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awk: skip whitespace between array name and subscript

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It is supported in both mawk and gawk and there are actually scripts
out there that use this "flexibility".

function                                             old     new   delta
next_token                                          1144    1152      +8
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/0 up/down: 8/0)                 Total: 8 bytes

Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Alexander Shishkin 2010-02-25 17:55:40 +02:00 committed by Denys Vlasenko
parent 2e73d84c02
commit d03cd3be24
2 changed files with 4 additions and 1 deletions
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2
editors/awk.c
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@ -1046,7 +1046,7 @@ static uint32_t next_token(uint32_t expected)
*(p-1) = '\0'; *(p-1) = '\0';
tc = TC_VARIABLE; tc = TC_VARIABLE;
/* also consume whitespace between functionname and bracket */ /* also consume whitespace between functionname and bracket */
if (!(expected & TC_VARIABLE)) if (!(expected & TC_VARIABLE) || (expected & TC_ARRAY))
skip_spaces(&p); skip_spaces(&p);
if (*p == '(') { if (*p == '(') {
tc = TC_FUNCTION; tc = TC_FUNCTION;

3
testsuite/awk.tests
View File

@ -64,4 +64,7 @@ testing "awk string cast (bug 725)" \
"0\nnumber\n" \ "0\nnumber\n" \
"" "" "" ""
testing "awk handles whitespace before array subscript" \
"awk 'BEGIN { arr [3] = 1; print arr [3] }'" "1\n" "" ""
exit $FAILCOUNT exit $FAILCOUNT