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With '!' being made into a keyword (yech!), case cases didn't work properly.

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This should fix it (passed my test cases).  Originally discovered with
perl's Configure (well, in FreeBSD, I don't know how the NetBSD folks
discovered it).

Reviewed by:	sef
Submitted by:	jtc@cygnus.com
Obtained from:	NetBSD
This commit is contained in:
Sean Eric Fagan 1994-09-14 17:41:32 +00:00
parent e967aefa34
commit 650488feaa
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=2760
1 changed files with 13 additions and 11 deletions
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24
bin/sh/parser.c
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@ -392,7 +392,8 @@ TRACE(("expecting DO got %s %s\n", tokname[got], got == TWORD ? wordtext : ""));
if (lasttoken != TWORD || ! equal(wordtext, "in"))
synerror("expecting \"in\"");
cpp = &n1->ncase.cases;
while (checkkwd = 2, readtoken() == TWORD) {
checkkwd = 2, readtoken();
do {
*cpp = cp = (union node *)stalloc(sizeof (struct nclist));
cp->type = NCLIST;
app = &cp->nclist.pattern;
@ -401,25 +402,26 @@ TRACE(("expecting DO got %s %s\n", tokname[got], got == TWORD ? wordtext : ""));
ap->type = NARG;
ap->narg.text = wordtext;
ap->narg.backquote = backquotelist;
if (readtoken() != TPIPE)
if (checkkwd = 2, readtoken() != TPIPE)
break;
app = &ap->narg.next;
if (readtoken() != TWORD)
synexpect(TWORD);
readtoken();
}
ap->narg.next = NULL;
if (lasttoken != TRP)
synexpect(TRP);
cp->nclist.body = list(0);
if ((t = readtoken()) == TESAC)
tokpushback++;
else if (t != TENDCASE)
synexpect(TENDCASE);
checkkwd = 2;
if ((t = readtoken()) != TESAC) {
if (t != TENDCASE)
synexpect(TENDCASE);
else
checkkwd = 2, readtoken();
}
cpp = &cp->nclist.next;
}
} while(lasttoken != TESAC);
*cpp = NULL;
if (lasttoken != TESAC)
synexpect(TESAC);
checkkwd = 1;
break;
case TLP: