Correctly tokenize valid JS names when using Unicode mathematical alphanumeric symbols as variable name

Issue https://github.com/MoonchildProductions/Pale-Moon/issues/1647
This commit is contained in:
janekptacijarabaci 2018-03-18 14:55:49 +01:00 • committed by Roy Tam
commit 04e171e0a4
7 changed files with 1159 additions and 37 deletions

View file

@ -118,13 +118,57 @@ IsIdentifier(const CharT* chars, size_t length)
return true;
}
static uint32_t
GetSingleCodePoint(const char16_t** p, const char16_t* end)
{
uint32_t codePoint;
if (MOZ_UNLIKELY(unicode::IsLeadSurrogate(**p)) && *p + 1 < end) {
char16_t lead = **p;
char16_t maybeTrail = *(*p + 1);
if (unicode::IsTrailSurrogate(maybeTrail)) {
*p += 2;
return unicode::UTF16Decode(lead, maybeTrail);
}
}
codePoint = **p;
(*p)++;
return codePoint;
}
static bool
IsIdentifierMaybeNonBMP(const char16_t* chars, size_t length)
{
if (IsIdentifier(chars, length))
return true;
if (length == 0)
return false;
const char16_t* p = chars;
const char16_t* end = chars + length;
uint32_t codePoint;
codePoint = GetSingleCodePoint(&p, end);
if (!unicode::IsIdentifierStart(codePoint))
return false;
while (p < end) {
codePoint = GetSingleCodePoint(&p, end);
if (!unicode::IsIdentifierPart(codePoint))
return false;
}
return true;
}
bool
frontend::IsIdentifier(JSLinearString* str)
{
JS::AutoCheckCannotGC nogc;
return str->hasLatin1Chars()
? ::IsIdentifier(str->latin1Chars(nogc), str->length())
: ::IsIdentifier(str->twoByteChars(nogc), str->length());
: ::IsIdentifierMaybeNonBMP(str->twoByteChars(nogc), str->length());
}
bool
@ -992,6 +1036,21 @@ IsTokenSane(Token* tp)
}
#endif
bool
TokenStream::matchTrailForLeadSurrogate(char16_t lead, char16_t* trail, uint32_t* codePoint)
{
int32_t maybeTrail = getCharIgnoreEOL();
if (!unicode::IsTrailSurrogate(maybeTrail)) {
ungetCharIgnoreEOL(maybeTrail);
return false;
}
if (trail)
*trail = maybeTrail;
*codePoint = unicode::UTF16Decode(lead, maybeTrail);
return true;
}
bool
TokenStream::putIdentInTokenbuf(const char16_t* identStart)
{
@ -1003,11 +1062,39 @@ TokenStream::putIdentInTokenbuf(const char16_t* identStart)
tokenbuf.clear();
for (;;) {
c = getCharIgnoreEOL();
if (MOZ_UNLIKELY(unicode::IsLeadSurrogate(c))) {
char16_t trail;
uint32_t codePoint;
if (matchTrailForLeadSurrogate(c, &trail, &codePoint)) {
if (!unicode::IsIdentifierPart(codePoint))
break;
if (!tokenbuf.append(c) || !tokenbuf.append(trail)) {
userbuf.setAddressOfNextRawChar(tmp);
return false;
}
continue;
}
}
if (!unicode::IsIdentifierPart(char16_t(c))) {
if (c != '\\' || !matchUnicodeEscapeIdent(&qc))
break;
if (MOZ_UNLIKELY(unicode::IsSupplementary(qc))) {
char16_t lead, trail;
unicode::UTF16Encode(qc, &lead, &trail);
if (!tokenbuf.append(lead) || !tokenbuf.append(trail)) {
userbuf.setAddressOfNextRawChar(tmp);
return false;
}
continue;
}
c = qc;
}
if (!tokenbuf.append(c)) {
userbuf.setAddressOfNextRawChar(tmp);
return false;
@ -1168,12 +1255,23 @@ TokenStream::getTokenInternal(TokenKind* ttp, Modifier modifier)
static_assert('_' < 128,
"IdentifierStart contains '_', but as !IsUnicodeIDStart('_'), "
"ensure that '_' is never handled here");
if (unicode::IsUnicodeIDStart(c)) {
if (unicode::IsUnicodeIDStart(char16_t(c))) {
identStart = userbuf.addressOfNextRawChar() - 1;
hadUnicodeEscape = false;
goto identifier;
}
if (MOZ_UNLIKELY(unicode::IsLeadSurrogate(c))) {
uint32_t codePoint;
if (matchTrailForLeadSurrogate(c, nullptr, &codePoint) &&
unicode::IsUnicodeIDStart(codePoint))
{
identStart = userbuf.addressOfNextRawChar() - 2;
hadUnicodeEscape = false;
goto identifier;
}
}
goto badchar;
}
@ -1224,6 +1322,17 @@ TokenStream::getTokenInternal(TokenKind* ttp, Modifier modifier)
c = getCharIgnoreEOL();
if (c == EOF)
break;
if (MOZ_UNLIKELY(unicode::IsLeadSurrogate(c))) {
uint32_t codePoint;
if (matchTrailForLeadSurrogate(c, nullptr, &codePoint)) {
if (!unicode::IsIdentifierPart(codePoint))
break;
continue;
}
}
if (!unicode::IsIdentifierPart(char16_t(c))) {
if (c != '\\' || !matchUnicodeEscapeIdent(&qc))
break;
@ -1318,9 +1427,21 @@ TokenStream::getTokenInternal(TokenKind* ttp, Modifier modifier)
}
ungetCharIgnoreEOL(c);
if (c != EOF && unicode::IsIdentifierStart(char16_t(c))) {
reportError(JSMSG_IDSTART_AFTER_NUMBER);
goto error;
if (c != EOF) {
if (unicode::IsIdentifierStart(char16_t(c))) {
reportError(JSMSG_IDSTART_AFTER_NUMBER);
goto error;
}
if (MOZ_UNLIKELY(unicode::IsLeadSurrogate(c))) {
uint32_t codePoint;
if (matchTrailForLeadSurrogate(c, nullptr, &codePoint) &&
unicode::IsIdentifierStart(codePoint))
{
reportError(JSMSG_IDSTART_AFTER_NUMBER);
goto error;
}
}
}
// Unlike identifiers and strings, numbers cannot contain escaped
@ -1425,9 +1546,21 @@ TokenStream::getTokenInternal(TokenKind* ttp, Modifier modifier)
}
ungetCharIgnoreEOL(c);
if (c != EOF && unicode::IsIdentifierStart(char16_t(c))) {
reportError(JSMSG_IDSTART_AFTER_NUMBER);
goto error;
if (c != EOF) {
if (unicode::IsIdentifierStart(char16_t(c))) {
reportError(JSMSG_IDSTART_AFTER_NUMBER);
goto error;
}
if (MOZ_UNLIKELY(unicode::IsLeadSurrogate(c))) {
uint32_t codePoint;
if (matchTrailForLeadSurrogate(c, nullptr, &codePoint) &&
unicode::IsIdentifierStart(codePoint))
{
reportError(JSMSG_IDSTART_AFTER_NUMBER);
goto error;
}
}
}
double dval;

