[Tcl-bugs] [ tcl-Bugs-910595 ] Tcl_ParseExpr not as documented

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Bugs item #910595, was opened at 2004-03-05 12:31
Message generated for change (Comment added) made by dgp
You can respond by visiting: 
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Category: 44. Parsing and Eval
Group: current: 8.5a1
>Status: Closed
>Resolution: Fixed
Priority: 5
Submitted By: Don Porter (dgp)
>Assigned to: Don Porter (dgp)
Summary: Tcl_ParseExpr not as documented

Initial Comment:

Docs for Tcl_ParseExpr() claim:

"...Only the token information in the Tcl_Parse structure
     is  modified:  the  commentStart, commentSize,
commandStart,
     and commandSize fields are not modified by
Tcl_ParseExpr."

This is not true, and appears to have
never been true.

In fact, T_PE sets those fields to their
initialized values of NULL and 0 as
appropriate.

There seems to be only one reason for
T_PE to do this, and that is that the
PrintParse() routine in tclTest.c assumes
these fields have valid values and prints
them, so T_PE's initialization of them
avoids disaster.  If tclTest.c took care
of its own init needs, then T_PE could be
modified to match its docs.


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>Comment By: Don Porter (dgp)
Date: 2004-03-08 11:42

Message:
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fixed for 8.5

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