mirror of https://github.com/lukechilds/node.git
Timothy J Fontaine
11 years ago
433 changed files with 27647 additions and 25358 deletions
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// Copyright 2013 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef V8CONFIG_H_ |
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#define V8CONFIG_H_ |
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// Platform headers for feature detection below.
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#if defined(__ANDROID__) |
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# include <sys/cdefs.h> |
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#elif defined(__APPLE__) |
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# include <TargetConditionals.h> |
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#elif defined(__linux__) |
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# include <features.h> |
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#endif |
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// This macro allows to test for the version of the GNU C library (or
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// a compatible C library that masquerades as glibc). It evaluates to
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// 0 if libc is not GNU libc or compatible.
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// Use like:
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// #if V8_GLIBC_PREREQ(2, 3)
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// ...
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// #endif
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#if defined(__GLIBC__) && defined(__GLIBC_MINOR__) |
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# define V8_GLIBC_PREREQ(major, minor) \ |
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((__GLIBC__ * 100 + __GLIBC_MINOR__) >= ((major) * 100 + (minor))) |
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#else |
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# define V8_GLIBC_PREREQ(major, minor) 0 |
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#endif |
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// This macro allows to test for the version of the GNU C++ compiler.
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// Note that this also applies to compilers that masquerade as GCC,
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// for example clang and the Intel C++ compiler for Linux.
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// Use like:
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// #if V8_GNUC_PREREQ(4, 3, 1)
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// ...
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// #endif
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#if defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__) |
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# define V8_GNUC_PREREQ(major, minor, patchlevel) \ |
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((__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) >= \ |
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((major) * 10000 + (minor) * 100 + (patchlevel))) |
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#elif defined(__GNUC__) && defined(__GNUC_MINOR__) |
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# define V8_GNUC_PREREQ(major, minor, patchlevel) \ |
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((__GNUC__ * 10000 + __GNUC_MINOR__) >= \ |
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((major) * 10000 + (minor) * 100 + (patchlevel))) |
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#else |
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# define V8_GNUC_PREREQ(major, minor, patchlevel) 0 |
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#endif |
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// -----------------------------------------------------------------------------
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// Operating system detection
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//
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// V8_OS_ANDROID - Android
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// V8_OS_BSD - BSDish (Mac OS X, Net/Free/Open/DragonFlyBSD)
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// V8_OS_CYGWIN - Cygwin
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// V8_OS_DRAGONFLYBSD - DragonFlyBSD
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// V8_OS_FREEBSD - FreeBSD
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// V8_OS_LINUX - Linux
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// V8_OS_MACOSX - Mac OS X
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// V8_OS_NACL - Native Client
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// V8_OS_NETBSD - NetBSD
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// V8_OS_OPENBSD - OpenBSD
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// V8_OS_POSIX - POSIX compatible (mostly everything except Windows)
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// V8_OS_SOLARIS - Sun Solaris and OpenSolaris
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// V8_OS_WIN - Microsoft Windows
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#if defined(__ANDROID__) |
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# define V8_OS_ANDROID 1 |
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# define V8_OS_LINUX 1 |
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# define V8_OS_POSIX 1 |
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#elif defined(__APPLE__) |
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# define V8_OS_BSD 1 |
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# define V8_OS_MACOSX 1 |
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# define V8_OS_POSIX 1 |
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#elif defined(__native_client__) |
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# define V8_OS_NACL 1 |
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# define V8_OS_POSIX 1 |
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#elif defined(__CYGWIN__) |
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# define V8_OS_CYGWIN 1 |
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# define V8_OS_POSIX 1 |
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#elif defined(__linux__) |
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# define V8_OS_LINUX 1 |
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# define V8_OS_POSIX 1 |
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#elif defined(__sun) |
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# define V8_OS_POSIX 1 |
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# define V8_OS_SOLARIS 1 |
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#elif defined(__FreeBSD__) |
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# define V8_OS_BSD 1 |
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# define V8_OS_FREEBSD 1 |
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# define V8_OS_POSIX 1 |
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#elif defined(__DragonFly__) |
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# define V8_OS_BSD 1 |
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# define V8_OS_DRAGONFLYBSD 1 |
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# define V8_OS_POSIX 1 |
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#elif defined(__NetBSD__) |
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# define V8_OS_BSD 1 |
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# define V8_OS_NETBSD 1 |
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# define V8_OS_POSIX 1 |
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#elif defined(__OpenBSD__) |
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# define V8_OS_BSD 1 |
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# define V8_OS_OPENBSD 1 |
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# define V8_OS_POSIX 1 |
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#elif defined(_WIN32) |
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# define V8_OS_WIN 1 |
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#endif |
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// -----------------------------------------------------------------------------
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// C library detection
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//
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// V8_LIBC_BIONIC - Bionic libc
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// V8_LIBC_BSD - BSD libc derivate
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// V8_LIBC_GLIBC - GNU C library
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// V8_LIBC_UCLIBC - uClibc
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//
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// Note that testing for libc must be done using #if not #ifdef. For example,
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// to test for the GNU C library, use:
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// #if V8_LIBC_GLIBC
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// ...
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// #endif
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#if defined(__BIONIC__) |
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# define V8_LIBC_BIONIC 1 |
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# define V8_LIBC_BSD 1 |
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#elif defined(__UCLIBC__) |
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# define V8_LIBC_UCLIBC 1 |
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#elif defined(__GLIBC__) || defined(__GNU_LIBRARY__) |
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# define V8_LIBC_GLIBC 1 |
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#else |
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# define V8_LIBC_BSD V8_OS_BSD |
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#endif |
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// -----------------------------------------------------------------------------
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// Compiler detection
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//
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// V8_CC_CLANG - Clang
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// V8_CC_GNU - GNU C++
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// V8_CC_INTEL - Intel C++
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// V8_CC_MINGW - Minimalist GNU for Windows
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// V8_CC_MINGW32 - Minimalist GNU for Windows (mingw32)
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// V8_CC_MINGW64 - Minimalist GNU for Windows (mingw-w64)
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// V8_CC_MSVC - Microsoft Visual C/C++
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//
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// C++11 feature detection
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//
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// V8_HAS_CXX11_ALIGNAS - alignas specifier supported
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// V8_HAS_CXX11_ALIGNOF - alignof(type) operator supported
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// V8_HAS_CXX11_STATIC_ASSERT - static_assert() supported
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// V8_HAS_CXX11_DELETE - deleted functions supported
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// V8_HAS_CXX11_FINAL - final marker supported
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// V8_HAS_CXX11_OVERRIDE - override marker supported
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//
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// Compiler-specific feature detection
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//
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// V8_HAS___ALIGNOF - __alignof(type) operator supported
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// V8_HAS___ALIGNOF__ - __alignof__(type) operator supported
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// V8_HAS_ATTRIBUTE_ALIGNED - __attribute__((aligned(n))) supported
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// V8_HAS_ATTRIBUTE_ALWAYS_INLINE - __attribute__((always_inline))
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// supported
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// V8_HAS_ATTRIBUTE_DEPRECATED - __attribute__((deprecated)) supported
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// V8_HAS_ATTRIBUTE_NOINLINE - __attribute__((noinline)) supported
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// V8_HAS_ATTRIBUTE_VISIBILITY - __attribute__((visibility)) supported
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// V8_HAS_ATTRIBUTE_WARN_UNUSED_RESULT - __attribute__((warn_unused_result))
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// supported
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// V8_HAS_BUILTIN_EXPECT - __builtin_expect() supported
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// V8_HAS_DECLSPEC_ALIGN - __declspec(align(n)) supported
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// V8_HAS_DECLSPEC_DEPRECATED - __declspec(deprecated) supported
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// V8_HAS_DECLSPEC_NOINLINE - __declspec(noinline) supported
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// V8_HAS___FINAL - __final supported in non-C++11 mode
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// V8_HAS___FORCEINLINE - __forceinline supported
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// V8_HAS_SEALED - MSVC style sealed marker supported
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//
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// Note that testing for compilers and/or features must be done using #if
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// not #ifdef. For example, to test for Intel C++ Compiler, use:
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// #if V8_CC_INTEL
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// ...
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// #endif
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#if defined(__clang__) |
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# define V8_CC_CLANG 1 |
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// Clang defines __alignof__ as alias for __alignof
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# define V8_HAS___ALIGNOF 1 |
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# define V8_HAS___ALIGNOF__ V8_HAS___ALIGNOF |
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# define V8_HAS_ATTRIBUTE_ALIGNED (__has_attribute(aligned)) |
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# define V8_HAS_ATTRIBUTE_ALWAYS_INLINE (__has_attribute(always_inline)) |
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# define V8_HAS_ATTRIBUTE_DEPRECATED (__has_attribute(deprecated)) |
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# define V8_HAS_ATTRIBUTE_NOINLINE (__has_attribute(noinline)) |
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# define V8_HAS_ATTRIBUTE_VISIBILITY (__has_attribute(visibility)) |
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# define V8_HAS_ATTRIBUTE_WARN_UNUSED_RESULT \ |
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(__has_attribute(warn_unused_result)) |
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# define V8_HAS_BUILTIN_EXPECT (__has_builtin(__builtin_expect)) |
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# define V8_HAS_CXX11_ALIGNAS (__has_feature(cxx_alignas)) |
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# define V8_HAS_CXX11_STATIC_ASSERT (__has_feature(cxx_static_assert)) |
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# define V8_HAS_CXX11_DELETE (__has_feature(cxx_deleted_functions)) |
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# define V8_HAS_CXX11_FINAL (__has_feature(cxx_override_control)) |
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# define V8_HAS_CXX11_OVERRIDE (__has_feature(cxx_override_control)) |
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#elif defined(__GNUC__) |
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# define V8_CC_GNU 1 |
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// Intel C++ also masquerades as GCC 3.2.0
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# define V8_CC_INTEL (defined(__INTEL_COMPILER)) |
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# define V8_CC_MINGW32 (defined(__MINGW32__)) |
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# define V8_CC_MINGW64 (defined(__MINGW64__)) |
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# define V8_CC_MINGW (V8_CC_MINGW32 || V8_CC_MINGW64) |
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# define V8_HAS___ALIGNOF__ (V8_GNUC_PREREQ(4, 3, 0)) |
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# define V8_HAS_ATTRIBUTE_ALIGNED (V8_GNUC_PREREQ(2, 95, 0)) |
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// always_inline is available in gcc 4.0 but not very reliable until 4.4.
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// Works around "sorry, unimplemented: inlining failed" build errors with
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// older compilers.
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# define V8_HAS_ATTRIBUTE_ALWAYS_INLINE (V8_GNUC_PREREQ(4, 4, 0)) |
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# define V8_HAS_ATTRIBUTE_DEPRECATED (V8_GNUC_PREREQ(3, 4, 0)) |
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# define V8_HAS_ATTRIBUTE_NOINLINE (V8_GNUC_PREREQ(3, 4, 0)) |
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# define V8_HAS_ATTRIBUTE_VISIBILITY (V8_GNUC_PREREQ(4, 3, 0)) |
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# define V8_HAS_ATTRIBUTE_WARN_UNUSED_RESULT \ |
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(!V8_CC_INTEL && V8_GNUC_PREREQ(4, 1, 0)) |
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# define V8_HAS_BUILTIN_EXPECT (V8_GNUC_PREREQ(2, 96, 0)) |
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// g++ requires -std=c++0x or -std=gnu++0x to support C++11 functionality
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// without warnings (functionality used by the macros below). These modes
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// are detectable by checking whether __GXX_EXPERIMENTAL_CXX0X__ is defined or,
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// more standardly, by checking whether __cplusplus has a C++11 or greater
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// value. Current versions of g++ do not correctly set __cplusplus, so we check
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// both for forward compatibility.
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# if defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L |
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# define V8_HAS_CXX11_ALIGNAS (V8_GNUC_PREREQ(4, 8, 0)) |
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# define V8_HAS_CXX11_ALIGNOF (V8_GNUC_PREREQ(4, 8, 0)) |
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# define V8_HAS_CXX11_STATIC_ASSERT (V8_GNUC_PREREQ(4, 3, 0)) |
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# define V8_HAS_CXX11_DELETE (V8_GNUC_PREREQ(4, 4, 0)) |
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# define V8_HAS_CXX11_OVERRIDE (V8_GNUC_PREREQ(4, 7, 0)) |
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# define V8_HAS_CXX11_FINAL (V8_GNUC_PREREQ(4, 7, 0)) |
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# else |
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// '__final' is a non-C++11 GCC synonym for 'final', per GCC r176655.
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# define V8_HAS___FINAL (V8_GNUC_PREREQ(4, 7, 0)) |
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# endif |
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#elif defined(_MSC_VER) |
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# define V8_CC_MSVC 1 |
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# define V8_HAS___ALIGNOF 1 |
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// Override control was added with Visual Studio 2005, but
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// Visual Studio 2010 and earlier spell "final" as "sealed".
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# define V8_HAS_CXX11_FINAL (_MSC_VER >= 1700) |
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# define V8_HAS_CXX11_OVERRIDE (_MSC_VER >= 1400) |
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# define V8_HAS_SEALED (_MSC_VER >= 1400) |
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# define V8_HAS_DECLSPEC_ALIGN 1 |
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# define V8_HAS_DECLSPEC_DEPRECATED (_MSC_VER >= 1300) |
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# define V8_HAS_DECLSPEC_NOINLINE 1 |
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# define V8_HAS___FORCEINLINE 1 |
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#endif |
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// -----------------------------------------------------------------------------
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// Helper macros
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// A macro used to make better inlining. Don't bother for debug builds.
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// Use like:
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// V8_INLINE int GetZero() { return 0; }
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#if !defined(DEBUG) && V8_HAS_ATTRIBUTE_ALWAYS_INLINE |
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# define V8_INLINE inline __attribute__((always_inline)) |
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#elif !defined(DEBUG) && V8_HAS___FORCEINLINE |
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# define V8_INLINE __forceinline |
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#else |
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# define V8_INLINE inline |
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#endif |
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// A macro used to tell the compiler to never inline a particular function.
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// Don't bother for debug builds.
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// Use like:
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// V8_NOINLINE int GetMinusOne() { return -1; }
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#if !defined(DEBUG) && V8_HAS_ATTRIBUTE_NOINLINE |
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# define V8_NOINLINE __attribute__((noinline)) |
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#elif !defined(DEBUG) && V8_HAS_DECLSPEC_NOINLINE |
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# define V8_NOINLINE __declspec(noinline) |
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#else |
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# define V8_NOINLINE /* NOT SUPPORTED */ |
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#endif |
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// A macro to mark classes or functions as deprecated.
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#if !V8_DISABLE_DEPRECATIONS && V8_HAS_ATTRIBUTE_DEPRECATED |
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# define V8_DEPRECATED(declarator) declarator __attribute__((deprecated)) |
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#elif !V8_DISABLE_DEPRECATIONS && V8_HAS_DECLSPEC_DEPRECATED |
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# define V8_DEPRECATED(declarator) __declspec(deprecated) declarator |
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#else |
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# define V8_DEPRECATED(declarator) declarator |
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#endif |
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// Annotate a function indicating the caller must examine the return value.
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// Use like:
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// int foo() V8_WARN_UNUSED_RESULT;
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#if V8_HAS_ATTRIBUTE_WARN_UNUSED_RESULT |
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# define V8_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) |
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#else |
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# define V8_WARN_UNUSED_RESULT /* NOT SUPPORTED */ |
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#endif |
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// A macro to provide the compiler with branch prediction information.
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#if V8_HAS_BUILTIN_EXPECT |
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# define V8_UNLIKELY(condition) (__builtin_expect(!!(condition), 0)) |
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# define V8_LIKELY(condition) (__builtin_expect(!!(condition), 1)) |
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#else |
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# define V8_UNLIKELY(condition) (condition) |
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# define V8_LIKELY(condition) (condition) |
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#endif |
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// A macro to specify that a method is deleted from the corresponding class.
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// Any attempt to use the method will always produce an error at compile time
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// when this macro can be implemented (i.e. if the compiler supports C++11).
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// If the current compiler does not support C++11, use of the annotated method
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// will still cause an error, but the error will most likely occur at link time
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// rather than at compile time. As a backstop, method declarations using this
|
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// macro should be private.
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// Use like:
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// class A {
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// private:
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// A(const A& other) V8_DELETE;
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// A& operator=(const A& other) V8_DELETE;
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// };
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#if V8_HAS_CXX11_DELETE |
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# define V8_DELETE = delete |
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#else |
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# define V8_DELETE /* NOT SUPPORTED */ |
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#endif |
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// Annotate a virtual method indicating it must be overriding a virtual
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// method in the parent class.
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// Use like:
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// virtual void bar() V8_OVERRIDE;
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#if V8_HAS_CXX11_OVERRIDE |
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# define V8_OVERRIDE override |
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#else |
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# define V8_OVERRIDE /* NOT SUPPORTED */ |
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#endif |
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// Annotate a virtual method indicating that subclasses must not override it,
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// or annotate a class to indicate that it cannot be subclassed.
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// Use like:
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// class B V8_FINAL : public A {};
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// virtual void bar() V8_FINAL;
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#if V8_HAS_CXX11_FINAL |
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# define V8_FINAL final |
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#elif V8_HAS___FINAL |
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# define V8_FINAL __final |
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#elif V8_HAS_SEALED |
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# define V8_FINAL sealed |
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#else |
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# define V8_FINAL /* NOT SUPPORTED */ |
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#endif |
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// This macro allows to specify memory alignment for structs, classes, etc.
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// Use like:
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// class V8_ALIGNED(16) MyClass { ... };
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// V8_ALIGNED(32) int array[42];
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#if V8_HAS_CXX11_ALIGNAS |
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# define V8_ALIGNED(n) alignas(n) |
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#elif V8_HAS_ATTRIBUTE_ALIGNED |
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# define V8_ALIGNED(n) __attribute__((aligned(n))) |
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#elif V8_HAS_DECLSPEC_ALIGN |
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# define V8_ALIGNED(n) __declspec(align(n)) |
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#else |
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# define V8_ALIGNED(n) /* NOT SUPPORTED */ |
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#endif |
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|
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// This macro is similar to V8_ALIGNED(), but takes a type instead of size
|
|||
// in bytes. If the compiler does not supports using the alignment of the
|
|||
// |type|, it will align according to the |alignment| instead. For example,
|
|||
// Visual Studio C++ cannot combine __declspec(align) and __alignof. The
|
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// |alignment| must be a literal that is used as a kind of worst-case fallback
|
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// alignment.