View file

@ -952,6 +952,7 @@ class MOZ_STACK_CLASS TokenStream
uint32_t peekExtendedUnicodeEscape(uint32_t* codePoint);
uint32_t matchUnicodeEscapeIdStart(uint32_t* codePoint);
bool matchUnicodeEscapeIdent(uint32_t* codePoint);
bool matchTrailForLeadSurrogate(char16_t lead, char16_t* trail, uint32_t* codePoint);
bool peekChars(int n, char16_t* cp);
MOZ_MUST_USE bool getDirectives(bool isMultiline, bool shouldWarnDeprecated);

View file

@ -98,7 +98,7 @@ const otherIdContinue = [
0x19DA, // NEW TAI LUE THAM DIGIT ONE, Gc=No
];
for (let ident of [...idStart, ...otherIdStart]) {
for (let ident of [...idStart, ...otherIdStart, ...idStartSupplemental]) {
for (let count of leadingZeros) {
let zeros = "0".repeat(count);
eval(`
@ -108,20 +108,13 @@ for (let ident of [...idStart, ...otherIdStart]) {
}
}
// Move this to the loop above when Bug 1197230 is fixed.
for (let ident of [...idStartSupplemental]) {
for (let zeros of leadingZeros) {
assertThrowsInstanceOf(() => eval(`\\u{${zeros}${ident.toString(16)}}`), SyntaxError);
}
}
for (let ident of [...idContinue, ...idContinueSupplemental, ...otherIdContinue]) {
for (let zeros of leadingZeros) {
assertThrowsInstanceOf(() => eval(`\\u{${zeros}${ident.toString(16)}}`), SyntaxError);
}
}
for (let ident of [...idStart, ...otherIdStart, ...idContinue, ...otherIdContinue]) {
for (let ident of [...idStart, ...otherIdStart, ...idContinue, ...otherIdContinue, ...idStartSupplemental, ...idContinueSupplemental]) {
for (let zeros of leadingZeros) {
eval(`
let A\\u{${zeros}${ident.toString(16)}} = 123;
@ -130,13 +123,6 @@ for (let ident of [...idStart, ...otherIdStart, ...idContinue, ...otherIdContinu
}
}
// Move this to the loop above when Bug 1197230 is fixed.
for (let ident of [...idStartSupplemental, ...idContinueSupplemental]) {
for (let zeros of leadingZeros) {
assertThrowsInstanceOf(() => eval(`\\u{${zeros}${ident.toString(16)}}`), SyntaxError);
}
}
const notIdentifiers = [
0x0000, // NULL, Gc=Cc

