| Commit message (Collapse) | Author | Age | Files | Lines |
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insuring that no "zombie" variables are found.
* generic/tclVar.c (TclLookupSimpleVar): comments re [Bug 736729]
(predecessor of [Bug 959052]) removed.
* tests/namespace.test: added tests 17.10-12
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(in tcl8.4) exteriorisations of [Bug 736729] due to the use of
tclNsVarNameType obj types. Reenabling the use of this objType
("VAR ref absolute" benchmark down to 66 ms, from 230).
Added comments in TclLookupSimpleVar explaining my current
understanding of [Bug 736729].
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tclNsVarNameType objs is still disabled, pending resolution of
[Bug 736729].
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constraint: [Bug 231259] is closed since nov 2001, and the fix of
[Bug 729692] (INST_START_CMD) makes the test succeed.
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* generic/tclExecute.c (TclExecuteByteCode): reorganised TEBC
automatic variables, defining them in tight blocks instead of at
the function level. This has three purposes:
- it simplifies the analysis of individual instructions
- it is preliminary work to the non-recursive engine
- it allows a better register allocation by the optimiser; under
gcc3.3, this results in up to 10% runtime in some tests
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where there was a sneak path from Tcl_DStringFree to
SetErrorCode(0). The result was that the error code could
be reset between a call to FindFirstFileEx and the check
of its status return, leading to a bizarre error return of
{POSIX unknown {No error}}. (Found in unplanned test -
no incident logged at SourceForge.)
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necessary.
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* tclIO.h: [SF Tcl Bug 462317], see ChangeLog entry
2001-09-26. The fix done at that time is incomplete. It
is possible to get around it if the actual read
operation is defered and not executed in the event
handler itself. Instead of tracking if we are in an
read caused by a synthesized fileevent we now track if
the OS has delivered a true event = actual data and
bypass the driver if a read finds that there is no
actual data waiting. The flag is cleared by a short or
full read.
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* doc/clock.n:
* tests/clock.test: Major rework to the handling of ISO8601
week numbers. Now passes all the %G and %V test cases on
Windows, Linux and Solaris [Bugs #500285, #500389, and #852944]
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the limits if they see fit (as well as extending them).
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classify the variables according to their use in TEBC.
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real command once again. :^)
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* generic/tclExecute.c (TclExecuteByteCode): remove one level of
indirection for compiledLocals addressing.
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indirection for compiledLocals addressing.
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(DE)CACHE_STACK_INFO pair around the call - the user defined math
function could cause a recursive call to TEBC.
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* generic/tclExecute.c (INST_START_CMD): interp deletion now
modifies the compileEpoch, eliminating the need for the check for
interp deletion in INST_START_CMD.
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* generic/tclCompile.c:
* generic/tclExecute.c: changed implementation of {expand}, last
chance while in alpha as ...
***POTENTIAL INCOMPATIBILITY***
Scripts precompiled with ProComp under previous tcl8.5a versions
may malfunction due to changed instruction numbers for
INST_LIST_INDEX_IMM, INST_LIST_RANGE_IMM and INST_START_CMD.
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* generic/tclInt.decls: Promoted TclpLocaltime and TclpGmtime
* generic/tclIntDecls.h: from Unix-specific stubs to the generic
* generic/tclIntPlatDecls.h: internal Stubs table. Reran 'genstubs'
* generic/tclStubInit.c:
* unix/tclUnixPort.h:
* generic/tclClock.c: Changed a buggy 'GMT' timezone specification
to the correct 'GMT0'. [Bug #922848]
* unix/tclUnixThrd.c: Moved TclpGmtime and TclpLocaltime to
unix/tclUnixTime.c where they belong.
* unix/tclUnixTime.c (TclpGmtime, TclpLocaltime, TclpGetTimeZone,
ThreadSafeGMTime [removed],
ThreadSafeLocalTime [removed],
SetTZIfNecessary, CleanupMemory):
Restructured to make sure that the same mutex protects
all calls to localtime, gmtime, and tzset. Added a check
in front of those calls to make sure that the TZ env var
hasn't changed since the last call to tzset, and repeat
tzset if necessary. [Bug #942078] Removed a buggy test
of the Daylight Saving Time information in 'gettimeofday'
in favor of applying 'localtime' to a known value.
[Bug #922848]
* tests/clock.test (clock-3.14): Added test to make sure that
changes to $env(TZ) take effect immediately.
* win/tclWinTime.c (TclpLocaltime, TclpGmtime):
Added porting layer for 'localtime' and 'gmtime' calls.
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* generic/tclCompile.h: the math functions receive a pointer to
top of the stack (tosPtr) instead of the execution environment
(eePtr). First step towards a change in the execution stack
management - it is now only used within TEBC.
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* generic/tclCompile.c (TclCompileScript): avoid emitting
INST_START_CMD as the first instruction in a bytecoded Tcl_Obj. It
is not needed, as the checks are done before calling TEBC.
* generic/tclExecute.c (TclExecuteByteCode): runtime peephole
optimisation: check at INST_POP if the next instruction is
INST_START_CMD, in which case we fall through.
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