1 // Copyright 2011 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "src/char-predicates.h" 6 7 #ifdef V8_I18N_SUPPORT 8 #include "unicode/uchar.h" 9 #include "unicode/urename.h" 10 #endif // V8_I18N_SUPPORT 11 12 namespace v8 { 13 namespace internal { 14 15 bool SupplementaryPlanes::IsIDStart(uc32 c) { 16 DCHECK(c > 0xFFFF); 17 #ifdef V8_I18N_SUPPORT 18 // This only works for code points in the SMPs, since ICU does not exclude 19 // code points with properties 'Pattern_Syntax' or 'Pattern_White_Space'. 20 // Code points in the SMP do not have those properties. 21 return u_isIDStart(c); 22 #else 23 // This is incorrect, but if we don't have ICU, use this as fallback. 24 return false; 25 #endif // V8_I18N_SUPPORT 26 } 27 28 29 bool SupplementaryPlanes::IsIDPart(uc32 c) { 30 DCHECK(c > 0xFFFF); 31 #ifdef V8_I18N_SUPPORT 32 // This only works for code points in the SMPs, since ICU does not exclude 33 // code points with properties 'Pattern_Syntax' or 'Pattern_White_Space'. 34 // Code points in the SMP do not have those properties. 35 return u_isIDPart(c); 36 #else 37 // This is incorrect, but if we don't have ICU, use this as fallback. 38 return false; 39 #endif // V8_I18N_SUPPORT 40 } 41 } // namespace internal 42 } // namespace v8 43