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// Use like:
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// struct V8_ALIGNAS(AnotherClass, 16) NewClass { ... };
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// V8_ALIGNAS(double, 8) int array[100];
|
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#if V8_HAS_CXX11_ALIGNAS |
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# define V8_ALIGNAS(type, alignment) alignas(type) |
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#elif V8_HAS___ALIGNOF__ && V8_HAS_ATTRIBUTE_ALIGNED |
|||
# define V8_ALIGNAS(type, alignment) __attribute__((aligned(__alignof__(type)))) |
|||
#else |
|||
# define V8_ALIGNAS(type, alignment) V8_ALIGNED(alignment) |
|||
#endif |
|||
|
|||
|
|||
// This macro returns alignment in bytes (an integer power of two) required for
|
|||
// any instance of the given type, which is either complete type, an array type,
|
|||
// or a reference type.
|
|||
// Use like:
|
|||
// size_t alignment = V8_ALIGNOF(double);
|
|||
#if V8_HAS_CXX11_ALIGNOF |
|||
# define V8_ALIGNOF(type) alignof(type) |
|||
#elif V8_HAS___ALIGNOF |
|||
# define V8_ALIGNOF(type) __alignof(type) |
|||
#elif V8_HAS___ALIGNOF__ |
|||
# define V8_ALIGNOF(type) __alignof__(type) |
|||
#else |
|||
// Note that alignment of a type within a struct can be less than the
|
|||
// alignment of the type stand-alone (because of ancient ABIs), so this
|
|||
// should only be used as a last resort.
|
|||
namespace v8 { template <typename T> class AlignOfHelper { char c; T t; }; } |
|||
# define V8_ALIGNOF(type) (sizeof(::v8::AlignOfHelper<type>) - sizeof(type)) |
|||
#endif |
|||
|
|||
#endif // V8CONFIG_H_
|
|||
File diff suppressed because it is too large
File diff suppressed because it is too large
File diff suppressed because it is too large
@ -1,125 +0,0 @@ |
|||
// Copyright 2010 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.
|
|||
|
|||
#include "v8.h" |
|||
|
|||
#include "circular-queue-inl.h" |
|||
|
|||
namespace v8 { |
|||
namespace internal { |
|||
|
|||
|
|||
SamplingCircularQueue::SamplingCircularQueue(size_t record_size_in_bytes, |
|||
size_t desired_chunk_size_in_bytes, |
|||
unsigned buffer_size_in_chunks) |
|||
: record_size_(record_size_in_bytes / sizeof(Cell)), |
|||
chunk_size_in_bytes_(desired_chunk_size_in_bytes / record_size_in_bytes * |
|||
record_size_in_bytes + sizeof(Cell)), |
|||
chunk_size_(chunk_size_in_bytes_ / sizeof(Cell)), |
|||
buffer_size_(chunk_size_ * buffer_size_in_chunks), |
|||
buffer_(NewArray<Cell>(buffer_size_)) { |
|||
ASSERT(record_size_ * sizeof(Cell) == record_size_in_bytes); |
|||
ASSERT(chunk_size_ * sizeof(Cell) == chunk_size_in_bytes_); |
|||
ASSERT(buffer_size_in_chunks > 2); |
|||
// Mark all chunks as clear.
|
|||
for (size_t i = 0; i < buffer_size_; i += chunk_size_) { |
|||
buffer_[i] = kClear; |
|||
} |
|||
|
|||
// Layout producer and consumer position pointers each on their own
|
|||
// cache lines to avoid cache lines thrashing due to simultaneous
|
|||
// updates of positions by different processor cores.
|
|||
const int positions_size = |
|||
RoundUp(1, kProcessorCacheLineSize) + |
|||
RoundUp(static_cast<int>(sizeof(ProducerPosition)), |
|||
kProcessorCacheLineSize) + |
|||
RoundUp(static_cast<int>(sizeof(ConsumerPosition)), |
|||
kProcessorCacheLineSize); |
|||
positions_ = NewArray<byte>(positions_size); |
|||
|
|||
producer_pos_ = reinterpret_cast<ProducerPosition*>( |
|||
RoundUp(positions_, kProcessorCacheLineSize)); |
|||
producer_pos_->next_chunk_pos = buffer_; |
|||
producer_pos_->enqueue_pos = buffer_; |
|||
|
|||
consumer_pos_ = reinterpret_cast<ConsumerPosition*>( |
|||
reinterpret_cast<byte*>(producer_pos_) + kProcessorCacheLineSize); |
|||
ASSERT(reinterpret_cast<byte*>(consumer_pos_ + 1) <= |
|||
positions_ + positions_size); |
|||
consumer_pos_->dequeue_chunk_pos = buffer_; |
|||
// The distance ensures that producer and consumer never step on
|
|||
// each other's chunks and helps eviction of produced data from
|
|||
// the CPU cache (having that chunk size is bigger than the cache.)
|
|||
const size_t producer_consumer_distance = (2 * chunk_size_); |
|||
consumer_pos_->dequeue_chunk_poll_pos = buffer_ + producer_consumer_distance; |
|||
consumer_pos_->dequeue_pos = NULL; |
|||
} |
|||
|
|||
|
|||
SamplingCircularQueue::~SamplingCircularQueue() { |
|||
DeleteArray(positions_); |
|||
DeleteArray(buffer_); |
|||
} |
|||
|
|||
|
|||
void* SamplingCircularQueue::StartDequeue() { |
|||
if (consumer_pos_->dequeue_pos != NULL) { |
|||
return consumer_pos_->dequeue_pos; |
|||
} else { |
|||
if (Acquire_Load(consumer_pos_->dequeue_chunk_poll_pos) != kClear) { |
|||
// Skip marker.
|
|||
consumer_pos_->dequeue_pos = consumer_pos_->dequeue_chunk_pos + 1; |
|||
consumer_pos_->dequeue_end_pos = |
|||
consumer_pos_->dequeue_chunk_pos + chunk_size_; |
|||
return consumer_pos_->dequeue_pos; |
|||
} else { |
|||
return NULL; |
|||
} |
|||
} |
|||
} |
|||
|
|||
|
|||
void SamplingCircularQueue::FinishDequeue() { |
|||
consumer_pos_->dequeue_pos += record_size_; |
|||
if (consumer_pos_->dequeue_pos < consumer_pos_->dequeue_end_pos) return; |
|||
// Move to next chunk.
|
|||
consumer_pos_->dequeue_pos = NULL; |
|||
*consumer_pos_->dequeue_chunk_pos = kClear; |
|||
consumer_pos_->dequeue_chunk_pos += chunk_size_; |
|||
WrapPositionIfNeeded(&consumer_pos_->dequeue_chunk_pos); |
|||
consumer_pos_->dequeue_chunk_poll_pos += chunk_size_; |
|||
WrapPositionIfNeeded(&consumer_pos_->dequeue_chunk_poll_pos); |
|||
} |
|||
|
|||
|
|||
void SamplingCircularQueue::FlushResidualRecords() { |
|||
// Eliminate producer / consumer distance.
|
|||
consumer_pos_->dequeue_chunk_poll_pos = consumer_pos_->dequeue_chunk_pos; |
|||
} |
|||
|
|||
|
|||
} } // namespace v8::internal
|
|||
@ -0,0 +1,466 @@ |
|||
// Copyright 2013 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.
|
|||
|
|||
#include "cpu.h" |
|||
|
|||
#if V8_CC_MSVC |
|||
#include <intrin.h> // __cpuid() |
|||
#endif |
|||
#if V8_OS_POSIX |
|||
#include <unistd.h> // sysconf() |
|||
#endif |
|||
|
|||
#include <algorithm> |
|||
#include <cctype> |
|||
#include <climits> |
|||
#include <cstdio> |
|||
#include <cstdlib> |
|||
#include <cstring> |
|||
|
|||
#include "checks.h" |
|||
#if V8_OS_WIN |
|||
#include "win32-headers.h" |
|||
#endif |
|||
|
|||
namespace v8 { |
|||
namespace internal { |
|||
|
|||
#if V8_HOST_ARCH_IA32 || V8_HOST_ARCH_X64 |
|||
|
|||
// Define __cpuid() for non-MSVC compilers.
|
|||
#if !V8_CC_MSVC |
|||
|
|||
static V8_INLINE void __cpuid(int cpu_info[4], int info_type) { |
|||
#if defined(__i386__) && defined(__pic__) |
|||
// Make sure to preserve ebx, which contains the pointer
|
|||
// to the GOT in case we're generating PIC.
|
|||
__asm__ volatile ( |
|||
"mov %%ebx, %%edi\n\t" |
|||
"cpuid\n\t" |
|||
"xchg %%edi, %%ebx\n\t" |
|||
: "=a"(cpu_info[0]), "=D"(cpu_info[1]), "=c"(cpu_info[2]), "=d"(cpu_info[3]) |
|||
: "a"(info_type) |
|||
); |
|||
#else |
|||
__asm__ volatile ( |
|||
"cpuid \n\t" |
|||
: "=a"(cpu_info[0]), "=b"(cpu_info[1]), "=c"(cpu_info[2]), "=d"(cpu_info[3]) |
|||
: "a"(info_type) |
|||
); |
|||
#endif // defined(__i386__) && defined(__pic__)
|
|||
} |
|||
|
|||
#endif // !V8_CC_MSVC
|
|||
|
|||
#elif V8_HOST_ARCH_ARM || V8_HOST_ARCH_MIPS |
|||
|
|||
#if V8_HOST_ARCH_ARM |
|||
|
|||
// See <uapi/asm/hwcap.h> kernel header.
|
|||
/*
|
|||
* HWCAP flags - for elf_hwcap (in kernel) and AT_HWCAP |
|||
*/ |
|||
#define HWCAP_SWP (1 << 0) |
|||
#define HWCAP_HALF (1 << 1) |
|||
#define HWCAP_THUMB (1 << 2) |
|||
#define HWCAP_26BIT (1 << 3) /* Play it safe */ |
|||
#define HWCAP_FAST_MULT (1 << 4) |
|||
#define HWCAP_FPA (1 << 5) |
|||
#define HWCAP_VFP (1 << 6) |
|||
#define HWCAP_EDSP (1 << 7) |
|||
#define HWCAP_JAVA (1 << 8) |
|||
#define HWCAP_IWMMXT (1 << 9) |
|||
#define HWCAP_CRUNCH (1 << 10) |
|||
#define HWCAP_THUMBEE (1 << 11) |
|||
#define HWCAP_NEON (1 << 12) |
|||
#define HWCAP_VFPv3 (1 << 13) |
|||
#define HWCAP_VFPv3D16 (1 << 14) /* also set for VFPv4-D16 */ |
|||
#define HWCAP_TLS (1 << 15) |
|||
#define HWCAP_VFPv4 (1 << 16) |
|||
#define HWCAP_IDIVA (1 << 17) |
|||
#define HWCAP_IDIVT (1 << 18) |
|||
#define HWCAP_VFPD32 (1 << 19) /* set if VFP has 32 regs (not 16) */ |
|||
#define HWCAP_IDIV (HWCAP_IDIVA | HWCAP_IDIVT) |
|||
#define HWCAP_LPAE (1 << 20) |
|||
|
|||
#define AT_HWCAP 16 |
|||
|
|||
// Read the ELF HWCAP flags by parsing /proc/self/auxv.
|
|||
static uint32_t ReadELFHWCaps() { |
|||
uint32_t result = 0; |
|||
FILE* fp = fopen("/proc/self/auxv", "r"); |
|||
if (fp != NULL) { |
|||
struct { uint32_t tag; uint32_t value; } entry; |
|||
for (;;) { |
|||
size_t n = fread(&entry, sizeof(entry), 1, fp); |
|||
if (n == 0 || (entry.tag == 0 && entry.value == 0)) { |
|||
break; |
|||
} |
|||
if (entry.tag == AT_HWCAP) { |
|||
result = entry.value; |
|||
break; |
|||
} |
|||
} |
|||
fclose(fp); |
|||
} |
|||
return result; |
|||
} |
|||
|
|||
#endif // V8_HOST_ARCH_ARM
|
|||
|
|||
// Extract the information exposed by the kernel via /proc/cpuinfo.
|
|||
class CPUInfo V8_FINAL BASE_EMBEDDED { |
|||
public: |
|||
CPUInfo() : datalen_(0) { |
|||
// Get the size of the cpuinfo file by reading it until the end. This is
|
|||
// required because files under /proc do not always return a valid size
|
|||
// when using fseek(0, SEEK_END) + ftell(). Nor can the be mmap()-ed.
|
|||
static const char PATHNAME[] = "/proc/cpuinfo"; |
|||
FILE* fp = fopen(PATHNAME, "r"); |
|||
if (fp != NULL) { |
|||
for (;;) { |
|||
char buffer[256]; |
|||
size_t n = fread(buffer, 1, sizeof(buffer), fp); |
|||
if (n == 0) { |
|||
break; |
|||
} |
|||
datalen_ += n; |
|||
} |
|||
fclose(fp); |
|||
} |
|||
|
|||
// Read the contents of the cpuinfo file.
|
|||
data_ = new char[datalen_ + 1]; |
|||
fp = fopen(PATHNAME, "r"); |
|||
if (fp != NULL) { |
|||
for (size_t offset = 0; offset < datalen_; ) { |
|||
size_t n = fread(data_ + offset, 1, datalen_ - offset, fp); |
|||
if (n == 0) { |
|||
break; |
|||
} |
|||
offset += n; |
|||
} |
|||
fclose(fp); |
|||
} |
|||
|
|||
// Zero-terminate the data.
|
|||
data_[datalen_] = '\0'; |
|||
} |
|||
|
|||
~CPUInfo() { |
|||
delete[] data_; |
|||
} |
|||
|
|||
// Extract the content of a the first occurence of a given field in
|
|||
// the content of the cpuinfo file and return it as a heap-allocated
|
|||
// string that must be freed by the caller using delete[].
|
|||
// Return NULL if not found.
|
|||
char* ExtractField(const char* field) const { |
|||
ASSERT(field != NULL); |
|||
|
|||
// Look for first field occurence, and ensure it starts the line.
|
|||
size_t fieldlen = strlen(field); |
|||
char* p = data_; |
|||
for (;;) { |
|||
p = strstr(p, field); |
|||
if (p == NULL) { |
|||
return NULL; |
|||
} |
|||
if (p == data_ || p[-1] == '\n') { |
|||
break; |
|||
} |
|||
p += fieldlen; |
|||
} |
|||
|
|||
// Skip to the first colon followed by a space.
|
|||
p = strchr(p + fieldlen, ':'); |
|||
if (p == NULL || !isspace(p[1])) { |
|||
return NULL; |
|||
} |
|||
p += 2; |
|||
|
|||
// Find the end of the line.
|
|||
char* q = strchr(p, '\n'); |
|||
if (q == NULL) { |
|||
q = data_ + datalen_; |
|||
} |
|||
|
|||
// Copy the line into a heap-allocated buffer.
|
|||
size_t len = q - p; |
|||
char* result = new char[len + 1]; |
|||
if (result != NULL) { |
|||
memcpy(result, p, len); |
|||
result[len] = '\0'; |
|||
} |
|||
return result; |
|||
} |
|||
|
|||
private: |
|||
char* data_; |
|||
size_t datalen_; |
|||
}; |
|||
|
|||
|
|||
// Checks that a space-separated list of items contains one given 'item'.
|
|||
static bool HasListItem(const char* list, const char* item) { |
|||
ssize_t item_len = strlen(item); |
|||
const char* p = list; |
|||
if (p != NULL) { |
|||
while (*p != '\0') { |
|||
// Skip whitespace.
|
|||
while (isspace(*p)) ++p; |
|||
|
|||
// Find end of current list item.
|
|||
const char* q = p; |
|||
while (*q != '\0' && !isspace(*q)) ++q; |
|||
|
|||
if (item_len == q - p && memcmp(p, item, item_len) == 0) { |
|||
return true; |
|||
} |
|||
|
|||
// Skip to next item.
|
|||
p = q; |
|||
} |
|||
} |
|||
return false; |
|||
} |
|||
|
|||
#endif // V8_HOST_ARCH_IA32 || V8_HOST_ARCH_X64
|
|||
|
|||
CPU::CPU() : stepping_(0), |
|||
model_(0), |
|||
ext_model_(0), |
|||
family_(0), |
|||
ext_family_(0), |
|||
type_(0), |
|||
implementer_(0), |
|||
architecture_(0), |
|||
part_(0), |
|||
has_fpu_(false), |
|||
has_cmov_(false), |
|||
has_sahf_(false), |
|||
has_mmx_(false), |
|||
has_sse_(false), |
|||
has_sse2_(false), |
|||
has_sse3_(false), |
|||
has_ssse3_(false), |
|||
has_sse41_(false), |
|||
has_sse42_(false), |
|||
has_idiva_(false), |
|||
has_neon_(false), |
|||
has_thumbee_(false), |
|||
has_vfp_(false), |
|||
has_vfp3_(false), |
|||
has_vfp3_d32_(false) { |
|||
memcpy(vendor_, "Unknown", 8); |
|||
#if V8_HOST_ARCH_IA32 || V8_HOST_ARCH_X64 |
|||
int cpu_info[4]; |
|||
|
|||
// __cpuid with an InfoType argument of 0 returns the number of
|
|||
// valid Ids in CPUInfo[0] and the CPU identification string in
|
|||
// the other three array elements. The CPU identification string is
|
|||
// not in linear order. The code below arranges the information
|
|||
// in a human readable form. The human readable order is CPUInfo[1] |
|
|||
// CPUInfo[3] | CPUInfo[2]. CPUInfo[2] and CPUInfo[3] are swapped
|
|||
// before using memcpy to copy these three array elements to cpu_string.
|
|||
__cpuid(cpu_info, 0); |
|||
unsigned num_ids = cpu_info[0]; |
|||
std::swap(cpu_info[2], cpu_info[3]); |
|||
memcpy(vendor_, cpu_info + 1, 12); |
|||
vendor_[12] = '\0'; |
|||
|
|||
// Interpret CPU feature information.
|
|||
if (num_ids > 0) { |
|||
__cpuid(cpu_info, 1); |
|||
stepping_ = cpu_info[0] & 0xf; |
|||
model_ = ((cpu_info[0] >> 4) & 0xf) + ((cpu_info[0] >> 12) & 0xf0); |
|||
family_ = (cpu_info[0] >> 8) & 0xf; |
|||
type_ = (cpu_info[0] >> 12) & 0x3; |
|||
ext_model_ = (cpu_info[0] >> 16) & 0xf; |
|||
ext_family_ = (cpu_info[0] >> 20) & 0xff; |
|||
has_fpu_ = (cpu_info[3] & 0x00000001) != 0; |
|||
has_cmov_ = (cpu_info[3] & 0x00008000) != 0; |
|||
has_mmx_ = (cpu_info[3] & 0x00800000) != 0; |
|||
has_sse_ = (cpu_info[3] & 0x02000000) != 0; |
|||
has_sse2_ = (cpu_info[3] & 0x04000000) != 0; |
|||
has_sse3_ = (cpu_info[2] & 0x00000001) != 0; |
|||
has_ssse3_ = (cpu_info[2] & 0x00000200) != 0; |
|||
has_sse41_ = (cpu_info[2] & 0x00080000) != 0; |
|||
has_sse42_ = (cpu_info[2] & 0x00100000) != 0; |
|||
} |
|||
|
|||
// Query extended IDs.
|
|||
__cpuid(cpu_info, 0x80000000); |
|||
unsigned num_ext_ids = cpu_info[0]; |
|||
|
|||
// Interpret extended CPU feature information.
|
|||
if (num_ext_ids > 0x80000000) { |
|||
__cpuid(cpu_info, 0x80000001); |
|||
// SAHF is always available in compat/legacy mode,
|
|||
// but must be probed in long mode.
|
|||
#if V8_HOST_ARCH_IA32 |
|||
has_sahf_ = true; |
|||
#else |
|||
has_sahf_ = (cpu_info[2] & 0x00000001) != 0; |
|||
#endif |
|||
} |
|||
#elif V8_HOST_ARCH_ARM |
|||
CPUInfo cpu_info; |
|||
|
|||
// Extract implementor from the "CPU implementer" field.
