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error: Track locations in configuration files

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New LOC_FILE.  Use it for tracking file name and line number in
qemu_config_parse().  We now report errors like

    qemu:foo.conf:42: Did not find I2C bus for smbus-eeprom

In particular, gems like this message:

    -device: no driver specified

become almost nice now:

    qemu:foo.conf:44: -device: no driver specified

(A later commit will get rid of the bogus -device:)
This commit is contained in:
Markus Armbruster 2010-02-18 19:48:33 +01:00
parent 65abca0a34
commit cf5a65aaaf
5 changed files with 49 additions and 18 deletions
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20
qemu-error.c
View file

@ -113,6 +113,19 @@ void loc_set_none(void)
cur_loc->kind = LOC_NONE;
}
/*
* Change the current location to file FNAME, line LNO.
*/
void loc_set_file(const char *fname, int lno)
{
assert (fname || cur_loc->kind == LOC_FILE);
cur_loc->kind = LOC_FILE;
cur_loc->num = lno;
if (fname) {
cur_loc->ptr = fname;
}
}
static const char *progname;
/*
@ -136,6 +149,13 @@ void error_print_loc(void)
sep = " ";
}
switch (cur_loc->kind) {
case LOC_FILE:
error_printf("%s:", (const char *)cur_loc->ptr);
if (cur_loc->num) {
error_printf("%d:", cur_loc->num);
}
error_printf(" ");
break;
default:
error_printf(sep);
}