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/******************************************************************************
* Top contributors (to current version):
* Diego Della Rocca de Camargos
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 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.
* ****************************************************************************
*
* The module for printing dot proofs.
*/
#include "cvc5_private.h"
#ifndef CVC5__PROOF__DOT__DOT_PRINTER_H
#define CVC5__PROOF__DOT__DOT_PRINTER_H
#include <iostream>
#include "expr/proof_node.h"
namespace cvc5 {
namespace proof {
class DotPrinter
{
public:
DotPrinter();
~DotPrinter() {}
/**
* Print the full proof of assertions => false by pn using the dot format.
* @param out the output stream
* @param pn the root node of the proof to print
*/
static void print(std::ostream& out, const ProofNode* pn);
private:
/**
* Print the nodes of the proof in the format:
* $NODE_ID [ label = "{$CONCLUSION|$RULE_NAME($RULE_ARGUMENTS)}",
* $COLORS_AND_CLASSES_RELATED_TO_THE_RULE ]; and then for each child of the
* node $CHILD_ID -> $NODE_ID; and then recursively calls the function with
* the child as argument.
* @param out the output stream
* @param pn the proof node to print
* @param ruleID the id of the rule to print
* @param scopeCounter counter of how many SCOPE were already depth-first
* traversed in the proof up to this point
* @param inPropositionalView flag used to mark the proof node being traversed
* was generated by the SAT solver and thus belong to the propositional view
*/
static void printInternal(std::ostream& out,
const ProofNode* pn,
uint64_t& ruleID,
uint64_t scopeCounter,
bool inPropositionalView);
/**
* Return the arguments of a ProofNode
* @param currentArguments an ostringstream that will store the arguments of
* pn formatted as "$ARG[0], $ARG[1], ..., $ARG[N-1]"
* @param pn a ProofNode
*/
static void ruleArguments(std::ostringstream& currentArguments,
const ProofNode* pn);
/** Add an escape character before special characters of the given string.
* @param s The string to have the characters processed.
* @return The string with the special characters escaped.
*/
static std::string sanitizeString(const std::string& s);
};
} // namespace proof
} // namespace cvc5
#endif
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