|
|||
char* implementer = cpu_info.ExtractField("CPU implementer"); |
|||
if (implementer != NULL) { |
|||
char* end ; |
|||
implementer_ = strtol(implementer, &end, 0); |
|||
if (end == implementer) { |
|||
implementer_ = 0; |
|||
} |
|||
delete[] implementer; |
|||
} |
|||
|
|||
// Extract part number from the "CPU part" field.
|
|||
char* part = cpu_info.ExtractField("CPU part"); |
|||
if (part != NULL) { |
|||
char* end ; |
|||
part_ = strtol(part, &end, 0); |
|||
if (end == part) { |
|||
part_ = 0; |
|||
} |
|||
delete[] part; |
|||
} |
|||
|
|||
// Extract architecture from the "CPU Architecture" field.
|
|||
// The list is well-known, unlike the the output of
|
|||
// the 'Processor' field which can vary greatly.
|
|||
// See the definition of the 'proc_arch' array in
|
|||
// $KERNEL/arch/arm/kernel/setup.c and the 'c_show' function in
|
|||
// same file.
|
|||
char* architecture = cpu_info.ExtractField("CPU architecture"); |
|||
if (architecture != NULL) { |
|||
char* end; |
|||
architecture_ = strtol(architecture, &end, 10); |
|||
if (end == architecture) { |
|||
architecture_ = 0; |
|||
} |
|||
delete[] architecture; |
|||
|
|||
// Unfortunately, it seems that certain ARMv6-based CPUs
|
|||
// report an incorrect architecture number of 7!
|
|||
//
|
|||
// See http://code.google.com/p/android/issues/detail?id=10812
|
|||
//
|
|||
// We try to correct this by looking at the 'elf_format'
|
|||
// field reported by the 'Processor' field, which is of the
|
|||
// form of "(v7l)" for an ARMv7-based CPU, and "(v6l)" for
|
|||
// an ARMv6-one. For example, the Raspberry Pi is one popular
|
|||
// ARMv6 device that reports architecture 7.
|
|||
if (architecture_ == 7) { |
|||
char* processor = cpu_info.ExtractField("Processor"); |
|||
if (HasListItem(processor, "(v6l)")) { |
|||
architecture_ = 6; |
|||
} |
|||
delete[] processor; |
|||
} |
|||
} |
|||
|
|||
// Try to extract the list of CPU features from ELF hwcaps.
|
|||
uint32_t hwcaps = ReadELFHWCaps(); |
|||
if (hwcaps != 0) { |
|||
has_idiva_ = (hwcaps & HWCAP_IDIVA) != 0; |
|||
has_neon_ = (hwcaps & HWCAP_NEON) != 0; |
|||
has_thumbee_ = (hwcaps & HWCAP_THUMBEE) != 0; |
|||
has_vfp_ = (hwcaps & HWCAP_VFP) != 0; |
|||
has_vfp3_ = (hwcaps & (HWCAP_VFPv3 | HWCAP_VFPv3D16 | HWCAP_VFPv4)) != 0; |
|||
has_vfp3_d32_ = (has_vfp3_ && ((hwcaps & HWCAP_VFPv3D16) == 0 || |
|||
(hwcaps & HWCAP_VFPD32) != 0)); |
|||
} else { |
|||
// Try to fallback to "Features" CPUInfo field.
|
|||
char* features = cpu_info.ExtractField("Features"); |
|||
has_idiva_ = HasListItem(features, "idiva"); |
|||
has_neon_ = HasListItem(features, "neon"); |
|||
has_thumbee_ = HasListItem(features, "thumbee"); |
|||
has_vfp_ = HasListItem(features, "vfp"); |
|||
if (HasListItem(features, "vfpv3")) { |
|||
has_vfp3_ = true; |
|||
has_vfp3_d32_ = true; |
|||
} else if (HasListItem(features, "vfpv3d16")) { |
|||
has_vfp3_ = true; |
|||
} |
|||
delete[] features; |
|||
} |
|||
|
|||
// Some old kernels will report vfp not vfpv3. Here we make an attempt
|
|||
// to detect vfpv3 by checking for vfp *and* neon, since neon is only
|
|||
// available on architectures with vfpv3. Checking neon on its own is
|
|||
// not enough as it is possible to have neon without vfp.
|
|||
if (has_vfp_ && has_neon_) { |
|||
has_vfp3_ = true; |
|||
} |
|||
|
|||
// VFPv3 implies ARMv7, see ARM DDI 0406B, page A1-6.
|
|||
if (architecture_ < 7 && has_vfp3_) { |
|||
architecture_ = 7; |
|||
} |
|||
|
|||
// ARMv7 implies ThumbEE.
|
|||
if (architecture_ >= 7) { |
|||
has_thumbee_ = true; |
|||
} |
|||
|
|||
// The earliest architecture with ThumbEE is ARMv6T2.
|
|||
if (has_thumbee_ && architecture_ < 6) { |
|||
architecture_ = 6; |
|||
} |
|||
|
|||
// We don't support any FPUs other than VFP.
|
|||
has_fpu_ = has_vfp_; |
|||
#elif V8_HOST_ARCH_MIPS |
|||
// Simple detection of FPU at runtime for Linux.
|
|||
// It is based on /proc/cpuinfo, which reveals hardware configuration
|
|||
// to user-space applications. According to MIPS (early 2010), no similar
|
|||
// facility is universally available on the MIPS architectures,
|
|||
// so it's up to individual OSes to provide such.
|
|||
CPUInfo cpu_info; |
|||
char* cpu_model = cpu_info.ExtractField("cpu model"); |
|||
has_fpu_ = HasListItem(cpu_model, "FPU"); |
|||
delete[] cpu_model; |
|||
#endif |
|||
} |
|||
|
|||
|
|||
// static
|
|||
int CPU::NumberOfProcessorsOnline() { |
|||
#if V8_OS_WIN |
|||
SYSTEM_INFO info; |
|||
GetSystemInfo(&info); |
|||
return info.dwNumberOfProcessors; |
|||
#else |
|||
return static_cast<int>(sysconf(_SC_NPROCESSORS_ONLN)); |
|||
#endif |
|||
} |
|||
|
|||
} } // namespace v8::internal
|
|||
@ -1,333 +0,0 @@ |
|||
// Copyright 2013 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.
|
|||
|
|||
#include "break-iterator.h" |
|||
|
|||
#include <string.h> |
|||
|
|||
#include "i18n-utils.h" |
|||
#include "unicode/brkiter.h" |
|||
#include "unicode/locid.h" |
|||
#include "unicode/rbbi.h" |
|||
|
|||
namespace v8_i18n { |
|||
|
|||
static v8::Handle<v8::Value> ThrowUnexpectedObjectError(); |
|||
static icu::UnicodeString* ResetAdoptedText(v8::Handle<v8::Object>, |
|||
v8::Handle<v8::Value>); |
|||
static icu::BreakIterator* InitializeBreakIterator(v8::Handle<v8::String>, |
|||
v8::Handle<v8::Object>, |
|||
v8::Handle<v8::Object>); |
|||
static icu::BreakIterator* CreateICUBreakIterator(const icu::Locale&, |
|||
v8::Handle<v8::Object>); |
|||
static void SetResolvedSettings(const icu::Locale&, |
|||
icu::BreakIterator*, |
|||
v8::Handle<v8::Object>); |
|||
|
|||
icu::BreakIterator* BreakIterator::UnpackBreakIterator( |
|||
v8::Handle<v8::Object> obj) { |
|||
v8::HandleScope handle_scope; |
|||
|
|||
// v8::ObjectTemplate doesn't have HasInstance method so we can't check
|
|||
// if obj is an instance of BreakIterator class. We'll check for a property
|
|||
// that has to be in the object. The same applies to other services, like
|
|||
// Collator and DateTimeFormat.
|
|||
if (obj->HasOwnProperty(v8::String::New("breakIterator"))) { |
|||
return static_cast<icu::BreakIterator*>( |
|||
obj->GetAlignedPointerFromInternalField(0)); |
|||
} |
|||
|
|||
return NULL; |
|||
} |
|||
|
|||
void BreakIterator::DeleteBreakIterator(v8::Isolate* isolate, |
|||
v8::Persistent<v8::Object>* object, |
|||
void* param) { |
|||
// First delete the hidden C++ object.
|
|||
// Unpacking should never return NULL here. That would only happen if
|
|||
// this method is used as the weak callback for persistent handles not
|
|||
// pointing to a break iterator.
|
|||
v8::HandleScope handle_scope(isolate); |
|||
v8::Local<v8::Object> handle = v8::Local<v8::Object>::New(isolate, *object); |
|||
delete UnpackBreakIterator(handle); |
|||
|
|||
delete static_cast<icu::UnicodeString*>( |
|||
handle->GetAlignedPointerFromInternalField(1)); |
|||
|
|||
// Then dispose of the persistent handle to JS object.
|
|||
object->Dispose(isolate); |
|||
} |
|||
|
|||
|
|||
// Throws a JavaScript exception.
|
|||
static v8::Handle<v8::Value> ThrowUnexpectedObjectError() { |
|||
// Returns undefined, and schedules an exception to be thrown.
|
|||
return v8::ThrowException(v8::Exception::Error( |
|||
v8::String::New("BreakIterator method called on an object " |
|||
"that is not a BreakIterator."))); |
|||
} |
|||
|
|||
|
|||
// Deletes the old value and sets the adopted text in corresponding
|
|||
// JavaScript object.
|
|||
icu::UnicodeString* ResetAdoptedText( |
|||
v8::Handle<v8::Object> obj, v8::Handle<v8::Value> value) { |
|||
// Get the previous value from the internal field.
|
|||
icu::UnicodeString* text = static_cast<icu::UnicodeString*>( |
|||
obj->GetAlignedPointerFromInternalField(1)); |
|||
delete text; |
|||
|
|||
// Assign new value to the internal pointer.
|
|||
v8::String::Value text_value(value); |
|||
text = new icu::UnicodeString( |
|||
reinterpret_cast<const UChar*>(*text_value), text_value.length()); |
|||
obj->SetAlignedPointerInInternalField(1, text); |
|||
|
|||
// Return new unicode string pointer.
|
|||
return text; |
|||
} |
|||
|
|||
void BreakIterator::JSInternalBreakIteratorAdoptText( |
|||
const v8::FunctionCallbackInfo<v8::Value>& args) { |
|||
if (args.Length() != 2 || !args[0]->IsObject() || !args[1]->IsString()) { |
|||
v8::ThrowException(v8::Exception::Error( |
|||
v8::String::New( |
|||
"Internal error. Iterator and text have to be specified."))); |
|||
return; |
|||
} |
|||
|
|||
icu::BreakIterator* break_iterator = UnpackBreakIterator(args[0]->ToObject()); |
|||
if (!break_iterator) { |
|||
ThrowUnexpectedObjectError(); |
|||
return; |
|||
} |
|||
|
|||
break_iterator->setText(*ResetAdoptedText(args[0]->ToObject(), args[1])); |
|||
} |
|||
|
|||
void BreakIterator::JSInternalBreakIteratorFirst( |
|||
const v8::FunctionCallbackInfo<v8::Value>& args) { |
|||
icu::BreakIterator* break_iterator = UnpackBreakIterator(args[0]->ToObject()); |
|||
if (!break_iterator) { |
|||
ThrowUnexpectedObjectError(); |
|||
return; |
|||
} |
|||
|
|||
args.GetReturnValue().Set(static_cast<int32_t>(break_iterator->first())); |
|||
} |
|||
|
|||
void BreakIterator::JSInternalBreakIteratorNext( |
|||
const v8::FunctionCallbackInfo<v8::Value>& args) { |
|||
icu::BreakIterator* break_iterator = UnpackBreakIterator(args[0]->ToObject()); |
|||
if (!break_iterator) { |
|||
ThrowUnexpectedObjectError(); |
|||
return; |
|||
} |
|||
|
|||
args.GetReturnValue().Set(static_cast<int32_t>(break_iterator->next())); |
|||
} |
|||
|
|||
void BreakIterator::JSInternalBreakIteratorCurrent( |
|||
const v8::FunctionCallbackInfo<v8::Value>& args) { |
|||
icu::BreakIterator* break_iterator = UnpackBreakIterator(args[0]->ToObject()); |
|||
if (!break_iterator) { |
|||
ThrowUnexpectedObjectError(); |
|||
return; |
|||
} |
|||
|
|||
args.GetReturnValue().Set(static_cast<int32_t>(break_iterator->current())); |
|||
} |
|||
|
|||
void BreakIterator::JSInternalBreakIteratorBreakType( |
|||
const v8::FunctionCallbackInfo<v8::Value>& args) { |
|||
icu::BreakIterator* break_iterator = UnpackBreakIterator(args[0]->ToObject()); |
|||
if (!break_iterator) { |
|||
ThrowUnexpectedObjectError(); |
|||
return; |
|||
} |
|||
|
|||
// TODO(cira): Remove cast once ICU fixes base BreakIterator class.
|
|||
icu::RuleBasedBreakIterator* rule_based_iterator = |
|||
static_cast<icu::RuleBasedBreakIterator*>(break_iterator); |
|||
int32_t status = rule_based_iterator->getRuleStatus(); |
|||
// Keep return values in sync with JavaScript BreakType enum.
|
|||
v8::Handle<v8::String> result; |
|||
if (status >= UBRK_WORD_NONE && status < UBRK_WORD_NONE_LIMIT) { |
|||
result = v8::String::New("none"); |
|||
} else if (status >= UBRK_WORD_NUMBER && status < UBRK_WORD_NUMBER_LIMIT) { |
|||
result = v8::String::New("number"); |
|||
} else if (status >= UBRK_WORD_LETTER && status < UBRK_WORD_LETTER_LIMIT) { |
|||
result = v8::String::New("letter"); |
|||
} else if (status >= UBRK_WORD_KANA && status < UBRK_WORD_KANA_LIMIT) { |
|||
result = v8::String::New("kana"); |
|||
} else if (status >= UBRK_WORD_IDEO && status < UBRK_WORD_IDEO_LIMIT) { |
|||
result = v8::String::New("ideo"); |
|||
} else { |
|||
result = v8::String::New("unknown"); |
|||
} |
|||
args.GetReturnValue().Set(result); |
|||
} |
|||
|
|||
void BreakIterator::JSCreateBreakIterator( |
|||
const v8::FunctionCallbackInfo<v8::Value>& args) { |
|||
if (args.Length() != 3 || !args[0]->IsString() || !args[1]->IsObject() || |
|||
!args[2]->IsObject()) { |
|||
v8::ThrowException(v8::Exception::Error( |
|||
v8::String::New("Internal error, wrong parameters."))); |
|||
return; |
|||
} |
|||
|
|||
v8::Isolate* isolate = args.GetIsolate(); |
|||
v8::Local<v8::ObjectTemplate> break_iterator_template = |
|||
Utils::GetTemplate2(isolate); |
|||
|
|||
// Create an empty object wrapper.
|
|||
v8::Local<v8::Object> local_object = break_iterator_template->NewInstance(); |
|||
// But the handle shouldn't be empty.
|
|||
// That can happen if there was a stack overflow when creating the object.
|
|||
if (local_object.IsEmpty()) { |
|||
args.GetReturnValue().Set(local_object); |
|||
return; |
|||
} |
|||
|
|||
// Set break iterator as internal field of the resulting JS object.
|
|||
icu::BreakIterator* break_iterator = InitializeBreakIterator( |
|||
args[0]->ToString(), args[1]->ToObject(), args[2]->ToObject()); |
|||
|
|||
if (!break_iterator) { |
|||
v8::ThrowException(v8::Exception::Error(v8::String::New( |
|||
"Internal error. Couldn't create ICU break iterator."))); |
|||
return; |
|||
} else { |
|||
local_object->SetAlignedPointerInInternalField(0, break_iterator); |
|||
// Make sure that the pointer to adopted text is NULL.
|
|||
local_object->SetAlignedPointerInInternalField(1, NULL); |
|||
|
|||
v8::TryCatch try_catch; |
|||
local_object->Set(v8::String::New("breakIterator"), |
|||
v8::String::New("valid")); |
|||
if (try_catch.HasCaught()) { |
|||
v8::ThrowException(v8::Exception::Error( |
|||
v8::String::New("Internal error, couldn't set property."))); |
|||
return; |
|||
} |
|||
} |
|||
|
|||
v8::Persistent<v8::Object> wrapper(isolate, local_object); |
|||
// Make object handle weak so we can delete iterator once GC kicks in.
|
|||
wrapper.MakeWeak<void>(NULL, &DeleteBreakIterator); |
|||
args.GetReturnValue().Set(wrapper); |
|||
wrapper.ClearAndLeak(); |
|||
} |
|||
|
|||
static icu::BreakIterator* InitializeBreakIterator( |
|||
v8::Handle<v8::String> locale, |
|||
v8::Handle<v8::Object> options, |
|||
v8::Handle<v8::Object> resolved) { |
|||
// Convert BCP47 into ICU locale format.
|
|||
UErrorCode status = U_ZERO_ERROR; |
|||
icu::Locale icu_locale; |
|||
char icu_result[ULOC_FULLNAME_CAPACITY]; |
|||
int icu_length = 0; |
|||
v8::String::AsciiValue bcp47_locale(locale); |
|||
if (bcp47_locale.length() != 0) { |
|||
uloc_forLanguageTag(*bcp47_locale, icu_result, ULOC_FULLNAME_CAPACITY, |
|||
&icu_length, &status); |
|||
if (U_FAILURE(status) || icu_length == 0) { |
|||
return NULL; |
|||
} |
|||
icu_locale = icu::Locale(icu_result); |
|||
} |
|||
|
|||
icu::BreakIterator* break_iterator = |
|||
CreateICUBreakIterator(icu_locale, options); |
|||
if (!break_iterator) { |
|||
// Remove extensions and try again.
|
|||
icu::Locale no_extension_locale(icu_locale.getBaseName()); |
|||
break_iterator = CreateICUBreakIterator(no_extension_locale, options); |
|||
|
|||
// Set resolved settings (locale).
|
|||
SetResolvedSettings(no_extension_locale, break_iterator, resolved); |
|||
} else { |
|||
SetResolvedSettings(icu_locale, break_iterator, resolved); |
|||
} |
|||
|
|||
return break_iterator; |
|||
} |
|||
|
|||
static icu::BreakIterator* CreateICUBreakIterator( |
|||
const icu::Locale& icu_locale, v8::Handle<v8::Object> options) { |
|||
UErrorCode status = U_ZERO_ERROR; |
|||
icu::BreakIterator* break_iterator = NULL; |
|||
icu::UnicodeString type; |
|||
if (!Utils::ExtractStringSetting(options, "type", &type)) { |
|||
// Type had to be in the options. This would be an internal error.
|
|||
return NULL; |
|||
} |
|||
|
|||
if (type == UNICODE_STRING_SIMPLE("character")) { |
|||
break_iterator = |
|||
icu::BreakIterator::createCharacterInstance(icu_locale, status); |
|||
} else if (type == UNICODE_STRING_SIMPLE("sentence")) { |
|||
break_iterator = |
|||
icu::BreakIterator::createSentenceInstance(icu_locale, status); |
|||
} else if (type == UNICODE_STRING_SIMPLE("line")) { |
|||
break_iterator = |
|||
icu::BreakIterator::createLineInstance(icu_locale, status); |
|||
} else { |
|||
// Defualt is word iterator.
