uDC38\uD83DA"),
["\uD83D\uDC38A"]);
// ==== non-BMP + non-BMP ====
assertEqArray(/[\u{1F418}\u{1F438}]/u.exec("\u{1F418}\u{1F438}"),
["\u{1F418}"]);
assertEqArray(/[\u{1F418}\u{1F438}]+/u.exec("\u{1F418}\u{1F438}"),
["\u{1F418}\u{1F438}"]);
assertEqArray(/[\u{1F418}\u{1F438}]+/u.exec("\u{1F418}\uDC38\uD83D"),
["\u{1F418}"]);
assertEqArray(/[\u{1F418}\u{1F438}]+/u.exec("\uDC18\uD83D\u{1F438}"),
["\u{1F438}"]);
assertEqArray(/[\u{1F418}\u{1F438}]+/u.exec("\uDC18\u{1F438}\uD83D"),
["\u{1F438}"]);
// trail surrogate + lead surrogate
assertEq(/[\u{1F418}\u{1F438}]+/u.exec("\uDC18\uDC38\uD83D\uD83D"),
null);
// ==== non-BMP + non-BMP range (from_lead == to_lead) ====
assertEqArray(/[\u{1F418}-\u{1F438}]/u.exec("\u{1F418}"),
["\u{1F418}"]);
assertEqArray(/[\u{1F418}-\u{1F438}]/u.exec("\u{1F438}"),
["\u{1F438}"]);
assertEqArray(/[\u{1F418}-\u{1F438}]/u.exec("\u{1F427}"),
["\u{1F427}"]);
assertEq(/[\u{1F418}-\u{1F438}]/u.exec("\u{1F417}"),
null);
assertEq(/[\u{1F418}-\u{1F438}]/u.exec("\u{1F439}"),
null);
// ==== non-BMP + non-BMP range (from_lead + 1 == to_lead) ====
assertEqArray(/[\u{1F17C}-\u{1F438}]/u.exec("\uD83C\uDD7C"),
["\uD83C\uDD7C"]);
assertEqArray(/[\u{1F17C}-\u{1F438}]/u.exec("\u{1F438}"),
["\u{1F438}"]);
assertEqArray(/[\u{1F17C}-\u{1F438}]/u.exec("\uD83C\uDF99"),
["\uD83C\uDF99"]);
assertEqArray(/[\u{1F17C}-\u{1F438}]/u.exec("\uD83D\uDC00"),
["\uD83D\uDC00"]);
assertEq(/[\u{1F17C}-\u{1F438}]/u.exec("\uD83C\uDD7B"),
null);
assertEq(/[\u{1F17C}-\u{1F438}]/u.exec("\uD83C\uE000"),
null);
assertEq(/[\u{1F17C}-\u{1F438}]/u.exec("\uD83D\uDB99"),
null);
assertEq(/[\u{1F17C}-\u{1F438}]/u.exec("\uD83D\uDC39"),
null);
// ==== non-BMP + non-BMP range (from_lead + 2 == to_lead) ====
assertEqArray(/[\u{1F17C}-\u{1F829}]/u.exec("\uD83C\uDD7C"),
["\uD83C\uDD7C"]);
assertEqArray(/[\u{1F17C}-\u{1F829}]/u.exec("\uD83E\uDC29"),
["\uD83E\uDC29"]);
assertEqArray(/[\u{1F17C}-\u{1F829}]/u.exec("\uD83C\uDF99"),
["\uD83C\uDF99"]);
assertEqArray(/[\u{1F17C}-\u{1F829}]/u.exec("\uD83D\uDC00"),
["\uD83D\uDC00"]);
assertEqArray(/[\u{1F17C}-\u{1F829}]/u.exec("\uD83D\uDF99"),
["\uD83D\uDF99"]);
assertEqArray(/[\u{1F17C}-\u{1F829}]/u.exec("\uD83E\uDC00"),
["\uD83E\uDC00"]);
assertEq(/[\u{1F17C}-\u{1F829}]/u.exec("\uD83C\uDD7B"),
null);
assertEq(/[\u{1F17C}-\u{1F829}]/u.exec("\uD83C\uE000"),
null);
assertEq(/[\u{1F17C}-\u{1F829}]/u.exec("\uD83D\uDB99"),
null);
assertEq(/[\u{1F17C}-\u{1F829}]/u.exec("\uD83D\uE000"),
null);
assertEq(/[\u{1F17C}-\u{1F829}]/u.exec("\uD83E\uDB99"),
null);
assertEq(/[\u{1F17C}-\u{1F829}]/u.exec("\uD83E\uDC30"),
null);
// ==== non-BMP + non-BMP range (other) ====
assertEqArray(/[\u{1D164}-\u{1F438}]/u.exec("\uD834\uDD64"),
["\uD834\uDD64"]);
assertEqArray(/[\u{1D164}-\u{1F438}]/u.exec("\u{1F438}"),
["\u{1F438}"]);
