mirror of https://github.com/lukechilds/node.git
Ryan Dahl
15 years ago
99 changed files with 4250 additions and 1460 deletions
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// Copyright 2006-2009 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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// Platform specific code for OpenBSD goes here. For the POSIX comaptible parts
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// the implementation is in platform-posix.cc.
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#include <pthread.h> |
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#include <semaphore.h> |
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#include <signal.h> |
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#include <sys/time.h> |
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#include <sys/resource.h> |
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#include <sys/types.h> |
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#include <stdlib.h> |
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#include <sys/types.h> // mmap & munmap |
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#include <sys/mman.h> // mmap & munmap |
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#include <sys/stat.h> // open |
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#include <sys/fcntl.h> // open |
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#include <unistd.h> // getpagesize |
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#include <execinfo.h> // backtrace, backtrace_symbols |
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#include <strings.h> // index |
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#include <errno.h> |
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#include <stdarg.h> |
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#include <limits.h> |
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#undef MAP_TYPE |
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#include "v8.h" |
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#include "platform.h" |
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namespace v8 { |
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namespace internal { |
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// 0 is never a valid thread id on OpenBSD since tids and pids share a
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// name space and pid 0 is used to kill the group (see man 2 kill).
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static const pthread_t kNoThread = (pthread_t) 0; |
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double ceiling(double x) { |
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// Correct as on OS X
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if (-1.0 < x && x < 0.0) { |
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return -0.0; |
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} else { |
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return ceil(x); |
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} |
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} |
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void OS::Setup() { |
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// Seed the random number generator.
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// Convert the current time to a 64-bit integer first, before converting it
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// to an unsigned. Going directly can cause an overflow and the seed to be
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// set to all ones. The seed will be identical for different instances that
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// call this setup code within the same millisecond.
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uint64_t seed = static_cast<uint64_t>(TimeCurrentMillis()); |
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srandom(static_cast<unsigned int>(seed)); |
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} |
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uint64_t OS::CpuFeaturesImpliedByPlatform() { |
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return 0; // OpenBSD runs on anything.
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} |
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int OS::ActivationFrameAlignment() { |
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// 16 byte alignment on OpenBSD
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return 16; |
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} |
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// We keep the lowest and highest addresses mapped as a quick way of
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// determining that pointers are outside the heap (used mostly in assertions
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// and verification). The estimate is conservative, ie, not all addresses in
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// 'allocated' space are actually allocated to our heap. The range is
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// [lowest, highest), inclusive on the low and and exclusive on the high end.
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static void* lowest_ever_allocated = reinterpret_cast<void*>(-1); |
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static void* highest_ever_allocated = reinterpret_cast<void*>(0); |
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static void UpdateAllocatedSpaceLimits(void* address, int size) { |
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lowest_ever_allocated = Min(lowest_ever_allocated, address); |
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highest_ever_allocated = |
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Max(highest_ever_allocated, |
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reinterpret_cast<void*>(reinterpret_cast<char*>(address) + size)); |
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} |
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bool OS::IsOutsideAllocatedSpace(void* address) { |
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return address < lowest_ever_allocated || address >= highest_ever_allocated; |
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} |
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size_t OS::AllocateAlignment() { |
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return getpagesize(); |
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} |
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void* OS::Allocate(const size_t requested, |
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size_t* allocated, |
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bool executable) { |
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const size_t msize = RoundUp(requested, getpagesize()); |
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int prot = PROT_READ | PROT_WRITE | (executable ? PROT_EXEC : 0); |
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void* mbase = mmap(NULL, msize, prot, MAP_PRIVATE | MAP_ANON, -1, 0); |
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if (mbase == MAP_FAILED) { |
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LOG(StringEvent("OS::Allocate", "mmap failed")); |
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return NULL; |
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} |
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*allocated = msize; |
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UpdateAllocatedSpaceLimits(mbase, msize); |
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return mbase; |
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} |
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void OS::Free(void* buf, const size_t length) { |
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int result = munmap(buf, length); |
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USE(result); |
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ASSERT(result == 0); |
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} |
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#ifdef ENABLE_HEAP_PROTECTION |
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void OS::Protect(void* address, size_t size) { |
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UNIMPLEMENTED(); |
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} |
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void OS::Unprotect(void* address, size_t size, bool is_executable) { |
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UNIMPLEMENTED(); |
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} |
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#endif |
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void OS::Sleep(int milliseconds) { |
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unsigned int ms = static_cast<unsigned int>(milliseconds); |
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usleep(1000 * ms); |
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} |
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void OS::Abort() { |
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// Redirect to std abort to signal abnormal program termination.