View file

@ -1748,3 +1748,882 @@ const uint8_t unicode::folding_index2[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
bool
js::unicode::IsIdentifierStartNonBMP(uint32_t codePoint)
{
if (codePoint >= 0x10000 && codePoint <= 0x1000b)
return true;
if (codePoint >= 0x1000d && codePoint <= 0x10026)
return true;
if (codePoint >= 0x10028 && codePoint <= 0x1003a)
return true;
if (codePoint >= 0x1003c && codePoint <= 0x1003d)
return true;
if (codePoint >= 0x1003f && codePoint <= 0x1004d)
return true;
if (codePoint >= 0x10050 && codePoint <= 0x1005d)
return true;
if (codePoint >= 0x10080 && codePoint <= 0x100fa)
return true;
if (codePoint >= 0x10140 && codePoint <= 0x10174)
return true;
if (codePoint >= 0x10280 && codePoint <= 0x1029c)
return true;
if (codePoint >= 0x102a0 && codePoint <= 0x102d0)
return true;
if (codePoint >= 0x10300 && codePoint <= 0x1031f)
return true;
if (codePoint >= 0x10330 && codePoint <= 0x1034a)
return true;
if (codePoint >= 0x10350 && codePoint <= 0x10375)
return true;
if (codePoint >= 0x10380 && codePoint <= 0x1039d)
return true;
if (codePoint >= 0x103a0 && codePoint <= 0x103c3)
return true;
if (codePoint >= 0x103c8 && codePoint <= 0x103cf)
return true;
if (codePoint >= 0x103d1 && codePoint <= 0x103d5)
return true;
if (codePoint >= 0x10400 && codePoint <= 0x1049d)
return true;
if (codePoint >= 0x104b0 && codePoint <= 0x104d3)
return true;
if (codePoint >= 0x104d8 && codePoint <= 0x104fb)
return true;
if (codePoint >= 0x10500 && codePoint <= 0x10527)
return true;
if (codePoint >= 0x10530 && codePoint <= 0x10563)
return true;
if (codePoint >= 0x10600 && codePoint <= 0x10736)
return true;
if (codePoint >= 0x10740 && codePoint <= 0x10755)
return true;
if (codePoint >= 0x10760 && codePoint <= 0x10767)
return true;
if (codePoint >= 0x10800 && codePoint <= 0x10805)
return true;
if (codePoint >= 0x10808 && codePoint <= 0x10808)
return true;
if (codePoint >= 0x1080a && codePoint <= 0x10835)
return true;
if (codePoint >= 0x10837 && codePoint <= 0x10838)
return true;
if (codePoint >= 0x1083c && codePoint <= 0x1083c)
return true;
if (codePoint >= 0x1083f && codePoint <= 0x10855)
return true;
if (codePoint >= 0x10860 && codePoint <= 0x10876)
return true;
if (codePoint >= 0x10880 && codePoint <= 0x1089e)
return true;
if (codePoint >= 0x108e0 && codePoint <= 0x108f2)
return true;
if (codePoint >= 0x108f4 && codePoint <= 0x108f5)
return true;
if (codePoint >= 0x10900 && codePoint <= 0x10915)
return true;
if (codePoint >= 0x10920 && codePoint <= 0x10939)
return true;
if (codePoint >= 0x10980 && codePoint <= 0x109b7)
return true;
if (codePoint >= 0x109be && codePoint <= 0x109bf)
return true;
if (codePoint >= 0x10a00 && codePoint <= 0x10a00)
return true;
if (codePoint >= 0x10a10 && codePoint <= 0x10a13)
return true;
if (codePoint >= 0x10a15 && codePoint <= 0x10a17)
return true;
if (codePoint >= 0x10a19 && codePoint <= 0x10a33)
return true;
if (codePoint >= 0x10a60 && codePoint <= 0x10a7c)
return true;
if (codePoint >= 0x10a80 && codePoint <= 0x10a9c)
return true;
if (codePoint >= 0x10ac0 && codePoint <= 0x10ac7)
return true;
if (codePoint >= 0x10ac9 && codePoint <= 0x10ae4)
return true;
if (codePoint >= 0x10b00 && codePoint <= 0x10b35)
return true;
if (codePoint >= 0x10b40 && codePoint <= 0x10b55)
return true;
if (codePoint >= 0x10b60 && codePoint <= 0x10b72)
return true;
if (codePoint >= 0x10b80 && codePoint <= 0x10b91)
return true;
if (codePoint >= 0x10c00 && codePoint <= 0x10c48)
return true;
if (codePoint >= 0x10c80 && codePoint <= 0x10cb2)
return true;
if (codePoint >= 0x10cc0 && codePoint <= 0x10cf2)
return true;
if (codePoint >= 0x11003 && codePoint <= 0x11037)
return true;
if (codePoint >= 0x11083 && codePoint <= 0x110af)
return true;
if (codePoint >= 0x110d0 && codePoint <= 0x110e8)
return true;
if (codePoint >= 0x11103 && codePoint <= 0x11126)
return true;
if (codePoint >= 0x11150 && codePoint <= 0x11172)
return true;
if (codePoint >= 0x11176 && codePoint <= 0x11176)
return true;
if (codePoint >= 0x11183 && codePoint <= 0x111b2)
return true;
if (codePoint >= 0x111c1 && codePoint <= 0x111c4)
return true;
if (codePoint >= 0x111da && codePoint <= 0x111da)
return true;
if (codePoint >= 0x111dc && codePoint <= 0x111dc)
return true;
if (codePoint >= 0x11200 && codePoint <= 0x11211)
return true;
if (codePoint >= 0x11213 && codePoint <= 0x1122b)
return true;
if (codePoint >= 0x11280 && codePoint <= 0x11286)
return true;
if (codePoint >= 0x11288 && codePoint <= 0x11288)
return true;
if (codePoint >= 0x1128a && codePoint <= 0x1128d)
return true;
if (codePoint >= 0x1128f && codePoint <= 0x1129d)
return true;
if (codePoint >= 0x1129f && codePoint <= 0x112a8)
return true;
if (codePoint >= 0x112b0 && codePoint <= 0x112de)
return true;
if (codePoint >= 0x11305 && codePoint <= 0x1130c)
return true;
if (codePoint >= 0x1130f && codePoint <= 0x11310)
return true;
if (codePoint >= 0x11313 && codePoint <= 0x11328)
return true;
if (codePoint >= 0x1132a && codePoint <= 0x11330)
return true;
if (codePoint >= 0x11332 && codePoint <= 0x11333)
return true;
if (codePoint >= 0x11335 && codePoint <= 0x11339)
return true;
if (codePoint >= 0x1133d && codePoint <= 0x1133d)
return true;
if (codePoint >= 0x11350 && codePoint <= 0x11350)
return true;
if (codePoint >= 0x1135d && codePoint <= 0x11361)
return true;
if (codePoint >= 0x11400 && codePoint <= 0x11434)
return true;
if (codePoint >= 0x11447 && codePoint <= 0x1144a)
return true;
if (codePoint >= 0x11480 && codePoint <= 0x114af)
return true;
if (codePoint >= 0x114c4 && codePoint <= 0x114c5)
return true;
if (codePoint >= 0x114c7 && codePoint <= 0x114c7)
return true;
if (codePoint >= 0x11580 && codePoint <= 0x115ae)
return true;
if (codePoint >= 0x115d8 && codePoint <= 0x115db)
return true;
if (codePoint >= 0x11600 && codePoint <= 0x1162f)
return true;
if (codePoint >= 0x11644 && codePoint <= 0x11644)
return true;
if (codePoint >= 0x11680 && codePoint <= 0x116aa)
return true;
if (codePoint >= 0x11700 && codePoint <= 0x11719)
return true;
if (codePoint >= 0x118a0 && codePoint <= 0x118df)
return true;
if (codePoint >= 0x118ff && codePoint <= 0x118ff)
return true;
if (codePoint >= 0x11ac0 && codePoint <= 0x11af8)
return true;
if (codePoint >= 0x11c00 && codePoint <= 0x11c08)
return true;
if (codePoint >= 0x11c0a && codePoint <= 0x11c2e)
return true;
if (codePoint >= 0x11c40 && codePoint <= 0x11c40)
return true;
if (codePoint >= 0x11c72 && codePoint <= 0x11c8f)
return true;
if (codePoint >= 0x12000 && codePoint <= 0x12399)
return true;
if (codePoint >= 0x12400 && codePoint <= 0x1246e)
return true;
if (codePoint >= 0x12480 && codePoint <= 0x12543)
return true;
if (codePoint >= 0x13000 && codePoint <= 0x1342e)
return true;
if (codePoint >= 0x14400 && codePoint <= 0x14646)
return true;
if (codePoint >= 0x16800 && codePoint <= 0x16a38)
return true;
if (codePoint >= 0x16a40 && codePoint <= 0x16a5e)
return true;
if (codePoint >= 0x16ad0 && codePoint <= 0x16aed)
