Add compile-time feature to log URID mapping.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@5458 a436a847-0d15-0410-975c-d299462d15a1

2 files changed, 14 insertions, 2 deletions

diff --git a/src/URIMap.cpp b/src/URIMap.cpp
index b5fe8712..d770a493 100644
--- a/src/URIMap.cpp
+++ b/src/URIMap.cpp
@@ -89,13 +89,21 @@ URIMap::URIDUnmapFeature::unmap(LV2_URID urid)
 uint32_t
 URIMap::map_uri(const char* uri)
 {
-	return _urid_map_feature->map(uri);
+	const uint32_t urid = _urid_map_feature->map(uri);
+#ifdef INGEN_DEBUG_URIDS
+	fprintf(stderr, "Map URI %3u <= %s\n", urid, uri);
+#endif
+	return urid;
 }
 
 const char*
 URIMap::unmap_uri(uint32_t urid) const
 {
-	return _urid_unmap_feature->unmap(urid);
+	const char* uri = _urid_unmap_feature->unmap(urid);
+#ifdef INGEN_DEBUG_URIDS
+	fprintf(stderr, "Unmap URI %3u => %s\n", urid, uri);
+#endif
+	return uri;
 }
 
 } // namespace Ingen
diff --git a/wscript b/wscript
index 6988a478..82650d55 100644
--- a/wscript
+++ b/wscript
@@ -32,6 +32,8 @@ def options(opt):
                    help='Do not build Socket interface')
     opt.add_option('--test', action='store_true', dest='build_tests',
                    help='Build unit tests')
+    opt.add_option('--debug-urids', action='store_true', dest='debug_urids',
+                   help='Print a trace of URI mapping')
 
 def configure(conf):
     conf.load('compiler_cxx')
@@ -86,6 +88,8 @@ def configure(conf):
                       mandatory=False)
     if not Options.options.no_jack_session:
         autowaf.define(conf, 'INGEN_JACK_SESSION', 1)
+    if Options.options.debug_urids:
+        autowaf.define(conf, 'INGEN_DEBUG_URIDS', 1)
 
     conf.check(function_name='jack_set_property',
                header_name='jack/metadata.h',