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abort(); |
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} |
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void OS::DebugBreak() { |
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#if defined(__arm__) || defined(__thumb__) |
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asm("bkpt 0"); |
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#else |
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asm("int $3"); |
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#endif |
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} |
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class PosixMemoryMappedFile : public OS::MemoryMappedFile { |
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public: |
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PosixMemoryMappedFile(FILE* file, void* memory, int size) |
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: file_(file), memory_(memory), size_(size) { } |
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virtual ~PosixMemoryMappedFile(); |
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virtual void* memory() { return memory_; } |
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private: |
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FILE* file_; |
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void* memory_; |
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int size_; |
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}; |
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OS::MemoryMappedFile* OS::MemoryMappedFile::create(const char* name, int size, |
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void* initial) { |
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FILE* file = fopen(name, "w+"); |
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if (file == NULL) return NULL; |
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int result = fwrite(initial, size, 1, file); |
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if (result < 1) { |
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fclose(file); |
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return NULL; |
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} |
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void* memory = |
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mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, fileno(file), 0); |
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return new PosixMemoryMappedFile(file, memory, size); |
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} |
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PosixMemoryMappedFile::~PosixMemoryMappedFile() { |
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if (memory_) munmap(memory_, size_); |
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fclose(file_); |
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} |
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#ifdef ENABLE_LOGGING_AND_PROFILING |
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static unsigned StringToLong(char* buffer) { |
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return static_cast<unsigned>(strtol(buffer, NULL, 16)); // NOLINT
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} |
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#endif |
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void OS::LogSharedLibraryAddresses() { |
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#ifdef ENABLE_LOGGING_AND_PROFILING |
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static const int MAP_LENGTH = 1024; |
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int fd = open("/proc/self/maps", O_RDONLY); |
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if (fd < 0) return; |
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while (true) { |
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char addr_buffer[11]; |
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addr_buffer[0] = '0'; |
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addr_buffer[1] = 'x'; |
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addr_buffer[10] = 0; |
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int result = read(fd, addr_buffer + 2, 8); |
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if (result < 8) break; |
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unsigned start = StringToLong(addr_buffer); |
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result = read(fd, addr_buffer + 2, 1); |
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if (result < 1) break; |
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if (addr_buffer[2] != '-') break; |
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result = read(fd, addr_buffer + 2, 8); |
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if (result < 8) break; |
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unsigned end = StringToLong(addr_buffer); |
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char buffer[MAP_LENGTH]; |
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int bytes_read = -1; |
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do { |
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bytes_read++; |
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if (bytes_read >= MAP_LENGTH - 1) |
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break; |
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result = read(fd, buffer + bytes_read, 1); |
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if (result < 1) break; |
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} while (buffer[bytes_read] != '\n'); |
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buffer[bytes_read] = 0; |
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// Ignore mappings that are not executable.
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if (buffer[3] != 'x') continue; |
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char* start_of_path = index(buffer, '/'); |
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// There may be no filename in this line. Skip to next.
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if (start_of_path == NULL) continue; |
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buffer[bytes_read] = 0; |
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LOG(SharedLibraryEvent(start_of_path, start, end)); |
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} |
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close(fd); |
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#endif |
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} |
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int OS::StackWalk(Vector<OS::StackFrame> frames) { |
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UNIMPLEMENTED(); |
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return 1; |
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} |
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// Constants used for mmap.