return true;
if (codePoint >= 0x16b00 && codePoint <= 0x16b2f)
return true;
if (codePoint >= 0x16b40 && codePoint <= 0x16b43)
return true;
if (codePoint >= 0x16b63 && codePoint <= 0x16b77)
return true;
if (codePoint >= 0x16b7d && codePoint <= 0x16b8f)
return true;
if (codePoint >= 0x16f00 && codePoint <= 0x16f44)
return true;
if (codePoint >= 0x16f50 && codePoint <= 0x16f50)
return true;
if (codePoint >= 0x16f93 && codePoint <= 0x16f9f)
return true;
if (codePoint >= 0x16fe0 && codePoint <= 0x16fe0)
return true;
if (codePoint >= 0x17000 && codePoint <= 0x187ec)
return true;
if (codePoint >= 0x18800 && codePoint <= 0x18af2)
return true;
if (codePoint >= 0x1b000 && codePoint <= 0x1b001)
return true;
if (codePoint >= 0x1bc00 && codePoint <= 0x1bc6a)
return true;
if (codePoint >= 0x1bc70 && codePoint <= 0x1bc7c)
return true;
if (codePoint >= 0x1bc80 && codePoint <= 0x1bc88)
return true;
if (codePoint >= 0x1bc90 && codePoint <= 0x1bc99)
return true;
if (codePoint >= 0x1d400 && codePoint <= 0x1d454)
return true;
if (codePoint >= 0x1d456 && codePoint <= 0x1d49c)
return true;
if (codePoint >= 0x1d49e && codePoint <= 0x1d49f)
return true;
if (codePoint >= 0x1d4a2 && codePoint <= 0x1d4a2)
return true;
if (codePoint >= 0x1d4a5 && codePoint <= 0x1d4a6)
return true;
if (codePoint >= 0x1d4a9 && codePoint <= 0x1d4ac)
return true;
if (codePoint >= 0x1d4ae && codePoint <= 0x1d4b9)
return true;
if (codePoint >= 0x1d4bb && codePoint <= 0x1d4bb)
return true;
if (codePoint >= 0x1d4bd && codePoint <= 0x1d4c3)
return true;
if (codePoint >= 0x1d4c5 && codePoint <= 0x1d505)
return true;
if (codePoint >= 0x1d507 && codePoint <= 0x1d50a)
return true;
if (codePoint >= 0x1d50d && codePoint <= 0x1d514)
return true;
if (codePoint >= 0x1d516 && codePoint <= 0x1d51c)
return true;
if (codePoint >= 0x1d51e && codePoint <= 0x1d539)
return true;
if (codePoint >= 0x1d53b && codePoint <= 0x1d53e)
return true;
if (codePoint >= 0x1d540 && codePoint <= 0x1d544)
return true;
if (codePoint >= 0x1d546 && codePoint <= 0x1d546)
return true;
if (codePoint >= 0x1d54a && codePoint <= 0x1d550)
return true;
if (codePoint >= 0x1d552 && codePoint <= 0x1d6a5)
return true;
if (codePoint >= 0x1d6a8 && codePoint <= 0x1d6c0)
return true;
if (codePoint >= 0x1d6c2 && codePoint <= 0x1d6da)
return true;
if (codePoint >= 0x1d6dc && codePoint <= 0x1d6fa)
return true;
if (codePoint >= 0x1d6fc && codePoint <= 0x1d714)
return true;
if (codePoint >= 0x1d716 && codePoint <= 0x1d734)
return true;
if (codePoint >= 0x1d736 && codePoint <= 0x1d74e)
return true;
if (codePoint >= 0x1d750 && codePoint <= 0x1d76e)
return true;
if (codePoint >= 0x1d770 && codePoint <= 0x1d788)
return true;
if (codePoint >= 0x1d78a && codePoint <= 0x1d7a8)
return true;
if (codePoint >= 0x1d7aa && codePoint <= 0x1d7c2)
return true;
if (codePoint >= 0x1d7c4 && codePoint <= 0x1d7cb)
return true;
if (codePoint >= 0x1e800 && codePoint <= 0x1e8c4)
return true;
if (codePoint >= 0x1e900 && codePoint <= 0x1e943)
return true;
if (codePoint >= 0x1ee00 && codePoint <= 0x1ee03)
return true;
if (codePoint >= 0x1ee05 && codePoint <= 0x1ee1f)
return true;
if (codePoint >= 0x1ee21 && codePoint <= 0x1ee22)
return true;
if (codePoint >= 0x1ee24 && codePoint <= 0x1ee24)
return true;
if (codePoint >= 0x1ee27 && codePoint <= 0x1ee27)
return true;
if (codePoint >= 0x1ee29 && codePoint <= 0x1ee32)
return true;
if (codePoint >= 0x1ee34 && codePoint <= 0x1ee37)
return true;
if (codePoint >= 0x1ee39 && codePoint <= 0x1ee39)
return true;
if (codePoint >= 0x1ee3b && codePoint <= 0x1ee3b)
return true;
if (codePoint >= 0x1ee42 && codePoint <= 0x1ee42)
return true;
if (codePoint >= 0x1ee47 && codePoint <= 0x1ee47)
return true;
if (codePoint >= 0x1ee49 && codePoint <= 0x1ee49)
return true;
if (codePoint >= 0x1ee4b && codePoint <= 0x1ee4b)
return true;
if (codePoint >= 0x1ee4d && codePoint <= 0x1ee4f)
return true;
if (codePoint >= 0x1ee51 && codePoint <= 0x1ee52)
return true;
if (codePoint >= 0x1ee54 && codePoint <= 0x1ee54)
return true;
if (codePoint >= 0x1ee57 && codePoint <= 0x1ee57)
return true;
if (codePoint >= 0x1ee59 && codePoint <= 0x1ee59)
return true;
if (codePoint >= 0x1ee5b && codePoint <= 0x1ee5b)
return true;
if (codePoint >= 0x1ee5d && codePoint <= 0x1ee5d)
return true;
if (codePoint >= 0x1ee5f && codePoint <= 0x1ee5f)
return true;
if (codePoint >= 0x1ee61 && codePoint <= 0x1ee62)
return true;
if (codePoint >= 0x1ee64 && codePoint <= 0x1ee64)
return true;
if (codePoint >= 0x1ee67 && codePoint <= 0x1ee6a)
return true;
if (codePoint >= 0x1ee6c && codePoint <= 0x1ee72)
return true;
if (codePoint >= 0x1ee74 && codePoint <= 0x1ee77)
return true;
if (codePoint >= 0x1ee79 && codePoint <= 0x1ee7c)
return true;
if (codePoint >= 0x1ee7e && codePoint <= 0x1ee7e)
return true;
if (codePoint >= 0x1ee80 && codePoint <= 0x1ee89)
return true;
if (codePoint >= 0x1ee8b && codePoint <= 0x1ee9b)
return true;
if (codePoint >= 0x1eea1 && codePoint <= 0x1eea3)
return true;
if (codePoint >= 0x1eea5 && codePoint <= 0x1eea9)
return true;
if (codePoint >= 0x1eeab && codePoint <= 0x1eebb)
return true;
if (codePoint >= 0x20000 && codePoint <= 0x2a6d6)
return true;
if (codePoint >= 0x2a700 && codePoint <= 0x2b734)
return true;
if (codePoint >= 0x2b740 && codePoint <= 0x2b81d)
return true;
if (codePoint >= 0x2b820 && codePoint <= 0x2cea1)
return true;
if (codePoint >= 0x2f800 && codePoint <= 0x2fa1d)
return true;
return false;
}
bool
js::unicode::IsIdentifierPartNonBMP(uint32_t codePoint)
{
if (codePoint >= 0x10000 && codePoint <= 0x1000b)
return true;
if (codePoint >= 0x1000d && codePoint <= 0x10026)
return true;
if (codePoint >= 0x10028 && codePoint <= 0x1003a)
return true;
if (codePoint >= 0x1003c && codePoint <= 0x1003d)
return true;
if (codePoint >= 0x1003f && codePoint <= 0x1004d)
return true;
if (codePoint >= 0x10050 && codePoint <= 0x1005d)
return true;
if (codePoint >= 0x10080 && codePoint <= 0x100fa)
return true;
if (codePoint >= 0x10140 && codePoint <= 0x10174)
return true;
if (codePoint >= 0x101fd && codePoint <= 0x101fd)
return true;
if (codePoint >= 0x10280 && codePoint <= 0x1029c)
return true;
if (codePoint >= 0x102a0 && codePoint <= 0x102d0)
return true;
if (codePoint >= 0x102e0 && codePoint <= 0x102e0)
return true;
if (codePoint >= 0x10300 && codePoint <= 0x1031f)
return true;
if (codePoint >= 0x10330 && codePoint <= 0x1034a)
return true;
if (codePoint >= 0x10350 && codePoint <= 0x1037a)
return true;
if (codePoint >= 0x10380 && codePoint <= 0x1039d)
return true;
if (codePoint >= 0x103a0 && codePoint <= 0x103c3)
return true;
if (codePoint >= 0x103c8 && codePoint <= 0x103cf)
return true;
if (codePoint >= 0x103d1 && codePoint <= 0x103d5)
return true;
if (codePoint >= 0x10400 && codePoint <= 0x1049d)
return true;
if (codePoint >= 0x104a0 && codePoint <= 0x104a9)
return true;
if (codePoint >= 0x104b0 && codePoint <= 0x104d3)
return true;
if (codePoint >= 0x104d8 && codePoint <= 0x104fb)
return true;
