Delete hashsmt example. (#6263)

This example does not serve the purpose of documenting how to use the
new API. It uses Command, which is not available via the API, and it's
not worth the effort to migrate it.

1 files changed, 0 insertions, 174 deletions

diff --git a/examples/hashsmt/word.cpp b/examples/hashsmt/word.cpp
deleted file mode 100644
index 79b868d1c..000000000
--- a/examples/hashsmt/word.cpp
+++ /dev/null
@@ -1,174 +0,0 @@
-/*********************                                                        */
-/*! \file word.cpp
- ** \verbatim
- ** Top contributors (to current version):
- **   Dejan Jovanovic, Tim King, Morgan Deters
- ** This file is part of the CVC4 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.\endverbatim
- **
- ** \brief [[ Add one-line brief description here ]]
- **
- ** [[ Add lengthier description here ]]
- ** \todo document this file
- **/
-
-/*
- * word.cpp
- *
- *  Created on: Jul 13, 2012
- *      Author: dejan
- */
-
-#include "word.h"
-
-#include <vector>
-
-#include <cvc4/cvc4.h>
-#include <cvc4/expr/expr_iomanip.h>
-#include <cvc4/options/language.h>
-#include <cvc4/options/options.h>
-
-using namespace std;
-using namespace hashsmt;
-using namespace cvc5;
-using namespace cvc5::options;
-
-Expr Word::extendToSize(unsigned newSize) const {
-  if (newSize <= size()) {
-    return d_expr;
-  } else {
-    // 0-extend to size
-    Expr extendOp = em()->mkConst(BitVectorZeroExtend(newSize - size()));
-    return em()->mkExpr(extendOp, d_expr);
-  }
-}
-
-ExprManager* Word::s_manager = 0;
-
-ExprManager* Word::em() {
-  if (s_manager == 0) {
-    cvc5::Options options;
-    options.setInputLanguage(language::input::LANG_SMTLIB_V2);
-    options.setOutputLanguage(language::output::LANG_SMTLIB_V2);
-    s_manager = new cvc5::ExprManager(options);
-  }
-  return s_manager;
-}
-
-Expr Word::operator == (const Word& b) const {
-  return em()->mkExpr(kind::EQUAL, d_expr, b.getExpr());
-}
-
-Word Word::concat(const Word words[], unsigned size) {
-  Expr concat = words[0].d_expr;
-  for(unsigned i = 1; i < size; ++i) {
-      concat = em()->mkExpr(kind::BITVECTOR_CONCAT, concat, words[i].d_expr);
-  }
-  return Word(concat);
-}
-
-void Word::print(ostream& out) const {
-  out << cvc5::expr::ExprSetDepth(-1) << d_expr;
-}
-
-Word::Word(unsigned newSize, unsigned value) {
-  d_expr = em()->mkConst(BitVector(newSize, value));
-};
-
-Word::Word(unsigned newSize, string name) {
-  d_expr = em()->mkVar(name, em()->mkBitVectorType(newSize));
-};
-
-Word& Word::operator = (const Word& b) {
-  d_expr = b.d_expr;
-  return *this;
-}
-
-Word Word::operator + (const Word& b) const {
-  unsigned newSize = std::max(size(), b.size());
-  Expr lhs = extendToSize(newSize);
-  Expr rhs = b.extendToSize(newSize);
-  return em()->mkExpr(kind::BITVECTOR_PLUS, lhs, rhs);
-}
-
-Word& Word::operator += (const Word& b) {
-  (*this) = (*this) + b;
-  return (*this);
-}
-
-Word Word::operator ~ () const {
-  return em()->mkExpr(kind::BITVECTOR_NOT, d_expr);
-}
-
-Word Word::operator & (const Word& b) const {
-  unsigned newSize = std::max(size(), b.size());
-  Expr lhs = extendToSize(newSize);
-  Expr rhs = b.extendToSize(newSize);
-  return em()->mkExpr(kind::BITVECTOR_AND, lhs, rhs);
-}
-
-Word Word::operator | (const Word& b) const {
-  unsigned newSize = std::max(size(), b.size());
-  Expr lhs = extendToSize(newSize);
-  Expr rhs = b.extendToSize(newSize);
-  return em()->mkExpr(kind::BITVECTOR_OR, lhs, rhs);
-}
-
-Word& Word::operator |= (const Word& b) {
-  (*this) = (*this) | b;
-  return (*this);
-}
-
-Word Word::operator ^ (const Word& b) const {
-  unsigned newSize = std::max(size(), b.size());
-  Expr lhs = extendToSize(newSize);
-  Expr rhs = b.extendToSize(newSize);
-  return em()->mkExpr(kind::BITVECTOR_XOR, lhs, rhs);
-}
-
-Word Word::operator << (unsigned amount) const {
-  // Instead of shifting we just add zeroes, to ensure that ((char)x << 24) return 32 bits
-  Word padding(amount, 0);
-  return em()->mkExpr(kind::BITVECTOR_CONCAT, d_expr, padding.d_expr);
-}
-
-Word Word::operator >> (unsigned amount) const {
-  Word shiftAmount(size(), amount);
-  return em()->mkExpr(kind::BITVECTOR_LSHR, d_expr, shiftAmount.d_expr);
-}
-
-unsigned Word::size() const {
-  BitVectorType type = d_expr.getType();
-  return type.getSize();
-}
-
-cvc4_uint32::cvc4_uint32(const Word& b) {
-  if (b.size() > 32) {
-    // Extract the first 32 bits
-    Expr extractOp = em()->mkConst(BitVectorExtract(31, 0));
-    d_expr = em()->mkExpr(extractOp, b.getExpr());
-  } else if (b.size() < 32) {
-    // 0-extend to 32 bits
-    Expr extendOp = em()->mkConst(BitVectorZeroExtend(32 - b.size()));
-    d_expr = em()->mkExpr(extendOp, b.getExpr());    
-  } else {
-    d_expr = b.getExpr();
-  }
-}
-
-cvc4_uchar8::cvc4_uchar8(const Word& b) {
-  if (b.size() > 8) {
-    // Extract the first 8 bits
-    Expr extractOp = em()->mkConst(BitVectorExtract(7, 0));
-    d_expr = em()->mkExpr(extractOp, b.getExpr());
-  } else if (b.size() < 8) {
-    // 0-extend to 8 bits
-    Expr extendOp = em()->mkConst(BitVectorZeroExtend(8 - b.size()));
-    d_expr = em()->mkExpr(extendOp, b.getExpr());    
-  } else {
-    d_expr = b.getExpr();
-  }
-}