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static const int kMmapFd = -1; |
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static const int kMmapFdOffset = 0; |
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VirtualMemory::VirtualMemory(size_t size) { |
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address_ = mmap(NULL, size, PROT_NONE, |
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MAP_PRIVATE | MAP_ANON | MAP_NORESERVE, |
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kMmapFd, kMmapFdOffset); |
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size_ = size; |
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} |
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VirtualMemory::~VirtualMemory() { |
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if (IsReserved()) { |
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if (0 == munmap(address(), size())) address_ = MAP_FAILED; |
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} |
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} |
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bool VirtualMemory::IsReserved() { |
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return address_ != MAP_FAILED; |
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} |
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bool VirtualMemory::Commit(void* address, size_t size, bool executable) { |
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int prot = PROT_READ | PROT_WRITE | (executable ? PROT_EXEC : 0); |
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if (MAP_FAILED == mmap(address, size, prot, |
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MAP_PRIVATE | MAP_ANON | MAP_FIXED, |
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kMmapFd, kMmapFdOffset)) { |
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return false; |
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} |
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UpdateAllocatedSpaceLimits(address, size); |
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return true; |
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} |
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bool VirtualMemory::Uncommit(void* address, size_t size) { |
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return mmap(address, size, PROT_NONE, |
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MAP_PRIVATE | MAP_ANON | MAP_NORESERVE, |
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kMmapFd, kMmapFdOffset) != MAP_FAILED; |
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} |
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class ThreadHandle::PlatformData : public Malloced { |
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public: |
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explicit PlatformData(ThreadHandle::Kind kind) { |
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Initialize(kind); |
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} |
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void Initialize(ThreadHandle::Kind kind) { |
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switch (kind) { |
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case ThreadHandle::SELF: thread_ = pthread_self(); break; |
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case ThreadHandle::INVALID: thread_ = kNoThread; break; |
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} |
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} |
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pthread_t thread_; // Thread handle for pthread.
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}; |
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ThreadHandle::ThreadHandle(Kind kind) { |
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data_ = new PlatformData(kind); |
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} |
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void ThreadHandle::Initialize(ThreadHandle::Kind kind) { |
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data_->Initialize(kind); |
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} |
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ThreadHandle::~ThreadHandle() { |
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delete data_; |
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} |
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bool ThreadHandle::IsSelf() const { |
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return pthread_equal(data_->thread_, pthread_self()); |
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} |
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bool ThreadHandle::IsValid() const { |
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return data_->thread_ != kNoThread; |
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} |
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Thread::Thread() : ThreadHandle(ThreadHandle::INVALID) { |
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} |
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Thread::~Thread() { |
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} |
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static void* ThreadEntry(void* arg) { |
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Thread* thread = reinterpret_cast<Thread*>(arg); |
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// This is also initialized by the first argument to pthread_create() but we
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// don't know which thread will run first (the original thread or the new
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// one) so we initialize it here too.
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thread->thread_handle_data()->thread_ = pthread_self(); |
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ASSERT(thread->IsValid()); |
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thread->Run(); |
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return NULL; |
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} |
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void Thread::Start() { |
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pthread_create(&thread_handle_data()->thread_, NULL, ThreadEntry, this); |
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ASSERT(IsValid()); |
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} |
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void Thread::Join() { |
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pthread_join(thread_handle_data()->thread_, NULL); |
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} |
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Thread::LocalStorageKey Thread::CreateThreadLocalKey() { |
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pthread_key_t key; |
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int result = pthread_key_create(&key, NULL); |
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USE(result); |
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ASSERT(result == 0); |
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return static_cast<LocalStorageKey>(key); |
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} |
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void Thread::DeleteThreadLocalKey(LocalStorageKey key) { |
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pthread_key_t pthread_key = static_cast<pthread_key_t>(key); |
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int result = pthread_key_delete(pthread_key); |
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USE(result); |
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ASSERT(result == 0); |
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} |
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void* Thread::GetThreadLocal(LocalStorageKey key) { |
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pthread_key_t pthread_key = static_cast<pthread_key_t>(key); |
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return pthread_getspecific(pthread_key); |
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} |
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void Thread::SetThreadLocal(LocalStorageKey key, void* value) { |
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pthread_key_t pthread_key = static_cast<pthread_key_t>(key); |
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pthread_setspecific(pthread_key, value); |
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} |
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void Thread::YieldCPU() { |
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sched_yield(); |
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} |
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class OpenBSDMutex : public Mutex { |
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public: |
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OpenBSDMutex() { |
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pthread_mutexattr_t attrs; |
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int result = pthread_mutexattr_init(&attrs); |
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ASSERT(result == 0); |
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result = pthread_mutexattr_settype(&attrs, PTHREAD_MUTEX_RECURSIVE); |
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ASSERT(result == 0); |
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result = pthread_mutex_init(&mutex_, &attrs); |
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ASSERT(result == 0); |
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} |
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virtual ~OpenBSDMutex() { pthread_mutex_destroy(&mutex_); } |
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virtual int Lock() { |
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int result = pthread_mutex_lock(&mutex_); |
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return result; |
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} |
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virtual int Unlock() { |
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int result = pthread_mutex_unlock(&mutex_); |
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return result; |
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} |
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private: |
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|
pthread_mutex_t mutex_; // Pthread mutex for POSIX platforms.