if (codePoint >= 0x10500 && codePoint <= 0x10527)
return true;
if (codePoint >= 0x10530 && codePoint <= 0x10563)
return true;
if (codePoint >= 0x10600 && codePoint <= 0x10736)
return true;
if (codePoint >= 0x10740 && codePoint <= 0x10755)
return true;
if (codePoint >= 0x10760 && codePoint <= 0x10767)
return true;
if (codePoint >= 0x10800 && codePoint <= 0x10805)
return true;
if (codePoint >= 0x10808 && codePoint <= 0x10808)
return true;
if (codePoint >= 0x1080a && codePoint <= 0x10835)
return true;
if (codePoint >= 0x10837 && codePoint <= 0x10838)
return true;
if (codePoint >= 0x1083c && codePoint <= 0x1083c)
return true;
if (codePoint >= 0x1083f && codePoint <= 0x10855)
return true;
if (codePoint >= 0x10860 && codePoint <= 0x10876)
return true;
if (codePoint >= 0x10880 && codePoint <= 0x1089e)
return true;
if (codePoint >= 0x108e0 && codePoint <= 0x108f2)
return true;
if (codePoint >= 0x108f4 && codePoint <= 0x108f5)
return true;
if (codePoint >= 0x10900 && codePoint <= 0x10915)
return true;
if (codePoint >= 0x10920 && codePoint <= 0x10939)
return true;
if (codePoint >= 0x10980 && codePoint <= 0x109b7)
return true;
if (codePoint >= 0x109be && codePoint <= 0x109bf)
return true;
if (codePoint >= 0x10a00 && codePoint <= 0x10a03)
return true;
if (codePoint >= 0x10a05 && codePoint <= 0x10a06)
return true;
if (codePoint >= 0x10a0c && codePoint <= 0x10a13)
return true;
if (codePoint >= 0x10a15 && codePoint <= 0x10a17)
return true;
if (codePoint >= 0x10a19 && codePoint <= 0x10a33)
return true;
if (codePoint >= 0x10a38 && codePoint <= 0x10a3a)
return true;
if (codePoint >= 0x10a3f && codePoint <= 0x10a3f)
return true;
if (codePoint >= 0x10a60 && codePoint <= 0x10a7c)
return true;
if (codePoint >= 0x10a80 && codePoint <= 0x10a9c)
return true;
if (codePoint >= 0x10ac0 && codePoint <= 0x10ac7)
return true;
if (codePoint >= 0x10ac9 && codePoint <= 0x10ae6)
return true;
if (codePoint >= 0x10b00 && codePoint <= 0x10b35)
return true;
if (codePoint >= 0x10b40 && codePoint <= 0x10b55)
return true;
if (codePoint >= 0x10b60 && codePoint <= 0x10b72)
return true;
if (codePoint >= 0x10b80 && codePoint <= 0x10b91)
return true;
if (codePoint >= 0x10c00 && codePoint <= 0x10c48)
return true;
if (codePoint >= 0x10c80 && codePoint <= 0x10cb2)
return true;
if (codePoint >= 0x10cc0 && codePoint <= 0x10cf2)
return true;
if (codePoint >= 0x11000 && codePoint <= 0x11046)
return true;
if (codePoint >= 0x11066 && codePoint <= 0x1106f)
return true;
if (codePoint >= 0x1107f && codePoint <= 0x110ba)
return true;
if (codePoint >= 0x110d0 && codePoint <= 0x110e8)
return true;
if (codePoint >= 0x110f0 && codePoint <= 0x110f9)
return true;
if (codePoint >= 0x11100 && codePoint <= 0x11134)
return true;
if (codePoint >= 0x11136 && codePoint <= 0x1113f)
return true;
if (codePoint >= 0x11150 && codePoint <= 0x11173)
return true;
if (codePoint >= 0x11176 && codePoint <= 0x11176)
return true;
if (codePoint >= 0x11180 && codePoint <= 0x111c4)
return true;
if (codePoint >= 0x111ca && codePoint <= 0x111cc)
return true;
if (codePoint >= 0x111d0 && codePoint <= 0x111da)
return true;
if (codePoint >= 0x111dc && codePoint <= 0x111dc)
return true;
if (codePoint >= 0x11200 && codePoint <= 0x11211)
return true;
if (codePoint >= 0x11213 && codePoint <= 0x11237)
return true;
if (codePoint >= 0x1123e && codePoint <= 0x1123e)
return true;
if (codePoint >= 0x11280 && codePoint <= 0x11286)
return true;
if (codePoint >= 0x11288 && codePoint <= 0x11288)
return true;
if (codePoint >= 0x1128a && codePoint <= 0x1128d)
return true;
if (codePoint >= 0x1128f && codePoint <= 0x1129d)
return true;
if (codePoint >= 0x1129f && codePoint <= 0x112a8)
return true;
if (codePoint >= 0x112b0 && codePoint <= 0x112ea)
return true;
if (codePoint >= 0x112f0 && codePoint <= 0x112f9)
return true;
if (codePoint >= 0x11300 && codePoint <= 0x11303)
return true;
if (codePoint >= 0x11305 && codePoint <= 0x1130c)
return true;
if (codePoint >= 0x1130f && codePoint <= 0x11310)
return true;
if (codePoint >= 0x11313 && codePoint <= 0x11328)
return true;
if (codePoint >= 0x1132a && codePoint <= 0x11330)
return true;
if (codePoint >= 0x11332 && codePoint <= 0x11333)
return true;
if (codePoint >= 0x11335 && codePoint <= 0x11339)
return true;
if (codePoint >= 0x1133c && codePoint <= 0x11344)
return true;
if (codePoint >= 0x11347 && codePoint <= 0x11348)
return true;
if (codePoint >= 0x1134b && codePoint <= 0x1134d)
return true;
if (codePoint >= 0x11350 && codePoint <= 0x11350)
return true;
if (codePoint >= 0x11357 && codePoint <= 0x11357)
return true;
if (codePoint >= 0x1135d && codePoint <= 0x11363)
return true;
if (codePoint >= 0x11366 && codePoint <= 0x1136c)
return true;
if (codePoint >= 0x11370 && codePoint <= 0x11374)
return true;
if (codePoint >= 0x11400 && codePoint <= 0x1144a)
return true;
if (codePoint >= 0x11450 && codePoint <= 0x11459)
return true;
if (codePoint >= 0x11480 && codePoint <= 0x114c5)
return true;
if (codePoint >= 0x114c7 && codePoint <= 0x114c7)
return true;
if (codePoint >= 0x114d0 && codePoint <= 0x114d9)
return true;
if (codePoint >= 0x11580 && codePoint <= 0x115b5)
return true;
if (codePoint >= 0x115b8 && codePoint <= 0x115c0)
return true;
if (codePoint >= 0x115d8 && codePoint <= 0x115dd)
return true;
if (codePoint >= 0x11600 && codePoint <= 0x11640)
return true;
if (codePoint >= 0x11644 && codePoint <= 0x11644)
return true;
if (codePoint >= 0x11650 && codePoint <= 0x11659)
return true;
if (codePoint >= 0x11680 && codePoint <= 0x116b7)
return true;
if (codePoint >= 0x116c0 && codePoint <= 0x116c9)
return true;
if (codePoint >= 0x11700 && codePoint <= 0x11719)
return true;
if (codePoint >= 0x1171d && codePoint <= 0x1172b)
return true;
if (codePoint >= 0x11730 && codePoint <= 0x11739)
return true;
if (codePoint >= 0x118a0 && codePoint <= 0x118e9)
return true;
if (codePoint >= 0x118ff && codePoint <= 0x118ff)
return true;
if (codePoint >= 0x11ac0 && codePoint <= 0x11af8)
return true;
if (codePoint >= 0x11c00 && codePoint <= 0x11c08)
return true;
if (codePoint >= 0x11c0a && codePoint <= 0x11c36)
return true;
if (codePoint >= 0x11c38 && codePoint <= 0x11c40)
return true;
if (codePoint >= 0x11c50 && codePoint <= 0x11c59)
return true;
if (codePoint >= 0x11c72 && codePoint <= 0x11c8f)
return true;
if (codePoint >= 0x11c92 && codePoint <= 0x11ca7)
return true;
if (codePoint >= 0x11ca9 && codePoint <= 0x11cb6)
return true;
if (codePoint >= 0x12000 && codePoint <= 0x12399)
return true;
if (codePoint >= 0x12400 && codePoint <= 0x1246e)
return true;
if (codePoint >= 0x12480 && codePoint <= 0x12543)
return true;
if (codePoint >= 0x13000 && codePoint <= 0x1342e)
return true;
if (codePoint >= 0x14400 && codePoint <= 0x14646)
return true;
if (codePoint >= 0x16800 && codePoint <= 0x16a38)
return true;
if (codePoint >= 0x16a40 && codePoint <= 0x16a5e)
return true;
if (codePoint >= 0x16a60 && codePoint <= 0x16a69)
return true;
if (codePoint >= 0x16ad0 && codePoint <= 0x16aed)
