Refactor ApplySubsts preprocessing pass. (#2120)

1 files changed, 49 insertions, 0 deletions

diff --git a/src/preprocessing/passes/apply_substs.h b/src/preprocessing/passes/apply_substs.h
new file mode 100644
index 000000000..f2f77fd0e
--- /dev/null
+++ b/src/preprocessing/passes/apply_substs.h
@@ -0,0 +1,49 @@
+/*********************                                                        */
+/*! \file apply_substs.h
+ ** \verbatim
+ ** Top contributors (to current version):
+ **   Aina Niemetz
+ ** This file is part of the CVC4 project.
+ ** Copyright (c) 2009-2018 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 Apply substitutions preprocessing pass.
+ **
+ ** Apply top level substitutions to assertions, rewrite, and store back into
+ ** assertions.
+ **/
+
+#include "cvc4_private.h"
+
+#ifndef __CVC4__PREPROCESSING__PASSES__APPLY_SUBSTS_H
+#define __CVC4__PREPROCESSING__PASSES__APPLY_SUBSTS_H
+
+#include "preprocessing/preprocessing_pass.h"
+#include "preprocessing/preprocessing_pass_context.h"
+
+namespace CVC4 {
+namespace preprocessing {
+namespace passes {
+
+class ApplySubsts : public PreprocessingPass
+{
+ public:
+  ApplySubsts(PreprocessingPassContext* preprocContext);
+
+ protected:
+  /**
+   * Apply assertionsToPreprocess->getTopLevelSubstitutions() to the
+   * assertions, in assertionsToPreprocess, rewrite, and store back into
+   * given assertion pipeline.
+   */
+  PreprocessingPassResult applyInternal(
+      AssertionPipeline* assertionsToPreprocess) override;
+};
+
+}  // namespace passes
+}  // namespace preprocessing
+}  // namespace CVC4
+
+#endif