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Diffstat (limited to 'deps/v8/src/char-predicates-inl.h')
-rw-r--r-- | deps/v8/src/char-predicates-inl.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/deps/v8/src/char-predicates-inl.h b/deps/v8/src/char-predicates-inl.h new file mode 100644 index 0000000000..217db9c331 --- /dev/null +++ b/deps/v8/src/char-predicates-inl.h @@ -0,0 +1,85 @@ +// Copyright 2006-2008 the V8 project authors. All rights reserved. +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following +// disclaimer in the documentation and/or other materials provided +// with the distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived +// from this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef V8_CHAR_PREDICATES_INL_H_ +#define V8_CHAR_PREDICATES_INL_H_ + +#include "char-predicates.h" + +namespace v8 { namespace internal { + + +inline bool IsCarriageReturn(uc32 c) { + return c == 0x000D; +} + + +inline bool IsLineFeed(uc32 c) { + return c == 0x000A; +} + + +static inline bool IsInRange(int value, int lower_limit, int higher_limit) { + ASSERT(lower_limit <= higher_limit); + return static_cast<unsigned int>(value - lower_limit) <= + static_cast<unsigned int>(higher_limit - lower_limit); +} + + +inline bool IsDecimalDigit(uc32 c) { + // ECMA-262, 3rd, 7.8.3 (p 16) + return IsInRange(c, '0', '9'); +} + + +inline bool IsHexDigit(uc32 c) { + // ECMA-262, 3rd, 7.6 (p 15) + return IsDecimalDigit(c) || IsInRange(c | 0x20, 'a', 'f'); +} + + +inline bool IsRegExpWord(uc16 c) { + return IsInRange(c | 0x20, 'a', 'z') + || IsDecimalDigit(c) + || (c == '_'); +} + + +inline bool IsRegExpNewline(uc16 c) { + switch (c) { + // CR LF LS PS + case 0x000A: case 0x000D: case 0x2028: case 0x2029: + return false; + default: + return true; + } +} + + +} } // namespace v8::internal + +#endif // V8_CHAR_PREDICATES_INL_H_ |