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authorRob Landley <rob@landley.net>2005-06-07 02:43:52 +0000
committerRob Landley <rob@landley.net>2005-06-07 02:43:52 +0000
commited830e8693941b8e54869ef4e68353ca2d71224e (patch)
tree33bdff8ca5390fb4be5ff64815b170d151f19517 /editors
parentf3133c414989a1409d79db43a426f122dc06cbed (diff)
downloadbusybox-ed830e8693941b8e54869ef4e68353ca2d71224e.tar.gz
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).
Diffstat (limited to 'editors')
-rw-r--r--editors/awk.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/editors/awk.c b/editors/awk.c
index c1cb2a2e2..ed8b0f20f 100644
--- a/editors/awk.c
+++ b/editors/awk.c
@@ -1084,7 +1084,7 @@ static node *parse_expr(unsigned long iexp) {
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 @@ static node *parse_expr(unsigned long iexp) {
cn->info |= xS;
cn->r.n = parse_expr(TC_ARRTERM);
}
- xtc = TC_UOPPOST | TC_UOPPRE | TC_BINOP | TC_OPERAND | iexp;
break;
case TC_NUMBER: