43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
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// 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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#include "src/char-predicates.h"
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#ifdef V8_I18N_SUPPORT
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#include "unicode/uchar.h"
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#include "unicode/urename.h"
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#endif // V8_I18N_SUPPORT
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namespace v8 {
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namespace internal {
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bool SupplementaryPlanes::IsIDStart(uc32 c) {
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DCHECK(c > 0xFFFF);
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#ifdef V8_I18N_SUPPORT
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// This only works for code points in the SMPs, since ICU does not exclude
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// code points with properties 'Pattern_Syntax' or 'Pattern_White_Space'.
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// Code points in the SMP do not have those properties.
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return u_isIDStart(c);
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#else
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// This is incorrect, but if we don't have ICU, use this as fallback.
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return false;
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#endif // V8_I18N_SUPPORT
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}
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bool SupplementaryPlanes::IsIDPart(uc32 c) {
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DCHECK(c > 0xFFFF);
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#ifdef V8_I18N_SUPPORT
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// This only works for code points in the SMPs, since ICU does not exclude
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// code points with properties 'Pattern_Syntax' or 'Pattern_White_Space'.
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// Code points in the SMP do not have those properties.
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return u_isIDPart(c);
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#else
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// This is incorrect, but if we don't have ICU, use this as fallback.
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return false;
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#endif // V8_I18N_SUPPORT
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}
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}
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} // namespace v8::internal
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