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Also produce better error messages when this happens.
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[Bug 550142 "Tcl_ExprObj -> abort"]
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This version builds clean on Solaris/SPARC, with GCC and CC, both with and
without threads and both in 32-bit and 64-bit mode.
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[Bug #217777]
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* tests/expr.test:
* tests/expr-old.test: added tests for 'eq' and 'ne'
* generic/tclExecute.c:
* generic/tclCompile.h: added INST_STREQ and INST_STRNEQ opcodes
that do strict string comparisons.
* generic/tclCompExpr.c: added 'eq' and 'ne' string comparison
operators.
* generic/tclParseExpr.c (GetLexeme): added 'eq' and 'ne' expr
parse terms (string (in)equality check).
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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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* generic/tclParseExpr.c: changed '"' to '\"' to make FreeBSD
happy [Bug: 2625]
* generic/tclProc.c: moved static buf to better location and
changed static msg that would overflow in ProcessProcResultCode
[Bug: 2483] and added Tcl_DStringFree to Tcl_ProcObjCmd.
Also reworked size of static buffers.
* tests/stringObj.test: added test 9.11
* generic/tclStringObj.c: changed Tcl_AppendObjToObj to
properly handle the 1-byte dest and mixed src case where
both had had Unicode string len checks made on them. [Bug: 2678]
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makefile caused when the win/pkgIndex.tcl file was replaced
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