add rewriter and seq simplifiers

src/ast/simplifiers/seq_simplifier.h

@@ -0,0 +1,72 @@
+/*++
+Copyright (c) 2022 Microsoft Corporation
+
+Module Name:
+
+    seq_simplifier.h
+
+Abstract:
+
+    create a simplifier from a sequence of simplifiers
+
+Author:
+
+    Nikolaj Bjorner (nbjorner) 2022-11-24
+
+--*/
+
+#pragma once
+
+#include "ast/simplifiers/dependent_expr_state.h"
+
+
+class seq_simplifier : public dependent_expr_simplifier {
+    scoped_ptr_vector<dependent_expr_simplifier> m_simplifiers;
+
+public:
+    seq_simplifier(ast_manager& m, params_ref const& p, dependent_expr_state& fmls):
+        dependent_expr_simplifier(m, fmls) {
+    }
+    
+    void add_simplifier(dependent_expr_simplifier* s) {
+        m_simplifiers.push_back(s);
+    }
+        
+    void reduce() override {
+        for (auto* s : m_simplifiers) {
+            if (m_fmls.inconsistent())
+                break;
+            s->reduce();
+        }
+    }
+    
+    void collect_statistics(statistics& st) const override {
+        for (auto* s : m_simplifiers)
+            s->collect_statistics(st);
+    }
+    
+    void reset_statistics() override {
+        for (auto* s : m_simplifiers)
+            s->reset_statistics(st);
+    }
+    
+    void updt_params(params_ref const& p) override {
+        for (auto* s : m_simplifiers)
+            s->updt_params(p);        
+    }
+    
+    void collect_param_descrs(param_descrs& r) override {
+        for (auto* s : m_simplifiers)
+            s->collect_param_descrs(r);
+    }
+    
+    void push() override {
+        for (auto* s : m_simplifiers)
+            s->push();       
+    }
+    
+    void pop(unsigned n) override {
+        for (auto* s : m_simplifiers)
+            s->pop(n);     
+    }
+};