Ryan Macnak
e443b89f23
Includes support for modifier spans and duplicate named capture groups. Drops the flow graph implementation to ease maintenance. TEST=corelib/regexp Bug: https://github.com/dart-lang/sdk/issues/56573 Bug: https://github.com/dart-lang/sdk/issues/61337 Bug: https://github.com/dart-lang/sdk/issues/62349 Bug: https://github.com/dart-lang/sdk/issues/62708 Change-Id: I05640ba945a4fa5476e7ad463738f4f39d842c14 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/480121 Reviewed-by: Lasse Nielsen <lrn@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
70 lines
2.6 KiB
C++
70 lines
2.6 KiB
C++
// Copyright 2011 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_STRINGS_CHAR_PREDICATES_H_
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#define V8_STRINGS_CHAR_PREDICATES_H_
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#include "platform/unicode.h"
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#include "vm/regexp/base.h"
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namespace dart {
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// Unicode character predicates as defined by ECMA-262, 3rd,
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// used for lexical analysis.
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inline constexpr int AsciiAlphaToLower(base::uc32 c);
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inline constexpr bool IsCarriageReturn(base::uc32 c);
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inline constexpr bool IsLineFeed(base::uc32 c);
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inline constexpr bool IsAsciiIdentifier(base::uc32 c);
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inline constexpr bool IsAlphaNumeric(base::uc32 c);
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inline constexpr bool IsDecimalDigit(base::uc32 c);
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inline constexpr bool IsHexDigit(base::uc32 c);
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inline constexpr bool IsOctalDigit(base::uc32 c);
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inline constexpr bool IsBinaryDigit(base::uc32 c);
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inline constexpr bool IsRegExpWord(base::uc32 c);
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template <typename Char>
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inline constexpr bool IsAsciiLower(Char ch);
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template <typename Char>
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inline constexpr bool IsAsciiUpper(Char ch);
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inline constexpr base::uc32 ToAsciiUpper(base::uc32 ch);
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inline constexpr base::uc32 ToAsciiLower(base::uc32 ch);
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// ES#sec-names-and-keywords
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// This includes '_', '$' and '\', and ID_Start according to
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// http://www.unicode.org/reports/tr31/, which consists of categories
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// 'Lu', 'Ll', 'Lt', 'Lm', 'Lo', 'Nl', but excluding properties
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// 'Pattern_Syntax' or 'Pattern_White_Space'.
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inline bool IsIdentifierStart(base::uc32 c);
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bool IsIdentifierStartSlow(base::uc32 c);
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// ES#sec-names-and-keywords
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// This includes \u200c and \u200d, and ID_Continue according to
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// http://www.unicode.org/reports/tr31/, which consists of ID_Start,
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// the categories 'Mn', 'Mc', 'Nd', 'Pc', but excluding properties
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// 'Pattern_Syntax' or 'Pattern_White_Space'.
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inline bool IsIdentifierPart(base::uc32 c);
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bool IsIdentifierPartSlow(base::uc32 c);
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// ES6 draft section 11.2
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// This includes all code points of Unicode category 'Zs'.
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// Further included are \u0009, \u000b, \u000c, and \ufeff.
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inline bool IsWhiteSpace(base::uc32 c);
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bool IsWhiteSpaceSlow(base::uc32 c);
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// WhiteSpace and LineTerminator according to ES6 draft section 11.2 and 11.3
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// This includes all the characters with Unicode category 'Z' (= Zs+Zl+Zp)
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// as well as \u0009 - \u000d and \ufeff.
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inline bool IsWhiteSpaceOrLineTerminator(base::uc32 c);
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inline bool IsWhiteSpaceOrLineTerminatorSlow(base::uc32 c) {
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return IsWhiteSpaceSlow(c) || IsLineTerminator(c);
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}
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inline bool IsLineTerminatorSequence(base::uc32 c, base::uc32 next);
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} // namespace dart
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#endif // V8_STRINGS_CHAR_PREDICATES_H_
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