return true;
if (codePoint >= 0x16af0 && codePoint <= 0x16af4)
return true;
if (codePoint >= 0x16b00 && codePoint <= 0x16b36)
return true;
if (codePoint >= 0x16b40 && codePoint <= 0x16b43)
return true;
if (codePoint >= 0x16b50 && codePoint <= 0x16b59)
return true;
if (codePoint >= 0x16b63 && codePoint <= 0x16b77)
return true;
if (codePoint >= 0x16b7d && codePoint <= 0x16b8f)
return true;
if (codePoint >= 0x16f00 && codePoint <= 0x16f44)
return true;
if (codePoint >= 0x16f50 && codePoint <= 0x16f7e)
return true;
if (codePoint >= 0x16f8f && codePoint <= 0x16f9f)
return true;
if (codePoint >= 0x16fe0 && codePoint <= 0x16fe0)
return true;
if (codePoint >= 0x17000 && codePoint <= 0x187ec)
return true;
if (codePoint >= 0x18800 && codePoint <= 0x18af2)
return true;
if (codePoint >= 0x1b000 && codePoint <= 0x1b001)
return true;
if (codePoint >= 0x1bc00 && codePoint <= 0x1bc6a)
return true;
if (codePoint >= 0x1bc70 && codePoint <= 0x1bc7c)
return true;
if (codePoint >= 0x1bc80 && codePoint <= 0x1bc88)
return true;
if (codePoint >= 0x1bc90 && codePoint <= 0x1bc99)
return true;
if (codePoint >= 0x1bc9d && codePoint <= 0x1bc9e)
return true;
if (codePoint >= 0x1d165 && codePoint <= 0x1d169)
return true;
if (codePoint >= 0x1d16d && codePoint <= 0x1d172)
return true;
if (codePoint >= 0x1d17b && codePoint <= 0x1d182)
return true;
if (codePoint >= 0x1d185 && codePoint <= 0x1d18b)
return true;
if (codePoint >= 0x1d1aa && codePoint <= 0x1d1ad)
return true;
if (codePoint >= 0x1d242 && codePoint <= 0x1d244)
return true;
if (codePoint >= 0x1d400 && codePoint <= 0x1d454)
return true;
if (codePoint >= 0x1d456 && codePoint <= 0x1d49c)
return true;
if (codePoint >= 0x1d49e && codePoint <= 0x1d49f)
return true;
if (codePoint >= 0x1d4a2 && codePoint <= 0x1d4a2)
return true;
if (codePoint >= 0x1d4a5 && codePoint <= 0x1d4a6)
return true;
if (codePoint >= 0x1d4a9 && codePoint <= 0x1d4ac)
return true;
if (codePoint >= 0x1d4ae && codePoint <= 0x1d4b9)
return true;
if (codePoint >= 0x1d4bb && codePoint <= 0x1d4bb)
return true;
if (codePoint >= 0x1d4bd && codePoint <= 0x1d4c3)
return true;
if (codePoint >= 0x1d4c5 && codePoint <= 0x1d505)
return true;
if (codePoint >= 0x1d507 && codePoint <= 0x1d50a)
return true;
if (codePoint >= 0x1d50d && codePoint <= 0x1d514)
return true;
if (codePoint >= 0x1d516 && codePoint <= 0x1d51c)
return true;
if (codePoint >= 0x1d51e && codePoint <= 0x1d539)
return true;
if (codePoint >= 0x1d53b && codePoint <= 0x1d53e)
return true;
if (codePoint >= 0x1d540 && codePoint <= 0x1d544)
return true;
if (codePoint >= 0x1d546 && codePoint <= 0x1d546)
return true;
if (codePoint >= 0x1d54a && codePoint <= 0x1d550)
return true;
if (codePoint >= 0x1d552 && codePoint <= 0x1d6a5)
return true;
if (codePoint >= 0x1d6a8 && codePoint <= 0x1d6c0)
return true;
if (codePoint >= 0x1d6c2 && codePoint <= 0x1d6da)
return true;
if (codePoint >= 0x1d6dc && codePoint <= 0x1d6fa)
return true;
if (codePoint >= 0x1d6fc && codePoint <= 0x1d714)
return true;
if (codePoint >= 0x1d716 && codePoint <= 0x1d734)
return true;
if (codePoint >= 0x1d736 && codePoint <= 0x1d74e)
return true;
if (codePoint >= 0x1d750 && codePoint <= 0x1d76e)
return true;
if (codePoint >= 0x1d770 && codePoint <= 0x1d788)
return true;
if (codePoint >= 0x1d78a && codePoint <= 0x1d7a8)
return true;
if (codePoint >= 0x1d7aa && codePoint <= 0x1d7c2)
return true;
if (codePoint >= 0x1d7c4 && codePoint <= 0x1d7cb)
return true;
if (codePoint >= 0x1d7ce && codePoint <= 0x1d7ff)
return true;
if (codePoint >= 0x1da00 && codePoint <= 0x1da36)
return true;
if (codePoint >= 0x1da3b && codePoint <= 0x1da6c)
return true;
if (codePoint >= 0x1da75 && codePoint <= 0x1da75)
return true;
if (codePoint >= 0x1da84 && codePoint <= 0x1da84)
return true;
if (codePoint >= 0x1da9b && codePoint <= 0x1da9f)
return true;
if (codePoint >= 0x1daa1 && codePoint <= 0x1daaf)
return true;
if (codePoint >= 0x1e000 && codePoint <= 0x1e006)
return true;
if (codePoint >= 0x1e008 && codePoint <= 0x1e018)
return true;
if (codePoint >= 0x1e01b && codePoint <= 0x1e021)
return true;
if (codePoint >= 0x1e023 && codePoint <= 0x1e024)
return true;
if (codePoint >= 0x1e026 && codePoint <= 0x1e02a)
return true;
if (codePoint >= 0x1e800 && codePoint <= 0x1e8c4)
return true;
if (codePoint >= 0x1e8d0 && codePoint <= 0x1e8d6)
return true;
if (codePoint >= 0x1e900 && codePoint <= 0x1e94a)
return true;
if (codePoint >= 0x1e950 && codePoint <= 0x1e959)
return true;
if (codePoint >= 0x1ee00 && codePoint <= 0x1ee03)
return true;
if (codePoint >= 0x1ee05 && codePoint <= 0x1ee1f)
return true;
if (codePoint >= 0x1ee21 && codePoint <= 0x1ee22)
return true;
if (codePoint >= 0x1ee24 && codePoint <= 0x1ee24)
return true;
if (codePoint >= 0x1ee27 && codePoint <= 0x1ee27)
return true;
if (codePoint >= 0x1ee29 && codePoint <= 0x1ee32)
return true;
if (codePoint >= 0x1ee34 && codePoint <= 0x1ee37)
return true;
if (codePoint >= 0x1ee39 && codePoint <= 0x1ee39)
return true;
if (codePoint >= 0x1ee3b && codePoint <= 0x1ee3b)
return true;
if (codePoint >= 0x1ee42 && codePoint <= 0x1ee42)
return true;
if (codePoint >= 0x1ee47 && codePoint <= 0x1ee47)
return true;
if (codePoint >= 0x1ee49 && codePoint <= 0x1ee49)
return true;
if (codePoint >= 0x1ee4b && codePoint <= 0x1ee4b)
return true;
if (codePoint >= 0x1ee4d && codePoint <= 0x1ee4f)
return true;
if (codePoint >= 0x1ee51 && codePoint <= 0x1ee52)
return true;
if (codePoint >= 0x1ee54 && codePoint <= 0x1ee54)
return true;
if (codePoint >= 0x1ee57 && codePoint <= 0x1ee57)
return true;
if (codePoint >= 0x1ee59 && codePoint <= 0x1ee59)
return true;
if (codePoint >= 0x1ee5b && codePoint <= 0x1ee5b)
return true;
if (codePoint >= 0x1ee5d && codePoint <= 0x1ee5d)
return true;
if (codePoint >= 0x1ee5f && codePoint <= 0x1ee5f)
return true;
if (codePoint >= 0x1ee61 && codePoint <= 0x1ee62)
return true;
if (codePoint >= 0x1ee64 && codePoint <= 0x1ee64)
return true;
if (codePoint >= 0x1ee67 && codePoint <= 0x1ee6a)
return true;
if (codePoint >= 0x1ee6c && codePoint <= 0x1ee72)
return true;
if (codePoint >= 0x1ee74 && codePoint <= 0x1ee77)
return true;
if (codePoint >= 0x1ee79 && codePoint <= 0x1ee7c)
return true;
if (codePoint >= 0x1ee7e && codePoint <= 0x1ee7e)
return true;
if (codePoint >= 0x1ee80 && codePoint <= 0x1ee89)
return true;
if (codePoint >= 0x1ee8b && codePoint <= 0x1ee9b)
return true;
if (codePoint >= 0x1eea1 && codePoint <= 0x1eea3)
return true;
if (codePoint >= 0x1eea5 && codePoint <= 0x1eea9)
return true;
if (codePoint >= 0x1eeab && codePoint <= 0x1eebb)
return true;
if (codePoint >= 0x20000 && codePoint <= 0x2a6d6)
return true;
if (codePoint >= 0x2a700 && codePoint <= 0x2b734)
return true;
if (codePoint >= 0x2b740 && codePoint <= 0x2b81d)
return true;
if (codePoint >= 0x2b820 && codePoint <= 0x2cea1)
return true;
if (codePoint >= 0x2f800 && codePoint <= 0x2fa1d)
return true;
if (codePoint >= 0xe0100 && codePoint <= 0xe01ef)
return true;
return false;
}

