diff options
author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2020-10-12 14:27:29 +0200 |
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committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2020-10-13 09:35:20 +0000 |
commit | c30a6232df03e1efbd9f3b226777b07e087a1122 (patch) | |
tree | e992f45784689f373bcc38d1b79a239ebe17ee23 /chromium/v8/src/parsing/scanner.h | |
parent | 7b5b123ac58f58ffde0f4f6e488bcd09aa4decd3 (diff) | |
download | qtwebengine-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.h | 14 |
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(); |