|
||||
|
}; |
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||||
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||||
|
Mutex* OS::CreateMutex() { |
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|
return new OpenBSDMutex(); |
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|
} |
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||||
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class OpenBSDSemaphore : public Semaphore { |
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public: |
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explicit OpenBSDSemaphore(int count) { sem_init(&sem_, 0, count); } |
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virtual ~OpenBSDSemaphore() { sem_destroy(&sem_); } |
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virtual void Wait(); |
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virtual bool Wait(int timeout); |
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|
virtual void Signal() { sem_post(&sem_); } |
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|
private: |
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|
sem_t sem_; |
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|
}; |
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void OpenBSDSemaphore::Wait() { |
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while (true) { |
||||
|
int result = sem_wait(&sem_); |
||||
|
if (result == 0) return; // Successfully got semaphore.
|
||||
|
CHECK(result == -1 && errno == EINTR); // Signal caused spurious wakeup.
|
||||
|
} |
||||
|
} |
||||
|
|
||||
|
|
||||
|
bool OpenBSDSemaphore::Wait(int timeout) { |
||||
|
const long kOneSecondMicros = 1000000; // NOLINT
|
||||
|
|
||||
|
// Split timeout into second and nanosecond parts.
|
||||
|
struct timeval delta; |
||||
|
delta.tv_usec = timeout % kOneSecondMicros; |
||||
|
delta.tv_sec = timeout / kOneSecondMicros; |
||||
|
|
||||
|
struct timeval current_time; |
||||
|
// Get the current time.
|
||||
|
if (gettimeofday(¤t_time, NULL) == -1) { |
||||
|
return false; |
||||
|
} |
||||
|
|
||||
|
// Calculate time for end of timeout.
|
||||
|
struct timeval end_time; |
||||
|
timeradd(¤t_time, &delta, &end_time); |
||||
|
|
||||
|
struct timespec ts; |
||||
|
TIMEVAL_TO_TIMESPEC(&end_time, &ts); |
||||
|
while (true) { |
||||
|
int result = sem_trywait(&sem_); |
||||
|
if (result == 0) return true; // Successfully got semaphore.
|
||||
|
if (result == -1 && errno == ETIMEDOUT) return false; // Timeout.
|
||||
|
CHECK(result == -1 && errno == EINTR); // Signal caused spurious wakeup.
|
||||
|
} |
||||
|
} |
||||
|
|
||||
|
|
||||
|
Semaphore* OS::CreateSemaphore(int count) { |
||||
|
return new OpenBSDSemaphore(count); |
||||
|
} |
||||
|
|
||||
|
|
||||
|
#ifdef ENABLE_LOGGING_AND_PROFILING |
||||
|
|
||||
|
static Sampler* active_sampler_ = NULL; |
||||
|
|
||||
|
static void ProfilerSignalHandler(int signal, siginfo_t* info, void* context) { |
||||
|
USE(info); |
||||
|
if (signal != SIGPROF) return; |
||||
|
if (active_sampler_ == NULL) return; |
||||
|
|
||||
|
TickSample sample; |
||||
|
|
||||
|
// We always sample the VM state.