View file

@ -143,11 +143,15 @@ IsIdentifierStart(char16_t ch)
return CharInfo(ch).isUnicodeIDStart();
}
bool
IsIdentifierStartNonBMP(uint32_t codePoint);
inline bool
IsIdentifierStart(uint32_t codePoint)
{
// TODO: Supplemental code points not yet supported (bug 1197230).
return codePoint <= UTF16Max && IsIdentifierStart(char16_t(codePoint));
if (MOZ_UNLIKELY(codePoint > UTF16Max))
return IsIdentifierStartNonBMP(codePoint);
return IsIdentifierStart(char16_t(codePoint));
}
inline bool
@ -170,11 +174,16 @@ IsIdentifierPart(char16_t ch)
return CharInfo(ch).isUnicodeIDContinue();
}
bool
IsIdentifierPartNonBMP(uint32_t codePoint);
inline bool
IsIdentifierPart(uint32_t codePoint)
{
// TODO: Supplemental code points not yet supported (bug 1197230).
return codePoint <= UTF16Max && IsIdentifierPart(char16_t(codePoint));
if (MOZ_UNLIKELY(codePoint > UTF16Max))
return IsIdentifierPartNonBMP(codePoint);
return IsIdentifierPart(char16_t(codePoint));
}
inline bool
@ -183,6 +192,17 @@ IsUnicodeIDStart(char16_t ch)
return CharInfo(ch).isUnicodeIDStart();
}
bool
IsUnicodeIDStartNonBMP(uint32_t codePoint);
inline bool
IsUnicodeIDStart(uint32_t codePoint)
{
if (MOZ_UNLIKELY(codePoint > UTF16Max))
return IsIdentifierStartNonBMP(codePoint);
return IsUnicodeIDStart(char16_t(codePoint));
}
inline bool
IsSpace(char16_t ch)
{