assertEqArray(/[\u{1D164}-\u{1F438}]/u.exec("\uD836\uDF99"),
["\uD836\uDF99"]);
assertEqArray(/[\u{1D164}-\u{1F438}]/u.exec("\uD838\uDC00"),
["\uD838\uDC00"]);
assertEq(/[\u{1D164}-\u{1F438}]/u.exec("\uD834\uDD63"),
null);
assertEq(/[\u{1D164}-\u{1F438}]/u.exec("\uD83D\uDC39"),
null);
assertEq(/[\u{1D164}-\u{1F438}]/u.exec("\uD834\uE000"),
null);
assertEq(/[\u{1D164}-\u{1F438}]/u.exec("\uD835\uDB99"),
null);
assertEq(/[\u{1D164}-\u{1F438}]/u.exec("\uD83C\uE000"),
null);
assertEq(/[\u{1D164}-\u{1F438}]/u.exec("\uD83D\uDB99"),
null);
// ==== BMP + non-BMP range ====
assertEqArray(/[\u{42}-\u{1F438}]/u.exec("B"),
["B"]);
assertEqArray(/[\u{42}-\u{1F438}]/u.exec("C"),
["C"]);
assertEqArray(/[\u{42}-\u{1F438}]/u.exec("\uFFFF"),
["\uFFFF"]);
assertEqArray(/[\u{42}-\u{1F438}]/u.exec("\uD800\uDC00"),
["\uD800\uDC00"]);
assertEqArray(/[\u{42}-\u{1F438}]/u.exec("\uD800"),
["\uD800"]);
assertEqArray(/[\u{42}-\u{1F438}]/u.exec("\uDBFF"),
["\uDBFF"]);
assertEqArray(/[\u{42}-\u{1F438}]/u.exec("\uDC00"),
["\uDC00"]);
assertEqArray(/[\u{42}-\u{1F438}]/u.exec("\uDFFF"),
["\uDFFF"]);
assertEqArray(/[\u{42}-\u{1F438}]/u.exec("\uD83D"),
["\uD83D"]);
assertEqArray(/[\u{42}-\u{1F438}]/u.exec("\uDC38"),
["\uDC38"]);
assertEqArray(/[\u{42}-\u{1F438}]/u.exec("\uD83D\uDBFF"),
["\uD83D"]);
assertEqArray(/[\u{42}-\u{1F438}]/u.exec("\uD83D\uDC00"),
["\uD83D\uDC00"]);
assertEqArray(/[\u{42}-\u{1F438}]/u.exec("\uD83D\uDC38"),
["\uD83D\uDC38"]);
assertEq(/[\u{42}-\u{1F438}]/u.exec("\uD83D\uDC39"),
null);
assertEq(/[\u{42}-\u{1F438}]/u.exec("\uD83D\uDFFF"),
null);
assertEqArray(/[\u{42}-\u{1F438}]/u.exec("\uD83D\uE000"),
["\uD83D"]);
assertEq(/[\u{42}-\u{1F438}]/u.exec("A"),
null);
// ==== wrong patterns ====
assertThrowsInstanceOf(() => eval(`/[\\u{-1}]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u{0.0}]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u{G}]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u{}]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u{{]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u{]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u{110000}]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u{00110000}]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u{100000000000000000000000000000}]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u{FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF}]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u{ FFFF}]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u{FFFF }]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u{FF FF}]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u{F F F F}]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u{100000001}]/u`), SyntaxError);
if (typeof reportCompare === "function")
reportCompare(true, true);

