1 files changed, 43 insertions, 0 deletions
diff --git a/goo/Trace.h b/goo/Trace.h
new file mode 100644
index 0000000..9f53ac5
--- /dev/null
+++ b/goo/Trace.h
@@ -0,0 +1,43 @@
+//========================================================================
+//
+// Trace.h
+//
+// Nested tracing.
+//
+// Copyright 2020 Glyph & Cog, LLC
+//
+//========================================================================
+
+#ifndef TRACING_H
+#define TRACING_H
+
+#include <aconf.h>
+
+#if ENABLE_TRACING
+
+// Enter a nesting level.
+extern void traceBegin(void *nestHandle, const char *fmt, ...);
+
+// Exit a nesting level.
+extern void traceEnd(void *nestHandle, const char *fmt, ...);
+
+// Mark a resource as allocated.
+extern void traceAlloc(void *resourceHandle, const char *fmt, ...);
+
+// Mark a resource as freed.
+extern void traceFree(void *resourceHandle, const char *fmt, ...);
+
+// Misc message.
+extern void traceMessage(const char *fmt, ...);
+
+#else // ENABLE_TRACING
+
+static inline void traceBegin(void *nestHandle, const char *fmt, ...) {}
+static inline void traceEnd(void *nestHandle, const char *fmt, ...) {}
+static inline void traceAlloc(void *resourceHandle, const char *fmt, ...) {}
+static inline void traceFree(void *nestHandle, const char *fmt, ...) {}
+static inline void traceMessage(const char *fmt, ...) {}
+
+#endif // ENABLE_TRACING
+
+#endif // TRACING_H