| Commit message (Collapse) | Author | Age | Files | Lines |
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TCL_THREAD_LITERALS, do not worry about interp != NULL when
cleaning up bytecodes.
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shared bytecode structure we have to scan the literal table in
that structure for objects of type "cmdName". These objects hold
references to command structures, possibly in a different
interp, and interfere with the cleanup of the refered commands
(they keep their refcount up). Essentially at least one interp
in a set of clones has a circular reference comand -> proc ->
bytecode -> bytecode data -> cmdName obj -> command which
prevents the command int that interp from being freed, leaking
memory.
The solution employed here is to invalidate the internal
representation of 'cmdName's (but keeping the string rep),
driving the refcount of refered command structures down,
and breaking the cycle.
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* generic/tclBasic.c: Line 3843ff: New Tcl_CloneInterp public API.
* generic/tclProc.c (TclCloneProc): See below. New function.
* generic/tclBasic.c: Tcl_Clone... functions. New. Tcl_CloneInterp
is main entry into this.
* Part of work on more sharing of bytecode information between
structurally equivalent interpreters.
* generic/tclCompile.c (EncodeCmdLocMap): Operate on ByteCodeData
instead of ByteCode.
(TclCleanupByteCode): Deref to ByteCodeData in numerous places.
(TclInitByteCodeObj): s.a.
(TclPrintByteCodeObj): s.a.
(TclPrintInstruction): s.a.
(RecordByteCodeStats): s.a.
* generic/tclLiteral.c (TclReleaseLiteral): s.a.
* generic/tclCompile.h: Split struct ByteCode into two
structures. The new structure carries the shareable bytrecode
information and is named 'ByteCodeData'.
* generic/tclExecute.c (GetExceptRangeForPc): s.a.
(TclExecuteByteCode): s.a.
(PrintByteCodeInfo): s.a.
(ValidatePcAndStackTop): s.a.
(GetSrcInfoForPc): s.a.
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* generic/tclCompile.c (TclCleanupByteCode, RecordByteCodeStats):
* generic/tclLiteral.c:
* generic/tclInt.h:
* generic/tclBasic.c (Tcl_CreateInterp, DeleteInterpProc): add
TCL_THREAD_LITERALS conditional support for making global literals
be thread-global instead of interp-global. This adjusts the
placement and management of the LiteralTable and ByteCodeStats.
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to use a heap variable for the message buffer instead of placing
it on the stack.
* Updated "mod-8-3-1-branch" to head of "core-8-3-1-branch" to get
the newest fixes for tcl 8.3.4 into this branch.
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upfront. The original contents remain and are declared to be the
scratchpad.
* tclCmdMZ.c:
* tclCompCmds.c:
* tclCompile.c:
* tclEvent.c:
* tclExecute.c:
* tclNamesp.c:
* tclParse.c:
* tclProc.c:
* tclUtil.c: More places using TCL_STRUCT_ON_HEAP.
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* tcl.h:
* tclInt.h: Moved the macros to control feature exclusion and
stack manipulation into the private area of the tcl
headers. Renamed the macros for TCL_STRUCT_ON_HEAP to make their
names more sensible.
* tclCmdAH.c:
* tclCompCmds.c:
* tclCompExpr.c:
* tclCompile.c:
* tclExecute.c:
* tclIO.c:
* tclParse.c:
* tclParseExpr.c:
* tclScan.c:
* tclUnixChan.c: Adapted to changed macro names, added some more
places there structures go on the heap instead of the stack.
Fixed a problem with TCL_FMT_STATIC_FLOATBUFFER_SZ which
caused the interp to crash when actually used to reduce the
usage of the stack.
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macros for information on the stack. Parser information on the
stack can now be switched to allocation on the heap.
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Added to internal stubs table. Tclcompiler (Tclpro project)
needs them if used as loadable package under Windows. Changed
signatures. We don't want to describe compiler internal
structures in "tclInt.h".
* generic/tclCompile.h: S.a. Removed function declarations.
* generic/tclCompile.c: S.a. Adapted to changed signatures.
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more aware of TCL_BYTECODE_PRECOMPILED flagged structs (gen'd by
tbcload), to correctly clean them up.
* generic/tclClock.c (FormatClock): moved check for empty format
earlier, commented 0 result return value
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* generic/tclCompile.c: fixed problem where setting to {} array
would intermittently not work. (Fontaine) [Bug: 3339]
* generic/tclCmdMZ.c:
* generic/tclExecute.c: optimized INST_TRY_CVT_TO_NUMERIC to
recognize boolean objects. (Spjuth) [Bug: 2815]
* tests/info.test:
* tests/parseOld.test:
* generic/tclCmdAH.c:
* generic/tclProc.c: changed Tcl_UplevelObjCmd (uplevel) and
Tcl_EvalObjCmd (eval) to use TCL_EVAL_DIRECT in the single arg
case as well, to take advantage of potential pure list input
optimization. This means that it won't get byte compiled though,
which should be acceptable.