|
|||
break_iterator = |
|||
icu::BreakIterator::createWordInstance(icu_locale, status); |
|||
} |
|||
|
|||
if (U_FAILURE(status)) { |
|||
delete break_iterator; |
|||
return NULL; |
|||
} |
|||
|
|||
return break_iterator; |
|||
} |
|||
|
|||
static void SetResolvedSettings(const icu::Locale& icu_locale, |
|||
icu::BreakIterator* date_format, |
|||
v8::Handle<v8::Object> resolved) { |
|||
UErrorCode status = U_ZERO_ERROR; |
|||
|
|||
// Set the locale
|
|||
char result[ULOC_FULLNAME_CAPACITY]; |
|||
status = U_ZERO_ERROR; |
|||
uloc_toLanguageTag( |
|||
icu_locale.getName(), result, ULOC_FULLNAME_CAPACITY, FALSE, &status); |
|||
if (U_SUCCESS(status)) { |
|||
resolved->Set(v8::String::New("locale"), v8::String::New(result)); |
|||
} else { |
|||
// This would never happen, since we got the locale from ICU.
|
|||
resolved->Set(v8::String::New("locale"), v8::String::New("und")); |
|||
} |
|||
} |
|||
|
|||
} // namespace v8_i18n
|
|||
@ -1,85 +0,0 @@ |
|||
// Copyright 2013 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.
|
|||
// limitations under the License.
|
|||
|
|||
#ifndef V8_EXTENSIONS_I18N_BREAK_ITERATOR_H_ |
|||
#define V8_EXTENSIONS_I18N_BREAK_ITERATOR_H_ |
|||
|
|||
#include "unicode/uversion.h" |
|||
#include "v8.h" |
|||
|
|||
namespace U_ICU_NAMESPACE { |
|||
class BreakIterator; |
|||
class UnicodeString; |
|||
} |
|||
|
|||
namespace v8_i18n { |
|||
|
|||
class BreakIterator { |
|||
public: |
|||
static void JSCreateBreakIterator( |
|||
const v8::FunctionCallbackInfo<v8::Value>& args); |
|||
|
|||
// Helper methods for various bindings.
|
|||
|
|||
// Unpacks iterator object from corresponding JavaScript object.
|
|||
static icu::BreakIterator* UnpackBreakIterator(v8::Handle<v8::Object> obj); |
|||
|
|||
// Release memory we allocated for the BreakIterator once the JS object that
|
|||
// holds the pointer gets garbage collected.
|
|||
static void DeleteBreakIterator(v8::Isolate* isolate, |
|||
v8::Persistent<v8::Object>* object, |
|||
void* param); |
|||
|
|||
// Assigns new text to the iterator.
|
|||
static void JSInternalBreakIteratorAdoptText( |
|||
const v8::FunctionCallbackInfo<v8::Value>& args); |
|||
|
|||
// Moves iterator to the beginning of the string and returns new position.
|
|||
static void JSInternalBreakIteratorFirst( |
|||
const v8::FunctionCallbackInfo<v8::Value>& args); |
|||
|
|||
// Moves iterator to the next position and returns it.
|
|||
static void JSInternalBreakIteratorNext( |
|||
const v8::FunctionCallbackInfo<v8::Value>& args); |
|||
|
|||
// Returns current iterator's current position.
|
|||
static void JSInternalBreakIteratorCurrent( |
|||
const v8::FunctionCallbackInfo<v8::Value>& args); |
|||
|
|||
// Returns type of the item from current position.
|
|||
// This call is only valid for word break iterators. Others just return 0.
|
|||
static void JSInternalBreakIteratorBreakType( |
|||
const v8::FunctionCallbackInfo<v8::Value>& args); |
|||
|
|||
private: |
|||
BreakIterator() {} |
|||
}; |
|||
|
|||
} // namespace v8_i18n
|
|||
|
|||
#endif // V8_EXTENSIONS_I18N_BREAK_ITERATOR_H_
|
|||
@ -1,197 +0,0 @@ |
|||
// Copyright 2013 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.
|
|||
// limitations under the License.
|
|||
|
|||
// ECMAScript 402 API implementation is broken into separate files for
|
|||
// each service. The build system combines them together into one
|
|||
// Intl namespace.
|
|||
|
|||
/** |
|||
* Initializes the given object so it's a valid BreakIterator instance. |
|||
* Useful for subclassing. |
|||
*/ |
|||
function initializeBreakIterator(iterator, locales, options) { |
|||
native function NativeJSCreateBreakIterator(); |
|||
|
|||
if (iterator.hasOwnProperty('__initializedIntlObject')) { |
|||
throw new TypeError('Trying to re-initialize v8BreakIterator object.'); |
|||
} |
|||
|
|||
if (options === undefined) { |
|||
options = {}; |
|||
} |
|||
|
|||
var getOption = getGetOption(options, 'breakiterator'); |
|||
|
|||
var internalOptions = {}; |
|||
|
|||
defineWEProperty(internalOptions, 'type', getOption( |
|||
'type', 'string', ['character', 'word', 'sentence', 'line'], 'word')); |
|||
|
|||
var locale = resolveLocale('breakiterator', locales, options); |
|||
var resolved = Object.defineProperties({}, { |
|||
requestedLocale: {value: locale.locale, writable: true}, |
|||
type: {value: internalOptions.type, writable: true}, |
|||
locale: {writable: true} |
|||
}); |
|||
|
|||
var internalIterator = NativeJSCreateBreakIterator(locale.locale, |
|||
internalOptions, |
|||
resolved); |
|||
|
|||
Object.defineProperty(iterator, 'iterator', {value: internalIterator}); |
|||
Object.defineProperty(iterator, 'resolved', {value: resolved}); |
|||
Object.defineProperty(iterator, '__initializedIntlObject', |
|||
{value: 'breakiterator'}); |
|||
|
|||
return iterator; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Constructs Intl.v8BreakIterator object given optional locales and options |
|||
* parameters. |
|||
* |
|||
* @constructor |
|||
*/ |
|||
%SetProperty(Intl, 'v8BreakIterator', function() { |
|||
var locales = arguments[0]; |
|||
var options = arguments[1]; |
|||
|
|||
if (!this || this === Intl) { |
|||
// Constructor is called as a function.
|
|||
return new Intl.v8BreakIterator(locales, options); |
|||
} |
|||
|
|||
return initializeBreakIterator(toObject(this), locales, options); |
|||
}, |
|||
ATTRIBUTES.DONT_ENUM |
|||
); |
|||
|
|||
|
|||
/** |
|||
* BreakIterator resolvedOptions method. |
|||
*/ |
|||
%SetProperty(Intl.v8BreakIterator.prototype, 'resolvedOptions', function() { |
|||
if (%_IsConstructCall()) { |
|||
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
|||
} |
|||
|
|||
if (!this || typeof this !== 'object' || |
|||
this.__initializedIntlObject !== 'breakiterator') { |
|||
throw new TypeError('resolvedOptions method called on a non-object or ' + |
|||
'on a object that is not Intl.v8BreakIterator.'); |
|||
} |
|||
|
|||
var segmenter = this; |
|||
var locale = getOptimalLanguageTag(segmenter.resolved.requestedLocale, |
|||
segmenter.resolved.locale); |
|||
|
|||
return { |
|||
locale: locale, |
|||
type: segmenter.resolved.type |
|||
}; |
|||
}, |
|||
ATTRIBUTES.DONT_ENUM |
|||
); |
|||
%FunctionSetName(Intl.v8BreakIterator.prototype.resolvedOptions, |
|||
'resolvedOptions'); |
|||
%FunctionRemovePrototype(Intl.v8BreakIterator.prototype.resolvedOptions); |
|||
%SetNativeFlag(Intl.v8BreakIterator.prototype.resolvedOptions); |
|||
|
|||
|
|||
/** |
|||
* Returns the subset of the given locale list for which this locale list |
|||
* has a matching (possibly fallback) locale. Locales appear in the same |
|||
* order in the returned list as in the input list. |
|||
* Options are optional parameter. |
|||
*/ |
|||
%SetProperty(Intl.v8BreakIterator, 'supportedLocalesOf', function(locales) { |
|||
if (%_IsConstructCall()) { |
|||
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
|||
} |
|||
|
|||
return supportedLocalesOf('breakiterator', locales, arguments[1]); |
|||
}, |
|||
ATTRIBUTES.DONT_ENUM |
|||
); |
|||
%FunctionSetName(Intl.v8BreakIterator.supportedLocalesOf, 'supportedLocalesOf'); |
|||
%FunctionRemovePrototype(Intl.v8BreakIterator.supportedLocalesOf); |
|||
%SetNativeFlag(Intl.v8BreakIterator.supportedLocalesOf); |
|||
|
|||
|
|||
/** |
|||
* Adopts text to segment using the iterator. Old text, if present, |
|||
* gets discarded. |
|||
*/ |
|||
function adoptText(iterator, text) { |
|||
native function NativeJSBreakIteratorAdoptText(); |
|||
NativeJSBreakIteratorAdoptText(iterator.iterator, String(text)); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns index of the first break in the string and moves current pointer. |
|||
*/ |
|||
function first(iterator) { |
|||
native function NativeJSBreakIteratorFirst(); |
|||
return NativeJSBreakIteratorFirst(iterator.iterator); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns the index of the next break and moves the pointer. |
|||
*/ |
|||
function next(iterator) { |
|||
native function NativeJSBreakIteratorNext(); |
|||
return NativeJSBreakIteratorNext(iterator.iterator); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns index of the current break. |
|||
*/ |
|||
function current(iterator) { |
|||
native function NativeJSBreakIteratorCurrent(); |
|||
return NativeJSBreakIteratorCurrent(iterator.iterator); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns type of the current break. |
|||
*/ |
|||
function breakType(iterator) { |
|||
native function NativeJSBreakIteratorBreakType(); |
|||
return NativeJSBreakIteratorBreakType(iterator.iterator); |
|||
} |
|||
|
|||
|
|||
addBoundMethod(Intl.v8BreakIterator, 'adoptText', adoptText, 1); |
|||
addBoundMethod(Intl.v8BreakIterator, 'first', first, 0); |
|||
addBoundMethod(Intl.v8BreakIterator, 'next', next, 0); |
|||
addBoundMethod(Intl.v8BreakIterator, 'current', current, 0); |
|||
addBoundMethod(Intl.v8BreakIterator, 'breakType', breakType, 0); |
|||
@ -1,209 +0,0 @@ |
|||
// Copyright 2013 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.
|
|||
// limitations under the License.
|
|||
|
|||
// ECMAScript 402 API implementation is broken into separate files for
|
|||
// each service. The build system combines them together into one
|
|||
// Intl namespace.
|
|||
|
|||
/** |
|||
* Initializes the given object so it's a valid Collator instance. |
|||
* Useful for subclassing. |
|||
*/ |
|||
function initializeCollator(collator, locales, options) { |
|||
if (collator.hasOwnProperty('__initializedIntlObject')) { |
|||
throw new TypeError('Trying to re-initialize Collator object.'); |
|||
} |
|||
|
|||
if (options === undefined) { |
|||
options = {}; |
|||
} |
|||
|
|||
var getOption = getGetOption(options, 'collator'); |
|||
|
|||
var internalOptions = {}; |
|||
|
|||
defineWEProperty(internalOptions, 'usage', getOption( |
|||
'usage', 'string', ['sort', 'search'], 'sort')); |
|||
|
|||
var sensitivity = getOption('sensitivity', 'string', |
|||
['base', 'accent', 'case', 'variant']); |
|||
if (sensitivity === undefined && internalOptions.usage === 'sort') { |
|||
sensitivity = 'variant'; |
|||
} |
|||
defineWEProperty(internalOptions, 'sensitivity', sensitivity); |
|||
|
|||
defineWEProperty(internalOptions, 'ignorePunctuation', getOption( |
|||
'ignorePunctuation', 'boolean', undefined, false)); |
|||
|
|||
var locale = resolveLocale('collator', locales, options); |
|||
|
|||
// ICU can't take kb, kc... parameters through localeID, so we need to pass
|
|||
// them as options.
|
|||
// One exception is -co- which has to be part of the extension, but only for
|
|||
// usage: sort, and its value can't be 'standard' or 'search'.
|
|||
var extensionMap = parseExtension(locale.extension); |
|||
setOptions( |
|||
options, extensionMap, COLLATOR_KEY_MAP, getOption, internalOptions); |
|||
|
|||
var collation = 'default'; |
|||
var extension = ''; |
|||
if (extensionMap.hasOwnProperty('co') && internalOptions.usage === 'sort') { |
|||
if (ALLOWED_CO_VALUES.indexOf(extensionMap.co) !== -1) { |
|||
extension = '-u-co-' + extensionMap.co; |
|||
// ICU can't tell us what the collation is, so save user's input.
|
|||
collation = extensionMap.co; |
|||
} |
|||
} else if (internalOptions.usage === 'search') { |
|||
extension = '-u-co-search'; |
|||
} |
|||
defineWEProperty(internalOptions, 'collation', collation); |
|||
|
|||
var requestedLocale = locale.locale + extension; |
|||
|
|||
// We define all properties C++ code may produce, to prevent security
|
|||
// problems. If malicious user decides to redefine Object.prototype.locale
|
|||
// we can't just use plain x.locale = 'us' or in C++ Set("locale", "us").
|
|||
// Object.defineProperties will either succeed defining or throw an error.
|
|||
var resolved = Object.defineProperties({}, { |
|||
caseFirst: {writable: true}, |
|||
collation: {value: internalOptions.collation, writable: true}, |
|||
ignorePunctuation: {writable: true}, |
|||
locale: {writable: true}, |
|||
numeric: {writable: true}, |
|||
requestedLocale: {value: requestedLocale, writable: true}, |
|||
sensitivity: {writable: true}, |
|||
strength: {writable: true}, |
|||
usage: {value: internalOptions.usage, writable: true} |
|||
}); |
|||
|
|||
var internalCollator = %CreateCollator(requestedLocale, |
|||
internalOptions, |
|||
resolved); |
|||
|
|||
// Writable, configurable and enumerable are set to false by default.
|
|||
Object.defineProperty(collator, 'collator', {value: internalCollator}); |
|||
Object.defineProperty(collator, '__initializedIntlObject', |
|||
{value: 'collator'}); |
|||
Object.defineProperty(collator, 'resolved', {value: resolved}); |
|||
|
|||
return collator; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Constructs Intl.Collator object given optional locales and options |
|||
* parameters. |
|||
* |
|||
* @constructor |
|||
*/ |
|||
%SetProperty(Intl, 'Collator', function() { |
|||
var locales = arguments[0]; |
|||
var options = arguments[1]; |
|||
|
|||
if (!this || this === Intl) { |
|||
// Constructor is called as a function.
|
|||
return new Intl.Collator(locales, options); |
|||
} |
|||
|
|||
return initializeCollator(toObject(this), locales, options); |
|||
}, |
|||
ATTRIBUTES.DONT_ENUM |
|||
); |
|||
|
|||
|
|||
/** |
|||
* Collator resolvedOptions method. |
|||
*/ |
|||
%SetProperty(Intl.Collator.prototype, 'resolvedOptions', function() { |
|||
if (%_IsConstructCall()) { |
|||
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
|||
} |
|||
|
|||
if (!this || typeof this !== 'object' || |
|||
this.__initializedIntlObject !== 'collator') { |
|||
throw new TypeError('resolvedOptions method called on a non-object ' + |
|||
'or on a object that is not Intl.Collator.'); |
|||
} |
|||
|
|||
var coll = this; |
|||
var locale = getOptimalLanguageTag(coll.resolved.requestedLocale, |
|||
coll.resolved.locale); |
|||
|
|||
return { |
|||
locale: locale, |
|||
usage: coll.resolved.usage, |
|||
sensitivity: coll.resolved.sensitivity, |
|||
ignorePunctuation: coll.resolved.ignorePunctuation, |
|||
numeric: coll.resolved.numeric, |
|||
caseFirst: coll.resolved.caseFirst, |
|||
collation: coll.resolved.collation |
|||
}; |
|||
}, |
|||
ATTRIBUTES.DONT_ENUM |
|||
); |
|||
%FunctionSetName(Intl.Collator.prototype.resolvedOptions, 'resolvedOptions'); |
|||
%FunctionRemovePrototype(Intl.Collator.prototype.resolvedOptions); |
|||
%SetNativeFlag(Intl.Collator.prototype.resolvedOptions); |
|||
|
|||
|
|||
/** |
|||
* Returns the subset of the given locale list for which this locale list |
|||
* has a matching (possibly fallback) locale. Locales appear in the same |
|||
* order in the returned list as in the input list. |
|||
* Options are optional parameter. |
|||
*/ |
|||
%SetProperty(Intl.Collator, 'supportedLocalesOf', function(locales) { |
|||
if (%_IsConstructCall()) { |
|||
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
|||
} |
|||
|
|||
return supportedLocalesOf('collator', locales, arguments[1]); |
|||
}, |
|||
ATTRIBUTES.DONT_ENUM |
|||
); |
|||
%FunctionSetName(Intl.Collator.supportedLocalesOf, 'supportedLocalesOf'); |
|||
%FunctionRemovePrototype(Intl.Collator.supportedLocalesOf); |
|||
%SetNativeFlag(Intl.Collator.supportedLocalesOf); |
|||
|
|||
|
|||
/** |
|||
* When the compare method is called with two arguments x and y, it returns a |
|||
* Number other than NaN that represents the result of a locale-sensitive |
|||
* String comparison of x with y. |
|||
* The result is intended to order String values in the sort order specified |
|||
* by the effective locale and collation options computed during construction |
|||
* of this Collator object, and will be negative, zero, or positive, depending |
|||
* on whether x comes before y in the sort order, the Strings are equal under |
|||
* the sort order, or x comes after y in the sort order, respectively. |
|||
*/ |
|||
function compare(collator, x, y) { |
|||
return %InternalCompare(collator.collator, String(x), String(y)); |
|||
}; |
|||
|
|||
|
|||
addBoundMethod(Intl.Collator, 'compare', compare, 2); |
|||
@ -1,474 +0,0 @@ |
|||
// Copyright 2013 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.
|
|||
// limitations under the License.
|
|||
|
|||
// ECMAScript 402 API implementation is broken into separate files for
|
|||
// each service. The build system combines them together into one
|
|||
// Intl namespace.