View file

@ -10,6 +10,16 @@
#ifndef vm_UnicodeNonBMP_h
#define vm_UnicodeNonBMP_h
// |macro| receives the following arguments
// macro(FROM, TO, LEAD, TRAIL_FROM, TRAIL_TO, DIFF)
// FROM: code point where the range starts
// TO: code point where the range ends
// LEAD: common lead surrogate of FROM and TO
// TRAIL_FROM: trail surrogate of FROM
// TRAIL_FROM: trail surrogate of TO
// DIFF: the difference between the code point in the range and
// converted code point
#define FOR_EACH_NON_BMP_LOWERCASE(macro) \
macro(0x10400, 0x10427, 0xd801, 0xdc00, 0xdc27, 40) \
macro(0x104b0, 0x104d3, 0xd801, 0xdcb0, 0xdcd3, 40) \

View file

@ -155,37 +155,65 @@ def utf16_encode(code):
return lead, trail
def make_non_bmp_convert_macro(out_file, name, convert_map):
# Find continuous range in convert_map.
convert_list = []
entry = None
for code in sorted(convert_map.keys()):
lead, trail = utf16_encode(code)
converted = convert_map[code]
diff = converted - code
if entry and code == entry['code'] + entry['length'] and diff == entry['diff']:
if (entry and code == entry['code'] + entry['length'] and
diff == entry['diff'] and lead == entry['lead']):
entry['length'] += 1
continue
entry = { 'code': code, 'diff': diff, 'length': 1 }
entry = {
'code': code,
'diff': diff,
'length': 1,
'lead': lead,
'trail': trail,
}
convert_list.append(entry)
# Generate macro call for each range.
lines = []
for entry in convert_list:
from_code = entry['code']
to_code = entry['code'] + entry['length'] - 1
diff = entry['diff']
from_lead, from_trail = utf16_encode(from_code)
to_lead, to_trail = utf16_encode(to_code)
assert from_lead == to_lead
lead = entry['lead']
from_trail = entry['trail']
to_trail = entry['trail'] + entry['length'] - 1
lines.append(' macro(0x{:x}, 0x{:x}, 0x{:x}, 0x{:x}, 0x{:x}, {:d})'.format(
from_code, to_code, from_lead, from_trail, to_trail, diff))
from_code, to_code, lead, from_trail, to_trail, diff))
out_file.write('#define FOR_EACH_NON_BMP_{}(macro) \\\n'.format(name))
out_file.write(' \\\n'.join(lines))
out_file.write('\n')
def for_each_non_bmp_group(group_set):
# Find continuous range in group_set.
group_list = []
entry = None
for code in sorted(group_set.keys()):
if entry and code == entry['code'] + entry['length']:
entry['length'] += 1
continue
entry = {
'code': code,
'length': 1
}
group_list.append(entry)
for entry in group_list:
yield (entry['code'], entry['code'] + entry['length'] - 1)
def process_derived_core_properties(derived_core_properties):
id_start = set()
id_continue = set()
@ -214,6 +242,9 @@ def process_unicode_data(unicode_data, derived_core_properties):
non_bmp_lower_map = {}
non_bmp_upper_map = {}
non_bmp_id_start_set = {}
non_bmp_id_cont_set = {}
non_bmp_space_set = {}
(id_start, id_continue) = process_derived_core_properties(derived_core_properties)
@ -246,6 +277,13 @@ def process_unicode_data(unicode_data, derived_core_properties):
non_bmp_lower_map[code] = lower
if code != upper:
non_bmp_upper_map[code] = upper
if category == 'Zs':
non_bmp_space_set[code] = 1
test_space_table.append(code)
if code in id_start:
non_bmp_id_start_set[code] = 1
if code in id_continue:
non_bmp_id_cont_set[code] = 1
continue
# we combine whitespace and lineterminators because in pratice we don't need them separated
@ -315,6 +353,8 @@ def process_unicode_data(unicode_data, derived_core_properties):
table, index,
same_upper_table, same_upper_index,
non_bmp_lower_map, non_bmp_upper_map,
non_bmp_space_set,
non_bmp_id_start_set, non_bmp_id_cont_set,
test_table, test_space_table,
)
@ -412,6 +452,16 @@ def make_non_bmp_file(version,
#ifndef vm_UnicodeNonBMP_h
#define vm_UnicodeNonBMP_h
// |macro| receives the following arguments
// macro(FROM, TO, LEAD, TRAIL_FROM, TRAIL_TO, DIFF)
// FROM: code point where the range starts
// TO: code point where the range ends
// LEAD: common lead surrogate of FROM and TO
// TRAIL_FROM: trail surrogate of FROM
// TRAIL_FROM: trail surrogate of TO
// DIFF: the difference between the code point in the range and
// converted code point
""")
make_non_bmp_convert_macro(non_bmp_file, 'LOWERCASE', non_bmp_lower_map)
@ -525,7 +575,9 @@ if (typeof reportCompare === "function")
def make_unicode_file(version,
table, index,
same_upper_table, same_upper_index,
folding_table, folding_index):
folding_table, folding_index,
non_bmp_space_set,
non_bmp_id_start_set, non_bmp_id_cont_set):
index1, index2, shift = splitbins(index)
# Don't forget to update CharInfo in Unicode.h if you need to change this
@ -682,6 +734,43 @@ def make_unicode_file(version,
dump(folding_index2, 'folding_index2', data_file)
data_file.write('\n')
# If the following assert fails, it means space character is added to
# non-BMP area. In that case the following code should be uncommented
# and the corresponding code should be added to frontend.
assert len(non_bmp_space_set.keys()) == 0
data_file.write("""\
bool
js::unicode::IsIdentifierStartNonBMP(uint32_t codePoint)
{
""")
for (from_code, to_code) in for_each_non_bmp_group(non_bmp_id_start_set):
data_file.write("""\
if (codePoint >= 0x{:x} && codePoint <= 0x{:x})
return true;
""".format(from_code, to_code))
data_file.write("""\
return false;
}
bool
js::unicode::IsIdentifierPartNonBMP(uint32_t codePoint)
{
""")
for (from_code, to_code) in for_each_non_bmp_group(non_bmp_id_cont_set):
data_file.write("""\
if (codePoint >= 0x{:x} && codePoint <= 0x{:x})
return true;
""".format(from_code, to_code))
data_file.write("""\
return false;
}
""")
def getsize(data):
""" return smallest possible integer size for the given array """
maxdata = max(data)
@ -1000,6 +1089,8 @@ def update_unicode(args):
table, index,
same_upper_table, same_upper_index,
non_bmp_lower_map, non_bmp_upper_map,
non_bmp_space_set,
non_bmp_id_start_set, non_bmp_id_cont_set,
test_table, test_space_table
) = process_unicode_data(unicode_data, derived_core_properties)
(
@ -1012,7 +1103,9 @@ def update_unicode(args):
make_unicode_file(unicode_version,
table, index,
same_upper_table, same_upper_index,
folding_table, folding_index)
folding_table, folding_index,
non_bmp_space_set,
non_bmp_id_start_set, non_bmp_id_cont_set)
make_non_bmp_file(unicode_version,
non_bmp_lower_map, non_bmp_upper_map,
non_bmp_folding_map, non_bmp_rev_folding_map)