diff options
Diffstat (limited to 'deps/v8')
-rw-r--r-- | deps/v8/src/regexp/regexp-ast.h | 2 | ||||
-rw-r--r-- | deps/v8/src/regexp/regexp-parser.cc | 25 | ||||
-rw-r--r-- | deps/v8/test/mjsunit/harmony/regexp-named-captures.js | 9 |
3 files changed, 33 insertions, 3 deletions
diff --git a/deps/v8/src/regexp/regexp-ast.h b/deps/v8/src/regexp/regexp-ast.h index aab67cad15..3de29512ea 100644 --- a/deps/v8/src/regexp/regexp-ast.h +++ b/deps/v8/src/regexp/regexp-ast.h @@ -477,7 +477,7 @@ class RegExpCapture final : public RegExpTree { int max_match() override { return body_->max_match(); } RegExpTree* body() { return body_; } void set_body(RegExpTree* body) { body_ = body; } - int index() { return index_; } + int index() const { return index_; } const ZoneVector<uc16>* name() const { return name_; } void set_name(const ZoneVector<uc16>* name) { name_ = name; } static int StartRegister(int index) { return index * 2; } diff --git a/deps/v8/src/regexp/regexp-parser.cc b/deps/v8/src/regexp/regexp-parser.cc index d6e421cafa..ec1beca84b 100644 --- a/deps/v8/src/regexp/regexp-parser.cc +++ b/deps/v8/src/regexp/regexp-parser.cc @@ -984,18 +984,39 @@ RegExpCapture* RegExpParser::GetCapture(int index) { return captures_->at(index - 1); } +namespace { + +struct RegExpCaptureIndexLess { + bool operator()(const RegExpCapture* lhs, const RegExpCapture* rhs) const { + DCHECK_NOT_NULL(lhs); + DCHECK_NOT_NULL(rhs); + return lhs->index() < rhs->index(); + } +}; + +} // namespace + Handle<FixedArray> RegExpParser::CreateCaptureNameMap() { if (named_captures_ == nullptr || named_captures_->empty()) { return Handle<FixedArray>(); } + // Named captures are sorted by name (because the set is used to ensure + // name uniqueness). But the capture name map must to be sorted by index. + + ZoneVector<RegExpCapture*> sorted_named_captures( + named_captures_->begin(), named_captures_->end(), zone()); + std::sort(sorted_named_captures.begin(), sorted_named_captures.end(), + RegExpCaptureIndexLess{}); + DCHECK_EQ(sorted_named_captures.size(), named_captures_->size()); + Factory* factory = isolate()->factory(); - int len = static_cast<int>(named_captures_->size()) * 2; + int len = static_cast<int>(sorted_named_captures.size()) * 2; Handle<FixedArray> array = factory->NewFixedArray(len); int i = 0; - for (const auto& capture : *named_captures_) { + for (const auto& capture : sorted_named_captures) { Vector<const uc16> capture_name(capture->name()->data(), capture->name()->size()); // CSA code in ConstructNewResultFromMatchInfo requires these strings to be diff --git a/deps/v8/test/mjsunit/harmony/regexp-named-captures.js b/deps/v8/test/mjsunit/harmony/regexp-named-captures.js index e1fa60dca4..f58bcd9d44 100644 --- a/deps/v8/test/mjsunit/harmony/regexp-named-captures.js +++ b/deps/v8/test/mjsunit/harmony/regexp-named-captures.js @@ -419,6 +419,15 @@ function toSlowMode(re) { assertEquals("cd", "abcd".replace(re, "$<$1>")); } +// Named captures are ordered by capture index on the groups object. +// https://crbug.com/v8/9822 + +{ + const r = /(?<BKey>.+)\s(?<AKey>.+)/; + const s = 'example string'; + assertArrayEquals(["BKey", "AKey"], Object.keys(r.exec(s).groups)); +} + // Tests for 'groups' semantics on the regexp result object. // https://crbug.com/v8/7192 |