|
||||
|
sample.state = Logger::state(); |
||||
|
|
||||
|
active_sampler_->Tick(&sample); |
||||
|
} |
||||
|
|
||||
|
|
||||
|
class Sampler::PlatformData : public Malloced { |
||||
|
public: |
||||
|
PlatformData() { |
||||
|
signal_handler_installed_ = false; |
||||
|
} |
||||
|
|
||||
|
bool signal_handler_installed_; |
||||
|
struct sigaction old_signal_handler_; |
||||
|
struct itimerval old_timer_value_; |
||||
|
}; |
||||
|
|
||||
|
|
||||
|
Sampler::Sampler(int interval, bool profiling) |
||||
|
: interval_(interval), profiling_(profiling), active_(false) { |
||||
|
data_ = new PlatformData(); |
||||
|
} |
||||
|
|
||||
|
|
||||
|
Sampler::~Sampler() { |
||||
|
delete data_; |
||||
|
} |
||||
|
|
||||
|
|
||||
|
void Sampler::Start() { |
||||
|
// There can only be one active sampler at the time on POSIX
|
||||
|
// platforms.
|
||||
|
if (active_sampler_ != NULL) return; |
||||
|
|
||||
|
// Request profiling signals.
|
||||
|
struct sigaction sa; |
||||
|
sa.sa_sigaction = ProfilerSignalHandler; |
||||
|
sigemptyset(&sa.sa_mask); |
||||
|
sa.sa_flags = SA_SIGINFO; |
||||
|
if (sigaction(SIGPROF, &sa, &data_->old_signal_handler_) != 0) return; |
||||
|
data_->signal_handler_installed_ = true; |
||||
|
|
||||
|
// Set the itimer to generate a tick for each interval.
|
||||
|
itimerval itimer; |
||||
|
itimer.it_interval.tv_sec = interval_ / 1000; |
||||
|
itimer.it_interval.tv_usec = (interval_ % 1000) * 1000; |
||||
|
itimer.it_value.tv_sec = itimer.it_interval.tv_sec; |
||||
|
itimer.it_value.tv_usec = itimer.it_interval.tv_usec; |
||||
|
setitimer(ITIMER_PROF, &itimer, &data_->old_timer_value_); |
||||
|
|
||||
|
// Set this sampler as the active sampler.
|
||||
|
active_sampler_ = this; |
||||
|
active_ = true; |
||||
|
} |
||||
|
|
||||
|
|
||||
|
void Sampler::Stop() { |
||||
|
// Restore old signal handler
|
||||
|
if (data_->signal_handler_installed_) { |
||||
|
setitimer(ITIMER_PROF, &data_->old_timer_value_, NULL); |
||||
|
sigaction(SIGPROF, &data_->old_signal_handler_, 0); |
||||
|
data_->signal_handler_installed_ = false; |
||||
|
} |
||||
|
|
||||
|
// This sampler is no longer the active sampler.
|
||||
|
active_sampler_ = NULL; |
||||
|
active_ = false; |
||||
|
} |
||||
|
|
||||
|
#endif // ENABLE_LOGGING_AND_PROFILING
|
||||
|
|
||||
|
} } // namespace v8::internal
|
||||
@ -0,0 +1,164 @@ |
|||||
|
// Copyright 2009 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.
|
||||
|
// Testing basic functionality of the arguments object.
|
||||
|
// Introduced to ensure that the fast compiler does the right thing.
|
||||
|
// The arguments object itself.
