RegExpCharacterClass* cc = elm.data.u_char_class;
ZoneList<CharacterRange>* ranges = cc->ranges();
int range_count = ranges->length();
- for (int i = 0; i < range_count; i++) {
- ranges->at(i).AddCaseEquivalents(ranges);
+ for (int j = 0; j < range_count; j++) {
+ ranges->at(j).AddCaseEquivalents(ranges);
}
}
}
} else {
start = pos;
}
- // Then we add the ranges on at a time, incrementing the current
+ // Then we add the ranges one at a time, incrementing the current
// position to be after the last block each time. The position
// always points to the start of a block.
while (pos < to()) {
}
start = pos = block_end + 1;
}
- } else {
- // TODO(plesner) when we've fixed the 2^11 bug in unibrow.
+ } else if (from() > 0 || to() < String::kMaxUC16CharCode) {
+ // Unibrow ranges don't work for high characters due to the "2^11 bug".
+ // Therefore we do something dumber for these ranges. We don't bother
+ // if the range is 0-max (as encountered at the start of an unanchored
+ // regexp).
+ ZoneList<unibrow::uchar> *characters = new ZoneList<unibrow::uchar>(100);
+ int bottom = from();
+ int top = to();
+ for (int i = bottom; i <= top; i++) {
+ int length = uncanonicalize.get(i, '\0', chars);
+ for (int j = 0; j < length; j++) {
+ uc32 chr = chars[j];
+ if (chr != i && chr < bottom || chr > top) {
+ characters->Add(chr);
+ }
+ }
+ }
+ if (characters->length() > 0) {
+ int new_from = characters->at(0);
+ int new_to = new_from;
+ for (int i = 1; i < characters->length(); i++) {
+ int chr = characters->at(i);
+ if (chr == new_to + 1) {
+ new_to++;
+ } else {
+ if (new_to == new_from) {
+ ranges->Add(CharacterRange::Singleton(new_from));
+ } else {
+ ranges->Add(CharacterRange(new_from, new_to));
+ }
+ new_from = new_to = chr;
+ }
+ }
+ if (new_to == new_from) {
+ ranges->Add(CharacterRange::Singleton(new_from));
+ } else {
+ ranges->Add(CharacterRange(new_from, new_to));
+ }
+ }
}
}
--- /dev/null
+// Copyright 2009 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test Unicode character ranges in regexps.
+
+
+// Cyrillic.
+var cyrillic = {
+ FIRST: "\u0410", // A
+ first: "\u0430", // a
+ LAST: "\u042f", // YA
+ last: "\u044f", // ya
+ MIDDLE: "\u0427", // CHE
+ middle: "\u0447", // che
+ // Actually no characters are between the cases in Cyrillic.
+ BetweenCases: false};
+
+var SIGMA = "\u03a3";
+var sigma = "\u03c3";
+var alternative_sigma = "\u03c2";
+
+// Greek.
+var greek = {
+ FIRST: "\u0391", // ALPHA
+ first: "\u03b1", // alpha
+ LAST: "\u03a9", // OMEGA
+ last: "\u03c9", // omega
+ MIDDLE: SIGMA, // SIGMA
+ middle: sigma, // sigma
+ // Epsilon acute is between ALPHA-OMEGA and alpha-omega, ie it
+ // is between OMEGA and alpha.
+ BetweenCases: "\u03ad"};
+
+
+function Range(from, to, flags) {
+ return new RegExp("[" + from + "-" + to + "]", flags);
+}
+
+for (var lang = 0; lang < 2; lang++) {
+ var chars = (lang == 0) ? cyrillic : greek;
+
+ for (var i = 0; i < 2; i++) {
+ var lc = (i == 0); // Lower case.
