[PATCH] D121796: [clang][dataflow] Add an API for dataflow "models" -- reusable analysis components.

[Yitzhak Mandelbaum via Phabricator via cfe-commits]

ymandel updated this revision to Diff 415926.
ymandel marked an inline comment as done.
ymandel added a comment.

adjust API in response to comments.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D121796/new/

https://reviews.llvm.org/D121796

Files:
  clang/include/clang/Analysis/FlowSensitive/DataflowAnalysis.h


Index: clang/include/clang/Analysis/FlowSensitive/DataflowAnalysis.h
===================================================================
--- clang/include/clang/Analysis/FlowSensitive/DataflowAnalysis.h
+++ clang/include/clang/Analysis/FlowSensitive/DataflowAnalysis.h
@@ -136,6 +136,15 @@
   return BlockStates;
 }
 
+/// Abstract base class for dataflow "models": reusable analysis components that
+/// model a particular aspect of program semantics in the `Environment`. For
+/// example, a model may capture a type and its related functions.
+class DataflowModel : public Environment::ValueModel {
+public:
+  /// Return value indicates whether the model processed the `Stmt`.
+  virtual bool transfer(const Stmt *Stmt, Environment &Env) = 0;
+};
+
 } // namespace dataflow
 } // namespace clang
 


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