1 files changed, 92 insertions, 0 deletions
diff --git a/include/clang/EntoSA/PathSensitive/TransferFuncs.h b/include/clang/EntoSA/PathSensitive/TransferFuncs.h
new file mode 100644
index 0000000000..ac5b4a6d17
--- /dev/null
+++ b/include/clang/EntoSA/PathSensitive/TransferFuncs.h
@@ -0,0 +1,92 @@
+//== TransferFuncs.h - Path-Sens. Transfer Functions Interface ---*- C++ -*--=//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file defines TransferFuncs, which provides a base-class that
+//  defines an interface for transfer functions used by ExprEngine.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_GR_TRANSFERFUNCS
+#define LLVM_CLANG_GR_TRANSFERFUNCS
+
+#include "clang/EntoSA/PathSensitive/GRState.h"
+#include "clang/EntoSA/PathSensitive/SVals.h"
+#include <vector>
+
+namespace clang {
+class ObjCMessageExpr;
+
+namespace ento {
+class ExplodedNode;
+class ExplodedNodeSet;
+class EndPathNodeBuilder;
+class ExprEngine;
+class StmtNodeBuilder;
+class StmtNodeBuilderRef;
+
+class TransferFuncs {
+public:
+  TransferFuncs() {}
+  virtual ~TransferFuncs() {}
+
+  virtual void RegisterPrinters(std::vector<GRState::Printer*>& Printers) {}
+  virtual void RegisterChecks(ExprEngine& Eng) {}
+
+
+  // Calls.
+
+  virtual void evalCall(ExplodedNodeSet& Dst,
+                        ExprEngine& Engine,
+                        StmtNodeBuilder& Builder,
+                        const CallExpr* CE, SVal L,
+                        ExplodedNode* Pred) {}
+
+  virtual void evalObjCMessageExpr(ExplodedNodeSet& Dst,
+                                   ExprEngine& Engine,
+                                   StmtNodeBuilder& Builder,
+                                   const ObjCMessageExpr* ME,
+                                   ExplodedNode* Pred,
+                                   const GRState *state) {}
+
+  // Stores.
+
+  virtual void evalBind(StmtNodeBuilderRef& B, SVal location, SVal val) {}
+
+  // End-of-path and dead symbol notification.
+
+  virtual void evalEndPath(ExprEngine& Engine,
+                           EndPathNodeBuilder& Builder) {}
+
+
+  virtual void evalDeadSymbols(ExplodedNodeSet& Dst,
+                               ExprEngine& Engine,
+                               StmtNodeBuilder& Builder,
+                               ExplodedNode* Pred,
+                               const GRState* state,
+                               SymbolReaper& SymReaper) {}
+
+  // Return statements.
+  virtual void evalReturn(ExplodedNodeSet& Dst,
+                          ExprEngine& Engine,
+                          StmtNodeBuilder& Builder,
+                          const ReturnStmt* S,
+                          ExplodedNode* Pred) {}
+
+  // Assumptions.
+  virtual const GRState* evalAssume(const GRState *state,
+                                    SVal Cond, bool Assumption) {
+    return state;
+  }  
+};
+
+} // end GR namespace
+
+} // end clang namespace
+
+#endif