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

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

diff --git a/synfig-core/trunk/src/synfig/valuenode_exp.cpp b/synfig-core/trunk/src/synfig/valuenode_exp.cpp
index 266034b..05d4b63 100644 (file)
--- a/synfig-core/trunk/src/synfig/valuenode_exp.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_exp.cpp
@@ -86,6 +86,9 @@ ValueNode_Exp::~ValueNode_Exp()
 ValueBase
 ValueNode_Exp::operator()(Time t)const
 {
+       if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
+               printf("%s:%d operator()\n", __FILE__, __LINE__);
+
        return (exp((*exp_)(t).get(Real())) *
                        (*scale_)(t).get(Real()));
 }