LCOV - code coverage report
Current view: top level - buildbot/coverage/build/src/expr - term_context_stack.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 1 1 100.0 %
Date: 2024-09-10 11:13:36 Functions: 1 2 50.0 %
Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /******************************************************************************
       2                 :            :  * Top contributors (to current version):
       3                 :            :  *   Andrew Reynolds, Aina Niemetz
       4                 :            :  *
       5                 :            :  * This file is part of the cvc5 project.
       6                 :            :  *
       7                 :            :  * Copyright (c) 2009-2024 by the authors listed in the file AUTHORS
       8                 :            :  * in the top-level source directory and their institutional affiliations.
       9                 :            :  * All rights reserved.  See the file COPYING in the top-level source
      10                 :            :  * directory for licensing information.
      11                 :            :  * ****************************************************************************
      12                 :            :  *
      13                 :            :  * Term context.
      14                 :            :  */
      15                 :            : 
      16                 :            : #include "cvc5_private.h"
      17                 :            : 
      18                 :            : #ifndef CVC5__EXPR__TERM_CONTEXT_STACK_H
      19                 :            : #define CVC5__EXPR__TERM_CONTEXT_STACK_H
      20                 :            : 
      21                 :            : #include "expr/term_context_node.h"
      22                 :            : 
      23                 :            : namespace cvc5::internal {
      24                 :            : 
      25                 :            : /**
      26                 :            :  * A stack for term-context-sensitive terms. Its main advantage is that
      27                 :            :  * it does not rely on explicit construction of TCtxNode for efficiency.
      28                 :            :  */
      29                 :            : class TCtxStack
      30                 :            : {
      31                 :            :  public:
      32                 :            :   TCtxStack(const TermContext* tctx);
      33                 :    1758060 :   virtual ~TCtxStack() {}
      34                 :            :   /** Push t to the stack */
      35                 :            :   void pushInitial(Node t);
      36                 :            :   /**
      37                 :            :    * Push all children of t to the stack, where tval is the term context hash
      38                 :            :    * of t. */
      39                 :            :   void pushChildren(Node t, uint32_t tval);
      40                 :            :   /**
      41                 :            :    * Push the child of t with the given index to the stack, where tval is
      42                 :            :    * the term context hash of t.
      43                 :            :    */
      44                 :            :   void pushChild(Node t, uint32_t tval, size_t index);
      45                 :            :   /**
      46                 :            :    * Push the operator of t to the stack, where tval is the term context has
      47                 :            :    * of t.
      48                 :            :    */
      49                 :            :   void pushOp(Node t, uint32_t tval);
      50                 :            :   /** Push t to the stack with term context hash tval. */
      51                 :            :   void push(Node t, uint32_t tval);
      52                 :            :   /** Pop a term from the context */
      53                 :            :   void pop();
      54                 :            :   /** Clear the stack */
      55                 :            :   void clear();
      56                 :            :   /** Return the size of the stack */
      57                 :            :   size_t size() const;
      58                 :            :   /** Return true if the stack is empty */
      59                 :            :   bool empty() const;
      60                 :            :   /** Get the current stack element */
      61                 :            :   std::pair<Node, uint32_t> getCurrent() const;
      62                 :            :   /** Get the current stack element, node version */
      63                 :            :   TCtxNode getCurrentNode() const;
      64                 :            : 
      65                 :            :  private:
      66                 :            :   /** The stack */
      67                 :            :   std::vector<std::pair<Node, uint32_t>> d_stack;
      68                 :            :   /** The term context */
      69                 :            :   const TermContext* d_tctx;
      70                 :            : };
      71                 :            : 
      72                 :            : }  // namespace cvc5::internal
      73                 :            : 
      74                 :            : #endif /* CVC5__EXPR__TERM_CONTEXT_STACK_H */

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