1 files changed, 12 insertions, 0 deletions
diff --git a/src/common.hff b/src/common.hff
new file mode 100644
index 0000000..71e3be0
--- /dev/null
+++ b/src/common.hff
@@ -0,0 +1,12 @@
+import "libc.hff";
+
+defmacro assert {
+(ex,s) [ (do
+   if not (ex) {
+      fprintf(stderr, "%s:%d: assertion failed: ", #FILE, #LINE);
+      fprintf(stderr, "`%s'", (s));
+      fprintf(stderr, "\n");
+      abort();
+   }
+) ]
+}