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50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
// $Id$
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//
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// Copyright (C) 2001-2013 Greg Landrum, Randal M. Henne, and Rational Discovery
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// LLC
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//
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// @@ All Rights Reserved @@
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// This file is part of the RDKit.
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// The contents are covered by the terms of the BSD license
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// which is included in the file license.txt, found at the root
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// of the RDKit source tree.
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//
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#include "Invariant.h"
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#include <string>
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#include <iostream>
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#include <boost/lexical_cast.hpp>
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#ifdef SHOW_BACKTRACES_WITH_INVARIANT_ERRORS // note: works only with
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// gcc-derived compilers
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#include <execinfo.h>
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#endif
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namespace Invar {
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std::ostream &operator<<(std::ostream &s, const Invariant &inv) {
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return s << inv.toString().c_str();
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}
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std::string Invariant::toString() const {
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std::string line = boost::lexical_cast<std::string>(this->getLine());
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std::string stringRep = this->prefix_d + "\n" + this->getMessage() +
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"\nViolation occurred on line " + line + " in file " +
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this->getFile() + "\nFailed Expression: " +
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this->getExpression() + "\n";
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#ifdef SHOW_BACKTRACES_WITH_INVARIANT_ERRORS
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void *arr[10];
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size_t sz;
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sz = backtrace(arr, 10);
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std::cerr << " STACK TRACE\n--------------\n" << std::endl;
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backtrace_symbols_fd(arr, sz, 2);
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std::cerr << "\n--------------\n" << std::endl;
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#endif
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return stringRep;
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}
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};
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