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-rw-r--r--libguile/whippet/src/assert.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/libguile/whippet/src/assert.h b/libguile/whippet/src/assert.h
new file mode 100644
index 000000000..0c6db2f89
--- /dev/null
+++ b/libguile/whippet/src/assert.h
@@ -0,0 +1,16 @@
+#ifndef ASSERT_H
+#define ASSERT_H
+
+#define STATIC_ASSERT_EQ(a, b) _Static_assert((a) == (b), "eq")
+
+#define UNLIKELY(e) __builtin_expect(e, 0)
+#define LIKELY(e) __builtin_expect(e, 1)
+
+#ifndef NDEBUG
+#define ASSERT(x) do { if (UNLIKELY(!(x))) __builtin_trap(); } while (0)
+#else
+#define ASSERT(x) do { } while (0)
+#endif
+#define ASSERT_EQ(a,b) ASSERT((a) == (b))
+
+#endif // ASSERT_H