* generic/tclBasic.c: made Tcl_EvalObjEx pure list object aware in
the TCL_EVAL_DIRECT case for efficiency.
* generic/tclUtil.c: made Tcl_ConcatObj pure list object aware,
and return a list object in that case [Bug: 2098 2257]
* generic/tclMain.c: changed Tcl_Main to not constantly reuse the
commandPtr object (interactive case) as it could be shared. (Fellows)
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* tests/parseExpr.test:
* tests/string.test:
* generic/tclGet.c:
* generic/tclInt.h:
* generic/tclObj.c:
* generic/tclParseExpr.c:
* generic/tclUtil.c:
* generic/tclExecute.c: added TclCheckBadOctal routine to enhance
error message checking for when users use invalid octal numbers
(like 08), as well as replumbed the Expr*Funcs with a new
VerifyExprObjType to simplify type handling.
* tests/expr.test:
* generic/tclCompile.c: fixed 'bad code length' error for
'expr + {[incr]}' case, with new test case [Bug: 3736]
and seg fault on 'expr + {[error]}' (different cause) that
was caused by a correct optimization that didn't correctly
track how it was modifying the source string in the opt.
The optimization was removed, which means that:
expr 1 + {[string length abc]}
will be not be compiled inline as before, but this should be
written:
expr {1 + [string length abc]}
which will be compiled inline for speed. This prevents
expr 1 + {[mindless error]}
from seg faulting, and only affects optimizations for
degenerate cases [Bug: 3737]
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making triggerPipe non-blocking
* library/tcltest1.0/tcltest.tcl:
* generic/tclThreadTest.c: fixed mem leaks in threads
* generic/tclResult.c: fixed Tcl_AppendResultVA so it only
iterates once over the va_list (avoiding a memcpy of it,
which is not portable).
* generic/regc_color.c: fixed mem leak and assertion, from HS
* generic/tclCompile.c: removed savedChar trick that appeared to
be causing a segv when the literal table was released
* tests/string.test:
* generic/tclCmdMZ.c: fixed [string index] to return ByteArrayObj
when indexing into one (test case string-5.16) [Bug: 2871]
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* doc/OpenFileChnl.3:
* doc/file.n:
* tests/cmdAH.test:
* tclIO.c:
* tclCmdAH.c: added "file channels ?pattern?" tcl command, with
associated Tcl_GetChannelNames and Tcl_GetChannelNamesEx public
C APIs (added to tcl.decls as well), with docs and tests.
* generic/tclCompile.c: add TCL_TOKEN_VARIABLE to the part types
that cause differed compilation for exprs, to correct the expr
double-evaluation problem for vars. Added test cases.
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* generic/tclInt.decls:
* generic/tclCompile.c: Added TclSetByteCodeFromAny that takes a
hook procedure to invoke after compilation but before the byte
codes are emitted. This makes it possible to do postprocessing on
the compiled byte codes before the ByteCode is generated.
* generic/tclLiteral.c: Added TclHideLiteral and TclAddLiteralObj
to make it possible to create local unshared literal objects.
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* generic/tclNamesp.c:
* generic/tclInt.h:
* generic/tclCmdIL.c:
* generic/tclBasic.c:
* generic/tclVar.c: Applied patch from Viktor Dukhovni to
rationalize TCL_LEAVE_ERR_MSG behavior when creating variables.
* generic/tclVar.c: Fixed bug in namespace tail computation.
Fixed bug where upvar could resurrect a namespace variable whose
namespace had been deleted.
* generic/tclCompile.c (TclCompileExprCmd): Eliminated yet another
bogus optimization in expression compilation.
* generic/tclCompile.c (CompileExprWord): Fixed exception stack
overflow bug caused by missing statement. [Bug: 928]
* generic/tclIOCmd.c:
* generic/tclBasic.c: Objectified the "open" command. [Bug: 1113]
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overflow bug caused by missing statement. [Bug: 928]
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deferred resolver caching code to procedure invocation time
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parent workspace "/home/welch/ws/tcl8.0.3".
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parent workspace "/ws/tcl8.0".
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fixed compile procs so they no longer corrupt the exception stack
don't inline expressions when it is unsafe to do so
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- Added the TclGetInstructionTable procedure so that the table can be accessed
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