Просмотреть файл

@ -0,0 +1,25 @@
var BUGNUMBER = 1135377;
var summary = "Implement RegExp unicode flag -- empty class should not match anything.";
print(BUGNUMBER + ": " + summary);
assertEq(/[]/u.exec("A"),
null);
assertEq(/[]/u.exec("\uD83D"),
null);
assertEq(/[]/u.exec("\uDC38"),
null);
assertEq(/[]/u.exec("\uD83D\uDC38"),
null);
assertEqArray(/[^]/u.exec("A"),
["A"]);
assertEqArray(/[^]/u.exec("\uD83D"),
["\uD83D"]);
assertEqArray(/[^]/u.exec("\uDC38"),
["\uDC38"]);
assertEqArray(/[^]/u.exec("\uD83D\uDC38"),
["\uD83D\uDC38"]);
if (typeof reportCompare === "function")
reportCompare(true, true);

Просмотреть файл

@ -0,0 +1,142 @@
var BUGNUMBER = 1135377;
var summary = "Implement RegExp unicode flag -- lead and trail pattern in RegExpUnicodeEscapeSequence in CharacterClass.";
print(BUGNUMBER + ": " + summary);
// ==== standalone ====
assertEqArray(/[\uD83D\uDC38]/u.exec("\uD83D\uDC38"),
["\uD83D\uDC38"]);
assertEq(/[\uD83D\uDC38]/u.exec("\uD83D"),
null);
assertEq(/[\uD83D\uDC38]/u.exec("\uDC38"),
null);
// no unicode flag
assertEqArray(/[\uD83D\uDC38]/.exec("\uD83D\uDC38"),
["\uD83D"]);
assertEqArray(/[\uD83D\uDC38]/.exec("\uD83D"),
["\uD83D"]);
assertEqArray(/[\uD83D\uDC38]/.exec("\uDC38"),
["\uDC38"]);
// RegExp constructor
assertEqArray(new RegExp("[\uD83D\uDC38]", "u").exec("\uD83D\uDC38"),
["\uD83D\uDC38"]);
assertEq(new RegExp("[\uD83D\uDC38]", "u").exec("\uD83D"),
null);
assertEq(new RegExp("[\uD83D\uDC38]", "u").exec("\uDC38"),
null);
// RegExp constructor, no unicode flag
assertEqArray(new RegExp("[\uD83D\uDC38]", "").exec("\uD83D\uDC38"),
["\uD83D"]);
assertEqArray(new RegExp("[\uD83D\uDC38]", "").exec("\uD83D"),
["\uD83D"]);
assertEqArray(new RegExp("[\uD83D\uDC38]", "").exec("\uDC38"),
["\uDC38"]);
// ==== lead-only ====
// match only non-surrogate pair
assertEqArray(/[\uD83D]/u.exec("\uD83D\uDBFF"),
["\uD83D"]);
assertEq(/[\uD83D]/u.exec("\uD83D\uDC00"),
null);
assertEq(/[\uD83D]/u.exec("\uD83D\uDFFF"),
null);
assertEqArray(/[\uD83D]/u.exec("\uD83D\uE000"),
["\uD83D"]);
// match before non-tail char
assertEqArray(/[\uD83D]/u.exec("\uD83D"),
["\uD83D"]);
assertEqArray(/[\uD83D]/u.exec("\uD83DA"),
["\uD83D"]);
// no unicode flag
assertEqArray(/[\uD83D]/.exec("\uD83D\uDBFF"),
["\uD83D"]);
assertEqArray(/[\uD83D]/.exec("\uD83D\uDC00"),
["\uD83D"]);
assertEqArray(/[\uD83D]/.exec("\uD83D\uDFFF"),
["\uD83D"]);
assertEqArray(/[\uD83D]/.exec("\uD83D\uE000"),
["\uD83D"]);
assertEqArray(/[\uD83D]/.exec("\uD83D"),
["\uD83D"]);
assertEqArray(/[\uD83D]/.exec("\uD83DA"),
["\uD83D"]);
// ==== trail-only ====
// match only non-surrogate pair
assertEqArray(/[\uDC38]/u.exec("\uD7FF\uDC38"),
["\uDC38"]);
assertEq(/[\uDC38]/u.exec("\uD800\uDC38"),
null);
assertEq(/[\uDC38]/u.exec("\uDBFF\uDC38"),
null);
assertEqArray(/[\uDC38]/u.exec("\uDC00\uDC38"),
["\uDC38"]);
// match after non-lead char
assertEqArray(/[\uDC38]/u.exec("\uDC38"),
["\uDC38"]);
assertEqArray(/[\uDC38]/u.exec("A\uDC38"),
["\uDC38"]);
// no unicode flag
assertEqArray(/[\uDC38]/.exec("\uD7FF\uDC38"),
["\uDC38"]);
assertEqArray(/[\uDC38]/.exec("\uD800\uDC38"),
["\uDC38"]);
assertEqArray(/[\uDC38]/.exec("\uDBFF\uDC38"),
["\uDC38"]);
assertEqArray(/[\uDC38]/.exec("\uDC00\uDC38"),
["\uDC38"]);
assertEqArray(/[\uDC38]/.exec("\uDC38"),
["\uDC38"]);
assertEqArray(/[\uDC38]/.exec("A\uDC38"),
["\uDC38"]);
// ==== invalid trail ====
assertEqArray(/[\uD83D\u3042]*/u.exec("\uD83D"),
["\uD83D"]);
assertEqArray(/[\uD83D\u3042]*/u.exec("\uD83D\u3042"),
["\uD83D\u3042"]);
assertEqArray(/[\uD83D\u3042]*/u.exec("\uD83D\u3042\u3042\uD83D"),
["\uD83D\u3042\u3042\uD83D"]);
assertEqArray(/[\uD83D\u{3042}]*/u.exec("\uD83D"),
["\uD83D"]);
assertEqArray(/[\uD83D\u{3042}]*/u.exec("\uD83D\u3042"),
["\uD83D\u3042"]);
assertEqArray(/[\uD83D\u{3042}]*/u.exec("\uD83D\u3042\u3042\uD83D"),
["\uD83D\u3042\u3042\uD83D"]);
assertEqArray(/[\uD83DA]*/u.exec("\uD83D"),
["\uD83D"]);
assertEqArray(/[\uD83DA]*/u.exec("\uD83DA"),
["\uD83DA"]);
assertEqArray(/[\uD83DA]*/u.exec("\uD83DAA\uD83D"),
["\uD83DAA\uD83D"]);
// ==== wrong patterns ====
assertThrowsInstanceOf(() => eval(`/[\\u]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u0]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u00]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u000]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u000G]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\u0.00]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\uD83D\\u]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\uD83D\\u0]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\uD83D\\u00]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\uD83D\\u000]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\uD83D\\u000G]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\uD83D\\u0.00]/u`), SyntaxError);
if (typeof reportCompare === "function")
reportCompare(true, true);

