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

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

diff --git a/synfig-core/trunk/src/synfig/valuenode_add.cpp b/synfig-core/trunk/src/synfig/valuenode_add.cpp
index 7cd4ee9..c67d74e 100644 (file)
--- a/synfig-core/trunk/src/synfig/valuenode_add.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_add.cpp
@@ -119,6 +119,9 @@ synfig::ValueNode_Add::~ValueNode_Add()
 synfig::ValueBase
 synfig::ValueNode_Add::operator()(Time t)const
 {
+       if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
+               printf("%s:%d operator()\n", __FILE__, __LINE__);
+
        if(!ref_a || !ref_b)
                throw runtime_error(strprintf("ValueNode_Add: %s",_("One or both of my parameters aren't set!")));
        switch(get_type())