ematching skeleton

src/ast/euf/euf_ematch.cpp

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+/*++
+Copyright (c) 2023 Microsoft Corporation
+
+Module Name:
+
+    euf_match.cpp
+
+Abstract:
+
+    basic E-matching algorithm with SO support.
+    
+Author:
+
+    Nikolaj Bjorner (nbjorner) 2025-6-16
+
+--*/
+
+#include "ast/euf/euf_ematch.h"
+
+namespace euf {
+
+
+    void ematch::operator()(expr* pat, enode* t, enode** binding) {
+    }
+
+}

src/ast/euf/euf_ematch.h

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+/*++
+Copyright (c) 2023 Microsoft Corporation
+
+Module Name:
+
+    euf_ematch.h
+
+Abstract:
+
+    basic E-matching algorithm with SO support.
+    
+Author:
+
+    Nikolaj Bjorner (nbjorner) 2025-6-16
+
+--*/
+
+#pragma once
+
+#include "ast/euf/euf_egraph.h"
+
+namespace euf {
+
+    class ematch {
+    protected:
+        egraph& g;
+        std::ostream& display(std::ostream& out) const { return out; }
+        std::function<void(void)> m_on_match;
+    public:
+        ematch(egraph& g):
+            g(g)
+        {}
+
+        void operator()(expr* pat, enode* t, enode** binding) {}        
+            
+    };
+}