Add optional debugging for calls to ValueNode_*::operator(). export SYNFIG_DEBUG_VAL...

[synfig.git] / synfig-core / trunk / src / synfig / valuenode_const.cpp

diff --git a/synfig-core/trunk/src/synfig/valuenode_const.cpp b/synfig-core/trunk/src/synfig/valuenode_const.cpp
index a34d891..dcf3d41 100644 (file)
--- a/synfig-core/trunk/src/synfig/valuenode_const.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_const.cpp
@@ -87,6 +87,9 @@ ValueNode_Const::~ValueNode_Const()
 ValueBase
 ValueNode_Const::operator()(Time /*t*/)const
 {
+       if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
+               printf("%s:%d operator()\n", __FILE__, __LINE__);
+
        return value;
 }