|
|||
|
|||
/** |
|||
* Returns a string that matches LDML representation of the options object. |
|||
*/ |
|||
function toLDMLString(options) { |
|||
var getOption = getGetOption(options, 'dateformat'); |
|||
|
|||
var ldmlString = ''; |
|||
|
|||
var option = getOption('weekday', 'string', ['narrow', 'short', 'long']); |
|||
ldmlString += appendToLDMLString( |
|||
option, {narrow: 'EEEEE', short: 'EEE', long: 'EEEE'}); |
|||
|
|||
option = getOption('era', 'string', ['narrow', 'short', 'long']); |
|||
ldmlString += appendToLDMLString( |
|||
option, {narrow: 'GGGGG', short: 'GGG', long: 'GGGG'}); |
|||
|
|||
option = getOption('year', 'string', ['2-digit', 'numeric']); |
|||
ldmlString += appendToLDMLString(option, {'2-digit': 'yy', 'numeric': 'y'}); |
|||
|
|||
option = getOption('month', 'string', |
|||
['2-digit', 'numeric', 'narrow', 'short', 'long']); |
|||
ldmlString += appendToLDMLString(option, {'2-digit': 'MM', 'numeric': 'M', |
|||
'narrow': 'MMMMM', 'short': 'MMM', 'long': 'MMMM'}); |
|||
|
|||
option = getOption('day', 'string', ['2-digit', 'numeric']); |
|||
ldmlString += appendToLDMLString( |
|||
option, {'2-digit': 'dd', 'numeric': 'd'}); |
|||
|
|||
var hr12 = getOption('hour12', 'boolean'); |
|||
option = getOption('hour', 'string', ['2-digit', 'numeric']); |
|||
if (hr12 === undefined) { |
|||
ldmlString += appendToLDMLString(option, {'2-digit': 'jj', 'numeric': 'j'}); |
|||
} else if (hr12 === true) { |
|||
ldmlString += appendToLDMLString(option, {'2-digit': 'hh', 'numeric': 'h'}); |
|||
} else { |
|||
ldmlString += appendToLDMLString(option, {'2-digit': 'HH', 'numeric': 'H'}); |
|||
} |
|||
|
|||
option = getOption('minute', 'string', ['2-digit', 'numeric']); |
|||
ldmlString += appendToLDMLString(option, {'2-digit': 'mm', 'numeric': 'm'}); |
|||
|
|||
option = getOption('second', 'string', ['2-digit', 'numeric']); |
|||
ldmlString += appendToLDMLString(option, {'2-digit': 'ss', 'numeric': 's'}); |
|||
|
|||
option = getOption('timeZoneName', 'string', ['short', 'long']); |
|||
ldmlString += appendToLDMLString(option, {short: 'v', long: 'vv'}); |
|||
|
|||
return ldmlString; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns either LDML equivalent of the current option or empty string. |
|||
*/ |
|||
function appendToLDMLString(option, pairs) { |
|||
if (option !== undefined) { |
|||
return pairs[option]; |
|||
} else { |
|||
return ''; |
|||
} |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns object that matches LDML representation of the date. |
|||
*/ |
|||
function fromLDMLString(ldmlString) { |
|||
// First remove '' quoted text, so we lose 'Uhr' strings.
|
|||
ldmlString = ldmlString.replace(QUOTED_STRING_RE, ''); |
|||
|
|||
var options = {}; |
|||
var match = ldmlString.match(/E{3,5}/g); |
|||
options = appendToDateTimeObject( |
|||
options, 'weekday', match, {EEEEE: 'narrow', EEE: 'short', EEEE: 'long'}); |
|||
|
|||
match = ldmlString.match(/G{3,5}/g); |
|||
options = appendToDateTimeObject( |
|||
options, 'era', match, {GGGGG: 'narrow', GGG: 'short', GGGG: 'long'}); |
|||
|
|||
match = ldmlString.match(/y{1,2}/g); |
|||
options = appendToDateTimeObject( |
|||
options, 'year', match, {y: 'numeric', yy: '2-digit'}); |
|||
|
|||
match = ldmlString.match(/M{1,5}/g); |
|||
options = appendToDateTimeObject(options, 'month', match, {MM: '2-digit', |
|||
M: 'numeric', MMMMM: 'narrow', MMM: 'short', MMMM: 'long'}); |
|||
|
|||
// Sometimes we get L instead of M for month - standalone name.
|
|||
match = ldmlString.match(/L{1,5}/g); |
|||
options = appendToDateTimeObject(options, 'month', match, {LL: '2-digit', |
|||
L: 'numeric', LLLLL: 'narrow', LLL: 'short', LLLL: 'long'}); |
|||
|
|||
match = ldmlString.match(/d{1,2}/g); |
|||
options = appendToDateTimeObject( |
|||
options, 'day', match, {d: 'numeric', dd: '2-digit'}); |
|||
|
|||
match = ldmlString.match(/h{1,2}/g); |
|||
if (match !== null) { |
|||
options['hour12'] = true; |
|||
} |
|||
options = appendToDateTimeObject( |
|||
options, 'hour', match, {h: 'numeric', hh: '2-digit'}); |
|||
|
|||
match = ldmlString.match(/H{1,2}/g); |
|||
if (match !== null) { |
|||
options['hour12'] = false; |
|||
} |
|||
options = appendToDateTimeObject( |
|||
options, 'hour', match, {H: 'numeric', HH: '2-digit'}); |
|||
|
|||
match = ldmlString.match(/m{1,2}/g); |
|||
options = appendToDateTimeObject( |
|||
options, 'minute', match, {m: 'numeric', mm: '2-digit'}); |
|||
|
|||
match = ldmlString.match(/s{1,2}/g); |
|||
options = appendToDateTimeObject( |
|||
options, 'second', match, {s: 'numeric', ss: '2-digit'}); |
|||
|
|||
match = ldmlString.match(/v{1,2}/g); |
|||
options = appendToDateTimeObject( |
|||
options, 'timeZoneName', match, {v: 'short', vv: 'long'}); |
|||
|
|||
return options; |
|||
} |
|||
|
|||
|
|||
function appendToDateTimeObject(options, option, match, pairs) { |
|||
if (match === null) { |
|||
if (!options.hasOwnProperty(option)) { |
|||
defineWEProperty(options, option, undefined); |
|||
} |
|||
return options; |
|||
} |
|||
|
|||
var property = match[0]; |
|||
defineWEProperty(options, option, pairs[property]); |
|||
|
|||
return options; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns options with at least default values in it. |
|||
*/ |
|||
function toDateTimeOptions(options, required, defaults) { |
|||
if (options === undefined) { |
|||
options = null; |
|||
} else { |
|||
options = toObject(options); |
|||
} |
|||
|
|||
options = Object.apply(this, [options]); |
|||
|
|||
var needsDefault = true; |
|||
if ((required === 'date' || required === 'any') && |
|||
(options.weekday !== undefined || options.year !== undefined || |
|||
options.month !== undefined || options.day !== undefined)) { |
|||
needsDefault = false; |
|||
} |
|||
|
|||
if ((required === 'time' || required === 'any') && |
|||
(options.hour !== undefined || options.minute !== undefined || |
|||
options.second !== undefined)) { |
|||
needsDefault = false; |
|||
} |
|||
|
|||
if (needsDefault && (defaults === 'date' || defaults === 'all')) { |
|||
Object.defineProperty(options, 'year', {value: 'numeric', |
|||
writable: true, |
|||
enumerable: true, |
|||
configurable: true}); |
|||
Object.defineProperty(options, 'month', {value: 'numeric', |
|||
writable: true, |
|||
enumerable: true, |
|||
configurable: true}); |
|||
Object.defineProperty(options, 'day', {value: 'numeric', |
|||
writable: true, |
|||
enumerable: true, |
|||
configurable: true}); |
|||
} |
|||
|
|||
if (needsDefault && (defaults === 'time' || defaults === 'all')) { |
|||
Object.defineProperty(options, 'hour', {value: 'numeric', |
|||
writable: true, |
|||
enumerable: true, |
|||
configurable: true}); |
|||
Object.defineProperty(options, 'minute', {value: 'numeric', |
|||
writable: true, |
|||
enumerable: true, |
|||
configurable: true}); |
|||
Object.defineProperty(options, 'second', {value: 'numeric', |
|||
writable: true, |
|||
enumerable: true, |
|||
configurable: true}); |
|||
} |
|||
|
|||
return options; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Initializes the given object so it's a valid DateTimeFormat instance. |
|||
* Useful for subclassing. |
|||
*/ |
|||
function initializeDateTimeFormat(dateFormat, locales, options) { |
|||
|
|||
if (dateFormat.hasOwnProperty('__initializedIntlObject')) { |
|||
throw new TypeError('Trying to re-initialize DateTimeFormat object.'); |
|||
} |
|||
|
|||
if (options === undefined) { |
|||
options = {}; |
|||
} |
|||
|
|||
var locale = resolveLocale('dateformat', locales, options); |
|||
|
|||
options = toDateTimeOptions(options, 'any', 'date'); |
|||
|
|||
var getOption = getGetOption(options, 'dateformat'); |
|||
|
|||
// We implement only best fit algorithm, but still need to check
|
|||
// if the formatMatcher values are in range.
|
|||
var matcher = getOption('formatMatcher', 'string', |
|||
['basic', 'best fit'], 'best fit'); |
|||
|
|||
// Build LDML string for the skeleton that we pass to the formatter.
|
|||
var ldmlString = toLDMLString(options); |
|||
|
|||
// Filter out supported extension keys so we know what to put in resolved
|
|||
// section later on.
|
|||
// We need to pass calendar and number system to the method.
|
|||
var tz = canonicalizeTimeZoneID(options.timeZone); |
|||
|
|||
// ICU prefers options to be passed using -u- extension key/values, so
|
|||
// we need to build that.
|
|||
var internalOptions = {}; |
|||
var extensionMap = parseExtension(locale.extension); |
|||
var extension = setOptions(options, extensionMap, DATETIME_FORMAT_KEY_MAP, |
|||
getOption, internalOptions); |
|||
|
|||
var requestedLocale = locale.locale + extension; |
|||
var resolved = Object.defineProperties({}, { |
|||
calendar: {writable: true}, |
|||
day: {writable: true}, |
|||
era: {writable: true}, |
|||
hour12: {writable: true}, |
|||
hour: {writable: true}, |
|||
locale: {writable: true}, |
|||
minute: {writable: true}, |
|||
month: {writable: true}, |
|||
numberingSystem: {writable: true}, |
|||
pattern: {writable: true}, |
|||
requestedLocale: {value: requestedLocale, writable: true}, |
|||
second: {writable: true}, |
|||
timeZone: {writable: true}, |
|||
timeZoneName: {writable: true}, |
|||
tz: {value: tz, writable: true}, |
|||
weekday: {writable: true}, |
|||
year: {writable: true} |
|||
}); |
|||
|
|||
var formatter = %CreateDateTimeFormat( |
|||
requestedLocale, {skeleton: ldmlString, timeZone: tz}, resolved); |
|||
|
|||
if (tz !== undefined && tz !== resolved.timeZone) { |
|||
throw new RangeError('Unsupported time zone specified ' + tz); |
|||
} |
|||
|
|||
Object.defineProperty(dateFormat, 'formatter', {value: formatter}); |
|||
Object.defineProperty(dateFormat, 'resolved', {value: resolved}); |
|||
Object.defineProperty(dateFormat, '__initializedIntlObject', |
|||
{value: 'dateformat'}); |
|||
|
|||
return dateFormat; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Constructs Intl.DateTimeFormat object given optional locales and options |
|||
* parameters. |
|||
* |
|||
* @constructor |
|||
*/ |
|||
%SetProperty(Intl, 'DateTimeFormat', function() { |
|||
var locales = arguments[0]; |
|||
var options = arguments[1]; |
|||
|
|||
if (!this || this === Intl) { |
|||
// Constructor is called as a function.
|
|||
return new Intl.DateTimeFormat(locales, options); |
|||
} |
|||
|
|||
return initializeDateTimeFormat(toObject(this), locales, options); |
|||
}, |
|||
ATTRIBUTES.DONT_ENUM |
|||
); |
|||
|
|||
|
|||
/** |
|||
* DateTimeFormat resolvedOptions method. |
|||
*/ |
|||
%SetProperty(Intl.DateTimeFormat.prototype, 'resolvedOptions', function() { |
|||
if (%_IsConstructCall()) { |
|||
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
|||
} |
|||
|
|||
if (!this || typeof this !== 'object' || |
|||
this.__initializedIntlObject !== 'dateformat') { |
|||
throw new TypeError('resolvedOptions method called on a non-object or ' + |
|||
'on a object that is not Intl.DateTimeFormat.'); |
|||
} |
|||
|
|||
var format = this; |
|||
var fromPattern = fromLDMLString(format.resolved.pattern); |
|||
var userCalendar = ICU_CALENDAR_MAP[format.resolved.calendar]; |
|||
if (userCalendar === undefined) { |
|||
// Use ICU name if we don't have a match. It shouldn't happen, but
|
|||
// it would be too strict to throw for this.
|
|||
userCalendar = format.resolved.calendar; |
|||
} |
|||
|
|||
var locale = getOptimalLanguageTag(format.resolved.requestedLocale, |
|||
format.resolved.locale); |
|||
|
|||
var result = { |
|||
locale: locale, |
|||
numberingSystem: format.resolved.numberingSystem, |
|||
calendar: userCalendar, |
|||
timeZone: format.resolved.timeZone |
|||
}; |
|||
|
|||
addWECPropertyIfDefined(result, 'timeZoneName', fromPattern.timeZoneName); |
|||
addWECPropertyIfDefined(result, 'era', fromPattern.era); |
|||
addWECPropertyIfDefined(result, 'year', fromPattern.year); |
|||
addWECPropertyIfDefined(result, 'month', fromPattern.month); |
|||
addWECPropertyIfDefined(result, 'day', fromPattern.day); |
|||
addWECPropertyIfDefined(result, 'weekday', fromPattern.weekday); |
|||
addWECPropertyIfDefined(result, 'hour12', fromPattern.hour12); |
|||
addWECPropertyIfDefined(result, 'hour', fromPattern.hour); |
|||
addWECPropertyIfDefined(result, 'minute', fromPattern.minute); |
|||
addWECPropertyIfDefined(result, 'second', fromPattern.second); |
|||
|
|||
return result; |
|||
}, |
|||
ATTRIBUTES.DONT_ENUM |
|||
); |
|||
%FunctionSetName(Intl.DateTimeFormat.prototype.resolvedOptions, |
|||
'resolvedOptions'); |
|||
%FunctionRemovePrototype(Intl.DateTimeFormat.prototype.resolvedOptions); |
|||
%SetNativeFlag(Intl.DateTimeFormat.prototype.resolvedOptions); |
|||
|
|||
|
|||
/** |
|||
* Returns the subset of the given locale list for which this locale list |
|||
* has a matching (possibly fallback) locale. Locales appear in the same |
|||
* order in the returned list as in the input list. |
|||
* Options are optional parameter. |
|||
*/ |
|||
%SetProperty(Intl.DateTimeFormat, 'supportedLocalesOf', function(locales) { |
|||
if (%_IsConstructCall()) { |
|||
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
|||
} |
|||
|
|||
return supportedLocalesOf('dateformat', locales, arguments[1]); |
|||
}, |
|||
ATTRIBUTES.DONT_ENUM |
|||
); |
|||
%FunctionSetName(Intl.DateTimeFormat.supportedLocalesOf, 'supportedLocalesOf'); |
|||
%FunctionRemovePrototype(Intl.DateTimeFormat.supportedLocalesOf); |
|||
%SetNativeFlag(Intl.DateTimeFormat.supportedLocalesOf); |
|||
|
|||
|
|||
/** |
|||
* Returns a String value representing the result of calling ToNumber(date) |
|||
* according to the effective locale and the formatting options of this |
|||
* DateTimeFormat. |
|||
*/ |
|||
function formatDate(formatter, dateValue) { |
|||
var dateMs; |
|||
if (dateValue === undefined) { |
|||
dateMs = Date.now(); |
|||
} else { |
|||
dateMs = Number(dateValue); |
|||
} |
|||
|
|||
if (!isFinite(dateMs)) { |
|||
throw new RangeError('Provided date is not in valid range.'); |
|||
} |
|||
|
|||
return %InternalDateFormat(formatter.formatter, new Date(dateMs)); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns a Date object representing the result of calling ToString(value) |
|||
* according to the effective locale and the formatting options of this |
|||
* DateTimeFormat. |
|||
* Returns undefined if date string cannot be parsed. |
|||
*/ |
|||
function parseDate(formatter, value) { |
|||
return %InternalDateParse(formatter.formatter, String(value)); |
|||
} |
|||
|
|||
|
|||
// 0 because date is optional argument.
|
|||
addBoundMethod(Intl.DateTimeFormat, 'format', formatDate, 0); |
|||
addBoundMethod(Intl.DateTimeFormat, 'v8Parse', parseDate, 1); |
|||
|
|||
|
|||
/** |
|||
* Returns canonical Area/Location name, or throws an exception if the zone |
|||
* name is invalid IANA name. |
|||
*/ |
|||
function canonicalizeTimeZoneID(tzID) { |
|||
// Skip undefined zones.
|
|||
if (tzID === undefined) { |
|||
return tzID; |
|||
} |
|||
|
|||
// Special case handling (UTC, GMT).
|
|||
var upperID = tzID.toUpperCase(); |
|||
if (upperID === 'UTC' || upperID === 'GMT' || |
|||
upperID === 'ETC/UTC' || upperID === 'ETC/GMT') { |
|||
return 'UTC'; |
|||
} |
|||
|
|||
// We expect only _ and / beside ASCII letters.
|
|||
// All inputs should conform to Area/Location from now on.
|
|||
var match = TIMEZONE_NAME_CHECK_RE.exec(tzID); |
|||
if (match === null) { |
|||
throw new RangeError('Expected Area/Location for time zone, got ' + tzID); |
|||
} |
|||
|
|||
var result = toTitleCaseWord(match[1]) + '/' + toTitleCaseWord(match[2]); |
|||
var i = 3; |
|||
while (match[i] !== undefined && i < match.length) { |
|||
result = result + '_' + toTitleCaseWord(match[i]); |
|||
i++; |
|||
} |
|||
|
|||
return result; |
|||
} |
|||
@ -1,168 +0,0 @@ |
|||
// Copyright 2013 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.
|
|||
// limitations under the License.