Просмотреть файл

@ -0,0 +1,64 @@
var BUGNUMBER = 1135377;
var summary = "Implement RegExp unicode flag -- negated CharacterClass.";
print(BUGNUMBER + ": " + summary);
// ==== BMP ====
assertEqArray(/[^A]/u.exec("ABC"),
["B"]);
assertEqArray(/[^A]/u.exec("A\u{1F438}C"),
["\u{1F438}"]);
assertEqArray(/[^A]/u.exec("A\uD83DC"),
["\uD83D"]);
assertEqArray(/[^A]/u.exec("A\uDC38C"),
["\uDC38"]);
assertEqArray(/[^\uE000]/u.exec("\uE000\uE001"),
["\uE001"]);
assertEqArray(/[^\uE000]/u.exec("\uE000\u{1F438}"),
["\u{1F438}"]);
assertEqArray(/[^\uE000]/u.exec("\uE000\uD83D"),
["\uD83D"]);
assertEqArray(/[^\uE000]/u.exec("\uE000\uDC38"),
["\uDC38"]);
// ==== non-BMP ====
assertEqArray(/[^\u{1F438}]/u.exec("\u{1F438}A"),
["A"]);
assertEqArray(/[^\u{1F438}]/u.exec("\u{1F438}\u{1F439}"),
["\u{1F439}"]);
assertEqArray(/[^\u{1F438}]/u.exec("\u{1F438}\uD83D"),
["\uD83D"]);
assertEqArray(/[^\u{1F438}]/u.exec("\u{1F438}\uDC38"),
["\uDC38"]);
// ==== lead-only ====
assertEqArray(/[^\uD83D]/u.exec("\u{1F438}A"),
["\u{1F438}"]);
assertEqArray(/[^\uD83D]/u.exec("\uD83D\uDBFF"),
["\uDBFF"]);
assertEqArray(/[^\uD83D]/u.exec("\uD83D\uDC00"),
["\uD83D\uDC00"]);
assertEqArray(/[^\uD83D]/u.exec("\uD83D\uDFFF"),
["\uD83D\uDFFF"]);
assertEqArray(/[^\uD83D]/u.exec("\uD83D\uE000"),
["\uE000"]);
// ==== trail-only ====
assertEqArray(/[^\uDC38]/u.exec("\u{1F438}A"),
["\u{1F438}"]);
assertEqArray(/[^\uDC38]/u.exec("\uD7FF\uDC38"),
["\uD7FF"]);
assertEqArray(/[^\uDC38]/u.exec("\uD800\uDC38"),
["\uD800\uDC38"]);
assertEqArray(/[^\uDC38]/u.exec("\uDBFF\uDC38"),
["\uDBFF\uDC38"]);
assertEqArray(/[^\uDC38]/u.exec("\uDC00\uDC38"),
["\uDC00"]);
if (typeof reportCompare === "function")
reportCompare(true, true);

