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authorAllan Sandfeld Jensen <allan.jensen@qt.io>2020-10-12 14:27:29 +0200
committerAllan Sandfeld Jensen <allan.jensen@qt.io>2020-10-13 09:35:20 +0000
commitc30a6232df03e1efbd9f3b226777b07e087a1122 (patch)
treee992f45784689f373bcc38d1b79a239ebe17ee23 /chromium/v8/src/parsing/scanner.h
parent7b5b123ac58f58ffde0f4f6e488bcd09aa4decd3 (diff)
downloadqtwebengine-chromium-85-based.tar.gz
BASELINE: Update Chromium to 85.0.4183.14085-based
Change-Id: Iaa42f4680837c57725b1344f108c0196741f6057 Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
Diffstat (limited to 'chromium/v8/src/parsing/scanner.h')
-rw-r--r--chromium/v8/src/parsing/scanner.h14
1 files changed, 9 insertions, 5 deletions
diff --git a/chromium/v8/src/parsing/scanner.h b/chromium/v8/src/parsing/scanner.h
index 830067e1ad5..6ac7dde01b6 100644
--- a/chromium/v8/src/parsing/scanner.h
+++ b/chromium/v8/src/parsing/scanner.h
@@ -39,7 +39,7 @@ class Zone;
// or one part of a surrogate pair that make a single 21 bit code point.
class Utf16CharacterStream {
public:
- static const uc32 kEndOfInput = -1;
+ static constexpr uc32 kEndOfInput = static_cast<uc32>(-1);
virtual ~Utf16CharacterStream() = default;
@@ -267,8 +267,11 @@ class V8_EXPORT_PRIVATE Scanner {
};
// -1 is outside of the range of any real source code.
- static const int kNoOctalLocation = -1;
- static const uc32 kEndOfInput = Utf16CharacterStream::kEndOfInput;
+ static constexpr uc32 kEndOfInput = Utf16CharacterStream::kEndOfInput;
+ static constexpr uc32 kInvalidSequence = static_cast<uc32>(-1);
+
+ static constexpr uc32 Invalid() { return Scanner::kInvalidSequence; }
+ static bool IsInvalid(uc32 c);
explicit Scanner(Utf16CharacterStream* source, UnoptimizedCompileFlags flags);
@@ -541,7 +544,8 @@ class V8_EXPORT_PRIVATE Scanner {
}
void PushBack(uc32 ch) {
- DCHECK_LE(c0_, static_cast<uc32>(unibrow::Utf16::kMaxNonSurrogateCharCode));
+ DCHECK(IsInvalid(c0_) ||
+ base::IsInRange(c0_, 0u, unibrow::Utf16::kMaxNonSurrogateCharCode));
source_->Back();
c0_ = ch;
}
@@ -623,7 +627,7 @@ class V8_EXPORT_PRIVATE Scanner {
// number can be 000000001, so it's very long in characters but its value is
// small.
template <bool capture_raw>
- uc32 ScanUnlimitedLengthHexNumber(int max_value, int beg_pos);
+ uc32 ScanUnlimitedLengthHexNumber(uc32 max_value, int beg_pos);
// Scans a single JavaScript token.
V8_INLINE Token::Value ScanSingleToken();