[BusyBox-cvs] svn commit: trunk/busybox/editors
landley at busybox.net
landley at busybox.net
Tue Jun 7 02:43:53 UTC 2005
Author: landley
Date: 2005-06-06 20:43:52 -0600 (Mon, 06 Jun 2005)
New Revision: 10478
Log:
Patch from Dmitry Zakharov:
Charlie Brady wrote:
> Here's another awk parsing problem - unary post increment - pre is fine:
>
>bash-2.05a$ echo 2,3 | gawk -F , '{ $2++ }'
>bash-2.05a$ echo 2,3 | /tmp/busybox/busybox awk -F , '{ $2++ }'
>awk: cmd. line:1: Unexpected token
>
Here's a fix for this. There is another problem with constructions like
"print (A+B) ++C", I don't
know whether somebody uses such constructions (fixing both these
problems would require very
serious change in awk code).
Modified:
trunk/busybox/editors/awk.c
Changeset:
Modified: trunk/busybox/editors/awk.c
===================================================================
--- trunk/busybox/editors/awk.c 2005-06-07 02:40:39 UTC (rev 10477)
+++ trunk/busybox/editors/awk.c 2005-06-07 02:43:52 UTC (rev 10478)
@@ -1084,7 +1084,7 @@
cn->a.n = vn;
xtc = TC_OPERAND | TC_UOPPRE | TC_REGEXP;
if (tc & (TC_OPERAND | TC_REGEXP)) {
- xtc = TC_UOPPRE | TC_BINOP | TC_OPERAND | iexp;
+ xtc = TC_UOPPRE | TC_UOPPOST | TC_BINOP | TC_OPERAND | iexp;
/* one should be very careful with switch on tclass -
* only simple tclasses should be used! */
switch (tc) {
@@ -1101,7 +1101,6 @@
cn->info |= xS;
cn->r.n = parse_expr(TC_ARRTERM);
}
- xtc = TC_UOPPOST | TC_UOPPRE | TC_BINOP | TC_OPERAND | iexp;
break;
case TC_NUMBER:
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