1 files changed, 54 insertions, 0 deletions
diff --git a/jam-files/engine/debug.h b/jam-files/engine/debug.h
new file mode 100644
index 00000000..115a8873
--- /dev/null
+++ b/jam-files/engine/debug.h
@@ -0,0 +1,54 @@
+/*
+    Copyright Rene Rivera 2005.
+    Distributed under the Boost Software License, Version 1.0.
+    (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
+*/
+#ifndef BJAM_DEBUG_H
+#define BJAM_DEBUG_H
+
+#include "jam.h"
+#include <time.h>
+
+
+struct profile_info
+{
+    /* name of rule being called */
+    char* name;
+    /* cumulative time spent in rule */
+    clock_t cumulative;
+    /* time spent in rule proper */
+    clock_t net;
+    /* number of time rule was entered */
+    unsigned long num_entries;
+    /* number of the times this function is present in stack */
+    unsigned long stack_count;
+    /* bytes of memory allocated by the call */
+    unsigned long memory;
+};
+typedef struct profile_info profile_info;
+
+struct profile_frame
+{
+    /* permanent storage where data accumulates */
+    profile_info* info;
+    /* overhead for profiling in this call */
+    clock_t overhead;
+    /* time of last entry to rule */
+    clock_t entry_time;
+    /* stack frame of caller */
+    struct profile_frame* caller;
+    /* time spent in subrules */
+    clock_t subrules;
+};
+typedef struct profile_frame profile_frame;
+
+profile_frame * profile_init( char * rulename, profile_frame * frame );
+void profile_enter( char* rulename, profile_frame * frame );
+void profile_memory( long mem );
+void profile_exit( profile_frame * frame );
+void profile_dump();
+
+#define PROFILE_ENTER( scope ) profile_frame PROF_ ## scope, *PROF_ ## scope ## _p = profile_init( #scope, &PROF_ ## scope )
+#define PROFILE_EXIT( scope ) profile_exit( PROF_ ## scope ## _p )
+
+#endif