Split infer info data structure in strings (#3107)

1 files changed, 44 insertions, 0 deletions

diff --git a/src/theory/strings/infer_info.cpp b/src/theory/strings/infer_info.cpp
new file mode 100644
index 000000000..a20f608a6
--- /dev/null
+++ b/src/theory/strings/infer_info.cpp
@@ -0,0 +1,44 @@
+/*********************                                                        */
+/*! \file infer_info.cpp
+ ** \verbatim
+ ** Top contributors (to current version):
+ **   Andrew Reynolds
+ ** This file is part of the CVC4 project.
+ ** Copyright (c) 2009-2019 by the authors listed in the file AUTHORS
+ ** in the top-level source directory) and their institutional affiliations.
+ ** All rights reserved.  See the file COPYING in the top-level source
+ ** directory for licensing information.\endverbatim
+ **
+ ** \brief Implementation of inference information utility.
+ **/
+
+#include "theory/strings/infer_info.h"
+
+using namespace CVC4::kind;
+
+namespace CVC4 {
+namespace theory {
+namespace strings {
+
+std::ostream& operator<<(std::ostream& out, Inference i)
+{
+  switch (i)
+  {
+    case INFER_SSPLIT_CST_PROP: out << "S-Split(CST-P)-prop"; break;
+    case INFER_SSPLIT_VAR_PROP: out << "S-Split(VAR)-prop"; break;
+    case INFER_LEN_SPLIT: out << "Len-Split(Len)"; break;
+    case INFER_LEN_SPLIT_EMP: out << "Len-Split(Emp)"; break;
+    case INFER_SSPLIT_CST_BINARY: out << "S-Split(CST-P)-binary"; break;
+    case INFER_SSPLIT_CST: out << "S-Split(CST-P)"; break;
+    case INFER_SSPLIT_VAR: out << "S-Split(VAR)"; break;
+    case INFER_FLOOP: out << "F-Loop"; break;
+    default: out << "?"; break;
+  }
+  return out;
+}
+
+InferInfo::InferInfo() : d_id(INFER_NONE), d_index(0), d_rev(false) {}
+
+}  // namespace strings
+}  // namespace theory
+}  // namespace CVC4