error: Track locations in configuration files
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:)
diff --git a/qemu-error.c b/qemu-error.c
index 214e448..23176e1 100644
--- a/qemu-error.c
+++ b/qemu-error.c
@@ -113,6 +113,19 @@
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 @@
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);
}