|
|||
|
|||
|
|||
/** |
|||
* List of available services. |
|||
*/ |
|||
var AVAILABLE_SERVICES = ['collator', |
|||
'numberformat', |
|||
'dateformat', |
|||
'breakiterator']; |
|||
|
|||
/** |
|||
* Caches available locales for each service. |
|||
*/ |
|||
var AVAILABLE_LOCALES = { |
|||
'collator': undefined, |
|||
'numberformat': undefined, |
|||
'dateformat': undefined, |
|||
'breakiterator': undefined |
|||
}; |
|||
|
|||
/** |
|||
* Caches default ICU locale. |
|||
*/ |
|||
var DEFAULT_ICU_LOCALE = undefined; |
|||
|
|||
/** |
|||
* Unicode extension regular expression. |
|||
*/ |
|||
var UNICODE_EXTENSION_RE = new RegExp('-u(-[a-z0-9]{2,8})+', 'g'); |
|||
|
|||
/** |
|||
* Matches any Unicode extension. |
|||
*/ |
|||
var ANY_EXTENSION_RE = new RegExp('-[a-z0-9]{1}-.*', 'g'); |
|||
|
|||
/** |
|||
* Replace quoted text (single quote, anything but the quote and quote again). |
|||
*/ |
|||
var QUOTED_STRING_RE = new RegExp("'[^']+'", 'g'); |
|||
|
|||
/** |
|||
* Matches valid service name. |
|||
*/ |
|||
var SERVICE_RE = |
|||
new RegExp('^(collator|numberformat|dateformat|breakiterator)$'); |
|||
|
|||
/** |
|||
* Validates a language tag against bcp47 spec. |
|||
* Actual value is assigned on first run. |
|||
*/ |
|||
var LANGUAGE_TAG_RE = undefined; |
|||
|
|||
/** |
|||
* Helps find duplicate variants in the language tag. |
|||
*/ |
|||
var LANGUAGE_VARIANT_RE = undefined; |
|||
|
|||
/** |
|||
* Helps find duplicate singletons in the language tag. |
|||
*/ |
|||
var LANGUAGE_SINGLETON_RE = undefined; |
|||
|
|||
/** |
|||
* Matches valid IANA time zone names. |
|||
*/ |
|||
var TIMEZONE_NAME_CHECK_RE = |
|||
new RegExp('^([A-Za-z]+)/([A-Za-z]+)(?:_([A-Za-z]+))*$'); |
|||
|
|||
/** |
|||
* Maps ICU calendar names into LDML type. |
|||
*/ |
|||
var ICU_CALENDAR_MAP = { |
|||
'gregorian': 'gregory', |
|||
'japanese': 'japanese', |
|||
'buddhist': 'buddhist', |
|||
'roc': 'roc', |
|||
'persian': 'persian', |
|||
'islamic-civil': 'islamicc', |
|||
'islamic': 'islamic', |
|||
'hebrew': 'hebrew', |
|||
'chinese': 'chinese', |
|||
'indian': 'indian', |
|||
'coptic': 'coptic', |
|||
'ethiopic': 'ethiopic', |
|||
'ethiopic-amete-alem': 'ethioaa' |
|||
}; |
|||
|
|||
/** |
|||
* Map of Unicode extensions to option properties, and their values and types, |
|||
* for a collator. |
|||
*/ |
|||
var COLLATOR_KEY_MAP = { |
|||
'kn': {'property': 'numeric', 'type': 'boolean'}, |
|||
'kf': {'property': 'caseFirst', 'type': 'string', |
|||
'values': ['false', 'lower', 'upper']} |
|||
}; |
|||
|
|||
/** |
|||
* Map of Unicode extensions to option properties, and their values and types, |
|||
* for a number format. |
|||
*/ |
|||
var NUMBER_FORMAT_KEY_MAP = { |
|||
'nu': {'property': undefined, 'type': 'string'} |
|||
}; |
|||
|
|||
/** |
|||
* Map of Unicode extensions to option properties, and their values and types, |
|||
* for a date/time format. |
|||
*/ |
|||
var DATETIME_FORMAT_KEY_MAP = { |
|||
'ca': {'property': undefined, 'type': 'string'}, |
|||
'nu': {'property': undefined, 'type': 'string'} |
|||
}; |
|||
|
|||
/** |
|||
* Allowed -u-co- values. List taken from: |
|||
* http://unicode.org/repos/cldr/trunk/common/bcp47/collation.xml
|
|||
*/ |
|||
var ALLOWED_CO_VALUES = [ |
|||
'big5han', 'dict', 'direct', 'ducet', 'gb2312', 'phonebk', 'phonetic', |
|||
'pinyin', 'reformed', 'searchjl', 'stroke', 'trad', 'unihan', 'zhuyin' |
|||
]; |
|||
|
|||
/** |
|||
* Object attributes (configurable, writable, enumerable). |
|||
* To combine attributes, OR them. |
|||
* Values/names are copied from v8/include/v8.h:PropertyAttribute |
|||
*/ |
|||
var ATTRIBUTES = { |
|||
'NONE': 0, |
|||
'READ_ONLY': 1, |
|||
'DONT_ENUM': 2, |
|||
'DONT_DELETE': 4 |
|||
}; |
|||
|
|||
/** |
|||
* Error message for when function object is created with new and it's not |
|||
* a constructor. |
|||
*/ |
|||
var ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR = |
|||
'Function object that\'s not a constructor was created with new'; |
|||
@ -1,77 +0,0 @@ |
|||
// Copyright 2013 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.
|
|||
// limitations under the License.
|
|||
|
|||
#include "i18n-extension.h" |
|||
|
|||
#include "break-iterator.h" |
|||
#include "natives.h" |
|||
|
|||
using v8::internal::I18NNatives; |
|||
|
|||
namespace v8_i18n { |
|||
|
|||
Extension::Extension() |
|||
: v8::Extension("v8/i18n", |
|||
reinterpret_cast<const char*>( |
|||
I18NNatives::GetScriptsSource().start()), |
|||
0, |
|||
0, |
|||
I18NNatives::GetScriptsSource().length()) {} |
|||
|
|||
v8::Handle<v8::FunctionTemplate> Extension::GetNativeFunction( |
|||
v8::Handle<v8::String> name) { |
|||
// Break iterator.
|
|||
if (name->Equals(v8::String::New("NativeJSCreateBreakIterator"))) { |
|||
return v8::FunctionTemplate::New(BreakIterator::JSCreateBreakIterator); |
|||
} else if (name->Equals(v8::String::New("NativeJSBreakIteratorAdoptText"))) { |
|||
return v8::FunctionTemplate::New( |
|||
BreakIterator::JSInternalBreakIteratorAdoptText); |
|||
} else if (name->Equals(v8::String::New("NativeJSBreakIteratorFirst"))) { |
|||
return v8::FunctionTemplate::New( |
|||
BreakIterator::JSInternalBreakIteratorFirst); |
|||
} else if (name->Equals(v8::String::New("NativeJSBreakIteratorNext"))) { |
|||
return v8::FunctionTemplate::New( |
|||
BreakIterator::JSInternalBreakIteratorNext); |
|||
} else if (name->Equals(v8::String::New("NativeJSBreakIteratorCurrent"))) { |
|||
return v8::FunctionTemplate::New( |
|||
BreakIterator::JSInternalBreakIteratorCurrent); |
|||
} else if (name->Equals(v8::String::New("NativeJSBreakIteratorBreakType"))) { |
|||
return v8::FunctionTemplate::New( |
|||
BreakIterator::JSInternalBreakIteratorBreakType); |
|||
} |
|||
|
|||
return v8::Handle<v8::FunctionTemplate>(); |
|||
} |
|||
|
|||
|
|||
void Extension::Register() { |
|||
static Extension i18n_extension; |
|||
static v8::DeclareExtension extension_declaration(&i18n_extension); |
|||
} |
|||
|
|||
} // namespace v8_i18n
|
|||
@ -1,177 +0,0 @@ |
|||
// Copyright 2013 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.
|
|||
// limitations under the License.
|
|||
|
|||
#include "i18n-utils.h" |
|||
|
|||
#include <string.h> |
|||
|
|||
#include "unicode/unistr.h" |
|||
|
|||
namespace v8_i18n { |
|||
|
|||
// static
|
|||
void Utils::StrNCopy(char* dest, int length, const char* src) { |
|||
if (!dest || !src) return; |
|||
|
|||
strncpy(dest, src, length); |
|||
dest[length - 1] = '\0'; |
|||
} |
|||
|
|||
|
|||
// static
|
|||
bool Utils::V8StringToUnicodeString(const v8::Handle<v8::Value>& input, |
|||
icu::UnicodeString* output) { |
|||
v8::String::Utf8Value utf8_value(input); |
|||
|
|||
if (*utf8_value == NULL) return false; |
|||
|
|||
output->setTo(icu::UnicodeString::fromUTF8(*utf8_value)); |
|||
|
|||
return true; |
|||
} |
|||
|
|||
|
|||
// static
|
|||
bool Utils::ExtractStringSetting(const v8::Handle<v8::Object>& settings, |
|||
const char* setting, |
|||
icu::UnicodeString* result) { |
|||
if (!setting || !result) return false; |
|||
|
|||
v8::HandleScope handle_scope; |
|||
v8::TryCatch try_catch; |
|||
v8::Handle<v8::Value> value = settings->Get(v8::String::New(setting)); |
|||
if (try_catch.HasCaught()) { |
|||
return false; |
|||
} |
|||
// No need to check if |value| is empty because it's taken care of
|
|||
// by TryCatch above.
|
|||
if (!value->IsUndefined() && !value->IsNull() && value->IsString()) { |
|||
return V8StringToUnicodeString(value, result); |
|||
} |
|||
return false; |
|||
} |
|||
|
|||
|
|||
// static
|
|||
bool Utils::ExtractIntegerSetting(const v8::Handle<v8::Object>& settings, |
|||
const char* setting, |
|||
int32_t* result) { |
|||
if (!setting || !result) return false; |
|||
|
|||
v8::HandleScope handle_scope; |
|||
v8::TryCatch try_catch; |
|||
v8::Handle<v8::Value> value = settings->Get(v8::String::New(setting)); |
|||
if (try_catch.HasCaught()) { |
|||
return false; |
|||
} |
|||
// No need to check if |value| is empty because it's taken care of
|
|||
// by TryCatch above.
|
|||
if (!value->IsUndefined() && !value->IsNull() && value->IsNumber()) { |
|||
*result = static_cast<int32_t>(value->Int32Value()); |
|||
return true; |
|||
} |
|||
return false; |
|||
} |
|||
|
|||
|
|||
// static
|
|||
bool Utils::ExtractBooleanSetting(const v8::Handle<v8::Object>& settings, |
|||
const char* setting, |
|||
bool* result) { |
|||
if (!setting || !result) return false; |
|||
|
|||
v8::HandleScope handle_scope; |
|||
v8::TryCatch try_catch; |
|||
v8::Handle<v8::Value> value = settings->Get(v8::String::New(setting)); |
|||
if (try_catch.HasCaught()) { |
|||
return false; |
|||
} |
|||
// No need to check if |value| is empty because it's taken care of
|
|||
// by TryCatch above.
|
|||
if (!value->IsUndefined() && !value->IsNull() && value->IsBoolean()) { |
|||
*result = static_cast<bool>(value->BooleanValue()); |
|||
return true; |
|||
} |
|||
return false; |
|||
} |
|||
|
|||
|
|||
// static
|
|||
void Utils::AsciiToUChar(const char* source, |
|||
int32_t source_length, |
|||
UChar* target, |
|||
int32_t target_length) { |
|||
int32_t length = |
|||
source_length < target_length ? source_length : target_length; |
|||
|
|||
if (length <= 0) { |
|||
return; |
|||
} |
|||
|
|||
for (int32_t i = 0; i < length - 1; ++i) { |
|||
target[i] = static_cast<UChar>(source[i]); |
|||
} |
|||
|
|||
target[length - 1] = 0x0u; |
|||
} |
|||
|
|||
|
|||
static v8::Local<v8::ObjectTemplate> ToLocal(i::Handle<i::Object> handle) { |
|||
return v8::Utils::ToLocal(i::Handle<i::ObjectTemplateInfo>::cast(handle)); |
|||
} |
|||
|
|||
|
|||
template<int internal_fields, i::EternalHandles::SingletonHandle field> |
|||
static v8::Local<v8::ObjectTemplate> GetEternal(v8::Isolate* external) { |
|||
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(external); |
|||
if (isolate->eternal_handles()->Exists(field)) { |
|||
return ToLocal(isolate->eternal_handles()->GetSingleton(field)); |
|||
} |
|||
v8::Local<v8::ObjectTemplate> raw_template(v8::ObjectTemplate::New()); |
|||
raw_template->SetInternalFieldCount(internal_fields); |
|||
return ToLocal( |
|||
isolate->eternal_handles()->CreateSingleton( |
|||
isolate, |
|||
*v8::Utils::OpenHandle(*raw_template), |
|||
field)); |
|||
} |
|||
|
|||
|
|||
// static
|
|||
v8::Local<v8::ObjectTemplate> Utils::GetTemplate(v8::Isolate* isolate) { |
|||
return GetEternal<1, i::EternalHandles::I18N_TEMPLATE_ONE>(isolate); |
|||
} |
|||
|
|||
|
|||
// static
|
|||
v8::Local<v8::ObjectTemplate> Utils::GetTemplate2(v8::Isolate* isolate) { |
|||
return GetEternal<2, i::EternalHandles::I18N_TEMPLATE_TWO>(isolate); |
|||
} |
|||
|
|||
|
|||
} // namespace v8_i18n
|
|||
@ -1,91 +0,0 @@ |
|||
// Copyright 2013 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.
|
|||
// limitations under the License.
|
|||
|
|||
#ifndef V8_EXTENSIONS_I18N_SRC_UTILS_H_ |
|||
#define V8_EXTENSIONS_I18N_SRC_UTILS_H_ |
|||
|
|||
#include "unicode/uversion.h" |
|||
#include "v8.h" |
|||
|
|||
namespace U_ICU_NAMESPACE { |
|||
class UnicodeString; |
|||
} |
|||
|
|||
namespace v8_i18n { |
|||
|
|||
class Utils { |
|||
public: |
|||
// Safe string copy. Null terminates the destination. Copies at most
|
|||
// (length - 1) bytes.
|
|||
// We can't use snprintf since it's not supported on all relevant platforms.
|
|||
// We can't use OS::SNPrintF, it's only for internal code.
|
|||
static void StrNCopy(char* dest, int length, const char* src); |
|||
|
|||
// Converts v8::String into UnicodeString. Returns false if input
|
|||
// can't be converted into utf8.
|
|||
static bool V8StringToUnicodeString(const v8::Handle<v8::Value>& input, |
|||
icu::UnicodeString* output); |
|||
|
|||
// Extract a String setting named in |settings| and set it to |result|.
|
|||
// Return true if it's specified. Otherwise, return false.
|
|||
static bool ExtractStringSetting(const v8::Handle<v8::Object>& settings, |
|||
const char* setting, |
|||
icu::UnicodeString* result); |
|||
|
|||
// Extract a Integer setting named in |settings| and set it to |result|.
|
|||
// Return true if it's specified. Otherwise, return false.
|
|||
static bool ExtractIntegerSetting(const v8::Handle<v8::Object>& settings, |
|||
const char* setting, |
|||
int32_t* result); |
|||
|
|||
// Extract a Boolean setting named in |settings| and set it to |result|.
|
|||
// Return true if it's specified. Otherwise, return false.
|
|||
static bool ExtractBooleanSetting(const v8::Handle<v8::Object>& settings, |
|||
const char* setting, |
|||
bool* result); |
|||
|
|||
// Converts ASCII array into UChar array.
|
|||
// Target is always \0 terminated.
|
|||
static void AsciiToUChar(const char* source, |
|||
int32_t source_length, |
|||
UChar* target, |
|||
int32_t target_length); |
|||
|
|||
// Creates an ObjectTemplate with one internal field.
|
|||
static v8::Local<v8::ObjectTemplate> GetTemplate(v8::Isolate* isolate); |
|||
|
|||
// Creates an ObjectTemplate with two internal fields.
|
|||
static v8::Local<v8::ObjectTemplate> GetTemplate2(v8::Isolate* isolate); |
|||
|
|||
private: |
|||
Utils() {} |
|||
}; |
|||
|
|||
} // namespace v8_i18n
|
|||
|
|||
#endif // V8_EXTENSIONS_I18N_UTILS_H_
|
|||
@ -1,536 +0,0 @@ |
|||
// Copyright 2013 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.
|
|||
// limitations under the License.
|
|||
|
|||
// ECMAScript 402 API implementation is broken into separate files for
|
|||
// each service. The build system combines them together into one
|
|||
// Intl namespace.
|
|||
|
|||
/** |
|||
* Adds bound method to the prototype of the given object. |
|||
*/ |
|||
function addBoundMethod(obj, methodName, implementation, length) { |
|||
function getter() { |
|||
if (!this || typeof this !== 'object' || |
|||
this.__initializedIntlObject === undefined) { |
|||
throw new TypeError('Method ' + methodName + ' called on a ' + |
|||
'non-object or on a wrong type of object.'); |
|||
} |
|||
var internalName = '__bound' + methodName + '__'; |
|||
if (this[internalName] === undefined) { |
|||
var that = this; |
|||
var boundMethod; |
|||
if (length === undefined || length === 2) { |
|||
boundMethod = function(x, y) { |
|||
if (%_IsConstructCall()) { |
|||
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
|||
} |
|||
return implementation(that, x, y); |
|||
} |
|||
} else if (length === 1) { |
|||
boundMethod = function(x) { |
|||
if (%_IsConstructCall()) { |
|||
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
|||
} |
|||
return implementation(that, x); |
|||
} |
|||
} else { |
|||
boundMethod = function() { |
|||
if (%_IsConstructCall()) { |
|||
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
|||
} |
|||
// DateTimeFormat.format needs to be 0 arg method, but can stil
|
|||
// receive optional dateValue param. If one was provided, pass it
|
|||
// along.
|
|||
if (arguments.length > 0) { |
|||
return implementation(that, arguments[0]); |
|||
} else { |
|||
return implementation(that); |
|||
} |
|||
} |
|||
} |
|||
%FunctionSetName(boundMethod, internalName); |
|||
%FunctionRemovePrototype(boundMethod); |
|||
%SetNativeFlag(boundMethod); |
|||
this[internalName] = boundMethod; |
|||
} |
|||
return this[internalName]; |
|||
} |
|||
|
|||
%FunctionSetName(getter, methodName); |
|||
%FunctionRemovePrototype(getter); |
|||
%SetNativeFlag(getter); |
|||
|
|||
Object.defineProperty(obj.prototype, methodName, { |
|||
get: getter, |
|||
enumerable: false, |
|||
configurable: true |
|||
}); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns an intersection of locales and service supported locales. |
|||
* Parameter locales is treated as a priority list. |
|||
*/ |
|||
function supportedLocalesOf(service, locales, options) { |
|||
if (service.match(SERVICE_RE) === null) { |
|||
throw new Error('Internal error, wrong service type: ' + service); |
|||
} |
|||
|
|||
// Provide defaults if matcher was not specified.
|
|||
if (options === undefined) { |
|||
options = {}; |
|||
} else { |
|||
options = toObject(options); |
|||
} |
|||
|
|||
var matcher = options.localeMatcher; |
|||
if (matcher !== undefined) { |
|||
matcher = String(matcher); |
|||
if (matcher !== 'lookup' && matcher !== 'best fit') { |
|||
throw new RangeError('Illegal value for localeMatcher:' + matcher); |
|||
} |
|||
} else { |
|||
matcher = 'best fit'; |
|||
} |
|||
|
|||
var requestedLocales = initializeLocaleList(locales); |
|||
|
|||
// Cache these, they don't ever change per service.
|
|||
if (AVAILABLE_LOCALES[service] === undefined) { |
|||
AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service); |
|||
} |
|||
|
|||
// Use either best fit or lookup algorithm to match locales.
|
|||
if (matcher === 'best fit') { |
|||
return initializeLocaleList(bestFitSupportedLocalesOf( |
|||
requestedLocales, AVAILABLE_LOCALES[service])); |
|||
} |
|||
|
|||
return initializeLocaleList(lookupSupportedLocalesOf( |
|||
requestedLocales, AVAILABLE_LOCALES[service])); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns the subset of the provided BCP 47 language priority list for which |
|||
* this service has a matching locale when using the BCP 47 Lookup algorithm. |
|||
* Locales appear in the same order in the returned list as in the input list. |
|||
*/ |
|||
function lookupSupportedLocalesOf(requestedLocales, availableLocales) { |
|||
var matchedLocales = []; |
|||
for (var i = 0; i < requestedLocales.length; ++i) { |
|||
// Remove -u- extension.
