TensorFlow: Initial commit of TensorFlow library.

TensorFlow is an open source software library for numerical computation
using data flow graphs.

Base CL: 107276108

1 files changed, 29 insertions, 0 deletions

diff --git a/tensorflow/core/framework/graph_def_util.h b/tensorflow/core/framework/graph_def_util.h
new file mode 100644
index 0000000000..7a2ec9c7a7
--- /dev/null
+++ b/tensorflow/core/framework/graph_def_util.h
@@ -0,0 +1,29 @@
+#ifndef TENSORFLOW_FRAMEWORK_GRAPH_DEF_UTIL_H_
+#define TENSORFLOW_FRAMEWORK_GRAPH_DEF_UTIL_H_
+
+#include "tensorflow/core/framework/graph.pb.h"
+#include "tensorflow/core/public/status.h"
+
+namespace tensorflow {
+
+// Produce a human-readable version of a GraphDef that is more concise
+// than a text-format proto.
+string SummarizeGraphDef(const GraphDef& graph_def);
+
+// Validates the syntax of a GraphDef provided externally.
+//
+// The following is an EBNF-style syntax for GraphDef objects. Note that
+// Node objects are actually specified as tensorflow::NodeDef protocol buffers,
+// which contain many other fields that are not (currently) validated.
+//
+// Graph        = Node *
+// Node         = NodeName, Inputs
+// Inputs       = ( DataInput * ), ( ControlInput * )
+// DataInput    = NodeName, ( ":", [1-9], [0-9] * ) ?
+// ControlInput = "^", NodeName
+// NodeName     = [A-Za-z0-9.], [A-Za-z0-9_./] *
+Status ValidateExternalGraphDefSyntax(const GraphDef& graph_def);
+
+}  // namespace tensorflow
+
+#endif  // TENSORFLOW_FRAMEWORK_GRAPH_DEF_UTIL_H_