|
||||
|
assertEquals(42, function(){ return arguments;}(42)[0], |
||||
|
"return arguments value"); |
||||
|
assertEquals(42, function(){ return arguments;}(42)[0], |
||||
|
"arguments in plain value context"); |
||||
|
assertEquals(42, function(){ arguments;return 42}(37), |
||||
|
"arguments in effect context"); |
||||
|
assertEquals(42, function(){ if(arguments)return 42;}(), |
||||
|
"arguments in a boolean context"); |
||||
|
assertEquals(42, function(){ return arguments || true;}(42)[0], |
||||
|
"arguments in a short-circuit boolean context - or"); |
||||
|
assertEquals(true, function(){ return arguments && [true];}(42)[0], |
||||
|
"arguments in a short-circuit boolean context - and"); |
||||
|
assertEquals(42, function(){ arguments = 42; return 42;}(), |
||||
|
"arguments assignment"); |
||||
|
// Properties of the arguments object.
|
||||
|
assertEquals(42, function(){ return arguments[0]; }(42), |
||||
|
"args[0] value returned"); |
||||
|
assertEquals(42, function(){ arguments[0]; return 42}(), |
||||
|
"args[0] value ignored"); |
||||
|
assertEquals(42, function(){ if (arguments[0]) return 42; }(37), |
||||
|
"args[0] to boolean"); |
||||
|
assertEquals(42, function(){ return arguments[0] || "no"; }(42), |
||||
|
"args[0] short-circuit boolean or true"); |
||||
|
assertEquals(42, function(){ return arguments[0] || 42; }(0), |
||||
|
"args[0] short-circuit boolean or false"); |
||||
|
assertEquals(37, function(){ return arguments[0] && 37; }(42), |
||||
|
"args[0] short-circuit boolean and true"); |
||||
|
assertEquals(0, function(){ return arguments[0] && 42; }(0), |
||||
|
"args[0] short-circuit boolean and false"); |
||||
|
assertEquals(42, function(){ arguments[0] = 42; return arguments[0]; }(37), |
||||
|
"args[0] assignment"); |
||||
|
// Link between arguments and parameters.
|
||||
|
assertEquals(42, function(a) { arguments[0] = 42; return a; }(37), |
||||
|
"assign args[0]->a"); |
||||
|
assertEquals(42, function(a) { a = 42; return arguments[0]; }(37), |
||||
|
"assign a->args[0]"); |
||||
|
assertEquals(54, function(a, b) { arguments[1] = 54; return b; }(42, 37), |
||||
|
"assign args[1]->b:b"); |
||||
|
assertEquals(54, function(a, b) { b = 54; return arguments[1]; }(42, 47), |
||||
|
"assign b->args[1]:b"); |
||||
|
assertEquals(42, function(a, b) { arguments[1] = 54; return a; }(42, 37), |
||||
|
"assign args[1]->b:a"); |
||||
|
assertEquals(42, function(a, b) { b = 54; return arguments[0]; }(42, 47), |
||||
|
"assign b->args[1]:a"); |
||||
|
|
||||
|
// Capture parameters in nested contexts.
|
||||
|
assertEquals(33, |
||||
|
function(a,b) { |
||||
|
return a + arguments[0] + |
||||
|
function(b){ return a + b + arguments[0]; }(b); }(7,6), |
||||
|
"captured parameters"); |
||||
|
assertEquals(42, function(a) { |
||||
|
arguments[0] = 42; |
||||
|
return function(b){ return a; }(); |
||||
|
}(37), |
||||
|
"capture value returned"); |
||||
|
assertEquals(42, |
||||
|
function(a) { |
||||
|
arguments[0] = 26; |
||||
|
return function(b){ a; return 42; }(); |
||||
|
}(37), |
||||
|
"capture value ignored"); |
||||
|
assertEquals(42, |
||||
|
function(a) { |
||||
|
arguments[0] = 26; |
||||
|
return function(b){ if (a) return 42; }(); |
||||
|
}(37), |
||||
|
"capture to boolean"); |
||||
|
assertEquals(42, |
||||
|
function(a) { |
||||
|
arguments[0] = 42; |
||||
|
return function(b){ return a || "no"; }(); |
||||
|
}(37), |
||||
|
"capture short-circuit boolean or true"); |
||||
|
assertEquals(0, |
||||
|
function(a) { |
||||
|
arguments[0] = 0; |
||||
|
return function(b){ return a && 42; }(); |
||||
|
}(37), |
||||
|
"capture short-circuit boolean and false"); |
||||
|
// Deeply nested.
