371ddc7103
Fixed typo in v8.h. git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@62 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
191 lines
6.9 KiB
Plaintext
191 lines
6.9 KiB
Plaintext
2008-09-01: Version 0.2.4
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Included mjsunit JavaScript test suite and C++ unit tests.
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Changed the shell sample to not print the result of executing a
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script provided on the command line.
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Fixed issue when building samples on Windows using a shared V8
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library. Added visibility option on Linux build which makes the
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generated library 18% smaller.
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Changed build system to accept multiple build modes in one build
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and generate separate objects, libraries and executables for each
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mode.
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Removed deferred negation optimization (a * -b => -(a * b)) since
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this visibly changes operand conversion order.
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Improved parsing performance by introducing stack guard in
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preparsing. Without a stack guard preparsing always bails out
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with stack overflow.
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Changed shell sample to take flags directly from the command-line.
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Added API call that implements this.
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Added load, quit and version functions to the shell sample so it's
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easier to run benchmarks and tests.
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Fixed issue with building samples and cctests on 64-bit machines.
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Fixed bug in the runtime system where the prototype chain was not
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always searched for a setter when setting a property that does not
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exist locally.
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2008-08-14: Version 0.2.3
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Improved performance of garbage collection by moving the
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function that updates pointers during compacting collection
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into the updating visitor. This gives the compiler a better
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chance to inline and avoid a function call per (potential)
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pointer.
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Extended the shell sample with a --runtime-flags option.
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Added Visual Studio project files for the shell.cc and
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process.cc samples.
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2008-08-13: Version 0.2.2
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Improved performance of garbage collection by changing the way
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we use the marking stack in the event of stack overflow during
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full garbage collection and by changing the way we mark roots.
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Cleaned up ARM version by removing top of stack caching and by
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introducing push/pop elimination.
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Cleaned up the way runtime functions are called to allow
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runtime calls with no arguments.
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Changed Windows build options to make sure that exceptions are
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disabled and that optimization flags are enabled.
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Added first version of Visual Studio project files.
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2008-08-06: Version 0.2.1
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Improved performance of unary addition by avoiding runtime calls.
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Fixed the handling of '>' and '<=' to use right-to-left conversion
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and left-to-right evaluation as specified by ECMA-262.
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Fixed a branch elimination bug on the ARM platform where incorrect
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code was generated because of overly aggressive branch
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elimination.
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Improved performance of code that repeatedly assigns the same
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function to the same property of different objects with the same
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map.
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Untangled DEBUG and ENABLE_DISASSEMBLER defines. The disassembler
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no longer expects DEBUG to be defined.
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Added platform-nullos.cc to serve as the basis for new platform
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implementations.
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2008-07-30: Version 0.2.0
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Changed all text files to have native svn:eol-style.
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Added a few samples and support for building them. The samples
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include a simple shell that can be used to benchmark and test V8.
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Changed V8::GetVersion to return the version as a string.
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Added source for lazily loaded scripts to snapshots and made
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serialization non-destructive.
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Improved ARM support by fixing the write barrier code to use
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aligned loads and stores and by removing premature locals
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optimization that relied on broken support for callee-saved
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registers (removed).
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Refactored the code for marking live objects during garbage
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collection and the code for allocating objects in paged
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spaces. Introduced an abstraction for the map word of a heap-
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allocated object and changed the memory allocator to allocate
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executable memory only for spaces that may contain code objects.
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Moved StringBuilder to utils.h and ScopedLock to platform.h, where
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they can be used by debugging and logging modules. Added
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thread-safe message queues for dealing with debugger events.
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Fixed the source code reported by toString for certain builtin
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empty functions and made sure that the prototype property of a
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function is enumerable.
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Improved performance of converting values to condition flags in
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generated code.
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Merged disassembler-{arch} files.
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2008-07-28: Version 0.1.4
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Added support for storing JavaScript stack traces in a stack
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allocated buffer to make it visible in shallow core dumps.
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Controlled by the --preallocate-message-memory flag which is
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disabled by default.
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2008-07-25: Version 0.1.3
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Fixed bug in JSObject::GetPropertyAttributePostInterceptor where
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map transitions would count as properties.
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Allowed aliased eval invocations by treating them as evals in the
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global context. This may change in the future.
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Added support for accessing the last entered context through the
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API and renamed Context::Current to Context::GetCurrent and
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Context::GetSecurityContext to Context::GetCurrentSecurityContext.
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Fixed bug in the debugger that would cause the debugger scripts to
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be recursively loaded and changed all disabling of interrupts to
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be block-structured.
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Made snapshot data read-only to allow it to be more easily shared
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across multiple users of V8 when linked as a shared library.
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2008-07-16: Version 0.1.2
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Fixed building on Mac OS X by recognizing i386 and friends as
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IA-32 platforms.
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Added propagation of stack overflow exceptions that occur while
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compiling nested functions.
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Improved debugger with support for recursive break points and
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handling of exceptions that occur in the debugger JavaScript code.
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Renamed GetInternal to GetInternalField and SetInternal to
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SetInternalField in the API and moved InternalFieldCount and
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SetInternalFieldCount from FunctionTemplate to ObjectTemplate.
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2008-07-09: Version 0.1.1
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Fixed bug in stack overflow check code for IA-32 targets where a
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non-tagged value in register eax was pushed to the stack.
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Fixed potential quadratic behavior when converting strings to
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numbers.
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Fixed bug where the return value from Object::SetProperty could
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end up being the property holder instead of the written value.
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Improved debugger support by allowing nested break points and by
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dealing with stack-overflows when compiling functions before
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setting break points in them.
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2008-07-03: Version 0.1.0
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Initial export.
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