+ var first = lc ? chars.first : chars.FIRST;
+ var middle = lc ? chars.middle : chars.MIDDLE;
+ var last = lc ? chars.last : chars.LAST;
+ var first_other_case = lc ? chars.FIRST : chars.first;
+ var middle_other_case = lc ? chars.MIDDLE : chars.middle;
+ var last_other_case = lc ? chars.LAST : chars.last;
+
+ assertTrue(Range(first, last).test(first), 1);
+ assertTrue(Range(first, last).test(middle), 2);
+ assertTrue(Range(first, last).test(last), 3);
+
+ assertFalse(Range(first, last).test(first_other_case), 4);
+ assertFalse(Range(first, last).test(middle_other_case), 5);
+ assertFalse(Range(first, last).test(last_other_case), 6);
+
+ assertTrue(Range(first, last, "i").test(first), 7);
+ assertTrue(Range(first, last, "i").test(middle), 8);
+ assertTrue(Range(first, last, "i").test(last), 9);
+
+ assertTrue(Range(first, last, "i").test(first_other_case), 10);
+ assertTrue(Range(first, last, "i").test(middle_other_case), 11);
+ assertTrue(Range(first, last, "i").test(last_other_case), 12);
+
+ if (chars.BetweenCases) {
+ assertFalse(Range(first, last).test(chars.BetweenCases), 13);
+ assertFalse(Range(first, last, "i").test(chars.BetweenCases), 14);
+ }
+ }
+ if (chars.BetweenCases) {
+ assertTrue(Range(chars.FIRST, chars.last).test(chars.BetweenCases), 15);
+ assertTrue(Range(chars.FIRST, chars.last, "i").test(chars.BetweenCases), 16);
+ }
+}
+
+for (key in greek) {
+ assertTrue(Range(greek.FIRST, cyrillic.last).test(greek[key]), 17 + key);
+ if (cyrillic[key]) {
+ assertTrue(Range(greek.FIRST, cyrillic.last).test(cyrillic[key]), 18 + key);
+ }
+}
+
+
+for (var i = 0; i < 2; i++) {
+ var ignore_case = (i == 0);
+ var flag = ignore_case ? "i" : "";
+ assertTrue(Range(greek.first, cyrillic.LAST, flag).test(greek.first), 19);
+ assertTrue(Range(greek.first, cyrillic.LAST, flag).test(greek.middle), 20);
+ assertTrue(Range(greek.first, cyrillic.LAST, flag).test(greek.last), 21);
+
+ assertTrue(Range(greek.first, cyrillic.LAST, flag).test(cyrillic.FIRST), 22);
+ assertTrue(Range(greek.first, cyrillic.LAST, flag).test(cyrillic.MIDDLE), 23);
+ assertTrue(Range(greek.first, cyrillic.LAST, flag).test(cyrillic.LAST), 24);
+
+ assertEquals(ignore_case, Range(greek.first, cyrillic.LAST, flag).test(greek.FIRST), 25);
+ assertEquals(ignore_case, Range(greek.first, cyrillic.LAST, flag).test(greek.MIDDLE), 26);
+ assertEquals(ignore_case, Range(greek.first, cyrillic.LAST, flag).test(greek.LAST), 27);
+
+ assertEquals(ignore_case, Range(greek.first, cyrillic.LAST, flag).test(cyrillic.first), 28);
+ assertEquals(ignore_case, Range(greek.first, cyrillic.LAST, flag).test(cyrillic.middle), 29);
+ assertEquals(ignore_case, Range(greek.first, cyrillic.LAST, flag).test(cyrillic.last), 30);
+}
+
+
+for (var i = 0; i < 2; i++) {
+ var simple = (i != 0);
+ var name = simple ? "" : "[]";
+ var regex = simple ? SIGMA : "[" + SIGMA + "]";
+
+ assertFalse(new RegExp(regex).test(sigma), 31 + name);
+ assertFalse(new RegExp(regex).test(alternative_sigma), 32 + name);
+ assertTrue(new RegExp(regex).test(SIGMA), 33 + name);
+
+ assertTrue(new RegExp(regex, "i").test(sigma), 34 + name);
+ // JSC and Tracemonkey fail this one.
+ assertTrue(new RegExp(regex, "i").test(alternative_sigma), 35 + name);
+ assertTrue(new RegExp(regex, "i").test(SIGMA), 36 + name);
+
+ regex = simple ? sigma : "[" + sigma + "]";
+
+ assertTrue(new RegExp(regex).test(sigma), 41 + name);
+ assertFalse(new RegExp(regex).test(alternative_sigma), 42 + name);
+ assertFalse(new RegExp(regex).test(SIGMA), 43 + name);
+
+ assertTrue(new RegExp(regex, "i").test(sigma), 44 + name);
+ // JSC and Tracemonkey fail this one.
+ assertTrue(new RegExp(regex, "i").test(alternative_sigma), 45 + name);
+ assertTrue(new RegExp(regex, "i").test(SIGMA), 46 + name);
+
+ regex = simple ? alternative_sigma : "[" + alternative_sigma + "]";
+
+ assertFalse(new RegExp(regex).test(sigma), 51 + name);
+ assertTrue(new RegExp(regex).test(alternative_sigma), 52 + name);
+ assertFalse(new RegExp(regex).test(SIGMA), 53 + name);
+
+ // JSC and Tracemonkey fail this one.
+ assertTrue(new RegExp(regex, "i").test(sigma), 54 + name);
+ assertTrue(new RegExp(regex, "i").test(alternative_sigma), 55 + name);
+ // JSC and Tracemonkey fail this one.
+ assertTrue(new RegExp(regex, "i").test(SIGMA), 56 + name);
+}
+
+print("ok");
--- /dev/null
+// Copyright 2009 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+var st = "\u0422\u0435\u0441\u0442"; // Test in Cyrillic characters.
+var cyrillicMatch = /^[\u0430-\u044fa-z]+$/i.test(st); // a-ja a-z.
+assertTrue(cyrillicMatch);