|
||||
|
assertEquals(42, |
||||
|
function(a,b) { |
||||
|
return arguments[2] + |
||||
|
function(){ |
||||
|
return b + |
||||
|
function() { |
||||
|
return a; |
||||
|
}(); |
||||
|
}(); |
||||
|
}(7,14,21), |
||||
|
"deep nested capture"); |
||||
|
|
||||
|
// Assignment to captured parameters.
|
||||
|
assertEquals(42, function(a,b) { |
||||
|
arguments[1] = 11; |
||||
|
return a + function(){ a = b; return a; }() + a; |
||||
|
}(20, 37), "captured assignment"); |
||||
|
|
||||
|
// Inside non-function scopes.
|
||||
|
assertEquals(42, |
||||
|
function(a) { |
||||
|
arguments[0] = 20; |
||||
|
with ({ b : 22 }) { return a + b; } |
||||
|
}(37), |
||||
|
"a in with"); |
||||
|
assertEquals(42, |
||||
|
function(a) { |
||||
|
with ({ b : 22 }) { return arguments[0] + b; } |
||||
|
}(20), |
||||
|
"args in with"); |
||||
|
assertEquals(42, |
||||
|
function(a) { |
||||
|
arguments[0] = 20; |
||||
|
with ({ b : 22 }) { |
||||
|
return function() { return a; }() + b; } |
||||
|
}(37), |
||||
|
"captured a in with"); |
||||
|
assertEquals(42, |
||||
|
function(a) { |
||||
|
arguments[0] = 12; |
||||
|
with ({ b : 22 }) { |
||||
|
return function f() { |
||||
|
try { throw 8 } catch(e) { return e + a }; |
||||
|
}() + b; |
||||
|
} |
||||
|
}(37), |
||||
|
"in a catch in a named function captured a in with "); |
||||
|
// Escaping arguments.
|
||||
|
function weirdargs(a,b,c) { if (!a) return arguments; |
||||
|
return [b[2],c]; } |
||||
|
var args1 = weirdargs(false, null, 40); |
||||
|
var res = weirdargs(true, args1, 15); |
||||
|
assertEquals(40, res[0], "return old args element"); |
||||
|
assertEquals(15, res[1], "return own args element"); |
||||
@ -0,0 +1,33 @@ |
|||||
|
// Copyright 2009 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.
|
||||
|
|
||||
|
// Flags: --allow-natives-syntax
|
||||
|
|
||||
|
// Test call of JS runtime functions.
|
||||
|
|
||||
|
var a = %GlobalParseInt("21", 16); |
||||
|
assertEquals(33, a); |
||||
@ -0,0 +1,57 @@ |
|||||
|
// Copyright 2009 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.
|
||||
|
|
||||
|
// Test object literals with getter, setter and prototype properties.
|
||||
|
|
||||
|
var o = { x: 41, get bar() { return {x:42} } }; |
||||
|
|
||||
|
assertEquals(41, o.x); |
||||
|
assertEquals(42, o.bar.x); |
||||
|
|
||||
|
o = { f: function() { return 41 }, |
||||
|
get bar() { return this.x }, |
||||
|
x:0, |
||||
|
set bar(t) { this.x = t }, |
||||
|
g: function() { return 43 } |
||||
|
}; |
||||
|
o.bar = 7; |
||||
|
assertEquals(7, o.bar); |
||||
|
assertEquals(7, o.x); |
||||
|
assertEquals(41, o.f()); |
||||
|
assertEquals(43, o.g()); |
||||
|
|
||||
|
p = {x:42}; |
||||
|
o = {get foo() { return this.x; }, |
||||
|
f: function() { return this.foo + 1 }, |
||||
|
set bar(t) { this.x = t; }, |
||||
|
__proto__: p, |
||||
|
}; |
||||
|
assertEquals(42, o.x); |
||||
|
assertEquals(42, o.foo); |
||||
|
assertEquals(43, o.f()); |
||||
|
o.bar = 44; |
||||
|
assertEquals(44, o.foo); |
||||
@ -0,0 +1,32 @@ |
|||||
|
// Copyright 2009 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.