|
|||
var locale = requestedLocales[i].replace(UNICODE_EXTENSION_RE, ''); |
|||
do { |
|||
if (availableLocales[locale] !== undefined) { |
|||
// Push requested locale not the resolved one.
|
|||
matchedLocales.push(requestedLocales[i]); |
|||
break; |
|||
} |
|||
// Truncate locale if possible, if not break.
|
|||
var pos = locale.lastIndexOf('-'); |
|||
if (pos === -1) { |
|||
break; |
|||
} |
|||
locale = locale.substring(0, pos); |
|||
} while (true); |
|||
} |
|||
|
|||
return matchedLocales; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns the subset of the provided BCP 47 language priority list for which |
|||
* this service has a matching locale when using the implementation |
|||
* dependent algorithm. |
|||
* Locales appear in the same order in the returned list as in the input list. |
|||
*/ |
|||
function bestFitSupportedLocalesOf(requestedLocales, availableLocales) { |
|||
// TODO(cira): implement better best fit algorithm.
|
|||
return lookupSupportedLocalesOf(requestedLocales, availableLocales); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns a getOption function that extracts property value for given |
|||
* options object. If property is missing it returns defaultValue. If value |
|||
* is out of range for that property it throws RangeError. |
|||
*/ |
|||
function getGetOption(options, caller) { |
|||
if (options === undefined) { |
|||
throw new Error('Internal ' + caller + ' error. ' + |
|||
'Default options are missing.'); |
|||
} |
|||
|
|||
var getOption = function getOption(property, type, values, defaultValue) { |
|||
if (options[property] !== undefined) { |
|||
var value = options[property]; |
|||
switch (type) { |
|||
case 'boolean': |
|||
value = Boolean(value); |
|||
break; |
|||
case 'string': |
|||
value = String(value); |
|||
break; |
|||
case 'number': |
|||
value = Number(value); |
|||
break; |
|||
default: |
|||
throw new Error('Internal error. Wrong value type.'); |
|||
} |
|||
if (values !== undefined && values.indexOf(value) === -1) { |
|||
throw new RangeError('Value ' + value + ' out of range for ' + caller + |
|||
' options property ' + property); |
|||
} |
|||
|
|||
return value; |
|||
} |
|||
|
|||
return defaultValue; |
|||
} |
|||
|
|||
return getOption; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Compares a BCP 47 language priority list requestedLocales against the locales |
|||
* in availableLocales and determines the best available language to meet the |
|||
* request. Two algorithms are available to match the locales: the Lookup |
|||
* algorithm described in RFC 4647 section 3.4, and an implementation dependent |
|||
* best-fit algorithm. Independent of the locale matching algorithm, options |
|||
* specified through Unicode locale extension sequences are negotiated |
|||
* separately, taking the caller's relevant extension keys and locale data as |
|||
* well as client-provided options into consideration. Returns an object with |
|||
* a locale property whose value is the language tag of the selected locale, |
|||
* and properties for each key in relevantExtensionKeys providing the selected |
|||
* value for that key. |
|||
*/ |
|||
function resolveLocale(service, requestedLocales, options) { |
|||
requestedLocales = initializeLocaleList(requestedLocales); |
|||
|
|||
var getOption = getGetOption(options, service); |
|||
var matcher = getOption('localeMatcher', 'string', |
|||
['lookup', 'best fit'], 'best fit'); |
|||
var resolved; |
|||
if (matcher === 'lookup') { |
|||
resolved = lookupMatcher(service, requestedLocales); |
|||
} else { |
|||
resolved = bestFitMatcher(service, requestedLocales); |
|||
} |
|||
|
|||
return resolved; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns best matched supported locale and extension info using basic |
|||
* lookup algorithm. |
|||
*/ |
|||
function lookupMatcher(service, requestedLocales) { |
|||
if (service.match(SERVICE_RE) === null) { |
|||
throw new Error('Internal error, wrong service type: ' + service); |
|||
} |
|||
|
|||
// Cache these, they don't ever change per service.
|
|||
if (AVAILABLE_LOCALES[service] === undefined) { |
|||
AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service); |
|||
} |
|||
|
|||
for (var i = 0; i < requestedLocales.length; ++i) { |
|||
// Remove all extensions.
|
|||
var locale = requestedLocales[i].replace(ANY_EXTENSION_RE, ''); |
|||
do { |
|||
if (AVAILABLE_LOCALES[service][locale] !== undefined) { |
|||
// Return the resolved locale and extension.
|
|||
var extensionMatch = requestedLocales[i].match(UNICODE_EXTENSION_RE); |
|||
var extension = (extensionMatch === null) ? '' : extensionMatch[0]; |
|||
return {'locale': locale, 'extension': extension, 'position': i}; |
|||
} |
|||
// Truncate locale if possible.
|
|||
var pos = locale.lastIndexOf('-'); |
|||
if (pos === -1) { |
|||
break; |
|||
} |
|||
locale = locale.substring(0, pos); |
|||
} while (true); |
|||
} |
|||
|
|||
// Didn't find a match, return default.
|
|||
if (DEFAULT_ICU_LOCALE === undefined) { |
|||
DEFAULT_ICU_LOCALE = %GetDefaultICULocale(); |
|||
} |
|||
|
|||
return {'locale': DEFAULT_ICU_LOCALE, 'extension': '', 'position': -1}; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns best matched supported locale and extension info using |
|||
* implementation dependend algorithm. |
|||
*/ |
|||
function bestFitMatcher(service, requestedLocales) { |
|||
// TODO(cira): implement better best fit algorithm.
|
|||
return lookupMatcher(service, requestedLocales); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Parses Unicode extension into key - value map. |
|||
* Returns empty object if the extension string is invalid. |
|||
* We are not concerned with the validity of the values at this point. |
|||
*/ |
|||
function parseExtension(extension) { |
|||
var extensionSplit = extension.split('-'); |
|||
|
|||
// Assume ['', 'u', ...] input, but don't throw.
|
|||
if (extensionSplit.length <= 2 || |
|||
(extensionSplit[0] !== '' && extensionSplit[1] !== 'u')) { |
|||
return {}; |
|||
} |
|||
|
|||
// Key is {2}alphanum, value is {3,8}alphanum.
|
|||
// Some keys may not have explicit values (booleans).
|
|||
var extensionMap = {}; |
|||
var previousKey = undefined; |
|||
for (var i = 2; i < extensionSplit.length; ++i) { |
|||
var length = extensionSplit[i].length; |
|||
var element = extensionSplit[i]; |
|||
if (length === 2) { |
|||
extensionMap[element] = undefined; |
|||
previousKey = element; |
|||
} else if (length >= 3 && length <=8 && previousKey !== undefined) { |
|||
extensionMap[previousKey] = element; |
|||
previousKey = undefined; |
|||
} else { |
|||
// There is a value that's too long, or that doesn't have a key.
|
|||
return {}; |
|||
} |
|||
} |
|||
|
|||
return extensionMap; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Converts parameter to an Object if possible. |
|||
*/ |
|||
function toObject(value) { |
|||
if (value === undefined || value === null) { |
|||
throw new TypeError('Value cannot be converted to an Object.'); |
|||
} |
|||
|
|||
return Object(value); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Populates internalOptions object with boolean key-value pairs |
|||
* from extensionMap and options. |
|||
* Returns filtered extension (number and date format constructors use |
|||
* Unicode extensions for passing parameters to ICU). |
|||
* It's used for extension-option pairs only, e.g. kn-normalization, but not |
|||
* for 'sensitivity' since it doesn't have extension equivalent. |
|||
* Extensions like nu and ca don't have options equivalent, so we place |
|||
* undefined in the map.property to denote that. |
|||
*/ |
|||
function setOptions(inOptions, extensionMap, keyValues, getOption, outOptions) { |
|||
var extension = ''; |
|||
|
|||
var updateExtension = function updateExtension(key, value) { |
|||
return '-' + key + '-' + String(value); |
|||
} |
|||
|
|||
var updateProperty = function updateProperty(property, type, value) { |
|||
if (type === 'boolean' && (typeof value === 'string')) { |
|||
value = (value === 'true') ? true : false; |
|||
} |
|||
|
|||
if (property !== undefined) { |
|||
defineWEProperty(outOptions, property, value); |
|||
} |
|||
} |
|||
|
|||
for (var key in keyValues) { |
|||
if (keyValues.hasOwnProperty(key)) { |
|||
var value = undefined; |
|||
var map = keyValues[key]; |
|||
if (map.property !== undefined) { |
|||
// This may return true if user specifies numeric: 'false', since
|
|||
// Boolean('nonempty') === true.
|
|||
value = getOption(map.property, map.type, map.values); |
|||
} |
|||
if (value !== undefined) { |
|||
updateProperty(map.property, map.type, value); |
|||
extension += updateExtension(key, value); |
|||
continue; |
|||
} |
|||
// User options didn't have it, check Unicode extension.
|
|||
// Here we want to convert strings 'true', 'false' into proper Boolean
|
|||
// values (not a user error).
|
|||
if (extensionMap.hasOwnProperty(key)) { |
|||
value = extensionMap[key]; |
|||
if (value !== undefined) { |
|||
updateProperty(map.property, map.type, value); |
|||
extension += updateExtension(key, value); |
|||
} else if (map.type === 'boolean') { |
|||
// Boolean keys are allowed not to have values in Unicode extension.
|
|||
// Those default to true.
|
|||
updateProperty(map.property, map.type, true); |
|||
extension += updateExtension(key, true); |
|||
} |
|||
} |
|||
} |
|||
} |
|||
|
|||
return extension === ''? '' : '-u' + extension; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Converts all OwnProperties into |
|||
* configurable: false, writable: false, enumerable: true. |
|||
*/ |
|||
function freezeArray(array) { |
|||
array.forEach(function(element, index) { |
|||
Object.defineProperty(array, index, {value: element, |
|||
configurable: false, |
|||
writable: false, |
|||
enumerable: true}); |
|||
}); |
|||
|
|||
Object.defineProperty(array, 'length', {value: array.length, |
|||
writable: false}); |
|||
|
|||
return array; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* It's sometimes desireable to leave user requested locale instead of ICU |
|||
* supported one (zh-TW is equivalent to zh-Hant-TW, so we should keep shorter |
|||
* one, if that was what user requested). |
|||
* This function returns user specified tag if its maximized form matches ICU |
|||
* resolved locale. If not we return ICU result. |
|||
*/ |
|||
function getOptimalLanguageTag(original, resolved) { |
|||
// Returns Array<Object>, where each object has maximized and base properties.
|
|||
// Maximized: zh -> zh-Hans-CN
|
|||
// Base: zh-CN-u-ca-gregory -> zh-CN
|
|||
// Take care of grandfathered or simple cases.
|
|||
if (original === resolved) { |
|||
return original; |
|||
} |
|||
|
|||
var locales = %GetLanguageTagVariants([original, resolved]); |
|||
if (locales[0].maximized !== locales[1].maximized) { |
|||
return resolved; |
|||
} |
|||
|
|||
// Preserve extensions of resolved locale, but swap base tags with original.
|
|||
var resolvedBase = new RegExp('^' + locales[1].base); |
|||
return resolved.replace(resolvedBase, locales[0].base); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns an Object that contains all of supported locales for a given |
|||
* service. |
|||
* In addition to the supported locales we add xx-ZZ locale for each xx-Yyyy-ZZ |
|||
* that is supported. This is required by the spec. |
|||
*/ |
|||
function getAvailableLocalesOf(service) { |
|||
var available = %AvailableLocalesOf(service); |
|||
|
|||
for (var i in available) { |
|||
if (available.hasOwnProperty(i)) { |
|||
var parts = i.match(/^([a-z]{2,3})-([A-Z][a-z]{3})-([A-Z]{2})$/); |
|||
if (parts !== null) { |
|||
// Build xx-ZZ. We don't care about the actual value,
|
|||
// as long it's not undefined.
|
|||
available[parts[1] + '-' + parts[3]] = null; |
|||
} |
|||
} |
|||
} |
|||
|
|||
return available; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Defines a property and sets writable and enumerable to true. |
|||
* Configurable is false by default. |
|||
*/ |
|||
function defineWEProperty(object, property, value) { |
|||
Object.defineProperty(object, property, |
|||
{value: value, writable: true, enumerable: true}); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Adds property to an object if the value is not undefined. |
|||
* Sets configurable descriptor to false. |
|||
*/ |
|||
function addWEPropertyIfDefined(object, property, value) { |
|||
if (value !== undefined) { |
|||
defineWEProperty(object, property, value); |
|||
} |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Defines a property and sets writable, enumerable and configurable to true. |
|||
*/ |
|||
function defineWECProperty(object, property, value) { |
|||
Object.defineProperty(object, property, |
|||
{value: value, |
|||
writable: true, |
|||
enumerable: true, |
|||
configurable: true}); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Adds property to an object if the value is not undefined. |
|||
* Sets all descriptors to true. |
|||
*/ |
|||
function addWECPropertyIfDefined(object, property, value) { |
|||
if (value !== undefined) { |
|||
defineWECProperty(object, property, value); |
|||
} |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns titlecased word, aMeRricA -> America. |
|||
*/ |
|||
function toTitleCaseWord(word) { |
|||
return word.substr(0, 1).toUpperCase() + word.substr(1).toLowerCase(); |
|||
} |
|||
@ -1,190 +0,0 @@ |
|||
// Copyright 2013 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.
|
|||
// limitations under the License.
|
|||
|
|||
// ECMAScript 402 API implementation is broken into separate files for
|
|||
// each service. The build system combines them together into one
|
|||
// Intl namespace.
|
|||
|
|||
/** |
|||
* Canonicalizes the language tag, or throws in case the tag is invalid. |
|||
*/ |
|||
function canonicalizeLanguageTag(localeID) { |
|||
// null is typeof 'object' so we have to do extra check.
|
|||
if (typeof localeID !== 'string' && typeof localeID !== 'object' || |
|||
localeID === null) { |
|||
throw new TypeError('Language ID should be string or object.'); |
|||
} |
|||
|
|||
var localeString = String(localeID); |
|||
|
|||
if (isValidLanguageTag(localeString) === false) { |
|||
throw new RangeError('Invalid language tag: ' + localeString); |
|||
} |
|||
|
|||
// This call will strip -kn but not -kn-true extensions.
|
|||
// ICU bug filled - http://bugs.icu-project.org/trac/ticket/9265.
|
|||
// TODO(cira): check if -u-kn-true-kc-true-kh-true still throws after
|
|||
// upgrade to ICU 4.9.
|
|||
var tag = %CanonicalizeLanguageTag(localeString); |
|||
if (tag === 'invalid-tag') { |
|||
throw new RangeError('Invalid language tag: ' + localeString); |
|||
} |
|||
|
|||
return tag; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns an array where all locales are canonicalized and duplicates removed. |
|||
* Throws on locales that are not well formed BCP47 tags. |
|||
*/ |
|||
function initializeLocaleList(locales) { |
|||
var seen = []; |
|||
if (locales === undefined) { |
|||
// Constructor is called without arguments.
|
|||
seen = []; |
|||
} else { |
|||
// We allow single string localeID.
|
|||
if (typeof locales === 'string') { |
|||
seen.push(canonicalizeLanguageTag(locales)); |
|||
return freezeArray(seen); |
|||
} |
|||
|
|||
var o = toObject(locales); |
|||
// Converts it to UInt32 (>>> is shr on 32bit integers).
|
|||
var len = o.length >>> 0; |
|||
|
|||
for (var k = 0; k < len; k++) { |
|||
if (k in o) { |
|||
var value = o[k]; |
|||
|
|||
var tag = canonicalizeLanguageTag(value); |
|||
|
|||
if (seen.indexOf(tag) === -1) { |
|||
seen.push(tag); |
|||
} |
|||
} |
|||
} |
|||
} |
|||
|
|||
return freezeArray(seen); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Validates the language tag. Section 2.2.9 of the bcp47 spec |
|||
* defines a valid tag. |
|||
* |
|||
* ICU is too permissible and lets invalid tags, like |
|||
* hant-cmn-cn, through. |
|||
* |
|||
* Returns false if the language tag is invalid. |
|||
*/ |
|||
function isValidLanguageTag(locale) { |
|||
// Check if it's well-formed, including grandfadered tags.
|
|||
if (LANGUAGE_TAG_RE.test(locale) === false) { |
|||
return false; |
|||
} |
|||
|
|||
// Just return if it's a x- form. It's all private.
|
|||
if (locale.indexOf('x-') === 0) { |
|||
return true; |
|||
} |
|||
|
|||
// Check if there are any duplicate variants or singletons (extensions).
|
|||
|
|||
// Remove private use section.
|
|||
locale = locale.split(/-x-/)[0]; |
|||
|
|||
// Skip language since it can match variant regex, so we start from 1.
|
|||
// We are matching i-klingon here, but that's ok, since i-klingon-klingon
|
|||
// is not valid and would fail LANGUAGE_TAG_RE test.
|
|||
var variants = []; |
|||
var extensions = []; |
|||
var parts = locale.split(/-/); |
|||
for (var i = 1; i < parts.length; i++) { |
|||
var value = parts[i]; |
|||
if (LANGUAGE_VARIANT_RE.test(value) === true && extensions.length === 0) { |
|||
if (variants.indexOf(value) === -1) { |
|||
variants.push(value); |
|||
} else { |
|||
return false; |
|||
} |
|||
} |
|||
|
|||
if (LANGUAGE_SINGLETON_RE.test(value) === true) { |
|||
if (extensions.indexOf(value) === -1) { |
|||
extensions.push(value); |
|||
} else { |
|||
return false; |
|||
} |
|||
} |
|||
} |
|||
|
|||
return true; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Builds a regular expresion that validates the language tag |
|||
* against bcp47 spec. |
|||
* Uses http://tools.ietf.org/html/bcp47, section 2.1, ABNF.
|
|||
* Runs on load and initializes the global REs. |
|||
*/ |
|||
(function() { |
|||
var alpha = '[a-zA-Z]'; |
|||
var digit = '[0-9]'; |
|||
var alphanum = '(' + alpha + '|' + digit + ')'; |
|||
var regular = '(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|' + |
|||
'zh-min|zh-min-nan|zh-xiang)'; |
|||
var irregular = '(en-GB-oed|i-ami|i-bnn|i-default|i-enochian|i-hak|' + |
|||
'i-klingon|i-lux|i-mingo|i-navajo|i-pwn|i-tao|i-tay|' + |
|||
'i-tsu|sgn-BE-FR|sgn-BE-NL|sgn-CH-DE)'; |
|||
var grandfathered = '(' + irregular + '|' + regular + ')'; |
|||
var privateUse = '(x(-' + alphanum + '{1,8})+)'; |
|||
|
|||
var singleton = '(' + digit + '|[A-WY-Za-wy-z])'; |
|||
LANGUAGE_SINGLETON_RE = new RegExp('^' + singleton + '$', 'i'); |
|||
|
|||
var extension = '(' + singleton + '(-' + alphanum + '{2,8})+)'; |
|||
|
|||
var variant = '(' + alphanum + '{5,8}|(' + digit + alphanum + '{3}))'; |
|||
LANGUAGE_VARIANT_RE = new RegExp('^' + variant + '$', 'i'); |
|||
|
|||
var region = '(' + alpha + '{2}|' + digit + '{3})'; |
|||
var script = '(' + alpha + '{4})'; |
|||
var extLang = '(' + alpha + '{3}(-' + alpha + '{3}){0,2})'; |
|||
var language = '(' + alpha + '{2,3}(-' + extLang + ')?|' + alpha + '{4}|' + |
|||
alpha + '{5,8})'; |
|||
var langTag = language + '(-' + script + ')?(-' + region + ')?(-' + |
|||
variant + ')*(-' + extension + ')*(-' + privateUse + ')?'; |
|||
|
|||
var languageTag = |
|||
'^(' + langTag + '|' + privateUse + '|' + grandfathered + ')$'; |
|||
LANGUAGE_TAG_RE = new RegExp(languageTag, 'i'); |
|||
})(); |
|||
@ -1,289 +0,0 @@ |
|||
// Copyright 2013 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.
