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PR/39501: David Holland: Don't print the remainder of the line in the error

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context because it can confuse input parsing in warnings. A full explanation
is in the code.
This commit is contained in:
christos 2008-09-09 21:47:34 +00:00
parent 70a12d51ab
commit 8c8950af64
1 changed files with 15 additions and 2 deletions
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17
dist/nawk/lib.c vendored
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@ -615,7 +615,6 @@ void error()
void eprint(void) /* try to print context around error */
{
char *p, *q;
int c;
static int been_here = 0;
extern char ebuf[], *ep;
@ -639,11 +638,25 @@ void eprint(void) /* try to print context around error */
if (*p)
putc(*p, stderr);
fprintf(stderr, " <<< ");
if (*ep)
#if 0
/*
* The following code was used to print the rest of the line of
* error context. It naively counts brackets, parens and braces in
* order to minimize the parsing effect of dropping the rest of the
* line but it does not work in all the cases. It is too much work
* to save the current program input point and restore it in all the
* cases just for the benefit of error printing so for now this
* code is disabled. In particular this code is confused if the
* [ { ( ) } ] is inside a quoted string or a pattern.
*/
if (*ep) {
int c;
while ((c = input()) != '\n' && c != '\0' && c != EOF) {
putc(c, stderr);
bclass(c);
}
}
#endif
putc('\n', stderr);
ep = ebuf;
}