|
||||
|
|
||||
|
// Test object literals with computed property and getter.
|
||||
|
|
||||
|
var o = { foo: function() { }, get bar() { return {x:42} } }; |
||||
|
|
||||
|
assertEquals(42, o.bar.x); |
||||
@ -0,0 +1,77 @@ |
|||||
|
// Copyright 2009 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.
|
||||
|
|
||||
|
// Check what we do if toLocaleString doesn't return a string when we are
|
||||
|
// calling Array.prototype.toLocaleString. The standard is somewhat
|
||||
|
// vague on this point. This test is now passed by both V8 and JSC.
|
||||
|
|
||||
|
var evil_called = 0; |
||||
|
var evil_locale_called = 0; |
||||
|
var exception_thrown = 0; |
||||
|
|
||||
|
function evil_to_string() { |
||||
|
evil_called++; |
||||
|
return this; |
||||
|
} |
||||
|
|
||||
|
function evil_to_locale_string() { |
||||
|
evil_locale_called++; |
||||
|
return this; |
||||
|
} |
||||
|
|
||||
|
var o = {toString: evil_to_string, toLocaleString: evil_to_locale_string}; |
||||
|
|
||||
|
try { |
||||
|
[o].toLocaleString(); |
||||
|
} catch(e) { |
||||
|
exception_thrown++; |
||||
|
} |
||||
|
|
||||
|
assertEquals(1, evil_called, "evil1"); |
||||
|
assertEquals(1, evil_locale_called, "local1"); |
||||
|
assertEquals(1, exception_thrown, "exception1"); |
||||
|
|
||||
|
try { |
||||
|
[o].toString(); |
||||
|
} catch(e) { |
||||
|
exception_thrown++; |
||||
|
} |
||||
|
|
||||
|
assertEquals(2, evil_called, "evil2"); |
||||
|
assertEquals(1, evil_locale_called, "local2"); |
||||
|
assertEquals(2, exception_thrown, "exception2"); |
||||
|
|
||||
|
try { |
||||
|
[o].join(o); |
||||
|
} catch(e) { |
||||
|
exception_thrown++; |
||||
|
} |
||||
|
|
||||
|
assertEquals(3, evil_called, "evil3"); |
||||
|
assertEquals(1, evil_locale_called, "local3"); |
||||
|
assertEquals(3, exception_thrown, "exception3"); |
||||
|
print("ok"); |
||||
@ -0,0 +1,40 @@ |
|||||
|
// Copyright 2008 the V8 project authors. All rights reserved.
|
||||
|
// Redistribution and use in source and binary forms, with or without
|
||||
|
// modification, are permitted provided that the following conditions are
|
||||
|
// met:
|
||||
|
//
|
||||
|
// * Redistributions of source code must retain the above copyright
|
||||
|
// notice, this list of conditions and the following disclaimer.
|
||||
|
// * Redistributions in binary form must reproduce the above
|
||||
|
// copyright notice, this list of conditions and the following
|
||||
|
// disclaimer in the documentation and/or other materials provided
|
||||
|
// with the distribution.
|
||||
|
// * Neither the name of Google Inc. nor the names of its
|
||||
|
// contributors may be used to endorse or promote products derived
|
||||
|
// from this software without specific prior written permission.
|
||||
|
//
|
||||
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
|
||||
|
// Flags: --nofast-compiler
|
||||
|
|
||||
|
// The type of a regular expression should be 'function', including in
|
||||
|
// the context of string equality comparisons.
|
||||
|
|
||||
|
var r = new RegExp; |
||||
|
assertEquals('function', typeof r); |
||||
|
assertTrue(typeof r == 'function'); |
||||
|
|
||||
|
function test(x, y) { return x == y; } |
||||
|
assertFalse(test('object', typeof r)); |
||||
|
|
||||
|
assertFalse(typeof r == 'object'); |
||||
Loading…
Reference in new issue