|
|||
// limitations under the License.
|
|||
|
|||
// ECMAScript 402 API implementation is broken into separate files for
|
|||
// each service. The build system combines them together into one
|
|||
// Intl namespace.
|
|||
|
|||
/** |
|||
* Verifies that the input is a well-formed ISO 4217 currency code. |
|||
* Don't uppercase to test. It could convert invalid code into a valid one. |
|||
* For example \u00DFP (Eszett+P) becomes SSP. |
|||
*/ |
|||
function isWellFormedCurrencyCode(currency) { |
|||
return typeof currency == "string" && |
|||
currency.length == 3 && |
|||
currency.match(/[^A-Za-z]/) == null; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns the valid digit count for a property, or throws RangeError on |
|||
* a value out of the range. |
|||
*/ |
|||
function getNumberOption(options, property, min, max, fallback) { |
|||
var value = options[property]; |
|||
if (value !== undefined) { |
|||
value = Number(value); |
|||
if (isNaN(value) || value < min || value > max) { |
|||
throw new RangeError(property + ' value is out of range.'); |
|||
} |
|||
return Math.floor(value); |
|||
} |
|||
|
|||
return fallback; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Initializes the given object so it's a valid NumberFormat instance. |
|||
* Useful for subclassing. |
|||
*/ |
|||
function initializeNumberFormat(numberFormat, locales, options) { |
|||
if (numberFormat.hasOwnProperty('__initializedIntlObject')) { |
|||
throw new TypeError('Trying to re-initialize NumberFormat object.'); |
|||
} |
|||
|
|||
if (options === undefined) { |
|||
options = {}; |
|||
} |
|||
|
|||
var getOption = getGetOption(options, 'numberformat'); |
|||
|
|||
var locale = resolveLocale('numberformat', locales, options); |
|||
|
|||
var internalOptions = {}; |
|||
defineWEProperty(internalOptions, 'style', getOption( |
|||
'style', 'string', ['decimal', 'percent', 'currency'], 'decimal')); |
|||
|
|||
var currency = getOption('currency', 'string'); |
|||
if (currency !== undefined && !isWellFormedCurrencyCode(currency)) { |
|||
throw new RangeError('Invalid currency code: ' + currency); |
|||
} |
|||
|
|||
if (internalOptions.style === 'currency' && currency === undefined) { |
|||
throw new TypeError('Currency code is required with currency style.'); |
|||
} |
|||
|
|||
var currencyDisplay = getOption( |
|||
'currencyDisplay', 'string', ['code', 'symbol', 'name'], 'symbol'); |
|||
if (internalOptions.style === 'currency') { |
|||
defineWEProperty(internalOptions, 'currency', currency.toUpperCase()); |
|||
defineWEProperty(internalOptions, 'currencyDisplay', currencyDisplay); |
|||
} |
|||
|
|||
// Digit ranges.
|
|||
var mnid = getNumberOption(options, 'minimumIntegerDigits', 1, 21, 1); |
|||
defineWEProperty(internalOptions, 'minimumIntegerDigits', mnid); |
|||
|
|||
var mnfd = getNumberOption(options, 'minimumFractionDigits', 0, 20, 0); |
|||
defineWEProperty(internalOptions, 'minimumFractionDigits', mnfd); |
|||
|
|||
var mxfd = getNumberOption(options, 'maximumFractionDigits', mnfd, 20, 3); |
|||
defineWEProperty(internalOptions, 'maximumFractionDigits', mxfd); |
|||
|
|||
var mnsd = options['minimumSignificantDigits']; |
|||
var mxsd = options['maximumSignificantDigits']; |
|||
if (mnsd !== undefined || mxsd !== undefined) { |
|||
mnsd = getNumberOption(options, 'minimumSignificantDigits', 1, 21, 0); |
|||
defineWEProperty(internalOptions, 'minimumSignificantDigits', mnsd); |
|||
|
|||
mxsd = getNumberOption(options, 'maximumSignificantDigits', mnsd, 21, 21); |
|||
defineWEProperty(internalOptions, 'maximumSignificantDigits', mxsd); |
|||
} |
|||
|
|||
// Grouping.
|
|||
defineWEProperty(internalOptions, 'useGrouping', getOption( |
|||
'useGrouping', 'boolean', undefined, true)); |
|||
|
|||
// ICU prefers options to be passed using -u- extension key/values for
|
|||
// number format, so we need to build that.
|
|||
var extensionMap = parseExtension(locale.extension); |
|||
var extension = setOptions(options, extensionMap, NUMBER_FORMAT_KEY_MAP, |
|||
getOption, internalOptions); |
|||
|
|||
var requestedLocale = locale.locale + extension; |
|||
var resolved = Object.defineProperties({}, { |
|||
currency: {writable: true}, |
|||
currencyDisplay: {writable: true}, |
|||
locale: {writable: true}, |
|||
maximumFractionDigits: {writable: true}, |
|||
minimumFractionDigits: {writable: true}, |
|||
minimumIntegerDigits: {writable: true}, |
|||
numberingSystem: {writable: true}, |
|||
requestedLocale: {value: requestedLocale, writable: true}, |
|||
style: {value: internalOptions.style, writable: true}, |
|||
useGrouping: {writable: true} |
|||
}); |
|||
if (internalOptions.hasOwnProperty('minimumSignificantDigits')) { |
|||
defineWEProperty(resolved, 'minimumSignificantDigits', undefined); |
|||
} |
|||
if (internalOptions.hasOwnProperty('maximumSignificantDigits')) { |
|||
defineWEProperty(resolved, 'maximumSignificantDigits', undefined); |
|||
} |
|||
var formatter = %CreateNumberFormat(requestedLocale, |
|||
internalOptions, |
|||
resolved); |
|||
|
|||
// We can't get information about number or currency style from ICU, so we
|
|||
// assume user request was fulfilled.
|
|||
if (internalOptions.style === 'currency') { |
|||
Object.defineProperty(resolved, 'currencyDisplay', {value: currencyDisplay, |
|||
writable: true}); |
|||
} |
|||
|
|||
Object.defineProperty(numberFormat, 'formatter', {value: formatter}); |
|||
Object.defineProperty(numberFormat, 'resolved', {value: resolved}); |
|||
Object.defineProperty(numberFormat, '__initializedIntlObject', |
|||
{value: 'numberformat'}); |
|||
|
|||
return numberFormat; |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Constructs Intl.NumberFormat object given optional locales and options |
|||
* parameters. |
|||
* |
|||
* @constructor |
|||
*/ |
|||
%SetProperty(Intl, 'NumberFormat', function() { |
|||
var locales = arguments[0]; |
|||
var options = arguments[1]; |
|||
|
|||
if (!this || this === Intl) { |
|||
// Constructor is called as a function.
|
|||
return new Intl.NumberFormat(locales, options); |
|||
} |
|||
|
|||
return initializeNumberFormat(toObject(this), locales, options); |
|||
}, |
|||
ATTRIBUTES.DONT_ENUM |
|||
); |
|||
|
|||
|
|||
/** |
|||
* NumberFormat resolvedOptions method. |
|||
*/ |
|||
%SetProperty(Intl.NumberFormat.prototype, 'resolvedOptions', function() { |
|||
if (%_IsConstructCall()) { |
|||
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
|||
} |
|||
|
|||
if (!this || typeof this !== 'object' || |
|||
this.__initializedIntlObject !== 'numberformat') { |
|||
throw new TypeError('resolvedOptions method called on a non-object' + |
|||
' or on a object that is not Intl.NumberFormat.'); |
|||
} |
|||
|
|||
var format = this; |
|||
var locale = getOptimalLanguageTag(format.resolved.requestedLocale, |
|||
format.resolved.locale); |
|||
|
|||
var result = { |
|||
locale: locale, |
|||
numberingSystem: format.resolved.numberingSystem, |
|||
style: format.resolved.style, |
|||
useGrouping: format.resolved.useGrouping, |
|||
minimumIntegerDigits: format.resolved.minimumIntegerDigits, |
|||
minimumFractionDigits: format.resolved.minimumFractionDigits, |
|||
maximumFractionDigits: format.resolved.maximumFractionDigits, |
|||
}; |
|||
|
|||
if (result.style === 'currency') { |
|||
defineWECProperty(result, 'currency', format.resolved.currency); |
|||
defineWECProperty(result, 'currencyDisplay', |
|||
format.resolved.currencyDisplay); |
|||
} |
|||
|
|||
if (format.resolved.hasOwnProperty('minimumSignificantDigits')) { |
|||
defineWECProperty(result, 'minimumSignificantDigits', |
|||
format.resolved.minimumSignificantDigits); |
|||
} |
|||
|
|||
if (format.resolved.hasOwnProperty('maximumSignificantDigits')) { |
|||
defineWECProperty(result, 'maximumSignificantDigits', |
|||
format.resolved.maximumSignificantDigits); |
|||
} |
|||
|
|||
return result; |
|||
}, |
|||
ATTRIBUTES.DONT_ENUM |
|||
); |
|||
%FunctionSetName(Intl.NumberFormat.prototype.resolvedOptions, |
|||
'resolvedOptions'); |
|||
%FunctionRemovePrototype(Intl.NumberFormat.prototype.resolvedOptions); |
|||
%SetNativeFlag(Intl.NumberFormat.prototype.resolvedOptions); |
|||
|
|||
|
|||
/** |
|||
* Returns the subset of the given locale list for which this locale list |
|||
* has a matching (possibly fallback) locale. Locales appear in the same |
|||
* order in the returned list as in the input list. |
|||
* Options are optional parameter. |
|||
*/ |
|||
%SetProperty(Intl.NumberFormat, 'supportedLocalesOf', function(locales) { |
|||
if (%_IsConstructCall()) { |
|||
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
|||
} |
|||
|
|||
return supportedLocalesOf('numberformat', locales, arguments[1]); |
|||
}, |
|||
ATTRIBUTES.DONT_ENUM |
|||
); |
|||
%FunctionSetName(Intl.NumberFormat.supportedLocalesOf, 'supportedLocalesOf'); |
|||
%FunctionRemovePrototype(Intl.NumberFormat.supportedLocalesOf); |
|||
%SetNativeFlag(Intl.NumberFormat.supportedLocalesOf); |
|||
|
|||
|
|||
/** |
|||
* Returns a String value representing the result of calling ToNumber(value) |
|||
* according to the effective locale and the formatting options of this |
|||
* NumberFormat. |
|||
*/ |
|||
function formatNumber(formatter, value) { |
|||
// Spec treats -0 and +0 as 0.
|
|||
var number = Number(value); |
|||
if (number === -0) { |
|||
number = 0; |
|||
} |
|||
|
|||
return %InternalNumberFormat(formatter.formatter, number); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Returns a Number that represents string value that was passed in. |
|||
*/ |
|||
function parseNumber(formatter, value) { |
|||
return %InternalNumberParse(formatter.formatter, String(value)); |
|||
} |
|||
|
|||
|
|||
addBoundMethod(Intl.NumberFormat, 'format', formatNumber, 1); |
|||
addBoundMethod(Intl.NumberFormat, 'v8Parse', parseNumber, 1); |
|||
@ -1,220 +0,0 @@ |
|||
// Copyright 2013 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.
|
|||
// limitations under the License.
|
|||
|
|||
// ECMAScript 402 API implementation is broken into separate files for
|
|||
// each service. The build system combines them together into one
|
|||
// Intl namespace.
|
|||
|
|||
|
|||
// Save references to Intl objects and methods we use, for added security.
|
|||
var savedObjects = { |
|||
'collator': Intl.Collator, |
|||
'numberformat': Intl.NumberFormat, |
|||
'dateformatall': Intl.DateTimeFormat, |
|||
'dateformatdate': Intl.DateTimeFormat, |
|||
'dateformattime': Intl.DateTimeFormat |
|||
}; |
|||
|
|||
|
|||
// Default (created with undefined locales and options parameters) collator,
|
|||
// number and date format instances. They'll be created as needed.
|
|||
var defaultObjects = { |
|||
'collator': undefined, |
|||
'numberformat': undefined, |
|||
'dateformatall': undefined, |
|||
'dateformatdate': undefined, |
|||
'dateformattime': undefined, |
|||
}; |
|||
|
|||
|
|||
/** |
|||
* Returns cached or newly created instance of a given service. |
|||
* We cache only default instances (where no locales or options are provided). |
|||
*/ |
|||
function cachedOrNewService(service, locales, options, defaults) { |
|||
var useOptions = (defaults === undefined) ? options : defaults; |
|||
if (locales === undefined && options === undefined) { |
|||
if (defaultObjects[service] === undefined) { |
|||
defaultObjects[service] = new savedObjects[service](locales, useOptions); |
|||
} |
|||
return defaultObjects[service]; |
|||
} |
|||
return new savedObjects[service](locales, useOptions); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Compares this and that, and returns less than 0, 0 or greater than 0 value. |
|||
* Overrides the built-in method. |
|||
*/ |
|||
Object.defineProperty(String.prototype, 'localeCompare', { |
|||
value: function(that) { |
|||
if (%_IsConstructCall()) { |
|||
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
|||
} |
|||
|
|||
if (this === undefined || this === null) { |
|||
throw new TypeError('Method invoked on undefined or null value.'); |
|||
} |
|||
|
|||
var locales = arguments[1]; |
|||
var options = arguments[2]; |
|||
var collator = cachedOrNewService('collator', locales, options); |
|||
return compare(collator, this, that); |
|||
}, |
|||
writable: true, |
|||
configurable: true, |
|||
enumerable: false |
|||
}); |
|||
%FunctionSetName(String.prototype.localeCompare, 'localeCompare'); |
|||
%FunctionRemovePrototype(String.prototype.localeCompare); |
|||
%SetNativeFlag(String.prototype.localeCompare); |
|||
|
|||
|
|||
/** |
|||
* Formats a Number object (this) using locale and options values. |
|||
* If locale or options are omitted, defaults are used. |
|||
*/ |
|||
Object.defineProperty(Number.prototype, 'toLocaleString', { |
|||
value: function() { |
|||
if (%_IsConstructCall()) { |
|||
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
|||
} |
|||
|
|||
if (!(this instanceof Number) && typeof(this) !== 'number') { |
|||
throw new TypeError('Method invoked on an object that is not Number.'); |
|||
} |
|||
|
|||
var locales = arguments[0]; |
|||
var options = arguments[1]; |
|||
var numberFormat = cachedOrNewService('numberformat', locales, options); |
|||
return formatNumber(numberFormat, this); |
|||
}, |
|||
writable: true, |
|||
configurable: true, |
|||
enumerable: false |
|||
}); |
|||
%FunctionSetName(Number.prototype.toLocaleString, 'toLocaleString'); |
|||
%FunctionRemovePrototype(Number.prototype.toLocaleString); |
|||
%SetNativeFlag(Number.prototype.toLocaleString); |
|||
|
|||
|
|||
/** |
|||
* Returns actual formatted date or fails if date parameter is invalid. |
|||
*/ |
|||
function toLocaleDateTime(date, locales, options, required, defaults, service) { |
|||
if (!(date instanceof Date)) { |
|||
throw new TypeError('Method invoked on an object that is not Date.'); |
|||
} |
|||
|
|||
if (isNaN(date)) { |
|||
return 'Invalid Date'; |
|||
} |
|||
|
|||
var internalOptions = toDateTimeOptions(options, required, defaults); |
|||
|
|||
var dateFormat = |
|||
cachedOrNewService(service, locales, options, internalOptions); |
|||
|
|||
return formatDate(dateFormat, date); |
|||
} |
|||
|
|||
|
|||
/** |
|||
* Formats a Date object (this) using locale and options values. |
|||
* If locale or options are omitted, defaults are used - both date and time are |
|||
* present in the output. |
|||
*/ |
|||
Object.defineProperty(Date.prototype, 'toLocaleString', { |
|||
value: function() { |
|||
if (%_IsConstructCall()) { |
|||
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
|||
} |
|||
|
|||
var locales = arguments[0]; |
|||
var options = arguments[1]; |
|||
return toLocaleDateTime( |
|||
this, locales, options, 'any', 'all', 'dateformatall'); |
|||
}, |
|||
writable: true, |
|||
configurable: true, |
|||
enumerable: false |
|||
}); |
|||
%FunctionSetName(Date.prototype.toLocaleString, 'toLocaleString'); |
|||
%FunctionRemovePrototype(Date.prototype.toLocaleString); |
|||
%SetNativeFlag(Date.prototype.toLocaleString); |
|||
|
|||
|
|||
/** |
|||
* Formats a Date object (this) using locale and options values. |
|||
* If locale or options are omitted, defaults are used - only date is present |
|||
* in the output. |
|||
*/ |
|||
Object.defineProperty(Date.prototype, 'toLocaleDateString', { |
|||
value: function() { |
|||
if (%_IsConstructCall()) { |
|||
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
|||
} |
|||
|
|||
var locales = arguments[0]; |
|||
var options = arguments[1]; |
|||
return toLocaleDateTime( |
|||
this, locales, options, 'date', 'date', 'dateformatdate'); |
|||
}, |
|||
writable: true, |
|||
configurable: true, |
|||
enumerable: false |
|||
}); |
|||
%FunctionSetName(Date.prototype.toLocaleDateString, 'toLocaleDateString'); |
|||
%FunctionRemovePrototype(Date.prototype.toLocaleDateString); |
|||
%SetNativeFlag(Date.prototype.toLocaleDateString); |
|||
|
|||
|
|||
/** |
|||
* Formats a Date object (this) using locale and options values. |
|||
* If locale or options are omitted, defaults are used - only time is present |
|||
* in the output. |
|||
*/ |
|||
Object.defineProperty(Date.prototype, 'toLocaleTimeString', { |
|||
value: function() { |
|||
if (%_IsConstructCall()) { |
|||
throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
|||
} |
|||
|
|||
var locales = arguments[0]; |
|||
var options = arguments[1]; |
|||
return toLocaleDateTime( |
|||
this, locales, options, 'time', 'time', 'dateformattime'); |
|||
}, |
|||
writable: true, |
|||
configurable: true, |
|||
enumerable: false |
|||
}); |
|||
%FunctionSetName(Date.prototype.toLocaleTimeString, 'toLocaleTimeString'); |
|||
%FunctionRemovePrototype(Date.prototype.toLocaleTimeString); |
|||
%SetNativeFlag(Date.prototype.toLocaleTimeString); |
|||
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Reference in new issue