changeset e4f63f1d502d in /z/repo/gem5
details: http://repo.gem5.org/gem5?cmd=changeset;node=e4f63f1d502d
description:
base: Add a warn_if macro
Add a warn if macro that is analogous to the panic_if and fatal_if.
diffstat:
src/base/misc.hh | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diffs (24 lines):
diff -r 7c972b9aea16 -r e4f63f1d502d src/base/misc.hh
--- a/src/base/misc.hh Sun Jun 21 20:48:33 2015 +0100
+++ b/src/base/misc.hh Sun Jun 21 20:52:13 2015 +0100
@@ -219,6 +219,20 @@
cond_message_once(want_hack, std::cerr, "hack", hack_verbose, __VA_ARGS__)
/**
+ * Conditional warning macro that checks the supplied condition and
+ * only prints a warning if the condition is true. Useful to replace
+ * if + warn.
+ *
+ * @param cond Condition that is checked; if true -> warn
+ * @param ... Printf-based format string with arguments, extends printout.
+ */
+#define warn_if(cond, ...) \
+ do { \
+ if ((cond)) \
+ warn(__VA_ARGS__); \
+ } while (0)
+
+/**
* The chatty assert macro will function like a normal assert, but will allow
the
* specification of additional, helpful material to aid debugging why the
* assertion actually failed. Like the normal assertion, the chatty_assert
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