1 files changed, 63 insertions, 0 deletions
diff --git a/src/boost/tools/build/src/engine/debug.h b/src/boost/tools/build/src/engine/debug.h
new file mode 100644
index 000000000..d61faf450
--- /dev/null
+++ b/src/boost/tools/build/src/engine/debug.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2005, 2016. Rene Rivera
+ * Distributed under the Boost Software License, Version 1.0.
+ * (See accompanying file LICENSE_1_0.txt or copy at
+ * http://www.boost.org/LICENSE_1_0.txt)
+ */
+
+#ifndef BJAM_DEBUG_H
+#define BJAM_DEBUG_H
+
+#include "config.h"
+#include "constants.h"
+#include "object.h"
+
+
+typedef struct profile_info
+{
+    /* name of rule being called */
+    OBJECT * name;
+    /* cumulative time spent in rule, in seconds */
+    double cumulative;
+    /* time spent in rule proper, in seconds */
+    double 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;
+    /* memory allocated by the call, in KiB */
+    double memory;
+} profile_info;
+
+typedef struct profile_frame
+{
+    /* permanent storage where data accumulates */
+    profile_info * info;
+    /* overhead for profiling in this call */
+    double overhead;
+    /* time of last entry to rule */
+    double entry_time;
+    /* stack frame of caller */
+    struct profile_frame * caller;
+    /* time spent in subrules */
+    double subrules;
+} profile_frame;
+
+profile_frame * profile_init( OBJECT * rulename, profile_frame * );
+void profile_enter( OBJECT * rulename, profile_frame * );
+void profile_memory( long mem );
+void profile_exit( profile_frame * );
+void profile_dump();
+double profile_clock();
+
+#define PROFILE_ENTER( scope ) profile_frame PROF_ ## scope, *PROF_ ## scope ## _p = profile_init( constant_ ## scope, &PROF_ ## scope )
+#define PROFILE_EXIT( scope ) profile_exit( PROF_ ## scope ## _p )
+
+OBJECT * profile_make_local( char const * );
+#define PROFILE_ENTER_LOCAL( scope ) \
+    static OBJECT * constant_LOCAL_##scope = 0; \
+    if (DEBUG_PROFILE && !constant_LOCAL_##scope) constant_LOCAL_##scope = profile_make_local( #scope ); \
+    PROFILE_ENTER( LOCAL_##scope )
+#define PROFILE_EXIT_LOCAL( scope ) PROFILE_EXIT( LOCAL_##scope )
+
+#endif