Просмотреть файл

@ -0,0 +1,28 @@
var BUGNUMBER = 1135377;
var summary = "Implement RegExp unicode flag -- disallow range with CharacterClassEscape.";
print(BUGNUMBER + ": " + summary);
assertThrowsInstanceOf(() => eval(`/[\\w-\\uFFFF]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\W-\\uFFFF]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\d-\\uFFFF]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\D-\\uFFFF]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\s-\\uFFFF]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\S-\\uFFFF]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\uFFFF-\\w]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\uFFFF-\\W]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\uFFFF-\\d]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\uFFFF-\\D]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\uFFFF-\\s]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\uFFFF-\\S]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\w-\\w]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\W-\\W]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\d-\\d]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\D-\\D]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\s-\\s]/u`), SyntaxError);
assertThrowsInstanceOf(() => eval(`/[\\S-\\S]/u`), SyntaxError);
if (typeof reportCompare === "function")
reportCompare(true, true);

Просмотреть файл

@ -0,0 +1,65 @@
var BUGNUMBER = 1135377;
var summary = "Implement RegExp unicode flag -- raw unicode.";
print(BUGNUMBER + ": " + summary);
// ==== standalone ====
assertEqArray(eval(`/[\uD83D\uDC38]/u`).exec("\u{1F438}"),
["\u{1F438}"]);
// no unicode flag
assertEqArray(eval(`/[\uD83D\uDC38]/`).exec("\u{1F438}"),
["\uD83D"]);
// escaped (lead)
assertEq(eval(`/[\\uD83D\uDC38]/u`).exec("\u{1F438}"),
null);
assertEq(eval(`/[\\u{D83D}\uDC38]/u`).exec("\u{1F438}"),
null);
// escaped (trail)
assertEq(eval(`/[\uD83D\\uDC38]/u`).exec("\u{1F438}"),
null);
assertEq(eval(`/[\uD83D\\u{DC38}]/u`).exec("\u{1F438}"),
null);
// escaped (lead), no unicode flag
assertEqArray(eval(`/[\\uD83D\uDC38]/`).exec("\u{1F438}"),
["\uD83D"]);
// escaped (trail), no unicode flag
assertEqArray(eval(`/[\uD83D\\uDC38]/`).exec("\u{1F438}"),
["\uD83D"]);
// ==== RegExp constructor ====
assertEqArray(new RegExp("[\uD83D\uDC38]", "u").exec("\u{1F438}"),
["\u{1F438}"]);
// no unicode flag
assertEqArray(new RegExp("[\uD83D\uDC38]", "").exec("\u{1F438}"),
["\uD83D"]);
// escaped(lead)
assertEq(new RegExp("[\\uD83D\uDC38]", "u").exec("\u{1F438}"),
null);
assertEq(new RegExp("[\\u{D83D}\uDC38]", "u").exec("\u{1F438}"),
null);
// escaped(trail)
assertEq(new RegExp("[\uD83D\\uDC38]", "u").exec("\u{1F438}"),
null);
assertEq(new RegExp("[\uD83D\\u{DC38}]", "u").exec("\u{1F438}"),
null);
// escaped(lead), no unicode flag
assertEqArray(new RegExp("[\\uD83D\uDC38]", "").exec("\u{1F438}"),
["\uD83D"]);
// escaped(trail), no unicode flag
assertEqArray(new RegExp("[\uD83D\\uDC38]", "").exec("\u{1F438}"),
["\uD83D"]);
if (typeof reportCompare === "function")
reportCompare(true, true);

Просмотреть файл

@ -29,11 +29,11 @@ namespace js {
*
* https://developer.mozilla.org/en-US/docs/SpiderMonkey/Internals/Bytecode
*/
static const uint32_t XDR_BYTECODE_VERSION_SUBTRAHEND = 335;
static const uint32_t XDR_BYTECODE_VERSION_SUBTRAHEND = 336;
static const uint32_t XDR_BYTECODE_VERSION =
uint32_t(0xb973c0de - XDR_BYTECODE_VERSION_SUBTRAHEND);
static_assert(JSErr_Limit == 424,
static_assert(JSErr_Limit == 425,
"GREETINGS, POTENTIAL SUBTRAHEND INCREMENTER! If you added or "
"removed MSG_DEFs from js.msg, you should increment "
"XDR_BYTECODE_VERSION_SUBTRAHEND and update this assertion's "